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netfilter: flowtable: add nf_flow_table_offload_cmd()

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Split nf_flow_table_offload_setup() in two functions to make it more
maintainable.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2020-01-13 19:02:22 +01:00
parent ae29045018
commit a7965d58dd
1 changed files with 28 additions and 12 deletions
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40
net/netfilter/nf_flow_table_offload.c
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@ -838,12 +838,12 @@ static int nf_flow_table_block_setup(struct nf_flowtable *flowtable,
return err;
}
int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
struct net_device *dev,
enum flow_block_command cmd)
static int nf_flow_table_offload_cmd(struct flow_block_offload *bo,
struct nf_flowtable *flowtable,
struct net_device *dev,
enum flow_block_command cmd,
struct netlink_ext_ack *extack)
{
struct netlink_ext_ack extack = {};
struct flow_block_offload bo = {};
int err;
if (!nf_flowtable_hw_offload(flowtable))
@ -852,14 +852,30 @@ int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
if (!dev->netdev_ops->ndo_setup_tc)
return -EOPNOTSUPP;
bo.net = dev_net(dev);
bo.block = &flowtable->flow_block;
bo.command = cmd;
bo.binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS;
bo.extack = &extack;
INIT_LIST_HEAD(&bo.cb_list);
memset(bo, 0, sizeof(*bo));
bo->net = dev_net(dev);
bo->block = &flowtable->flow_block;
bo->command = cmd;
bo->binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS;
bo->extack = extack;
INIT_LIST_HEAD(&bo->cb_list);
err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_FT, &bo);
err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_FT, bo);
if (err < 0)
return err;
return 0;
}
int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
struct net_device *dev,
enum flow_block_command cmd)
{
struct netlink_ext_ack extack = {};
struct flow_block_offload bo;
int err;
err = nf_flow_table_offload_cmd(&bo, flowtable, dev, cmd, &extack);
if (err < 0)
return err;