diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2022-03-16 11:19:43 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2022-03-16 11:25:04 +0100 |
| commit | 0492d857636e1c52cd71594a723c4b26a7b31978 (patch) | |
| tree | 7995a11e6e4eec03fb481ecbab014ead6d2c34c6 /include/net | |
| parent | Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/... (diff) | |
| download | linux-0492d857636e1c52cd71594a723c4b26a7b31978.tar.xz linux-0492d857636e1c52cd71594a723c4b26a7b31978.zip | |
netfilter: flowtable: Fix QinQ and pppoe support for inet table
nf_flow_offload_inet_hook() does not check for 802.1q and PPPoE.
Fetch inner ethertype from these encapsulation protocols.
Fixes: 72efd585f714 ("netfilter: flowtable: add pppoe support")
Fixes: 4cd91f7c290f ("netfilter: flowtable: add vlan support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/netfilter/nf_flow_table.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h index bd59e950f4d6..64daafd1fc41 100644 --- a/include/net/netfilter/nf_flow_table.h +++ b/include/net/netfilter/nf_flow_table.h @@ -10,6 +10,8 @@ #include <linux/netfilter/nf_conntrack_tuple_common.h> #include <net/flow_offload.h> #include <net/dst.h> +#include <linux/if_pppox.h> +#include <linux/ppp_defs.h> struct nf_flowtable; struct nf_flow_rule; @@ -317,4 +319,20 @@ int nf_flow_rule_route_ipv6(struct net *net, const struct flow_offload *flow, int nf_flow_table_offload_init(void); void nf_flow_table_offload_exit(void); +static inline __be16 nf_flow_pppoe_proto(const struct sk_buff *skb) +{ + __be16 proto; + + proto = *((__be16 *)(skb_mac_header(skb) + ETH_HLEN + + sizeof(struct pppoe_hdr))); + switch (proto) { + case htons(PPP_IP): + return htons(ETH_P_IP); + case htons(PPP_IPV6): + return htons(ETH_P_IPV6); + } + + return 0; +} + #endif /* _NF_FLOW_TABLE_H */ |