diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en.h')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 61 |
1 files changed, 38 insertions, 23 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 0cc2080fd847..2f05b0f9de01 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -91,7 +91,12 @@ struct page_pool; #define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER) #define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2) -#define MLX5E_REQUIRED_WQE_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8)) +/* Add another page to MLX5E_REQUIRED_WQE_MTTS as a buffer between + * WQEs, This page will absorb write overflow by the hardware, when + * receiving packets larger than MTU. These oversize packets are + * dropped by the driver at a later stage. + */ +#define MLX5E_REQUIRED_WQE_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE + 1, 8)) #define MLX5E_LOG_ALIGNED_MPWQE_PPW (ilog2(MLX5E_REQUIRED_WQE_MTTS)) #define MLX5E_REQUIRED_MTTS(wqes) (wqes * MLX5E_REQUIRED_WQE_MTTS) #define MLX5E_MAX_RQ_NUM_MTTS \ @@ -221,6 +226,7 @@ enum mlx5e_priv_flag { MLX5E_PFLAG_RX_STRIDING_RQ, MLX5E_PFLAG_RX_NO_CSUM_COMPLETE, MLX5E_PFLAG_XDP_TX_MPWQE, + MLX5E_PFLAG_SKB_TX_MPWQE, MLX5E_NUM_PFLAGS, /* Keep last */ }; @@ -265,6 +271,7 @@ enum { MLX5E_RQ_STATE_NO_CSUM_COMPLETE, MLX5E_RQ_STATE_CSUM_FULL, /* cqe_csum_full hw bit is set */ MLX5E_RQ_STATE_FPGA_TLS, /* FPGA TLS enabled */ + MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX /* set when mini_cqe_resp_stride_index cap is used */ }; struct mlx5e_cq { @@ -304,6 +311,7 @@ struct mlx5e_sq_dma { enum { MLX5E_SQ_STATE_ENABLED, + MLX5E_SQ_STATE_MPWQE, MLX5E_SQ_STATE_RECOVERING, MLX5E_SQ_STATE_IPSEC, MLX5E_SQ_STATE_AM, @@ -312,26 +320,40 @@ enum { MLX5E_SQ_STATE_PENDING_XSK_TX, }; +struct mlx5e_tx_mpwqe { + /* Current MPWQE session */ + struct mlx5e_tx_wqe *wqe; + u32 bytes_count; + u8 ds_count; + u8 pkt_count; + u8 inline_on; +}; + struct mlx5e_txqsq { /* data path */ /* dirtied @completion */ u16 cc; + u16 skb_fifo_cc; u32 dma_fifo_cc; struct dim dim; /* Adaptive Moderation */ /* dirtied @xmit */ u16 pc ____cacheline_aligned_in_smp; + u16 skb_fifo_pc; u32 dma_fifo_pc; + struct mlx5e_tx_mpwqe mpwqe; struct mlx5e_cq cq; /* read only */ struct mlx5_wq_cyc wq; u32 dma_fifo_mask; + u16 skb_fifo_mask; struct mlx5e_sq_stats *stats; struct { struct mlx5e_sq_dma *dma_fifo; + struct sk_buff **skb_fifo; struct mlx5e_tx_wqe_info *wqe_info; } db; void __iomem *uar_map; @@ -398,7 +420,7 @@ struct mlx5e_xdp_info { }; }; -struct mlx5e_xdp_xmit_data { +struct mlx5e_xmit_data { dma_addr_t dma_addr; void *data; u32 len; @@ -411,18 +433,10 @@ struct mlx5e_xdp_info_fifo { u32 mask; }; -struct mlx5e_xdp_mpwqe { - /* Current MPWQE session */ - struct mlx5e_tx_wqe *wqe; - u8 ds_count; - u8 pkt_count; - u8 inline_on; -}; - struct mlx5e_xdpsq; typedef int (*mlx5e_fp_xmit_xdp_frame_check)(struct mlx5e_xdpsq *); typedef bool (*mlx5e_fp_xmit_xdp_frame)(struct mlx5e_xdpsq *, - struct mlx5e_xdp_xmit_data *, + struct mlx5e_xmit_data *, struct mlx5e_xdp_info *, int); @@ -437,12 +451,12 @@ struct mlx5e_xdpsq { u32 xdpi_fifo_pc ____cacheline_aligned_in_smp; u16 pc; struct mlx5_wqe_ctrl_seg *doorbell_cseg; - struct mlx5e_xdp_mpwqe mpwqe; + struct mlx5e_tx_mpwqe mpwqe; struct mlx5e_cq cq; /* read only */ - struct xdp_umem *umem; + struct xsk_buff_pool *xsk_pool; struct mlx5_wq_cyc wq; struct mlx5e_xdpsq_stats *stats; mlx5e_fp_xmit_xdp_frame_check xmit_xdp_frame_check; @@ -600,13 +614,13 @@ struct mlx5e_rq { struct dim dim; /* Dynamic Interrupt Moderation */ /* XDP */ - struct bpf_prog *xdp_prog; + struct bpf_prog __rcu *xdp_prog; struct mlx5e_xdpsq *xdpsq; DECLARE_BITMAP(flags, 8); struct page_pool *page_pool; /* AF_XDP zero-copy */ - struct xdp_umem *umem; + struct xsk_buff_pool *xsk_pool; struct work_struct recover_work; @@ -617,6 +631,7 @@ struct mlx5e_rq { u32 rqn; struct mlx5_core_dev *mdev; struct mlx5_core_mkey umr_mkey; + struct mlx5e_dma_info wqe_overflow; /* XDP read-mostly */ struct xdp_rxq_info xdp_rxq; @@ -729,12 +744,13 @@ struct mlx5e_hv_vhca_stats_agent { #endif struct mlx5e_xsk { - /* UMEMs are stored separately from channels, because we don't want to - * lose them when channels are recreated. The kernel also stores UMEMs, - * but it doesn't distinguish between zero-copy and non-zero-copy UMEMs, - * so rely on our mechanism. + /* XSK buffer pools are stored separately from channels, + * because we don't want to lose them when channels are + * recreated. The kernel also stores buffer pool, but it doesn't + * distinguish between zero-copy and non-zero-copy UMEMs, so + * rely on our mechanism. */ - struct xdp_umem **umems; + struct xsk_buff_pool **pools; u16 refcnt; bool ever_used; }; @@ -893,7 +909,7 @@ struct mlx5e_xsk_param; struct mlx5e_rq_param; int mlx5e_open_rq(struct mlx5e_channel *c, struct mlx5e_params *params, struct mlx5e_rq_param *param, struct mlx5e_xsk_param *xsk, - struct xdp_umem *umem, struct mlx5e_rq *rq); + struct xsk_buff_pool *xsk_pool, struct mlx5e_rq *rq); int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq, int wait_time); void mlx5e_deactivate_rq(struct mlx5e_rq *rq); void mlx5e_close_rq(struct mlx5e_rq *rq); @@ -903,7 +919,7 @@ int mlx5e_open_icosq(struct mlx5e_channel *c, struct mlx5e_params *params, struct mlx5e_sq_param *param, struct mlx5e_icosq *sq); void mlx5e_close_icosq(struct mlx5e_icosq *sq); int mlx5e_open_xdpsq(struct mlx5e_channel *c, struct mlx5e_params *params, - struct mlx5e_sq_param *param, struct xdp_umem *umem, + struct mlx5e_sq_param *param, struct xsk_buff_pool *xsk_pool, struct mlx5e_xdpsq *sq, bool is_redirect); void mlx5e_close_xdpsq(struct mlx5e_xdpsq *sq); @@ -1005,7 +1021,6 @@ int mlx5e_update_nic_rx(struct mlx5e_priv *priv); void mlx5e_update_carrier(struct mlx5e_priv *priv); int mlx5e_close(struct net_device *netdev); int mlx5e_open(struct net_device *netdev); -void mlx5e_update_ndo_stats(struct mlx5e_priv *priv); void mlx5e_queue_update_stats(struct mlx5e_priv *priv); int mlx5e_bits_invert(unsigned long a, int size); |