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>
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.
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>
19 #include <linux/hashtable.h>
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>
31 #include <linux/if_bridge.h>
32 #include <linux/bitops.h>
33 #include <linux/ctype.h>
34 #include <net/switchdev.h>
35 #include <net/rtnetlink.h>
36 #include <net/ip_fib.h>
37 #include <net/netevent.h>
39 #include <asm-generic/io-64-nonatomic-lo-hi.h>
40 #include <generated/utsrelease.h>
44 static const char rocker_driver_name
[] = "rocker";
46 static const struct pci_device_id rocker_pci_id_table
[] = {
47 {PCI_VDEVICE(REDHAT
, PCI_DEVICE_ID_REDHAT_ROCKER
), 0},
51 struct rocker_flow_tbl_key
{
53 enum rocker_of_dpa_table_id tbl_id
;
58 enum rocker_of_dpa_table_id goto_tbl
;
64 enum rocker_of_dpa_table_id goto_tbl
;
73 u8 eth_dst_mask
[ETH_ALEN
];
76 enum rocker_of_dpa_table_id goto_tbl
;
83 enum rocker_of_dpa_table_id goto_tbl
;
88 u8 eth_dst_mask
[ETH_ALEN
];
93 enum rocker_of_dpa_table_id goto_tbl
;
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
];
116 struct rocker_flow_tbl_entry
{
117 struct hlist_node entry
;
120 struct rocker_flow_tbl_key key
;
122 u32 key_crc32
; /* key */
125 struct rocker_group_tbl_entry
{
126 struct hlist_node entry
;
128 u32 group_id
; /* key */
136 u8 eth_src
[ETH_ALEN
];
137 u8 eth_dst
[ETH_ALEN
];
142 u8 eth_src
[ETH_ALEN
];
143 u8 eth_dst
[ETH_ALEN
];
151 struct rocker_fdb_tbl_entry
{
152 struct hlist_node entry
;
153 u32 key_crc32
; /* key */
155 struct rocker_fdb_tbl_key
{
162 struct rocker_internal_vlan_tbl_entry
{
163 struct hlist_node entry
;
164 int ifindex
; /* key */
169 struct rocker_neigh_tbl_entry
{
170 struct hlist_node entry
;
171 __be32 ip_addr
; /* key */
172 struct net_device
*dev
;
175 u8 eth_dst
[ETH_ALEN
];
179 struct rocker_desc_info
{
180 char *data
; /* mapped */
183 struct rocker_desc
*desc
;
187 struct rocker_dma_ring_info
{
191 struct rocker_desc
*desc
; /* mapped */
193 struct rocker_desc_info
*desc_info
;
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
,
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)
214 struct net_device
*dev
;
215 struct net_device
*bridge_dev
;
216 struct rocker
*rocker
;
217 unsigned int port_number
;
219 __be16 internal_vlan_id
;
222 bool ctrls
[ROCKER_CTRL_MAX
];
223 unsigned long vlan_bitmap
[ROCKER_VLAN_BITMAP_LEN
];
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
;
228 struct list_head trans_mem
;
232 struct pci_dev
*pdev
;
234 struct msix_entry
*msix_entries
;
235 unsigned int port_count
;
236 struct rocker_port
**ports
;
240 spinlock_t cmd_ring_lock
; /* for cmd ring accesses */
241 struct rocker_dma_ring_info cmd_ring
;
242 struct rocker_dma_ring_info event_ring
;
243 DECLARE_HASHTABLE(flow_tbl
, 16);
244 spinlock_t flow_tbl_lock
; /* for flow tbl accesses */
245 u64 flow_tbl_next_cookie
;
246 DECLARE_HASHTABLE(group_tbl
, 16);
247 spinlock_t group_tbl_lock
; /* for group tbl accesses */
248 DECLARE_HASHTABLE(fdb_tbl
, 16);
249 spinlock_t fdb_tbl_lock
; /* for fdb tbl accesses */
250 unsigned long internal_vlan_bitmap
[ROCKER_INTERNAL_VLAN_BITMAP_LEN
];
251 DECLARE_HASHTABLE(internal_vlan_tbl
, 8);
252 spinlock_t internal_vlan_tbl_lock
; /* for vlan tbl accesses */
253 DECLARE_HASHTABLE(neigh_tbl
, 16);
254 spinlock_t neigh_tbl_lock
; /* for neigh tbl accesses */
255 u32 neigh_tbl_next_index
;
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 };
268 /* Rocker priority levels for flow table entries. Higher
269 * priority match takes precedence over lower priority match.
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,
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,
289 static bool rocker_vlan_id_is_internal(__be16 vlan_id
)
291 u16 start
= ROCKER_INTERNAL_VLAN_ID_BASE
;
293 u16 _vlan_id
= ntohs(vlan_id
);
295 return (_vlan_id
>= start
&& _vlan_id
<= end
);
298 static __be16
rocker_port_vid_to_vlan(const struct rocker_port
*rocker_port
,
299 u16 vid
, bool *pop_vlan
)
305 vlan_id
= htons(vid
);
307 vlan_id
= rocker_port
->internal_vlan_id
;
315 static u16
rocker_port_vlan_to_vid(const struct rocker_port
*rocker_port
,
318 if (rocker_vlan_id_is_internal(vlan_id
))
321 return ntohs(vlan_id
);
324 static bool rocker_port_is_bridged(const struct rocker_port
*rocker_port
)
326 return !!rocker_port
->bridge_dev
;
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)
334 static void *__rocker_port_mem_alloc(struct rocker_port
*rocker_port
,
335 enum switchdev_trans trans
, int flags
,
338 struct list_head
*elem
= NULL
;
339 gfp_t gfp_flags
= (flags
& ROCKER_OP_FLAG_NOWAIT
) ?
340 GFP_ATOMIC
: GFP_KERNEL
;
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.
352 case SWITCHDEV_TRANS_PREPARE
:
353 elem
= kzalloc(size
+ sizeof(*elem
), gfp_flags
);
356 list_add_tail(elem
, &rocker_port
->trans_mem
);
358 case SWITCHDEV_TRANS_COMMIT
:
359 BUG_ON(list_empty(&rocker_port
->trans_mem
));
360 elem
= rocker_port
->trans_mem
.next
;
363 case SWITCHDEV_TRANS_NONE
:
364 elem
= kzalloc(size
+ sizeof(*elem
), gfp_flags
);
366 INIT_LIST_HEAD(elem
);
372 return elem
? elem
+ 1 : NULL
;
375 static void *rocker_port_kzalloc(struct rocker_port
*rocker_port
,
376 enum switchdev_trans trans
, int flags
,
379 return __rocker_port_mem_alloc(rocker_port
, trans
, flags
, size
);
382 static void *rocker_port_kcalloc(struct rocker_port
*rocker_port
,
383 enum switchdev_trans trans
, int flags
,
384 size_t n
, size_t size
)
386 return __rocker_port_mem_alloc(rocker_port
, trans
, flags
, n
* size
);
389 static void rocker_port_kfree(enum switchdev_trans trans
, const void *mem
)
391 struct list_head
*elem
;
393 /* Frees are ignored if in transaction prepare phase. The
394 * memory remains on the per-port list until freed in the
398 if (trans
== SWITCHDEV_TRANS_PREPARE
)
401 elem
= (struct list_head
*)mem
- 1;
402 BUG_ON(!list_empty(elem
));
407 wait_queue_head_t wait
;
412 static void rocker_wait_reset(struct rocker_wait
*wait
)
415 wait
->nowait
= false;
418 static void rocker_wait_init(struct rocker_wait
*wait
)
420 init_waitqueue_head(&wait
->wait
);
421 rocker_wait_reset(wait
);
424 static struct rocker_wait
*rocker_wait_create(struct rocker_port
*rocker_port
,
425 enum switchdev_trans trans
,
428 struct rocker_wait
*wait
;
430 wait
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*wait
));
433 rocker_wait_init(wait
);
437 static void rocker_wait_destroy(enum switchdev_trans trans
,
438 struct rocker_wait
*wait
)
440 rocker_port_kfree(trans
, wait
);
443 static bool rocker_wait_event_timeout(struct rocker_wait
*wait
,
444 unsigned long timeout
)
446 wait_event_timeout(wait
->wait
, wait
->done
, HZ
/ 10);
452 static void rocker_wait_wake_up(struct rocker_wait
*wait
)
455 wake_up(&wait
->wait
);
458 static u32
rocker_msix_vector(const struct rocker
*rocker
, unsigned int vector
)
460 return rocker
->msix_entries
[vector
].vector
;
463 static u32
rocker_msix_tx_vector(const struct rocker_port
*rocker_port
)
465 return rocker_msix_vector(rocker_port
->rocker
,
466 ROCKER_MSIX_VEC_TX(rocker_port
->port_number
));
469 static u32
rocker_msix_rx_vector(const struct rocker_port
*rocker_port
)
471 return rocker_msix_vector(rocker_port
->rocker
,
472 ROCKER_MSIX_VEC_RX(rocker_port
->port_number
));
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))
484 /*****************************
485 * HW basic testing functions
486 *****************************/
488 static int rocker_reg_test(const struct rocker
*rocker
)
490 const struct pci_dev
*pdev
= rocker
->pdev
;
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",
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",
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
)
523 const struct pci_dev
*pdev
= rocker
->pdev
;
526 rocker_wait_reset(wait
);
527 rocker_write32(rocker
, TEST_DMA_CTRL
, test_type
);
529 if (!rocker_wait_event_timeout(wait
, HZ
/ 10)) {
530 dev_err(&pdev
->dev
, "no interrupt received within a timeout\n");
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
]);
544 #define ROCKER_TEST_DMA_BUF_SIZE (PAGE_SIZE * 4)
545 #define ROCKER_TEST_DMA_FILL_PATTERN 0x96
547 static int rocker_dma_test_offset(const struct rocker
*rocker
,
548 struct rocker_wait
*wait
, int offset
)
550 struct pci_dev
*pdev
= rocker
->pdev
;
551 unsigned char *alloc
;
553 unsigned char *expect
;
554 dma_addr_t dma_handle
;
558 alloc
= kzalloc(ROCKER_TEST_DMA_BUF_SIZE
* 2 + offset
,
559 GFP_KERNEL
| GFP_DMA
);
562 buf
= alloc
+ offset
;
563 expect
= buf
+ ROCKER_TEST_DMA_BUF_SIZE
;
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
)) {
572 rocker_write64(rocker
, TEST_DMA_ADDR
, dma_handle
);
573 rocker_write32(rocker
, TEST_DMA_SIZE
, ROCKER_TEST_DMA_BUF_SIZE
);
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
);
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
);
589 prandom_bytes(buf
, ROCKER_TEST_DMA_BUF_SIZE
);
590 for (i
= 0; i
< ROCKER_TEST_DMA_BUF_SIZE
; 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
);
599 pci_unmap_single(pdev
, dma_handle
, ROCKER_TEST_DMA_BUF_SIZE
,
600 PCI_DMA_BIDIRECTIONAL
);
607 static int rocker_dma_test(const struct rocker
*rocker
,
608 struct rocker_wait
*wait
)
613 for (i
= 0; i
< 8; i
++) {
614 err
= rocker_dma_test_offset(rocker
, wait
, i
);
621 static irqreturn_t
rocker_test_irq_handler(int irq
, void *dev_id
)
623 struct rocker_wait
*wait
= dev_id
;
625 rocker_wait_wake_up(wait
);
630 static int rocker_basic_hw_test(const struct rocker
*rocker
)
632 const struct pci_dev
*pdev
= rocker
->pdev
;
633 struct rocker_wait wait
;
636 err
= rocker_reg_test(rocker
);
638 dev_err(&pdev
->dev
, "reg test failed\n");
642 err
= request_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_TEST
),
643 rocker_test_irq_handler
, 0,
644 rocker_driver_name
, &wait
);
646 dev_err(&pdev
->dev
, "cannot assign test irq\n");
650 rocker_wait_init(&wait
);
651 rocker_write32(rocker
, TEST_IRQ
, ROCKER_MSIX_VEC_TEST
);
653 if (!rocker_wait_event_timeout(&wait
, HZ
/ 10)) {
654 dev_err(&pdev
->dev
, "no interrupt received within a timeout\n");
659 err
= rocker_dma_test(rocker
, &wait
);
661 dev_err(&pdev
->dev
, "dma test failed\n");
664 free_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_TEST
), &wait
);
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))
677 /* <------- ROCKER_TLV_HDRLEN -------> <--- ROCKER_TLV_ALIGN(payload) --->
678 * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+
679 * | Header | Pad | Payload | Pad |
680 * | (struct rocker_tlv) | ing | | ing |
681 * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+
682 * <--------------------------- tlv->len -------------------------->
685 static struct rocker_tlv
*rocker_tlv_next(const struct rocker_tlv
*tlv
,
688 int totlen
= ROCKER_TLV_ALIGN(tlv
->len
);
690 *remaining
-= totlen
;
691 return (struct rocker_tlv
*) ((char *) tlv
+ totlen
);
694 static int rocker_tlv_ok(const struct rocker_tlv
*tlv
, int remaining
)
696 return remaining
>= (int) ROCKER_TLV_HDRLEN
&&
697 tlv
->len
>= ROCKER_TLV_HDRLEN
&&
698 tlv
->len
<= remaining
;
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)))
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)
710 static int rocker_tlv_attr_size(int payload
)
712 return ROCKER_TLV_HDRLEN
+ payload
;
715 static int rocker_tlv_total_size(int payload
)
717 return ROCKER_TLV_ALIGN(rocker_tlv_attr_size(payload
));
720 static int rocker_tlv_padlen(int payload
)
722 return rocker_tlv_total_size(payload
) - rocker_tlv_attr_size(payload
);
725 static int rocker_tlv_type(const struct rocker_tlv
*tlv
)
730 static void *rocker_tlv_data(const struct rocker_tlv
*tlv
)
732 return (char *) tlv
+ ROCKER_TLV_HDRLEN
;
735 static int rocker_tlv_len(const struct rocker_tlv
*tlv
)
737 return tlv
->len
- ROCKER_TLV_HDRLEN
;
740 static u8
rocker_tlv_get_u8(const struct rocker_tlv
*tlv
)
742 return *(u8
*) rocker_tlv_data(tlv
);
745 static u16
rocker_tlv_get_u16(const struct rocker_tlv
*tlv
)
747 return *(u16
*) rocker_tlv_data(tlv
);
750 static __be16
rocker_tlv_get_be16(const struct rocker_tlv
*tlv
)
752 return *(__be16
*) rocker_tlv_data(tlv
);
755 static u32
rocker_tlv_get_u32(const struct rocker_tlv
*tlv
)
757 return *(u32
*) rocker_tlv_data(tlv
);
760 static u64
rocker_tlv_get_u64(const struct rocker_tlv
*tlv
)
762 return *(u64
*) rocker_tlv_data(tlv
);
765 static void rocker_tlv_parse(const struct rocker_tlv
**tb
, int maxtype
,
766 const char *buf
, int buf_len
)
768 const struct rocker_tlv
*tlv
;
769 const struct rocker_tlv
*head
= (const struct rocker_tlv
*) buf
;
772 memset(tb
, 0, sizeof(struct rocker_tlv
*) * (maxtype
+ 1));
774 rocker_tlv_for_each(tlv
, head
, buf_len
, rem
) {
775 u32 type
= rocker_tlv_type(tlv
);
777 if (type
> 0 && type
<= maxtype
)
782 static void rocker_tlv_parse_nested(const struct rocker_tlv
**tb
, int maxtype
,
783 const struct rocker_tlv
*tlv
)
785 rocker_tlv_parse(tb
, maxtype
, rocker_tlv_data(tlv
),
786 rocker_tlv_len(tlv
));
789 static void rocker_tlv_parse_desc(const struct rocker_tlv
**tb
, int maxtype
,
790 const struct rocker_desc_info
*desc_info
)
792 rocker_tlv_parse(tb
, maxtype
, desc_info
->data
,
793 desc_info
->desc
->tlv_size
);
796 static struct rocker_tlv
*rocker_tlv_start(struct rocker_desc_info
*desc_info
)
798 return (struct rocker_tlv
*) ((char *) desc_info
->data
+
799 desc_info
->tlv_size
);
802 static int rocker_tlv_put(struct rocker_desc_info
*desc_info
,
803 int attrtype
, int attrlen
, const void *data
)
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
;
809 if (unlikely(tail_room
< total_size
))
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
));
821 static int rocker_tlv_put_u8(struct rocker_desc_info
*desc_info
,
822 int attrtype
, u8 value
)
824 return rocker_tlv_put(desc_info
, attrtype
, sizeof(u8
), &value
);
827 static int rocker_tlv_put_u16(struct rocker_desc_info
*desc_info
,
828 int attrtype
, u16 value
)
830 return rocker_tlv_put(desc_info
, attrtype
, sizeof(u16
), &value
);
833 static int rocker_tlv_put_be16(struct rocker_desc_info
*desc_info
,
834 int attrtype
, __be16 value
)
836 return rocker_tlv_put(desc_info
, attrtype
, sizeof(__be16
), &value
);
839 static int rocker_tlv_put_u32(struct rocker_desc_info
*desc_info
,
840 int attrtype
, u32 value
)
842 return rocker_tlv_put(desc_info
, attrtype
, sizeof(u32
), &value
);
845 static int rocker_tlv_put_be32(struct rocker_desc_info
*desc_info
,
846 int attrtype
, __be32 value
)
848 return rocker_tlv_put(desc_info
, attrtype
, sizeof(__be32
), &value
);
851 static int rocker_tlv_put_u64(struct rocker_desc_info
*desc_info
,
852 int attrtype
, u64 value
)
854 return rocker_tlv_put(desc_info
, attrtype
, sizeof(u64
), &value
);
857 static struct rocker_tlv
*
858 rocker_tlv_nest_start(struct rocker_desc_info
*desc_info
, int attrtype
)
860 struct rocker_tlv
*start
= rocker_tlv_start(desc_info
);
862 if (rocker_tlv_put(desc_info
, attrtype
, 0, NULL
) < 0)
868 static void rocker_tlv_nest_end(struct rocker_desc_info
*desc_info
,
869 struct rocker_tlv
*start
)
871 start
->len
= (char *) rocker_tlv_start(desc_info
) - (char *) start
;
874 static void rocker_tlv_nest_cancel(struct rocker_desc_info
*desc_info
,
875 const struct rocker_tlv
*start
)
877 desc_info
->tlv_size
= (const char *) start
- desc_info
->data
;
880 /******************************************
881 * DMA rings and descriptors manipulations
882 ******************************************/
884 static u32
__pos_inc(u32 pos
, size_t limit
)
886 return ++pos
== limit
? 0 : pos
;
889 static int rocker_desc_err(const struct rocker_desc_info
*desc_info
)
891 int err
= desc_info
->desc
->comp_err
& ~ROCKER_DMA_DESC_COMP_ERR_GEN
;
906 case -ROCKER_EMSGSIZE
:
908 case -ROCKER_ENOTSUP
:
910 case -ROCKER_ENOBUFS
:
917 static void rocker_desc_gen_clear(const struct rocker_desc_info
*desc_info
)
919 desc_info
->desc
->comp_err
&= ~ROCKER_DMA_DESC_COMP_ERR_GEN
;
922 static bool rocker_desc_gen(const struct rocker_desc_info
*desc_info
)
924 u32 comp_err
= desc_info
->desc
->comp_err
;
926 return comp_err
& ROCKER_DMA_DESC_COMP_ERR_GEN
? true : false;
929 static void *rocker_desc_cookie_ptr_get(const struct rocker_desc_info
*desc_info
)
931 return (void *)(uintptr_t)desc_info
->desc
->cookie
;
934 static void rocker_desc_cookie_ptr_set(const struct rocker_desc_info
*desc_info
,
937 desc_info
->desc
->cookie
= (uintptr_t) ptr
;
940 static struct rocker_desc_info
*
941 rocker_desc_head_get(const struct rocker_dma_ring_info
*info
)
943 static struct rocker_desc_info
*desc_info
;
944 u32 head
= __pos_inc(info
->head
, info
->size
);
946 desc_info
= &info
->desc_info
[info
->head
];
947 if (head
== info
->tail
)
948 return NULL
; /* ring full */
949 desc_info
->tlv_size
= 0;
953 static void rocker_desc_commit(const struct rocker_desc_info
*desc_info
)
955 desc_info
->desc
->buf_size
= desc_info
->data_size
;
956 desc_info
->desc
->tlv_size
= desc_info
->tlv_size
;
959 static void rocker_desc_head_set(const struct rocker
*rocker
,
960 struct rocker_dma_ring_info
*info
,
961 const struct rocker_desc_info
*desc_info
)
963 u32 head
= __pos_inc(info
->head
, info
->size
);
965 BUG_ON(head
== info
->tail
);
966 rocker_desc_commit(desc_info
);
968 rocker_write32(rocker
, DMA_DESC_HEAD(info
->type
), head
);
971 static struct rocker_desc_info
*
972 rocker_desc_tail_get(struct rocker_dma_ring_info
*info
)
974 static struct rocker_desc_info
*desc_info
;
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
;
986 static void rocker_dma_ring_credits_set(const struct rocker
*rocker
,
987 const struct rocker_dma_ring_info
*info
,
991 rocker_write32(rocker
, DMA_DESC_CREDITS(info
->type
), credits
);
994 static unsigned long rocker_dma_ring_size_fix(size_t size
)
996 return max(ROCKER_DMA_SIZE_MIN
,
997 min(roundup_pow_of_two(size
), ROCKER_DMA_SIZE_MAX
));
1000 static int rocker_dma_ring_create(const struct rocker
*rocker
,
1003 struct rocker_dma_ring_info
*info
)
1007 BUG_ON(size
!= rocker_dma_ring_size_fix(size
));
1012 info
->desc_info
= kcalloc(info
->size
, sizeof(*info
->desc_info
),
1014 if (!info
->desc_info
)
1017 info
->desc
= pci_alloc_consistent(rocker
->pdev
,
1018 info
->size
* sizeof(*info
->desc
),
1021 kfree(info
->desc_info
);
1025 for (i
= 0; i
< info
->size
; i
++)
1026 info
->desc_info
[i
].desc
= &info
->desc
[i
];
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
);
1036 static void rocker_dma_ring_destroy(const struct rocker
*rocker
,
1037 const struct rocker_dma_ring_info
*info
)
1039 rocker_write64(rocker
, DMA_DESC_ADDR(info
->type
), 0);
1041 pci_free_consistent(rocker
->pdev
,
1042 info
->size
* sizeof(struct rocker_desc
),
1043 info
->desc
, info
->mapaddr
);
1044 kfree(info
->desc_info
);
1047 static void rocker_dma_ring_pass_to_producer(const struct rocker
*rocker
,
1048 struct rocker_dma_ring_info
*info
)
1052 BUG_ON(info
->head
|| info
->tail
);
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.
