Commit cad478c7 authored Oct 26, 2022 by Neel Patel Committed by Jakub Kicinski Oct 27, 2022

ionic: enable tunnel offloads



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>

parent f43a96d9

drivers/net/ethernet/pensando/ionic/ionic_lif.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -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;

drivers/net/ethernet/pensando/ionic/ionic_txrx.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -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;