octeontx2-pf: Fix TSOv6 offload

commit de678ca38861f2eb58814048076dcf95ed1b5bf9 upstream.

HW adds segment size to the payload length
in the IPv6 header. Fix payload length to
just TCP header length instead of 'TCP header
size + IPv6 header size'.

Fixes: 86d7476078b8 ("octeontx2-pf: TCP segmentation offload support")
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 3f3ec8ffc4ddfc95a2f1f9f53f241a1e70f8d363..d1e3928a24f5c2fc31554a72ac23ec64457049c3 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -574,9 +574,7 @@ static void otx2_sqe_add_ext(struct otx2_nic *pfvf, struct otx2_snd_queue *sq,
                                htons(ext->lso_sb - skb_network_offset(skb));
                } else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
                        ext->lso_format = pfvf->hw.lso_tsov6_idx;
-
-                       ipv6_hdr(skb)->payload_len =
-                               htons(ext->lso_sb - skb_network_offset(skb));
+                       ipv6_hdr(skb)->payload_len = htons(tcp_hdrlen(skb));
                } else if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) {
                        __be16 l3_proto = vlan_get_protocol(skb);
                        struct udphdr *udph = udp_hdr(skb);