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netfilter: nf_tables_offload: add nft_flow_block_chain()

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Add nft_flow_block_chain() helper function to reuse this function from
netdev event handler.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2019-10-16 14:29:52 +02:00
parent cb662ac671
commit ead3952ea7
1 changed files with 11 additions and 4 deletions
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15
net/netfilter/nf_tables_offload.c
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@ -294,6 +294,16 @@ static int nft_indr_block_offload_cmd(struct nft_base_chain *chain,
#define FLOW_SETUP_BLOCK TC_SETUP_BLOCK #define FLOW_SETUP_BLOCK TC_SETUP_BLOCK
static int nft_flow_block_chain(struct nft_base_chain *basechain,
struct net_device *dev,
enum flow_block_command cmd)
{
if (dev->netdev_ops->ndo_setup_tc)
return nft_block_offload_cmd(basechain, dev, cmd);
return nft_indr_block_offload_cmd(basechain, dev, cmd);
}
static int nft_flow_offload_chain(struct nft_chain *chain, static int nft_flow_offload_chain(struct nft_chain *chain,
u8 *ppolicy, u8 *ppolicy,
enum flow_block_command cmd) enum flow_block_command cmd)
@ -316,10 +326,7 @@ static int nft_flow_offload_chain(struct nft_chain *chain,
if (cmd == FLOW_BLOCK_BIND && policy == NF_DROP) if (cmd == FLOW_BLOCK_BIND && policy == NF_DROP)
return -EOPNOTSUPP; return -EOPNOTSUPP;
if (dev->netdev_ops->ndo_setup_tc) return nft_flow_block_chain(basechain, dev, cmd);
return nft_block_offload_cmd(basechain, dev, cmd);
else
return nft_indr_block_offload_cmd(basechain, dev, cmd);
} }
int nft_flow_rule_offload_commit(struct net *net) int nft_flow_rule_offload_commit(struct net *net)