2 * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include <linux/if_vlan.h>
36 #include <linux/etherdevice.h>
37 #include <linux/timecounter.h>
38 #include <linux/net_tstamp.h>
39 #include <linux/ptp_clock_kernel.h>
40 #include <linux/mlx5/driver.h>
41 #include <linux/mlx5/qp.h>
42 #include <linux/mlx5/cq.h>
43 #include <linux/mlx5/port.h>
44 #include <linux/mlx5/vport.h>
45 #include <linux/mlx5/transobj.h>
46 #include <linux/rhashtable.h>
47 #include <net/switchdev.h>
49 #include "mlx5_core.h"
52 #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
54 #define MLX5E_MAX_NUM_TC 8
56 #define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6
57 #define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
58 #define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd
60 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE 0x1
61 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
62 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd
64 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x1
65 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3
66 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6
68 #define MLX5_RX_HEADROOM NET_SKB_PAD
70 #define MLX5_MPWRQ_LOG_STRIDE_SIZE 6 /* >= 6, HW restriction */
71 #define MLX5_MPWRQ_LOG_STRIDE_SIZE_CQE_COMPRESS 8 /* >= 6, HW restriction */
72 #define MLX5_MPWRQ_LOG_WQE_SZ 18
73 #define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
74 MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
75 #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
76 #define MLX5_MPWRQ_STRIDES_PER_PAGE (MLX5_MPWRQ_NUM_STRIDES >> \
77 MLX5_MPWRQ_WQE_PAGE_ORDER)
79 #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2)
80 #define MLX5E_REQUIRED_MTTS(wqes) \
81 (wqes * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8))
82 #define MLX5E_VALID_NUM_MTTS(num_mtts) (MLX5_MTT_OCTW(num_mtts) - 1 <= U16_MAX)
84 #define MLX5_UMR_ALIGN (2048)
85 #define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (128)
87 #define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
88 #define MLX5E_DEFAULT_LRO_TIMEOUT 32
89 #define MLX5E_LRO_TIMEOUT_ARR_SIZE 4
91 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
92 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
93 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
94 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
95 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
96 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
97 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
99 #define MLX5E_LOG_INDIR_RQT_SIZE 0x7
100 #define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
101 #define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
102 #define MLX5E_MAX_NUM_SQS (MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC)
103 #define MLX5E_TX_CQ_POLL_BUDGET 128
104 #define MLX5E_UPDATE_STATS_INTERVAL 200 /* msecs */
105 #define MLX5E_SQ_BF_BUDGET 16
107 #define MLX5E_ICOSQ_MAX_WQEBBS \
108 (DIV_ROUND_UP(sizeof(struct mlx5e_umr_wqe), MLX5_SEND_WQE_BB))
110 #define MLX5E_XDP_MIN_INLINE (ETH_HLEN + VLAN_HLEN)
111 #define MLX5E_XDP_IHS_DS_COUNT \
112 DIV_ROUND_UP(MLX5E_XDP_MIN_INLINE - 2, MLX5_SEND_WQE_DS)
113 #define MLX5E_XDP_TX_DS_COUNT \
114 (MLX5E_XDP_IHS_DS_COUNT + \
115 (sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS) + 1 /* SG DS */)
116 #define MLX5E_XDP_TX_WQEBBS \
117 DIV_ROUND_UP(MLX5E_XDP_TX_DS_COUNT, MLX5_SEND_WQEBB_NUM_DS)
119 #define MLX5E_NUM_MAIN_GROUPS 9
121 static inline u16
mlx5_min_rx_wqes(int wq_type
, u32 wq_size
)
124 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ
:
125 return min_t(u16
, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW
,
128 return min_t(u16
, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES
,
133 static inline int mlx5_min_log_rq_size(int wq_type
)
136 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ
:
137 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW
;
139 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE
;
143 static inline int mlx5_max_log_rq_size(int wq_type
)
146 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ
:
147 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW
;
149 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE
;
153 struct mlx5e_tx_wqe
{
154 struct mlx5_wqe_ctrl_seg ctrl
;
155 struct mlx5_wqe_eth_seg eth
;
158 struct mlx5e_rx_wqe
{
159 struct mlx5_wqe_srq_next_seg next
;
160 struct mlx5_wqe_data_seg data
;
163 struct mlx5e_umr_wqe
{
164 struct mlx5_wqe_ctrl_seg ctrl
;
165 struct mlx5_wqe_umr_ctrl_seg uctrl
;
166 struct mlx5_mkey_seg mkc
;
167 struct mlx5_wqe_data_seg data
;
170 extern const char mlx5e_self_tests
[][ETH_GSTRING_LEN
];
172 static const char mlx5e_priv_flags
[][ETH_GSTRING_LEN
] = {
177 enum mlx5e_priv_flag
{
178 MLX5E_PFLAG_RX_CQE_BASED_MODER
= (1 << 0),
179 MLX5E_PFLAG_RX_CQE_COMPRESS
= (1 << 1),
182 #define MLX5E_SET_PFLAG(priv, pflag, enable) \
185 (priv)->params.pflags |= (pflag); \
187 (priv)->params.pflags &= ~(pflag); \
190 #define MLX5E_GET_PFLAG(priv, pflag) (!!((priv)->params.pflags & (pflag)))
192 #ifdef CONFIG_MLX5_CORE_EN_DCB
193 #define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
196 struct mlx5e_cq_moder
{
201 struct mlx5e_params
{
204 u8 mpwqe_log_stride_sz
;
205 u8 mpwqe_log_num_strides
;
209 u8 rx_cq_period_mode
;
210 bool rx_cqe_compress_def
;
211 struct mlx5e_cq_moder rx_cq_moderation
;
212 struct mlx5e_cq_moder tx_cq_moderation
;
217 u8 tx_min_inline_mode
;
219 u8 toeplitz_hash_key
[40];
220 u32 indirection_rqt
[MLX5E_INDIR_RQT_SIZE
];
221 bool vlan_strip_disable
;
227 #ifdef CONFIG_MLX5_CORE_EN_DCB
228 struct mlx5e_cee_config
{
229 /* bw pct for priority group */
230 u8 pg_bw_pct
[CEE_DCBX_MAX_PGS
];
231 u8 prio_to_pg_map
[CEE_DCBX_MAX_PRIO
];
232 bool pfc_setting
[CEE_DCBX_MAX_PRIO
];
239 MLX5_DCB_CHG_NO_RESET
,
243 enum mlx5_dcbx_oper_mode mode
;
244 struct mlx5e_cee_config cee_cfg
; /* pending configuration */
246 /* The only setting that cannot be read from FW */
247 u8 tc_tsa
[IEEE_8021QAZ_MAX_TCS
];
251 struct mlx5e_tstamp
{
253 struct cyclecounter cycles
;
254 struct timecounter clock
;
255 struct hwtstamp_config hwtstamp_config
;
257 unsigned long overflow_period
;
258 struct delayed_work overflow_work
;
259 struct mlx5_core_dev
*mdev
;
260 struct ptp_clock
*ptp
;
261 struct ptp_clock_info ptp_info
;
265 MLX5E_RQ_STATE_ENABLED
,
266 MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS
,
271 /* data path - accessed per cqe */
274 /* data path - accessed per napi poll */
276 struct napi_struct
*napi
;
277 struct mlx5_core_cq mcq
;
278 struct mlx5e_channel
*channel
;
279 struct mlx5e_priv
*priv
;
281 /* cqe decompression */
282 struct mlx5_cqe64 title
;
283 struct mlx5_mini_cqe8 mini_arr
[MLX5_MINI_CQE_ARRAY_SIZE
];
286 u16 decmprs_wqe_counter
;
289 struct mlx5_frag_wq_ctrl wq_ctrl
;
290 } ____cacheline_aligned_in_smp
;
293 typedef void (*mlx5e_fp_handle_rx_cqe
)(struct mlx5e_rq
*rq
,
294 struct mlx5_cqe64
*cqe
);
295 typedef int (*mlx5e_fp_alloc_wqe
)(struct mlx5e_rq
*rq
, struct mlx5e_rx_wqe
*wqe
,
298 typedef void (*mlx5e_fp_dealloc_wqe
)(struct mlx5e_rq
*rq
, u16 ix
);
300 struct mlx5e_dma_info
{
305 struct mlx5e_rx_am_stats
{
306 int ppms
; /* packets per msec */
307 int epms
; /* events per msec */
310 struct mlx5e_rx_am_sample
{
312 unsigned int pkt_ctr
;
316 struct mlx5e_rx_am
{ /* Adaptive Moderation */
318 struct mlx5e_rx_am_stats prev_stats
;
319 struct mlx5e_rx_am_sample start_sample
;
320 struct work_struct work
;
329 /* a single cache unit is capable to serve one napi call (for non-striding rq)
330 * or a MPWQE (for striding rq).
