]>
Commit | Line | Data |
---|---|---|
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, | |
205 | ROCKER_CTRL_MAX, | |
206 | }; | |
207 | ||
208 | #define ROCKER_INTERNAL_VLAN_ID_BASE 0x0f00 | |
209 | #define ROCKER_N_INTERNAL_VLANS 255 | |
210 | #define ROCKER_VLAN_BITMAP_LEN BITS_TO_LONGS(VLAN_N_VID) | |
211 | #define ROCKER_INTERNAL_VLAN_BITMAP_LEN BITS_TO_LONGS(ROCKER_N_INTERNAL_VLANS) | |
212 | ||
4b8ac966 JP |
213 | struct rocker_port { |
214 | struct net_device *dev; | |
6c707945 | 215 | struct net_device *bridge_dev; |
4b8ac966 JP |
216 | struct rocker *rocker; |
217 | unsigned int port_number; | |
4a6bb6d3 | 218 | u32 pport; |
9f6bbf7c | 219 | __be16 internal_vlan_id; |
6c707945 | 220 | int stp_state; |
5111f80c | 221 | u32 brport_flags; |
9f6bbf7c SF |
222 | bool ctrls[ROCKER_CTRL_MAX]; |
223 | unsigned long vlan_bitmap[ROCKER_VLAN_BITMAP_LEN]; | |
4b8ac966 JP |
224 | struct napi_struct napi_tx; |
225 | struct napi_struct napi_rx; | |
226 | struct rocker_dma_ring_info tx_ring; | |
227 | struct rocker_dma_ring_info rx_ring; | |
c4f20321 | 228 | struct list_head trans_mem; |
4b8ac966 JP |
229 | }; |
230 | ||
231 | struct rocker { | |
232 | struct pci_dev *pdev; | |
233 | u8 __iomem *hw_addr; | |
234 | struct msix_entry *msix_entries; | |
235 | unsigned int port_count; | |
236 | struct rocker_port **ports; | |
237 | struct { | |
238 | u64 id; | |
239 | } hw; | |
4725ceb9 | 240 | spinlock_t cmd_ring_lock; /* for cmd ring accesses */ |
4b8ac966 JP |
241 | struct rocker_dma_ring_info cmd_ring; |
242 | struct rocker_dma_ring_info event_ring; | |
9f6bbf7c | 243 | DECLARE_HASHTABLE(flow_tbl, 16); |
4725ceb9 | 244 | spinlock_t flow_tbl_lock; /* for flow tbl accesses */ |
9f6bbf7c SF |
245 | u64 flow_tbl_next_cookie; |
246 | DECLARE_HASHTABLE(group_tbl, 16); | |
4725ceb9 | 247 | spinlock_t group_tbl_lock; /* for group tbl accesses */ |
9f6bbf7c | 248 | DECLARE_HASHTABLE(fdb_tbl, 16); |
4725ceb9 | 249 | spinlock_t fdb_tbl_lock; /* for fdb tbl accesses */ |
9f6bbf7c SF |
250 | unsigned long internal_vlan_bitmap[ROCKER_INTERNAL_VLAN_BITMAP_LEN]; |
251 | DECLARE_HASHTABLE(internal_vlan_tbl, 8); | |
4725ceb9 | 252 | spinlock_t internal_vlan_tbl_lock; /* for vlan tbl accesses */ |
c1beeef7 | 253 | DECLARE_HASHTABLE(neigh_tbl, 16); |
4725ceb9 | 254 | spinlock_t neigh_tbl_lock; /* for neigh tbl accesses */ |
c1beeef7 | 255 | u32 neigh_tbl_next_index; |
9f6bbf7c SF |
256 | }; |
257 | ||
258 | static const u8 zero_mac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; | |
259 | static const u8 ff_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
260 | static const u8 ll_mac[ETH_ALEN] = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 }; | |
261 | static const u8 ll_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0 }; | |
262 | static const u8 mcast_mac[ETH_ALEN] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 }; | |
263 | static const u8 ipv4_mcast[ETH_ALEN] = { 0x01, 0x00, 0x5e, 0x00, 0x00, 0x00 }; | |
264 | static const u8 ipv4_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0x80, 0x00, 0x00 }; | |
265 | static const u8 ipv6_mcast[ETH_ALEN] = { 0x33, 0x33, 0x00, 0x00, 0x00, 0x00 }; | |
266 | static const u8 ipv6_mask[ETH_ALEN] = { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }; | |
267 | ||
268 | /* Rocker priority levels for flow table entries. Higher | |
269 | * priority match takes precedence over lower priority match. | |
270 | */ | |
271 | ||
272 | enum { | |
273 | ROCKER_PRIORITY_UNKNOWN = 0, | |
274 | ROCKER_PRIORITY_IG_PORT = 1, | |
275 | ROCKER_PRIORITY_VLAN = 1, | |
276 | ROCKER_PRIORITY_TERM_MAC_UCAST = 0, | |
277 | ROCKER_PRIORITY_TERM_MAC_MCAST = 1, | |
9f6bbf7c SF |
278 | ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_EXACT = 1, |
279 | ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_WILD = 2, | |
280 | ROCKER_PRIORITY_BRIDGING_VLAN = 3, | |
281 | ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_EXACT = 1, | |
282 | ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_WILD = 2, | |
283 | ROCKER_PRIORITY_BRIDGING_TENANT = 3, | |
284 | ROCKER_PRIORITY_ACL_CTRL = 3, | |
285 | ROCKER_PRIORITY_ACL_NORMAL = 2, | |
286 | ROCKER_PRIORITY_ACL_DFLT = 1, | |
4b8ac966 JP |
287 | }; |
288 | ||
9f6bbf7c SF |
289 | static bool rocker_vlan_id_is_internal(__be16 vlan_id) |
290 | { | |
291 | u16 start = ROCKER_INTERNAL_VLAN_ID_BASE; | |
292 | u16 end = 0xffe; | |
293 | u16 _vlan_id = ntohs(vlan_id); | |
294 | ||
295 | return (_vlan_id >= start && _vlan_id <= end); | |
296 | } | |
297 | ||
e5054643 | 298 | static __be16 rocker_port_vid_to_vlan(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
299 | u16 vid, bool *pop_vlan) |
300 | { | |
301 | __be16 vlan_id; | |
302 | ||
303 | if (pop_vlan) | |
304 | *pop_vlan = false; | |
305 | vlan_id = htons(vid); | |
306 | if (!vlan_id) { | |
307 | vlan_id = rocker_port->internal_vlan_id; | |
308 | if (pop_vlan) | |
309 | *pop_vlan = true; | |
310 | } | |
311 | ||
312 | return vlan_id; | |
313 | } | |
314 | ||
e5054643 | 315 | static u16 rocker_port_vlan_to_vid(const struct rocker_port *rocker_port, |
6c707945 SF |
316 | __be16 vlan_id) |
317 | { | |
318 | if (rocker_vlan_id_is_internal(vlan_id)) | |
319 | return 0; | |
320 | ||
321 | return ntohs(vlan_id); | |
322 | } | |
323 | ||
e5054643 | 324 | static bool rocker_port_is_bridged(const struct rocker_port *rocker_port) |
6c707945 SF |
325 | { |
326 | return !!rocker_port->bridge_dev; | |
327 | } | |
328 | ||
179f9a25 SF |
329 | #define ROCKER_OP_FLAG_REMOVE BIT(0) |
330 | #define ROCKER_OP_FLAG_NOWAIT BIT(1) | |
331 | #define ROCKER_OP_FLAG_LEARNED BIT(2) | |
332 | #define ROCKER_OP_FLAG_REFRESH BIT(3) | |
333 | ||
c4f20321 | 334 | static void *__rocker_port_mem_alloc(struct rocker_port *rocker_port, |
179f9a25 SF |
335 | enum switchdev_trans trans, int flags, |
336 | size_t size) | |
c4f20321 SF |
337 | { |
338 | struct list_head *elem = NULL; | |
179f9a25 SF |
339 | gfp_t gfp_flags = (flags & ROCKER_OP_FLAG_NOWAIT) ? |
340 | GFP_ATOMIC : GFP_KERNEL; | |
c4f20321 SF |
341 | |
342 | /* If in transaction prepare phase, allocate the memory | |
343 | * and enqueue it on a per-port list. If in transaction | |
344 | * commit phase, dequeue the memory from the per-port list | |
345 | * rather than re-allocating the memory. The idea is the | |
346 | * driver code paths for prepare and commit are identical | |
347 | * so the memory allocated in the prepare phase is the | |
348 | * memory used in the commit phase. | |
349 | */ | |
350 | ||
351 | switch (trans) { | |
352 | case SWITCHDEV_TRANS_PREPARE: | |
179f9a25 | 353 | elem = kzalloc(size + sizeof(*elem), gfp_flags); |
c4f20321 SF |
354 | if (!elem) |
355 | return NULL; | |
356 | list_add_tail(elem, &rocker_port->trans_mem); | |
357 | break; | |
358 | case SWITCHDEV_TRANS_COMMIT: | |
359 | BUG_ON(list_empty(&rocker_port->trans_mem)); | |
360 | elem = rocker_port->trans_mem.next; | |
361 | list_del_init(elem); | |
362 | break; | |
363 | case SWITCHDEV_TRANS_NONE: | |
179f9a25 | 364 | elem = kzalloc(size + sizeof(*elem), gfp_flags); |
c4f20321 SF |
365 | if (elem) |
366 | INIT_LIST_HEAD(elem); | |
367 | break; | |
368 | default: | |
369 | break; | |
370 | } | |
371 | ||
372 | return elem ? elem + 1 : NULL; | |
373 | } | |
374 | ||
375 | static void *rocker_port_kzalloc(struct rocker_port *rocker_port, | |
179f9a25 SF |
376 | enum switchdev_trans trans, int flags, |
377 | size_t size) | |
c4f20321 | 378 | { |
179f9a25 | 379 | return __rocker_port_mem_alloc(rocker_port, trans, flags, size); |
c4f20321 SF |
380 | } |
381 | ||
382 | static void *rocker_port_kcalloc(struct rocker_port *rocker_port, | |
179f9a25 SF |
383 | enum switchdev_trans trans, int flags, |
384 | size_t n, size_t size) | |
c4f20321 | 385 | { |
179f9a25 | 386 | return __rocker_port_mem_alloc(rocker_port, trans, flags, n * size); |
c4f20321 SF |
387 | } |
388 | ||
0985df73 | 389 | static void rocker_port_kfree(enum switchdev_trans trans, const void *mem) |
c4f20321 SF |
390 | { |
391 | struct list_head *elem; | |
392 | ||
393 | /* Frees are ignored if in transaction prepare phase. The | |
394 | * memory remains on the per-port list until freed in the | |
395 | * commit phase. | |
396 | */ | |
397 | ||
398 | if (trans == SWITCHDEV_TRANS_PREPARE) | |
399 | return; | |
400 | ||
401 | elem = (struct list_head *)mem - 1; | |
402 | BUG_ON(!list_empty(elem)); | |
403 | kfree(elem); | |
404 | } | |
405 | ||
4b8ac966 JP |
406 | struct rocker_wait { |
407 | wait_queue_head_t wait; | |
408 | bool done; | |
179f9a25 | 409 | bool nowait; |
4b8ac966 JP |
410 | }; |
411 | ||
412 | static void rocker_wait_reset(struct rocker_wait *wait) | |
413 | { | |
414 | wait->done = false; | |
179f9a25 | 415 | wait->nowait = false; |
4b8ac966 JP |
416 | } |
417 | ||
418 | static void rocker_wait_init(struct rocker_wait *wait) | |
419 | { | |
420 | init_waitqueue_head(&wait->wait); | |
421 | rocker_wait_reset(wait); | |
422 | } | |
423 | ||
c4f20321 | 424 | static struct rocker_wait *rocker_wait_create(struct rocker_port *rocker_port, |
179f9a25 SF |
425 | enum switchdev_trans trans, |
426 | int flags) | |
4b8ac966 JP |
427 | { |
428 | struct rocker_wait *wait; | |
429 | ||
179f9a25 | 430 | wait = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*wait)); |
4b8ac966 JP |
431 | if (!wait) |
432 | return NULL; | |
433 | rocker_wait_init(wait); | |
434 | return wait; | |
435 | } | |
436 | ||
0985df73 | 437 | static void rocker_wait_destroy(enum switchdev_trans trans, |
c4f20321 | 438 | struct rocker_wait *wait) |
4b8ac966 | 439 | { |
0985df73 | 440 | rocker_port_kfree(trans, wait); |
4b8ac966 JP |
441 | } |
442 | ||
443 | static bool rocker_wait_event_timeout(struct rocker_wait *wait, | |
444 | unsigned long timeout) | |
445 | { | |
446 | wait_event_timeout(wait->wait, wait->done, HZ / 10); | |
447 | if (!wait->done) | |
448 | return false; | |
449 | return true; | |
450 | } | |
451 | ||
452 | static void rocker_wait_wake_up(struct rocker_wait *wait) | |
453 | { | |
454 | wait->done = true; | |
455 | wake_up(&wait->wait); | |
456 | } | |
457 | ||
e5054643 | 458 | static u32 rocker_msix_vector(const struct rocker *rocker, unsigned int vector) |
4b8ac966 JP |
459 | { |
460 | return rocker->msix_entries[vector].vector; | |
461 | } | |
462 | ||
e5054643 | 463 | static u32 rocker_msix_tx_vector(const struct rocker_port *rocker_port) |
4b8ac966 JP |
464 | { |
465 | return rocker_msix_vector(rocker_port->rocker, | |
466 | ROCKER_MSIX_VEC_TX(rocker_port->port_number)); | |
467 | } | |
468 | ||
e5054643 | 469 | static u32 rocker_msix_rx_vector(const struct rocker_port *rocker_port) |
4b8ac966 JP |
470 | { |
471 | return rocker_msix_vector(rocker_port->rocker, | |
472 | ROCKER_MSIX_VEC_RX(rocker_port->port_number)); | |
473 | } | |
474 | ||
475 | #define rocker_write32(rocker, reg, val) \ | |
476 | writel((val), (rocker)->hw_addr + (ROCKER_ ## reg)) | |
477 | #define rocker_read32(rocker, reg) \ | |
478 | readl((rocker)->hw_addr + (ROCKER_ ## reg)) | |
479 | #define rocker_write64(rocker, reg, val) \ | |
480 | writeq((val), (rocker)->hw_addr + (ROCKER_ ## reg)) | |
481 | #define rocker_read64(rocker, reg) \ | |
482 | readq((rocker)->hw_addr + (ROCKER_ ## reg)) | |
483 | ||
484 | /***************************** | |
485 | * HW basic testing functions | |
486 | *****************************/ | |
487 | ||
e5054643 | 488 | static int rocker_reg_test(const struct rocker *rocker) |
4b8ac966 | 489 | { |
e5054643 | 490 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
491 | u64 test_reg; |
492 | u64 rnd; | |
493 | ||
494 | rnd = prandom_u32(); | |
495 | rnd >>= 1; | |
496 | rocker_write32(rocker, TEST_REG, rnd); | |
497 | test_reg = rocker_read32(rocker, TEST_REG); | |
498 | if (test_reg != rnd * 2) { | |
499 | dev_err(&pdev->dev, "unexpected 32bit register value %08llx, expected %08llx\n", | |
500 | test_reg, rnd * 2); | |
501 | return -EIO; | |
502 | } | |
503 | ||
504 | rnd = prandom_u32(); | |
505 | rnd <<= 31; | |
506 | rnd |= prandom_u32(); | |
507 | rocker_write64(rocker, TEST_REG64, rnd); | |
508 | test_reg = rocker_read64(rocker, TEST_REG64); | |
509 | if (test_reg != rnd * 2) { | |
510 | dev_err(&pdev->dev, "unexpected 64bit register value %16llx, expected %16llx\n", | |
511 | test_reg, rnd * 2); | |
512 | return -EIO; | |
513 | } | |
514 | ||
515 | return 0; | |
516 | } | |
517 | ||
e5054643 SH |
518 | static int rocker_dma_test_one(const struct rocker *rocker, |
519 | struct rocker_wait *wait, u32 test_type, | |
520 | dma_addr_t dma_handle, const unsigned char *buf, | |
521 | const unsigned char *expect, size_t size) | |
4b8ac966 | 522 | { |
e5054643 | 523 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
524 | int i; |
525 | ||
526 | rocker_wait_reset(wait); | |
527 | rocker_write32(rocker, TEST_DMA_CTRL, test_type); | |
528 | ||
529 | if (!rocker_wait_event_timeout(wait, HZ / 10)) { | |
530 | dev_err(&pdev->dev, "no interrupt received within a timeout\n"); | |
531 | return -EIO; | |
532 | } | |
533 | ||
534 | for (i = 0; i < size; i++) { | |
535 | if (buf[i] != expect[i]) { | |
536 | dev_err(&pdev->dev, "unexpected memory content %02x at byte %x\n, %02x expected", | |
537 | buf[i], i, expect[i]); | |
538 | return -EIO; | |
539 | } | |
540 | } | |
541 | return 0; | |
542 | } | |
543 | ||
544 | #define ROCKER_TEST_DMA_BUF_SIZE (PAGE_SIZE * 4) | |
545 | #define ROCKER_TEST_DMA_FILL_PATTERN 0x96 | |
546 | ||
e5054643 | 547 | static int rocker_dma_test_offset(const struct rocker *rocker, |
4b8ac966 JP |
548 | struct rocker_wait *wait, int offset) |
549 | { | |
550 | struct pci_dev *pdev = rocker->pdev; | |
551 | unsigned char *alloc; | |
552 | unsigned char *buf; | |
553 | unsigned char *expect; | |
554 | dma_addr_t dma_handle; | |
555 | int i; | |
556 | int err; | |
557 | ||
558 | alloc = kzalloc(ROCKER_TEST_DMA_BUF_SIZE * 2 + offset, | |
559 | GFP_KERNEL | GFP_DMA); | |
560 | if (!alloc) | |
561 | return -ENOMEM; | |
562 | buf = alloc + offset; | |
563 | expect = buf + ROCKER_TEST_DMA_BUF_SIZE; | |
564 | ||
565 | dma_handle = pci_map_single(pdev, buf, ROCKER_TEST_DMA_BUF_SIZE, | |
566 | PCI_DMA_BIDIRECTIONAL); | |
567 | if (pci_dma_mapping_error(pdev, dma_handle)) { | |
568 | err = -EIO; | |
569 | goto free_alloc; | |
570 | } | |
571 | ||
572 | rocker_write64(rocker, TEST_DMA_ADDR, dma_handle); | |
573 | rocker_write32(rocker, TEST_DMA_SIZE, ROCKER_TEST_DMA_BUF_SIZE); | |
574 | ||
575 | memset(expect, ROCKER_TEST_DMA_FILL_PATTERN, ROCKER_TEST_DMA_BUF_SIZE); | |
576 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_FILL, | |
577 | dma_handle, buf, expect, | |
578 | ROCKER_TEST_DMA_BUF_SIZE); | |
579 | if (err) | |
580 | goto unmap; | |
581 | ||
582 | memset(expect, 0, ROCKER_TEST_DMA_BUF_SIZE); | |
583 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_CLEAR, | |
584 | dma_handle, buf, expect, | |
585 | ROCKER_TEST_DMA_BUF_SIZE); | |
586 | if (err) | |
587 | goto unmap; | |
588 | ||
589 | prandom_bytes(buf, ROCKER_TEST_DMA_BUF_SIZE); | |
590 | for (i = 0; i < ROCKER_TEST_DMA_BUF_SIZE; i++) | |
591 | expect[i] = ~buf[i]; | |
592 | err = rocker_dma_test_one(rocker, wait, ROCKER_TEST_DMA_CTRL_INVERT, | |
593 | dma_handle, buf, expect, | |
594 | ROCKER_TEST_DMA_BUF_SIZE); | |
595 | if (err) | |
596 | goto unmap; | |
597 | ||
598 | unmap: | |
599 | pci_unmap_single(pdev, dma_handle, ROCKER_TEST_DMA_BUF_SIZE, | |
600 | PCI_DMA_BIDIRECTIONAL); | |
601 | free_alloc: | |
602 | kfree(alloc); | |
603 | ||
604 | return err; | |
605 | } | |
606 | ||
e5054643 SH |
607 | static int rocker_dma_test(const struct rocker *rocker, |
608 | struct rocker_wait *wait) | |
4b8ac966 JP |
609 | { |
610 | int i; | |
611 | int err; | |
612 | ||
613 | for (i = 0; i < 8; i++) { | |
614 | err = rocker_dma_test_offset(rocker, wait, i); | |
615 | if (err) | |
616 | return err; | |
617 | } | |
618 | return 0; | |
619 | } | |
620 | ||
621 | static irqreturn_t rocker_test_irq_handler(int irq, void *dev_id) | |
622 | { | |
623 | struct rocker_wait *wait = dev_id; | |
624 | ||
625 | rocker_wait_wake_up(wait); | |
626 | ||
627 | return IRQ_HANDLED; | |
628 | } | |
629 | ||
e5054643 | 630 | static int rocker_basic_hw_test(const struct rocker *rocker) |
4b8ac966 | 631 | { |
e5054643 | 632 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
633 | struct rocker_wait wait; |
634 | int err; | |
635 | ||
636 | err = rocker_reg_test(rocker); | |
637 | if (err) { | |
638 | dev_err(&pdev->dev, "reg test failed\n"); | |
639 | return err; | |
640 | } | |
641 | ||
642 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_TEST), | |
643 | rocker_test_irq_handler, 0, | |
644 | rocker_driver_name, &wait); | |
645 | if (err) { | |
646 | dev_err(&pdev->dev, "cannot assign test irq\n"); | |
647 | return err; | |
648 | } | |
649 | ||
650 | rocker_wait_init(&wait); | |
651 | rocker_write32(rocker, TEST_IRQ, ROCKER_MSIX_VEC_TEST); | |
652 | ||
653 | if (!rocker_wait_event_timeout(&wait, HZ / 10)) { | |
654 | dev_err(&pdev->dev, "no interrupt received within a timeout\n"); | |
655 | err = -EIO; | |
656 | goto free_irq; | |
657 | } | |
658 | ||
659 | err = rocker_dma_test(rocker, &wait); | |
660 | if (err) | |
661 | dev_err(&pdev->dev, "dma test failed\n"); | |
662 | ||
663 | free_irq: | |
664 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_TEST), &wait); | |
665 | return err; | |
666 | } | |
667 | ||
668 | /****** | |
669 | * TLV | |
670 | ******/ | |
671 | ||
672 | #define ROCKER_TLV_ALIGNTO 8U | |
673 | #define ROCKER_TLV_ALIGN(len) \ | |
674 | (((len) + ROCKER_TLV_ALIGNTO - 1) & ~(ROCKER_TLV_ALIGNTO - 1)) | |
675 | #define ROCKER_TLV_HDRLEN ROCKER_TLV_ALIGN(sizeof(struct rocker_tlv)) | |
676 | ||
677 | /* <------- ROCKER_TLV_HDRLEN -------> <--- ROCKER_TLV_ALIGN(payload) ---> | |
678 | * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+ | |
679 | * | Header | Pad | Payload | Pad | | |
680 | * | (struct rocker_tlv) | ing | | ing | | |
681 | * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+ | |
682 | * <--------------------------- tlv->len --------------------------> | |
683 | */ | |
684 | ||
685 | static struct rocker_tlv *rocker_tlv_next(const struct rocker_tlv *tlv, | |
686 | int *remaining) | |
687 | { | |
688 | int totlen = ROCKER_TLV_ALIGN(tlv->len); | |
689 | ||
690 | *remaining -= totlen; | |
691 | return (struct rocker_tlv *) ((char *) tlv + totlen); | |
692 | } | |
693 | ||
694 | static int rocker_tlv_ok(const struct rocker_tlv *tlv, int remaining) | |
695 | { | |
696 | return remaining >= (int) ROCKER_TLV_HDRLEN && | |
697 | tlv->len >= ROCKER_TLV_HDRLEN && | |
698 | tlv->len <= remaining; | |
699 | } | |
700 | ||
701 | #define rocker_tlv_for_each(pos, head, len, rem) \ | |
702 | for (pos = head, rem = len; \ | |
703 | rocker_tlv_ok(pos, rem); \ | |
704 | pos = rocker_tlv_next(pos, &(rem))) | |
705 | ||
706 | #define rocker_tlv_for_each_nested(pos, tlv, rem) \ | |
707 | rocker_tlv_for_each(pos, rocker_tlv_data(tlv), \ | |
708 | rocker_tlv_len(tlv), rem) | |
709 | ||
710 | static int rocker_tlv_attr_size(int payload) | |
711 | { | |
712 | return ROCKER_TLV_HDRLEN + payload; | |
713 | } | |
714 | ||
715 | static int rocker_tlv_total_size(int payload) | |
716 | { | |
717 | return ROCKER_TLV_ALIGN(rocker_tlv_attr_size(payload)); | |
718 | } | |
719 | ||
720 | static int rocker_tlv_padlen(int payload) | |
721 | { | |
722 | return rocker_tlv_total_size(payload) - rocker_tlv_attr_size(payload); | |
723 | } | |
724 | ||
725 | static int rocker_tlv_type(const struct rocker_tlv *tlv) | |
726 | { | |
727 | return tlv->type; | |
728 | } | |
729 | ||
730 | static void *rocker_tlv_data(const struct rocker_tlv *tlv) | |
731 | { | |
732 | return (char *) tlv + ROCKER_TLV_HDRLEN; | |
733 | } | |
734 | ||
735 | static int rocker_tlv_len(const struct rocker_tlv *tlv) | |
736 | { | |
737 | return tlv->len - ROCKER_TLV_HDRLEN; | |
738 | } | |
739 | ||
740 | static u8 rocker_tlv_get_u8(const struct rocker_tlv *tlv) | |
741 | { | |
742 | return *(u8 *) rocker_tlv_data(tlv); | |
743 | } | |
744 | ||
745 | static u16 rocker_tlv_get_u16(const struct rocker_tlv *tlv) | |
746 | { | |
747 | return *(u16 *) rocker_tlv_data(tlv); | |
748 | } | |
749 | ||
9b03c71f JP |
750 | static __be16 rocker_tlv_get_be16(const struct rocker_tlv *tlv) |
751 | { | |
752 | return *(__be16 *) rocker_tlv_data(tlv); | |
753 | } | |
754 | ||
4b8ac966 JP |
755 | static u32 rocker_tlv_get_u32(const struct rocker_tlv *tlv) |
756 | { | |
757 | return *(u32 *) rocker_tlv_data(tlv); | |
758 | } | |
759 | ||
760 | static u64 rocker_tlv_get_u64(const struct rocker_tlv *tlv) | |
761 | { | |
762 | return *(u64 *) rocker_tlv_data(tlv); | |
763 | } | |
764 | ||
e5054643 | 765 | static void rocker_tlv_parse(const struct rocker_tlv **tb, int maxtype, |
4b8ac966 JP |
766 | const char *buf, int buf_len) |
767 | { | |
768 | const struct rocker_tlv *tlv; | |
769 | const struct rocker_tlv *head = (const struct rocker_tlv *) buf; | |
770 | int rem; | |
771 | ||
772 | memset(tb, 0, sizeof(struct rocker_tlv *) * (maxtype + 1)); | |
773 | ||
774 | rocker_tlv_for_each(tlv, head, buf_len, rem) { | |
775 | u32 type = rocker_tlv_type(tlv); | |
776 | ||
777 | if (type > 0 && type <= maxtype) | |
e5054643 | 778 | tb[type] = tlv; |
4b8ac966 JP |
779 | } |
780 | } | |
781 | ||
e5054643 | 782 | static void rocker_tlv_parse_nested(const struct rocker_tlv **tb, int maxtype, |
4b8ac966 JP |
783 | const struct rocker_tlv *tlv) |
784 | { | |
785 | rocker_tlv_parse(tb, maxtype, rocker_tlv_data(tlv), | |
786 | rocker_tlv_len(tlv)); | |
787 | } | |
788 | ||
e5054643 SH |
789 | static void rocker_tlv_parse_desc(const struct rocker_tlv **tb, int maxtype, |
790 | const struct rocker_desc_info *desc_info) | |
4b8ac966 JP |
791 | { |
792 | rocker_tlv_parse(tb, maxtype, desc_info->data, | |
793 | desc_info->desc->tlv_size); | |
794 | } | |
795 | ||
796 | static struct rocker_tlv *rocker_tlv_start(struct rocker_desc_info *desc_info) | |
797 | { | |
798 | return (struct rocker_tlv *) ((char *) desc_info->data + | |
799 | desc_info->tlv_size); | |
800 | } | |
801 | ||
802 | static int rocker_tlv_put(struct rocker_desc_info *desc_info, | |
803 | int attrtype, int attrlen, const void *data) | |
804 | { | |
805 | int tail_room = desc_info->data_size - desc_info->tlv_size; | |
806 | int total_size = rocker_tlv_total_size(attrlen); | |
807 | struct rocker_tlv *tlv; | |
808 | ||
809 | if (unlikely(tail_room < total_size)) | |
810 | return -EMSGSIZE; | |
811 | ||
812 | tlv = rocker_tlv_start(desc_info); | |
813 | desc_info->tlv_size += total_size; | |
814 | tlv->type = attrtype; | |
815 | tlv->len = rocker_tlv_attr_size(attrlen); | |
816 | memcpy(rocker_tlv_data(tlv), data, attrlen); | |
817 | memset((char *) tlv + tlv->len, 0, rocker_tlv_padlen(attrlen)); | |
818 | return 0; | |
819 | } | |
820 | ||
821 | static int rocker_tlv_put_u8(struct rocker_desc_info *desc_info, | |
822 | int attrtype, u8 value) | |
823 | { | |
824 | return rocker_tlv_put(desc_info, attrtype, sizeof(u8), &value); | |
825 | } | |
826 | ||
827 | static int rocker_tlv_put_u16(struct rocker_desc_info *desc_info, | |
828 | int attrtype, u16 value) | |
829 | { | |
830 | return rocker_tlv_put(desc_info, attrtype, sizeof(u16), &value); | |
831 | } | |
832 | ||
9b03c71f JP |
833 | static int rocker_tlv_put_be16(struct rocker_desc_info *desc_info, |
834 | int attrtype, __be16 value) | |
835 | { | |
836 | return rocker_tlv_put(desc_info, attrtype, sizeof(__be16), &value); | |
837 | } | |
838 | ||
4b8ac966 JP |
839 | static int rocker_tlv_put_u32(struct rocker_desc_info *desc_info, |
840 | int attrtype, u32 value) | |
841 | { | |
842 | return rocker_tlv_put(desc_info, attrtype, sizeof(u32), &value); | |
843 | } | |
844 | ||
9b03c71f JP |
845 | static int rocker_tlv_put_be32(struct rocker_desc_info *desc_info, |
846 | int attrtype, __be32 value) | |
847 | { | |
848 | return rocker_tlv_put(desc_info, attrtype, sizeof(__be32), &value); | |
849 | } | |
850 | ||
4b8ac966 JP |
851 | static int rocker_tlv_put_u64(struct rocker_desc_info *desc_info, |
852 | int attrtype, u64 value) | |
853 | { | |
854 | return rocker_tlv_put(desc_info, attrtype, sizeof(u64), &value); | |
855 | } | |
856 | ||
857 | static struct rocker_tlv * | |
858 | rocker_tlv_nest_start(struct rocker_desc_info *desc_info, int attrtype) | |
859 | { | |
860 | struct rocker_tlv *start = rocker_tlv_start(desc_info); | |
861 | ||
862 | if (rocker_tlv_put(desc_info, attrtype, 0, NULL) < 0) | |
863 | return NULL; | |
864 | ||
865 | return start; | |
866 | } | |
867 | ||
868 | static void rocker_tlv_nest_end(struct rocker_desc_info *desc_info, | |
869 | struct rocker_tlv *start) | |
870 | { | |
871 | start->len = (char *) rocker_tlv_start(desc_info) - (char *) start; | |
872 | } | |
873 | ||
874 | static void rocker_tlv_nest_cancel(struct rocker_desc_info *desc_info, | |
e5054643 | 875 | const struct rocker_tlv *start) |
