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dpaa2-switch: reorganize dpaa2_switch_cls_flower_replace 

Extract the necessary steps to offload a filter by using the ACL table
in a separate function - dpaa2_switch_cls_flower_replace_acl().
This is intended to help with the code readability when the mirroring
support is added.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Ciornei 2021-07-29 20:18:55 +03:00 committed by David S. Miller
parent adcb7aa335
commit c5f6d490c5
1 changed files with 26 additions and 6 deletions
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32
drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c
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@ -376,7 +376,8 @@ static int dpaa2_switch_tc_parse_action_acl(struct ethsw_core *ethsw,
return err;
}
int dpaa2_switch_cls_flower_replace(struct dpaa2_switch_filter_block *block,
static int
dpaa2_switch_cls_flower_replace_acl(struct dpaa2_switch_filter_block *block,
struct flow_cls_offload *cls)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
@ -386,11 +387,6 @@ int dpaa2_switch_cls_flower_replace(struct dpaa2_switch_filter_block *block,
struct flow_action_entry *act;
int err;
if (!flow_offload_has_one_action(&rule->action)) {
NL_SET_ERR_MSG(extack, "Only singular actions are supported");
return -EOPNOTSUPP;
}
if (dpaa2_switch_acl_tbl_is_full(block)) {
NL_SET_ERR_MSG(extack, "Maximum filter capacity reached");
return -ENOMEM;
@ -425,6 +421,30 @@ int dpaa2_switch_cls_flower_replace(struct dpaa2_switch_filter_block *block,
return err;
}
int dpaa2_switch_cls_flower_replace(struct dpaa2_switch_filter_block *block,
struct flow_cls_offload *cls)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
struct netlink_ext_ack *extack = cls->common.extack;
struct flow_action_entry *act;
if (!flow_offload_has_one_action(&rule->action)) {
NL_SET_ERR_MSG(extack, "Only singular actions are supported");
return -EOPNOTSUPP;
}
act = &rule->action.entries[0];
switch (act->id) {
case FLOW_ACTION_REDIRECT:
case FLOW_ACTION_TRAP:
case FLOW_ACTION_DROP:
return dpaa2_switch_cls_flower_replace_acl(block, cls);
default:
NL_SET_ERR_MSG_MOD(extack, "Action not supported");
return -EOPNOTSUPP;
}
}
int dpaa2_switch_cls_flower_destroy(struct dpaa2_switch_filter_block *block,
struct flow_cls_offload *cls)
{