332 #define MLX5E_CACHE_UNIT (MLX5_MPWRQ_PAGES_PER_WQE > NAPI_POLL_WEIGHT ? \
333 MLX5_MPWRQ_PAGES_PER_WQE : NAPI_POLL_WEIGHT)
334 #define MLX5E_CACHE_SIZE (2 * roundup_pow_of_two(MLX5E_CACHE_UNIT))
335 struct mlx5e_page_cache
{
338 struct mlx5e_dma_info page_cache
[MLX5E_CACHE_SIZE
];
343 struct mlx5_wq_ll wq
;
346 struct mlx5e_dma_info
*dma_info
;
348 struct mlx5e_mpw_info
*info
;
354 u32 wqe_sz
; /* wqe data buffer size */
355 u8 map_dir
; /* dma map direction */
360 struct net_device
*netdev
;
361 struct mlx5e_tstamp
*tstamp
;
362 struct mlx5e_rq_stats stats
;
364 struct mlx5e_page_cache page_cache
;
366 mlx5e_fp_handle_rx_cqe handle_rx_cqe
;
367 mlx5e_fp_alloc_wqe alloc_wqe
;
368 mlx5e_fp_dealloc_wqe dealloc_wqe
;
373 struct mlx5e_rx_am am
; /* Adaptive Moderation */
374 struct bpf_prog
*xdp_prog
;
377 struct mlx5_wq_ctrl wq_ctrl
;
380 u32 mpwqe_num_strides
;
382 struct mlx5e_channel
*channel
;
383 struct mlx5e_priv
*priv
;
384 struct mlx5_core_mkey umr_mkey
;
385 } ____cacheline_aligned_in_smp
;
387 struct mlx5e_umr_dma_info
{
390 struct mlx5e_dma_info dma_info
[MLX5_MPWRQ_PAGES_PER_WQE
];
391 struct mlx5e_umr_wqe wqe
;
394 struct mlx5e_mpw_info
{
395 struct mlx5e_umr_dma_info umr
;
396 u16 consumed_strides
;
397 u16 skbs_frags
[MLX5_MPWRQ_PAGES_PER_WQE
];
400 struct mlx5e_tx_wqe_info
{
406 enum mlx5e_dma_map_type
{
407 MLX5E_DMA_MAP_SINGLE
,
411 struct mlx5e_sq_dma
{
414 enum mlx5e_dma_map_type type
;
418 MLX5E_SQ_STATE_ENABLED
,
419 MLX5E_SQ_STATE_BF_ENABLE
,
422 struct mlx5e_sq_wqe_info
{
436 /* dirtied @completion */
441 u16 pc ____cacheline_aligned_in_smp
;
446 struct mlx5e_sq_stats stats
;
450 /* pointers to per tx element info: write@xmit, read@completion */
453 struct sk_buff
**skb
;
454 struct mlx5e_sq_dma
*dma_fifo
;
455 struct mlx5e_tx_wqe_info
*wqe_info
;
457 struct mlx5e_sq_wqe_info
*ico_wqe
;
459 struct mlx5e_sq_wqe_info
*wqe_info
;
460 struct mlx5e_dma_info
*di
;
466 struct mlx5_wq_cyc wq
;
468 struct netdev_queue
*txq
;
475 struct mlx5e_tstamp
*tstamp
;
480 struct mlx5_wq_ctrl wq_ctrl
;
481 struct mlx5_sq_bfreg bfreg
;
482 struct mlx5e_channel
*channel
;
486 } ____cacheline_aligned_in_smp
;
488 static inline bool mlx5e_sq_has_room_for(struct mlx5e_sq
*sq
, u16 n
)
490 return (((sq
->wq
.sz_m1
& (sq
->cc
- sq
->pc
)) >= n
) ||
495 MLX5E_CHANNEL_NAPI_SCHED
= 1,
498 struct mlx5e_channel
{
501 struct mlx5e_sq xdp_sq
;
502 struct mlx5e_sq sq
[MLX5E_MAX_NUM_TC
];
503 struct mlx5e_sq icosq
; /* internal control operations */
505 struct napi_struct napi
;
507 struct net_device
*netdev
;
513 struct mlx5e_priv
*priv
;
518 enum mlx5e_traffic_types
{
