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
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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_MPWRQ_LOG_STRIDE_SIZE 6 /* >= 6, HW restriction */
69 #define MLX5_MPWRQ_LOG_STRIDE_SIZE_CQE_COMPRESS 8 /* >= 6, HW restriction */
70 #define MLX5_MPWRQ_LOG_WQE_SZ 18
71 #define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
72 MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
73 #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
74 #define MLX5_MPWRQ_STRIDES_PER_PAGE (MLX5_MPWRQ_NUM_STRIDES >> \
75 MLX5_MPWRQ_WQE_PAGE_ORDER)
77 #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2)
78 #define MLX5E_REQUIRED_MTTS(rqs, wqes)\
79 (rqs * wqes * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8))
80 #define MLX5E_VALID_NUM_MTTS(num_mtts) (MLX5_MTT_OCTW(num_mtts) <= U16_MAX)
82 #define MLX5_UMR_ALIGN (2048)
83 #define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (128)
85 #define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
86 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
87 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
88 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
89 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
90 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
91 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
92 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
94 #define MLX5E_LOG_INDIR_RQT_SIZE 0x7
95 #define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
96 #define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
97 #define MLX5E_MAX_NUM_SQS (MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC)
98 #define MLX5E_TX_CQ_POLL_BUDGET 128
99 #define MLX5E_UPDATE_STATS_INTERVAL 200 /* msecs */
100 #define MLX5E_SQ_BF_BUDGET 16
102 #define MLX5E_NUM_MAIN_GROUPS 9
104 static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size)
107 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
108 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW,
111 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES,
116 static inline int mlx5_min_log_rq_size(int wq_type)
119 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
120 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW;
122 return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE;
126 static inline int mlx5_max_log_rq_size(int wq_type)
129 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
130 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW;
132 return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
137 MLX5E_INLINE_MODE_L2,
138 MLX5E_INLINE_MODE_VPORT_CONTEXT,
139 MLX5_INLINE_MODE_NOT_REQUIRED,
142 struct mlx5e_tx_wqe {
143 struct mlx5_wqe_ctrl_seg ctrl;
144 struct mlx5_wqe_eth_seg eth;
147 struct mlx5e_rx_wqe {
148 struct mlx5_wqe_srq_next_seg next;
149 struct mlx5_wqe_data_seg data;
152 struct mlx5e_umr_wqe {
153 struct mlx5_wqe_ctrl_seg ctrl;
154 struct mlx5_wqe_umr_ctrl_seg uctrl;
155 struct mlx5_mkey_seg mkc;
156 struct mlx5_wqe_data_seg data;
159 static const char mlx5e_priv_flags[][ETH_GSTRING_LEN] = {
163 enum mlx5e_priv_flag {
164 MLX5E_PFLAG_RX_CQE_BASED_MODER = (1 << 0),
167 #define MLX5E_SET_PRIV_FLAG(priv, pflag, enable) \
170 priv->pflags |= pflag; \
172 priv->pflags &= ~pflag; \
175 #ifdef CONFIG_MLX5_CORE_EN_DCB
176 #define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
179 struct mlx5e_cq_moder {
184 struct mlx5e_params {
187 u8 mpwqe_log_stride_sz;
188 u8 mpwqe_log_num_strides;
192 u8 rx_cq_period_mode;
193 bool rx_cqe_compress_admin;
194 bool rx_cqe_compress;
195 struct mlx5e_cq_moder rx_cq_moderation;
196 struct mlx5e_cq_moder tx_cq_moderation;
201 u8 tx_min_inline_mode;
203 u8 toeplitz_hash_key[40];
204 u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