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
]);
1062 static int rocker_dma_ring_bufs_alloc(const struct rocker
*rocker
,
1063 const struct rocker_dma_ring_info
*info
,
1064 int direction
, size_t buf_size
)
1066 struct pci_dev
*pdev
= rocker
->pdev
;
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
;
1076 buf
= kzalloc(buf_size
, GFP_KERNEL
| GFP_DMA
);
1082 dma_handle
= pci_map_single(pdev
, buf
, buf_size
, direction
);
1083 if (pci_dma_mapping_error(pdev
, dma_handle
)) {
1089 desc_info
->data
= buf
;
1090 desc_info
->data_size
= buf_size
;
1091 dma_unmap_addr_set(desc_info
, mapaddr
, dma_handle
);
1093 desc
->buf_addr
= dma_handle
;
1094 desc
->buf_size
= buf_size
;
1099 for (i
--; i
>= 0; i
--) {
1100 const struct rocker_desc_info
*desc_info
= &info
->desc_info
[i
];
1102 pci_unmap_single(pdev
, dma_unmap_addr(desc_info
, mapaddr
),
1103 desc_info
->data_size
, direction
);
1104 kfree(desc_info
->data
);
1109 static void rocker_dma_ring_bufs_free(const struct rocker
*rocker
,
1110 const struct rocker_dma_ring_info
*info
,
1113 struct pci_dev
*pdev
= rocker
->pdev
;
1116 for (i
= 0; i
< info
->size
; i
++) {
1117 const struct rocker_desc_info
*desc_info
= &info
->desc_info
[i
];
1118 struct rocker_desc
*desc
= &info
->desc
[i
];
1122 pci_unmap_single(pdev
, dma_unmap_addr(desc_info
, mapaddr
),
1123 desc_info
->data_size
, direction
);
1124 kfree(desc_info
->data
);
1128 static int rocker_dma_rings_init(struct rocker
*rocker
)
1130 const struct pci_dev
*pdev
= rocker
->pdev
;
1133 err
= rocker_dma_ring_create(rocker
, ROCKER_DMA_CMD
,
1134 ROCKER_DMA_CMD_DEFAULT_SIZE
,
1137 dev_err(&pdev
->dev
, "failed to create command dma ring\n");
1141 spin_lock_init(&rocker
->cmd_ring_lock
);
1143 err
= rocker_dma_ring_bufs_alloc(rocker
, &rocker
->cmd_ring
,
1144 PCI_DMA_BIDIRECTIONAL
, PAGE_SIZE
);
1146 dev_err(&pdev
->dev
, "failed to alloc command dma ring buffers\n");
1147 goto err_dma_cmd_ring_bufs_alloc
;
1150 err
= rocker_dma_ring_create(rocker
, ROCKER_DMA_EVENT
,
1151 ROCKER_DMA_EVENT_DEFAULT_SIZE
,
1152 &rocker
->event_ring
);
1154 dev_err(&pdev
->dev
, "failed to create event dma ring\n");
1155 goto err_dma_event_ring_create
;
1158 err
= rocker_dma_ring_bufs_alloc(rocker
, &rocker
->event_ring
,
1159 PCI_DMA_FROMDEVICE
, PAGE_SIZE
);
1161 dev_err(&pdev
->dev
, "failed to alloc event dma ring buffers\n");
1162 goto err_dma_event_ring_bufs_alloc
;
1164 rocker_dma_ring_pass_to_producer(rocker
, &rocker
->event_ring
);
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
);
1177 static void rocker_dma_rings_fini(struct rocker
*rocker
)
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
);
1187 static int rocker_dma_rx_ring_skb_map(const struct rocker_port
*rocker_port
,
1188 struct rocker_desc_info
*desc_info
,
1189 struct sk_buff
*skb
, size_t buf_len
)
1191 const struct rocker
*rocker
= rocker_port
->rocker
;
1192 struct pci_dev
*pdev
= rocker
->pdev
;
1193 dma_addr_t dma_handle
;
1195 dma_handle
= pci_map_single(pdev
, skb
->data
, buf_len
,
1196 PCI_DMA_FROMDEVICE
);
1197 if (pci_dma_mapping_error(pdev
, dma_handle
))
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
;
1206 pci_unmap_single(pdev
, dma_handle
, buf_len
, PCI_DMA_FROMDEVICE
);
1207 desc_info
->tlv_size
= 0;
1211 static size_t rocker_port_rx_buf_len(const struct rocker_port
*rocker_port
)
1213 return rocker_port
->dev
->mtu
+ ETH_HLEN
+ ETH_FCS_LEN
+ VLAN_HLEN
;
1216 static int rocker_dma_rx_ring_skb_alloc(const struct rocker_port
*rocker_port
,
1217 struct rocker_desc_info
*desc_info
)
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
);
1224 /* Ensure that hw will see tlv_size zero in case of an error.
1225 * That tells hw to use another descriptor.
1227 rocker_desc_cookie_ptr_set(desc_info
, NULL
);
1228 desc_info
->tlv_size
= 0;
1230 skb
= netdev_alloc_skb_ip_align(dev
, buf_len
);
1233 err
= rocker_dma_rx_ring_skb_map(rocker_port
, desc_info
, skb
, buf_len
);
1235 dev_kfree_skb_any(skb
);
1238 rocker_desc_cookie_ptr_set(desc_info
, skb
);
1242 static void rocker_dma_rx_ring_skb_unmap(const struct rocker
*rocker
,
1243 const struct rocker_tlv
**attrs
)
1245 struct pci_dev
*pdev
= rocker
->pdev
;
1246 dma_addr_t dma_handle
;
1249 if (!attrs
[ROCKER_TLV_RX_FRAG_ADDR
] ||
1250 !attrs
[ROCKER_TLV_RX_FRAG_MAX_LEN
])
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
);
1257 static void rocker_dma_rx_ring_skb_free(const struct rocker
*rocker
,
1258 const struct rocker_desc_info
*desc_info
)
1260 const struct rocker_tlv
*attrs
[ROCKER_TLV_RX_MAX
+ 1];
1261 struct sk_buff
*skb
= rocker_desc_cookie_ptr_get(desc_info
);
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
);
1270 static int rocker_dma_rx_ring_skbs_alloc(const struct rocker_port
*rocker_port
)
1272 const struct rocker_dma_ring_info
*rx_ring
= &rocker_port
->rx_ring
;
1273 const struct rocker
*rocker
= rocker_port
->rocker
;
1277 for (i
= 0; i
< rx_ring
->size
; i
++) {
1278 err
= rocker_dma_rx_ring_skb_alloc(rocker_port
,
1279 &rx_ring
->desc_info
[i
]);
1286 for (i
--; i
>= 0; i
--)
1287 rocker_dma_rx_ring_skb_free(rocker
, &rx_ring
->desc_info
[i
]);
1291 static void rocker_dma_rx_ring_skbs_free(const struct rocker_port
*rocker_port
)
1293 const struct rocker_dma_ring_info
*rx_ring
= &rocker_port
->rx_ring
;
1294 const struct rocker
*rocker
= rocker_port
->rocker
;
1297 for (i
= 0; i
< rx_ring
->size
; i
++)
1298 rocker_dma_rx_ring_skb_free(rocker
, &rx_ring
->desc_info
[i
]);
1301 static int rocker_port_dma_rings_init(struct rocker_port
*rocker_port
)
1303 struct rocker
*rocker
= rocker_port
->rocker
;
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
);
1311 netdev_err(rocker_port
->dev
, "failed to create tx dma ring\n");
1315 err
= rocker_dma_ring_bufs_alloc(rocker
, &rocker_port
->tx_ring
,
1317 ROCKER_DMA_TX_DESC_SIZE
);
1319 netdev_err(rocker_port
->dev
, "failed to alloc tx dma ring buffers\n");
1320 goto err_dma_tx_ring_bufs_alloc
;
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
);
1328 netdev_err(rocker_port
->dev
, "failed to create rx dma ring\n");
1329 goto err_dma_rx_ring_create
;
1332 err
= rocker_dma_ring_bufs_alloc(rocker
, &rocker_port
->rx_ring
,
1333 PCI_DMA_BIDIRECTIONAL
,
1334 ROCKER_DMA_RX_DESC_SIZE
);
1336 netdev_err(rocker_port
->dev
, "failed to alloc rx dma ring buffers\n");
1337 goto err_dma_rx_ring_bufs_alloc
;
1340 err
= rocker_dma_rx_ring_skbs_alloc(rocker_port
);
1342 netdev_err(rocker_port
->dev
, "failed to alloc rx dma ring skbs\n");
1343 goto err_dma_rx_ring_skbs_alloc
;
1345 rocker_dma_ring_pass_to_producer(rocker
, &rocker_port
->rx_ring
);
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
,
1357 err_dma_tx_ring_bufs_alloc
:
1358 rocker_dma_ring_destroy(rocker
, &rocker_port
->tx_ring
);
1362 static void rocker_port_dma_rings_fini(struct rocker_port
*rocker_port
)
1364 struct rocker
*rocker
= rocker_port
->rocker
;
1366 rocker_dma_rx_ring_skbs_free(rocker_port
);
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
,
1372 rocker_dma_ring_destroy(rocker
, &rocker_port
->tx_ring
);
1375 static void rocker_port_set_enable(const struct rocker_port
*rocker_port
,
1378 u64 val
= rocker_read64(rocker_port
->rocker
, PORT_PHYS_ENABLE
);
1381 val
|= 1ULL << rocker_port
->pport
;
1383 val
&= ~(1ULL << rocker_port
->pport
);
1384 rocker_write64(rocker_port
->rocker
, PORT_PHYS_ENABLE
, val
);
1387 /********************************
1388 * Interrupt handler and helpers
1389 ********************************/
1391 static irqreturn_t
rocker_cmd_irq_handler(int irq
, void *dev_id
)
1393 struct rocker
*rocker
= dev_id
;
1394 const struct rocker_desc_info
*desc_info
;
1395 struct rocker_wait
*wait
;
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
);
1402 rocker_desc_gen_clear(desc_info
);
1403 rocker_wait_destroy(SWITCHDEV_TRANS_NONE
, wait
);
1405 rocker_wait_wake_up(wait
);
1409 spin_unlock(&rocker
->cmd_ring_lock
);
1410 rocker_dma_ring_credits_set(rocker
, &rocker
->cmd_ring
, credits
);
1415 static void rocker_port_link_up(const struct rocker_port
*rocker_port
)
1417 netif_carrier_on(rocker_port
->dev
);
1418 netdev_info(rocker_port
->dev
, "Link is up\n");
1421 static void rocker_port_link_down(const struct rocker_port
*rocker_port
)
1423 netif_carrier_off(rocker_port
->dev
);
1424 netdev_info(rocker_port
->dev
, "Link is down\n");
1427 static int rocker_event_link_change(const struct rocker
*rocker
,
1428 const struct rocker_tlv
*info
)
1430 const struct rocker_tlv
*attrs
[ROCKER_TLV_EVENT_LINK_CHANGED_MAX
+ 1];
1431 unsigned int port_number
;
1433 struct rocker_port
*rocker_port
;
1435 rocker_tlv_parse_nested(attrs
, ROCKER_TLV_EVENT_LINK_CHANGED_MAX
, info
);
1436 if (!attrs
[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT
] ||
1437 !attrs
[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP
])
1440 rocker_tlv_get_u32(attrs
[ROCKER_TLV_EVENT_LINK_CHANGED_PPORT
]) - 1;
1441 link_up
= rocker_tlv_get_u8(attrs
[ROCKER_TLV_EVENT_LINK_CHANGED_LINKUP
]);
1443 if (port_number
>= rocker
->port_count
)
1446 rocker_port
= rocker
->ports
[port_number
];
1447 if (netif_carrier_ok(rocker_port
->dev
) != link_up
) {
1449 rocker_port_link_up(rocker_port
);
1451 rocker_port_link_down(rocker_port
);
1457 static int rocker_port_fdb(struct rocker_port
*rocker_port
,
1458 enum switchdev_trans trans
,
1459 const unsigned char *addr
,
1460 __be16 vlan_id
, int flags
);
1462 static int rocker_event_mac_vlan_seen(const struct rocker
*rocker
,
1463 const struct rocker_tlv
*info
)
1465 const struct rocker_tlv
*attrs
[ROCKER_TLV_EVENT_MAC_VLAN_MAX
+ 1];
1466 unsigned int port_number
;
1467 struct rocker_port
*rocker_port
;
1468 const unsigned char *addr
;
1469 int flags
= ROCKER_OP_FLAG_NOWAIT
| ROCKER_OP_FLAG_LEARNED
;
1472 rocker_tlv_parse_nested(attrs
, ROCKER_TLV_EVENT_MAC_VLAN_MAX
, info
);
1473 if (!attrs
[ROCKER_TLV_EVENT_MAC_VLAN_PPORT
] ||
1474 !attrs
[ROCKER_TLV_EVENT_MAC_VLAN_MAC
] ||
1475 !attrs
[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID
])
1478 rocker_tlv_get_u32(attrs
[ROCKER_TLV_EVENT_MAC_VLAN_PPORT
]) - 1;
1479 addr
= rocker_tlv_data(attrs
[ROCKER_TLV_EVENT_MAC_VLAN_MAC
]);
1480 vlan_id
= rocker_tlv_get_be16(attrs
[ROCKER_TLV_EVENT_MAC_VLAN_VLAN_ID
]);
1482 if (port_number
>= rocker
->port_count
)
1485 rocker_port
= rocker
->ports
[port_number
];
1487 if (rocker_port
->stp_state
!= BR_STATE_LEARNING
&&
1488 rocker_port
->stp_state
!= BR_STATE_FORWARDING
)
1491 return rocker_port_fdb(rocker_port
, SWITCHDEV_TRANS_NONE
,
1492 addr
, vlan_id
, flags
);
1495 static int rocker_event_process(const struct rocker
*rocker
,
1496 const struct rocker_desc_info
*desc_info
)
1498 const struct rocker_tlv
*attrs
[ROCKER_TLV_EVENT_MAX
+ 1];
1499 const struct rocker_tlv
*info
;
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
])
1507 type
= rocker_tlv_get_u16(attrs
[ROCKER_TLV_EVENT_TYPE
]);
1508 info
= attrs
[ROCKER_TLV_EVENT_INFO
];
1511 case ROCKER_TLV_EVENT_TYPE_LINK_CHANGED
:
1512 return rocker_event_link_change(rocker
, info
);
1513 case ROCKER_TLV_EVENT_TYPE_MAC_VLAN_SEEN
:
1514 return rocker_event_mac_vlan_seen(rocker
, info
);
1520 static irqreturn_t
rocker_event_irq_handler(int irq
, void *dev_id
)
1522 struct rocker
*rocker
= dev_id
;
1523 const struct pci_dev
*pdev
= rocker
->pdev
;
1524 const struct rocker_desc_info
*desc_info
;
1528 while ((desc_info
= rocker_desc_tail_get(&rocker
->event_ring
))) {
1529 err
= rocker_desc_err(desc_info
);
1531 dev_err(&pdev
->dev
, "event desc received with err %d\n",
1534 err
= rocker_event_process(rocker
, desc_info
);
1536 dev_err(&pdev
->dev
, "event processing failed with err %d\n",
1539 rocker_desc_gen_clear(desc_info
);
1540 rocker_desc_head_set(rocker
, &rocker
->event_ring
, desc_info
);
1543 rocker_dma_ring_credits_set(rocker
, &rocker
->event_ring
, credits
);
1548 static irqreturn_t
rocker_tx_irq_handler(int irq
, void *dev_id
)
1550 struct rocker_port
*rocker_port
= dev_id
;
1552 napi_schedule(&rocker_port
->napi_tx
);
1556 static irqreturn_t
rocker_rx_irq_handler(int irq
, void *dev_id
)
1558 struct rocker_port
*rocker_port
= dev_id
;
1560 napi_schedule(&rocker_port
->napi_rx
);
1564 /********************
1566 ********************/
1568 typedef int (*rocker_cmd_prep_cb_t
)(const struct rocker_port
*rocker_port
,
1569 struct rocker_desc_info
*desc_info
,
1572 typedef int (*rocker_cmd_proc_cb_t
)(const struct rocker_port
*rocker_port
,
1573 const struct rocker_desc_info
*desc_info
,
1576 static int rocker_cmd_exec(struct rocker_port
*rocker_port
,
1577 enum switchdev_trans trans
, int flags
,
1578 rocker_cmd_prep_cb_t prepare
, void *prepare_priv
,
1579 rocker_cmd_proc_cb_t process
, void *process_priv
)
1581 struct rocker
*rocker
= rocker_port
->rocker
;
1582 struct rocker_desc_info
*desc_info
;
1583 struct rocker_wait
*wait
;
1584 bool nowait
= !!(flags
& ROCKER_OP_FLAG_NOWAIT
);
1585 unsigned long lock_flags
;
1588 wait
= rocker_wait_create(rocker_port
, trans
, flags
);
1591 wait
->nowait
= nowait
;
1593 spin_lock_irqsave(&rocker
->cmd_ring_lock
, lock_flags
);
1595 desc_info
= rocker_desc_head_get(&rocker
->cmd_ring
);
1597 spin_unlock_irqrestore(&rocker
->cmd_ring_lock
, lock_flags
);
1602 err
= prepare(rocker_port
, desc_info
, prepare_priv
);
1604 spin_unlock_irqrestore(&rocker
->cmd_ring_lock
, lock_flags
);
1608 rocker_desc_cookie_ptr_set(desc_info
, wait
);
1610 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
1611 rocker_desc_head_set(rocker
, &rocker
->cmd_ring
, desc_info
);
1613 spin_unlock_irqrestore(&rocker
->cmd_ring_lock
, lock_flags
);
1618 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
1619 if (!rocker_wait_event_timeout(wait
, HZ
/ 10))
1622 err
= rocker_desc_err(desc_info
);
1627 err
= process(rocker_port
, desc_info
, process_priv
);
1629 rocker_desc_gen_clear(desc_info
);
1631 rocker_wait_destroy(trans
, wait
);
1636 rocker_cmd_get_port_settings_prep(const struct rocker_port
*rocker_port
,
1637 struct rocker_desc_info
*desc_info
,
1640 struct rocker_tlv
*cmd_info
;
1642 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
,
1643 ROCKER_TLV_CMD_TYPE_GET_PORT_SETTINGS
))
1645 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
1648 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT
,
1649 rocker_port
->pport
))
1651 rocker_tlv_nest_end(desc_info
, cmd_info
);
1656 rocker_cmd_get_port_settings_ethtool_proc(const struct rocker_port
*rocker_port
,
1657 const struct rocker_desc_info
*desc_info
,
1660 struct ethtool_cmd
*ecmd
= priv
;
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];
1667 rocker_tlv_parse_desc(attrs
, ROCKER_TLV_CMD_MAX
, desc_info
);
1668 if (!attrs
[ROCKER_TLV_CMD_INFO
])
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
])
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
]);
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
;
1694 rocker_cmd_get_port_settings_macaddr_proc(const struct rocker_port
*rocker_port
,
1695 const struct rocker_desc_info
*desc_info
,
1698 unsigned char *macaddr
= priv
;
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
;
1703 rocker_tlv_parse_desc(attrs
, ROCKER_TLV_CMD_MAX
, desc_info
);
1704 if (!attrs
[ROCKER_TLV_CMD_INFO
])
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
];
1713 if (rocker_tlv_len(attr
) != ETH_ALEN
)
1716 ether_addr_copy(macaddr
, rocker_tlv_data(attr
));
1726 rocker_cmd_get_port_settings_phys_name_proc(const struct rocker_port
*rocker_port
,
1727 const struct rocker_desc_info