523 MLX5E_TT_IPV4_IPSEC_AH
,
524 MLX5E_TT_IPV6_IPSEC_AH
,
525 MLX5E_TT_IPV4_IPSEC_ESP
,
526 MLX5E_TT_IPV6_IPSEC_ESP
,
531 MLX5E_NUM_INDIR_TIRS
= MLX5E_TT_ANY
,
535 MLX5E_STATE_ASYNC_EVENTS_ENABLED
,
537 MLX5E_STATE_DESTROYING
,
540 struct mlx5e_vxlan_db
{
541 spinlock_t lock
; /* protect vxlan table */
542 struct radix_tree_root tree
;
545 struct mlx5e_l2_rule
{
546 u8 addr
[ETH_ALEN
+ 2];
547 struct mlx5_flow_handle
*rule
;
550 struct mlx5e_flow_table
{
552 struct mlx5_flow_table
*t
;
553 struct mlx5_flow_group
**g
;
556 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
558 struct mlx5e_tc_table
{
559 struct mlx5_flow_table
*t
;
561 struct rhashtable_params ht_params
;
562 struct rhashtable ht
;
565 struct mlx5e_vlan_table
{
566 struct mlx5e_flow_table ft
;
567 unsigned long active_vlans
[BITS_TO_LONGS(VLAN_N_VID
)];
568 struct mlx5_flow_handle
*active_vlans_rule
[VLAN_N_VID
];
569 struct mlx5_flow_handle
*untagged_rule
;
570 struct mlx5_flow_handle
*any_vlan_rule
;
571 bool filter_disabled
;
574 struct mlx5e_l2_table
{
575 struct mlx5e_flow_table ft
;
576 struct hlist_head netdev_uc
[MLX5E_L2_ADDR_HASH_SIZE
];
577 struct hlist_head netdev_mc
[MLX5E_L2_ADDR_HASH_SIZE
];
578 struct mlx5e_l2_rule broadcast
;
579 struct mlx5e_l2_rule allmulti
;
580 struct mlx5e_l2_rule promisc
;
581 bool broadcast_enabled
;
582 bool allmulti_enabled
;
583 bool promisc_enabled
;
586 /* L3/L4 traffic type classifier */
587 struct mlx5e_ttc_table
{
588 struct mlx5e_flow_table ft
;
589 struct mlx5_flow_handle
*rules
[MLX5E_NUM_TT
];
592 #define ARFS_HASH_SHIFT BITS_PER_BYTE
593 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
595 struct mlx5e_flow_table ft
;
596 struct mlx5_flow_handle
*default_rule
;
597 struct hlist_head rules_hash
[ARFS_HASH_SIZE
];
608 struct mlx5e_arfs_tables
{
609 struct arfs_table arfs_tables
[ARFS_NUM_TYPES
];
610 /* Protect aRFS rules list */
611 spinlock_t arfs_lock
;
612 struct list_head rules
;
614 struct workqueue_struct
*wq
;
619 MLX5E_VLAN_FT_LEVEL
= 0,
625 struct mlx5e_ethtool_table
{
626 struct mlx5_flow_table
*ft
;
630 #define ETHTOOL_NUM_L3_L4_FTS 7
631 #define ETHTOOL_NUM_L2_FTS 4
633 struct mlx5e_ethtool_steering
{
634 struct mlx5e_ethtool_table l3_l4_ft
[ETHTOOL_NUM_L3_L4_FTS
];
635 struct mlx5e_ethtool_table l2_ft
[ETHTOOL_NUM_L2_FTS
];
636 struct list_head rules
;
640 struct mlx5e_flow_steering
{
641 struct mlx5_flow_namespace
*ns
;
642 struct mlx5e_ethtool_steering ethtool
;
643 struct mlx5e_tc_table tc
;
644 struct mlx5e_vlan_table vlan
;
645 struct mlx5e_l2_table l2
;
646 struct mlx5e_ttc_table ttc
;
647 struct mlx5e_arfs_tables arfs
;
657 struct mlx5e_rqt rqt
