1 /* bnx2x_sp.c: Broadcom Everest network driver.
3 * Copyright (c) 2011-2012 Broadcom Corporation
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Vladislav Zolotarov
20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22 #include <linux/module.h>
23 #include <linux/crc32.h>
24 #include <linux/netdevice.h>
25 #include <linux/etherdevice.h>
26 #include <linux/crc32c.h>
28 #include "bnx2x_cmn.h"
31 #define BNX2X_MAX_EMUL_MULTI 16
33 #define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN)
35 /**** Exe Queue interfaces ****/
38 * bnx2x_exe_queue_init - init the Exe Queue object
40 * @o: poiter to the object
42 * @owner: poiter to the owner
43 * @validate: validate function pointer
44 * @optimize: optimize function pointer
45 * @exec: execute function pointer
46 * @get: get function pointer
48 static inline void bnx2x_exe_queue_init(struct bnx2x
*bp
,
49 struct bnx2x_exe_queue_obj
*o
,
51 union bnx2x_qable_obj
*owner
,
52 exe_q_validate validate
,
54 exe_q_optimize optimize
,
58 memset(o
, 0, sizeof(*o
));
60 INIT_LIST_HEAD(&o
->exe_queue
);
61 INIT_LIST_HEAD(&o
->pending_comp
);
63 spin_lock_init(&o
->lock
);
65 o
->exe_chunk_len
= exe_len
;
68 /* Owner specific callbacks */
69 o
->validate
= validate
;
71 o
->optimize
= optimize
;
75 DP(BNX2X_MSG_SP
, "Setup the execution queue with the chunk length of %d\n",
79 static inline void bnx2x_exe_queue_free_elem(struct bnx2x
*bp
,
80 struct bnx2x_exeq_elem
*elem
)
82 DP(BNX2X_MSG_SP
, "Deleting an exe_queue element\n");
86 static inline int bnx2x_exe_queue_length(struct bnx2x_exe_queue_obj
*o
)
88 struct bnx2x_exeq_elem
*elem
;
91 spin_lock_bh(&o
->lock
);
93 list_for_each_entry(elem
, &o
->exe_queue
, link
)
96 spin_unlock_bh(&o
->lock
);
102 * bnx2x_exe_queue_add - add a new element to the execution queue
106 * @cmd: new command to add
107 * @restore: true - do not optimize the command
109 * If the element is optimized or is illegal, frees it.
111 static inline int bnx2x_exe_queue_add(struct bnx2x
*bp
,
112 struct bnx2x_exe_queue_obj
*o
,
113 struct bnx2x_exeq_elem
*elem
,
118 spin_lock_bh(&o
->lock
);
121 /* Try to cancel this element queue */
122 rc
= o
->optimize(bp
, o
->owner
, elem
);
126 /* Check if this request is ok */
127 rc
= o
->validate(bp
, o
->owner
, elem
);
129 BNX2X_ERR("Preamble failed: %d\n", rc
);
134 /* If so, add it to the execution queue */
135 list_add_tail(&elem
->link
, &o
->exe_queue
);
137 spin_unlock_bh(&o
->lock
);
142 bnx2x_exe_queue_free_elem(bp
, elem
);
144 spin_unlock_bh(&o
->lock
);
150 static inline void __bnx2x_exe_queue_reset_pending(
152 struct bnx2x_exe_queue_obj
*o
)
154 struct bnx2x_exeq_elem
*elem
;
156 while (!list_empty(&o
->pending_comp
)) {
157 elem
= list_first_entry(&o
->pending_comp
,
158 struct bnx2x_exeq_elem
, link
);
160 list_del(&elem
->link
);
161 bnx2x_exe_queue_free_elem(bp
, elem
);
165 static inline void bnx2x_exe_queue_reset_pending(struct bnx2x
*bp
,
166 struct bnx2x_exe_queue_obj
*o
)
169 spin_lock_bh(&o
->lock
);
171 __bnx2x_exe_queue_reset_pending(bp
, o
);
173 spin_unlock_bh(&o
->lock
);
178 * bnx2x_exe_queue_step - execute one execution chunk atomically
182 * @ramrod_flags: flags
184 * (Atomicy is ensured using the exe_queue->lock).
186 static inline int bnx2x_exe_queue_step(struct bnx2x
*bp
,
187 struct bnx2x_exe_queue_obj
*o
,
188 unsigned long *ramrod_flags
)
190 struct bnx2x_exeq_elem
*elem
, spacer
;
193 memset(&spacer
, 0, sizeof(spacer
));
195 spin_lock_bh(&o
->lock
);
198 * Next step should not be performed until the current is finished,
199 * unless a DRV_CLEAR_ONLY bit is set. In this case we just want to
200 * properly clear object internals without sending any command to the FW
201 * which also implies there won't be any completion to clear the
204 if (!list_empty(&o
->pending_comp
)) {
205 if (test_bit(RAMROD_DRV_CLR_ONLY
, ramrod_flags
)) {
206 DP(BNX2X_MSG_SP
, "RAMROD_DRV_CLR_ONLY requested: resetting a pending_comp list\n");
207 __bnx2x_exe_queue_reset_pending(bp
, o
);
209 spin_unlock_bh(&o
->lock
);
215 * Run through the pending commands list and create a next
218 while (!list_empty(&o
->exe_queue
)) {
219 elem
= list_first_entry(&o
->exe_queue
, struct bnx2x_exeq_elem
,
221 WARN_ON(!elem
->cmd_len
);
223 if (cur_len
+ elem
->cmd_len
<= o
->exe_chunk_len
) {
224 cur_len
+= elem
->cmd_len
;
226 * Prevent from both lists being empty when moving an
227 * element. This will allow the call of
228 * bnx2x_exe_queue_empty() without locking.
230 list_add_tail(&spacer
.link
, &o
->pending_comp
);
232 list_del(&elem
->link
);
233 list_add_tail(&elem
->link
, &o
->pending_comp
);
234 list_del(&spacer
.link
);
241 spin_unlock_bh(&o
->lock
);
245 rc
= o
->execute(bp
, o
->owner
, &o
->pending_comp
, ramrod_flags
);
248 * In case of an error return the commands back to the queue
249 * and reset the pending_comp.
251 list_splice_init(&o
->pending_comp
, &o
->exe_queue
);
254 * If zero is returned, means there are no outstanding pending
255 * completions and we may dismiss the pending list.
257 __bnx2x_exe_queue_reset_pending(bp
, o
);
259 spin_unlock_bh(&o
->lock
);
263 static inline bool bnx2x_exe_queue_empty(struct bnx2x_exe_queue_obj
*o
)
265 bool empty
= list_empty(&o
->exe_queue
);
267 /* Don't reorder!!! */
270 return empty
&& list_empty(&o
->pending_comp
);
273 static inline struct bnx2x_exeq_elem
*bnx2x_exe_queue_alloc_elem(
276 DP(BNX2X_MSG_SP
, "Allocating a new exe_queue element\n");
277 return kzalloc(sizeof(struct bnx2x_exeq_elem
), GFP_ATOMIC
);
280 /************************ raw_obj functions ***********************************/
281 static bool bnx2x_raw_check_pending(struct bnx2x_raw_obj
*o
)
283 return !!test_bit(o
->state
, o
->pstate
);
286 static void bnx2x_raw_clear_pending(struct bnx2x_raw_obj
*o
)
288 smp_mb__before_clear_bit();
289 clear_bit(o
->state
, o
->pstate
);
290 smp_mb__after_clear_bit();
293 static void bnx2x_raw_set_pending(struct bnx2x_raw_obj
*o
)
295 smp_mb__before_clear_bit();
296 set_bit(o
->state
, o
->pstate
);
297 smp_mb__after_clear_bit();
301 * bnx2x_state_wait - wait until the given bit(state) is cleared
304 * @state: state which is to be cleared
305 * @state_p: state buffer
308 static inline int bnx2x_state_wait(struct bnx2x
*bp
, int state
,
309 unsigned long *pstate
)
311 /* can take a while if any port is running */
315 if (CHIP_REV_IS_EMUL(bp
))
318 DP(BNX2X_MSG_SP
, "waiting for state to become %d\n", state
);
322 if (!test_bit(state
, pstate
)) {
323 #ifdef BNX2X_STOP_ON_ERROR
324 DP(BNX2X_MSG_SP
, "exit (cnt %d)\n", 5000 - cnt
);
329 usleep_range(1000, 1000);
336 BNX2X_ERR("timeout waiting for state %d\n", state
);
337 #ifdef BNX2X_STOP_ON_ERROR
344 static int bnx2x_raw_wait(struct bnx2x
*bp
, struct bnx2x_raw_obj
*raw
)
346 return bnx2x_state_wait(bp
, raw
->state
, raw
->pstate
);
349 /***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/
350 /* credit handling callbacks */
351 static bool bnx2x_get_cam_offset_mac(struct bnx2x_vlan_mac_obj
*o
, int *offset
)
353 struct bnx2x_credit_pool_obj
*mp
= o
->macs_pool
;
357 return mp
->get_entry(mp
, offset
);
360 static bool bnx2x_get_credit_mac(struct bnx2x_vlan_mac_obj
*o
)
362 struct bnx2x_credit_pool_obj
*mp
= o
->macs_pool
;
366 return mp
->get(mp
, 1);
369 static bool bnx2x_get_cam_offset_vlan(struct bnx2x_vlan_mac_obj
*o
, int *offset
)
371 struct bnx2x_credit_pool_obj
*vp
= o
->vlans_pool
;
375 return vp
->get_entry(vp
, offset
);
378 static bool bnx2x_get_credit_vlan(struct bnx2x_vlan_mac_obj
*o
)
380 struct bnx2x_credit_pool_obj
*vp
= o
->vlans_pool
;
384 return vp
->get(vp
, 1);
387 static bool bnx2x_get_credit_vlan_mac(struct bnx2x_vlan_mac_obj
*o
)
389 struct bnx2x_credit_pool_obj
*mp
= o
->macs_pool
;
390 struct bnx2x_credit_pool_obj
*vp
= o
->vlans_pool
;
395 if (!vp
->get(vp
, 1)) {
403 static bool bnx2x_put_cam_offset_mac(struct bnx2x_vlan_mac_obj
*o
, int offset
)
405 struct bnx2x_credit_pool_obj
*mp
= o
->macs_pool
;
407 return mp
->put_entry(mp
, offset
);
410 static bool bnx2x_put_credit_mac(struct bnx2x_vlan_mac_obj
*o
)
412 struct bnx2x_credit_pool_obj
*mp
= o
->macs_pool
;
414 return mp
->put(mp
, 1);
417 static bool bnx2x_put_cam_offset_vlan(struct bnx2x_vlan_mac_obj
*o
, int offset
)
419 struct bnx2x_credit_pool_obj
*vp
= o
->vlans_pool
;
421 return vp
->put_entry(vp
, offset
);
424 static bool bnx2x_put_credit_vlan(struct bnx2x_vlan_mac_obj
*o
)
426 struct bnx2x_credit_pool_obj
*vp
= o
->vlans_pool
;
428 return vp
->put(vp
, 1);
431 static bool bnx2x_put_credit_vlan_mac(struct bnx2x_vlan_mac_obj
*o
)
433 struct bnx2x_credit_pool_obj
*mp
= o
->macs_pool
;
434 struct bnx2x_credit_pool_obj
*vp
= o
->vlans_pool
;
439 if (!vp
->put(vp
, 1)) {
447 static int bnx2x_get_n_elements(struct bnx2x
*bp
, struct bnx2x_vlan_mac_obj
*o
,
450 struct bnx2x_vlan_mac_registry_elem
*pos
;
455 list_for_each_entry(pos
, &o
->head
, link
) {
457 /* place leading zeroes in buffer */
458 memset(next
, 0, MAC_LEADING_ZERO_CNT
);
460 /* place mac after leading zeroes*/
461 memcpy(next
+ MAC_LEADING_ZERO_CNT
, pos
->u
.mac
.mac
,
464 /* calculate address of next element and
468 next
= buf
+ counter
* ALIGN(ETH_ALEN
, sizeof(u32
));
470 DP(BNX2X_MSG_SP
, "copied element number %d to address %p element was %pM\n",
471 counter
, next
, pos
->u
.mac
.mac
);
474 return counter
* ETH_ALEN
;
477 /* check_add() callbacks */
478 static int bnx2x_check_mac_add(struct bnx2x
*bp
,
479 struct bnx2x_vlan_mac_obj
*o
,
480 union bnx2x_classification_ramrod_data
*data
)
482 struct bnx2x_vlan_mac_registry_elem
*pos
;
484 DP(BNX2X_MSG_SP
, "Checking MAC %pM for ADD command\n", data
->mac
.mac
);
486 if (!is_valid_ether_addr(data
->mac
.mac
))
489 /* Check if a requested MAC already exists */
490 list_for_each_entry(pos
, &o
->head
, link
)
491 if (!memcmp(data
->mac
.mac
, pos
->u
.mac
.mac
, ETH_ALEN
))
497 static int bnx2x_check_vlan_add(struct bnx2x
*bp
,
498 struct bnx2x_vlan_mac_obj
*o
,
499 union bnx2x_classification_ramrod_data
*data
)
501 struct bnx2x_vlan_mac_registry_elem
*pos
;
503 DP(BNX2X_MSG_SP
, "Checking VLAN %d for ADD command\n", data
->vlan
.vlan
);
505 list_for_each_entry(pos
, &o
->head
, link
)
506 if (data
->vlan
.vlan
== pos
->u
.vlan
.vlan
)
512 static int bnx2x_check_vlan_mac_add(struct bnx2x
*bp
,
513 struct bnx2x_vlan_mac_obj
*o
,
514 union bnx2x_classification_ramrod_data
*data
)
516 struct bnx2x_vlan_mac_registry_elem
*pos
;
518 DP(BNX2X_MSG_SP
, "Checking VLAN_MAC (%pM, %d) for ADD command\n",
519 data
->vlan_mac
.mac
, data
->vlan_mac
.vlan
);
521 list_for_each_entry(pos
, &o
->head
, link
)
522 if ((data
->vlan_mac
.vlan
== pos
->u
.vlan_mac
.vlan
) &&
523 (!memcmp(data
->vlan_mac
.mac
, pos
->u
.vlan_mac
.mac
,
531 /* check_del() callbacks */
532 static struct bnx2x_vlan_mac_registry_elem
*
533 bnx2x_check_mac_del(struct bnx2x
*bp
,
534 struct bnx2x_vlan_mac_obj
*o
,
535 union bnx2x_classification_ramrod_data
*data
)
537 struct bnx2x_vlan_mac_registry_elem
*pos
;
539 DP(BNX2X_MSG_SP
, "Checking MAC %pM for DEL command\n", data
->mac
.mac
);
541 list_for_each_entry(pos
, &o
->head
, link
)
542 if (!memcmp(data
->mac
.mac
, pos
->u
.mac
.mac
, ETH_ALEN
))
548 static struct bnx2x_vlan_mac_registry_elem
*
549 bnx2x_check_vlan_del(struct bnx2x
*bp
,
550 struct bnx2x_vlan_mac_obj
*o
,
551 union bnx2x_classification_ramrod_data
*data
)
553 struct bnx2x_vlan_mac_registry_elem
*pos
;
555 DP(BNX2X_MSG_SP
, "Checking VLAN %d for DEL command\n", data
->vlan
.vlan
);
557 list_for_each_entry(pos
, &o
->head
, link
)
558 if (data
->vlan
.vlan
== pos
->u
.vlan
.vlan
)
564 static struct bnx2x_vlan_mac_registry_elem
*
565 bnx2x_check_vlan_mac_del(struct bnx2x
*bp
,
566 struct bnx2x_vlan_mac_obj
*o
,
567 union bnx2x_classification_ramrod_data
*data
)
569 struct bnx2x_vlan_mac_registry_elem
*pos
;
571 DP(BNX2X_MSG_SP
, "Checking VLAN_MAC (%pM, %d) for DEL command\n",
572 data
->vlan_mac
.mac
, data
->vlan_mac
.vlan
);
574 list_for_each_entry(pos
, &o
->head
, link
)
575 if ((data
->vlan_mac
.vlan
== pos
->u
.vlan_mac
.vlan
) &&
576 (!memcmp(data
->vlan_mac
.mac
, pos
->u
.vlan_mac
.mac
,
583 /* check_move() callback */
584 static bool bnx2x_check_move(struct bnx2x
*bp
,
585 struct bnx2x_vlan_mac_obj
*src_o
,
586 struct bnx2x_vlan_mac_obj
*dst_o
,
587 union bnx2x_classification_ramrod_data
*data
)
589 struct bnx2x_vlan_mac_registry_elem
*pos
;
592 /* Check if we can delete the requested configuration from the first
595 pos
= src_o
->check_del(bp
, src_o
, data
);
597 /* check if configuration can be added */
598 rc
= dst_o
->check_add(bp
, dst_o
, data
);
600 /* If this classification can not be added (is already set)
601 * or can't be deleted - return an error.
609 static bool bnx2x_check_move_always_err(
611 struct bnx2x_vlan_mac_obj
*src_o
,
612 struct bnx2x_vlan_mac_obj
*dst_o
,
613 union bnx2x_classification_ramrod_data
*data
)
619 static inline u8
bnx2x_vlan_mac_get_rx_tx_flag(struct bnx2x_vlan_mac_obj
*o
)
621 struct bnx2x_raw_obj
*raw
= &o
->raw
;
624 if ((raw
->obj_type
== BNX2X_OBJ_TYPE_TX
) ||
625 (raw
->obj_type
== BNX2X_OBJ_TYPE_RX_TX
))
626 rx_tx_flag
|= ETH_CLASSIFY_CMD_HEADER_TX_CMD
;
628 if ((raw
->obj_type
== BNX2X_OBJ_TYPE_RX
) ||
629 (raw
->obj_type
== BNX2X_OBJ_TYPE_RX_TX
))
630 rx_tx_flag
|= ETH_CLASSIFY_CMD_HEADER_RX_CMD
;
636 void bnx2x_set_mac_in_nig(struct bnx2x
*bp
,
637 bool add
, unsigned char *dev_addr
, int index
)
640 u32 reg_offset
= BP_PORT(bp
) ? NIG_REG_LLH1_FUNC_MEM
:
641 NIG_REG_LLH0_FUNC_MEM
;
643 if (!IS_MF_SI(bp
) && !IS_MF_AFEX(bp
))
646 if (index
> BNX2X_LLH_CAM_MAX_PF_LINE
)
649 DP(BNX2X_MSG_SP
, "Going to %s LLH configuration at entry %d\n",
650 (add
? "ADD" : "DELETE"), index
);
653 /* LLH_FUNC_MEM is a u64 WB register */
654 reg_offset
+= 8*index
;
656 wb_data
[0] = ((dev_addr
[2] << 24) | (dev_addr
[3] << 16) |
657 (dev_addr
[4] << 8) | dev_addr
[5]);
658 wb_data
[1] = ((dev_addr
[0] << 8) | dev_addr
[1]);
660 REG_WR_DMAE(bp
, reg_offset
, wb_data
, 2);
663 REG_WR(bp
, (BP_PORT(bp
) ? NIG_REG_LLH1_FUNC_MEM_ENABLE
:
664 NIG_REG_LLH0_FUNC_MEM_ENABLE
) + 4*index
, add
);
668 * bnx2x_vlan_mac_set_cmd_hdr_e2 - set a header in a single classify ramrod
671 * @o: queue for which we want to configure this rule
672 * @add: if true the command is an ADD command, DEL otherwise
673 * @opcode: CLASSIFY_RULE_OPCODE_XXX
674 * @hdr: pointer to a header to setup
677 static inline void bnx2x_vlan_mac_set_cmd_hdr_e2(struct bnx2x
*bp
,
678 struct bnx2x_vlan_mac_obj
*o
, bool add
, int opcode
,
679 struct eth_classify_cmd_header
*hdr
)
681 struct bnx2x_raw_obj
*raw
= &o
->raw
;
683 hdr
->client_id
= raw
->cl_id
;
684 hdr
->func_id
= raw
->func_id
;
686 /* Rx or/and Tx (internal switching) configuration ? */
687 hdr
->cmd_general_data
|=
688 bnx2x_vlan_mac_get_rx_tx_flag(o
);
691 hdr
->cmd_general_data
|= ETH_CLASSIFY_CMD_HEADER_IS_ADD
;
693 hdr
->cmd_general_data
|=
694 (opcode
<< ETH_CLASSIFY_CMD_HEADER_OPCODE_SHIFT
);
698 * bnx2x_vlan_mac_set_rdata_hdr_e2 - set the classify ramrod data header
700 * @cid: connection id
701 * @type: BNX2X_FILTER_XXX_PENDING
702 * @hdr: poiter to header to setup
705 * currently we always configure one rule and echo field to contain a CID and an
708 static inline void bnx2x_vlan_mac_set_rdata_hdr_e2(u32 cid
, int type
,
709 struct eth_classify_header
*hdr
, int rule_cnt
)
711 hdr
->echo
= (cid
& BNX2X_SWCID_MASK
) | (type
<< BNX2X_SWCID_SHIFT
);
712 hdr
->rule_cnt
= (u8
)rule_cnt
;
716 /* hw_config() callbacks */
717 static void bnx2x_set_one_mac_e2(struct bnx2x
*bp
,
718 struct bnx2x_vlan_mac_obj
*o
,
719 struct bnx2x_exeq_elem
*elem
, int rule_idx
,
722 struct bnx2x_raw_obj
*raw
= &o
->raw
;
723 struct eth_classify_rules_ramrod_data
*data
=
724 (struct eth_classify_rules_ramrod_data
*)(raw
->rdata
);
725 int rule_cnt
= rule_idx
+ 1, cmd
= elem
->cmd_data
.vlan_mac
.cmd
;
726 union eth_classify_rule_cmd
*rule_entry
= &data
->rules
[rule_idx
];
727 bool add
= (cmd
== BNX2X_VLAN_MAC_ADD
) ? true : false;
728 unsigned long *vlan_mac_flags
= &elem
->cmd_data
.vlan_mac
.vlan_mac_flags
;
729 u8
*mac
= elem
->cmd_data
.vlan_mac
.u
.mac
.mac
;
732 * Set LLH CAM entry: currently only iSCSI and ETH macs are
733 * relevant. In addition, current implementation is tuned for a
736 * When multiple unicast ETH MACs PF configuration in switch
737 * independent mode is required (NetQ, multiple netdev MACs,
738 * etc.), consider better utilisation of 8 per function MAC
739 * entries in the LLH register. There is also
740 * NIG_REG_P[01]_LLH_FUNC_MEM2 registers that complete the
741 * total number of CAM entries to 16.
743 * Currently we won't configure NIG for MACs other than a primary ETH
744 * MAC and iSCSI L2 MAC.
746 * If this MAC is moving from one Queue to another, no need to change
749 if (cmd
!= BNX2X_VLAN_MAC_MOVE
) {
750 if (test_bit(BNX2X_ISCSI_ETH_MAC
, vlan_mac_flags
))
751 bnx2x_set_mac_in_nig(bp
, add
, mac
,
752 BNX2X_LLH_CAM_ISCSI_ETH_LINE
);
753 else if (test_bit(BNX2X_ETH_MAC
, vlan_mac_flags
))
754 bnx2x_set_mac_in_nig(bp
, add
, mac
,
755 BNX2X_LLH_CAM_ETH_LINE
);
758 /* Reset the ramrod data buffer for the first rule */
760 memset(data
, 0, sizeof(*data
));
762 /* Setup a command header */
763 bnx2x_vlan_mac_set_cmd_hdr_e2(bp
, o
, add
, CLASSIFY_RULE_OPCODE_MAC
,
764 &rule_entry
->mac
.header
);
766 DP(BNX2X_MSG_SP
, "About to %s MAC %pM for Queue %d\n",
767 (add
? "add" : "delete"), mac
, raw
->cl_id
);
769 /* Set a MAC itself */
770 bnx2x_set_fw_mac_addr(&rule_entry
->mac
.mac_msb
,
771 &rule_entry
->mac
.mac_mid
,
772 &rule_entry
->mac
.mac_lsb
, mac
);
774 /* MOVE: Add a rule that will add this MAC to the target Queue */
775 if (cmd
== BNX2X_VLAN_MAC_MOVE
) {
779 /* Setup ramrod data */
780 bnx2x_vlan_mac_set_cmd_hdr_e2(bp
,
781 elem
->cmd_data
.vlan_mac
.target_obj
,
782 true, CLASSIFY_RULE_OPCODE_MAC
,
783 &rule_entry
->mac
.header
);
785 /* Set a MAC itself */
786 bnx2x_set_fw_mac_addr(&rule_entry
->mac
.mac_msb
,
787 &rule_entry
->mac
.mac_mid
,
788 &rule_entry
->mac
.mac_lsb
, mac
);
791 /* Set the ramrod data header */
792 /* TODO: take this to the higher level in order to prevent multiple
794 bnx2x_vlan_mac_set_rdata_hdr_e2(raw
->cid
, raw
->state
, &data
->header
,
799 * bnx2x_vlan_mac_set_rdata_hdr_e1x - set a header in a single classify ramrod
804 * @cam_offset: offset in cam memory
805 * @hdr: pointer to a header to setup
809 static inline void bnx2x_vlan_mac_set_rdata_hdr_e1x(struct bnx2x
*bp
,
810 struct bnx2x_vlan_mac_obj
*o
, int type
, int cam_offset
,
811 struct mac_configuration_hdr
*hdr
)
813 struct bnx2x_raw_obj
*r
= &o
->raw
;
816 hdr
->offset
= (u8
)cam_offset
;
817 hdr
->client_id
= 0xff;
818 hdr
->echo
= ((r
->cid
& BNX2X_SWCID_MASK
) | (type
<< BNX2X_SWCID_SHIFT
));
821 static inline void bnx2x_vlan_mac_set_cfg_entry_e1x(struct bnx2x
*bp
,
822 struct bnx2x_vlan_mac_obj
*o
, bool add
, int opcode
, u8
*mac
,
823 u16 vlan_id
, struct mac_configuration_entry
*cfg_entry
)
825 struct bnx2x_raw_obj
*r
= &o
->raw
;
826 u32 cl_bit_vec
= (1 << r
->cl_id
);
828 cfg_entry
->clients_bit_vector
= cpu_to_le32(cl_bit_vec
);
829 cfg_entry
->pf_id
= r
->func_id
;
830 cfg_entry
->vlan_id
= cpu_to_le16(vlan_id
);
833 SET_FLAG(cfg_entry
->flags
, MAC_CONFIGURATION_ENTRY_ACTION_TYPE
,
834 T_ETH_MAC_COMMAND_SET
);
835 SET_FLAG(cfg_entry
->flags
,
836 MAC_CONFIGURATION_ENTRY_VLAN_FILTERING_MODE
, opcode
);
838 /* Set a MAC in a ramrod data */
839 bnx2x_set_fw_mac_addr(&cfg_entry
->msb_mac_addr
,
840 &cfg_entry
->middle_mac_addr
,
841 &cfg_entry
->lsb_mac_addr
, mac
);
843 SET_FLAG(cfg_entry
->flags
, MAC_CONFIGURATION_ENTRY_ACTION_TYPE
,
844 T_ETH_MAC_COMMAND_INVALIDATE
);
847 static inline void bnx2x_vlan_mac_set_rdata_e1x(struct bnx2x
*bp
,
848 struct bnx2x_vlan_mac_obj
*o
, int type
, int cam_offset
, bool add
,
849 u8
*mac
, u16 vlan_id
, int opcode
, struct mac_configuration_cmd
*config
)
851 struct mac_configuration_entry
*cfg_entry
= &config
->config_table
[0];
852 struct bnx2x_raw_obj
*raw
= &o
->raw
;
854 bnx2x_vlan_mac_set_rdata_hdr_e1x(bp
, o
, type
, cam_offset
,
856 bnx2x_vlan_mac_set_cfg_entry_e1x(bp
, o
, add
, opcode
, mac
, vlan_id
,
859 DP(BNX2X_MSG_SP
, "%s MAC %pM CLID %d CAM offset %d\n",
860 (add
? "setting" : "clearing"),
861 mac
, raw
->cl_id
, cam_offset
);
865 * bnx2x_set_one_mac_e1x - fill a single MAC rule ramrod data
868 * @o: bnx2x_vlan_mac_obj
869 * @elem: bnx2x_exeq_elem
870 * @rule_idx: rule_idx
871 * @cam_offset: cam_offset
873 static void bnx2x_set_one_mac_e1x(struct bnx2x
*bp
,
874 struct bnx2x_vlan_mac_obj
*o
,
875 struct bnx2x_exeq_elem
*elem
, int rule_idx
,
878 struct bnx2x_raw_obj
*raw
= &o
->raw
;
879 struct mac_configuration_cmd
*config
=
880 (struct mac_configuration_cmd
*)(raw
->rdata
);
882 * 57710 and 57711 do not support MOVE command,
883 * so it's either ADD or DEL
885 bool add
= (elem
->cmd_data
.vlan_mac
.cmd
== BNX2X_VLAN_MAC_ADD
) ?