205 bool vlan_strip_disable;
206 #ifdef CONFIG_MLX5_CORE_EN_DCB
212 struct mlx5e_tstamp {
214 struct cyclecounter cycles;
215 struct timecounter clock;
216 struct hwtstamp_config hwtstamp_config;
218 unsigned long overflow_period;
219 struct delayed_work overflow_work;
220 struct mlx5_core_dev *mdev;
221 struct ptp_clock *ptp;
222 struct ptp_clock_info ptp_info;
226 MLX5E_RQ_STATE_FLUSH,
227 MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS,
232 /* data path - accessed per cqe */
235 /* data path - accessed per napi poll */
237 struct napi_struct *napi;
238 struct mlx5_core_cq mcq;
239 struct mlx5e_channel *channel;
240 struct mlx5e_priv *priv;
242 /* cqe decompression */
243 struct mlx5_cqe64 title;
244 struct mlx5_mini_cqe8 mini_arr[MLX5_MINI_CQE_ARRAY_SIZE];
247 u16 decmprs_wqe_counter;
250 struct mlx5_wq_ctrl wq_ctrl;
251 } ____cacheline_aligned_in_smp;
254 typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq *rq,
255 struct mlx5_cqe64 *cqe);
256 typedef int (*mlx5e_fp_alloc_wqe)(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe,
259 typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq *rq, u16 ix);
261 struct mlx5e_dma_info {
266 struct mlx5e_rx_am_stats {
267 int ppms; /* packets per msec */
268 int epms; /* events per msec */
271 struct mlx5e_rx_am_sample {
273 unsigned int pkt_ctr;
277 struct mlx5e_rx_am { /* Adaptive Moderation */
279 struct mlx5e_rx_am_stats prev_stats;
280 struct mlx5e_rx_am_sample start_sample;
281 struct work_struct work;
292 struct mlx5_wq_ll wq;
294 struct sk_buff **skb;
295 struct mlx5e_mpw_info *wqe_info;
300 struct net_device *netdev;
301 struct mlx5e_tstamp *tstamp;
302 struct mlx5e_rq_stats stats;
304 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
305 mlx5e_fp_alloc_wqe alloc_wqe;
306 mlx5e_fp_dealloc_wqe dealloc_wqe;
310 u32 mpwqe_mtt_offset;
312 struct mlx5e_rx_am am; /* Adaptive Moderation */
315 struct mlx5_wq_ctrl wq_ctrl;
318 u32 mpwqe_num_strides;
320 struct mlx5e_channel *channel;
321 struct mlx5e_priv *priv;
322 } ____cacheline_aligned_in_smp;
324 struct mlx5e_umr_dma_info {
327 struct mlx5e_dma_info dma_info[MLX5_MPWRQ_PAGES_PER_WQE];
328 struct mlx5e_umr_wqe wqe;
331 struct mlx5e_mpw_info {
332 struct mlx5e_umr_dma_info umr;
333 u16 consumed_strides;
334 u16 skbs_frags[MLX5_MPWRQ_PAGES_PER_WQE];
337 struct mlx5e_tx_wqe_info {
343 enum mlx5e_dma_map_type {
344 MLX5E_DMA_MAP_SINGLE,
348 struct mlx5e_sq_dma {
351 enum mlx5e_dma_map_type type;
355 MLX5E_SQ_STATE_FLUSH,
356 MLX5E_SQ_STATE_BF_ENABLE,
359 struct mlx5e_ico_wqe_info {
367 /* dirtied @completion */
372 u16 pc ____cacheline_aligned_in_smp;
377 struct mlx5e_sq_stats stats;
381 /* pointers to per packet info: write@xmit, read@completion */
382 struct sk_buff **skb;
383 struct mlx5e_sq_dma *dma_fifo;
384 struct mlx5e_tx_wqe_info *wqe_info;
387 struct mlx5_wq_cyc wq;
389 void __iomem *uar_map;
390 struct netdev_queue *txq;
397 struct mlx5e_tstamp *tstamp;
402 struct mlx5_wq_ctrl wq_ctrl;
404 struct mlx5e_channel *channel;
406 struct mlx5e_ico_wqe_info *ico_wqe_info;
408 } ____cacheline_aligned_in_smp;
410 static inline bool mlx5e_sq_has_room_for(struct mlx5e_sq *sq, u16 n)
412 return (((sq->wq.sz_m1 & (sq->cc - sq->pc)) >= n) ||
417 MLX5E_CHANNEL_NAPI_SCHED = 1,
420 struct mlx5e_channel {
423 struct mlx5e_sq sq[MLX5E_MAX_NUM_TC];
424 struct mlx5e_sq icosq; /* internal control operations */
425 struct napi_struct napi;
427 struct net_device *netdev;
433 struct mlx5e_priv *priv;
438 enum mlx5e_traffic_types {
443 MLX5E_TT_IPV4_IPSEC_AH,
444 MLX5E_TT_IPV6_IPSEC_AH,
445 MLX5E_TT_IPV4_IPSEC_ESP,
446 MLX5E_TT_IPV6_IPSEC_ESP,
451 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
455 MLX5E_STATE_ASYNC_EVENTS_ENABLED,
457 MLX5E_STATE_DESTROYING,
460 struct mlx5e_vxlan_db {
