From: Ganesh Goudar <ganeshgr@chelsio.com>
Patch-mainline: v4.20-rc1
Git-commit: 992bea8e40b7f5d2ad5e59ce167556a84da388e2
Subject: cxgb4: add per rx-queue counter for packet errors
References: bsc#1127371
print per rx-queue packet errors in sge_qinfo
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Denis Kirjanov <dkirjanov@suse.com>
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 3 +++
drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | 1 +
drivers/net/ethernet/chelsio/cxgb4/sge.c | 4 ++++
3 files changed, 8 insertions(+)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 9b5c69eaedd7..56244acf7ce6 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -656,6 +656,9 @@ struct sge_eth_stats { /* Ethernet queue statistics */
unsigned long rx_cso; /* # of Rx checksum offloads */
unsigned long vlan_ex; /* # of Rx VLAN extractions */
unsigned long rx_drops; /* # of packets dropped due to no mem */
+#ifndef __GENKSYMS__
+ unsigned long bad_rx_pkts; /* # of packets with err_vec!=0 */
+#endif
};
struct sge_eth_rxq { /* SW Ethernet Rx queue */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index ef48f0e5011e..f3f78906badf 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -2506,6 +2506,7 @@ do { \
RL("LROmerged:", stats.lro_merged);
RL("LROpackets:", stats.lro_pkts);
RL("RxDrops:", stats.rx_drops);
+ RL("RxBadPkts:", stats.bad_rx_pkts);
TL("TSO:", tso);
TL("TxCSO:", tx_cso);
TL("VLANins:", vlan_ins);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index 98c7d9119c02..a8025e5f8842 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2368,6 +2368,10 @@ int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
csum_ok = pkt->csum_calc && !err_vec &&
(q->netdev->features & NETIF_F_RXCSUM);
+
+ if (err_vec)
+ rxq->stats.bad_rx_pkts++;
+
if (((pkt->l2info & htonl(RXF_TCP_F)) ||
tnl_hdr_len) &&
(q->netdev->features & NETIF_F_GRO) && csum_ok && !pkt->ip_frag) {
--
2.12.3