4b8ac966 | 876 | { |
e5054643 | 877 | desc_info->tlv_size = (const char *) start - desc_info->data; |
4b8ac966 JP |
878 | } |
879 | ||
880 | /****************************************** | |
881 | * DMA rings and descriptors manipulations | |
882 | ******************************************/ | |
883 | ||
884 | static u32 __pos_inc(u32 pos, size_t limit) | |
885 | { | |
886 | return ++pos == limit ? 0 : pos; | |
887 | } | |
888 | ||
e5054643 | 889 | static int rocker_desc_err(const struct rocker_desc_info *desc_info) |
4b8ac966 | 890 | { |
7eb344f8 SF |
891 | int err = desc_info->desc->comp_err & ~ROCKER_DMA_DESC_COMP_ERR_GEN; |
892 | ||
893 | switch (err) { | |
894 | case ROCKER_OK: | |
895 | return 0; | |
896 | case -ROCKER_ENOENT: | |
897 | return -ENOENT; | |
898 | case -ROCKER_ENXIO: | |
899 | return -ENXIO; | |
900 | case -ROCKER_ENOMEM: | |
901 | return -ENOMEM; | |
902 | case -ROCKER_EEXIST: | |
903 | return -EEXIST; | |
904 | case -ROCKER_EINVAL: | |
905 | return -EINVAL; | |
906 | case -ROCKER_EMSGSIZE: | |
907 | return -EMSGSIZE; | |
908 | case -ROCKER_ENOTSUP: | |
909 | return -EOPNOTSUPP; | |
910 | case -ROCKER_ENOBUFS: | |
911 | return -ENOBUFS; | |
912 | } | |
913 | ||
914 | return -EINVAL; | |
4b8ac966 JP |
915 | } |
916 | ||
e5054643 | 917 | static void rocker_desc_gen_clear(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
918 | { |
919 | desc_info->desc->comp_err &= ~ROCKER_DMA_DESC_COMP_ERR_GEN; | |
920 | } | |
921 | ||
e5054643 | 922 | static bool rocker_desc_gen(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
923 | { |
924 | u32 comp_err = desc_info->desc->comp_err; | |
925 | ||
926 | return comp_err & ROCKER_DMA_DESC_COMP_ERR_GEN ? true : false; | |
927 | } | |
928 | ||
e5054643 | 929 | static void *rocker_desc_cookie_ptr_get(const struct rocker_desc_info *desc_info) |
4b8ac966 | 930 | { |
adedf37b | 931 | return (void *)(uintptr_t)desc_info->desc->cookie; |
4b8ac966 JP |
932 | } |
933 | ||
e5054643 | 934 | static void rocker_desc_cookie_ptr_set(const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
935 | void *ptr) |
936 | { | |
adedf37b | 937 | desc_info->desc->cookie = (uintptr_t) ptr; |
4b8ac966 JP |
938 | } |
939 | ||
940 | static struct rocker_desc_info * | |
e5054643 | 941 | rocker_desc_head_get(const struct rocker_dma_ring_info *info) |
4b8ac966 JP |
942 | { |
943 | static struct rocker_desc_info *desc_info; | |
944 | u32 head = __pos_inc(info->head, info->size); | |
945 | ||
946 | desc_info = &info->desc_info[info->head]; | |
947 | if (head == info->tail) | |
948 | return NULL; /* ring full */ | |
949 | desc_info->tlv_size = 0; | |
950 | return desc_info; | |
951 | } | |
952 | ||
e5054643 | 953 | static void rocker_desc_commit(const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
954 | { |
955 | desc_info->desc->buf_size = desc_info->data_size; | |
956 | desc_info->desc->tlv_size = desc_info->tlv_size; | |
957 | } | |
958 | ||
e5054643 | 959 | static void rocker_desc_head_set(const struct rocker *rocker, |
4b8ac966 | 960 | struct rocker_dma_ring_info *info, |
e5054643 | 961 | const struct rocker_desc_info *desc_info) |
4b8ac966 JP |
962 | { |
963 | u32 head = __pos_inc(info->head, info->size); | |
964 | ||
965 | BUG_ON(head == info->tail); | |
966 | rocker_desc_commit(desc_info); | |
967 | info->head = head; | |
968 | rocker_write32(rocker, DMA_DESC_HEAD(info->type), head); | |
969 | } | |
970 | ||
971 | static struct rocker_desc_info * | |
972 | rocker_desc_tail_get(struct rocker_dma_ring_info *info) | |
973 | { | |
974 | static struct rocker_desc_info *desc_info; | |
975 | ||
976 | if (info->tail == info->head) | |
977 | return NULL; /* nothing to be done between head and tail */ | |
978 | desc_info = &info->desc_info[info->tail]; | |
979 | if (!rocker_desc_gen(desc_info)) | |
980 | return NULL; /* gen bit not set, desc is not ready yet */ | |
981 | info->tail = __pos_inc(info->tail, info->size); | |
982 | desc_info->tlv_size = desc_info->desc->tlv_size; | |
983 | return desc_info; | |
984 | } | |
985 | ||
e5054643 SH |
986 | static void rocker_dma_ring_credits_set(const struct rocker *rocker, |
987 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
988 | u32 credits) |
989 | { | |
990 | if (credits) | |
991 | rocker_write32(rocker, DMA_DESC_CREDITS(info->type), credits); | |
992 | } | |
993 | ||
994 | static unsigned long rocker_dma_ring_size_fix(size_t size) | |
995 | { | |
996 | return max(ROCKER_DMA_SIZE_MIN, | |
997 | min(roundup_pow_of_two(size), ROCKER_DMA_SIZE_MAX)); | |
998 | } | |
999 | ||
e5054643 | 1000 | static int rocker_dma_ring_create(const struct rocker *rocker, |
4b8ac966 JP |
1001 | unsigned int type, |
1002 | size_t size, | |
1003 | struct rocker_dma_ring_info *info) | |
1004 | { | |
1005 | int i; | |
1006 | ||
1007 | BUG_ON(size != rocker_dma_ring_size_fix(size)); | |
1008 | info->size = size; | |
1009 | info->type = type; | |
1010 | info->head = 0; | |
1011 | info->tail = 0; | |
1012 | info->desc_info = kcalloc(info->size, sizeof(*info->desc_info), | |
1013 | GFP_KERNEL); | |
1014 | if (!info->desc_info) | |
1015 | return -ENOMEM; | |
1016 | ||
1017 | info->desc = pci_alloc_consistent(rocker->pdev, | |
1018 | info->size * sizeof(*info->desc), | |
1019 | &info->mapaddr); | |
1020 | if (!info->desc) { | |
1021 | kfree(info->desc_info); | |
1022 | return -ENOMEM; | |
1023 | } | |
1024 | ||
1025 | for (i = 0; i < info->size; i++) | |
1026 | info->desc_info[i].desc = &info->desc[i]; | |
1027 | ||
1028 | rocker_write32(rocker, DMA_DESC_CTRL(info->type), | |
1029 | ROCKER_DMA_DESC_CTRL_RESET); | |
1030 | rocker_write64(rocker, DMA_DESC_ADDR(info->type), info->mapaddr); | |
1031 | rocker_write32(rocker, DMA_DESC_SIZE(info->type), info->size); | |
1032 | ||
1033 | return 0; | |
1034 | } | |
1035 | ||
e5054643 SH |
1036 | static void rocker_dma_ring_destroy(const struct rocker *rocker, |
1037 | const struct rocker_dma_ring_info *info) | |
4b8ac966 JP |
1038 | { |
1039 | rocker_write64(rocker, DMA_DESC_ADDR(info->type), 0); | |
1040 | ||
1041 | pci_free_consistent(rocker->pdev, | |
1042 | info->size * sizeof(struct rocker_desc), | |
1043 | info->desc, info->mapaddr); | |
1044 | kfree(info->desc_info); | |
1045 | } | |
1046 | ||
e5054643 | 1047 | static void rocker_dma_ring_pass_to_producer(const struct rocker *rocker, |
4b8ac966 JP |
1048 | struct rocker_dma_ring_info *info) |
1049 | { | |
1050 | int i; | |
1051 | ||
1052 | BUG_ON(info->head || info->tail); | |
1053 | ||
1054 | /* When ring is consumer, we need to advance head for each desc. | |
1055 | * That tells hw that the desc is ready to be used by it. | |
1056 | */ | |
1057 | for (i = 0; i < info->size - 1; i++) | |
1058 | rocker_desc_head_set(rocker, info, &info->desc_info[i]); | |
1059 | rocker_desc_commit(&info->desc_info[i]); | |
1060 | } | |
1061 | ||
e5054643 SH |
1062 | static int rocker_dma_ring_bufs_alloc(const struct rocker *rocker, |
1063 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
1064 | int direction, size_t buf_size) |
1065 | { | |
1066 | struct pci_dev *pdev = rocker->pdev; | |
1067 | int i; | |
1068 | int err; | |
1069 | ||
1070 | for (i = 0; i < info->size; i++) { | |
1071 | struct rocker_desc_info *desc_info = &info->desc_info[i]; | |
1072 | struct rocker_desc *desc = &info->desc[i]; | |
1073 | dma_addr_t dma_handle; | |
1074 | char *buf; | |
1075 | ||
1076 | buf = kzalloc(buf_size, GFP_KERNEL | GFP_DMA); | |
1077 | if (!buf) { | |
1078 | err = -ENOMEM; | |
1079 | goto rollback; | |
1080 | } | |
1081 | ||
1082 | dma_handle = pci_map_single(pdev, buf, buf_size, direction); | |
1083 | if (pci_dma_mapping_error(pdev, dma_handle)) { | |
1084 | kfree(buf); | |
1085 | err = -EIO; | |
1086 | goto rollback; | |
1087 | } | |
1088 | ||
1089 | desc_info->data = buf; | |
1090 | desc_info->data_size = buf_size; | |
1091 | dma_unmap_addr_set(desc_info, mapaddr, dma_handle); | |
1092 | ||
1093 | desc->buf_addr = dma_handle; | |
1094 | desc->buf_size = buf_size; | |
1095 | } | |
1096 | return 0; | |
1097 | ||
1098 | rollback: | |
1099 | for (i--; i >= 0; i--) { | |
e5054643 | 1100 | const struct rocker_desc_info *desc_info = &info->desc_info[i]; |
4b8ac966 JP |
1101 | |
1102 | pci_unmap_single(pdev, dma_unmap_addr(desc_info, mapaddr), | |
1103 | desc_info->data_size, direction); | |
1104 | kfree(desc_info->data); | |
1105 | } | |
1106 | return err; | |
1107 | } | |
1108 | ||
e5054643 SH |
1109 | static void rocker_dma_ring_bufs_free(const struct rocker *rocker, |
1110 | const struct rocker_dma_ring_info *info, | |
4b8ac966 JP |
1111 | int direction) |
1112 | { | |
1113 | struct pci_dev *pdev = rocker->pdev; | |
1114 | int i; | |
1115 | ||
1116 | for (i = 0; i < info->size; i++) { | |
e5054643 | 1117 | const struct rocker_desc_info *desc_info = &info->desc_info[i]; |
4b8ac966 JP |
1118 | struct rocker_desc *desc = &info->desc[i]; |
1119 | ||
1120 | desc->buf_addr = 0; | |
1121 | desc->buf_size = 0; | |
1122 | pci_unmap_single(pdev, dma_unmap_addr(desc_info, mapaddr), | |
1123 | desc_info->data_size, direction); | |
1124 | kfree(desc_info->data); | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | static int rocker_dma_rings_init(struct rocker *rocker) | |
1129 | { | |
e5054643 | 1130 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
1131 | int err; |
1132 | ||
1133 | err = rocker_dma_ring_create(rocker, ROCKER_DMA_CMD, | |
1134 | ROCKER_DMA_CMD_DEFAULT_SIZE, | |
1135 | &rocker->cmd_ring); | |
1136 | if (err) { | |
1137 | dev_err(&pdev->dev, "failed to create command dma ring\n"); | |
1138 | return err; | |
1139 | } | |
1140 | ||
1141 | spin_lock_init(&rocker->cmd_ring_lock); | |
1142 | ||
1143 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker->cmd_ring, | |
1144 | PCI_DMA_BIDIRECTIONAL, PAGE_SIZE); | |
1145 | if (err) { | |
1146 | dev_err(&pdev->dev, "failed to alloc command dma ring buffers\n"); | |
1147 | goto err_dma_cmd_ring_bufs_alloc; | |
1148 | } | |
1149 | ||
1150 | err = rocker_dma_ring_create(rocker, ROCKER_DMA_EVENT, | |
1151 | ROCKER_DMA_EVENT_DEFAULT_SIZE, | |
1152 | &rocker->event_ring); | |
1153 | if (err) { | |
1154 | dev_err(&pdev->dev, "failed to create event dma ring\n"); | |
1155 | goto err_dma_event_ring_create; | |
1156 | } | |
1157 | ||
1158 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker->event_ring, | |
1159 | PCI_DMA_FROMDEVICE, PAGE_SIZE); | |
1160 | if (err) { | |
1161 | dev_err(&pdev->dev, "failed to alloc event dma ring buffers\n"); | |
1162 | goto err_dma_event_ring_bufs_alloc; | |
1163 | } | |
1164 | rocker_dma_ring_pass_to_producer(rocker, &rocker->event_ring); | |
1165 | return 0; | |
1166 | ||
1167 | err_dma_event_ring_bufs_alloc: | |
1168 | rocker_dma_ring_destroy(rocker, &rocker->event_ring); | |
1169 | err_dma_event_ring_create: | |
1170 | rocker_dma_ring_bufs_free(rocker, &rocker->cmd_ring, | |
1171 | PCI_DMA_BIDIRECTIONAL); | |
1172 | err_dma_cmd_ring_bufs_alloc: | |
1173 | rocker_dma_ring_destroy(rocker, &rocker->cmd_ring); | |
1174 | return err; | |
1175 | } | |
1176 | ||
1177 | static void rocker_dma_rings_fini(struct rocker *rocker) | |
1178 | { | |
1179 | rocker_dma_ring_bufs_free(rocker, &rocker->event_ring, | |
1180 | PCI_DMA_BIDIRECTIONAL); | |
1181 | rocker_dma_ring_destroy(rocker, &rocker->event_ring); | |
1182 | rocker_dma_ring_bufs_free(rocker, &rocker->cmd_ring, | |
1183 | PCI_DMA_BIDIRECTIONAL); | |
1184 | rocker_dma_ring_destroy(rocker, &rocker->cmd_ring); | |
1185 | } | |
1186 | ||
534ba6a8 | 1187 | static int rocker_dma_rx_ring_skb_map(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1188 | struct rocker_desc_info *desc_info, |
1189 | struct sk_buff *skb, size_t buf_len) | |
1190 | { | |
534ba6a8 | 1191 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1192 | struct pci_dev *pdev = rocker->pdev; |
1193 | dma_addr_t dma_handle; | |
1194 | ||
1195 | dma_handle = pci_map_single(pdev, skb->data, buf_len, | |
1196 | PCI_DMA_FROMDEVICE); | |
1197 | if (pci_dma_mapping_error(pdev, dma_handle)) | |
1198 | return -EIO; | |
1199 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_RX_FRAG_ADDR, dma_handle)) | |
1200 | goto tlv_put_failure; | |
1201 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_RX_FRAG_MAX_LEN, buf_len)) | |
1202 | goto tlv_put_failure; | |
1203 | return 0; | |
1204 | ||
1205 | tlv_put_failure: | |
1206 | pci_unmap_single(pdev, dma_handle, buf_len, PCI_DMA_FROMDEVICE); | |
1207 | desc_info->tlv_size = 0; | |
1208 | return -EMSGSIZE; | |
1209 | } | |
1210 | ||
e5054643 | 1211 | static size_t rocker_port_rx_buf_len(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1212 | { |
1213 | return rocker_port->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; | |
1214 | } | |
1215 | ||
534ba6a8 | 1216 | static int rocker_dma_rx_ring_skb_alloc(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1217 | struct rocker_desc_info *desc_info) |
1218 | { | |
1219 | struct net_device *dev = rocker_port->dev; | |
1220 | struct sk_buff *skb; | |
1221 | size_t buf_len = rocker_port_rx_buf_len(rocker_port); | |
1222 | int err; | |
1223 | ||
1224 | /* Ensure that hw will see tlv_size zero in case of an error. | |
1225 | * That tells hw to use another descriptor. | |
1226 | */ | |
1227 | rocker_desc_cookie_ptr_set(desc_info, NULL); | |
1228 | desc_info->tlv_size = 0; | |
1229 | ||
1230 | skb = netdev_alloc_skb_ip_align(dev, buf_len); | |
1231 | if (!skb) | |
1232 | return -ENOMEM; | |
534ba6a8 | 1233 | err = rocker_dma_rx_ring_skb_map(rocker_port, desc_info, skb, buf_len); |
4b8ac966 JP |
1234 | if (err) { |
1235 | dev_kfree_skb_any(skb); | |
1236 | return err; | |
1237 | } | |
1238 | rocker_desc_cookie_ptr_set(desc_info, skb); | |
1239 | return 0; | |
1240 | } | |
1241 | ||
e5054643 SH |
1242 | static void rocker_dma_rx_ring_skb_unmap(const struct rocker *rocker, |
1243 | const struct rocker_tlv **attrs) | |
4b8ac966 JP |
1244 | { |
1245 | struct pci_dev *pdev = rocker->pdev; | |
1246 | dma_addr_t dma_handle; | |
1247 | size_t len; | |
1248 | ||
1249 | if (!attrs[ROCKER_TLV_RX_FRAG_ADDR] || | |
1250 | !attrs[ROCKER_TLV_RX_FRAG_MAX_LEN]) | |
1251 | return; | |
1252 | dma_handle = rocker_tlv_get_u64(attrs[ROCKER_TLV_RX_FRAG_ADDR]); | |
1253 | len = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FRAG_MAX_LEN]); | |
1254 | pci_unmap_single(pdev, dma_handle, len, PCI_DMA_FROMDEVICE); | |
1255 | } | |
1256 | ||
e5054643 SH |
1257 | static void rocker_dma_rx_ring_skb_free(const struct rocker *rocker, |
1258 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 1259 | { |
e5054643 | 1260 | const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1]; |
4b8ac966 JP |
1261 | struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info); |
1262 | ||
1263 | if (!skb) | |
1264 | return; | |
1265 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info); | |
1266 | rocker_dma_rx_ring_skb_unmap(rocker, attrs); | |
1267 | dev_kfree_skb_any(skb); | |
1268 | } | |
1269 | ||
534ba6a8 | 1270 | static int rocker_dma_rx_ring_skbs_alloc(const struct rocker_port *rocker_port) |
4b8ac966 | 1271 | { |
e5054643 | 1272 | const struct rocker_dma_ring_info *rx_ring = &rocker_port->rx_ring; |
534ba6a8 | 1273 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1274 | int i; |
1275 | int err; | |
1276 | ||
1277 | for (i = 0; i < rx_ring->size; i++) { | |
534ba6a8 | 1278 | err = rocker_dma_rx_ring_skb_alloc(rocker_port, |
4b8ac966 JP |
1279 | &rx_ring->desc_info[i]); |
1280 | if (err) | |
1281 | goto rollback; | |
1282 | } | |
1283 | return 0; | |
1284 | ||
1285 | rollback: | |
1286 | for (i--; i >= 0; i--) | |
1287 | rocker_dma_rx_ring_skb_free(rocker, &rx_ring->desc_info[i]); | |
1288 | return err; | |
1289 | } | |
1290 | ||
534ba6a8 | 1291 | static void rocker_dma_rx_ring_skbs_free(const struct rocker_port *rocker_port) |
4b8ac966 | 1292 | { |
e5054643 | 1293 | const struct rocker_dma_ring_info *rx_ring = &rocker_port->rx_ring; |
534ba6a8 | 1294 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1295 | int i; |
1296 | ||
1297 | for (i = 0; i < rx_ring->size; i++) | |
1298 | rocker_dma_rx_ring_skb_free(rocker, &rx_ring->desc_info[i]); | |
1299 | } | |
1300 | ||
1301 | static int rocker_port_dma_rings_init(struct rocker_port *rocker_port) | |
1302 | { | |
1303 | struct rocker *rocker = rocker_port->rocker; | |
1304 | int err; | |
1305 | ||
1306 | err = rocker_dma_ring_create(rocker, | |
1307 | ROCKER_DMA_TX(rocker_port->port_number), | |
1308 | ROCKER_DMA_TX_DEFAULT_SIZE, | |
1309 | &rocker_port->tx_ring); | |
1310 | if (err) { | |
1311 | netdev_err(rocker_port->dev, "failed to create tx dma ring\n"); | |
1312 | return err; | |
1313 | } | |
1314 | ||
1315 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker_port->tx_ring, | |
1316 | PCI_DMA_TODEVICE, | |
1317 | ROCKER_DMA_TX_DESC_SIZE); | |
1318 | if (err) { | |
1319 | netdev_err(rocker_port->dev, "failed to alloc tx dma ring buffers\n"); | |
1320 | goto err_dma_tx_ring_bufs_alloc; | |
1321 | } | |
1322 | ||
1323 | err = rocker_dma_ring_create(rocker, | |
1324 | ROCKER_DMA_RX(rocker_port->port_number), | |
1325 | ROCKER_DMA_RX_DEFAULT_SIZE, | |
1326 | &rocker_port->rx_ring); | |
1327 | if (err) { | |
1328 | netdev_err(rocker_port->dev, "failed to create rx dma ring\n"); | |
1329 | goto err_dma_rx_ring_create; | |
1330 | } | |
1331 | ||
1332 | err = rocker_dma_ring_bufs_alloc(rocker, &rocker_port->rx_ring, | |
1333 | PCI_DMA_BIDIRECTIONAL, | |
1334 | ROCKER_DMA_RX_DESC_SIZE); | |
1335 | if (err) { | |
1336 | netdev_err(rocker_port->dev, "failed to alloc rx dma ring buffers\n"); | |
1337 | goto err_dma_rx_ring_bufs_alloc; | |
1338 | } | |
1339 | ||
534ba6a8 | 1340 | err = rocker_dma_rx_ring_skbs_alloc(rocker_port); |
4b8ac966 JP |
1341 | if (err) { |
1342 | netdev_err(rocker_port->dev, "failed to alloc rx dma ring skbs\n"); | |
1343 | goto err_dma_rx_ring_skbs_alloc; | |
1344 | } | |
1345 | rocker_dma_ring_pass_to_producer(rocker, &rocker_port->rx_ring); | |
1346 | ||
1347 | return 0; | |
1348 | ||
1349 | err_dma_rx_ring_skbs_alloc: | |
1350 | rocker_dma_ring_bufs_free(rocker, &rocker_port->rx_ring, | |
1351 | PCI_DMA_BIDIRECTIONAL); | |
1352 | err_dma_rx_ring_bufs_alloc: | |
1353 | rocker_dma_ring_destroy(rocker, &rocker_port->rx_ring); | |
1354 | err_dma_rx_ring_create: | |
1355 | rocker_dma_ring_bufs_free(rocker, &rocker_port->tx_ring, | |
1356 | PCI_DMA_TODEVICE); | |
1357 | err_dma_tx_ring_bufs_alloc: | |
1358 | rocker_dma_ring_destroy(rocker, &rocker_port->tx_ring); | |
1359 | return err; | |
1360 | } | |
1361 | ||
1362 | static void rocker_port_dma_rings_fini(struct rocker_port *rocker_port) | |
1363 | { | |
1364 | struct rocker *rocker = rocker_port->rocker; | |
1365 | ||
534ba6a8 | 1366 | rocker_dma_rx_ring_skbs_free(rocker_port); |
4b8ac966 JP |
1367 | rocker_dma_ring_bufs_free(rocker, &rocker_port->rx_ring, |
1368 | PCI_DMA_BIDIRECTIONAL); | |
1369 | rocker_dma_ring_destroy(rocker, &rocker_port->rx_ring); | |
1370 | rocker_dma_ring_bufs_free(rocker, &rocker_port->tx_ring, | |
1371 | PCI_DMA_TODEVICE); | |
1372 | rocker_dma_ring_destroy(rocker, &rocker_port->tx_ring); | |
1373 | } | |
1374 | ||
e5054643 SH |
1375 | static void rocker_port_set_enable(const struct rocker_port *rocker_port, |
1376 | bool enable) | |
4b8ac966 JP |
1377 | { |
1378 | u64 val = rocker_read64(rocker_port->rocker, PORT_PHYS_ENABLE); | |
1379 | ||
1380 | if (enable) | |
71a83a6d | 1381 | val |= 1ULL << rocker_port->pport; |
4b8ac966 | 1382 | else |
71a83a6d | 1383 | val &= ~(1ULL << rocker_port->pport); |
4b8ac966 JP |
1384 | rocker_write64(rocker_port->rocker, PORT_PHYS_ENABLE, val); |
1385 | } | |
1386 | ||
1387 | /******************************** | |
1388 | * Interrupt handler and helpers | |
1389 | ********************************/ | |
1390 | ||
1391 | static irqreturn_t rocker_cmd_irq_handler(int irq, void *dev_id) | |
1392 | { | |
1393 | struct rocker *rocker = dev_id; | |
e5054643 | 1394 | const struct rocker_desc_info *desc_info; |
4b8ac966 JP |
1395 | struct rocker_wait *wait; |
1396 | u32 credits = 0; | |
1397 | ||
1398 | spin_lock(&rocker->cmd_ring_lock); | |
1399 | while ((desc_info = rocker_desc_tail_get(&rocker->cmd_ring))) { | |
1400 | wait = rocker_desc_cookie_ptr_get(desc_info); | |
179f9a25 SF |
1401 | if (wait->nowait) { |
1402 | rocker_desc_gen_clear(desc_info); | |
1403 | rocker_wait_destroy(SWITCHDEV_TRANS_NONE, wait); | |
1404 | } else { | |
1405 | rocker_wait_wake_up(wait); | |
1406 | } | |
4b8ac966 JP |
1407 | credits++; |
1408 | } | |
1409 | spin_unlock(&rocker->cmd_ring_lock); | |
1410 | rocker_dma_ring_credits_set(rocker, &rocker->cmd_ring, credits); | |
1411 | ||
1412 | return IRQ_HANDLED; | |
1413 | } | |
1414 | ||
e5054643 | 1415 | static void rocker_port_link_up(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1416 | { |
1417 | netif_carrier_on(rocker_port->dev); | |
1418 | netdev_info(rocker_port->dev, "Link is up\n"); | |
1419 | } | |
1420 | ||
e5054643 | 1421 | static void rocker_port_link_down(const struct rocker_port *rocker_port) |
4b8ac966 JP |
1422 | { |
1423 | netif_carrier_off(rocker_port->dev); | |
1424 | netdev_info(rocker_port->dev, "Link is down\n"); | |
1425 | } | |
1426 | ||
e5054643 | 1427 | static int rocker_event_link_change(const struct rocker *rocker, |
4b8ac966 JP |
1428 | const struct rocker_tlv *info) |
1429 | { | |
e5054643 | 1430 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_LINK_CHANGED_MAX + 1]; |
4b8ac966 JP |
1431 | unsigned int port_number; |
1432 | bool link_up; | |
1433 | struct rocker_port *rocker_port; | |
1434 | ||
1435 | rocker_tlv_parse_nested(attrs, ROCKER_TLV_EVENT_LINK_CHANGED_MAX, info); | |
4a6bb6d3 | 1436 | if (!attrs[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT] || |
4b8ac966 JP |
1437 | !attrs[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP]) |
1438 | return -EIO; | |
1439 | port_number = | |
4a6bb6d3 | 1440 | rocker_tlv_get_u32(attrs[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT]) - 1; |
4b8ac966 JP |
1441 | link_up = rocker_tlv_get_u8(attrs[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP]); |
1442 | ||
1443 | if (port_number >= rocker->port_count) | |
1444 | return -EINVAL; | |
1445 | ||
1446 | rocker_port = rocker->ports[port_number]; | |
1447 | if (netif_carrier_ok(rocker_port->dev) != link_up) { | |
1448 | if (link_up) | |
1449 | rocker_port_link_up(rocker_port); | |
1450 | else | |
1451 | rocker_port_link_down(rocker_port); | |
1452 | } | |
1453 | ||
1454 | return 0; | |
1455 | } | |
1456 | ||
6c707945 | 1457 | static int rocker_port_fdb(struct rocker_port *rocker_port, |
c4f20321 | 1458 | enum switchdev_trans trans, |
6c707945 SF |
1459 | const unsigned char *addr, |
1460 | __be16 vlan_id, int flags); | |
1461 | ||
e5054643 | 1462 | static int rocker_event_mac_vlan_seen(const struct rocker *rocker, |
6c707945 SF |
1463 | const struct rocker_tlv *info) |
1464 | { | |
e5054643 | 1465 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAX + 1]; |
6c707945 SF |
1466 | unsigned int port_number; |
1467 | struct rocker_port *rocker_port; | |
e5054643 | 1468 | const unsigned char *addr; |
92014b97 | 1469 | int flags = ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_LEARNED; |
6c707945 SF |
1470 | __be16 vlan_id; |
1471 | ||
1472 | rocker_tlv_parse_nested(attrs, ROCKER_TLV_EVENT_MAC_VLAN_MAX, info); | |
4a6bb6d3 | 1473 | if (!attrs[ROCKER_TLV_EVENT_MAC_VLAN_PPORT] || |
6c707945 SF |
1474 | !attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAC] || |
1475 | !attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]) | |
1476 | return -EIO; | |
1477 | port_number = | |
4a6bb6d3 | 1478 | rocker_tlv_get_u32(attrs[ROCKER_TLV_EVENT_MAC_VLAN_PPORT]) - 1; |
6c707945 | 1479 | addr = rocker_tlv_data(attrs[ROCKER_TLV_EVENT_MAC_VLAN_MAC]); |
9b03c71f | 1480 | vlan_id = rocker_tlv_get_be16(attrs[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID]); |
6c707945 SF |
1481 | |
1482 | if (port_number >= rocker->port_count) | |
1483 | return -EINVAL; | |
1484 | ||
1485 | rocker_port = rocker->ports[port_number]; | |
1486 | ||
1487 | if (rocker_port->stp_state != BR_STATE_LEARNING && | |
1488 | rocker_port->stp_state != BR_STATE_FORWARDING) | |
1489 | return 0; | |
1490 | ||
92014b97 SF |
1491 | return rocker_port_fdb(rocker_port, SWITCHDEV_TRANS_NONE, |
1492 | addr, vlan_id, flags); | |
6c707945 | 1493 | } |
9f6bbf7c | 1494 | |
e5054643 SH |
1495 | static int rocker_event_process(const struct rocker *rocker, |
1496 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 1497 | { |
e5054643 SH |
1498 | const struct rocker_tlv *attrs[ROCKER_TLV_EVENT_MAX + 1]; |
1499 | const struct rocker_tlv *info; | |
4b8ac966 JP |
1500 | u16 type; |
1501 | ||
1502 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_EVENT_MAX, desc_info); | |
1503 | if (!attrs[ROCKER_TLV_EVENT_TYPE] || | |
1504 | !attrs[ROCKER_TLV_EVENT_INFO]) | |
1505 | return -EIO; | |
