From 50e6fb5c6efb2b33b15ea490dfe355cb312f6eb5 Mon Sep 17 00:00:00 2001 From: Xin Long Date: Sat, 28 Jan 2023 10:58:36 -0500 Subject: [PATCH] ipvlan: use skb_ip_totlen in ipvlan_get_L3_hdr ipvlan devices calls netif_inherit_tso_max() to get the tso_max_size/segs from the lower device, so when lower device supports BIG TCP, the ipvlan devices support it too. We also should consider its iph tot_len accessing. Signed-off-by: Xin Long Reviewed-by: Eric Dumazet Signed-off-by: Jakub Kicinski --- drivers/net/ipvlan/ipvlan_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index bb1c298..460b3d4 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -157,7 +157,7 @@ void *ipvlan_get_L3_hdr(struct ipvl_port *port, struct sk_buff *skb, int *type) return NULL; ip4h = ip_hdr(skb); - pktlen = ntohs(ip4h->tot_len); + pktlen = skb_ip_totlen(skb); if (ip4h->ihl < 5 || ip4h->version != 4) return NULL; if (skb->len < pktlen || pktlen < (ip4h->ihl * 4)) -- 2.7.4