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mlx4_en: Checksum counters per ring 

Not updating common counters from data path.
The checksum counters are per ring, summarizing them when collecting statistics.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin 2011-10-18 01:50:56 +00:00 committed by David S. Miller
parent f3a9d1f25d
commit ad04378cec
4 changed files with 13 additions and 4 deletions
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6
drivers/net/ethernet/mellanox/mlx4/en_port.c
View File

@ -214,15 +214,21 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
stats->rx_packets = 0;
stats->rx_bytes = 0;
priv->port_stats.rx_chksum_good = 0;
priv->port_stats.rx_chksum_none = 0;
for (i = 0; i < priv->rx_ring_num; i++) {
stats->rx_packets += priv->rx_ring[i].packets;
stats->rx_bytes += priv->rx_ring[i].bytes;
priv->port_stats.rx_chksum_good += priv->rx_ring[i].csum_ok;
priv->port_stats.rx_chksum_none += priv->rx_ring[i].csum_none;
}
stats->tx_packets = 0;
stats->tx_bytes = 0;
priv->port_stats.tx_chksum_offload = 0;
for (i = 0; i < priv->tx_ring_num; i++) {
stats->tx_packets += priv->tx_ring[i].packets;
stats->tx_bytes += priv->tx_ring[i].bytes;
priv->port_stats.tx_chksum_offload += priv->tx_ring[i].tx_csum;
}
stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +

6
drivers/net/ethernet/mellanox/mlx4/en_rx.c
View File

@ -587,7 +587,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
if (likely(dev->features & NETIF_F_RXCSUM)) {
if ((cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) &&
(cqe->checksum == cpu_to_be16(0xffff))) {
priv->port_stats.rx_chksum_good++;
ring->csum_ok++;
/* This packet is eligible for LRO if it is:
* - DIX Ethernet (type interpretation)
* - TCP/IP (v4)
@ -627,11 +627,11 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
ip_summed = CHECKSUM_UNNECESSARY;
} else {
ip_summed = CHECKSUM_NONE;
priv->port_stats.rx_chksum_none++;
ring->csum_none++;
}
} else {
ip_summed = CHECKSUM_NONE;
priv->port_stats.rx_chksum_none++;
ring->csum_none++;
}
skb = mlx4_en_rx_skb(priv, rx_desc, skb_frags,

2
drivers/net/ethernet/mellanox/mlx4/en_tx.c
View File

@ -695,7 +695,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM |
MLX4_WQE_CTRL_TCP_UDP_CSUM);
priv->port_stats.tx_chksum_offload++;
ring->tx_csum++;
}
if (unlikely(priv->validate_loopback)) {

3
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
View File

@ -249,6 +249,7 @@ struct mlx4_en_tx_ring {
struct mlx4_srq dummy;
unsigned long bytes;
unsigned long packets;
unsigned long tx_csum;
spinlock_t comp_lock;
struct mlx4_bf bf;
bool bf_enabled;
@ -275,6 +276,8 @@ struct mlx4_en_rx_ring {
void *rx_info;
unsigned long bytes;
unsigned long packets;
unsigned long csum_ok;
unsigned long csum_none;
};