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net/mlx5e: Add rx/tx bytes software counters 

Sum up rx/tx bytes in software as we do for rx/tx packets, to be reported
in upcoming statistics fix.

Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gal Pressman 2016-02-29 21:17:14 +02:00 committed by David S. Miller
parent 85082dba0a
commit b081da5ee1
3 changed files with 13 additions and 5 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -223,6 +223,7 @@ struct mlx5e_pport_stats {
static const char rq_stats_strings[][ETH_GSTRING_LEN] = {
"packets",
"bytes",
"csum_none",
"csum_sw",
"lro_packets",
@ -232,16 +233,18 @@ static const char rq_stats_strings[][ETH_GSTRING_LEN] = {
struct mlx5e_rq_stats {
u64 packets;
u64 bytes;
u64 csum_none;
u64 csum_sw;
u64 lro_packets;
u64 lro_bytes;
u64 wqe_err;
#define NUM_RQ_STATS 6
#define NUM_RQ_STATS 7
};
static const char sq_stats_strings[][ETH_GSTRING_LEN] = {
"packets",
"bytes",
"tso_packets",
"tso_bytes",
"csum_offload_none",
@ -253,6 +256,7 @@ static const char sq_stats_strings[][ETH_GSTRING_LEN] = {
struct mlx5e_sq_stats {
u64 packets;
u64 bytes;
u64 tso_packets;
u64 tso_bytes;
u64 csum_offload_none;
@ -260,7 +264,7 @@ struct mlx5e_sq_stats {
u64 wake;
u64 dropped;
u64 nop;
#define NUM_SQ_STATS 8
#define NUM_SQ_STATS 9
};
struct mlx5e_stats {

1
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
View File

@ -263,6 +263,7 @@ int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget)
mlx5e_build_rx_skb(cqe, rq, skb);
rq->stats.packets++;
rq->stats.bytes += be32_to_cpu(cqe->byte_cnt);
napi_gro_receive(cq->napi, skb);
wq_ll_pop:

9
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
View File

@ -179,6 +179,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
unsigned int skb_len = skb->len;
u8 opcode = MLX5_OPCODE_SEND;
dma_addr_t dma_addr = 0;
unsigned int num_bytes;
bool bf = false;
u16 headlen;
u16 ds_cnt;
@ -204,8 +205,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
opcode = MLX5_OPCODE_LSO;
ihs = skb_transport_offset(skb) + tcp_hdrlen(skb);
payload_len = skb->len - ihs;
wi->num_bytes = skb->len +
(skb_shinfo(skb)->gso_segs - 1) * ihs;
num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs;
sq->stats.tso_packets++;
sq->stats.tso_bytes += payload_len;
} else {
@ -213,9 +213,11 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
!skb->xmit_more &&
!skb_shinfo(skb)->nr_frags;
ihs = mlx5e_get_inline_hdr_size(sq, skb, bf);
wi->num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN);
num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN);
}
wi->num_bytes = num_bytes;
if (skb_vlan_tag_present(skb)) {
mlx5e_insert_vlan(eseg->inline_hdr_start, skb, ihs, &skb_data,
&skb_len);
@ -307,6 +309,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
sq->bf_budget = bf ? sq->bf_budget - 1 : 0;
sq->stats.packets++;
sq->stats.bytes += num_bytes;
return NETDEV_TX_OK;
dma_unmap_wqe_err: