diff options
Diffstat (limited to 'drivers/net/mlx4/en_tx.c')
| -rw-r--r-- | drivers/net/mlx4/en_tx.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c index 3deabd1d035..b875f9c3884 100644 --- a/drivers/net/mlx4/en_tx.c +++ b/drivers/net/mlx4/en_tx.c @@ -600,6 +600,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) struct mlx4_wqe_data_seg *data; struct skb_frag_struct *frag; struct mlx4_en_tx_info *tx_info; + struct ethhdr *ethh; + u64 mac; + u32 mac_l, mac_h; int tx_ind = 0; int nr_txbb; int desc_size; @@ -679,6 +682,19 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) priv->port_stats.tx_chksum_offload++; } + if (unlikely(priv->validate_loopback)) { + /* Copy dst mac address to wqe */ + skb_reset_mac_header(skb); + ethh = eth_hdr(skb); + if (ethh && ethh->h_dest) { + mac = mlx4_en_mac_to_u64(ethh->h_dest); + mac_h = (u32) ((mac & 0xffff00000000ULL) >> 16); + mac_l = (u32) (mac & 0xffffffff); + tx_desc->ctrl.srcrb_flags |= cpu_to_be32(mac_h); + tx_desc->ctrl.imm = cpu_to_be32(mac_l); + } + } + /* Handle LSO (TSO) packets */ if (lso_header_size) { /* Mark opcode as LSO */ |