1506 | ||
1507 | type = rocker_tlv_get_u16(attrs[ROCKER_TLV_EVENT_TYPE]); | |
1508 | info = attrs[ROCKER_TLV_EVENT_INFO]; | |
1509 | ||
1510 | switch (type) { | |
1511 | case ROCKER_TLV_EVENT_TYPE_LINK_CHANGED: | |
1512 | return rocker_event_link_change(rocker, info); | |
6c707945 SF |
1513 | case ROCKER_TLV_EVENT_TYPE_MAC_VLAN_SEEN: |
1514 | return rocker_event_mac_vlan_seen(rocker, info); | |
4b8ac966 JP |
1515 | } |
1516 | ||
1517 | return -EOPNOTSUPP; | |
1518 | } | |
1519 | ||
1520 | static irqreturn_t rocker_event_irq_handler(int irq, void *dev_id) | |
1521 | { | |
1522 | struct rocker *rocker = dev_id; | |
e5054643 SH |
1523 | const struct pci_dev *pdev = rocker->pdev; |
1524 | const struct rocker_desc_info *desc_info; | |
4b8ac966 JP |
1525 | u32 credits = 0; |
1526 | int err; | |
1527 | ||
1528 | while ((desc_info = rocker_desc_tail_get(&rocker->event_ring))) { | |
1529 | err = rocker_desc_err(desc_info); | |
1530 | if (err) { | |
1531 | dev_err(&pdev->dev, "event desc received with err %d\n", | |
1532 | err); | |
1533 | } else { | |
1534 | err = rocker_event_process(rocker, desc_info); | |
1535 | if (err) | |
1536 | dev_err(&pdev->dev, "event processing failed with err %d\n", | |
1537 | err); | |
1538 | } | |
1539 | rocker_desc_gen_clear(desc_info); | |
1540 | rocker_desc_head_set(rocker, &rocker->event_ring, desc_info); | |
1541 | credits++; | |
1542 | } | |
1543 | rocker_dma_ring_credits_set(rocker, &rocker->event_ring, credits); | |
1544 | ||
1545 | return IRQ_HANDLED; | |
1546 | } | |
1547 | ||
1548 | static irqreturn_t rocker_tx_irq_handler(int irq, void *dev_id) | |
1549 | { | |
1550 | struct rocker_port *rocker_port = dev_id; | |
1551 | ||
1552 | napi_schedule(&rocker_port->napi_tx); | |
1553 | return IRQ_HANDLED; | |
1554 | } | |
1555 | ||
1556 | static irqreturn_t rocker_rx_irq_handler(int irq, void *dev_id) | |
1557 | { | |
1558 | struct rocker_port *rocker_port = dev_id; | |
1559 | ||
1560 | napi_schedule(&rocker_port->napi_rx); | |
1561 | return IRQ_HANDLED; | |
1562 | } | |
1563 | ||
1564 | /******************** | |
1565 | * Command interface | |
1566 | ********************/ | |
1567 | ||
534ba6a8 | 1568 | typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port, |
e5054643 SH |
1569 | struct rocker_desc_info *desc_info, |
1570 | void *priv); | |
1571 | ||
534ba6a8 | 1572 | typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port, |
e5054643 SH |
1573 | const struct rocker_desc_info *desc_info, |
1574 | void *priv); | |
4b8ac966 | 1575 | |
534ba6a8 | 1576 | static int rocker_cmd_exec(struct rocker_port *rocker_port, |
179f9a25 | 1577 | enum switchdev_trans trans, int flags, |
e5054643 SH |
1578 | rocker_cmd_prep_cb_t prepare, void *prepare_priv, |
1579 | rocker_cmd_proc_cb_t process, void *process_priv) | |
4b8ac966 | 1580 | { |
534ba6a8 | 1581 | struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
1582 | struct rocker_desc_info *desc_info; |
1583 | struct rocker_wait *wait; | |
179f9a25 SF |
1584 | bool nowait = !!(flags & ROCKER_OP_FLAG_NOWAIT); |
1585 | unsigned long lock_flags; | |
4b8ac966 JP |
1586 | int err; |
1587 | ||
179f9a25 | 1588 | wait = rocker_wait_create(rocker_port, trans, flags); |
4b8ac966 JP |
1589 | if (!wait) |
1590 | return -ENOMEM; | |
179f9a25 | 1591 | wait->nowait = nowait; |
4b8ac966 | 1592 | |
179f9a25 | 1593 | spin_lock_irqsave(&rocker->cmd_ring_lock, lock_flags); |
c4f20321 | 1594 | |
4b8ac966 JP |
1595 | desc_info = rocker_desc_head_get(&rocker->cmd_ring); |
1596 | if (!desc_info) { | |
179f9a25 | 1597 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
4b8ac966 JP |
1598 | err = -EAGAIN; |
1599 | goto out; | |
1600 | } | |
c4f20321 | 1601 | |
534ba6a8 | 1602 | err = prepare(rocker_port, desc_info, prepare_priv); |
4b8ac966 | 1603 | if (err) { |
179f9a25 | 1604 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
4b8ac966 JP |
1605 | goto out; |
1606 | } | |
c4f20321 | 1607 | |
4b8ac966 | 1608 | rocker_desc_cookie_ptr_set(desc_info, wait); |
4b8ac966 | 1609 | |
c4f20321 SF |
1610 | if (trans != SWITCHDEV_TRANS_PREPARE) |
1611 | rocker_desc_head_set(rocker, &rocker->cmd_ring, desc_info); | |
4b8ac966 | 1612 | |
179f9a25 SF |
1613 | spin_unlock_irqrestore(&rocker->cmd_ring_lock, lock_flags); |
1614 | ||
1615 | if (nowait) | |
1616 | return 0; | |
c4f20321 SF |
1617 | |
1618 | if (trans != SWITCHDEV_TRANS_PREPARE) | |
1619 | if (!rocker_wait_event_timeout(wait, HZ / 10)) | |
1620 | return -EIO; | |
4b8ac966 JP |
1621 | |
1622 | err = rocker_desc_err(desc_info); | |
1623 | if (err) | |
1624 | return err; | |
1625 | ||
1626 | if (process) | |
534ba6a8 | 1627 | err = process(rocker_port, desc_info, process_priv); |
4b8ac966 JP |
1628 | |
1629 | rocker_desc_gen_clear(desc_info); | |
1630 | out: | |
0985df73 | 1631 | rocker_wait_destroy(trans, wait); |
4b8ac966 JP |
1632 | return err; |
1633 | } | |
1634 | ||
1635 | static int | |
534ba6a8 | 1636 | rocker_cmd_get_port_settings_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1637 | struct rocker_desc_info *desc_info, |
1638 | void *priv) | |
1639 | { | |
1640 | struct rocker_tlv *cmd_info; | |
1641 | ||
1642 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1643 | ROCKER_TLV_CMD_TYPE_GET_PORT_SETTINGS)) | |
1644 | return -EMSGSIZE; | |
1645 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1646 | if (!cmd_info) | |
1647 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1648 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1649 | rocker_port->pport)) | |
4b8ac966 JP |
1650 | return -EMSGSIZE; |
1651 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1652 | return 0; | |
1653 | } | |
1654 | ||
1655 | static int | |
534ba6a8 | 1656 | rocker_cmd_get_port_settings_ethtool_proc(const struct rocker_port *rocker_port, |
e5054643 | 1657 | const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
1658 | void *priv) |
1659 | { | |
1660 | struct ethtool_cmd *ecmd = priv; | |
e5054643 SH |
1661 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
1662 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; | |
4b8ac966 JP |
1663 | u32 speed; |
1664 | u8 duplex; | |
1665 | u8 autoneg; | |
1666 | ||
1667 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1668 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1669 | return -EIO; | |
1670 | ||
1671 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1672 | attrs[ROCKER_TLV_CMD_INFO]); | |
1673 | if (!info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_SPEED] || | |
1674 | !info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX] || | |
1675 | !info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG]) | |
1676 | return -EIO; | |
1677 | ||
1678 | speed = rocker_tlv_get_u32(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_SPEED]); | |
1679 | duplex = rocker_tlv_get_u8(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX]); | |
1680 | autoneg = rocker_tlv_get_u8(info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG]); | |
1681 | ||
1682 | ecmd->transceiver = XCVR_INTERNAL; | |
1683 | ecmd->supported = SUPPORTED_TP; | |
1684 | ecmd->phy_address = 0xff; | |
1685 | ecmd->port = PORT_TP; | |
1686 | ethtool_cmd_speed_set(ecmd, speed); | |
1687 | ecmd->duplex = duplex ? DUPLEX_FULL : DUPLEX_HALF; | |
1688 | ecmd->autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
1689 | ||
1690 | return 0; | |
1691 | } | |
1692 | ||
1693 | static int | |
534ba6a8 | 1694 | rocker_cmd_get_port_settings_macaddr_proc(const struct rocker_port *rocker_port, |
e5054643 | 1695 | const struct rocker_desc_info *desc_info, |
4b8ac966 JP |
1696 | void *priv) |
1697 | { | |
1698 | unsigned char *macaddr = priv; | |
e5054643 SH |
1699 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
1700 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; | |
1701 | const struct rocker_tlv *attr; | |
4b8ac966 JP |
1702 | |
1703 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1704 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1705 | return -EIO; | |
1706 | ||
1707 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1708 | attrs[ROCKER_TLV_CMD_INFO]); | |
1709 | attr = info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR]; | |
1710 | if (!attr) | |
1711 | return -EIO; | |
1712 | ||
1713 | if (rocker_tlv_len(attr) != ETH_ALEN) | |
1714 | return -EINVAL; | |
1715 | ||
1716 | ether_addr_copy(macaddr, rocker_tlv_data(attr)); | |
1717 | return 0; | |
1718 | } | |
1719 | ||
db19170b DA |
1720 | struct port_name { |
1721 | char *buf; | |
1722 | size_t len; | |
1723 | }; | |
1724 | ||
1725 | static int | |
534ba6a8 | 1726 | rocker_cmd_get_port_settings_phys_name_proc(const struct rocker_port *rocker_port, |
e5054643 | 1727 | const struct rocker_desc_info *desc_info, |
db19170b DA |
1728 | void *priv) |
1729 | { | |
e5054643 SH |
1730 | const struct rocker_tlv *info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_MAX + 1]; |
1731 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; | |
db19170b | 1732 | struct port_name *name = priv; |
e5054643 | 1733 | const struct rocker_tlv *attr; |
db19170b | 1734 | size_t i, j, len; |
e5054643 | 1735 | const char *str; |
db19170b DA |
1736 | |
1737 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
1738 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
1739 | return -EIO; | |
1740 | ||
1741 | rocker_tlv_parse_nested(info_attrs, ROCKER_TLV_CMD_PORT_SETTINGS_MAX, | |
1742 | attrs[ROCKER_TLV_CMD_INFO]); | |
1743 | attr = info_attrs[ROCKER_TLV_CMD_PORT_SETTINGS_PHYS_NAME]; | |
1744 | if (!attr) | |
1745 | return -EIO; | |
1746 | ||
1747 | len = min_t(size_t, rocker_tlv_len(attr), name->len); | |
1748 | str = rocker_tlv_data(attr); | |
1749 | ||
1750 | /* make sure name only contains alphanumeric characters */ | |
1751 | for (i = j = 0; i < len; ++i) { | |
1752 | if (isalnum(str[i])) { | |
1753 | name->buf[j] = str[i]; | |
1754 | j++; | |
1755 | } | |
1756 | } | |
1757 | ||
1758 | if (j == 0) | |
1759 | return -EIO; | |
1760 | ||
1761 | name->buf[j] = '\0'; | |
1762 | ||
1763 | return 0; | |
1764 | } | |
1765 | ||
4b8ac966 | 1766 | static int |
534ba6a8 | 1767 | rocker_cmd_set_port_settings_ethtool_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1768 | struct rocker_desc_info *desc_info, |
1769 | void *priv) | |
1770 | { | |
1771 | struct ethtool_cmd *ecmd = priv; | |
1772 | struct rocker_tlv *cmd_info; | |
1773 | ||
1774 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1775 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1776 | return -EMSGSIZE; | |
1777 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1778 | if (!cmd_info) | |
1779 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1780 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1781 | rocker_port->pport)) | |
4b8ac966 JP |
1782 | return -EMSGSIZE; |
1783 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_SPEED, | |
1784 | ethtool_cmd_speed(ecmd))) | |
1785 | return -EMSGSIZE; | |
1786 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX, | |
1787 | ecmd->duplex)) | |
1788 | return -EMSGSIZE; | |
1789 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG, | |
1790 | ecmd->autoneg)) | |
1791 | return -EMSGSIZE; | |
1792 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1793 | return 0; | |
1794 | } | |
1795 | ||
1796 | static int | |
534ba6a8 | 1797 | rocker_cmd_set_port_settings_macaddr_prep(const struct rocker_port *rocker_port, |
4b8ac966 JP |
1798 | struct rocker_desc_info *desc_info, |
1799 | void *priv) | |
1800 | { | |
e5054643 | 1801 | const unsigned char *macaddr = priv; |
4b8ac966 JP |
1802 | struct rocker_tlv *cmd_info; |
1803 | ||
1804 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1805 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1806 | return -EMSGSIZE; | |
1807 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1808 | if (!cmd_info) | |
1809 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1810 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1811 | rocker_port->pport)) | |
4b8ac966 JP |
1812 | return -EMSGSIZE; |
1813 | if (rocker_tlv_put(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR, | |
1814 | ETH_ALEN, macaddr)) | |
1815 | return -EMSGSIZE; | |
1816 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1817 | return 0; | |
1818 | } | |
1819 | ||
5111f80c | 1820 | static int |
534ba6a8 | 1821 | rocker_cmd_set_port_learning_prep(const struct rocker_port *rocker_port, |
5111f80c SF |
1822 | struct rocker_desc_info *desc_info, |
1823 | void *priv) | |
1824 | { | |
1825 | struct rocker_tlv *cmd_info; | |
1826 | ||
1827 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
1828 | ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS)) | |
1829 | return -EMSGSIZE; | |
1830 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
1831 | if (!cmd_info) | |
1832 | return -EMSGSIZE; | |
4a6bb6d3 SF |
1833 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT, |
1834 | rocker_port->pport)) | |
5111f80c SF |
1835 | return -EMSGSIZE; |
1836 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING, | |
1837 | !!(rocker_port->brport_flags & BR_LEARNING))) | |
1838 | return -EMSGSIZE; | |
1839 | rocker_tlv_nest_end(desc_info, cmd_info); | |
1840 | return 0; | |
1841 | } | |
1842 | ||
4b8ac966 JP |
1843 | static int rocker_cmd_get_port_settings_ethtool(struct rocker_port *rocker_port, |
1844 | struct ethtool_cmd *ecmd) | |
1845 | { | |
179f9a25 | 1846 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 JP |
1847 | rocker_cmd_get_port_settings_prep, NULL, |
1848 | rocker_cmd_get_port_settings_ethtool_proc, | |
c4f20321 | 1849 | ecmd); |
4b8ac966 JP |
1850 | } |
1851 | ||
1852 | static int rocker_cmd_get_port_settings_macaddr(struct rocker_port *rocker_port, | |
1853 | unsigned char *macaddr) | |
1854 | { | |
179f9a25 | 1855 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 JP |
1856 | rocker_cmd_get_port_settings_prep, NULL, |
1857 | rocker_cmd_get_port_settings_macaddr_proc, | |
c4f20321 | 1858 | macaddr); |
4b8ac966 JP |
1859 | } |
1860 | ||
1861 | static int rocker_cmd_set_port_settings_ethtool(struct rocker_port *rocker_port, | |
1862 | struct ethtool_cmd *ecmd) | |
1863 | { | |
179f9a25 | 1864 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 | 1865 | rocker_cmd_set_port_settings_ethtool_prep, |
c4f20321 | 1866 | ecmd, NULL, NULL); |
4b8ac966 JP |
1867 | } |
1868 | ||
1869 | static int rocker_cmd_set_port_settings_macaddr(struct rocker_port *rocker_port, | |
1870 | unsigned char *macaddr) | |
1871 | { | |
179f9a25 | 1872 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
4b8ac966 | 1873 | rocker_cmd_set_port_settings_macaddr_prep, |
c4f20321 | 1874 | macaddr, NULL, NULL); |
4b8ac966 JP |
1875 | } |
1876 | ||
c4f20321 SF |
1877 | static int rocker_port_set_learning(struct rocker_port *rocker_port, |
1878 | enum switchdev_trans trans) | |
5111f80c | 1879 | { |
179f9a25 | 1880 | return rocker_cmd_exec(rocker_port, trans, 0, |
5111f80c | 1881 | rocker_cmd_set_port_learning_prep, |
c4f20321 | 1882 | NULL, NULL, NULL); |
5111f80c SF |
1883 | } |
1884 | ||
e5054643 SH |
1885 | static int |
1886 | rocker_cmd_flow_tbl_add_ig_port(struct rocker_desc_info *desc_info, | |
1887 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1888 | { |
4a6bb6d3 SF |
1889 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1890 | entry->key.ig_port.in_pport)) | |
9f6bbf7c | 1891 | return -EMSGSIZE; |
4a6bb6d3 SF |
1892 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
1893 | entry->key.ig_port.in_pport_mask)) | |
9f6bbf7c SF |
1894 | return -EMSGSIZE; |
1895 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1896 | entry->key.ig_port.goto_tbl)) | |
1897 | return -EMSGSIZE; | |
1898 | ||
1899 | return 0; | |
1900 | } | |
1901 | ||
e5054643 SH |
1902 | static int |
1903 | rocker_cmd_flow_tbl_add_vlan(struct rocker_desc_info *desc_info, | |
1904 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1905 | { |
4a6bb6d3 SF |
1906 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1907 | entry->key.vlan.in_pport)) | |
9f6bbf7c | 1908 | return -EMSGSIZE; |
9b03c71f JP |
1909 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
1910 | entry->key.vlan.vlan_id)) | |
9f6bbf7c | 1911 | return -EMSGSIZE; |
9b03c71f JP |
1912 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
1913 | entry->key.vlan.vlan_id_mask)) | |
9f6bbf7c SF |
1914 | return -EMSGSIZE; |
1915 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1916 | entry->key.vlan.goto_tbl)) | |
1917 | return -EMSGSIZE; | |
1918 | if (entry->key.vlan.untagged && | |
9b03c71f JP |
1919 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_NEW_VLAN_ID, |
1920 | entry->key.vlan.new_vlan_id)) | |
9f6bbf7c SF |
1921 | return -EMSGSIZE; |
1922 | ||
1923 | return 0; | |
1924 | } | |
1925 | ||
e5054643 SH |
1926 | static int |
1927 | rocker_cmd_flow_tbl_add_term_mac(struct rocker_desc_info *desc_info, | |
1928 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 1929 | { |
4a6bb6d3 SF |
1930 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
1931 | entry->key.term_mac.in_pport)) | |
9f6bbf7c | 1932 | return -EMSGSIZE; |
4a6bb6d3 SF |
1933 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
1934 | entry->key.term_mac.in_pport_mask)) | |
9f6bbf7c | 1935 | return -EMSGSIZE; |
9b03c71f JP |
1936 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
1937 | entry->key.term_mac.eth_type)) | |
9f6bbf7c SF |
1938 | return -EMSGSIZE; |
1939 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
1940 | ETH_ALEN, entry->key.term_mac.eth_dst)) | |
1941 | return -EMSGSIZE; | |
1942 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
1943 | ETH_ALEN, entry->key.term_mac.eth_dst_mask)) | |
1944 | return -EMSGSIZE; | |
9b03c71f JP |
1945 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
1946 | entry->key.term_mac.vlan_id)) | |
9f6bbf7c | 1947 | return -EMSGSIZE; |
9b03c71f JP |
1948 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
1949 | entry->key.term_mac.vlan_id_mask)) | |
9f6bbf7c SF |
1950 | return -EMSGSIZE; |
1951 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1952 | entry->key.term_mac.goto_tbl)) | |
1953 | return -EMSGSIZE; | |
1954 | if (entry->key.term_mac.copy_to_cpu && | |
1955 | rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_COPY_CPU_ACTION, | |
1956 | entry->key.term_mac.copy_to_cpu)) | |
1957 | return -EMSGSIZE; | |
1958 | ||
1959 | return 0; | |
1960 | } | |
1961 | ||
1962 | static int | |
1963 | rocker_cmd_flow_tbl_add_ucast_routing(struct rocker_desc_info *desc_info, | |
e5054643 | 1964 | const struct rocker_flow_tbl_entry *entry) |
9f6bbf7c | 1965 | { |
9b03c71f JP |
1966 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
1967 | entry->key.ucast_routing.eth_type)) | |
9f6bbf7c | 1968 | return -EMSGSIZE; |
9b03c71f JP |
1969 | if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP, |
1970 | entry->key.ucast_routing.dst4)) | |
9f6bbf7c | 1971 | return -EMSGSIZE; |
9b03c71f JP |
1972 | if (rocker_tlv_put_be32(desc_info, ROCKER_TLV_OF_DPA_DST_IP_MASK, |
1973 | entry->key.ucast_routing.dst4_mask)) | |
9f6bbf7c SF |
1974 | return -EMSGSIZE; |
1975 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
1976 | entry->key.ucast_routing.goto_tbl)) | |
1977 | return -EMSGSIZE; | |
1978 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
1979 | entry->key.ucast_routing.group_id)) | |
1980 | return -EMSGSIZE; | |
1981 | ||
1982 | return 0; | |
1983 | } | |
1984 | ||
e5054643 SH |
1985 | static int |
1986 | rocker_cmd_flow_tbl_add_bridge(struct rocker_desc_info *desc_info, | |
1987 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c SF |
1988 | { |
1989 | if (entry->key.bridge.has_eth_dst && | |
1990 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
1991 | ETH_ALEN, entry->key.bridge.eth_dst)) | |
1992 | return -EMSGSIZE; | |
1993 | if (entry->key.bridge.has_eth_dst_mask && | |
1994 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
1995 | ETH_ALEN, entry->key.bridge.eth_dst_mask)) | |
1996 | return -EMSGSIZE; | |
1997 | if (entry->key.bridge.vlan_id && | |
9b03c71f JP |
1998 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
1999 | entry->key.bridge.vlan_id)) | |
9f6bbf7c SF |
2000 | return -EMSGSIZE; |
2001 | if (entry->key.bridge.tunnel_id && | |
2002 | rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_TUNNEL_ID, | |
2003 | entry->key.bridge.tunnel_id)) | |
2004 | return -EMSGSIZE; | |
2005 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID, | |
2006 | entry->key.bridge.goto_tbl)) | |
2007 | return -EMSGSIZE; | |
2008 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2009 | entry->key.bridge.group_id)) | |
2010 | return -EMSGSIZE; | |
2011 | if (entry->key.bridge.copy_to_cpu && | |
2012 | rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_COPY_CPU_ACTION, | |
2013 | entry->key.bridge.copy_to_cpu)) | |
2014 | return -EMSGSIZE; | |
2015 | ||
2016 | return 0; | |
2017 | } | |
2018 | ||
e5054643 SH |
2019 | static int |
2020 | rocker_cmd_flow_tbl_add_acl(struct rocker_desc_info *desc_info, | |
2021 | const struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 2022 | { |
4a6bb6d3 SF |
2023 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT, |
2024 | entry->key.acl.in_pport)) | |
9f6bbf7c | 2025 | return -EMSGSIZE; |
4a6bb6d3 SF |
2026 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_IN_PPORT_MASK, |
2027 | entry->key.acl.in_pport_mask)) | |
9f6bbf7c SF |
2028 | return -EMSGSIZE; |
2029 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2030 | ETH_ALEN, entry->key.acl.eth_src)) | |
2031 | return -EMSGSIZE; | |
2032 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC_MASK, | |
2033 | ETH_ALEN, entry->key.acl.eth_src_mask)) | |
2034 | return -EMSGSIZE; | |
2035 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2036 | ETH_ALEN, entry->key.acl.eth_dst)) | |
2037 | return -EMSGSIZE; | |
2038 | if (rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC_MASK, | |
2039 | ETH_ALEN, entry->key.acl.eth_dst_mask)) | |
2040 | return -EMSGSIZE; | |
9b03c71f JP |
2041 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_ETHERTYPE, |
2042 | entry->key.acl.eth_type)) | |
9f6bbf7c | 2043 | return -EMSGSIZE; |
9b03c71f JP |
2044 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2045 | entry->key.acl.vlan_id)) | |
9f6bbf7c | 2046 | return -EMSGSIZE; |
9b03c71f JP |
2047 | if (rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID_MASK, |
2048 | entry->key.acl.vlan_id_mask)) | |
9f6bbf7c SF |
2049 | return -EMSGSIZE; |
2050 | ||
2051 | switch (ntohs(entry->key.acl.eth_type)) { | |
2052 | case ETH_P_IP: | |
2053 | case ETH_P_IPV6: | |
2054 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_PROTO, | |
2055 | entry->key.acl.ip_proto)) | |
2056 | return -EMSGSIZE; | |
2057 | if (rocker_tlv_put_u8(desc_info, | |
2058 | ROCKER_TLV_OF_DPA_IP_PROTO_MASK, | |
2059 | entry->key.acl.ip_proto_mask)) | |
2060 | return -EMSGSIZE; | |
2061 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_DSCP, | |
2062 | entry->key.acl.ip_tos & 0x3f)) | |
2063 | return -EMSGSIZE; | |
2064 | if (rocker_tlv_put_u8(desc_info, | |
2065 | ROCKER_TLV_OF_DPA_IP_DSCP_MASK, | |
2066 | entry->key.acl.ip_tos_mask & 0x3f)) | |
2067 | return -EMSGSIZE; | |
2068 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_IP_ECN, | |
2069 | (entry->key.acl.ip_tos & 0xc0) >> 6)) | |
2070 | return -EMSGSIZE; | |
2071 | if (rocker_tlv_put_u8(desc_info, | |
2072 | ROCKER_TLV_OF_DPA_IP_ECN_MASK, | |
2073 | (entry->key.acl.ip_tos_mask & 0xc0) >> 6)) | |
2074 | return -EMSGSIZE; | |
2075 | break; | |
2076 | } | |
2077 | ||
2078 | if (entry->key.acl.group_id != ROCKER_GROUP_NONE && | |
2079 | rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2080 | entry->key.acl.group_id)) | |
2081 | return -EMSGSIZE; | |
2082 | ||
2083 | return 0; | |
2084 | } | |
2085 | ||
534ba6a8 | 2086 | static int rocker_cmd_flow_tbl_add(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2087 | struct rocker_desc_info *desc_info, |
2088 | void *priv) | |
2089 | { | |
e5054643 | 2090 | const struct rocker_flow_tbl_entry *entry = priv; |
9f6bbf7c SF |
2091 | struct rocker_tlv *cmd_info; |
2092 | int err = 0; | |
2093 | ||
c1beeef7 | 2094 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) |
9f6bbf7c SF |
2095 | return -EMSGSIZE; |
2096 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2097 | if (!cmd_info) | |
2098 | return -EMSGSIZE; | |
2099 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_TABLE_ID, | |
2100 | entry->key.tbl_id)) | |
2101 | return -EMSGSIZE; | |
2102 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_PRIORITY, | |
2103 | entry->key.priority)) | |
2104 | return -EMSGSIZE; | |
2105 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_HARDTIME, 0)) | |
2106 | return -EMSGSIZE; | |
2107 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_OF_DPA_COOKIE, | |
2108 | entry->cookie)) | |
2109 | return -EMSGSIZE; | |
2110 | ||
