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authorVladyslav Tarasiuk <vladyslavt@nvidia.com>2021-05-11 17:56:26 +0300
committerSaeed Mahameed <saeedm@nvidia.com>2021-06-03 23:10:21 +0300
commitf68406ca3b77c90d249e7f50e8f3015408d9ad4a (patch)
treeed2274bdf8693eb5991748102451f01b7d028890
parent39e8cc6d757af7ee5edf5826102c95e3f5bb374b (diff)
downloadlinux-f68406ca3b77c90d249e7f50e8f3015408d9ad4a.tar.xz
net/mlx5e: Remove unreachable code in mlx5e_xmit()
After some commits, mlx5e_txwqe_build_eseg() lost its ability to return boolean value and became effectively void. Change its return type to void and remove unreachable branches. Signed-off-by: Vladyslav Tarasiuk <vladyslavt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c17
2 files changed, 5 insertions, 16 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
index 00af0b831a28..d964665eaa63 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
@@ -162,7 +162,7 @@ static inline unsigned int mlx5e_accel_tx_ids_len(struct mlx5e_txqsq *sq,
/* Part of the eseg touched by TX offloads */
#define MLX5E_ACCEL_ESEG_LEN offsetof(struct mlx5_wqe_eth_seg, mss)
-static inline bool mlx5e_accel_tx_eseg(struct mlx5e_priv *priv,
+static inline void mlx5e_accel_tx_eseg(struct mlx5e_priv *priv,
struct sk_buff *skb,
struct mlx5_wqe_eth_seg *eseg, u16 ihs)
{
@@ -175,8 +175,6 @@ static inline bool mlx5e_accel_tx_eseg(struct mlx5e_priv *priv,
if (skb->encapsulation && skb->ip_summed == CHECKSUM_PARTIAL)
mlx5e_tx_tunnel_accel(skb, eseg, ihs);
#endif
-
- return true;
}
static inline void mlx5e_accel_tx_finish(struct mlx5e_txqsq *sq,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 8ba62671f5f1..669ff58107e4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -706,16 +706,12 @@ void mlx5e_tx_mpwqe_ensure_complete(struct mlx5e_txqsq *sq)
mlx5e_tx_mpwqe_session_complete(sq);
}
-static bool mlx5e_txwqe_build_eseg(struct mlx5e_priv *priv, struct mlx5e_txqsq *sq,
+static void mlx5e_txwqe_build_eseg(struct mlx5e_priv *priv, struct mlx5e_txqsq *sq,
struct sk_buff *skb, struct mlx5e_accel_tx_state *accel,
struct mlx5_wqe_eth_seg *eseg, u16 ihs)
{
- if (unlikely(!mlx5e_accel_tx_eseg(priv, skb, eseg, ihs)))
- return false;
-
+ mlx5e_accel_tx_eseg(priv, skb, eseg, ihs);
mlx5e_txwqe_build_eseg_csum(sq, skb, accel, eseg);
-
- return true;
}
netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -744,10 +740,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
if (mlx5e_tx_skb_supports_mpwqe(skb, &attr)) {
struct mlx5_wqe_eth_seg eseg = {};
- if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &eseg,
- attr.ihs)))
- return NETDEV_TX_OK;
-
+ mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &eseg, attr.ihs);
mlx5e_sq_xmit_mpwqe(sq, skb, &eseg, netdev_xmit_more());
return NETDEV_TX_OK;
}
@@ -762,9 +755,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
/* May update the WQE, but may not post other WQEs. */
mlx5e_accel_tx_finish(sq, wqe, &accel,
(struct mlx5_wqe_inline_seg *)(wqe->data + wqe_attr.ds_cnt_inl));
- if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &wqe->eth, attr.ihs)))
- return NETDEV_TX_OK;
-
+ mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &wqe->eth, attr.ihs);
mlx5e_sq_xmit_wqe(sq, skb, &attr, &wqe_attr, wqe, pi, netdev_xmit_more());
return NETDEV_TX_OK;