461 spinlock_t lock; /* protect vxlan table */
462 struct radix_tree_root tree;
465 struct mlx5e_l2_rule {
466 u8 addr[ETH_ALEN + 2];
467 struct mlx5_flow_rule *rule;
470 struct mlx5e_flow_table {
472 struct mlx5_flow_table *t;
473 struct mlx5_flow_group **g;
476 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
478 struct mlx5e_tc_table {
479 struct mlx5_flow_table *t;
481 struct rhashtable_params ht_params;
482 struct rhashtable ht;
485 struct mlx5e_vlan_table {
486 struct mlx5e_flow_table ft;
487 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
488 struct mlx5_flow_rule *active_vlans_rule[VLAN_N_VID];
489 struct mlx5_flow_rule *untagged_rule;
490 struct mlx5_flow_rule *any_vlan_rule;
491 bool filter_disabled;
494 struct mlx5e_l2_table {
495 struct mlx5e_flow_table ft;
496 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
497 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
498 struct mlx5e_l2_rule broadcast;
499 struct mlx5e_l2_rule allmulti;
500 struct mlx5e_l2_rule promisc;
501 bool broadcast_enabled;
502 bool allmulti_enabled;
503 bool promisc_enabled;
506 /* L3/L4 traffic type classifier */
507 struct mlx5e_ttc_table {
508 struct mlx5e_flow_table ft;
509 struct mlx5_flow_rule *rules[MLX5E_NUM_TT];
512 #define ARFS_HASH_SHIFT BITS_PER_BYTE
513 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
515 struct mlx5e_flow_table ft;
516 struct mlx5_flow_rule *default_rule;
517 struct hlist_head rules_hash[ARFS_HASH_SIZE];
528 struct mlx5e_arfs_tables {
529 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
530 /* Protect aRFS rules list */
531 spinlock_t arfs_lock;
532 struct list_head rules;
534 struct workqueue_struct *wq;
539 MLX5E_VLAN_FT_LEVEL = 0,
545 struct mlx5e_ethtool_table {
546 struct mlx5_flow_table *ft;
550 #define ETHTOOL_NUM_L3_L4_FTS 7
551 #define ETHTOOL_NUM_L2_FTS 4
553 struct mlx5e_ethtool_steering {
554 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
555 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
556 struct list_head rules;
560 struct mlx5e_flow_steering {
561 struct mlx5_flow_namespace *ns;
562 struct mlx5e_ethtool_steering ethtool;
563 struct mlx5e_tc_table tc;
564 struct mlx5e_vlan_table vlan;
565 struct mlx5e_l2_table l2;
566 struct mlx5e_ttc_table ttc;
567 struct mlx5e_arfs_tables arfs;
577 struct mlx5e_rqt rqt;
578 struct list_head list;
586 struct mlx5e_profile {
587 void (*init)(struct mlx5_core_dev *mdev,
588 struct net_device *netdev,
589 const struct mlx5e_profile *profile, void *ppriv);
590 void (*cleanup)(struct mlx5e_priv *priv);
591 int (*init_rx)(struct mlx5e_priv *priv);
592 void (*cleanup_rx)(struct mlx5e_priv *priv);
593 int (*init_tx)(struct mlx5e_priv *priv);
594 void (*cleanup_tx)(struct mlx5e_priv *priv);
595 void (*enable)(struct mlx5e_priv *priv);
596 void (*disable)(struct mlx5e_priv *priv);
597 void (*update_stats)(struct mlx5e_priv *priv);
598 int (*max_nch)(struct mlx5_core_dev *mdev);
603 /* priv data path fields - start */
604 struct mlx5e_sq **txq_to_sq_map;
605 int channeltc_to_txq_map[MLX5E_MAX_NUM_CHANNELS][MLX5E_MAX_NUM_TC];
606 /* priv data path fields - end */
609 struct mutex state_lock; /* Protects Interface state */
610 struct mlx5_core_mkey umr_mkey;
611 struct mlx5e_rq drop_rq;
613 struct mlx5e_channel **channel;
614 u32 tisn[MLX5E_MAX_NUM_TC];
615 struct mlx5e_rqt indir_rqt;
616 struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
617 struct mlx5e_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
618 u32 tx_rates[MLX5E_MAX_NUM_SQS];
620 struct mlx5e_flow_steering fs;
621 struct mlx5e_vxlan_db vxlan;
623 struct mlx5e_params params;
624 struct workqueue_struct *wq;
625 struct work_struct update_carrier_work;
626 struct work_struct set_rx_mode_work;
627 struct work_struct tx_timeout_work;
628 struct delayed_work update_stats_work;
