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Commit d2eecc6e authored by Sameeh Jubran's avatar Sameeh Jubran Committed by David S. Miller
Browse files

net: ena: add good checksum counter 



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

Signed-off-by: default avatarEvgeny Shmeilin <evgeny@annapurnaLabs.com>
Signed-off-by: default avatarSameeh Jubran <sameehj@amazon.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d9186098

drivers/net/ethernet/amazon/ena/ena_ethtool.c

+2 −1
Original line number Diff line number Diff line
@@ -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),

drivers/net/ethernet/amazon/ena/ena_netdev.c

+3 −0
Original line number Diff line number Diff line
@@ -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++;

drivers/net/ethernet/amazon/ena/ena_netdev.h

+2 −1
Original line number Diff line number Diff line
@@ -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;