netdev - Re: [PATCH net-next v2 07/12] gtp: use ephemeral source port

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Message-ID: <98f0ddde-e98f-67d5-7506-e197f69b281f@norrbonn.se>
Date:   Sat, 12 Dec 2020 08:49:41 +0100
From:   Jonas Bonn <jonas@...rbonn.se>
To:     Pravin Shelar <pravin.ovn@...il.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Pablo Neira Ayuso <pablo@...filter.org>, laforge@...monks.org
Subject: Re: [PATCH net-next v2 07/12] gtp: use ephemeral source port



On 12/12/2020 06:35, Pravin Shelar wrote:
> On Fri, Dec 11, 2020 at 4:29 AM Jonas Bonn <jonas@...rbonn.se> wrote:

>>          /* Read the IP destination address and resolve the PDP context.
>> @@ -527,6 +527,10 @@ static int gtp_xmit_ip4(struct sk_buff *skb, struct net_device *dev)
>>                  return -EMSGSIZE;
>>          }
>>
>> +       sport = udp_flow_src_port(sock_net(pctx->sk), skb,
>> +                       0, USHRT_MAX,
>> +                       true);
>> +
> why use_eth is true for this is L3 GTP devices, Am missing something?

No, you are right.  Will fix.

/Jonas