pppoe: add extra padding for the header (useful for drivers that need headroom)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16628 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2009-06-29 21:54:11 +00:00
parent 66eee3b1a2
commit f3c0929d37
3 changed files with 60 additions and 0 deletions

View File

@ -0,0 +1,20 @@
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -812,7 +812,7 @@ static int pppoe_sendmsg(struct kiocb *i
goto end;
- skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32,
+ skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32 + NET_SKB_PAD,
0, GFP_KERNEL);
if (!skb) {
error = -ENOMEM;
@@ -820,7 +820,7 @@ static int pppoe_sendmsg(struct kiocb *i
}
/* Reserve space for headers. */
- skb_reserve(skb, dev->hard_header_len);
+ skb_reserve(skb, dev->hard_header_len + NET_SKB_PAD);
skb_reset_network_header(skb);
skb->dev = dev;

View File

@ -0,0 +1,20 @@
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -863,7 +863,7 @@ static int pppoe_sendmsg(struct kiocb *i
goto end;
- skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32,
+ skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32 + NET_SKB_PAD,
0, GFP_KERNEL);
if (!skb) {
error = -ENOMEM;
@@ -871,7 +871,7 @@ static int pppoe_sendmsg(struct kiocb *i
}
/* Reserve space for headers. */
- skb_reserve(skb, dev->hard_header_len);
+ skb_reserve(skb, dev->hard_header_len + NET_SKB_PAD);
skb_reset_network_header(skb);
skb->dev = dev;

View File

@ -0,0 +1,20 @@
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -863,7 +863,7 @@ static int pppoe_sendmsg(struct kiocb *i
goto end;
- skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32,
+ skb = sock_wmalloc(sk, total_len + dev->hard_header_len + 32 + NET_SKB_PAD,
0, GFP_KERNEL);
if (!skb) {
error = -ENOMEM;
@@ -871,7 +871,7 @@ static int pppoe_sendmsg(struct kiocb *i
}
/* Reserve space for headers. */
- skb_reserve(skb, dev->hard_header_len);
+ skb_reserve(skb, dev->hard_header_len + NET_SKB_PAD);
skb_reset_network_header(skb);
skb->dev = dev;