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net: ena: add good checksum counter

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Add a new statistics to ETHTOOL to specify if the device calculated
and validated the Rx csum.

Signed-off-by: Evgeny Shmeilin <evgeny@annapurnaLabs.com>
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sameeh Jubran 2019-06-03 17:43:28 +03:00 committed by David S. Miller
parent d91860989d
commit d2eecc6ee8
3 changed files with 7 additions and 2 deletions
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3
drivers/net/ethernet/amazon/ena/ena_ethtool.c
View File

@ -88,13 +88,14 @@ static const struct ena_stats ena_stats_tx_strings[] = {
static const struct ena_stats ena_stats_rx_strings[] = {
ENA_STAT_RX_ENTRY(cnt),
ENA_STAT_RX_ENTRY(bytes),
ENA_STAT_RX_ENTRY(rx_copybreak_pkt),
ENA_STAT_RX_ENTRY(csum_good),
ENA_STAT_RX_ENTRY(refil_partial),
ENA_STAT_RX_ENTRY(bad_csum),
ENA_STAT_RX_ENTRY(page_alloc_fail),
ENA_STAT_RX_ENTRY(skb_alloc_fail),
ENA_STAT_RX_ENTRY(dma_mapping_err),
ENA_STAT_RX_ENTRY(bad_desc_num),
ENA_STAT_RX_ENTRY(rx_copybreak_pkt),
ENA_STAT_RX_ENTRY(bad_req_id),
ENA_STAT_RX_ENTRY(empty_rx_ring),
ENA_STAT_RX_ENTRY(csum_unchecked),

3
drivers/net/ethernet/amazon/ena/ena_netdev.c
View File

@ -1001,6 +1001,9 @@ static inline void ena_rx_checksum(struct ena_ring *rx_ring,
if (likely(ena_rx_ctx->l4_csum_checked)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
u64_stats_update_begin(&rx_ring->syncp);
rx_ring->rx_stats.csum_good++;
u64_stats_update_end(&rx_ring->syncp);
} else {
u64_stats_update_begin(&rx_ring->syncp);
rx_ring->rx_stats.csum_unchecked++;

3
drivers/net/ethernet/amazon/ena/ena_netdev.h
View File

@ -208,13 +208,14 @@ struct ena_stats_tx {
struct ena_stats_rx {
u64 cnt;
u64 bytes;
u64 rx_copybreak_pkt;
u64 csum_good;
u64 refil_partial;
u64 bad_csum;
u64 page_alloc_fail;
u64 skb_alloc_fail;
u64 dma_mapping_err;
u64 bad_desc_num;
u64 rx_copybreak_pkt;
u64 bad_req_id;
u64 empty_rx_ring;
u64 csum_unchecked;