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net: thunderx: Enable TSO and checksum offloads for ipv6

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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>
This commit is contained in:
Thanneeru Srinivasulu 2017-04-06 16:12:26 +05:30 committed by David S. Miller
parent c339c1c282
commit 3a9024f52c
2 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ethernet/cavium/thunder/nicvf_main.c
View File

@ -1665,8 +1665,9 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err) if (err)
goto err_unregister_interrupts; goto err_unregister_interrupts;
netdev->hw_features = (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG | netdev->hw_features = (NETIF_F_RXCSUM | NETIF_F_SG |
NETIF_F_TSO | NETIF_F_GRO | NETIF_F_TSO | NETIF_F_GRO | NETIF_F_TSO6 |
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_HW_VLAN_CTAG_RX); NETIF_F_HW_VLAN_CTAG_RX);
netdev->hw_features |= NETIF_F_RXHASH; 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->features |= netdev->hw_features;
netdev->hw_features |= NETIF_F_LOOPBACK; 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->netdev_ops = &nicvf_netdev_ops;
netdev->watchdog_timeo = NICVF_TX_TIMEOUT; netdev->watchdog_timeo = NICVF_TX_TIMEOUT;

10
drivers/net/ethernet/cavium/thunder/nicvf_queues.c
View File

@ -1094,7 +1094,13 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry,
{ {
int proto; int proto;
struct sq_hdr_subdesc *hdr; 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); hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry);
memset(hdr, 0, SND_QUEUE_DESC_SIZE); memset(hdr, 0, SND_QUEUE_DESC_SIZE);
hdr->subdesc_type = SQ_DESC_TYPE_HEADER; 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->l3_offset = skb_network_offset(skb);
hdr->l4_offset = skb_transport_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) { switch (proto) {
case IPPROTO_TCP: case IPPROTO_TCP:
hdr->csum_l4 = SEND_L4_CSUM_TCP; hdr->csum_l4 = SEND_L4_CSUM_TCP;