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authorTom Herbert <therbert@google.com>2015-01-12 17:00:37 -0800
committerDavid S. Miller <davem@davemloft.net>2015-01-14 15:20:04 -0500
commita2b12f3c7ac1ea43ae646db74faf0b56c2bba563 (patch)
tree4d2e38b8b963db38a3cff21ec16cf2e4e16a27ed /net/ipv4/fou.c
parentd823ab68fbb0fa504a2490bd499ac921bdf497d8 (diff)
downloadlinux-sh-a2b12f3c7ac1ea43ae646db74faf0b56c2bba563.tar.gz
udp: pass udp_offload struct to UDP gro callbacks
This patch introduces udp_offload_callbacks which has the same GRO functions (but not a GSO function) as offload_callbacks, except there is an argument to a udp_offload struct passed to gro_receive and gro_complete functions. This additional argument can be used to retrieve the per port structure of the encapsulation for use in gro processing (mostly by doing container_of on the structure). Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fou.c')
-rw-r--r--net/ipv4/fou.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 2197c36f722f..3bc0cf07661c 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -174,7 +174,8 @@ drop:
}
static struct sk_buff **fou_gro_receive(struct sk_buff **head,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ struct udp_offload *uoff)
{
const struct net_offload *ops;
struct sk_buff **pp = NULL;
@@ -195,7 +196,8 @@ out_unlock:
return pp;
}
-static int fou_gro_complete(struct sk_buff *skb, int nhoff)
+static int fou_gro_complete(struct sk_buff *skb, int nhoff,
+ struct udp_offload *uoff)
{
const struct net_offload *ops;
u8 proto = NAPI_GRO_CB(skb)->proto;
@@ -254,7 +256,8 @@ static struct guehdr *gue_gro_remcsum(struct sk_buff *skb, unsigned int off,
}
static struct sk_buff **gue_gro_receive(struct sk_buff **head,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ struct udp_offload *uoff)
{
const struct net_offload **offloads;
const struct net_offload *ops;
@@ -360,7 +363,8 @@ out:
return pp;
}
-static int gue_gro_complete(struct sk_buff *skb, int nhoff)
+static int gue_gro_complete(struct sk_buff *skb, int nhoff,
+ struct udp_offload *uoff)
{
const struct net_offload **offloads;
struct guehdr *guehdr = (struct guehdr *)(skb->data + nhoff);