888 /* Reset the ramrod data buffer */
889 memset(config
, 0, sizeof(*config
));
891 bnx2x_vlan_mac_set_rdata_e1x(bp
, o
, raw
->state
,
893 elem
->cmd_data
.vlan_mac
.u
.mac
.mac
, 0,
894 ETH_VLAN_FILTER_ANY_VLAN
, config
);
897 static void bnx2x_set_one_vlan_e2(struct bnx2x
*bp
,
898 struct bnx2x_vlan_mac_obj
*o
,
899 struct bnx2x_exeq_elem
*elem
, int rule_idx
,
902 struct bnx2x_raw_obj
*raw
= &o
->raw
;
903 struct eth_classify_rules_ramrod_data
*data
=
904 (struct eth_classify_rules_ramrod_data
*)(raw
->rdata
);
905 int rule_cnt
= rule_idx
+ 1;
906 union eth_classify_rule_cmd
*rule_entry
= &data
->rules
[rule_idx
];
907 int cmd
= elem
->cmd_data
.vlan_mac
.cmd
;
908 bool add
= (cmd
== BNX2X_VLAN_MAC_ADD
) ? true : false;
909 u16 vlan
= elem
->cmd_data
.vlan_mac
.u
.vlan
.vlan
;
911 /* Reset the ramrod data buffer for the first rule */
913 memset(data
, 0, sizeof(*data
));
915 /* Set a rule header */
916 bnx2x_vlan_mac_set_cmd_hdr_e2(bp
, o
, add
, CLASSIFY_RULE_OPCODE_VLAN
,
917 &rule_entry
->vlan
.header
);
919 DP(BNX2X_MSG_SP
, "About to %s VLAN %d\n", (add
? "add" : "delete"),
922 /* Set a VLAN itself */
923 rule_entry
->vlan
.vlan
= cpu_to_le16(vlan
);
925 /* MOVE: Add a rule that will add this MAC to the target Queue */
926 if (cmd
== BNX2X_VLAN_MAC_MOVE
) {
930 /* Setup ramrod data */
931 bnx2x_vlan_mac_set_cmd_hdr_e2(bp
,
932 elem
->cmd_data
.vlan_mac
.target_obj
,
933 true, CLASSIFY_RULE_OPCODE_VLAN
,
934 &rule_entry
->vlan
.header
);
936 /* Set a VLAN itself */
937 rule_entry
->vlan
.vlan
= cpu_to_le16(vlan
);
940 /* Set the ramrod data header */
941 /* TODO: take this to the higher level in order to prevent multiple
943 bnx2x_vlan_mac_set_rdata_hdr_e2(raw
->cid
, raw
->state
, &data
->header
,
947 static void bnx2x_set_one_vlan_mac_e2(struct bnx2x
*bp
,
948 struct bnx2x_vlan_mac_obj
*o
,
949 struct bnx2x_exeq_elem
*elem
,
950 int rule_idx
, int cam_offset
)
952 struct bnx2x_raw_obj
*raw
= &o
->raw
;
953 struct eth_classify_rules_ramrod_data
*data
=
954 (struct eth_classify_rules_ramrod_data
*)(raw
->rdata
);
955 int rule_cnt
= rule_idx
+ 1;
956 union eth_classify_rule_cmd
*rule_entry
= &data
->rules
[rule_idx
];
957 int cmd
= elem
->cmd_data
.vlan_mac
.cmd
;
958 bool add
= (cmd
== BNX2X_VLAN_MAC_ADD
) ? true : false;
959 u16 vlan
= elem
->cmd_data
.vlan_mac
.u
.vlan_mac
.vlan
;
960 u8
*mac
= elem
->cmd_data
.vlan_mac
.u
.vlan_mac
.mac
;
963 /* Reset the ramrod data buffer for the first rule */
965 memset(data
, 0, sizeof(*data
));
967 /* Set a rule header */
968 bnx2x_vlan_mac_set_cmd_hdr_e2(bp
, o
, add
, CLASSIFY_RULE_OPCODE_PAIR
,
969 &rule_entry
->pair
.header
);
971 /* Set VLAN and MAC themselvs */
972 rule_entry
->pair
.vlan
= cpu_to_le16(vlan
);
973 bnx2x_set_fw_mac_addr(&rule_entry
->pair
.mac_msb
,
974 &rule_entry
->pair
.mac_mid
,
975 &rule_entry
->pair
.mac_lsb
, mac
);
977 /* MOVE: Add a rule that will add this MAC to the target Queue */
978 if (cmd
== BNX2X_VLAN_MAC_MOVE
) {
982 /* Setup ramrod data */
983 bnx2x_vlan_mac_set_cmd_hdr_e2(bp
,
984 elem
->cmd_data
.vlan_mac
.target_obj
,
985 true, CLASSIFY_RULE_OPCODE_PAIR
,
986 &rule_entry
->pair
.header
);
988 /* Set a VLAN itself */
989 rule_entry
->pair
.vlan
= cpu_to_le16(vlan
);
990 bnx2x_set_fw_mac_addr(&rule_entry
->pair
.mac_msb
,
991 &rule_entry
->pair
.mac_mid
,
992 &rule_entry
->pair
.mac_lsb
, mac
);
995 /* Set the ramrod data header */
996 /* TODO: take this to the higher level in order to prevent multiple
998 bnx2x_vlan_mac_set_rdata_hdr_e2(raw
->cid
, raw
->state
, &data
->header
,
1003 * bnx2x_set_one_vlan_mac_e1h -
1005 * @bp: device handle
1006 * @o: bnx2x_vlan_mac_obj
1007 * @elem: bnx2x_exeq_elem
1008 * @rule_idx: rule_idx
1009 * @cam_offset: cam_offset
1011 static void bnx2x_set_one_vlan_mac_e1h(struct bnx2x
*bp
,
1012 struct bnx2x_vlan_mac_obj
*o
,
1013 struct bnx2x_exeq_elem
*elem
,
1014 int rule_idx
, int cam_offset
)
1016 struct bnx2x_raw_obj
*raw
= &o
->raw
;
1017 struct mac_configuration_cmd
*config
=
1018 (struct mac_configuration_cmd
*)(raw
->rdata
);
1020 * 57710 and 57711 do not support MOVE command,
1021 * so it's either ADD or DEL
1023 bool add
= (elem
->cmd_data
.vlan_mac
.cmd
== BNX2X_VLAN_MAC_ADD
) ?
1026 /* Reset the ramrod data buffer */
1027 memset(config
, 0, sizeof(*config
));
1029 bnx2x_vlan_mac_set_rdata_e1x(bp
, o
, BNX2X_FILTER_VLAN_MAC_PENDING
,
1031 elem
->cmd_data
.vlan_mac
.u
.vlan_mac
.mac
,
1032 elem
->cmd_data
.vlan_mac
.u
.vlan_mac
.vlan
,
1033 ETH_VLAN_FILTER_CLASSIFY
, config
);
1036 #define list_next_entry(pos, member) \
1037 list_entry((pos)->member.next, typeof(*(pos)), member)
1040 * bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
1042 * @bp: device handle
1043 * @p: command parameters
1044 * @ppos: pointer to the cooky
1046 * reconfigure next MAC/VLAN/VLAN-MAC element from the
1047 * previously configured elements list.
1049 * from command parameters only RAMROD_COMP_WAIT bit in ramrod_flags is taken
1052 * pointer to the cooky - that should be given back in the next call to make
1053 * function handle the next element. If *ppos is set to NULL it will restart the
1054 * iterator. If returned *ppos == NULL this means that the last element has been
1058 static int bnx2x_vlan_mac_restore(struct bnx2x
*bp
,
1059 struct bnx2x_vlan_mac_ramrod_params
*p
,
1060 struct bnx2x_vlan_mac_registry_elem
**ppos
)
1062 struct bnx2x_vlan_mac_registry_elem
*pos
;
1063 struct bnx2x_vlan_mac_obj
*o
= p
->vlan_mac_obj
;
1065 /* If list is empty - there is nothing to do here */
1066 if (list_empty(&o
->head
)) {
1071 /* make a step... */
1073 *ppos
= list_first_entry(&o
->head
,
1074 struct bnx2x_vlan_mac_registry_elem
,
1077 *ppos
= list_next_entry(*ppos
, link
);
1081 /* If it's the last step - return NULL */
1082 if (list_is_last(&pos
->link
, &o
->head
))
1085 /* Prepare a 'user_req' */
1086 memcpy(&p
->user_req
.u
, &pos
->u
, sizeof(pos
->u
));
1088 /* Set the command */
1089 p
->user_req
.cmd
= BNX2X_VLAN_MAC_ADD
;
1091 /* Set vlan_mac_flags */
1092 p
->user_req
.vlan_mac_flags
= pos
->vlan_mac_flags
;
1094 /* Set a restore bit */
1095 __set_bit(RAMROD_RESTORE
, &p
->ramrod_flags
);
1097 return bnx2x_config_vlan_mac(bp
, p
);
1101 * bnx2x_exeq_get_mac/bnx2x_exeq_get_vlan/bnx2x_exeq_get_vlan_mac return a
1102 * pointer to an element with a specific criteria and NULL if such an element
1103 * hasn't been found.
1105 static struct bnx2x_exeq_elem
*bnx2x_exeq_get_mac(
1106 struct bnx2x_exe_queue_obj
*o
,
1107 struct bnx2x_exeq_elem
*elem
)
1109 struct bnx2x_exeq_elem
*pos
;
1110 struct bnx2x_mac_ramrod_data
*data
= &elem
->cmd_data
.vlan_mac
.u
.mac
;
1112 /* Check pending for execution commands */
1113 list_for_each_entry(pos
, &o
->exe_queue
, link
)
1114 if (!memcmp(&pos
->cmd_data
.vlan_mac
.u
.mac
, data
,
1116 (pos
->cmd_data
.vlan_mac
.cmd
== elem
->cmd_data
.vlan_mac
.cmd
))
1122 static struct bnx2x_exeq_elem
*bnx2x_exeq_get_vlan(
1123 struct bnx2x_exe_queue_obj
*o
,
1124 struct bnx2x_exeq_elem
*elem
)
1126 struct bnx2x_exeq_elem
*pos
;
1127 struct bnx2x_vlan_ramrod_data
*data
= &elem
->cmd_data
.vlan_mac
.u
.vlan
;
1129 /* Check pending for execution commands */
1130 list_for_each_entry(pos
, &o
->exe_queue
, link
)
1131 if (!memcmp(&pos
->cmd_data
.vlan_mac
.u
.vlan
, data
,
1133 (pos
->cmd_data
.vlan_mac
.cmd
== elem
->cmd_data
.vlan_mac
.cmd
))
1139 static struct bnx2x_exeq_elem
*bnx2x_exeq_get_vlan_mac(
1140 struct bnx2x_exe_queue_obj
*o
,
1141 struct bnx2x_exeq_elem
*elem
)
1143 struct bnx2x_exeq_elem
*pos
;
1144 struct bnx2x_vlan_mac_ramrod_data
*data
=
1145 &elem
->cmd_data
.vlan_mac
.u
.vlan_mac
;
1147 /* Check pending for execution commands */
1148 list_for_each_entry(pos
, &o
->exe_queue
, link
)
1149 if (!memcmp(&pos
->cmd_data
.vlan_mac
.u
.vlan_mac
, data
,
1151 (pos
->cmd_data
.vlan_mac
.cmd
== elem
->cmd_data
.vlan_mac
.cmd
))
1158 * bnx2x_validate_vlan_mac_add - check if an ADD command can be executed
1160 * @bp: device handle
1161 * @qo: bnx2x_qable_obj
1162 * @elem: bnx2x_exeq_elem
1164 * Checks that the requested configuration can be added. If yes and if
1165 * requested, consume CAM credit.
1167 * The 'validate' is run after the 'optimize'.
1170 static inline int bnx2x_validate_vlan_mac_add(struct bnx2x
*bp
,
1171 union bnx2x_qable_obj
*qo
,
1172 struct bnx2x_exeq_elem
*elem
)
1174 struct bnx2x_vlan_mac_obj
*o
= &qo
->vlan_mac
;
1175 struct bnx2x_exe_queue_obj
*exeq
= &o
->exe_queue
;
1178 /* Check the registry */
1179 rc
= o
->check_add(bp
, o
, &elem
->cmd_data
.vlan_mac
.u
);
1181 DP(BNX2X_MSG_SP
, "ADD command is not allowed considering current registry state.\n");
1186 * Check if there is a pending ADD command for this
1187 * MAC/VLAN/VLAN-MAC. Return an error if there is.
1189 if (exeq
->get(exeq
, elem
)) {
1190 DP(BNX2X_MSG_SP
, "There is a pending ADD command already\n");
1195 * TODO: Check the pending MOVE from other objects where this
1196 * object is a destination object.
1199 /* Consume the credit if not requested not to */
1200 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT
,
1201 &elem
->cmd_data
.vlan_mac
.vlan_mac_flags
) ||
1209 * bnx2x_validate_vlan_mac_del - check if the DEL command can be executed
1211 * @bp: device handle
1212 * @qo: quable object to check
1213 * @elem: element that needs to be deleted
1215 * Checks that the requested configuration can be deleted. If yes and if
1216 * requested, returns a CAM credit.
1218 * The 'validate' is run after the 'optimize'.
1220 static inline int bnx2x_validate_vlan_mac_del(struct bnx2x
*bp
,
1221 union bnx2x_qable_obj
*qo
,
1222 struct bnx2x_exeq_elem
*elem
)
1224 struct bnx2x_vlan_mac_obj
*o
= &qo
->vlan_mac
;
1225 struct bnx2x_vlan_mac_registry_elem
*pos
;
1226 struct bnx2x_exe_queue_obj
*exeq
= &o
->exe_queue
;
1227 struct bnx2x_exeq_elem query_elem
;
1229 /* If this classification can not be deleted (doesn't exist)
1230 * - return a BNX2X_EXIST.
1232 pos
= o
->check_del(bp
, o
, &elem
->cmd_data
.vlan_mac
.u
);
1234 DP(BNX2X_MSG_SP
, "DEL command is not allowed considering current registry state\n");
1239 * Check if there are pending DEL or MOVE commands for this
1240 * MAC/VLAN/VLAN-MAC. Return an error if so.
1242 memcpy(&query_elem
, elem
, sizeof(query_elem
));
1244 /* Check for MOVE commands */
1245 query_elem
.cmd_data
.vlan_mac
.cmd
= BNX2X_VLAN_MAC_MOVE
;
1246 if (exeq
->get(exeq
, &query_elem
)) {
1247 BNX2X_ERR("There is a pending MOVE command already\n");
1251 /* Check for DEL commands */
1252 if (exeq
->get(exeq
, elem
)) {
1253 DP(BNX2X_MSG_SP
, "There is a pending DEL command already\n");
1257 /* Return the credit to the credit pool if not requested not to */
1258 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT
,
1259 &elem
->cmd_data
.vlan_mac
.vlan_mac_flags
) ||
1260 o
->put_credit(o
))) {
1261 BNX2X_ERR("Failed to return a credit\n");
1269 * bnx2x_validate_vlan_mac_move - check if the MOVE command can be executed
1271 * @bp: device handle
1272 * @qo: quable object to check (source)
1273 * @elem: element that needs to be moved
1275 * Checks that the requested configuration can be moved. If yes and if
1276 * requested, returns a CAM credit.
1278 * The 'validate' is run after the 'optimize'.
1280 static inline int bnx2x_validate_vlan_mac_move(struct bnx2x
*bp
,
1281 union bnx2x_qable_obj
*qo
,
1282 struct bnx2x_exeq_elem
*elem
)
1284 struct bnx2x_vlan_mac_obj
*src_o
= &qo
->vlan_mac
;
1285 struct bnx2x_vlan_mac_obj
*dest_o
= elem
->cmd_data
.vlan_mac
.target_obj
;
1286 struct bnx2x_exeq_elem query_elem
;
1287 struct bnx2x_exe_queue_obj
*src_exeq
= &src_o
->exe_queue
;
1288 struct bnx2x_exe_queue_obj
*dest_exeq
= &dest_o
->exe_queue
;
1291 * Check if we can perform this operation based on the current registry
1294 if (!src_o
->check_move(bp
, src_o
, dest_o
,
1295 &elem
->cmd_data
.vlan_mac
.u
)) {
1296 DP(BNX2X_MSG_SP
, "MOVE command is not allowed considering current registry state\n");
1301 * Check if there is an already pending DEL or MOVE command for the
1302 * source object or ADD command for a destination object. Return an
1305 memcpy(&query_elem
, elem
, sizeof(query_elem
));
1307 /* Check DEL on source */
1308 query_elem
.cmd_data
.vlan_mac
.cmd
= BNX2X_VLAN_MAC_DEL
;
1309 if (src_exeq
->get(src_exeq
, &query_elem
)) {
1310 BNX2X_ERR("There is a pending DEL command on the source queue already\n");
1314 /* Check MOVE on source */
1315 if (src_exeq
->get(src_exeq
, elem
)) {
1316 DP(BNX2X_MSG_SP
, "There is a pending MOVE command already\n");
1320 /* Check ADD on destination */
1321 query_elem
.cmd_data
.vlan_mac
.cmd
= BNX2X_VLAN_MAC_ADD
;
1322 if (dest_exeq
->get(dest_exeq
, &query_elem
)) {
1323 BNX2X_ERR("There is a pending ADD command on the destination queue already\n");
1327 /* Consume the credit if not requested not to */
1328 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT_DEST
,
1329 &elem
->cmd_data
.vlan_mac
.vlan_mac_flags
) ||
1330 dest_o
->get_credit(dest_o
)))
1333 if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT
,
1334 &elem
->cmd_data
.vlan_mac
.vlan_mac_flags
) ||
1335 src_o
->put_credit(src_o
))) {
1336 /* return the credit taken from dest... */
1337 dest_o
->put_credit(dest_o
);
1344 static int bnx2x_validate_vlan_mac(struct bnx2x
*bp
,
1345 union bnx2x_qable_obj
*qo
,
1346 struct bnx2x_exeq_elem
*elem
)
1348 switch (elem
->cmd_data
.vlan_mac
.cmd
) {
1349 case BNX2X_VLAN_MAC_ADD
:
1350 return bnx2x_validate_vlan_mac_add(bp
, qo
, elem
);
1351 case BNX2X_VLAN_MAC_DEL
:
1352 return bnx2x_validate_vlan_mac_del(bp
, qo
, elem
);
1353 case BNX2X_VLAN_MAC_MOVE
:
1354 return bnx2x_validate_vlan_mac_move(bp
, qo
, elem
);
1360 static int bnx2x_remove_vlan_mac(struct bnx2x
*bp
,
1361 union bnx2x_qable_obj
*qo
,
1362 struct bnx2x_exeq_elem
*elem
)
1366 /* If consumption wasn't required, nothing to do */
1367 if (test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT
,
1368 &elem
->cmd_data
.vlan_mac
.vlan_mac_flags
))
1371 switch (elem
->cmd_data
.vlan_mac
.cmd
) {
1372 case BNX2X_VLAN_MAC_ADD
:
1373 case BNX2X_VLAN_MAC_MOVE
:
1374 rc
= qo
->vlan_mac
.put_credit(&qo
->vlan_mac
);
1376 case BNX2X_VLAN_MAC_DEL
:
1377 rc
= qo
->vlan_mac
.get_credit(&qo
->vlan_mac
);
1390 * bnx2x_wait_vlan_mac - passivly wait for 5 seconds until all work completes.
1392 * @bp: device handle
1393 * @o: bnx2x_vlan_mac_obj
1396 static int bnx2x_wait_vlan_mac(struct bnx2x
*bp
,
1397 struct bnx2x_vlan_mac_obj
*o
)
1400 struct bnx2x_exe_queue_obj
*exeq
= &o
->exe_queue
;
1401 struct bnx2x_raw_obj
*raw
= &o
->raw
;
1404 /* Wait for the current command to complete */
1405 rc
= raw
->wait_comp(bp
, raw
);
1409 /* Wait until there are no pending commands */
1410 if (!bnx2x_exe_queue_empty(exeq
))
1411 usleep_range(1000, 1000);
1420 * bnx2x_complete_vlan_mac - complete one VLAN-MAC ramrod
1422 * @bp: device handle
1423 * @o: bnx2x_vlan_mac_obj
1425 * @cont: if true schedule next execution chunk
1428 static int bnx2x_complete_vlan_mac(struct bnx2x
*bp
,
1429 struct bnx2x_vlan_mac_obj
*o
,
1430 union event_ring_elem
*cqe
,
1431 unsigned long *ramrod_flags
)
1433 struct bnx2x_raw_obj
*r
= &o
->raw
;
1436 /* Reset pending list */
1437 bnx2x_exe_queue_reset_pending(bp
, &o
->exe_queue
);
1440 r
->clear_pending(r
);
1442 /* If ramrod failed this is most likely a SW bug */
1443 if (cqe
->message
.error
)
1446 /* Run the next bulk of pending commands if requeted */
1447 if (test_bit(RAMROD_CONT
, ramrod_flags
)) {
1448 rc
= bnx2x_exe_queue_step(bp
, &o
->exe_queue
, ramrod_flags
);
1453 /* If there is more work to do return PENDING */
1454 if (!bnx2x_exe_queue_empty(&o
->exe_queue
))
1461 * bnx2x_optimize_vlan_mac - optimize ADD and DEL commands.
1463 * @bp: device handle
1464 * @o: bnx2x_qable_obj
1465 * @elem: bnx2x_exeq_elem
1467 static int bnx2x_optimize_vlan_mac(struct bnx2x
*bp
,
1468 union bnx2x_qable_obj
*qo
,
1469 struct bnx2x_exeq_elem
*elem
)
1471 struct bnx2x_exeq_elem query
, *pos
;
1472 struct bnx2x_vlan_mac_obj
*o
= &qo
->vlan_mac
;
1473 struct bnx2x_exe_queue_obj
*exeq
= &o
->exe_queue
;
1475 memcpy(&query
, elem
, sizeof(query
));
1477 switch (elem
->cmd_data
.vlan_mac
.cmd
) {
1478 case BNX2X_VLAN_MAC_ADD
:
1479 query
.cmd_data
.vlan_mac
.cmd
= BNX2X_VLAN_MAC_DEL
;
1481 case BNX2X_VLAN_MAC_DEL
:
1482 query
.cmd_data
.vlan_mac
.cmd
= BNX2X_VLAN_MAC_ADD
;
1485 /* Don't handle anything other than ADD or DEL */
1489 /* If we found the appropriate element - delete it */
1490 pos
= exeq
->get(exeq
, &query
);
1493 /* Return the credit of the optimized command */
1494 if (!test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT
,
1495 &pos
->cmd_data
.vlan_mac
.vlan_mac_flags
)) {
1496 if ((query
.cmd_data
.vlan_mac
.cmd
==
1497 BNX2X_VLAN_MAC_ADD
) && !o
->put_credit(o
)) {
1498 BNX2X_ERR("Failed to return the credit for the optimized ADD command\n");
1500 } else if (!o
->get_credit(o
)) { /* VLAN_MAC_DEL */
1501 BNX2X_ERR("Failed to recover the credit from the optimized DEL command\n");
1506 DP(BNX2X_MSG_SP
, "Optimizing %s command\n",
1507 (elem
->cmd_data
.vlan_mac
.cmd
== BNX2X_VLAN_MAC_ADD
) ?
1510 list_del(&pos
->link
);
1511 bnx2x_exe_queue_free_elem(bp
, pos
);
1519 * bnx2x_vlan_mac_get_registry_elem - prepare a registry element
1521 * @bp: device handle
1527 * prepare a registry element according to the current command request.
1529 static inline int bnx2x_vlan_mac_get_registry_elem(
1531 struct bnx2x_vlan_mac_obj
*o
,
1532 struct bnx2x_exeq_elem
*elem
,
1534 struct bnx2x_vlan_mac_registry_elem
**re
)
1536 int cmd
= elem
->cmd_data
.vlan_mac
.cmd
;
1537 struct bnx2x_vlan_mac_registry_elem
*reg_elem
;
1539 /* Allocate a new registry element if needed. */
1541 ((cmd
== BNX2X_VLAN_MAC_ADD
) || (cmd
== BNX2X_VLAN_MAC_MOVE
))) {
1542 reg_elem
= kzalloc(sizeof(*reg_elem
), GFP_ATOMIC
);
1546 /* Get a new CAM offset */
1547 if (!o
->get_cam_offset(o
, ®_elem
->cam_offset
)) {
1549 * This shell never happen, because we have checked the
1550 * CAM availiability in the 'validate'.
