On Sun, Oct 15, 2017 at 5:46 PM, Aastha Gupta
<aastha.gupta4104@xxxxxxxxx> wrote:
> Since path mtu support was added, we can now add
> iptables-compat translation for TCPMSS extension.
>
> Signed-off-by: Aastha Gupta <aastha.gupta4104@xxxxxxxxx>
> ---
> changes in v3:
> - fixed alignment issues
>
> extensions/libxt_TCPMSS.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/extensions/libxt_TCPMSS.c b/extensions/libxt_TCPMSS.c
> index 4b71e44..0d9b200 100644
> --- a/extensions/libxt_TCPMSS.c
> +++ b/extensions/libxt_TCPMSS.c
> @@ -91,6 +91,19 @@ static void TCPMSS_save(const void *ip, const
> struct xt_entry_target *target)
> printf(" --set-mss %u", mssinfo->mss);
> }
>
> +static int TCPMSS_xlate(struct xt_xlate *xl,
> + const struct xt_xlate_tg_params *params)
> +{
> + const struct xt_tcpmss_info *mssinfo =
> + (const struct xt_tcpmss_info *)params->target->data;
> + if (mssinfo->mss == XT_TCPMSS_CLAMP_PMTU)
> + xt_xlate_add(xl, "tcp option maxseg size set rt mtu");
> + else
> + xt_xlate_add(xl, "tcp option maxseg size set %d", mssinfo->mss);
> +
> + return 1;
> +}
> +
> static struct xtables_target tcpmss_tg_reg[] = {
> {
> .family = NFPROTO_IPV4,
> @@ -104,6 +117,7 @@ static struct xtables_target tcpmss_tg_reg[] = {
> .x6_parse = TCPMSS_parse,
> .x6_fcheck = TCPMSS_check,
> .x6_options = TCPMSS4_opts,
> + .xlate = TCPMSS_xlate,
> },
> {
> .family = NFPROTO_IPV6,
> --
> 2.7.4
Please ignore this patch as this patch really dosen't solve anything.
The v2 of this patch should be considered instead.
Aastha
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