netdev - Re: [PATCH net] selftests/net: Interpret UDP

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Date:   Mon, 20 Feb 2023 08:30:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jakub Sitnicki <jakub@...udflare.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, kernel-team@...udflare.com
Subject: Re: [PATCH net] selftests/net: Interpret UDP_GRO cmsg data as an int
 value

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Thu, 16 Feb 2023 13:43:40 +0100 you wrote:
> Data passed to user-space with a (SOL_UDP, UDP_GRO) cmsg carries an
> int (see udp_cmsg_recv), not a u16 value, as strace confirms:
> 
>   recvmsg(8, {msg_name=...,
>               msg_iov=[{iov_base="\0\0..."..., iov_len=96000}],
>               msg_iovlen=1,
>               msg_control=[{cmsg_len=20,         <-- sizeof(cmsghdr) + 4
>                             cmsg_level=SOL_UDP,
>                             cmsg_type=0x68}],    <-- UDP_GRO
>                             msg_controllen=24,
>                             msg_flags=0}, 0) = 11200
> 
> [...]

Here is the summary with links:
  - [net] selftests/net: Interpret UDP_GRO cmsg data as an int value
    https://git.kernel.org/netdev/net/c/436864095a95

You are awesome, thank you!
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