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authorJohannes Berg <johannes@sipsolutions.net>2008-05-13 05:48:31 +0200
committerDavid S. Miller <davem@davemloft.net>2008-05-13 05:48:31 +0200
commitf5184d267c1aedb9b7a8cc44e08ff6b8d382c3b5 (patch)
tree5ccce7558f9e1e53e5b189d6e2fe62a667988ac8 /net/ipv6/raw.c
parentnet: Set LL_MAX_HEADER properly for wireless. (diff)
downloadlinux-f5184d267c1aedb9b7a8cc44e08ff6b8d382c3b5.tar.xz
linux-f5184d267c1aedb9b7a8cc44e08ff6b8d382c3b5.zip
net: Allow netdevices to specify needed head/tailroom
This patch adds needed_headroom/needed_tailroom members to struct net_device and updates many places that allocate sbks to use them. Not all of them can be converted though, and I'm sure I missed some (I mostly grepped for LL_RESERVED_SPACE) Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r--net/ipv6/raw.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 396f0ea11090..232e0dc45bf5 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -609,7 +609,6 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6hdr *iph;
struct sk_buff *skb;
- unsigned int hh_len;
int err;
if (length > rt->u.dst.dev->mtu) {
@@ -619,13 +618,12 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
if (flags&MSG_PROBE)
goto out;
- hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
-
- skb = sock_alloc_send_skb(sk, length+hh_len+15,
- flags&MSG_DONTWAIT, &err);
+ skb = sock_alloc_send_skb(sk,
+ length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
+ flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto error;
- skb_reserve(skb, hh_len);
+ skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;