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net/ice: enable flow redirect on switch

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Enable flow redirect on switch, currently only
support VSI redirect.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Beilei Xing 2020-04-03 12:46:08 +08:00 committed by Ferruh Yigit
parent 5d83492603
commit 397b4b3c50
1 changed files with 73 additions and 0 deletions
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73
drivers/net/ice/ice_switch_filter.c
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@ -1420,6 +1420,78 @@ ice_switch_query(struct ice_adapter *ad __rte_unused,
return -rte_errno; return -rte_errno;
} }
static int
ice_switch_redirect(struct ice_adapter *ad,
struct rte_flow *flow,
struct ice_flow_redirect *rd)
{
struct ice_rule_query_data *rdata = flow->rule;
struct ice_adv_fltr_mgmt_list_entry *list_itr;
struct ice_adv_lkup_elem *lkups_dp = NULL;
struct LIST_HEAD_TYPE *list_head;
struct ice_adv_rule_info rinfo;
struct ice_hw *hw = &ad->hw;
struct ice_switch_info *sw;
uint16_t lkups_cnt;
int ret;
sw = hw->switch_info;
if (!sw->recp_list[rdata->rid].recp_created)
return -EINVAL;
if (rd->type != ICE_FLOW_REDIRECT_VSI)
return -ENOTSUP;
list_head = &sw->recp_list[rdata->rid].filt_rules;
LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_adv_fltr_mgmt_list_entry,
list_entry) {
rinfo = list_itr->rule_info;
if (rinfo.fltr_rule_id == rdata->rule_id &&
rinfo.sw_act.fltr_act == ICE_FWD_TO_VSI &&
rinfo.sw_act.vsi_handle == rd->vsi_handle) {
lkups_cnt = list_itr->lkups_cnt;
lkups_dp = (struct ice_adv_lkup_elem *)
ice_memdup(hw, list_itr->lkups,
sizeof(*list_itr->lkups) *
lkups_cnt, ICE_NONDMA_TO_NONDMA);
if (!lkups_dp) {
PMD_DRV_LOG(ERR, "Failed to allocate memory.");
return -EINVAL;
}
break;
}
}
if (!lkups_dp)
return 0;
/* Remove the old rule */
ret = ice_rem_adv_rule(hw, list_itr->lkups,
lkups_cnt, &rinfo);
if (ret) {
PMD_DRV_LOG(ERR, "Failed to delete the old rule %d",
rdata->rule_id);
ret = -EINVAL;
goto out;
}
/* Update VSI context */
hw->vsi_ctx[rd->vsi_handle]->vsi_num = rd->new_vsi_num;
/* Replay the rule */
ret = ice_add_adv_rule(hw, lkups_dp, lkups_cnt,
&rinfo, rdata);
if (ret) {
PMD_DRV_LOG(ERR, "Failed to replay the rule");
ret = -EINVAL;
}
out:
ice_free(hw, lkups_dp);
return ret;
}
static int static int
ice_switch_init(struct ice_adapter *ad) ice_switch_init(struct ice_adapter *ad)
{ {
@ -1465,6 +1537,7 @@ ice_flow_engine ice_switch_engine = {
.create = ice_switch_create, .create = ice_switch_create,
.destroy = ice_switch_destroy, .destroy = ice_switch_destroy,
.query_count = ice_switch_query, .query_count = ice_switch_query,
.redirect = ice_switch_redirect,
.free = ice_switch_filter_rule_free, .free = ice_switch_filter_rule_free,
.type = ICE_FLOW_ENGINE_SWITCH, .type = ICE_FLOW_ENGINE_SWITCH,
}; };