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authorThanneeru Srinivasulu <tsrinivasulu@cavium.com>2017-04-06 16:12:26 +0530
committerDavid S. Miller <davem@davemloft.net>2017-04-07 14:01:07 -0700
commit3a9024f52c2e92a143195db43d2abbd5d0792c06 (patch)
tree4704a1bb283ff7c5474aeb78d17519a94db7485d /drivers/net/ethernet
parentc339c1c2824bd82f8fa29412466f12f2d1527d6b (diff)
downloadlinux-3a9024f52c2e92a143195db43d2abbd5d0792c06.tar.bz2
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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_main.c8
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.c10
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index 24017588f531..330d8a03ea11 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -1665,8 +1665,9 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
goto err_unregister_interrupts;
- netdev->hw_features = (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
- NETIF_F_TSO | NETIF_F_GRO |
+ netdev->hw_features = (NETIF_F_RXCSUM | NETIF_F_SG |
+ NETIF_F_TSO | NETIF_F_GRO | NETIF_F_TSO6 |
+ NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_HW_VLAN_CTAG_RX);
netdev->hw_features |= NETIF_F_RXHASH;
@@ -1674,7 +1675,8 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
netdev->features |= netdev->hw_features;
netdev->hw_features |= NETIF_F_LOOPBACK;
- netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
+ netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+ NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6;
netdev->netdev_ops = &nicvf_netdev_ops;
netdev->watchdog_timeo = NICVF_TX_TIMEOUT;
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index f13289f0d238..7b0fd8d871cc 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;