Commit 4861333b authored by Jianbo Liu's avatar Jianbo Liu Committed by Jakub Kicinski
Browse files

bonding: add ESP offload features when slaves support 



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: default avatarJianbo Liu <jianbol@nvidia.com>
Reviewed-by: default avatarBoris Pismenny <borisp@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241105192721.584822-1-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 4592de83

drivers/net/bonding/bond_main.c

+9 −0
Original line number Diff line number Diff line
@@ -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 |