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[v2,3/5] net: thunderx: Fix configuration of L3/L4 length checking

Message ID 1479211674-14364-1-git-send-email-sunil.kovvuri@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sunil Kovvuri Nov. 15, 2016, 12:07 p.m. UTC 
From: Sunil Goutham <sgoutham@cavium.com>

This patch fixes enabling of HW verification of L3/L4 length and
TCP/UDP checksum which is currently being cleared. Also fixed VLAN
stripping config which is being cleared when multiqset is enabled.

Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
---
 drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index f0e0ca6..f914eef 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -538,9 +538,12 @@  static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs,
 	mbx.rq.cfg = (1ULL << 62) | (RQ_CQ_DROP << 8);
 	nicvf_send_msg_to_pf(nic, &mbx);
 
-	nicvf_queue_reg_write(nic, NIC_QSET_RQ_GEN_CFG, 0, 0x00);
-	if (!nic->sqs_mode)
+	if (!nic->sqs_mode && (qidx == 0)) {
+		/* Enable checking L3/L4 length and TCP/UDP checksums */
+		nicvf_queue_reg_write(nic, NIC_QSET_RQ_GEN_CFG, 0,
+				      (BIT(24) | BIT(23) | BIT(21)));
 		nicvf_config_vlan_stripping(nic, nic->netdev->features);
+	}
 
 	/* Enable Receive queue */
 	memset(&rq_cfg, 0, sizeof(struct rq_cfg));