netdev - [PATCH v3 net-next 4/5] ionic: enable tunnel offloads

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Date:   Wed, 26 Oct 2022 07:37:43 -0700
From:   Shannon Nelson <snelson@...sando.io>
To:     davem@...emloft.net, netdev@...r.kernel.org, kuba@...nel.org,
        leon@...nel.org
Cc:     drivers@...sando.io, Neel Patel <neel@...sando.io>,
        Shannon Nelson <snelson@...sando.io>
Subject: [PATCH v3 net-next 4/5] ionic: enable tunnel offloads

From: Neel Patel <neel@...sando.io>

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

Signed-off-by: Neel Patel <neel@...sando.io>
Signed-off-by: Shannon Nelson <snelson@...sando.io>
---
 drivers/net/ethernet/pensando/ionic/ionic_lif.c  | 8 +++++++-
 drivers/net/ethernet/pensando/ionic/ionic_txrx.c | 8 ++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index f5d39594ef54..4dd16c487f2b 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -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;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index c03986bf2628..190681aa7187 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -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;
-- 
2.17.1