From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gargi Sharma Subject: [RFC] extensions: libxt_TOS: Add translation to nft Date: Tue, 28 Mar 2017 21:16:12 +0530 Message-ID: <1490715972-30517-1-git-send-email-gs051095@gmail.com> Cc: pablo@netfilter.org, netfilter-devel@vger.kernel.org, Gargi Sharma To: gsoc2013@lists.netfilter.org Return-path: Received: from mail-pg0-f67.google.com ([74.125.83.67]:33628 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751651AbdC1Pqb (ORCPT ); Tue, 28 Mar 2017 11:46:31 -0400 Received: by mail-pg0-f67.google.com with SMTP id 79so22322468pgf.0 for ; Tue, 28 Mar 2017 08:46:30 -0700 (PDT) Sender: netfilter-devel-owner@vger.kernel.org List-ID: Add translation for TOS to nftables. Examples: $ iptables-translate -t mangle -A PREROUTING -p TCP --dport 22 -j TOS --set-tos 0x10 nft add rule ip mangle PREROUTING tcp dport 22 counter --set-tos 0x10/0xff $ iptables-translate -A PREROUTING -t mangle -p tcp --sport ftp-data -j TOS --set-tos 0x02/0x10 nft add rule ip mangle PREROUTING tcp sport 20 counter --set-tos 0x02/0x10 Signed-off-by: Gargi Sharma --- extensions/libxt_TOS.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/extensions/libxt_TOS.c b/extensions/libxt_TOS.c index cef5876..408918b 100644 --- a/extensions/libxt_TOS.c +++ b/extensions/libxt_TOS.c @@ -183,6 +183,26 @@ static void tos_tg_save(const void *ip, const struct xt_entry_target *target) printf(" --set-tos 0x%02x/0x%02x", info->tos_value, info->tos_mask); } +static int tos_xlate(struct xt_xlate *xl, + const struct xt_xlate_tg_params *params) +{ + const struct ipt_tos_target_info *info = + (struct ipt_tos_target_info *) params->target->data; + xt_xlate_add(xl, " --set-tos 0x%02x", info->tos); + + return 1; +} + +static int tos_xlate6(struct xt_xlate *xl, + const struct xt_xlate_tg_params *params) +{ + const struct xt_tos_target_info *info = + (struct xt_tos_target_info *) params->target->data; + xt_xlate_add(xl, " --set-tos 0x%02x/0x%02x", info->tos_value, info->tos_mask); + + return 1; +} + static struct xtables_target tos_tg_reg[] = { { .version = XTABLES_VERSION, @@ -197,6 +217,7 @@ static struct xtables_target tos_tg_reg[] = { .x6_parse = tos_tg_parse_v0, .x6_fcheck = tos_tg_check, .x6_options = tos_tg_opts_v0, + .xlate = tos_xlate, }, { .version = XTABLES_VERSION, @@ -211,6 +232,7 @@ static struct xtables_target tos_tg_reg[] = { .x6_parse = tos_tg_parse, .x6_fcheck = tos_tg_check, .x6_options = tos_tg_opts, + .xlate = tos_xlate6, }, }; -- 2.7.4