diff options
| author |   Jakub Kicinski <kuba@kernel.org> | 2021-08-27 08:27:45 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-08-27 17:14:32 -0700 |
| commit | 907fd4a294dbb9ce12d9e47cb6fcf4dcc7b2a5f3 (patch) | |
| tree | 49beeafa2abcb91eae4b3a7a9f2e175d67fd8060 /drivers/net/ethernet/broadcom/bnxt/bnxt.c | |
| parent | bnxt: count packets discarded because of netpoll (diff) | |
| download | linux-dev-907fd4a294dbb9ce12d9e47cb6fcf4dcc7b2a5f3.tar.xz linux-dev-907fd4a294dbb9ce12d9e47cb6fcf4dcc7b2a5f3.zip | |
bnxt: count discards due to memory allocation errors
Count packets dropped due to buffer or skb allocation errors.
Report as part of rx_dropped.
v2: drop the ethtool -S entry [Vladimir]
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index df255d4e6d33..ccf1e47d9e92 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1651,6 +1651,7 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, skb = bnxt_copy_skb(bnapi, data_ptr, len, mapping); if (!skb) { bnxt_abort_tpa(cpr, idx, agg_bufs); + cpr->sw_stats.rx.rx_oom_discards += 1; return NULL; } } else { @@ -1660,6 +1661,7 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, new_data = __bnxt_alloc_rx_data(bp, &new_mapping, GFP_ATOMIC); if (!new_data) { bnxt_abort_tpa(cpr, idx, agg_bufs); + cpr->sw_stats.rx.rx_oom_discards += 1; return NULL; } @@ -1675,6 +1677,7 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, if (!skb) { kfree(data); bnxt_abort_tpa(cpr, idx, agg_bufs); + cpr->sw_stats.rx.rx_oom_discards += 1; return NULL; } skb_reserve(skb, bp->rx_offset); @@ -1685,6 +1688,7 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, skb = bnxt_rx_pages(bp, cpr, skb, idx, agg_bufs, true); if (!skb) { /* Page reuse already handled by bnxt_rx_pages(). */ + cpr->sw_stats.rx.rx_oom_discards += 1; return NULL; } } @@ -1888,6 +1892,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, if (agg_bufs) bnxt_reuse_rx_agg_bufs(cpr, cp_cons, 0, agg_bufs, false); + cpr->sw_stats.rx.rx_oom_discards += 1; rc = -ENOMEM; goto next_rx; } @@ -1901,6 +1906,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, skb = bp->rx_skb_func(bp, rxr, cons, data, data_ptr, dma_addr, payload | len); if (!skb) { + cpr->sw_stats.rx.rx_oom_discards += 1; rc = -ENOMEM; goto next_rx; } @@ -1909,6 +1915,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, if (agg_bufs) { skb = bnxt_rx_pages(bp, cpr, skb, cp_cons, agg_bufs, false); if (!skb) { + cpr->sw_stats.rx.rx_oom_discards += 1; rc = -ENOMEM; goto next_rx; } @@ -10651,7 +10658,9 @@ static void bnxt_get_ring_stats(struct bnxt *bp, stats->tx_dropped += BNXT_GET_RING_STATS64(sw, tx_error_pkts); - stats->rx_dropped += cpr->sw_stats.rx.rx_netpoll_discards; + stats->rx_dropped += + cpr->sw_stats.rx.rx_netpoll_discards + + cpr->sw_stats.rx.rx_oom_discards; } } |