1557 DP(BNX2X_MSG_SP
, "Got cam offset %d\n", reg_elem
->cam_offset
);
1559 /* Set a VLAN-MAC data */
1560 memcpy(®_elem
->u
, &elem
->cmd_data
.vlan_mac
.u
,
1561 sizeof(reg_elem
->u
));
1563 /* Copy the flags (needed for DEL and RESTORE flows) */
1564 reg_elem
->vlan_mac_flags
=
1565 elem
->cmd_data
.vlan_mac
.vlan_mac_flags
;
1566 } else /* DEL, RESTORE */
1567 reg_elem
= o
->check_del(bp
, o
, &elem
->cmd_data
.vlan_mac
.u
);
1574 * bnx2x_execute_vlan_mac - execute vlan mac command
1576 * @bp: device handle
1581 * go and send a ramrod!
1583 static int bnx2x_execute_vlan_mac(struct bnx2x
*bp
,
1584 union bnx2x_qable_obj
*qo
,
1585 struct list_head
*exe_chunk
,
1586 unsigned long *ramrod_flags
)
1588 struct bnx2x_exeq_elem
*elem
;
1589 struct bnx2x_vlan_mac_obj
*o
= &qo
->vlan_mac
, *cam_obj
;
1590 struct bnx2x_raw_obj
*r
= &o
->raw
;
1592 bool restore
= test_bit(RAMROD_RESTORE
, ramrod_flags
);
1593 bool drv_only
= test_bit(RAMROD_DRV_CLR_ONLY
, ramrod_flags
);
1594 struct bnx2x_vlan_mac_registry_elem
*reg_elem
;
1598 * If DRIVER_ONLY execution is requested, cleanup a registry
1599 * and exit. Otherwise send a ramrod to FW.
1602 WARN_ON(r
->check_pending(r
));
1607 /* Fill tha ramrod data */
1608 list_for_each_entry(elem
, exe_chunk
, link
) {
1609 cmd
= elem
->cmd_data
.vlan_mac
.cmd
;
1611 * We will add to the target object in MOVE command, so
1612 * change the object for a CAM search.
1614 if (cmd
== BNX2X_VLAN_MAC_MOVE
)
1615 cam_obj
= elem
->cmd_data
.vlan_mac
.target_obj
;
1619 rc
= bnx2x_vlan_mac_get_registry_elem(bp
, cam_obj
,
1627 /* Push a new entry into the registry */
1629 ((cmd
== BNX2X_VLAN_MAC_ADD
) ||
1630 (cmd
== BNX2X_VLAN_MAC_MOVE
)))
1631 list_add(®_elem
->link
, &cam_obj
->head
);
1633 /* Configure a single command in a ramrod data buffer */
1634 o
->set_one_rule(bp
, o
, elem
, idx
,
1635 reg_elem
->cam_offset
);
1637 /* MOVE command consumes 2 entries in the ramrod data */
1638 if (cmd
== BNX2X_VLAN_MAC_MOVE
)
1645 * No need for an explicit memory barrier here as long we would
1646 * need to ensure the ordering of writing to the SPQ element
1647 * and updating of the SPQ producer which involves a memory
1648 * read and we will have to put a full memory barrier there
1649 * (inside bnx2x_sp_post()).
1652 rc
= bnx2x_sp_post(bp
, o
->ramrod_cmd
, r
->cid
,
1653 U64_HI(r
->rdata_mapping
),
1654 U64_LO(r
->rdata_mapping
),
1655 ETH_CONNECTION_TYPE
);
1660 /* Now, when we are done with the ramrod - clean up the registry */
1661 list_for_each_entry(elem
, exe_chunk
, link
) {
1662 cmd
= elem
->cmd_data
.vlan_mac
.cmd
;
1663 if ((cmd
== BNX2X_VLAN_MAC_DEL
) ||
1664 (cmd
== BNX2X_VLAN_MAC_MOVE
)) {
1665 reg_elem
= o
->check_del(bp
, o
,
1666 &elem
->cmd_data
.vlan_mac
.u
);
1670 o
->put_cam_offset(o
, reg_elem
->cam_offset
);
1671 list_del(®_elem
->link
);
1682 r
->clear_pending(r
);
1684 /* Cleanup a registry in case of a failure */
1685 list_for_each_entry(elem
, exe_chunk
, link
) {
1686 cmd
= elem
->cmd_data
.vlan_mac
.cmd
;
1688 if (cmd
== BNX2X_VLAN_MAC_MOVE
)
1689 cam_obj
= elem
->cmd_data
.vlan_mac
.target_obj
;
1693 /* Delete all newly added above entries */
1695 ((cmd
== BNX2X_VLAN_MAC_ADD
) ||
1696 (cmd
== BNX2X_VLAN_MAC_MOVE
))) {
1697 reg_elem
= o
->check_del(bp
, cam_obj
,
1698 &elem
->cmd_data
.vlan_mac
.u
);
1700 list_del(®_elem
->link
);
1709 static inline int bnx2x_vlan_mac_push_new_cmd(
1711 struct bnx2x_vlan_mac_ramrod_params
*p
)
1713 struct bnx2x_exeq_elem
*elem
;
1714 struct bnx2x_vlan_mac_obj
*o
= p
->vlan_mac_obj
;
1715 bool restore
= test_bit(RAMROD_RESTORE
, &p
->ramrod_flags
);
1717 /* Allocate the execution queue element */
1718 elem
= bnx2x_exe_queue_alloc_elem(bp
);
1722 /* Set the command 'length' */
1723 switch (p
->user_req
.cmd
) {
1724 case BNX2X_VLAN_MAC_MOVE
:
1731 /* Fill the object specific info */
1732 memcpy(&elem
->cmd_data
.vlan_mac
, &p
->user_req
, sizeof(p
->user_req
));
1734 /* Try to add a new command to the pending list */
1735 return bnx2x_exe_queue_add(bp
, &o
->exe_queue
, elem
, restore
);
1739 * bnx2x_config_vlan_mac - configure VLAN/MAC/VLAN_MAC filtering rules.
1741 * @bp: device handle
1745 int bnx2x_config_vlan_mac(
1747 struct bnx2x_vlan_mac_ramrod_params
*p
)
1750 struct bnx2x_vlan_mac_obj
*o
= p
->vlan_mac_obj
;
1751 unsigned long *ramrod_flags
= &p
->ramrod_flags
;
1752 bool cont
= test_bit(RAMROD_CONT
, ramrod_flags
);
1753 struct bnx2x_raw_obj
*raw
= &o
->raw
;
1756 * Add new elements to the execution list for commands that require it.
1759 rc
= bnx2x_vlan_mac_push_new_cmd(bp
, p
);
1765 * If nothing will be executed further in this iteration we want to
1766 * return PENDING if there are pending commands
1768 if (!bnx2x_exe_queue_empty(&o
->exe_queue
))
1771 if (test_bit(RAMROD_DRV_CLR_ONLY
, ramrod_flags
)) {
1772 DP(BNX2X_MSG_SP
, "RAMROD_DRV_CLR_ONLY requested: clearing a pending bit.\n");
1773 raw
->clear_pending(raw
);
1776 /* Execute commands if required */
1777 if (cont
|| test_bit(RAMROD_EXEC
, ramrod_flags
) ||
1778 test_bit(RAMROD_COMP_WAIT
, ramrod_flags
)) {
1779 rc
= bnx2x_exe_queue_step(bp
, &o
->exe_queue
, ramrod_flags
);
1785 * RAMROD_COMP_WAIT is a superset of RAMROD_EXEC. If it was set
1786 * then user want to wait until the last command is done.
1788 if (test_bit(RAMROD_COMP_WAIT
, &p
->ramrod_flags
)) {
1790 * Wait maximum for the current exe_queue length iterations plus
1791 * one (for the current pending command).
1793 int max_iterations
= bnx2x_exe_queue_length(&o
->exe_queue
) + 1;
1795 while (!bnx2x_exe_queue_empty(&o
->exe_queue
) &&
1798 /* Wait for the current command to complete */
1799 rc
= raw
->wait_comp(bp
, raw
);
1803 /* Make a next step */
1804 rc
= bnx2x_exe_queue_step(bp
, &o
->exe_queue
,
1819 * bnx2x_vlan_mac_del_all - delete elements with given vlan_mac_flags spec
1821 * @bp: device handle
1824 * @ramrod_flags: execution flags to be used for this deletion
1826 * if the last operation has completed successfully and there are no
1827 * moreelements left, positive value if the last operation has completed
1828 * successfully and there are more previously configured elements, negative
1829 * value is current operation has failed.
1831 static int bnx2x_vlan_mac_del_all(struct bnx2x
*bp
,
1832 struct bnx2x_vlan_mac_obj
*o
,
1833 unsigned long *vlan_mac_flags
,
1834 unsigned long *ramrod_flags
)
1836 struct bnx2x_vlan_mac_registry_elem
*pos
= NULL
;
1838 struct bnx2x_vlan_mac_ramrod_params p
;
1839 struct bnx2x_exe_queue_obj
*exeq
= &o
->exe_queue
;
1840 struct bnx2x_exeq_elem
*exeq_pos
, *exeq_pos_n
;
1842 /* Clear pending commands first */
1844 spin_lock_bh(&exeq
->lock
);
1846 list_for_each_entry_safe(exeq_pos
, exeq_pos_n
, &exeq
->exe_queue
, link
) {
1847 if (exeq_pos
->cmd_data
.vlan_mac
.vlan_mac_flags
==
1849 rc
= exeq
->remove(bp
, exeq
->owner
, exeq_pos
);
1851 BNX2X_ERR("Failed to remove command\n");
1852 spin_unlock_bh(&exeq
->lock
);
1855 list_del(&exeq_pos
->link
);
1859 spin_unlock_bh(&exeq
->lock
);
1861 /* Prepare a command request */
1862 memset(&p
, 0, sizeof(p
));
1864 p
.ramrod_flags
= *ramrod_flags
;
1865 p
.user_req
.cmd
= BNX2X_VLAN_MAC_DEL
;
1868 * Add all but the last VLAN-MAC to the execution queue without actually
1869 * execution anything.
1871 __clear_bit(RAMROD_COMP_WAIT
, &p
.ramrod_flags
);
1872 __clear_bit(RAMROD_EXEC
, &p
.ramrod_flags
);
1873 __clear_bit(RAMROD_CONT
, &p
.ramrod_flags
);
1875 list_for_each_entry(pos
, &o
->head
, link
) {
1876 if (pos
->vlan_mac_flags
== *vlan_mac_flags
) {
1877 p
.user_req
.vlan_mac_flags
= pos
->vlan_mac_flags
;
1878 memcpy(&p
.user_req
.u
, &pos
->u
, sizeof(pos
->u
));
1879 rc
= bnx2x_config_vlan_mac(bp
, &p
);
1881 BNX2X_ERR("Failed to add a new DEL command\n");
1887 p
.ramrod_flags
= *ramrod_flags
;
1888 __set_bit(RAMROD_CONT
, &p
.ramrod_flags
);
1890 return bnx2x_config_vlan_mac(bp
, &p
);
1893 static inline void bnx2x_init_raw_obj(struct bnx2x_raw_obj
*raw
, u8 cl_id
,
1894 u32 cid
, u8 func_id
, void *rdata
, dma_addr_t rdata_mapping
, int state
,
1895 unsigned long *pstate
, bnx2x_obj_type type
)
1897 raw
->func_id
= func_id
;
1901 raw
->rdata_mapping
= rdata_mapping
;
1903 raw
->pstate
= pstate
;
1904 raw
->obj_type
= type
;
1905 raw
->check_pending
= bnx2x_raw_check_pending
;
1906 raw
->clear_pending
= bnx2x_raw_clear_pending
;
1907 raw
->set_pending
= bnx2x_raw_set_pending
;
1908 raw
->wait_comp
= bnx2x_raw_wait
;
1911 static inline void bnx2x_init_vlan_mac_common(struct bnx2x_vlan_mac_obj
*o
,
1912 u8 cl_id
, u32 cid
, u8 func_id
, void *rdata
, dma_addr_t rdata_mapping
,
1913 int state
, unsigned long *pstate
, bnx2x_obj_type type
,
1914 struct bnx2x_credit_pool_obj
*macs_pool
,
1915 struct bnx2x_credit_pool_obj
*vlans_pool
)
1917 INIT_LIST_HEAD(&o
->head
);
1919 o
->macs_pool
= macs_pool
;
1920 o
->vlans_pool
= vlans_pool
;
1922 o
->delete_all
= bnx2x_vlan_mac_del_all
;
1923 o
->restore
= bnx2x_vlan_mac_restore
;
1924 o
->complete
= bnx2x_complete_vlan_mac
;
1925 o
->wait
= bnx2x_wait_vlan_mac
;
1927 bnx2x_init_raw_obj(&o
->raw
, cl_id
, cid
, func_id
, rdata
, rdata_mapping
,
1928 state
, pstate
, type
);
1932 void bnx2x_init_mac_obj(struct bnx2x
*bp
,
1933 struct bnx2x_vlan_mac_obj
*mac_obj
,
1934 u8 cl_id
, u32 cid
, u8 func_id
, void *rdata
,
1935 dma_addr_t rdata_mapping
, int state
,
1936 unsigned long *pstate
, bnx2x_obj_type type
,
1937 struct bnx2x_credit_pool_obj
*macs_pool
)
1939 union bnx2x_qable_obj
*qable_obj
= (union bnx2x_qable_obj
*)mac_obj
;
1941 bnx2x_init_vlan_mac_common(mac_obj
, cl_id
, cid
, func_id
, rdata
,
1942 rdata_mapping
, state
, pstate
, type
,
1945 /* CAM credit pool handling */
1946 mac_obj
->get_credit
= bnx2x_get_credit_mac
;
1947 mac_obj
->put_credit
= bnx2x_put_credit_mac
;
1948 mac_obj
->get_cam_offset
= bnx2x_get_cam_offset_mac
;
1949 mac_obj
->put_cam_offset
= bnx2x_put_cam_offset_mac
;
1951 if (CHIP_IS_E1x(bp
)) {
1952 mac_obj
->set_one_rule
= bnx2x_set_one_mac_e1x
;
1953 mac_obj
->check_del
= bnx2x_check_mac_del
;
1954 mac_obj
->check_add
= bnx2x_check_mac_add
;
1955 mac_obj
->check_move
= bnx2x_check_move_always_err
;
1956 mac_obj
->ramrod_cmd
= RAMROD_CMD_ID_ETH_SET_MAC
;
1959 bnx2x_exe_queue_init(bp
,
1960 &mac_obj
->exe_queue
, 1, qable_obj
,
1961 bnx2x_validate_vlan_mac
,
1962 bnx2x_remove_vlan_mac
,
1963 bnx2x_optimize_vlan_mac
,
1964 bnx2x_execute_vlan_mac
,
1965 bnx2x_exeq_get_mac
);
1967 mac_obj
->set_one_rule
= bnx2x_set_one_mac_e2
;
1968 mac_obj
->check_del
= bnx2x_check_mac_del
;
1969 mac_obj
->check_add
= bnx2x_check_mac_add
;
1970 mac_obj
->check_move
= bnx2x_check_move
;
1971 mac_obj
->ramrod_cmd
=
1972 RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES
;
1973 mac_obj
->get_n_elements
= bnx2x_get_n_elements
;
1976 bnx2x_exe_queue_init(bp
,
1977 &mac_obj
->exe_queue
, CLASSIFY_RULES_COUNT
,
1978 qable_obj
, bnx2x_validate_vlan_mac
,
1979 bnx2x_remove_vlan_mac
,
1980 bnx2x_optimize_vlan_mac
,
1981 bnx2x_execute_vlan_mac
,
1982 bnx2x_exeq_get_mac
);
1986 void bnx2x_init_vlan_obj(struct bnx2x
*bp
,
1987 struct bnx2x_vlan_mac_obj
*vlan_obj
,
1988 u8 cl_id
, u32 cid
, u8 func_id
, void *rdata
,
1989 dma_addr_t rdata_mapping
, int state
,
1990 unsigned long *pstate
, bnx2x_obj_type type
,
1991 struct bnx2x_credit_pool_obj
*vlans_pool
)
1993 union bnx2x_qable_obj
*qable_obj
= (union bnx2x_qable_obj
*)vlan_obj
;
1995 bnx2x_init_vlan_mac_common(vlan_obj
, cl_id
, cid
, func_id
, rdata
,
1996 rdata_mapping
, state
, pstate
, type
, NULL
,
1999 vlan_obj
->get_credit
= bnx2x_get_credit_vlan
;
2000 vlan_obj
->put_credit
= bnx2x_put_credit_vlan
;
2001 vlan_obj
->get_cam_offset
= bnx2x_get_cam_offset_vlan
;
2002 vlan_obj
->put_cam_offset
= bnx2x_put_cam_offset_vlan
;
2004 if (CHIP_IS_E1x(bp
)) {
2005 BNX2X_ERR("Do not support chips others than E2 and newer\n");
2008 vlan_obj
->set_one_rule
= bnx2x_set_one_vlan_e2
;
2009 vlan_obj
->check_del
= bnx2x_check_vlan_del
;
2010 vlan_obj
->check_add
= bnx2x_check_vlan_add
;
2011 vlan_obj
->check_move
= bnx2x_check_move
;
2012 vlan_obj
->ramrod_cmd
=
2013 RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES
;
2016 bnx2x_exe_queue_init(bp
,
2017 &vlan_obj
->exe_queue
, CLASSIFY_RULES_COUNT
,
2018 qable_obj
, bnx2x_validate_vlan_mac
,
2019 bnx2x_remove_vlan_mac
,
2020 bnx2x_optimize_vlan_mac
,
2021 bnx2x_execute_vlan_mac
,
2022 bnx2x_exeq_get_vlan
);
2026 void bnx2x_init_vlan_mac_obj(struct bnx2x
*bp
,
2027 struct bnx2x_vlan_mac_obj
*vlan_mac_obj
,
2028 u8 cl_id
, u32 cid
, u8 func_id
, void *rdata
,
2029 dma_addr_t rdata_mapping
, int state
,
2030 unsigned long *pstate
, bnx2x_obj_type type
,
2031 struct bnx2x_credit_pool_obj
*macs_pool
,
2032 struct bnx2x_credit_pool_obj
*vlans_pool
)
2034 union bnx2x_qable_obj
*qable_obj
=
2035 (union bnx2x_qable_obj
*)vlan_mac_obj
;
2037 bnx2x_init_vlan_mac_common(vlan_mac_obj
, cl_id
, cid
, func_id
, rdata
,
2038 rdata_mapping
, state
, pstate
, type
,
2039 macs_pool
, vlans_pool
);
2041 /* CAM pool handling */
2042 vlan_mac_obj
->get_credit
= bnx2x_get_credit_vlan_mac
;
2043 vlan_mac_obj
->put_credit
= bnx2x_put_credit_vlan_mac
;
2045 * CAM offset is relevant for 57710 and 57711 chips only which have a
2046 * single CAM for both MACs and VLAN-MAC pairs. So the offset
2047 * will be taken from MACs' pool object only.
2049 vlan_mac_obj
->get_cam_offset
= bnx2x_get_cam_offset_mac
;
2050 vlan_mac_obj
->put_cam_offset
= bnx2x_put_cam_offset_mac
;
2052 if (CHIP_IS_E1(bp
)) {
2053 BNX2X_ERR("Do not support chips others than E2\n");
2055 } else if (CHIP_IS_E1H(bp
)) {
2056 vlan_mac_obj
->set_one_rule
= bnx2x_set_one_vlan_mac_e1h
;
2057 vlan_mac_obj
->check_del
= bnx2x_check_vlan_mac_del
;
2058 vlan_mac_obj
->check_add
= bnx2x_check_vlan_mac_add
;
2059 vlan_mac_obj
->check_move
= bnx2x_check_move_always_err
;
2060 vlan_mac_obj
->ramrod_cmd
= RAMROD_CMD_ID_ETH_SET_MAC
;
2063 bnx2x_exe_queue_init(bp
,
2064 &vlan_mac_obj
->exe_queue
, 1, qable_obj
,
2065 bnx2x_validate_vlan_mac
,
2066 bnx2x_remove_vlan_mac
,
2067 bnx2x_optimize_vlan_mac
,
2068 bnx2x_execute_vlan_mac
,
2069 bnx2x_exeq_get_vlan_mac
);
2071 vlan_mac_obj
->set_one_rule
= bnx2x_set_one_vlan_mac_e2
;
2072 vlan_mac_obj
->check_del
= bnx2x_check_vlan_mac_del
;
2073 vlan_mac_obj
->check_add
= bnx2x_check_vlan_mac_add
;
2074 vlan_mac_obj
->check_move
= bnx2x_check_move
;
2075 vlan_mac_obj
->ramrod_cmd
=
2076 RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES
;
2079 bnx2x_exe_queue_init(bp
,
2080 &vlan_mac_obj
->exe_queue
,
2081 CLASSIFY_RULES_COUNT
,
2082 qable_obj
, bnx2x_validate_vlan_mac
,
2083 bnx2x_remove_vlan_mac
,
2084 bnx2x_optimize_vlan_mac
,
2085 bnx2x_execute_vlan_mac
,
2086 bnx2x_exeq_get_vlan_mac
);
2091 /* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */
2092 static inline void __storm_memset_mac_filters(struct bnx2x
*bp
,
2093 struct tstorm_eth_mac_filter_config
*mac_filters
,
2096 size_t size
= sizeof(struct tstorm_eth_mac_filter_config
);
2098 u32 addr
= BAR_TSTRORM_INTMEM
+
2099 TSTORM_MAC_FILTER_CONFIG_OFFSET(pf_id
);
2101 __storm_memset_struct(bp
, addr
, size
, (u32
*)mac_filters
);
2104 static int bnx2x_set_rx_mode_e1x(struct bnx2x
*bp
,
2105 struct bnx2x_rx_mode_ramrod_params
*p
)
2107 /* update the bp MAC filter structure */
2108 u32 mask
= (1 << p
->cl_id
);
2110 struct tstorm_eth_mac_filter_config
*mac_filters
=
2111 (struct tstorm_eth_mac_filter_config
*)p
->rdata
;
2113 /* initial seeting is drop-all */
2114 u8 drop_all_ucast
= 1, drop_all_mcast
= 1;
2115 u8 accp_all_ucast
= 0, accp_all_bcast
= 0, accp_all_mcast
= 0;
2116 u8 unmatched_unicast
= 0;
2118 /* In e1x there we only take into account rx acceot flag since tx switching
2120 if (test_bit(BNX2X_ACCEPT_UNICAST
, &p
->rx_accept_flags
))
2121 /* accept matched ucast */
2124 if (test_bit(BNX2X_ACCEPT_MULTICAST
, &p
->rx_accept_flags
))
2125 /* accept matched mcast */
2128 if (test_bit(BNX2X_ACCEPT_ALL_UNICAST
, &p
->rx_accept_flags
)) {
2129 /* accept all mcast */
2133 if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST
, &p
->rx_accept_flags
)) {
2134 /* accept all mcast */
2138 if (test_bit(BNX2X_ACCEPT_BROADCAST
, &p
->rx_accept_flags
))
2139 /* accept (all) bcast */
2141 if (test_bit(BNX2X_ACCEPT_UNMATCHED
, &p
->rx_accept_flags
))
2142 /* accept unmatched unicasts */
2143 unmatched_unicast
= 1;
2145 mac_filters
->ucast_drop_all
= drop_all_ucast
?
2146 mac_filters
->ucast_drop_all
| mask
:
2147 mac_filters
->ucast_drop_all
& ~mask
;
2149 mac_filters
->mcast_drop_all
= drop_all_mcast
?
2150 mac_filters
->mcast_drop_all
| mask
:
2151 mac_filters
->mcast_drop_all
& ~mask
;
2153 mac_filters
->ucast_accept_all
= accp_all_ucast
?
2154 mac_filters
->ucast_accept_all
| mask
:
2155 mac_filters
->ucast_accept_all
& ~mask
;
2157 mac_filters
->mcast_accept_all
= accp_all_mcast
?
2158 mac_filters
->mcast_accept_all
| mask
:
2159 mac_filters
->mcast_accept_all
& ~mask
;
2161 mac_filters
->bcast_accept_all
= accp_all_bcast
?
2162 mac_filters
->bcast_accept_all
| mask
:
2163 mac_filters
->bcast_accept_all
& ~mask
;
2165 mac_filters
->unmatched_unicast
= unmatched_unicast
?
