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ionic: enable tunnel offloads

Browse source 
Support stateless offloads for GRE, VXLAN, GENEVE, IPXIP4
and IPXIP6 when the FW supports them.

Signed-off-by: Neel Patel <neel@pensando.io>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Neel Patel 2022-10-26 07:37:43 -07:00 committed by Jakub Kicinski
parent f43a96d91d
commit cad478c7c3
2 changed files with 13 additions and 3 deletions
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8
drivers/net/ethernet/pensando/ionic/ionic_lif.c
View file

@ -1491,7 +1491,13 @@ static int ionic_init_nic_features(struct ionic_lif *lif)
NETIF_F_RXCSUM |
NETIF_F_TSO |
NETIF_F_TSO6 |
NETIF_F_TSO_ECN;
NETIF_F_TSO_ECN |
NETIF_F_GSO_GRE |
NETIF_F_GSO_GRE_CSUM |
NETIF_F_GSO_IPXIP4 |
NETIF_F_GSO_IPXIP6 |
NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM;
if (lif->nxqs > 1)
features |= NETIF_F_RXHASH;

8
drivers/net/ethernet/pensando/ionic/ionic_txrx.c
View file

@ -925,8 +925,12 @@ static int ionic_tx_tso(struct ionic_queue *q, struct sk_buff *skb)
len = skb->len;
mss = skb_shinfo(skb)->gso_size;
outer_csum = (skb_shinfo(skb)->gso_type & SKB_GSO_GRE_CSUM) ||
(skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM);
outer_csum = (skb_shinfo(skb)->gso_type & (SKB_GSO_GRE |
SKB_GSO_GRE_CSUM |
SKB_GSO_IPXIP4 |
SKB_GSO_IPXIP6 |
SKB_GSO_UDP_TUNNEL |
SKB_GSO_UDP_TUNNEL_CSUM));
has_vlan = !!skb_vlan_tag_present(skb);
vlan_tci = skb_vlan_tag_get(skb);
encap = skb->encapsulation;