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Commit | Line | Data |
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4b8ac966 JP |
1 | /* |
2 | * drivers/net/ethernet/rocker/rocker.c - Rocker switch device driver | |
3 | * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> | |
4 | * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/kernel.h> | |
13 | #include <linux/module.h> | |
14 | #include <linux/pci.h> | |
15 | #include <linux/interrupt.h> | |
16 | #include <linux/sched.h> | |
17 | #include <linux/wait.h> | |
18 | #include <linux/spinlock.h> | |
9f6bbf7c | 19 | #include <linux/hashtable.h> |
4b8ac966 JP |
20 | #include <linux/crc32.h> |
21 | #include <linux/sort.h> | |
22 | #include <linux/random.h> | |
23 | #include <linux/netdevice.h> | |
24 | #include <linux/inetdevice.h> | |
25 | #include <linux/skbuff.h> | |
26 | #include <linux/socket.h> | |
27 | #include <linux/etherdevice.h> | |
28 | #include <linux/ethtool.h> | |
29 | #include <linux/if_ether.h> | |
30 | #include <linux/if_vlan.h> | |
6c707945 | 31 | #include <linux/if_bridge.h> |
9f6bbf7c | 32 | #include <linux/bitops.h> |
db19170b | 33 | #include <linux/ctype.h> |
4b8ac966 JP |
34 | #include <net/switchdev.h> |
35 | #include <net/rtnetlink.h> | |
c1beeef7 SF |
36 | #include <net/ip_fib.h> |
37 | #include <net/netevent.h> | |
38 | #include <net/arp.h> | |
4b8ac966 JP |
39 | #include <asm-generic/io-64-nonatomic-lo-hi.h> |
40 | #include <generated/utsrelease.h> | |
41 | ||
42 | #include "rocker.h" | |
43 | ||
44 | static const char rocker_driver_name[] = "rocker"; | |
45 | ||
46 | static const struct pci_device_id rocker_pci_id_table[] = { | |
47 | {PCI_VDEVICE(REDHAT, PCI_DEVICE_ID_REDHAT_ROCKER), 0}, | |
48 | {0, } | |
49 | }; | |
50 | ||
9f6bbf7c SF |
51 | struct rocker_flow_tbl_key { |
52 | u32 priority; | |
53 | enum rocker_of_dpa_table_id tbl_id; | |
54 | union { | |
55 | struct { | |
4a6bb6d3 SF |
56 | u32 in_pport; |
57 | u32 in_pport_mask; | |
9f6bbf7c SF |
58 | enum rocker_of_dpa_table_id goto_tbl; |
59 | } ig_port; | |
60 | struct { | |
4a6bb6d3 | 61 | u32 in_pport; |
9f6bbf7c SF |
62 | __be16 vlan_id; |
63 | __be16 vlan_id_mask; | |
64 | enum rocker_of_dpa_table_id goto_tbl; | |
65 | bool untagged; | |
66 | __be16 new_vlan_id; | |
67 | } vlan; | |
68 | struct { | |
4a6bb6d3 SF |
69 | u32 in_pport; |
70 | u32 in_pport_mask; | |
9f6bbf7c SF |
71 | __be16 eth_type; |
72 | u8 eth_dst[ETH_ALEN]; | |
73 | u8 eth_dst_mask[ETH_ALEN]; | |
74 | __be16 vlan_id; | |
75 | __be16 vlan_id_mask; | |
76 | enum rocker_of_dpa_table_id goto_tbl; | |
77 | bool copy_to_cpu; | |
78 | } term_mac; | |
79 | struct { | |
80 | __be16 eth_type; | |
81 | __be32 dst4; | |
82 | __be32 dst4_mask; | |
83 | enum rocker_of_dpa_table_id goto_tbl; | |
84 | u32 group_id; | |
85 | } ucast_routing; | |
86 | struct { | |
87 | u8 eth_dst[ETH_ALEN]; | |
88 | u8 eth_dst_mask[ETH_ALEN]; | |
89 | int has_eth_dst; | |
90 | int has_eth_dst_mask; | |
91 | __be16 vlan_id; | |
92 | u32 tunnel_id; | |
93 | enum rocker_of_dpa_table_id goto_tbl; | |
94 | u32 group_id; | |
95 | bool copy_to_cpu; | |
96 | } bridge; | |
97 | struct { | |
4a6bb6d3 SF |
98 | u32 in_pport; |
99 | u32 in_pport_mask; | |
9f6bbf7c SF |
100 | u8 eth_src[ETH_ALEN]; |
101 | u8 eth_src_mask[ETH_ALEN]; | |
102 | u8 eth_dst[ETH_ALEN]; | |
103 | u8 eth_dst_mask[ETH_ALEN]; | |
104 | __be16 eth_type; | |
105 | __be16 vlan_id; | |
106 | __be16 vlan_id_mask; | |
107 | u8 ip_proto; | |
108 | u8 ip_proto_mask; | |
109 | u8 ip_tos; | |
110 | u8 ip_tos_mask; | |
111 | u32 group_id; | |
112 | } acl; | |
113 | }; | |
114 | }; | |
115 | ||
116 | struct rocker_flow_tbl_entry { | |
117 | struct hlist_node entry; | |
c1beeef7 | 118 | u32 cmd; |
9f6bbf7c SF |
119 | u64 cookie; |
120 | struct rocker_flow_tbl_key key; | |
c1beeef7 | 121 | size_t key_len; |
9f6bbf7c SF |
122 | u32 key_crc32; /* key */ |
123 | }; | |
124 | ||
125 | struct rocker_group_tbl_entry { | |
126 | struct hlist_node entry; | |
127 | u32 cmd; | |
128 | u32 group_id; /* key */ | |
129 | u16 group_count; | |
130 | u32 *group_ids; | |
131 | union { | |
132 | struct { | |
133 | u8 pop_vlan; | |
134 | } l2_interface; | |
135 | struct { | |
136 | u8 eth_src[ETH_ALEN]; | |
137 | u8 eth_dst[ETH_ALEN]; | |
138 | __be16 vlan_id; | |
139 | u32 group_id; | |
140 | } l2_rewrite; | |
141 | struct { | |
142 | u8 eth_src[ETH_ALEN]; | |
143 | u8 eth_dst[ETH_ALEN]; | |
144 | __be16 vlan_id; | |
145 | bool ttl_check; | |
146 | u32 group_id; | |
147 | } l3_unicast; | |
148 | }; | |
149 | }; | |
150 | ||
151 | struct rocker_fdb_tbl_entry { | |
152 | struct hlist_node entry; | |
153 | u32 key_crc32; /* key */ | |
154 | bool learned; | |
155 | struct rocker_fdb_tbl_key { | |
4a6bb6d3 | 156 | u32 pport; |
9f6bbf7c SF |
157 | u8 addr[ETH_ALEN]; |
158 | __be16 vlan_id; | |
159 | } key; | |
160 | }; | |
161 | ||
162 | struct rocker_internal_vlan_tbl_entry { | |
163 | struct hlist_node entry; | |
164 | int ifindex; /* key */ | |
165 | u32 ref_count; | |
166 | __be16 vlan_id; | |
167 | }; | |
168 | ||
c1beeef7 SF |
169 | struct rocker_neigh_tbl_entry { |
170 | struct hlist_node entry; | |
171 | __be32 ip_addr; /* key */ | |
172 | struct net_device *dev; | |
173 | u32 ref_count; | |
174 | u32 index; | |
175 | u8 eth_dst[ETH_ALEN]; | |
176 | bool ttl_check; | |
177 | }; | |
178 | ||
4b8ac966 JP |
179 | struct rocker_desc_info { |
180 | char *data; /* mapped */ | |
181 | size_t data_size; | |
182 | size_t tlv_size; | |
183 | struct rocker_desc *desc; | |
4725ceb9 | 184 | dma_addr_t mapaddr; |
4b8ac966 JP |
185 | }; |
186 | ||
187 | struct rocker_dma_ring_info { | |
188 | size_t size; | |
189 | u32 head; | |
190 | u32 tail; | |
191 | struct rocker_desc *desc; /* mapped */ | |
192 | dma_addr_t mapaddr; | |
193 | struct rocker_desc_info *desc_info; | |
194 | unsigned int type; | |
195 | }; | |
196 | ||
197 | struct rocker; | |
198 | ||
9f6bbf7c SF |
199 | enum { |
200 | ROCKER_CTRL_LINK_LOCAL_MCAST, | |
201 | ROCKER_CTRL_LOCAL_ARP, | |
202 | ROCKER_CTRL_IPV4_MCAST, | |
203 | ROCKER_CTRL_IPV6_MCAST, | |
204 | ROCKER_CTRL_DFLT_BRIDGING, | |
8254973f | 205 | ROCKER_CTRL_DFLT_OVS, |
9f6bbf7c SF |
206 | ROCKER_CTRL_MAX, |
207 | }; | |
208 | ||
209 | #define ROCKER_INTERNAL_VLAN_ID_BASE 0x0f00 | |
210 | #define ROCKER_N_INTERNAL_VLANS 255 | |
211 | #define ROCKER_VLAN_BITMAP_LEN BITS_TO_LONGS(VLAN_N_VID) | |
212 | #define ROCKER_INTERNAL_VLAN_BITMAP_LEN BITS_TO_LONGS(ROCKER_N_INTERNAL_VLANS) | |
213 | ||
4b8ac966 JP |
214 | struct rocker_port { |
215 | struct net_device *dev; | |
6c707945 | 216 | struct net_device *bridge_dev; |
4b8ac966 JP |
217 | struct rocker *rocker; |
218 | unsigned int port_number; | |
4a6bb6d3 | 219 | u32 pport; |
9f6bbf7c | 220 | __be16 internal_vlan_id; |
6c707945 | 221 | int stp_state; |
5111f80c | 222 | u32 brport_flags; |
9f6bbf7c SF |
223 | bool ctrls[ROCKER_CTRL_MAX]; |
224 | unsigned long vlan_bitmap[ROCKER_VLAN_BITMAP_LEN]; | |
4b8ac966 JP |
225 | struct napi_struct napi_tx; |
226 | struct napi_struct napi_rx; | |
227 | struct rocker_dma_ring_info tx_ring; | |
228 | struct rocker_dma_ring_info rx_ring; | |
c4f20321 | 229 | struct list_head trans_mem; |
4b8ac966 JP |
230 | }; |
231 | ||
232 | struct rocker { | |
233 | struct pci_dev *pdev; | |
234 | u8 __iomem *hw_addr; | |
235 | struct msix_entry *msix_entries; | |
236 | unsigned int port_count; | |
237 | struct rocker_port **ports; | |
238 | struct { | |
239 | u64 id; | |
240 | } hw; | |
4725ceb9 | 241 | spinlock_t cmd_ring_lock; /* for cmd ring accesses */ |
4b8ac966 JP |
242 | struct rocker_dma_ring_info cmd_ring; |
243 | struct rocker_dma_ring_info event_ring; | |
9f6bbf7c | 244 | DECLARE_HASHTABLE(flow_tbl, 16); |
4725ceb9 | 245 | spinlock_t flow_tbl_lock; /* for flow tbl accesses */ |
9f6bbf7c SF |
246 | u64 flow_tbl_next_cookie; |
247 | DECLARE_HASHTABLE(group_tbl, 16); | |
4725ceb9 | 248 | spinlock_t group_tbl_lock; /* for group tbl accesses */ |
9f6bbf7c | 249 | DECLARE_HASHTABLE(fdb_tbl, 16); |
4725ceb9 | 250 | spinlock_t fdb_tbl_lock; /* for fdb tbl accesses */ |
9f6bbf7c SF |
251 | unsigned long internal_vlan_bitmap[ROCKER_INTERNAL_VLAN_BITMAP_LEN]; |
252 | DECLARE_HASHTABLE(internal_vlan_tbl, 8); | |
4725ceb9 | 253 | spinlock_t internal_vlan_tbl_lock; /* for vlan tbl accesses */ |
c1beeef7 | 254 | DECLARE_HASHTABLE(neigh_tbl, 16); |
4725ceb9 | 255 | spinlock_t neigh_tbl_lock; /* for neigh tbl accesses */ |
c1beeef7 | 256 | u32 neigh_tbl_next_index; |
9f6bbf7c SF |
257 | }; |
258 | ||
259 | static const u8 zero_mac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; | |
260 | static const u8 ff_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
261 | static const u8 ll_mac[ETH_ALEN] = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 }; | |
262 | static const u8 ll_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0 }; | |
263 | static const u8 mcast_mac[ETH_ALEN] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }; | |
264 | static const u8 ipv4_mcast[ETH_ALEN] = { 0x01, 0x00, 0x5e, 0x00, 0x00, 0x00 }; | |
265 | static const u8 ipv4_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0x80, 0x00, 0x00 }; | |
266 | static const u8 ipv6_mcast[ETH_ALEN] = { 0x33, 0x33, 0x00, 0x00, 0x00, 0x00 }; | |
267 | static const u8 ipv6_mask[ETH_ALEN] = { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }; | |
268 | ||
269 | /* Rocker priority levels for flow table entries. Higher | |
270 | * priority match takes precedence over lower priority match. | |
271 | */ | |
272 | ||
273 | enum { | |
274 | ROCKER_PRIORITY_UNKNOWN = 0, | |
275 | ROCKER_PRIORITY_IG_PORT = 1, | |
276 | ROCKER_PRIORITY_VLAN = 1, | |
277 | ROCKER_PRIORITY_TERM_MAC_UCAST = 0, | |
278 | ROCKER_PRIORITY_TERM_MAC_MCAST = 1, | |
9f6bbf7c SF |
279 | ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_EXACT = 1, |
280 | ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_WILD = 2, | |
281 | ROCKER_PRIORITY_BRIDGING_VLAN = 3, | |
282 | ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_EXACT = 1, | |
283 | ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_WILD = 2, | |
284 | ROCKER_PRIORITY_BRIDGING_TENANT = 3, | |
285 | ROCKER_PRIORITY_ACL_CTRL = 3, | |
286 | ROCKER_PRIORITY_ACL_NORMAL = 2, | |
287 | ROCKER_PRIORITY_ACL_DFLT = 1, | |
4b8ac966 JP |
288 | }; |
289 | ||
9f6bbf7c SF |
290 | static bool rocker_vlan_id_is_internal(__be16 vlan_id) |
291 | { | |
292 | u16 start = ROCKER_INTERNAL_VLAN_ID_BASE; | |
293 | u16 end = 0xffe; | |
294 | u16 _vlan_id = ntohs(vlan_id); | |
295 | ||
296 | return (_vlan_id >= start && _vlan_id <= end); | |
297 | } | |
298 | ||
e5054643 | 299 | static __be16 rocker_port_vid_to_vlan(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
300 | u16 vid, bool *pop_vlan) |
301 | { | |
302 | __be16 vlan_id; | |
303 | ||
304 | if (pop_vlan) | |
305 | *pop_vlan = false; | |
306 | vlan_id = htons(vid); | |
307 | if (!vlan_id) { | |
308 | vlan_id = rocker_port->internal_vlan_id; | |
309 | if (pop_vlan) | |
310 | *pop_vlan = true; | |
311 | } | |
312 | ||
313 | return vlan_id; | |
314 | } | |
315 | ||
e5054643 | 316 | static u16 rocker_port_vlan_to_vid(const struct rocker_port *rocker_port, |
6c707945 SF |
317 | __be16 vlan_id) |
318 | { | |
319 | if (rocker_vlan_id_is_internal(vlan_id)) | |
320 | return 0; | |
321 | ||
322 | return ntohs(vlan_id); | |
323 | } | |
324 | ||
8254973f SH |
325 | static bool rocker_port_is_slave(const struct rocker_port *rocker_port, |
326 | const char *kind) | |
327 | { | |
328 | return rocker_port->bridge_dev && | |
329 | !strcmp(rocker_port->bridge_dev->rtnl_link_ops->kind, kind); | |
330 | } | |
331 | ||
e5054643 | 332 | static bool rocker_port_is_bridged(const struct rocker_port *rocker_port) |
6c707945 | 333 | { |
8254973f SH |
334 | return rocker_port_is_slave(rocker_port, "bridge"); |
335 | } | |
336 | ||
337 | static bool rocker_port_is_ovsed(const struct rocker_port *rocker_port) | |
338 | { | |
339 | return rocker_port_is_slave(rocker_port, "openvswitch"); | |
6c707945 SF |
340 | } |
341 | ||
179f9a25 SF |
342 | #define ROCKER_OP_FLAG_REMOVE BIT(0) |
343 | #define ROCKER_OP_FLAG_NOWAIT BIT(1) | |
344 | #define ROCKER_OP_FLAG_LEARNED BIT(2) | |
345 | #define ROCKER_OP_FLAG_REFRESH BIT(3) | |
346 | ||
c4f20321 | 347 | static void *__rocker_port_mem_alloc(struct rocker_port *rocker_port, |
179f9a25 SF |
348 | enum switchdev_trans trans, int flags, |
349 | size_t size) | |
c4f20321 SF |
350 | { |
351 | struct list_head *elem = NULL; | |
179f9a25 SF |
352 | gfp_t gfp_flags = (flags & ROCKER_OP_FLAG_NOWAIT) ? |
353 | GFP_ATOMIC : GFP_KERNEL; | |
c4f20321 SF |
354 | |
355 | /* If in transaction prepare phase, allocate the memory | |
356 | * and enqueue it on a per-port list. If in transaction | |
357 | * commit phase, dequeue the memory from the per-port list | |
358 | * rather than re-allocating the memory. The idea is the | |
359 | * driver code paths for prepare and commit are identical | |
360 | * so the memory allocated in the prepare phase is the | |
361 | * memory used in the commit phase. | |
362 | */ | |
363 | ||
364 | switch (trans) { | |
365 | case SWITCHDEV_TRANS_PREPARE: | |
179f9a25 | 366 | elem = kzalloc(size + sizeof(*elem), gfp_flags); |
c4f20321 SF |
367 | if (!elem) |
368 | return NULL; | |
369 | list_add_tail(elem, &rocker_port->trans_mem); | |
370 | break; | |
371 | case SWITCHDEV_TRANS_COMMIT: | |
372 | BUG_ON(list_empty(&rocker_port->trans_mem)); | |
373 | elem = rocker_port->trans_mem.next; | |
374 | list_del_init(elem); | |
375 | break; | |
376 | case SWITCHDEV_TRANS_NONE: | |
179f9a25 | 377 | elem = kzalloc(size + sizeof(*elem), gfp_flags); |
c4f20321 SF |
378 | if (elem) |
379 | INIT_LIST_HEAD(elem); | |
380 | break; | |
381 | default: | |
382 | break; | |
383 | } | |
384 | ||
385 | return elem ? elem + 1 : NULL; | |
386 | } | |
387 | ||
388 | static void *rocker_port_kzalloc(struct rocker_port *rocker_port, | |
179f9a25 SF |
389 | enum switchdev_trans trans, int flags, |
390 | size_t size) | |
c4f20321 | 391 | { |
179f9a25 | 392 | return __rocker_port_mem_alloc(rocker_port, trans, flags, size); |
c4f20321 SF |
393 | } |
394 | ||
395 | static void *rocker_port_kcalloc(struct rocker_port *rocker_port, | |
179f9a25 SF |
396 | enum switchdev_trans trans, int flags, |
397 | size_t n, size_t size) | |
c4f20321 | 398 | { |
179f9a25 | 399 | return __rocker_port_mem_alloc(rocker_port, trans, flags, n * size); |
c4f20321 SF |
400 | } |
401 | ||
0985df73 | 402 | static void rocker_port_kfree(enum switchdev_trans trans, const void *mem) |
c4f20321 SF |
403 | { |
404 | struct list_head *elem; | |
405 | ||
406 | /* Frees are ignored if in transaction prepare phase. The | |
407 | * memory remains on the per-port list until freed in the | |
408 | * commit phase. | |
409 | */ | |
410 | ||
411 | if (trans == SWITCHDEV_TRANS_PREPARE) | |
412 | return; | |
413 | ||
414 | elem = (struct list_head *)mem - 1; | |
415 | BUG_ON(!list_empty(elem)); | |
416 | kfree(elem); | |
417 | } | |
418 | ||
4b8ac966 JP |
419 | struct rocker_wait { |
420 | wait_queue_head_t wait; | |
421 | bool done; | |
179f9a25 | 422 | bool nowait; |
4b8ac966 JP |
423 | }; |
424 | ||
425 | static void rocker_wait_reset(struct rocker_wait *wait) | |
426 | { | |
427 | wait->done = false; | |
179f9a25 | 428 | wait->nowait = false; |
4b8ac966 JP |
429 | } |
430 | ||
431 | static void rocker_wait_init(struct rocker_wait *wait) | |
432 | { | |
433 | init_waitqueue_head(&wait->wait); | |
434 | rocker_wait_reset(wait); | |
435 | } | |
436 | ||
c4f20321 | 437 | static struct rocker_wait *rocker_wait_create(struct rocker_port *rocker_port, |
179f9a25 SF |
438 | enum switchdev_trans trans, |
439 | int flags) | |
4b8ac966 JP |
440 | { |
441 | struct rocker_wait *wait; | |
442 | ||
179f9a25 | 443 | wait = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*wait)); |
4b8ac966 JP |
444 | if (!wait) |
445 | return NULL; | |
446 | rocker_wait_init(wait); | |
447 | return wait; | |
448 | } | |
449 | ||
0985df73 | 450 | static void rocker_wait_destroy(enum switchdev_trans trans, |
c4f20321 | 451 | struct rocker_wait *wait) |
4b8ac966 | 452 | { |
0985df73 | 453 | rocker_port_kfree(trans, wait); |
4b8ac966 JP |
454 | } |
455 | ||
456 | static bool rocker_wait_event_timeout(struct rocker_wait *wait, | |
457 | unsigned long timeout) | |
458 | { | |
459 | wait_event_timeout(wait->wait, wait->done, HZ / 10); | |
460 | if (!wait->done) | |
461 | return false; | |
462 | return true; | |
463 | } | |
464 | ||
465 | static void rocker_wait_wake_up(struct rocker_wait *wait) | |
466 | { | |
467 | wait->done = true; | |
468 | wake_up(&wait->wait); | |
469 | } | |
470 | ||
e5054643 | 471 | static u32 rocker_msix_vector(const struct rocker *rocker, unsigned int vector) |
4b8ac966 JP |
472 | { |
473 | return rocker->msix_entries[vector].vector; | |
474 | } | |
475 | ||
e5054643 | 476 | static u32 rocker_msix_tx_vector(const struct rocker_port *rocker_port) |
4b8ac966 JP |
477 | { |
478 | return rocker_msix_vector(rocker_port->rocker, | |
479 | ROCKER_MSIX_VEC_TX(rocker_port->port_number)); | |
480 | } | |
481 | ||
e5054643 | 482 | static u32 rocker_msix_rx_vector(const struct rocker_port *rocker_port) |
4b8ac966 JP |
483 | { |
484 | return rocker_msix_vector(rocker_port->rocker, | |
485 | ROCKER_MSIX_VEC_RX(rocker_port->port_number)); | |
486 | } | |
487 | ||
488 | #define rocker_write32(rocker, reg, val) \ | |
489 | writel((val), (rocker)->hw_addr + (ROCKER_ ## reg)) | |
490 | #define rocker_read32(rocker, reg) \ | |
491 | readl((rocker)->hw_addr + (ROCKER_ ## reg)) | |
492 | #define rocker_write64(rocker, reg, val) \ | |
493 | writeq((val), (rocker)->hw_addr + (ROCKER_ ## reg)) | |
494 | #define rocker_read64(rocker, reg) \ | |
495 | readq((rocker)->hw_addr + (ROCKER_ ## reg)) | |
496 | ||
497 | /***************************** | |
498 | * HW basic testing functions | |
499 | *****************************/ | |
500 | ||
e5054643 | 501 | static int rocker_reg_test(const struct rocker *rocker) |
4b8ac966 | 502 | { |
e5054643 | 503 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
504 | u64 test_reg; |
505 | u64 rnd; | |
506 | ||
507 | rnd = prandom_u32(); | |
508 | rnd >>= 1; | |
509 | rocker_write32(rocker, TEST_REG, rnd); | |
510 | test_reg = rocker_read32(rocker, TEST_REG); | |
511 | if (test_reg != rnd * 2) { | |
512 | dev_err(&pdev->dev, "unexpected 32bit register value %08llx, expected %08llx\n", | |
513 | test_reg, rnd * 2); | |
514 | return -EIO; | |
515 | } | |
516 | ||
517 | rnd = prandom_u32(); | |
518 | rnd <<= 31; | |
519 | rnd |= prandom_u32(); | |
520 | rocker_write64(rocker, TEST_REG64, rnd); | |
521 | test_reg = rocker_read64(rocker, TEST_REG64); | |
522 | if (test_reg != rnd * 2) { | |
523 | dev_err(&pdev->dev, "unexpected 64bit register value %16llx, expected %16llx\n", | |
524 | test_reg, rnd * 2); | |
525 | return -EIO; | |
526 | } | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
e5054643 SH |
531 | static int rocker_dma_test_one(const struct rocker *rocker, |
532 | struct rocker_wait *wait, u32 test_type, | |
533 | dma_addr_t dma_handle, const unsigned char *buf, | |
534 | const unsigned char *expect, size_t size) | |
4b8ac966 | 535 | { |
e5054643 | 536 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
537 | int i; |
538 | ||
539 | rocker_wait_reset(wait); | |
540 | rocker_write32(rocker, TEST_DMA_CTRL, test_type); | |
541 | ||
542 | if (!rocker_wait_event_timeout(wait, HZ / 10)) { | |
543 | dev_err(&pdev->dev, "no interrupt received within a timeout\n"); | |
544 | return -EIO; | |
545 | } | |
546 | ||
547 | for (i = 0; i < size; i++) { | |
548 | if (buf[i] != expect[i]) { | |
549 | dev_err(&pdev->dev, "unexpected memory content %02x at byte %x\n, %02x expected", | |
550 | buf[i], i, expect[i]); | |
551 | return -EIO; | |
552 | } | |
553 | } | |
554 | return 0; | |
555 | } | |
556 | ||
557 | #define ROCKER_TEST_DMA_BUF_SIZE (PAGE_SIZE * 4) | |
558 | #define ROCKER_TEST_DMA_FILL_PATTERN 0x96 | |
559 | ||
e5054643 | 560 | static int rocker_dma_test_offset(const struct rocker *rocker, |
4b8ac966 JP |
561 | struct rocker_wait *wait, int offset) |
562 | { | |
563 | struct pci_dev *pdev = rocker->pdev; | |
564 | unsigned char *alloc; | |
565 | unsigned char *buf; | |
566 | unsigned char *expect; | |
567 | dma_addr_t dma_handle; | |
568 | int i; | |
569 | int err; | |
570 | ||
571 | alloc = kzalloc(ROCKER_TEST_DMA_BUF_SIZE * 2 + offset, | |
572 | GFP_KERNEL | GFP_DMA); | |
573 | if (!alloc) | |
574 | return -ENOMEM; | |
575 | buf = alloc + offset; | |
576 | expect = buf + ROCKER_TEST_DMA_BUF_SIZE; | |
577 | ||
578 | dma_handle = pci_map_single(pdev, buf, ROCKER_TEST_DMA_BUF_SIZE, | |
579 | PCI_DMA_BIDIRECTIONAL); | |
580 | if (pci_dma_mapping_error(pdev, dma_handle)) { | |
581 | err = -EIO; | |
582 | goto free_alloc; | |
583 | } | |
584 | ||
585 | rocker_write64(rocker, TEST_DMA_ADDR, dma_handle); | |
586 | rocker_write32(rocker, TEST_DMA_SIZE, ROCKER_TEST_DMA_BUF_SIZE); | |
587 | ||
588 | memset(expect, ROCKER_TEST_DMA_FILL_PATTERN, ROCKER_TEST_DMA_BUF_SIZE); | |
589 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_FILL, | |
590 | dma_handle, buf, expect, | |
591 | ROCKER_TEST_DMA_BUF_SIZE); | |
592 | if (err) | |
593 | goto unmap; | |
594 | ||
595 | memset(expect, 0, ROCKER_TEST_DMA_BUF_SIZE); | |
596 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_CLEAR, | |
597 | dma_handle, buf, expect, | |
598 | ROCKER_TEST_DMA_BUF_SIZE); | |
599 | if (err) | |
600 | goto unmap; | |
601 | ||
602 | prandom_bytes(buf, ROCKER_TEST_DMA_BUF_SIZE); | |
603 | for (i = 0; i < ROCKER_TEST_DMA_BUF_SIZE; i++) | |
604 | expect[i] = ~buf[i]; | |
605 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_INVERT, | |
606 | dma_handle, buf, expect, | |
607 | ROCKER_TEST_DMA_BUF_SIZE); | |
608 | if (err) | |
609 | goto unmap; | |
610 | ||
611 | unmap: | |
612 | pci_unmap_single(pdev, dma_handle, ROCKER_TEST_DMA_BUF_SIZE, | |
613 | PCI_DMA_BIDIRECTIONAL); | |
614 | free_alloc: | |
615 | kfree(alloc); | |
616 | ||
617 | return err; | |
618 | } | |
619 | ||
e5054643 SH |
620 | static int rocker_dma_test(const struct rocker *rocker, |
621 | struct rocker_wait *wait) | |
4b8ac966 JP |
622 | { |
623 | int i; | |
624 | int err; | |
625 | ||
626 | for (i = 0; i < 8; i++) { | |
627 | err = rocker_dma_test_offset(rocker, wait, i); | |
628 | if (err) | |
629 | return err; | |
630 | } | |
631 | return 0; | |
632 | } | |
633 | ||
634 | static irqreturn_t rocker_test_irq_handler(int irq, void *dev_id) | |
635 | { | |
636 | struct rocker_wait *wait = dev_id; | |
637 | ||
638 | rocker_wait_wake_up(wait); | |
639 | ||
640 | return IRQ_HANDLED; | |
641 | } | |
642 | ||
e5054643 | 643 | static int rocker_basic_hw_test(const struct rocker *rocker) |
4b8ac966 | 644 | { |
e5054643 | 645 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
646 | struct rocker_wait wait; |
647 | int err; | |
648 | ||
649 | err = rocker_reg_test(rocker); | |
650 | if (err) { | |
651 | dev_err(&pdev->dev, "reg test failed\n"); | |
652 | return err; | |
653 | } | |
654 | ||
655 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_TEST), | |
656 | rocker_test_irq_handler, 0, | |
657 | rocker_driver_name, &wait); | |
658 | if (err) { | |
659 | dev_err(&pdev->dev, "cannot assign test irq\n"); | |
660 | return err; | |
661 | } | |
662 | ||
663 | rocker_wait_init(&wait); | |
664 | rocker_write32(rocker, TEST_IRQ, ROCKER_MSIX_VEC_TEST); | |
665 | ||
666 | if (!rocker_wait_event_timeout(&wait, HZ / 10)) { | |
667 | dev_err(&pdev->dev, "no interrupt received within a timeout\n"); | |
668 | err = -EIO; | |
669 | goto free_irq; | |
670 | } | |
671 | ||
672 | err = rocker_dma_test(rocker, &wait); | |
673 | if (err) | |
674 | dev_err(&pdev->dev, "dma test failed\n"); | |
675 | ||
676 | free_irq: | |
677 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_TEST), &wait); | |
678 | return err; | |
679 | } | |
680 | ||
681 | /****** | |
682 | * TLV | |
683 | ******/ | |
684 | ||
685 | #define ROCKER_TLV_ALIGNTO 8U | |
686 | #define ROCKER_TLV_ALIGN(len) \ | |
687 | (((len) + ROCKER_TLV_ALIGNTO - 1) & ~(ROCKER_TLV_ALIGNTO - 1)) | |
688 | #define ROCKER_TLV_HDRLEN ROCKER_TLV_ALIGN(sizeof(struct rocker_tlv)) | |
689 | ||
690 | /* <------- ROCKER_TLV_HDRLEN -------> <--- ROCKER_TLV_ALIGN(payload) ---> | |
691 | * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+ | |
692 | * | Header | Pad | Payload | Pad | | |
693 | * | (struct rocker_tlv) | ing | | ing | | |
694 | * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+ | |
695 | * <--------------------------- tlv->len --------------------------> | |
696 | */ | |
697 | ||
698 | static struct rocker_tlv *rocker_tlv_next(const struct rocker_tlv *tlv, | |
699 | int *remaining) | |
700 | { | |
701 | int totlen = ROCKER_TLV_ALIGN(tlv->len); | |
702 | ||
703 | *remaining -= totlen; | |
704 | return (struct rocker_tlv *) ((char *) tlv + totlen); | |
705 | } | |
706 | ||
707 | static int rocker_tlv_ok(const struct rocker_tlv *tlv, int remaining) | |
708 | { | |
709 | return remaining >= (int) ROCKER_TLV_HDRLEN && | |
710 | tlv->len >= ROCKER_TLV_HDRLEN && | |
711 | tlv->len <= remaining; | |
712 | } | |
713 | ||
714 | #define rocker_tlv_for_each(pos, head, len, rem) \ | |
715 | for (pos = head, rem = len; \ | |
716 | rocker_tlv_ok(pos, rem); \ | |
717 | pos = rocker_tlv_next(pos, &(rem))) | |
718 | ||
719 | #define rocker_tlv_for_each_nested(pos, tlv, rem) \ | |
720 | rocker_tlv_for_each(pos, rocker_tlv_data(tlv), \ | |
721 | rocker_tlv_len(tlv), rem) | |
722 | ||
723 | static int rocker_tlv_attr_size(int payload) | |
724 | { | |
725 | return ROCKER_TLV_HDRLEN + payload; | |
726 | } | |
727 | ||
728 | static int rocker_tlv_total_size(int payload) | |
729 | { | |
730 | return ROCKER_TLV_ALIGN(rocker_tlv_attr_size(payload)); | |
731 | } | |
732 | ||
733 | static int rocker_tlv_padlen(int payload) | |
734 | { | |
735 | return rocker_tlv_total_size(payload) - rocker_tlv_attr_size(payload); | |
736 | } | |
737 | ||
738 | static int rocker_tlv_type(const struct rocker_tlv *tlv) | |
739 | { | |
740 | return tlv->type; | |
741 | } | |
742 | ||
743 | static void *rocker_tlv_data(const struct rocker_tlv *tlv) | |
744 | { | |
