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Date: Mon, 2 May 2022 21:41:59 -0700
From: Saeed Mahameed <saeedm@...dia.com>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, Maxim Mikityanskiy <maximmi@...dia.com>,
Tariq Toukan <tariqt@...dia.com>,
Gal Pressman <gal@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 05/15] net/mlx5e: Drop error CQE handling from the XSK RX handler
From: Maxim Mikityanskiy <maximmi@...dia.com>
This commit removes the redundant check and removes the unused cqe parameter
of skb_from_cqe handlers.
Signed-off-by: Maxim Mikityanskiy <maximmi@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Reviewed-by: Gal Pressman <gal@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en.h | 4 ++--
.../net/ethernet/mellanox/mlx5/core/en/xsk/rx.c | 6 ------
.../net/ethernet/mellanox/mlx5/core/en/xsk/rx.h | 1 -
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 16 ++++++++--------
4 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 50818081bdc0..b90902db7819 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -648,8 +648,8 @@ 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);
typedef struct sk_buff *
-(*mlx5e_fp_skb_from_cqe)(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
- struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt);
+(*mlx5e_fp_skb_from_cqe)(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi,
+ 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/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
index 021da085e603..9a1553598a7c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
@@ -80,7 +80,6 @@ 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 mlx5_cqe64 *cqe,
struct mlx5e_wqe_frag_info *wi,
u32 cqe_bcnt)
{
@@ -99,11 +98,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
xsk_buff_dma_sync_for_cpu(xdp, rq->xsk_pool);
net_prefetch(xdp->data);
- if (unlikely(get_cqe_opcode(cqe) != MLX5_CQE_RESP_SEND)) {
- rq->stats->wqe_err++;
- return NULL;
- }
-
prog = rcu_dereference(rq->xdp_prog);
if (likely(prog && mlx5e_xdp_handle(rq, NULL, prog, xdp)))
return NULL; /* page/packet was consumed by XDP */
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 7f88ccf67fdd..a8cfab4a393c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
@@ -15,7 +15,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq,
u32 head_offset,
u32 page_idx);
struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
- struct mlx5_cqe64 *cqe,
struct mlx5e_wqe_frag_info *wi,
u32 cqe_bcnt);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index a5f6fd16b665..2dea9e4649a6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -1521,8 +1521,8 @@ static void mlx5e_fill_xdp_buff(struct mlx5e_rq *rq, void *va, u16 headroom,
}
static struct sk_buff *
-mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
- struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt)
+mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi,
+ u32 cqe_bcnt)
{
struct mlx5e_dma_info *di = wi->di;
u16 rx_headroom = rq->buff.headroom;
@@ -1565,8 +1565,8 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
}
static struct sk_buff *
-mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
- struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt)
+mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi,
+ u32 cqe_bcnt)
{
struct mlx5e_rq_frag_info *frag_info = &rq->wqe.info.arr[0];
struct mlx5e_wqe_frag_info *head_wi = wi;
@@ -1709,7 +1709,7 @@ static void mlx5e_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, cqe, wi, cqe_bcnt);
+ rq, wi, cqe_bcnt);
if (!skb) {
/* probably for XDP */
if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) {
@@ -1762,7 +1762,7 @@ 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, cqe, wi, cqe_bcnt);
+ rq, wi, cqe_bcnt);
if (!skb) {
/* probably for XDP */
if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) {
@@ -2361,7 +2361,7 @@ 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, cqe, wi, cqe_bcnt);
+ rq, wi, cqe_bcnt);
if (!skb)
goto wq_free_wqe;
@@ -2453,7 +2453,7 @@ 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, cqe, wi, cqe_bcnt);
+ skb = mlx5e_skb_from_cqe_nonlinear(rq, wi, cqe_bcnt);
if (!skb)
goto free_wqe;
--
2.35.1
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