From fb89f5b05ab239ea14f87c02fcac05c957818f90 Mon Sep 17 00:00:00 2001 From: Sunil Goutham Date: Thu, 23 Nov 2017 22:34:31 +0300 Subject: [PATCH] net: thunderx: Fix TCP/UDP checksum offload for IPv6 pkts [ Upstream commit fa6d7cb5d76cf0467c61420fc9238045aedfd379 ] Don't offload IP header checksum to NIC. This fixes a previous patch which enabled checksum offloading for both IPv4 and IPv6 packets. So L3 checksum offload was getting enabled for IPv6 pkts. And HW is dropping these pkts as it assumes the pkt is IPv4 when IP csum offload is set in the SQ descriptor. Fixes: 3a9024f52c2e ("net: thunderx: Enable TSO and checksum offloads for ipv6") Signed-off-by: Sunil Goutham Signed-off-by: Aleksey Makarov Reviewed-by: Eric Dumazet Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index d4496e9..8b2c31e 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -1355,7 +1355,6 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry, /* Offload checksum calculation to HW */ if (skb->ip_summed == CHECKSUM_PARTIAL) { - hdr->csum_l3 = 1; /* Enable IP csum calculation */ hdr->l3_offset = skb_network_offset(skb); hdr->l4_offset = skb_transport_offset(skb); -- 2.7.4