*desc_info
,
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];
1732 struct port_name
*name
= priv
;
1733 const struct rocker_tlv
*attr
;
1737 rocker_tlv_parse_desc(attrs
, ROCKER_TLV_CMD_MAX
, desc_info
);
1738 if (!attrs
[ROCKER_TLV_CMD_INFO
])
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
];
1747 len
= min_t(size_t, rocker_tlv_len(attr
), name
->len
);
1748 str
= rocker_tlv_data(attr
);
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
];
1761 name
->buf
[j
] = '\0';
1767 rocker_cmd_set_port_settings_ethtool_prep(const struct rocker_port
*rocker_port
,
1768 struct rocker_desc_info
*desc_info
,
1771 struct ethtool_cmd
*ecmd
= priv
;
1772 struct rocker_tlv
*cmd_info
;
1774 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
,
1775 ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS
))
1777 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
1780 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT
,
1781 rocker_port
->pport
))
1783 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_SPEED
,
1784 ethtool_cmd_speed(ecmd
)))
1786 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_DUPLEX
,
1789 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_AUTONEG
,
1792 rocker_tlv_nest_end(desc_info
, cmd_info
);
1797 rocker_cmd_set_port_settings_macaddr_prep(const struct rocker_port
*rocker_port
,
1798 struct rocker_desc_info
*desc_info
,
1801 const unsigned char *macaddr
= priv
;
1802 struct rocker_tlv
*cmd_info
;
1804 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
,
1805 ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS
))
1807 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
1810 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT
,
1811 rocker_port
->pport
))
1813 if (rocker_tlv_put(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_MACADDR
,
1816 rocker_tlv_nest_end(desc_info
, cmd_info
);
1821 rocker_cmd_set_port_learning_prep(const struct rocker_port
*rocker_port
,
1822 struct rocker_desc_info
*desc_info
,
1825 struct rocker_tlv
*cmd_info
;
1827 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
,
1828 ROCKER_TLV_CMD_TYPE_SET_PORT_SETTINGS
))
1830 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
1833 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_PPORT
,
1834 rocker_port
->pport
))
1836 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING
,
1837 !!(rocker_port
->brport_flags
& BR_LEARNING
)))
1839 rocker_tlv_nest_end(desc_info
, cmd_info
);
1843 static int rocker_cmd_get_port_settings_ethtool(struct rocker_port
*rocker_port
,
1844 struct ethtool_cmd
*ecmd
)
1846 return rocker_cmd_exec(rocker_port
, SWITCHDEV_TRANS_NONE
, 0,
1847 rocker_cmd_get_port_settings_prep
, NULL
,
1848 rocker_cmd_get_port_settings_ethtool_proc
,
1852 static int rocker_cmd_get_port_settings_macaddr(struct rocker_port
*rocker_port
,
1853 unsigned char *macaddr
)
1855 return rocker_cmd_exec(rocker_port
, SWITCHDEV_TRANS_NONE
, 0,
1856 rocker_cmd_get_port_settings_prep
, NULL
,
1857 rocker_cmd_get_port_settings_macaddr_proc
,
1861 static int rocker_cmd_set_port_settings_ethtool(struct rocker_port
*rocker_port
,
1862 struct ethtool_cmd
*ecmd
)
1864 return rocker_cmd_exec(rocker_port
, SWITCHDEV_TRANS_NONE
, 0,
1865 rocker_cmd_set_port_settings_ethtool_prep
,
1869 static int rocker_cmd_set_port_settings_macaddr(struct rocker_port
*rocker_port
,
1870 unsigned char *macaddr
)
1872 return rocker_cmd_exec(rocker_port
, SWITCHDEV_TRANS_NONE
, 0,
1873 rocker_cmd_set_port_settings_macaddr_prep
,
1874 macaddr
, NULL
, NULL
);
1877 static int rocker_port_set_learning(struct rocker_port
*rocker_port
,
1878 enum switchdev_trans trans
)
1880 return rocker_cmd_exec(rocker_port
, trans
, 0,
1881 rocker_cmd_set_port_learning_prep
,
1886 rocker_cmd_flow_tbl_add_ig_port(struct rocker_desc_info
*desc_info
,
1887 const struct rocker_flow_tbl_entry
*entry
)
1889 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_IN_PPORT
,
1890 entry
->key
.ig_port
.in_pport
))
1892 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_IN_PPORT_MASK
,
1893 entry
->key
.ig_port
.in_pport_mask
))
1895 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID
,
1896 entry
->key
.ig_port
.goto_tbl
))
1903 rocker_cmd_flow_tbl_add_vlan(struct rocker_desc_info
*desc_info
,
1904 const struct rocker_flow_tbl_entry
*entry
)
1906 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_IN_PPORT
,
1907 entry
->key
.vlan
.in_pport
))
1909 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID
,
1910 entry
->key
.vlan
.vlan_id
))
1912 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID_MASK
,
1913 entry
->key
.vlan
.vlan_id_mask
))
1915 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID
,
1916 entry
->key
.vlan
.goto_tbl
))
1918 if (entry
->key
.vlan
.untagged
&&
1919 rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_NEW_VLAN_ID
,
1920 entry
->key
.vlan
.new_vlan_id
))
1927 rocker_cmd_flow_tbl_add_term_mac(struct rocker_desc_info
*desc_info
,
1928 const struct rocker_flow_tbl_entry
*entry
)
1930 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_IN_PPORT
,
1931 entry
->key
.term_mac
.in_pport
))
1933 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_IN_PPORT_MASK
,
1934 entry
->key
.term_mac
.in_pport_mask
))
1936 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_ETHERTYPE
,
1937 entry
->key
.term_mac
.eth_type
))
1939 if (rocker_tlv_put(desc_info
, ROCKER_TLV_OF_DPA_DST_MAC
,
1940 ETH_ALEN
, entry
->key
.term_mac
.eth_dst
))
1942 if (rocker_tlv_put(desc_info
, ROCKER_TLV_OF_DPA_DST_MAC_MASK
,
1943 ETH_ALEN
, entry
->key
.term_mac
.eth_dst_mask
))
1945 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID
,
1946 entry
->key
.term_mac
.vlan_id
))
1948 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID_MASK
,
1949 entry
->key
.term_mac
.vlan_id_mask
))
1951 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID
,
1952 entry
->key
.term_mac
.goto_tbl
))
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
))
1963 rocker_cmd_flow_tbl_add_ucast_routing(struct rocker_desc_info
*desc_info
,
1964 const struct rocker_flow_tbl_entry
*entry
)
1966 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_ETHERTYPE
,
1967 entry
->key
.ucast_routing
.eth_type
))
1969 if (rocker_tlv_put_be32(desc_info
, ROCKER_TLV_OF_DPA_DST_IP
,
1970 entry
->key
.ucast_routing
.dst4
))
1972 if (rocker_tlv_put_be32(desc_info
, ROCKER_TLV_OF_DPA_DST_IP_MASK
,
1973 entry
->key
.ucast_routing
.dst4_mask
))
1975 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID
,
1976 entry
->key
.ucast_routing
.goto_tbl
))
1978 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_GROUP_ID
,
1979 entry
->key
.ucast_routing
.group_id
))
1986 rocker_cmd_flow_tbl_add_bridge(struct rocker_desc_info
*desc_info
,
1987 const struct rocker_flow_tbl_entry
*entry
)
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
))
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
))
1997 if (entry
->key
.bridge
.vlan_id
&&
1998 rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID
,
1999 entry
->key
.bridge
.vlan_id
))
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
))
2005 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_OF_DPA_GOTO_TABLE_ID
,
2006 entry
->key
.bridge
.goto_tbl
))
2008 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_GROUP_ID
,
2009 entry
->key
.bridge
.group_id
))
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
))
2020 rocker_cmd_flow_tbl_add_acl(struct rocker_desc_info
*desc_info
,
2021 const struct rocker_flow_tbl_entry
*entry
)
2023 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_IN_PPORT
,
2024 entry
->key
.acl
.in_pport
))
2026 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_IN_PPORT_MASK
,
2027 entry
->key
.acl
.in_pport_mask
))
2029 if (rocker_tlv_put(desc_info
, ROCKER_TLV_OF_DPA_SRC_MAC
,
2030 ETH_ALEN
, entry
->key
.acl
.eth_src
))
2032 if (rocker_tlv_put(desc_info
, ROCKER_TLV_OF_DPA_SRC_MAC_MASK
,
2033 ETH_ALEN
, entry
->key
.acl
.eth_src_mask
))
2035 if (rocker_tlv_put(desc_info
, ROCKER_TLV_OF_DPA_DST_MAC
,
2036 ETH_ALEN
, entry
->key
.acl
.eth_dst
))
2038 if (rocker_tlv_put(desc_info
, ROCKER_TLV_OF_DPA_DST_MAC_MASK
,
2039 ETH_ALEN
, entry
->key
.acl
.eth_dst_mask
))
2041 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_ETHERTYPE
,
2042 entry
->key
.acl
.eth_type
))
2044 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID
,
2045 entry
->key
.acl
.vlan_id
))
2047 if (rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID_MASK
,
2048 entry
->key
.acl
.vlan_id_mask
))
2051 switch (ntohs(entry
->key
.acl
.eth_type
)) {
2054 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_OF_DPA_IP_PROTO
,
2055 entry
->key
.acl
.ip_proto
))
2057 if (rocker_tlv_put_u8(desc_info
,
2058 ROCKER_TLV_OF_DPA_IP_PROTO_MASK
,
2059 entry
->key
.acl
.ip_proto_mask
))
2061 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_OF_DPA_IP_DSCP
,
2062 entry
->key
.acl
.ip_tos
& 0x3f))
2064 if (rocker_tlv_put_u8(desc_info
,
2065 ROCKER_TLV_OF_DPA_IP_DSCP_MASK
,
2066 entry
->key
.acl
.ip_tos_mask
& 0x3f))
2068 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_OF_DPA_IP_ECN
,
2069 (entry
->key
.acl
.ip_tos
& 0xc0) >> 6))
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))
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
))
2086 static int rocker_cmd_flow_tbl_add(const struct rocker_port
*rocker_port
,
2087 struct rocker_desc_info
*desc_info
,
2090 const struct rocker_flow_tbl_entry
*entry
= priv
;
2091 struct rocker_tlv
*cmd_info
;
2094 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
, entry
->cmd
))
2096 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
2099 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_OF_DPA_TABLE_ID
,
2102 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_PRIORITY
,
2103 entry
->key
.priority
))
2105 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_HARDTIME
, 0))
2107 if (rocker_tlv_put_u64(desc_info
, ROCKER_TLV_OF_DPA_COOKIE
,
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
);
2115 case ROCKER_OF_DPA_TABLE_ID_VLAN
:
2116 err
= rocker_cmd_flow_tbl_add_vlan(desc_info
, entry
);
2118 case ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC
:
2119 err
= rocker_cmd_flow_tbl_add_term_mac(desc_info
, entry
);
2121 case ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING
:
2122 err
= rocker_cmd_flow_tbl_add_ucast_routing(desc_info
, entry
);
2124 case ROCKER_OF_DPA_TABLE_ID_BRIDGING
:
2125 err
= rocker_cmd_flow_tbl_add_bridge(desc_info
, entry
);
2127 case ROCKER_OF_DPA_TABLE_ID_ACL_POLICY
:
2128 err
= rocker_cmd_flow_tbl_add_acl(desc_info
, entry
);
2138 rocker_tlv_nest_end(desc_info
, cmd_info
);
2143 static int rocker_cmd_flow_tbl_del(const struct rocker_port
*rocker_port
,
2144 struct rocker_desc_info
*desc_info
,
2147 const struct rocker_flow_tbl_entry
*entry
= priv
;
2148 struct rocker_tlv
*cmd_info
;
2150 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
, entry
->cmd
))
2152 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
2155 if (rocker_tlv_put_u64(desc_info
, ROCKER_TLV_OF_DPA_COOKIE
,
2158 rocker_tlv_nest_end(desc_info
, cmd_info
);
2164 rocker_cmd_group_tbl_add_l2_interface(struct rocker_desc_info
*desc_info
,
2165 struct rocker_group_tbl_entry
*entry
)
2167 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_OUT_PPORT
,
2168 ROCKER_GROUP_PORT_GET(entry
->group_id
)))
2170 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_OF_DPA_POP_VLAN
,
2171 entry
->l2_interface
.pop_vlan
))
2178 rocker_cmd_group_tbl_add_l2_rewrite(struct rocker_desc_info
*desc_info
,
2179 const struct rocker_group_tbl_entry
*entry
)
2181 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER
,
2182 entry
->l2_rewrite
.group_id
))
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
))
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
))
2192 if (entry
->l2_rewrite
.vlan_id
&&
2193 rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID
,
2194 entry
->l2_rewrite
.vlan_id
))
2201 rocker_cmd_group_tbl_add_group_ids(struct rocker_desc_info
*desc_info
,
2202 const struct rocker_group_tbl_entry
*entry
)
2205 struct rocker_tlv
*group_ids
;
2207 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_OF_DPA_GROUP_COUNT
,
2208 entry
->group_count
))
2211 group_ids
= rocker_tlv_nest_start(desc_info
,
2212 ROCKER_TLV_OF_DPA_GROUP_IDS
);
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
]))
2221 rocker_tlv_nest_end(desc_info
, group_ids
);
2227 rocker_cmd_group_tbl_add_l3_unicast(struct rocker_desc_info
*desc_info
,
2228 const struct rocker_group_tbl_entry
*entry
)
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
))
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
))
2238 if (entry
->l3_unicast
.vlan_id
&&
2239 rocker_tlv_put_be16(desc_info
, ROCKER_TLV_OF_DPA_VLAN_ID
,
2240 entry
->l3_unicast
.vlan_id
))
2242 if (rocker_tlv_put_u8(desc_info
, ROCKER_TLV_OF_DPA_TTL_CHECK
,
2243 entry
->l3_unicast
.ttl_check
))
2245 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_GROUP_ID_LOWER
,
2246 entry
->l3_unicast
.group_id
))
2252 static int rocker_cmd_group_tbl_add(const struct rocker_port
*rocker_port
,
2253 struct rocker_desc_info
*desc_info
,
2256 struct rocker_group_tbl_entry
*entry
= priv
;
2257 struct rocker_tlv
*cmd_info
;
2260 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
, entry
->cmd
))
2262 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
2266 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_GROUP_ID
,
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
);
2274 case ROCKER_OF_DPA_GROUP_TYPE_L2_REWRITE
:
2275 err
= rocker_cmd_group_tbl_add_l2_rewrite(desc_info
, entry
);
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
);
2281 case ROCKER_OF_DPA_GROUP_TYPE_L3_UCAST
:
2282 err
= rocker_cmd_group_tbl_add_l3_unicast(desc_info
, entry
);
2292 rocker_tlv_nest_end(desc_info
, cmd_info
);
2297 static int rocker_cmd_group_tbl_del(const struct rocker_port
*rocker_port
,
2298 struct rocker_desc_info
*desc_info
,
2301 const struct rocker_group_tbl_entry
*entry
= priv
;
2302 struct rocker_tlv
*cmd_info
;
2304 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
, entry
->cmd
))
2306 cmd_info
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
2309 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_OF_DPA_GROUP_ID
,
2312 rocker_tlv_nest_end(desc_info
, cmd_info
);
2317 /***************************************************
2318 * Flow, group, FDB, internal VLAN and neigh tables
2319 ***************************************************/
2321 static int rocker_init_tbls(struct rocker
*rocker
)
2323 hash_init(rocker
->flow_tbl
);
2324 spin_lock_init(&rocker
->flow_tbl_lock
);
2326 hash_init(rocker
->group_tbl
);
2327 spin_lock_init(&rocker
->group_tbl_lock
);
2329 hash_init(rocker
->fdb_tbl
);
2330 spin_lock_init(&rocker
->fdb_tbl_lock
);
2332 hash_init(rocker
->internal_vlan_tbl
);
2333 spin_lock_init(&rocker
->internal_vlan_tbl_lock
);
2335 hash_init(rocker
->neigh_tbl
);
2336 spin_lock_init(&rocker
->neigh_tbl_lock
);
2341 static void rocker_free_tbls(struct rocker
*rocker
)
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
;
2348 struct rocker_neigh_tbl_entry
*neigh_entry
;
2349 struct hlist_node
*tmp
;
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
);
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
);
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
);
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
);
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
