netdev - [PATCH net-next 01/12] ice: Skip adv rules removal upon switchdev release

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Message-Id: <20230620174423.4144938-2-anthony.l.nguyen@intel.com>
Date: Tue, 20 Jun 2023 10:44:12 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	netdev@...r.kernel.org
Cc: Wojciech Drewek <wojciech.drewek@...el.com>,
	anthony.l.nguyen@...el.com,
	jiri@...nulli.us,
	ivecera@...hat.com,
	simon.horman@...igine.com,
	Paul Menzel <pmenzel@...gen.mpg.de>,
	Sujai Buvaneswaran <sujai.buvaneswaran@...el.com>
Subject: [PATCH net-next 01/12] ice: Skip adv rules removal upon switchdev release

From: Wojciech Drewek <wojciech.drewek@...el.com>

Advanced rules for ctrl VSI will be removed anyway when the
VSI will cleaned up, no need to do it explicitly.

Reviewed-by: Paul Menzel <pmenzel@...gen.mpg.de>
Reviewed-by: Simon Horman <simon.horman@...igine.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@...el.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/ice/ice_eswitch.c |  1 -
 drivers/net/ethernet/intel/ice/ice_switch.c  | 53 --------------------
 drivers/net/ethernet/intel/ice/ice_switch.h  |  1 -
 3 files changed, 55 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c
index ad0a007b7398..be5b22691f7c 100644
--- a/drivers/net/ethernet/intel/ice/ice_eswitch.c
+++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c
@@ -503,7 +503,6 @@ static void ice_eswitch_disable_switchdev(struct ice_pf *pf)
 
 	ice_eswitch_napi_disable(pf);
 	ice_eswitch_release_env(pf);
-	ice_rem_adv_rule_for_vsi(&pf->hw, ctrl_vsi->idx);
 	ice_eswitch_release_reprs(pf, ctrl_vsi);
 	ice_vsi_release(ctrl_vsi);
 	ice_repr_rem_from_all_vfs(pf);
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 2ea9e1ae5517..92e16e9720ae 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -6539,59 +6539,6 @@ ice_rem_adv_rule_by_id(struct ice_hw *hw,
 	return -ENOENT;
 }
 
-/**
- * ice_rem_adv_rule_for_vsi - removes existing advanced switch rules for a
- *                            given VSI handle
- * @hw: pointer to the hardware structure
- * @vsi_handle: VSI handle for which we are supposed to remove all the rules.
- *
- * This function is used to remove all the rules for a given VSI and as soon
- * as removing a rule fails, it will return immediately with the error code,
- * else it will return success.
- */
-int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle)
-{
-	struct ice_adv_fltr_mgmt_list_entry *list_itr, *tmp_entry;
-	struct ice_vsi_list_map_info *map_info;
-	struct ice_adv_rule_info rinfo;
-	struct list_head *list_head;
-	struct ice_switch_info *sw;
-	int status;
-	u8 rid;
-
-	sw = hw->switch_info;
-	for (rid = 0; rid < ICE_MAX_NUM_RECIPES; rid++) {
-		if (!sw->recp_list[rid].recp_created)
-			continue;
-		if (!sw->recp_list[rid].adv_rule)
-			continue;
-
-		list_head = &sw->recp_list[rid].filt_rules;
-		list_for_each_entry_safe(list_itr, tmp_entry, list_head,
-					 list_entry) {
-			rinfo = list_itr->rule_info;
-
-			if (rinfo.sw_act.fltr_act == ICE_FWD_TO_VSI_LIST) {
-				map_info = list_itr->vsi_list_info;
-				if (!map_info)
-					continue;
-
-				if (!test_bit(vsi_handle, map_info->vsi_map))
-					continue;
-			} else if (rinfo.sw_act.vsi_handle != vsi_handle) {
-				continue;
-			}
-
-			rinfo.sw_act.vsi_handle = vsi_handle;
-			status = ice_rem_adv_rule(hw, list_itr->lkups,
-						  list_itr->lkups_cnt, &rinfo);
-			if (status)
-				return status;
-		}
-	}
-	return 0;
-}
-
 /**
  * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI
  * @hw: pointer to the hardware structure
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h
index c84b56fe84a5..db08509805ce 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.h
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -379,7 +379,6 @@ int
 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
 			 bool rm_vlan_promisc);
 
-int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle);
 int
 ice_rem_adv_rule_by_id(struct ice_hw *hw,
 		       struct ice_rule_query_data *remove_entry);
-- 
2.38.1