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/*
* Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __MLX5_EN_H__
#define __MLX5_EN_H__
#include <linux/if_vlan.h>
#include <linux/etherdevice.h>
#include <linux/timecounter.h>
#include <linux/net_tstamp.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/cq.h>
#include <linux/mlx5/port.h>
#include <linux/mlx5/vport.h>
#include <linux/mlx5/transobj.h>
#include <linux/rhashtable.h>
#include "wq.h"
#include "mlx5_core.h"
#include "en_stats.h"
#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
#define MLX5E_MAX_NUM_TC 8
#define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6
#define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
#define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd
#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE 0x1
#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd
#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x1
#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x4
#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6
#define MLX5_MPWRQ_LOG_NUM_STRIDES 11 /* >= 9, HW restriction */
#define MLX5_MPWRQ_LOG_STRIDE_SIZE 6 /* >= 6, HW restriction */
#define MLX5_MPWRQ_NUM_STRIDES BIT(MLX5_MPWRQ_LOG_NUM_STRIDES)
#define MLX5_MPWRQ_STRIDE_SIZE BIT(MLX5_MPWRQ_LOG_STRIDE_SIZE)
#define MLX5_MPWRQ_LOG_WQE_SZ (MLX5_MPWRQ_LOG_NUM_STRIDES +\
MLX5_MPWRQ_LOG_STRIDE_SIZE)
#define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
#define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
#define MLX5_MPWRQ_STRIDES_PER_PAGE (MLX5_MPWRQ_NUM_STRIDES >> \
MLX5_MPWRQ_WQE_PAGE_ORDER)
#define MLX5_CHANNEL_MAX_NUM_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8) * \
BIT(MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW))
#define MLX5_UMR_ALIGN (2048)
#define MLX5_MPWRQ_SMALL_PACKET_THRESHOLD (128)
#define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
#define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
#define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
#define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
#define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
#define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
#define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
#define MLX5E_LOG_INDIR_RQT_SIZE 0x7
#define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
#define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
#define MLX5E_TX_CQ_POLL_BUDGET 128
#define MLX5E_UPDATE_STATS_INTERVAL 200 /* msecs */
#define MLX5E_SQ_BF_BUDGET 16
#define MLX5E_NUM_MAIN_GROUPS 9
static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size)
{
switch (wq_type) {
case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW,
wq_size / 2);
default:
return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES,
wq_size / 2);
}
}
static inline int mlx5_min_log_rq_size(int wq_type)
{
switch (wq_type) {
case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW;
default:
return MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE;
}
}
static inline int mlx5_max_log_rq_size(int wq_type)
{
switch (wq_type) {
case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW;
default:
return MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