2166 mac_filters
->unmatched_unicast
| mask
:
2167 mac_filters
->unmatched_unicast
& ~mask
;
2169 DP(BNX2X_MSG_SP
, "drop_ucast 0x%x\ndrop_mcast 0x%x\n accp_ucast 0x%x\n"
2170 "accp_mcast 0x%x\naccp_bcast 0x%x\n",
2171 mac_filters
->ucast_drop_all
, mac_filters
->mcast_drop_all
,
2172 mac_filters
->ucast_accept_all
, mac_filters
->mcast_accept_all
,
2173 mac_filters
->bcast_accept_all
);
2175 /* write the MAC filter structure*/
2176 __storm_memset_mac_filters(bp
, mac_filters
, p
->func_id
);
2178 /* The operation is completed */
2179 clear_bit(p
->state
, p
->pstate
);
2180 smp_mb__after_clear_bit();
2185 /* Setup ramrod data */
2186 static inline void bnx2x_rx_mode_set_rdata_hdr_e2(u32 cid
,
2187 struct eth_classify_header
*hdr
,
2191 hdr
->rule_cnt
= rule_cnt
;
2194 static inline void bnx2x_rx_mode_set_cmd_state_e2(struct bnx2x
*bp
,
2195 unsigned long accept_flags
,
2196 struct eth_filter_rules_cmd
*cmd
,
2197 bool clear_accept_all
)
2201 /* start with 'drop-all' */
2202 state
= ETH_FILTER_RULES_CMD_UCAST_DROP_ALL
|
2203 ETH_FILTER_RULES_CMD_MCAST_DROP_ALL
;
2206 if (test_bit(BNX2X_ACCEPT_UNICAST
, &accept_flags
))
2207 state
&= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL
;
2209 if (test_bit(BNX2X_ACCEPT_MULTICAST
, &accept_flags
))
2210 state
&= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL
;
2212 if (test_bit(BNX2X_ACCEPT_ALL_UNICAST
, &accept_flags
)) {
2213 state
&= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL
;
2214 state
|= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL
;
2217 if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST
, &accept_flags
)) {
2218 state
|= ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL
;
2219 state
&= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL
;
2221 if (test_bit(BNX2X_ACCEPT_BROADCAST
, &accept_flags
))
2222 state
|= ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL
;
2224 if (test_bit(BNX2X_ACCEPT_UNMATCHED
, &accept_flags
)) {
2225 state
&= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL
;
2226 state
|= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED
;
2228 if (test_bit(BNX2X_ACCEPT_ANY_VLAN
, &accept_flags
))
2229 state
|= ETH_FILTER_RULES_CMD_ACCEPT_ANY_VLAN
;
2232 /* Clear ACCEPT_ALL_XXX flags for FCoE L2 Queue */
2233 if (clear_accept_all
) {
2234 state
&= ~ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL
;
2235 state
&= ~ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL
;
2236 state
&= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL
;
2237 state
&= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED
;
2240 cmd
->state
= cpu_to_le16(state
);
2244 static int bnx2x_set_rx_mode_e2(struct bnx2x
*bp
,
2245 struct bnx2x_rx_mode_ramrod_params
*p
)
2247 struct eth_filter_rules_ramrod_data
*data
= p
->rdata
;
2251 /* Reset the ramrod data buffer */
2252 memset(data
, 0, sizeof(*data
));
2254 /* Setup ramrod data */
2256 /* Tx (internal switching) */
2257 if (test_bit(RAMROD_TX
, &p
->ramrod_flags
)) {
2258 data
->rules
[rule_idx
].client_id
= p
->cl_id
;
2259 data
->rules
[rule_idx
].func_id
= p
->func_id
;
2261 data
->rules
[rule_idx
].cmd_general_data
=
2262 ETH_FILTER_RULES_CMD_TX_CMD
;
2264 bnx2x_rx_mode_set_cmd_state_e2(bp
, p
->tx_accept_flags
,
2265 &(data
->rules
[rule_idx
++]), false);
2269 if (test_bit(RAMROD_RX
, &p
->ramrod_flags
)) {
2270 data
->rules
[rule_idx
].client_id
= p
->cl_id
;
2271 data
->rules
[rule_idx
].func_id
= p
->func_id
;
2273 data
->rules
[rule_idx
].cmd_general_data
=
2274 ETH_FILTER_RULES_CMD_RX_CMD
;
2276 bnx2x_rx_mode_set_cmd_state_e2(bp
, p
->rx_accept_flags
,
2277 &(data
->rules
[rule_idx
++]), false);
2282 * If FCoE Queue configuration has been requested configure the Rx and
2283 * internal switching modes for this queue in separate rules.
2285 * FCoE queue shell never be set to ACCEPT_ALL packets of any sort:
2286 * MCAST_ALL, UCAST_ALL, BCAST_ALL and UNMATCHED.
2288 if (test_bit(BNX2X_RX_MODE_FCOE_ETH
, &p
->rx_mode_flags
)) {
2289 /* Tx (internal switching) */
2290 if (test_bit(RAMROD_TX
, &p
->ramrod_flags
)) {
2291 data
->rules
[rule_idx
].client_id
= bnx2x_fcoe(bp
, cl_id
);
2292 data
->rules
[rule_idx
].func_id
= p
->func_id
;
2294 data
->rules
[rule_idx
].cmd_general_data
=
2295 ETH_FILTER_RULES_CMD_TX_CMD
;
2297 bnx2x_rx_mode_set_cmd_state_e2(bp
, p
->tx_accept_flags
,
2298 &(data
->rules
[rule_idx
++]),
2303 if (test_bit(RAMROD_RX
, &p
->ramrod_flags
)) {
2304 data
->rules
[rule_idx
].client_id
= bnx2x_fcoe(bp
, cl_id
);
2305 data
->rules
[rule_idx
].func_id
= p
->func_id
;
2307 data
->rules
[rule_idx
].cmd_general_data
=
2308 ETH_FILTER_RULES_CMD_RX_CMD
;
2310 bnx2x_rx_mode_set_cmd_state_e2(bp
, p
->rx_accept_flags
,
2311 &(data
->rules
[rule_idx
++]),
2317 * Set the ramrod header (most importantly - number of rules to
2320 bnx2x_rx_mode_set_rdata_hdr_e2(p
->cid
, &data
->header
, rule_idx
);
2322 DP(BNX2X_MSG_SP
, "About to configure %d rules, rx_accept_flags 0x%lx, tx_accept_flags 0x%lx\n",
2323 data
->header
.rule_cnt
, p
->rx_accept_flags
,
2324 p
->tx_accept_flags
);
2327 * No need for an explicit memory barrier here as long we would
2328 * need to ensure the ordering of writing to the SPQ element
2329 * and updating of the SPQ producer which involves a memory
2330 * read and we will have to put a full memory barrier there
2331 * (inside bnx2x_sp_post()).
2335 rc
= bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_FILTER_RULES
, p
->cid
,
2336 U64_HI(p
->rdata_mapping
),
2337 U64_LO(p
->rdata_mapping
),
2338 ETH_CONNECTION_TYPE
);
2342 /* Ramrod completion is pending */
2346 static int bnx2x_wait_rx_mode_comp_e2(struct bnx2x
*bp
,
2347 struct bnx2x_rx_mode_ramrod_params
*p
)
2349 return bnx2x_state_wait(bp
, p
->state
, p
->pstate
);
2352 static int bnx2x_empty_rx_mode_wait(struct bnx2x
*bp
,
2353 struct bnx2x_rx_mode_ramrod_params
*p
)
2359 int bnx2x_config_rx_mode(struct bnx2x
*bp
,
2360 struct bnx2x_rx_mode_ramrod_params
*p
)
2364 /* Configure the new classification in the chip */
2365 rc
= p
->rx_mode_obj
->config_rx_mode(bp
, p
);
2369 /* Wait for a ramrod completion if was requested */
2370 if (test_bit(RAMROD_COMP_WAIT
, &p
->ramrod_flags
)) {
2371 rc
= p
->rx_mode_obj
->wait_comp(bp
, p
);
2379 void bnx2x_init_rx_mode_obj(struct bnx2x
*bp
,
2380 struct bnx2x_rx_mode_obj
*o
)
2382 if (CHIP_IS_E1x(bp
)) {
2383 o
->wait_comp
= bnx2x_empty_rx_mode_wait
;
2384 o
->config_rx_mode
= bnx2x_set_rx_mode_e1x
;
2386 o
->wait_comp
= bnx2x_wait_rx_mode_comp_e2
;
2387 o
->config_rx_mode
= bnx2x_set_rx_mode_e2
;
2391 /********************* Multicast verbs: SET, CLEAR ****************************/
2392 static inline u8
bnx2x_mcast_bin_from_mac(u8
*mac
)
2394 return (crc32c_le(0, mac
, ETH_ALEN
) >> 24) & 0xff;
2397 struct bnx2x_mcast_mac_elem
{
2398 struct list_head link
;
2400 u8 pad
[2]; /* For a natural alignment of the following buffer */
2403 struct bnx2x_pending_mcast_cmd
{
2404 struct list_head link
;
2405 int type
; /* BNX2X_MCAST_CMD_X */
2407 struct list_head macs_head
;
2408 u32 macs_num
; /* Needed for DEL command */
2409 int next_bin
; /* Needed for RESTORE flow with aprox match */
2412 bool done
; /* set to true, when the command has been handled,
2413 * practically used in 57712 handling only, where one pending
2414 * command may be handled in a few operations. As long as for
2415 * other chips every operation handling is completed in a
2416 * single ramrod, there is no need to utilize this field.
2420 static int bnx2x_mcast_wait(struct bnx2x
*bp
,
2421 struct bnx2x_mcast_obj
*o
)
2423 if (bnx2x_state_wait(bp
, o
->sched_state
, o
->raw
.pstate
) ||
2424 o
->raw
.wait_comp(bp
, &o
->raw
))
2430 static int bnx2x_mcast_enqueue_cmd(struct bnx2x
*bp
,
2431 struct bnx2x_mcast_obj
*o
,
2432 struct bnx2x_mcast_ramrod_params
*p
,
2436 struct bnx2x_pending_mcast_cmd
*new_cmd
;
2437 struct bnx2x_mcast_mac_elem
*cur_mac
= NULL
;
2438 struct bnx2x_mcast_list_elem
*pos
;
2439 int macs_list_len
= ((cmd
== BNX2X_MCAST_CMD_ADD
) ?
2440 p
->mcast_list_len
: 0);
2442 /* If the command is empty ("handle pending commands only"), break */
2443 if (!p
->mcast_list_len
)
2446 total_sz
= sizeof(*new_cmd
) +
2447 macs_list_len
* sizeof(struct bnx2x_mcast_mac_elem
);
2449 /* Add mcast is called under spin_lock, thus calling with GFP_ATOMIC */
2450 new_cmd
= kzalloc(total_sz
, GFP_ATOMIC
);
2455 DP(BNX2X_MSG_SP
, "About to enqueue a new %d command. macs_list_len=%d\n",
2456 cmd
, macs_list_len
);
2458 INIT_LIST_HEAD(&new_cmd
->data
.macs_head
);
2460 new_cmd
->type
= cmd
;
2461 new_cmd
->done
= false;
2464 case BNX2X_MCAST_CMD_ADD
:
2465 cur_mac
= (struct bnx2x_mcast_mac_elem
*)
2466 ((u8
*)new_cmd
+ sizeof(*new_cmd
));
2468 /* Push the MACs of the current command into the pendig command
2471 list_for_each_entry(pos
, &p
->mcast_list
, link
) {
2472 memcpy(cur_mac
->mac
, pos
->mac
, ETH_ALEN
);
2473 list_add_tail(&cur_mac
->link
, &new_cmd
->data
.macs_head
);
2479 case BNX2X_MCAST_CMD_DEL
:
2480 new_cmd
->data
.macs_num
= p
->mcast_list_len
;
2483 case BNX2X_MCAST_CMD_RESTORE
:
2484 new_cmd
->data
.next_bin
= 0;
2488 BNX2X_ERR("Unknown command: %d\n", cmd
);
2492 /* Push the new pending command to the tail of the pending list: FIFO */
2493 list_add_tail(&new_cmd
->link
, &o
->pending_cmds_head
);
2501 * bnx2x_mcast_get_next_bin - get the next set bin (index)
2504 * @last: index to start looking from (including)
2506 * returns the next found (set) bin or a negative value if none is found.
2508 static inline int bnx2x_mcast_get_next_bin(struct bnx2x_mcast_obj
*o
, int last
)
2510 int i
, j
, inner_start
= last
% BIT_VEC64_ELEM_SZ
;
2512 for (i
= last
/ BIT_VEC64_ELEM_SZ
; i
< BNX2X_MCAST_VEC_SZ
; i
++) {
2513 if (o
->registry
.aprox_match
.vec
[i
])
2514 for (j
= inner_start
; j
< BIT_VEC64_ELEM_SZ
; j
++) {
2515 int cur_bit
= j
+ BIT_VEC64_ELEM_SZ
* i
;
2516 if (BIT_VEC64_TEST_BIT(o
->registry
.aprox_match
.
2529 * bnx2x_mcast_clear_first_bin - find the first set bin and clear it
2533 * returns the index of the found bin or -1 if none is found
2535 static inline int bnx2x_mcast_clear_first_bin(struct bnx2x_mcast_obj
*o
)
2537 int cur_bit
= bnx2x_mcast_get_next_bin(o
, 0);
2540 BIT_VEC64_CLEAR_BIT(o
->registry
.aprox_match
.vec
, cur_bit
);
2545 static inline u8
bnx2x_mcast_get_rx_tx_flag(struct bnx2x_mcast_obj
*o
)
2547 struct bnx2x_raw_obj
*raw
= &o
->raw
;
2550 if ((raw
->obj_type
== BNX2X_OBJ_TYPE_TX
) ||
2551 (raw
->obj_type
== BNX2X_OBJ_TYPE_RX_TX
))
2552 rx_tx_flag
|= ETH_MULTICAST_RULES_CMD_TX_CMD
;
2554 if ((raw
->obj_type
== BNX2X_OBJ_TYPE_RX
) ||
2555 (raw
->obj_type
== BNX2X_OBJ_TYPE_RX_TX
))
2556 rx_tx_flag
|= ETH_MULTICAST_RULES_CMD_RX_CMD
;
2561 static void bnx2x_mcast_set_one_rule_e2(struct bnx2x
*bp
,
2562 struct bnx2x_mcast_obj
*o
, int idx
,
2563 union bnx2x_mcast_config_data
*cfg_data
,
2566 struct bnx2x_raw_obj
*r
= &o
->raw
;
2567 struct eth_multicast_rules_ramrod_data
*data
=
2568 (struct eth_multicast_rules_ramrod_data
*)(r
->rdata
);
2569 u8 func_id
= r
->func_id
;
2570 u8 rx_tx_add_flag
= bnx2x_mcast_get_rx_tx_flag(o
);
2573 if ((cmd
== BNX2X_MCAST_CMD_ADD
) || (cmd
== BNX2X_MCAST_CMD_RESTORE
))
2574 rx_tx_add_flag
|= ETH_MULTICAST_RULES_CMD_IS_ADD
;
2576 data
->rules
[idx
].cmd_general_data
|= rx_tx_add_flag
;
2578 /* Get a bin and update a bins' vector */
2580 case BNX2X_MCAST_CMD_ADD
:
2581 bin
= bnx2x_mcast_bin_from_mac(cfg_data
->mac
);
2582 BIT_VEC64_SET_BIT(o
->registry
.aprox_match
.vec
, bin
);
2585 case BNX2X_MCAST_CMD_DEL
:
2586 /* If there were no more bins to clear
2587 * (bnx2x_mcast_clear_first_bin() returns -1) then we would
2588 * clear any (0xff) bin.
2589 * See bnx2x_mcast_validate_e2() for explanation when it may
2592 bin
= bnx2x_mcast_clear_first_bin(o
);
2595 case BNX2X_MCAST_CMD_RESTORE
:
2596 bin
= cfg_data
->bin
;
2600 BNX2X_ERR("Unknown command: %d\n", cmd
);
2604 DP(BNX2X_MSG_SP
, "%s bin %d\n",
2605 ((rx_tx_add_flag
& ETH_MULTICAST_RULES_CMD_IS_ADD
) ?
2606 "Setting" : "Clearing"), bin
);
2608 data
->rules
[idx
].bin_id
= (u8
)bin
;
2609 data
->rules
[idx
].func_id
= func_id
;
2610 data
->rules
[idx
].engine_id
= o
->engine_id
;
2614 * bnx2x_mcast_handle_restore_cmd_e2 - restore configuration from the registry
2616 * @bp: device handle
2618 * @start_bin: index in the registry to start from (including)
2619 * @rdata_idx: index in the ramrod data to start from
2621 * returns last handled bin index or -1 if all bins have been handled
2623 static inline int bnx2x_mcast_handle_restore_cmd_e2(
2624 struct bnx2x
*bp
, struct bnx2x_mcast_obj
*o
, int start_bin
,
2627 int cur_bin
, cnt
= *rdata_idx
;
2628 union bnx2x_mcast_config_data cfg_data
= {0};
2630 /* go through the registry and configure the bins from it */
2631 for (cur_bin
= bnx2x_mcast_get_next_bin(o
, start_bin
); cur_bin
>= 0;
2632 cur_bin
= bnx2x_mcast_get_next_bin(o
, cur_bin
+ 1)) {
2634 cfg_data
.bin
= (u8
)cur_bin
;
2635 o
->set_one_rule(bp
, o
, cnt
, &cfg_data
,
2636 BNX2X_MCAST_CMD_RESTORE
);
2640 DP(BNX2X_MSG_SP
, "About to configure a bin %d\n", cur_bin
);
2642 /* Break if we reached the maximum number
2645 if (cnt
>= o
->max_cmd_len
)
2654 static inline void bnx2x_mcast_hdl_pending_add_e2(struct bnx2x
*bp
,
2655 struct bnx2x_mcast_obj
*o
, struct bnx2x_pending_mcast_cmd
*cmd_pos
,
2658 struct bnx2x_mcast_mac_elem
*pmac_pos
, *pmac_pos_n
;
2659 int cnt
= *line_idx
;
2660 union bnx2x_mcast_config_data cfg_data
= {0};
2662 list_for_each_entry_safe(pmac_pos
, pmac_pos_n
, &cmd_pos
->data
.macs_head
,
2665 cfg_data
.mac
= &pmac_pos
->mac
[0];
2666 o
->set_one_rule(bp
, o
, cnt
, &cfg_data
, cmd_pos
->type
);
2670 DP(BNX2X_MSG_SP
, "About to configure %pM mcast MAC\n",
2673 list_del(&pmac_pos
->link
);
2675 /* Break if we reached the maximum number
2678 if (cnt
>= o
->max_cmd_len
)
2684 /* if no more MACs to configure - we are done */
2685 if (list_empty(&cmd_pos
->data
.macs_head
))
2686 cmd_pos
->done
= true;
2689 static inline void bnx2x_mcast_hdl_pending_del_e2(struct bnx2x
*bp
,
2690 struct bnx2x_mcast_obj
*o
, struct bnx2x_pending_mcast_cmd
*cmd_pos
,
2693 int cnt
= *line_idx
;
2695 while (cmd_pos
->data
.macs_num
) {
2696 o
->set_one_rule(bp
, o
, cnt
, NULL
, cmd_pos
->type
);
2700 cmd_pos
->data
.macs_num
--;
2702 DP(BNX2X_MSG_SP
, "Deleting MAC. %d left,cnt is %d\n",
2703 cmd_pos
->data
.macs_num
, cnt
);
2705 /* Break if we reached the maximum
2708 if (cnt
>= o
->max_cmd_len
)
2714 /* If we cleared all bins - we are done */
2715 if (!cmd_pos
->data
.macs_num
)
2716 cmd_pos
->done
= true;
2719 static inline void bnx2x_mcast_hdl_pending_restore_e2(struct bnx2x
*bp
,
2720 struct bnx2x_mcast_obj
*o
, struct bnx2x_pending_mcast_cmd
*cmd_pos
,
2723 cmd_pos
->data
.next_bin
= o
->hdl_restore(bp
, o
, cmd_pos
->data
.next_bin
,
2726 if (cmd_pos
->data
.next_bin
< 0)
2727 /* If o->set_restore returned -1 we are done */
2728 cmd_pos
->done
= true;
2730 /* Start from the next bin next time */
2731 cmd_pos
->data
.next_bin
++;
2734 static inline int bnx2x_mcast_handle_pending_cmds_e2(struct bnx2x
*bp
,
2735 struct bnx2x_mcast_ramrod_params
*p
)
2737 struct bnx2x_pending_mcast_cmd
*cmd_pos
, *cmd_pos_n
;
2739 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
2741 list_for_each_entry_safe(cmd_pos
, cmd_pos_n
, &o
->pending_cmds_head
,
2743 switch (cmd_pos
->type
) {
2744 case BNX2X_MCAST_CMD_ADD
:
2745 bnx2x_mcast_hdl_pending_add_e2(bp
, o
, cmd_pos
, &cnt
);
2748 case BNX2X_MCAST_CMD_DEL
:
2749 bnx2x_mcast_hdl_pending_del_e2(bp
, o
, cmd_pos
, &cnt
);
2752 case BNX2X_MCAST_CMD_RESTORE
:
2753 bnx2x_mcast_hdl_pending_restore_e2(bp
, o
, cmd_pos
,
2758 BNX2X_ERR("Unknown command: %d\n", cmd_pos
->type
);
2762 /* If the command has been completed - remove it from the list
2763 * and free the memory
2765 if (cmd_pos
->done
) {
2766 list_del(&cmd_pos
->link
);
2770 /* Break if we reached the maximum number of rules */
2771 if (cnt
>= o
->max_cmd_len
)
2778 static inline void bnx2x_mcast_hdl_add(struct bnx2x
*bp
,
2779 struct bnx2x_mcast_obj
*o
, struct bnx2x_mcast_ramrod_params
*p
,
2782 struct bnx2x_mcast_list_elem
*mlist_pos
;
2783 union bnx2x_mcast_config_data cfg_data
= {0};
2784 int cnt
= *line_idx
;
2786 list_for_each_entry(mlist_pos
, &p
->mcast_list
, link
) {
2787 cfg_data
.mac
= mlist_pos
->mac
;
2788 o
->set_one_rule(bp
, o
, cnt
, &cfg_data
, BNX2X_MCAST_CMD_ADD
);
2792 DP(BNX2X_MSG_SP
, "About to configure %pM mcast MAC\n",
2799 static inline void bnx2x_mcast_hdl_del(struct bnx2x
*bp
,
2800 struct bnx2x_mcast_obj
*o
, struct bnx2x_mcast_ramrod_params
*p
,
2803 int cnt
= *line_idx
, i
;
2805 for (i
= 0; i
< p
->mcast_list_len
; i
++) {
2806 o
->set_one_rule(bp
, o
, cnt
, NULL
, BNX2X_MCAST_CMD_DEL
);
2810 DP(BNX2X_MSG_SP
, "Deleting MAC. %d left\n",
2811 p
->mcast_list_len
- i
- 1);
2818 * bnx2x_mcast_handle_current_cmd -
2820 * @bp: device handle
2823 * @start_cnt: first line in the ramrod data that may be used
2825 * This function is called iff there is enough place for the current command in
2827 * Returns number of lines filled in the ramrod data in total.
2829 static inline int bnx2x_mcast_handle_current_cmd(struct bnx2x
*bp
,
2830 struct bnx2x_mcast_ramrod_params
*p
, int cmd
,
2833 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
2834 int cnt
= start_cnt
;
2836 DP(BNX2X_MSG_SP
, "p->mcast_list_len=%d\n", p
->mcast_list_len
);
2839 case BNX2X_MCAST_CMD_ADD
:
2840 bnx2x_mcast_hdl_add(bp
, o
, p
, &cnt
);
2843 case BNX2X_MCAST_CMD_DEL
:
2844 bnx2x_mcast_hdl_del(bp
, o
, p
, &cnt
);
2847 case BNX2X_MCAST_CMD_RESTORE
:
2848 o
->hdl_restore(bp
, o
, 0, &cnt
);
2852 BNX2X_ERR("Unknown command: %d\n", cmd
);
2856 /* The current command has been handled */
2857 p
->mcast_list_len
= 0;
2862 static int bnx2x_mcast_validate_e2(struct bnx2x
*bp
,
2863 struct bnx2x_mcast_ramrod_params
*p
,
2866 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
2867 int reg_sz
= o
->get_registry_size(o
);
2870 /* DEL command deletes all currently configured MACs */
2871 case BNX2X_MCAST_CMD_DEL
:
2872 o
->set_registry_size(o
, 0);
2875 /* RESTORE command will restore the entire multicast configuration */
2876 case BNX2X_MCAST_CMD_RESTORE
:
2877 /* Here we set the approximate amount of work to do, which in
2878 * fact may be only less as some MACs in postponed ADD
2879 * command(s) scheduled before this command may fall into
2880 * the same bin and the actual number of bins set in the
2881 * registry would be less than we estimated here. See
2882 * bnx2x_mcast_set_one_rule_e2() for further details.
2884 p
->mcast_list_len
= reg_sz
;
2887 case BNX2X_MCAST_CMD_ADD
:
2888 case BNX2X_MCAST_CMD_CONT
:
2889 /* Here we assume that all new MACs will fall into new bins.
2890 * However we will correct the real registry size after we
2891 * handle all pending commands.
2893 o
->set_registry_size(o
, reg_sz
+ p
->mcast_list_len
);
2897 BNX2X_ERR("Unknown command: %d\n", cmd
);
2902 /* Increase the total number of MACs pending to be configured */
2903 o
->total_pending_num
+= p
->mcast_list_len
;
2908 static void bnx2x_mcast_revert_e2(struct bnx2x
*bp
,
2909 struct bnx2x_mcast_ramrod_params
*p
,
2912 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
2914 o
->set_registry_size(o
, old_num_bins
);
2915 o
->total_pending_num
-= p
->mcast_list_len
;
2919 * bnx2x_mcast_set_rdata_hdr_e2 - sets a header values
2921 * @bp: device handle
2923 * @len: number of rules to handle
2925 static inline void bnx2x_mcast_set_rdata_hdr_e2(struct bnx2x
*bp
,
2926 struct bnx2x_mcast_ramrod_params
*p
,
2929 struct bnx2x_raw_obj
*r
= &p
->mcast_obj
->raw
;
2930 struct eth_multicast_rules_ramrod_data
*data
=
2931 (struct eth_multicast_rules_ramrod_data
*)(r
->rdata
);
2933 data
->header
.echo
= ((r
->cid
& BNX2X_SWCID_MASK
) |
2934 (BNX2X_FILTER_MCAST_PENDING
<< BNX2X_SWCID_SHIFT
));
2935 data
->header
.rule_cnt
= len
;
2939 * bnx2x_mcast_refresh_registry_e2 - recalculate the actual number of set bins
2941 * @bp: device handle
2944 * Recalculate the actual number of set bins in the registry using Brian
2945 * Kernighan's algorithm: it's execution complexity is as a number of set bins.
2947 * returns 0 for the compliance with bnx2x_mcast_refresh_registry_e1().
2949 static inline int bnx2x_mcast_refresh_registry_e2(struct bnx2x
*bp
,
2950 struct bnx2x_mcast_obj
*o
)
2955 for (i
= 0; i
< BNX2X_MCAST_VEC_SZ
; i
++) {
2956 elem
= o
->registry
.aprox_match
.vec
[i
];
2961 o
->set_registry_size(o
, cnt
);
2966 static int bnx2x_mcast_setup_e2(struct bnx2x
*bp
,
2967 struct bnx2x_mcast_ramrod_params
*p
,
2970 struct bnx2x_raw_obj
*raw
= &p
->mcast_obj
->raw
;
2971 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
2972 struct eth_multicast_rules_ramrod_data
*data
=
2973 (struct eth_multicast_rules_ramrod_data
*)(raw
->rdata
);
2976 /* Reset the ramrod data buffer */
2977 memset(data
, 0, sizeof(*data
));
2979 cnt
= bnx2x_mcast_handle_pending_cmds_e2(bp
, p
);
2981 /* If there are no more pending commands - clear SCHEDULED state */
2982 if (list_empty(&o
->pending_cmds_head
))
2985 /* The below may be true iff there was enough room in ramrod
2986 * data for all pending commands and for the current
2987 * command. Otherwise the current command would have been added
2988 * to the pending commands and p->mcast_list_len would have been
2991 if (p
->mcast_list_len
> 0)
2992 cnt
= bnx2x_mcast_handle_current_cmd(bp
, p
, cmd
, cnt
);
2994 /* We've pulled out some MACs - update the total number of
2997 o
->total_pending_num
-= cnt
;
3000 WARN_ON(o
->total_pending_num
< 0);
3001 WARN_ON(cnt
> o
->max_cmd_len
);
3003 bnx2x_mcast_set_rdata_hdr_e2(bp
, p
, (u8
)cnt
);
3005 /* Update a registry size if there are no more pending operations.