2111 | switch (entry->key.tbl_id) { | |
2112 | case ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT: | |
2113 | err = rocker_cmd_flow_tbl_add_ig_port(desc_info, entry); | |
2114 | break; | |
2115 | case ROCKER_OF_DPA_TABLE_ID_VLAN: | |
2116 | err = rocker_cmd_flow_tbl_add_vlan(desc_info, entry); | |
2117 | break; | |
2118 | case ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC: | |
2119 | err = rocker_cmd_flow_tbl_add_term_mac(desc_info, entry); | |
2120 | break; | |
2121 | case ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING: | |
2122 | err = rocker_cmd_flow_tbl_add_ucast_routing(desc_info, entry); | |
2123 | break; | |
2124 | case ROCKER_OF_DPA_TABLE_ID_BRIDGING: | |
2125 | err = rocker_cmd_flow_tbl_add_bridge(desc_info, entry); | |
2126 | break; | |
2127 | case ROCKER_OF_DPA_TABLE_ID_ACL_POLICY: | |
2128 | err = rocker_cmd_flow_tbl_add_acl(desc_info, entry); | |
2129 | break; | |
2130 | default: | |
2131 | err = -ENOTSUPP; | |
2132 | break; | |
2133 | } | |
2134 | ||
2135 | if (err) | |
2136 | return err; | |
2137 | ||
2138 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2139 | ||
2140 | return 0; | |
2141 | } | |
2142 | ||
534ba6a8 | 2143 | static int rocker_cmd_flow_tbl_del(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2144 | struct rocker_desc_info *desc_info, |
2145 | void *priv) | |
2146 | { | |
2147 | const struct rocker_flow_tbl_entry *entry = priv; | |
2148 | struct rocker_tlv *cmd_info; | |
2149 | ||
c1beeef7 | 2150 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) |
9f6bbf7c SF |
2151 | return -EMSGSIZE; |
2152 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2153 | if (!cmd_info) | |
2154 | return -EMSGSIZE; | |
2155 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_OF_DPA_COOKIE, | |
2156 | entry->cookie)) | |
2157 | return -EMSGSIZE; | |
2158 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2159 | ||
2160 | return 0; | |
2161 | } | |
2162 | ||
2163 | static int | |
2164 | rocker_cmd_group_tbl_add_l2_interface(struct rocker_desc_info *desc_info, | |
2165 | struct rocker_group_tbl_entry *entry) | |
2166 | { | |
4a6bb6d3 | 2167 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_OUT_PPORT, |
9f6bbf7c SF |
2168 | ROCKER_GROUP_PORT_GET(entry->group_id))) |
2169 | return -EMSGSIZE; | |
2170 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_POP_VLAN, | |
2171 | entry->l2_interface.pop_vlan)) | |
2172 | return -EMSGSIZE; | |
2173 | ||
2174 | return 0; | |
2175 | } | |
2176 | ||
2177 | static int | |
2178 | rocker_cmd_group_tbl_add_l2_rewrite(struct rocker_desc_info *desc_info, | |
e5054643 | 2179 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2180 | { |
2181 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER, | |
2182 | entry->l2_rewrite.group_id)) | |
2183 | return -EMSGSIZE; | |
2184 | if (!is_zero_ether_addr(entry->l2_rewrite.eth_src) && | |
2185 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2186 | ETH_ALEN, entry->l2_rewrite.eth_src)) | |
2187 | return -EMSGSIZE; | |
2188 | if (!is_zero_ether_addr(entry->l2_rewrite.eth_dst) && | |
2189 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2190 | ETH_ALEN, entry->l2_rewrite.eth_dst)) | |
2191 | return -EMSGSIZE; | |
2192 | if (entry->l2_rewrite.vlan_id && | |
9b03c71f JP |
2193 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2194 | entry->l2_rewrite.vlan_id)) | |
9f6bbf7c SF |
2195 | return -EMSGSIZE; |
2196 | ||
2197 | return 0; | |
2198 | } | |
2199 | ||
2200 | static int | |
2201 | rocker_cmd_group_tbl_add_group_ids(struct rocker_desc_info *desc_info, | |
e5054643 | 2202 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2203 | { |
2204 | int i; | |
2205 | struct rocker_tlv *group_ids; | |
2206 | ||
2207 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_OF_DPA_GROUP_COUNT, | |
2208 | entry->group_count)) | |
2209 | return -EMSGSIZE; | |
2210 | ||
2211 | group_ids = rocker_tlv_nest_start(desc_info, | |
2212 | ROCKER_TLV_OF_DPA_GROUP_IDS); | |
2213 | if (!group_ids) | |
2214 | return -EMSGSIZE; | |
2215 | ||
2216 | for (i = 0; i < entry->group_count; i++) | |
2217 | /* Note TLV array is 1-based */ | |
2218 | if (rocker_tlv_put_u32(desc_info, i + 1, entry->group_ids[i])) | |
2219 | return -EMSGSIZE; | |
2220 | ||
2221 | rocker_tlv_nest_end(desc_info, group_ids); | |
2222 | ||
2223 | return 0; | |
2224 | } | |
2225 | ||
2226 | static int | |
2227 | rocker_cmd_group_tbl_add_l3_unicast(struct rocker_desc_info *desc_info, | |
e5054643 | 2228 | const struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2229 | { |
2230 | if (!is_zero_ether_addr(entry->l3_unicast.eth_src) && | |
2231 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_SRC_MAC, | |
2232 | ETH_ALEN, entry->l3_unicast.eth_src)) | |
2233 | return -EMSGSIZE; | |
2234 | if (!is_zero_ether_addr(entry->l3_unicast.eth_dst) && | |
2235 | rocker_tlv_put(desc_info, ROCKER_TLV_OF_DPA_DST_MAC, | |
2236 | ETH_ALEN, entry->l3_unicast.eth_dst)) | |
2237 | return -EMSGSIZE; | |
2238 | if (entry->l3_unicast.vlan_id && | |
9b03c71f JP |
2239 | rocker_tlv_put_be16(desc_info, ROCKER_TLV_OF_DPA_VLAN_ID, |
2240 | entry->l3_unicast.vlan_id)) | |
9f6bbf7c SF |
2241 | return -EMSGSIZE; |
2242 | if (rocker_tlv_put_u8(desc_info, ROCKER_TLV_OF_DPA_TTL_CHECK, | |
2243 | entry->l3_unicast.ttl_check)) | |
2244 | return -EMSGSIZE; | |
2245 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER, | |
2246 | entry->l3_unicast.group_id)) | |
2247 | return -EMSGSIZE; | |
2248 | ||
2249 | return 0; | |
2250 | } | |
2251 | ||
534ba6a8 | 2252 | static int rocker_cmd_group_tbl_add(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2253 | struct rocker_desc_info *desc_info, |
2254 | void *priv) | |
2255 | { | |
2256 | struct rocker_group_tbl_entry *entry = priv; | |
2257 | struct rocker_tlv *cmd_info; | |
2258 | int err = 0; | |
2259 | ||
2260 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) | |
2261 | return -EMSGSIZE; | |
2262 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2263 | if (!cmd_info) | |
2264 | return -EMSGSIZE; | |
2265 | ||
2266 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2267 | entry->group_id)) | |
2268 | return -EMSGSIZE; | |
2269 | ||
2270 | switch (ROCKER_GROUP_TYPE_GET(entry->group_id)) { | |
2271 | case ROCKER_OF_DPA_GROUP_TYPE_L2_INTERFACE: | |
2272 | err = rocker_cmd_group_tbl_add_l2_interface(desc_info, entry); | |
2273 | break; | |
2274 | case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE: | |
2275 | err = rocker_cmd_group_tbl_add_l2_rewrite(desc_info, entry); | |
2276 | break; | |
2277 | case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: | |
2278 | case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: | |
2279 | err = rocker_cmd_group_tbl_add_group_ids(desc_info, entry); | |
2280 | break; | |
2281 | case ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST: | |
2282 | err = rocker_cmd_group_tbl_add_l3_unicast(desc_info, entry); | |
2283 | break; | |
2284 | default: | |
2285 | err = -ENOTSUPP; | |
2286 | break; | |
2287 | } | |
2288 | ||
2289 | if (err) | |
2290 | return err; | |
2291 | ||
2292 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2293 | ||
2294 | return 0; | |
2295 | } | |
2296 | ||
534ba6a8 | 2297 | static int rocker_cmd_group_tbl_del(const struct rocker_port *rocker_port, |
9f6bbf7c SF |
2298 | struct rocker_desc_info *desc_info, |
2299 | void *priv) | |
2300 | { | |
2301 | const struct rocker_group_tbl_entry *entry = priv; | |
2302 | struct rocker_tlv *cmd_info; | |
2303 | ||
2304 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, entry->cmd)) | |
2305 | return -EMSGSIZE; | |
2306 | cmd_info = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
2307 | if (!cmd_info) | |
2308 | return -EMSGSIZE; | |
2309 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_OF_DPA_GROUP_ID, | |
2310 | entry->group_id)) | |
2311 | return -EMSGSIZE; | |
2312 | rocker_tlv_nest_end(desc_info, cmd_info); | |
2313 | ||
2314 | return 0; | |
2315 | } | |
2316 | ||
c1beeef7 SF |
2317 | /*************************************************** |
2318 | * Flow, group, FDB, internal VLAN and neigh tables | |
2319 | ***************************************************/ | |
9f6bbf7c SF |
2320 | |
2321 | static int rocker_init_tbls(struct rocker *rocker) | |
2322 | { | |
2323 | hash_init(rocker->flow_tbl); | |
2324 | spin_lock_init(&rocker->flow_tbl_lock); | |
2325 | ||
2326 | hash_init(rocker->group_tbl); | |
2327 | spin_lock_init(&rocker->group_tbl_lock); | |
2328 | ||
2329 | hash_init(rocker->fdb_tbl); | |
2330 | spin_lock_init(&rocker->fdb_tbl_lock); | |
2331 | ||
2332 | hash_init(rocker->internal_vlan_tbl); | |
2333 | spin_lock_init(&rocker->internal_vlan_tbl_lock); | |
2334 | ||
c1beeef7 SF |
2335 | hash_init(rocker->neigh_tbl); |
2336 | spin_lock_init(&rocker->neigh_tbl_lock); | |
2337 | ||
9f6bbf7c SF |
2338 | return 0; |
2339 | } | |
2340 | ||
2341 | static void rocker_free_tbls(struct rocker *rocker) | |
2342 | { | |
2343 | unsigned long flags; | |
2344 | struct rocker_flow_tbl_entry *flow_entry; | |
2345 | struct rocker_group_tbl_entry *group_entry; | |
2346 | struct rocker_fdb_tbl_entry *fdb_entry; | |
2347 | struct rocker_internal_vlan_tbl_entry *internal_vlan_entry; | |
c1beeef7 | 2348 | struct rocker_neigh_tbl_entry *neigh_entry; |
9f6bbf7c SF |
2349 | struct hlist_node *tmp; |
2350 | int bkt; | |
2351 | ||
2352 | spin_lock_irqsave(&rocker->flow_tbl_lock, flags); | |
2353 | hash_for_each_safe(rocker->flow_tbl, bkt, tmp, flow_entry, entry) | |
2354 | hash_del(&flow_entry->entry); | |
2355 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, flags); | |
2356 | ||
2357 | spin_lock_irqsave(&rocker->group_tbl_lock, flags); | |
2358 | hash_for_each_safe(rocker->group_tbl, bkt, tmp, group_entry, entry) | |
2359 | hash_del(&group_entry->entry); | |
2360 | spin_unlock_irqrestore(&rocker->group_tbl_lock, flags); | |
2361 | ||
2362 | spin_lock_irqsave(&rocker->fdb_tbl_lock, flags); | |
2363 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, fdb_entry, entry) | |
2364 | hash_del(&fdb_entry->entry); | |
2365 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, flags); | |
2366 | ||
2367 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, flags); | |
2368 | hash_for_each_safe(rocker->internal_vlan_tbl, bkt, | |
2369 | tmp, internal_vlan_entry, entry) | |
2370 | hash_del(&internal_vlan_entry->entry); | |
2371 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, flags); | |
c1beeef7 SF |
2372 | |
2373 | spin_lock_irqsave(&rocker->neigh_tbl_lock, flags); | |
2374 | hash_for_each_safe(rocker->neigh_tbl, bkt, tmp, neigh_entry, entry) | |
2375 | hash_del(&neigh_entry->entry); | |
2376 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, flags); | |
9f6bbf7c SF |
2377 | } |
2378 | ||
2379 | static struct rocker_flow_tbl_entry * | |
e5054643 SH |
2380 | rocker_flow_tbl_find(const struct rocker *rocker, |
2381 | const struct rocker_flow_tbl_entry *match) | |
9f6bbf7c SF |
2382 | { |
2383 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2384 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
9f6bbf7c SF |
2385 | |
2386 | hash_for_each_possible(rocker->flow_tbl, found, | |
2387 | entry, match->key_crc32) { | |
c1beeef7 | 2388 | if (memcmp(&found->key, &match->key, key_len) == 0) |
9f6bbf7c SF |
2389 | return found; |
2390 | } | |
2391 | ||
2392 | return NULL; | |
2393 | } | |
2394 | ||
2395 | static int rocker_flow_tbl_add(struct rocker_port *rocker_port, | |
179f9a25 | 2396 | enum switchdev_trans trans, int flags, |
c4f20321 | 2397 | struct rocker_flow_tbl_entry *match) |
9f6bbf7c SF |
2398 | { |
2399 | struct rocker *rocker = rocker_port->rocker; | |
2400 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2401 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
179f9a25 | 2402 | unsigned long lock_flags; |
9f6bbf7c | 2403 | |
c1beeef7 | 2404 | match->key_crc32 = crc32(~0, &match->key, key_len); |
9f6bbf7c | 2405 | |
179f9a25 | 2406 | spin_lock_irqsave(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c SF |
2407 | |
2408 | found = rocker_flow_tbl_find(rocker, match); | |
2409 | ||
2410 | if (found) { | |
c1beeef7 | 2411 | match->cookie = found->cookie; |
c4f20321 SF |
2412 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2413 | hash_del(&found->entry); | |
0985df73 | 2414 | rocker_port_kfree(trans, found); |
c1beeef7 SF |
2415 | found = match; |
2416 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_MOD; | |
9f6bbf7c SF |
2417 | } else { |
2418 | found = match; | |
2419 | found->cookie = rocker->flow_tbl_next_cookie++; | |
c1beeef7 | 2420 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_ADD; |
9f6bbf7c SF |
2421 | } |
2422 | ||
c4f20321 SF |
2423 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2424 | hash_add(rocker->flow_tbl, &found->entry, found->key_crc32); | |
9f6bbf7c | 2425 | |
179f9a25 | 2426 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c | 2427 | |
179f9a25 SF |
2428 | return rocker_cmd_exec(rocker_port, trans, flags, |
2429 | rocker_cmd_flow_tbl_add, found, NULL, NULL); | |
9f6bbf7c SF |
2430 | } |
2431 | ||
2432 | static int rocker_flow_tbl_del(struct rocker_port *rocker_port, | |
179f9a25 | 2433 | enum switchdev_trans trans, int flags, |
c4f20321 | 2434 | struct rocker_flow_tbl_entry *match) |
9f6bbf7c SF |
2435 | { |
2436 | struct rocker *rocker = rocker_port->rocker; | |
2437 | struct rocker_flow_tbl_entry *found; | |
c1beeef7 | 2438 | size_t key_len = match->key_len ? match->key_len : sizeof(found->key); |
179f9a25 | 2439 | unsigned long lock_flags; |
9f6bbf7c SF |
2440 | int err = 0; |
2441 | ||
c1beeef7 | 2442 | match->key_crc32 = crc32(~0, &match->key, key_len); |
9f6bbf7c | 2443 | |
179f9a25 | 2444 | spin_lock_irqsave(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c SF |
2445 | |
2446 | found = rocker_flow_tbl_find(rocker, match); | |
2447 | ||
2448 | if (found) { | |
c4f20321 SF |
2449 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2450 | hash_del(&found->entry); | |
c1beeef7 | 2451 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_DEL; |
9f6bbf7c SF |
2452 | } |
2453 | ||
179f9a25 | 2454 | spin_unlock_irqrestore(&rocker->flow_tbl_lock, lock_flags); |
9f6bbf7c | 2455 | |
0985df73 | 2456 | rocker_port_kfree(trans, match); |
9f6bbf7c | 2457 | |
c1beeef7 | 2458 | if (found) { |
179f9a25 | 2459 | err = rocker_cmd_exec(rocker_port, trans, flags, |
9f6bbf7c | 2460 | rocker_cmd_flow_tbl_del, |
c4f20321 | 2461 | found, NULL, NULL); |
0985df73 | 2462 | rocker_port_kfree(trans, found); |
9f6bbf7c SF |
2463 | } |
2464 | ||
2465 | return err; | |
2466 | } | |
2467 | ||
9f6bbf7c | 2468 | static int rocker_flow_tbl_do(struct rocker_port *rocker_port, |
c4f20321 SF |
2469 | enum switchdev_trans trans, int flags, |
2470 | struct rocker_flow_tbl_entry *entry) | |
9f6bbf7c | 2471 | { |
9f6bbf7c | 2472 | if (flags & ROCKER_OP_FLAG_REMOVE) |
179f9a25 | 2473 | return rocker_flow_tbl_del(rocker_port, trans, flags, entry); |
9f6bbf7c | 2474 | else |
179f9a25 | 2475 | return rocker_flow_tbl_add(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2476 | } |
2477 | ||
2478 | static int rocker_flow_tbl_ig_port(struct rocker_port *rocker_port, | |
c4f20321 SF |
2479 | enum switchdev_trans trans, int flags, |
2480 | u32 in_pport, u32 in_pport_mask, | |
9f6bbf7c SF |
2481 | enum rocker_of_dpa_table_id goto_tbl) |
2482 | { | |
2483 | struct rocker_flow_tbl_entry *entry; | |
2484 | ||
179f9a25 | 2485 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2486 | if (!entry) |
2487 | return -ENOMEM; | |
2488 | ||
2489 | entry->key.priority = ROCKER_PRIORITY_IG_PORT; | |
2490 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT; | |
4a6bb6d3 SF |
2491 | entry->key.ig_port.in_pport = in_pport; |
2492 | entry->key.ig_port.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2493 | entry->key.ig_port.goto_tbl = goto_tbl; |
2494 | ||
c4f20321 | 2495 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2496 | } |
2497 | ||
2498 | static int rocker_flow_tbl_vlan(struct rocker_port *rocker_port, | |
c4f20321 SF |
2499 | enum switchdev_trans trans, int flags, |
2500 | u32 in_pport, __be16 vlan_id, | |
2501 | __be16 vlan_id_mask, | |
9f6bbf7c SF |
2502 | enum rocker_of_dpa_table_id goto_tbl, |
2503 | bool untagged, __be16 new_vlan_id) | |
2504 | { | |
2505 | struct rocker_flow_tbl_entry *entry; | |
2506 | ||
179f9a25 | 2507 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2508 | if (!entry) |
2509 | return -ENOMEM; | |
2510 | ||
2511 | entry->key.priority = ROCKER_PRIORITY_VLAN; | |
2512 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_VLAN; | |
4a6bb6d3 | 2513 | entry->key.vlan.in_pport = in_pport; |
9f6bbf7c SF |
2514 | entry->key.vlan.vlan_id = vlan_id; |
2515 | entry->key.vlan.vlan_id_mask = vlan_id_mask; | |
2516 | entry->key.vlan.goto_tbl = goto_tbl; | |
2517 | ||
2518 | entry->key.vlan.untagged = untagged; | |
2519 | entry->key.vlan.new_vlan_id = new_vlan_id; | |
2520 | ||
c4f20321 | 2521 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2522 | } |
2523 | ||
2524 | static int rocker_flow_tbl_term_mac(struct rocker_port *rocker_port, | |
c4f20321 | 2525 | enum switchdev_trans trans, |
4a6bb6d3 | 2526 | u32 in_pport, u32 in_pport_mask, |
9f6bbf7c SF |
2527 | __be16 eth_type, const u8 *eth_dst, |
2528 | const u8 *eth_dst_mask, __be16 vlan_id, | |
2529 | __be16 vlan_id_mask, bool copy_to_cpu, | |
2530 | int flags) | |
2531 | { | |
2532 | struct rocker_flow_tbl_entry *entry; | |
2533 | ||
179f9a25 | 2534 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2535 | if (!entry) |
2536 | return -ENOMEM; | |
2537 | ||
2538 | if (is_multicast_ether_addr(eth_dst)) { | |
2539 | entry->key.priority = ROCKER_PRIORITY_TERM_MAC_MCAST; | |
2540 | entry->key.term_mac.goto_tbl = | |
2541 | ROCKER_OF_DPA_TABLE_ID_MULTICAST_ROUTING; | |
2542 | } else { | |
2543 | entry->key.priority = ROCKER_PRIORITY_TERM_MAC_UCAST; | |
2544 | entry->key.term_mac.goto_tbl = | |
2545 | ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; | |
2546 | } | |
2547 | ||
2548 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; | |
4a6bb6d3 SF |
2549 | entry->key.term_mac.in_pport = in_pport; |
2550 | entry->key.term_mac.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2551 | entry->key.term_mac.eth_type = eth_type; |
2552 | ether_addr_copy(entry->key.term_mac.eth_dst, eth_dst); | |
2553 | ether_addr_copy(entry->key.term_mac.eth_dst_mask, eth_dst_mask); | |
2554 | entry->key.term_mac.vlan_id = vlan_id; | |
2555 | entry->key.term_mac.vlan_id_mask = vlan_id_mask; | |
2556 | entry->key.term_mac.copy_to_cpu = copy_to_cpu; | |
2557 | ||
c4f20321 | 2558 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2559 | } |
2560 | ||
2561 | static int rocker_flow_tbl_bridge(struct rocker_port *rocker_port, | |
c4f20321 | 2562 | enum switchdev_trans trans, int flags, |
9f6bbf7c SF |
2563 | const u8 *eth_dst, const u8 *eth_dst_mask, |
2564 | __be16 vlan_id, u32 tunnel_id, | |
2565 | enum rocker_of_dpa_table_id goto_tbl, | |
2566 | u32 group_id, bool copy_to_cpu) | |
2567 | { | |
2568 | struct rocker_flow_tbl_entry *entry; | |
2569 | u32 priority; | |
2570 | bool vlan_bridging = !!vlan_id; | |
2571 | bool dflt = !eth_dst || (eth_dst && eth_dst_mask); | |
2572 | bool wild = false; | |
2573 | ||
179f9a25 | 2574 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2575 | if (!entry) |
2576 | return -ENOMEM; | |
2577 | ||
2578 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_BRIDGING; | |
2579 | ||
2580 | if (eth_dst) { | |
2581 | entry->key.bridge.has_eth_dst = 1; | |
2582 | ether_addr_copy(entry->key.bridge.eth_dst, eth_dst); | |
2583 | } | |
2584 | if (eth_dst_mask) { | |
2585 | entry->key.bridge.has_eth_dst_mask = 1; | |
2586 | ether_addr_copy(entry->key.bridge.eth_dst_mask, eth_dst_mask); | |
629161f6 | 2587 | if (!ether_addr_equal(eth_dst_mask, ff_mac)) |
9f6bbf7c SF |
2588 | wild = true; |
2589 | } | |
2590 | ||
2591 | priority = ROCKER_PRIORITY_UNKNOWN; | |
51ace887 | 2592 | if (vlan_bridging && dflt && wild) |
9f6bbf7c | 2593 | priority = ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_WILD; |
51ace887 | 2594 | else if (vlan_bridging && dflt && !wild) |
9f6bbf7c | 2595 | priority = ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_EXACT; |
51ace887 | 2596 | else if (vlan_bridging && !dflt) |
9f6bbf7c | 2597 | priority = ROCKER_PRIORITY_BRIDGING_VLAN; |
51ace887 | 2598 | else if (!vlan_bridging && dflt && wild) |
9f6bbf7c | 2599 | priority = ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_WILD; |
51ace887 | 2600 | else if (!vlan_bridging && dflt && !wild) |
9f6bbf7c | 2601 | priority = ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_EXACT; |
51ace887 | 2602 | else if (!vlan_bridging && !dflt) |
9f6bbf7c SF |
2603 | priority = ROCKER_PRIORITY_BRIDGING_TENANT; |
2604 | ||
2605 | entry->key.priority = priority; | |
2606 | entry->key.bridge.vlan_id = vlan_id; | |
2607 | entry->key.bridge.tunnel_id = tunnel_id; | |
2608 | entry->key.bridge.goto_tbl = goto_tbl; | |
2609 | entry->key.bridge.group_id = group_id; | |
2610 | entry->key.bridge.copy_to_cpu = copy_to_cpu; | |
2611 | ||
c4f20321 | 2612 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2613 | } |
2614 | ||
c1beeef7 | 2615 | static int rocker_flow_tbl_ucast4_routing(struct rocker_port *rocker_port, |
c4f20321 | 2616 | enum switchdev_trans trans, |
c1beeef7 SF |
2617 | __be16 eth_type, __be32 dst, |
2618 | __be32 dst_mask, u32 priority, | |
2619 | enum rocker_of_dpa_table_id goto_tbl, | |
2620 | u32 group_id, int flags) | |
2621 | { | |
2622 | struct rocker_flow_tbl_entry *entry; | |
2623 | ||
179f9a25 | 2624 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2625 | if (!entry) |
2626 | return -ENOMEM; | |
2627 | ||
2628 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING; | |
2629 | entry->key.priority = priority; | |
2630 | entry->key.ucast_routing.eth_type = eth_type; | |
2631 | entry->key.ucast_routing.dst4 = dst; | |
2632 | entry->key.ucast_routing.dst4_mask = dst_mask; | |
2633 | entry->key.ucast_routing.goto_tbl = goto_tbl; | |
2634 | entry->key.ucast_routing.group_id = group_id; | |
2635 | entry->key_len = offsetof(struct rocker_flow_tbl_key, | |
2636 | ucast_routing.group_id); | |
2637 | ||
c4f20321 | 2638 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
c1beeef7 SF |
2639 | } |
2640 | ||
9f6bbf7c | 2641 | static int rocker_flow_tbl_acl(struct rocker_port *rocker_port, |
c4f20321 SF |
2642 | enum switchdev_trans trans, int flags, |
2643 | u32 in_pport, u32 in_pport_mask, | |
9f6bbf7c SF |
2644 | const u8 *eth_src, const u8 *eth_src_mask, |
2645 | const u8 *eth_dst, const u8 *eth_dst_mask, | |
c4f20321 SF |
2646 | __be16 eth_type, __be16 vlan_id, |
2647 | __be16 vlan_id_mask, u8 ip_proto, | |
2648 | u8 ip_proto_mask, u8 ip_tos, u8 ip_tos_mask, | |
9f6bbf7c SF |
2649 | u32 group_id) |
2650 | { | |
2651 | u32 priority; | |
2652 | struct rocker_flow_tbl_entry *entry; | |
2653 | ||
179f9a25 | 2654 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2655 | if (!entry) |
2656 | return -ENOMEM; | |
2657 | ||
2658 | priority = ROCKER_PRIORITY_ACL_NORMAL; | |
2659 | if (eth_dst && eth_dst_mask) { | |
629161f6 | 2660 | if (ether_addr_equal(eth_dst_mask, mcast_mac)) |
9f6bbf7c SF |
2661 | priority = ROCKER_PRIORITY_ACL_DFLT; |
2662 | else if (is_link_local_ether_addr(eth_dst)) | |
2663 | priority = ROCKER_PRIORITY_ACL_CTRL; | |
2664 | } | |
2665 | ||
2666 | entry->key.priority = priority; | |
2667 | entry->key.tbl_id = ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
4a6bb6d3 SF |
2668 | entry->key.acl.in_pport = in_pport; |
2669 | entry->key.acl.in_pport_mask = in_pport_mask; | |
9f6bbf7c SF |
2670 | |
2671 | if (eth_src) | |
2672 | ether_addr_copy(entry->key.acl.eth_src, eth_src); | |
2673 | if (eth_src_mask) | |
2674 | ether_addr_copy(entry->key.acl.eth_src_mask, eth_src_mask); | |
2675 | if (eth_dst) | |
2676 | ether_addr_copy(entry->key.acl.eth_dst, eth_dst); | |
2677 | if (eth_dst_mask) | |
2678 | ether_addr_copy(entry->key.acl.eth_dst_mask, eth_dst_mask); | |
2679 | ||
2680 | entry->key.acl.eth_type = eth_type; | |
2681 | entry->key.acl.vlan_id = vlan_id; | |
2682 | entry->key.acl.vlan_id_mask = vlan_id_mask; | |
2683 | entry->key.acl.ip_proto = ip_proto; | |
2684 | entry->key.acl.ip_proto_mask = ip_proto_mask; | |
2685 | entry->key.acl.ip_tos = ip_tos; | |
2686 | entry->key.acl.ip_tos_mask = ip_tos_mask; | |
2687 | entry->key.acl.group_id = group_id; | |
2688 | ||
c4f20321 | 2689 | return rocker_flow_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2690 | } |
2691 | ||
2692 | static struct rocker_group_tbl_entry * | |
e5054643 SH |
2693 | rocker_group_tbl_find(const struct rocker *rocker, |
2694 | const struct rocker_group_tbl_entry *match) | |
9f6bbf7c SF |
2695 | { |
2696 | struct rocker_group_tbl_entry *found; | |
2697 | ||
