From 65fd2c2afac31a4b46a80150347a1748fa9101cb Mon Sep 17 00:00:00 2001 From: Boris Pismenny Date: Thu, 21 Mar 2019 16:41:37 +0200 Subject: xfrm: gso partial offload support This patch introduces support for gso partial ESP offload. Signed-off-by: Boris Pismenny Signed-off-by: Raed Salem Signed-off-by: Steffen Klassert --- net/ipv4/esp4_offload.c | 10 +++++++--- net/xfrm/xfrm_device.c | 3 +++ 2 files changed, 10 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c index 8756e0e790d2..c6c84f2bc41c 100644 --- a/net/ipv4/esp4_offload.c +++ b/net/ipv4/esp4_offload.c @@ -138,9 +138,11 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb, skb->encap_hdr_csum = 1; - if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) + if ((!(skb->dev->gso_partial_features & NETIF_F_HW_ESP) && + !(features & NETIF_F_HW_ESP)) || x->xso.dev != skb->dev) esp_features = features & ~(NETIF_F_SG | NETIF_F_CSUM_MASK); - else if (!(features & NETIF_F_HW_ESP_TX_CSUM)) + else if (!(features & NETIF_F_HW_ESP_TX_CSUM) && + !(skb->dev->gso_partial_features & NETIF_F_HW_ESP_TX_CSUM)) esp_features = features & ~NETIF_F_CSUM_MASK; xo->flags |= XFRM_GSO_SEGMENT; @@ -181,7 +183,9 @@ static int esp_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features_ if (!xo) return -EINVAL; - if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) { + if ((!(features & NETIF_F_HW_ESP) && + !(skb->dev->gso_partial_features & NETIF_F_HW_ESP)) || + x->xso.dev != skb->dev) { xo->flags |= CRYPTO_FALLBACK; hw_offload = false; } diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index 2db1626557c5..e437b60fba51 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -78,6 +78,7 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur } if (!skb->next) { + esp_features |= skb->dev->gso_partial_features; x->outer_mode->xmit(x, skb); xo->flags |= XFRM_DEV_RESUME; @@ -101,6 +102,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur do { struct sk_buff *nskb = skb2->next; + + esp_features |= skb->dev->gso_partial_features; skb_mark_not_on_list(skb2); xo = xfrm_offload(skb2); -- cgit v1.2.3-59-g8ed1b