@@ -276,12 +276,16 @@ struct hh_cache {
* LL_ALLOCATED_SPACE also takes into account the tailroom the device
* may need.
*/
+#define LL_ALIGN(__len) (((__len)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+
#define LL_RESERVED_SPACE(dev) \
- ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ LL_ALIGN((dev)->hard_header_len + (dev)->needed_headroom))
+
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
- ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ LL_ALIGN((dev)->hard_header_len + (dev)->needed_headroom + (extra))
+
#define LL_ALLOCATED_SPACE(dev) \
- ((((dev)->hard_header_len+(dev)->needed_headroom+(dev)->needed_tailroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ LL_ALIGN((dev)->hard_header_len + (dev)->needed_headroom + (dev)->needed_tailroom)
struct header_ops {
int (*create) (struct sk_buff *skb, struct net_device *dev,
@@ -326,6 +326,9 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
unsigned int iphlen;
int err;
struct rtable *rt = *rtp;
+ unsigned int hard_header_len = rt->dst.dev->hard_header_len;
+ unsigned int needed_headroom = rt->dst.dev->needed_headroom;
+ unsigned int needed_tailroom = rt->dst.dev->needed_tailroom;
if (length > rt->dst.dev->mtu) {
ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport,
@@ -336,11 +339,13 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
goto out;
skb = sock_alloc_send_skb(sk,
- length + LL_ALLOCATED_SPACE(rt->dst.dev) + 15,
+ length + LL_ALIGN(hard_header_len +
+ needed_headroom +
+ needed_tailroom) + 15,
flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto error;
- skb_reserve(skb, LL_RESERVED_SPACE(rt->dst.dev));
+ skb_reserve(skb, LL_ALIGN(hard_header_len + needed_headroom));
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
@@ -610,6 +610,9 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
struct sk_buff *skb;
int err;
struct rt6_info *rt = (struct rt6_info *)*dstp;
+ unsigned int hard_header_len = rt->dst.dev->hard_header_len;
+ unsigned int needed_headroom = rt->dst.dev->needed_headroom;
+ unsigned int needed_tailroom = rt->dst.dev->needed_tailroom;
if (length > rt->dst.dev->mtu) {
ipv6_local_error(sk, EMSGSIZE, fl6, rt->dst.dev->mtu);
@@ -619,11 +622,13 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
goto out;
skb = sock_alloc_send_skb(sk,
- length + LL_ALLOCATED_SPACE(rt->dst.dev) + 15,
+ length + LL_ALIGN(hard_header_len +
+ needed_headroom +
+ needed_tailroom) + 15,
flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto error;
- skb_reserve(skb, LL_RESERVED_SPACE(rt->dst.dev));
+ skb_reserve(skb, LL_ALIGN(hard_header_len + needed_headroom));
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;