2698 | hash_for_each_possible(rocker->group_tbl, found, | |
2699 | entry, match->group_id) { | |
2700 | if (found->group_id == match->group_id) | |
2701 | return found; | |
2702 | } | |
2703 | ||
2704 | return NULL; | |
2705 | } | |
2706 | ||
0985df73 | 2707 | static void rocker_group_tbl_entry_free(enum switchdev_trans trans, |
c4f20321 | 2708 | struct rocker_group_tbl_entry *entry) |
9f6bbf7c SF |
2709 | { |
2710 | switch (ROCKER_GROUP_TYPE_GET(entry->group_id)) { | |
2711 | case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD: | |
2712 | case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST: | |
0985df73 | 2713 | rocker_port_kfree(trans, entry->group_ids); |
9f6bbf7c SF |
2714 | break; |
2715 | default: | |
2716 | break; | |
2717 | } | |
0985df73 | 2718 | rocker_port_kfree(trans, entry); |
9f6bbf7c SF |
2719 | } |
2720 | ||
2721 | static int rocker_group_tbl_add(struct rocker_port *rocker_port, | |
179f9a25 | 2722 | enum switchdev_trans trans, int flags, |
c4f20321 | 2723 | struct rocker_group_tbl_entry *match) |
9f6bbf7c SF |
2724 | { |
2725 | struct rocker *rocker = rocker_port->rocker; | |
2726 | struct rocker_group_tbl_entry *found; | |
179f9a25 | 2727 | unsigned long lock_flags; |
9f6bbf7c | 2728 | |
179f9a25 | 2729 | spin_lock_irqsave(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c SF |
2730 | |
2731 | found = rocker_group_tbl_find(rocker, match); | |
2732 | ||
2733 | if (found) { | |
c4f20321 SF |
2734 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2735 | hash_del(&found->entry); | |
0985df73 | 2736 | rocker_group_tbl_entry_free(trans, found); |
9f6bbf7c SF |
2737 | found = match; |
2738 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_MOD; | |
2739 | } else { | |
2740 | found = match; | |
2741 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_ADD; | |
2742 | } | |
2743 | ||
c4f20321 SF |
2744 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2745 | hash_add(rocker->group_tbl, &found->entry, found->group_id); | |
9f6bbf7c | 2746 | |
179f9a25 | 2747 | spin_unlock_irqrestore(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c | 2748 | |
179f9a25 SF |
2749 | return rocker_cmd_exec(rocker_port, trans, flags, |
2750 | rocker_cmd_group_tbl_add, found, NULL, NULL); | |
9f6bbf7c SF |
2751 | } |
2752 | ||
2753 | static int rocker_group_tbl_del(struct rocker_port *rocker_port, | |
179f9a25 | 2754 | enum switchdev_trans trans, int flags, |
c4f20321 | 2755 | struct rocker_group_tbl_entry *match) |
9f6bbf7c SF |
2756 | { |
2757 | struct rocker *rocker = rocker_port->rocker; | |
2758 | struct rocker_group_tbl_entry *found; | |
179f9a25 | 2759 | unsigned long lock_flags; |
9f6bbf7c SF |
2760 | int err = 0; |
2761 | ||
179f9a25 | 2762 | spin_lock_irqsave(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c SF |
2763 | |
2764 | found = rocker_group_tbl_find(rocker, match); | |
2765 | ||
2766 | if (found) { | |
c4f20321 SF |
2767 | if (trans != SWITCHDEV_TRANS_PREPARE) |
2768 | hash_del(&found->entry); | |
9f6bbf7c SF |
2769 | found->cmd = ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_DEL; |
2770 | } | |
2771 | ||
179f9a25 | 2772 | spin_unlock_irqrestore(&rocker->group_tbl_lock, lock_flags); |
9f6bbf7c | 2773 | |
0985df73 | 2774 | rocker_group_tbl_entry_free(trans, match); |
9f6bbf7c SF |
2775 | |
2776 | if (found) { | |
179f9a25 | 2777 | err = rocker_cmd_exec(rocker_port, trans, flags, |
9f6bbf7c | 2778 | rocker_cmd_group_tbl_del, |
c4f20321 | 2779 | found, NULL, NULL); |
0985df73 | 2780 | rocker_group_tbl_entry_free(trans, found); |
9f6bbf7c SF |
2781 | } |
2782 | ||
2783 | return err; | |
2784 | } | |
2785 | ||
2786 | static int rocker_group_tbl_do(struct rocker_port *rocker_port, | |
c4f20321 SF |
2787 | enum switchdev_trans trans, int flags, |
2788 | struct rocker_group_tbl_entry *entry) | |
9f6bbf7c | 2789 | { |
9f6bbf7c | 2790 | if (flags & ROCKER_OP_FLAG_REMOVE) |
179f9a25 | 2791 | return rocker_group_tbl_del(rocker_port, trans, flags, entry); |
9f6bbf7c | 2792 | else |
179f9a25 | 2793 | return rocker_group_tbl_add(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2794 | } |
2795 | ||
2796 | static int rocker_group_l2_interface(struct rocker_port *rocker_port, | |
c4f20321 SF |
2797 | enum switchdev_trans trans, int flags, |
2798 | __be16 vlan_id, u32 out_pport, | |
2799 | int pop_vlan) | |
9f6bbf7c SF |
2800 | { |
2801 | struct rocker_group_tbl_entry *entry; | |
2802 | ||
179f9a25 | 2803 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2804 | if (!entry) |
2805 | return -ENOMEM; | |
2806 | ||
4a6bb6d3 | 2807 | entry->group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
9f6bbf7c SF |
2808 | entry->l2_interface.pop_vlan = pop_vlan; |
2809 | ||
c4f20321 | 2810 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2811 | } |
2812 | ||
2813 | static int rocker_group_l2_fan_out(struct rocker_port *rocker_port, | |
c4f20321 | 2814 | enum switchdev_trans trans, |
9f6bbf7c | 2815 | int flags, u8 group_count, |
e5054643 | 2816 | const u32 *group_ids, u32 group_id) |
9f6bbf7c SF |
2817 | { |
2818 | struct rocker_group_tbl_entry *entry; | |
2819 | ||
179f9a25 | 2820 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
9f6bbf7c SF |
2821 | if (!entry) |
2822 | return -ENOMEM; | |
2823 | ||
2824 | entry->group_id = group_id; | |
2825 | entry->group_count = group_count; | |
2826 | ||
179f9a25 SF |
2827 | entry->group_ids = rocker_port_kcalloc(rocker_port, trans, flags, |
2828 | group_count, sizeof(u32)); | |
9f6bbf7c | 2829 | if (!entry->group_ids) { |
0985df73 | 2830 | rocker_port_kfree(trans, entry); |
9f6bbf7c SF |
2831 | return -ENOMEM; |
2832 | } | |
2833 | memcpy(entry->group_ids, group_ids, group_count * sizeof(u32)); | |
2834 | ||
c4f20321 | 2835 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
9f6bbf7c SF |
2836 | } |
2837 | ||
2838 | static int rocker_group_l2_flood(struct rocker_port *rocker_port, | |
c4f20321 SF |
2839 | enum switchdev_trans trans, int flags, |
2840 | __be16 vlan_id, u8 group_count, | |
e5054643 | 2841 | const u32 *group_ids, u32 group_id) |
9f6bbf7c | 2842 | { |
c4f20321 | 2843 | return rocker_group_l2_fan_out(rocker_port, trans, flags, |
9f6bbf7c SF |
2844 | group_count, group_ids, |
2845 | group_id); | |
2846 | } | |
2847 | ||
c1beeef7 | 2848 | static int rocker_group_l3_unicast(struct rocker_port *rocker_port, |
c4f20321 | 2849 | enum switchdev_trans trans, int flags, |
e5054643 | 2850 | u32 index, const u8 *src_mac, const u8 *dst_mac, |
c4f20321 | 2851 | __be16 vlan_id, bool ttl_check, u32 pport) |
c1beeef7 SF |
2852 | { |
2853 | struct rocker_group_tbl_entry *entry; | |
2854 | ||
179f9a25 | 2855 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2856 | if (!entry) |
2857 | return -ENOMEM; | |
2858 | ||
2859 | entry->group_id = ROCKER_GROUP_L3_UNICAST(index); | |
2860 | if (src_mac) | |
2861 | ether_addr_copy(entry->l3_unicast.eth_src, src_mac); | |
2862 | if (dst_mac) | |
2863 | ether_addr_copy(entry->l3_unicast.eth_dst, dst_mac); | |
2864 | entry->l3_unicast.vlan_id = vlan_id; | |
2865 | entry->l3_unicast.ttl_check = ttl_check; | |
2866 | entry->l3_unicast.group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, pport); | |
2867 | ||
c4f20321 | 2868 | return rocker_group_tbl_do(rocker_port, trans, flags, entry); |
c1beeef7 SF |
2869 | } |
2870 | ||
2871 | static struct rocker_neigh_tbl_entry * | |
e5054643 | 2872 | rocker_neigh_tbl_find(const struct rocker *rocker, __be32 ip_addr) |
c1beeef7 SF |
2873 | { |
2874 | struct rocker_neigh_tbl_entry *found; | |
2875 | ||
0f43deba SF |
2876 | hash_for_each_possible(rocker->neigh_tbl, found, |
2877 | entry, be32_to_cpu(ip_addr)) | |
c1beeef7 SF |
2878 | if (found->ip_addr == ip_addr) |
2879 | return found; | |
2880 | ||
2881 | return NULL; | |
2882 | } | |
2883 | ||
2884 | static void _rocker_neigh_add(struct rocker *rocker, | |
550ecc92 | 2885 | enum switchdev_trans trans, |
c1beeef7 SF |
2886 | struct rocker_neigh_tbl_entry *entry) |
2887 | { | |
4d81db41 SF |
2888 | if (trans != SWITCHDEV_TRANS_COMMIT) |
2889 | entry->index = rocker->neigh_tbl_next_index++; | |
550ecc92 SH |
2890 | if (trans == SWITCHDEV_TRANS_PREPARE) |
2891 | return; | |
c1beeef7 | 2892 | entry->ref_count++; |
0f43deba SF |
2893 | hash_add(rocker->neigh_tbl, &entry->entry, |
2894 | be32_to_cpu(entry->ip_addr)); | |
c1beeef7 SF |
2895 | } |
2896 | ||
0985df73 | 2897 | static void _rocker_neigh_del(enum switchdev_trans trans, |
c1beeef7 SF |
2898 | struct rocker_neigh_tbl_entry *entry) |
2899 | { | |
550ecc92 SH |
2900 | if (trans == SWITCHDEV_TRANS_PREPARE) |
2901 | return; | |
c1beeef7 SF |
2902 | if (--entry->ref_count == 0) { |
2903 | hash_del(&entry->entry); | |
0985df73 | 2904 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
2905 | } |
2906 | } | |
2907 | ||
c4f20321 | 2908 | static void _rocker_neigh_update(struct rocker_neigh_tbl_entry *entry, |
550ecc92 | 2909 | enum switchdev_trans trans, |
e5054643 | 2910 | const u8 *eth_dst, bool ttl_check) |
c1beeef7 SF |
2911 | { |
2912 | if (eth_dst) { | |
2913 | ether_addr_copy(entry->eth_dst, eth_dst); | |
2914 | entry->ttl_check = ttl_check; | |
550ecc92 | 2915 | } else if (trans != SWITCHDEV_TRANS_PREPARE) { |
c1beeef7 SF |
2916 | entry->ref_count++; |
2917 | } | |
2918 | } | |
2919 | ||
2920 | static int rocker_port_ipv4_neigh(struct rocker_port *rocker_port, | |
c4f20321 | 2921 | enum switchdev_trans trans, |
e5054643 | 2922 | int flags, __be32 ip_addr, const u8 *eth_dst) |
c1beeef7 SF |
2923 | { |
2924 | struct rocker *rocker = rocker_port->rocker; | |
2925 | struct rocker_neigh_tbl_entry *entry; | |
2926 | struct rocker_neigh_tbl_entry *found; | |
2927 | unsigned long lock_flags; | |
2928 | __be16 eth_type = htons(ETH_P_IP); | |
2929 | enum rocker_of_dpa_table_id goto_tbl = | |
2930 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
2931 | u32 group_id; | |
2932 | u32 priority = 0; | |
2933 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
2934 | bool updating; | |
2935 | bool removing; | |
2936 | int err = 0; | |
2937 | ||
179f9a25 | 2938 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
2939 | if (!entry) |
2940 | return -ENOMEM; | |
2941 | ||
2942 | spin_lock_irqsave(&rocker->neigh_tbl_lock, lock_flags); | |
2943 | ||
2944 | found = rocker_neigh_tbl_find(rocker, ip_addr); | |
2945 | ||
2946 | updating = found && adding; | |
2947 | removing = found && !adding; | |
2948 | adding = !found && adding; | |
2949 | ||
2950 | if (adding) { | |
2951 | entry->ip_addr = ip_addr; | |
2952 | entry->dev = rocker_port->dev; | |
2953 | ether_addr_copy(entry->eth_dst, eth_dst); | |
2954 | entry->ttl_check = true; | |
550ecc92 | 2955 | _rocker_neigh_add(rocker, trans, entry); |
c1beeef7 SF |
2956 | } else if (removing) { |
2957 | memcpy(entry, found, sizeof(*entry)); | |
0985df73 | 2958 | _rocker_neigh_del(trans, found); |
c1beeef7 | 2959 | } else if (updating) { |
550ecc92 | 2960 | _rocker_neigh_update(found, trans, eth_dst, true); |
c1beeef7 SF |
2961 | memcpy(entry, found, sizeof(*entry)); |
2962 | } else { | |
2963 | err = -ENOENT; | |
2964 | } | |
2965 | ||
2966 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, lock_flags); | |
2967 | ||
2968 | if (err) | |
2969 | goto err_out; | |
2970 | ||
2971 | /* For each active neighbor, we have an L3 unicast group and | |
2972 | * a /32 route to the neighbor, which uses the L3 unicast | |
2973 | * group. The L3 unicast group can also be referred to by | |
2974 | * other routes' nexthops. | |
2975 | */ | |
2976 | ||
c4f20321 | 2977 | err = rocker_group_l3_unicast(rocker_port, trans, flags, |
c1beeef7 SF |
2978 | entry->index, |
2979 | rocker_port->dev->dev_addr, | |
2980 | entry->eth_dst, | |
2981 | rocker_port->internal_vlan_id, | |
2982 | entry->ttl_check, | |
2983 | rocker_port->pport); | |
2984 | if (err) { | |
2985 | netdev_err(rocker_port->dev, | |
2986 | "Error (%d) L3 unicast group index %d\n", | |
2987 | err, entry->index); | |
2988 | goto err_out; | |
2989 | } | |
2990 | ||
2991 | if (adding || removing) { | |
2992 | group_id = ROCKER_GROUP_L3_UNICAST(entry->index); | |
c4f20321 | 2993 | err = rocker_flow_tbl_ucast4_routing(rocker_port, trans, |
c1beeef7 SF |
2994 | eth_type, ip_addr, |
2995 | inet_make_mask(32), | |
2996 | priority, goto_tbl, | |
2997 | group_id, flags); | |
2998 | ||
2999 | if (err) | |
3000 | netdev_err(rocker_port->dev, | |
3001 | "Error (%d) /32 unicast route %pI4 group 0x%08x\n", | |
3002 | err, &entry->ip_addr, group_id); | |
3003 | } | |
3004 | ||
3005 | err_out: | |
3006 | if (!adding) | |
0985df73 | 3007 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
3008 | |
3009 | return err; | |
3010 | } | |
3011 | ||
3012 | static int rocker_port_ipv4_resolve(struct rocker_port *rocker_port, | |
c4f20321 | 3013 | enum switchdev_trans trans, __be32 ip_addr) |
c1beeef7 SF |
3014 | { |
3015 | struct net_device *dev = rocker_port->dev; | |
0f43deba | 3016 | struct neighbour *n = __ipv4_neigh_lookup(dev, (__force u32)ip_addr); |
c1beeef7 SF |
3017 | int err = 0; |
3018 | ||
4133fc09 | 3019 | if (!n) { |
c1beeef7 | 3020 | n = neigh_create(&arp_tbl, &ip_addr, dev); |
4133fc09 YX |
3021 | if (IS_ERR(n)) |
3022 | return IS_ERR(n); | |
3023 | } | |
c1beeef7 SF |
3024 | |
3025 | /* If the neigh is already resolved, then go ahead and | |
3026 | * install the entry, otherwise start the ARP process to | |
3027 | * resolve the neigh. | |
3028 | */ | |
3029 | ||
3030 | if (n->nud_state & NUD_VALID) | |
c4f20321 SF |
3031 | err = rocker_port_ipv4_neigh(rocker_port, trans, 0, |
3032 | ip_addr, n->ha); | |
c1beeef7 SF |
3033 | else |
3034 | neigh_event_send(n, NULL); | |
3035 | ||
4133fc09 | 3036 | neigh_release(n); |
c1beeef7 SF |
3037 | return err; |
3038 | } | |
3039 | ||
c4f20321 SF |
3040 | static int rocker_port_ipv4_nh(struct rocker_port *rocker_port, |
3041 | enum switchdev_trans trans, int flags, | |
c1beeef7 SF |
3042 | __be32 ip_addr, u32 *index) |
3043 | { | |
3044 | struct rocker *rocker = rocker_port->rocker; | |
3045 | struct rocker_neigh_tbl_entry *entry; | |
3046 | struct rocker_neigh_tbl_entry *found; | |
3047 | unsigned long lock_flags; | |
3048 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
3049 | bool updating; | |
3050 | bool removing; | |
3051 | bool resolved = true; | |
3052 | int err = 0; | |
3053 | ||
179f9a25 | 3054 | entry = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*entry)); |
c1beeef7 SF |
3055 | if (!entry) |
3056 | return -ENOMEM; | |
3057 | ||
3058 | spin_lock_irqsave(&rocker->neigh_tbl_lock, lock_flags); | |
3059 | ||
3060 | found = rocker_neigh_tbl_find(rocker, ip_addr); | |
3061 | if (found) | |
3062 | *index = found->index; | |
3063 | ||
3064 | updating = found && adding; | |
3065 | removing = found && !adding; | |
3066 | adding = !found && adding; | |
3067 | ||
3068 | if (adding) { | |
3069 | entry->ip_addr = ip_addr; | |
3070 | entry->dev = rocker_port->dev; | |
550ecc92 | 3071 | _rocker_neigh_add(rocker, trans, entry); |
c1beeef7 SF |
3072 | *index = entry->index; |
3073 | resolved = false; | |
3074 | } else if (removing) { | |
0985df73 | 3075 | _rocker_neigh_del(trans, found); |
c1beeef7 | 3076 | } else if (updating) { |
550ecc92 | 3077 | _rocker_neigh_update(found, trans, NULL, false); |
c1beeef7 SF |
3078 | resolved = !is_zero_ether_addr(found->eth_dst); |
3079 | } else { | |
3080 | err = -ENOENT; | |
3081 | } | |
3082 | ||
3083 | spin_unlock_irqrestore(&rocker->neigh_tbl_lock, lock_flags); | |
3084 | ||
3085 | if (!adding) | |
0985df73 | 3086 | rocker_port_kfree(trans, entry); |
c1beeef7 SF |
3087 | |
3088 | if (err) | |
3089 | return err; | |
3090 | ||
3091 | /* Resolved means neigh ip_addr is resolved to neigh mac. */ | |
3092 | ||
3093 | if (!resolved) | |
c4f20321 | 3094 | err = rocker_port_ipv4_resolve(rocker_port, trans, ip_addr); |
c1beeef7 SF |
3095 | |
3096 | return err; | |
3097 | } | |
3098 | ||
6c707945 | 3099 | static int rocker_port_vlan_flood_group(struct rocker_port *rocker_port, |
c4f20321 | 3100 | enum switchdev_trans trans, |
6c707945 SF |
3101 | int flags, __be16 vlan_id) |
3102 | { | |
3103 | struct rocker_port *p; | |
e5054643 | 3104 | const struct rocker *rocker = rocker_port->rocker; |
6c707945 | 3105 | u32 group_id = ROCKER_GROUP_L2_FLOOD(vlan_id, 0); |
04f49faf | 3106 | u32 *group_ids; |
6c707945 | 3107 | u8 group_count = 0; |
04f49faf | 3108 | int err = 0; |
6c707945 SF |
3109 | int i; |
3110 | ||
179f9a25 SF |
3111 | group_ids = rocker_port_kcalloc(rocker_port, trans, flags, |
3112 | rocker->port_count, sizeof(u32)); | |
04f49faf SF |
3113 | if (!group_ids) |
3114 | return -ENOMEM; | |
3115 | ||
6c707945 SF |
3116 | /* Adjust the flood group for this VLAN. The flood group |
3117 | * references an L2 interface group for each port in this | |
3118 | * VLAN. | |
3119 | */ | |
3120 | ||
3121 | for (i = 0; i < rocker->port_count; i++) { | |
3122 | p = rocker->ports[i]; | |
bcfd7801 SF |
3123 | if (!p) |
3124 | continue; | |
6c707945 SF |
3125 | if (!rocker_port_is_bridged(p)) |
3126 | continue; | |
3127 | if (test_bit(ntohs(vlan_id), p->vlan_bitmap)) { | |
3128 | group_ids[group_count++] = | |
4a6bb6d3 | 3129 | ROCKER_GROUP_L2_INTERFACE(vlan_id, p->pport); |
6c707945 SF |
3130 | } |
3131 | } | |
3132 | ||
3133 | /* If there are no bridged ports in this VLAN, we're done */ | |
3134 | if (group_count == 0) | |
04f49faf | 3135 | goto no_ports_in_vlan; |
6c707945 | 3136 | |
c4f20321 SF |
3137 | err = rocker_group_l2_flood(rocker_port, trans, flags, vlan_id, |
3138 | group_count, group_ids, group_id); | |
6c707945 SF |
3139 | if (err) |
3140 | netdev_err(rocker_port->dev, | |
3141 | "Error (%d) port VLAN l2 flood group\n", err); | |
3142 | ||
04f49faf | 3143 | no_ports_in_vlan: |
0985df73 | 3144 | rocker_port_kfree(trans, group_ids); |
6c707945 SF |
3145 | return err; |
3146 | } | |
3147 | ||
3148 | static int rocker_port_vlan_l2_groups(struct rocker_port *rocker_port, | |
c4f20321 SF |
3149 | enum switchdev_trans trans, int flags, |
3150 | __be16 vlan_id, bool pop_vlan) | |
6c707945 | 3151 | { |
e5054643 | 3152 | const struct rocker *rocker = rocker_port->rocker; |
6c707945 SF |
3153 | struct rocker_port *p; |
3154 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
4a6bb6d3 | 3155 | u32 out_pport; |
6c707945 SF |
3156 | int ref = 0; |
3157 | int err; | |
3158 | int i; | |
3159 | ||
3160 | /* An L2 interface group for this port in this VLAN, but | |
3161 | * only when port STP state is LEARNING|FORWARDING. | |
3162 | */ | |
3163 | ||
3164 | if (rocker_port->stp_state == BR_STATE_LEARNING || | |
3165 | rocker_port->stp_state == BR_STATE_FORWARDING) { | |
4a6bb6d3 | 3166 | out_pport = rocker_port->pport; |
c4f20321 SF |
3167 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
3168 | vlan_id, out_pport, pop_vlan); | |
6c707945 SF |
3169 | if (err) { |
3170 | netdev_err(rocker_port->dev, | |
4a6bb6d3 SF |
3171 | "Error (%d) port VLAN l2 group for pport %d\n", |
3172 | err, out_pport); | |
6c707945 SF |
3173 | return err; |
3174 | } | |
3175 | } | |
3176 | ||
3177 | /* An L2 interface group for this VLAN to CPU port. | |
3178 | * Add when first port joins this VLAN and destroy when | |
3179 | * last port leaves this VLAN. | |
3180 | */ | |
3181 | ||
3182 | for (i = 0; i < rocker->port_count; i++) { | |
3183 | p = rocker->ports[i]; | |
bcfd7801 | 3184 | if (p && test_bit(ntohs(vlan_id), p->vlan_bitmap)) |
6c707945 SF |
3185 | ref++; |
3186 | } | |
3187 | ||
3188 | if ((!adding || ref != 1) && (adding || ref != 0)) | |
3189 | return 0; | |
3190 | ||
4a6bb6d3 | 3191 | out_pport = 0; |
c4f20321 SF |
3192 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
3193 | vlan_id, out_pport, pop_vlan); | |
6c707945 SF |
3194 | if (err) { |
3195 | netdev_err(rocker_port->dev, | |
3196 | "Error (%d) port VLAN l2 group for CPU port\n", err); | |
3197 | return err; | |
3198 | } | |
3199 | ||
3200 | return 0; | |
3201 | } | |
3202 | ||
9f6bbf7c SF |
3203 | static struct rocker_ctrl { |
3204 | const u8 *eth_dst; | |
3205 | const u8 *eth_dst_mask; | |
11e6c65a | 3206 | __be16 eth_type; |
9f6bbf7c SF |
3207 | bool acl; |
3208 | bool bridge; | |
3209 | bool term; | |
3210 | bool copy_to_cpu; | |
3211 | } rocker_ctrls[] = { | |
3212 | [ROCKER_CTRL_LINK_LOCAL_MCAST] = { | |
3213 | /* pass link local multicast pkts up to CPU for filtering */ | |
3214 | .eth_dst = ll_mac, | |
3215 | .eth_dst_mask = ll_mask, | |
3216 | .acl = true, | |
3217 | }, | |
3218 | [ROCKER_CTRL_LOCAL_ARP] = { | |
3219 | /* pass local ARP pkts up to CPU */ | |
3220 | .eth_dst = zero_mac, | |
3221 | .eth_dst_mask = zero_mac, | |
3222 | .eth_type = htons(ETH_P_ARP), | |
3223 | .acl = true, | |
3224 | }, | |
3225 | [ROCKER_CTRL_IPV4_MCAST] = { | |
3226 | /* pass IPv4 mcast pkts up to CPU, RFC 1112 */ | |
3227 | .eth_dst = ipv4_mcast, | |
3228 | .eth_dst_mask = ipv4_mask, | |
3229 | .eth_type = htons(ETH_P_IP), | |
3230 | .term = true, | |
3231 | .copy_to_cpu = true, | |
3232 | }, | |
3233 | [ROCKER_CTRL_IPV6_MCAST] = { | |
3234 | /* pass IPv6 mcast pkts up to CPU, RFC 2464 */ | |
3235 | .eth_dst = ipv6_mcast, | |
3236 | .eth_dst_mask = ipv6_mask, | |
3237 | .eth_type = htons(ETH_P_IPV6), | |
3238 | .term = true, | |
3239 | .copy_to_cpu = true, | |
3240 | }, | |
3241 | [ROCKER_CTRL_DFLT_BRIDGING] = { | |
3242 | /* flood any pkts on vlan */ | |
3243 | .bridge = true, | |
3244 | .copy_to_cpu = true, | |
3245 | }, | |
3246 | }; | |
3247 | ||
3248 | static int rocker_port_ctrl_vlan_acl(struct rocker_port *rocker_port, | |
c4f20321 | 3249 | enum switchdev_trans trans, int flags, |
e5054643 | 3250 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c | 3251 | { |
4a6bb6d3 SF |
3252 | u32 in_pport = rocker_port->pport; |
3253 | u32 in_pport_mask = 0xffffffff; | |
3254 | u32 out_pport = 0; | |
e5054643 SH |
3255 | const u8 *eth_src = NULL; |
3256 | const u8 *eth_src_mask = NULL; | |
9f6bbf7c SF |
3257 | __be16 vlan_id_mask = htons(0xffff); |
3258 | u8 ip_proto = 0; | |
3259 | u8 ip_proto_mask = 0; | |
3260 | u8 ip_tos = 0; | |
3261 | u8 ip_tos_mask = 0; | |
4a6bb6d3 | 3262 | u32 group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
9f6bbf7c SF |
3263 | int err; |
3264 | ||
c4f20321 | 3265 | err = rocker_flow_tbl_acl(rocker_port, trans, flags, |
4a6bb6d3 | 3266 | in_pport, in_pport_mask, |
9f6bbf7c SF |
3267 | eth_src, eth_src_mask, |
3268 | ctrl->eth_dst, ctrl->eth_dst_mask, | |
3269 | ctrl->eth_type, | |
3270 | vlan_id, vlan_id_mask, | |
3271 | ip_proto, ip_proto_mask, | |
3272 | ip_tos, ip_tos_mask, | |
3273 | group_id); | |
3274 | ||
3275 | if (err) | |
3276 | netdev_err(rocker_port->dev, "Error (%d) ctrl ACL\n", err); | |
3277 | ||
3278 | return err; | |
3279 | } | |
3280 | ||
6c707945 | 3281 | static int rocker_port_ctrl_vlan_bridge(struct rocker_port *rocker_port, |
c4f20321 | 3282 | enum switchdev_trans trans, int flags, |
e5054643 | 3283 | const struct rocker_ctrl *ctrl, |
6c707945 SF |
3284 | __be16 vlan_id) |
3285 | { | |
3286 | enum rocker_of_dpa_table_id goto_tbl = | |
3287 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
3288 | u32 group_id = ROCKER_GROUP_L2_FLOOD(vlan_id, 0); | |
3289 | u32 tunnel_id = 0; | |
3290 | int err; | |
3291 | ||
3292 | if (!rocker_port_is_bridged(rocker_port)) | |
3293 | return 0; | |
3294 | ||
c4f20321 | 3295 | err = rocker_flow_tbl_bridge(rocker_port, trans, flags, |
6c707945 SF |
3296 | ctrl->eth_dst, ctrl->eth_dst_mask, |
3297 | vlan_id, tunnel_id, | |
3298 | goto_tbl, group_id, ctrl->copy_to_cpu); | |
3299 | ||
3300 | if (err) | |
3301 | netdev_err(rocker_port->dev, "Error (%d) ctrl FLOOD\n", err); | |
3302 | ||
3303 | return err; | |
3304 | } | |
3305 | ||
9f6bbf7c | 3306 | static int rocker_port_ctrl_vlan_term(struct rocker_port *rocker_port, |
c4f20321 | 3307 | enum switchdev_trans trans, int flags, |
e5054643 | 3308 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c | 3309 | { |
4a6bb6d3 | 3310 | u32 in_pport_mask = 0xffffffff; |
9f6bbf7c SF |
3311 | __be16 vlan_id_mask = htons(0xffff); |
3312 | int err; | |
3313 | ||
3314 | if (ntohs(vlan_id) == 0) | |
3315 | vlan_id = rocker_port->internal_vlan_id; | |
3316 | ||
c4f20321 | 3317 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3318 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3319 | ctrl->eth_type, ctrl->eth_dst, |
3320 | ctrl->eth_dst_mask, vlan_id, | |
3321 | vlan_id_mask, ctrl->copy_to_cpu, | |
3322 | flags); | |
3323 | ||
3324 | if (err) | |
3325 | netdev_err(rocker_port->dev, "Error (%d) ctrl term\n", err); | |
3326 | ||
3327 | return err; | |
3328 | } | |
3329 | ||
c4f20321 SF |
3330 | static int rocker_port_ctrl_vlan(struct rocker_port *rocker_port, |
3331 | enum switchdev_trans trans, int flags, | |
e5054643 | 3332 | const struct rocker_ctrl *ctrl, __be16 vlan_id) |
9f6bbf7c SF |
3333 | { |
3334 | if (ctrl->acl) | |
c4f20321 | 3335 | return rocker_port_ctrl_vlan_acl(rocker_port, trans, flags, |
9f6bbf7c | 3336 | ctrl, vlan_id); |
6c707945 | 3337 | if (ctrl->bridge) |