745 | return (char *) tlv + ROCKER_TLV_HDRLEN; | |
746 | } | |
747 | ||
748 | static int rocker_tlv_len(const struct rocker_tlv *tlv) | |
749 | { | |
750 | return tlv->len - ROCKER_TLV_HDRLEN; | |
751 | } | |
752 | ||
753 | static u8 rocker_tlv_get_u8(const struct rocker_tlv *tlv) | |
754 | { | |
755 | return *(u8 *) rocker_tlv_data(tlv); | |
756 | } | |
757 | ||
758 | static u16 rocker_tlv_get_u16(const struct rocker_tlv *tlv) | |
759 | { | |
760 | return *(u16 *) rocker_tlv_data(tlv); | |
761 | } | |
762 | ||
9b03c71f JP |
763 | static __be16 rocker_tlv_get_be16(const struct rocker_tlv *tlv) |
764 | { | |
765 | return *(__be16 *) rocker_tlv_data(tlv); | |
766 | } | |
767 | ||
4b8ac966 JP |
768 | static u32 rocker_tlv_get_u32(const struct rocker_tlv *tlv) |
769 | { | |
770 | return *(u32 *) rocker_tlv_data(tlv); | |
771 | } | |
772 | ||
773 | static u64 rocker_tlv_get_u64(const struct rocker_tlv *tlv) | |
774 | { | |
775 | return *(u64 *) rocker_tlv_data(tlv); | |
776 | } | |
777 | ||
e5054643 | 778 | static void rocker_tlv_parse(const struct rocker_tlv **tb, int maxtype, |
4b8ac966 JP |
779 | const char *buf, int buf_len) |
780 | { | |
781 | const struct rocker_tlv *tlv; | |
782 | const struct rocker_tlv *head = (const struct rocker_tlv *) buf; | |
783 | int rem; | |
784 | ||
785 | memset(tb, 0, sizeof(struct rocker_tlv *) * (maxtype + 1)); | |
786 | ||
787 | rocker_tlv_for_each(tlv, head, buf_len, rem) { | |
788 | u32 type = rocker_tlv_type(tlv); | |
789 | ||
790 | if (type > 0 && type <= maxtype) | |
e5054643 | 791 | tb[type] = tlv; |
4b8ac966 JP |
792 | } |
793 | } | |
794 | ||
e5054643 | 795 | static void rocker_tlv_parse_nested(const struct rocker_tlv **tb, int maxtype, |
4b8ac966 JP |
796 | const struct rocker_tlv *tlv) |
797 | { | |
798 | rocker_tlv_parse(tb, maxtype, rocker_tlv_data(tlv), | |
799 | rocker_tlv_len(tlv)); | |
800 | } | |
801 | ||
e5054643 SH |
802 | static void rocker_tlv_parse_desc(const struct rocker_tlv **tb, int maxtype, |
803 | const struct rocker_desc_info *desc_info) | |
4b8ac966 JP |
804 | { |
805 | rocker_tlv_parse(tb, maxtype, desc_info->data, | |
806 | desc_info->desc->tlv_size); | |
807 | } | |
808 | ||
809 | static struct rocker_tlv *rocker_tlv_start(struct rocker_desc_info *desc_info) | |
810 | { | |
811 | return (struct rocker_tlv *) ((char *) desc_info->data + | |
812 | desc_info->tlv_size); | |
813 | } | |
814 | ||
815 | static int rocker_tlv_put(struct rocker_desc_info *desc_info, | |
816 | int attrtype, int attrlen, const void *data) | |
817 | { | |
818 | int tail_room = desc_info->data_size - desc_info->tlv_size; | |
819 | int total_size = rocker_tlv_total_size(attrlen); | |
820 | struct rocker_tlv *tlv; | |
821 | ||
822 | if (unlikely(tail_room < total_size)) | |
823 | return -EMSGSIZE; | |
824 | ||
825 | tlv = rocker_tlv_start(desc_info); | |
826 | desc_info->tlv_size += total_size; | |
827 | tlv->type = attrtype; | |
828 | tlv->len = rocker_tlv_attr_size(attrlen); | |
829 | memcpy(rocker_tlv_data(tlv), data, attrlen); | |
830 | memset((char *) tlv + tlv->len, 0, rocker_tlv_padlen(attrlen)); | |
831 | return 0; | |
832 | } | |
833 | ||
834 | static int rocker_tlv_put_u8(struct rocker_desc_info *desc_info, | |
835 | int attrtype, u8 value) | |
836 | { | |
837 | return rocker_tlv_put(desc_info, attrtype, sizeof(u8), &value); | |
838 | } | |
839 | ||
840 | static int rocker_tlv_put_u16(struct rocker_desc_info *desc_info, | |
841 | int attrtype, u16 value) | |
842 | { | |
843 | return rocker_tlv_put(desc_info, attrtype, sizeof(u16), &value); | |
844 | } | |
845 | ||
9b03c71f JP |
846 | static int rocker_tlv_put_be16(struct rocker_desc_info *desc_info, |
847 | int attrtype, __be16 value) | |
848 | { | |
849 | return rocker_tlv_put(desc_info, attrtype, sizeof(__be16), &value); | |
850 | } | |
851 | ||
4b8ac966 JP |
852 | static int rocker_tlv_put_u32(struct rocker_desc_info *desc_info, |
853 | int attrtype, u32 value) | |
854 | { | |
855 | return rocker_tlv_put(desc_info, attrtype, sizeof(u32), &value); | |
856 | } | |
857 | ||
9b03c71f JP |
858 | static int rocker_tlv_put_be32(struct rocker_desc_info *desc_info, |
859 | int attrtype, __be32 value) | |
860 | { | |
861 | return rocker_tlv_put(desc_info, attrtype, sizeof(__be32), &value); | |
862 | } | |
863 | ||
4b8ac966 JP |
864 | static int rocker_tlv_put_u64(struct rocker_desc_info *desc_info, |
865 | int attrtype, u64 value) | |
866 | { | |
867 | return rocker_tlv_put(desc_info, attrtype, sizeof(u64), &value); | |
868 | } | |
869 | ||
870 | static struct rocker_tlv * | |
871 | rocker_tlv_nest_start(struct rocker_desc_info *desc_info, int attrtype) | |
872 | { | |
873 | struct rocker_tlv *start = rocker_tlv_start(desc_info); | |
874 | ||
875 | if (rocker_tlv_put(desc_info, attrtype, 0, NULL) < 0) | |
876 | return NULL; | |
877 | ||
878 | return start; | |
879 | } | |
880 | ||
881 | static void rocker_tlv_nest_end(struct rocker_desc_info *desc_info, | |
882 | struct rocker_tlv *start) | |
883 | { | |
884 | start->len = (char *) rocker_tlv_start(desc_info) - (char *) start; | |
885 | } | |
886 | ||
887 | static void rocker_tlv_nest_cancel(struct rocker_desc_info *desc_info, | |
e5054643 | 888 | const struct rocker_tlv *start) |
4b8ac966 | 889 | { |
e5054643 | 890 | desc_info->tlv_size = (const char *) start - desc_info->data; |
4b8ac966 JP |
891 | } |
892 | ||
893 | /****************************************** | |
894 | * DMA rings and descriptors manipulations | |
895 | ******************************************/ | |
896 | ||
897 | static u32 __pos_inc(u32 pos, size_t limit) | |
898 | { | |
899 | return ++pos == limit ? 0 : pos; | |
900 | } | |
901 | ||
e5054643 | 902 | static int rocker_desc_err(const struct rocker_desc_info *desc_info) |
4b8ac966 | 903 | { |
7eb344f8 SF |
904 | int err = desc_info->desc->comp_err & ~ROCKER_DMA_DESC_COMP_ERR_GEN; |
905 | ||
906 | switch (err) { | |
907 | case ROCKER_OK: | |
908 | return 0; | |
909 | case -ROCKER_ENOENT: | |
910 | return -ENOENT; | |
911 | case -ROCKER_ENXIO: | |
912 | return -ENXIO; | |
913 | case -ROCKER_ENOMEM: | |
914 | return -ENOMEM; | |
915 | case -ROCKER_EEXIST: | |
916 | return -EEXIST; | |
917 | case -ROCKER_EINVAL: | |
918 | return -EINVAL; | |
919 | case -ROCKER_EMSGSIZE: | |
920 | return -EMSGSIZE; | |
921 | case -ROCKER_ENOTSUP: | |
922 | return -EOPNOTSUPP; | |
923 | case -ROCKER_ENOBUFS: | |
924 | return -ENOBUFS; | |
925 | } | |
926 | ||
927 | return -EINVAL; | |
4b8ac966 JP |
928 | } |
929 | ||
e5054643 | 930 | static void rocker_desc_gen_clear(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
931 | { |
932 | desc_info->desc->comp_err &= ~ROCKER_DMA_DESC_COMP_ERR_GEN; | |
933 | } | |
934 | ||
e5054643 | 935 | static bool rocker_desc_gen(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
936 | { |
937 | u32 comp_err = desc_info->desc->comp_err; | |
938 | ||
939 | return comp_err & ROCKER_DMA_DESC_COMP_ERR_GEN ? true : false; | |
940 | } | |
941 | ||
e5054643 | 942 | static void *rocker_desc_cookie_ptr_get(const struct rocker_desc_info *desc_info) |
4b8ac966 | 943 | { |
adedf37b | 944 | return (void *)(uintptr_t)desc_info->desc->cookie; |
4b8ac966 JP |
945 | } |
946 | ||
e5054643 | 947 | static void rocker_desc_cookie_ptr_set(const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
948 | void *ptr) |
949 | { | |
adedf37b | 950 | desc_info->desc->cookie = (uintptr_t) ptr; |
4b8ac966 JP |
951 | } |
952 | ||
953 | static struct rocker_desc_info * | |
e5054643 | 954 | rocker_desc_head_get(const struct rocker_dma_ring_info *info) |
4b8ac966 JP |
955 | { |
956 | static struct rocker_desc_info *desc_info; | |
957 | u32 head = __pos_inc(info->head, info->size); | |
958 | ||
959 | desc_info = &info->desc_info[info->head]; | |
960 | if (head == info->tail) | |
961 | return NULL; /* ring full */ | |
962 | desc_info->tlv_size = 0; | |
963 | return desc_info; | |
964 | } | |
965 | ||
e5054643 | 966 | static void rocker_desc_commit(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
967 | { |
968 | desc_info->desc->buf_size = desc_info->data_size; | |
969 | desc_info->desc->tlv_size = desc_info->tlv_size; | |
970 | } | |
971 | ||
e5054643 | 972 | static void rocker_desc_head_set(const struct rocker *rocker, |
4b8ac966 | 973 | struct rocker_dma_ring_info *info, |
e5054643 | 974 | const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
975 | { |
976 | u32 head = __pos_inc(info->head, info->size); | |
977 | ||
978 | BUG_ON(head == info->tail); | |
979 | rocker_desc_commit(desc_info); | |
980 | info->head = head; | |
981 | rocker_write32(rocker, DMA_DESC_HEAD(info->type), head); | |
982 | } | |
983 | ||
984 | static struct rocker_desc_info * | |
985 | rocker_desc_tail_get(struct rocker_dma_ring_info *info) | |
986 | { | |
987 | static struct rocker_desc_info *desc_info; | |
988 | ||
989 | if (info->tail == info->head) | |
990 | return NULL; /* nothing to be done between head and tail */ | |
991 | desc_info = &info->desc_info[info->tail]; | |
992 | if (!rocker_desc_gen(desc_info)) | |
993 | return NULL; /* gen bit not set, desc is not ready yet */ | |
994 | info->tail = __pos_inc(info->tail, info->size); | |
995 | desc_info->tlv_size = desc_info->desc->tlv_size; | |
996 | return desc_info; | |
997 | } | |
998 | ||
e5054643 SH |
999 | static void rocker_dma_ring_credits_set(const struct rocker *rocker, |
1000 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
1001 | u32 credits) |
1002 | { | |
1003 | if (credits) | |
1004 | rocker_write32(rocker, DMA_DESC_CREDITS(info->type), credits); | |
1005 | } | |
1006 | ||
1007 | static unsigned long rocker_dma_ring_size_fix(size_t size) | |
1008 | { | |
1009 | return max(ROCKER_DMA_SIZE_MIN, | |
1010 | min(roundup_pow_of_two(size), ROCKER_DMA_SIZE_MAX)); | |
1011 | } | |
1012 | ||
e5054643 | 1013 | static int rocker_dma_ring_create(const struct rocker *rocker, |
4b8ac966 JP |
1014 | unsigned int type, |
1015 | size_t size, | |
1016 | struct rocker_dma_ring_info *info) | |
1017 | { | |
1018 | int i; | |
1019 | ||
1020 | BUG_ON(size != rocker_dma_ring_size_fix(size)); | |
1021 | info->size = size; | |
1022 | info->type = type; | |
1023 | info->head = 0; | |
1024 | info->tail = 0; | |
1025 | info->desc_info = kcalloc(info->size, sizeof(*info->desc_info), | |
1026 | GFP_KERNEL); | |
1027 | if (!info->desc_info) | |
1028 | return -ENOMEM; | |
1029 | ||
1030 | info->desc = pci_alloc_consistent(rocker->pdev, | |
1031 | info->size * sizeof(*info->desc), | |
1032 | &info->mapaddr); | |
1033 | if (!info->desc) { | |
1034 | kfree(info->desc_info); | |
1035 | return -ENOMEM; | |
1036 | } | |
1037 | ||
1038 | for (i = 0; i < info->size; i++) | |
1039 | info->desc_info[i].desc = &info->desc[i]; | |
1040 | ||
1041 | rocker_write32(rocker, DMA_DESC_CTRL(info->type), | |
1042 | ROCKER_DMA_DESC_CTRL_RESET); | |
1043 | rocker_write64(rocker, DMA_DESC_ADDR(info->type), info->mapaddr); | |
1044 | rocker_write32(rocker, DMA_DESC_SIZE(info->type), info->size); | |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
e5054643 SH |
1049 | static void rocker_dma_ring_destroy(const struct rocker *rocker, |
1050 | const struct rocker_dma_ring_info *info) | |
4b8ac966 JP |
1051 | { |
1052 | rocker_write64(rocker, DMA_DESC_ADDR(info->type), 0); | |
1053 | ||
1054 | pci_free_consistent(rocker->pdev, | |
1055 | info->size * sizeof(struct rocker_desc), | |
1056 | info->desc, info->mapaddr); | |
1057 | kfree(info->desc_info); | |
1058 | } | |
1059 | ||
e5054643 | 1060 | static void rocker_dma_ring_pass_to_producer(const struct rocker *rocker, |
4b8ac966 JP |
1061 | struct rocker_dma_ring_info *info) |
1062 | { | |
1063 | int i; | |
1064 | ||
1065 | BUG_ON(info->head || info->tail); | |
1066 | ||
1067 | /* When ring is consumer, we need to advance head for each desc. | |
1068 | * That tells hw that the desc is ready to be used by it. | |
1069 | */ | |
1070 | for (i = 0; i < info->size - 1; i++) | |
1071 | rocker_desc_head_set(rocker, info, &info->desc_info[i]); | |
1072 | rocker_desc_commit(&info->desc_info[i]); | |
1073 | } | |
1074 | ||
e5054643 SH |
1075 | static int rocker_dma_ring_bufs_alloc(const struct rocker *rocker, |
1076 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
1077 | int direction, size_t buf_size) |
1078 | { | |
1079 | struct pci_dev *pdev = rocker->pdev; | |
1080 | int i; | |
1081 | int err; | |
1082 | ||
1083 | for (i = 0; i < info->size; i++) { | |
1084 | struct rocker_desc_info *desc_info = &info->desc_info[i]; | |
1085 | struct rocker_desc *desc = &info->desc[i]; | |
1086 | dma_addr_t dma_handle; | |
1087 | char *buf; | |
1088 | ||
1089 | buf = kzalloc(buf_size, GFP_KERNEL | GFP_DMA); | |
1090 | if (!buf) { | |
1091 | err = -ENOMEM; | |
1092 | goto rollback; | |
1093 | } | |
1094 | ||
1095 | dma_handle = pci_map_single(pdev, buf, buf_size, direction); | |
1096 | if (pci_dma_mapping_error(pdev, dma_handle)) { | |
1097 | kfree(buf); | |
1098 | err = -EIO; | |
1099 | goto rollback; | |
1100 | } | |
1101 | ||
1102 | desc_info->data = buf; | |
1103 | desc_info->data_size = buf_size; | |
1104 | dma_unmap_addr_set(desc_info, mapaddr, dma_handle); | |
1105 | ||
1106 | desc->buf_addr = dma_handle; | |
1107 | desc->buf_size = buf_size; | |
1108 | } | |
1109 | return 0; | |
1110 | ||
1111 | rollback: | |
1112 | for (i--; i >= 0; i--) { | |
e5054643 | 1113 | const struct rocker_desc_info *desc_info = &info->desc_info[i]; |
4b8ac966 JP |
1114 | |
1115 | pci_unmap_single(pdev, dma_unmap_addr(desc_info, mapaddr), | |
1116 | desc_info->data_size, direction); | |
1117 | kfree(desc_info->data); | |
1118 | } | |
1119 | return err; | |
1120 | } | |
1121 | ||
e5054643 SH |
1122 | static void rocker_dma_ring_bufs_free(const struct rocker *rocker, |
1123 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
1124 | int direction) |
1125 | { | |
1126 | struct pci_dev *pdev = rocker->pdev; | |
1127 | int i; | |
1128 | ||
1129 | for (i = 0; i < info->size; i++) { | |
e5054643 | 1130 | const struct rocker_desc_info *desc_info = &info->desc_info[i]; |
4b8ac966 JP |
1131 | struct rocker_desc *desc = &info->desc[i]; |
1132 | ||
1133 | desc->buf_addr = 0; | |
1134 | desc->buf_size = 0; | |
1135 | pci_unmap_single(pdev, dma_unmap_addr(desc_info, mapaddr), | |
1136 | desc_info->data_size, direction); | |
1137 | kfree(desc_info->data); | |
1138 | } | |
1139 | } | |
1140 | ||
1141 | static int rocker_dma_rings_init(struct rocker *rocker) | |
1142 | { | |
e5054643 | 1143 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
1144 | int err; |
1145 | ||
1146 | err = rocker_dma_ring_create(rocker, ROCKER_DMA_CMD, | |
1147 | ROCKER_DMA_CMD_DEFAULT_SIZE, | |
1148 | &rocker->cmd_ring); | |
1149 | if (err) { | |
1150 | dev_err(&pdev->dev, "failed to create command dma ring\n"); | |
1151 | return err; | |
1152 | } | |
1153 | ||
1154 | spin_lock_init(&rocker->cmd_ring_lock); | |
1155 | ||
1156 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker->cmd_ring, | |
1157 | PCI_DMA_BIDIRECTIONAL, PAGE_SIZE); | |
1158 | if (err) { | |
1159 | dev_err(&pdev->dev, "failed to alloc command dma ring buffers\n"); | |
1160 | goto err_dma_cmd_ring_bufs_alloc; | |
1161 | } | |
1162 | ||
1163 | err = rocker_dma_ring_create(rocker, ROCKER_DMA_EVENT, | |
1164 | ROCKER_DMA_EVENT_DEFAULT_SIZE, | |
1165 | &rocker->event_ring); | |
1166 | if (err) { | |
1167 | dev_err(&pdev->dev, "failed to create event dma ring\n"); | |
1168 | goto err_dma_event_ring_create; | |
1169 | } | |
1170 | ||
1171 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker->event_ring, | |
1172 | PCI_DMA_FROMDEVICE, PAGE_SIZE); | |
1173 | if (err) { | |
1174 | dev_err(&pdev->dev, "failed to alloc event dma ring buffers\n"); | |
1175 | goto err_dma_event_ring_bufs_alloc; | |
1176 | } | |
1177 | rocker_dma_ring_pass_to_producer(rocker, &rocker->event_ring); | |
1178 | return 0; | |
1179 | ||
1180 | err_dma_event_ring_bufs_alloc: | |
1181 | rocker_dma_ring_destroy(rocker, &rocker->event_ring); | |
1182 | err_dma_event_ring_create: | |
1183 | rocker_dma_ring_bufs_free(rocker, &rocker->cmd_ring, | |
1184 | PCI_DMA_BIDIRECTIONAL); | |
1185 | err_dma_cmd_ring_bufs_alloc: | |
1186 | rocker_dma_ring_destroy(rocker, &rocker->cmd_ring); | |
1187 | return err; | |
1188 | } | |
1189 | ||
1190 | static void rocker_dma_rings_fini(struct rocker *rocker) | |
1191 | { | |
1192 | rocker_dma_ring_bufs_free(rocker, &rocker->event_ring, | |
1193 | PCI_DMA_BIDIRECTIONAL); | |
1194 | rocker_dma_ring_destroy(rocker, &rocker->event_ring); | |
1195 | rocker_dma_ring_bufs_free(rocker, &rocker->cmd_ring, | |
1196 | PCI_DMA_BIDIRECTIONAL); | |
1197 | rocker_dma_ring_destroy(rocker, &rocker->cmd_ring); | |
1198 | } | |
1199 | ||
534ba6a8 | 1200 | static int rocker_dma_rx_ring_skb_map(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1201 | struct rocker_desc_info *desc_info, |
1202 | struct sk_buff *skb, size_t buf_len) | |
1203 | { | |
534ba6a8 | 1204 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1205 | struct pci_dev *pdev = rocker->pdev; |
1206 | dma_addr_t dma_handle; | |
1207 | ||
1208 | dma_handle = pci_map_single(pdev, skb->data, buf_len, | |
1209 | PCI_DMA_FROMDEVICE); | |
1210 | if (pci_dma_mapping_error(pdev, dma_handle)) | |
1211 | return -EIO; | |
1212 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_RX_FRAG_ADDR, dma_handle)) | |
1213 | goto tlv_put_failure; | |
1214 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_RX_FRAG_MAX_LEN, buf_len)) | |
1215 | goto tlv_put_failure; | |
1216 | return 0; | |
1217 | ||
1218 | tlv_put_failure: | |
1219 | pci_unmap_single(pdev, dma_handle, buf_len, PCI_DMA_FROMDEVICE); | |
1220 | desc_info->tlv_size = 0; | |
1221 | return -EMSGSIZE; | |
1222 | } | |
1223 | ||
e5054643 | 1224 | static size_t rocker_port_rx_buf_len(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1225 | { |
1226 | return rocker_port->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; | |
1227 | } | |
1228 | ||
534ba6a8 | 1229 | static int rocker_dma_rx_ring_skb_alloc(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1230 | struct rocker_desc_info *desc_info) |
1231 | { | |
1232 | struct net_device *dev = rocker_port->dev; | |
1233 | struct sk_buff *skb; | |
1234 | size_t buf_len = rocker_port_rx_buf_len(rocker_port); | |
1235 | int err; | |
1236 | ||
1237 | /* Ensure that hw will see tlv_size zero in case of an error. | |
1238 | * That tells hw to use another descriptor. | |
1239 | */ | |
1240 | rocker_desc_cookie_ptr_set(desc_info, NULL); | |
1241 | desc_info->tlv_size = 0; | |
1242 | ||
1243 | skb = netdev_alloc_skb_ip_align(dev, buf_len); | |
1244 | if (!skb) | |
1245 | return -ENOMEM; | |
534ba6a8 | 1246 | err = rocker_dma_rx_ring_skb_map(rocker_port, desc_info, skb, buf_len); |
4b8ac966 JP |
1247 | if (err) { |
1248 | dev_kfree_skb_any(skb); | |
1249 | return err; | |
1250 | } | |
1251 | rocker_desc_cookie_ptr_set(desc_info, skb); | |
1252 | return 0; | |
1253 | } | |
1254 | ||
e5054643 SH |
1255 | static void rocker_dma_rx_ring_skb_unmap(const struct rocker *rocker, |
1256 | const struct rocker_tlv **attrs) | |
4b8ac966 JP |
1257 | { |
1258 | struct pci_dev *pdev = rocker->pdev; | |
1259 | dma_addr_t dma_handle; | |
1260 | size_t len; | |
1261 | ||
1262 | if (!attrs[ROCKER_TLV_RX_FRAG_ADDR] || | |
1263 | !attrs[ROCKER_TLV_RX_FRAG_MAX_LEN]) | |
1264 | return; | |
1265 | dma_handle = rocker_tlv_get_u64(attrs[ROCKER_TLV_RX_FRAG_ADDR]); | |
1266 | len = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FRAG_MAX_LEN]); | |
1267 | pci_unmap_single(pdev, dma_handle, len, PCI_DMA_FROMDEVICE); | |
1268 | } | |
1269 | ||
e5054643 SH |
1270 | static void rocker_dma_rx_ring_skb_free(const struct rocker *rocker, |
1271 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 1272 | { |
e5054643 | 1273 | const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1]; |
4b8ac966 JP |
1274 | struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info); |
1275 | ||
1276 | if (!skb) | |
1277 | return; | |
1278 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info); | |
1279 | rocker_dma_rx_ring_skb_unmap(rocker, attrs); | |
1280 | dev_kfree_skb_any(skb); | |
1281 | } | |
1282 | ||
534ba6a8 | 1283 | static int rocker_dma_rx_ring_skbs_alloc(const struct rocker_port *rocker_port) |
4b8ac966 | 1284 | { |
e5054643 | 1285 | const struct rocker_dma_ring_info *rx_ring = &rocker_port->rx_ring; |
534ba6a8 | 1286 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1287 | int i; |
1288 | int err; | |
1289 | ||
1290 | for (i = 0; i < rx_ring->size; i++) { | |
534ba6a8 | 1291 | err = rocker_dma_rx_ring_skb_alloc(rocker_port, |
4b8ac966 JP |
1292 | &rx_ring->desc_info[i]); |
1293 | if (err) | |
1294 | goto rollback; | |
1295 | } | |
1296 | return 0; | |
1297 | ||
1298 | rollback: | |
1299 | for (i--; i >= 0; i--) | |
1300 | rocker_dma_rx_ring_skb_free(rocker, &rx_ring->desc_info[i]); | |
1301 | return err; | |
1302 | } | |
1303 | ||
534ba6a8 | 1304 | static void rocker_dma_rx_ring_skbs_free(const struct rocker_port *rocker_port) |
4b8ac966 | 1305 | { |
e5054643 | 1306 | const struct rocker_dma_ring_info *rx_ring = &rocker_port->rx_ring; |
534ba6a8 | 1307 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1308 | int i; |
1309 | ||
1310 | for (i = 0; i < rx_ring->size; i++) | |
1311 | rocker_dma_rx_ring_skb_free(rocker, &rx_ring->desc_info[i]); | |
1312 | } | |
1313 | ||
1314 | static int rocker_port_dma_rings_init(struct rocker_port *rocker_port) | |
1315 | { | |
1316 | struct rocker *rocker = rocker_port->rocker; | |
1317 | int err; | |
1318 | ||
1319 | err = rocker_dma_ring_create(rocker, | |
1320 | ROCKER_DMA_TX(rocker_port->port_number), | |
1321 | ROCKER_DMA_TX_DEFAULT_SIZE, | |
1322 | &rocker_port->tx_ring); | |
1323 | if (err) { | |
1324 | netdev_err(rocker_port->dev, "failed to create tx dma ring\n"); | |
1325 | return err; | |
1326 | } | |
1327 | ||
1328 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker_port->tx_ring, | |
1329 | PCI_DMA_TODEVICE, | |
1330 | ROCKER_DMA_TX_DESC_SIZE); | |
1331 | if (err) { | |
1332 | netdev_err(rocker_port->dev, "failed to alloc tx dma ring buffers\n"); | |
1333 | goto err_dma_tx_ring_bufs_alloc; | |
1334 | } | |
1335 | ||
1336 | err = rocker_dma_ring_create(rocker, | |
1337 | ROCKER_DMA_RX(rocker_port->port_number), | |
1338 | ROCKER_DMA_RX_DEFAULT_SIZE, | |
1339 | &rocker_port->rx_ring); | |
1340 | if (err) { | |
1341 | netdev_err(rocker_port->dev, "failed to create rx dma ring\n"); | |
1342 | goto err_dma_rx_ring_create; | |
1343 | } | |
1344 | ||
1345 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker_port->rx_ring, | |
1346 | PCI_DMA_BIDIRECTIONAL, | |
1347 | ROCKER_DMA_RX_DESC_SIZE); | |
1348 | if (err) { | |
1349 | netdev_err(rocker_port->dev, "failed to alloc rx dma ring buffers\n"); | |
1350 | goto err_dma_rx_ring_bufs_alloc; | |
1351 | } | |
1352 | ||
534ba6a8 | 1353 | err = rocker_dma_rx_ring_skbs_alloc(rocker_port); |
4b8ac966 JP |
1354 | if (err) { |
1355 | netdev_err(rocker_port->dev, "failed to alloc rx dma ring skbs\n"); | |
1356 | goto err_dma_rx_ring_skbs_alloc; | |
1357 | } | |
1358 | rocker_dma_ring_pass_to_producer(rocker, &rocker_port->rx_ring); | |
1359 | ||
1360 | return 0; | |
1361 | ||
1362 | err_dma_rx_ring_skbs_alloc: | |
1363 | rocker_dma_ring_bufs_free(rocker, &rocker_port->rx_ring, | |
1364 | PCI_DMA_BIDIRECTIONAL); | |
1365 | err_dma_rx_ring_bufs_alloc: | |
1366 | rocker_dma_ring_destroy(rocker, &rocker_port->rx_ring); | |
1367 | err_dma_rx_ring_create: | |
1368 | rocker_dma_ring_bufs_free(rocker, &rocker_port->tx_ring, | |
1369 | PCI_DMA_TODEVICE); | |
1370 | err_dma_tx_ring_bufs_alloc: | |
1371 | rocker_dma_ring_destroy(rocker, &rocker_port->tx_ring); | |
1372 | return err; | |
1373 | } | |
1374 | ||
1375 | static void rocker_port_dma_rings_fini(struct rocker_port *rocker_port) | |
1376 | { | |
1377 | struct rocker *rocker = rocker_port->rocker; | |
1378 | ||
534ba6a8 | 1379 | rocker_dma_rx_ring_skbs_free(rocker_port); |
4b8ac966 JP |
1380 | rocker_dma_ring_bufs_free(rocker, &rocker_port->rx_ring, |
1381 | PCI_DMA_BIDIRECTIONAL); | |
1382 | rocker_dma_ring_destroy(rocker, &rocker_port->rx_ring); | |
1383 | rocker_dma_ring_bufs_free(rocker, &rocker_port->tx_ring, | |
1384 | PCI_DMA_TODEVICE); | |
1385 | rocker_dma_ring_destroy(rocker, &rocker_port->tx_ring); | |
1386 | } | |
1387 | ||
e5054643 SH |
1388 | static void rocker_port_set_enable(const struct rocker_port *rocker_port, |
1389 | bool enable) | |
4b8ac966 JP |
1390 | { |
1391 | u64 val = rocker_read64(rocker_port->rocker, PORT_PHYS_ENABLE); | |
1392 | ||
1393 | if (enable) | |
71a83a6d | 1394 | val |= 1ULL << rocker_port->pport; |
4b8ac966 | 1395 | else |
71a83a6d | 1396 | val &= ~(1ULL << rocker_port->pport); |
4b8ac966 JP |
1397 | rocker_write64(rocker_port->rocker, PORT_PHYS_ENABLE, val); |
1398 | } | |
1399 | ||
1400 | /******************************** | |
1401 | * Interrupt handler and helpers | |
1402 | ********************************/ | |
1403 | ||
1404 | static irqreturn_t rocker_cmd_irq_handler(int irq, void *dev_id) | |
1405 | { | |
1406 | struct rocker *rocker = dev_id; | |
e5054643 | 1407 | const struct rocker_desc_info *desc_info; |
4b8ac966 JP |
1408 | struct rocker_wait *wait; |
1409 | u32 credits = 0; | |
1410 | ||
1411 | spin_lock(&rocker->cmd_ring_lock); | |
1412 | while ((desc_info = rocker_desc_tail_get(&rocker->cmd_ring))) { | |
1413 | wait = rocker_desc_cookie_ptr_get(desc_info); | |
179f9a25 SF |
1414 | if (wait->nowait) { |
1415 | rocker_desc_gen_clear(desc_info); | |
1416 | rocker_wait_destroy(SWITCHDEV_TRANS_NONE, wait); | |
1417 | } else { | |
1418 | rocker_wait_wake_up(wait); | |
1419 | } | |
4b8ac966 JP |
1420 | credits++; |
1421 | } | |
1422 | spin_unlock(&rocker->cmd_ring_lock); | |
1423 | rocker_dma_ring_credits_set(rocker, &rocker->cmd_ring, credits); | |
1424 | ||
1425 | return IRQ_HANDLED; | |
1426 | } | |
1427 | ||
e5054643 | 1428 | static void rocker_port_link_up(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1429 | { |
1430 | netif_carrier_on(rocker_port->dev); | |
1431 | netdev_info(rocker_port->dev, "Link is up\n"); | |
1432 | } | |
1433 | ||
e5054643 | 1434 | static void rocker_port_link_down(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1435 | { |
