From 67f28216ca04b9ba965cd652fea08f670b99a0c6 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Mon, 12 Apr 2021 21:55:41 +0200 Subject: [PATCH] netfilter: conntrack: move autoassign_helper sysctl to net_generic data While at it, make it an u8, no need to use an integer for a boolean. Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso --- include/net/netfilter/nf_conntrack.h | 1 + net/netfilter/nf_conntrack_helper.c | 6 ++++-- net/netfilter/nf_conntrack_standalone.c | 7 +++---- 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index c532b629db7b..db8f047eb75f 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -45,6 +45,7 @@ union nf_conntrack_expect_proto { struct nf_conntrack_net { /* only used when new connection is allocated: */ + u8 sysctl_auto_assign_helper; bool auto_assign_helper_warned; /* only used from work queues, configuration plane, and so on: */ diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index ad91964eaa92..ac396cc8bfae 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -216,7 +216,7 @@ nf_ct_lookup_helper(struct nf_conn *ct, struct net *net) { struct nf_conntrack_net *cnet = net_generic(net, nf_conntrack_net_id); - if (!net->ct.sysctl_auto_assign_helper) { + if (!cnet->sysctl_auto_assign_helper) { if (cnet->auto_assign_helper_warned) return NULL; if (!__nf_ct_helper_find(&ct->tuplehash[IP_CT_DIR_REPLY].tuple)) @@ -560,7 +560,9 @@ static const struct nf_ct_ext_type helper_extend = { void nf_conntrack_helper_pernet_init(struct net *net) { - net->ct.sysctl_auto_assign_helper = nf_ct_auto_assign_helper; + struct nf_conntrack_net *cnet = net_generic(net, nf_conntrack_net_id); + + cnet->sysctl_auto_assign_helper = nf_ct_auto_assign_helper; } int nf_conntrack_helper_init(void) diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index 54d36d3eb905..a7538379cfca 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -662,10 +662,9 @@ static struct ctl_table nf_ct_sysctl_table[] = { }, [NF_SYSCTL_CT_HELPER] = { .procname = "nf_conntrack_helper", - .data = &init_net.ct.sysctl_auto_assign_helper, - .maxlen = sizeof(int), + .maxlen = sizeof(u8), .mode = 0644, - .proc_handler = proc_dointvec_minmax, + .proc_handler = proc_dou8vec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, @@ -1042,7 +1041,7 @@ static int nf_conntrack_standalone_init_sysctl(struct net *net) table[NF_SYSCTL_CT_CHECKSUM].data = &net->ct.sysctl_checksum; table[NF_SYSCTL_CT_LOG_INVALID].data = &net->ct.sysctl_log_invalid; table[NF_SYSCTL_CT_ACCT].data = &net->ct.sysctl_acct; - table[NF_SYSCTL_CT_HELPER].data = &net->ct.sysctl_auto_assign_helper; + table[NF_SYSCTL_CT_HELPER].data = &cnet->sysctl_auto_assign_helper; #ifdef CONFIG_NF_CONNTRACK_EVENTS table[NF_SYSCTL_CT_EVENTS].data = &net->ct.sysctl_events; #endif -- 2.11.0