Hi Pablo, On Sat, 11 Jan 2025, Pablo Neira Ayuso wrote: > On Sat, Jan 11, 2025 at 02:31:18PM +0100, Jozsef Kadlecsik wrote: > > > > On Fri, 10 Jan 2025, Maciej Żenczykowski wrote: > > > > > nvm - https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/netfilter/xt_mark.c?id=306ed1728e8438caed30332e1ab46b28c25fe3d8 > > > > Sorry, but I don't understand the patch at all. With it applied now it'd > > be not possible to load in the "MARK" target with IPv4. The code segment > > after the patch: > > > > static struct xt_target mark_tg_reg[] __read_mostly = { > > { > > .name = "MARK", > > .revision = 2, > > .family = NFPROTO_IPV6, > > .target = mark_tg, > > .targetsize = sizeof(struct xt_mark_tginfo2), > > .me = THIS_MODULE, > > }, > > #if IS_ENABLED(CONFIG_IP_NF_ARPTABLES) > > { > > .name = "MARK", > > .revision = 2, > > .family = NFPROTO_ARP, > > .target = mark_tg, > > .targetsize = sizeof(struct xt_mark_tginfo2), > > .me = THIS_MODULE, > > }, > > #endif > > #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) > > { > > .name = "MARK", > > .revision = 2, > > .family = NFPROTO_IPV6, > > .target = mark_tg, > > .targetsize = sizeof(struct xt_mark_tginfo2), > > .me = THIS_MODULE, > > }, > > #endif > > }; > > > > How is it supposed to work for IPv4? > > > > Why the "IS_ENABLED(CONFIG_IP6_NF_IPTABLES)" part was not enough for the > > IPv6-specific MARK target to be compiled in? Isn't it an issue about > > selecting CONFIG_IP6_NF_IPTABLES vs CONFIG_IP6_NF_IPTABLES_LEGACY? > > This was fixed by an incremental patch: > > 306ed1728e84 ("netfilter: xtables: fix typo causing some targets not to load on IPv6") > > so there is no two MARK targets for NFPROTO_IPV6. No, it was my fault not checking the patch properly. It's completely fine, sorry for the noise! Best regards, Jozsef -- E-mail : kadlec@xxxxxxxxxxxxx, kadlec@xxxxxxxxxxxxxxxxx, kadlecsik.jozsef@xxxxxxxxx Address: Wigner Research Centre for Physics H-1525 Budapest 114, POB. 49, Hungary