);
2379 static struct rocker_flow_tbl_entry
*
2380 rocker_flow_tbl_find(const struct rocker
*rocker
,
2381 const struct rocker_flow_tbl_entry
*match
)
2383 struct rocker_flow_tbl_entry
*found
;
2384 size_t key_len
= match
->key_len
? match
->key_len
: sizeof(found
->key
);
2386 hash_for_each_possible(rocker
->flow_tbl
, found
,
2387 entry
, match
->key_crc32
) {
2388 if (memcmp(&found
->key
, &match
->key
, key_len
) == 0)
2395 static int rocker_flow_tbl_add(struct rocker_port
*rocker_port
,
2396 enum switchdev_trans trans
, int flags
,
2397 struct rocker_flow_tbl_entry
*match
)
2399 struct rocker
*rocker
= rocker_port
->rocker
;
2400 struct rocker_flow_tbl_entry
*found
;
2401 size_t key_len
= match
->key_len
? match
->key_len
: sizeof(found
->key
);
2402 unsigned long lock_flags
;
2404 match
->key_crc32
= crc32(~0, &match
->key
, key_len
);
2406 spin_lock_irqsave(&rocker
->flow_tbl_lock
, lock_flags
);
2408 found
= rocker_flow_tbl_find(rocker
, match
);
2411 match
->cookie
= found
->cookie
;
2412 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
2413 hash_del(&found
->entry
);
2414 rocker_port_kfree(trans
, found
);
2416 found
->cmd
= ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_MOD
;
2419 found
->cookie
= rocker
->flow_tbl_next_cookie
++;
2420 found
->cmd
= ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_ADD
;
2423 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
2424 hash_add(rocker
->flow_tbl
, &found
->entry
, found
->key_crc32
);
2426 spin_unlock_irqrestore(&rocker
->flow_tbl_lock
, lock_flags
);
2428 return rocker_cmd_exec(rocker_port
, trans
, flags
,
2429 rocker_cmd_flow_tbl_add
, found
, NULL
, NULL
);
2432 static int rocker_flow_tbl_del(struct rocker_port
*rocker_port
,
2433 enum switchdev_trans trans
, int flags
,
2434 struct rocker_flow_tbl_entry
*match
)
2436 struct rocker
*rocker
= rocker_port
->rocker
;
2437 struct rocker_flow_tbl_entry
*found
;
2438 size_t key_len
= match
->key_len
? match
->key_len
: sizeof(found
->key
);
2439 unsigned long lock_flags
;
2442 match
->key_crc32
= crc32(~0, &match
->key
, key_len
);
2444 spin_lock_irqsave(&rocker
->flow_tbl_lock
, lock_flags
);
2446 found
= rocker_flow_tbl_find(rocker
, match
);
2449 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
2450 hash_del(&found
->entry
);
2451 found
->cmd
= ROCKER_TLV_CMD_TYPE_OF_DPA_FLOW_DEL
;
2454 spin_unlock_irqrestore(&rocker
->flow_tbl_lock
, lock_flags
);
2456 rocker_port_kfree(trans
, match
);
2459 err
= rocker_cmd_exec(rocker_port
, trans
, flags
,
2460 rocker_cmd_flow_tbl_del
,
2462 rocker_port_kfree(trans
, found
);
2468 static int rocker_flow_tbl_do(struct rocker_port
*rocker_port
,
2469 enum switchdev_trans trans
, int flags
,
2470 struct rocker_flow_tbl_entry
*entry
)
2472 if (flags
& ROCKER_OP_FLAG_REMOVE
)
2473 return rocker_flow_tbl_del(rocker_port
, trans
, flags
, entry
);
2475 return rocker_flow_tbl_add(rocker_port
, trans
, flags
, entry
);
2478 static int rocker_flow_tbl_ig_port(struct rocker_port
*rocker_port
,
2479 enum switchdev_trans trans
, int flags
,
2480 u32 in_pport
, u32 in_pport_mask
,
2481 enum rocker_of_dpa_table_id goto_tbl
)
2483 struct rocker_flow_tbl_entry
*entry
;
2485 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2489 entry
->key
.priority
= ROCKER_PRIORITY_IG_PORT
;
2490 entry
->key
.tbl_id
= ROCKER_OF_DPA_TABLE_ID_INGRESS_PORT
;
2491 entry
->key
.ig_port
.in_pport
= in_pport
;
2492 entry
->key
.ig_port
.in_pport_mask
= in_pport_mask
;
2493 entry
->key
.ig_port
.goto_tbl
= goto_tbl
;
2495 return rocker_flow_tbl_do(rocker_port
, trans
, flags
, entry
);
2498 static int rocker_flow_tbl_vlan(struct rocker_port
*rocker_port
,
2499 enum switchdev_trans trans
, int flags
,
2500 u32 in_pport
, __be16 vlan_id
,
2501 __be16 vlan_id_mask
,
2502 enum rocker_of_dpa_table_id goto_tbl
,
2503 bool untagged
, __be16 new_vlan_id
)
2505 struct rocker_flow_tbl_entry
*entry
;
2507 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2511 entry
->key
.priority
= ROCKER_PRIORITY_VLAN
;
2512 entry
->key
.tbl_id
= ROCKER_OF_DPA_TABLE_ID_VLAN
;
2513 entry
->key
.vlan
.in_pport
= in_pport
;
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
;
2518 entry
->key
.vlan
.untagged
= untagged
;
2519 entry
->key
.vlan
.new_vlan_id
= new_vlan_id
;
2521 return rocker_flow_tbl_do(rocker_port
, trans
, flags
, entry
);
2524 static int rocker_flow_tbl_term_mac(struct rocker_port
*rocker_port
,
2525 enum switchdev_trans trans
,
2526 u32 in_pport
, u32 in_pport_mask
,
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
,
2532 struct rocker_flow_tbl_entry
*entry
;
2534 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
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
;
2543 entry
->key
.priority
= ROCKER_PRIORITY_TERM_MAC_UCAST
;
2544 entry
->key
.term_mac
.goto_tbl
=
2545 ROCKER_OF_DPA_TABLE_ID_UNICAST_ROUTING
;
2548 entry
->key
.tbl_id
= ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC
;
2549 entry
->key
.term_mac
.in_pport
= in_pport
;
2550 entry
->key
.term_mac
.in_pport_mask
= in_pport_mask
;
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
;
2558 return rocker_flow_tbl_do(rocker_port
, trans
, flags
, entry
);
2561 static int rocker_flow_tbl_bridge(struct rocker_port
*rocker_port
,
2562 enum switchdev_trans trans
, int flags
,
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
)
2568 struct rocker_flow_tbl_entry
*entry
;
2570 bool vlan_bridging
= !!vlan_id
;
2571 bool dflt
= !eth_dst
|| (eth_dst
&& eth_dst_mask
);
2574 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2578 entry
->key
.tbl_id
= ROCKER_OF_DPA_TABLE_ID_BRIDGING
;
2581 entry
->key
.bridge
.has_eth_dst
= 1;
2582 ether_addr_copy(entry
->key
.bridge
.eth_dst
, eth_dst
);
2585 entry
->key
.bridge
.has_eth_dst_mask
= 1;
2586 ether_addr_copy(entry
->key
.bridge
.eth_dst_mask
, eth_dst_mask
);
2587 if (!ether_addr_equal(eth_dst_mask
, ff_mac
))
2591 priority
= ROCKER_PRIORITY_UNKNOWN
;
2592 if (vlan_bridging
&& dflt
&& wild
)
2593 priority
= ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_WILD
;
2594 else if (vlan_bridging
&& dflt
&& !wild
)
2595 priority
= ROCKER_PRIORITY_BRIDGING_VLAN_DFLT_EXACT
;
2596 else if (vlan_bridging
&& !dflt
)
2597 priority
= ROCKER_PRIORITY_BRIDGING_VLAN
;
2598 else if (!vlan_bridging
&& dflt
&& wild
)
2599 priority
= ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_WILD
;
2600 else if (!vlan_bridging
&& dflt
&& !wild
)
2601 priority
= ROCKER_PRIORITY_BRIDGING_TENANT_DFLT_EXACT
;
2602 else if (!vlan_bridging
&& !dflt
)
2603 priority
= ROCKER_PRIORITY_BRIDGING_TENANT
;
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
;
2612 return rocker_flow_tbl_do(rocker_port
, trans
, flags
, entry
);
2615 static int rocker_flow_tbl_ucast4_routing(struct rocker_port
*rocker_port
,
2616 enum switchdev_trans trans
,
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
)
2622 struct rocker_flow_tbl_entry
*entry
;
2624 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
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
);
2638 return rocker_flow_tbl_do(rocker_port
, trans
, flags
, entry
);
2641 static int rocker_flow_tbl_acl(struct rocker_port
*rocker_port
,
2642 enum switchdev_trans trans
, int flags
,
2643 u32 in_pport
, u32 in_pport_mask
,
2644 const u8
*eth_src
, const u8
*eth_src_mask
,
2645 const u8
*eth_dst
, const u8
*eth_dst_mask
,
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
,
2652 struct rocker_flow_tbl_entry
*entry
;
2654 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2658 priority
= ROCKER_PRIORITY_ACL_NORMAL
;
2659 if (eth_dst
&& eth_dst_mask
) {
2660 if (ether_addr_equal(eth_dst_mask
, mcast_mac
))
2661 priority
= ROCKER_PRIORITY_ACL_DFLT
;
2662 else if (is_link_local_ether_addr(eth_dst
))
2663 priority
= ROCKER_PRIORITY_ACL_CTRL
;
2666 entry
->key
.priority
= priority
;
2667 entry
->key
.tbl_id
= ROCKER_OF_DPA_TABLE_ID_ACL_POLICY
;
2668 entry
->key
.acl
.in_pport
= in_pport
;
2669 entry
->key
.acl
.in_pport_mask
= in_pport_mask
;
2672 ether_addr_copy(entry
->key
.acl
.eth_src
, eth_src
);
2674 ether_addr_copy(entry
->key
.acl
.eth_src_mask
, eth_src_mask
);
2676 ether_addr_copy(entry
->key
.acl
.eth_dst
, eth_dst
);
2678 ether_addr_copy(entry
->key
.acl
.eth_dst_mask
, eth_dst_mask
);
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
;
2689 return rocker_flow_tbl_do(rocker_port
, trans
, flags
, entry
);
2692 static struct rocker_group_tbl_entry
*
2693 rocker_group_tbl_find(const struct rocker
*rocker
,
2694 const struct rocker_group_tbl_entry
*match
)
2696 struct rocker_group_tbl_entry
*found
;
2698 hash_for_each_possible(rocker
->group_tbl
, found
,
2699 entry
, match
->group_id
) {
2700 if (found
->group_id
== match
->group_id
)
2707 static void rocker_group_tbl_entry_free(enum switchdev_trans trans
,
2708 struct rocker_group_tbl_entry
*entry
)
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
:
2713 rocker_port_kfree(trans
, entry
->group_ids
);
2718 rocker_port_kfree(trans
, entry
);
2721 static int rocker_group_tbl_add(struct rocker_port
*rocker_port
,
2722 enum switchdev_trans trans
, int flags
,
2723 struct rocker_group_tbl_entry
*match
)
2725 struct rocker
*rocker
= rocker_port
->rocker
;
2726 struct rocker_group_tbl_entry
*found
;
2727 unsigned long lock_flags
;
2729 spin_lock_irqsave(&rocker
->group_tbl_lock
, lock_flags
);
2731 found
= rocker_group_tbl_find(rocker
, match
);
2734 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
2735 hash_del(&found
->entry
);
2736 rocker_group_tbl_entry_free(trans
, found
);
2738 found
->cmd
= ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_MOD
;
2741 found
->cmd
= ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_ADD
;
2744 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
2745 hash_add(rocker
->group_tbl
, &found
->entry
, found
->group_id
);
2747 spin_unlock_irqrestore(&rocker
->group_tbl_lock
, lock_flags
);
2749 return rocker_cmd_exec(rocker_port
, trans
, flags
,
2750 rocker_cmd_group_tbl_add
, found
, NULL
, NULL
);
2753 static int rocker_group_tbl_del(struct rocker_port
*rocker_port
,
2754 enum switchdev_trans trans
, int flags
,
2755 struct rocker_group_tbl_entry
*match
)
2757 struct rocker
*rocker
= rocker_port
->rocker
;
2758 struct rocker_group_tbl_entry
*found
;
2759 unsigned long lock_flags
;
2762 spin_lock_irqsave(&rocker
->group_tbl_lock
, lock_flags
);
2764 found
= rocker_group_tbl_find(rocker
, match
);
2767 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
2768 hash_del(&found
->entry
);
2769 found
->cmd
= ROCKER_TLV_CMD_TYPE_OF_DPA_GROUP_DEL
;
2772 spin_unlock_irqrestore(&rocker
->group_tbl_lock
, lock_flags
);
2774 rocker_group_tbl_entry_free(trans
, match
);
2777 err
= rocker_cmd_exec(rocker_port
, trans
, flags
,
2778 rocker_cmd_group_tbl_del
,
2780 rocker_group_tbl_entry_free(trans
, found
);
2786 static int rocker_group_tbl_do(struct rocker_port
*rocker_port
,
2787 enum switchdev_trans trans
, int flags
,
2788 struct rocker_group_tbl_entry
*entry
)
2790 if (flags
& ROCKER_OP_FLAG_REMOVE
)
2791 return rocker_group_tbl_del(rocker_port
, trans
, flags
, entry
);
2793 return rocker_group_tbl_add(rocker_port
, trans
, flags
, entry
);
2796 static int rocker_group_l2_interface(struct rocker_port
*rocker_port
,
2797 enum switchdev_trans trans
, int flags
,
2798 __be16 vlan_id
, u32 out_pport
,
2801 struct rocker_group_tbl_entry
*entry
;
2803 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2807 entry
->group_id
= ROCKER_GROUP_L2_INTERFACE(vlan_id
, out_pport
);
2808 entry
->l2_interface
.pop_vlan
= pop_vlan
;
2810 return rocker_group_tbl_do(rocker_port
, trans
, flags
, entry
);
2813 static int rocker_group_l2_fan_out(struct rocker_port
*rocker_port
,
2814 enum switchdev_trans trans
,
2815 int flags
, u8 group_count
,
2816 const u32
*group_ids
, u32 group_id
)
2818 struct rocker_group_tbl_entry
*entry
;
2820 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2824 entry
->group_id
= group_id
;
2825 entry
->group_count
= group_count
;
2827 entry
->group_ids
= rocker_port_kcalloc(rocker_port
, trans
, flags
,
2828 group_count
, sizeof(u32
));
2829 if (!entry
->group_ids
) {
2830 rocker_port_kfree(trans
, entry
);
2833 memcpy(entry
->group_ids
, group_ids
, group_count
* sizeof(u32
));
2835 return rocker_group_tbl_do(rocker_port
, trans
, flags
, entry
);
2838 static int rocker_group_l2_flood(struct rocker_port
*rocker_port
,
2839 enum switchdev_trans trans
, int flags
,
2840 __be16 vlan_id
, u8 group_count
,
2841 const u32
*group_ids
, u32 group_id
)
2843 return rocker_group_l2_fan_out(rocker_port
, trans
, flags
,
2844 group_count
, group_ids
,
2848 static int rocker_group_l3_unicast(struct rocker_port
*rocker_port
,
2849 enum switchdev_trans trans
, int flags
,
2850 u32 index
, const u8
*src_mac
, const u8
*dst_mac
,
2851 __be16 vlan_id
, bool ttl_check
, u32 pport
)
2853 struct rocker_group_tbl_entry
*entry
;
2855 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2859 entry
->group_id
= ROCKER_GROUP_L3_UNICAST(index
);
2861 ether_addr_copy(entry
->l3_unicast
.eth_src
, src_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
);
2868 return rocker_group_tbl_do(rocker_port
, trans
, flags
, entry
);
2871 static struct rocker_neigh_tbl_entry
*
2872 rocker_neigh_tbl_find(const struct rocker
*rocker
, __be32 ip_addr
)
2874 struct rocker_neigh_tbl_entry
*found
;
2876 hash_for_each_possible(rocker
->neigh_tbl
, found
,
2877 entry
, be32_to_cpu(ip_addr
))
2878 if (found
->ip_addr
== ip_addr
)
2884 static void _rocker_neigh_add(struct rocker
*rocker
,
2885 enum switchdev_trans trans
,
2886 struct rocker_neigh_tbl_entry
*entry
)
2888 if (trans
!= SWITCHDEV_TRANS_COMMIT
)
2889 entry
->index
= rocker
->neigh_tbl_next_index
++;
2890 if (trans
== SWITCHDEV_TRANS_PREPARE
)
2893 hash_add(rocker
->neigh_tbl
, &entry
->entry
,
2894 be32_to_cpu(entry
->ip_addr
));
2897 static void _rocker_neigh_del(enum switchdev_trans trans
,
2898 struct rocker_neigh_tbl_entry
*entry
)
2900 if (trans
== SWITCHDEV_TRANS_PREPARE
)
2902 if (--entry
->ref_count
== 0) {
2903 hash_del(&entry
->entry
);
2904 rocker_port_kfree(trans
, entry
);
2908 static void _rocker_neigh_update(struct rocker_neigh_tbl_entry
*entry
,
2909 enum switchdev_trans trans
,
2910 const u8
*eth_dst
, bool ttl_check
)
2913 ether_addr_copy(entry
->eth_dst
, eth_dst
);
2914 entry
->ttl_check
= ttl_check
;
2915 } else if (trans
!= SWITCHDEV_TRANS_PREPARE
) {
2920 static int rocker_port_ipv4_neigh(struct rocker_port
*rocker_port
,
2921 enum switchdev_trans trans
,
2922 int flags
, __be32 ip_addr
, const u8
*eth_dst
)
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
;
2933 bool adding
= !(flags
& ROCKER_OP_FLAG_REMOVE
);
2938 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
2942 spin_lock_irqsave(&rocker
->neigh_tbl_lock
, lock_flags
);
2944 found
= rocker_neigh_tbl_find(rocker
, ip_addr
);
2946 updating
= found
&& adding
;
2947 removing
= found
&& !adding
;
2948 adding
= !found
&& 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;
2955 _rocker_neigh_add(rocker
, trans
, entry
);
2956 } else if (removing
) {
2957 memcpy(entry
, found
, sizeof(*entry
));
2958 _rocker_neigh_del(trans
, found
);
2959 } else if (updating
) {
2960 _rocker_neigh_update(found
, trans
, eth_dst
, true);
2961 memcpy(entry
, found
, sizeof(*entry
));
2966 spin_unlock_irqrestore(&rocker
->neigh_tbl_lock
, lock_flags
);
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.