}
}
struct mlx5e_tx_wqe {
struct mlx5_wqe_ctrl_seg ctrl;
struct mlx5_wqe_eth_seg eth;
};
struct mlx5e_rx_wqe {
struct mlx5_wqe_srq_next_seg next;
struct mlx5_wqe_data_seg data;
};
struct mlx5e_umr_wqe {
struct mlx5_wqe_ctrl_seg ctrl;
struct mlx5_wqe_umr_ctrl_seg uctrl;
struct mlx5_mkey_seg mkc;
struct mlx5_wqe_data_seg data;
};
#ifdef CONFIG_MLX5_CORE_EN_DCB
#define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
#define MLX5E_MIN_BW_ALLOC 1 /* Min percentage of BW allocation */
#endif
struct mlx5e_params {
u8 log_sq_size;
u8 rq_wq_type;
u8 log_rq_size;
u16 num_channels;
u8 num_tc;
u16 rx_cq_moderation_usec;
u16 rx_cq_moderation_pkts;
u16 tx_cq_moderation_usec;
u16 tx_cq_moderation_pkts;
u16 min_rx_wqes;
bool lro_en;
u32 lro_wqe_sz;
u16 tx_max_inline;
u8 rss_hfunc;
u8 toeplitz_hash_key[40];
u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
bool vlan_strip_disable;
#ifdef CONFIG_MLX5_CORE_EN_DCB
struct ieee_ets ets;
#endif
};
struct mlx5e_tstamp {
rwlock_t lock;
struct cyclecounter cycles;
struct timecounter clock;
struct hwtstamp_config hwtstamp_config;
u32 nominal_c_mult;
unsigned long overflow_period;
struct delayed_work overflow_work;
struct mlx5_core_dev *mdev;
struct ptp_clock *ptp;
struct ptp_clock_info ptp_info;
};
enum {
MLX5E_RQ_STATE_POST_WQES_ENABLE,
MLX5E_RQ_STATE_UMR_WQE_IN_PROGRESS,
};
struct mlx5e_cq {
/* data path - accessed per cqe */
struct mlx5_cqwq wq;
/* data path - accessed per napi poll */
struct napi_struct *napi;
struct mlx5_core_cq mcq;
struct mlx5e_channel *channel;
struct mlx5e_priv *priv;
/* control */
struct mlx5_wq_ctrl wq_ctrl;
} ____cacheline_aligned_in_smp;
struct mlx5e_rq;
typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq *rq,
struct mlx5_cqe64 *cqe);
typedef int (*mlx5e_fp_alloc_wqe)(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe,
u16 ix);
struct mlx5e_dma_info {
struct page *page;
dma_addr_t addr;
};
struct mlx5e_rq {
/* data path */
struct mlx5_wq_ll wq;
u32 wqe_sz;
struct sk_buff **skb;
struct mlx5e_mpw_info *wqe_info;
__be32 mkey_be;
__be32 umr_mkey_be;
struct device *pdev;
struct net_device *netdev;
struct mlx5e_tstamp *tstamp;
struct mlx5e_rq_stats stats;
struct mlx5e_cq cq;
mlx5e_fp_handle_rx_cqe handle_rx_cqe;
mlx5e_fp_alloc_wqe alloc_wqe;
unsigned long state;
int ix;
/* control */
struct mlx5_wq_ctrl wq_ctrl;
u8 wq_type;
u32 rqn;
struct mlx5e_channel *channel;
struct mlx5e_priv *priv;
} ____cacheline_aligned_in_smp;
struct mlx5e_umr_dma_info {
__be64 *mtt;
__be64 *mtt_no_align;
dma_addr_t mtt_addr;
struct mlx5e_dma_info *dma_info;
};
struct mlx5e_mpw_info {
union {
struct mlx5e_dma_info dma_info;
struct mlx5e_umr_dma_info umr;
};
u16 consumed_strides;
u16 skbs_frags[MLX5_MPWRQ_PAGES_PER_WQE];
void (*dma_pre_sync)(struct device *pdev,
struct mlx5e_mpw_info *wi,
u32 wqe_offset, u32 len);
void (*add_skb_frag)(struct device *pdev,
struct sk_buff *skb,
struct mlx5e_mpw_info *wi,
u32 page_idx, u32 frag_offset, u32 len);
void (*copy_skb_header)(struct device *pdev,
struct sk_buff *skb,
struct mlx5e_mpw_info *wi,
u32 page_idx, u32 offset,
u32 headlen);
void (*free_wqe)(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi);
};
struct mlx5e_tx_wqe_info {
u32 num_bytes;
