diff options
Diffstat (limited to '')
| -rw-r--r-- | net/netfilter/nf_flow_table_inet.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/net/netfilter/nf_flow_table_inet.c b/net/netfilter/nf_flow_table_inet.c index bc4126d8ef65..0ccabf3fa6aa 100644 --- a/net/netfilter/nf_flow_table_inet.c +++ b/net/netfilter/nf_flow_table_inet.c @@ -6,12 +6,29 @@ #include <linux/rhashtable.h> #include <net/netfilter/nf_flow_table.h> #include <net/netfilter/nf_tables.h> +#include <linux/if_vlan.h> static unsigned int nf_flow_offload_inet_hook(void *priv, struct sk_buff *skb, const struct nf_hook_state *state) { + struct vlan_ethhdr *veth; + __be16 proto; + switch (skb->protocol) { + case htons(ETH_P_8021Q): + veth = (struct vlan_ethhdr *)skb_mac_header(skb); + proto = veth->h_vlan_encapsulated_proto; + break; + case htons(ETH_P_PPP_SES): + proto = nf_flow_pppoe_proto(skb); + break; + default: + proto = skb->protocol; + break; + } + + switch (proto) { case htons(ETH_P_IP): return nf_flow_offload_ip_hook(priv, skb, state); case htons(ETH_P_IPV6): @@ -54,8 +71,30 @@ static struct nf_flowtable_type flowtable_inet = { .owner = THIS_MODULE, }; +static struct nf_flowtable_type flowtable_ipv4 = { + .family = NFPROTO_IPV4, + .init = nf_flow_table_init, + .setup = nf_flow_table_offload_setup, + .action = nf_flow_rule_route_ipv4, + .free = nf_flow_table_free, + .hook = nf_flow_offload_ip_hook, + .owner = THIS_MODULE, +}; + +static struct nf_flowtable_type flowtable_ipv6 = { + .family = NFPROTO_IPV6, + .init = nf_flow_table_init, + .setup = nf_flow_table_offload_setup, + .action = nf_flow_rule_route_ipv6, + .free = nf_flow_table_free, + .hook = nf_flow_offload_ipv6_hook, + .owner = THIS_MODULE, +}; + static int __init nf_flow_inet_module_init(void) { + nft_register_flowtable_type(&flowtable_ipv4); + nft_register_flowtable_type(&flowtable_ipv6); nft_register_flowtable_type(&flowtable_inet); return 0; @@ -64,6 +103,8 @@ static int __init nf_flow_inet_module_init(void) static void __exit nf_flow_inet_module_exit(void) { nft_unregister_flowtable_type(&flowtable_inet); + nft_unregister_flowtable_type(&flowtable_ipv6); + nft_unregister_flowtable_type(&flowtable_ipv4); } module_init(nf_flow_inet_module_init); @@ -71,5 +112,7 @@ module_exit(nf_flow_inet_module_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>"); +MODULE_ALIAS_NF_FLOWTABLE(AF_INET); +MODULE_ALIAS_NF_FLOWTABLE(AF_INET6); MODULE_ALIAS_NF_FLOWTABLE(1); /* NFPROTO_INET */ MODULE_DESCRIPTION("Netfilter flow table mixed IPv4/IPv6 module"); |