3007 * We don't want to change the value of the registry size if there are
3008 * pending operations because we want it to always be equal to the
3009 * exact or the approximate number (see bnx2x_mcast_validate_e2()) of
3010 * set bins after the last requested operation in order to properly
3011 * evaluate the size of the next DEL/RESTORE operation.
3013 * Note that we update the registry itself during command(s) handling
3014 * - see bnx2x_mcast_set_one_rule_e2(). That's because for 57712 we
3015 * aggregate multiple commands (ADD/DEL/RESTORE) into one ramrod but
3016 * with a limited amount of update commands (per MAC/bin) and we don't
3017 * know in this scope what the actual state of bins configuration is
3018 * going to be after this ramrod.
3020 if (!o
->total_pending_num
)
3021 bnx2x_mcast_refresh_registry_e2(bp
, o
);
3024 * If CLEAR_ONLY was requested - don't send a ramrod and clear
3025 * RAMROD_PENDING status immediately.
3027 if (test_bit(RAMROD_DRV_CLR_ONLY
, &p
->ramrod_flags
)) {
3028 raw
->clear_pending(raw
);
3032 * No need for an explicit memory barrier here as long we would
3033 * need to ensure the ordering of writing to the SPQ element
3034 * and updating of the SPQ producer which involves a memory
3035 * read and we will have to put a full memory barrier there
3036 * (inside bnx2x_sp_post()).
3040 rc
= bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_MULTICAST_RULES
,
3041 raw
->cid
, U64_HI(raw
->rdata_mapping
),
3042 U64_LO(raw
->rdata_mapping
),
3043 ETH_CONNECTION_TYPE
);
3047 /* Ramrod completion is pending */
3052 static int bnx2x_mcast_validate_e1h(struct bnx2x
*bp
,
3053 struct bnx2x_mcast_ramrod_params
*p
,
3056 /* Mark, that there is a work to do */
3057 if ((cmd
== BNX2X_MCAST_CMD_DEL
) || (cmd
== BNX2X_MCAST_CMD_RESTORE
))
3058 p
->mcast_list_len
= 1;
3063 static void bnx2x_mcast_revert_e1h(struct bnx2x
*bp
,
3064 struct bnx2x_mcast_ramrod_params
*p
,
3070 #define BNX2X_57711_SET_MC_FILTER(filter, bit) \
3072 (filter)[(bit) >> 5] |= (1 << ((bit) & 0x1f)); \
3075 static inline void bnx2x_mcast_hdl_add_e1h(struct bnx2x
*bp
,
3076 struct bnx2x_mcast_obj
*o
,
3077 struct bnx2x_mcast_ramrod_params
*p
,
3080 struct bnx2x_mcast_list_elem
*mlist_pos
;
3083 list_for_each_entry(mlist_pos
, &p
->mcast_list
, link
) {
3084 bit
= bnx2x_mcast_bin_from_mac(mlist_pos
->mac
);
3085 BNX2X_57711_SET_MC_FILTER(mc_filter
, bit
);
3087 DP(BNX2X_MSG_SP
, "About to configure %pM mcast MAC, bin %d\n",
3088 mlist_pos
->mac
, bit
);
3090 /* bookkeeping... */
3091 BIT_VEC64_SET_BIT(o
->registry
.aprox_match
.vec
,
3096 static inline void bnx2x_mcast_hdl_restore_e1h(struct bnx2x
*bp
,
3097 struct bnx2x_mcast_obj
*o
, struct bnx2x_mcast_ramrod_params
*p
,
3102 for (bit
= bnx2x_mcast_get_next_bin(o
, 0);
3104 bit
= bnx2x_mcast_get_next_bin(o
, bit
+ 1)) {
3105 BNX2X_57711_SET_MC_FILTER(mc_filter
, bit
);
3106 DP(BNX2X_MSG_SP
, "About to set bin %d\n", bit
);
3110 /* On 57711 we write the multicast MACs' aproximate match
3111 * table by directly into the TSTORM's internal RAM. So we don't
3112 * really need to handle any tricks to make it work.
3114 static int bnx2x_mcast_setup_e1h(struct bnx2x
*bp
,
3115 struct bnx2x_mcast_ramrod_params
*p
,
3119 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
3120 struct bnx2x_raw_obj
*r
= &o
->raw
;
3122 /* If CLEAR_ONLY has been requested - clear the registry
3123 * and clear a pending bit.
3125 if (!test_bit(RAMROD_DRV_CLR_ONLY
, &p
->ramrod_flags
)) {
3126 u32 mc_filter
[MC_HASH_SIZE
] = {0};
3128 /* Set the multicast filter bits before writing it into
3129 * the internal memory.
3132 case BNX2X_MCAST_CMD_ADD
:
3133 bnx2x_mcast_hdl_add_e1h(bp
, o
, p
, mc_filter
);
3136 case BNX2X_MCAST_CMD_DEL
:
3138 "Invalidating multicast MACs configuration\n");
3140 /* clear the registry */
3141 memset(o
->registry
.aprox_match
.vec
, 0,
3142 sizeof(o
->registry
.aprox_match
.vec
));
3145 case BNX2X_MCAST_CMD_RESTORE
:
3146 bnx2x_mcast_hdl_restore_e1h(bp
, o
, p
, mc_filter
);
3150 BNX2X_ERR("Unknown command: %d\n", cmd
);
3154 /* Set the mcast filter in the internal memory */
3155 for (i
= 0; i
< MC_HASH_SIZE
; i
++)
3156 REG_WR(bp
, MC_HASH_OFFSET(bp
, i
), mc_filter
[i
]);
3158 /* clear the registry */
3159 memset(o
->registry
.aprox_match
.vec
, 0,
3160 sizeof(o
->registry
.aprox_match
.vec
));
3163 r
->clear_pending(r
);
3168 static int bnx2x_mcast_validate_e1(struct bnx2x
*bp
,
3169 struct bnx2x_mcast_ramrod_params
*p
,
3172 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
3173 int reg_sz
= o
->get_registry_size(o
);
3176 /* DEL command deletes all currently configured MACs */
3177 case BNX2X_MCAST_CMD_DEL
:
3178 o
->set_registry_size(o
, 0);
3181 /* RESTORE command will restore the entire multicast configuration */
3182 case BNX2X_MCAST_CMD_RESTORE
:
3183 p
->mcast_list_len
= reg_sz
;
3184 DP(BNX2X_MSG_SP
, "Command %d, p->mcast_list_len=%d\n",
3185 cmd
, p
->mcast_list_len
);
3188 case BNX2X_MCAST_CMD_ADD
:
3189 case BNX2X_MCAST_CMD_CONT
:
3190 /* Multicast MACs on 57710 are configured as unicast MACs and
3191 * there is only a limited number of CAM entries for that
3194 if (p
->mcast_list_len
> o
->max_cmd_len
) {
3195 BNX2X_ERR("Can't configure more than %d multicast MACs on 57710\n",
3199 /* Every configured MAC should be cleared if DEL command is
3200 * called. Only the last ADD command is relevant as long as
3201 * every ADD commands overrides the previous configuration.
3203 DP(BNX2X_MSG_SP
, "p->mcast_list_len=%d\n", p
->mcast_list_len
);
3204 if (p
->mcast_list_len
> 0)
3205 o
->set_registry_size(o
, p
->mcast_list_len
);
3210 BNX2X_ERR("Unknown command: %d\n", cmd
);
3215 /* We want to ensure that commands are executed one by one for 57710.
3216 * Therefore each none-empty command will consume o->max_cmd_len.
3218 if (p
->mcast_list_len
)
3219 o
->total_pending_num
+= o
->max_cmd_len
;
3224 static void bnx2x_mcast_revert_e1(struct bnx2x
*bp
,
3225 struct bnx2x_mcast_ramrod_params
*p
,
3228 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
3230 o
->set_registry_size(o
, old_num_macs
);
3232 /* If current command hasn't been handled yet and we are
3233 * here means that it's meant to be dropped and we have to
3234 * update the number of outstandling MACs accordingly.
3236 if (p
->mcast_list_len
)
3237 o
->total_pending_num
-= o
->max_cmd_len
;
3240 static void bnx2x_mcast_set_one_rule_e1(struct bnx2x
*bp
,
3241 struct bnx2x_mcast_obj
*o
, int idx
,
3242 union bnx2x_mcast_config_data
*cfg_data
,
3245 struct bnx2x_raw_obj
*r
= &o
->raw
;
3246 struct mac_configuration_cmd
*data
=
3247 (struct mac_configuration_cmd
*)(r
->rdata
);
3250 if ((cmd
== BNX2X_MCAST_CMD_ADD
) || (cmd
== BNX2X_MCAST_CMD_RESTORE
)) {
3251 bnx2x_set_fw_mac_addr(&data
->config_table
[idx
].msb_mac_addr
,
3252 &data
->config_table
[idx
].middle_mac_addr
,
3253 &data
->config_table
[idx
].lsb_mac_addr
,
3256 data
->config_table
[idx
].vlan_id
= 0;
3257 data
->config_table
[idx
].pf_id
= r
->func_id
;
3258 data
->config_table
[idx
].clients_bit_vector
=
3259 cpu_to_le32(1 << r
->cl_id
);
3261 SET_FLAG(data
->config_table
[idx
].flags
,
3262 MAC_CONFIGURATION_ENTRY_ACTION_TYPE
,
3263 T_ETH_MAC_COMMAND_SET
);
3268 * bnx2x_mcast_set_rdata_hdr_e1 - set header values in mac_configuration_cmd
3270 * @bp: device handle
3272 * @len: number of rules to handle
3274 static inline void bnx2x_mcast_set_rdata_hdr_e1(struct bnx2x
*bp
,
3275 struct bnx2x_mcast_ramrod_params
*p
,
3278 struct bnx2x_raw_obj
*r
= &p
->mcast_obj
->raw
;
3279 struct mac_configuration_cmd
*data
=
3280 (struct mac_configuration_cmd
*)(r
->rdata
);
3282 u8 offset
= (CHIP_REV_IS_SLOW(bp
) ?
3283 BNX2X_MAX_EMUL_MULTI
*(1 + r
->func_id
) :
3284 BNX2X_MAX_MULTICAST
*(1 + r
->func_id
));
3286 data
->hdr
.offset
= offset
;
3287 data
->hdr
.client_id
= 0xff;
3288 data
->hdr
.echo
= ((r
->cid
& BNX2X_SWCID_MASK
) |
3289 (BNX2X_FILTER_MCAST_PENDING
<< BNX2X_SWCID_SHIFT
));
3290 data
->hdr
.length
= len
;
3294 * bnx2x_mcast_handle_restore_cmd_e1 - restore command for 57710
3296 * @bp: device handle
3298 * @start_idx: index in the registry to start from
3299 * @rdata_idx: index in the ramrod data to start from
3301 * restore command for 57710 is like all other commands - always a stand alone
3302 * command - start_idx and rdata_idx will always be 0. This function will always
3304 * returns -1 to comply with 57712 variant.
3306 static inline int bnx2x_mcast_handle_restore_cmd_e1(
3307 struct bnx2x
*bp
, struct bnx2x_mcast_obj
*o
, int start_idx
,
3310 struct bnx2x_mcast_mac_elem
*elem
;
3312 union bnx2x_mcast_config_data cfg_data
= {0};
3314 /* go through the registry and configure the MACs from it. */
3315 list_for_each_entry(elem
, &o
->registry
.exact_match
.macs
, link
) {
3316 cfg_data
.mac
= &elem
->mac
[0];
3317 o
->set_one_rule(bp
, o
, i
, &cfg_data
, BNX2X_MCAST_CMD_RESTORE
);
3321 DP(BNX2X_MSG_SP
, "About to configure %pM mcast MAC\n",
3331 static inline int bnx2x_mcast_handle_pending_cmds_e1(
3332 struct bnx2x
*bp
, struct bnx2x_mcast_ramrod_params
*p
)
3334 struct bnx2x_pending_mcast_cmd
*cmd_pos
;
3335 struct bnx2x_mcast_mac_elem
*pmac_pos
;
3336 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
3337 union bnx2x_mcast_config_data cfg_data
= {0};
3341 /* If nothing to be done - return */
3342 if (list_empty(&o
->pending_cmds_head
))
3345 /* Handle the first command */
3346 cmd_pos
= list_first_entry(&o
->pending_cmds_head
,
3347 struct bnx2x_pending_mcast_cmd
, link
);
3349 switch (cmd_pos
->type
) {
3350 case BNX2X_MCAST_CMD_ADD
:
3351 list_for_each_entry(pmac_pos
, &cmd_pos
->data
.macs_head
, link
) {
3352 cfg_data
.mac
= &pmac_pos
->mac
[0];
3353 o
->set_one_rule(bp
, o
, cnt
, &cfg_data
, cmd_pos
->type
);
3357 DP(BNX2X_MSG_SP
, "About to configure %pM mcast MAC\n",
3362 case BNX2X_MCAST_CMD_DEL
:
3363 cnt
= cmd_pos
->data
.macs_num
;
3364 DP(BNX2X_MSG_SP
, "About to delete %d multicast MACs\n", cnt
);
3367 case BNX2X_MCAST_CMD_RESTORE
:
3368 o
->hdl_restore(bp
, o
, 0, &cnt
);
3372 BNX2X_ERR("Unknown command: %d\n", cmd_pos
->type
);
3376 list_del(&cmd_pos
->link
);
3383 * bnx2x_get_fw_mac_addr - revert the bnx2x_set_fw_mac_addr().
3390 static inline void bnx2x_get_fw_mac_addr(__le16
*fw_hi
, __le16
*fw_mid
,
3391 __le16
*fw_lo
, u8
*mac
)
3393 mac
[1] = ((u8
*)fw_hi
)[0];
3394 mac
[0] = ((u8
*)fw_hi
)[1];
3395 mac
[3] = ((u8
*)fw_mid
)[0];
3396 mac
[2] = ((u8
*)fw_mid
)[1];
3397 mac
[5] = ((u8
*)fw_lo
)[0];
3398 mac
[4] = ((u8
*)fw_lo
)[1];
3402 * bnx2x_mcast_refresh_registry_e1 -
3404 * @bp: device handle
3407 * Check the ramrod data first entry flag to see if it's a DELETE or ADD command
3408 * and update the registry correspondingly: if ADD - allocate a memory and add
3409 * the entries to the registry (list), if DELETE - clear the registry and free
3412 static inline int bnx2x_mcast_refresh_registry_e1(struct bnx2x
*bp
,
3413 struct bnx2x_mcast_obj
*o
)
3415 struct bnx2x_raw_obj
*raw
= &o
->raw
;
3416 struct bnx2x_mcast_mac_elem
*elem
;
3417 struct mac_configuration_cmd
*data
=
3418 (struct mac_configuration_cmd
*)(raw
->rdata
);
3420 /* If first entry contains a SET bit - the command was ADD,
3421 * otherwise - DEL_ALL
3423 if (GET_FLAG(data
->config_table
[0].flags
,
3424 MAC_CONFIGURATION_ENTRY_ACTION_TYPE
)) {
3425 int i
, len
= data
->hdr
.length
;
3427 /* Break if it was a RESTORE command */
3428 if (!list_empty(&o
->registry
.exact_match
.macs
))
3431 elem
= kcalloc(len
, sizeof(*elem
), GFP_ATOMIC
);
3433 BNX2X_ERR("Failed to allocate registry memory\n");
3437 for (i
= 0; i
< len
; i
++, elem
++) {
3438 bnx2x_get_fw_mac_addr(
3439 &data
->config_table
[i
].msb_mac_addr
,
3440 &data
->config_table
[i
].middle_mac_addr
,
3441 &data
->config_table
[i
].lsb_mac_addr
,
3443 DP(BNX2X_MSG_SP
, "Adding registry entry for [%pM]\n",
3445 list_add_tail(&elem
->link
,
3446 &o
->registry
.exact_match
.macs
);
3449 elem
= list_first_entry(&o
->registry
.exact_match
.macs
,
3450 struct bnx2x_mcast_mac_elem
, link
);
3451 DP(BNX2X_MSG_SP
, "Deleting a registry\n");
3453 INIT_LIST_HEAD(&o
->registry
.exact_match
.macs
);
3459 static int bnx2x_mcast_setup_e1(struct bnx2x
*bp
,
3460 struct bnx2x_mcast_ramrod_params
*p
,
3463 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
3464 struct bnx2x_raw_obj
*raw
= &o
->raw
;
3465 struct mac_configuration_cmd
*data
=
3466 (struct mac_configuration_cmd
*)(raw
->rdata
);
3469 /* Reset the ramrod data buffer */
3470 memset(data
, 0, sizeof(*data
));
3472 /* First set all entries as invalid */
3473 for (i
= 0; i
< o
->max_cmd_len
; i
++)
3474 SET_FLAG(data
->config_table
[i
].flags
,
3475 MAC_CONFIGURATION_ENTRY_ACTION_TYPE
,
3476 T_ETH_MAC_COMMAND_INVALIDATE
);
3478 /* Handle pending commands first */
3479 cnt
= bnx2x_mcast_handle_pending_cmds_e1(bp
, p
);
3481 /* If there are no more pending commands - clear SCHEDULED state */
3482 if (list_empty(&o
->pending_cmds_head
))
3485 /* The below may be true iff there were no pending commands */
3487 cnt
= bnx2x_mcast_handle_current_cmd(bp
, p
, cmd
, 0);
3489 /* For 57710 every command has o->max_cmd_len length to ensure that
3490 * commands are done one at a time.
3492 o
->total_pending_num
-= o
->max_cmd_len
;
3496 WARN_ON(cnt
> o
->max_cmd_len
);
3498 /* Set ramrod header (in particular, a number of entries to update) */
3499 bnx2x_mcast_set_rdata_hdr_e1(bp
, p
, (u8
)cnt
);
3501 /* update a registry: we need the registry contents to be always up
3502 * to date in order to be able to execute a RESTORE opcode. Here
3503 * we use the fact that for 57710 we sent one command at a time
3504 * hence we may take the registry update out of the command handling
3505 * and do it in a simpler way here.
3507 rc
= bnx2x_mcast_refresh_registry_e1(bp
, o
);
3512 * If CLEAR_ONLY was requested - don't send a ramrod and clear
3513 * RAMROD_PENDING status immediately.
3515 if (test_bit(RAMROD_DRV_CLR_ONLY
, &p
->ramrod_flags
)) {
3516 raw
->clear_pending(raw
);
3520 * No need for an explicit memory barrier here as long we would
3521 * need to ensure the ordering of writing to the SPQ element
3522 * and updating of the SPQ producer which involves a memory
3523 * read and we will have to put a full memory barrier there
3524 * (inside bnx2x_sp_post()).
3528 rc
= bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_SET_MAC
, raw
->cid
,
3529 U64_HI(raw
->rdata_mapping
),
3530 U64_LO(raw
->rdata_mapping
),
3531 ETH_CONNECTION_TYPE
);
3535 /* Ramrod completion is pending */
3541 static int bnx2x_mcast_get_registry_size_exact(struct bnx2x_mcast_obj
*o
)
3543 return o
->registry
.exact_match
.num_macs_set
;
3546 static int bnx2x_mcast_get_registry_size_aprox(struct bnx2x_mcast_obj
*o
)
3548 return o
->registry
.aprox_match
.num_bins_set
;
3551 static void bnx2x_mcast_set_registry_size_exact(struct bnx2x_mcast_obj
*o
,
3554 o
->registry
.exact_match
.num_macs_set
= n
;
3557 static void bnx2x_mcast_set_registry_size_aprox(struct bnx2x_mcast_obj
*o
,
3560 o
->registry
.aprox_match
.num_bins_set
= n
;
3563 int bnx2x_config_mcast(struct bnx2x
*bp
,
3564 struct bnx2x_mcast_ramrod_params
*p
,
3567 struct bnx2x_mcast_obj
*o
= p
->mcast_obj
;
3568 struct bnx2x_raw_obj
*r
= &o
->raw
;
3569 int rc
= 0, old_reg_size
;
3571 /* This is needed to recover number of currently configured mcast macs
3572 * in case of failure.
3574 old_reg_size
= o
->get_registry_size(o
);
3576 /* Do some calculations and checks */
3577 rc
= o
->validate(bp
, p
, cmd
);
3581 /* Return if there is no work to do */
3582 if ((!p
->mcast_list_len
) && (!o
->check_sched(o
)))
3585 DP(BNX2X_MSG_SP
, "o->total_pending_num=%d p->mcast_list_len=%d o->max_cmd_len=%d\n",
3586 o
->total_pending_num
, p
->mcast_list_len
, o
->max_cmd_len
);
3588 /* Enqueue the current command to the pending list if we can't complete
3589 * it in the current iteration
3591 if (r
->check_pending(r
) ||
3592 ((o
->max_cmd_len
> 0) && (o
->total_pending_num
> o
->max_cmd_len
))) {
3593 rc
= o
->enqueue_cmd(bp
, p
->mcast_obj
, p
, cmd
);
3597 /* As long as the current command is in a command list we
3598 * don't need to handle it separately.
3600 p
->mcast_list_len
= 0;
3603 if (!r
->check_pending(r
)) {
3605 /* Set 'pending' state */
3608 /* Configure the new classification in the chip */
3609 rc
= o
->config_mcast(bp
, p
, cmd
);
3613 /* Wait for a ramrod completion if was requested */
3614 if (test_bit(RAMROD_COMP_WAIT
, &p
->ramrod_flags
))
3615 rc
= o
->wait_comp(bp
, o
);
3621 r
->clear_pending(r
);
3624 o
->revert(bp
, p
, old_reg_size
);
3629 static void bnx2x_mcast_clear_sched(struct bnx2x_mcast_obj
*o
)
3631 smp_mb__before_clear_bit();
3632 clear_bit(o
->sched_state
, o
->raw
.pstate
);
3633 smp_mb__after_clear_bit();
3636 static void bnx2x_mcast_set_sched(struct bnx2x_mcast_obj
*o
)
3638 smp_mb__before_clear_bit();
3639 set_bit(o
->sched_state
, o
->raw
.pstate
);
3640 smp_mb__after_clear_bit();
3643 static bool bnx2x_mcast_check_sched(struct bnx2x_mcast_obj
*o
)
3645 return !!test_bit(o
->sched_state
, o
->raw
.pstate
);
3648 static bool bnx2x_mcast_check_pending(struct bnx2x_mcast_obj
*o
)
3650 return o
->raw
.check_pending(&o
->raw
) || o
->check_sched(o
);
3653 void bnx2x_init_mcast_obj(struct bnx2x
*bp
,
3654 struct bnx2x_mcast_obj
*mcast_obj
,
3655 u8 mcast_cl_id
, u32 mcast_cid
, u8 func_id
,
3656 u8 engine_id
, void *rdata
, dma_addr_t rdata_mapping
,
3657 int state
, unsigned long *pstate
, bnx2x_obj_type type
)
3659 memset(mcast_obj
, 0, sizeof(*mcast_obj
));
3661 bnx2x_init_raw_obj(&mcast_obj
->raw
, mcast_cl_id
, mcast_cid
, func_id
,
3662 rdata
, rdata_mapping
, state
, pstate
, type
);
3664 mcast_obj
->engine_id
= engine_id
;
3666 INIT_LIST_HEAD(&mcast_obj
->pending_cmds_head
);
3668 mcast_obj
->sched_state
= BNX2X_FILTER_MCAST_SCHED
;
3669 mcast_obj
->check_sched
= bnx2x_mcast_check_sched
;
3670 mcast_obj
->set_sched
= bnx2x_mcast_set_sched
;
3671 mcast_obj
->clear_sched
= bnx2x_mcast_clear_sched
;
3673 if (CHIP_IS_E1(bp
)) {
3674 mcast_obj
->config_mcast
= bnx2x_mcast_setup_e1
;
3675 mcast_obj
->enqueue_cmd
= bnx2x_mcast_enqueue_cmd
;
3676 mcast_obj
->hdl_restore
=
3677 bnx2x_mcast_handle_restore_cmd_e1
;
3678 mcast_obj
->check_pending
= bnx2x_mcast_check_pending
;
3680 if (CHIP_REV_IS_SLOW(bp
))
3681 mcast_obj
->max_cmd_len
= BNX2X_MAX_EMUL_MULTI
;
3683 mcast_obj
->max_cmd_len
= BNX2X_MAX_MULTICAST
;
3685 mcast_obj
->wait_comp
= bnx2x_mcast_wait
;
3686 mcast_obj
->set_one_rule
= bnx2x_mcast_set_one_rule_e1
;
3687 mcast_obj
->validate
= bnx2x_mcast_validate_e1
;
3688 mcast_obj
->revert
= bnx2x_mcast_revert_e1
;
3689 mcast_obj
->get_registry_size
=
3690 bnx2x_mcast_get_registry_size_exact
;
3691 mcast_obj
->set_registry_size
=
3692 bnx2x_mcast_set_registry_size_exact
;
3694 /* 57710 is the only chip that uses the exact match for mcast
3697 INIT_LIST_HEAD(&mcast_obj
->registry
.exact_match
.macs
);
3699 } else if (CHIP_IS_E1H(bp
)) {
3700 mcast_obj
->config_mcast
= bnx2x_mcast_setup_e1h
;
3701 mcast_obj
->enqueue_cmd
= NULL
;
3702 mcast_obj
->hdl_restore
= NULL
;
3703 mcast_obj
->check_pending
= bnx2x_mcast_check_pending
;
3705 /* 57711 doesn't send a ramrod, so it has unlimited credit
3708 mcast_obj
->max_cmd_len
= -1;
3709 mcast_obj
->wait_comp
= bnx2x_mcast_wait
;
3710 mcast_obj
->set_one_rule
= NULL
;
3711 mcast_obj
->validate
= bnx2x_mcast_validate_e1h
;
3712 mcast_obj
->revert
= bnx2x_mcast_revert_e1h
;
3713 mcast_obj
->get_registry_size
=
3714 bnx2x_mcast_get_registry_size_aprox
;
3715 mcast_obj
->set_registry_size
=
3716 bnx2x_mcast_set_registry_size_aprox
;
3718 mcast_obj
->config_mcast
= bnx2x_mcast_setup_e2
;
3719 mcast_obj
->enqueue_cmd
= bnx2x_mcast_enqueue_cmd
;
3720 mcast_obj
->hdl_restore
=
3721 bnx2x_mcast_handle_restore_cmd_e2
;
3722 mcast_obj
->check_pending
= bnx2x_mcast_check_pending
;
3723 /* TODO: There should be a proper HSI define for this number!!!