1436 | netif_carrier_off(rocker_port->dev); | |
1437 | netdev_info(rocker_port->dev, "Link is down\n"); | |
1438 | } | |
1439 | ||
e5054643 | 1440 | static int rocker_event_link_change(const struct rocker *rocker, |
4b8ac966 JP |
1441 | const struct rocker_tlv *info) |
1442 | { | |
e5054643 | 1443 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_LINK_CHANGED_MAX + 1]; |
4b8ac966 JP |
1444 | unsigned int port_number; |
1445 | bool link_up; | |
1446 | struct rocker_port *rocker_port; | |
1447 | ||
1448 | rocker_tlv_parse_nested(attrs, ROCKER_TLV_EVENT_LINK_CHANGED_MAX, info); | |
4a6bb6d3 | 1449 | if (!attrs[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT] || |
4b8ac966 JP |
1450 | !attrs[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP]) |
1451 | return -EIO; | |
1452 | port_number = | |
4a6bb6d3 | 1453 | rocker_tlv_get_u32(attrs[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT]) - 1; |
4b8ac966 JP |
1454 | link_up = rocker_tlv_get_u8(attrs[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP]); |
1455 | ||
1456 | if (port_number >= rocker->port_count) | |
1457 | return -EINVAL; | |
1458 | ||
1459 | rocker_port = rocker->ports[port_number]; | |
1460 | if (netif_carrier_ok(rocker_port->dev) != link_up) { | |
1461 | if (link_up) | |
1462 | rocker_port_link_up(rocker_port); | |
1463 | else | |
1464 | rocker_port_link_down(rocker_port); | |
1465 | } | |
1466 | ||
1467 | return 0; | |
1468 | } | |
1469 | ||
6c707945 | 1470 | static int rocker_port_fdb(struct rocker_port *rocker_port, |
c4f20321 | 1471 | enum switchdev_trans trans, |
6c707945 SF |
1472 | const unsigned char *addr, |
1473 | __be16 vlan_id, int flags); | |
1474 | ||
e5054643 | 1475 | static int rocker_event_mac_vlan_seen(const struct rocker *rocker, |
6c707945 SF |
1476 | const struct rocker_tlv *info) |
1477 | { | |
e5054643 | 1478 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAX + 1]; |
6c707945 SF |
1479 | unsigned int port_number; |
1480 | struct rocker_port *rocker_port; | |
e5054643 | 1481 | const unsigned char *addr; |
92014b97 | 1482 | int flags = ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_LEARNED; |
6c707945 SF |
1483 | __be16 vlan_id; |
1484 | ||
1485 | rocker_tlv_parse_nested(attrs, ROCKER_TLV_EVENT_MAC_VLAN_MAX, info); | |
4a6bb6d3 | 1486 | if (!attrs[ROCKER_TLV_EVENT_MAC_VLAN_PPORT] || |
6c707945 SF |
1487 | !attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAC] || |
1488 | !attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]) | |
1489 | return -EIO; | |
1490 | port_number = | |
4a6bb6d3 | 1491 | rocker_tlv_get_u32(attrs[ROCKER_TLV_EVENT_MAC_VLAN_PPORT]) - 1; |
6c707945 | 1492 | addr = rocker_tlv_data(attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAC]); |
9b03c71f | 1493 | vlan_id = rocker_tlv_get_be16(attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]); |
6c707945 SF |
1494 | |
1495 | if (port_number >= rocker->port_count) | |
1496 | return -EINVAL; | |
1497 | ||
1498 | rocker_port = rocker->ports[port_number]; | |
1499 | ||
1500 | if (rocker_port->stp_state != BR_STATE_LEARNING && | |
1501 | rocker_port->stp_state != BR_STATE_FORWARDING) | |
1502 | return 0; | |
1503 | ||
92014b97 SF |
1504 | return rocker_port_fdb(rocker_port, SWITCHDEV_TRANS_NONE, |
1505 | addr, vlan_id, flags); | |
6c707945 | 1506 | } |
9f6bbf7c | 1507 | |
e5054643 SH |
1508 | static int rocker_event_process(const struct rocker *rocker, |
1509 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 1510 | { |
e5054643 SH |
1511 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_MAX + 1]; |
1512 | const struct rocker_tlv *info; | |
4b8ac966 JP |
1513 | u16 type; |
1514 | ||
1515 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_EVENT_MAX, desc_info); | |
1516 | if (!attrs[ROCKER_TLV_EVENT_TYPE] || | |
1517 | !attrs[ROCKER_TLV_EVENT_INFO]) | |
1518 | return -EIO; | |
1519 | ||
1520 | type = rocker_tlv_get_u16(attrs[ROCKER_TLV_EVENT_TYPE]); | |
1521 | info = attrs[ROCKER_TLV_EVENT_INFO]; | |
1522 | ||
1523 | switch (type) { | |
1524 | case ROCKER_TLV_EVENT_TYPE_LINK_CHANGED: | |
1525 | return rocker_event_link_change(rocker, info); | |
6c707945 SF |
1526 | case ROCKER_TLV_EVENT_TYPE_MAC_VLAN_SEEN: |
1527 | return rocker_event_mac_vlan_seen(rocker, info); | |
4b8ac966 JP |
1528 | } |
1529 | ||
1530 | return -EOPNOTSUPP; | |
1531 | } | |
1532 | ||
1533 | static irqreturn_t rocker_event_irq_handler(int irq, void *dev_id) | |
1534 | { | |
1535 | struct rocker *rocker = dev_id; | |
e5054643 SH |
1536 | const struct pci_dev *pdev = rocker->pdev; |
1537 | const struct rocker_desc_info *desc_info; | |
4b8ac966 JP |
1538 | u32 credits = 0; |
1539 | int err; | |
1540 | ||
1541 | while ((desc_info = rocker_desc_tail_get(&rocker->event_ring))) { | |
1542 | err = rocker_desc_err(desc_info); | |
1543 | if (err) { | |
1544 | dev_err(&pdev->dev, "event desc received with err %d\n", | |
1545 | err); | |
1546 | } else { | |
1547 | err = rocker_event_process(rocker, desc_info); | |
1548 | if (err) | |
1549 | dev_err(&pdev->dev, "event processing failed with err %d\n", | |
1550 | err); | |
1551 | } | |
1552 | rocker_desc_gen_clear(desc_info); | |
1553 | rocker_desc_head_set(rocker, &rocker->event_ring, desc_info); | |
1554 | credits++; | |
1555 | } | |
1556 | rocker_dma_ring_credits_set(rocker, &rocker->event_ring, credits); | |
1557 | ||
1558 | return IRQ_HANDLED; | |
1559 | } | |
1560 | ||
1561 | static irqreturn_t rocker_tx_irq_handler(int irq, void *dev_id) | |
1562 | { | |
1563 | struct rocker_port *rocker_port = dev_id; | |
1564 | ||
1565 | napi_schedule(&rocker_port->napi_tx); | |
1566 | return IRQ_HANDLED; | |
1567 | } | |
1568 | ||
1569 | static irqreturn_t rocker_rx_irq_handler(int irq, void *dev_id) | |
1570 | { | |
1571 | struct rocker_port *rocker_port = dev_id; | |
1572 | ||
1573 | napi_schedule(&rocker_port->napi_rx); | |
1574 | return IRQ_HANDLED; | |
1575 | } | |
1576 | ||
1577 | /******************** | |
1578 | * Command interface | |
1579 | ********************/ | |
1580 | ||
534ba6a8 | 1581 | typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port, |
e5054643 SH |
1582 | struct rocker_desc_info *desc_info, |
1583 | void *priv); | |
1584 | ||
534ba6a8 | 1585 | typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port, |
e5054643 SH |
1586 | const struct rocker_desc_info *desc_info, |
1587 | void *priv); | |
4b8ac966 | 1588 | |
534ba6a8 | 1589 | static int rocker_cmd_exec(struct rocker_port *rocker_port, |
179f9a25 | 1590 | enum switchdev_trans trans, int flags, |
e5054643 SH |
1591 | rocker_cmd_prep_cb_t prepare, void *prepare_priv, |
1592 | rocker_cmd_proc_cb_t process, void *process_priv) | |
4b8ac966 | 1593 | { |
534ba6a8 | 1594 | struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1595 | struct rocker_desc_info *desc_info; |
1596 | struct rocker_wait *wait; | |
179f9a25 SF |
1597 | bool nowait = !!(flags & ROCKER_OP_FLAG_NOWAIT); |
1598 | unsigned long lock_flags; | |
4b8ac966 JP |
1599 | int err; |
1600 | ||
179f9a25 | 1601 | wait = rocker_wait_create(rocker_port, trans, flags); |
4b8ac966 JP |
1602 | if (!wait) |
1603 | return -ENOMEM; | |
179f9a25 | 1604 | wait->nowait = nowait; |
4b8ac966 | 1605 | |
179f9a25 | 1606 | spin_lock_irqsave(&rocker->cmd_ring_lock, lock_flags); |
c4f20321 | 1607 | |
4b8ac966 JP |
1608 | desc_info = rocker_desc_head_get(&rocker->cmd_ring); |
1609 | if (!desc_info) { | |
179f9a25 | 1610 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
4b8ac966 JP |
1611 | err = -EAGAIN; |
1612 | goto out; | |
1613 | } | |
c4f20321 | 1614 | |
534ba6a8 | 1615 | err = prepare(rocker_port, desc_info, prepare_priv); |
4b8ac966 | 1616 | if (err) { |
179f9a25 | 1617 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
4b8ac966 JP |
1618 | goto out; |
1619 | } | |
c4f20321 | 1620 | |
4b8ac966 | 1621 | rocker_desc_cookie_ptr_set(desc_info, wait); |
4b8ac966 | 1622 | |
c4f20321 SF |
1623 | if (trans != SWITCHDEV_TRANS_PREPARE) |
1624 | rocker_desc_head_set(rocker, &rocker->cmd_ring, desc_info); | |
4b8ac966 | 1625 | |
179f9a25 SF |
1626 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
1627 | ||
1628 | if (nowait) | |
1629 | return 0; | |
c4f20321 SF |
1630 | |
1631 | if (trans != SWITCHDEV_TRANS_PREPARE) | |
1632 | if (!rocker_wait_event_timeout(wait, HZ / 10)) | |
1633 | return -EIO; | |
4b8ac966 JP |
1634 | |
1635 | err = rocker_desc_err(desc_info); | |
1636 | if (err) | |
1637 | return err; | |
1638 | ||
1639 | if (process) | |
534ba6a8 | 1640 | err = process(rocker_port, desc_info, process_priv); |
4b8ac966 JP |
1641 | |
1642 | rocker_desc_gen_clear(desc_info); | |
1643 | out: | |
0985df73 | 1644 | rocker_wait_destroy(trans, wait); |
4b8ac966 JP |
1645 | return err; |
1646 | } | |
1647 | ||
1648 | static int | |
534ba6a8 | 1649 | rocker_cmd_get_port_settings_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1650 | struct rocker_desc_info *desc_info, |
1651 | void *priv) | |
1652 | { | |
1653 | struct rocker_tlv *cmd_info; | |
1654 | ||
1655 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1656 | ROCKER_TLV_CMD_TYPE_GET_PORT_SETTINGS)) | |
1657 | return -EMSGSIZE; | |
1658 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1659 | if (!cmd_info) | |
1660 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1661 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1662 | rocker_port->pport)) | |
4b8ac966 JP |
1663 | return -EMSGSIZE; |
1664 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | static int | |
534ba6a8 | 1669 | rocker_cmd_get_port_settings_ethtool_proc(const struct rocker_port *rocker_port, |
e5054643 | 1670 | const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
1671 | void *priv) |
1672 | { | |
1673 | struct ethtool_cmd *ecmd = priv; | |
e5054643 SH |
1674 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
1675 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; | |
4b8ac966 JP |
1676 | u32 speed; |
1677 | u8 duplex; | |
1678 | u8 autoneg; | |
1679 | ||
1680 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1681 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1682 | return -EIO; | |
1683 | ||
1684 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1685 | attrs[ROCKER_TLV_CMD_INFO]); | |
1686 | if (!info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_SPEED] || | |
1687 | !info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX] || | |
1688 | !info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG]) | |
1689 | return -EIO; | |
1690 | ||
1691 | speed = rocker_tlv_get_u32(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_SPEED]); | |
1692 | duplex = rocker_tlv_get_u8(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX]); | |
1693 | autoneg = rocker_tlv_get_u8(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG]); | |
1694 | ||
1695 | ecmd->transceiver = XCVR_INTERNAL; | |
1696 | ecmd->supported = SUPPORTED_TP; | |
1697 | ecmd->phy_address = 0xff; | |
1698 | ecmd->port = PORT_TP; | |
1699 | ethtool_cmd_speed_set(ecmd, speed); | |
1700 | ecmd->duplex = duplex ? DUPLEX_FULL : DUPLEX_HALF; | |
1701 | ecmd->autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
1702 | ||
1703 | return 0; | |
1704 | } | |
1705 | ||
1706 | static int | |
534ba6a8 | 1707 | rocker_cmd_get_port_settings_macaddr_proc(const struct rocker_port *rocker_port, |
e5054643 | 1708 | const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
1709 | void *priv) |
1710 | { | |
1711 | unsigned char *macaddr = priv; | |
e5054643 SH |
1712 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
1713 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; | |
1714 | const struct rocker_tlv *attr; | |
4b8ac966 JP |
1715 | |
1716 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1717 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1718 | return -EIO; | |
1719 | ||
1720 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1721 | attrs[ROCKER_TLV_CMD_INFO]); | |
1722 | attr = info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR]; | |
1723 | if (!attr) | |
1724 | return -EIO; | |
1725 | ||
1726 | if (rocker_tlv_len(attr) != ETH_ALEN) | |
1727 | return -EINVAL; | |
1728 | ||
1729 | ether_addr_copy(macaddr, rocker_tlv_data(attr)); | |
1730 | return 0; | |
1731 | } | |
1732 | ||
db19170b DA |
1733 | struct port_name { |
1734 | char *buf; | |
1735 | size_t len; | |
1736 | }; | |
1737 | ||
1738 | static int | |
534ba6a8 | 1739 | rocker_cmd_get_port_settings_phys_name_proc(const struct rocker_port *rocker_port, |
e5054643 | 1740 | const struct rocker_desc_info *desc_info, |
db19170b DA |
1741 | void *priv) |
1742 | { | |
e5054643 SH |
1743 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; |
1744 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; | |
db19170b | 1745 | struct port_name *name = priv; |
e5054643 | 1746 | const struct rocker_tlv *attr; |
db19170b | 1747 | size_t i, j, len; |
e5054643 | 1748 | const char *str; |
db19170b DA |
1749 | |
1750 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1751 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1752 | return -EIO; | |
1753 | ||
1754 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1755 | attrs[ROCKER_TLV_CMD_INFO]); | |
1756 | attr = info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_PHYS_NAME]; | |
1757 | if (!attr) | |
1758 | return -EIO; | |
1759 | ||
1760 | len = min_t(size_t, rocker_tlv_len(attr), name->len); | |
1761 | str = rocker_tlv_data(attr); | |
1762 | ||
1763 | /* make sure name only contains alphanumeric characters */ | |
1764 | for (i = j = 0; i < len; ++i) { | |
1765 | if (isalnum(str[i])) { | |
1766 | name->buf[j] = str[i]; | |
1767 | j++; | |
1768 | } | |
1769 | } | |
1770 | ||
1771 | if (j == 0) | |
1772 | return -EIO; | |
1773 | ||
1774 | name->buf[j] = '\0'; | |
1775 | ||
1776 | return 0; | |
1777 | } | |
1778 | ||
4b8ac966 | 1779 | static int |
534ba6a8 | 1780 | rocker_cmd_set_port_settings_ethtool_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1781 | struct rocker_desc_info *desc_info, |
1782 | void *priv) | |
1783 | { | |
1784 | struct ethtool_cmd *ecmd = priv; | |
1785 | struct rocker_tlv *cmd_info; | |
1786 | ||
1787 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1788 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1789 | return -EMSGSIZE; | |
1790 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1791 | if (!cmd_info) | |
1792 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1793 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1794 | rocker_port->pport)) | |
4b8ac966 JP |
1795 | return -EMSGSIZE; |
1796 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_SPEED, | |
1797 | ethtool_cmd_speed(ecmd))) | |
1798 | return -EMSGSIZE; | |
1799 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX, | |
1800 | ecmd->duplex)) | |
1801 | return -EMSGSIZE; | |
1802 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG, | |
1803 | ecmd->autoneg)) | |
1804 | return -EMSGSIZE; | |
1805 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1806 | return 0; | |
1807 | } | |
1808 | ||
1809 | static int | |
534ba6a8 | 1810 | rocker_cmd_set_port_settings_macaddr_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1811 | struct rocker_desc_info *desc_info, |
1812 | void *priv) | |
1813 | { | |
e5054643 | 1814 | const unsigned char *macaddr = priv; |
4b8ac966 JP |
1815 | struct rocker_tlv *cmd_info; |
1816 | ||
1817 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1818 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1819 | return -EMSGSIZE; | |
1820 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1821 | if (!cmd_info) | |
1822 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1823 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1824 | rocker_port->pport)) | |
4b8ac966 JP |
1825 | return -EMSGSIZE; |
1826 | if (rocker_tlv_put(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR, | |
1827 | ETH_ALEN, macaddr)) | |
1828 | return -EMSGSIZE; | |
1829 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1830 | return 0; | |
1831 | } | |
1832 | ||
77a58c74 SF |
1833 | static int |
1834 | rocker_cmd_set_port_settings_mtu_prep(const struct rocker_port *rocker_port, | |
1835 | struct rocker_desc_info *desc_info, | |
1836 | void *priv) | |
1837 | { | |
1838 | int mtu = *(int *)priv; | |
1839 | struct rocker_tlv *cmd_info; | |
1840 | ||
1841 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1842 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1843 | return -EMSGSIZE; | |
1844 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1845 | if (!cmd_info) | |
1846 | return -EMSGSIZE; | |
1847 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, | |
1848 | rocker_port->pport)) | |
1849 | return -EMSGSIZE; | |
1850 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_MTU, | |
1851 | mtu)) | |
1852 | return -EMSGSIZE; | |
1853 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1854 | return 0; | |
1855 | } | |
1856 | ||
5111f80c | 1857 | static int |
534ba6a8 | 1858 | rocker_cmd_set_port_learning_prep(const struct rocker_port *rocker_port, |
5111f80c SF |
1859 | struct rocker_desc_info *desc_info, |
1860 | void *priv) | |
1861 | { | |
1862 | struct rocker_tlv *cmd_info; | |
1863 | ||
1864 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1865 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1866 | return -EMSGSIZE; | |
1867 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1868 | if (!cmd_info) | |
1869 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1870 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1871 | rocker_port->pport)) | |
5111f80c SF |
1872 | return -EMSGSIZE; |
1873 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING, | |
1874 | !!(rocker_port->brport_flags & BR_LEARNING))) | |
1875 | return -EMSGSIZE; | |
1876 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1877 | return 0; | |
1878 | } | |
1879 | ||
4b8ac966 JP |
1880 | static int rocker_cmd_get_port_settings_ethtool(struct rocker_port *rocker_port, |
1881 | struct ethtool_cmd *ecmd) | |
1882 | { | |
179f9a25 | 1883 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 JP |
1884 | rocker_cmd_get_port_settings_prep, NULL, |
1885 | rocker_cmd_get_port_settings_ethtool_proc, | |
c4f20321 | 1886 | ecmd); |
4b8ac966 JP |
1887 | } |
1888 | ||
1889 | static int rocker_cmd_get_port_settings_macaddr(struct rocker_port *rocker_port, | |
1890 | unsigned char *macaddr) | |
1891 | { | |
179f9a25 | 1892 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 JP |
1893 | rocker_cmd_get_port_settings_prep, NULL, |
1894 | rocker_cmd_get_port_settings_macaddr_proc, | |
c4f20321 | 1895 | macaddr); |
4b8ac966 JP |
1896 | } |
1897 | ||
1898 | static int rocker_cmd_set_port_settings_ethtool(struct rocker_port *rocker_port, | |
1899 | struct ethtool_cmd *ecmd) | |
1900 | { | |
179f9a25 | 1901 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 | 1902 | rocker_cmd_set_port_settings_ethtool_prep, |
c4f20321 | 1903 | ecmd, NULL, NULL); |
4b8ac966 JP |
1904 | } |
1905 | ||
1906 | static int rocker_cmd_set_port_settings_macaddr(struct rocker_port *rocker_port, | |
1907 | unsigned char *macaddr) | |
1908 | { | |
179f9a25 | 1909 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 | 1910 | rocker_cmd_set_port_settings_macaddr_prep, |
c4f20321 | 1911 | macaddr, NULL, NULL); |
4b8ac966 JP |
1912 | } |
1913 | ||
77a58c74 SF |
1914 | static int rocker_cmd_set_port_settings_mtu(struct rocker_port *rocker_port, |
1915 | int mtu) | |
1916 | { | |
1917 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, | |
1918 | rocker_cmd_set_port_settings_mtu_prep, | |
1919 | &mtu, NULL, NULL); | |
1920 | } | |
1921 | ||
c4f20321 SF |
1922 | static int rocker_port_set_learning(struct rocker_port *rocker_port, |
1923 | enum switchdev_trans trans) | |
5111f80c | 1924 | { |
179f9a25 | 1925 | return rocker_cmd_exec(rocker_port, trans, 0, |
5111f80c | 1926 | rocker_cmd_set_port_learning_prep, |
c4f20321 | 1927 | NULL, NULL, NULL); |
5111f80c SF |
1928 | } |
1929 | ||
e5054643 SH |
1930 | static int |
1931 | rocker_cmd_flow_tbl_add_ig_port(struct rocker_desc_info *desc_info, | |
1932 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1933 | { |
4a6bb6d3 SF |
1934 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1935 | entry->key.ig_port.in_pport)) | |
9f6bbf7c | 1936 | return -EMSGSIZE; |
4a6bb6d3 SF |
1937 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
1938 | entry->key.ig_port.in_pport_mask)) | |
9f6bbf7c SF |
1939 | return -EMSGSIZE; |
1940 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1941 | entry->key.ig_port.goto_tbl)) | |
1942 | return -EMSGSIZE; | |
1943 | ||
1944 | return 0; | |
1945 | } | |
1946 | ||
e5054643 SH |
1947 | static int |
1948 | rocker_cmd_flow_tbl_add_vlan(struct rocker_desc_info *desc_info, | |
1949 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1950 | { |
4a6bb6d3 SF |
1951 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1952 | entry->key.vlan.in_pport)) | |
9f6bbf7c | 1953 | return -EMSGSIZE; |
9b03c71f JP |
1954 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
1955 | entry->key.vlan.vlan_id)) | |
9f6bbf7c | 1956 | return -EMSGSIZE; |
9b03c71f JP |
1957 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
1958 | entry->key.vlan.vlan_id_mask)) | |
9f6bbf7c SF |
1959 | return -EMSGSIZE; |
1960 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1961 | entry->key.vlan.goto_tbl)) | |
1962 | return -EMSGSIZE; | |
1963 | if (entry->key.vlan.untagged && | |
9b03c71f JP |
1964 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_NEW_VLAN_ID, |
1965 | entry->key.vlan.new_vlan_id)) | |
9f6bbf7c SF |
1966 | return -EMSGSIZE; |
1967 | ||
1968 | return 0; | |
1969 | } | |
1970 | ||
e5054643 SH |
1971 | static int |
1972 | rocker_cmd_flow_tbl_add_term_mac(struct rocker_desc_info *desc_info, | |
1973 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1974 | { |
4a6bb6d3 SF |
1975 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1976 | entry->key.term_mac.in_pport)) | |
9f6bbf7c | 1977 | return -EMSGSIZE; |
4a6bb6d3 SF |
1978 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
1979 | entry->key.term_mac.in_pport_mask)) | |
9f6bbf7c | 1980 | return -EMSGSIZE; |
9b03c71f JP |
1981 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
1982 | entry->key.term_mac.eth_type)) | |
9f6bbf7c SF |
1983 | return -EMSGSIZE; |
1984 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
1985 | ETH_ALEN, entry->key.term_mac.eth_dst)) | |
1986 | return -EMSGSIZE; | |
1987 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
1988 | ETH_ALEN, entry->key.term_mac.eth_dst_mask)) | |
1989 | return -EMSGSIZE; | |
9b03c71f JP |
1990 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
1991 | entry->key.term_mac.vlan_id)) | |
9f6bbf7c | 1992 | return -EMSGSIZE; |
9b03c71f JP |
1993 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
1994 | entry->key.term_mac.vlan_id_mask)) | |
9f6bbf7c SF |
1995 | return -EMSGSIZE; |
1996 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1997 | entry->key.term_mac.goto_tbl)) | |
1998 | return -EMSGSIZE; | |
1999 | if (entry->key.term_mac.copy_to_cpu && | |
2000 | rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_COPY_CPU_ACTION, | |
2001 | entry->key.term_mac.copy_to_cpu)) | |
2002 | return -EMSGSIZE; | |
2003 | ||
2004 | return 0; | |
2005 | } | |
2006 | ||
2007 | static int | |
2008 | rocker_cmd_flow_tbl_add_ucast_routing(struct rocker_desc_info *desc_info, | |
e5054643 | 2009 | const struct rocker_flow_tbl_entry *entry) |
9f6bbf7c | 2010 | { |
9b03c71f JP |
2011 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
2012 | entry->key.ucast_routing.eth_type)) | |
9f6bbf7c | 2013 | return -EMSGSIZE; |
9b03c71f JP |
2014 | if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP, |
2015 | entry->key.ucast_routing.dst4)) | |
9f6bbf7c | 2016 | return -EMSGSIZE; |
9b03c71f JP |
2017 | if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP_MASK, |
2018 | entry->key.ucast_routing.dst4_mask)) | |
9f6bbf7c SF |
2019 | return -EMSGSIZE; |
2020 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
2021 | entry->key.ucast_routing.goto_tbl)) | |
2022 | return -EMSGSIZE; | |
2023 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2024 | entry->key.ucast_routing.group_id)) | |
2025 | return -EMSGSIZE; | |
2026 | ||
2027 | return 0; | |
2028 | } | |
2029 | ||
e5054643 SH |
2030 | static int |
2031 | rocker_cmd_flow_tbl_add_bridge(struct rocker_desc_info *desc_info, | |
2032 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c SF |
2033 | { |
2034 | if (entry->key.bridge.has_eth_dst && | |
2035 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2036 | ETH_ALEN, entry->key.bridge.eth_dst)) | |
2037 | return -EMSGSIZE; | |
2038 | if (entry->key.bridge.has_eth_dst_mask && | |
2039 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
2040 | ETH_ALEN, entry->key.bridge.eth_dst_mask)) | |
2041 | return -EMSGSIZE; | |
2042 | if (entry->key.bridge.vlan_id && | |
9b03c71f JP |
2043 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2044 | entry->key.bridge.vlan_id)) | |
9f6bbf7c SF |
2045 | return -EMSGSIZE; |
2046 | if (entry->key.bridge.tunnel_id && | |
2047 | rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_TUNNEL_ID, | |
2048 | entry->key.bridge.tunnel_id)) | |
2049 | return -EMSGSIZE; | |
2050 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
2051 | entry->key.bridge.goto_tbl)) | |
2052 | return -EMSGSIZE; | |
2053 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2054 | entry->key.bridge.group_id)) | |
2055 | return -EMSGSIZE; | |
2056 | if (entry->key.bridge.copy_to_cpu && | |
2057 | rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_COPY_CPU_ACTION, | |
2058 | entry->key.bridge.copy_to_cpu)) | |
2059 | return -EMSGSIZE; | |
2060 | ||
2061 | return 0; | |
2062 | } | |
2063 | ||
e5054643 SH |
2064 | static int |
2065 | rocker_cmd_flow_tbl_add_acl(struct rocker_desc_info *desc_info, | |
2066 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 2067 | { |
4a6bb6d3 SF |
2068 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
2069 | entry->key.acl.in_pport)) | |
9f6bbf7c | 2070 | return -EMSGSIZE; |
