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From: Jakub Kicinski <kuba@kernel.org>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, michael.chan@broadcom.com,
prashant@broadcom.com, eddie.wai@broadcom.com,
huangjw@broadcom.com, gospo@broadcom.com,
edwin.peer@broadcom.com, Jakub Kicinski <kuba@kernel.org>
Subject: [PATCH net v3 4/4] bnxt: count Tx drops
Date: Thu, 12 Aug 2021 14:42:42 -0700 [thread overview]
Message-ID: <20210812214242.578039-5-kuba@kernel.org> (raw)
In-Reply-To: <20210812214242.578039-1-kuba@kernel.org>
Drivers should count packets they are dropping.
Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 389016ea65cf..dd2d2a5fef15 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -412,6 +412,7 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
i = skb_get_queue_mapping(skb);
if (unlikely(i >= bp->tx_nr_rings)) {
dev_kfree_skb_any(skb);
+ atomic_long_inc(&dev->tx_dropped);
return NETDEV_TX_OK;
}
@@ -687,6 +688,7 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (txr->kick_pending)
bnxt_txr_db_kick(bp, txr, txr->tx_prod);
txr->tx_buf_ring[txr->tx_prod].skb = NULL;
+ atomic_long_inc(&dev->tx_dropped);
return NETDEV_TX_OK;
}
--
2.31.1
next prev parent reply other threads:[~2021-08-12 21:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 21:42 [PATCH net v3 0/4] bnxt: Tx NAPI disabling resiliency improvements Jakub Kicinski
2021-08-12 21:42 ` [PATCH net v3 1/4] bnxt: don't lock the tx queue from napi poll Jakub Kicinski
2021-08-12 21:42 ` [PATCH net v3 2/4] bnxt: disable napi before canceling DIM Jakub Kicinski
2021-08-12 21:42 ` [PATCH net v3 3/4] bnxt: make sure xmit_more + errors does not miss doorbells Jakub Kicinski
2021-08-12 21:42 ` Jakub Kicinski [this message]
2021-08-12 22:07 ` [PATCH net v3 0/4] bnxt: Tx NAPI disabling resiliency improvements Michael Chan
2021-08-13 17:27 ` Jakub Kicinski
2021-08-12 22:35 ` Edwin Peer
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