c4f20321 | 3338 | return rocker_port_ctrl_vlan_bridge(rocker_port, trans, flags, |
6c707945 | 3339 | ctrl, vlan_id); |
9f6bbf7c SF |
3340 | |
3341 | if (ctrl->term) | |
c4f20321 | 3342 | return rocker_port_ctrl_vlan_term(rocker_port, trans, flags, |
9f6bbf7c SF |
3343 | ctrl, vlan_id); |
3344 | ||
3345 | return -EOPNOTSUPP; | |
3346 | } | |
3347 | ||
3348 | static int rocker_port_ctrl_vlan_add(struct rocker_port *rocker_port, | |
c4f20321 SF |
3349 | enum switchdev_trans trans, int flags, |
3350 | __be16 vlan_id) | |
9f6bbf7c SF |
3351 | { |
3352 | int err = 0; | |
3353 | int i; | |
3354 | ||
3355 | for (i = 0; i < ROCKER_CTRL_MAX; i++) { | |
3356 | if (rocker_port->ctrls[i]) { | |
c4f20321 | 3357 | err = rocker_port_ctrl_vlan(rocker_port, trans, flags, |
9f6bbf7c SF |
3358 | &rocker_ctrls[i], vlan_id); |
3359 | if (err) | |
3360 | return err; | |
3361 | } | |
3362 | } | |
3363 | ||
3364 | return err; | |
3365 | } | |
3366 | ||
c4f20321 SF |
3367 | static int rocker_port_ctrl(struct rocker_port *rocker_port, |
3368 | enum switchdev_trans trans, int flags, | |
e5054643 | 3369 | const struct rocker_ctrl *ctrl) |
9f6bbf7c SF |
3370 | { |
3371 | u16 vid; | |
3372 | int err = 0; | |
3373 | ||
3374 | for (vid = 1; vid < VLAN_N_VID; vid++) { | |
3375 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
3376 | continue; | |
c4f20321 | 3377 | err = rocker_port_ctrl_vlan(rocker_port, trans, flags, |
9f6bbf7c SF |
3378 | ctrl, htons(vid)); |
3379 | if (err) | |
3380 | break; | |
3381 | } | |
3382 | ||
3383 | return err; | |
3384 | } | |
3385 | ||
c4f20321 SF |
3386 | static int rocker_port_vlan(struct rocker_port *rocker_port, |
3387 | enum switchdev_trans trans, int flags, u16 vid) | |
6c707945 SF |
3388 | { |
3389 | enum rocker_of_dpa_table_id goto_tbl = | |
3390 | ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC; | |
4a6bb6d3 | 3391 | u32 in_pport = rocker_port->pport; |
6c707945 SF |
3392 | __be16 vlan_id = htons(vid); |
3393 | __be16 vlan_id_mask = htons(0xffff); | |
3394 | __be16 internal_vlan_id; | |
3395 | bool untagged; | |
3396 | bool adding = !(flags & ROCKER_OP_FLAG_REMOVE); | |
3397 | int err; | |
3398 | ||
3399 | internal_vlan_id = rocker_port_vid_to_vlan(rocker_port, vid, &untagged); | |
3400 | ||
9228ad26 SF |
3401 | if (adding && test_bit(ntohs(internal_vlan_id), |
3402 | rocker_port->vlan_bitmap)) | |
6c707945 | 3403 | return 0; /* already added */ |
9228ad26 SF |
3404 | else if (!adding && !test_bit(ntohs(internal_vlan_id), |
3405 | rocker_port->vlan_bitmap)) | |
6c707945 SF |
3406 | return 0; /* already removed */ |
3407 | ||
9228ad26 SF |
3408 | change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); |
3409 | ||
6c707945 | 3410 | if (adding) { |
c4f20321 | 3411 | err = rocker_port_ctrl_vlan_add(rocker_port, trans, flags, |
6c707945 SF |
3412 | internal_vlan_id); |
3413 | if (err) { | |
3414 | netdev_err(rocker_port->dev, | |
3415 | "Error (%d) port ctrl vlan add\n", err); | |
9228ad26 | 3416 | goto err_out; |
6c707945 SF |
3417 | } |
3418 | } | |
3419 | ||
c4f20321 | 3420 | err = rocker_port_vlan_l2_groups(rocker_port, trans, flags, |
6c707945 SF |
3421 | internal_vlan_id, untagged); |
3422 | if (err) { | |
3423 | netdev_err(rocker_port->dev, | |
3424 | "Error (%d) port VLAN l2 groups\n", err); | |
9228ad26 | 3425 | goto err_out; |
6c707945 SF |
3426 | } |
3427 | ||
c4f20321 | 3428 | err = rocker_port_vlan_flood_group(rocker_port, trans, flags, |
6c707945 SF |
3429 | internal_vlan_id); |
3430 | if (err) { | |
3431 | netdev_err(rocker_port->dev, | |
3432 | "Error (%d) port VLAN l2 flood group\n", err); | |
9228ad26 | 3433 | goto err_out; |
6c707945 SF |
3434 | } |
3435 | ||
c4f20321 | 3436 | err = rocker_flow_tbl_vlan(rocker_port, trans, flags, |
4a6bb6d3 | 3437 | in_pport, vlan_id, vlan_id_mask, |
6c707945 SF |
3438 | goto_tbl, untagged, internal_vlan_id); |
3439 | if (err) | |
3440 | netdev_err(rocker_port->dev, | |
3441 | "Error (%d) port VLAN table\n", err); | |
3442 | ||
9228ad26 SF |
3443 | err_out: |
3444 | if (trans == SWITCHDEV_TRANS_PREPARE) | |
3445 | change_bit(ntohs(internal_vlan_id), rocker_port->vlan_bitmap); | |
3446 | ||
6c707945 SF |
3447 | return err; |
3448 | } | |
3449 | ||
c4f20321 SF |
3450 | static int rocker_port_ig_tbl(struct rocker_port *rocker_port, |
3451 | enum switchdev_trans trans, int flags) | |
9f6bbf7c SF |
3452 | { |
3453 | enum rocker_of_dpa_table_id goto_tbl; | |
4a6bb6d3 SF |
3454 | u32 in_pport; |
3455 | u32 in_pport_mask; | |
9f6bbf7c SF |
3456 | int err; |
3457 | ||
3458 | /* Normal Ethernet Frames. Matches pkts from any local physical | |
3459 | * ports. Goto VLAN tbl. | |
3460 | */ | |
3461 | ||
4a6bb6d3 SF |
3462 | in_pport = 0; |
3463 | in_pport_mask = 0xffff0000; | |
9f6bbf7c SF |
3464 | goto_tbl = ROCKER_OF_DPA_TABLE_ID_VLAN; |
3465 | ||
c4f20321 | 3466 | err = rocker_flow_tbl_ig_port(rocker_port, trans, flags, |
4a6bb6d3 | 3467 | in_pport, in_pport_mask, |
9f6bbf7c SF |
3468 | goto_tbl); |
3469 | if (err) | |
3470 | netdev_err(rocker_port->dev, | |
3471 | "Error (%d) ingress port table entry\n", err); | |
3472 | ||
3473 | return err; | |
3474 | } | |
3475 | ||
6c707945 SF |
3476 | struct rocker_fdb_learn_work { |
3477 | struct work_struct work; | |
c4f20321 SF |
3478 | struct rocker_port *rocker_port; |
3479 | enum switchdev_trans trans; | |
6c707945 SF |
3480 | int flags; |
3481 | u8 addr[ETH_ALEN]; | |
3482 | u16 vid; | |
3483 | }; | |
3484 | ||
3485 | static void rocker_port_fdb_learn_work(struct work_struct *work) | |
3486 | { | |
e5054643 | 3487 | const struct rocker_fdb_learn_work *lw = |
6c707945 SF |
3488 | container_of(work, struct rocker_fdb_learn_work, work); |
3489 | bool removing = (lw->flags & ROCKER_OP_FLAG_REMOVE); | |
3490 | bool learned = (lw->flags & ROCKER_OP_FLAG_LEARNED); | |
ebb9a03a | 3491 | struct switchdev_notifier_fdb_info info; |
3aeb6617 JP |
3492 | |
3493 | info.addr = lw->addr; | |
3494 | info.vid = lw->vid; | |
6c707945 | 3495 | |
51ace887 | 3496 | if (learned && removing) |
ebb9a03a | 3497 | call_switchdev_notifiers(SWITCHDEV_FDB_DEL, |
c4f20321 | 3498 | lw->rocker_port->dev, &info.info); |
51ace887 | 3499 | else if (learned && !removing) |
ebb9a03a | 3500 | call_switchdev_notifiers(SWITCHDEV_FDB_ADD, |
c4f20321 | 3501 | lw->rocker_port->dev, &info.info); |
6c707945 | 3502 | |
0985df73 | 3503 | rocker_port_kfree(lw->trans, work); |
6c707945 SF |
3504 | } |
3505 | ||
3506 | static int rocker_port_fdb_learn(struct rocker_port *rocker_port, | |
c4f20321 SF |
3507 | enum switchdev_trans trans, int flags, |
3508 | const u8 *addr, __be16 vlan_id) | |
6c707945 SF |
3509 | { |
3510 | struct rocker_fdb_learn_work *lw; | |
3511 | enum rocker_of_dpa_table_id goto_tbl = | |
3512 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
4a6bb6d3 | 3513 | u32 out_pport = rocker_port->pport; |
6c707945 SF |
3514 | u32 tunnel_id = 0; |
3515 | u32 group_id = ROCKER_GROUP_NONE; | |
5111f80c | 3516 | bool syncing = !!(rocker_port->brport_flags & BR_LEARNING_SYNC); |
6c707945 SF |
3517 | bool copy_to_cpu = false; |
3518 | int err; | |
3519 | ||
3520 | if (rocker_port_is_bridged(rocker_port)) | |
4a6bb6d3 | 3521 | group_id = ROCKER_GROUP_L2_INTERFACE(vlan_id, out_pport); |
6c707945 SF |
3522 | |
3523 | if (!(flags & ROCKER_OP_FLAG_REFRESH)) { | |
c4f20321 SF |
3524 | err = rocker_flow_tbl_bridge(rocker_port, trans, flags, addr, |
3525 | NULL, vlan_id, tunnel_id, goto_tbl, | |
6c707945 SF |
3526 | group_id, copy_to_cpu); |
3527 | if (err) | |
3528 | return err; | |
3529 | } | |
3530 | ||
5111f80c SF |
3531 | if (!syncing) |
3532 | return 0; | |
3533 | ||
6c707945 SF |
3534 | if (!rocker_port_is_bridged(rocker_port)) |
3535 | return 0; | |
3536 | ||
179f9a25 | 3537 | lw = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*lw)); |
6c707945 SF |
3538 | if (!lw) |
3539 | return -ENOMEM; | |
3540 | ||
3541 | INIT_WORK(&lw->work, rocker_port_fdb_learn_work); | |
3542 | ||
c4f20321 SF |
3543 | lw->rocker_port = rocker_port; |
3544 | lw->trans = trans; | |
6c707945 SF |
3545 | lw->flags = flags; |
3546 | ether_addr_copy(lw->addr, addr); | |
3547 | lw->vid = rocker_port_vlan_to_vid(rocker_port, vlan_id); | |
3548 | ||
c4f20321 | 3549 | if (trans == SWITCHDEV_TRANS_PREPARE) |
0985df73 | 3550 | rocker_port_kfree(trans, lw); |
c4f20321 SF |
3551 | else |
3552 | schedule_work(&lw->work); | |
6c707945 SF |
3553 | |
3554 | return 0; | |
3555 | } | |
3556 | ||
3557 | static struct rocker_fdb_tbl_entry * | |
e5054643 SH |
3558 | rocker_fdb_tbl_find(const struct rocker *rocker, |
3559 | const struct rocker_fdb_tbl_entry *match) | |
6c707945 SF |
3560 | { |
3561 | struct rocker_fdb_tbl_entry *found; | |
3562 | ||
3563 | hash_for_each_possible(rocker->fdb_tbl, found, entry, match->key_crc32) | |
3564 | if (memcmp(&found->key, &match->key, sizeof(found->key)) == 0) | |
3565 | return found; | |
3566 | ||
3567 | return NULL; | |
3568 | } | |
3569 | ||
3570 | static int rocker_port_fdb(struct rocker_port *rocker_port, | |
c4f20321 | 3571 | enum switchdev_trans trans, |
6c707945 SF |
3572 | const unsigned char *addr, |
3573 | __be16 vlan_id, int flags) | |
3574 | { | |
3575 | struct rocker *rocker = rocker_port->rocker; | |
3576 | struct rocker_fdb_tbl_entry *fdb; | |
3577 | struct rocker_fdb_tbl_entry *found; | |
3578 | bool removing = (flags & ROCKER_OP_FLAG_REMOVE); | |
3579 | unsigned long lock_flags; | |
3580 | ||
179f9a25 | 3581 | fdb = rocker_port_kzalloc(rocker_port, trans, flags, sizeof(*fdb)); |
6c707945 SF |
3582 | if (!fdb) |
3583 | return -ENOMEM; | |
3584 | ||
3585 | fdb->learned = (flags & ROCKER_OP_FLAG_LEARNED); | |
4a6bb6d3 | 3586 | fdb->key.pport = rocker_port->pport; |
6c707945 SF |
3587 | ether_addr_copy(fdb->key.addr, addr); |
3588 | fdb->key.vlan_id = vlan_id; | |
3589 | fdb->key_crc32 = crc32(~0, &fdb->key, sizeof(fdb->key)); | |
3590 | ||
3591 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); | |
3592 | ||
3593 | found = rocker_fdb_tbl_find(rocker, fdb); | |
3594 | ||
3595 | if (removing && found) { | |
0985df73 | 3596 | rocker_port_kfree(trans, fdb); |
42e94889 SH |
3597 | if (trans != SWITCHDEV_TRANS_PREPARE) |
3598 | hash_del(&found->entry); | |
6c707945 | 3599 | } else if (!removing && !found) { |
42e94889 SH |
3600 | if (trans != SWITCHDEV_TRANS_PREPARE) |
3601 | hash_add(rocker->fdb_tbl, &fdb->entry, fdb->key_crc32); | |
6c707945 SF |
3602 | } |
3603 | ||
3604 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
3605 | ||
3606 | /* Check if adding and already exists, or removing and can't find */ | |
3607 | if (!found != !removing) { | |
0985df73 | 3608 | rocker_port_kfree(trans, fdb); |
6c707945 SF |
3609 | if (!found && removing) |
3610 | return 0; | |
3611 | /* Refreshing existing to update aging timers */ | |
3612 | flags |= ROCKER_OP_FLAG_REFRESH; | |
3613 | } | |
3614 | ||
c4f20321 | 3615 | return rocker_port_fdb_learn(rocker_port, trans, flags, addr, vlan_id); |
6c707945 SF |
3616 | } |
3617 | ||
c4f20321 | 3618 | static int rocker_port_fdb_flush(struct rocker_port *rocker_port, |
179f9a25 | 3619 | enum switchdev_trans trans, int flags) |
6c707945 SF |
3620 | { |
3621 | struct rocker *rocker = rocker_port->rocker; | |
3622 | struct rocker_fdb_tbl_entry *found; | |
3623 | unsigned long lock_flags; | |
6c707945 SF |
3624 | struct hlist_node *tmp; |
3625 | int bkt; | |
3626 | int err = 0; | |
3627 | ||
3628 | if (rocker_port->stp_state == BR_STATE_LEARNING || | |
3629 | rocker_port->stp_state == BR_STATE_FORWARDING) | |
3630 | return 0; | |
3631 | ||
179f9a25 SF |
3632 | flags |= ROCKER_OP_FLAG_REMOVE; |
3633 | ||
6c707945 SF |
3634 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); |
3635 | ||
3636 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) { | |
4a6bb6d3 | 3637 | if (found->key.pport != rocker_port->pport) |
6c707945 SF |
3638 | continue; |
3639 | if (!found->learned) | |
3640 | continue; | |
c4f20321 | 3641 | err = rocker_port_fdb_learn(rocker_port, trans, flags, |
6c707945 SF |
3642 | found->key.addr, |
3643 | found->key.vlan_id); | |
3644 | if (err) | |
3645 | goto err_out; | |
3098ac39 SH |
3646 | if (trans != SWITCHDEV_TRANS_PREPARE) |
3647 | hash_del(&found->entry); | |
6c707945 SF |
3648 | } |
3649 | ||
3650 | err_out: | |
3651 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
3652 | ||
3653 | return err; | |
3654 | } | |
3655 | ||
9f6bbf7c | 3656 | static int rocker_port_router_mac(struct rocker_port *rocker_port, |
c4f20321 SF |
3657 | enum switchdev_trans trans, int flags, |
3658 | __be16 vlan_id) | |
9f6bbf7c | 3659 | { |
4a6bb6d3 | 3660 | u32 in_pport_mask = 0xffffffff; |
9f6bbf7c SF |
3661 | __be16 eth_type; |
3662 | const u8 *dst_mac_mask = ff_mac; | |
3663 | __be16 vlan_id_mask = htons(0xffff); | |
3664 | bool copy_to_cpu = false; | |
3665 | int err; | |
3666 | ||
3667 | if (ntohs(vlan_id) == 0) | |
3668 | vlan_id = rocker_port->internal_vlan_id; | |
3669 | ||
3670 | eth_type = htons(ETH_P_IP); | |
c4f20321 | 3671 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3672 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3673 | eth_type, rocker_port->dev->dev_addr, |
3674 | dst_mac_mask, vlan_id, vlan_id_mask, | |
3675 | copy_to_cpu, flags); | |
3676 | if (err) | |
3677 | return err; | |
3678 | ||
3679 | eth_type = htons(ETH_P_IPV6); | |
c4f20321 | 3680 | err = rocker_flow_tbl_term_mac(rocker_port, trans, |
4a6bb6d3 | 3681 | rocker_port->pport, in_pport_mask, |
9f6bbf7c SF |
3682 | eth_type, rocker_port->dev->dev_addr, |
3683 | dst_mac_mask, vlan_id, vlan_id_mask, | |
3684 | copy_to_cpu, flags); | |
3685 | ||
3686 | return err; | |
3687 | } | |
3688 | ||
c4f20321 | 3689 | static int rocker_port_fwding(struct rocker_port *rocker_port, |
179f9a25 | 3690 | enum switchdev_trans trans, int flags) |
6c707945 SF |
3691 | { |
3692 | bool pop_vlan; | |
4a6bb6d3 | 3693 | u32 out_pport; |
6c707945 SF |
3694 | __be16 vlan_id; |
3695 | u16 vid; | |
6c707945 SF |
3696 | int err; |
3697 | ||
3698 | /* Port will be forwarding-enabled if its STP state is LEARNING | |
3699 | * or FORWARDING. Traffic from CPU can still egress, regardless of | |
3700 | * port STP state. Use L2 interface group on port VLANs as a way | |
3701 | * to toggle port forwarding: if forwarding is disabled, L2 | |
3702 | * interface group will not exist. | |
3703 | */ | |
3704 | ||
3705 | if (rocker_port->stp_state != BR_STATE_LEARNING && | |
3706 | rocker_port->stp_state != BR_STATE_FORWARDING) | |
3707 | flags |= ROCKER_OP_FLAG_REMOVE; | |
3708 | ||
4a6bb6d3 | 3709 | out_pport = rocker_port->pport; |
6c707945 SF |
3710 | for (vid = 1; vid < VLAN_N_VID; vid++) { |
3711 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
3712 | continue; | |
3713 | vlan_id = htons(vid); | |
3714 | pop_vlan = rocker_vlan_id_is_internal(vlan_id); | |
c4f20321 SF |
3715 | err = rocker_group_l2_interface(rocker_port, trans, flags, |
3716 | vlan_id, out_pport, pop_vlan); | |
6c707945 SF |
3717 | if (err) { |
3718 | netdev_err(rocker_port->dev, | |
4a6bb6d3 SF |
3719 | "Error (%d) port VLAN l2 group for pport %d\n", |
3720 | err, out_pport); | |
6c707945 SF |
3721 | return err; |
3722 | } | |
3723 | } | |
3724 | ||
3725 | return 0; | |
3726 | } | |
3727 | ||
c4f20321 | 3728 | static int rocker_port_stp_update(struct rocker_port *rocker_port, |
179f9a25 SF |
3729 | enum switchdev_trans trans, int flags, |
3730 | u8 state) | |
6c707945 SF |
3731 | { |
3732 | bool want[ROCKER_CTRL_MAX] = { 0, }; | |
c4f20321 SF |
3733 | bool prev_ctrls[ROCKER_CTRL_MAX]; |
3734 | u8 prev_state; | |
6c707945 SF |
3735 | int err; |
3736 | int i; | |
3737 | ||
c4f20321 SF |
3738 | if (trans == SWITCHDEV_TRANS_PREPARE) { |
3739 | memcpy(prev_ctrls, rocker_port->ctrls, sizeof(prev_ctrls)); | |
3740 | prev_state = rocker_port->stp_state; | |
3741 | } | |
3742 | ||
6c707945 SF |
3743 | if (rocker_port->stp_state == state) |
3744 | return 0; | |
3745 | ||
3746 | rocker_port->stp_state = state; | |
3747 | ||
3748 | switch (state) { | |
3749 | case BR_STATE_DISABLED: | |
3750 | /* port is completely disabled */ | |
3751 | break; | |
3752 | case BR_STATE_LISTENING: | |
3753 | case BR_STATE_BLOCKING: | |
3754 | want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true; | |
3755 | break; | |
3756 | case BR_STATE_LEARNING: | |
3757 | case BR_STATE_FORWARDING: | |
3758 | want[ROCKER_CTRL_LINK_LOCAL_MCAST] = true; | |
3759 | want[ROCKER_CTRL_IPV4_MCAST] = true; | |
3760 | want[ROCKER_CTRL_IPV6_MCAST] = true; | |
3761 | if (rocker_port_is_bridged(rocker_port)) | |
3762 | want[ROCKER_CTRL_DFLT_BRIDGING] = true; | |
3763 | else | |
3764 | want[ROCKER_CTRL_LOCAL_ARP] = true; | |
3765 | break; | |
3766 | } | |
3767 | ||
3768 | for (i = 0; i < ROCKER_CTRL_MAX; i++) { | |
3769 | if (want[i] != rocker_port->ctrls[i]) { | |
179f9a25 SF |
3770 | int ctrl_flags = flags | |
3771 | (want[i] ? 0 : ROCKER_OP_FLAG_REMOVE); | |
3772 | err = rocker_port_ctrl(rocker_port, trans, ctrl_flags, | |
6c707945 SF |
3773 | &rocker_ctrls[i]); |
3774 | if (err) | |
c4f20321 | 3775 | goto err_out; |
6c707945 SF |
3776 | rocker_port->ctrls[i] = want[i]; |
3777 | } | |
3778 | } | |
3779 | ||
179f9a25 | 3780 | err = rocker_port_fdb_flush(rocker_port, trans, flags); |
6c707945 | 3781 | if (err) |
c4f20321 | 3782 | goto err_out; |
6c707945 | 3783 | |
179f9a25 | 3784 | err = rocker_port_fwding(rocker_port, trans, flags); |
c4f20321 SF |
3785 | |
3786 | err_out: | |
3787 | if (trans == SWITCHDEV_TRANS_PREPARE) { | |
3788 | memcpy(rocker_port->ctrls, prev_ctrls, sizeof(prev_ctrls)); | |
3789 | rocker_port->stp_state = prev_state; | |
3790 | } | |
3791 | ||
3792 | return err; | |
6c707945 SF |
3793 | } |
3794 | ||
c4f20321 | 3795 | static int rocker_port_fwd_enable(struct rocker_port *rocker_port, |
179f9a25 | 3796 | enum switchdev_trans trans, int flags) |
e47172ab SF |
3797 | { |
3798 | if (rocker_port_is_bridged(rocker_port)) | |
3799 | /* bridge STP will enable port */ | |
3800 | return 0; | |
3801 | ||
3802 | /* port is not bridged, so simulate going to FORWARDING state */ | |
179f9a25 SF |
3803 | return rocker_port_stp_update(rocker_port, trans, flags, |
3804 | BR_STATE_FORWARDING); | |
e47172ab SF |
3805 | } |
3806 | ||
c4f20321 | 3807 | static int rocker_port_fwd_disable(struct rocker_port *rocker_port, |
179f9a25 | 3808 | enum switchdev_trans trans, int flags) |
e47172ab SF |
3809 | { |
3810 | if (rocker_port_is_bridged(rocker_port)) | |
3811 | /* bridge STP will disable port */ | |
3812 | return 0; | |
3813 | ||
3814 | /* port is not bridged, so simulate going to DISABLED state */ | |
179f9a25 SF |
3815 | return rocker_port_stp_update(rocker_port, trans, flags, |
3816 | BR_STATE_DISABLED); | |
e47172ab SF |
3817 | } |
3818 | ||
9f6bbf7c | 3819 | static struct rocker_internal_vlan_tbl_entry * |
e5054643 | 3820 | rocker_internal_vlan_tbl_find(const struct rocker *rocker, int ifindex) |
9f6bbf7c SF |
3821 | { |
3822 | struct rocker_internal_vlan_tbl_entry *found; | |
3823 | ||
3824 | hash_for_each_possible(rocker->internal_vlan_tbl, found, | |
3825 | entry, ifindex) { | |
3826 | if (found->ifindex == ifindex) | |
3827 | return found; | |
3828 | } | |
3829 | ||
3830 | return NULL; | |
3831 | } | |
3832 | ||
3833 | static __be16 rocker_port_internal_vlan_id_get(struct rocker_port *rocker_port, | |
3834 | int ifindex) | |
3835 | { | |
3836 | struct rocker *rocker = rocker_port->rocker; | |
3837 | struct rocker_internal_vlan_tbl_entry *entry; | |
3838 | struct rocker_internal_vlan_tbl_entry *found; | |
3839 | unsigned long lock_flags; | |
3840 | int i; | |
3841 | ||
df6a2067 | 3842 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); |
9f6bbf7c SF |
3843 | if (!entry) |
3844 | return 0; | |
3845 | ||
3846 | entry->ifindex = ifindex; | |
3847 | ||
3848 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3849 | ||
3850 | found = rocker_internal_vlan_tbl_find(rocker, ifindex); | |
3851 | if (found) { | |
df6a2067 | 3852 | kfree(entry); |
9f6bbf7c SF |
3853 | goto found; |
3854 | } | |
3855 | ||
3856 | found = entry; | |
3857 | hash_add(rocker->internal_vlan_tbl, &found->entry, found->ifindex); | |
3858 | ||
3859 | for (i = 0; i < ROCKER_N_INTERNAL_VLANS; i++) { | |
3860 | if (test_and_set_bit(i, rocker->internal_vlan_bitmap)) | |
3861 | continue; | |
3862 | found->vlan_id = htons(ROCKER_INTERNAL_VLAN_ID_BASE + i); | |
3863 | goto found; | |
3864 | } | |
3865 | ||
3866 | netdev_err(rocker_port->dev, "Out of internal VLAN IDs\n"); | |
3867 | ||
3868 | found: | |
3869 | found->ref_count++; | |
3870 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3871 | ||
3872 | return found->vlan_id; | |
3873 | } | |
3874 | ||
e5054643 SH |
3875 | static void |
3876 | rocker_port_internal_vlan_id_put(const struct rocker_port *rocker_port, | |
3877 | int ifindex) | |
9f6bbf7c SF |
3878 | { |
3879 | struct rocker *rocker = rocker_port->rocker; | |
3880 | struct rocker_internal_vlan_tbl_entry *found; | |
3881 | unsigned long lock_flags; | |
3882 | unsigned long bit; | |
3883 | ||
3884 | spin_lock_irqsave(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3885 | ||
3886 | found = rocker_internal_vlan_tbl_find(rocker, ifindex); | |
3887 | if (!found) { | |
3888 | netdev_err(rocker_port->dev, | |
3889 | "ifindex (%d) not found in internal VLAN tbl\n", | |
3890 | ifindex); | |
3891 | goto not_found; | |
3892 | } | |
3893 | ||
3894 | if (--found->ref_count <= 0) { | |
3895 | bit = ntohs(found->vlan_id) - ROCKER_INTERNAL_VLAN_ID_BASE; | |
3896 | clear_bit(bit, rocker->internal_vlan_bitmap); | |
3897 | hash_del(&found->entry); | |
df6a2067 | 3898 | kfree(found); |
9f6bbf7c SF |
3899 | } |
3900 | ||
3901 | not_found: | |
3902 | spin_unlock_irqrestore(&rocker->internal_vlan_tbl_lock, lock_flags); | |
3903 | } | |
3904 | ||
c4f20321 SF |
3905 | static int rocker_port_fib_ipv4(struct rocker_port *rocker_port, |
3906 | enum switchdev_trans trans, __be32 dst, | |
e5054643 SH |
3907 | int dst_len, const struct fib_info *fi, |
3908 | u32 tb_id, int flags) | |
c1beeef7 | 3909 | { |
e5054643 | 3910 | const struct fib_nh *nh; |
c1beeef7 SF |
3911 | __be16 eth_type = htons(ETH_P_IP); |
3912 | __be32 dst_mask = inet_make_mask(dst_len); | |
3913 | __be16 internal_vlan_id = rocker_port->internal_vlan_id; | |
3914 | u32 priority = fi->fib_priority; | |
3915 | enum rocker_of_dpa_table_id goto_tbl = | |
3916 | ROCKER_OF_DPA_TABLE_ID_ACL_POLICY; | |
3917 | u32 group_id; | |
3918 | bool nh_on_port; | |
3919 | bool has_gw; | |
3920 | u32 index; | |
3921 | int err; | |
3922 | ||
3923 | /* XXX support ECMP */ | |
3924 | ||
3925 | nh = fi->fib_nh; | |
3926 | nh_on_port = (fi->fib_dev == rocker_port->dev); | |
3927 | has_gw = !!nh->nh_gw; | |
3928 | ||
3929 | if (has_gw && nh_on_port) { | |
c4f20321 | 3930 | err = rocker_port_ipv4_nh(rocker_port, trans, flags, |
c1beeef7 SF |
3931 | nh->nh_gw, &index); |
3932 | if (err) | |
3933 | return err; | |
3934 | ||
3935 | group_id = ROCKER_GROUP_L3_UNICAST(index); | |
3936 | } else { | |
3937 | /* Send to CPU for processing */ | |
3938 | group_id = ROCKER_GROUP_L2_INTERFACE(internal_vlan_id, 0); | |
3939 | } | |
3940 | ||
c4f20321 | 3941 | err = rocker_flow_tbl_ucast4_routing(rocker_port, trans, eth_type, dst, |
c1beeef7 SF |
3942 | dst_mask, priority, goto_tbl, |
3943 | group_id, flags); | |
3944 | if (err) | |
3945 | netdev_err(rocker_port->dev, "Error (%d) IPv4 route %pI4\n", | |
3946 | err, &dst); | |
3947 | ||
3948 | return err; | |
3949 | } | |
3950 | ||
4b8ac966 JP |
3951 | /***************** |
3952 | * Net device ops | |
3953 | *****************/ | |
3954 | ||
3955 | static int rocker_port_open(struct net_device *dev) | |
3956 | { | |
3957 | struct rocker_port *rocker_port = netdev_priv(dev); | |
3958 | int err; | |
3959 | ||
3960 | err = rocker_port_dma_rings_init(rocker_port); | |
3961 | if (err) | |
3962 | return err; | |
3963 | ||
3964 | err = request_irq(rocker_msix_tx_vector(rocker_port), | |
3965 | rocker_tx_irq_handler, 0, | |
3966 | rocker_driver_name, rocker_port); | |
3967 | if (err) { | |
3968 | netdev_err(rocker_port->dev, "cannot assign tx irq\n"); | |
3969 | goto err_request_tx_irq; | |
3970 | } | |
3971 | ||
3972 | err = request_irq(rocker_msix_rx_vector(rocker_port), | |
3973 | rocker_rx_irq_handler, 0, | |
3974 | rocker_driver_name, rocker_port); | |
3975 | if (err) { | |
3976 | netdev_err(rocker_port->dev, "cannot assign rx irq\n"); | |
3977 | goto err_request_rx_irq; | |
3978 | } | |
3979 | ||
179f9a25 | 3980 | err = rocker_port_fwd_enable(rocker_port, SWITCHDEV_TRANS_NONE, 0); |
6c707945 | 3981 | if (err) |
e47172ab | 3982 | goto err_fwd_enable; |
6c707945 | 3983 | |
4b8ac966 JP |
3984 | napi_enable(&rocker_port->napi_tx); |
3985 | napi_enable(&rocker_port->napi_rx); | |
3986 | rocker_port_set_enable(rocker_port, true); | |
3987 | netif_start_queue(dev); | |
3988 | return 0; | |
3989 | ||
e47172ab | 3990 | err_fwd_enable: |
6c707945 | 3991 | free_irq(rocker_msix_rx_vector(rocker_port), rocker_port); |