4a6bb6d3 SF |
2071 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
2072 | entry->key.acl.in_pport_mask)) | |
9f6bbf7c SF |
2073 | return -EMSGSIZE; |
2074 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2075 | ETH_ALEN, entry->key.acl.eth_src)) | |
2076 | return -EMSGSIZE; | |
2077 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC_MASK, | |
2078 | ETH_ALEN, entry->key.acl.eth_src_mask)) | |
2079 | return -EMSGSIZE; | |
2080 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2081 | ETH_ALEN, entry->key.acl.eth_dst)) | |
2082 | return -EMSGSIZE; | |
2083 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
2084 | ETH_ALEN, entry->key.acl.eth_dst_mask)) | |
2085 | return -EMSGSIZE; | |
9b03c71f JP |
2086 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
2087 | entry->key.acl.eth_type)) | |
9f6bbf7c | 2088 | return -EMSGSIZE; |
9b03c71f JP |
2089 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2090 | entry->key.acl.vlan_id)) | |
9f6bbf7c | 2091 | return -EMSGSIZE; |
9b03c71f JP |
2092 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
2093 | entry->key.acl.vlan_id_mask)) | |
9f6bbf7c SF |
2094 | return -EMSGSIZE; |
2095 | ||
2096 | switch (ntohs(entry->key.acl.eth_type)) { | |
2097 | case ETH_P_IP: | |
2098 | case ETH_P_IPV6: | |
2099 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_PROTO, | |
2100 | entry->key.acl.ip_proto)) | |
2101 | return -EMSGSIZE; | |
2102 | if (rocker_tlv_put_u8(desc_info, | |
2103 | ROCKER_TLV_OF_DPA_IP_PROTO_MASK, | |
2104 | entry->key.acl.ip_proto_mask)) | |
2105 | return -EMSGSIZE; | |
2106 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_DSCP, | |
2107 | entry->key.acl.ip_tos & 0x3f)) | |
2108 | return -EMSGSIZE; | |
2109 | if (rocker_tlv_put_u8(desc_info, | |
2110 | ROCKER_TLV_OF_DPA_IP_DSCP_MASK, | |
2111 | entry->key.acl.ip_tos_mask & 0x3f)) | |
2112 | return -EMSGSIZE; | |
2113 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_ECN, | |
2114 | (entry->key.acl.ip_tos & 0xc0) >> 6)) | |
2115 | return -EMSGSIZE; | |
2116 | if (rocker_tlv_put_u8(desc_info, | |
2117 | ROCKER_TLV_OF_DPA_IP_ECN_MASK, | |
2118 | (entry->key.acl.ip_tos_mask & 0xc0) >> 6)) | |
2119 | return -EMSGSIZE; | |
2120 | break; | |
2121 | } | |
2122 | ||
2123 | if (entry->key.acl.group_id != ROCKER_GROUP_NONE && | |
2124 | rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2125 | entry->key.acl.group_id)) | |
2126 | return -EMSGSIZE; | |
2127 | ||
2128 | return 0; | |
2129 | } | |
2130 | ||
534ba6a8 | 2131 | static int rocker_cmd_flow_tbl_add(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2132 | struct rocker_desc_info *desc_info, |
2133 | void *priv) | |
2134 | { | |
e5054643 | 2135 | const struct rocker_flow_tbl_entry *entry = priv; |
9f6bbf7c SF |
2136 | struct rocker_tlv *cmd_info; |
2137 | int err = 0; | |
2138 | ||
c1beeef7 | 2139 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) |
9f6bbf7c SF |
2140 | return -EMSGSIZE; |
2141 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2142 | if (!cmd_info) | |
2143 | return -EMSGSIZE; | |
2144 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_TABLE_ID, | |
2145 | entry->key.tbl_id)) | |
2146 | return -EMSGSIZE; | |
2147 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_PRIORITY, | |
2148 | entry->key.priority)) | |
2149 | return -EMSGSIZE; | |
2150 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_HARDTIME, 0)) | |
2151 | return -EMSGSIZE; | |
2152 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_OF_DPA_COOKIE, | |
2153 | entry->cookie)) | |
2154 | return -EMSGSIZE; | |
2155 | ||
2156 | switch (entry->key.tbl_id) { | |
2157 | case ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT: | |
2158 | err = rocker_cmd_flow_tbl_add_ig_port(desc_info, entry); | |
2159 | break; | |
2160 | case ROCKER_OF_DPA_TABLE_ID_VLAN: | |
2161 | err = rocker_cmd_flow_tbl_add_vlan(desc_info, entry); | |
2162 | break; | |
2163 | case ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC: | |
2164 | err = rocker_cmd_flow_tbl_add_term_mac(desc_info, entry); | |
2165 | break; | |
2166 | case ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING: | |
2167 | err = rocker_cmd_flow_tbl_add_ucast_routing(desc_info, entry); | |
2168 | break; | |
2169 | case ROCKER_OF_DPA_TABLE_ID_BRIDGING: | |
2170 | err = rocker_cmd_flow_tbl_add_bridge(desc_info, entry); | |
2171 | break; | |
2172 | case ROCKER_OF_DPA_TABLE_ID_ACL_POLICY: | |
2173 | err = rocker_cmd_flow_tbl_add_acl(desc_info, entry); | |
2174 | break; | |
2175 | default: | |
2176 | err = -ENOTSUPP; | |
2177 | break; | |
2178 | } | |
2179 | ||
2180 | if (err) | |
2181 | return err; | |
2182 | ||
2183 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2184 | ||
2185 | return 0; | |
2186 | } | |
2187 | ||
534ba6a8 | 2188 | static int rocker_cmd_flow_tbl_del(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2189 | struct rocker_desc_info *desc_info, |
2190 | void *priv) | |
2191 | { | |
2192 | const struct rocker_flow_tbl_entry *entry = priv; | |
2193 | struct rocker_tlv *cmd_info; | |
2194 | ||
c1beeef7 | 2195 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) |
9f6bbf7c SF |
2196 | return -EMSGSIZE; |
2197 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2198 | if (!cmd_info) | |
2199 | return -EMSGSIZE; | |
2200 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_OF_DPA_COOKIE, | |
2201 | entry->cookie)) | |
2202 | return -EMSGSIZE; | |
2203 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2204 | ||
2205 | return 0; | |
2206 | } | |
2207 | ||
2208 | static int | |
2209 | rocker_cmd_group_tbl_add_l2_interface(struct rocker_desc_info *desc_info, | |
2210 | struct rocker_group_tbl_entry *entry) | |
2211 | { | |
4a6bb6d3 | 2212 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_OUT_PPORT, |
9f6bbf7c SF |
2213 | ROCKER_GROUP_PORT_GET(entry->group_id))) |
2214 | return -EMSGSIZE; | |
2215 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_POP_VLAN, | |
2216 | entry->l2_interface.pop_vlan)) | |
2217 | return -EMSGSIZE; | |
2218 | ||
2219 | return 0; | |
2220 | } | |
2221 | ||
2222 | static int | |
2223 | rocker_cmd_group_tbl_add_l2_rewrite(struct rocker_desc_info *desc_info, | |
e5054643 | 2224 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2225 | { |
2226 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER, | |
2227 | entry->l2_rewrite.group_id)) | |
2228 | return -EMSGSIZE; | |
2229 | if (!is_zero_ether_addr(entry->l2_rewrite.eth_src) && | |
2230 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2231 | ETH_ALEN, entry->l2_rewrite.eth_src)) | |
2232 | return -EMSGSIZE; | |
2233 | if (!is_zero_ether_addr(entry->l2_rewrite.eth_dst) && | |
2234 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2235 | ETH_ALEN, entry->l2_rewrite.eth_dst)) | |
2236 | return -EMSGSIZE; | |
2237 | if (entry->l2_rewrite.vlan_id && | |
9b03c71f JP |
2238 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2239 | entry->l2_rewrite.vlan_id)) | |
9f6bbf7c SF |
2240 | return -EMSGSIZE; |
2241 | ||
2242 | return 0; | |
2243 | } | |
2244 | ||
2245 | static int | |
2246 | rocker_cmd_group_tbl_add_group_ids(struct rocker_desc_info *desc_info, | |
e5054643 | 2247 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2248 | { |
2249 | int i; | |
2250 | struct rocker_tlv *group_ids; | |
2251 | ||
2252 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GROUP_COUNT, | |
2253 | entry->group_count)) | |
2254 | return -EMSGSIZE; | |
2255 | ||
2256 | group_ids = rocker_tlv_nest_start(desc_info, | |
2257 | ROCKER_TLV_OF_DPA_GROUP_IDS); | |
2258 | if (!group_ids) | |
2259 | return -EMSGSIZE; | |
2260 | ||
2261 | for (i = 0; i < entry->group_count; i++) | |
2262 | /* Note TLV array is 1-based */ | |
2263 | if (rocker_tlv_put_u32(desc_info, i + 1, entry->group_ids[i])) | |
2264 | return -EMSGSIZE; | |
2265 | ||
2266 | rocker_tlv_nest_end(desc_info, group_ids); | |
2267 | ||
2268 | return 0; | |
2269 | } | |
2270 | ||
2271 | static int | |
2272 | rocker_cmd_group_tbl_add_l3_unicast(struct rocker_desc_info *desc_info, | |
e5054643 | 2273 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2274 | { |
2275 | if (!is_zero_ether_addr(entry->l3_unicast.eth_src) && | |
2276 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2277 | ETH_ALEN, entry->l3_unicast.eth_src)) | |
2278 | return -EMSGSIZE; | |
2279 | if (!is_zero_ether_addr(entry->l3_unicast.eth_dst) && | |
2280 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2281 | ETH_ALEN, entry->l3_unicast.eth_dst)) | |
2282 | return -EMSGSIZE; | |
2283 | if (entry->l3_unicast.vlan_id && | |
9b03c71f JP |
2284 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2285 | entry->l3_unicast.vlan_id)) | |
9f6bbf7c SF |
2286 | return -EMSGSIZE; |
2287 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_TTL_CHECK, | |
2288 | entry->l3_unicast.ttl_check)) | |
2289 | return -EMSGSIZE; | |
2290 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER, | |
2291 | entry->l3_unicast.group_id)) | |
2292 | return -EMSGSIZE; | |
2293 | ||
2294 | return 0; | |
2295 | } | |
2296 | ||
534ba6a8 | 2297 | static int rocker_cmd_group_tbl_add(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2298 | struct rocker_desc_info *desc_info, |
2299 | void *priv) | |
2300 | { | |
2301 | struct rocker_group_tbl_entry *entry = priv; | |
2302 | struct rocker_tlv *cmd_info; | |
2303 | int err = 0; | |
2304 | ||
2305 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) | |
2306 | return -EMSGSIZE; | |
2307 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2308 | if (!cmd_info) | |
2309 | return -EMSGSIZE; | |
2310 | ||
2311 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2312 | entry->group_id)) | |
2313 | return -EMSGSIZE; | |
2314 | ||
2315 | switch (ROCKER_GROUP_TYPE_GET(entry->group_id)) { | |
2316 | case ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE: | |
2317 | err = rocker_cmd_group_tbl_add_l2_interface(desc_info, entry); | |
2318 | break; | |
2319 | case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE: | |
2320 | err = rocker_cmd_group_tbl_add_l2_rewrite(desc_info, entry); | |
2321 | break; | |
2322 | case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: | |
2323 | case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: | |
2324 | err = rocker_cmd_group_tbl_add_group_ids(desc_info, entry); | |
2325 | break; | |
2326 | case ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST: | |
2327 | err = rocker_cmd_group_tbl_add_l3_unicast(desc_info, entry); | |
2328 | break; | |
2329 | default: | |
2330 | err = -ENOTSUPP; | |
2331 | break; | |
2332 | } | |
2333 | ||
2334 | if (err) | |
2335 | return err; | |
2336 | ||
2337 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2338 | ||
2339 | return 0; | |
2340 | } | |
2341 | ||
534ba6a8 | 2342 | static int rocker_cmd_group_tbl_del(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2343 | struct rocker_desc_info *desc_info, |
2344 | void *priv) | |
2345 | { | |
2346 | const struct rocker_group_tbl_entry *entry = priv; | |
2347 | struct rocker_tlv *cmd_info; | |
2348 | ||
2349 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) | |
2350 | return -EMSGSIZE; | |
2351 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2352 | if (!cmd_info) | |
2353 | return -EMSGSIZE; | |
2354 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2355 | entry->group_id)) | |
2356 | return -EMSGSIZE; | |
2357 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2358 | ||
2359 | return 0; | |
2360 | } | |
2361 | ||
c1beeef7 SF |
2362 | /*************************************************** |
2363 | * Flow, group, FDB, internal VLAN and neigh tables | |
2364 | ***************************************************/ | |
9f6bbf7c SF |
2365 | |
2366 | static int rocker_init_tbls(struct rocker *rocker) | |
2367 | { | |
2368 | hash_init(rocker->flow_tbl); | |
2369 | spin_lock_init(&rocker->flow_tbl_lock); | |
2370 | ||
2371 | hash_init(rocker->group_tbl); | |
2372 | spin_lock_init(&rocker->group_tbl_lock); | |
2373 | ||
2374 | hash_init(rocker->fdb_tbl); | |
2375 | spin_lock_init(&rocker->fdb_tbl_lock); | |
2376 | ||
2377 | hash_init(rocker->internal_vlan_tbl); | |
2378 | spin_lock_init(&rocker->internal_vlan_tbl_lock); | |
2379 | ||
c1beeef7 SF |
2380 | hash_init(rocker->neigh_tbl); |
2381 | spin_lock_init(&rocker->neigh_tbl_lock); | |
2382 | ||
9f6bbf7c SF |
2383 | return 0; |
2384 | } | |
2385 | ||
2386 | static void rocker_free_tbls(struct rocker *rocker) | |
2387 | { | |
2388 | unsigned long flags; | |
2389 | struct rocker_flow_tbl_entry *flow_entry; | |
2390 | struct rocker_group_tbl_entry *group_entry; | |
2391 | struct rocker_fdb_tbl_entry *fdb_entry; | |
2392 | struct rocker_internal_vlan_tbl_entry *internal_vlan_entry; | |
c1beeef7 | 2393 | struct rocker_neigh_tbl_entry *neigh_entry; |
9f6bbf7c SF |
2394 | struct hlist_node *tmp; |
2395 | int bkt; | |
2396 | ||
2397 | spin_lock_irqsave(&rocker->flow_tbl_lock, flags); | |
2398 | hash_for_each_safe(rocker->flow_tbl, bkt, tmp, flow_entry, entry) | |
2399 | hash_del(&flow_entry->entry); | |
2400 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, flags); | |
2401 | ||
2402 | spin_lock_irqsave(&rocker->group_tbl_lock, flags); | |
2403 | hash_for_each_safe(rocker->group_tbl, bkt, tmp, group_entry, entry) | |
2404 | hash_del(&group_entry->entry); | |
2405 | spin_unlock_irqrestore(&rocker->group_tbl_lock, flags); | |
2406 | ||
2407 | spin_lock_irqsave(&rocker->fdb_tbl_lock, flags); | |
2408 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, fdb_entry, entry) | |
2409 | hash_del(&fdb_entry->entry); | |
2410 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, flags); | |
2411 | ||
2412 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, flags); | |
2413 | hash_for_each_safe(rocker->internal_vlan_tbl, bkt, | |
2414 | tmp, internal_vlan_entry, entry) | |
2415 | hash_del(&internal_vlan_entry->entry); | |
2416 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, flags); | |
c1beeef7 SF |
2417 | |
2418 | spin_lock_irqsave(&rocker->neigh_tbl_lock, flags); | |
2419 | hash_for_each_safe(rocker->neigh_tbl, bkt, tmp, neigh_entry, entry) | |
2420 | hash_del(&neigh_entry->entry); | |
2421 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, flags); | |
9f6bbf7c SF |
2422 | } |
2423 | ||
2424 | static struct rocker_flow_tbl_entry * | |
e5054643 SH |
2425 | rocker_flow_tbl_find(const struct rocker *rocker, |
2426 | const struct rocker_flow_tbl_entry *match) | |
9f6bbf7c SF |
2427 | { |
2428 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2429 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
9f6bbf7c SF |
2430 | |
2431 | hash_for_each_possible(rocker->flow_tbl, found, | |
2432 | entry, match->key_crc32) { | |
c1beeef7 | 2433 | if (memcmp(&found->key, &match->key, key_len) == 0) |
9f6bbf7c SF |
2434 | return found; |
2435 | } | |
2436 | ||
2437 | return NULL; | |
2438 | } | |
2439 | ||
2440 | static int rocker_flow_tbl_add(struct rocker_port *rocker_port, | |
179f9a25 | 2441 | enum switchdev_trans trans, int flags, |
c4f20321 | 2442 | struct rocker_flow_tbl_entry *match) |
9f6bbf7c SF |
2443 | { |
2444 | struct rocker *rocker = rocker_port->rocker; | |
2445 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2446 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
179f9a25 | 2447 | unsigned long lock_flags; |
9f6bbf7c | 2448 | |
c1beeef7 | 2449 | match->key_crc32 = crc32(~0, &match->key, key_len); |
9f6bbf7c | 2450 | |
179f9a25 | 2451 | spin_lock_irqsave(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c SF |
2452 | |
2453 | found = rocker_flow_tbl_find(rocker, match); | |
2454 | ||
2455 | if (found) { | |
c1beeef7 | 2456 | match->cookie = found->cookie; |
c4f20321 SF |
2457 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2458 | hash_del(&found->entry); | |
0985df73 | 2459 | rocker_port_kfree(trans, found); |
c1beeef7 SF |
2460 | found = match; |
2461 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_MOD; | |
9f6bbf7c SF |
2462 | } else { |
2463 | found = match; | |
2464 | found->cookie = rocker->flow_tbl_next_cookie++; | |
c1beeef7 | 2465 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_ADD; |
9f6bbf7c SF |
2466 | } |
2467 | ||
c4f20321 SF |
2468 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2469 | hash_add(rocker->flow_tbl, &found->entry, found->key_crc32); | |
9f6bbf7c | 2470 | |
179f9a25 | 2471 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c | 2472 | |
179f9a25 SF |
2473 | return rocker_cmd_exec(rocker_port, trans, flags, |
2474 | rocker_cmd_flow_tbl_add, found, NULL, NULL); | |
9f6bbf7c SF |
2475 | } |
2476 | ||
2477 | static int rocker_flow_tbl_del(struct rocker_port *rocker_port, | |
179f9a25 | 2478 | enum switchdev_trans trans, int flags, |
c4f20321 | 2479 | struct rocker_flow_tbl_entry *match) |
9f6bbf7c SF |
2480 | { |
2481 | struct rocker *rocker = rocker_port->rocker; | |
2482 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2483 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
179f9a25 | 2484 | unsigned long lock_flags; |
9f6bbf7c SF |
2485 | int err = 0; |
2486 | ||
c1beeef7 | 2487 | match->key_crc32 = crc32(~0, &match->key, key_len); |
9f6bbf7c | 2488 | |
179f9a25 | 2489 | spin_lock_irqsave(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c SF |
2490 | |
2491 | found = rocker_flow_tbl_find(rocker, match); | |
2492 | ||
2493 | if (found) { | |
c4f20321 SF |
2494 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2495 | hash_del(&found->entry); | |
c1beeef7 | 2496 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_DEL; |
9f6bbf7c SF |
2497 | } |
2498 | ||
179f9a25 | 2499 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c | 2500 | |
0985df73 | 2501 | rocker_port_kfree(trans, match); |
9f6bbf7c | 2502 | |
c1beeef7 | 2503 | if (found) { |
179f9a25 | 2504 | err = rocker_cmd_exec(rocker_port, trans, flags, |
9f6bbf7c | 2505 | rocker_cmd_flow_tbl_del, |
c4f20321 | 2506 | found, NULL, NULL); |
0985df73 | 2507 | rocker_port_kfree(trans, found); |
9f6bbf7c SF |
2508 | } |
2509 | ||
2510 | return err; | |
2511 | } | |
2512 | ||
9f6bbf7c | 2513 | static int rocker_flow_tbl_do(struct rocker_port *rocker_port, |
c4f20321 SF |
2514 | enum switchdev_trans trans, int flags, |
2515 | struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 2516 | { |
9f6bbf7c | 2517 | if (flags & ROCKER_OP_FLAG_REMOVE) |
179f9a25 | 2518 | return rocker_flow_tbl_del(rocker_port, trans, flags, entry); |
9f6bbf7c | 2519 | else |
179f9a25 | 2520 | return rocker_flow_tbl_add(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2521 | } |
2522 | ||
2523 | static int rocker_flow_tbl_ig_port(struct rocker_port *rocker_port, | |
c4f20321 SF |
2524 | enum switchdev_trans trans, int flags, |
2525 | u32 in_pport, u32 in_pport_mask, | |
9f6bbf7c SF |
2526 | enum rocker_of_dpa_table_id goto_tbl) |
2527 | { | |
2528 | struct rocker_flow_tbl_entry *entry; | |
2529 | ||
179f9a25 | 2530 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2531 | if (!entry) |
2532 | return -ENOMEM; | |
2533 | ||
2534 | entry->key.priority = ROCKER_PRIORITY_IG_PORT; | |
2535 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT; | |
4a6bb6d3 SF |
2536 | entry->key.ig_port.in_pport = in_pport; |
2537 | entry->key.ig_port.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2538 | entry->key.ig_port.goto_tbl = goto_tbl; |
2539 | ||
c4f20321 | 2540 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2541 | } |
2542 | ||
2543 | static int rocker_flow_tbl_vlan(struct rocker_port *rocker_port, | |
c4f20321 SF |
2544 | enum switchdev_trans trans, int flags, |
2545 | u32 in_pport, __be16 vlan_id, | |
2546 | __be16 vlan_id_mask, | |
9f6bbf7c SF |
2547 | enum rocker_of_dpa_table_id goto_tbl, |
2548 | bool untagged, __be16 new_vlan_id) | |
2549 | { | |
2550 | struct rocker_flow_tbl_entry *entry; | |
2551 | ||
179f9a25 | 2552 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2553 | if (!entry) |
2554 | return -ENOMEM; | |
2555 | ||
2556 | entry->key.priority = ROCKER_PRIORITY_VLAN; | |
2557 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_VLAN; | |
4a6bb6d3 | 2558 | entry->key.vlan.in_pport = in_pport; |
9f6bbf7c SF |
2559 | entry->key.vlan.vlan_id = vlan_id; |
2560 | entry->key.vlan.vlan_id_mask = vlan_id_mask; | |
2561 | entry->key.vlan.goto_tbl = goto_tbl; | |
2562 | ||
2563 | entry->key.vlan.untagged = untagged; | |
2564 | entry->key.vlan.new_vlan_id = new_vlan_id; | |
2565 | ||
c4f20321 | 2566 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2567 | } |
2568 | ||
2569 | static int rocker_flow_tbl_term_mac(struct rocker_port *rocker_port, | |
c4f20321 | 2570 | enum switchdev_trans trans, |
4a6bb6d3 | 2571 | u32 in_pport, u32 in_pport_mask, |
9f6bbf7c SF |
2572 | __be16 eth_type, const u8 *eth_dst, |
2573 | const u8 *eth_dst_mask, __be16 vlan_id, | |
2574 | __be16 vlan_id_mask, bool copy_to_cpu, | |
2575 | int flags) | |
2576 | { | |
2577 | struct rocker_flow_tbl_entry *entry; | |
2578 | ||
179f9a25 | 2579 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2580 | if (!entry) |
2581 | return -ENOMEM; | |
2582 | ||
2583 | if (is_multicast_ether_addr(eth_dst)) { | |
2584 | entry->key.priority = ROCKER_PRIORITY_TERM_MAC_MCAST; | |
2585 | entry->key.term_mac.goto_tbl = | |
2586 | ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING; | |
2587 | } else { | |
2588 | entry->key.priority = ROCKER_PRIORITY_TERM_MAC_UCAST; | |
2589 | entry->key.term_mac.goto_tbl = | |
2590 | ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; | |
2591 | } | |
2592 | ||
2593 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; | |
4a6bb6d3 SF |
2594 | entry->key.term_mac.in_pport = in_pport; |
2595 | entry->key.term_mac.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2596 | entry->key.term_mac.eth_type = eth_type; |
2597 | ether_addr_copy(entry->key.term_mac.eth_dst, eth_dst); | |
2598 | ether_addr_copy(entry->key.term_mac.eth_dst_mask, eth_dst_mask); | |
2599 | entry->key.term_mac.vlan_id = vlan_id; | |
2600 | entry->key.term_mac.vlan_id_mask = vlan_id_mask; | |
2601 | entry->key.term_mac.copy_to_cpu = copy_to_cpu; | |
2602 | ||
c4f20321 | 2603 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2604 | } |
2605 | ||
2606 | static int rocker_flow_tbl_bridge(struct rocker_port *rocker_port, | |
c4f20321 | 2607 | enum switchdev_trans trans, int flags, |
9f6bbf7c SF |
2608 | const u8 *eth_dst, const u8 *eth_dst_mask, |
2609 | __be16 vlan_id, u32 tunnel_id, | |
2610 | enum rocker_of_dpa_table_id goto_tbl, | |
2611 | u32 group_id, bool copy_to_cpu) | |
2612 | { | |
2613 | struct rocker_flow_tbl_entry *entry; | |
2614 | u32 priority; | |
2615 | bool vlan_bridging = !!vlan_id; | |
2616 | bool dflt = !eth_dst || (eth_dst && eth_dst_mask); | |
2617 | bool wild = false; | |
2618 | ||
179f9a25 | 2619 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2620 | if (!entry) |
2621 | return -ENOMEM; | |
2622 | ||
2623 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_BRIDGING; | |
2624 | ||
2625 | if (eth_dst) { | |
2626 | entry->key.bridge.has_eth_dst = 1; | |
2627 | ether_addr_copy(entry->key.bridge.eth_dst, eth_dst); | |
2628 | } | |
2629 | if (eth_dst_mask) { | |
2630 | entry->key.bridge.has_eth_dst_mask = 1; | |
2631 | ether_addr_copy(entry->key.bridge.eth_dst_mask, eth_dst_mask); | |
629161f6 | 2632 | if (!ether_addr_equal(eth_dst_mask, ff_mac)) |
9f6bbf7c SF |
2633 | wild = true; |
2634 | } | |
2635 | ||
2636 | priority = ROCKER_PRIORITY_UNKNOWN; | |
51ace887 | 2637 | if (vlan_bridging && dflt && wild) |
9f6bbf7c | 2638 | priority = ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_WILD; |
51ace887 | 2639 | else if (vlan_bridging && dflt && !wild) |
9f6bbf7c | 2640 | priority = ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_EXACT; |
51ace887 | 2641 | else if (vlan_bridging && !dflt) |
9f6bbf7c | 2642 | priority = ROCKER_PRIORITY_BRIDGING_VLAN; |
51ace887 | 2643 | else if (!vlan_bridging && dflt && wild) |
9f6bbf7c | 2644 | priority = ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_WILD; |
51ace887 | 2645 | else if (!vlan_bridging && dflt && !wild) |
9f6bbf7c | 2646 | priority = ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_EXACT; |
51ace887 | 2647 | else if (!vlan_bridging && !dflt) |
9f6bbf7c SF |
2648 | priority = ROCKER_PRIORITY_BRIDGING_TENANT; |
2649 | ||
2650 | entry->key.priority = priority; | |
2651 | entry->key.bridge.vlan_id = vlan_id; | |
2652 | entry->key.bridge.tunnel_id = tunnel_id; | |
2653 | entry->key.bridge.goto_tbl = goto_tbl; | |
2654 | entry->key.bridge.group_id = group_id; | |
2655 | entry->key.bridge.copy_to_cpu = copy_to_cpu; | |
2656 | ||
c4f20321 | 2657 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2658 | } |
2659 | ||
c1beeef7 | 2660 | static int rocker_flow_tbl_ucast4_routing(struct rocker_port *rocker_port, |
c4f20321 | 2661 | enum switchdev_trans trans, |
c1beeef7 SF |
2662 | __be16 eth_type, __be32 dst, |
2663 | __be32 dst_mask, u32 priority, | |
2664 | enum rocker_of_dpa_table_id goto_tbl, | |
2665 | u32 group_id, int flags) | |
2666 | { | |
2667 | struct rocker_flow_tbl_entry *entry; | |
2668 | ||
179f9a25 | 2669 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2670 | if (!entry) |
2671 | return -ENOMEM; | |
2672 | ||
2673 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; | |
2674 | entry->key.priority = priority; | |
2675 | entry->key.ucast_routing.eth_type = eth_type; | |
2676 | entry->key.ucast_routing.dst4 = dst; | |
2677 | entry->key.ucast_routing.dst4_mask = dst_mask; | |
2678 | entry->key.ucast_routing.goto_tbl = goto_tbl; | |
2679 | entry->key.ucast_routing.group_id = group_id; | |
2680 | entry->key_len = offsetof(struct rocker_flow_tbl_key, | |
2681 | ucast_routing.group_id); | |
2682 | ||
c4f20321 | 2683 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
c1beeef7 SF |
2684 | } |
2685 | ||
9f6bbf7c | 2686 | static int rocker_flow_tbl_acl(struct rocker_port *rocker_port, |
c4f20321 SF |
2687 | enum switchdev_trans trans, int flags, |
2688 | u32 in_pport, u32 in_pport_mask, | |
9f6bbf7c SF |
2689 | const u8 *eth_src, const u8 *eth_src_mask, |
2690 | const u8 *eth_dst, const u8 *eth_dst_mask, | |
c4f20321 SF |
2691 | __be16 eth_type, __be16 vlan_id, |