3725 mcast_obj
->max_cmd_len
= 16;
3726 mcast_obj
->wait_comp
= bnx2x_mcast_wait
;
3727 mcast_obj
->set_one_rule
= bnx2x_mcast_set_one_rule_e2
;
3728 mcast_obj
->validate
= bnx2x_mcast_validate_e2
;
3729 mcast_obj
->revert
= bnx2x_mcast_revert_e2
;
3730 mcast_obj
->get_registry_size
=
3731 bnx2x_mcast_get_registry_size_aprox
;
3732 mcast_obj
->set_registry_size
=
3733 bnx2x_mcast_set_registry_size_aprox
;
3737 /*************************** Credit handling **********************************/
3740 * atomic_add_ifless - add if the result is less than a given value.
3742 * @v: pointer of type atomic_t
3743 * @a: the amount to add to v...
3744 * @u: ...if (v + a) is less than u.
3746 * returns true if (v + a) was less than u, and false otherwise.
3749 static inline bool __atomic_add_ifless(atomic_t
*v
, int a
, int u
)
3755 if (unlikely(c
+ a
>= u
))
3758 old
= atomic_cmpxchg((v
), c
, c
+ a
);
3759 if (likely(old
== c
))
3768 * atomic_dec_ifmoe - dec if the result is more or equal than a given value.
3770 * @v: pointer of type atomic_t
3771 * @a: the amount to dec from v...
3772 * @u: ...if (v - a) is more or equal than u.
3774 * returns true if (v - a) was more or equal than u, and false
3777 static inline bool __atomic_dec_ifmoe(atomic_t
*v
, int a
, int u
)
3783 if (unlikely(c
- a
< u
))
3786 old
= atomic_cmpxchg((v
), c
, c
- a
);
3787 if (likely(old
== c
))
3795 static bool bnx2x_credit_pool_get(struct bnx2x_credit_pool_obj
*o
, int cnt
)
3800 rc
= __atomic_dec_ifmoe(&o
->credit
, cnt
, 0);
3806 static bool bnx2x_credit_pool_put(struct bnx2x_credit_pool_obj
*o
, int cnt
)
3812 /* Don't let to refill if credit + cnt > pool_sz */
3813 rc
= __atomic_add_ifless(&o
->credit
, cnt
, o
->pool_sz
+ 1);
3820 static int bnx2x_credit_pool_check(struct bnx2x_credit_pool_obj
*o
)
3825 cur_credit
= atomic_read(&o
->credit
);
3830 static bool bnx2x_credit_pool_always_true(struct bnx2x_credit_pool_obj
*o
,
3837 static bool bnx2x_credit_pool_get_entry(
3838 struct bnx2x_credit_pool_obj
*o
,
3845 /* Find "internal cam-offset" then add to base for this object... */
3846 for (vec
= 0; vec
< BNX2X_POOL_VEC_SIZE
; vec
++) {
3848 /* Skip the current vector if there are no free entries in it */
3849 if (!o
->pool_mirror
[vec
])
3852 /* If we've got here we are going to find a free entry */
3853 for (idx
= vec
* BIT_VEC64_ELEM_SZ
, i
= 0;
3854 i
< BIT_VEC64_ELEM_SZ
; idx
++, i
++)
3856 if (BIT_VEC64_TEST_BIT(o
->pool_mirror
, idx
)) {
3858 BIT_VEC64_CLEAR_BIT(o
->pool_mirror
, idx
);
3859 *offset
= o
->base_pool_offset
+ idx
;
3867 static bool bnx2x_credit_pool_put_entry(
3868 struct bnx2x_credit_pool_obj
*o
,
3871 if (offset
< o
->base_pool_offset
)
3874 offset
-= o
->base_pool_offset
;
3876 if (offset
>= o
->pool_sz
)
3879 /* Return the entry to the pool */
3880 BIT_VEC64_SET_BIT(o
->pool_mirror
, offset
);
3885 static bool bnx2x_credit_pool_put_entry_always_true(
3886 struct bnx2x_credit_pool_obj
*o
,
3892 static bool bnx2x_credit_pool_get_entry_always_true(
3893 struct bnx2x_credit_pool_obj
*o
,
3900 * bnx2x_init_credit_pool - initialize credit pool internals.
3903 * @base: Base entry in the CAM to use.
3904 * @credit: pool size.
3906 * If base is negative no CAM entries handling will be performed.
3907 * If credit is negative pool operations will always succeed (unlimited pool).
3910 static inline void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj
*p
,
3911 int base
, int credit
)
3913 /* Zero the object first */
3914 memset(p
, 0, sizeof(*p
));
3916 /* Set the table to all 1s */
3917 memset(&p
->pool_mirror
, 0xff, sizeof(p
->pool_mirror
));
3919 /* Init a pool as full */
3920 atomic_set(&p
->credit
, credit
);
3922 /* The total poll size */
3923 p
->pool_sz
= credit
;
3925 p
->base_pool_offset
= base
;
3927 /* Commit the change */
3930 p
->check
= bnx2x_credit_pool_check
;
3932 /* if pool credit is negative - disable the checks */
3934 p
->put
= bnx2x_credit_pool_put
;
3935 p
->get
= bnx2x_credit_pool_get
;
3936 p
->put_entry
= bnx2x_credit_pool_put_entry
;
3937 p
->get_entry
= bnx2x_credit_pool_get_entry
;
3939 p
->put
= bnx2x_credit_pool_always_true
;
3940 p
->get
= bnx2x_credit_pool_always_true
;
3941 p
->put_entry
= bnx2x_credit_pool_put_entry_always_true
;
3942 p
->get_entry
= bnx2x_credit_pool_get_entry_always_true
;
3945 /* If base is negative - disable entries handling */
3947 p
->put_entry
= bnx2x_credit_pool_put_entry_always_true
;
3948 p
->get_entry
= bnx2x_credit_pool_get_entry_always_true
;
3952 void bnx2x_init_mac_credit_pool(struct bnx2x
*bp
,
3953 struct bnx2x_credit_pool_obj
*p
, u8 func_id
,
3956 /* TODO: this will be defined in consts as well... */
3957 #define BNX2X_CAM_SIZE_EMUL 5
3961 if (CHIP_IS_E1(bp
)) {
3962 /* In E1, Multicast is saved in cam... */
3963 if (!CHIP_REV_IS_SLOW(bp
))
3964 cam_sz
= (MAX_MAC_CREDIT_E1
/ 2) - BNX2X_MAX_MULTICAST
;
3966 cam_sz
= BNX2X_CAM_SIZE_EMUL
- BNX2X_MAX_EMUL_MULTI
;
3968 bnx2x_init_credit_pool(p
, func_id
* cam_sz
, cam_sz
);
3970 } else if (CHIP_IS_E1H(bp
)) {
3971 /* CAM credit is equaly divided between all active functions
3974 if ((func_num
> 0)) {
3975 if (!CHIP_REV_IS_SLOW(bp
))
3976 cam_sz
= (MAX_MAC_CREDIT_E1H
/ (2*func_num
));
3978 cam_sz
= BNX2X_CAM_SIZE_EMUL
;
3979 bnx2x_init_credit_pool(p
, func_id
* cam_sz
, cam_sz
);
3981 /* this should never happen! Block MAC operations. */
3982 bnx2x_init_credit_pool(p
, 0, 0);
3988 * CAM credit is equaly divided between all active functions
3991 if ((func_num
> 0)) {
3992 if (!CHIP_REV_IS_SLOW(bp
))
3993 cam_sz
= (MAX_MAC_CREDIT_E2
/ func_num
);
3995 cam_sz
= BNX2X_CAM_SIZE_EMUL
;
3998 * No need for CAM entries handling for 57712 and
4001 bnx2x_init_credit_pool(p
, -1, cam_sz
);
4003 /* this should never happen! Block MAC operations. */
4004 bnx2x_init_credit_pool(p
, 0, 0);
4010 void bnx2x_init_vlan_credit_pool(struct bnx2x
*bp
,
4011 struct bnx2x_credit_pool_obj
*p
,
4015 if (CHIP_IS_E1x(bp
)) {
4017 * There is no VLAN credit in HW on 57710 and 57711 only
4018 * MAC / MAC-VLAN can be set
4020 bnx2x_init_credit_pool(p
, 0, -1);
4023 * CAM credit is equaly divided between all active functions
4027 int credit
= MAX_VLAN_CREDIT_E2
/ func_num
;
4028 bnx2x_init_credit_pool(p
, func_id
* credit
, credit
);
4030 /* this should never happen! Block VLAN operations. */
4031 bnx2x_init_credit_pool(p
, 0, 0);
4035 /****************** RSS Configuration ******************/
4037 * bnx2x_debug_print_ind_table - prints the indirection table configuration.
4039 * @bp: driver hanlde
4040 * @p: pointer to rss configuration
4042 * Prints it when NETIF_MSG_IFUP debug level is configured.
4044 static inline void bnx2x_debug_print_ind_table(struct bnx2x
*bp
,
4045 struct bnx2x_config_rss_params
*p
)
4049 DP(BNX2X_MSG_SP
, "Setting indirection table to:\n");
4050 DP(BNX2X_MSG_SP
, "0x0000: ");
4051 for (i
= 0; i
< T_ETH_INDIRECTION_TABLE_SIZE
; i
++) {
4052 DP_CONT(BNX2X_MSG_SP
, "0x%02x ", p
->ind_table
[i
]);
4054 /* Print 4 bytes in a line */
4055 if ((i
+ 1 < T_ETH_INDIRECTION_TABLE_SIZE
) &&
4056 (((i
+ 1) & 0x3) == 0)) {
4057 DP_CONT(BNX2X_MSG_SP
, "\n");
4058 DP(BNX2X_MSG_SP
, "0x%04x: ", i
+ 1);
4062 DP_CONT(BNX2X_MSG_SP
, "\n");
4066 * bnx2x_setup_rss - configure RSS
4068 * @bp: device handle
4069 * @p: rss configuration
4071 * sends on UPDATE ramrod for that matter.
4073 static int bnx2x_setup_rss(struct bnx2x
*bp
,
4074 struct bnx2x_config_rss_params
*p
)
4076 struct bnx2x_rss_config_obj
*o
= p
->rss_obj
;
4077 struct bnx2x_raw_obj
*r
= &o
->raw
;
4078 struct eth_rss_update_ramrod_data
*data
=
4079 (struct eth_rss_update_ramrod_data
*)(r
->rdata
);
4083 memset(data
, 0, sizeof(*data
));
4085 DP(BNX2X_MSG_SP
, "Configuring RSS\n");
4087 /* Set an echo field */
4088 data
->echo
= (r
->cid
& BNX2X_SWCID_MASK
) |
4089 (r
->state
<< BNX2X_SWCID_SHIFT
);
4092 if (test_bit(BNX2X_RSS_MODE_DISABLED
, &p
->rss_flags
))
4093 rss_mode
= ETH_RSS_MODE_DISABLED
;
4094 else if (test_bit(BNX2X_RSS_MODE_REGULAR
, &p
->rss_flags
))
4095 rss_mode
= ETH_RSS_MODE_REGULAR
;
4097 data
->rss_mode
= rss_mode
;
4099 DP(BNX2X_MSG_SP
, "rss_mode=%d\n", rss_mode
);
4101 /* RSS capabilities */
4102 if (test_bit(BNX2X_RSS_IPV4
, &p
->rss_flags
))
4103 data
->capabilities
|=
4104 ETH_RSS_UPDATE_RAMROD_DATA_IPV4_CAPABILITY
;
4106 if (test_bit(BNX2X_RSS_IPV4_TCP
, &p
->rss_flags
))
4107 data
->capabilities
|=
4108 ETH_RSS_UPDATE_RAMROD_DATA_IPV4_TCP_CAPABILITY
;
4110 if (test_bit(BNX2X_RSS_IPV4_UDP
, &p
->rss_flags
))
4111 data
->capabilities
|=
4112 ETH_RSS_UPDATE_RAMROD_DATA_IPV4_UDP_CAPABILITY
;
4114 if (test_bit(BNX2X_RSS_IPV6
, &p
->rss_flags
))
4115 data
->capabilities
|=
4116 ETH_RSS_UPDATE_RAMROD_DATA_IPV6_CAPABILITY
;
4118 if (test_bit(BNX2X_RSS_IPV6_TCP
, &p
->rss_flags
))
4119 data
->capabilities
|=
4120 ETH_RSS_UPDATE_RAMROD_DATA_IPV6_TCP_CAPABILITY
;
4122 if (test_bit(BNX2X_RSS_IPV6_UDP
, &p
->rss_flags
))
4123 data
->capabilities
|=
4124 ETH_RSS_UPDATE_RAMROD_DATA_IPV6_UDP_CAPABILITY
;
4127 data
->rss_result_mask
= p
->rss_result_mask
;
4130 data
->rss_engine_id
= o
->engine_id
;
4132 DP(BNX2X_MSG_SP
, "rss_engine_id=%d\n", data
->rss_engine_id
);
4134 /* Indirection table */
4135 memcpy(data
->indirection_table
, p
->ind_table
,
4136 T_ETH_INDIRECTION_TABLE_SIZE
);
4138 /* Remember the last configuration */
4139 memcpy(o
->ind_table
, p
->ind_table
, T_ETH_INDIRECTION_TABLE_SIZE
);
4141 /* Print the indirection table */
4142 if (netif_msg_ifup(bp
))
4143 bnx2x_debug_print_ind_table(bp
, p
);
4146 if (test_bit(BNX2X_RSS_SET_SRCH
, &p
->rss_flags
)) {
4147 memcpy(&data
->rss_key
[0], &p
->rss_key
[0],
4148 sizeof(data
->rss_key
));
4149 data
->capabilities
|= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY
;
4153 * No need for an explicit memory barrier here as long we would
4154 * need to ensure the ordering of writing to the SPQ element
4155 * and updating of the SPQ producer which involves a memory
4156 * read and we will have to put a full memory barrier there
4157 * (inside bnx2x_sp_post()).
4161 rc
= bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_RSS_UPDATE
, r
->cid
,
4162 U64_HI(r
->rdata_mapping
),
4163 U64_LO(r
->rdata_mapping
),
4164 ETH_CONNECTION_TYPE
);
4172 void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj
*rss_obj
,
4175 memcpy(ind_table
, rss_obj
->ind_table
, sizeof(rss_obj
->ind_table
));
4178 int bnx2x_config_rss(struct bnx2x
*bp
,
4179 struct bnx2x_config_rss_params
*p
)
4182 struct bnx2x_rss_config_obj
*o
= p
->rss_obj
;
4183 struct bnx2x_raw_obj
*r
= &o
->raw
;
4185 /* Do nothing if only driver cleanup was requested */
4186 if (test_bit(RAMROD_DRV_CLR_ONLY
, &p
->ramrod_flags
))
4191 rc
= o
->config_rss(bp
, p
);
4193 r
->clear_pending(r
);
4197 if (test_bit(RAMROD_COMP_WAIT
, &p
->ramrod_flags
))
4198 rc
= r
->wait_comp(bp
, r
);
4204 void bnx2x_init_rss_config_obj(struct bnx2x
*bp
,
4205 struct bnx2x_rss_config_obj
*rss_obj
,
4206 u8 cl_id
, u32 cid
, u8 func_id
, u8 engine_id
,
4207 void *rdata
, dma_addr_t rdata_mapping
,
4208 int state
, unsigned long *pstate
,
4209 bnx2x_obj_type type
)
4211 bnx2x_init_raw_obj(&rss_obj
->raw
, cl_id
, cid
, func_id
, rdata
,
4212 rdata_mapping
, state
, pstate
, type
);
4214 rss_obj
->engine_id
= engine_id
;
4215 rss_obj
->config_rss
= bnx2x_setup_rss
;
4218 /********************** Queue state object ***********************************/
4221 * bnx2x_queue_state_change - perform Queue state change transition
4223 * @bp: device handle
4224 * @params: parameters to perform the transition
4226 * returns 0 in case of successfully completed transition, negative error
4227 * code in case of failure, positive (EBUSY) value if there is a completion
4228 * to that is still pending (possible only if RAMROD_COMP_WAIT is
4229 * not set in params->ramrod_flags for asynchronous commands).
4232 int bnx2x_queue_state_change(struct bnx2x
*bp
,
4233 struct bnx2x_queue_state_params
*params
)
4235 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4236 int rc
, pending_bit
;
4237 unsigned long *pending
= &o
->pending
;
4239 /* Check that the requested transition is legal */
4240 if (o
->check_transition(bp
, o
, params
))
4243 /* Set "pending" bit */
4244 pending_bit
= o
->set_pending(o
, params
);
4246 /* Don't send a command if only driver cleanup was requested */
4247 if (test_bit(RAMROD_DRV_CLR_ONLY
, ¶ms
->ramrod_flags
))
4248 o
->complete_cmd(bp
, o
, pending_bit
);
4251 rc
= o
->send_cmd(bp
, params
);
4253 o
->next_state
= BNX2X_Q_STATE_MAX
;
4254 clear_bit(pending_bit
, pending
);
4255 smp_mb__after_clear_bit();
4259 if (test_bit(RAMROD_COMP_WAIT
, ¶ms
->ramrod_flags
)) {
4260 rc
= o
->wait_comp(bp
, o
, pending_bit
);
4268 return !!test_bit(pending_bit
, pending
);
4272 static int bnx2x_queue_set_pending(struct bnx2x_queue_sp_obj
*obj
,
4273 struct bnx2x_queue_state_params
*params
)
4275 enum bnx2x_queue_cmd cmd
= params
->cmd
, bit
;
4277 /* ACTIVATE and DEACTIVATE commands are implemented on top of
4280 if ((cmd
== BNX2X_Q_CMD_ACTIVATE
) ||
4281 (cmd
== BNX2X_Q_CMD_DEACTIVATE
))
4282 bit
= BNX2X_Q_CMD_UPDATE
;
4286 set_bit(bit
, &obj
->pending
);
4290 static int bnx2x_queue_wait_comp(struct bnx2x
*bp
,
4291 struct bnx2x_queue_sp_obj
*o
,
4292 enum bnx2x_queue_cmd cmd
)
4294 return bnx2x_state_wait(bp
, cmd
, &o
->pending
);
4298 * bnx2x_queue_comp_cmd - complete the state change command.
4300 * @bp: device handle
4304 * Checks that the arrived completion is expected.
4306 static int bnx2x_queue_comp_cmd(struct bnx2x
*bp
,
4307 struct bnx2x_queue_sp_obj
*o
,
4308 enum bnx2x_queue_cmd cmd
)
4310 unsigned long cur_pending
= o
->pending
;
4312 if (!test_and_clear_bit(cmd
, &cur_pending
)) {
4313 BNX2X_ERR("Bad MC reply %d for queue %d in state %d pending 0x%lx, next_state %d\n",
4314 cmd
, o
->cids
[BNX2X_PRIMARY_CID_INDEX
],
4315 o
->state
, cur_pending
, o
->next_state
);
4319 if (o
->next_tx_only
>= o
->max_cos
)
4320 /* >= becuase tx only must always be smaller than cos since the
4321 * primary connection suports COS 0
4323 BNX2X_ERR("illegal value for next tx_only: %d. max cos was %d",
4324 o
->next_tx_only
, o
->max_cos
);
4327 "Completing command %d for queue %d, setting state to %d\n",
4328 cmd
, o
->cids
[BNX2X_PRIMARY_CID_INDEX
], o
->next_state
);
4330 if (o
->next_tx_only
) /* print num tx-only if any exist */
4331 DP(BNX2X_MSG_SP
, "primary cid %d: num tx-only cons %d\n",
4332 o
->cids
[BNX2X_PRIMARY_CID_INDEX
], o
->next_tx_only
);
4334 o
->state
= o
->next_state
;
4335 o
->num_tx_only
= o
->next_tx_only
;
4336 o
->next_state
= BNX2X_Q_STATE_MAX
;
4338 /* It's important that o->state and o->next_state are
4339 * updated before o->pending.
4343 clear_bit(cmd
, &o
->pending
);
4344 smp_mb__after_clear_bit();
4349 static void bnx2x_q_fill_setup_data_e2(struct bnx2x
*bp
,
4350 struct bnx2x_queue_state_params
*cmd_params
,
4351 struct client_init_ramrod_data
*data
)
4353 struct bnx2x_queue_setup_params
*params
= &cmd_params
->params
.setup
;
4357 /* IPv6 TPA supported for E2 and above only */
4358 data
->rx
.tpa_en
|= test_bit(BNX2X_Q_FLG_TPA_IPV6
, ¶ms
->flags
) *
4359 CLIENT_INIT_RX_DATA_TPA_EN_IPV6
;
4362 static void bnx2x_q_fill_init_general_data(struct bnx2x
*bp
,
4363 struct bnx2x_queue_sp_obj
*o
,
4364 struct bnx2x_general_setup_params
*params
,
4365 struct client_init_general_data
*gen_data
,
4366 unsigned long *flags
)
4368 gen_data
->client_id
= o
->cl_id
;
4370 if (test_bit(BNX2X_Q_FLG_STATS
, flags
)) {
4371 gen_data
->statistics_counter_id
=
4373 gen_data
->statistics_en_flg
= 1;
4374 gen_data
->statistics_zero_flg
=
4375 test_bit(BNX2X_Q_FLG_ZERO_STATS
, flags
);
4377 gen_data
->statistics_counter_id
=
4378 DISABLE_STATISTIC_COUNTER_ID_VALUE
;
4380 gen_data
->is_fcoe_flg
= test_bit(BNX2X_Q_FLG_FCOE
, flags
);
4381 gen_data
->activate_flg
= test_bit(BNX2X_Q_FLG_ACTIVE
, flags
);
4382 gen_data
->sp_client_id
= params
->spcl_id
;
4383 gen_data
->mtu
= cpu_to_le16(params
->mtu
);
4384 gen_data
->func_id
= o
->func_id
;
4387 gen_data
->cos
= params
->cos
;
4389 gen_data
->traffic_type
=
4390 test_bit(BNX2X_Q_FLG_FCOE
, flags
) ?
4391 LLFC_TRAFFIC_TYPE_FCOE
: LLFC_TRAFFIC_TYPE_NW
;
4393 DP(BNX2X_MSG_SP
, "flags: active %d, cos %d, stats en %d\n",
4394 gen_data
->activate_flg
, gen_data
->cos
, gen_data
->statistics_en_flg
);
4397 static void bnx2x_q_fill_init_tx_data(struct bnx2x_queue_sp_obj
*o
,
4398 struct bnx2x_txq_setup_params
*params
,
4399 struct client_init_tx_data
*tx_data
,
4400 unsigned long *flags
)
4402 tx_data
->enforce_security_flg
=
4403 test_bit(BNX2X_Q_FLG_TX_SEC
, flags
);
4404 tx_data
->default_vlan
=
4405 cpu_to_le16(params
->default_vlan
);
4406 tx_data
->default_vlan_flg
=
4407 test_bit(BNX2X_Q_FLG_DEF_VLAN
, flags
);
4408 tx_data
->tx_switching_flg
=
4409 test_bit(BNX2X_Q_FLG_TX_SWITCH
, flags
);
4410 tx_data
->anti_spoofing_flg
=
4411 test_bit(BNX2X_Q_FLG_ANTI_SPOOF
, flags
);
4412 tx_data
->force_default_pri_flg
=
4413 test_bit(BNX2X_Q_FLG_FORCE_DEFAULT_PRI
, flags
);
4415 tx_data
->tx_status_block_id
= params
->fw_sb_id
;
4416 tx_data
->tx_sb_index_number
= params
->sb_cq_index
;
4417 tx_data
->tss_leading_client_id
= params
->tss_leading_cl_id
;
4419 tx_data
->tx_bd_page_base
.lo
=
4420 cpu_to_le32(U64_LO(params
->dscr_map
));
4421 tx_data
->tx_bd_page_base
.hi
=
4422 cpu_to_le32(U64_HI(params
->dscr_map
));
4424 /* Don't configure any Tx switching mode during queue SETUP */
4428 static void bnx2x_q_fill_init_pause_data(struct bnx2x_queue_sp_obj
*o
,
4429 struct rxq_pause_params
*params
,
4430 struct client_init_rx_data
*rx_data
)
4432 /* flow control data */
4433 rx_data
->cqe_pause_thr_low
= cpu_to_le16(params
->rcq_th_lo
);
4434 rx_data
->cqe_pause_thr_high
= cpu_to_le16(params
->rcq_th_hi
);
4435 rx_data
->bd_pause_thr_low
= cpu_to_le16(params
->bd_th_lo
);
4436 rx_data
->bd_pause_thr_high
= cpu_to_le16(params
->bd_th_hi
);
4437 rx_data
->sge_pause_thr_low
= cpu_to_le16(params
->sge_th_lo
);
4438 rx_data
->sge_pause_thr_high
= cpu_to_le16(params
->sge_th_hi
);
4439 rx_data
->rx_cos_mask
= cpu_to_le16(params
->pri_map
);
4442 static void bnx2x_q_fill_init_rx_data(struct bnx2x_queue_sp_obj
*o
,
4443 struct bnx2x_rxq_setup_params
*params
,
4444 struct client_init_rx_data
*rx_data
,
4445 unsigned long *flags
)
4447 rx_data
->tpa_en
= test_bit(BNX2X_Q_FLG_TPA
, flags
) *
4448 CLIENT_INIT_RX_DATA_TPA_EN_IPV4
;
4449 rx_data
->tpa_en
|= test_bit(BNX2X_Q_FLG_TPA_GRO
, flags
) *
4450 CLIENT_INIT_RX_DATA_TPA_MODE
;
4451 rx_data
->vmqueue_mode_en_flg
= 0;
4453 rx_data
->cache_line_alignment_log_size
=
4454 params
->cache_line_log
;
4455 rx_data
->enable_dynamic_hc
=
4456 test_bit(BNX2X_Q_FLG_DHC
, flags
);
4457 rx_data
->max_sges_for_packet
= params
->max_sges_pkt
;
4458 rx_data
->client_qzone_id
= params
->cl_qzone_id
;
4459 rx_data
->max_agg_size
= cpu_to_le16(params
->tpa_agg_sz
);
4461 /* Always start in DROP_ALL mode */
4462 rx_data
->state
= cpu_to_le16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL
|
4463 CLIENT_INIT_RX_DATA_MCAST_DROP_ALL
);
4465 /* We don't set drop flags */
4466 rx_data
->drop_ip_cs_err_flg
= 0;
4467 rx_data
->drop_tcp_cs_err_flg
= 0;
4468 rx_data
->drop_ttl0_flg
= 0;
4469 rx_data
->drop_udp_cs_err_flg
= 0;
4470 rx_data
->inner_vlan_removal_enable_flg
=
4471 test_bit(BNX2X_Q_FLG_VLAN
, flags
);
4472 rx_data
->outer_vlan_removal_enable_flg
=
4473 test_bit(BNX2X_Q_FLG_OV
, flags
);
4474 rx_data
->status_block_id
= params
->fw_sb_id
;
4475 rx_data
->rx_sb_index_number
= params
->sb_cq_index
;
4476 rx_data
->max_tpa_queues
= params
->max_tpa_queues
;
4477 rx_data
->max_bytes_on_bd
= cpu_to_le16(params
->buf_sz
);
4478 rx_data
->sge_buff_size
= cpu_to_le16(params
->sge_buf_sz
);
4479 rx_data
->bd_page_base
.lo
=
4480 cpu_to_le32(U64_LO(params
->dscr_map
));
4481 rx_data
->bd_page_base
.hi
=
4482 cpu_to_le32(U64_HI(params
->dscr_map
));
4483 rx_data
->sge_page_base
.lo
=
4484 cpu_to_le32(U64_LO(params
->sge_map
));
4485 rx_data
->sge_page_base
.hi
=
4486 cpu_to_le32(U64_HI(params
->sge_map
));
4487 rx_data
->cqe_page_base
.lo
=
4488 cpu_to_le32(U64_LO(params
->rcq_map
));
4489 rx_data
->cqe_page_base
.hi
=
4490 cpu_to_le32(U64_HI(params
->rcq_map
));
4491 rx_data
->is_leading_rss
= test_bit(BNX2X_Q_FLG_LEADING_RSS
, flags
);
4493 if (test_bit(BNX2X_Q_FLG_MCAST
, flags
)) {
4494 rx_data
->approx_mcast_engine_id
= params
->mcast_engine_id
;
4495 rx_data
->is_approx_mcast
= 1;
4498 rx_data
->rss_engine_id
= params
->rss_engine_id
;
4500 /* silent vlan removal */
4501 rx_data
->silent_vlan_removal_flg
=
4502 test_bit(BNX2X_Q_FLG_SILENT_VLAN_REM
, flags
);
4503 rx_data
->silent_vlan_value
=
4504 cpu_to_le16(params
->silent_removal_value
);
4505 rx_data
->silent_vlan_mask
=
4506 cpu_to_le16(params
->silent_removal_mask
);
4510 /* initialize the general, tx and rx parts of a queue object */
4511 static void bnx2x_q_fill_setup_data_cmn(struct bnx2x
*bp
,
4512 struct bnx2x_queue_state_params
*cmd_params
,
4513 struct client_init_ramrod_data
*data
)
4515 bnx2x_q_fill_init_general_data(bp
, cmd_params
->q_obj
,
4516 &cmd_params
->params
.setup
.gen_params
,
4518 &cmd_params
->params
.setup
.flags
);
4520 bnx2x_q_fill_init_tx_data(cmd_params
->q_obj
,
4521 &cmd_params
->params
.setup
.txq_params
,
4523 &cmd_params
->params
.setup
.flags
);
4525 bnx2x_q_fill_init_rx_data(cmd_params
->q_obj
,
4526 &cmd_params
->params
.setup
.rxq_params
,
4528 &cmd_params
->params
.setup
.flags
);
4530 bnx2x_q_fill_init_pause_data(cmd_params
->q_obj
,
4531 &cmd_params
->params
.setup
.pause_params
,
4535 /* initialize the general and tx parts of a tx-only queue object */
4536 static void bnx2x_q_fill_setup_tx_only(struct bnx2x
*bp
,
4537 struct bnx2x_queue_state_params
*cmd_params
,
4538 struct tx_queue_init_ramrod_data
*data
)
4540 bnx2x_q_fill_init_general_data(bp
, cmd_params
->q_obj
,
4541 &cmd_params
->params
.tx_only
.gen_params
,
4543 &cmd_params
->params
.tx_only
.flags
);
4545 bnx2x_q_fill_init_tx_data(cmd_params
->q_obj
,
4546 &cmd_params
->params
.tx_only
.txq_params
,
4548 &cmd_params
->params
.tx_only
.flags
);
4550 DP(BNX2X_MSG_SP
, "cid %d, tx bd page lo %x hi %x",
4551 cmd_params
->q_obj
->cids
[0],
4552 data
->tx
.tx_bd_page_base
.lo
,
4553 data
->tx
.tx_bd_page_base
.hi
);
4557 * bnx2x_q_init - init HW/FW queue
4559 * @bp: device handle
4562 * HW/FW initial Queue configuration:
4564 * - CDU context validation
4567 static inline int bnx2x_q_init(struct bnx2x
*bp
,
4568 struct bnx2x_queue_state_params
*params
)
4570 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4571 struct bnx2x_queue_init_params
*init
= ¶ms
->params
.init
;
4575 /* Tx HC configuration */
4576 if (test_bit(BNX2X_Q_TYPE_HAS_TX
, &o
->type
) &&
4577 test_bit(BNX2X_Q_FLG_HC
, &init
->tx
.flags
)) {
4578 hc_usec
= init
->tx
.hc_rate
? 1000000 / init
->tx
.hc_rate
: 0;
4580 bnx2x_update_coalesce_sb_index(bp
, init
->tx
.fw_sb_id
,
4581 init
->tx
.sb_cq_index
,
4582 !test_bit(BNX2X_Q_FLG_HC_EN
, &init
->tx
.flags
),
4586 /* Rx HC configuration */
4587 if (test_bit(BNX2X_Q_TYPE_HAS_RX
, &o
->type
) &&
4588 test_bit(BNX2X_Q_FLG_HC
, &init
->rx
.flags
)) {
4589 hc_usec
= init
->rx
.hc_rate
? 1000000 / init
->rx
.hc_rate
: 0;
4591 bnx2x_update_coalesce_sb_index(bp
, init
->rx
.fw_sb_id
,
4592 init
->rx
.sb_cq_index
,
4593 !test_bit(BNX2X_Q_FLG_HC_EN
, &init
->rx
.flags
),
4597 /* Set CDU context validation values */
4598 for (cos
= 0; cos
< o
->max_cos
; cos
++) {
4599 DP(BNX2X_MSG_SP
, "setting context validation. cid %d, cos %d\n",
4601 DP(BNX2X_MSG_SP
, "context pointer %p\n", init
->cxts
[cos
]);
4602 bnx2x_set_ctx_validation(bp
, init
->cxts
[cos
], o
->cids
[cos
]);
4605 /* As no ramrod is sent, complete the command immediately */
4606 o
->complete_cmd(bp
, o
, BNX2X_Q_CMD_INIT
);
4614 static inline int bnx2x_q_send_setup_e1x(struct bnx2x
*bp
,
4615 struct bnx2x_queue_state_params
*params
)
4617 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4618 struct client_init_ramrod_data
*rdata
=
4619 (struct client_init_ramrod_data
*)o
->rdata
;
4620 dma_addr_t data_mapping
= o
->rdata_mapping
;
4621 int ramrod
= RAMROD_CMD_ID_ETH_CLIENT_SETUP
;
4623 /* Clear the ramrod data */
4624 memset(rdata
, 0, sizeof(*rdata
));
4626 /* Fill the ramrod data */
4627 bnx2x_q_fill_setup_data_cmn(bp
, params
, rdata
);
4630 * No need for an explicit memory barrier here as long we would
4631 * need to ensure the ordering of writing to the SPQ element
4632 * and updating of the SPQ producer which involves a memory
4633 * read and we will have to put a full memory barrier there
4634 * (inside bnx2x_sp_post()).
4637 return bnx2x_sp_post(bp
, ramrod
, o
->cids
[BNX2X_PRIMARY_CID_INDEX
],
4638 U64_HI(data_mapping
),
4639 U64_LO(data_mapping
), ETH_CONNECTION_TYPE
);
4642 static inline int bnx2x_q_send_setup_e2(struct bnx2x
*bp
,
4643 struct bnx2x_queue_state_params
*params
)
4645 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4646 struct client_init_ramrod_data
*rdata
=
4647 (struct client_init_ramrod_data
*)o
->rdata
;
4648 dma_addr_t data_mapping
= o
->rdata_mapping
;
4649 int ramrod
= RAMROD_CMD_ID_ETH_CLIENT_SETUP
;
4651 /* Clear the ramrod data */
4652 memset(rdata
, 0, sizeof(*rdata
));
4654 /* Fill the ramrod data */
4655 bnx2x_q_fill_setup_data_cmn(bp
, params
, rdata
);
4656 bnx2x_q_fill_setup_data_e2(bp
, params
, rdata
);
4659 * No need for an explicit memory barrier here as long we would
4660 * need to ensure the ordering of writing to the SPQ element
4661 * and updating of the SPQ producer which involves a memory
4662 * read and we will have to put a full memory barrier there
4663 * (inside bnx2x_sp_post()).
4666 return bnx2x_sp_post(bp
, ramrod
, o
->cids
[BNX2X_PRIMARY_CID_INDEX
],
4667 U64_HI(data_mapping
),
4668 U64_LO(data_mapping
), ETH_CONNECTION_TYPE
);
4671 static inline int bnx2x_q_send_setup_tx_only(struct bnx2x
*bp
,
4672 struct bnx2x_queue_state_params
*params
)
4674 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4675 struct tx_queue_init_ramrod_data
*rdata
=
4676 (struct tx_queue_init_ramrod_data
*)o
->rdata
;
4677 dma_addr_t data_mapping
= o
->rdata_mapping
;
4678 int ramrod
= RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP
;
4679 struct bnx2x_queue_setup_tx_only_params
*tx_only_params
=
4680 ¶ms
->params
.tx_only
;
4681 u8 cid_index
= tx_only_params
->cid_index
;
4684 if (cid_index
>= o
->max_cos
) {
4685 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4686 o
->cl_id
, cid_index
);
4690 DP(BNX2X_MSG_SP
, "parameters received: cos: %d sp-id: %d\n",
4691 tx_only_params
->gen_params
.cos
,
4692 tx_only_params
->gen_params
.spcl_id
);
4694 /* Clear the ramrod data */
4695 memset(rdata
, 0, sizeof(*rdata
));
4697 /* Fill the ramrod data */
4698 bnx2x_q_fill_setup_tx_only(bp
, params
, rdata
);
4700 DP(BNX2X_MSG_SP
, "sending tx-only ramrod: cid %d, client-id %d, sp-client id %d, cos %d\n",
4701 o
->cids
[cid_index
], rdata
->general
.client_id
,
4702 rdata
->general
.sp_client_id
, rdata
->general
.cos
);
4705 * No need for an explicit memory barrier here as long we would
4706 * need to ensure the ordering of writing to the SPQ element
4707 * and updating of the SPQ producer which involves a memory
4708 * read and we will have to put a full memory barrier there
4709 * (inside bnx2x_sp_post()).
4712 return bnx2x_sp_post(bp
, ramrod
, o
->cids
[cid_index
],
4713 U64_HI(data_mapping
),
4714 U64_LO(data_mapping
), ETH_CONNECTION_TYPE
);
4717 static void bnx2x_q_fill_update_data(struct bnx2x
*bp
,
4718 struct bnx2x_queue_sp_obj
*obj
,
4719 struct bnx2x_queue_update_params
*params
,
4720 struct client_update_ramrod_data
*data
)
4722 /* Client ID of the client to update */
4723 data
->client_id
= obj
->cl_id
;
4725 /* Function ID of the client to update */
4726 data
->func_id
= obj
->func_id
;
4728 /* Default VLAN value */
4729 data
->default_vlan
= cpu_to_le16(params
->def_vlan
);
4731 /* Inner VLAN stripping */
4732 data
->inner_vlan_removal_enable_flg
=
4733 test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM
, ¶ms
->update_flags
);
4734 data
->inner_vlan_removal_change_flg
=
4735 test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM_CHNG
,
4736 ¶ms
->update_flags
);
4738 /* Outer VLAN sripping */
4739 data
->outer_vlan_removal_enable_flg
=
4740 test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM
, ¶ms
->update_flags
);
4741 data
->outer_vlan_removal_change_flg
=
4742 test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM_CHNG
,
4743 ¶ms
->update_flags
);
4745 /* Drop packets that have source MAC that doesn't belong to this
4748 data
->anti_spoofing_enable_flg
=
4749 test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF
, ¶ms
->update_flags
);
4750 data
->anti_spoofing_change_flg
=
4751 test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF_CHNG
, ¶ms
->update_flags
);
4753 /* Activate/Deactivate */
4754 data
->activate_flg
=
4755 test_bit(BNX2X_Q_UPDATE_ACTIVATE
, ¶ms
->update_flags
);
4756 data
->activate_change_flg
=
4757 test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG
, ¶ms
->update_flags
);
4759 /* Enable default VLAN */
4760 data
->default_vlan_enable_flg
=
4761 test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN
, ¶ms
->update_flags
);
4762 data
->default_vlan_change_flg
=
4763 test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG
,
4764 ¶ms
->update_flags
);
4766 /* silent vlan removal */
4767 data
->silent_vlan_change_flg
=
4768 test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG
,
4769 ¶ms
->update_flags
);
4770 data
->silent_vlan_removal_flg
=
4771 test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM
, ¶ms
->update_flags
);
4772 data
->silent_vlan_value
= cpu_to_le16(params
->silent_removal_value
);
4773 data
->silent_vlan_mask
= cpu_to_le16(params
->silent_removal_mask
);
4776 static inline int bnx2x_q_send_update(struct bnx2x
*bp
,
4777 struct bnx2x_queue_state_params
*params
)
4779 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4780 struct client_update_ramrod_data
*rdata
=
4781 (struct client_update_ramrod_data
*)o
->rdata
;
4782 dma_addr_t data_mapping
= o
->rdata_mapping
;
4783 struct bnx2x_queue_update_params
*update_params
=
4784 ¶ms
->params
.update
;
4785 u8 cid_index
= update_params
->cid_index
;
4787 if (cid_index
>= o
->max_cos
) {
4788 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4789 o
->cl_id
, cid_index
);
4794 /* Clear the ramrod data */
4795 memset(rdata
, 0, sizeof(*rdata
));
4797 /* Fill the ramrod data */
4798 bnx2x_q_fill_update_data(bp
, o
, update_params
, rdata
);
4801 * No need for an explicit memory barrier here as long we would
4802 * need to ensure the ordering of writing to the SPQ element
4803 * and updating of the SPQ producer which involves a memory
4804 * read and we will have to put a full memory barrier there
4805 * (inside bnx2x_sp_post()).
4808 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_CLIENT_UPDATE
,
4809 o
->cids
[cid_index
], U64_HI(data_mapping
),
4810 U64_LO(data_mapping
), ETH_CONNECTION_TYPE
);
4814 * bnx2x_q_send_deactivate - send DEACTIVATE command
4816 * @bp: device handle
4819 * implemented using the UPDATE command.
4821 static inline int bnx2x_q_send_deactivate(struct bnx2x
*bp
,
4822 struct bnx2x_queue_state_params
*params
)
4824 struct bnx2x_queue_update_params
*update
= ¶ms
->params
.update
;
4826 memset(update
, 0, sizeof(*update
));
4828 __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG
, &update
->update_flags
);
4830 return bnx2x_q_send_update(bp
, params
);
4834 * bnx2x_q_send_activate - send ACTIVATE command
4836 * @bp: device handle
4839 * implemented using the UPDATE command.
4841 static inline int bnx2x_q_send_activate(struct bnx2x
*bp
,
4842 struct bnx2x_queue_state_params
*params
)
4844 struct bnx2x_queue_update_params
*update
= ¶ms
->params
.update
;
4846 memset(update
, 0, sizeof(*update
));
4848 __set_bit(BNX2X_Q_UPDATE_ACTIVATE
, &update
->update_flags
);
4849 __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG
, &update
->update_flags
);
4851 return bnx2x_q_send_update(bp
, params
);
4854 static inline int bnx2x_q_send_update_tpa(struct bnx2x
*bp
,
4855 struct bnx2x_queue_state_params
*params
)
4857 /* TODO: Not implemented yet. */
4861 static inline int bnx2x_q_send_halt(struct bnx2x
*bp
,
4862 struct bnx2x_queue_state_params
*params
)
4864 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4866 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_HALT
,
4867 o
->cids
[BNX2X_PRIMARY_CID_INDEX
], 0, o
->cl_id
,
4868 ETH_CONNECTION_TYPE
);
4871 static inline int bnx2x_q_send_cfc_del(struct bnx2x
*bp
,
4872 struct bnx2x_queue_state_params
*params
)
4874 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4875 u8 cid_idx
= params
->params
.cfc_del
.cid_index
;
4877 if (cid_idx
>= o
->max_cos
) {
4878 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4883 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_COMMON_CFC_DEL
,
4884 o
->cids
[cid_idx
], 0, 0, NONE_CONNECTION_TYPE
);
4887 static inline int bnx2x_q_send_terminate(struct bnx2x
*bp
,
4888 struct bnx2x_queue_state_params
*params
)
4890 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4891 u8 cid_index
= params
->params
.terminate
.cid_index
;
4893 if (cid_index
>= o
->max_cos
) {
4894 BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
4895 o
->cl_id
, cid_index
);
4899 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_TERMINATE
,
4900 o
->cids
[cid_index
], 0, 0, ETH_CONNECTION_TYPE
);
4903 static inline int bnx2x_q_send_empty(struct bnx2x
*bp
,
4904 struct bnx2x_queue_state_params
*params
)
4906 struct bnx2x_queue_sp_obj
*o
= params
->q_obj
;
4908 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_ETH_EMPTY
,
4909 o
->cids
[BNX2X_PRIMARY_CID_INDEX
], 0, 0,
4910 ETH_CONNECTION_TYPE
);
4913 static inline int bnx2x_queue_send_cmd_cmn(struct bnx2x
*bp
,
4914 struct bnx2x_queue_state_params
*params
)
4916 switch (params
->cmd
) {
4917 case BNX2X_Q_CMD_INIT
:
4918 return bnx2x_q_init(bp
, params
);
4919 case BNX2X_Q_CMD_SETUP_TX_ONLY
:
4920 return bnx2x_q_send_setup_tx_only(bp
, params
);
4921 case BNX2X_Q_CMD_DEACTIVATE
:
4922 return bnx2x_q_send_deactivate(bp
, params
);
4923 case BNX2X_Q_CMD_ACTIVATE
:
4924 return bnx2x_q_send_activate(bp
, params
);
4925 case BNX2X_Q_CMD_UPDATE
:
4926 return bnx2x_q_send_update(bp
, params
);
4927 case BNX2X_Q_CMD_UPDATE_TPA
:
4928 return bnx2x_q_send_update_tpa(bp
, params
);
4929 case BNX2X_Q_CMD_HALT
:
4930 return bnx2x_q_send_halt(bp
, params
);
4931 case BNX2X_Q_CMD_CFC_DEL
:
4932 return bnx2x_q_send_cfc_del(bp
, params
);
4933 case BNX2X_Q_CMD_TERMINATE
:
4934 return bnx2x_q_send_terminate(bp
, params
);
4935 case BNX2X_Q_CMD_EMPTY
:
4936 return bnx2x_q_send_empty(bp
, params
);
4938 BNX2X_ERR("Unknown command: %d\n", params
->cmd
);
4943 static int bnx2x_queue_send_cmd_e1x(struct bnx2x
*bp
,
4944 struct bnx2x_queue_state_params
*params
)
4946 switch (params
->cmd
) {
4947 case BNX2X_Q_CMD_SETUP
:
4948 return bnx2x_q_send_setup_e1x(bp
, params
);
4949 case BNX2X_Q_CMD_INIT
:
4950 case BNX2X_Q_CMD_SETUP_TX_ONLY
:
4951 case BNX2X_Q_CMD_DEACTIVATE
:
4952 case BNX2X_Q_CMD_ACTIVATE
:
4953 case BNX2X_Q_CMD_UPDATE
:
4954 case BNX2X_Q_CMD_UPDATE_TPA
:
4955 case BNX2X_Q_CMD_HALT
:
4956 case BNX2X_Q_CMD_CFC_DEL
:
4957 case BNX2X_Q_CMD_TERMINATE
:
4958 case BNX2X_Q_CMD_EMPTY
:
4959 return bnx2x_queue_send_cmd_cmn(bp
, params
);
4961 BNX2X_ERR("Unknown command: %d\n", params
->cmd
);
4966 static int bnx2x_queue_send_cmd_e2(struct bnx2x
*bp
,
4967 struct bnx2x_queue_state_params
*params
)
4969 switch (params
->cmd
) {
4970 case BNX2X_Q_CMD_SETUP
:
4971 return bnx2x_q_send_setup_e2(bp
, params
);
4972 case BNX2X_Q_CMD_INIT
:
4973 case BNX2X_Q_CMD_SETUP_TX_ONLY
:
4974 case BNX2X_Q_CMD_DEACTIVATE
:
4975 case BNX2X_Q_CMD_ACTIVATE
:
4976 case BNX2X_Q_CMD_UPDATE
:
4977 case BNX2X_Q_CMD_UPDATE_TPA
:
4978 case BNX2X_Q_CMD_HALT
:
4979 case BNX2X_Q_CMD_CFC_DEL
:
4980 case BNX2X_Q_CMD_TERMINATE
:
4981 case BNX2X_Q_CMD_EMPTY
:
4982 return bnx2x_queue_send_cmd_cmn(bp
, params
);
4984 BNX2X_ERR("Unknown command: %d\n", params
->cmd
);
4990 * bnx2x_queue_chk_transition - check state machine of a regular Queue
4992 * @bp: device handle
4997 * It both checks if the requested command is legal in a current
4998 * state and, if it's legal, sets a `next_state' in the object
4999 * that will be used in the completion flow to set the `state'
5002 * returns 0 if a requested command is a legal transition,
5003 * -EINVAL otherwise.
5005 static int bnx2x_queue_chk_transition(struct bnx2x
*bp
,
5006 struct bnx2x_queue_sp_obj
*o
,
5007 struct bnx2x_queue_state_params
*params
)
5009 enum bnx2x_q_state state
= o
->state
, next_state
= BNX2X_Q_STATE_MAX
;
5010 enum bnx2x_queue_cmd cmd
= params
->cmd
;
5011 struct bnx2x_queue_update_params
*update_params
=
5012 ¶ms
->params
.update
;
5013 u8 next_tx_only
= o
->num_tx_only
;
5016 * Forget all pending for completion commands if a driver only state
5017 * transition has been requested.
5019 if (test_bit(RAMROD_DRV_CLR_ONLY
, ¶ms
->ramrod_flags
)) {
5021 o
->next_state
= BNX2X_Q_STATE_MAX
;
5025 * Don't allow a next state transition if we are in the middle of
5032 case BNX2X_Q_STATE_RESET
:
5033 if (cmd
== BNX2X_Q_CMD_INIT
)
5034 next_state
= BNX2X_Q_STATE_INITIALIZED
;
5037 case BNX2X_Q_STATE_INITIALIZED
:
5038 if (cmd
== BNX2X_Q_CMD_SETUP
) {
5039 if (test_bit(BNX2X_Q_FLG_ACTIVE
,
5040 ¶ms
->params
.setup
.flags
))
5041 next_state
= BNX2X_Q_STATE_ACTIVE
;
5043 next_state
= BNX2X_Q_STATE_INACTIVE
;
5047 case BNX2X_Q_STATE_ACTIVE
:
5048 if (cmd
== BNX2X_Q_CMD_DEACTIVATE
)
5049 next_state
= BNX2X_Q_STATE_INACTIVE
;
5051 else if ((cmd
== BNX2X_Q_CMD_EMPTY
) ||
5052 (cmd
== BNX2X_Q_CMD_UPDATE_TPA
))
5053 next_state
= BNX2X_Q_STATE_ACTIVE
;
5055 else if (cmd
== BNX2X_Q_CMD_SETUP_TX_ONLY
) {
5056 next_state
= BNX2X_Q_STATE_MULTI_COS
;
5060 else if (cmd
== BNX2X_Q_CMD_HALT
)
5061 next_state
= BNX2X_Q_STATE_STOPPED
;
5063 else if (cmd
== BNX2X_Q_CMD_UPDATE
) {
5064 /* If "active" state change is requested, update the
5065 * state accordingly.
5067 if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG
,
5068 &update_params
->update_flags
) &&
5069 !test_bit(BNX2X_Q_UPDATE_ACTIVATE
,
5070 &update_params
->update_flags
))
5071 next_state
= BNX2X_Q_STATE_INACTIVE
;
5073 next_state
= BNX2X_Q_STATE_ACTIVE
;
5077 case BNX2X_Q_STATE_MULTI_COS
:
5078 if (cmd
== BNX2X_Q_CMD_TERMINATE
)
5079 next_state
= BNX2X_Q_STATE_MCOS_TERMINATED
;
5081 else if (cmd
== BNX2X_Q_CMD_SETUP_TX_ONLY
) {
5082 next_state
= BNX2X_Q_STATE_MULTI_COS
;
5083 next_tx_only
= o
->num_tx_only
+ 1;
5086 else if ((cmd
== BNX2X_Q_CMD_EMPTY
) ||
5087 (cmd
== BNX2X_Q_CMD_UPDATE_TPA
))
5088 next_state
= BNX2X_Q_STATE_MULTI_COS
;
5090 else if (cmd
== BNX2X_Q_CMD_UPDATE
) {
5091 /* If "active" state change is requested, update the
5092 * state accordingly.
5094 if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG
,
5095 &update_params
->update_flags
) &&
5096 !test_bit(BNX2X_Q_UPDATE_ACTIVATE
,
5097 &update_params
->update_flags
))
5098 next_state
= BNX2X_Q_STATE_INACTIVE
;
5100 next_state
= BNX2X_Q_STATE_MULTI_COS
;
5104 case BNX2X_Q_STATE_MCOS_TERMINATED
:
5105 if (cmd
== BNX2X_Q_CMD_CFC_DEL
) {
5106 next_tx_only
= o
->num_tx_only
- 1;
5107 if (next_tx_only
== 0)
5108 next_state
= BNX2X_Q_STATE_ACTIVE
;
5110 next_state
= BNX2X_Q_STATE_MULTI_COS
;
5114 case BNX2X_Q_STATE_INACTIVE
:
5115 if (cmd
== BNX2X_Q_CMD_ACTIVATE
)
5116 next_state
= BNX2X_Q_STATE_ACTIVE
;
5118 else if ((cmd
== BNX2X_Q_CMD_EMPTY
) ||
5119 (cmd
== BNX2X_Q_CMD_UPDATE_TPA
))
5120 next_state
= BNX2X_Q_STATE_INACTIVE
;
5122 else if (cmd
== BNX2X_Q_CMD_HALT
)
5123 next_state
= BNX2X_Q_STATE_STOPPED
;
5125 else if (cmd
== BNX2X_Q_CMD_UPDATE
) {
5126 /* If "active" state change is requested, update the
5127 * state accordingly.