2977 err
= rocker_group_l3_unicast(rocker_port
, trans
, flags
,
2979 rocker_port
->dev
->dev_addr
,
2981 rocker_port
->internal_vlan_id
,
2983 rocker_port
->pport
);
2985 netdev_err(rocker_port
->dev
,
2986 "Error (%d) L3 unicast group index %d\n",
2991 if (adding
|| removing
) {
2992 group_id
= ROCKER_GROUP_L3_UNICAST(entry
->index
);
2993 err
= rocker_flow_tbl_ucast4_routing(rocker_port
, trans
,
3000 netdev_err(rocker_port
->dev
,
3001 "Error (%d) /32 unicast route %pI4 group 0x%08x\n",
3002 err
, &entry
->ip_addr
, group_id
);
3007 rocker_port_kfree(trans
, entry
);
3012 static int rocker_port_ipv4_resolve(struct rocker_port
*rocker_port
,
3013 enum switchdev_trans trans
, __be32 ip_addr
)
3015 struct net_device
*dev
= rocker_port
->dev
;
3016 struct neighbour
*n
= __ipv4_neigh_lookup(dev
, (__force u32
)ip_addr
);
3020 n
= neigh_create(&arp_tbl
, &ip_addr
, dev
);
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.
3030 if (n
->nud_state
& NUD_VALID
)
3031 err
= rocker_port_ipv4_neigh(rocker_port
, trans
, 0,
3034 neigh_event_send(n
, NULL
);
3040 static int rocker_port_ipv4_nh(struct rocker_port
*rocker_port
,
3041 enum switchdev_trans trans
, int flags
,
3042 __be32 ip_addr
, u32
*index
)
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
);
3051 bool resolved
= true;
3054 entry
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*entry
));
3058 spin_lock_irqsave(&rocker
->neigh_tbl_lock
, lock_flags
);
3060 found
= rocker_neigh_tbl_find(rocker
, ip_addr
);
3062 *index
= found
->index
;
3064 updating
= found
&& adding
;
3065 removing
= found
&& !adding
;
3066 adding
= !found
&& adding
;
3069 entry
->ip_addr
= ip_addr
;
3070 entry
->dev
= rocker_port
->dev
;
3071 _rocker_neigh_add(rocker
, trans
, entry
);
3072 *index
= entry
->index
;
3074 } else if (removing
) {
3075 _rocker_neigh_del(trans
, found
);
3076 } else if (updating
) {
3077 _rocker_neigh_update(found
, trans
, NULL
, false);
3078 resolved
= !is_zero_ether_addr(found
->eth_dst
);
3083 spin_unlock_irqrestore(&rocker
->neigh_tbl_lock
, lock_flags
);
3086 rocker_port_kfree(trans
, entry
);
3091 /* Resolved means neigh ip_addr is resolved to neigh mac. */
3094 err
= rocker_port_ipv4_resolve(rocker_port
, trans
, ip_addr
);
3099 static int rocker_port_vlan_flood_group(struct rocker_port
*rocker_port
,
3100 enum switchdev_trans trans
,
3101 int flags
, __be16 vlan_id
)
3103 struct rocker_port
*p
;
3104 const struct rocker
*rocker
= rocker_port
->rocker
;
3105 u32 group_id
= ROCKER_GROUP_L2_FLOOD(vlan_id
, 0);
3111 group_ids
= rocker_port_kcalloc(rocker_port
, trans
, flags
,
3112 rocker
->port_count
, sizeof(u32
));
3116 /* Adjust the flood group for this VLAN. The flood group
3117 * references an L2 interface group for each port in this
3121 for (i
= 0; i
< rocker
->port_count
; i
++) {
3122 p
= rocker
->ports
[i
];
3125 if (!rocker_port_is_bridged(p
))
3127 if (test_bit(ntohs(vlan_id
), p
->vlan_bitmap
)) {
3128 group_ids
[group_count
++] =
3129 ROCKER_GROUP_L2_INTERFACE(vlan_id
, p
->pport
);
3133 /* If there are no bridged ports in this VLAN, we're done */
3134 if (group_count
== 0)
3135 goto no_ports_in_vlan
;
3137 err
= rocker_group_l2_flood(rocker_port
, trans
, flags
, vlan_id
,
3138 group_count
, group_ids
, group_id
);
3140 netdev_err(rocker_port
->dev
,
3141 "Error (%d) port VLAN l2 flood group\n", err
);
3144 rocker_port_kfree(trans
, group_ids
);
3148 static int rocker_port_vlan_l2_groups(struct rocker_port
*rocker_port
,
3149 enum switchdev_trans trans
, int flags
,
3150 __be16 vlan_id
, bool pop_vlan
)
3152 const struct rocker
*rocker
= rocker_port
->rocker
;
3153 struct rocker_port
*p
;
3154 bool adding
= !(flags
& ROCKER_OP_FLAG_REMOVE
);
3160 /* An L2 interface group for this port in this VLAN, but
3161 * only when port STP state is LEARNING|FORWARDING.
3164 if (rocker_port
->stp_state
== BR_STATE_LEARNING
||
3165 rocker_port
->stp_state
== BR_STATE_FORWARDING
) {
3166 out_pport
= rocker_port
->pport
;
3167 err
= rocker_group_l2_interface(rocker_port
, trans
, flags
,
3168 vlan_id
, out_pport
, pop_vlan
);
3170 netdev_err(rocker_port
->dev
,
3171 "Error (%d) port VLAN l2 group for pport %d\n",
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.
3182 for (i
= 0; i
< rocker
->port_count
; i
++) {
3183 p
= rocker
->ports
[i
];
3184 if (p
&& test_bit(ntohs(vlan_id
), p
->vlan_bitmap
))
3188 if ((!adding
|| ref
!= 1) && (adding
|| ref
!= 0))
3192 err
= rocker_group_l2_interface(rocker_port
, trans
, flags
,
3193 vlan_id
, out_pport
, pop_vlan
);
3195 netdev_err(rocker_port
->dev
,
3196 "Error (%d) port VLAN l2 group for CPU port\n", err
);
3203 static struct rocker_ctrl
{
3205 const u8
*eth_dst_mask
;
3211 } rocker_ctrls
[] = {
3212 [ROCKER_CTRL_LINK_LOCAL_MCAST
] = {
3213 /* pass link local multicast pkts up to CPU for filtering */
3215 .eth_dst_mask
= ll_mask
,
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
),
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
),
3231 .copy_to_cpu
= true,
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
),
3239 .copy_to_cpu
= true,
3241 [ROCKER_CTRL_DFLT_BRIDGING
] = {
3242 /* flood any pkts on vlan */
3244 .copy_to_cpu
= true,
3248 static int rocker_port_ctrl_vlan_acl(struct rocker_port
*rocker_port
,
3249 enum switchdev_trans trans
, int flags
,
3250 const struct rocker_ctrl
*ctrl
, __be16 vlan_id
)
3252 u32 in_pport
= rocker_port
->pport
;
3253 u32 in_pport_mask
= 0xffffffff;
3255 const u8
*eth_src
= NULL
;
3256 const u8
*eth_src_mask
= NULL
;
3257 __be16 vlan_id_mask
= htons(0xffff);
3259 u8 ip_proto_mask
= 0;
3262 u32 group_id
= ROCKER_GROUP_L2_INTERFACE(vlan_id
, out_pport
);
3265 err
= rocker_flow_tbl_acl(rocker_port
, trans
, flags
,
3266 in_pport
, in_pport_mask
,
3267 eth_src
, eth_src_mask
,
3268 ctrl
->eth_dst
, ctrl
->eth_dst_mask
,
3270 vlan_id
, vlan_id_mask
,
3271 ip_proto
, ip_proto_mask
,
3272 ip_tos
, ip_tos_mask
,
3276 netdev_err(rocker_port
->dev
, "Error (%d) ctrl ACL\n", err
);
3281 static int rocker_port_ctrl_vlan_bridge(struct rocker_port
*rocker_port
,
3282 enum switchdev_trans trans
, int flags
,
3283 const struct rocker_ctrl
*ctrl
,
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);
3292 if (!rocker_port_is_bridged(rocker_port
))
3295 err
= rocker_flow_tbl_bridge(rocker_port
, trans
, flags
,
3296 ctrl
->eth_dst
, ctrl
->eth_dst_mask
,
3298 goto_tbl
, group_id
, ctrl
->copy_to_cpu
);
3301 netdev_err(rocker_port
->dev
, "Error (%d) ctrl FLOOD\n", err
);
3306 static int rocker_port_ctrl_vlan_term(struct rocker_port
*rocker_port
,
3307 enum switchdev_trans trans
, int flags
,
3308 const struct rocker_ctrl
*ctrl
, __be16 vlan_id
)
3310 u32 in_pport_mask
= 0xffffffff;
3311 __be16 vlan_id_mask
= htons(0xffff);
3314 if (ntohs(vlan_id
) == 0)
3315 vlan_id
= rocker_port
->internal_vlan_id
;
3317 err
= rocker_flow_tbl_term_mac(rocker_port
, trans
,
3318 rocker_port
->pport
, in_pport_mask
,
3319 ctrl
->eth_type
, ctrl
->eth_dst
,
3320 ctrl
->eth_dst_mask
, vlan_id
,
3321 vlan_id_mask
, ctrl
->copy_to_cpu
,
3325 netdev_err(rocker_port
->dev
, "Error (%d) ctrl term\n", err
);
3330 static int rocker_port_ctrl_vlan(struct rocker_port
*rocker_port
,
3331 enum switchdev_trans trans
, int flags
,
3332 const struct rocker_ctrl
*ctrl
, __be16 vlan_id
)
3335 return rocker_port_ctrl_vlan_acl(rocker_port
, trans
, flags
,
3338 return rocker_port_ctrl_vlan_bridge(rocker_port
, trans
, flags
,
3342 return rocker_port_ctrl_vlan_term(rocker_port
, trans
, flags
,
3348 static int rocker_port_ctrl_vlan_add(struct rocker_port
*rocker_port
,
3349 enum switchdev_trans trans
, int flags
,
3355 for (i
= 0; i
< ROCKER_CTRL_MAX
; i
++) {
3356 if (rocker_port
->ctrls
[i
]) {
3357 err
= rocker_port_ctrl_vlan(rocker_port
, trans
, flags
,
3358 &rocker_ctrls
[i
], vlan_id
);
3367 static int rocker_port_ctrl(struct rocker_port
*rocker_port
,
3368 enum switchdev_trans trans
, int flags
,
3369 const struct rocker_ctrl
*ctrl
)
3374 for (vid
= 1; vid
< VLAN_N_VID
; vid
++) {
3375 if (!test_bit(vid
, rocker_port
->vlan_bitmap
))
3377 err
= rocker_port_ctrl_vlan(rocker_port
, trans
, flags
,
3386 static int rocker_port_vlan(struct rocker_port
*rocker_port
,
3387 enum switchdev_trans trans
, int flags
, u16 vid
)
3389 enum rocker_of_dpa_table_id goto_tbl
=
3390 ROCKER_OF_DPA_TABLE_ID_TERMINATION_MAC
;
3391 u32 in_pport
= rocker_port
->pport
;
3392 __be16 vlan_id
= htons(vid
);
3393 __be16 vlan_id_mask
= htons(0xffff);
3394 __be16 internal_vlan_id
;
3396 bool adding
= !(flags
& ROCKER_OP_FLAG_REMOVE
);
3399 internal_vlan_id
= rocker_port_vid_to_vlan(rocker_port
, vid
, &untagged
);
3401 if (adding
&& test_bit(ntohs(internal_vlan_id
),
3402 rocker_port
->vlan_bitmap
))
3403 return 0; /* already added */
3404 else if (!adding
&& !test_bit(ntohs(internal_vlan_id
),
3405 rocker_port
->vlan_bitmap
))
3406 return 0; /* already removed */
3408 change_bit(ntohs(internal_vlan_id
), rocker_port
->vlan_bitmap
);
3411 err
= rocker_port_ctrl_vlan_add(rocker_port
, trans
, flags
,
3414 netdev_err(rocker_port
->dev
,
3415 "Error (%d) port ctrl vlan add\n", err
);
3420 err
= rocker_port_vlan_l2_groups(rocker_port
, trans
, flags
,
3421 internal_vlan_id
, untagged
);
3423 netdev_err(rocker_port
->dev
,
3424 "Error (%d) port VLAN l2 groups\n", err
);
3428 err
= rocker_port_vlan_flood_group(rocker_port
, trans
, flags
,
3431 netdev_err(rocker_port
->dev
,
3432 "Error (%d) port VLAN l2 flood group\n", err
);
3436 err
= rocker_flow_tbl_vlan(rocker_port
, trans
, flags
,
3437 in_pport
, vlan_id
, vlan_id_mask
,
3438 goto_tbl
, untagged
, internal_vlan_id
);
3440 netdev_err(rocker_port
->dev
,
3441 "Error (%d) port VLAN table\n", err
);
3444 if (trans
== SWITCHDEV_TRANS_PREPARE
)
3445 change_bit(ntohs(internal_vlan_id
), rocker_port
->vlan_bitmap
);
3450 static int rocker_port_ig_tbl(struct rocker_port
*rocker_port
,
3451 enum switchdev_trans trans
, int flags
)
3453 enum rocker_of_dpa_table_id goto_tbl
;
3458 /* Normal Ethernet Frames. Matches pkts from any local physical
3459 * ports. Goto VLAN tbl.