2692 | __be16 vlan_id_mask, u8 ip_proto, | |
2693 | u8 ip_proto_mask, u8 ip_tos, u8 ip_tos_mask, | |
9f6bbf7c SF |
2694 | u32 group_id) |
2695 | { | |
2696 | u32 priority; | |
2697 | struct rocker_flow_tbl_entry *entry; | |
2698 | ||
179f9a25 | 2699 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2700 | if (!entry) |
2701 | return -ENOMEM; | |
2702 | ||
2703 | priority = ROCKER_PRIORITY_ACL_NORMAL; | |
2704 | if (eth_dst && eth_dst_mask) { | |
629161f6 | 2705 | if (ether_addr_equal(eth_dst_mask, mcast_mac)) |
9f6bbf7c SF |
2706 | priority = ROCKER_PRIORITY_ACL_DFLT; |
2707 | else if (is_link_local_ether_addr(eth_dst)) | |
2708 | priority = ROCKER_PRIORITY_ACL_CTRL; | |
2709 | } | |
2710 | ||
2711 | entry->key.priority = priority; | |
2712 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
4a6bb6d3 SF |
2713 | entry->key.acl.in_pport = in_pport; |
2714 | entry->key.acl.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2715 | |
2716 | if (eth_src) | |
2717 | ether_addr_copy(entry->key.acl.eth_src, eth_src); | |
2718 | if (eth_src_mask) | |
2719 | ether_addr_copy(entry->key.acl.eth_src_mask, eth_src_mask); | |
2720 | if (eth_dst) | |
2721 | ether_addr_copy(entry->key.acl.eth_dst, eth_dst); | |
2722 | if (eth_dst_mask) | |
2723 | ether_addr_copy(entry->key.acl.eth_dst_mask, eth_dst_mask); | |
2724 | ||
2725 | entry->key.acl.eth_type = eth_type; | |
2726 | entry->key.acl.vlan_id = vlan_id; | |
2727 | entry->key.acl.vlan_id_mask = vlan_id_mask; | |
2728 | entry->key.acl.ip_proto = ip_proto; | |
2729 | entry->key.acl.ip_proto_mask = ip_proto_mask; | |
2730 | entry->key.acl.ip_tos = ip_tos; | |
2731 | entry->key.acl.ip_tos_mask = ip_tos_mask; | |
2732 | entry->key.acl.group_id = group_id; | |
2733 | ||
c4f20321 | 2734 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2735 | } |
2736 | ||
2737 | static struct rocker_group_tbl_entry * | |
e5054643 SH |
2738 | rocker_group_tbl_find(const struct rocker *rocker, |
2739 | const struct rocker_group_tbl_entry *match) | |
9f6bbf7c SF |
2740 | { |
2741 | struct rocker_group_tbl_entry *found; | |
2742 | ||
2743 | hash_for_each_possible(rocker->group_tbl, found, | |
2744 | entry, match->group_id) { | |
2745 | if (found->group_id == match->group_id) | |
2746 | return found; | |
2747 | } | |
2748 | ||
2749 | return NULL; | |
2750 | } | |
2751 | ||
0985df73 | 2752 | static void rocker_group_tbl_entry_free(enum switchdev_trans trans, |
c4f20321 | 2753 | struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2754 | { |
2755 | switch (ROCKER_GROUP_TYPE_GET(entry->group_id)) { | |
2756 | case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: | |
2757 | case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: | |
0985df73 | 2758 | rocker_port_kfree(trans, entry->group_ids); |
9f6bbf7c SF |
2759 | break; |
2760 | default: | |
2761 | break; | |
2762 | } | |
0985df73 | 2763 | rocker_port_kfree(trans, entry); |
9f6bbf7c SF |
2764 | } |
2765 | ||
2766 | static int rocker_group_tbl_add(struct rocker_port *rocker_port, | |
179f9a25 | 2767 | enum switchdev_trans trans, int flags, |
c4f20321 | 2768 | struct rocker_group_tbl_entry *match) |
9f6bbf7c SF |
2769 | { |
2770 | struct rocker *rocker = rocker_port->rocker; | |
2771 | struct rocker_group_tbl_entry *found; | |
179f9a25 | 2772 | unsigned long lock_flags; |
9f6bbf7c | 2773 | |
179f9a25 | 2774 | spin_lock_irqsave(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c SF |
2775 | |
2776 | found = rocker_group_tbl_find(rocker, match); | |
2777 | ||
2778 | if (found) { | |
c4f20321 SF |
2779 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2780 | hash_del(&found->entry); | |
0985df73 | 2781 | rocker_group_tbl_entry_free(trans, found); |
9f6bbf7c SF |
2782 | found = match; |
2783 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_MOD; | |
2784 | } else { | |
2785 | found = match; | |
2786 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_ADD; | |
2787 | } | |
2788 | ||
c4f20321 SF |
2789 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2790 | hash_add(rocker->group_tbl, &found->entry, found->group_id); | |
9f6bbf7c | 2791 | |
179f9a25 | 2792 | spin_unlock_irqrestore(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c | 2793 | |
179f9a25 SF |
2794 | return rocker_cmd_exec(rocker_port, trans, flags, |
2795 | rocker_cmd_group_tbl_add, found, NULL, NULL); | |
9f6bbf7c SF |
2796 | } |
2797 | ||
2798 | static int rocker_group_tbl_del(struct rocker_port *rocker_port, | |
179f9a25 | 2799 | enum switchdev_trans trans, int flags, |
c4f20321 | 2800 | struct rocker_group_tbl_entry *match) |
9f6bbf7c SF |
2801 | { |
2802 | struct rocker *rocker = rocker_port->rocker; | |
2803 | struct rocker_group_tbl_entry *found; | |
179f9a25 | 2804 | unsigned long lock_flags; |
9f6bbf7c SF |
2805 | int err = 0; |
2806 | ||
179f9a25 | 2807 | spin_lock_irqsave(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c SF |
2808 | |
2809 | found = rocker_group_tbl_find(rocker, match); | |
2810 | ||
2811 | if (found) { | |
c4f20321 SF |
2812 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2813 | hash_del(&found->entry); | |
9f6bbf7c SF |
2814 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_DEL; |
2815 | } | |
2816 | ||
179f9a25 | 2817 | spin_unlock_irqrestore(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c | 2818 | |
0985df73 | 2819 | rocker_group_tbl_entry_free(trans, match); |
9f6bbf7c SF |
2820 | |
2821 | if (found) { | |
179f9a25 | 2822 | err = rocker_cmd_exec(rocker_port, trans, flags, |
9f6bbf7c | 2823 | rocker_cmd_group_tbl_del, |
c4f20321 | 2824 | found, NULL, NULL); |
0985df73 | 2825 | rocker_group_tbl_entry_free(trans, found); |
9f6bbf7c SF |
2826 | } |
2827 | ||
2828 | return err; | |
2829 | } | |
2830 | ||
2831 | static int rocker_group_tbl_do(struct rocker_port *rocker_port, | |
c4f20321 SF |
2832 | enum switchdev_trans trans, int flags, |
2833 | struct rocker_group_tbl_entry *entry) | |
9f6bbf7c | 2834 | { |
9f6bbf7c | 2835 | if (flags & ROCKER_OP_FLAG_REMOVE) |
179f9a25 | 2836 | return rocker_group_tbl_del(rocker_port, trans, flags, entry); |
9f6bbf7c | 2837 | else |
179f9a25 | 2838 | return rocker_group_tbl_add(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2839 | } |
2840 | ||
2841 | static int rocker_group_l2_interface(struct rocker_port *rocker_port, | |
c4f20321 SF |
2842 | enum switchdev_trans trans, int flags, |
2843 | __be16 vlan_id, u32 out_pport, | |
2844 | int pop_vlan) | |
9f6bbf7c SF |
2845 | { |
2846 | struct rocker_group_tbl_entry *entry; | |
2847 | ||
179f9a25 | 2848 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2849 | if (!entry) |
2850 | return -ENOMEM; | |
2851 | ||
4a6bb6d3 | 2852 | entry->group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
9f6bbf7c SF |
2853 | entry->l2_interface.pop_vlan = pop_vlan; |
2854 | ||
c4f20321 | 2855 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2856 | } |
2857 | ||
2858 | static int rocker_group_l2_fan_out(struct rocker_port *rocker_port, | |
c4f20321 | 2859 | enum switchdev_trans trans, |
9f6bbf7c | 2860 | int flags, u8 group_count, |
e5054643 | 2861 | const u32 *group_ids, u32 group_id) |
9f6bbf7c SF |
2862 | { |
2863 | struct rocker_group_tbl_entry *entry; | |
2864 | ||
179f9a25 | 2865 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2866 | if (!entry) |
2867 | return -ENOMEM; | |
2868 | ||
2869 | entry->group_id = group_id; | |
2870 | entry->group_count = group_count; | |
2871 | ||
179f9a25 SF |
2872 | entry->group_ids = rocker_port_kcalloc(rocker_port, trans, flags, |
2873 | group_count, sizeof(u32)); | |
9f6bbf7c | 2874 | if (!entry->group_ids) { |
0985df73 | 2875 | rocker_port_kfree(trans, entry); |
9f6bbf7c SF |
2876 | return -ENOMEM; |
2877 | } | |
2878 | memcpy(entry->group_ids, group_ids, group_count * sizeof(u32)); | |
2879 | ||
c4f20321 | 2880 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2881 | } |
2882 | ||
2883 | static int rocker_group_l2_flood(struct rocker_port *rocker_port, | |
c4f20321 SF |
2884 | enum switchdev_trans trans, int flags, |
2885 | __be16 vlan_id, u8 group_count, | |
e5054643 | 2886 | const u32 *group_ids, u32 group_id) |
9f6bbf7c | 2887 | { |
c4f20321 | 2888 | return rocker_group_l2_fan_out(rocker_port, trans, flags, |
9f6bbf7c SF |
2889 | group_count, group_ids, |
2890 | group_id); | |
2891 | } | |
2892 | ||
c1beeef7 | 2893 | static int rocker_group_l3_unicast(struct rocker_port *rocker_port, |
c4f20321 | 2894 | enum switchdev_trans trans, int flags, |
e5054643 | 2895 | u32 index, const u8 *src_mac, const u8 *dst_mac, |
c4f20321 | 2896 | __be16 vlan_id, bool ttl_check, u32 pport) |
c1beeef7 SF |
2897 | { |
2898 | struct rocker_group_tbl_entry *entry; | |
2899 | ||
179f9a25 | 2900 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2901 | if (!entry) |
2902 | return -ENOMEM; | |
2903 | ||
2904 | entry->group_id = ROCKER_GROUP_L3_UNICAST(index); | |
2905 | if (src_mac) | |
2906 | ether_addr_copy(entry->l3_unicast.eth_src, src_mac); | |
2907 | if (dst_mac) | |
2908 | ether_addr_copy(entry->l3_unicast.eth_dst, dst_mac); | |
2909 | entry->l3_unicast.vlan_id = vlan_id; | |
2910 | entry->l3_unicast.ttl_check = ttl_check; | |
2911 | entry->l3_unicast.group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, pport); | |
2912 | ||
c4f20321 | 2913 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
c1beeef7 SF |
2914 | } |
2915 | ||
2916 | static struct rocker_neigh_tbl_entry * | |
e5054643 | 2917 | rocker_neigh_tbl_find(const struct rocker *rocker, __be32 ip_addr) |
c1beeef7 SF |
2918 | { |
2919 | struct rocker_neigh_tbl_entry *found; | |
2920 | ||
0f43deba SF |
2921 | hash_for_each_possible(rocker->neigh_tbl, found, |
2922 | entry, be32_to_cpu(ip_addr)) | |
c1beeef7 SF |
2923 | if (found->ip_addr == ip_addr) |
2924 | return found; | |
2925 | ||
2926 | return NULL; | |
2927 | } | |
2928 | ||
2929 | static void _rocker_neigh_add(struct rocker *rocker, | |
550ecc92 | 2930 | enum switchdev_trans trans, |
c1beeef7 SF |
2931 | struct rocker_neigh_tbl_entry *entry) |
2932 | { | |
4d81db41 SF |
2933 | if (trans != SWITCHDEV_TRANS_COMMIT) |
2934 | entry->index = rocker->neigh_tbl_next_index++; | |
550ecc92 SH |
2935 | if (trans == SWITCHDEV_TRANS_PREPARE) |
2936 | return; | |
c1beeef7 | 2937 | entry->ref_count++; |
0f43deba SF |
2938 | hash_add(rocker->neigh_tbl, &entry->entry, |
2939 | be32_to_cpu(entry->ip_addr)); | |
c1beeef7 SF |
2940 | } |
2941 | ||
0985df73 | 2942 | static void _rocker_neigh_del(enum switchdev_trans trans, |
c1beeef7 SF |
2943 | struct rocker_neigh_tbl_entry *entry) |
2944 | { | |
550ecc92 SH |
2945 | if (trans == SWITCHDEV_TRANS_PREPARE) |
2946 | return; | |
c1beeef7 SF |
2947 | if (--entry->ref_count == 0) { |
2948 | hash_del(&entry->entry); | |
0985df73 | 2949 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
2950 | } |
2951 | } | |
2952 | ||
c4f20321 | 2953 | static void _rocker_neigh_update(struct rocker_neigh_tbl_entry *entry, |
550ecc92 | 2954 | enum switchdev_trans trans, |
e5054643 | 2955 | const u8 *eth_dst, bool ttl_check) |
c1beeef7 SF |
2956 | { |
2957 | if (eth_dst) { | |
2958 | ether_addr_copy(entry->eth_dst, eth_dst); | |
2959 | entry->ttl_check = ttl_check; | |
550ecc92 | 2960 | } else if (trans != SWITCHDEV_TRANS_PREPARE) { |
c1beeef7 SF |
2961 | entry->ref_count++; |
2962 | } | |
2963 | } | |
2964 | ||
2965 | static int rocker_port_ipv4_neigh(struct rocker_port *rocker_port, | |
c4f20321 | 2966 | enum switchdev_trans trans, |
e5054643 | 2967 | int flags, __be32 ip_addr, const u8 *eth_dst) |
c1beeef7 SF |
2968 | { |
2969 | struct rocker *rocker = rocker_port->rocker; | |
2970 | struct rocker_neigh_tbl_entry *entry; | |
2971 | struct rocker_neigh_tbl_entry *found; | |
2972 | unsigned long lock_flags; | |
2973 | __be16 eth_type = htons(ETH_P_IP); | |
2974 | enum rocker_of_dpa_table_id goto_tbl = | |
2975 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
2976 | u32 group_id; | |
2977 | u32 priority = 0; | |
2978 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
2979 | bool updating; | |
2980 | bool removing; | |
2981 | int err = 0; | |
2982 | ||
179f9a25 | 2983 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2984 | if (!entry) |
2985 | return -ENOMEM; | |
2986 | ||
2987 | spin_lock_irqsave(&rocker->neigh_tbl_lock, lock_flags); | |
2988 | ||
2989 | found = rocker_neigh_tbl_find(rocker, ip_addr); | |
2990 | ||
2991 | updating = found && adding; | |
2992 | removing = found && !adding; | |
2993 | adding = !found && adding; | |
2994 | ||
2995 | if (adding) { | |
2996 | entry->ip_addr = ip_addr; | |
2997 | entry->dev = rocker_port->dev; | |
2998 | ether_addr_copy(entry->eth_dst, eth_dst); | |
2999 | entry->ttl_check = true; | |
550ecc92 | 3000 | _rocker_neigh_add(rocker, trans, entry); |
c1beeef7 SF |
3001 | } else if (removing) { |
3002 | memcpy(entry, found, sizeof(*entry)); | |
0985df73 | 3003 | _rocker_neigh_del(trans, found); |
c1beeef7 | 3004 | } else if (updating) { |
550ecc92 | 3005 | _rocker_neigh_update(found, trans, eth_dst, true); |
c1beeef7 SF |
3006 | memcpy(entry, found, sizeof(*entry)); |
3007 | } else { | |
3008 | err = -ENOENT; | |
3009 | } | |
3010 | ||
3011 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, lock_flags); | |
3012 | ||
3013 | if (err) | |
3014 | goto err_out; | |
3015 | ||
3016 | /* For each active neighbor, we have an L3 unicast group and | |
3017 | * a /32 route to the neighbor, which uses the L3 unicast | |
3018 | * group. The L3 unicast group can also be referred to by | |
3019 | * other routes' nexthops. | |
3020 | */ | |
3021 | ||
c4f20321 | 3022 | err = rocker_group_l3_unicast(rocker_port, trans, flags, |
c1beeef7 SF |
3023 | entry->index, |
3024 | rocker_port->dev->dev_addr, | |
3025 | entry->eth_dst, | |
3026 | rocker_port->internal_vlan_id, | |
3027 | entry->ttl_check, | |
3028 | rocker_port->pport); | |
3029 | if (err) { | |
3030 | netdev_err(rocker_port->dev, | |
3031 | "Error (%d) L3 unicast group index %d\n", | |
3032 | err, entry->index); | |
3033 | goto err_out; | |
3034 | } | |
3035 | ||
3036 | if (adding || removing) { | |
3037 | group_id = ROCKER_GROUP_L3_UNICAST(entry->index); | |
c4f20321 | 3038 | err = rocker_flow_tbl_ucast4_routing(rocker_port, trans, |
c1beeef7 SF |
3039 | eth_type, ip_addr, |
3040 | inet_make_mask(32), | |
3041 | priority, goto_tbl, | |
3042 | group_id, flags); | |
3043 | ||
3044 | if (err) | |
3045 | netdev_err(rocker_port->dev, | |
3046 | "Error (%d) /32 unicast route %pI4 group 0x%08x\n", | |
3047 | err, &entry->ip_addr, group_id); | |
3048 | } | |
3049 | ||
3050 | err_out: | |
3051 | if (!adding) | |
0985df73 | 3052 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
3053 | |
3054 | return err; | |
3055 | } | |
3056 | ||
3057 | static int rocker_port_ipv4_resolve(struct rocker_port *rocker_port, | |
c4f20321 | 3058 | enum switchdev_trans trans, __be32 ip_addr) |
c1beeef7 SF |
3059 | { |
3060 | struct net_device *dev = rocker_port->dev; | |
0f43deba | 3061 | struct neighbour *n = __ipv4_neigh_lookup(dev, (__force u32)ip_addr); |
c1beeef7 SF |
3062 | int err = 0; |
3063 | ||
4133fc09 | 3064 | if (!n) { |
c1beeef7 | 3065 | n = neigh_create(&arp_tbl, &ip_addr, dev); |
4133fc09 YX |
3066 | if (IS_ERR(n)) |
3067 | return IS_ERR(n); | |
3068 | } | |
c1beeef7 SF |
3069 | |
3070 | /* If the neigh is already resolved, then go ahead and | |
3071 | * install the entry, otherwise start the ARP process to | |
3072 | * resolve the neigh. | |
3073 | */ | |
3074 | ||
3075 | if (n->nud_state & NUD_VALID) | |
c4f20321 SF |
3076 | err = rocker_port_ipv4_neigh(rocker_port, trans, 0, |
3077 | ip_addr, n->ha); | |
c1beeef7 SF |
3078 | else |
3079 | neigh_event_send(n, NULL); | |
3080 | ||
4133fc09 | 3081 | neigh_release(n); |
c1beeef7 SF |
3082 | return err; |
3083 | } | |
3084 | ||
c4f20321 SF |
3085 | static int rocker_port_ipv4_nh(struct rocker_port *rocker_port, |
3086 | enum switchdev_trans trans, int flags, | |
c1beeef7 SF |
3087 | __be32 ip_addr, u32 *index) |
3088 | { | |
3089 | struct rocker *rocker = rocker_port->rocker; | |
3090 | struct rocker_neigh_tbl_entry *entry; | |
3091 | struct rocker_neigh_tbl_entry *found; | |
3092 | unsigned long lock_flags; | |
3093 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
3094 | bool updating; | |
3095 | bool removing; | |
3096 | bool resolved = true; | |
3097 | int err = 0; | |
3098 | ||
179f9a25 | 3099 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
3100 | if (!entry) |
3101 | return -ENOMEM; | |
3102 | ||
3103 | spin_lock_irqsave(&rocker->neigh_tbl_lock, lock_flags); | |
3104 | ||
3105 | found = rocker_neigh_tbl_find(rocker, ip_addr); | |
3106 | if (found) | |
3107 | *index = found->index; | |
3108 | ||
3109 | updating = found && adding; | |
3110 | removing = found && !adding; | |
3111 | adding = !found && adding; | |
3112 | ||
3113 | if (adding) { | |
3114 | entry->ip_addr = ip_addr; | |
3115 | entry->dev = rocker_port->dev; | |
550ecc92 | 3116 | _rocker_neigh_add(rocker, trans, entry); |
c1beeef7 SF |
3117 | *index = entry->index; |
3118 | resolved = false; | |
3119 | } else if (removing) { | |
0985df73 | 3120 | _rocker_neigh_del(trans, found); |
c1beeef7 | 3121 | } else if (updating) { |
550ecc92 | 3122 | _rocker_neigh_update(found, trans, NULL, false); |
c1beeef7 SF |
3123 | resolved = !is_zero_ether_addr(found->eth_dst); |
3124 | } else { | |
3125 | err = -ENOENT; | |
3126 | } | |
3127 | ||
3128 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, lock_flags); | |
3129 | ||
3130 | if (!adding) | |
0985df73 | 3131 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
3132 | |
3133 | if (err) | |
3134 | return err; | |
3135 | ||
3136 | /* Resolved means neigh ip_addr is resolved to neigh mac. */ | |
3137 | ||
3138 | if (!resolved) | |
c4f20321 | 3139 | err = rocker_port_ipv4_resolve(rocker_port, trans, ip_addr); |
c1beeef7 SF |
3140 | |
3141 | return err; | |
3142 | } | |
3143 | ||
6c707945 | 3144 | static int rocker_port_vlan_flood_group(struct rocker_port *rocker_port, |
c4f20321 | 3145 | enum switchdev_trans trans, |
6c707945 SF |
3146 | int flags, __be16 vlan_id) |
3147 | { | |
3148 | struct rocker_port *p; | |
e5054643 | 3149 | const struct rocker *rocker = rocker_port->rocker; |
6c707945 | 3150 | u32 group_id = ROCKER_GROUP_L2_FLOOD(vlan_id, 0); |
04f49faf | 3151 | u32 *group_ids; |
6c707945 | 3152 | u8 group_count = 0; |
04f49faf | 3153 | int err = 0; |
6c707945 SF |
3154 | int i; |
3155 | ||
179f9a25 SF |
3156 | group_ids = rocker_port_kcalloc(rocker_port, trans, flags, |
3157 | rocker->port_count, sizeof(u32)); | |
04f49faf SF |
3158 | if (!group_ids) |
3159 | return -ENOMEM; | |
3160 | ||
6c707945 SF |
3161 | /* Adjust the flood group for this VLAN. The flood group |
3162 | * references an L2 interface group for each port in this | |
3163 | * VLAN. | |
3164 | */ | |
3165 | ||
3166 | for (i = 0; i < rocker->port_count; i++) { | |
3167 | p = rocker->ports[i]; | |
bcfd7801 SF |
3168 | if (!p) |
3169 | continue; | |
6c707945 SF |
3170 | if (!rocker_port_is_bridged(p)) |
3171 | continue; | |
3172 | if (test_bit(ntohs(vlan_id), p->vlan_bitmap)) { | |
3173 | group_ids[group_count++] = | |
4a6bb6d3 | 3174 | ROCKER_GROUP_L2_INTERFACE(vlan_id, p->pport); |
6c707945 SF |
3175 | } |
3176 | } | |
3177 | ||
3178 | /* If there are no bridged ports in this VLAN, we're done */ | |
3179 | if (group_count == 0) | |
04f49faf | 3180 | goto no_ports_in_vlan; |
6c707945 | 3181 | |
c4f20321 SF |
3182 | err = rocker_group_l2_flood(rocker_port, trans, flags, vlan_id, |
3183 | group_count, group_ids, group_id); | |
6c707945 SF |
3184 | if (err) |
3185 | netdev_err(rocker_port->dev, | |
3186 | "Error (%d) port VLAN l2 flood group\n", err); | |
3187 | ||
04f49faf | 3188 | no_ports_in_vlan: |
0985df73 | 3189 | rocker_port_kfree(trans, group_ids); |
6c707945 SF |
3190 | return err; |
3191 | } | |
3192 | ||
3193 | static int rocker_port_vlan_l2_groups(struct rocker_port *rocker_port, | |
c4f20321 SF |
3194 | enum switchdev_trans trans, int flags, |
3195 | __be16 vlan_id, bool pop_vlan) | |
6c707945 | 3196 | { |
e5054643 | 3197 | const struct rocker *rocker = rocker_port->rocker; |
6c707945 SF |
3198 | struct rocker_port *p; |
3199 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
4a6bb6d3 | 3200 | u32 out_pport; |
6c707945 SF |
3201 | int ref = 0; |
3202 | int err; | |
3203 | int i; | |
3204 | ||
3205 | /* An L2 interface group for this port in this VLAN, but | |
3206 | * only when port STP state is LEARNING|FORWARDING. | |
3207 | */ | |
3208 | ||
3209 | if (rocker_port->stp_state == BR_STATE_LEARNING || | |
3210 | rocker_port->stp_state == BR_STATE_FORWARDING) { | |
4a6bb6d3 | 3211 | out_pport = rocker_port->pport; |
c4f20321 SF |
3212 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
3213 | vlan_id, out_pport, pop_vlan); | |
6c707945 SF |
3214 | if (err) { |
3215 | netdev_err(rocker_port->dev, | |
4a6bb6d3 SF |
3216 | "Error (%d) port VLAN l2 group for pport %d\n", |
3217 | err, out_pport); | |
6c707945 SF |
3218 | return err; |
3219 | } | |
3220 | } | |
3221 | ||
3222 | /* An L2 interface group for this VLAN to CPU port. | |
3223 | * Add when first port joins this VLAN and destroy when | |
3224 | * last port leaves this VLAN. | |
3225 | */ | |
3226 | ||
3227 | for (i = 0; i < rocker->port_count; i++) { | |
3228 | p = rocker->ports[i]; | |
bcfd7801 | 3229 | if (p && test_bit(ntohs(vlan_id), p->vlan_bitmap)) |
6c707945 SF |
3230 | ref++; |
3231 | } | |
3232 | ||
3233 | if ((!adding || ref != 1) && (adding || ref != 0)) | |
3234 | return 0; | |
3235 | ||
4a6bb6d3 | 3236 | out_pport = 0; |
c4f20321 SF |
3237 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
3238 | vlan_id, out_pport, pop_vlan); | |
6c707945 SF |
3239 | if (err) { |
3240 | netdev_err(rocker_port->dev, | |
3241 | "Error (%d) port VLAN l2 group for CPU port\n", err); | |
3242 | return err; | |
3243 | } | |
3244 | ||
3245 | return 0; | |
3246 | } | |
3247 | ||
9f6bbf7c SF |
3248 | static struct rocker_ctrl { |
3249 | const u8 *eth_dst; | |
3250 | const u8 *eth_dst_mask; | |
11e6c65a | 3251 | __be16 eth_type; |
9f6bbf7c SF |
3252 | bool acl; |
3253 | bool bridge; | |
3254 | bool term; | |
3255 | bool copy_to_cpu; | |
3256 | } rocker_ctrls[] = { | |
3257 | [ROCKER_CTRL_LINK_LOCAL_MCAST] = { | |
3258 | /* pass link local multicast pkts up to CPU for filtering */ | |
3259 | .eth_dst = ll_mac, | |
3260 | .eth_dst_mask = ll_mask, | |
3261 | .acl = true, | |
3262 | }, | |
3263 | [ROCKER_CTRL_LOCAL_ARP] = { | |
3264 | /* pass local ARP pkts up to CPU */ | |
3265 | .eth_dst = zero_mac, | |
3266 | .eth_dst_mask = zero_mac, | |
3267 | .eth_type = htons(ETH_P_ARP), | |
3268 | .acl = true, | |
3269 | }, | |
3270 | [ROCKER_CTRL_IPV4_MCAST] = { | |
3271 | /* pass IPv4 mcast pkts up to CPU, RFC 1112 */ | |
3272 | .eth_dst = ipv4_mcast, | |
3273 | .eth_dst_mask = ipv4_mask, | |
3274 | .eth_type = htons(ETH_P_IP), | |
3275 | .term = true, | |
3276 | .copy_to_cpu = true, | |
3277 | }, | |
3278 | [ROCKER_CTRL_IPV6_MCAST] = { | |
3279 | /* pass IPv6 mcast pkts up to CPU, RFC 2464 */ | |
3280 | .eth_dst = ipv6_mcast, | |
3281 | .eth_dst_mask = ipv6_mask, | |
3282 | .eth_type = htons(ETH_P_IPV6), | |
3283 | .term = true, | |
3284 | .copy_to_cpu = true, | |
3285 | }, | |
3286 | [ROCKER_CTRL_DFLT_BRIDGING] = { | |
3287 | /* flood any pkts on vlan */ | |
3288 | .bridge = true, | |
3289 | .copy_to_cpu = true, | |
3290 | }, | |
8254973f SH |
3291 | [ROCKER_CTRL_DFLT_OVS] = { |
3292 | /* pass all pkts up to CPU */ | |
3293 | .eth_dst = zero_mac, | |
3294 | .eth_dst_mask = zero_mac, | |
3295 | .acl = true, | |
3296 | }, | |
9f6bbf7c SF |
3297 | }; |
3298 | ||
3299 | static int rocker_port_ctrl_vlan_acl(struct rocker_port *rocker_port, | |
c4f20321 | 3300 | enum switchdev_trans trans, int flags, |
e5054643 | 3301 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c | 3302 | { |
4a6bb6d3 SF |
3303 | u32 in_pport = rocker_port->pport; |
3304 | u32 in_pport_mask = 0xffffffff; | |
3305 | u32 out_pport = 0; | |
e5054643 SH |
3306 | const u8 *eth_src = NULL; |
3307 | const u8 *eth_src_mask = NULL; | |
9f6bbf7c SF |
3308 | __be16 vlan_id_mask = htons(0xffff); |
3309 | u8 ip_proto = 0; | |
3310 | u8 ip_proto_mask = 0; | |
3311 | u8 ip_tos = 0; | |
3312 | u8 ip_tos_mask = 0; | |
4a6bb6d3 | 3313 | u32 group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
9f6bbf7c SF |
3314 | int err; |
3315 | ||
c4f20321 | 3316 | err = rocker_flow_tbl_acl(rocker_port, trans, flags, |
4a6bb6d3 | 3317 | in_pport, in_pport_mask, |
9f6bbf7c SF |
3318 | eth_src, eth_src_mask, |
3319 | ctrl->eth_dst, ctrl->eth_dst_mask, | |
3320 | ctrl->eth_type, | |
3321 | vlan_id, vlan_id_mask, | |
3322 | ip_proto, ip_proto_mask, | |
3323 | ip_tos, ip_tos_mask, | |
3324 | group_id); | |
3325 | ||
3326 | if (err) | |
3327 | netdev_err(rocker_port->dev, "Error (%d) ctrl ACL\n", err); | |
3328 | ||
3329 | return err; | |
3330 | } | |
3331 | ||
6c707945 | 3332 | static int rocker_port_ctrl_vlan_bridge(struct rocker_port *rocker_port, |
c4f20321 | 3333 | enum switchdev_trans trans, int flags, |
e5054643 | 3334 | const struct rocker_ctrl *ctrl, |
6c707945 SF |
3335 | __be16 vlan_id) |
3336 | { | |
3337 | enum rocker_of_dpa_table_id goto_tbl = | |
3338 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
3339 | u32 group_id = ROCKER_GROUP_L2_FLOOD(vlan_id, 0); | |
3340 | u32 tunnel_id = 0; | |
3341 | int err; | |
3342 | ||
3343 | if (!rocker_port_is_bridged(rocker_port)) | |
3344 | return 0; | |
3345 | ||
c4f20321 | 3346 | err = rocker_flow_tbl_bridge(rocker_port, trans, flags, |
6c707945 SF |
3347 | ctrl->eth_dst, ctrl->eth_dst_mask, |
3348 | vlan_id, tunnel_id, | |
3349 | goto_tbl, group_id, ctrl->copy_to_cpu); | |
3350 | ||
3351 | if (err) | |
3352 | netdev_err(rocker_port->dev, "Error (%d) ctrl FLOOD\n", err); | |
3353 | ||
3354 | return err; | |
3355 | } | |
3356 | ||
9f6bbf7c | 3357 | static int rocker_port_ctrl_vlan_term(struct rocker_port *rocker_port, |
c4f20321 | 3358 | enum switchdev_trans trans, int flags, |
e5054643 | 3359 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c | 3360 | { |
4a6bb6d3 | 3361 | u32 in_pport_mask = 0xffffffff; |
9f6bbf7c SF |
3362 | __be16 vlan_id_mask = htons(0xffff); |
3363 | int err; | |
3364 | ||