u8 num_wqebbs;
u8 num_dma;
};
enum mlx5e_dma_map_type {
MLX5E_DMA_MAP_SINGLE,
MLX5E_DMA_MAP_PAGE
};
struct mlx5e_sq_dma {
dma_addr_t addr;
u32 size;
enum mlx5e_dma_map_type type;
};
enum {
MLX5E_SQ_STATE_WAKE_TXQ_ENABLE,
MLX5E_SQ_STATE_BF_ENABLE,
};
struct mlx5e_ico_wqe_info {
u8 opcode;
u8 num_wqebbs;
};
struct mlx5e_sq {
/* data path */
/* dirtied @completion */
u16 cc;
u32 dma_fifo_cc;
/* dirtied @xmit */
u16 pc ____cacheline_aligned_in_smp;
u32 dma_fifo_pc;
u16 bf_offset;
u16 prev_cc;
u8 bf_budget;
struct mlx5e_sq_stats stats;
struct mlx5e_cq cq;
/* pointers to per packet info: write@xmit, read@completion */
struct sk_buff **skb;
struct mlx5e_sq_dma *dma_fifo;
struct mlx5e_tx_wqe_info *wqe_info;
/* read only */
struct mlx5_wq_cyc wq;
u32 dma_fifo_mask;
void __iomem *uar_map;
struct netdev_queue *txq;
u32 sqn;
u16 bf_buf_size;
u16 max_inline;
u16 edge;
struct device *pdev;
struct mlx5e_tstamp *tstamp;
__be32 mkey_be;
unsigned long state;
/* control path */
struct mlx5_wq_ctrl wq_ctrl;
struct mlx5_uar uar;
struct mlx5e_channel *channel;
int tc;
struct mlx5e_ico_wqe_info *ico_wqe_info;
} ____cacheline_aligned_in_smp;
static inline bool mlx5e_sq_has_room_for(struct mlx5e_sq *sq, u16 n)
{
return (((sq->wq.sz_m1 & (sq->cc - sq->pc)) >= n) ||
(sq->cc == sq->pc));
}
enum channel_flags {
MLX5E_CHANNEL_NAPI_SCHED = 1,
};
struct mlx5e_channel {
/* data path */
struct mlx5e_rq rq;
struct mlx5e_sq sq[MLX5E_MAX_NUM_TC];
struct mlx5e_sq icosq; /* internal control operations */
struct napi_struct napi;
struct device *pdev;
struct net_device *netdev;
__be32 mkey_be;
u8 num_tc;
unsigned long flags;
/* control */
struct mlx5e_priv *priv;
int ix;
int cpu;
};
enum mlx5e_traffic_types {
MLX5E_TT_IPV4_TCP,
MLX5E_TT_IPV6_TCP,
MLX5E_TT_IPV4_UDP,
MLX5E_TT_IPV6_UDP,
MLX5E_TT_IPV4_IPSEC_AH,
MLX5E_TT_IPV6_IPSEC_AH,
MLX5E_TT_IPV4_IPSEC_ESP,
MLX5E_TT_IPV6_IPSEC_ESP,
MLX5E_TT_IPV4,
MLX5E_TT_IPV6,
MLX5E_TT_ANY,
MLX5E_NUM_TT,
MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
};
enum {
MLX5E_STATE_ASYNC_EVENTS_ENABLE,
MLX5E_STATE_OPENED,
MLX5E_STATE_DESTROYING,
};
struct mlx5e_vxlan_db {
spinlock_t lock; /* protect vxlan table */
struct radix_tree_root tree;
};
struct mlx5e_l2_rule {
u8 addr[ETH_ALEN + 2];
struct mlx5_flow_rule *rule;
};
struct mlx5e_flow_table {
int num_groups;
struct mlx5_flow_table *t;
struct mlx5_flow_group **g;
};
#define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
struct mlx5e_tc_table {
struct mlx5_flow_table *t;
struct rhashtable_params ht_params;
struct rhashtable ht;
};
struct mlx5e_vlan_table {
struct mlx5e_flow_table ft;
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct mlx5_flow_rule *active_vlans_rule[VLAN_N_VID];
struct mlx5_flow_rule *untagged_rule;
struct mlx5_flow_rule *any_vlan_rule;
bool filter_disabled;
};
struct mlx5e_l2_table {
struct mlx5e_flow_table ft;
struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
struct mlx5e_l2_rule broadcast;
struct mlx5e_l2_rule allmulti;
struct mlx5e_l2_rule promisc;
bool broadcast_enabled;
bool allmulti_enabled;
bool promisc_enabled;
};
/* L3/L4 traffic type classifier */
struct mlx5e_ttc_table {
struct mlx5e_flow_table ft;
struct mlx5_flow_rule *rules[MLX5E_NUM_TT];
};
#define ARFS_HASH_SHIFT BITS_PER_BYTE
