netfilter: nf_tables_offload: refactor the nft_flow_offload_rule function

Pass rule, chain and flow_rule object parameters to nft_flow_offload_rule
to reuse it.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
wenxu 2019-09-11 12:53:23 +08:00 committed by Pablo Neira Ayuso
parent 8fc618c52d
commit e211aab73d
1 changed files with 13 additions and 7 deletions

View File

@ -155,20 +155,20 @@ int nft_chain_offload_priority(struct nft_base_chain *basechain)
return 0;
}
static int nft_flow_offload_rule(struct nft_trans *trans,
static int nft_flow_offload_rule(struct nft_chain *chain,
struct nft_rule *rule,
struct nft_flow_rule *flow,
enum flow_cls_command command)
{
struct nft_flow_rule *flow = nft_trans_flow_rule(trans);
struct nft_rule *rule = nft_trans_rule(trans);
struct flow_cls_offload cls_flow = {};
struct nft_base_chain *basechain;
struct netlink_ext_ack extack;
__be16 proto = ETH_P_ALL;
if (!nft_is_base_chain(trans->ctx.chain))
if (!nft_is_base_chain(chain))
return -EOPNOTSUPP;
basechain = nft_base_chain(trans->ctx.chain);
basechain = nft_base_chain(chain);
if (flow)
proto = flow->proto;
@ -357,14 +357,20 @@ int nft_flow_rule_offload_commit(struct net *net)
!(trans->ctx.flags & NLM_F_APPEND))
return -EOPNOTSUPP;
err = nft_flow_offload_rule(trans, FLOW_CLS_REPLACE);
err = nft_flow_offload_rule(trans->ctx.chain,
nft_trans_rule(trans),
nft_trans_flow_rule(trans),
FLOW_CLS_REPLACE);
nft_flow_rule_destroy(nft_trans_flow_rule(trans));
break;
case NFT_MSG_DELRULE:
if (!(trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD))
continue;
err = nft_flow_offload_rule(trans, FLOW_CLS_DESTROY);
err = nft_flow_offload_rule(trans->ctx.chain,
nft_trans_rule(trans),
nft_trans_flow_rule(trans),
FLOW_CLS_DESTROY);
break;
}