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Commit 3a9024f5 authored by Thanneeru Srinivasulu's avatar Thanneeru Srinivasulu Committed by David S. Miller
Browse files

net: thunderx: Enable TSO and checksum offloads for ipv6 



Adding support for TSO and checksum hardware offloads for ipv6.

Signed-off-by: default avatarThanneeru Srinivasulu <tsrinivasulu@cavium.com>
Signed-off-by: default avatarSunil Goutham <sgoutham@cavium.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c339c1c2

drivers/net/ethernet/cavium/thunder/nicvf_main.c

+5 −3
Original line number Diff line number Diff line
@@ -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;

drivers/net/ethernet/cavium/thunder/nicvf_queues.c

+9 −1
Original line number Diff line number Diff line
@@ -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;