#define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
struct arfs_table {
struct mlx5e_flow_table ft;
struct mlx5_flow_rule *default_rule;
struct hlist_head rules_hash[ARFS_HASH_SIZE];
};
enum arfs_type {
ARFS_IPV4_TCP,
ARFS_IPV6_TCP,
ARFS_IPV4_UDP,
ARFS_IPV6_UDP,
ARFS_NUM_TYPES,
};
struct mlx5e_arfs_tables {
struct arfs_table arfs_tables[ARFS_NUM_TYPES];
/* Protect aRFS rules list */
spinlock_t arfs_lock;
struct list_head rules;
int last_filter_id;
struct workqueue_struct *wq;
};
/* NIC prio FTS */
enum {
MLX5E_VLAN_FT_LEVEL = 0,
MLX5E_L2_FT_LEVEL,
MLX5E_TTC_FT_LEVEL,
MLX5E_ARFS_FT_LEVEL
};
struct mlx5e_flow_steering {
struct mlx5_flow_namespace *ns;
struct mlx5e_tc_table tc;
struct mlx5e_vlan_table vlan;
struct mlx5e_l2_table l2;
struct mlx5e_ttc_table ttc;
struct mlx5e_arfs_tables arfs;
};
struct mlx5e_direct_tir {
u32 tirn;
u32 rqtn;
};
enum {
MLX5E_TC_PRIO = 0,
MLX5E_NIC_PRIO
};
struct mlx5e_priv {
/* priv data path fields - start */
struct mlx5e_sq **txq_to_sq_map;
int channeltc_to_txq_map[MLX5E_MAX_NUM_CHANNELS][MLX5E_MAX_NUM_TC];
/* priv data path fields - end */
unsigned long state;
struct mutex state_lock; /* Protects Interface state */
struct mlx5_uar cq_uar;
u32 pdn;
u32 tdn;
struct mlx5_core_mkey mkey;
struct mlx5_core_mkey umr_mkey;
struct mlx5e_rq drop_rq;
struct mlx5e_channel **channel;
u32 tisn[MLX5E_MAX_NUM_TC];
u32 indir_rqtn;
u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
struct mlx5e_direct_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
struct mlx5e_flow_steering fs;
struct mlx5e_vxlan_db vxlan;
struct mlx5e_params params;
struct work_struct update_carrier_work;
struct work_struct set_rx_mode_work;
struct delayed_work update_stats_work;
struct mlx5_core_dev *mdev;
struct net_device *netdev;
struct mlx5e_stats stats;
struct mlx5e_tstamp tstamp;
u16 q_counter;
};
enum mlx5e_link_mode {
MLX5E_1000BASE_CX_SGMII = 0,
MLX5E_1000BASE_KX = 1,
MLX5E_10GBASE_CX4 = 2,
MLX5E_10GBASE_KX4 = 3,
MLX5E_10GBASE_KR = 4,
MLX5E_20GBASE_KR2 = 5,
MLX5E_40GBASE_CR4 = 6,
MLX5E_40GBASE_KR4 = 7,
MLX5E_56GBASE_R4 = 8,
MLX5E_10GBASE_CR = 12,
MLX5E_10GBASE_SR = 13,
MLX5E_10GBASE_ER = 14,
MLX5E_40GBASE_SR4 = 15,
MLX5E_40GBASE_LR4 = 16,
MLX5E_100GBASE_CR4 = 20,
MLX5E_100GBASE_SR4 = 21,
MLX5E_100GBASE_KR4 = 22,
MLX5E_100GBASE_LR4 = 23,
MLX5E_100BASE_TX = 24,
MLX5E_1000BASE_T = 25,
MLX5E_10GBASE_T = 26,
MLX5E_25GBASE_CR = 27,
MLX5E_25GBASE_KR = 28,
MLX5E_25GBASE_SR = 29,
MLX5E_50GBASE_CR2 = 30,
MLX5E_50GBASE_KR2 = 31,
MLX5E_LINK_MODES_NUMBER,
};
#define MLX5E_PROT_MASK(link_mode) (1 << link_mode)
void mlx5e_send_nop(struct mlx5e_sq *sq, bool notify_hw);
u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
void *accel_priv, select_queue_fallback_t fallback);
netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
void mlx5e_completion_event(struct mlx5_core_cq *mcq);
void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
int mlx5e_napi_poll(struct napi_struct *napi, int budget);
bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
int mlx5e_alloc_rx_wqe(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe, u16 ix);
int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_rx_wqe *wqe, u16 ix);
void mlx5e_post_rx_fragmented_mpwqe(struct mlx5e_rq *rq);
