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net: Allow IPsec GSO for local sockets 

This patch allows local sockets to make use of XFRM GSO code path.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
This commit is contained in:
Steffen Klassert 2017-08-01 12:49:10 +03:00
parent 7e9e9202bc
commit f70f250a77
2 changed files with 20 additions and 1 deletions
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19
include/net/xfrm.h
View File

@ -1858,6 +1858,20 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
struct xfrm_user_offload *xuo); struct xfrm_user_offload *xuo);
bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x); bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x);
static inline bool xfrm_dst_offload_ok(struct dst_entry *dst)
{
struct xfrm_state *x = dst->xfrm;
if (!x || !x->type_offload)
return false;
if (x->xso.offload_handle && (x->xso.dev == dst->path->dev) &&
!dst->child->xfrm)
return true;
return false;
}
static inline void xfrm_dev_state_delete(struct xfrm_state *x) static inline void xfrm_dev_state_delete(struct xfrm_state *x)
{ {
struct xfrm_state_offload *xso = &x->xso; struct xfrm_state_offload *xso = &x->xso;
@ -1900,6 +1914,11 @@ static inline bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x
{ {
return false; return false;
} }
static inline bool xfrm_dst_offload_ok(struct dst_entry *dst)
{
return false;
}
#endif #endif
static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m) static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)

2
net/core/sock.c
View File

@ -1757,7 +1757,7 @@ void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
sk->sk_route_caps |= NETIF_F_GSO_SOFTWARE; sk->sk_route_caps |= NETIF_F_GSO_SOFTWARE;
sk->sk_route_caps &= ~sk->sk_route_nocaps; sk->sk_route_caps &= ~sk->sk_route_nocaps;
if (sk_can_gso(sk)) { if (sk_can_gso(sk)) {
if (dst->header_len) { if (dst->header_len && !xfrm_dst_offload_ok(dst)) {
sk->sk_route_caps &= ~NETIF_F_GSO_MASK; sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
} else { } else {
sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM; sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM;