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| author |   Eyal Birger <eyal.birger@gmail.com> | 2021-01-06 08:10:46 +0200 |
|---|---|---|
| committer |   Steffen Klassert <steffen.klassert@secunet.com> | 2021-01-08 12:59:34 +0100 |
| commit | 18f976960bca0c32c5a072a2e003a99c156268bc (patch) | |
| tree | f816e9e14355d7711f9063f0de1130bbceefd7f5 /net/xfrm | |
| parent | net-next: docs: Fix typos in snmp_counter.rst (diff) | |
| download | linux-dev-18f976960bca0c32c5a072a2e003a99c156268bc.tar.xz linux-dev-18f976960bca0c32c5a072a2e003a99c156268bc.zip | |
xfrm: interface: enable TSO on xfrm interfaces
Underlying xfrm output supports gso packets.
Declare support in hw_features and adapt the xmit MTU check to pass GSO
packets.
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_interface.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c index 697cdcfbb5e1..495b1f5c979b 100644 --- a/net/xfrm/xfrm_interface.c +++ b/net/xfrm/xfrm_interface.c @@ -296,7 +296,8 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) } mtu = dst_mtu(dst); - if (skb->len > mtu) { + if ((!skb_is_gso(skb) && skb->len > mtu) || + (skb_is_gso(skb) && !skb_gso_validate_network_len(skb, mtu))) { skb_dst_update_pmtu_no_confirm(skb, mtu); if (skb->protocol == htons(ETH_P_IPV6)) { @@ -564,6 +565,11 @@ static void xfrmi_dev_setup(struct net_device *dev) eth_broadcast_addr(dev->broadcast); } +#define XFRMI_FEATURES (NETIF_F_SG | \ + NETIF_F_FRAGLIST | \ + NETIF_F_GSO_SOFTWARE | \ + NETIF_F_HW_CSUM) + static int xfrmi_dev_init(struct net_device *dev) { struct xfrm_if *xi = netdev_priv(dev); @@ -581,6 +587,8 @@ static int xfrmi_dev_init(struct net_device *dev) } dev->features |= NETIF_F_LLTX; + dev->features |= XFRMI_FEATURES; + dev->hw_features |= XFRMI_FEATURES; if (phydev) { dev->needed_headroom = phydev->needed_headroom; |