4b8ac966 JP |
3992 | err_request_rx_irq: |
3993 | free_irq(rocker_msix_tx_vector(rocker_port), rocker_port); | |
3994 | err_request_tx_irq: | |
3995 | rocker_port_dma_rings_fini(rocker_port); | |
3996 | return err; | |
3997 | } | |
3998 | ||
3999 | static int rocker_port_stop(struct net_device *dev) | |
4000 | { | |
4001 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4002 | ||
4003 | netif_stop_queue(dev); | |
4004 | rocker_port_set_enable(rocker_port, false); | |
4005 | napi_disable(&rocker_port->napi_rx); | |
4006 | napi_disable(&rocker_port->napi_tx); | |
f66feaa9 SF |
4007 | rocker_port_fwd_disable(rocker_port, SWITCHDEV_TRANS_NONE, |
4008 | ROCKER_OP_FLAG_NOWAIT); | |
4b8ac966 JP |
4009 | free_irq(rocker_msix_rx_vector(rocker_port), rocker_port); |
4010 | free_irq(rocker_msix_tx_vector(rocker_port), rocker_port); | |
4011 | rocker_port_dma_rings_fini(rocker_port); | |
4012 | ||
4013 | return 0; | |
4014 | } | |
4015 | ||
e5054643 SH |
4016 | static void rocker_tx_desc_frags_unmap(const struct rocker_port *rocker_port, |
4017 | const struct rocker_desc_info *desc_info) | |
4b8ac966 | 4018 | { |
e5054643 | 4019 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 | 4020 | struct pci_dev *pdev = rocker->pdev; |
e5054643 | 4021 | const struct rocker_tlv *attrs[ROCKER_TLV_TX_MAX + 1]; |
4b8ac966 JP |
4022 | struct rocker_tlv *attr; |
4023 | int rem; | |
4024 | ||
4025 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_TX_MAX, desc_info); | |
4026 | if (!attrs[ROCKER_TLV_TX_FRAGS]) | |
4027 | return; | |
4028 | rocker_tlv_for_each_nested(attr, attrs[ROCKER_TLV_TX_FRAGS], rem) { | |
e5054643 | 4029 | const struct rocker_tlv *frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_MAX + 1]; |
4b8ac966 JP |
4030 | dma_addr_t dma_handle; |
4031 | size_t len; | |
4032 | ||
4033 | if (rocker_tlv_type(attr) != ROCKER_TLV_TX_FRAG) | |
4034 | continue; | |
4035 | rocker_tlv_parse_nested(frag_attrs, ROCKER_TLV_TX_FRAG_ATTR_MAX, | |
4036 | attr); | |
4037 | if (!frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_ADDR] || | |
4038 | !frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_LEN]) | |
4039 | continue; | |
4040 | dma_handle = rocker_tlv_get_u64(frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_ADDR]); | |
4041 | len = rocker_tlv_get_u16(frag_attrs[ROCKER_TLV_TX_FRAG_ATTR_LEN]); | |
4042 | pci_unmap_single(pdev, dma_handle, len, DMA_TO_DEVICE); | |
4043 | } | |
4044 | } | |
4045 | ||
e5054643 | 4046 | static int rocker_tx_desc_frag_map_put(const struct rocker_port *rocker_port, |
4b8ac966 JP |
4047 | struct rocker_desc_info *desc_info, |
4048 | char *buf, size_t buf_len) | |
4049 | { | |
e5054643 | 4050 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4051 | struct pci_dev *pdev = rocker->pdev; |
4052 | dma_addr_t dma_handle; | |
4053 | struct rocker_tlv *frag; | |
4054 | ||
4055 | dma_handle = pci_map_single(pdev, buf, buf_len, DMA_TO_DEVICE); | |
4056 | if (unlikely(pci_dma_mapping_error(pdev, dma_handle))) { | |
4057 | if (net_ratelimit()) | |
4058 | netdev_err(rocker_port->dev, "failed to dma map tx frag\n"); | |
4059 | return -EIO; | |
4060 | } | |
4061 | frag = rocker_tlv_nest_start(desc_info, ROCKER_TLV_TX_FRAG); | |
4062 | if (!frag) | |
4063 | goto unmap_frag; | |
4064 | if (rocker_tlv_put_u64(desc_info, ROCKER_TLV_TX_FRAG_ATTR_ADDR, | |
4065 | dma_handle)) | |
4066 | goto nest_cancel; | |
4067 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_TX_FRAG_ATTR_LEN, | |
4068 | buf_len)) | |
4069 | goto nest_cancel; | |
4070 | rocker_tlv_nest_end(desc_info, frag); | |
4071 | return 0; | |
4072 | ||
4073 | nest_cancel: | |
4074 | rocker_tlv_nest_cancel(desc_info, frag); | |
4075 | unmap_frag: | |
4076 | pci_unmap_single(pdev, dma_handle, buf_len, DMA_TO_DEVICE); | |
4077 | return -EMSGSIZE; | |
4078 | } | |
4079 | ||
4080 | static netdev_tx_t rocker_port_xmit(struct sk_buff *skb, struct net_device *dev) | |
4081 | { | |
4082 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4083 | struct rocker *rocker = rocker_port->rocker; | |
4084 | struct rocker_desc_info *desc_info; | |
4085 | struct rocker_tlv *frags; | |
4086 | int i; | |
4087 | int err; | |
4088 | ||
4089 | desc_info = rocker_desc_head_get(&rocker_port->tx_ring); | |
4090 | if (unlikely(!desc_info)) { | |
4091 | if (net_ratelimit()) | |
4092 | netdev_err(dev, "tx ring full when queue awake\n"); | |
4093 | return NETDEV_TX_BUSY; | |
4094 | } | |
4095 | ||
4096 | rocker_desc_cookie_ptr_set(desc_info, skb); | |
4097 | ||
4098 | frags = rocker_tlv_nest_start(desc_info, ROCKER_TLV_TX_FRAGS); | |
4099 | if (!frags) | |
4100 | goto out; | |
4101 | err = rocker_tx_desc_frag_map_put(rocker_port, desc_info, | |
4102 | skb->data, skb_headlen(skb)); | |
4103 | if (err) | |
4104 | goto nest_cancel; | |
4105 | if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX) | |
4106 | goto nest_cancel; | |
4107 | ||
4108 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
4109 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
4110 | ||
4111 | err = rocker_tx_desc_frag_map_put(rocker_port, desc_info, | |
4112 | skb_frag_address(frag), | |
4113 | skb_frag_size(frag)); | |
4114 | if (err) | |
4115 | goto unmap_frags; | |
4116 | } | |
4117 | rocker_tlv_nest_end(desc_info, frags); | |
4118 | ||
4119 | rocker_desc_gen_clear(desc_info); | |
4120 | rocker_desc_head_set(rocker, &rocker_port->tx_ring, desc_info); | |
4121 | ||
4122 | desc_info = rocker_desc_head_get(&rocker_port->tx_ring); | |
4123 | if (!desc_info) | |
4124 | netif_stop_queue(dev); | |
4125 | ||
4126 | return NETDEV_TX_OK; | |
4127 | ||
4128 | unmap_frags: | |
4129 | rocker_tx_desc_frags_unmap(rocker_port, desc_info); | |
4130 | nest_cancel: | |
4131 | rocker_tlv_nest_cancel(desc_info, frags); | |
4132 | out: | |
4133 | dev_kfree_skb(skb); | |
f2bbca51 DA |
4134 | dev->stats.tx_dropped++; |
4135 | ||
4b8ac966 JP |
4136 | return NETDEV_TX_OK; |
4137 | } | |
4138 | ||
4139 | static int rocker_port_set_mac_address(struct net_device *dev, void *p) | |
4140 | { | |
4141 | struct sockaddr *addr = p; | |
4142 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4143 | int err; | |
4144 | ||
4145 | if (!is_valid_ether_addr(addr->sa_data)) | |
4146 | return -EADDRNOTAVAIL; | |
4147 | ||
4148 | err = rocker_cmd_set_port_settings_macaddr(rocker_port, addr->sa_data); | |
4149 | if (err) | |
4150 | return err; | |
4151 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
4152 | return 0; | |
4153 | } | |
4154 | ||
db19170b DA |
4155 | static int rocker_port_get_phys_port_name(struct net_device *dev, |
4156 | char *buf, size_t len) | |
4157 | { | |
4158 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4159 | struct port_name name = { .buf = buf, .len = len }; | |
4160 | int err; | |
4161 | ||
179f9a25 | 4162 | err = rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
db19170b DA |
4163 | rocker_cmd_get_port_settings_prep, NULL, |
4164 | rocker_cmd_get_port_settings_phys_name_proc, | |
c4f20321 | 4165 | &name); |
db19170b DA |
4166 | |
4167 | return err ? -EOPNOTSUPP : 0; | |
4168 | } | |
4169 | ||
98237d43 SF |
4170 | static const struct net_device_ops rocker_port_netdev_ops = { |
4171 | .ndo_open = rocker_port_open, | |
4172 | .ndo_stop = rocker_port_stop, | |
4173 | .ndo_start_xmit = rocker_port_xmit, | |
4174 | .ndo_set_mac_address = rocker_port_set_mac_address, | |
85fdb956 | 4175 | .ndo_bridge_getlink = switchdev_port_bridge_getlink, |
fc8f40d8 | 4176 | .ndo_bridge_setlink = switchdev_port_bridge_setlink, |
54ba5a0b | 4177 | .ndo_bridge_dellink = switchdev_port_bridge_dellink, |
45d4122c SS |
4178 | .ndo_fdb_add = switchdev_port_fdb_add, |
4179 | .ndo_fdb_del = switchdev_port_fdb_del, | |
4180 | .ndo_fdb_dump = switchdev_port_fdb_dump, | |
db19170b | 4181 | .ndo_get_phys_port_name = rocker_port_get_phys_port_name, |
98237d43 SF |
4182 | }; |
4183 | ||
4184 | /******************** | |
4185 | * swdev interface | |
4186 | ********************/ | |
4187 | ||
f8e20a9f SF |
4188 | static int rocker_port_attr_get(struct net_device *dev, |
4189 | struct switchdev_attr *attr) | |
4b8ac966 | 4190 | { |
e5054643 SH |
4191 | const struct rocker_port *rocker_port = netdev_priv(dev); |
4192 | const struct rocker *rocker = rocker_port->rocker; | |
4b8ac966 | 4193 | |
f8e20a9f SF |
4194 | switch (attr->id) { |
4195 | case SWITCHDEV_ATTR_PORT_PARENT_ID: | |
42275bd8 SF |
4196 | attr->u.ppid.id_len = sizeof(rocker->hw.id); |
4197 | memcpy(&attr->u.ppid.id, &rocker->hw.id, attr->u.ppid.id_len); | |
f8e20a9f | 4198 | break; |
6004c867 | 4199 | case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS: |
42275bd8 | 4200 | attr->u.brport_flags = rocker_port->brport_flags; |
6004c867 | 4201 | break; |
f8e20a9f SF |
4202 | default: |
4203 | return -EOPNOTSUPP; | |
4204 | } | |
4205 | ||
4b8ac966 JP |
4206 | return 0; |
4207 | } | |
4208 | ||
e5054643 | 4209 | static void rocker_port_trans_abort(const struct rocker_port *rocker_port) |
c4f20321 SF |
4210 | { |
4211 | struct list_head *mem, *tmp; | |
4212 | ||
4213 | list_for_each_safe(mem, tmp, &rocker_port->trans_mem) { | |
4214 | list_del(mem); | |
4215 | kfree(mem); | |
4216 | } | |
4217 | } | |
4218 | ||
6004c867 SF |
4219 | static int rocker_port_brport_flags_set(struct rocker_port *rocker_port, |
4220 | enum switchdev_trans trans, | |
4221 | unsigned long brport_flags) | |
4222 | { | |
4223 | unsigned long orig_flags; | |
4224 | int err = 0; | |
4225 | ||
4226 | orig_flags = rocker_port->brport_flags; | |
4227 | rocker_port->brport_flags = brport_flags; | |
4228 | if ((orig_flags ^ rocker_port->brport_flags) & BR_LEARNING) | |
4229 | err = rocker_port_set_learning(rocker_port, trans); | |
4230 | ||
4231 | if (trans == SWITCHDEV_TRANS_PREPARE) | |
4232 | rocker_port->brport_flags = orig_flags; | |
4233 | ||
4234 | return err; | |
4235 | } | |
4236 | ||
c4f20321 SF |
4237 | static int rocker_port_attr_set(struct net_device *dev, |
4238 | struct switchdev_attr *attr) | |
4239 | { | |
4240 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4241 | int err = 0; | |
4242 | ||
4243 | switch (attr->trans) { | |
4244 | case SWITCHDEV_TRANS_PREPARE: | |
4245 | BUG_ON(!list_empty(&rocker_port->trans_mem)); | |
4246 | break; | |
4247 | case SWITCHDEV_TRANS_ABORT: | |
4248 | rocker_port_trans_abort(rocker_port); | |
4249 | return 0; | |
4250 | default: | |
4251 | break; | |
4252 | } | |
4253 | ||
4254 | switch (attr->id) { | |
35636062 | 4255 | case SWITCHDEV_ATTR_PORT_STP_STATE: |
ac28393e SF |
4256 | err = rocker_port_stp_update(rocker_port, attr->trans, |
4257 | ROCKER_OP_FLAG_NOWAIT, | |
42275bd8 | 4258 | attr->u.stp_state); |
35636062 | 4259 | break; |
6004c867 SF |
4260 | case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS: |
4261 | err = rocker_port_brport_flags_set(rocker_port, attr->trans, | |
42275bd8 | 4262 | attr->u.brport_flags); |
6004c867 | 4263 | break; |
c4f20321 SF |
4264 | default: |
4265 | err = -EOPNOTSUPP; | |
4266 | break; | |
4267 | } | |
4268 | ||
4269 | return err; | |
6c707945 SF |
4270 | } |
4271 | ||
9228ad26 SF |
4272 | static int rocker_port_vlan_add(struct rocker_port *rocker_port, |
4273 | enum switchdev_trans trans, u16 vid, u16 flags) | |
4274 | { | |
4275 | int err; | |
4276 | ||
4277 | /* XXX deal with flags for PVID and untagged */ | |
4278 | ||
4279 | err = rocker_port_vlan(rocker_port, trans, 0, vid); | |
4280 | if (err) | |
4281 | return err; | |
4282 | ||
cec04a60 SF |
4283 | err = rocker_port_router_mac(rocker_port, trans, 0, htons(vid)); |
4284 | if (err) | |
4285 | rocker_port_vlan(rocker_port, trans, | |
4286 | ROCKER_OP_FLAG_REMOVE, vid); | |
4287 | ||
4288 | return err; | |
9228ad26 SF |
4289 | } |
4290 | ||
4291 | static int rocker_port_vlans_add(struct rocker_port *rocker_port, | |
4292 | enum switchdev_trans trans, | |
e5054643 | 4293 | const struct switchdev_obj_vlan *vlan) |
9228ad26 SF |
4294 | { |
4295 | u16 vid; | |
4296 | int err; | |
4297 | ||
3e3a78b4 | 4298 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
9228ad26 SF |
4299 | err = rocker_port_vlan_add(rocker_port, trans, |
4300 | vid, vlan->flags); | |
4301 | if (err) | |
4302 | return err; | |
4303 | } | |
4304 | ||
4305 | return 0; | |
4306 | } | |
4307 | ||
45d4122c SS |
4308 | static int rocker_port_fdb_add(struct rocker_port *rocker_port, |
4309 | enum switchdev_trans trans, | |
e5054643 | 4310 | const struct switchdev_obj_fdb *fdb) |
45d4122c SS |
4311 | { |
4312 | __be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL); | |
4313 | int flags = 0; | |
4314 | ||
4315 | if (!rocker_port_is_bridged(rocker_port)) | |
4316 | return -EINVAL; | |
4317 | ||
4318 | return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags); | |
4319 | } | |
4320 | ||
9228ad26 SF |
4321 | static int rocker_port_obj_add(struct net_device *dev, |
4322 | struct switchdev_obj *obj) | |
4323 | { | |
4324 | struct rocker_port *rocker_port = netdev_priv(dev); | |
e5054643 | 4325 | const struct switchdev_obj_ipv4_fib *fib4; |
9228ad26 SF |
4326 | int err = 0; |
4327 | ||
4328 | switch (obj->trans) { | |
4329 | case SWITCHDEV_TRANS_PREPARE: | |
4330 | BUG_ON(!list_empty(&rocker_port->trans_mem)); | |
4331 | break; | |
4332 | case SWITCHDEV_TRANS_ABORT: | |
4333 | rocker_port_trans_abort(rocker_port); | |
4334 | return 0; | |
4335 | default: | |
4336 | break; | |
4337 | } | |
4338 | ||
4339 | switch (obj->id) { | |
4340 | case SWITCHDEV_OBJ_PORT_VLAN: | |
4341 | err = rocker_port_vlans_add(rocker_port, obj->trans, | |
42275bd8 | 4342 | &obj->u.vlan); |
9228ad26 | 4343 | break; |
58c2cb16 | 4344 | case SWITCHDEV_OBJ_IPV4_FIB: |
42275bd8 | 4345 | fib4 = &obj->u.ipv4_fib; |
58c2cb16 | 4346 | err = rocker_port_fib_ipv4(rocker_port, obj->trans, |
7a7ee531 | 4347 | htonl(fib4->dst), fib4->dst_len, |
58c2cb16 SF |
4348 | fib4->fi, fib4->tb_id, 0); |
4349 | break; | |
45d4122c SS |
4350 | case SWITCHDEV_OBJ_PORT_FDB: |
4351 | err = rocker_port_fdb_add(rocker_port, obj->trans, &obj->u.fdb); | |
4352 | break; | |
9228ad26 SF |
4353 | default: |
4354 | err = -EOPNOTSUPP; | |
4355 | break; | |
4356 | } | |
4357 | ||
4358 | return err; | |
4359 | } | |
4360 | ||
4361 | static int rocker_port_vlan_del(struct rocker_port *rocker_port, | |
4362 | u16 vid, u16 flags) | |
4363 | { | |
4364 | int err; | |
4365 | ||
4366 | err = rocker_port_router_mac(rocker_port, SWITCHDEV_TRANS_NONE, | |
4367 | ROCKER_OP_FLAG_REMOVE, htons(vid)); | |
4368 | if (err) | |
4369 | return err; | |
4370 | ||
4371 | return rocker_port_vlan(rocker_port, SWITCHDEV_TRANS_NONE, | |
4372 | ROCKER_OP_FLAG_REMOVE, vid); | |
4373 | } | |
4374 | ||
4375 | static int rocker_port_vlans_del(struct rocker_port *rocker_port, | |
e5054643 | 4376 | const struct switchdev_obj_vlan *vlan) |
9228ad26 SF |
4377 | { |
4378 | u16 vid; | |
4379 | int err; | |
4380 | ||
3e3a78b4 | 4381 | for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) { |
9228ad26 SF |
4382 | err = rocker_port_vlan_del(rocker_port, vid, vlan->flags); |
4383 | if (err) | |
4384 | return err; | |
4385 | } | |
4386 | ||
4387 | return 0; | |
4388 | } | |
4389 | ||
45d4122c SS |
4390 | static int rocker_port_fdb_del(struct rocker_port *rocker_port, |
4391 | enum switchdev_trans trans, | |
e5054643 | 4392 | const struct switchdev_obj_fdb *fdb) |
45d4122c SS |
4393 | { |
4394 | __be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL); | |
b4ad7baa | 4395 | int flags = ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_REMOVE; |
45d4122c SS |
4396 | |
4397 | if (!rocker_port_is_bridged(rocker_port)) | |
4398 | return -EINVAL; | |
4399 | ||
4400 | return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags); | |
4401 | } | |
4402 | ||
9228ad26 SF |
4403 | static int rocker_port_obj_del(struct net_device *dev, |
4404 | struct switchdev_obj *obj) | |
4405 | { | |
4406 | struct rocker_port *rocker_port = netdev_priv(dev); | |
e5054643 | 4407 | const struct switchdev_obj_ipv4_fib *fib4; |
9228ad26 SF |
4408 | int err = 0; |
4409 | ||
4410 | switch (obj->id) { | |
4411 | case SWITCHDEV_OBJ_PORT_VLAN: | |
42275bd8 | 4412 | err = rocker_port_vlans_del(rocker_port, &obj->u.vlan); |
9228ad26 | 4413 | break; |
58c2cb16 | 4414 | case SWITCHDEV_OBJ_IPV4_FIB: |
42275bd8 | 4415 | fib4 = &obj->u.ipv4_fib; |
58c2cb16 | 4416 | err = rocker_port_fib_ipv4(rocker_port, SWITCHDEV_TRANS_NONE, |
7a7ee531 SF |
4417 | htonl(fib4->dst), fib4->dst_len, |
4418 | fib4->fi, fib4->tb_id, | |
4419 | ROCKER_OP_FLAG_REMOVE); | |
58c2cb16 | 4420 | break; |
45d4122c SS |
4421 | case SWITCHDEV_OBJ_PORT_FDB: |
4422 | err = rocker_port_fdb_del(rocker_port, obj->trans, &obj->u.fdb); | |
4423 | break; | |
4424 | default: | |
4425 | err = -EOPNOTSUPP; | |
4426 | break; | |
4427 | } | |
4428 | ||
4429 | return err; | |
4430 | } | |
4431 | ||
e5054643 | 4432 | static int rocker_port_fdb_dump(const struct rocker_port *rocker_port, |
45d4122c SS |
4433 | struct switchdev_obj *obj) |
4434 | { | |
4435 | struct rocker *rocker = rocker_port->rocker; | |
4436 | struct switchdev_obj_fdb *fdb = &obj->u.fdb; | |
4437 | struct rocker_fdb_tbl_entry *found; | |
4438 | struct hlist_node *tmp; | |
4439 | unsigned long lock_flags; | |
4440 | int bkt; | |
4441 | int err = 0; | |
4442 | ||
4443 | spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); | |
4444 | hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) { | |
4445 | if (found->key.pport != rocker_port->pport) | |
4446 | continue; | |
4447 | fdb->addr = found->key.addr; | |
4448 | fdb->vid = rocker_port_vlan_to_vid(rocker_port, | |
4449 | found->key.vlan_id); | |
4450 | err = obj->cb(rocker_port->dev, obj); | |
4451 | if (err) | |
4452 | break; | |
4453 | } | |
4454 | spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); | |
4455 | ||
4456 | return err; | |
4457 | } | |
4458 | ||
7d4f8d87 SF |
4459 | static int rocker_port_vlan_dump(const struct rocker_port *rocker_port, |
4460 | struct switchdev_obj *obj) | |
4461 | { | |
4462 | struct switchdev_obj_vlan *vlan = &obj->u.vlan; | |
4463 | u16 vid; | |
4464 | int err = 0; | |
4465 | ||
4466 | for (vid = 1; vid < VLAN_N_VID; vid++) { | |
4467 | if (!test_bit(vid, rocker_port->vlan_bitmap)) | |
4468 | continue; | |
4469 | vlan->flags = 0; | |
4470 | if (rocker_vlan_id_is_internal(htons(vid))) | |
4471 | vlan->flags |= BRIDGE_VLAN_INFO_PVID; | |
4472 | vlan->vid_begin = vlan->vid_end = vid; | |
4473 | err = obj->cb(rocker_port->dev, obj); | |
4474 | if (err) | |
4475 | break; | |
4476 | } | |
4477 | ||
4478 | return err; | |
4479 | } | |
4480 | ||
45d4122c SS |
4481 | static int rocker_port_obj_dump(struct net_device *dev, |
4482 | struct switchdev_obj *obj) | |
4483 | { | |
e5054643 | 4484 | const struct rocker_port *rocker_port = netdev_priv(dev); |
45d4122c SS |
4485 | int err = 0; |
4486 | ||
4487 | switch (obj->id) { | |
4488 | case SWITCHDEV_OBJ_PORT_FDB: | |
4489 | err = rocker_port_fdb_dump(rocker_port, obj); | |
4490 | break; | |
7d4f8d87 SF |
4491 | case SWITCHDEV_OBJ_PORT_VLAN: |
4492 | err = rocker_port_vlan_dump(rocker_port, obj); | |
4493 | break; | |
9228ad26 SF |
4494 | default: |
4495 | err = -EOPNOTSUPP; | |
4496 | break; | |
4497 | } | |
4498 | ||
4499 | return err; | |
4500 | } | |
4501 | ||
9d47c0a2 | 4502 | static const struct switchdev_ops rocker_port_switchdev_ops = { |
f8e20a9f | 4503 | .switchdev_port_attr_get = rocker_port_attr_get, |
35636062 | 4504 | .switchdev_port_attr_set = rocker_port_attr_set, |
9228ad26 SF |
4505 | .switchdev_port_obj_add = rocker_port_obj_add, |
4506 | .switchdev_port_obj_del = rocker_port_obj_del, | |
45d4122c | 4507 | .switchdev_port_obj_dump = rocker_port_obj_dump, |
4b8ac966 JP |
4508 | }; |
4509 | ||
4510 | /******************** | |
4511 | * ethtool interface | |
4512 | ********************/ | |
4513 | ||
4514 | static int rocker_port_get_settings(struct net_device *dev, | |
4515 | struct ethtool_cmd *ecmd) | |
4516 | { | |
4517 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4518 | ||
4519 | return rocker_cmd_get_port_settings_ethtool(rocker_port, ecmd); | |
4520 | } | |
4521 | ||
4522 | static int rocker_port_set_settings(struct net_device *dev, | |
4523 | struct ethtool_cmd *ecmd) | |
4524 | { | |
4525 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4526 | ||
4527 | return rocker_cmd_set_port_settings_ethtool(rocker_port, ecmd); | |
4528 | } | |
4529 | ||
4530 | static void rocker_port_get_drvinfo(struct net_device *dev, | |
4531 | struct ethtool_drvinfo *drvinfo) | |
4532 | { | |
4533 | strlcpy(drvinfo->driver, rocker_driver_name, sizeof(drvinfo->driver)); | |
4534 | strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); | |
4535 | } | |
4536 | ||
9766e97a DA |
4537 | static struct rocker_port_stats { |
4538 | char str[ETH_GSTRING_LEN]; | |
4539 | int type; | |
4540 | } rocker_port_stats[] = { | |
4541 | { "rx_packets", ROCKER_TLV_CMD_PORT_STATS_RX_PKTS, }, | |
4542 | { "rx_bytes", ROCKER_TLV_CMD_PORT_STATS_RX_BYTES, }, | |
4543 | { "rx_dropped", ROCKER_TLV_CMD_PORT_STATS_RX_DROPPED, }, | |
4544 | { "rx_errors", ROCKER_TLV_CMD_PORT_STATS_RX_ERRORS, }, | |
4545 | ||
4546 | { "tx_packets", ROCKER_TLV_CMD_PORT_STATS_TX_PKTS, }, | |
4547 | { "tx_bytes", ROCKER_TLV_CMD_PORT_STATS_TX_BYTES, }, | |
4548 | { "tx_dropped", ROCKER_TLV_CMD_PORT_STATS_TX_DROPPED, }, | |
4549 | { "tx_errors", ROCKER_TLV_CMD_PORT_STATS_TX_ERRORS, }, | |
4550 | }; | |
4551 | ||
4552 | #define ROCKER_PORT_STATS_LEN ARRAY_SIZE(rocker_port_stats) | |
4553 | ||
4554 | static void rocker_port_get_strings(struct net_device *netdev, u32 stringset, | |
4555 | u8 *data) | |
4556 | { | |
4557 | u8 *p = data; | |
4558 | int i; | |
4559 | ||
4560 | switch (stringset) { | |
4561 | case ETH_SS_STATS: | |
4562 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); i++) { | |
4563 | memcpy(p, rocker_port_stats[i].str, ETH_GSTRING_LEN); | |
4564 | p += ETH_GSTRING_LEN; | |
4565 | } | |
4566 | break; | |
4567 | } | |
4568 | } | |
4569 | ||
4570 | static int | |
534ba6a8 | 4571 | rocker_cmd_get_port_stats_prep(const struct rocker_port *rocker_port, |
9766e97a DA |
4572 | struct rocker_desc_info *desc_info, |
4573 | void *priv) | |
4574 | { | |
4575 | struct rocker_tlv *cmd_stats; | |
4576 | ||
4577 | if (rocker_tlv_put_u16(desc_info, ROCKER_TLV_CMD_TYPE, | |
4578 | ROCKER_TLV_CMD_TYPE_GET_PORT_STATS)) | |
4579 | return -EMSGSIZE; | |
4580 | ||
4581 | cmd_stats = rocker_tlv_nest_start(desc_info, ROCKER_TLV_CMD_INFO); | |
4582 | if (!cmd_stats) | |
4583 | return -EMSGSIZE; | |
4584 | ||
4a6bb6d3 SF |
4585 | if (rocker_tlv_put_u32(desc_info, ROCKER_TLV_CMD_PORT_STATS_PPORT, |
4586 | rocker_port->pport)) | |
9766e97a DA |
4587 | return -EMSGSIZE; |
4588 | ||
4589 | rocker_tlv_nest_end(desc_info, cmd_stats); | |
4590 | ||
4591 | return 0; | |
4592 | } | |
4593 | ||
4594 | static int | |
534ba6a8 | 4595 | rocker_cmd_get_port_stats_ethtool_proc(const struct rocker_port *rocker_port, |
e5054643 | 4596 | const struct rocker_desc_info *desc_info, |
9766e97a DA |
4597 | void *priv) |
4598 | { | |
e5054643 SH |
4599 | const struct rocker_tlv *attrs[ROCKER_TLV_CMD_MAX + 1]; |
4600 | const struct rocker_tlv *stats_attrs[ROCKER_TLV_CMD_PORT_STATS_MAX + 1]; | |
4601 | const struct rocker_tlv *pattr; | |
4a6bb6d3 | 4602 | u32 pport; |
9766e97a DA |
4603 | u64 *data = priv; |
4604 | int i; | |
4605 | ||
4606 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_CMD_MAX, desc_info); | |
4607 | ||
4608 | if (!attrs[ROCKER_TLV_CMD_INFO]) | |
4609 | return -EIO; | |
4610 | ||
4611 | rocker_tlv_parse_nested(stats_attrs, ROCKER_TLV_CMD_PORT_STATS_MAX, | |
4612 | attrs[ROCKER_TLV_CMD_INFO]); | |
4613 | ||
4a6bb6d3 | 4614 | if (!stats_attrs[ROCKER_TLV_CMD_PORT_STATS_PPORT]) |
9766e97a DA |
4615 | return -EIO; |
4616 | ||
4a6bb6d3 SF |
4617 | pport = rocker_tlv_get_u32(stats_attrs[ROCKER_TLV_CMD_PORT_STATS_PPORT]); |
4618 | if (pport != rocker_port->pport) | |
9766e97a DA |
4619 | return -EIO; |
4620 | ||
4621 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); i++) { | |
4622 | pattr = stats_attrs[rocker_port_stats[i].type]; | |
4623 | if (!pattr) | |
4624 | continue; | |
4625 | ||
4626 | data[i] = rocker_tlv_get_u64(pattr); | |
4627 | } | |
4628 | ||
4629 | return 0; | |
4630 | } | |
4631 | ||
4632 | static int rocker_cmd_get_port_stats_ethtool(struct rocker_port *rocker_port, | |
4633 | void *priv) | |
4634 | { | |
179f9a25 | 4635 | return rocker_cmd_exec(rocker_port, SWITCHDEV_TRANS_NONE, 0, |
9766e97a DA |
4636 | rocker_cmd_get_port_stats_prep, NULL, |
4637 | rocker_cmd_get_port_stats_ethtool_proc, | |
c4f20321 | 4638 | priv); |
9766e97a DA |
4639 | } |
4640 | ||
4641 | static void rocker_port_get_stats(struct net_device *dev, | |
4642 | struct ethtool_stats *stats, u64 *data) | |
4643 | { | |
4644 | struct rocker_port *rocker_port = netdev_priv(dev); | |
4645 | ||
4646 | if (rocker_cmd_get_port_stats_ethtool(rocker_port, data) != 0) { | |
