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From: Felix Fietkau <nbd@nbd.name>
Subject: pppoe: add extra padding for the header (useful for drivers that need headroom)
lede-commit 6517a757ec711fc3354b857e273e2621042f3c7a
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/ppp/pppoe.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index 4ddae8118c85..49ef11f92fc9 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -861,7 +861,7 @@ static int pppoe_sendmsg(struct socket *sock, struct msghdr *m,
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;
@@ -869,7 +869,7 @@ static int pppoe_sendmsg(struct socket *sock, struct msghdr *m,
}
/* 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;
--
2.11.0
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