;
658 struct list_head list
;
666 struct mlx5e_profile
{
667 void (*init
)(struct mlx5_core_dev
*mdev
,
668 struct net_device
*netdev
,
669 const struct mlx5e_profile
*profile
, void *ppriv
);
670 void (*cleanup
)(struct mlx5e_priv
*priv
);
671 int (*init_rx
)(struct mlx5e_priv
*priv
);
672 void (*cleanup_rx
)(struct mlx5e_priv
*priv
);
673 int (*init_tx
)(struct mlx5e_priv
*priv
);
674 void (*cleanup_tx
)(struct mlx5e_priv
*priv
);
675 void (*enable
)(struct mlx5e_priv
*priv
);
676 void (*disable
)(struct mlx5e_priv
*priv
);
677 void (*update_stats
)(struct mlx5e_priv
*priv
);
678 int (*max_nch
)(struct mlx5_core_dev
*mdev
);
683 /* priv data path fields - start */
684 struct mlx5e_sq
**txq_to_sq_map
;
685 int channeltc_to_txq_map
[MLX5E_MAX_NUM_CHANNELS
][MLX5E_MAX_NUM_TC
];
686 struct bpf_prog
*xdp_prog
;
687 /* priv data path fields - end */
690 struct mutex state_lock
; /* Protects Interface state */
691 struct mlx5e_rq drop_rq
;
693 struct mlx5e_channel
**channel
;
694 u32 tisn
[MLX5E_MAX_NUM_TC
];
695 struct mlx5e_rqt indir_rqt
;
696 struct mlx5e_tir indir_tir
[MLX5E_NUM_INDIR_TIRS
];
697 struct mlx5e_tir direct_tir
[MLX5E_MAX_NUM_CHANNELS
];
698 u32 tx_rates
[MLX5E_MAX_NUM_SQS
];
700 struct mlx5e_flow_steering fs
;
701 struct mlx5e_vxlan_db vxlan
;
703 struct mlx5e_params params
;
704 struct workqueue_struct
*wq
;
705 struct work_struct update_carrier_work
;
706 struct work_struct set_rx_mode_work
;
707 struct work_struct tx_timeout_work
;
708 struct delayed_work update_stats_work
;
710 struct mlx5_core_dev
*mdev
;
711 struct net_device
*netdev
;
712 struct mlx5e_stats stats
;
713 struct mlx5e_tstamp tstamp
;
715 #ifdef CONFIG_MLX5_CORE_EN_DCB
716 struct mlx5e_dcbx dcbx
;
719 const struct mlx5e_profile
*profile
;
723 void mlx5e_build_ptys2ethtool_map(void);
725 void mlx5e_send_nop(struct mlx5e_sq
*sq
, bool notify_hw
);
726 u16
mlx5e_select_queue(struct net_device
*dev
, struct sk_buff
*skb
,
727 void *accel_priv
, select_queue_fallback_t fallback
);
728 netdev_tx_t
mlx5e_xmit(struct sk_buff
*skb
, struct net_device
*dev
);
730 void mlx5e_completion_event(struct mlx5_core_cq
*mcq
);
731 void mlx5e_cq_error_event(struct mlx5_core_cq
*mcq
, enum mlx5_event event
);
732 int mlx5e_napi_poll(struct napi_struct
*napi
, int budget
);
733 bool mlx5e_poll_tx_cq(struct mlx5e_cq
*cq
, int napi_budget
);
734 int mlx5e_poll_rx_cq(struct mlx5e_cq
*cq
, int budget
);
735 void mlx5e_free_sq_descs(struct mlx5e_sq
*sq
);
737 void mlx5e_page_release(struct mlx5e_rq
*rq
, struct mlx5e_dma_info
*dma_info
,
739 void mlx5e_handle_rx_cqe(struct mlx5e_rq
*rq
, struct mlx5_cqe64