3463 in_pport_mask
= 0xffff0000;
3464 goto_tbl
= ROCKER_OF_DPA_TABLE_ID_VLAN
;
3466 err
= rocker_flow_tbl_ig_port(rocker_port
, trans
, flags
,
3467 in_pport
, in_pport_mask
,
3470 netdev_err(rocker_port
->dev
,
3471 "Error (%d) ingress port table entry\n", err
);
3476 struct rocker_fdb_learn_work
{
3477 struct work_struct work
;
3478 struct rocker_port
*rocker_port
;
3479 enum switchdev_trans trans
;
3485 static void rocker_port_fdb_learn_work(struct work_struct
*work
)
3487 const struct rocker_fdb_learn_work
*lw
=
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
);
3491 struct switchdev_notifier_fdb_info info
;
3493 info
.addr
= lw
->addr
;
3496 if (learned
&& removing
)
3497 call_switchdev_notifiers(SWITCHDEV_FDB_DEL
,
3498 lw
->rocker_port
->dev
, &info
.info
);
3499 else if (learned
&& !removing
)
3500 call_switchdev_notifiers(SWITCHDEV_FDB_ADD
,
3501 lw
->rocker_port
->dev
, &info
.info
);
3503 rocker_port_kfree(lw
->trans
, work
);
3506 static int rocker_port_fdb_learn(struct rocker_port
*rocker_port
,
3507 enum switchdev_trans trans
, int flags
,
3508 const u8
*addr
, __be16 vlan_id
)
3510 struct rocker_fdb_learn_work
*lw
;
3511 enum rocker_of_dpa_table_id goto_tbl
=
3512 ROCKER_OF_DPA_TABLE_ID_ACL_POLICY
;
3513 u32 out_pport
= rocker_port
->pport
;
3515 u32 group_id
= ROCKER_GROUP_NONE
;
3516 bool syncing
= !!(rocker_port
->brport_flags
& BR_LEARNING_SYNC
);
3517 bool copy_to_cpu
= false;
3520 if (rocker_port_is_bridged(rocker_port
))
3521 group_id
= ROCKER_GROUP_L2_INTERFACE(vlan_id
, out_pport
);
3523 if (!(flags
& ROCKER_OP_FLAG_REFRESH
)) {
3524 err
= rocker_flow_tbl_bridge(rocker_port
, trans
, flags
, addr
,
3525 NULL
, vlan_id
, tunnel_id
, goto_tbl
,
3526 group_id
, copy_to_cpu
);
3534 if (!rocker_port_is_bridged(rocker_port
))
3537 lw
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*lw
));
3541 INIT_WORK(&lw
->work
, rocker_port_fdb_learn_work
);
3543 lw
->rocker_port
= rocker_port
;
3546 ether_addr_copy(lw
->addr
, addr
);
3547 lw
->vid
= rocker_port_vlan_to_vid(rocker_port
, vlan_id
);
3549 if (trans
== SWITCHDEV_TRANS_PREPARE
)
3550 rocker_port_kfree(trans
, lw
);
3552 schedule_work(&lw
->work
);
3557 static struct rocker_fdb_tbl_entry
*
3558 rocker_fdb_tbl_find(const struct rocker
*rocker
,
3559 const struct rocker_fdb_tbl_entry
*match
)
3561 struct rocker_fdb_tbl_entry
*found
;
3563 hash_for_each_possible(rocker
->fdb_tbl
, found
, entry
, match
->key_crc32
)
3564 if (memcmp(&found
->key
, &match
->key
, sizeof(found
->key
)) == 0)
3570 static int rocker_port_fdb(struct rocker_port
*rocker_port
,
3571 enum switchdev_trans trans
,
3572 const unsigned char *addr
,
3573 __be16 vlan_id
, int flags
)
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
;
3581 fdb
= rocker_port_kzalloc(rocker_port
, trans
, flags
, sizeof(*fdb
));
3585 fdb
->learned
= (flags
& ROCKER_OP_FLAG_LEARNED
);
3586 fdb
->key
.pport
= rocker_port
->pport
;
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
));
3591 spin_lock_irqsave(&rocker
->fdb_tbl_lock
, lock_flags
);
3593 found
= rocker_fdb_tbl_find(rocker
, fdb
);
3595 if (removing
&& found
) {
3596 rocker_port_kfree(trans
, fdb
);
3597 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
3598 hash_del(&found
->entry
);
3599 } else if (!removing
&& !found
) {
3600 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
3601 hash_add(rocker
->fdb_tbl
, &fdb
->entry
, fdb
->key_crc32
);
3604 spin_unlock_irqrestore(&rocker
->fdb_tbl_lock
, lock_flags
);
3606 /* Check if adding and already exists, or removing and can't find */
3607 if (!found
!= !removing
) {
3608 rocker_port_kfree(trans
, fdb
);
3609 if (!found
&& removing
)
3611 /* Refreshing existing to update aging timers */
3612 flags
|= ROCKER_OP_FLAG_REFRESH
;
3615 return rocker_port_fdb_learn(rocker_port
, trans
, flags
, addr
, vlan_id
);
3618 static int rocker_port_fdb_flush(struct rocker_port
*rocker_port
,
3619 enum switchdev_trans trans
, int flags
)
3621 struct rocker
*rocker
= rocker_port
->rocker
;
3622 struct rocker_fdb_tbl_entry
*found
;
3623 unsigned long lock_flags
;
3624 struct hlist_node
*tmp
;
3628 if (rocker_port
->stp_state
== BR_STATE_LEARNING
||
3629 rocker_port
->stp_state
== BR_STATE_FORWARDING
)
3632 flags
|= ROCKER_OP_FLAG_REMOVE
;
3634 spin_lock_irqsave(&rocker
->fdb_tbl_lock
, lock_flags
);
3636 hash_for_each_safe(rocker
->fdb_tbl
, bkt
, tmp
, found
, entry
) {
3637 if (found
->key
.pport
!= rocker_port
->pport
)
3639 if (!found
->learned
)
3641 err
= rocker_port_fdb_learn(rocker_port
, trans
, flags
,
3643 found
->key
.vlan_id
);
3646 if (trans
!= SWITCHDEV_TRANS_PREPARE
)
3647 hash_del(&found
->entry
);
3651 spin_unlock_irqrestore(&rocker
->fdb_tbl_lock
, lock_flags
);
3656 static int rocker_port_router_mac(struct rocker_port
*rocker_port
,
3657 enum switchdev_trans trans
, int flags
,
3660 u32 in_pport_mask
= 0xffffffff;
3662 const u8
*dst_mac_mask
= ff_mac
;
3663 __be16 vlan_id_mask
= htons(0xffff);
3664 bool copy_to_cpu
= false;
3667 if (ntohs(vlan_id
) == 0)
3668 vlan_id
= rocker_port
->internal_vlan_id
;
3670 eth_type
= htons(ETH_P_IP
);
3671 err
= rocker_flow_tbl_term_mac(rocker_port
, trans
,
3672 rocker_port
->pport
, in_pport_mask
,
3673 eth_type
, rocker_port
->dev
->dev_addr
,
3674 dst_mac_mask
, vlan_id
, vlan_id_mask
,
3675 copy_to_cpu
, flags
);
3679 eth_type
= htons(ETH_P_IPV6
);
3680 err
= rocker_flow_tbl_term_mac(rocker_port
, trans
,
3681 rocker_port
->pport
, in_pport_mask
,
3682 eth_type
, rocker_port
->dev
->dev_addr
,
3683 dst_mac_mask
, vlan_id
, vlan_id_mask
,
3684 copy_to_cpu
, flags
);
3689 static int rocker_port_fwding(struct rocker_port
*rocker_port
,
3690 enum switchdev_trans trans
, int flags
)
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.
3705 if (rocker_port
->stp_state
!= BR_STATE_LEARNING
&&
3706 rocker_port
->stp_state
!= BR_STATE_FORWARDING
)
3707 flags
|= ROCKER_OP_FLAG_REMOVE
;
3709 out_pport
= rocker_port
->pport
;
3710 for (vid
= 1; vid
< VLAN_N_VID
; vid
++) {
3711 if (!test_bit(vid
, rocker_port
->vlan_bitmap
))
3713 vlan_id
= htons(vid
);
3714 pop_vlan
= rocker_vlan_id_is_internal(vlan_id
);
3715 err
= rocker_group_l2_interface(rocker_port
, trans
, flags
,
3716 vlan_id
, out_pport
, pop_vlan
);
3718 netdev_err(rocker_port
->dev
,
3719 "Error (%d) port VLAN l2 group for pport %d\n",
3728 static int rocker_port_stp_update(struct rocker_port
*rocker_port
,
3729 enum switchdev_trans trans
, int flags
,
3732 bool want
[ROCKER_CTRL_MAX
] = { 0, };
3733 bool prev_ctrls
[ROCKER_CTRL_MAX
];
3738 if (trans
== SWITCHDEV_TRANS_PREPARE
) {
3739 memcpy(prev_ctrls
, rocker_port
->ctrls
, sizeof(prev_ctrls
));
3740 prev_state
= rocker_port
->stp_state
;
3743 if (rocker_port
->stp_state
== state
)
3746 rocker_port
->stp_state
= state
;
3749 case BR_STATE_DISABLED
:
3750 /* port is completely disabled */
3752 case BR_STATE_LISTENING
:
3753 case BR_STATE_BLOCKING
:
3754 want
[ROCKER_CTRL_LINK_LOCAL_MCAST
] = true;
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;
3764 want
[ROCKER_CTRL_LOCAL_ARP
] = true;
3768 for (i
= 0; i
< ROCKER_CTRL_MAX
; i
++) {
3769 if (want
[i
] != rocker_port
->ctrls
[i
]) {
3770 int ctrl_flags
= flags
|
3771 (want
[i
] ? 0 : ROCKER_OP_FLAG_REMOVE
);
3772 err
= rocker_port_ctrl(rocker_port
, trans
, ctrl_flags
,
3776 rocker_port
->ctrls
[i
] = want
[i
];
3780 err
= rocker_port_fdb_flush(rocker_port
, trans
, flags
);
3784 err
= rocker_port_fwding(rocker_port
, trans
, flags
);
3787 if (trans
== SWITCHDEV_TRANS_PREPARE
) {
3788 memcpy(rocker_port
->ctrls
, prev_ctrls
, sizeof(prev_ctrls
));
3789 rocker_port
->stp_state
= prev_state
;
3795 static int rocker_port_fwd_enable(struct rocker_port
*rocker_port
,
3796 enum switchdev_trans trans
, int flags
)
3798 if (rocker_port_is_bridged(rocker_port
))
3799 /* bridge STP will enable port */
3802 /* port is not bridged, so simulate going to FORWARDING state */
3803 return rocker_port_stp_update(rocker_port
, trans
, flags
,
3804 BR_STATE_FORWARDING
);
3807 static int rocker_port_fwd_disable(struct rocker_port
*rocker_port
,
3808 enum switchdev_trans trans
, int flags
)
3810 if (rocker_port_is_bridged(rocker_port
))
3811 /* bridge STP will disable port */
3814 /* port is not bridged, so simulate going to DISABLED state */
3815 return rocker_port_stp_update(rocker_port
, trans
, flags
,
3819 static struct rocker_internal_vlan_tbl_entry
*
3820 rocker_internal_vlan_tbl_find(const struct rocker
*rocker
, int ifindex
)
3822 struct rocker_internal_vlan_tbl_entry
*found
;
3824 hash_for_each_possible(rocker
->internal_vlan_tbl
, found
,
3826 if (found
->ifindex
== ifindex
)
3833 static __be16
rocker_port_internal_vlan_id_get(struct rocker_port
*rocker_port
,
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
;
3842 entry
= kzalloc(sizeof(*entry
), GFP_KERNEL
);
3846 entry
->ifindex
= ifindex
;
3848 spin_lock_irqsave(&rocker
->internal_vlan_tbl_lock
, lock_flags
);
3850 found
= rocker_internal_vlan_tbl_find(rocker
, ifindex
);
3857 hash_add(rocker
->internal_vlan_tbl
, &found
->entry
, found
->ifindex
);
3859 for (i
= 0; i
< ROCKER_N_INTERNAL_VLANS
; i
++) {
3860 if (test_and_set_bit(i
, rocker
->internal_vlan_bitmap
))
3862 found
->vlan_id
= htons(ROCKER_INTERNAL_VLAN_ID_BASE
+ i
);
3866 netdev_err(rocker_port
->dev
, "Out of internal VLAN IDs\n");
3870 spin_unlock_irqrestore(&rocker
->internal_vlan_tbl_lock
, lock_flags
);
3872 return found
->vlan_id
;
3876 rocker_port_internal_vlan_id_put(const struct rocker_port
*rocker_port
,
3879 struct rocker
*rocker
= rocker_port
->rocker
;
3880 struct rocker_internal_vlan_tbl_entry
*found
;
3881 unsigned long lock_flags
;
3884 spin_lock_irqsave(&rocker
->internal_vlan_tbl_lock
, lock_flags
);
3886 found
= rocker_internal_vlan_tbl_find(rocker
, ifindex
);
3888 netdev_err(rocker_port
->dev
,
3889 "ifindex (%d) not found in internal VLAN tbl\n",
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
);
3902 spin_unlock_irqrestore(&rocker
->internal_vlan_tbl_lock
, lock_flags
);
3905 static int rocker_port_fib_ipv4(struct rocker_port
*rocker_port
,
3906 enum switchdev_trans trans
, __be32 dst
,
3907 int dst_len
, const struct fib_info
*fi
,
3908 u32 tb_id
, int flags
)
3910 const struct fib_nh
*nh
;
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
;
3923 /* XXX support ECMP */
3926 nh_on_port
= (fi
->fib_dev
== rocker_port
->dev
);
3927 has_gw
= !!nh
->nh_gw
;
3929 if (has_gw
&& nh_on_port
) {
3930 err
= rocker_port_ipv4_nh(rocker_port
, trans
, flags
,
3935 group_id
= ROCKER_GROUP_L3_UNICAST(index
);
3937 /* Send to CPU for processing */
3938 group_id
= ROCKER_GROUP_L2_INTERFACE(internal_vlan_id
, 0);
3941 err
= rocker_flow_tbl_ucast4_routing(rocker_port
, trans
, eth_type
, dst
,
3942 dst_mask
, priority
, goto_tbl
,
3945 netdev_err(rocker_port
->dev
, "Error (%d) IPv4 route %pI4\n",
3955 static int rocker_port_open(struct net_device
*dev
)
3957 struct rocker_port
*rocker_port
= netdev_priv(dev
);
3960 err
= rocker_port_dma_rings_init(rocker_port
);
3964 err
= request_irq(rocker_msix_tx_vector(rocker_port
),
3965 rocker_tx_irq_handler
, 0,
3966 rocker_driver_name
, rocker_port
);
3968 netdev_err(rocker_port
->dev
, "cannot assign tx irq\n");
3969 goto err_request_tx_irq
;
3972 err
= request_irq(rocker_msix_rx_vector(rocker_port
),
3973 rocker_rx_irq_handler
, 0,
3974 rocker_driver_name
, rocker_port
);
3976 netdev_err(rocker_port
->dev
, "cannot assign rx irq\n");
3977 goto err_request_rx_irq
;
3980 err
= rocker_port_fwd_enable(rocker_port
, SWITCHDEV_TRANS_NONE
, 0);
3982 goto err_fwd_enable
;
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
);
3991 free_irq(rocker_msix_rx_vector(rocker_port
), rocker_port
);
3993 free_irq(rocker_msix_tx_vector(rocker_port
), rocker_port
);
3995 rocker_port_dma_rings_fini(rocker_port
);
3999 static int rocker_port_stop(struct net_device
*dev
)
4001 struct rocker_port
*rocker_port
= netdev_priv(dev
);
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
);
4007 rocker_port_fwd_disable(rocker_port
, SWITCHDEV_TRANS_NONE
,
4008 ROCKER_OP_FLAG_NOWAIT
);
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
);
4016 static void rocker_tx_desc_frags_unmap(const struct rocker_port
*rocker_port
,
4017 const struct rocker_desc_info
*desc_info
)
4019 const struct rocker
*rocker
= rocker_port
->rocker
;
4020 struct pci_dev
*pdev
= rocker
->pdev
;
4021 const struct rocker_tlv
*attrs
[ROCKER_TLV_TX_MAX
+ 1];
4022 struct rocker_tlv
*attr
;
4025 rocker_tlv_parse_desc(attrs
, ROCKER_TLV_TX_MAX
, desc_info
);
4026 if (!attrs
[ROCKER_TLV_TX_FRAGS
])
4028 rocker_tlv_for_each_nested(attr
, attrs
[ROCKER_TLV_TX_FRAGS
], rem
) {
4029 const struct rocker_tlv
*frag_attrs
[ROCKER_TLV_TX_FRAG_ATTR_MAX
+ 1];
4030 dma_addr_t dma_handle
;
4033 if (rocker_tlv_type(attr
) != ROCKER_TLV_TX_FRAG
)
4035 rocker_tlv_parse_nested(frag_attrs
, ROCKER_TLV_TX_FRAG_ATTR_MAX
,
4037 if (!frag_attrs
[ROCKER_TLV_TX_FRAG_ATTR_ADDR
] ||
4038 !frag_attrs
[ROCKER_TLV_TX_FRAG_ATTR_LEN
])
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
);
4046 static int rocker_tx_desc_frag_map_put(const struct rocker_port
*rocker_port
,
4047 struct rocker_desc_info
*desc_info
,
4048 char *buf
, size_t buf_len
)
4050 const struct rocker
*rocker
= rocker_port
->rocker
;
4051 struct pci_dev
*pdev
= rocker
->pdev
;
4052 dma_addr_t dma_handle
;
4053 struct rocker_tlv
*frag
;
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");
4061 frag
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_TX_FRAG
);
4064 if (rocker_tlv_put_u64(desc_info
, ROCKER_TLV_TX_FRAG_ATTR_ADDR
,
4067 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_TX_FRAG_ATTR_LEN
,
4070 rocker_tlv_nest_end(desc_info
, frag
);
4074 rocker_tlv_nest_cancel(desc_info
, frag
);
4076 pci_unmap_single(pdev
, dma_handle
, buf_len
, DMA_TO_DEVICE
);
4080 static netdev_tx_t
rocker_port_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
