diff options
Diffstat (limited to 'net/netfilter/nf_conntrack_proto_dccp.c')
-rw-r--r-- | net/netfilter/nf_conntrack_proto_dccp.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index c33f76af..6535326 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -387,7 +387,7 @@ dccp_state_table[CT_DCCP_ROLE_MAX + 1][DCCP_PKT_SYNCACK + 1][CT_DCCP_MAX + 1] = /* this module per-net specifics */ static int dccp_net_id __read_mostly; struct dccp_net { - struct nf_proto_net np; + struct nf_proto_net pn; int dccp_loose; unsigned int dccp_timeout[CT_DCCP_MAX + 1]; }; @@ -815,16 +815,37 @@ static struct ctl_table dccp_sysctl_table[] = { }; #endif /* CONFIG_SYSCTL */ -static int dccp_init_net(struct net *net) +static int dccp_kmemdup_sysctl_table(struct nf_proto_net *pn, + struct dccp_net *dn) { - struct dccp_net *dn = dccp_pernet(net); - struct nf_proto_net *pn = (struct nf_proto_net *)dn; - #ifdef CONFIG_SYSCTL - if (!pn->ctl_table) { -#else - if (!pn->users++) { + if (pn->ctl_table) + return 0; + + pn->ctl_table = kmemdup(dccp_sysctl_table, + sizeof(dccp_sysctl_table), + GFP_KERNEL); + if (!pn->ctl_table) + return -ENOMEM; + + pn->ctl_table[0].data = &dn->dccp_timeout[CT_DCCP_REQUEST]; + pn->ctl_table[1].data = &dn->dccp_timeout[CT_DCCP_RESPOND]; + pn->ctl_table[2].data = &dn->dccp_timeout[CT_DCCP_PARTOPEN]; + pn->ctl_table[3].data = &dn->dccp_timeout[CT_DCCP_OPEN]; + pn->ctl_table[4].data = &dn->dccp_timeout[CT_DCCP_CLOSEREQ]; + pn->ctl_table[5].data = &dn->dccp_timeout[CT_DCCP_CLOSING]; + pn->ctl_table[6].data = &dn->dccp_timeout[CT_DCCP_TIMEWAIT]; + pn->ctl_table[7].data = &dn->dccp_loose; #endif + return 0; +} + +static int dccp_init_net(struct net *net, u_int16_t proto) +{ + struct dccp_net *dn = dccp_pernet(net); + struct nf_proto_net *pn = &dn->pn; + + if (!pn->users) { /* default values */ dn->dccp_loose = 1; dn->dccp_timeout[CT_DCCP_REQUEST] = 2 * DCCP_MSL; @@ -834,24 +855,9 @@ static int dccp_init_net(struct net *net) dn->dccp_timeout[CT_DCCP_CLOSEREQ] = 64 * HZ; dn->dccp_timeout[CT_DCCP_CLOSING] = 64 * HZ; dn->dccp_timeout[CT_DCCP_TIMEWAIT] = 2 * DCCP_MSL; -#ifdef CONFIG_SYSCTL - pn->ctl_table = kmemdup(dccp_sysctl_table, - sizeof(dccp_sysctl_table), - GFP_KERNEL); - if (!pn->ctl_table) - return -ENOMEM; - - pn->ctl_table[0].data = &dn->dccp_timeout[CT_DCCP_REQUEST]; - pn->ctl_table[1].data = &dn->dccp_timeout[CT_DCCP_RESPOND]; - pn->ctl_table[2].data = &dn->dccp_timeout[CT_DCCP_PARTOPEN]; - pn->ctl_table[3].data = &dn->dccp_timeout[CT_DCCP_OPEN]; - pn->ctl_table[4].data = &dn->dccp_timeout[CT_DCCP_CLOSEREQ]; - pn->ctl_table[5].data = &dn->dccp_timeout[CT_DCCP_CLOSING]; - pn->ctl_table[6].data = &dn->dccp_timeout[CT_DCCP_TIMEWAIT]; - pn->ctl_table[7].data = &dn->dccp_loose; -#endif } - return 0; + + return dccp_kmemdup_sysctl_table(pn, dn); } static struct nf_conntrack_l4proto dccp_proto4 __read_mostly = { |