3365 | if (ntohs(vlan_id) == 0) | |
3366 | vlan_id = rocker_port->internal_vlan_id; | |
3367 | ||
c4f20321 | 3368 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3369 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3370 | ctrl->eth_type, ctrl->eth_dst, |
3371 | ctrl->eth_dst_mask, vlan_id, | |
3372 | vlan_id_mask, ctrl->copy_to_cpu, | |
3373 | flags); | |
3374 | ||
3375 | if (err) | |
3376 | netdev_err(rocker_port->dev, "Error (%d) ctrl term\n", err); | |
3377 | ||
3378 | return err; | |
3379 | } | |
3380 | ||
c4f20321 SF |
3381 | static int rocker_port_ctrl_vlan(struct rocker_port *rocker_port, |
3382 | enum switchdev_trans trans, int flags, | |
e5054643 | 3383 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c SF |
3384 | { |
3385 | if (ctrl->acl) | |
c4f20321 | 3386 | return rocker_port_ctrl_vlan_acl(rocker_port, trans, flags, |
9f6bbf7c | 3387 | ctrl, vlan_id); |
6c707945 | 3388 | if (ctrl->bridge) |
c4f20321 | 3389 | return rocker_port_ctrl_vlan_bridge(rocker_port, trans, flags, |
6c707945 | 3390 | ctrl, vlan_id); |
9f6bbf7c SF |
3391 | |
3392 | if (ctrl->term) | |
c4f20321 | 3393 | return rocker_port_ctrl_vlan_term(rocker_port, trans, flags, |
9f6bbf7c SF |
3394 | ctrl, vlan_id); |
3395 | ||
3396 | return -EOPNOTSUPP; | |
3397 | } | |
3398 | ||
3399 | static int rocker_port_ctrl_vlan_add(struct rocker_port *rocker_port, | |
c4f20321 SF |
3400 | enum switchdev_trans trans, int flags, |
3401 | __be16 vlan_id) | |
9f6bbf7c SF |
3402 | { |
3403 | int err = 0; | |
3404 | int i; | |
3405 | ||
3406 | for (i = 0; i < ROCKER_CTRL_MAX; i++) { | |
3407 | if (rocker_port->ctrls[i]) { | |
c4f20321 | 3408 | err = rocker_port_ctrl_vlan(rocker_port, trans, flags, |
9f6bbf7c SF |
3409 | &rocker_ctrls[i], vlan_id); |
3410 | if (err) | |
3411 | return err; | |
3412 | } | |
3413 | } | |
3414 | ||
3415 | return err; | |
3416 | } | |
3417 | ||
c4f20321 SF |
3418 | static int rocker_port_ctrl(struct rocker_port *rocker_port, |
3419 | enum switchdev_trans trans, int flags, | |
e5054643 | 3420 | const struct rocker_ctrl *ctrl) |
9f6bbf7c SF |
3421 | { |
3422 | u16 vid; | |
3423 | int err = 0; | |
3424 | ||
3425 | for (vid = 1; vid < VLAN_N_VID; vid++) { | |
3426 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
3427 | continue; | |
c4f20321 | 3428 | err = rocker_port_ctrl_vlan(rocker_port, trans, flags, |
9f6bbf7c SF |
3429 | ctrl, htons(vid)); |
3430 | if (err) | |
3431 | break; | |
3432 | } | |
3433 | ||
3434 | return err; | |
3435 | } | |
3436 | ||
c4f20321 SF |
3437 | static int rocker_port_vlan(struct rocker_port *rocker_port, |
3438 | enum switchdev_trans trans, int flags, u16 vid) | |
6c707945 SF |
3439 | { |
3440 | enum rocker_of_dpa_table_id goto_tbl = | |
3441 | ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; | |
4a6bb6d3 | 3442 | u32 in_pport = rocker_port->pport; |
6c707945 SF |
3443 | __be16 vlan_id = htons(vid); |
3444 | __be16 vlan_id_mask = htons(0xffff); | |
3445 | __be16 internal_vlan_id; | |
3446 | bool untagged; | |
3447 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
3448 | int err; | |
3449 | ||
3450 | internal_vlan_id = rocker_port_vid_to_vlan(rocker_port, vid, &untagged); | |
3451 | ||
9228ad26 SF |
3452 | if (adding && test_bit(ntohs(internal_vlan_id), |
3453 | rocker_port->vlan_bitmap)) | |
6c707945 | 3454 | return 0; /* already added */ |
9228ad26 SF |
3455 | else if (!adding && !test_bit(ntohs(internal_vlan_id), |
3456 | rocker_port->vlan_bitmap)) | |
6c707945 SF |
3457 | return 0; /* already removed */ |
3458 | ||
9228ad26 SF |
3459 | change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); |
3460 | ||
6c707945 | 3461 | if (adding) { |
c4f20321 | 3462 | err = rocker_port_ctrl_vlan_add(rocker_port, trans, flags, |
6c707945 SF |
3463 | internal_vlan_id); |
3464 | if (err) { | |
3465 | netdev_err(rocker_port->dev, | |
3466 | "Error (%d) port ctrl vlan add\n", err); | |
9228ad26 | 3467 | goto err_out; |
6c707945 SF |
3468 | } |
3469 | } | |
3470 | ||
c4f20321 | 3471 | err = rocker_port_vlan_l2_groups(rocker_port, trans, flags, |
6c707945 SF |
3472 | internal_vlan_id, untagged); |
3473 | if (err) { | |
3474 | netdev_err(rocker_port->dev, | |
3475 | "Error (%d) port VLAN l2 groups\n", err); | |
9228ad26 | 3476 | goto err_out; |
6c707945 SF |
3477 | } |
3478 | ||
c4f20321 | 3479 | err = rocker_port_vlan_flood_group(rocker_port, trans, flags, |
6c707945 SF |
3480 | internal_vlan_id); |
3481 | if (err) { | |
3482 | netdev_err(rocker_port->dev, | |
3483 | "Error (%d) port VLAN l2 flood group\n", err); | |
9228ad26 | 3484 | goto err_out; |
6c707945 SF |
3485 | } |
3486 | ||
c4f20321 | 3487 | err = rocker_flow_tbl_vlan(rocker_port, trans, flags, |
4a6bb6d3 | 3488 | in_pport, vlan_id, vlan_id_mask, |
6c707945 SF |
3489 | goto_tbl, untagged, internal_vlan_id); |
3490 | if (err) | |
3491 | netdev_err(rocker_port->dev, | |
3492 | "Error (%d) port VLAN table\n", err); | |
3493 | ||
9228ad26 SF |
3494 | err_out: |
3495 | if (trans == SWITCHDEV_TRANS_PREPARE) | |
3496 | change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); | |
3497 | ||
6c707945 SF |
3498 | return err; |
3499 | } | |
3500 | ||
c4f20321 SF |
3501 | static int rocker_port_ig_tbl(struct rocker_port *rocker_port, |
3502 | enum switchdev_trans trans, int flags) | |
9f6bbf7c SF |
3503 | { |
3504 | enum rocker_of_dpa_table_id goto_tbl; | |
4a6bb6d3 SF |
3505 | u32 in_pport; |
3506 | u32 in_pport_mask; | |
9f6bbf7c SF |
3507 | int err; |
3508 | ||
3509 | /* Normal Ethernet Frames. Matches pkts from any local physical | |
3510 | * ports. Goto VLAN tbl. | |
3511 | */ | |
3512 | ||
4a6bb6d3 SF |
3513 | in_pport = 0; |
3514 | in_pport_mask = 0xffff0000; | |
9f6bbf7c SF |
3515 | goto_tbl = ROCKER_OF_DPA_TABLE_ID_VLAN; |
3516 | ||
c4f20321 | 3517 | err = rocker_flow_tbl_ig_port(rocker_port, trans, flags, |
4a6bb6d3 | 3518 | in_pport, in_pport_mask, |
9f6bbf7c SF |
3519 | goto_tbl); |
3520 | if (err) | |
3521 | netdev_err(rocker_port->dev, | |
3522 | "Error (%d) ingress port table entry\n", err); | |
3523 | ||
3524 | return err; | |
3525 | } | |
3526 | ||
6c707945 SF |
3527 | struct rocker_fdb_learn_work { |
3528 | struct work_struct work; | |
c4f20321 SF |
3529 | struct rocker_port *rocker_port; |
3530 | enum switchdev_trans trans; | |
6c707945 SF |
3531 | int flags; |
3532 | u8 addr[ETH_ALEN]; | |
3533 | u16 vid; | |
3534 | }; | |
3535 | ||
3536 | static void rocker_port_fdb_learn_work(struct work_struct *work) | |
3537 | { | |
e5054643 | 3538 | const struct rocker_fdb_learn_work *lw = |
6c707945 SF |
3539 | container_of(work, struct rocker_fdb_learn_work, work); |
3540 | bool removing = (lw->flags & ROCKER_OP_FLAG_REMOVE); | |
3541 | bool learned = (lw->flags & ROCKER_OP_FLAG_LEARNED); | |
ebb9a03a | 3542 | struct switchdev_notifier_fdb_info info; |
3aeb6617 JP |
3543 | |
3544 | info.addr = lw->addr; | |
3545 | info.vid = lw->vid; | |
6c707945 | 3546 | |
51ace887 | 3547 | if (learned && removing) |
ebb9a03a | 3548 | call_switchdev_notifiers(SWITCHDEV_FDB_DEL, |
c4f20321 | 3549 | lw->rocker_port->dev, &info.info); |
51ace887 | 3550 | else if (learned && !removing) |
ebb9a03a | 3551 | call_switchdev_notifiers(SWITCHDEV_FDB_ADD, |
c4f20321 | 3552 | lw->rocker_port->dev, &info.info); |
6c707945 | 3553 | |
0985df73 | 3554 | rocker_port_kfree(lw->trans, work); |
6c707945 SF |
3555 | } |
3556 | ||
3557 | static int rocker_port_fdb_learn(struct rocker_port *rocker_port, | |
c4f20321 SF |
3558 | enum switchdev_trans trans, int flags, |
3559 | const u8 *addr, __be16 vlan_id) | |
6c707945 SF |
3560 | { |
3561 | struct rocker_fdb_learn_work *lw; | |
3562 | enum rocker_of_dpa_table_id goto_tbl = | |
3563 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
4a6bb6d3 | 3564 | u32 out_pport = rocker_port->pport; |
6c707945 SF |
3565 | u32 tunnel_id = 0; |
3566 | u32 group_id = ROCKER_GROUP_NONE; | |
5111f80c | 3567 | bool syncing = !!(rocker_port->brport_flags & BR_LEARNING_SYNC); |
6c707945 SF |
3568 | bool copy_to_cpu = false; |
3569 | int err; | |
3570 | ||
3571 | if (rocker_port_is_bridged(rocker_port)) | |
4a6bb6d3 | 3572 | group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
6c707945 SF |
3573 | |
3574 | if (!(flags & ROCKER_OP_FLAG_REFRESH)) { | |
c4f20321 SF |
3575 | err = rocker_flow_tbl_bridge(rocker_port, trans, flags, addr, |
3576 | NULL, vlan_id, tunnel_id, goto_tbl, | |
6c707945 SF |
3577 | group_id, copy_to_cpu); |
3578 | if (err) | |
3579 | return err; | |
3580 | } | |
3581 | ||
5111f80c SF |
3582 | if (!syncing) |
3583 | return 0; | |
3584 | ||
6c707945 SF |
3585 | if (!rocker_port_is_bridged(rocker_port)) |
3586 | return 0; | |
3587 | ||
179f9a25 | 3588 | lw = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*lw)); |
6c707945 SF |
3589 | if (!lw) |
3590 | return -ENOMEM; | |
3591 | ||
3592 | INIT_WORK(&lw->work, rocker_port_fdb_learn_work); | |
3593 | ||
c4f20321 SF |
3594 | lw->rocker_port = rocker_port; |
3595 | lw->trans = trans; | |
6c707945 SF |
3596 | lw->flags = flags; |
3597 | ether_addr_copy(lw->addr, addr); | |
3598 | lw->vid = rocker_port_vlan_to_vid(rocker_port, vlan_id); | |
3599 | ||
c4f20321 | 3600 | if (trans == SWITCHDEV_TRANS_PREPARE) |
0985df73 | 3601 | rocker_port_kfree(trans, lw); |
c4f20321 SF |
3602 | else |
3603 | schedule_work(&lw->work); | |
6c707945 SF |
3604 | |
3605 | return 0; | |
3606 | } | |
3607 | ||
3608 | static struct rocker_fdb_tbl_entry * | |
e5054643 SH |
3609 | rocker_fdb_tbl_find(const struct rocker *rocker, |
3610 | const struct rocker_fdb_tbl_entry *match) | |
6c707945 SF |
3611 | { |
3612 | struct rocker_fdb_tbl_entry *found; | |
3613 | ||
3614 | hash_for_each_possible(rocker->fdb_tbl, found, entry, match->key_crc32) | |
3615 | if (memcmp(&found->key, &match->key, sizeof(found->key)) == 0) | |
3616 | return found; | |
3617 | ||
3618 | return NULL; | |
3619 | } | |
3620 | ||
3621 | static int rocker_port_fdb(struct rocker_port *rocker_port, | |
c4f20321 | 3622 | enum switchdev_trans trans, |
6c707945 SF |
3623 | const unsigned char *addr, |
3624 | __be16 vlan_id, int flags) | |
3625 | { | |
3626 | struct rocker *rocker = rocker_port->rocker; | |
3627 | struct rocker_fdb_tbl_entry *fdb; | |
3628 | struct rocker_fdb_tbl_entry *found; | |
3629 | bool removing = (flags & ROCKER_OP_FLAG_REMOVE); | |
3630 | unsigned long lock_flags; | |
3631 | ||
179f9a25 | 3632 | fdb = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*fdb)); |
6c707945 SF |
3633 | if (!fdb) |
3634 | return -ENOMEM; | |
3635 | ||
3636 | fdb->learned = (flags & ROCKER_OP_FLAG_LEARNED); | |
4a6bb6d3 | 3637 | fdb->key.pport = rocker_port->pport; |
6c707945 SF |
3638 | ether_addr_copy(fdb->key.addr, addr); |
3639 | fdb->key.vlan_id = vlan_id; | |
3640 | fdb->key_crc32 = crc32(~0, &fdb->key, sizeof(fdb->key)); | |
3641 | ||
3642 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); | |
3643 | ||
3644 | found = rocker_fdb_tbl_find(rocker, fdb); | |
3645 | ||
3646 | if (removing && found) { | |
0985df73 | 3647 | rocker_port_kfree(trans, fdb); |
42e94889 SH |
3648 | if (trans != SWITCHDEV_TRANS_PREPARE) |
3649 | hash_del(&found->entry); | |
6c707945 | 3650 | } else if (!removing && !found) { |
42e94889 SH |
3651 | if (trans != SWITCHDEV_TRANS_PREPARE) |
3652 | hash_add(rocker->fdb_tbl, &fdb->entry, fdb->key_crc32); | |
6c707945 SF |
3653 | } |
3654 | ||
3655 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
3656 | ||
3657 | /* Check if adding and already exists, or removing and can't find */ | |
3658 | if (!found != !removing) { | |
0985df73 | 3659 | rocker_port_kfree(trans, fdb); |
6c707945 SF |
3660 | if (!found && removing) |
3661 | return 0; | |
3662 | /* Refreshing existing to update aging timers */ | |
3663 | flags |= ROCKER_OP_FLAG_REFRESH; | |
3664 | } | |
3665 | ||
c4f20321 | 3666 | return rocker_port_fdb_learn(rocker_port, trans, flags, addr, vlan_id); |
6c707945 SF |
3667 | } |
3668 | ||
c4f20321 | 3669 | static int rocker_port_fdb_flush(struct rocker_port *rocker_port, |
179f9a25 | 3670 | enum switchdev_trans trans, int flags) |
6c707945 SF |
3671 | { |
3672 | struct rocker *rocker = rocker_port->rocker; | |
3673 | struct rocker_fdb_tbl_entry *found; | |
3674 | unsigned long lock_flags; | |
6c707945 SF |
3675 | struct hlist_node *tmp; |
3676 | int bkt; | |
3677 | int err = 0; | |
3678 | ||
3679 | if (rocker_port->stp_state == BR_STATE_LEARNING || | |
3680 | rocker_port->stp_state == BR_STATE_FORWARDING) | |
3681 | return 0; | |
3682 | ||
179f9a25 SF |
3683 | flags |= ROCKER_OP_FLAG_REMOVE; |
3684 | ||
6c707945 SF |
3685 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); |
3686 | ||
3687 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) { | |
4a6bb6d3 | 3688 | if (found->key.pport != rocker_port->pport) |
6c707945 SF |
3689 | continue; |
3690 | if (!found->learned) | |
3691 | continue; | |
c4f20321 | 3692 | err = rocker_port_fdb_learn(rocker_port, trans, flags, |
6c707945 SF |
3693 | found->key.addr, |
3694 | found->key.vlan_id); | |
3695 | if (err) | |
3696 | goto err_out; | |
3098ac39 SH |
3697 | if (trans != SWITCHDEV_TRANS_PREPARE) |
3698 | hash_del(&found->entry); | |
6c707945 SF |
3699 | } |
3700 | ||
3701 | err_out: | |
3702 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
3703 | ||
3704 | return err; | |
3705 | } | |
3706 | ||
9f6bbf7c | 3707 | static int rocker_port_router_mac(struct rocker_port *rocker_port, |
c4f20321 SF |
3708 | enum switchdev_trans trans, int flags, |
3709 | __be16 vlan_id) | |
9f6bbf7c | 3710 | { |
4a6bb6d3 | 3711 | u32 in_pport_mask = 0xffffffff; |
9f6bbf7c SF |
3712 | __be16 eth_type; |
3713 | const u8 *dst_mac_mask = ff_mac; | |
3714 | __be16 vlan_id_mask = htons(0xffff); | |
3715 | bool copy_to_cpu = false; | |
3716 | int err; | |
3717 | ||
3718 | if (ntohs(vlan_id) == 0) | |
3719 | vlan_id = rocker_port->internal_vlan_id; | |
3720 | ||
3721 | eth_type = htons(ETH_P_IP); | |
c4f20321 | 3722 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3723 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3724 | eth_type, rocker_port->dev->dev_addr, |
3725 | dst_mac_mask, vlan_id, vlan_id_mask, | |
3726 | copy_to_cpu, flags); | |
3727 | if (err) | |
3728 | return err; | |
3729 | ||
3730 | eth_type = htons(ETH_P_IPV6); | |
c4f20321 | 3731 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3732 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3733 | eth_type, rocker_port->dev->dev_addr, |
3734 | dst_mac_mask, vlan_id, vlan_id_mask, | |
3735 | copy_to_cpu, flags); | |
3736 | ||
3737 | return err; | |
3738 | } | |
3739 | ||
c4f20321 | 3740 | static int rocker_port_fwding(struct rocker_port *rocker_port, |
179f9a25 | 3741 | enum switchdev_trans trans, int flags) |
6c707945 SF |
3742 | { |
3743 | bool pop_vlan; | |
4a6bb6d3 | 3744 | u32 out_pport; |
6c707945 SF |
3745 | __be16 vlan_id; |
3746 | u16 vid; | |
6c707945 SF |
3747 | int err; |
3748 | ||
3749 | /* Port will be forwarding-enabled if its STP state is LEARNING | |
3750 | * or FORWARDING. Traffic from CPU can still egress, regardless of | |
3751 | * port STP state. Use L2 interface group on port VLANs as a way | |
3752 | * to toggle port forwarding: if forwarding is disabled, L2 | |
3753 | * interface group will not exist. | |
3754 | */ | |
3755 | ||
3756 | if (rocker_port->stp_state != BR_STATE_LEARNING && | |
3757 | rocker_port->stp_state != BR_STATE_FORWARDING) | |
3758 | flags |= ROCKER_OP_FLAG_REMOVE; | |
3759 | ||
4a6bb6d3 | 3760 | out_pport = rocker_port->pport; |
6c707945 SF |
3761 | for (vid = 1; vid < VLAN_N_VID; vid++) { |
3762 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
3763 | continue; | |
3764 | vlan_id = htons(vid); | |
3765 | pop_vlan = rocker_vlan_id_is_internal(vlan_id); | |
c4f20321 SF |
3766 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
3767 | vlan_id, out_pport, pop_vlan); | |
6c707945 SF |
3768 | if (err) { |
3769 | netdev_err(rocker_port->dev, | |
4a6bb6d3 SF |
3770 | "Error (%d) port VLAN l2 group for pport %d\n", |
3771 | err, out_pport); | |
6c707945 SF |
3772 | return err; |
3773 | } | |
3774 | } | |
3775 | ||
3776 | return 0; | |
3777 | } | |
3778 | ||
c4f20321 | 3779 | static int rocker_port_stp_update(struct rocker_port *rocker_port, |
179f9a25 SF |
3780 | enum switchdev_trans trans, int flags, |
3781 | u8 state) | |
6c707945 SF |
3782 | { |
3783 | bool want[ROCKER_CTRL_MAX] = { 0, }; | |
c4f20321 SF |
3784 | bool prev_ctrls[ROCKER_CTRL_MAX]; |
3785 | u8 prev_state; | |
6c707945 SF |
3786 | int err; |
3787 | int i; | |
3788 | ||
c4f20321 SF |
3789 | if (trans == SWITCHDEV_TRANS_PREPARE) { |
3790 | memcpy(prev_ctrls, rocker_port->ctrls, sizeof(prev_ctrls)); | |
3791 | prev_state = rocker_port->stp_state; | |
3792 | } | |
3793 | ||
6c707945 SF |
3794 | if (rocker_port->stp_state == state) |
3795 | return 0; | |
3796 | ||
3797 | rocker_port->stp_state = state; | |
3798 | ||
3799 | switch (state) { | |
3800 | case BR_STATE_DISABLED: | |
3801 | /* port is completely disabled */ | |
3802 | break; | |
3803 | case BR_STATE_LISTENING: | |
3804 | case BR_STATE_BLOCKING: | |
3805 | want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true; | |
3806 | break; | |
3807 | case BR_STATE_LEARNING: | |
3808 | case BR_STATE_FORWARDING: | |
8254973f SH |
3809 | if (!rocker_port_is_ovsed(rocker_port)) |
3810 | want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true; | |
6c707945 SF |
3811 | want[ROCKER_CTRL_IPV4_MCAST] = true; |
3812 | want[ROCKER_CTRL_IPV6_MCAST] = true; | |
3813 | if (rocker_port_is_bridged(rocker_port)) | |
3814 | want[ROCKER_CTRL_DFLT_BRIDGING] = true; | |
8254973f SH |
3815 | else if (rocker_port_is_ovsed(rocker_port)) |
3816 | want[ROCKER_CTRL_DFLT_OVS] = true; | |
6c707945 SF |
3817 | else |
3818 | want[ROCKER_CTRL_LOCAL_ARP] = true; | |
3819 | break; | |
3820 | } | |
3821 | ||
3822 | for (i = 0; i < ROCKER_CTRL_MAX; i++) { | |
3823 | if (want[i] != rocker_port->ctrls[i]) { | |
179f9a25 SF |
3824 | int ctrl_flags = flags | |
3825 | (want[i] ? 0 : ROCKER_OP_FLAG_REMOVE); | |
3826 | err = rocker_port_ctrl(rocker_port, trans, ctrl_flags, | |
6c707945 SF |
3827 | &rocker_ctrls[i]); |
3828 | if (err) | |
c4f20321 | 3829 | goto err_out; |
6c707945 SF |
3830 | rocker_port->ctrls[i] = want[i]; |
3831 | } | |
3832 | } | |
3833 | ||
179f9a25 | 3834 | err = rocker_port_fdb_flush(rocker_port, trans, flags); |
6c707945 | 3835 | if (err) |
c4f20321 | 3836 | goto err_out; |
6c707945 | 3837 | |
179f9a25 | 3838 | err = rocker_port_fwding(rocker_port, trans, flags); |
c4f20321 SF |
3839 | |
3840 | err_out: | |
3841 | if (trans == SWITCHDEV_TRANS_PREPARE) { | |
3842 | memcpy(rocker_port->ctrls, prev_ctrls, sizeof(prev_ctrls)); | |
3843 | rocker_port->stp_state = prev_state; | |
3844 | } | |
3845 | ||
3846 | return err; | |
6c707945 SF |
3847 | } |
3848 | ||
c4f20321 | 3849 | static int rocker_port_fwd_enable(struct rocker_port *rocker_port, |
179f9a25 | 3850 | enum switchdev_trans trans, int flags) |
e47172ab SF |
3851 | { |
3852 | if (rocker_port_is_bridged(rocker_port)) | |
3853 | /* bridge STP will enable port */ | |
3854 | return 0; | |
3855 | ||
3856 | /* port is not bridged, so simulate going to FORWARDING state */ | |
179f9a25 SF |
3857 | return rocker_port_stp_update(rocker_port, trans, flags, |
3858 | BR_STATE_FORWARDING); | |
e47172ab SF |
3859 | } |
3860 | ||
c4f20321 | 3861 | static int rocker_port_fwd_disable(struct rocker_port *rocker_port, |
179f9a25 | 3862 | enum switchdev_trans trans, int flags) |
e47172ab SF |
3863 | { |
3864 | if (rocker_port_is_bridged(rocker_port)) | |
3865 | /* bridge STP will disable port */ | |
3866 | return 0; | |
3867 | ||
3868 | /* port is not bridged, so simulate going to DISABLED state */ | |
179f9a25 SF |
3869 | return rocker_port_stp_update(rocker_port, trans, flags, |
3870 | BR_STATE_DISABLED); | |
e47172ab SF |
3871 | } |
3872 | ||
9f6bbf7c | 3873 | static struct rocker_internal_vlan_tbl_entry * |
e5054643 | 3874 | rocker_internal_vlan_tbl_find(const struct rocker *rocker, int ifindex) |
9f6bbf7c SF |
3875 | { |
3876 | struct rocker_internal_vlan_tbl_entry *found; | |
3877 | ||
3878 | hash_for_each_possible(rocker->internal_vlan_tbl, found, | |
3879 | entry, ifindex) { | |
3880 | if (found->ifindex == ifindex) | |
3881 | return found; | |
3882 | } | |
3883 | ||
3884 | return NULL; | |
3885 | } | |
3886 | ||
3887 | static __be16 rocker_port_internal_vlan_id_get(struct rocker_port *rocker_port, | |
3888 | int ifindex) | |
3889 | { | |
3890 | struct rocker *rocker = rocker_port->rocker; | |
3891 | struct rocker_internal_vlan_tbl_entry *entry; | |
3892 | struct rocker_internal_vlan_tbl_entry *found; | |
3893 | unsigned long lock_flags; | |
3894 | int i; | |
3895 | ||
df6a2067 | 3896 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
9f6bbf7c SF |
3897 | if (!entry) |
3898 | return 0; | |
3899 | ||
3900 | entry->ifindex = ifindex; | |
3901 | ||
3902 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3903 | ||
3904 | found = rocker_internal_vlan_tbl_find(rocker, ifindex); | |
3905 | if (found) { | |
df6a2067 | 3906 | kfree(entry); |
9f6bbf7c SF |
3907 | goto found; |
3908 | } | |
3909 | ||
3910 | found = entry; | |
3911 | hash_add(rocker->internal_vlan_tbl, &found->entry, found->ifindex); | |
3912 | ||
3913 | for (i = 0; i < ROCKER_N_INTERNAL_VLANS; i++) { | |
3914 | if (test_and_set_bit(i, rocker->internal_vlan_bitmap)) | |
3915 | continue; | |
3916 | found->vlan_id = htons(ROCKER_INTERNAL_VLAN_ID_BASE + i); | |
3917 | goto found; | |
3918 | } | |
3919 | ||
3920 | netdev_err(rocker_port->dev, "Out of internal VLAN IDs\n"); | |
3921 | ||
3922 | found: | |
3923 | found->ref_count++; | |
3924 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3925 | ||
3926 | return found->vlan_id; | |
3927 | } | |
3928 | ||
e5054643 SH |
3929 | static void |
3930 | rocker_port_internal_vlan_id_put(const struct rocker_port *rocker_port, | |
3931 | int ifindex) | |
9f6bbf7c SF |
3932 | { |
3933 | struct rocker *rocker = rocker_port->rocker; | |
3934 | struct rocker_internal_vlan_tbl_entry *found; | |
3935 | unsigned long lock_flags; | |
3936 | unsigned long bit; | |
3937 | ||
3938 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3939 | ||
3940 | found = rocker_internal_vlan_tbl_find(rocker, ifindex); | |
3941 | if (!found) { | |
3942 | netdev_err(rocker_port->dev, | |
3943 | "ifindex (%d) not found in internal VLAN tbl\n", | |
3944 | ifindex); | |
3945 | goto not_found; | |
3946 | } | |
3947 | ||
3948 | if (--found->ref_count <= 0) { | |
3949 | bit = ntohs(found->vlan_id) - ROCKER_INTERNAL_VLAN_ID_BASE; | |
3950 | clear_bit(bit, rocker->internal_vlan_bitmap); | |
3951 | hash_del(&found->entry); | |
df6a2067 | 3952 | kfree(found); |
9f6bbf7c SF |
3953 | } |
3954 | ||
3955 | not_found: | |
3956 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3957 | } | |
3958 | ||
c4f20321 SF |
3959 | static int rocker_port_fib_ipv4(struct rocker_port *rocker_port, |
3960 | enum switchdev_trans trans, __be32 dst, | |
e5054643 SH |
3961 | int dst_len, const struct fib_info *fi, |
3962 | u32 tb_id, int flags) | |
c1beeef7 | 3963 | { |
e5054643 | 3964 | const struct fib_nh *nh; |
c1beeef7 SF |
3965 | __be16 eth_type = htons(ETH_P_IP); |
3966 | __be32 dst_mask = inet_make_mask(dst_len); | |
3967 | __be16 internal_vlan_id = rocker_port->internal_vlan_id; | |
3968 | u32 priority = fi->fib_priority; | |
3969 | enum rocker_of_dpa_table_id goto_tbl = | |
3970 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
3971 | u32 group_id; | |
3972 | bool nh_on_port; | |
3973 | bool has_gw; | |
3974 | u32 index; | |
3975 | int err; | |
3976 | ||
3977 | /* XXX support ECMP */ | |
3978 | ||
3979 | nh = fi->fib_nh; | |
3980 | nh_on_port = (fi->fib_dev == rocker_port->dev); | |
3981 | has_gw = !!nh->nh_gw; | |
3982 | ||
3983 | if (has_gw && nh_on_port) { | |
c4f20321 | 3984 | err = rocker_port_ipv4_nh(rocker_port, trans, flags, |
c1beeef7 SF |
3985 | nh->nh_gw, &index); |
3986 | if (err) | |
3987 | return err; | |
3988 | ||
3989 | group_id = ROCKER_GROUP_L3_UNICAST(index); | |
3990 | } else { | |
3991 | /* Send to CPU for processing */ | |
3992 | group_id = ROCKER_GROUP_L2_INTERFACE(internal_vlan_id, 0); | |
3993 | } | |
3994 | ||
c4f20321 | 3995 | err = rocker_flow_tbl_ucast4_routing(rocker_port, trans, eth_type, dst, |
c1beeef7 SF |
3996 | dst_mask, priority, goto_tbl, |
3997 | group_id, flags); | |
3998 | if (err) | |
3999 | netdev_err(rocker_port->dev, "Error (%d) IPv4 route %pI4\n", | |
4000 | err, &dst); | |
4001 | ||
4002 | return err; | |
4003 | } | |
4004 | ||
4b8ac966 JP |
4005 | /***************** |
4006 | * Net device ops | |
4007 | *****************/ | |
4008 | ||
4009 | static int rocker_port_open(struct net_device *dev) | |
4010 | { | |
4011 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4012 | int err; | |
4013 | ||
4014 | err = rocker_port_dma_rings_init(rocker_port); | |
4015 | if (err) | |
4016 | return err; | |
4017 | ||
4018 | err = request_irq(rocker_msix_tx_vector(rocker_port), | |
4019 | rocker_tx_irq_handler, 0, | |
4020 | rocker_driver_name, rocker_port); | |
4021 | if (err) { | |
4022 | netdev_err(rocker_port->dev, "cannot assign tx irq\n"); | |
4023 | goto err_request_tx_irq; | |
4024 | } | |
4025 | ||
4026 | err = request_irq(rocker_msix_rx_vector(rocker_port), | |
4027 | rocker_rx_irq_handler, 0, | |
4028 | rocker_driver_name, rocker_port); | |
4029 | if (err) { | |
4030 | netdev_err(rocker_port->dev, "cannot assign rx irq\n"); | |
4031 | goto err_request_rx_irq; | |
4032 | } | |
4033 | ||
179f9a25 | 4034 | err = rocker_port_fwd_enable(rocker_port, SWITCHDEV_TRANS_NONE, 0); |
6c707945 | 4035 | if (err) |
e47172ab | 4036 | goto err_fwd_enable; |
6c707945 | 4037 | |
4b8ac966 JP |
4038 | napi_enable(&rocker_port->napi_tx); |
4039 | napi_enable(&rocker_port->napi_rx); | |
c3055246 AK |
4040 | if (!dev->proto_down) |
4041 | rocker_port_set_enable(rocker_port, true); | |
4b8ac966 JP |
4042 | netif_start_queue(dev); |
4043 | return 0; | |
4044 | ||
e47172ab | 4045 | err_fwd_enable: |
6c707945 | 4046 | free_irq(rocker_msix_rx_vector(rocker_port), rocker_port); |
4b8ac966 JP |
4047 | err_request_rx_irq: |
4048 | free_irq(rocker_msix_tx_vector(rocker_port), rocker_port); | |
4049 | err_request_tx_irq: | |