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
;
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
;
4096 rocker_desc_cookie_ptr_set(desc_info
, skb
);
4098 frags
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_TX_FRAGS
);
4101 err
= rocker_tx_desc_frag_map_put(rocker_port
, desc_info
,
4102 skb
->data
, skb_headlen(skb
));
4105 if (skb_shinfo(skb
)->nr_frags
> ROCKER_TX_FRAGS_MAX
)
4108 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
4109 const skb_frag_t
*frag
= &skb_shinfo(skb
)->frags
[i
];
4111 err
= rocker_tx_desc_frag_map_put(rocker_port
, desc_info
,
4112 skb_frag_address(frag
),
4113 skb_frag_size(frag
));
4117 rocker_tlv_nest_end(desc_info
, frags
);
4119 rocker_desc_gen_clear(desc_info
);
4120 rocker_desc_head_set(rocker
, &rocker_port
->tx_ring
, desc_info
);
4122 desc_info
= rocker_desc_head_get(&rocker_port
->tx_ring
);
4124 netif_stop_queue(dev
);
4126 return NETDEV_TX_OK
;
4129 rocker_tx_desc_frags_unmap(rocker_port
, desc_info
);
4131 rocker_tlv_nest_cancel(desc_info
, frags
);
4134 dev
->stats
.tx_dropped
++;
4136 return NETDEV_TX_OK
;
4139 static int rocker_port_set_mac_address(struct net_device
*dev
, void *p
)
4141 struct sockaddr
*addr
= p
;
4142 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4145 if (!is_valid_ether_addr(addr
->sa_data
))
4146 return -EADDRNOTAVAIL
;
4148 err
= rocker_cmd_set_port_settings_macaddr(rocker_port
, addr
->sa_data
);
4151 memcpy(dev
->dev_addr
, addr
->sa_data
, dev
->addr_len
);
4155 static int rocker_port_get_phys_port_name(struct net_device
*dev
,
4156 char *buf
, size_t len
)
4158 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4159 struct port_name name
= { .buf
= buf
, .len
= len
};
4162 err
= rocker_cmd_exec(rocker_port
, SWITCHDEV_TRANS_NONE
, 0,
4163 rocker_cmd_get_port_settings_prep
, NULL
,
4164 rocker_cmd_get_port_settings_phys_name_proc
,
4167 return err
? -EOPNOTSUPP
: 0;
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
,
4175 .ndo_bridge_getlink
= switchdev_port_bridge_getlink
,
4176 .ndo_bridge_setlink
= switchdev_port_bridge_setlink
,
4177 .ndo_bridge_dellink
= switchdev_port_bridge_dellink
,
4178 .ndo_fdb_add
= switchdev_port_fdb_add
,
4179 .ndo_fdb_del
= switchdev_port_fdb_del
,
4180 .ndo_fdb_dump
= switchdev_port_fdb_dump
,
4181 .ndo_get_phys_port_name
= rocker_port_get_phys_port_name
,
4184 /********************
4186 ********************/
4188 static int rocker_port_attr_get(struct net_device
*dev
,
4189 struct switchdev_attr
*attr
)
4191 const struct rocker_port
*rocker_port
= netdev_priv(dev
);
4192 const struct rocker
*rocker
= rocker_port
->rocker
;
4195 case SWITCHDEV_ATTR_PORT_PARENT_ID
:
4196 attr
->u
.ppid
.id_len
= sizeof(rocker
->hw
.id
);
4197 memcpy(&attr
->u
.ppid
.id
, &rocker
->hw
.id
, attr
->u
.ppid
.id_len
);
4199 case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS
:
4200 attr
->u
.brport_flags
= rocker_port
->brport_flags
;
4209 static void rocker_port_trans_abort(const struct rocker_port
*rocker_port
)
4211 struct list_head
*mem
, *tmp
;
4213 list_for_each_safe(mem
, tmp
, &rocker_port
->trans_mem
) {
4219 static int rocker_port_brport_flags_set(struct rocker_port
*rocker_port
,
4220 enum switchdev_trans trans
,
4221 unsigned long brport_flags
)
4223 unsigned long orig_flags
;
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
);
4231 if (trans
== SWITCHDEV_TRANS_PREPARE
)
4232 rocker_port
->brport_flags
= orig_flags
;
4237 static int rocker_port_attr_set(struct net_device
*dev
,
4238 struct switchdev_attr
*attr
)
4240 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4243 switch (attr
->trans
) {
4244 case SWITCHDEV_TRANS_PREPARE
:
4245 BUG_ON(!list_empty(&rocker_port
->trans_mem
));
4247 case SWITCHDEV_TRANS_ABORT
:
4248 rocker_port_trans_abort(rocker_port
);
4255 case SWITCHDEV_ATTR_PORT_STP_STATE
:
4256 err
= rocker_port_stp_update(rocker_port
, attr
->trans
,
4257 ROCKER_OP_FLAG_NOWAIT
,
4260 case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS
:
4261 err
= rocker_port_brport_flags_set(rocker_port
, attr
->trans
,
4262 attr
->u
.brport_flags
);
4272 static int rocker_port_vlan_add(struct rocker_port
*rocker_port
,
4273 enum switchdev_trans trans
, u16 vid
, u16 flags
)
4277 /* XXX deal with flags for PVID and untagged */
4279 err
= rocker_port_vlan(rocker_port
, trans
, 0, vid
);
4283 err
= rocker_port_router_mac(rocker_port
, trans
, 0, htons(vid
));
4285 rocker_port_vlan(rocker_port
, trans
,
4286 ROCKER_OP_FLAG_REMOVE
, vid
);
4291 static int rocker_port_vlans_add(struct rocker_port
*rocker_port
,
4292 enum switchdev_trans trans
,
4293 const struct switchdev_obj_vlan
*vlan
)
4298 for (vid
= vlan
->vid_begin
; vid
<= vlan
->vid_end
; vid
++) {
4299 err
= rocker_port_vlan_add(rocker_port
, trans
,
4308 static int rocker_port_fdb_add(struct rocker_port
*rocker_port
,
4309 enum switchdev_trans trans
,
4310 const struct switchdev_obj_fdb
*fdb
)
4312 __be16 vlan_id
= rocker_port_vid_to_vlan(rocker_port
, fdb
->vid
, NULL
);
4315 if (!rocker_port_is_bridged(rocker_port
))
4318 return rocker_port_fdb(rocker_port
, trans
, fdb
->addr
, vlan_id
, flags
);
4321 static int rocker_port_obj_add(struct net_device
*dev
,
4322 struct switchdev_obj
*obj
)
4324 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4325 const struct switchdev_obj_ipv4_fib
*fib4
;
4328 switch (obj
->trans
) {
4329 case SWITCHDEV_TRANS_PREPARE
:
4330 BUG_ON(!list_empty(&rocker_port
->trans_mem
));
4332 case SWITCHDEV_TRANS_ABORT
:
4333 rocker_port_trans_abort(rocker_port
);
4340 case SWITCHDEV_OBJ_PORT_VLAN
:
4341 err
= rocker_port_vlans_add(rocker_port
, obj
->trans
,
4344 case SWITCHDEV_OBJ_IPV4_FIB
:
4345 fib4
= &obj
->u
.ipv4_fib
;
4346 err
= rocker_port_fib_ipv4(rocker_port
, obj
->trans
,
4347 htonl(fib4
->dst
), fib4
->dst_len
,
4348 fib4
->fi
, fib4
->tb_id
, 0);
4350 case SWITCHDEV_OBJ_PORT_FDB
:
4351 err
= rocker_port_fdb_add(rocker_port
, obj
->trans
, &obj
->u
.fdb
);
4361 static int rocker_port_vlan_del(struct rocker_port
*rocker_port
,
4366 err
= rocker_port_router_mac(rocker_port
, SWITCHDEV_TRANS_NONE
,
4367 ROCKER_OP_FLAG_REMOVE
, htons(vid
));
4371 return rocker_port_vlan(rocker_port
, SWITCHDEV_TRANS_NONE
,
4372 ROCKER_OP_FLAG_REMOVE
, vid
);
4375 static int rocker_port_vlans_del(struct rocker_port
*rocker_port
,
4376 const struct switchdev_obj_vlan
*vlan
)
4381 for (vid
= vlan
->vid_begin
; vid
<= vlan
->vid_end
; vid
++) {
4382 err
= rocker_port_vlan_del(rocker_port
, vid
, vlan
->flags
);
4390 static int rocker_port_fdb_del(struct rocker_port
*rocker_port
,
4391 enum switchdev_trans trans
,
4392 const struct switchdev_obj_fdb
*fdb
)
4394 __be16 vlan_id
= rocker_port_vid_to_vlan(rocker_port
, fdb
->vid
, NULL
);
4395 int flags
= ROCKER_OP_FLAG_NOWAIT
| ROCKER_OP_FLAG_REMOVE
;
4397 if (!rocker_port_is_bridged(rocker_port
))
4400 return rocker_port_fdb(rocker_port
, trans
, fdb
->addr
, vlan_id
, flags
);
4403 static int rocker_port_obj_del(struct net_device
*dev
,
4404 struct switchdev_obj
*obj
)
4406 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4407 const struct switchdev_obj_ipv4_fib
*fib4
;
4411 case SWITCHDEV_OBJ_PORT_VLAN
:
4412 err
= rocker_port_vlans_del(rocker_port
, &obj
->u
.vlan
);
4414 case SWITCHDEV_OBJ_IPV4_FIB
:
4415 fib4
= &obj
->u
.ipv4_fib
;
4416 err
= rocker_port_fib_ipv4(rocker_port
, SWITCHDEV_TRANS_NONE
,
4417 htonl(fib4
->dst
), fib4
->dst_len
,
4418 fib4
->fi
, fib4
->tb_id
,
4419 ROCKER_OP_FLAG_REMOVE
);
4421 case SWITCHDEV_OBJ_PORT_FDB
:
4422 err
= rocker_port_fdb_del(rocker_port
, obj
->trans
, &obj
->u
.fdb
);
4432 static int rocker_port_fdb_dump(const struct rocker_port
*rocker_port
,
4433 struct switchdev_obj
*obj
)
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
;
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
)
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
);
4454 spin_unlock_irqrestore(&rocker
->fdb_tbl_lock
, lock_flags
);
4459 static int rocker_port_vlan_dump(const struct rocker_port
*rocker_port
,
4460 struct switchdev_obj
*obj
)
4462 struct switchdev_obj_vlan
*vlan
= &obj
->u
.vlan
;
4466 for (vid
= 1; vid
< VLAN_N_VID
; vid
++) {
4467 if (!test_bit(vid
, rocker_port
->vlan_bitmap
))
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
);
4481 static int rocker_port_obj_dump(struct net_device
*dev
,
4482 struct switchdev_obj
*obj
)
4484 const struct rocker_port
*rocker_port
= netdev_priv(dev
);
4488 case SWITCHDEV_OBJ_PORT_FDB
:
4489 err
= rocker_port_fdb_dump(rocker_port
, obj
);
4491 case SWITCHDEV_OBJ_PORT_VLAN
:
4492 err
= rocker_port_vlan_dump(rocker_port
, obj
);
4502 static const struct switchdev_ops rocker_port_switchdev_ops
= {
4503 .switchdev_port_attr_get
= rocker_port_attr_get
,
4504 .switchdev_port_attr_set
= rocker_port_attr_set
,
4505 .switchdev_port_obj_add
= rocker_port_obj_add
,
4506 .switchdev_port_obj_del
= rocker_port_obj_del
,
4507 .switchdev_port_obj_dump
= rocker_port_obj_dump
,
4510 /********************
4512 ********************/
4514 static int rocker_port_get_settings(struct net_device
*dev
,
4515 struct ethtool_cmd
*ecmd
)
4517 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4519 return rocker_cmd_get_port_settings_ethtool(rocker_port
, ecmd
);
4522 static int rocker_port_set_settings(struct net_device
*dev
,
4523 struct ethtool_cmd
*ecmd
)
4525 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4527 return rocker_cmd_set_port_settings_ethtool(rocker_port
, ecmd
);
4530 static void rocker_port_get_drvinfo(struct net_device
*dev
,
4531 struct ethtool_drvinfo
*drvinfo
)
4533 strlcpy(drvinfo
->driver
, rocker_driver_name
, sizeof(drvinfo
->driver
));
4534 strlcpy(drvinfo
->version
, UTS_RELEASE
, sizeof(drvinfo
->version
));
4537 static struct rocker_port_stats
{
4538 char str
[ETH_GSTRING_LEN
];
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
, },
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
, },
4552 #define ROCKER_PORT_STATS_LEN ARRAY_SIZE(rocker_port_stats)
4554 static void rocker_port_get_strings(struct net_device
*netdev
, u32 stringset
,
4560 switch (stringset
) {
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
;
4571 rocker_cmd_get_port_stats_prep(const struct rocker_port
*rocker_port
,
4572 struct rocker_desc_info
*desc_info
,
4575 struct rocker_tlv
*cmd_stats
;
4577 if (rocker_tlv_put_u16(desc_info
, ROCKER_TLV_CMD_TYPE
,
4578 ROCKER_TLV_CMD_TYPE_GET_PORT_STATS
))
4581 cmd_stats
= rocker_tlv_nest_start(desc_info
, ROCKER_TLV_CMD_INFO
);
4585 if (rocker_tlv_put_u32(desc_info
, ROCKER_TLV_CMD_PORT_STATS_PPORT
,
4586 rocker_port
->pport
))
4589 rocker_tlv_nest_end(desc_info
, cmd_stats
);
4595 rocker_cmd_get_port_stats_ethtool_proc(const struct rocker_port
*rocker_port
,
4596 const struct rocker_desc_info
*desc_info
,
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
;
4606 rocker_tlv_parse_desc(attrs
, ROCKER_TLV_CMD_MAX
, desc_info
);
4608 if (!attrs
[ROCKER_TLV_CMD_INFO
])
4611 rocker_tlv_parse_nested(stats_attrs
, ROCKER_TLV_CMD_PORT_STATS_MAX
,
4612 attrs
[ROCKER_TLV_CMD_INFO
]);
4614 if (!stats_attrs
[ROCKER_TLV_CMD_PORT_STATS_PPORT
])
4617 pport
= rocker_tlv_get_u32(stats_attrs
[ROCKER_TLV_CMD_PORT_STATS_PPORT
]);
4618 if (pport
!= rocker_port
->pport
)
4621 for (i
= 0; i
< ARRAY_SIZE(rocker_port_stats
); i
++) {
4622 pattr
= stats_attrs
[rocker_port_stats
[i
].type
];
4626 data
[i
] = rocker_tlv_get_u64(pattr
);
4632 static int rocker_cmd_get_port_stats_ethtool(struct rocker_port
*rocker_port
,
4635 return rocker_cmd_exec(rocker_port
, SWITCHDEV_TRANS_NONE
, 0,
4636 rocker_cmd_get_port_stats_prep
, NULL
,
4637 rocker_cmd_get_port_stats_ethtool_proc
,
4641 static void rocker_port_get_stats(struct net_device
*dev
,
4642 struct ethtool_stats
*stats
, u64
*data
)
4644 struct rocker_port
*rocker_port
= netdev_priv(dev
);
4646 if (rocker_cmd_get_port_stats_ethtool(rocker_port
, data
) != 0) {
4649 for (i
= 0; i
< ARRAY_SIZE(rocker_port_stats
); ++i
)
4654 static int rocker_port_get_sset_count(struct net_device
*netdev
, int sset
)
4658 return ROCKER_PORT_STATS_LEN
;
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
,
4669 .get_strings
= rocker_port_get_strings
,
4670 .get_ethtool_stats
= rocker_port_get_stats
,
4671 .get_sset_count
= rocker_port_get_sset_count
,
4678 static struct rocker_port
*rocker_port_napi_tx_get(struct napi_struct
*napi
)
4680 return container_of(napi
, struct rocker_port
, napi_tx
);
4683 static int rocker_port_poll_tx(struct napi_struct
*napi
, int budget
)
4685 struct rocker_port
*rocker_port
= rocker_port_napi_tx_get(napi
);
4686 const struct rocker
*rocker
= rocker_port
->rocker
;
4687 const struct rocker_desc_info
*desc_info
;
4691 /* Cleanup tx descriptors */
4692 while ((desc_info
= rocker_desc_tail_get(&rocker_port
->tx_ring
))) {
4693 struct sk_buff
*skb
;
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",
4699 rocker_tx_desc_frags_unmap(rocker_port
, desc_info
);
4701 skb
= rocker_desc_cookie_ptr_get(desc_info
);
4703 rocker_port
->dev
->stats
.tx_packets
++;
4704 rocker_port
->dev
->stats
.tx_bytes
+= skb
->len
;
4706 rocker_port
->dev
->stats
.tx_errors
++;
4709 dev_kfree_skb_any(skb
);
4713 if (credits
&& netif_queue_stopped(rocker_port
->dev
))
4714 netif_wake_queue(rocker_port
->dev
);
4716 napi_complete(napi
);
4717 rocker_dma_ring_credits_set(rocker
, &rocker_port
->tx_ring
, credits
);
4722 static int rocker_port_rx_proc(const struct rocker
*rocker
,
4723 const struct rocker_port
*rocker_port
,
4724 struct rocker_desc_info
*desc_info
)
4726 const struct rocker_tlv
*attrs
[ROCKER_TLV_RX_MAX
+ 1];
4727 struct sk_buff
*skb
= rocker_desc_cookie_ptr_get(desc_info
);
4733 rocker_tlv_parse_desc(attrs
, ROCKER_TLV_RX_MAX
, desc_info
);
4734 if (!attrs
[ROCKER_TLV_RX_FRAG_LEN
])
4737 rocker_dma_rx_ring_skb_unmap(rocker
, attrs
);
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
);
4743 rocker_port
->dev
->stats
.rx_packets
++;
4744 rocker_port
->dev
->stats
.rx_bytes
+= skb