631 struct mlx5_core_dev *mdev;
632 struct net_device *netdev;
633 struct mlx5e_stats stats;
634 struct mlx5e_tstamp tstamp;
636 const struct mlx5e_profile *profile;
640 void mlx5e_build_ptys2ethtool_map(void);
642 void mlx5e_send_nop(struct mlx5e_sq *sq, bool notify_hw);
643 u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
644 void *accel_priv, select_queue_fallback_t fallback);
645 netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
647 void mlx5e_completion_event(struct mlx5_core_cq *mcq);
648 void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
649 int mlx5e_napi_poll(struct napi_struct *napi, int budget);
650 bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
651 int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
652 void mlx5e_free_tx_descs(struct mlx5e_sq *sq);
654 void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
655 void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
656 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
657 int mlx5e_alloc_rx_wqe(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe, u16 ix);
658 int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe, u16 ix);
659 void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
660 void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
661 void mlx5e_post_rx_mpwqe(struct mlx5e_rq *rq);
662 void mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi);
663 struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq);
665 void mlx5e_rx_am(struct mlx5e_rq *rq);
666 void mlx5e_rx_am_work(struct work_struct *work);
667 struct mlx5e_cq_moder mlx5e_am_get_def_profile(u8 rx_cq_period_mode);
669 void mlx5e_update_stats(struct mlx5e_priv *priv);
671 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
672 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
673 void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
674 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
675 int mlx5e_ethtool_get_flow(struct mlx5e_priv *priv, struct ethtool_rxnfc *info,
677 int mlx5e_ethtool_get_all_flows(struct mlx5e_priv *priv,
678 struct ethtool_rxnfc *info, u32 *rule_locs);
679 int mlx5e_ethtool_flow_replace(struct mlx5e_priv *priv,
680 struct ethtool_rx_flow_spec *fs);
681 int mlx5e_ethtool_flow_remove(struct mlx5e_priv *priv,
683 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
684 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
685 void mlx5e_set_rx_mode_work(struct work_struct *work);
687 void mlx5e_fill_hwstamp(struct mlx5e_tstamp *clock, u64 timestamp,
688 struct skb_shared_hwtstamps *hwts);
689 void mlx5e_timestamp_init(struct mlx5e_priv *priv);
690 void mlx5e_timestamp_cleanup(struct mlx5e_priv *priv);
691 int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr);
692 int mlx5e_hwstamp_get(struct net_device *dev, struct ifreq *ifr);
693 void mlx5e_modify_rx_cqe_compression(struct mlx5e_priv *priv, bool val);
695 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
697 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
699 void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv);
700 void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv);
702 int mlx5e_modify_rqs_vsd(struct mlx5e_priv *priv, bool vsd);
704 int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz, int ix);
705 void mlx5e_build_tir_ctx_hash(void *tirc, struct mlx5e_priv *priv);
707 int mlx5e_open_locked(struct net_device *netdev);
708 int mlx5e_close_locked(struct net_device *netdev);
709 void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev,
710 u32 *indirection_rqt, int len,
712 int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
714 void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
717 static inline void mlx5e_tx_notify_hw(struct mlx5e_sq *sq,
718 struct mlx5_wqe_ctrl_seg *ctrl, int bf_sz)
