net: thunderx: Enable TSO and checksum offloads for ipv6
Adding support for TSO and checksum hardware offloads for ipv6.
Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@cavium.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index f13289f..7b0fd8d 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -1094,7 +1094,13 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry,
{
int proto;
struct sq_hdr_subdesc *hdr;
+ union {
+ struct iphdr *v4;
+ struct ipv6hdr *v6;
+ unsigned char *hdr;
+ } ip;
+ ip.hdr = skb_network_header(skb);
hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry);
memset(hdr, 0, SND_QUEUE_DESC_SIZE);
hdr->subdesc_type = SQ_DESC_TYPE_HEADER;
@@ -1119,7 +1125,9 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry,
hdr->l3_offset = skb_network_offset(skb);
hdr->l4_offset = skb_transport_offset(skb);
- proto = ip_hdr(skb)->protocol;
+ proto = (ip.v4->version == 4) ? ip.v4->protocol :
+ ip.v6->nexthdr;
+
switch (proto) {
case IPPROTO_TCP:
hdr->csum_l4 = SEND_L4_CSUM_TCP;