void mlx5e_complete_rx_linear_mpwqe(struct mlx5e_rq *rq,
struct mlx5_cqe64 *cqe,
u16 byte_cnt,
struct mlx5e_mpw_info *wi,
struct sk_buff *skb);
void mlx5e_complete_rx_fragmented_mpwqe(struct mlx5e_rq *rq,
struct mlx5_cqe64 *cqe,
u16 byte_cnt,
struct mlx5e_mpw_info *wi,
struct sk_buff *skb);
void mlx5e_free_rx_linear_mpwqe(struct mlx5e_rq *rq,
struct mlx5e_mpw_info *wi);
void mlx5e_free_rx_fragmented_mpwqe(struct mlx5e_rq *rq,
struct mlx5e_mpw_info *wi);
struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq);
void mlx5e_update_stats(struct mlx5e_priv *priv);
int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
void mlx5e_set_rx_mode_work(struct work_struct *work);
void mlx5e_fill_hwstamp(struct mlx5e_tstamp *clock, u64 timestamp,
struct skb_shared_hwtstamps *hwts);
void mlx5e_timestamp_init(struct mlx5e_priv *priv);
void mlx5e_timestamp_cleanup(struct mlx5e_priv *priv);
int mlx5e_hwstamp_set(struct net_device *dev, struct ifreq *ifr);
int mlx5e_hwstamp_get(struct net_device *dev, struct ifreq *ifr);
int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
u16 vid);
int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
u16 vid);
void mlx5e_enable_vlan_filter(struct mlx5e_priv *priv);
void mlx5e_disable_vlan_filter(struct mlx5e_priv *priv);
int mlx5e_modify_rqs_vsd(struct mlx5e_priv *priv, bool vsd);
int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz, int ix);
void mlx5e_build_tir_ctx_hash(void *tirc, struct mlx5e_priv *priv);
int mlx5e_open_locked(struct net_device *netdev);
int mlx5e_close_locked(struct net_device *netdev);
void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev,
u32 *indirection_rqt, int len,
int num_channels);
static inline void mlx5e_tx_notify_hw(struct mlx5e_sq *sq,
struct mlx5_wqe_ctrl_seg *ctrl, int bf_sz)
{
u16 ofst = MLX5_BF_OFFSET + sq->bf_offset;
/* ensure wqe is visible to device before updating doorbell record */
dma_wmb();
*sq->wq.db = cpu_to_be32(sq->pc);
/* ensure doorbell record is visible to device before ringing the
* doorbell
*/
wmb();
if (bf_sz)
__iowrite64_copy(sq->uar_map + ofst, ctrl, bf_sz);
else
mlx5_write64((__be32 *)ctrl, sq->uar_map + ofst, NULL);
/* flush the write-combining mapped buffer */
wmb();
sq->bf_offset ^= sq->bf_buf_size;
}
static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
{
struct mlx5_core_cq *mcq;
mcq = &cq->mcq;
mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, NULL, cq->wq.cc);
}
static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
{
return min_t(int, mdev->priv.eq_table.num_comp_vectors,
MLX5E_MAX_NUM_CHANNELS);
}
static inline int mlx5e_get_mtt_octw(int npages)
{
return ALIGN(npages, 8) / 2;
}
extern const struct ethtool_ops mlx5e_ethtool_ops;
#ifdef CONFIG_MLX5_CORE_EN_DCB
extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
#endif
#ifndef CONFIG_RFS_ACCEL
static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
{
return 0;
}
static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
#else
int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
u16 rxq_index, u32 flow_id);
#endif
u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev);
#endif /* __MLX5_EN_H__ */
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