On Sun, 07 Dec 2025 17:06:40 +0100 Lorenzo Bianconi wrote:
Introduce SW acceleration for IP6IP6 tunnels in the netfilter flowtable infrastructure.
tc-testing build fails with this:
net/netfilter/nf_flow_table_ip.c: In function ‘nf_flow_ip6_tunnel_proto’: net/netfilter/nf_flow_table_ip.c:370:42: error: ‘inet6_protos’ undeclared (first use in this function); did you mean ‘inet_protos’? 370 | ipprot = rcu_dereference(inet6_protos[nexthdr]); | ^~~~~~~~~~~~ ./include/linux/rcupdate.h:532:17: note: in definition of macro ‘__rcu_dereference_check’ 532 | typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \ | ^ ./include/linux/rcupdate.h:770:28: note: in expansion of macro ‘rcu_dereference_check’ 770 | #define rcu_dereference(p) rcu_dereference_check(p, 0) | ^~~~~~~~~~~~~~~~~~~~~ net/netfilter/nf_flow_table_ip.c:370:26: note: in expansion of macro ‘rcu_dereference’ 370 | ipprot = rcu_dereference(inet6_protos[nexthdr]); | ^~~~~~~~~~~~~~~ net/netfilter/nf_flow_table_ip.c:370:42: note: each undeclared identifier is reported only once for each function it appears in 370 | ipprot = rcu_dereference(inet6_protos[nexthdr]); | ^~~~~~~~~~~~ ./include/linux/rcupdate.h:532:17: note: in definition of macro ‘__rcu_dereference_check’ 532 | typeof(*p) *local = (typeof(*p) *__force)READ_ONCE(p); \ | ^ ./include/linux/rcupdate.h:770:28: note: in expansion of macro ‘rcu_dereference_check’ 770 | #define rcu_dereference(p) rcu_dereference_check(p, 0) | ^~~~~~~~~~~~~~~~~~~~~ net/netfilter/nf_flow_table_ip.c:370:26: note: in expansion of macro ‘rcu_dereference’ 370 | ipprot = rcu_dereference(inet6_protos[nexthdr]); | ^~~~~~~~~~~~~~~ net/netfilter/nf_flow_table_ip.c:374:27: error: invalid use of undefined type ‘const struct inet6_protocol’ 374 | if (ipprot->flags & INET6_PROTO_FINAL) { | ^~ net/netfilter/nf_flow_table_ip.c:374:37: error: ‘INET6_PROTO_FINAL’ undeclared (first use in this function) 374 | if (ipprot->flags & INET6_PROTO_FINAL) { | ^~~~~~~~~~~~~~~~~ net/netfilter/nf_flow_table_ip.c:383:29: error: invalid use of undefined type ‘const struct inet6_protocol’ 383 | ret = ipprot->handler(skb); | ^~