*cqe
);
740 void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq
*rq
, struct mlx5_cqe64
*cqe
);
741 bool mlx5e_post_rx_wqes(struct mlx5e_rq
*rq
);
742 int mlx5e_alloc_rx_wqe(struct mlx5e_rq
*rq
, struct mlx5e_rx_wqe
*wqe
, u16 ix
);
743 int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq
*rq
, struct mlx5e_rx_wqe
*wqe
, u16 ix
);
744 void mlx5e_dealloc_rx_wqe(struct mlx5e_rq
*rq
, u16 ix
);
745 void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq
*rq
, u16 ix
);
746 void mlx5e_post_rx_mpwqe(struct mlx5e_rq
*rq
);
747 void mlx5e_free_rx_mpwqe(struct mlx5e_rq
*rq
, struct mlx5e_mpw_info
*wi
);
748 struct mlx5_cqe64
*mlx5e_get_cqe(struct mlx5e_cq
*cq
);
750 void mlx5e_rx_am(struct mlx5e_rq
*rq
);
751 void mlx5e_rx_am_work(struct work_struct
*work
);
752 struct mlx5e_cq_moder
mlx5e_am_get_def_profile(u8 rx_cq_period_mode
);
754 void mlx5e_update_stats(struct mlx5e_priv
*priv
);
756 int mlx5e_create_flow_steering(struct mlx5e_priv
*priv
);
757 void mlx5e_destroy_flow_steering(struct mlx5e_priv
*priv
);
758 void mlx5e_init_l2_addr(struct mlx5e_priv
*priv
);
759 void mlx5e_destroy_flow_table(struct mlx5e_flow_table
*ft
);
760 int mlx5e_self_test_num(struct mlx5e_priv
*priv
);
761 void mlx5e_self_test(struct net_device
*ndev
, struct ethtool_test
*etest
,
763 int mlx5e_ethtool_get_flow(struct mlx5e_priv
*priv
, struct ethtool_rxnfc
*info
,
765 int mlx5e_ethtool_get_all_flows(struct mlx5e_priv
*priv
,
766 struct ethtool_rxnfc
*info
, u32
*rule_locs
);
767 int mlx5e_ethtool_flow_replace(struct mlx5e_priv
*priv
,
768 struct ethtool_rx_flow_spec
*fs
);
769 int mlx5e_ethtool_flow_remove(struct mlx5e_priv
*priv
,
771 void mlx5e_ethtool_init_steering(struct mlx5e_priv
*priv
);
772 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv
*priv
);
773 void mlx5e_set_rx_mode_work(struct work_struct
*work
);
775 void mlx5e_fill_hwstamp(struct mlx5e_tstamp
*clock
, u64 timestamp
,
776 struct skb_shared_hwtstamps
*hwts
);
777 void mlx5e_timestamp_init(struct mlx5e_priv
*priv
);
778 void mlx5e_timestamp_cleanup(struct mlx5e_priv
*priv
);
779 int mlx5e_hwstamp_set(struct net_device
*dev
, struct ifreq
*ifr
);
780 int mlx5e_hwstamp_get(struct net_device
*dev
, struct ifreq
*ifr
);
781 void mlx5e_modify_rx_cqe_compression(struct mlx5e_priv
*priv
, bool val
);
783 int mlx5e_vlan_rx_add_vid(struct net_device
*dev
, __always_unused __be16 proto
,
785 int mlx5e_vlan_rx_kill_vid(struct net_device
*dev
, __always_unused __be16 proto
,
787 void mlx5e_enable_vlan_filter(struct mlx5e_priv
*priv
);
788 void mlx5e_disable_vlan_filter(struct mlx5e_priv
*priv
);
790 int mlx5e_modify_rqs_vsd(struct mlx5e_priv