->len
;
4746 netif_receive_skb(skb
);
4748 return rocker_dma_rx_ring_skb_alloc(rocker_port
, desc_info
);
4751 static struct rocker_port
*rocker_port_napi_rx_get(struct napi_struct
*napi
)
4753 return container_of(napi
, struct rocker_port
, napi_rx
);
4756 static int rocker_port_poll_rx(struct napi_struct
*napi
, int budget
)
4758 struct rocker_port
*rocker_port
= rocker_port_napi_rx_get(napi
);
4759 const struct rocker
*rocker
= rocker_port
->rocker
;
4760 struct rocker_desc_info
*desc_info
;
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
);
4769 if (net_ratelimit())
4770 netdev_err(rocker_port
->dev
, "rx desc received with err %d\n",
4773 err
= rocker_port_rx_proc(rocker
, rocker_port
,
4775 if (err
&& net_ratelimit())
4776 netdev_err(rocker_port
->dev
, "rx processing failed with err %d\n",
4780 rocker_port
->dev
->stats
.rx_errors
++;
4782 rocker_desc_gen_clear(desc_info
);
4783 rocker_desc_head_set(rocker
, &rocker_port
->rx_ring
, desc_info
);
4787 if (credits
< budget
)
4788 napi_complete(napi
);
4790 rocker_dma_ring_credits_set(rocker
, &rocker_port
->rx_ring
, credits
);
4799 static void rocker_carrier_init(const struct rocker_port
*rocker_port
)
4801 const struct rocker
*rocker
= rocker_port
->rocker
;
4802 u64 link_status
= rocker_read64(rocker
, PORT_PHYS_LINK_STATUS
);
4805 link_up
= link_status
& (1 << rocker_port
->pport
);
4807 netif_carrier_on(rocker_port
->dev
);
4809 netif_carrier_off(rocker_port
->dev
);
4812 static void rocker_remove_ports(const struct rocker
*rocker
)
4814 struct rocker_port
*rocker_port
;
4817 for (i
= 0; i
< rocker
->port_count
; i
++) {
4818 rocker_port
= rocker
->ports
[i
];
4821 rocker_port_ig_tbl(rocker_port
, SWITCHDEV_TRANS_NONE
,
4822 ROCKER_OP_FLAG_REMOVE
);
4823 unregister_netdev(rocker_port
->dev
);
4824 free_netdev(rocker_port
->dev
);
4826 kfree(rocker
->ports
);
4829 static void rocker_port_dev_addr_init(struct rocker_port
*rocker_port
)
4831 const struct rocker
*rocker
= rocker_port
->rocker
;
4832 const struct pci_dev
*pdev
= rocker
->pdev
;
4835 err
= rocker_cmd_get_port_settings_macaddr(rocker_port
,
4836 rocker_port
->dev
->dev_addr
);
4838 dev_warn(&pdev
->dev
, "failed to get mac address, using random\n");
4839 eth_hw_addr_random(rocker_port
->dev
);
4843 static int rocker_probe_port(struct rocker
*rocker
, unsigned int port_number
)
4845 const struct pci_dev
*pdev
= rocker
->pdev
;
4846 struct rocker_port
*rocker_port
;
4847 struct net_device
*dev
;
4848 u16 untagged_vid
= 0;
4851 dev
= alloc_etherdev(sizeof(struct rocker_port
));
4854 rocker_port
= netdev_priv(dev
);
4855 rocker_port
->dev
= dev
;
4856 rocker_port
->rocker
= rocker
;
4857 rocker_port
->port_number
= port_number
;
4858 rocker_port
->pport
= port_number
+ 1;
4859 rocker_port
->brport_flags
= BR_LEARNING
| BR_LEARNING_SYNC
;
4860 INIT_LIST_HEAD(&rocker_port
->trans_mem
);
4862 rocker_port_dev_addr_init(rocker_port
);
4863 dev
->netdev_ops
= &rocker_port_netdev_ops
;
4864 dev
->ethtool_ops
= &rocker_port_ethtool_ops
;
4865 dev
->switchdev_ops
= &rocker_port_switchdev_ops
;
4866 netif_napi_add(dev
, &rocker_port
->napi_tx
, rocker_port_poll_tx
,
4868 netif_napi_add(dev
, &rocker_port
->napi_rx
, rocker_port_poll_rx
,
4870 rocker_carrier_init(rocker_port
);
4872 dev
->features
|= NETIF_F_NETNS_LOCAL
;
4874 err
= register_netdev(dev
);
4876 dev_err(&pdev
->dev
, "register_netdev failed\n");
4877 goto err_register_netdev
;
4879 rocker
->ports
[port_number
] = rocker_port
;
4881 rocker_port_set_learning(rocker_port
, SWITCHDEV_TRANS_NONE
);
4883 err
= rocker_port_ig_tbl(rocker_port
, SWITCHDEV_TRANS_NONE
, 0);
4885 dev_err(&pdev
->dev
, "install ig port table failed\n");
4886 goto err_port_ig_tbl
;
4889 rocker_port
->internal_vlan_id
=
4890 rocker_port_internal_vlan_id_get(rocker_port
, dev
->ifindex
);
4892 err
= rocker_port_vlan_add(rocker_port
, SWITCHDEV_TRANS_NONE
,
4895 netdev_err(rocker_port
->dev
, "install untagged VLAN failed\n");
4896 goto err_untagged_vlan
;
4902 rocker_port_ig_tbl(rocker_port
, SWITCHDEV_TRANS_NONE
,
4903 ROCKER_OP_FLAG_REMOVE
);
4905 unregister_netdev(dev
);
4906 err_register_netdev
:
4911 static int rocker_probe_ports(struct rocker
*rocker
)
4917 alloc_size
= sizeof(struct rocker_port
*) * rocker
->port_count
;
4918 rocker
->ports
= kzalloc(alloc_size
, GFP_KERNEL
);
4921 for (i
= 0; i
< rocker
->port_count
; i
++) {
4922 err
= rocker_probe_port(rocker
, i
);
4929 rocker_remove_ports(rocker
);
4933 static int rocker_msix_init(struct rocker
*rocker
)
4935 struct pci_dev
*pdev
= rocker
->pdev
;
4940 msix_entries
= pci_msix_vec_count(pdev
);
4941 if (msix_entries
< 0)
4942 return msix_entries
;
4944 if (msix_entries
!= ROCKER_MSIX_VEC_COUNT(rocker
->port_count
))
4947 rocker
->msix_entries
= kmalloc_array(msix_entries
,
4948 sizeof(struct msix_entry
),
4950 if (!rocker
->msix_entries
)
4953 for (i
= 0; i
< msix_entries
; i
++)
4954 rocker
->msix_entries
[i
].entry
= i
;
4956 err
= pci_enable_msix_exact(pdev
, rocker
->msix_entries
, msix_entries
);
4958 goto err_enable_msix
;
4963 kfree(rocker
->msix_entries
);
4967 static void rocker_msix_fini(const struct rocker
*rocker
)
4969 pci_disable_msix(rocker
->pdev
);
4970 kfree(rocker
->msix_entries
);
4973 static int rocker_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
4975 struct rocker
*rocker
;
4978 rocker
= kzalloc(sizeof(*rocker
), GFP_KERNEL
);
4982 err
= pci_enable_device(pdev
);
4984 dev_err(&pdev
->dev
, "pci_enable_device failed\n");
4985 goto err_pci_enable_device
;
4988 err
= pci_request_regions(pdev
, rocker_driver_name
);
4990 dev_err(&pdev
->dev
, "pci_request_regions failed\n");
4991 goto err_pci_request_regions
;
4994 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(64));
4996 err
= pci_set_consistent_dma_mask(pdev
, DMA_BIT_MASK(64));
4998 dev_err(&pdev
->dev
, "pci_set_consistent_dma_mask failed\n");
4999 goto err_pci_set_dma_mask
;
5002 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
5004 dev_err(&pdev
->dev
, "pci_set_dma_mask failed\n");
5005 goto err_pci_set_dma_mask
;
5009 if (pci_resource_len(pdev
, 0) < ROCKER_PCI_BAR0_SIZE
) {
5010 dev_err(&pdev
->dev
, "invalid PCI region size\n");
5012 goto err_pci_resource_len_check
;
5015 rocker
->hw_addr
= ioremap(pci_resource_start(pdev
, 0),
5016 pci_resource_len(pdev
, 0));
5017 if (!rocker
->hw_addr
) {
5018 dev_err(&pdev
->dev
, "ioremap failed\n");
5022 pci_set_master(pdev
);
5024 rocker
->pdev
= pdev
;
5025 pci_set_drvdata(pdev
, rocker
);
5027 rocker
->port_count
= rocker_read32(rocker
, PORT_PHYS_COUNT
);
5029 err
= rocker_msix_init(rocker
);
5031 dev_err(&pdev
->dev
, "MSI-X init failed\n");
5035 err
= rocker_basic_hw_test(rocker
);
5037 dev_err(&pdev
->dev
, "basic hw test failed\n");
5038 goto err_basic_hw_test
;
5041 rocker_write32(rocker
, CONTROL
, ROCKER_CONTROL_RESET
);
5043 err
= rocker_dma_rings_init(rocker
);
5045 goto err_dma_rings_init
;
5047 err
= request_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_CMD
),
5048 rocker_cmd_irq_handler
, 0,
5049 rocker_driver_name
, rocker
);
5051 dev_err(&pdev
->dev
, "cannot assign cmd irq\n");
5052 goto err_request_cmd_irq
;
5055 err
= request_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_EVENT
),
5056 rocker_event_irq_handler
, 0,
5057 rocker_driver_name
, rocker
);
5059 dev_err(&pdev
->dev
, "cannot assign event irq\n");
5060 goto err_request_event_irq
;
5063 rocker
->hw
.id
= rocker_read64(rocker
, SWITCH_ID
);
5065 err
= rocker_init_tbls(rocker
);
5067 dev_err(&pdev
->dev
, "cannot init rocker tables\n");
5071 err
= rocker_probe_ports(rocker
);
5073 dev_err(&pdev
->dev
, "failed to probe ports\n");
5074 goto err_probe_ports
;
5077 dev_info(&pdev
->dev
, "Rocker switch with id %016llx\n", rocker
->hw
.id
);
5082 rocker_free_tbls(rocker
);
5084 free_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_EVENT
), rocker
);
5085 err_request_event_irq
:
5086 free_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_CMD
), rocker
);
5087 err_request_cmd_irq
:
5088 rocker_dma_rings_fini(rocker
);
5091 rocker_msix_fini(rocker
);
5093 iounmap(rocker
->hw_addr
);
5095 err_pci_resource_len_check
:
5096 err_pci_set_dma_mask
:
5097 pci_release_regions(pdev
);
5098 err_pci_request_regions
:
5099 pci_disable_device(pdev
);
5100 err_pci_enable_device
:
5105 static void rocker_remove(struct pci_dev
*pdev
)
5107 struct rocker
*rocker
= pci_get_drvdata(pdev
);
5109 rocker_free_tbls(rocker
);
5110 rocker_write32(rocker
, CONTROL
, ROCKER_CONTROL_RESET
);
5111 rocker_remove_ports(rocker
);
5112 free_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_EVENT
), rocker
);
5113 free_irq(rocker_msix_vector(rocker
, ROCKER_MSIX_VEC_CMD
), rocker
);
5114 rocker_dma_rings_fini(rocker
);
5115 rocker_msix_fini(rocker
);
5116 iounmap(rocker
->hw_addr
);
5117 pci_release_regions(rocker
->pdev
);
5118 pci_disable_device(rocker
->pdev
);
5122 static struct pci_driver rocker_pci_driver
= {
5123 .name
= rocker_driver_name
,
5124 .id_table
= rocker_pci_id_table
,
5125 .probe
= rocker_probe
,
5126 .remove
= rocker_remove
,
5129 /************************************
5130 * Net device notifier event handler
5131 ************************************/
5133 static bool rocker_port_dev_check(const struct net_device
*dev
)
5135 return dev
->netdev_ops
== &rocker_port_netdev_ops
;
5138 static int rocker_port_bridge_join(struct rocker_port
*rocker_port
,
5139 struct net_device
*bridge
)
5141 u16 untagged_vid
= 0;
5144 /* Port is joining bridge, so the internal VLAN for the
5145 * port is going to change to the bridge internal VLAN.
5146 * Let's remove untagged VLAN (vid=0) from port and
5147 * re-add once internal VLAN has changed.
5150 err
= rocker_port_vlan_del(rocker_port
, untagged_vid
, 0);
5154 rocker_port_internal_vlan_id_put(rocker_port
,
5155 rocker_port
->dev
->ifindex
);
5156 rocker_port
->internal_vlan_id
=
5157 rocker_port_internal_vlan_id_get(rocker_port
, bridge
->ifindex
);
5159 rocker_port
->bridge_dev
= bridge
;
5161 return rocker_port_vlan_add(rocker_port
, SWITCHDEV_TRANS_NONE
,
5165 static int rocker_port_bridge_leave(struct rocker_port
*rocker_port
)
5167 u16 untagged_vid
= 0;
5170 err
= rocker_port_vlan_del(rocker_port
, untagged_vid
, 0);
5174 rocker_port_internal_vlan_id_put(rocker_port
,
5175 rocker_port
->bridge_dev
->ifindex
);
5176 rocker_port
->internal_vlan_id
=
5177 rocker_port_internal_vlan_id_get(rocker_port
,
5178 rocker_port
->dev
->ifindex
);
5180 rocker_port
->bridge_dev
= NULL
;
5182 err
= rocker_port_vlan_add(rocker_port
, SWITCHDEV_TRANS_NONE
,
5187 if (rocker_port
->dev
->flags
& IFF_UP
)
5188 err
= rocker_port_fwd_enable(rocker_port
,
5189 SWITCHDEV_TRANS_NONE
, 0);
5194 static int rocker_port_master_changed(struct net_device
*dev
)
5196 struct rocker_port
*rocker_port
= netdev_priv(dev
);
5197 struct net_device
*master
= netdev_master_upper_dev_get(dev
);
5200 /* There are currently three cases handled here:
5201 * 1. Joining a bridge
5202 * 2. Leaving a previously joined bridge
5203 * 3. Other, e.g. being added to or removed from a bond or openvswitch,
5204 * in which case nothing is done
5206 if (master
&& master
->rtnl_link_ops
&&
5207 !strcmp(master
->rtnl_link_ops
->kind
, "bridge"))
5208 err
= rocker_port_bridge_join(rocker_port
, master
);
5209 else if (rocker_port_is_bridged(rocker_port
))
5210 err
= rocker_port_bridge_leave(rocker_port
);
5215 static int rocker_netdevice_event(struct notifier_block
*unused
,
5216 unsigned long event
, void *ptr
)
5218 struct net_device
*dev
;
5222 case NETDEV_CHANGEUPPER
:
5223 dev
= netdev_notifier_info_to_dev(ptr
);
5224 if (!rocker_port_dev_check(dev
))
5226 err
= rocker_port_master_changed(dev
);
5229 "failed to reflect master change (err %d)\n",
5237 static struct notifier_block rocker_netdevice_nb __read_mostly
= {
5238 .notifier_call
= rocker_netdevice_event
,
5241 /************************************
5242 * Net event notifier event handler
5243 ************************************/
5245 static int rocker_neigh_update(struct net_device
*dev
, struct neighbour
*n
)
5247 struct rocker_port
*rocker_port
= netdev_priv(dev
);
5248 int flags
= (n
->nud_state
& NUD_VALID
? 0 : ROCKER_OP_FLAG_REMOVE
) |
5249 ROCKER_OP_FLAG_NOWAIT
;
5250 __be32 ip_addr
= *(__be32
*)n
->primary_key
;
5252 return rocker_port_ipv4_neigh(rocker_port
, SWITCHDEV_TRANS_NONE
,
5253 flags
, ip_addr
, n
->ha
);
5256 static int rocker_netevent_event(struct notifier_block
*unused
,
5257 unsigned long event
, void *ptr
)
5259 struct net_device
*dev
;
5260 struct neighbour
*n
= ptr
;
5264 case NETEVENT_NEIGH_UPDATE
:
5265 if (n
->tbl
!= &arp_tbl
)
5268 if (!rocker_port_dev_check(dev
))
5270 err
= rocker_neigh_update(dev
, n
);
5273 "failed to handle neigh update (err %d)\n",
5281 static struct notifier_block rocker_netevent_nb __read_mostly
= {
5282 .notifier_call
= rocker_netevent_event
,
5285 /***********************
5286 * Module init and exit
5287 ***********************/
5289 static int __init
rocker_module_init(void)
5293 register_netdevice_notifier(&rocker_netdevice_nb
);
5294 register_netevent_notifier(&rocker_netevent_nb
);
5295 err
= pci_register_driver(&rocker_pci_driver
);
5297 goto err_pci_register_driver
;
5300 err_pci_register_driver
:
5301 unregister_netevent_notifier(&rocker_netevent_nb
);
5302 unregister_netdevice_notifier(&rocker_netdevice_nb
);
5306 static void __exit
rocker_module_exit(void)
5308 unregister_netevent_notifier(&rocker_netevent_nb
);
5309 unregister_netdevice_notifier(&rocker_netdevice_nb
);
5310 pci_unregister_driver(&rocker_pci_driver
);
5313 module_init(rocker_module_init
);
5314 module_exit(rocker_module_exit
);
5316 MODULE_LICENSE("GPL v2");
5317 MODULE_AUTHOR("Jiri Pirko <jiri@resnulli.us>");
5318 MODULE_AUTHOR("Scott Feldman <sfeldma@gmail.com>");
5319 MODULE_DESCRIPTION("Rocker switch device driver");
5320 MODULE_DEVICE_TABLE(pci
, rocker_pci_id_table
);