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Message-Id: <ae91f43b6c7d5da24fa74f18daa765adb053e25a.1674835106.git.lucien.xin@gmail.com>
Date: Fri, 27 Jan 2023 10:59:53 -0500
From: Xin Long <lucien.xin@...il.com>
To: network dev <netdev@...r.kernel.org>
Cc: davem@...emloft.net, kuba@...nel.org,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>,
David Ahern <dsahern@...il.com>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
Pravin B Shelar <pshelar@....org>,
Jamal Hadi Salim <jhs@...atatu.com>,
Cong Wang <xiyou.wangcong@...il.com>,
Jiri Pirko <jiri@...nulli.us>,
Pablo Neira Ayuso <pablo@...filter.org>,
Florian Westphal <fw@...len.de>,
Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
Ilya Maximets <i.maximets@....org>,
Aaron Conole <aconole@...hat.com>,
Roopa Prabhu <roopa@...dia.com>,
Nikolay Aleksandrov <razor@...ckwall.org>,
Mahesh Bandewar <maheshb@...gle.com>,
Paul Moore <paul@...l-moore.com>,
Guillaume Nault <gnault@...hat.com>
Subject: [PATCHv3 net-next 07/10] 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 <lucien.xin@...il.com>
---
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 bb1c298c1e78..460b3d4f2245 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))
--
2.31.1
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