From: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> Support RX hash and timestamp metadata kfuncs. We need to pass in the cqe pointer to the mlx5e_skb_from* functions so it can be retrieved from the XDP ctx to do this. Cc: Tariq Toukan <tariqt@xxxxxxxxxx> Cc: Saeed Mahameed <saeedm@xxxxxxxxxx> Cc: John Fastabend <john.fastabend@xxxxxxxxx> Cc: David Ahern <dsahern@xxxxxxxxx> Cc: Martin KaFai Lau <martin.lau@xxxxxxxxx> Cc: Jakub Kicinski <kuba@xxxxxxxxxx> Cc: Willem de Bruijn <willemb@xxxxxxxxxx> Cc: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> Cc: Anatoly Burakov <anatoly.burakov@xxxxxxxxx> Cc: Alexander Lobakin <alexandr.lobakin@xxxxxxxxx> Cc: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> Cc: Maryam Tahhan <mtahhan@xxxxxxxxxx> Cc: xdp-hints@xxxxxxxxxxxxxxx Cc: netdev@xxxxxxxxxxxxxxx Signed-off-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> Signed-off-by: Stanislav Fomichev <sdf@xxxxxxxxxx> --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 5 +- .../net/ethernet/mellanox/mlx5/core/en/txrx.h | 5 ++ .../net/ethernet/mellanox/mlx5/core/en/xdp.c | 23 +++++++++ .../net/ethernet/mellanox/mlx5/core/en/xdp.h | 5 ++ .../ethernet/mellanox/mlx5/core/en/xsk/rx.c | 10 ++++ .../ethernet/mellanox/mlx5/core/en/xsk/rx.h | 2 + .../net/ethernet/mellanox/mlx5/core/en_main.c | 6 +++ .../net/ethernet/mellanox/mlx5/core/en_rx.c | 49 ++++++++++--------- 8 files changed, 80 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index af663978d1b4..6de02d8aeab8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -627,10 +627,11 @@ struct mlx5e_rq; typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq*, struct mlx5_cqe64*); typedef struct sk_buff * (*mlx5e_fp_skb_from_cqe_mpwrq)(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, - u16 cqe_bcnt, u32 head_offset, u32 page_idx); + struct mlx5_cqe64 *cqe, u16 cqe_bcnt, + u32 head_offset, u32 page_idx); typedef struct sk_buff * (*mlx5e_fp_skb_from_cqe)(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, - u32 cqe_bcnt); + struct mlx5_cqe64 *cqe, u32 cqe_bcnt); typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq); typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16); typedef void (*mlx5e_fp_shampo_dealloc_hd)(struct mlx5e_rq*, u16, u16, bool); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h index 853f312cd757..757c012ece27 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h @@ -73,6 +73,11 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget); void mlx5e_free_rx_descs(struct mlx5e_rq *rq); void mlx5e_free_rx_in_progress_descs(struct mlx5e_rq *rq); +static inline bool mlx5e_rx_hw_stamp(struct hwtstamp_config *config) +{ + return config->rx_filter == HWTSTAMP_FILTER_ALL; +} + /* TX */ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev); bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 31bb6806bf5d..d10d31e12ba2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -156,6 +156,29 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq, return true; } +int mlx5e_xdp_rx_timestamp(const struct xdp_md *ctx, u64 *timestamp) +{ + const struct mlx5e_xdp_buff *_ctx = (void *)ctx; + + if (unlikely(!mlx5e_rx_hw_stamp(_ctx->rq->tstamp))) + return -EOPNOTSUPP; + + *timestamp = mlx5e_cqe_ts_to_ns(_ctx->rq->ptp_cyc2time, + _ctx->rq->clock, get_cqe_ts(_ctx->cqe)); + return 0; +} + +int mlx5e_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash) +{ + const struct mlx5e_xdp_buff *_ctx = (void *)ctx; + + if (unlikely(!(_ctx->xdp.rxq->dev->features & NETIF_F_RXHASH))) + return -EOPNOTSUPP; + + *hash = be32_to_cpu(_ctx->cqe->rss_hash_result); + return 0; +} + /* returns true if packet was consumed by xdp */ bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct page *page, struct bpf_prog *prog, struct mlx5e_xdp_buff *mxbuf) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h index 389818bf6833..cb568c62aba0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h @@ -46,6 +46,8 @@ struct mlx5e_xdp_buff { struct xdp_buff xdp; + struct mlx5_cqe64 *cqe; + struct mlx5e_rq *rq; }; struct mlx5e_xsk_param; @@ -60,6 +62,9 @@ void mlx5e_xdp_rx_poll_complete(struct mlx5e_rq *rq); int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, u32 flags); +int mlx5e_xdp_rx_timestamp(const struct xdp_md *ctx, u64 *timestamp); +int mlx5e_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash); + INDIRECT_CALLABLE_DECLARE(bool mlx5e_xmit_xdp_frame_mpwqe(struct mlx5e_xdpsq *sq, struct mlx5e_xmit_data *xdptxd, struct skb_shared_info *sinfo, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c index 9cff82d764e3..8bf3029abd3c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c @@ -49,6 +49,7 @@ int mlx5e_xsk_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) umr_wqe->inline_mtts[i] = (struct mlx5_mtt) { .ptag = cpu_to_be64(addr | MLX5_EN_WR), }; + wi->alloc_units[i].mxbuf->rq = rq; } } else if (unlikely(rq->mpwqe.umr_mode == MLX5E_MPWRQ_UMR_MODE_UNALIGNED)) { for (i = 0; i < batch; i++) { @@ -58,6 +59,7 @@ int mlx5e_xsk_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) .key = rq->mkey_be, .va = cpu_to_be64(addr), }; + wi->alloc_units[i].mxbuf->rq = rq; } } else if (likely(rq->mpwqe.umr_mode == MLX5E_MPWRQ_UMR_MODE_TRIPLE)) { u32 mapping_size = 1 << (rq->mpwqe.page_shift - 2); @@ -81,6 +83,7 @@ int mlx5e_xsk_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) .key = rq->mkey_be, .va = cpu_to_be64(rq->wqe_overflow.addr), }; + wi->alloc_units[i].mxbuf->rq = rq; } } else { __be32 pad_size = cpu_to_be32((1 << rq->mpwqe.page_shift) - @@ -100,6 +103,7 @@ int mlx5e_xsk_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) .va = cpu_to_be64(rq->wqe_overflow.addr), .bcount = pad_size, }; + wi->alloc_units[i].mxbuf->rq = rq; } } @@ -230,6 +234,7 @@ static struct sk_buff *mlx5e_xsk_construct_skb(struct mlx5e_rq *rq, struct xdp_b struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, + struct mlx5_cqe64 *cqe, u16 cqe_bcnt, u32 head_offset, u32 page_idx) @@ -250,6 +255,8 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, */ WARN_ON_ONCE(head_offset); + /* mxbuf->rq is set on allocation, but cqe is per-packet so set it here */ + mxbuf->cqe = cqe; xsk_buff_set_size(&mxbuf->xdp, cqe_bcnt); xsk_buff_dma_sync_for_cpu(&mxbuf->xdp, rq->xsk_pool); net_prefetch(mxbuf->xdp.data); @@ -284,6 +291,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, + struct mlx5_cqe64 *cqe, u32 cqe_bcnt) { struct mlx5e_xdp_buff *mxbuf = wi->au->mxbuf; @@ -296,6 +304,8 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, */ WARN_ON_ONCE(wi->offset); + /* mxbuf->rq is set on allocation, but cqe is per-packet so set it here */ + mxbuf->cqe = cqe; xsk_buff_set_size(&mxbuf->xdp, cqe_bcnt); xsk_buff_dma_sync_for_cpu(&mxbuf->xdp, rq->xsk_pool); net_prefetch(mxbuf->xdp.data); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h index 087c943bd8e9..cefc0ef6105d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h @@ -13,11 +13,13 @@ int mlx5e_xsk_alloc_rx_wqes_batched(struct mlx5e_rq *rq, u16 ix, int wqe_bulk); int mlx5e_xsk_alloc_rx_wqes(struct mlx5e_rq *rq, u16 ix, int wqe_bulk); struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, + struct mlx5_cqe64 *cqe, u16 cqe_bcnt, u32 head_offset, u32 page_idx); struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, + struct mlx5_cqe64 *cqe, u32 cqe_bcnt); #endif /* __MLX5_EN_XSK_RX_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index cff5f2e29e1e..be942c060774 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4913,6 +4913,11 @@ const struct net_device_ops mlx5e_netdev_ops = { #endif }; +static const struct xdp_metadata_ops mlx5_xdp_metadata_ops = { + .xmo_rx_timestamp = mlx5e_xdp_rx_timestamp, + .xmo_rx_hash = mlx5e_xdp_rx_hash, +}; + static u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout) { int i; @@ -5053,6 +5058,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) SET_NETDEV_DEV(netdev, mdev->device); netdev->netdev_ops = &mlx5e_netdev_ops; + netdev->xdp_metadata_ops = &mlx5_xdp_metadata_ops; mlx5e_dcbnl_build_netdev(netdev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 6affdddf5bcf..7b08653be000 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -62,10 +62,12 @@ static struct sk_buff * mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, - u16 cqe_bcnt, u32 head_offset, u32 page_idx); + struct mlx5_cqe64 *cqe, u16 cqe_bcnt, u32 head_offset, + u32 page_idx); static struct sk_buff * mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, - u16 cqe_bcnt, u32 head_offset, u32 page_idx); + struct mlx5_cqe64 *cqe, u16 cqe_bcnt, u32 head_offset, + u32 page_idx); static void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); static void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); static void mlx5e_handle_rx_cqe_mpwrq_shampo(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); @@ -76,11 +78,6 @@ const struct mlx5e_rx_handlers mlx5e_rx_handlers_nic = { .handle_rx_cqe_mpwqe_shampo = mlx5e_handle_rx_cqe_mpwrq_shampo, }; -static inline bool mlx5e_rx_hw_stamp(struct hwtstamp_config *config) -{ - return config->rx_filter == HWTSTAMP_FILTER_ALL; -} - static inline void mlx5e_read_cqe_slot(struct mlx5_cqwq *wq, u32 cqcc, void *data) { @@ -1575,16 +1572,19 @@ struct sk_buff *mlx5e_build_linear_skb(struct mlx5e_rq *rq, void *va, return skb; } -static void mlx5e_fill_mxbuf(struct mlx5e_rq *rq, void *va, u16 headroom, - u32 len, struct mlx5e_xdp_buff *mxbuf) +static void mlx5e_fill_mxbuf(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, + void *va, u16 headroom, u32 len, + struct mlx5e_xdp_buff *mxbuf) { xdp_init_buff(&mxbuf->xdp, rq->buff.frame0_sz, &rq->xdp_rxq); xdp_prepare_buff(&mxbuf->xdp, va, headroom, len, true); + mxbuf->cqe = cqe; + mxbuf->rq = rq; } static struct sk_buff * mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, - u32 cqe_bcnt) + struct mlx5_cqe64 *cqe, u32 cqe_bcnt) { union mlx5e_alloc_unit *au = wi->au; u16 rx_headroom = rq->buff.headroom; @@ -1630,7 +1630,7 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, static struct sk_buff * mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, - u32 cqe_bcnt) + struct mlx5_cqe64 *cqe, u32 cqe_bcnt) { struct mlx5e_rq_frag_info *frag_info = &rq->wqe.info.arr[0]; struct mlx5e_wqe_frag_info *head_wi = wi; @@ -1654,7 +1654,7 @@ mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi net_prefetchw(va); /* xdp_frame data area */ net_prefetch(va + rx_headroom); - mlx5e_fill_mxbuf(rq, va, rx_headroom, frag_consumed_bytes, &mxbuf); + mlx5e_fill_mxbuf(rq, cqe, va, rx_headroom, frag_consumed_bytes, &mxbuf); sinfo = xdp_get_shared_info_from_buff(&mxbuf.xdp); truesize = 0; @@ -1777,7 +1777,7 @@ static void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) mlx5e_skb_from_cqe_linear, mlx5e_skb_from_cqe_nonlinear, mlx5e_xsk_skb_from_cqe_linear, - rq, wi, cqe_bcnt); + rq, wi, cqe, cqe_bcnt); if (!skb) { /* probably for XDP */ if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) { @@ -1830,7 +1830,7 @@ static void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) skb = INDIRECT_CALL_2(rq->wqe.skb_from_cqe, mlx5e_skb_from_cqe_linear, mlx5e_skb_from_cqe_nonlinear, - rq, wi, cqe_bcnt); + rq, wi, cqe, cqe_bcnt); if (!skb) { /* probably for XDP */ if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) { @@ -1889,7 +1889,7 @@ static void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 skb = INDIRECT_CALL_2(rq->mpwqe.skb_from_cqe_mpwrq, mlx5e_skb_from_cqe_mpwrq_linear, mlx5e_skb_from_cqe_mpwrq_nonlinear, - rq, wi, cqe_bcnt, head_offset, page_idx); + rq, wi, cqe, cqe_bcnt, head_offset, page_idx); if (!skb) goto mpwrq_cqe_out; @@ -1940,7 +1940,8 @@ mlx5e_fill_skb_data(struct sk_buff *skb, struct mlx5e_rq *rq, static struct sk_buff * mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, - u16 cqe_bcnt, u32 head_offset, u32 page_idx) + struct mlx5_cqe64 *cqe, u16 cqe_bcnt, u32 head_offset, + u32 page_idx) { union mlx5e_alloc_unit *au = &wi->alloc_units[page_idx]; u16 headlen = min_t(u16, MLX5E_RX_MAX_HEAD, cqe_bcnt); @@ -1979,7 +1980,8 @@ mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *w static struct sk_buff * mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, - u16 cqe_bcnt, u32 head_offset, u32 page_idx) + struct mlx5_cqe64 *cqe, u16 cqe_bcnt, u32 head_offset, + u32 page_idx) { union mlx5e_alloc_unit *au = &wi->alloc_units[page_idx]; u16 rx_headroom = rq->buff.headroom; @@ -2010,7 +2012,7 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, struct mlx5e_xdp_buff mxbuf; net_prefetchw(va); /* xdp_frame data area */ - mlx5e_fill_mxbuf(rq, va, rx_headroom, cqe_bcnt, &mxbuf); + mlx5e_fill_mxbuf(rq, cqe, va, rx_headroom, cqe_bcnt, &mxbuf); if (mlx5e_xdp_handle(rq, au->page, prog, &mxbuf)) { if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) __set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */ @@ -2174,8 +2176,8 @@ static void mlx5e_handle_rx_cqe_mpwrq_shampo(struct mlx5e_rq *rq, struct mlx5_cq if (likely(head_size)) *skb = mlx5e_skb_from_cqe_shampo(rq, wi, cqe, header_index); else - *skb = mlx5e_skb_from_cqe_mpwrq_nonlinear(rq, wi, cqe_bcnt, data_offset, - page_idx); + *skb = mlx5e_skb_from_cqe_mpwrq_nonlinear(rq, wi, cqe, cqe_bcnt, + data_offset, page_idx); if (unlikely(!*skb)) goto free_hd_entry; @@ -2249,7 +2251,8 @@ static void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cq mlx5e_skb_from_cqe_mpwrq_linear, mlx5e_skb_from_cqe_mpwrq_nonlinear, mlx5e_xsk_skb_from_cqe_mpwrq_linear, - rq, wi, cqe_bcnt, head_offset, page_idx); + rq, wi, cqe, cqe_bcnt, head_offset, + page_idx); if (!skb) goto mpwrq_cqe_out; @@ -2494,7 +2497,7 @@ static void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) skb = INDIRECT_CALL_2(rq->wqe.skb_from_cqe, mlx5e_skb_from_cqe_linear, mlx5e_skb_from_cqe_nonlinear, - rq, wi, cqe_bcnt); + rq, wi, cqe, cqe_bcnt); if (!skb) goto wq_free_wqe; @@ -2586,7 +2589,7 @@ static void mlx5e_trap_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe goto free_wqe; } - skb = mlx5e_skb_from_cqe_nonlinear(rq, wi, cqe_bcnt); + skb = mlx5e_skb_from_cqe_nonlinear(rq, wi, cqe, cqe_bcnt); if (!skb) goto free_wqe; -- 2.39.0.314.g84b9a713c41-goog