From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
Vladyslav Tarasiuk <vladyslavt@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next 10/10] net/mlx5e: Remove unreachable code in mlx5e_xmit()
Date: Thu, 3 Jun 2021 13:11:55 -0700 [thread overview]
Message-ID: <20210603201155.109184-11-saeed@kernel.org> (raw)
In-Reply-To: <20210603201155.109184-1-saeed@kernel.org>
From: Vladyslav Tarasiuk <vladyslavt@nvidia.com>
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>
---
.../mellanox/mlx5/core/en_accel/en_accel.h | 4 +---
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 17 ++++-------------
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;
--
2.31.1
prev parent reply other threads:[~2021-06-03 20:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 20:11 [pull request][net-next 00/10] mlx5 updates 2021-06-03 Saeed Mahameed
2021-06-03 20:11 ` [net-next 01/10] mlx5: count all link events Saeed Mahameed
2021-06-03 22:30 ` patchwork-bot+netdevbpf
2021-06-03 20:11 ` [net-next 02/10] net/mlx5: Fix duplicate included vhca_event.h Saeed Mahameed
2021-06-03 20:11 ` [net-next 03/10] net/mlx5: check for allocation failure in mlx5_ft_pool_init() Saeed Mahameed
2021-06-03 20:11 ` [net-next 04/10] net/mlx5e: Remove the repeated declaration Saeed Mahameed
2021-06-03 20:11 ` [net-next 05/10] net/mlx5e: IPoIB, Add support for NDR speed Saeed Mahameed
2021-06-03 20:11 ` [net-next 06/10] net/mlx5e: Zero-init DIM structures Saeed Mahameed
2021-06-03 20:11 ` [net-next 07/10] net/mlx5e: RX, Re-place page pool numa node change logic Saeed Mahameed
2021-06-03 20:11 ` [net-next 08/10] net/mlx5e: Disable TX MPWQE in kdump mode Saeed Mahameed
2021-06-03 20:11 ` [net-next 09/10] net/mlx5e: Disable TLS device offload " Saeed Mahameed
2021-06-03 20:11 ` Saeed Mahameed [this message]
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