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bonding: add ESP offload features when slaves support

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Add NETIF_F_GSO_ESP bit to bond's gso_partial_features if all slaves
support it, such that ESP segmentation is handled by hardware if possible.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Boris Pismenny <borisp@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241105192721.584822-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jianbo Liu 2024-11-05 21:27:21 +02:00 • committed by Jakub Kicinski
parent 4592de83a4
commit 4861333b42
1 changed files with 9 additions and 0 deletions
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9
drivers/net/bonding/bond_main.c
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@ -1545,6 +1545,7 @@ static void bond_compute_features(struct bonding *bond)
{
unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE |
IFF_XMIT_DST_RELEASE_PERM;
netdev_features_t gso_partial_features = NETIF_F_GSO_ESP;
netdev_features_t vlan_features = BOND_VLAN_FEATURES;
netdev_features_t enc_features = BOND_ENC_FEATURES;
#ifdef CONFIG_XFRM_OFFLOAD
@ -1577,6 +1578,9 @@ static void bond_compute_features(struct bonding *bond)
BOND_XFRM_FEATURES);
#endif /* CONFIG_XFRM_OFFLOAD */
if (slave->dev->hw_enc_features & NETIF_F_GSO_PARTIAL)
gso_partial_features &= slave->dev->gso_partial_features;
mpls_features = netdev_increment_features(mpls_features,
slave->dev->mpls_features,
BOND_MPLS_FEATURES);
@ -1590,6 +1594,11 @@ static void bond_compute_features(struct bonding *bond)
}
bond_dev->hard_header_len = max_hard_header_len;
if (gso_partial_features & NETIF_F_GSO_ESP)
bond_dev->gso_partial_features |= NETIF_F_GSO_ESP;
else
bond_dev->gso_partial_features &= ~NETIF_F_GSO_ESP;
done:
bond_dev->vlan_features = vlan_features;
bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL |