[PATCH 8/8] net/mlx4_en: bug fix for the case of vlan id 0 and UP 0
From: Yevgeny Petrilin <hidden>
Date: 2011-11-21 11:19:24
Subsystem:
mellanox ethernet driver (mlx4_en), mellanox mlx4 core vpi driver, networking drivers, the rest · Maintainers:
Tariq Toukan, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Amir Vadai <redacted> When using vlan 0 and UP 0, vlan header wasn't placed. Signed-off-by: Amir Vadai <redacted> --- drivers/net/ethernet/mellanox/mlx4/en_tx.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index f9093b5..70743a1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c@@ -566,7 +566,8 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk inl->byte_count = cpu_to_be32(1 << 31 | (skb->len - spc)); } tx_desc->ctrl.vlan_tag = cpu_to_be16(*vlan_tag); - tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!(*vlan_tag); + tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * + (!!vlan_tx_tag_present(skb)); tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f; }
@@ -677,7 +678,8 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) /* Prepare ctrl segement apart opcode+ownership, which depends on * whether LSO is used */ tx_desc->ctrl.vlan_tag = cpu_to_be16(vlan_tag); - tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!vlan_tag; + tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * + !!vlan_tx_tag_present(skb); tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f; tx_desc->ctrl.srcrb_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE | MLX4_WQE_CTRL_SOLICITED);
--
1.7.7