diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mlx4_en.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index e132ff4c82f2..aab97694f86b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -49,6 +49,7 @@ #include <linux/ptp_clock_kernel.h> #include <linux/irq.h> #include <net/xdp.h> +#include <linux/notifier.h> #include <linux/mlx4/device.h> #include <linux/mlx4/qp.h> @@ -89,9 +90,19 @@ #define MLX4_EN_FILTER_HASH_SHIFT 4 #define MLX4_EN_FILTER_EXPIRY_QUOTA 60 -/* Typical TSO descriptor with 16 gather entries is 352 bytes... */ -#define MAX_DESC_SIZE 512 -#define MAX_DESC_TXBBS (MAX_DESC_SIZE / TXBB_SIZE) +#define CTRL_SIZE sizeof(struct mlx4_wqe_ctrl_seg) +#define DS_SIZE sizeof(struct mlx4_wqe_data_seg) + +/* Maximal size of the bounce buffer: + * 256 bytes for LSO headers. + * CTRL_SIZE for control desc. + * DS_SIZE if skb->head contains some payload. + * MAX_SKB_FRAGS frags. + */ +#define MLX4_TX_BOUNCE_BUFFER_SIZE \ + ALIGN(256 + CTRL_SIZE + DS_SIZE + MAX_SKB_FRAGS * DS_SIZE, TXBB_SIZE) + +#define MLX4_MAX_DESC_TXBBS (MLX4_TX_BOUNCE_BUFFER_SIZE / TXBB_SIZE) /* * OS related constants and tunables @@ -217,9 +228,7 @@ struct mlx4_en_tx_info { #define MLX4_EN_BIT_DESC_OWN 0x80000000 -#define CTRL_SIZE sizeof(struct mlx4_wqe_ctrl_seg) #define MLX4_EN_MEMTYPE_PAD 0x100 -#define DS_SIZE sizeof(struct mlx4_wqe_data_seg) struct mlx4_en_tx_desc { @@ -238,20 +247,11 @@ struct mlx4_en_tx_desc { struct mlx4_en_rx_alloc { struct page *page; - dma_addr_t dma; u32 page_offset; }; #define MLX4_EN_CACHE_SIZE (2 * NAPI_POLL_WEIGHT) -struct mlx4_en_page_cache { - u32 index; - struct { - struct page *page; - dma_addr_t dma; - } buf[MLX4_EN_CACHE_SIZE]; -}; - enum { MLX4_EN_TX_RING_STATE_RECOVERING, }; @@ -315,7 +315,7 @@ struct mlx4_en_tx_ring { struct mlx4_en_rx_desc { /* actual number of entries depends on rx ring stride */ - struct mlx4_wqe_data_seg data[0]; + DECLARE_FLEX_ARRAY(struct mlx4_wqe_data_seg, data); }; struct mlx4_en_rx_ring { @@ -326,14 +326,14 @@ struct mlx4_en_rx_ring { u16 stride; u16 log_stride; u16 cqn; /* index of port CQ associated with this ring */ + u8 fcs_del; u32 prod; u32 cons; u32 buf_size; - u8 fcs_del; + struct page_pool *pp; void *buf; void *rx_info; struct bpf_prog __rcu *xdp_prog; - struct mlx4_en_page_cache page_cache; unsigned long bytes; unsigned long packets; unsigned long csum_ok; @@ -346,6 +346,7 @@ struct mlx4_en_rx_ring { unsigned long xdp_tx; unsigned long xdp_tx_full; unsigned long dropped; + unsigned long alloc_fail; int hwtstamp_rx_filter; cpumask_var_t affinity_mask; struct xdp_rxq_info xdp_rxq; @@ -370,6 +371,7 @@ struct mlx4_en_cq { #define MLX4_EN_OPCODE_ERROR 0x1e const struct cpumask *aff_mask; + int cq_idx; }; struct mlx4_en_port_profile { @@ -386,7 +388,7 @@ struct mlx4_en_port_profile { u8 num_up; int rss_rings; int inline_thold; - struct hwtstamp_config hwtstamp_config; + struct kernel_hwtstamp_config hwtstamp_config; }; struct mlx4_en_profile { @@ -424,7 +426,8 @@ struct mlx4_en_dev { unsigned long last_overflow_check; struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_clock_info; - struct notifier_block nb; + struct notifier_block netdev_nb; + struct notifier_block mlx_nb; }; @@ -609,7 +612,7 @@ struct mlx4_en_priv { bool wol; struct device *ddev; struct hlist_head mac_hash[MLX4_EN_MAC_HASH_SIZE]; - struct hwtstamp_config hwtstamp_config; + struct kernel_hwtstamp_config hwtstamp_config; u32 counter_index; #ifdef CONFIG_MLX4_EN_DCB @@ -695,8 +698,6 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_ring *rx_ring, struct mlx4_en_priv *priv, unsigned int length, int tx_ind, bool *doorbell_pending); void mlx4_en_xmit_doorbell(struct mlx4_en_tx_ring *ring); -bool mlx4_en_rx_recycle(struct mlx4_en_rx_ring *ring, - struct mlx4_en_rx_alloc *frame); int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring **pring, @@ -779,7 +780,7 @@ void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev); int mlx4_en_moderation_update(struct mlx4_en_priv *priv); int mlx4_en_reset_config(struct net_device *dev, - struct hwtstamp_config ts_config, + struct kernel_hwtstamp_config *ts_config, netdev_features_t new_features); void mlx4_en_update_pfc_stats_bitmap(struct mlx4_dev *dev, struct mlx4_en_stats_bitmap *stats_bitmap, @@ -788,10 +789,16 @@ void mlx4_en_update_pfc_stats_bitmap(struct mlx4_dev *dev, int mlx4_en_netdev_event(struct notifier_block *this, unsigned long event, void *ptr); +struct xdp_md; +int mlx4_en_xdp_rx_timestamp(const struct xdp_md *ctx, u64 *timestamp); +int mlx4_en_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, + enum xdp_rss_hash_type *rss_type); + /* * Functions for time stamping */ u64 mlx4_en_get_cqe_ts(struct mlx4_cqe *cqe); +u64 mlx4_en_get_hwtstamp(struct mlx4_en_dev *mdev, u64 timestamp); void mlx4_en_fill_hwtstamps(struct mlx4_en_dev *mdev, struct skb_shared_hwtstamps *hwts, u64 timestamp); |