git: d2fcc95d3404 - stable/13 - mlx5en: announce mce(4) capabilities for stateless VxLAN offloading

[Konstantin Belousov]

The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=d2fcc95d340468ff78ff667b9fda6e56ea92cf1f

commit d2fcc95d340468ff78ff667b9fda6e56ea92cf1f
Author:     Konstantin Belousov <konstantinb at nvidia.com>
AuthorDate: 2021-04-06 03:46:12 +0000
Commit:     Konstantin Belousov <kib at FreeBSD.org>
CommitDate: 2021-07-26 13:51:10 +0000

    mlx5en: announce mce(4) capabilities for stateless VxLAN offloading
    
    (cherry picked from commit bf202a8d7afb2e024d3d29d4d90e24b3925e9f06)
---
 sys/dev/mlx5/mlx5_en/mlx5_en_main.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
index b5de6b3903fd..26bd5e00d22d 100644
--- a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
+++ b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
@@ -3446,6 +3446,21 @@ mlx5e_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
 			ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
 		if (mask & IFCAP_WOL_MAGIC)
 			ifp->if_capenable ^= IFCAP_WOL_MAGIC;
+		if (mask & IFCAP_VXLAN_HWCSUM) {
+			ifp->if_capenable ^= IFCAP_VXLAN_HWCSUM;
+			ifp->if_hwassist ^= CSUM_INNER_IP | CSUM_INNER_IP_UDP |
+			    CSUM_INNER_IP_TCP | CSUM_INNER_IP6_UDP |
+			    CSUM_INNER_IP6_TCP;
+			if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
+				mlx5e_close_locked(ifp);
+				mlx5e_open_locked(ifp);
+			}
+		}
+		if (mask & IFCAP_VXLAN_HWTSO) {
+			ifp->if_capenable ^= IFCAP_VXLAN_HWTSO;
+			ifp->if_hwassist ^= CSUM_INNER_IP_TSO |
+			    CSUM_INNER_IP6_TSO;
+		}
 
 		VLAN_CAPABILITIES(ifp);
 		/* turn off LRO means also turn of HW LRO - if it's on */
@@ -4421,6 +4436,7 @@ mlx5e_create_ifp(struct mlx5_core_dev *mdev)
 #ifdef RATELIMIT
 	ifp->if_capabilities |= IFCAP_TXRTLMT | IFCAP_TXTLS_RTLMT;
 #endif
+	ifp->if_capabilities |= IFCAP_VXLAN_HWCSUM | IFCAP_VXLAN_HWTSO;
 	ifp->if_snd_tag_alloc = mlx5e_snd_tag_alloc;
 	ifp->if_snd_tag_free = mlx5e_snd_tag_free;
 	ifp->if_snd_tag_modify = mlx5e_snd_tag_modify;
@@ -4441,6 +4457,12 @@ mlx5e_create_ifp(struct mlx5_core_dev *mdev)
 		ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP);
 	if (ifp->if_capenable & IFCAP_TXCSUM_IPV6)
 		ifp->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
+	if (ifp->if_capabilities & IFCAP_VXLAN_HWCSUM)
+		ifp->if_hwassist |= CSUM_INNER_IP6_UDP | CSUM_INNER_IP6_TCP |
+		    CSUM_INNER_IP | CSUM_INNER_IP_UDP | CSUM_INNER_IP_TCP |
+		    CSUM_ENCAP_VXLAN;
+	if (ifp->if_capabilities  & IFCAP_VXLAN_HWTSO)
+		ifp->if_hwassist |= CSUM_INNER_IP6_TSO | CSUM_INNER_IP_TSO;
 
 	/* ifnet sysctl tree */
 	sysctl_ctx_init(&priv->sysctl_ctx);