4050 | rocker_port_dma_rings_fini(rocker_port); | |
4051 | return err; | |
4052 | } | |
4053 | ||
4054 | static int rocker_port_stop(struct net_device *dev) | |
4055 | { | |
4056 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4057 | ||
4058 | netif_stop_queue(dev); | |
4059 | rocker_port_set_enable(rocker_port, false); | |
4060 | napi_disable(&rocker_port->napi_rx); | |
4061 | napi_disable(&rocker_port->napi_tx); | |
f66feaa9 SF |
4062 | rocker_port_fwd_disable(rocker_port, SWITCHDEV_TRANS_NONE, |
4063 | ROCKER_OP_FLAG_NOWAIT); | |
4b8ac966 JP |
4064 | free_irq(rocker_msix_rx_vector(rocker_port), rocker_port); |
4065 | free_irq(rocker_msix_tx_vector(rocker_port), rocker_port); | |
4066 | rocker_port_dma_rings_fini(rocker_port); | |
4067 | ||
4068 | return 0; | |
4069 | } | |
4070 | ||
e5054643 SH |
4071 | static void rocker_tx_desc_frags_unmap(const struct rocker_port *rocker_port, |
4072 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 4073 | { |
e5054643 | 4074 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 | 4075 | struct pci_dev *pdev = rocker->pdev; |
e5054643 | 4076 | const struct rocker_tlv *attrs[ROCKER_TLV_TX_MAX + 1]; |
4b8ac966 JP |
4077 | struct rocker_tlv *attr; |
4078 | int rem; | |
4079 | ||
4080 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_TX_MAX, desc_info); | |
4081 | if (!attrs[ROCKER_TLV_TX_FRAGS]) | |
4082 | return; | |
4083 | rocker_tlv_for_each_nested(attr, attrs[ROCKER_TLV_TX_FRAGS], rem) { | |
e5054643 | 4084 | const struct rocker_tlv *frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_MAX + 1]; |
4b8ac966 JP |
4085 | dma_addr_t dma_handle; |
4086 | size_t len; | |
4087 | ||
4088 | if (rocker_tlv_type(attr) != ROCKER_TLV_TX_FRAG) | |
4089 | continue; | |
4090 | rocker_tlv_parse_nested(frag_attrs, ROCKER_TLV_TX_FRAG_ATTR_MAX, | |
4091 | attr); | |
4092 | if (!frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_ADDR] || | |
4093 | !frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_LEN]) | |
4094 | continue; | |
4095 | dma_handle = rocker_tlv_get_u64(frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_ADDR]); | |
4096 | len = rocker_tlv_get_u16(frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_LEN]); | |
4097 | pci_unmap_single(pdev, dma_handle, len, DMA_TO_DEVICE); | |
4098 | } | |
4099 | } | |
4100 | ||
e5054643 | 4101 | static int rocker_tx_desc_frag_map_put(const struct rocker_port *rocker_port, |
4b8ac966 JP |
4102 | struct rocker_desc_info *desc_info, |
4103 | char *buf, size_t buf_len) | |
4104 | { | |
e5054643 | 4105 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4106 | struct pci_dev *pdev = rocker->pdev; |
4107 | dma_addr_t dma_handle; | |
4108 | struct rocker_tlv *frag; | |
4109 | ||
4110 | dma_handle = pci_map_single(pdev, buf, buf_len, DMA_TO_DEVICE); | |
4111 | if (unlikely(pci_dma_mapping_error(pdev, dma_handle))) { | |
4112 | if (net_ratelimit()) | |
4113 | netdev_err(rocker_port->dev, "failed to dma map tx frag\n"); | |
4114 | return -EIO; | |
4115 | } | |
4116 | frag = rocker_tlv_nest_start(desc_info, ROCKER_TLV_TX_FRAG); | |
4117 | if (!frag) | |
4118 | goto unmap_frag; | |
4119 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_TX_FRAG_ATTR_ADDR, | |
4120 | dma_handle)) | |
4121 | goto nest_cancel; | |
4122 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_TX_FRAG_ATTR_LEN, | |
4123 | buf_len)) | |
4124 | goto nest_cancel; | |
4125 | rocker_tlv_nest_end(desc_info, frag); | |
4126 | return 0; | |
4127 | ||
4128 | nest_cancel: | |
4129 | rocker_tlv_nest_cancel(desc_info, frag); | |
4130 | unmap_frag: | |
4131 | pci_unmap_single(pdev, dma_handle, buf_len, DMA_TO_DEVICE); | |
4132 | return -EMSGSIZE; | |
4133 | } | |
4134 | ||
4135 | static netdev_tx_t rocker_port_xmit(struct sk_buff *skb, struct net_device *dev) | |
4136 | { | |
4137 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4138 | struct rocker *rocker = rocker_port->rocker; | |
4139 | struct rocker_desc_info *desc_info; | |
4140 | struct rocker_tlv *frags; | |
4141 | int i; | |
4142 | int err; | |
4143 | ||
4144 | desc_info = rocker_desc_head_get(&rocker_port->tx_ring); | |
4145 | if (unlikely(!desc_info)) { | |
4146 | if (net_ratelimit()) | |
4147 | netdev_err(dev, "tx ring full when queue awake\n"); | |
4148 | return NETDEV_TX_BUSY; | |
4149 | } | |
4150 | ||
4151 | rocker_desc_cookie_ptr_set(desc_info, skb); | |
4152 | ||
4153 | frags = rocker_tlv_nest_start(desc_info, ROCKER_TLV_TX_FRAGS); | |
4154 | if (!frags) | |
4155 | goto out; | |
4156 | err = rocker_tx_desc_frag_map_put(rocker_port, desc_info, | |
4157 | skb->data, skb_headlen(skb)); | |
4158 | if (err) | |
4159 | goto nest_cancel; | |
95b9be64 JP |
4160 | if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX) { |
4161 | err = skb_linearize(skb); | |
4162 | if (err) | |
4163 | goto unmap_frags; | |
4164 | } | |
4b8ac966 JP |
4165 | |
4166 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
4167 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
4168 | ||
4169 | err = rocker_tx_desc_frag_map_put(rocker_port, desc_info, | |
4170 | skb_frag_address(frag), | |
4171 | skb_frag_size(frag)); | |
4172 | if (err) | |
4173 | goto unmap_frags; | |
4174 | } | |
4175 | rocker_tlv_nest_end(desc_info, frags); | |
4176 | ||
4177 | rocker_desc_gen_clear(desc_info); | |
4178 | rocker_desc_head_set(rocker, &rocker_port->tx_ring, desc_info); | |
4179 | ||
4180 | desc_info = rocker_desc_head_get(&rocker_port->tx_ring); | |
4181 | if (!desc_info) | |
4182 | netif_stop_queue(dev); | |
4183 | ||
4184 | return NETDEV_TX_OK; | |
4185 | ||
4186 | unmap_frags: | |
4187 | rocker_tx_desc_frags_unmap(rocker_port, desc_info); | |
4188 | nest_cancel: | |
4189 | rocker_tlv_nest_cancel(desc_info, frags); | |
4190 | out: | |
4191 | dev_kfree_skb(skb); | |
f2bbca51 DA |
4192 | dev->stats.tx_dropped++; |
4193 | ||
4b8ac966 JP |
4194 | return NETDEV_TX_OK; |
4195 | } | |
4196 | ||
4197 | static int rocker_port_set_mac_address(struct net_device *dev, void *p) | |
4198 | { | |
4199 | struct sockaddr *addr = p; | |
4200 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4201 | int err; | |
4202 | ||
4203 | if (!is_valid_ether_addr(addr->sa_data)) | |
4204 | return -EADDRNOTAVAIL; | |
4205 | ||
4206 | err = rocker_cmd_set_port_settings_macaddr(rocker_port, addr->sa_data); | |
4207 | if (err) | |
4208 | return err; | |
4209 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
4210 | return 0; | |
4211 | } | |
4212 | ||
77a58c74 SF |
4213 | static int rocker_port_change_mtu(struct net_device *dev, int new_mtu) |
4214 | { | |
4215 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4216 | int running = netif_running(dev); | |
4217 | int err; | |
4218 | ||
4219 | #define ROCKER_PORT_MIN_MTU 68 | |
4220 | #define ROCKER_PORT_MAX_MTU 9000 | |
4221 | ||
4222 | if (new_mtu < ROCKER_PORT_MIN_MTU || new_mtu > ROCKER_PORT_MAX_MTU) | |
4223 | return -EINVAL; | |
4224 | ||
4225 | if (running) | |
4226 | rocker_port_stop(dev); | |
4227 | ||
4228 | netdev_info(dev, "MTU change from %d to %d\n", dev->mtu, new_mtu); | |
4229 | dev->mtu = new_mtu; | |
4230 | ||
4231 | err = rocker_cmd_set_port_settings_mtu(rocker_port, new_mtu); | |
4232 | if (err) | |
4233 | return err; | |
4234 | ||
4235 | if (running) | |
4236 | err = rocker_port_open(dev); | |
4237 | ||
4238 | return err; | |
4239 | } | |
4240 | ||
db19170b DA |
4241 | static int rocker_port_get_phys_port_name(struct net_device *dev, |
4242 | char *buf, size_t len) | |
4243 | { | |
4244 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4245 | struct port_name name = { .buf = buf, .len = len }; | |
4246 | int err; | |
4247 | ||
179f9a25 | 4248 | err = rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
db19170b DA |
4249 | rocker_cmd_get_port_settings_prep, NULL, |
4250 | rocker_cmd_get_port_settings_phys_name_proc, | |
c4f20321 | 4251 | &name); |
db19170b DA |
4252 | |
4253 | return err ? -EOPNOTSUPP : 0; | |
4254 | } | |
4255 | ||
c3055246 AK |
4256 | static int rocker_port_change_proto_down(struct net_device *dev, |
4257 | bool proto_down) | |
4258 | { | |
4259 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4260 | ||
4261 | if (rocker_port->dev->flags & IFF_UP) | |
4262 | rocker_port_set_enable(rocker_port, !proto_down); | |
4263 | rocker_port->dev->proto_down = proto_down; | |
4264 | return 0; | |
4265 | } | |
4266 | ||
98237d43 SF |
4267 | static const struct net_device_ops rocker_port_netdev_ops = { |
4268 | .ndo_open = rocker_port_open, | |
4269 | .ndo_stop = rocker_port_stop, | |
4270 | .ndo_start_xmit = rocker_port_xmit, | |
4271 | .ndo_set_mac_address = rocker_port_set_mac_address, | |
77a58c74 | 4272 | .ndo_change_mtu = rocker_port_change_mtu, |
85fdb956 | 4273 | .ndo_bridge_getlink = switchdev_port_bridge_getlink, |
fc8f40d8 | 4274 | .ndo_bridge_setlink = switchdev_port_bridge_setlink, |
54ba5a0b | 4275 | .ndo_bridge_dellink = switchdev_port_bridge_dellink, |
45d4122c SS |
4276 | .ndo_fdb_add = switchdev_port_fdb_add, |
4277 | .ndo_fdb_del = switchdev_port_fdb_del, | |
4278 | .ndo_fdb_dump = switchdev_port_fdb_dump, | |
db19170b | 4279 | .ndo_get_phys_port_name = rocker_port_get_phys_port_name, |
c3055246 | 4280 | .ndo_change_proto_down = rocker_port_change_proto_down, |
98237d43 SF |
4281 | }; |
4282 | ||
4283 | /******************** | |
4284 | * swdev interface | |
4285 | ********************/ | |
4286 | ||
f8e20a9f SF |
4287 | static int rocker_port_attr_get(struct net_device *dev, |
4288 | struct switchdev_attr *attr) | |
4b8ac966 | 4289 | { |
e5054643 SH |
4290 | const struct rocker_port *rocker_port = netdev_priv(dev); |
4291 | const struct rocker *rocker = rocker_port->rocker; | |
4b8ac966 | 4292 | |
f8e20a9f SF |
4293 | switch (attr->id) { |
4294 | case SWITCHDEV_ATTR_PORT_PARENT_ID: | |
42275bd8 SF |
4295 | attr->u.ppid.id_len = sizeof(rocker->hw.id); |
4296 | memcpy(&attr->u.ppid.id, &rocker->hw.id, attr->u.ppid.id_len); | |
f8e20a9f | 4297 | break; |
6004c867 | 4298 | case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS: |
42275bd8 | 4299 | attr->u.brport_flags = rocker_port->brport_flags; |
6004c867 | 4300 | break; |
f8e20a9f SF |
4301 | default: |
4302 | return -EOPNOTSUPP; | |
4303 | } | |
4304 | ||
4b8ac966 JP |
4305 | return 0; |
4306 | } | |
4307 | ||
e5054643 | 4308 | static void rocker_port_trans_abort(const struct rocker_port *rocker_port) |
c4f20321 SF |
4309 | { |
4310 | struct list_head *mem, *tmp; | |
4311 | ||
4312 | list_for_each_safe(mem, tmp, &rocker_port->trans_mem) { | |
4313 | list_del(mem); | |
4314 | kfree(mem); | |
4315 | } | |
4316 | } | |
4317 | ||
6004c867 SF |
4318 | static int rocker_port_brport_flags_set(struct rocker_port *rocker_port, |
4319 | enum switchdev_trans trans, | |
4320 | unsigned long brport_flags) | |
4321 | { | |
4322 | unsigned long orig_flags; | |
4323 | int err = 0; | |
4324 | ||
4325 | orig_flags = rocker_port->brport_flags; | |
4326 | rocker_port->brport_flags = brport_flags; | |
4327 | if ((orig_flags ^ rocker_port->brport_flags) & BR_LEARNING) | |
4328 | err = rocker_port_set_learning(rocker_port, trans); | |
4329 | ||
4330 | if (trans == SWITCHDEV_TRANS_PREPARE) | |
4331 | rocker_port->brport_flags = orig_flags; | |
4332 | ||
4333 | return err; | |
4334 | } | |
4335 | ||
c4f20321 SF |
4336 | static int rocker_port_attr_set(struct net_device *dev, |
4337 | struct switchdev_attr *attr) | |
4338 | { | |
4339 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4340 | int err = 0; | |
4341 | ||
4342 | switch (attr->trans) { | |
4343 | case SWITCHDEV_TRANS_PREPARE: | |
4344 | BUG_ON(!list_empty(&rocker_port->trans_mem)); | |
4345 | break; | |
4346 | case SWITCHDEV_TRANS_ABORT: | |
4347 | rocker_port_trans_abort(rocker_port); | |
4348 | return 0; | |
4349 | default: | |
4350 | break; | |
4351 | } | |
4352 | ||
4353 | switch (attr->id) { | |
35636062 | 4354 | case SWITCHDEV_ATTR_PORT_STP_STATE: |
ac28393e SF |
4355 | err = rocker_port_stp_update(rocker_port, attr->trans, |
4356 | ROCKER_OP_FLAG_NOWAIT, | |
42275bd8 | 4357 | attr->u.stp_state); |
35636062 | 4358 | break; |
6004c867 SF |
4359 | case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS: |
4360 | err = rocker_port_brport_flags_set(rocker_port, attr->trans, | |
42275bd8 | 4361 | attr->u.brport_flags); |
6004c867 | 4362 | break; |
c4f20321 SF |
4363 | default: |
4364 | err = -EOPNOTSUPP; | |
4365 | break; | |
4366 | } | |
4367 | ||
4368 | return err; | |
6c707945 SF |
4369 | } |
4370 | ||
9228ad26 SF |
4371 | static int rocker_port_vlan_add(struct rocker_port *rocker_port, |
4372 | enum switchdev_trans trans, u16 vid, u16 flags) | |
4373 | { | |
4374 | int err; | |
4375 | ||
4376 | /* XXX deal with flags for PVID and untagged */ | |
4377 | ||
4378 | err = rocker_port_vlan(rocker_port, trans, 0, vid); | |
4379 | if (err) | |
4380 | return err; | |
4381 | ||
cec04a60 SF |
4382 | err = rocker_port_router_mac(rocker_port, trans, 0, htons(vid)); |
4383 | if (err) | |
4384 | rocker_port_vlan(rocker_port, trans, | |
4385 | ROCKER_OP_FLAG_REMOVE, vid); | |
4386 | ||
4387 | return err; | |
9228ad26 SF |
4388 | } |
4389 | ||
4390 | static int rocker_port_vlans_add(struct rocker_port *rocker_port, | |
4391 | enum switchdev_trans trans, | |
e5054643 | 4392 | const struct switchdev_obj_vlan *vlan) |
9228ad26 SF |
4393 | { |
4394 | u16 vid; | |
4395 | int err; | |
4396 | ||
3e3a78b4 | 4397 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
9228ad26 SF |
4398 | err = rocker_port_vlan_add(rocker_port, trans, |
4399 | vid, vlan->flags); | |
4400 | if (err) | |
4401 | return err; | |
4402 | } | |
4403 | ||
4404 | return 0; | |
4405 | } | |
4406 | ||
45d4122c SS |
4407 | static int rocker_port_fdb_add(struct rocker_port *rocker_port, |
4408 | enum switchdev_trans trans, | |
e5054643 | 4409 | const struct switchdev_obj_fdb *fdb) |
45d4122c SS |
4410 | { |
4411 | __be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL); | |
4412 | int flags = 0; | |
4413 | ||
4414 | if (!rocker_port_is_bridged(rocker_port)) | |
4415 | return -EINVAL; | |
4416 | ||
4417 | return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags); | |
4418 | } | |
4419 | ||
9228ad26 SF |
4420 | static int rocker_port_obj_add(struct net_device *dev, |
4421 | struct switchdev_obj *obj) | |
4422 | { | |
4423 | struct rocker_port *rocker_port = netdev_priv(dev); | |
e5054643 | 4424 | const struct switchdev_obj_ipv4_fib *fib4; |
9228ad26 SF |
4425 | int err = 0; |
4426 | ||
4427 | switch (obj->trans) { | |
4428 | case SWITCHDEV_TRANS_PREPARE: | |
4429 | BUG_ON(!list_empty(&rocker_port->trans_mem)); | |
4430 | break; | |
4431 | case SWITCHDEV_TRANS_ABORT: | |
4432 | rocker_port_trans_abort(rocker_port); | |
4433 | return 0; | |
4434 | default: | |
4435 | break; | |
4436 | } | |
4437 | ||
4438 | switch (obj->id) { | |
4439 | case SWITCHDEV_OBJ_PORT_VLAN: | |
4440 | err = rocker_port_vlans_add(rocker_port, obj->trans, | |
42275bd8 | 4441 | &obj->u.vlan); |
9228ad26 | 4442 | break; |
58c2cb16 | 4443 | case SWITCHDEV_OBJ_IPV4_FIB: |
42275bd8 | 4444 | fib4 = &obj->u.ipv4_fib; |
58c2cb16 | 4445 | err = rocker_port_fib_ipv4(rocker_port, obj->trans, |
7a7ee531 | 4446 | htonl(fib4->dst), fib4->dst_len, |
58c2cb16 SF |
4447 | fib4->fi, fib4->tb_id, 0); |
4448 | break; | |
45d4122c SS |
4449 | case SWITCHDEV_OBJ_PORT_FDB: |
4450 | err = rocker_port_fdb_add(rocker_port, obj->trans, &obj->u.fdb); | |
4451 | break; | |
9228ad26 SF |
4452 | default: |
4453 | err = -EOPNOTSUPP; | |
4454 | break; | |
4455 | } | |
4456 | ||
4457 | return err; | |
4458 | } | |
4459 | ||
4460 | static int rocker_port_vlan_del(struct rocker_port *rocker_port, | |
4461 | u16 vid, u16 flags) | |
4462 | { | |
4463 | int err; | |
4464 | ||
4465 | err = rocker_port_router_mac(rocker_port, SWITCHDEV_TRANS_NONE, | |
4466 | ROCKER_OP_FLAG_REMOVE, htons(vid)); | |
4467 | if (err) | |
4468 | return err; | |
4469 | ||
4470 | return rocker_port_vlan(rocker_port, SWITCHDEV_TRANS_NONE, | |
4471 | ROCKER_OP_FLAG_REMOVE, vid); | |
4472 | } | |
4473 | ||
4474 | static int rocker_port_vlans_del(struct rocker_port *rocker_port, | |
e5054643 | 4475 | const struct switchdev_obj_vlan *vlan) |
9228ad26 SF |
4476 | { |
4477 | u16 vid; | |
4478 | int err; | |
4479 | ||
3e3a78b4 | 4480 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
9228ad26 SF |
4481 | err = rocker_port_vlan_del(rocker_port, vid, vlan->flags); |
4482 | if (err) | |
4483 | return err; | |
4484 | } | |
4485 | ||
4486 | return 0; | |
4487 | } | |
4488 | ||
45d4122c SS |
4489 | static int rocker_port_fdb_del(struct rocker_port *rocker_port, |
4490 | enum switchdev_trans trans, | |
e5054643 | 4491 | const struct switchdev_obj_fdb *fdb) |
45d4122c SS |
4492 | { |
4493 | __be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL); | |
b4ad7baa | 4494 | int flags = ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_REMOVE; |
45d4122c SS |
4495 | |
4496 | if (!rocker_port_is_bridged(rocker_port)) | |
4497 | return -EINVAL; | |
4498 | ||
4499 | return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags); | |
4500 | } | |
4501 | ||
9228ad26 SF |
4502 | static int rocker_port_obj_del(struct net_device *dev, |
4503 | struct switchdev_obj *obj) | |
4504 | { | |
4505 | struct rocker_port *rocker_port = netdev_priv(dev); | |
e5054643 | 4506 | const struct switchdev_obj_ipv4_fib *fib4; |
9228ad26 SF |
4507 | int err = 0; |
4508 | ||
4509 | switch (obj->id) { | |
4510 | case SWITCHDEV_OBJ_PORT_VLAN: | |
42275bd8 | 4511 | err = rocker_port_vlans_del(rocker_port, &obj->u.vlan); |
9228ad26 | 4512 | break; |
58c2cb16 | 4513 | case SWITCHDEV_OBJ_IPV4_FIB: |
42275bd8 | 4514 | fib4 = &obj->u.ipv4_fib; |
58c2cb16 | 4515 | err = rocker_port_fib_ipv4(rocker_port, SWITCHDEV_TRANS_NONE, |
7a7ee531 SF |
4516 | htonl(fib4->dst), fib4->dst_len, |
4517 | fib4->fi, fib4->tb_id, | |
4518 | ROCKER_OP_FLAG_REMOVE); | |
58c2cb16 | 4519 | break; |
45d4122c SS |
4520 | case SWITCHDEV_OBJ_PORT_FDB: |
4521 | err = rocker_port_fdb_del(rocker_port, obj->trans, &obj->u.fdb); | |
4522 | break; | |
4523 | default: | |
4524 | err = -EOPNOTSUPP; | |
4525 | break; | |
4526 | } | |
4527 | ||
4528 | return err; | |
4529 | } | |
4530 | ||
e5054643 | 4531 | static int rocker_port_fdb_dump(const struct rocker_port *rocker_port, |
45d4122c SS |
4532 | struct switchdev_obj *obj) |
4533 | { | |
4534 | struct rocker *rocker = rocker_port->rocker; | |
4535 | struct switchdev_obj_fdb *fdb = &obj->u.fdb; | |
4536 | struct rocker_fdb_tbl_entry *found; | |
4537 | struct hlist_node *tmp; | |
4538 | unsigned long lock_flags; | |
4539 | int bkt; | |
4540 | int err = 0; | |
4541 | ||
4542 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); | |
4543 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) { | |
4544 | if (found->key.pport != rocker_port->pport) | |
4545 | continue; | |
cdf09697 | 4546 | fdb->addr = found->key.addr; |
45d4122c SS |
4547 | fdb->vid = rocker_port_vlan_to_vid(rocker_port, |
4548 | found->key.vlan_id); | |
4549 | err = obj->cb(rocker_port->dev, obj); | |
4550 | if (err) | |
4551 | break; | |
4552 | } | |
4553 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
4554 | ||
4555 | return err; | |
4556 | } | |
4557 | ||
7d4f8d87 SF |
4558 | static int rocker_port_vlan_dump(const struct rocker_port *rocker_port, |
4559 | struct switchdev_obj *obj) | |
4560 | { | |
4561 | struct switchdev_obj_vlan *vlan = &obj->u.vlan; | |
4562 | u16 vid; | |
4563 | int err = 0; | |
4564 | ||
4565 | for (vid = 1; vid < VLAN_N_VID; vid++) { | |
4566 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
4567 | continue; | |
4568 | vlan->flags = 0; | |
4569 | if (rocker_vlan_id_is_internal(htons(vid))) | |
4570 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; | |
4571 | vlan->vid_begin = vlan->vid_end = vid; | |
4572 | err = obj->cb(rocker_port->dev, obj); | |
4573 | if (err) | |
4574 | break; | |
4575 | } | |
4576 | ||
4577 | return err; | |
4578 | } | |
4579 | ||
45d4122c SS |
4580 | static int rocker_port_obj_dump(struct net_device *dev, |
4581 | struct switchdev_obj *obj) | |
4582 | { | |
e5054643 | 4583 | const struct rocker_port *rocker_port = netdev_priv(dev); |
45d4122c SS |
4584 | int err = 0; |
4585 | ||
4586 | switch (obj->id) { | |
4587 | case SWITCHDEV_OBJ_PORT_FDB: | |
4588 | err = rocker_port_fdb_dump(rocker_port, obj); | |
4589 | break; | |
7d4f8d87 SF |
4590 | case SWITCHDEV_OBJ_PORT_VLAN: |
4591 | err = rocker_port_vlan_dump(rocker_port, obj); | |
4592 | break; | |
9228ad26 SF |
4593 | default: |
4594 | err = -EOPNOTSUPP; | |
4595 | break; | |
4596 | } | |
4597 | ||
4598 | return err; | |
4599 | } | |
4600 | ||
9d47c0a2 | 4601 | static const struct switchdev_ops rocker_port_switchdev_ops = { |
f8e20a9f | 4602 | .switchdev_port_attr_get = rocker_port_attr_get, |
35636062 | 4603 | .switchdev_port_attr_set = rocker_port_attr_set, |
9228ad26 SF |
4604 | .switchdev_port_obj_add = rocker_port_obj_add, |
4605 | .switchdev_port_obj_del = rocker_port_obj_del, | |
45d4122c | 4606 | .switchdev_port_obj_dump = rocker_port_obj_dump, |
4b8ac966 JP |
4607 | }; |
4608 | ||
4609 | /******************** | |
4610 | * ethtool interface | |
4611 | ********************/ | |
4612 | ||
4613 | static int rocker_port_get_settings(struct net_device *dev, | |
4614 | struct ethtool_cmd *ecmd) | |
4615 | { | |
4616 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4617 | ||
4618 | return rocker_cmd_get_port_settings_ethtool(rocker_port, ecmd); | |
4619 | } | |
4620 | ||
4621 | static int rocker_port_set_settings(struct net_device *dev, | |
4622 | struct ethtool_cmd *ecmd) | |
4623 | { | |
4624 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4625 | ||
4626 | return rocker_cmd_set_port_settings_ethtool(rocker_port, ecmd); | |
4627 | } | |
4628 | ||
4629 | static void rocker_port_get_drvinfo(struct net_device *dev, | |
4630 | struct ethtool_drvinfo *drvinfo) | |
4631 | { | |
4632 | strlcpy(drvinfo->driver, rocker_driver_name, sizeof(drvinfo->driver)); | |
4633 | strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); | |
4634 | } | |
4635 | ||
9766e97a DA |
4636 | static struct rocker_port_stats { |
4637 | char str[ETH_GSTRING_LEN]; | |
4638 | int type; | |
4639 | } rocker_port_stats[] = { | |
4640 | { "rx_packets", ROCKER_TLV_CMD_PORT_STATS_RX_PKTS, }, | |
4641 | { "rx_bytes", ROCKER_TLV_CMD_PORT_STATS_RX_BYTES, }, | |
4642 | { "rx_dropped", ROCKER_TLV_CMD_PORT_STATS_RX_DROPPED, }, | |
4643 | { "rx_errors", ROCKER_TLV_CMD_PORT_STATS_RX_ERRORS, }, | |
4644 | ||
4645 | { "tx_packets", ROCKER_TLV_CMD_PORT_STATS_TX_PKTS, }, | |
4646 | { "tx_bytes", ROCKER_TLV_CMD_PORT_STATS_TX_BYTES, }, | |
4647 | { "tx_dropped", ROCKER_TLV_CMD_PORT_STATS_TX_DROPPED, }, | |
4648 | { "tx_errors", ROCKER_TLV_CMD_PORT_STATS_TX_ERRORS, }, | |
4649 | }; | |
4650 | ||
4651 | #define ROCKER_PORT_STATS_LEN ARRAY_SIZE(rocker_port_stats) | |
4652 | ||
4653 | static void rocker_port_get_strings(struct net_device *netdev, u32 stringset, | |
4654 | u8 *data) | |
4655 | { | |
4656 | u8 *p = data; | |
4657 | int i; | |
4658 | ||
4659 | switch (stringset) { | |
4660 | case ETH_SS_STATS: | |
4661 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); i++) { | |
4662 | memcpy(p, rocker_port_stats[i].str, ETH_GSTRING_LEN); | |
4663 | p += ETH_GSTRING_LEN; | |
4664 | } | |
4665 | break; | |
4666 | } | |
4667 | } | |
4668 | ||
4669 | static int | |
534ba6a8 | 4670 | rocker_cmd_get_port_stats_prep(const struct rocker_port *rocker_port, |
9766e97a DA |
4671 | struct rocker_desc_info *desc_info, |
4672 | void *priv) | |
4673 | { | |
4674 | struct rocker_tlv *cmd_stats; | |
4675 | ||
4676 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
4677 | ROCKER_TLV_CMD_TYPE_GET_PORT_STATS)) | |
4678 | return -EMSGSIZE; | |
4679 | ||
4680 | cmd_stats = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
4681 | if (!cmd_stats) | |
4682 | return -EMSGSIZE; | |
4683 | ||
4a6bb6d3 SF |
4684 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_STATS_PPORT, |
4685 | rocker_port->pport)) | |
9766e97a DA |
4686 | return -EMSGSIZE; |
4687 | ||
4688 | rocker_tlv_nest_end(desc_info, cmd_stats); | |
4689 | ||
4690 | return 0; | |
4691 | } | |
4692 | ||
4693 | static int | |
534ba6a8 | 4694 | rocker_cmd_get_port_stats_ethtool_proc(const struct rocker_port *rocker_port, |
e5054643 | 4695 | const struct rocker_desc_info *desc_info, |
9766e97a DA |
4696 | void *priv) |
4697 | { | |
e5054643 SH |
4698 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
4699 | const struct rocker_tlv *stats_attrs[ROCKER_TLV_CMD_PORT_STATS_MAX + 1]; | |
4700 | const struct rocker_tlv *pattr; | |
4a6bb6d3 | 4701 | u32 pport; |
9766e97a DA |
4702 | u64 *data = priv; |
4703 | int i; | |
4704 | ||
4705 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
4706 | ||
4707 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
4708 | return -EIO; | |
4709 | ||
4710 | rocker_tlv_parse_nested(stats_attrs, ROCKER_TLV_CMD_PORT_STATS_MAX, | |
4711 | attrs[ROCKER_TLV_CMD_INFO]); | |
4712 | ||
4a6bb6d3 | 4713 | if (!stats_attrs[ROCKER_TLV_CMD_PORT_STATS_PPORT]) |
9766e97a DA |
4714 | return -EIO; |
4715 | ||
4a6bb6d3 SF |
4716 | pport = rocker_tlv_get_u32(stats_attrs[ROCKER_TLV_CMD_PORT_STATS_PPORT]); |
4717 | if (pport != rocker_port->pport) | |
9766e97a DA |
4718 | return -EIO; |
4719 | ||
4720 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); i++) { | |
4721 | pattr = stats_attrs[rocker_port_stats[i].type]; | |
4722 | if (!pattr) | |
4723 | continue; | |
4724 | ||
4725 | data[i] = rocker_tlv_get_u64(pattr); | |
4726 | } | |
4727 | ||
4728 | return 0; | |
4729 | } | |
4730 | ||
4731 | static int rocker_cmd_get_port_stats_ethtool(struct rocker_port *rocker_port, | |
4732 | void *priv) | |
4733 | { | |
179f9a25 | 4734 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
9766e97a DA |
4735 | rocker_cmd_get_port_stats_prep, NULL, |
4736 | rocker_cmd_get_port_stats_ethtool_proc, | |
c4f20321 | 4737 | priv); |
9766e97a DA |
4738 | } |
4739 | ||
4740 | static void rocker_port_get_stats(struct net_device *dev, | |
4741 | struct ethtool_stats *stats, u64 *data) | |
4742 | { | |
4743 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4744 | ||
4745 | if (rocker_cmd_get_port_stats_ethtool(rocker_port, data) != 0) { | |
