diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ipvs/ip_vs_core.c | 104 | ||||
| -rw-r--r-- | net/sched/sch_ingress.c | 44 |
2 files changed, 57 insertions, 91 deletions
diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c index 30e8f757152..f5ba606f054 100644 --- a/net/ipv4/ipvs/ip_vs_core.c +++ b/net/ipv4/ipvs/ip_vs_core.c @@ -1025,43 +1025,42 @@ ip_vs_forward_icmp(unsigned int hooknum, struct sk_buff *skb, } -/* After packet filtering, forward packet through VS/DR, VS/TUN, - or VS/NAT(change destination), so that filtering rules can be - applied to IPVS. */ -static struct nf_hook_ops ip_vs_in_ops = { - .hook = ip_vs_in, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_INET_LOCAL_IN, - .priority = 100, -}; - -/* After packet filtering, change source only for VS/NAT */ -static struct nf_hook_ops ip_vs_out_ops = { - .hook = ip_vs_out, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_INET_FORWARD, - .priority = 100, -}; - -/* After packet filtering (but before ip_vs_out_icmp), catch icmp - destined for 0.0.0.0/0, which is for incoming IPVS connections */ -static struct nf_hook_ops ip_vs_forward_icmp_ops = { - .hook = ip_vs_forward_icmp, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_INET_FORWARD, - .priority = 99, -}; - -/* Before the netfilter connection tracking, exit from POST_ROUTING */ -static struct nf_hook_ops ip_vs_post_routing_ops = { - .hook = ip_vs_post_routing, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_INET_POST_ROUTING, - .priority = NF_IP_PRI_NAT_SRC-1, +static struct nf_hook_ops ip_vs_ops[] = { + /* After packet filtering, forward packet through VS/DR, VS/TUN, + * or VS/NAT(change destination), so that filtering rules can be + * applied to IPVS. */ + { + .hook = ip_vs_in, + .owner = THIS_MODULE, + .pf = PF_INET, + .hooknum = NF_INET_LOCAL_IN, + .priority = 100, + }, + /* After packet filtering, change source only for VS/NAT */ + { + .hook = ip_vs_out, + .owner = THIS_MODULE, + .pf = PF_INET, + .hooknum = NF_INET_FORWARD, + .priority = 100, + }, + /* After packet filtering (but before ip_vs_out_icmp), catch icmp + * destined for 0.0.0.0/0, which is for incoming IPVS connections */ + { + .hook = ip_vs_forward_icmp, + .owner = THIS_MODULE, + .pf = PF_INET, + .hooknum = NF_INET_FORWARD, + .priority = 99, + }, + /* Before the netfilter connection tracking, exit from POST_ROUTING */ + { + .hook = ip_vs_post_routing, + .owner = THIS_MODULE, + .pf = PF_INET, + .hooknum = NF_INET_POST_ROUTING, + .priority = NF_IP_PRI_NAT_SRC-1, + }, }; @@ -1092,37 +1091,15 @@ static int __init ip_vs_init(void) goto cleanup_app; } - ret = nf_register_hook(&ip_vs_in_ops); + ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops)); if (ret < 0) { - IP_VS_ERR("can't register in hook.\n"); + IP_VS_ERR("can't register hooks.\n"); goto cleanup_conn; } - ret = nf_register_hook(&ip_vs_out_ops); - if (ret < 0) { - IP_VS_ERR("can't register out hook.\n"); - goto cleanup_inops; - } - ret = nf_register_hook(&ip_vs_post_routing_ops); - if (ret < 0) { - IP_VS_ERR("can't register post_routing hook.\n"); - goto cleanup_outops; - } - ret = nf_register_hook(&ip_vs_forward_icmp_ops); - if (ret < 0) { - IP_VS_ERR("can't register forward_icmp hook.\n"); - goto cleanup_postroutingops; - } - IP_VS_INFO("ipvs loaded.\n"); return ret; - cleanup_postroutingops: - nf_unregister_hook(&ip_vs_post_routing_ops); - cleanup_outops: - nf_unregister_hook(&ip_vs_out_ops); - cleanup_inops: - nf_unregister_hook(&ip_vs_in_ops); cleanup_conn: ip_vs_conn_cleanup(); cleanup_app: @@ -1136,10 +1113,7 @@ static int __init ip_vs_init(void) static void __exit ip_vs_cleanup(void) { - nf_unregister_hook(&ip_vs_forward_icmp_ops); - nf_unregister_hook(&ip_vs_post_routing_ops); - nf_unregister_hook(&ip_vs_out_ops); - nf_unregister_hook(&ip_vs_in_ops); + nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops)); ip_vs_conn_cleanup(); ip_vs_app_cleanup(); ip_vs_protocol_cleanup(); diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index 902d82ea764..f4af9b604f3 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -231,20 +231,21 @@ ing_hook(unsigned int hook, struct sk_buff *skb, } /* after ipt_filter */ -static struct nf_hook_ops ing_ops = { - .hook = ing_hook, - .owner = THIS_MODULE, - .pf = PF_INET, - .hooknum = NF_INET_PRE_ROUTING, - .priority = NF_IP_PRI_FILTER + 1, -}; - -static struct nf_hook_ops ing6_ops = { - .hook = ing_hook, - .owner = THIS_MODULE, - .pf = PF_INET6, - .hooknum = NF_INET_PRE_ROUTING, - .priority = NF_IP6_PRI_FILTER + 1, +static struct nf_hook_ops ing_ops[] = { + { + .hook = ing_hook, + .owner = THIS_MODULE, + .pf = PF_INET, + .hooknum = NF_INET_PRE_ROUTING, + .priority = NF_IP_PRI_FILTER + 1, + }, + { + .hook = ing_hook, + .owner = THIS_MODULE, + .pf = PF_INET6, + .hooknum = NF_INET_PRE_ROUTING, + .priority = NF_IP6_PRI_FILTER + 1, + }, }; #endif @@ -268,17 +269,11 @@ static int ingress_init(struct Qdisc *sch,struct rtattr *opt) #ifndef CONFIG_NET_CLS_ACT #ifdef CONFIG_NETFILTER if (!nf_registered) { - if (nf_register_hook(&ing_ops) < 0) { + if (nf_register_hooks(ing_ops, ARRAY_SIZE(ing_ops)) < 0) { printk("ingress qdisc registration error \n"); return -EINVAL; } nf_registered++; - - if (nf_register_hook(&ing6_ops) < 0) { - printk("IPv6 ingress qdisc registration error, " \ - "disabling IPv6 support.\n"); - } else - nf_registered++; } #endif #endif @@ -385,11 +380,8 @@ static void __exit ingress_module_exit(void) unregister_qdisc(&ingress_qdisc_ops); #ifndef CONFIG_NET_CLS_ACT #ifdef CONFIG_NETFILTER - if (nf_registered) { - nf_unregister_hook(&ing_ops); - if (nf_registered > 1) - nf_unregister_hook(&ing6_ops); - } + if (nf_registered) + nf_unregister_hooks(ing_ops, ARRAY_SIZE(ing_ops)); #endif #endif } |