4647 | int i; | |
4648 | ||
4649 | for (i = 0; i < ARRAY_SIZE(rocker_port_stats); ++i) | |
4650 | data[i] = 0; | |
4651 | } | |
9766e97a DA |
4652 | } |
4653 | ||
4654 | static int rocker_port_get_sset_count(struct net_device *netdev, int sset) | |
4655 | { | |
4656 | switch (sset) { | |
4657 | case ETH_SS_STATS: | |
4658 | return ROCKER_PORT_STATS_LEN; | |
4659 | default: | |
4660 | return -EOPNOTSUPP; | |
4661 | } | |
4662 | } | |
4663 | ||
4b8ac966 JP |
4664 | static const struct ethtool_ops rocker_port_ethtool_ops = { |
4665 | .get_settings = rocker_port_get_settings, | |
4666 | .set_settings = rocker_port_set_settings, | |
4667 | .get_drvinfo = rocker_port_get_drvinfo, | |
4668 | .get_link = ethtool_op_get_link, | |
9766e97a DA |
4669 | .get_strings = rocker_port_get_strings, |
4670 | .get_ethtool_stats = rocker_port_get_stats, | |
4671 | .get_sset_count = rocker_port_get_sset_count, | |
4b8ac966 JP |
4672 | }; |
4673 | ||
4674 | /***************** | |
4675 | * NAPI interface | |
4676 | *****************/ | |
4677 | ||
4678 | static struct rocker_port *rocker_port_napi_tx_get(struct napi_struct *napi) | |
4679 | { | |
4680 | return container_of(napi, struct rocker_port, napi_tx); | |
4681 | } | |
4682 | ||
4683 | static int rocker_port_poll_tx(struct napi_struct *napi, int budget) | |
4684 | { | |
4685 | struct rocker_port *rocker_port = rocker_port_napi_tx_get(napi); | |
e5054643 SH |
4686 | const struct rocker *rocker = rocker_port->rocker; |
4687 | const struct rocker_desc_info *desc_info; | |
4b8ac966 JP |
4688 | u32 credits = 0; |
4689 | int err; | |
4690 | ||
4691 | /* Cleanup tx descriptors */ | |
4692 | while ((desc_info = rocker_desc_tail_get(&rocker_port->tx_ring))) { | |
f2bbca51 DA |
4693 | struct sk_buff *skb; |
4694 | ||
4b8ac966 JP |
4695 | err = rocker_desc_err(desc_info); |
4696 | if (err && net_ratelimit()) | |
4697 | netdev_err(rocker_port->dev, "tx desc received with err %d\n", | |
4698 | err); | |
4699 | rocker_tx_desc_frags_unmap(rocker_port, desc_info); | |
f2bbca51 DA |
4700 | |
4701 | skb = rocker_desc_cookie_ptr_get(desc_info); | |
4702 | if (err == 0) { | |
4703 | rocker_port->dev->stats.tx_packets++; | |
4704 | rocker_port->dev->stats.tx_bytes += skb->len; | |
4725ceb9 | 4705 | } else { |
f2bbca51 | 4706 | rocker_port->dev->stats.tx_errors++; |
4725ceb9 | 4707 | } |
f2bbca51 DA |
4708 | |
4709 | dev_kfree_skb_any(skb); | |
4b8ac966 JP |
4710 | credits++; |
4711 | } | |
4712 | ||
4713 | if (credits && netif_queue_stopped(rocker_port->dev)) | |
4714 | netif_wake_queue(rocker_port->dev); | |
4715 | ||
4716 | napi_complete(napi); | |
4717 | rocker_dma_ring_credits_set(rocker, &rocker_port->tx_ring, credits); | |
4718 | ||
4719 | return 0; | |
4720 | } | |
4721 | ||
e5054643 SH |
4722 | static int rocker_port_rx_proc(const struct rocker *rocker, |
4723 | const struct rocker_port *rocker_port, | |
4b8ac966 JP |
4724 | struct rocker_desc_info *desc_info) |
4725 | { | |
e5054643 | 4726 | const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1]; |
4b8ac966 JP |
4727 | struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info); |
4728 | size_t rx_len; | |
4729 | ||
4730 | if (!skb) | |
4731 | return -ENOENT; | |
4732 | ||
4733 | rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info); | |
4734 | if (!attrs[ROCKER_TLV_RX_FRAG_LEN]) | |
4735 | return -EINVAL; | |
4736 | ||
4737 | rocker_dma_rx_ring_skb_unmap(rocker, attrs); | |
4738 | ||
4739 | rx_len = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FRAG_LEN]); | |
4740 | skb_put(skb, rx_len); | |
4741 | skb->protocol = eth_type_trans(skb, rocker_port->dev); | |
f2bbca51 DA |
4742 | |
4743 | rocker_port->dev->stats.rx_packets++; | |
4744 | rocker_port->dev->stats.rx_bytes += skb->len; | |
4745 | ||
4b8ac966 JP |
4746 | netif_receive_skb(skb); |
4747 | ||
534ba6a8 | 4748 | return rocker_dma_rx_ring_skb_alloc(rocker_port, desc_info); |
4b8ac966 JP |
4749 | } |
4750 | ||
4751 | static struct rocker_port *rocker_port_napi_rx_get(struct napi_struct *napi) | |
4752 | { | |
4753 | return container_of(napi, struct rocker_port, napi_rx); | |
4754 | } | |
4755 | ||
4756 | static int rocker_port_poll_rx(struct napi_struct *napi, int budget) | |
4757 | { | |
4758 | struct rocker_port *rocker_port = rocker_port_napi_rx_get(napi); | |
e5054643 | 4759 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4760 | struct rocker_desc_info *desc_info; |
4761 | u32 credits = 0; | |
4762 | int err; | |
4763 | ||
4764 | /* Process rx descriptors */ | |
4765 | while (credits < budget && | |
4766 | (desc_info = rocker_desc_tail_get(&rocker_port->rx_ring))) { | |
4767 | err = rocker_desc_err(desc_info); | |
4768 | if (err) { | |
4769 | if (net_ratelimit()) | |
4770 | netdev_err(rocker_port->dev, "rx desc received with err %d\n", | |
4771 | err); | |
4772 | } else { | |
4773 | err = rocker_port_rx_proc(rocker, rocker_port, | |
4774 | desc_info); | |
4775 | if (err && net_ratelimit()) | |
4776 | netdev_err(rocker_port->dev, "rx processing failed with err %d\n", | |
4777 | err); | |
4778 | } | |
f2bbca51 DA |
4779 | if (err) |
4780 | rocker_port->dev->stats.rx_errors++; | |
4781 | ||
4b8ac966 JP |
4782 | rocker_desc_gen_clear(desc_info); |
4783 | rocker_desc_head_set(rocker, &rocker_port->rx_ring, desc_info); | |
4784 | credits++; | |
4785 | } | |
4786 | ||
4787 | if (credits < budget) | |
4788 | napi_complete(napi); | |
4789 | ||
4790 | rocker_dma_ring_credits_set(rocker, &rocker_port->rx_ring, credits); | |
4791 | ||
4792 | return credits; | |
4793 | } | |
4794 | ||
4795 | /***************** | |
4796 | * PCI driver ops | |
4797 | *****************/ | |
4798 | ||
e5054643 | 4799 | static void rocker_carrier_init(const struct rocker_port *rocker_port) |
4b8ac966 | 4800 | { |
e5054643 | 4801 | const struct rocker *rocker = rocker_port->rocker; |
4b8ac966 JP |
4802 | u64 link_status = rocker_read64(rocker, PORT_PHYS_LINK_STATUS); |
4803 | bool link_up; | |
4804 | ||
4a6bb6d3 | 4805 | link_up = link_status & (1 << rocker_port->pport); |
4b8ac966 JP |
4806 | if (link_up) |
4807 | netif_carrier_on(rocker_port->dev); | |
4808 | else | |
4809 | netif_carrier_off(rocker_port->dev); | |
4810 | } | |
4811 | ||
e5054643 | 4812 | static void rocker_remove_ports(const struct rocker *rocker) |
4b8ac966 | 4813 | { |
9f6bbf7c | 4814 | struct rocker_port *rocker_port; |
4b8ac966 JP |
4815 | int i; |
4816 | ||
9f6bbf7c SF |
4817 | for (i = 0; i < rocker->port_count; i++) { |
4818 | rocker_port = rocker->ports[i]; | |
a0720310 SF |
4819 | if (!rocker_port) |
4820 | continue; | |
c4f20321 SF |
4821 | rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, |
4822 | ROCKER_OP_FLAG_REMOVE); | |
9f6bbf7c SF |
4823 | unregister_netdev(rocker_port->dev); |
4824 | } | |
4b8ac966 JP |
4825 | kfree(rocker->ports); |
4826 | } | |
4827 | ||
534ba6a8 | 4828 | static void rocker_port_dev_addr_init(struct rocker_port *rocker_port) |
4b8ac966 | 4829 | { |
534ba6a8 | 4830 | const struct rocker *rocker = rocker_port->rocker; |
e5054643 | 4831 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
4832 | int err; |
4833 | ||
4834 | err = rocker_cmd_get_port_settings_macaddr(rocker_port, | |
4835 | rocker_port->dev->dev_addr); | |
4836 | if (err) { | |
4837 | dev_warn(&pdev->dev, "failed to get mac address, using random\n"); | |
4838 | eth_hw_addr_random(rocker_port->dev); | |
4839 | } | |
4840 | } | |
4841 | ||
4842 | static int rocker_probe_port(struct rocker *rocker, unsigned int port_number) | |
4843 | { | |
e5054643 | 4844 | const struct pci_dev *pdev = rocker->pdev; |
4b8ac966 JP |
4845 | struct rocker_port *rocker_port; |
4846 | struct net_device *dev; | |
bcfd7801 | 4847 | u16 untagged_vid = 0; |
4b8ac966 JP |
4848 | int err; |
4849 | ||
4850 | dev = alloc_etherdev(sizeof(struct rocker_port)); | |
4851 | if (!dev) | |
4852 | return -ENOMEM; | |
4853 | rocker_port = netdev_priv(dev); | |
4854 | rocker_port->dev = dev; | |
4855 | rocker_port->rocker = rocker; | |
4856 | rocker_port->port_number = port_number; | |
4a6bb6d3 | 4857 | rocker_port->pport = port_number + 1; |
5111f80c | 4858 | rocker_port->brport_flags = BR_LEARNING | BR_LEARNING_SYNC; |
c4f20321 | 4859 | INIT_LIST_HEAD(&rocker_port->trans_mem); |
4b8ac966 | 4860 | |
534ba6a8 | 4861 | rocker_port_dev_addr_init(rocker_port); |
4b8ac966 JP |
4862 | dev->netdev_ops = &rocker_port_netdev_ops; |
4863 | dev->ethtool_ops = &rocker_port_ethtool_ops; | |
9d47c0a2 | 4864 | dev->switchdev_ops = &rocker_port_switchdev_ops; |
4b8ac966 JP |
4865 | netif_napi_add(dev, &rocker_port->napi_tx, rocker_port_poll_tx, |
4866 | NAPI_POLL_WEIGHT); | |
4867 | netif_napi_add(dev, &rocker_port->napi_rx, rocker_port_poll_rx, | |
4868 | NAPI_POLL_WEIGHT); | |
4869 | rocker_carrier_init(rocker_port); | |
4870 | ||
2aa2ed08 | 4871 | dev->features |= NETIF_F_NETNS_LOCAL; |
4b8ac966 JP |
4872 | |
4873 | err = register_netdev(dev); | |
4874 | if (err) { | |
4875 | dev_err(&pdev->dev, "register_netdev failed\n"); | |
4876 | goto err_register_netdev; | |
4877 | } | |
4878 | rocker->ports[port_number] = rocker_port; | |
4879 | ||
c4f20321 | 4880 | rocker_port_set_learning(rocker_port, SWITCHDEV_TRANS_NONE); |
5111f80c | 4881 | |
c4f20321 | 4882 | err = rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, 0); |
9f6bbf7c SF |
4883 | if (err) { |
4884 | dev_err(&pdev->dev, "install ig port table failed\n"); | |
4885 | goto err_port_ig_tbl; | |
4886 | } | |
4887 | ||
bcfd7801 SF |
4888 | rocker_port->internal_vlan_id = |
4889 | rocker_port_internal_vlan_id_get(rocker_port, dev->ifindex); | |
4890 | ||
4891 | err = rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE, | |
4892 | untagged_vid, 0); | |
4893 | if (err) { | |
4894 | netdev_err(rocker_port->dev, "install untagged VLAN failed\n"); | |
4895 | goto err_untagged_vlan; | |
4896 | } | |
4897 | ||
4b8ac966 JP |
4898 | return 0; |
4899 | ||
bcfd7801 SF |
4900 | err_untagged_vlan: |
4901 | rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, | |
4902 | ROCKER_OP_FLAG_REMOVE); | |
9f6bbf7c SF |
4903 | err_port_ig_tbl: |
4904 | unregister_netdev(dev); | |
4b8ac966 JP |
4905 | err_register_netdev: |
4906 | free_netdev(dev); | |
4907 | return err; | |
4908 | } | |
4909 | ||
4910 | static int rocker_probe_ports(struct rocker *rocker) | |
4911 | { | |
4912 | int i; | |
4913 | size_t alloc_size; | |
4914 | int err; | |
4915 | ||
4916 | alloc_size = sizeof(struct rocker_port *) * rocker->port_count; | |
27b808cb | 4917 | rocker->ports = kzalloc(alloc_size, GFP_KERNEL); |
e65ad3be DC |
4918 | if (!rocker->ports) |
4919 | return -ENOMEM; | |
4b8ac966 JP |
4920 | for (i = 0; i < rocker->port_count; i++) { |
4921 | err = rocker_probe_port(rocker, i); | |
4922 | if (err) | |
4923 | goto remove_ports; | |
4924 | } | |
4925 | return 0; | |
4926 | ||
4927 | remove_ports: | |
4928 | rocker_remove_ports(rocker); | |
4929 | return err; | |
4930 | } | |
4931 | ||
4932 | static int rocker_msix_init(struct rocker *rocker) | |
4933 | { | |
4934 | struct pci_dev *pdev = rocker->pdev; | |
4935 | int msix_entries; | |
4936 | int i; | |
4937 | int err; | |
4938 | ||
4939 | msix_entries = pci_msix_vec_count(pdev); | |
4940 | if (msix_entries < 0) | |
4941 | return msix_entries; | |
4942 | ||
4943 | if (msix_entries != ROCKER_MSIX_VEC_COUNT(rocker->port_count)) | |
4944 | return -EINVAL; | |
4945 | ||
4946 | rocker->msix_entries = kmalloc_array(msix_entries, | |
4947 | sizeof(struct msix_entry), | |
4948 | GFP_KERNEL); | |
4949 | if (!rocker->msix_entries) | |
4950 | return -ENOMEM; | |
4951 | ||
4952 | for (i = 0; i < msix_entries; i++) | |
4953 | rocker->msix_entries[i].entry = i; | |
4954 | ||
4955 | err = pci_enable_msix_exact(pdev, rocker->msix_entries, msix_entries); | |
4956 | if (err < 0) | |
4957 | goto err_enable_msix; | |
4958 | ||
4959 | return 0; | |
4960 | ||
4961 | err_enable_msix: | |
4962 | kfree(rocker->msix_entries); | |
4963 | return err; | |
4964 | } | |
4965 | ||
e5054643 | 4966 | static void rocker_msix_fini(const struct rocker *rocker) |
4b8ac966 JP |
4967 | { |
4968 | pci_disable_msix(rocker->pdev); | |
4969 | kfree(rocker->msix_entries); | |
4970 | } | |
4971 | ||
4972 | static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
4973 | { | |
4974 | struct rocker *rocker; | |
4975 | int err; | |
4976 | ||
4977 | rocker = kzalloc(sizeof(*rocker), GFP_KERNEL); | |
4978 | if (!rocker) | |
4979 | return -ENOMEM; | |
4980 | ||
4981 | err = pci_enable_device(pdev); | |
4982 | if (err) { | |
4983 | dev_err(&pdev->dev, "pci_enable_device failed\n"); | |
4984 | goto err_pci_enable_device; | |
4985 | } | |
4986 | ||
4987 | err = pci_request_regions(pdev, rocker_driver_name); | |
4988 | if (err) { | |
4989 | dev_err(&pdev->dev, "pci_request_regions failed\n"); | |
4990 | goto err_pci_request_regions; | |
4991 | } | |
4992 | ||
4993 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
4994 | if (!err) { | |
4995 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
4996 | if (err) { | |
4997 | dev_err(&pdev->dev, "pci_set_consistent_dma_mask failed\n"); | |
4998 | goto err_pci_set_dma_mask; | |
4999 | } | |
5000 | } else { | |
5001 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
5002 | if (err) { | |
5003 | dev_err(&pdev->dev, "pci_set_dma_mask failed\n"); | |
5004 | goto err_pci_set_dma_mask; | |
5005 | } | |
5006 | } | |
5007 | ||
5008 | if (pci_resource_len(pdev, 0) < ROCKER_PCI_BAR0_SIZE) { | |
5009 | dev_err(&pdev->dev, "invalid PCI region size\n"); | |
3122a92e | 5010 | err = -EINVAL; |
4b8ac966 JP |
5011 | goto err_pci_resource_len_check; |
5012 | } | |
5013 | ||
5014 | rocker->hw_addr = ioremap(pci_resource_start(pdev, 0), | |
5015 | pci_resource_len(pdev, 0)); | |
5016 | if (!rocker->hw_addr) { | |
5017 | dev_err(&pdev->dev, "ioremap failed\n"); | |
5018 | err = -EIO; | |
5019 | goto err_ioremap; | |
5020 | } | |
5021 | pci_set_master(pdev); | |
5022 | ||
5023 | rocker->pdev = pdev; | |
5024 | pci_set_drvdata(pdev, rocker); | |
5025 | ||
5026 | rocker->port_count = rocker_read32(rocker, PORT_PHYS_COUNT); | |
5027 | ||
5028 | err = rocker_msix_init(rocker); | |
5029 | if (err) { | |
5030 | dev_err(&pdev->dev, "MSI-X init failed\n"); | |
5031 | goto err_msix_init; | |
5032 | } | |
5033 | ||
5034 | err = rocker_basic_hw_test(rocker); | |
5035 | if (err) { | |
5036 | dev_err(&pdev->dev, "basic hw test failed\n"); | |
5037 | goto err_basic_hw_test; | |
5038 | } | |
5039 | ||
5040 | rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); | |
5041 | ||
5042 | err = rocker_dma_rings_init(rocker); | |
5043 | if (err) | |
5044 | goto err_dma_rings_init; | |
5045 | ||
5046 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), | |
5047 | rocker_cmd_irq_handler, 0, | |
5048 | rocker_driver_name, rocker); | |
5049 | if (err) { | |
5050 | dev_err(&pdev->dev, "cannot assign cmd irq\n"); | |
5051 | goto err_request_cmd_irq; | |
5052 | } | |
5053 | ||
5054 | err = request_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), | |
5055 | rocker_event_irq_handler, 0, | |
5056 | rocker_driver_name, rocker); | |
5057 | if (err) { | |
5058 | dev_err(&pdev->dev, "cannot assign event irq\n"); | |
5059 | goto err_request_event_irq; | |
5060 | } | |
5061 | ||
5062 | rocker->hw.id = rocker_read64(rocker, SWITCH_ID); | |
5063 | ||
9f6bbf7c SF |
5064 | err = rocker_init_tbls(rocker); |
5065 | if (err) { | |
5066 | dev_err(&pdev->dev, "cannot init rocker tables\n"); | |
5067 | goto err_init_tbls; | |
5068 | } | |
5069 | ||
4b8ac966 JP |
5070 | err = rocker_probe_ports(rocker); |
5071 | if (err) { | |
5072 | dev_err(&pdev->dev, "failed to probe ports\n"); | |
5073 | goto err_probe_ports; | |
5074 | } | |
5075 | ||
5076 | dev_info(&pdev->dev, "Rocker switch with id %016llx\n", rocker->hw.id); | |
5077 | ||
5078 | return 0; | |
5079 | ||
5080 | err_probe_ports: | |
9f6bbf7c SF |
5081 | rocker_free_tbls(rocker); |
5082 | err_init_tbls: | |
4b8ac966 JP |
5083 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); |
5084 | err_request_event_irq: | |
5085 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), rocker); | |
5086 | err_request_cmd_irq: | |
5087 | rocker_dma_rings_fini(rocker); | |
5088 | err_dma_rings_init: | |
5089 | err_basic_hw_test: | |
5090 | rocker_msix_fini(rocker); | |
5091 | err_msix_init: | |
5092 | iounmap(rocker->hw_addr); | |
5093 | err_ioremap: | |
5094 | err_pci_resource_len_check: | |
5095 | err_pci_set_dma_mask: | |
5096 | pci_release_regions(pdev); | |
5097 | err_pci_request_regions: | |
5098 | pci_disable_device(pdev); | |
5099 | err_pci_enable_device: | |
5100 | kfree(rocker); | |
5101 | return err; | |
5102 | } | |
5103 | ||
5104 | static void rocker_remove(struct pci_dev *pdev) | |
5105 | { | |
5106 | struct rocker *rocker = pci_get_drvdata(pdev); | |
5107 | ||
9f6bbf7c | 5108 | rocker_free_tbls(rocker); |
4b8ac966 JP |
5109 | rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); |
5110 | rocker_remove_ports(rocker); | |
5111 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); | |
5112 | free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_CMD), rocker); | |
5113 | rocker_dma_rings_fini(rocker); | |
5114 | rocker_msix_fini(rocker); | |
5115 | iounmap(rocker->hw_addr); | |
5116 | pci_release_regions(rocker->pdev); | |
5117 | pci_disable_device(rocker->pdev); | |
5118 | kfree(rocker); | |
5119 | } | |
5120 | ||
5121 | static struct pci_driver rocker_pci_driver = { | |
5122 | .name = rocker_driver_name, | |
5123 | .id_table = rocker_pci_id_table, | |
5124 | .probe = rocker_probe, | |
5125 | .remove = rocker_remove, | |
5126 | }; | |
5127 | ||
6c707945 SF |
5128 | /************************************ |
5129 | * Net device notifier event handler | |
5130 | ************************************/ | |
5131 | ||
e5054643 | 5132 | static bool rocker_port_dev_check(const struct net_device *dev) |
6c707945 SF |
5133 | { |
5134 | return dev->netdev_ops == &rocker_port_netdev_ops; | |
5135 | } | |
5136 | ||
5137 | static int rocker_port_bridge_join(struct rocker_port *rocker_port, | |
5138 | struct net_device *bridge) | |
5139 | { | |
027e00dc | 5140 | u16 untagged_vid = 0; |
6c707945 SF |
5141 | int err; |
5142 | ||
027e00dc SF |
5143 | /* Port is joining bridge, so the internal VLAN for the |
5144 | * port is going to change to the bridge internal VLAN. | |
5145 | * Let's remove untagged VLAN (vid=0) from port and | |
5146 | * re-add once internal VLAN has changed. | |
5147 | */ | |
6c707945 | 5148 | |
027e00dc | 5149 | err = rocker_port_vlan_del(rocker_port, untagged_vid, 0); |
6c707945 SF |
5150 | if (err) |
5151 | return err; | |
027e00dc SF |
5152 | |
5153 | rocker_port_internal_vlan_id_put(rocker_port, | |
5154 | rocker_port->dev->ifindex); | |
6c707945 | 5155 | rocker_port->internal_vlan_id = |
df6a2067 | 5156 | rocker_port_internal_vlan_id_get(rocker_port, bridge->ifindex); |
027e00dc SF |
5157 | |
5158 | rocker_port->bridge_dev = bridge; | |
5159 | ||
5160 | return rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE, | |
5161 | untagged_vid, 0); | |
6c707945 SF |
5162 | } |
5163 | ||
5164 | static int rocker_port_bridge_leave(struct rocker_port *rocker_port) | |
5165 | { | |
027e00dc | 5166 | u16 untagged_vid = 0; |
6c707945 SF |
5167 | int err; |
5168 | ||
027e00dc | 5169 | err = rocker_port_vlan_del(rocker_port, untagged_vid, 0); |
6c707945 SF |
5170 | if (err) |
5171 | return err; | |
027e00dc SF |
5172 | |
5173 | rocker_port_internal_vlan_id_put(rocker_port, | |
5174 | rocker_port->bridge_dev->ifindex); | |
6c707945 SF |
5175 | rocker_port->internal_vlan_id = |
5176 | rocker_port_internal_vlan_id_get(rocker_port, | |
5177 | rocker_port->dev->ifindex); | |
027e00dc SF |
5178 | |
5179 | rocker_port->bridge_dev = NULL; | |
5180 | ||
5181 | err = rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE, | |
5182 | untagged_vid, 0); | |
e47172ab SF |
5183 | if (err) |
5184 | return err; | |
5185 | ||
5186 | if (rocker_port->dev->flags & IFF_UP) | |
179f9a25 SF |
5187 | err = rocker_port_fwd_enable(rocker_port, |
5188 | SWITCHDEV_TRANS_NONE, 0); | |
6c707945 SF |
5189 | |
5190 | return err; | |
5191 | } | |
5192 | ||
5193 | static int rocker_port_master_changed(struct net_device *dev) | |
5194 | { | |
5195 | struct rocker_port *rocker_port = netdev_priv(dev); | |
5196 | struct net_device *master = netdev_master_upper_dev_get(dev); | |
5197 | int err = 0; | |
5198 | ||
a6e95cc7 SH |
5199 | /* There are currently three cases handled here: |
5200 | * 1. Joining a bridge | |
5201 | * 2. Leaving a previously joined bridge | |
5202 | * 3. Other, e.g. being added to or removed from a bond or openvswitch, | |
5203 | * in which case nothing is done | |
5204 | */ | |
6c707945 SF |
5205 | if (master && master->rtnl_link_ops && |
5206 | !strcmp(master->rtnl_link_ops->kind, "bridge")) | |
5207 | err = rocker_port_bridge_join(rocker_port, master); | |
a6e95cc7 | 5208 | else if (rocker_port_is_bridged(rocker_port)) |
6c707945 SF |
5209 | err = rocker_port_bridge_leave(rocker_port); |
5210 | ||
5211 | return err; | |
5212 | } | |
5213 | ||
5214 | static int rocker_netdevice_event(struct notifier_block *unused, | |
5215 | unsigned long event, void *ptr) | |
5216 | { | |
5217 | struct net_device *dev; | |
5218 | int err; | |
5219 | ||
5220 | switch (event) { | |
5221 | case NETDEV_CHANGEUPPER: | |
5222 | dev = netdev_notifier_info_to_dev(ptr); | |
5223 | if (!rocker_port_dev_check(dev)) | |
5224 | return NOTIFY_DONE; | |
5225 | err = rocker_port_master_changed(dev); | |
5226 | if (err) | |
5227 | netdev_warn(dev, | |
5228 | "failed to reflect master change (err %d)\n", | |
5229 | err); | |
5230 | break; | |
5231 | } | |
5232 | ||
5233 | return NOTIFY_DONE; | |
5234 | } | |
5235 | ||
5236 | static struct notifier_block rocker_netdevice_nb __read_mostly = { | |
5237 | .notifier_call = rocker_netdevice_event, | |
5238 | }; | |
5239 | ||
c1beeef7 SF |
5240 | /************************************ |
5241 | * Net event notifier event handler | |
5242 | ************************************/ | |
5243 | ||
5244 | static int rocker_neigh_update(struct net_device *dev, struct neighbour *n) | |
5245 | { | |
5246 | struct rocker_port *rocker_port = netdev_priv(dev); | |
02a9fbfc SF |
5247 | int flags = (n->nud_state & NUD_VALID ? 0 : ROCKER_OP_FLAG_REMOVE) | |
5248 | ROCKER_OP_FLAG_NOWAIT; | |
c1beeef7 SF |
5249 | __be32 ip_addr = *(__be32 *)n->primary_key; |
5250 | ||
c4f20321 SF |
5251 | return rocker_port_ipv4_neigh(rocker_port, SWITCHDEV_TRANS_NONE, |
5252 | flags, ip_addr, n->ha); | |
c1beeef7 SF |
5253 | } |
5254 | ||
5255 | static int rocker_netevent_event(struct notifier_block *unused, | |
5256 | unsigned long event, void *ptr) | |
5257 | { | |
5258 | struct net_device *dev; | |
5259 | struct neighbour *n = ptr; | |
5260 | int err; | |
5261 | ||
5262 | switch (event) { | |
5263 | case NETEVENT_NEIGH_UPDATE: | |
5264 | if (n->tbl != &arp_tbl) | |
5265 | return NOTIFY_DONE; | |
5266 | dev = n->dev; | |
5267 | if (!rocker_port_dev_check(dev)) | |
5268 | return NOTIFY_DONE; | |
5269 | err = rocker_neigh_update(dev, n); | |
5270 | if (err) | |
5271 | netdev_warn(dev, | |
5272 | "failed to handle neigh update (err %d)\n", | |
5273 | err); | |
5274 | break; | |
5275 | } | |
5276 | ||
5277 | return NOTIFY_DONE; | |
5278 | } | |
5279 | ||
5280 | static struct notifier_block rocker_netevent_nb __read_mostly = { | |
5281 | .notifier_call = rocker_netevent_event, | |
5282 | }; | |
5283 | ||
4b8ac966 JP |
5284 | /*********************** |
5285 | * Module init and exit | |
5286 | ***********************/ | |
5287 | ||
5288 | static int __init rocker_module_init(void) | |
5289 | { | |
6c707945 SF |
5290 | int err; |
5291 | ||
5292 | register_netdevice_notifier(&rocker_netdevice_nb); | |
c1beeef7 | 5293 | register_netevent_notifier(&rocker_netevent_nb); |
6c707945 SF |
5294 | err = pci_register_driver(&rocker_pci_driver); |
5295 | if (err) | |
5296 | goto err_pci_register_driver; | |
5297 | return 0; | |
5298 | ||
5299 | err_pci_register_driver: | |
a076e6bf | 5300 | unregister_netevent_notifier(&rocker_netevent_nb); |
6c707945 SF |
5301 | unregister_netdevice_notifier(&rocker_netdevice_nb); |
5302 | return err; | |
4b8ac966 JP |
5303 | } |
5304 | ||
5305 | static void __exit rocker_module_exit(void) | |
5306 | { | |
c1beeef7 | 5307 | unregister_netevent_notifier(&rocker_netevent_nb); |
6c707945 | 5308 | unregister_netdevice_notifier(&rocker_netdevice_nb); |
4b8ac966 JP |
5309 | pci_unregister_driver(&rocker_pci_driver); |
5310 | } | |
5311 | ||
5312 | module_init(rocker_module_init); | |
5313 | module_exit(rocker_module_exit); | |
5314 | ||
5315 | MODULE_LICENSE("GPL v2"); | |
5316 | MODULE_AUTHOR("Jiri Pirko <jiri@resnulli.us>"); | |
5317 | MODULE_AUTHOR("Scott Feldman <sfeldma@gmail.com>"); | |
5318 | MODULE_DESCRIPTION("Rocker switch device driver"); | |
5319 | MODULE_DEVICE_TABLE(pci, rocker_pci_id_table); |