4746 | int i; | |
4747 | ||
4748 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); ++i) | |
4749 | data[i] = 0; | |
4750 | } | |
9766e97a DA |
4751 | } |
4752 | ||
4753 | static int rocker_port_get_sset_count(struct net_device *netdev, int sset) | |
4754 | { | |
4755 | switch (sset) { | |
4756 | case ETH_SS_STATS: | |
4757 | return ROCKER_PORT_STATS_LEN; | |
4758 | default: | |
4759 | return -EOPNOTSUPP; | |
4760 | } | |
4761 | } | |
4762 | ||
4b8ac966 JP |
4763 | static const struct ethtool_ops rocker_port_ethtool_ops = { |
4764 | .get_settings = rocker_port_get_settings, | |
4765 | .set_settings = rocker_port_set_settings, | |
4766 | .get_drvinfo = rocker_port_get_drvinfo, | |
4767 | .get_link = ethtool_op_get_link, | |
9766e97a DA |
4768 | .get_strings = rocker_port_get_strings, |
4769 | .get_ethtool_stats = rocker_port_get_stats, | |
4770 | .get_sset_count = rocker_port_get_sset_count, | |
4b8ac966 JP |
4771 | }; |
4772 | ||
4773 | /***************** | |
4774 | * NAPI interface | |
4775 | *****************/ | |
4776 | ||
4777 | static struct rocker_port *rocker_port_napi_tx_get(struct napi_struct *napi) | |
4778 | { | |
4779 | return container_of(napi, struct rocker_port, napi_tx); | |
4780 | } | |
4781 | ||
4782 | static int rocker_port_poll_tx(struct napi_struct *napi, int budget) | |
4783 | { | |
4784 | struct rocker_port *rocker_port = rocker_port_napi_tx_get(napi); | |
e5054643 SH |
4785 | const struct rocker *rocker = rocker_port->rocker; |
4786 | const struct rocker_desc_info *desc_info; | |
4b8ac966 JP |
4787 | u32 credits = 0; |
4788 | int err; | |
4789 | ||
4790 | /* Cleanup tx descriptors */ | |
4791 | while ((desc_info = rocker_desc_tail_get(&rocker_port->tx_ring))) { | |
f2bbca51 DA |
4792 | struct sk_buff *skb; |
4793 | ||
4b8ac966 JP |
4794 | err = rocker_desc_err(desc_info); |
4795 | if (err && net_ratelimit()) | |
4796 | netdev_err(rocker_port->dev, "tx desc received with err %d\n", | |
4797 | err); | |
4798 | rocker_tx_desc_frags_unmap(rocker_port, desc_info); | |
f2bbca51 DA |
4799 | |
4800 | skb = rocker_desc_cookie_ptr_get(desc_info); | |
4801 | if (err == 0) { | |
4802 | rocker_port->dev->stats.tx_packets++; | |
4803 | rocker_port->dev->stats.tx_bytes += skb->len; | |
4725ceb9 | 4804 | } else { |
f2bbca51 | 4805 | rocker_port->dev->stats.tx_errors++; |
4725ceb9 | 4806 | } |
f2bbca51 DA |
4807 | |
4808 | dev_kfree_skb_any(skb); | |
4b8ac966 JP |
4809 | credits++; |
4810 | } | |
4811 | ||
4812 | if (credits && netif_queue_stopped(rocker_port->dev)) | |
4813 | netif_wake_queue(rocker_port->dev); | |
4814 | ||
4815 | napi_complete(napi); | |
4816 | rocker_dma_ring_credits_set(rocker, &rocker_port->tx_ring, credits); | |
4817 | ||
4818 | return 0; | |
4819 | } | |
4820 | ||
e5054643 SH |
4821 | static int rocker_port_rx_proc(const struct rocker *rocker, |
4822 | const struct rocker_port *rocker_port, | |
4b8ac966 JP |
4823 | struct rocker_desc_info *desc_info) |
4824 | { | |
e5054643 | 4825 | const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1]; |
4b8ac966 JP |
4826 | struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info); |
4827 | size_t rx_len; | |
3f98a8e6 | 4828 | u16 rx_flags = 0; |
4b8ac966 JP |
4829 | |
4830 | if (!skb) | |
4831 | return -ENOENT; | |
4832 | ||
4833 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info); | |
4834 | if (!attrs[ROCKER_TLV_RX_FRAG_LEN]) | |
4835 | return -EINVAL; | |
3f98a8e6 SF |
4836 | if (attrs[ROCKER_TLV_RX_FLAGS]) |
4837 | rx_flags = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FLAGS]); | |
4b8ac966 JP |
4838 | |
4839 | rocker_dma_rx_ring_skb_unmap(rocker, attrs); | |
4840 | ||
4841 | rx_len = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FRAG_LEN]); | |
4842 | skb_put(skb, rx_len); | |
4843 | skb->protocol = eth_type_trans(skb, rocker_port->dev); | |
f2bbca51 | 4844 | |
3f98a8e6 SF |
4845 | if (rx_flags & ROCKER_RX_FLAGS_FWD_OFFLOAD) |
4846 | skb->offload_fwd_mark = rocker_port->dev->offload_fwd_mark; | |
4847 | ||
f2bbca51 DA |
4848 | rocker_port->dev->stats.rx_packets++; |
4849 | rocker_port->dev->stats.rx_bytes += skb->len; | |
4850 | ||
4b8ac966 JP |
4851 | netif_receive_skb(skb); |
4852 | ||
534ba6a8 | 4853 | return rocker_dma_rx_ring_skb_alloc(rocker_port, desc_info); |
4b8ac966 JP |
4854 | } |
4855 | ||
4856 | static struct rocker_port *rocker_port_napi_rx_get(struct napi_struct *napi) | |
4857 | { | |
4858 | return container_of(napi, struct rocker_port, napi_rx); | |
4859 | } | |
4860 | ||
4861 | static int rocker_port_poll_rx(struct napi_struct *napi, int budget) | |
4862 | { | |
4863 | struct rocker_port *rocker_port = rocker_port_napi_rx_get(napi); | |
e5054643 | 4864 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4865 | struct rocker_desc_info *desc_info; |
4866 | u32 credits = 0; | |
4867 | int err; | |
4868 | ||
4869 | /* Process rx descriptors */ | |
4870 | while (credits < budget && | |
4871 | (desc_info = rocker_desc_tail_get(&rocker_port->rx_ring))) { | |
4872 | err = rocker_desc_err(desc_info); | |
4873 | if (err) { | |
4874 | if (net_ratelimit()) | |
4875 | netdev_err(rocker_port->dev, "rx desc received with err %d\n", | |
4876 | err); | |
4877 | } else { | |
4878 | err = rocker_port_rx_proc(rocker, rocker_port, | |
4879 | desc_info); | |
4880 | if (err && net_ratelimit()) | |
4881 | netdev_err(rocker_port->dev, "rx processing failed with err %d\n", | |
4882 | err); | |
4883 | } | |
f2bbca51 DA |
4884 | if (err) |
4885 | rocker_port->dev->stats.rx_errors++; | |
4886 | ||
4b8ac966 JP |
4887 | rocker_desc_gen_clear(desc_info); |
4888 | rocker_desc_head_set(rocker, &rocker_port->rx_ring, desc_info); | |
4889 | credits++; | |
4890 | } | |
4891 | ||
4892 | if (credits < budget) | |
4893 | napi_complete(napi); | |
4894 | ||
4895 | rocker_dma_ring_credits_set(rocker, &rocker_port->rx_ring, credits); | |
4896 | ||
4897 | return credits; | |
4898 | } | |
4899 | ||
4900 | /***************** | |
4901 | * PCI driver ops | |
4902 | *****************/ | |
4903 | ||
e5054643 | 4904 | static void rocker_carrier_init(const struct rocker_port *rocker_port) |
4b8ac966 | 4905 | { |
e5054643 | 4906 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4907 | u64 link_status = rocker_read64(rocker, PORT_PHYS_LINK_STATUS); |
4908 | bool link_up; | |
4909 | ||
4a6bb6d3 | 4910 | link_up = link_status & (1 << rocker_port->pport); |
4b8ac966 JP |
4911 | if (link_up) |
4912 | netif_carrier_on(rocker_port->dev); | |
4913 | else | |
4914 | netif_carrier_off(rocker_port->dev); | |
4915 | } | |
4916 | ||
e5054643 | 4917 | static void rocker_remove_ports(const struct rocker *rocker) |
4b8ac966 | 4918 | { |
9f6bbf7c | 4919 | struct rocker_port *rocker_port; |
4b8ac966 JP |
4920 | int i; |
4921 | ||
9f6bbf7c SF |
4922 | for (i = 0; i < rocker->port_count; i++) { |
4923 | rocker_port = rocker->ports[i]; | |
a0720310 SF |
4924 | if (!rocker_port) |
4925 | continue; | |
c4f20321 SF |
4926 | rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, |
4927 | ROCKER_OP_FLAG_REMOVE); | |
9f6bbf7c SF |
4928 | unregister_netdev(rocker_port->dev); |
4929 | } | |
4b8ac966 JP |
4930 | kfree(rocker->ports); |
4931 | } | |
4932 | ||
534ba6a8 | 4933 | static void rocker_port_dev_addr_init(struct rocker_port *rocker_port) |
4b8ac966 | 4934 | { |
534ba6a8 | 4935 | const struct rocker *rocker = rocker_port->rocker; |
e5054643 | 4936 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
4937 | int err; |
4938 | ||
4939 | err = rocker_cmd_get_port_settings_macaddr(rocker_port, | |
4940 | rocker_port->dev->dev_addr); | |
4941 | if (err) { | |
4942 | dev_warn(&pdev->dev, "failed to get mac address, using random\n"); | |
4943 | eth_hw_addr_random(rocker_port->dev); | |
4944 | } | |
4945 | } | |
4946 | ||
4947 | static int rocker_probe_port(struct rocker *rocker, unsigned int port_number) | |
4948 | { | |
e5054643 | 4949 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
4950 | struct rocker_port *rocker_port; |
4951 | struct net_device *dev; | |
bcfd7801 | 4952 | u16 untagged_vid = 0; |
4b8ac966 JP |
4953 | int err; |
4954 | ||
4955 | dev = alloc_etherdev(sizeof(struct rocker_port)); | |
4956 | if (!dev) | |
4957 | return -ENOMEM; | |
4958 | rocker_port = netdev_priv(dev); | |
4959 | rocker_port->dev = dev; | |
4960 | rocker_port->rocker = rocker; | |
4961 | rocker_port->port_number = port_number; | |
4a6bb6d3 | 4962 | rocker_port->pport = port_number + 1; |
5111f80c | 4963 | rocker_port->brport_flags = BR_LEARNING | BR_LEARNING_SYNC; |
c4f20321 | 4964 | INIT_LIST_HEAD(&rocker_port->trans_mem); |
4b8ac966 | 4965 | |
534ba6a8 | 4966 | rocker_port_dev_addr_init(rocker_port); |
4b8ac966 JP |
4967 | dev->netdev_ops = &rocker_port_netdev_ops; |
4968 | dev->ethtool_ops = &rocker_port_ethtool_ops; | |
9d47c0a2 | 4969 | dev->switchdev_ops = &rocker_port_switchdev_ops; |
4b8ac966 JP |
4970 | netif_napi_add(dev, &rocker_port->napi_tx, rocker_port_poll_tx, |
4971 | NAPI_POLL_WEIGHT); | |
4972 | netif_napi_add(dev, &rocker_port->napi_rx, rocker_port_poll_rx, | |
4973 | NAPI_POLL_WEIGHT); | |
4974 | rocker_carrier_init(rocker_port); | |
4975 | ||
21518a6e | 4976 | dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_SG; |
4b8ac966 JP |
4977 | |
4978 | err = register_netdev(dev); | |
4979 | if (err) { | |
4980 | dev_err(&pdev->dev, "register_netdev failed\n"); | |
4981 | goto err_register_netdev; | |
4982 | } | |
4983 | rocker->ports[port_number] = rocker_port; | |
4984 | ||
3f98a8e6 SF |
4985 | switchdev_port_fwd_mark_set(rocker_port->dev, NULL, false); |
4986 | ||
c4f20321 | 4987 | rocker_port_set_learning(rocker_port, SWITCHDEV_TRANS_NONE); |
5111f80c | 4988 | |
c4f20321 | 4989 | err = rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, 0); |
9f6bbf7c | 4990 | if (err) { |
ff147028 | 4991 | netdev_err(rocker_port->dev, "install ig port table failed\n"); |
9f6bbf7c SF |
4992 | goto err_port_ig_tbl; |
4993 | } | |
4994 | ||
bcfd7801 SF |
4995 | rocker_port->internal_vlan_id = |
4996 | rocker_port_internal_vlan_id_get(rocker_port, dev->ifindex); | |
4997 | ||
4998 | err = rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE, | |
4999 | untagged_vid, 0); | |
5000 | if (err) { | |
5001 | netdev_err(rocker_port->dev, "install untagged VLAN failed\n"); | |
5002 | goto err_untagged_vlan; | |
5003 | } | |
5004 | ||
4b8ac966 JP |
5005 | return 0; |
5006 | ||
bcfd7801 SF |
5007 | err_untagged_vlan: |
5008 | rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, | |
5009 | ROCKER_OP_FLAG_REMOVE); | |
9f6bbf7c | 5010 | err_port_ig_tbl: |
6c4f7780 | 5011 | rocker->ports[port_number] = NULL; |
9f6bbf7c | 5012 | unregister_netdev(dev); |
4b8ac966 JP |
5013 | err_register_netdev: |
5014 | free_netdev(dev); | |
5015 | return err; | |
5016 | } | |
5017 | ||
5018 | static int rocker_probe_ports(struct rocker *rocker) | |
5019 | { | |
5020 | int i; | |
5021 | size_t alloc_size; | |
5022 | int err; | |
5023 | ||
5024 | alloc_size = sizeof(struct rocker_port *) * rocker->port_count; | |
27b808cb | 5025 | rocker->ports = kzalloc(alloc_size, GFP_KERNEL); |
e65ad3be DC |
5026 | if (!rocker->ports) |
5027 | return -ENOMEM; | |
4b8ac966 JP |
5028 | for (i = 0; i < rocker->port_count; i++) { |
5029 | err = rocker_probe_port(rocker, i); | |
5030 | if (err) | |
5031 | goto remove_ports; | |
5032 | } | |
5033 | return 0; | |
5034 | ||
5035 | remove_ports: | |
5036 | rocker_remove_ports(rocker); | |
5037 | return err; | |
5038 | } | |
5039 | ||
5040 | static int rocker_msix_init(struct rocker *rocker) | |
5041 | { | |
5042 | struct pci_dev *pdev = rocker->pdev; | |
5043 | int msix_entries; | |
5044 | int i; | |
5045 | int err; | |
5046 | ||
5047 | msix_entries = pci_msix_vec_count(pdev); | |
5048 | if (msix_entries < 0) | |
5049 | return msix_entries; | |
5050 | ||
5051 | if (msix_entries != ROCKER_MSIX_VEC_COUNT(rocker->port_count)) | |
5052 | return -EINVAL; | |
5053 | ||
5054 | rocker->msix_entries = kmalloc_array(msix_entries, | |
5055 | sizeof(struct msix_entry), | |
5056 | GFP_KERNEL); | |
5057 | if (!rocker->msix_entries) | |
5058 | return -ENOMEM; | |
5059 | ||
5060 | for (i = 0; i < msix_entries; i++) | |
5061 | rocker->msix_entries[i].entry = i; | |
5062 | ||
5063 | err = pci_enable_msix_exact(pdev, rocker->msix_entries, msix_entries); | |
5064 | if (err < 0) | |
5065 | goto err_enable_msix; | |
5066 | ||
5067 | return 0; | |
5068 | ||
5069 | err_enable_msix: | |
5070 | kfree(rocker->msix_entries); | |
5071 | return err; | |
5072 | } | |
5073 | ||
e5054643 | 5074 | static void rocker_msix_fini(const struct rocker *rocker) |
4b8ac966 JP |
5075 | { |
5076 | pci_disable_msix(rocker->pdev); | |
5077 | kfree(rocker->msix_entries); | |
5078 | } | |
5079 | ||
5080 | static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
5081 | { | |
5082 | struct rocker *rocker; | |
5083 | int err; | |
5084 | ||
5085 | rocker = kzalloc(sizeof(*rocker), GFP_KERNEL); | |
5086 | if (!rocker) | |
5087 | return -ENOMEM; | |
5088 | ||
5089 | err = pci_enable_device(pdev); | |
5090 | if (err) { | |
5091 | dev_err(&pdev->dev, "pci_enable_device failed\n"); | |
5092 | goto err_pci_enable_device; | |
5093 | } | |
5094 | ||
5095 | err = pci_request_regions(pdev, rocker_driver_name); | |
5096 | if (err) { | |
5097 | dev_err(&pdev->dev, "pci_request_regions failed\n"); | |
5098 | goto err_pci_request_regions; | |
5099 | } | |
5100 | ||
5101 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
5102 | if (!err) { | |
5103 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
5104 | if (err) { | |
5105 | dev_err(&pdev->dev, "pci_set_consistent_dma_mask failed\n"); | |
5106 | goto err_pci_set_dma_mask; | |
5107 | } | |
5108 | } else { | |
5109 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
5110 | if (err) { | |
5111 | dev_err(&pdev->dev, "pci_set_dma_mask failed\n"); | |
5112 | goto err_pci_set_dma_mask; | |
5113 | } | |
5114 | } | |
5115 | ||
5116 | if (pci_resource_len(pdev, 0) < ROCKER_PCI_BAR0_SIZE) { | |
5117 | dev_err(&pdev->dev, "invalid PCI region size\n"); | |
3122a92e | 5118 | err = -EINVAL; |
4b8ac966 JP |
5119 | goto err_pci_resource_len_check; |
5120 | } | |
5121 | ||
5122 | rocker->hw_addr = ioremap(pci_resource_start(pdev, 0), | |
5123 | pci_resource_len(pdev, 0)); | |
5124 | if (!rocker->hw_addr) { | |
5125 | dev_err(&pdev->dev, "ioremap failed\n"); | |
5126 | err = -EIO; | |
5127 | goto err_ioremap; | |
5128 | } | |
5129 | pci_set_master(pdev); | |
5130 | ||
5131 | rocker->pdev = pdev; | |
5132 | pci_set_drvdata(pdev, rocker); | |
5133 | ||
5134 | rocker->port_count = rocker_read32(rocker, PORT_PHYS_COUNT); | |
5135 | ||
5136 | err = rocker_msix_init(rocker); | |
5137 | if (err) { | |
5138 | dev_err(&pdev->dev, "MSI-X init failed\n"); | |
5139 | goto err_msix_init; | |
5140 | } | |
5141 | ||
5142 | err = rocker_basic_hw_test(rocker); | |
5143 | if (err) { | |
5144 | dev_err(&pdev->dev, "basic hw test failed\n"); | |
5145 | goto err_basic_hw_test; | |
5146 | } | |
5147 | ||
5148 | rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); | |
5149 | ||
5150 | err = rocker_dma_rings_init(rocker); | |
5151 | if (err) | |
5152 | goto err_dma_rings_init; | |
5153 | ||
5154 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), | |
5155 | rocker_cmd_irq_handler, 0, | |
5156 | rocker_driver_name, rocker); | |
5157 | if (err) { | |
5158 | dev_err(&pdev->dev, "cannot assign cmd irq\n"); | |
5159 | goto err_request_cmd_irq; | |
5160 | } | |
5161 | ||
5162 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), | |
5163 | rocker_event_irq_handler, 0, | |
5164 | rocker_driver_name, rocker); | |
5165 | if (err) { | |
5166 | dev_err(&pdev->dev, "cannot assign event irq\n"); | |
5167 | goto err_request_event_irq; | |
5168 | } | |
5169 | ||
5170 | rocker->hw.id = rocker_read64(rocker, SWITCH_ID); | |
5171 | ||
9f6bbf7c SF |
5172 | err = rocker_init_tbls(rocker); |
5173 | if (err) { | |
5174 | dev_err(&pdev->dev, "cannot init rocker tables\n"); | |
5175 | goto err_init_tbls; | |
5176 | } | |
5177 | ||
4b8ac966 JP |
5178 | err = rocker_probe_ports(rocker); |
5179 | if (err) { | |
5180 | dev_err(&pdev->dev, "failed to probe ports\n"); | |
5181 | goto err_probe_ports; | |
5182 | } | |
5183 | ||
5184 | dev_info(&pdev->dev, "Rocker switch with id %016llx\n", rocker->hw.id); | |
5185 | ||
5186 | return 0; | |
5187 | ||
5188 | err_probe_ports: | |
9f6bbf7c SF |
5189 | rocker_free_tbls(rocker); |
5190 | err_init_tbls: | |
4b8ac966 JP |
5191 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); |
5192 | err_request_event_irq: | |
5193 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), rocker); | |
5194 | err_request_cmd_irq: | |
5195 | rocker_dma_rings_fini(rocker); | |
5196 | err_dma_rings_init: | |
5197 | err_basic_hw_test: | |
5198 | rocker_msix_fini(rocker); | |
5199 | err_msix_init: | |
5200 | iounmap(rocker->hw_addr); | |
5201 | err_ioremap: | |
5202 | err_pci_resource_len_check: | |
5203 | err_pci_set_dma_mask: | |
5204 | pci_release_regions(pdev); | |
5205 | err_pci_request_regions: | |
5206 | pci_disable_device(pdev); | |
5207 | err_pci_enable_device: | |
5208 | kfree(rocker); | |
5209 | return err; | |
5210 | } | |
5211 | ||
5212 | static void rocker_remove(struct pci_dev *pdev) | |
5213 | { | |
5214 | struct rocker *rocker = pci_get_drvdata(pdev); | |
5215 | ||
9f6bbf7c | 5216 | rocker_free_tbls(rocker); |
4b8ac966 JP |
5217 | rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); |
5218 | rocker_remove_ports(rocker); | |
5219 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); | |
5220 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), rocker); | |
5221 | rocker_dma_rings_fini(rocker); | |
5222 | rocker_msix_fini(rocker); | |
5223 | iounmap(rocker->hw_addr); | |
5224 | pci_release_regions(rocker->pdev); | |
5225 | pci_disable_device(rocker->pdev); | |
5226 | kfree(rocker); | |
5227 | } | |
5228 | ||
5229 | static struct pci_driver rocker_pci_driver = { | |
5230 | .name = rocker_driver_name, | |
5231 | .id_table = rocker_pci_id_table, | |
5232 | .probe = rocker_probe, | |
5233 | .remove = rocker_remove, | |
5234 | }; | |
5235 | ||
6c707945 SF |
5236 | /************************************ |
5237 | * Net device notifier event handler | |
5238 | ************************************/ | |
5239 | ||
e5054643 | 5240 | static bool rocker_port_dev_check(const struct net_device *dev) |
6c707945 SF |
5241 | { |
5242 | return dev->netdev_ops == &rocker_port_netdev_ops; | |
5243 | } | |
5244 | ||
5245 | static int rocker_port_bridge_join(struct rocker_port *rocker_port, | |
5246 | struct net_device *bridge) | |
5247 | { | |
027e00dc | 5248 | u16 untagged_vid = 0; |
6c707945 SF |
5249 | int err; |
5250 | ||
027e00dc SF |
5251 | /* Port is joining bridge, so the internal VLAN for the |
5252 | * port is going to change to the bridge internal VLAN. | |
5253 | * Let's remove untagged VLAN (vid=0) from port and | |
5254 | * re-add once internal VLAN has changed. | |
5255 | */ | |
6c707945 | 5256 | |
027e00dc | 5257 | err = rocker_port_vlan_del(rocker_port, untagged_vid, 0); |
6c707945 SF |
5258 | if (err) |
5259 | return err; | |
027e00dc SF |
5260 | |
5261 | rocker_port_internal_vlan_id_put(rocker_port, | |
5262 | rocker_port->dev->ifindex); | |
6c707945 | 5263 | rocker_port->internal_vlan_id = |
df6a2067 | 5264 | rocker_port_internal_vlan_id_get(rocker_port, bridge->ifindex); |
027e00dc SF |
5265 | |
5266 | rocker_port->bridge_dev = bridge; | |
3f98a8e6 | 5267 | switchdev_port_fwd_mark_set(rocker_port->dev, bridge, true); |
027e00dc SF |
5268 | |
5269 | return rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE, | |
5270 | untagged_vid, 0); | |
6c707945 SF |
5271 | } |
5272 | ||
5273 | static int rocker_port_bridge_leave(struct rocker_port *rocker_port) | |
5274 | { | |
027e00dc | 5275 | u16 untagged_vid = 0; |
6c707945 SF |
5276 | int err; |
5277 | ||
027e00dc | 5278 | err = rocker_port_vlan_del(rocker_port, untagged_vid, 0); |
6c707945 SF |
5279 | if (err) |
5280 | return err; | |
027e00dc SF |
5281 | |
5282 | rocker_port_internal_vlan_id_put(rocker_port, | |
5283 | rocker_port->bridge_dev->ifindex); | |
6c707945 SF |
5284 | rocker_port->internal_vlan_id = |
5285 | rocker_port_internal_vlan_id_get(rocker_port, | |
5286 | rocker_port->dev->ifindex); | |
027e00dc | 5287 | |
3f98a8e6 SF |
5288 | switchdev_port_fwd_mark_set(rocker_port->dev, rocker_port->bridge_dev, |
5289 | false); | |
027e00dc SF |
5290 | rocker_port->bridge_dev = NULL; |
5291 | ||
5292 | err = rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE, | |
5293 | untagged_vid, 0); | |
e47172ab SF |
5294 | if (err) |
5295 | return err; | |
5296 | ||
5297 | if (rocker_port->dev->flags & IFF_UP) | |
179f9a25 SF |
5298 | err = rocker_port_fwd_enable(rocker_port, |
5299 | SWITCHDEV_TRANS_NONE, 0); | |
6c707945 SF |
5300 | |
5301 | return err; | |
5302 | } | |
5303 | ||
8254973f SH |
5304 | |
5305 | static int rocker_port_ovs_changed(struct rocker_port *rocker_port, | |
5306 | struct net_device *master) | |
5307 | { | |
5308 | int err; | |
5309 | ||
5310 | rocker_port->bridge_dev = master; | |
5311 | ||
5312 | err = rocker_port_fwd_disable(rocker_port, SWITCHDEV_TRANS_NONE, 0); | |
5313 | if (err) | |
5314 | return err; | |
5315 | err = rocker_port_fwd_enable(rocker_port, SWITCHDEV_TRANS_NONE, 0); | |
5316 | ||
5317 | return err; | |
5318 | } | |
5319 | ||
6c707945 SF |
5320 | static int rocker_port_master_changed(struct net_device *dev) |
5321 | { | |
5322 | struct rocker_port *rocker_port = netdev_priv(dev); | |
5323 | struct net_device *master = netdev_master_upper_dev_get(dev); | |
5324 | int err = 0; | |
5325 | ||
8254973f SH |
5326 | /* N.B: Do nothing if the type of master is not supported */ |
5327 | if (master && master->rtnl_link_ops) { | |
5328 | if (!strcmp(master->rtnl_link_ops->kind, "bridge")) | |
5329 | err = rocker_port_bridge_join(rocker_port, master); | |
5330 | else if (!strcmp(master->rtnl_link_ops->kind, "openvswitch")) | |
5331 | err = rocker_port_ovs_changed(rocker_port, master); | |
5332 | } else if (rocker_port_is_bridged(rocker_port)) { | |
6c707945 | 5333 | err = rocker_port_bridge_leave(rocker_port); |
8254973f SH |
5334 | } else if (rocker_port_is_ovsed(rocker_port)) { |
5335 | err = rocker_port_ovs_changed(rocker_port, NULL); | |
5336 | } | |
6c707945 SF |
5337 | |
5338 | return err; | |
5339 | } | |
5340 | ||
5341 | static int rocker_netdevice_event(struct notifier_block *unused, | |
5342 | unsigned long event, void *ptr) | |
5343 | { | |
5344 | struct net_device *dev; | |
5345 | int err; | |
5346 | ||
5347 | switch (event) { | |
5348 | case NETDEV_CHANGEUPPER: | |
5349 | dev = netdev_notifier_info_to_dev(ptr); | |
5350 | if (!rocker_port_dev_check(dev)) | |
5351 | return NOTIFY_DONE; | |
5352 | err = rocker_port_master_changed(dev); | |
5353 | if (err) | |
5354 | netdev_warn(dev, | |
5355 | "failed to reflect master change (err %d)\n", | |
5356 | err); | |
5357 | break; | |
5358 | } | |
5359 | ||
5360 | return NOTIFY_DONE; | |
5361 | } | |
5362 | ||
5363 | static struct notifier_block rocker_netdevice_nb __read_mostly = { | |
5364 | .notifier_call = rocker_netdevice_event, | |
5365 | }; | |
5366 | ||
c1beeef7 SF |
5367 | /************************************ |
5368 | * Net event notifier event handler | |
5369 | ************************************/ | |
5370 | ||
5371 | static int rocker_neigh_update(struct net_device *dev, struct neighbour *n) | |
5372 | { | |
5373 | struct rocker_port *rocker_port = netdev_priv(dev); | |
02a9fbfc SF |
5374 | int flags = (n->nud_state & NUD_VALID ? 0 : ROCKER_OP_FLAG_REMOVE) | |
5375 | ROCKER_OP_FLAG_NOWAIT; | |
c1beeef7 SF |
5376 | __be32 ip_addr = *(__be32 *)n->primary_key; |
5377 | ||
c4f20321 SF |
5378 | return rocker_port_ipv4_neigh(rocker_port, SWITCHDEV_TRANS_NONE, |
5379 | flags, ip_addr, n->ha); | |
c1beeef7 SF |
5380 | } |
5381 | ||
5382 | static int rocker_netevent_event(struct notifier_block *unused, | |
5383 | unsigned long event, void *ptr) | |
5384 | { | |
5385 | struct net_device *dev; | |
5386 | struct neighbour *n = ptr; | |
5387 | int err; | |
5388 | ||
5389 | switch (event) { | |
5390 | case NETEVENT_NEIGH_UPDATE: | |
5391 | if (n->tbl != &arp_tbl) | |
5392 | return NOTIFY_DONE; | |
5393 | dev = n->dev; | |
5394 | if (!rocker_port_dev_check(dev)) | |
5395 | return NOTIFY_DONE; | |
5396 | err = rocker_neigh_update(dev, n); | |
5397 | if (err) | |
5398 | netdev_warn(dev, | |
5399 | "failed to handle neigh update (err %d)\n", | |
5400 | err); | |
5401 | break; | |
5402 | } | |
5403 | ||
5404 | return NOTIFY_DONE; | |
5405 | } | |
5406 | ||
5407 | static struct notifier_block rocker_netevent_nb __read_mostly = { | |
5408 | .notifier_call = rocker_netevent_event, | |
5409 | }; | |
5410 | ||
4b8ac966 JP |
5411 | /*********************** |
5412 | * Module init and exit | |
5413 | ***********************/ | |
5414 | ||
5415 | static int __init rocker_module_init(void) | |
5416 | { | |
6c707945 SF |
5417 | int err; |
5418 | ||
5419 | register_netdevice_notifier(&rocker_netdevice_nb); | |
c1beeef7 | 5420 | register_netevent_notifier(&rocker_netevent_nb); |
6c707945 SF |
5421 | err = pci_register_driver(&rocker_pci_driver); |
5422 | if (err) | |
5423 | goto err_pci_register_driver; | |
5424 | return 0; | |
5425 | ||
5426 | err_pci_register_driver: | |
a076e6bf | 5427 | unregister_netevent_notifier(&rocker_netevent_nb); |
6c707945 SF |
5428 | unregister_netdevice_notifier(&rocker_netdevice_nb); |
5429 | return err; | |
4b8ac966 JP |
5430 | } |
5431 | ||
5432 | static void __exit rocker_module_exit(void) | |
5433 | { | |
c1beeef7 | 5434 | unregister_netevent_notifier(&rocker_netevent_nb); |
6c707945 | 5435 | unregister_netdevice_notifier(&rocker_netdevice_nb); |
4b8ac966 JP |
5436 | pci_unregister_driver(&rocker_pci_driver); |
5437 | } | |
5438 | ||
5439 | module_init(rocker_module_init); | |
5440 | module_exit(rocker_module_exit); | |
5441 | ||
5442 | MODULE_LICENSE("GPL v2"); | |
5443 | MODULE_AUTHOR("Jiri Pirko <jiri@resnulli.us>"); | |
5444 | MODULE_AUTHOR("Scott Feldman <sfeldma@gmail.com>"); | |
5445 | MODULE_DESCRIPTION("Rocker switch device driver"); | |
5446 | MODULE_DEVICE_TABLE(pci, rocker_pci_id_table); |