diff options
Diffstat (limited to 'target/linux/generic/backport-4.14/325-v4.16-netfilter-flow-table-support-for-the-mixed-IPv4-IPv6.patch')
| -rw-r--r-- | target/linux/generic/backport-4.14/325-v4.16-netfilter-flow-table-support-for-the-mixed-IPv4-IPv6.patch | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/target/linux/generic/backport-4.14/325-v4.16-netfilter-flow-table-support-for-the-mixed-IPv4-IPv6.patch b/target/linux/generic/backport-4.14/325-v4.16-netfilter-flow-table-support-for-the-mixed-IPv4-IPv6.patch deleted file mode 100644 index 04948d88ab..0000000000 --- a/target/linux/generic/backport-4.14/325-v4.16-netfilter-flow-table-support-for-the-mixed-IPv4-IPv6.patch +++ /dev/null @@ -1,141 +0,0 @@ -From: Pablo Neira Ayuso <pablo@netfilter.org> -Date: Sun, 7 Jan 2018 01:04:22 +0100 -Subject: [PATCH] netfilter: flow table support for the mixed IPv4/IPv6 family - -This patch adds the IPv6 flow table type, that implements the datapath -flow table to forward IPv6 traffic. - -Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> ---- - create mode 100644 net/netfilter/nf_flow_table_inet.c - ---- a/include/net/netfilter/nf_flow_table.h -+++ b/include/net/netfilter/nf_flow_table.h -@@ -111,6 +111,11 @@ struct flow_ports { - __be16 source, dest; - }; - -+unsigned int nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb, -+ const struct nf_hook_state *state); -+unsigned int nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb, -+ const struct nf_hook_state *state); -+ - #define MODULE_ALIAS_NF_FLOWTABLE(family) \ - MODULE_ALIAS("nf-flowtable-" __stringify(family)) - ---- a/net/ipv4/netfilter/nf_flow_table_ipv4.c -+++ b/net/ipv4/netfilter/nf_flow_table_ipv4.c -@@ -202,7 +202,7 @@ static bool nf_flow_exceeds_mtu(struct s - return false; - } - --static unsigned int -+unsigned int - nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb, - const struct nf_hook_state *state) - { -@@ -254,6 +254,7 @@ nf_flow_offload_ip_hook(void *priv, stru - - return NF_STOLEN; - } -+EXPORT_SYMBOL_GPL(nf_flow_offload_ip_hook); - - static struct nf_flowtable_type flowtable_ipv4 = { - .family = NFPROTO_IPV4, ---- a/net/ipv6/netfilter/nf_flow_table_ipv6.c -+++ b/net/ipv6/netfilter/nf_flow_table_ipv6.c -@@ -196,7 +196,7 @@ static bool nf_flow_exceeds_mtu(struct s - return false; - } - --static unsigned int -+unsigned int - nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb, - const struct nf_hook_state *state) - { -@@ -248,6 +248,7 @@ nf_flow_offload_ipv6_hook(void *priv, st - - return NF_STOLEN; - } -+EXPORT_SYMBOL_GPL(nf_flow_offload_ipv6_hook); - - static struct nf_flowtable_type flowtable_ipv6 = { - .family = NFPROTO_IPV6, ---- a/net/netfilter/Kconfig -+++ b/net/netfilter/Kconfig -@@ -667,6 +667,14 @@ endif # NF_TABLES_NETDEV - - endif # NF_TABLES - -+config NF_FLOW_TABLE_INET -+ select NF_FLOW_TABLE -+ tristate "Netfilter flow table mixed IPv4/IPv6 module" -+ help -+ This option adds the flow table mixed IPv4/IPv6 support. -+ -+ To compile it as a module, choose M here. -+ - config NF_FLOW_TABLE - tristate "Netfilter flow table module" - help ---- a/net/netfilter/Makefile -+++ b/net/netfilter/Makefile -@@ -112,6 +112,7 @@ obj-$(CONFIG_NFT_FWD_NETDEV) += nft_fwd_ - - # flow table infrastructure - obj-$(CONFIG_NF_FLOW_TABLE) += nf_flow_table.o -+obj-$(CONFIG_NF_FLOW_TABLE_INET) += nf_flow_table_inet.o - - # generic X tables - obj-$(CONFIG_NETFILTER_XTABLES) += x_tables.o xt_tcpudp.o ---- /dev/null -+++ b/net/netfilter/nf_flow_table_inet.c -@@ -0,0 +1,48 @@ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/netfilter.h> -+#include <linux/rhashtable.h> -+#include <net/netfilter/nf_flow_table.h> -+#include <net/netfilter/nf_tables.h> -+ -+static unsigned int -+nf_flow_offload_inet_hook(void *priv, struct sk_buff *skb, -+ const struct nf_hook_state *state) -+{ -+ switch (skb->protocol) { -+ case htons(ETH_P_IP): -+ return nf_flow_offload_ip_hook(priv, skb, state); -+ case htons(ETH_P_IPV6): -+ return nf_flow_offload_ipv6_hook(priv, skb, state); -+ } -+ -+ return NF_ACCEPT; -+} -+ -+static struct nf_flowtable_type flowtable_inet = { -+ .family = NFPROTO_INET, -+ .params = &nf_flow_offload_rhash_params, -+ .gc = nf_flow_offload_work_gc, -+ .hook = nf_flow_offload_inet_hook, -+ .owner = THIS_MODULE, -+}; -+ -+static int __init nf_flow_inet_module_init(void) -+{ -+ nft_register_flowtable_type(&flowtable_inet); -+ -+ return 0; -+} -+ -+static void __exit nf_flow_inet_module_exit(void) -+{ -+ nft_unregister_flowtable_type(&flowtable_inet); -+} -+ -+module_init(nf_flow_inet_module_init); -+module_exit(nf_flow_inet_module_exit); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>"); -+MODULE_ALIAS_NF_FLOWTABLE(1); /* NFPROTO_INET */ |