net:ethernet:aquantia: Fix packet type detection (TCP/UDP) for IPv6.

In order for the checksum offloads to work correctly we need to set the
packet type bit (TCP/UDP) in the TX context buffer.

Fixes: 97bde5c4f909 ("net: ethernet: aquantia: Support for NIC-specific code")

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Tested-by: David Arcari <darcari@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index ee78444bfb8851214709920795e26d658c4ca9b5..db2b51da29882685b2b0e6eab84434e9339d5158 100644 (file)
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -510,10 +510,22 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
        if (skb->ip_summed == CHECKSUM_PARTIAL) {
                dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
                        1U : 0U;
-               dx_buff->is_tcp_cso =
-                       (ip_hdr(skb)->protocol == IPPROTO_TCP) ? 1U : 0U;
-               dx_buff->is_udp_cso =
-                       (ip_hdr(skb)->protocol == IPPROTO_UDP) ? 1U : 0U;
+
+               if (ip_hdr(skb)->version == 4) {
+                       dx_buff->is_tcp_cso =
+                               (ip_hdr(skb)->protocol == IPPROTO_TCP) ?
+                                       1U : 0U;
+                       dx_buff->is_udp_cso =
+                               (ip_hdr(skb)->protocol == IPPROTO_UDP) ?
+                                       1U : 0U;
+               } else if (ip_hdr(skb)->version == 6) {
+                       dx_buff->is_tcp_cso =
+                               (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
+                                       1U : 0U;
+                       dx_buff->is_udp_cso =
+                               (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
+                                       1U : 0U;
+               }
        }
 
        for (; nr_frags--; ++frag_count) {