Re: [Qemu-devel] [PATCH v2] linux-user: Add missing IPV6 sockopts

[Laurent Vivier]

On 10/03/2019 12:12, Helge Deller wrote:
> When running ssh over IPv6 with linux-user I faced this warning:
>  Unsupported setsockopt level=41 optname=67
>  setsockopt IPV6_TCLASS 32: Protocol not available:
> 
> This patch adds code to the linux-user emulatation for setting and
> retrieving of a few missing IPV6 options, including IPV6_TCLASS.
> 
> Signed-off-by: Helge Deller <address@hidden>
> 
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 208fd1813d..0da51b1208 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -1871,6 +1874,20 @@ static abi_long do_setsockopt(int sockfd, int level, 
> int optname,
>          case IPV6_RECVHOPLIMIT:
>          case IPV6_2292HOPLIMIT:
>          case IPV6_CHECKSUM:
> +        case IPV6_ADDRFORM:
> +        case IPV6_2292PKTINFO:
> +        case IPV6_RECVTCLASS:
> +        case IPV6_RECVRTHDR:
> +        case IPV6_2292RTHDR:
> +        case IPV6_RECVHOPOPTS:
> +        case IPV6_2292HOPOPTS:
> +        case IPV6_RECVDSTOPTS:
> +        case IPV6_2292DSTOPTS:
> +        case IPV6_TCLASS:
> +        case IPV6_RECVPATHMTU:
> +        case IPV6_TRANSPARENT:
> +        case IPV6_FREEBIND:
> +        case IPV6_RECVORIGDSTADDR:
>              val = 0;
>              if (optlen < sizeof(uint32_t)) {
>                  return -TARGET_EINVAL;
> @@ -2365,6 +2382,20 @@ static abi_long do_getsockopt(int sockfd, int level, 
> int optname,
>          case IPV6_RECVHOPLIMIT:
>          case IPV6_2292HOPLIMIT:
>          case IPV6_CHECKSUM:
> +        case IPV6_ADDRFORM:
> +        case IPV6_2292PKTINFO:
> +        case IPV6_RECVTCLASS:
> +        case IPV6_RECVRTHDR:
> +        case IPV6_2292RTHDR:
> +        case IPV6_RECVHOPOPTS:
> +        case IPV6_2292HOPOPTS:
> +        case IPV6_RECVDSTOPTS:
> +        case IPV6_2292DSTOPTS:
> +        case IPV6_TCLASS:
> +        case IPV6_RECVPATHMTU:
> +        case IPV6_TRANSPARENT:
> +        case IPV6_FREEBIND:
> +        case IPV6_RECVORIGDSTADDR:
>              if (get_user_u32(len, optlen))
>                  return -TARGET_EFAULT;
>              if (len < 0)
> 

Applied to my linux-user branch.

Thanks,
Laurent