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liquidio: do not consider packets dropped by network stack as driver Rx dropped

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netdev->rx_dropped was including packets dropped by napi_gro_receive.
If a packet is dropped by network stack, it should not be counted under
driver Rx dropped.

Made necessary changes to not include network stack drops under
netdev->rx_dropped.

Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Intiyaz Basha 2017-11-03 14:32:33 -07:00 committed by David S. Miller
parent 0b1c27db12
commit 952484610c
1 changed files with 3 additions and 12 deletions
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15
drivers/net/ethernet/cavium/liquidio/lio_core.c
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@ -467,7 +467,6 @@ liquidio_push_packet(u32 octeon_id __attribute__((unused)),
if (netdev) {
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct = lio->oct_dev;
int packet_was_received;
/* Do not proceed if the interface is not in RUNNING state. */
if (!ifstate_check(lio, LIO_IFSTATE_RUNNING)) {
@ -570,18 +569,10 @@ liquidio_push_packet(u32 octeon_id __attribute__((unused)),
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vtag);
}
packet_was_received = (napi_gro_receive(napi, skb) != GRO_DROP);
if (packet_was_received) {
droq->stats.rx_bytes_received += len;
droq->stats.rx_pkts_received++;
} else {
droq->stats.rx_dropped++;
netif_info(lio, rx_err, lio->netdev,
"droq:%d error rx_dropped:%llu\n",
droq->q_no, droq->stats.rx_dropped);
}
napi_gro_receive(napi, skb);
droq->stats.rx_bytes_received += len;
droq->stats.rx_pkts_received++;
} else {
recv_buffer_free(skb);
}