5129 if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG
,
5130 &update_params
->update_flags
) &&
5131 test_bit(BNX2X_Q_UPDATE_ACTIVATE
,
5132 &update_params
->update_flags
)){
5133 if (o
->num_tx_only
== 0)
5134 next_state
= BNX2X_Q_STATE_ACTIVE
;
5135 else /* tx only queues exist for this queue */
5136 next_state
= BNX2X_Q_STATE_MULTI_COS
;
5138 next_state
= BNX2X_Q_STATE_INACTIVE
;
5142 case BNX2X_Q_STATE_STOPPED
:
5143 if (cmd
== BNX2X_Q_CMD_TERMINATE
)
5144 next_state
= BNX2X_Q_STATE_TERMINATED
;
5147 case BNX2X_Q_STATE_TERMINATED
:
5148 if (cmd
== BNX2X_Q_CMD_CFC_DEL
)
5149 next_state
= BNX2X_Q_STATE_RESET
;
5153 BNX2X_ERR("Illegal state: %d\n", state
);
5156 /* Transition is assured */
5157 if (next_state
!= BNX2X_Q_STATE_MAX
) {
5158 DP(BNX2X_MSG_SP
, "Good state transition: %d(%d)->%d\n",
5159 state
, cmd
, next_state
);
5160 o
->next_state
= next_state
;
5161 o
->next_tx_only
= next_tx_only
;
5165 DP(BNX2X_MSG_SP
, "Bad state transition request: %d %d\n", state
, cmd
);
5170 void bnx2x_init_queue_obj(struct bnx2x
*bp
,
5171 struct bnx2x_queue_sp_obj
*obj
,
5172 u8 cl_id
, u32
*cids
, u8 cid_cnt
, u8 func_id
,
5174 dma_addr_t rdata_mapping
, unsigned long type
)
5176 memset(obj
, 0, sizeof(*obj
));
5178 /* We support only BNX2X_MULTI_TX_COS Tx CoS at the moment */
5179 BUG_ON(BNX2X_MULTI_TX_COS
< cid_cnt
);
5181 memcpy(obj
->cids
, cids
, sizeof(obj
->cids
[0]) * cid_cnt
);
5182 obj
->max_cos
= cid_cnt
;
5184 obj
->func_id
= func_id
;
5186 obj
->rdata_mapping
= rdata_mapping
;
5188 obj
->next_state
= BNX2X_Q_STATE_MAX
;
5190 if (CHIP_IS_E1x(bp
))
5191 obj
->send_cmd
= bnx2x_queue_send_cmd_e1x
;
5193 obj
->send_cmd
= bnx2x_queue_send_cmd_e2
;
5195 obj
->check_transition
= bnx2x_queue_chk_transition
;
5197 obj
->complete_cmd
= bnx2x_queue_comp_cmd
;
5198 obj
->wait_comp
= bnx2x_queue_wait_comp
;
5199 obj
->set_pending
= bnx2x_queue_set_pending
;
5202 /********************** Function state object *********************************/
5203 enum bnx2x_func_state
bnx2x_func_get_state(struct bnx2x
*bp
,
5204 struct bnx2x_func_sp_obj
*o
)
5206 /* in the middle of transaction - return INVALID state */
5208 return BNX2X_F_STATE_MAX
;
5211 * unsure the order of reading of o->pending and o->state
5212 * o->pending should be read first
5219 static int bnx2x_func_wait_comp(struct bnx2x
*bp
,
5220 struct bnx2x_func_sp_obj
*o
,
5221 enum bnx2x_func_cmd cmd
)
5223 return bnx2x_state_wait(bp
, cmd
, &o
->pending
);
5227 * bnx2x_func_state_change_comp - complete the state machine transition
5229 * @bp: device handle
5233 * Called on state change transition. Completes the state
5234 * machine transition only - no HW interaction.
5236 static inline int bnx2x_func_state_change_comp(struct bnx2x
*bp
,
5237 struct bnx2x_func_sp_obj
*o
,
5238 enum bnx2x_func_cmd cmd
)
5240 unsigned long cur_pending
= o
->pending
;
5242 if (!test_and_clear_bit(cmd
, &cur_pending
)) {
5243 BNX2X_ERR("Bad MC reply %d for func %d in state %d pending 0x%lx, next_state %d\n",
5244 cmd
, BP_FUNC(bp
), o
->state
,
5245 cur_pending
, o
->next_state
);
5250 "Completing command %d for func %d, setting state to %d\n",
5251 cmd
, BP_FUNC(bp
), o
->next_state
);
5253 o
->state
= o
->next_state
;
5254 o
->next_state
= BNX2X_F_STATE_MAX
;
5256 /* It's important that o->state and o->next_state are
5257 * updated before o->pending.
5261 clear_bit(cmd
, &o
->pending
);
5262 smp_mb__after_clear_bit();
5268 * bnx2x_func_comp_cmd - complete the state change command
5270 * @bp: device handle
5274 * Checks that the arrived completion is expected.
5276 static int bnx2x_func_comp_cmd(struct bnx2x
*bp
,
5277 struct bnx2x_func_sp_obj
*o
,
5278 enum bnx2x_func_cmd cmd
)
5280 /* Complete the state machine part first, check if it's a
5283 int rc
= bnx2x_func_state_change_comp(bp
, o
, cmd
);
5288 * bnx2x_func_chk_transition - perform function state machine transition
5290 * @bp: device handle
5294 * It both checks if the requested command is legal in a current
5295 * state and, if it's legal, sets a `next_state' in the object
5296 * that will be used in the completion flow to set the `state'
5299 * returns 0 if a requested command is a legal transition,
5300 * -EINVAL otherwise.
5302 static int bnx2x_func_chk_transition(struct bnx2x
*bp
,
5303 struct bnx2x_func_sp_obj
*o
,
5304 struct bnx2x_func_state_params
*params
)
5306 enum bnx2x_func_state state
= o
->state
, next_state
= BNX2X_F_STATE_MAX
;
5307 enum bnx2x_func_cmd cmd
= params
->cmd
;
5310 * Forget all pending for completion commands if a driver only state
5311 * transition has been requested.
5313 if (test_bit(RAMROD_DRV_CLR_ONLY
, ¶ms
->ramrod_flags
)) {
5315 o
->next_state
= BNX2X_F_STATE_MAX
;
5319 * Don't allow a next state transition if we are in the middle of
5326 case BNX2X_F_STATE_RESET
:
5327 if (cmd
== BNX2X_F_CMD_HW_INIT
)
5328 next_state
= BNX2X_F_STATE_INITIALIZED
;
5331 case BNX2X_F_STATE_INITIALIZED
:
5332 if (cmd
== BNX2X_F_CMD_START
)
5333 next_state
= BNX2X_F_STATE_STARTED
;
5335 else if (cmd
== BNX2X_F_CMD_HW_RESET
)
5336 next_state
= BNX2X_F_STATE_RESET
;
5339 case BNX2X_F_STATE_STARTED
:
5340 if (cmd
== BNX2X_F_CMD_STOP
)
5341 next_state
= BNX2X_F_STATE_INITIALIZED
;
5342 /* afex ramrods can be sent only in started mode, and only
5343 * if not pending for function_stop ramrod completion
5344 * for these events - next state remained STARTED.
5346 else if ((cmd
== BNX2X_F_CMD_AFEX_UPDATE
) &&
5347 (!test_bit(BNX2X_F_CMD_STOP
, &o
->pending
)))
5348 next_state
= BNX2X_F_STATE_STARTED
;
5350 else if ((cmd
== BNX2X_F_CMD_AFEX_VIFLISTS
) &&
5351 (!test_bit(BNX2X_F_CMD_STOP
, &o
->pending
)))
5352 next_state
= BNX2X_F_STATE_STARTED
;
5353 else if (cmd
== BNX2X_F_CMD_TX_STOP
)
5354 next_state
= BNX2X_F_STATE_TX_STOPPED
;
5357 case BNX2X_F_STATE_TX_STOPPED
:
5358 if (cmd
== BNX2X_F_CMD_TX_START
)
5359 next_state
= BNX2X_F_STATE_STARTED
;
5363 BNX2X_ERR("Unknown state: %d\n", state
);
5366 /* Transition is assured */
5367 if (next_state
!= BNX2X_F_STATE_MAX
) {
5368 DP(BNX2X_MSG_SP
, "Good function state transition: %d(%d)->%d\n",
5369 state
, cmd
, next_state
);
5370 o
->next_state
= next_state
;
5374 DP(BNX2X_MSG_SP
, "Bad function state transition request: %d %d\n",
5381 * bnx2x_func_init_func - performs HW init at function stage
5383 * @bp: device handle
5386 * Init HW when the current phase is
5387 * FW_MSG_CODE_DRV_LOAD_FUNCTION: initialize only FUNCTION-only
5390 static inline int bnx2x_func_init_func(struct bnx2x
*bp
,
5391 const struct bnx2x_func_sp_drv_ops
*drv
)
5393 return drv
->init_hw_func(bp
);
5397 * bnx2x_func_init_port - performs HW init at port stage
5399 * @bp: device handle
5402 * Init HW when the current phase is
5403 * FW_MSG_CODE_DRV_LOAD_PORT: initialize PORT-only and
5404 * FUNCTION-only HW blocks.
5407 static inline int bnx2x_func_init_port(struct bnx2x
*bp
,
5408 const struct bnx2x_func_sp_drv_ops
*drv
)
5410 int rc
= drv
->init_hw_port(bp
);
5414 return bnx2x_func_init_func(bp
, drv
);
5418 * bnx2x_func_init_cmn_chip - performs HW init at chip-common stage
5420 * @bp: device handle
5423 * Init HW when the current phase is
5424 * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON_CHIP,
5425 * PORT-only and FUNCTION-only HW blocks.
5427 static inline int bnx2x_func_init_cmn_chip(struct bnx2x
*bp
,
5428 const struct bnx2x_func_sp_drv_ops
*drv
)
5430 int rc
= drv
->init_hw_cmn_chip(bp
);
5434 return bnx2x_func_init_port(bp
, drv
);
5438 * bnx2x_func_init_cmn - performs HW init at common stage
5440 * @bp: device handle
5443 * Init HW when the current phase is
5444 * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON,
5445 * PORT-only and FUNCTION-only HW blocks.
5447 static inline int bnx2x_func_init_cmn(struct bnx2x
*bp
,
5448 const struct bnx2x_func_sp_drv_ops
*drv
)
5450 int rc
= drv
->init_hw_cmn(bp
);
5454 return bnx2x_func_init_port(bp
, drv
);
5457 static int bnx2x_func_hw_init(struct bnx2x
*bp
,
5458 struct bnx2x_func_state_params
*params
)
5460 u32 load_code
= params
->params
.hw_init
.load_phase
;
5461 struct bnx2x_func_sp_obj
*o
= params
->f_obj
;
5462 const struct bnx2x_func_sp_drv_ops
*drv
= o
->drv
;
5465 DP(BNX2X_MSG_SP
, "function %d load_code %x\n",
5466 BP_ABS_FUNC(bp
), load_code
);
5468 /* Prepare buffers for unzipping the FW */
5469 rc
= drv
->gunzip_init(bp
);
5474 rc
= drv
->init_fw(bp
);
5476 BNX2X_ERR("Error loading firmware\n");
5480 /* Handle the beginning of COMMON_XXX pases separatelly... */
5481 switch (load_code
) {
5482 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP
:
5483 rc
= bnx2x_func_init_cmn_chip(bp
, drv
);
5488 case FW_MSG_CODE_DRV_LOAD_COMMON
:
5489 rc
= bnx2x_func_init_cmn(bp
, drv
);
5494 case FW_MSG_CODE_DRV_LOAD_PORT
:
5495 rc
= bnx2x_func_init_port(bp
, drv
);
5500 case FW_MSG_CODE_DRV_LOAD_FUNCTION
:
5501 rc
= bnx2x_func_init_func(bp
, drv
);
5507 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code
);
5512 drv
->gunzip_end(bp
);
5514 /* In case of success, complete the comand immediatelly: no ramrods
5518 o
->complete_cmd(bp
, o
, BNX2X_F_CMD_HW_INIT
);
5524 * bnx2x_func_reset_func - reset HW at function stage
5526 * @bp: device handle
5529 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_FUNCTION stage: reset only
5530 * FUNCTION-only HW blocks.
5532 static inline void bnx2x_func_reset_func(struct bnx2x
*bp
,
5533 const struct bnx2x_func_sp_drv_ops
*drv
)
5535 drv
->reset_hw_func(bp
);
5539 * bnx2x_func_reset_port - reser HW at port stage
5541 * @bp: device handle
5544 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_PORT stage: reset
5545 * FUNCTION-only and PORT-only HW blocks.
5549 * It's important to call reset_port before reset_func() as the last thing
5550 * reset_func does is pf_disable() thus disabling PGLUE_B, which
5551 * makes impossible any DMAE transactions.
5553 static inline void bnx2x_func_reset_port(struct bnx2x
*bp
,
5554 const struct bnx2x_func_sp_drv_ops
*drv
)
5556 drv
->reset_hw_port(bp
);
5557 bnx2x_func_reset_func(bp
, drv
);
5561 * bnx2x_func_reset_cmn - reser HW at common stage
5563 * @bp: device handle
5566 * Reset HW at FW_MSG_CODE_DRV_UNLOAD_COMMON and
5567 * FW_MSG_CODE_DRV_UNLOAD_COMMON_CHIP stages: reset COMMON,
5568 * COMMON_CHIP, FUNCTION-only and PORT-only HW blocks.
5570 static inline void bnx2x_func_reset_cmn(struct bnx2x
*bp
,
5571 const struct bnx2x_func_sp_drv_ops
*drv
)
5573 bnx2x_func_reset_port(bp
, drv
);
5574 drv
->reset_hw_cmn(bp
);
5578 static inline int bnx2x_func_hw_reset(struct bnx2x
*bp
,
5579 struct bnx2x_func_state_params
*params
)
5581 u32 reset_phase
= params
->params
.hw_reset
.reset_phase
;
5582 struct bnx2x_func_sp_obj
*o
= params
->f_obj
;
5583 const struct bnx2x_func_sp_drv_ops
*drv
= o
->drv
;
5585 DP(BNX2X_MSG_SP
, "function %d reset_phase %x\n", BP_ABS_FUNC(bp
),
5588 switch (reset_phase
) {
5589 case FW_MSG_CODE_DRV_UNLOAD_COMMON
:
5590 bnx2x_func_reset_cmn(bp
, drv
);
5592 case FW_MSG_CODE_DRV_UNLOAD_PORT
:
5593 bnx2x_func_reset_port(bp
, drv
);
5595 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION
:
5596 bnx2x_func_reset_func(bp
, drv
);
5599 BNX2X_ERR("Unknown reset_phase (0x%x) from MCP\n",
5604 /* Complete the comand immediatelly: no ramrods have been sent. */
5605 o
->complete_cmd(bp
, o
, BNX2X_F_CMD_HW_RESET
);
5610 static inline int bnx2x_func_send_start(struct bnx2x
*bp
,
5611 struct bnx2x_func_state_params
*params
)
5613 struct bnx2x_func_sp_obj
*o
= params
->f_obj
;
5614 struct function_start_data
*rdata
=
5615 (struct function_start_data
*)o
->rdata
;
5616 dma_addr_t data_mapping
= o
->rdata_mapping
;
5617 struct bnx2x_func_start_params
*start_params
= ¶ms
->params
.start
;
5619 memset(rdata
, 0, sizeof(*rdata
));
5621 /* Fill the ramrod data with provided parameters */
5622 rdata
->function_mode
= cpu_to_le16(start_params
->mf_mode
);
5623 rdata
->sd_vlan_tag
= cpu_to_le16(start_params
->sd_vlan_tag
);
5624 rdata
->path_id
= BP_PATH(bp
);
5625 rdata
->network_cos_mode
= start_params
->network_cos_mode
;
5628 * No need for an explicit memory barrier here as long we would
5629 * need to ensure the ordering of writing to the SPQ element
5630 * and updating of the SPQ producer which involves a memory
5631 * read and we will have to put a full memory barrier there
5632 * (inside bnx2x_sp_post()).
5635 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_COMMON_FUNCTION_START
, 0,
5636 U64_HI(data_mapping
),
5637 U64_LO(data_mapping
), NONE_CONNECTION_TYPE
);
5640 static inline int bnx2x_func_send_afex_update(struct bnx2x
*bp
,
5641 struct bnx2x_func_state_params
*params
)
5643 struct bnx2x_func_sp_obj
*o
= params
->f_obj
;
5644 struct function_update_data
*rdata
=
5645 (struct function_update_data
*)o
->afex_rdata
;
5646 dma_addr_t data_mapping
= o
->afex_rdata_mapping
;
5647 struct bnx2x_func_afex_update_params
*afex_update_params
=
5648 ¶ms
->params
.afex_update
;
5650 memset(rdata
, 0, sizeof(*rdata
));
5652 /* Fill the ramrod data with provided parameters */
5653 rdata
->vif_id_change_flg
= 1;
5654 rdata
->vif_id
= cpu_to_le16(afex_update_params
->vif_id
);
5655 rdata
->afex_default_vlan_change_flg
= 1;
5656 rdata
->afex_default_vlan
=
5657 cpu_to_le16(afex_update_params
->afex_default_vlan
);
5658 rdata
->allowed_priorities_change_flg
= 1;
5659 rdata
->allowed_priorities
= afex_update_params
->allowed_priorities
;
5661 /* No need for an explicit memory barrier here as long we would
5662 * need to ensure the ordering of writing to the SPQ element
5663 * and updating of the SPQ producer which involves a memory
5664 * read and we will have to put a full memory barrier there
5665 * (inside bnx2x_sp_post()).
5668 "afex: sending func_update vif_id 0x%x dvlan 0x%x prio 0x%x\n",
5670 rdata
->afex_default_vlan
, rdata
->allowed_priorities
);
5672 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_COMMON_FUNCTION_UPDATE
, 0,
5673 U64_HI(data_mapping
),
5674 U64_LO(data_mapping
), NONE_CONNECTION_TYPE
);
5678 inline int bnx2x_func_send_afex_viflists(struct bnx2x
*bp
,
5679 struct bnx2x_func_state_params
*params
)
5681 struct bnx2x_func_sp_obj
*o
= params
->f_obj
;
5682 struct afex_vif_list_ramrod_data
*rdata
=
5683 (struct afex_vif_list_ramrod_data
*)o
->afex_rdata
;
5684 struct bnx2x_func_afex_viflists_params
*afex_viflist_params
=
5685 ¶ms
->params
.afex_viflists
;
5686 u64
*p_rdata
= (u64
*)rdata
;
5688 memset(rdata
, 0, sizeof(*rdata
));
5690 /* Fill the ramrod data with provided parameters */
5691 rdata
->vif_list_index
= afex_viflist_params
->vif_list_index
;
5692 rdata
->func_bit_map
= afex_viflist_params
->func_bit_map
;
5693 rdata
->afex_vif_list_command
=
5694 afex_viflist_params
->afex_vif_list_command
;
5695 rdata
->func_to_clear
= afex_viflist_params
->func_to_clear
;
5697 /* send in echo type of sub command */
5698 rdata
->echo
= afex_viflist_params
->afex_vif_list_command
;
5700 /* No need for an explicit memory barrier here as long we would
5701 * need to ensure the ordering of writing to the SPQ element
5702 * and updating of the SPQ producer which involves a memory
5703 * read and we will have to put a full memory barrier there
5704 * (inside bnx2x_sp_post()).
5707 DP(BNX2X_MSG_SP
, "afex: ramrod lists, cmd 0x%x index 0x%x func_bit_map 0x%x func_to_clr 0x%x\n",
5708 rdata
->afex_vif_list_command
, rdata
->vif_list_index
,
5709 rdata
->func_bit_map
, rdata
->func_to_clear
);
5711 /* this ramrod sends data directly and not through DMA mapping */
5712 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_COMMON_AFEX_VIF_LISTS
, 0,
5713 U64_HI(*p_rdata
), U64_LO(*p_rdata
),
5714 NONE_CONNECTION_TYPE
);
5717 static inline int bnx2x_func_send_stop(struct bnx2x
*bp
,
5718 struct bnx2x_func_state_params
*params
)
5720 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_COMMON_FUNCTION_STOP
, 0, 0, 0,
5721 NONE_CONNECTION_TYPE
);
5724 static inline int bnx2x_func_send_tx_stop(struct bnx2x
*bp
,
5725 struct bnx2x_func_state_params
*params
)
5727 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC
, 0, 0, 0,
5728 NONE_CONNECTION_TYPE
);
5730 static inline int bnx2x_func_send_tx_start(struct bnx2x
*bp
,
5731 struct bnx2x_func_state_params
*params
)
5733 struct bnx2x_func_sp_obj
*o
= params
->f_obj
;
5734 struct flow_control_configuration
*rdata
=
5735 (struct flow_control_configuration
*)o
->rdata
;
5736 dma_addr_t data_mapping
= o
->rdata_mapping
;
5737 struct bnx2x_func_tx_start_params
*tx_start_params
=
5738 ¶ms
->params
.tx_start
;
5741 memset(rdata
, 0, sizeof(*rdata
));
5743 rdata
->dcb_enabled
= tx_start_params
->dcb_enabled
;
5744 rdata
->dcb_version
= tx_start_params
->dcb_version
;
5745 rdata
->dont_add_pri_0_en
= tx_start_params
->dont_add_pri_0_en
;
5747 for (i
= 0; i
< ARRAY_SIZE(rdata
->traffic_type_to_priority_cos
); i
++)
5748 rdata
->traffic_type_to_priority_cos
[i
] =
5749 tx_start_params
->traffic_type_to_priority_cos
[i
];
5751 return bnx2x_sp_post(bp
, RAMROD_CMD_ID_COMMON_START_TRAFFIC
, 0,
5752 U64_HI(data_mapping
),
5753 U64_LO(data_mapping
), NONE_CONNECTION_TYPE
);
5756 static int bnx2x_func_send_cmd(struct bnx2x
*bp
,
5757 struct bnx2x_func_state_params
*params
)
5759 switch (params
->cmd
) {
5760 case BNX2X_F_CMD_HW_INIT
:
5761 return bnx2x_func_hw_init(bp
, params
);
5762 case BNX2X_F_CMD_START
:
5763 return bnx2x_func_send_start(bp
, params
);
5764 case BNX2X_F_CMD_STOP
:
5765 return bnx2x_func_send_stop(bp
, params
);
5766 case BNX2X_F_CMD_HW_RESET
:
5767 return bnx2x_func_hw_reset(bp
, params
);
5768 case BNX2X_F_CMD_AFEX_UPDATE
:
5769 return bnx2x_func_send_afex_update(bp
, params
);
5770 case BNX2X_F_CMD_AFEX_VIFLISTS
:
5771 return bnx2x_func_send_afex_viflists(bp
, params
);
5772 case BNX2X_F_CMD_TX_STOP
:
5773 return bnx2x_func_send_tx_stop(bp
, params
);
5774 case BNX2X_F_CMD_TX_START
:
5775 return bnx2x_func_send_tx_start(bp
, params
);
5777 BNX2X_ERR("Unknown command: %d\n", params
->cmd
);
5782 void bnx2x_init_func_obj(struct bnx2x
*bp
,
5783 struct bnx2x_func_sp_obj
*obj
,
5784 void *rdata
, dma_addr_t rdata_mapping
,
5785 void *afex_rdata
, dma_addr_t afex_rdata_mapping
,
5786 struct bnx2x_func_sp_drv_ops
*drv_iface
)
5788 memset(obj
, 0, sizeof(*obj
));
5790 mutex_init(&obj
->one_pending_mutex
);
5793 obj
->rdata_mapping
= rdata_mapping
;
5794 obj
->afex_rdata
= afex_rdata
;
5795 obj
->afex_rdata_mapping
= afex_rdata_mapping
;
5796 obj
->send_cmd
= bnx2x_func_send_cmd
;
5797 obj
->check_transition
= bnx2x_func_chk_transition
;
5798 obj
->complete_cmd
= bnx2x_func_comp_cmd
;
5799 obj
->wait_comp
= bnx2x_func_wait_comp
;
5801 obj
->drv
= drv_iface
;
5805 * bnx2x_func_state_change - perform Function state change transition
5807 * @bp: device handle
5808 * @params: parameters to perform the transaction
5810 * returns 0 in case of successfully completed transition,
5811 * negative error code in case of failure, positive
5812 * (EBUSY) value if there is a completion to that is
5813 * still pending (possible only if RAMROD_COMP_WAIT is
5814 * not set in params->ramrod_flags for asynchronous
5817 int bnx2x_func_state_change(struct bnx2x
*bp
,
5818 struct bnx2x_func_state_params
*params
)
5820 struct bnx2x_func_sp_obj
*o
= params
->f_obj
;
5822 enum bnx2x_func_cmd cmd
= params
->cmd
;
5823 unsigned long *pending
= &o
->pending
;
5825 mutex_lock(&o
->one_pending_mutex
);
5827 /* Check that the requested transition is legal */
5828 if (o
->check_transition(bp
, o
, params
)) {
5829 mutex_unlock(&o
->one_pending_mutex
);
5833 /* Set "pending" bit */
5834 set_bit(cmd
, pending
);
5836 /* Don't send a command if only driver cleanup was requested */
5837 if (test_bit(RAMROD_DRV_CLR_ONLY
, ¶ms
->ramrod_flags
)) {
5838 bnx2x_func_state_change_comp(bp
, o
, cmd
);
5839 mutex_unlock(&o
->one_pending_mutex
);
5842 rc
= o
->send_cmd(bp
, params
);
5844 mutex_unlock(&o
->one_pending_mutex
);
5847 o
->next_state
= BNX2X_F_STATE_MAX
;
5848 clear_bit(cmd
, pending
);
5849 smp_mb__after_clear_bit();
5853 if (test_bit(RAMROD_COMP_WAIT
, ¶ms
->ramrod_flags
)) {
5854 rc
= o
->wait_comp(bp
, o
, cmd
);
5862 return !!test_bit(cmd
, pending
);