From: Sameeh Jubran Date: Mon, 3 Jun 2019 17:43:28 +0300 Subject: [PATCH] net: ena: add good checksum counter Origin: https://git.kernel.org/linus/d2eecc6ee8c92053797513e34931334dd0e85e18 Bug-Debian: https://bugs.debian.org/941291 Add a new statistics to ETHTOOL to specify if the device calculated and validated the Rx csum. Signed-off-by: Evgeny Shmeilin Signed-off-by: Sameeh Jubran Signed-off-by: David S. Miller --- drivers/net/ethernet/amazon/ena/ena_ethtool.c | 3 ++- drivers/net/ethernet/amazon/ena/ena_netdev.c | 3 +++ drivers/net/ethernet/amazon/ena/ena_netdev.h | 3 ++- 3 files changed, 7 insertions(+), 2 deletions(-) Index: linux/drivers/net/ethernet/amazon/ena/ena_ethtool.c =================================================================== --- linux.orig/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ linux/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -88,13 +88,14 @@ static const struct ena_stats ena_stats_ 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), Index: linux/drivers/net/ethernet/amazon/ena/ena_netdev.c =================================================================== --- linux.orig/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ linux/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -1001,6 +1001,9 @@ static inline void ena_rx_checksum(struc 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++; Index: linux/drivers/net/ethernet/amazon/ena/ena_netdev.h =================================================================== --- linux.orig/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ linux/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -221,13 +221,14 @@ 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;