720 u16 ofst = MLX5_BF_OFFSET + sq->bf_offset;
722 /* ensure wqe is visible to device before updating doorbell record */
725 *sq->wq.db = cpu_to_be32(sq->pc);
727 /* ensure doorbell record is visible to device before ringing the
732 __iowrite64_copy(sq->uar_map + ofst, ctrl, bf_sz);
734 mlx5_write64((__be32 *)ctrl, sq->uar_map + ofst, NULL);
735 /* flush the write-combining mapped buffer */
738 sq->bf_offset ^= sq->bf_buf_size;
741 static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
743 struct mlx5_core_cq *mcq;
746 mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, NULL, cq->wq.cc);
749 static inline u32 mlx5e_get_wqe_mtt_offset(struct mlx5e_rq *rq, u16 wqe_ix)
751 return rq->mpwqe_mtt_offset +
752 wqe_ix * ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8);
755 static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
757 return min_t(int, mdev->priv.eq_table.num_comp_vectors,
758 MLX5E_MAX_NUM_CHANNELS);
761 extern const struct ethtool_ops mlx5e_ethtool_ops;
762 #ifdef CONFIG_MLX5_CORE_EN_DCB
763 extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
764 int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
767 #ifndef CONFIG_RFS_ACCEL
768 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
773 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
775 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv)
780 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv)
785 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
786 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
787 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
788 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
789 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
790 u16 rxq_index, u32 flow_id);
793 u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev);
794 int mlx5e_create_tir(struct mlx5_core_dev *mdev,
795 struct mlx5e_tir *tir, u32 *in, int inlen);
796 void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
797 struct mlx5e_tir *tir);
798 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
799 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
800 int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5_core_dev *mdev);
802 struct mlx5_eswitch_rep;
803 int mlx5e_vport_rep_load(struct mlx5_eswitch *esw,
804 struct mlx5_eswitch_rep *rep);
805 void mlx5e_vport_rep_unload(struct mlx5_eswitch *esw,
806 struct mlx5_eswitch_rep *rep);
807 int mlx5e_nic_rep_load(struct mlx5_eswitch *esw, struct mlx5_eswitch_rep *rep);
808 void mlx5e_nic_rep_unload(struct mlx5_eswitch *esw,
809 struct mlx5_eswitch_rep *rep);
810 int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv);
811 void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv);
812 int mlx5e_attr_get(struct net_device *dev, struct switchdev_attr *attr);
814 int mlx5e_create_direct_rqts(struct mlx5e_priv *priv);
815 void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt);
816 int mlx5e_create_direct_tirs(struct mlx5e_priv *priv);
817 void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv);
818 int mlx5e_create_tises(struct mlx5e_priv *priv);
819 void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv);
820 int mlx5e_close(struct net_device *netdev);
821 int mlx5e_open(struct net_device *netdev);
822 void mlx5e_update_stats_work(struct work_struct *work);
823 struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev,
824 const struct mlx5e_profile *profile,
826 void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, struct mlx5e_priv *priv);
827 int mlx5e_attach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev);
828 void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev);
829 struct rtnl_link_stats64 *
830 mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats);
832 #endif /* __MLX5_EN_H__ */