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 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'net/ipv4/esp4_offload.c') 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; } -- cgit v1.2.3-59-g8ed1b