netdev - Re: [PATCH net-next 3/5] ipv4: support sport, dport and ip protocol in RTM

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Date:   Mon, 16 Apr 2018 20:57:02 -0700
From:   Roopa Prabhu <roopa@...ulusnetworks.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        David Ahern <dsa@...ulusnetworks.com>
Subject: Re: [PATCH net-next 3/5] ipv4: support sport, dport and ip protocol
 in RTM_GETROUTE

On Mon, Apr 16, 2018 at 3:58 PM, David Miller <davem@...emloft.net> wrote:
> From: Roopa Prabhu <roopa@...ulusnetworks.com>
> Date: Mon, 16 Apr 2018 13:41:36 -0700
>
>> diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
>> index 9b15005..7947252 100644
>> --- a/include/uapi/linux/rtnetlink.h
>> +++ b/include/uapi/linux/rtnetlink.h
>> @@ -327,6 +327,9 @@ enum rtattr_type_t {
>>       RTA_PAD,
>>       RTA_UID,
>>       RTA_TTL_PROPAGATE,
>> +     RTA_SPORT,
>> +     RTA_DPORT,
>> +     RTA_IP_PROTO,
>>       __RTA_MAX
>>  };
>>
>> diff --git a/net/ipv4/route.c b/net/ipv4/route.c
>> index ccb25d8..ae55711 100644
>> --- a/net/ipv4/route.c
>> +++ b/net/ipv4/route.c
>> @@ -2663,6 +2663,18 @@ static int rt_fill_info(struct net *net,  __be32 dst, __be32 src, u32 table_id,
>>                       from_kuid_munged(current_user_ns(), fl4->flowi4_uid)))
>>               goto nla_put_failure;
>>
>> +     if (fl4->fl4_sport &&
>> +         nla_put_u16(skb, RTA_SPORT, ntohs(fl4->fl4_sport)))
>> +             goto nla_put_failure;
>
> The addreeses are given over netlink in network byte order, so let's
> be consistent and do the same for the ports et al. as well.
>

will do, thanks.