*priv
, bool vsd
);
792 int mlx5e_redirect_rqt(struct mlx5e_priv
*priv
, u32 rqtn
, int sz
, int ix
);
793 void mlx5e_build_tir_ctx_hash(void *tirc
, struct mlx5e_priv
*priv
);
795 int mlx5e_open_locked(struct net_device
*netdev
);
796 int mlx5e_close_locked(struct net_device
*netdev
);
797 void mlx5e_build_default_indir_rqt(struct mlx5_core_dev
*mdev
,
798 u32
*indirection_rqt
, int len
,
800 int mlx5e_get_max_linkspeed(struct mlx5_core_dev
*mdev
, u32
*speed
);
802 void mlx5e_set_rx_cq_mode_params(struct mlx5e_params
*params
,
805 static inline void mlx5e_tx_notify_hw(struct mlx5e_sq
*sq
,
806 struct mlx5_wqe_ctrl_seg
*ctrl
, int bf_sz
)
808 u16 ofst
= sq
->bf_offset
;
810 /* ensure wqe is visible to device before updating doorbell record */
813 *sq
->wq
.db
= cpu_to_be32(sq
->pc
);
815 /* ensure doorbell record is visible to device before ringing the
820 __iowrite64_copy(sq
->bfreg
.map
+ ofst
, ctrl
, bf_sz
);
822 mlx5_write64((__be32
*)ctrl
, sq
->bfreg
.map
+ ofst
, NULL
);
823 /* flush the write-combining mapped buffer */
826 sq
->bf_offset
^= sq
->bf_buf_size
;
829 static inline void mlx5e_cq_arm(struct mlx5e_cq
*cq
)
831 struct mlx5_core_cq
*mcq
;
834 mlx5_cq_arm(mcq
, MLX5_CQ_DB_REQ_NOT
, mcq
->uar
->map
, cq
->wq
.cc
);
837 static inline u32
mlx5e_get_wqe_mtt_offset(struct mlx5e_rq
*rq
, u16 wqe_ix
)
839 return wqe_ix
* ALIGN(MLX5_MPWRQ_PAGES_PER_WQE
, 8);
842 static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev
*mdev
)
844 return min_t(int, mdev
->priv
.eq_table
.num_comp_vectors
,
845 MLX5E_MAX_NUM_CHANNELS
);
848 extern const struct ethtool_ops mlx5e_ethtool_ops
;
849 #ifdef CONFIG_MLX5_CORE_EN_DCB
850 extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops
;
851 int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv
*priv
, struct ieee_ets
*ets
);
852 void mlx5e_dcbnl_initialize(struct mlx5e_priv
*priv
);
855 #ifndef CONFIG_RFS_ACCEL
856 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv
*priv
)
861 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv
*priv
) {}
863 static inline int mlx5e_arfs_enable(struct mlx5e_priv
*priv
)
868 static inline int mlx5e_arfs_disable(struct mlx5e_priv
*priv
)
873 int mlx5e_arfs_create_tables(struct mlx5e_priv
*priv
);
874 void mlx5e_arfs_destroy_tables(struct mlx5e_priv
*priv
);
875 int mlx5e_arfs_enable(struct mlx5e_priv
*priv
);
876 int mlx5e_arfs_disable(struct mlx5e_priv
*priv
);
877 int mlx5e_rx_flow_steer(struct net_device
*dev
, const struct sk_buff
*skb
,
878 u16 rxq_index
, u32 flow_id
);
881 u16
mlx5e_get_max_inline_cap(struct mlx5_core_dev
*mdev
);
882 int mlx5e_create_tir(struct mlx5_core_dev
