Re: [PATCH net v3] ipvs: fix MTU check for GSO packets in tunnel mode

[Julian Anastasov <ja@xxxxxx>]

        Hello,

On Fri, 10 Apr 2026, Pablo Neira Ayuso wrote:

> On Thu, Apr 02, 2026 at 10:46:16PM +0800, Yingnan Zhang wrote:
> > +   } else if (skb->len > mtu &&
> > +              !(skb_is_gso(skb) && skb_gso_validate_network_len(skb, 
> > mtu))) {
> 
> Maybe helper function helps make this more readable?
> 
> /* Based on ip_exceeds_mtu(). */
> static bool ip_vs_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
> {
>         if (skb->len <= mtu)
>                 return false;
> 
>         if (skb_is_gso(skb) && skb_gso_validate_network_len(skb, mtu))
>                 return false;
> 
>         return true;
> }

        Good idea! Yingnan Zhang, please send v4 by adding
this new function before __mtu_check_toobig_v6()...

Regards

--
Julian Anastasov <ja@xxxxxx>