*mdev
,
883 struct mlx5e_tir
*tir
, u32
*in
, int inlen
);
884 void mlx5e_destroy_tir(struct mlx5_core_dev
*mdev
,
885 struct mlx5e_tir
*tir
);
886 int mlx5e_create_mdev_resources(struct mlx5_core_dev
*mdev
);
887 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev
*mdev
);
888 int mlx5e_refresh_tirs_self_loopback(struct mlx5_core_dev
*mdev
,
891 struct mlx5_eswitch_rep
;
892 int mlx5e_vport_rep_load(struct mlx5_eswitch
*esw
,
893 struct mlx5_eswitch_rep
*rep
);
894 void mlx5e_vport_rep_unload(struct mlx5_eswitch
*esw
,
895 struct mlx5_eswitch_rep
*rep
);
896 int mlx5e_nic_rep_load(struct mlx5_eswitch
*esw
, struct mlx5_eswitch_rep
*rep
);
897 void mlx5e_nic_rep_unload(struct mlx5_eswitch
*esw
,
898 struct mlx5_eswitch_rep
*rep
);
899 int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv
*priv
);
900 void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv
*priv
);
901 int mlx5e_attr_get(struct net_device
*dev
, struct switchdev_attr
*attr
);
902 void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq
*rq
, struct mlx5_cqe64
*cqe
);
903 void mlx5e_update_hw_rep_counters(struct mlx5e_priv
*priv
);
905 int mlx5e_create_direct_rqts(struct mlx5e_priv
*priv
);
906 void mlx5e_destroy_rqt(struct mlx5e_priv
*priv
, struct mlx5e_rqt
*rqt
);
907 int mlx5e_create_direct_tirs(struct mlx5e_priv
*priv
);
908 void mlx5e_destroy_direct_tirs(struct mlx5e_priv
*priv
);
909 int mlx5e_create_tises(struct mlx5e_priv
*priv
);
910 void mlx5e_cleanup_nic_tx(struct mlx5e_priv
*priv
);
911 int mlx5e_close(struct net_device
*netdev
);
912 int mlx5e_open(struct net_device
*netdev
);
913 void mlx5e_update_stats_work(struct work_struct
*work
);
914 struct net_device
*mlx5e_create_netdev(struct mlx5_core_dev
*mdev
,
915 const struct mlx5e_profile
*profile
,
917 void mlx5e_destroy_netdev(struct mlx5_core_dev
*mdev
, struct mlx5e_priv
*priv
);
918 int mlx5e_attach_netdev(struct mlx5_core_dev
*mdev
, struct net_device
*netdev
);
919 void mlx5e_detach_netdev(struct mlx5_core_dev
*mdev
, struct net_device
*netdev
);
920 u32
mlx5e_choose_lro_timeout(struct mlx5_core_dev
*mdev
, u32 wanted_timeout
);
921 void mlx5e_add_vxlan_port(struct net_device
*netdev
,
922 struct udp_tunnel_info
*ti
);
923 void mlx5e_del_vxlan_port(struct net_device
*netdev
,
924 struct udp_tunnel_info
*ti
);
926 int mlx5e_get_offload_stats(int attr_id
, const struct net_device
*dev
,
928 bool mlx5e_has_offload_stats(const struct net_device
*dev
, int attr_id
);
930 bool mlx5e_is_uplink_rep(struct mlx5e_priv
*priv
);
931 bool mlx5e_is_vf_vport_rep(struct mlx5e_priv
*priv
);
932 #endif /* __MLX5_EN_H__ */