linux-kernel - [PATCH net-next v4 1/7] i40e: Remove flags field from i40e

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Date: Sat, 27 Apr 2024 09:26:02 +0200
From: Ivan Vecera <ivecera@...hat.com>
To: netdev@...r.kernel.org
Cc: Michal Schmidt <mschmidt@...hat.com>,
	Aleksandr Loktionov <aleksandr.loktionov@...el.com>,
	Kalesh AP <kalesh-anakkur.purayil@...adcom.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	intel-wired-lan@...ts.osuosl.org (moderated list:INTEL ETHERNET DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next v4 1/7] i40e: Remove flags field from i40e_veb

The field is initialized always to zero and it is never read.
Remove it.

Reviewed-by: Michal Schmidt <mschmidt@...hat.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@...adcom.com>
Reviewed-by: Tony Nguyen <anthony.l.nguyen@...el.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com>
Signed-off-by: Ivan Vecera <ivecera@...hat.com>
---
 drivers/net/ethernet/intel/i40e/i40e.h         |  3 +--
 drivers/net/ethernet/intel/i40e/i40e_debugfs.c |  2 +-
 drivers/net/ethernet/intel/i40e/i40e_main.c    | 13 +++++--------
 3 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 2fbabcdb5bb5..5248e78f7849 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -788,7 +788,6 @@ struct i40e_veb {
 	u16 stats_idx;		/* index of VEB parent */
 	u8  enabled_tc;
 	u16 bridge_mode;	/* Bridge Mode (VEB/VEPA) */
-	u16 flags;
 	u16 bw_limit;
 	u8  bw_max_quanta;
 	bool is_abs_credits;
@@ -1213,7 +1212,7 @@ void i40e_vsi_stop_rings(struct i40e_vsi *vsi);
 void i40e_vsi_stop_rings_no_wait(struct  i40e_vsi *vsi);
 int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi);
 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
-struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
+struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 uplink_seid,
 				u16 downlink_seid, u8 enabled_tc);
 void i40e_veb_release(struct i40e_veb *veb);
 
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index f9ba45f596c9..6147c5f128e8 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -867,7 +867,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp,
 			goto command_write_done;
 		}
 
-		veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, enabled_tc);
+		veb = i40e_veb_setup(pf, uplink_seid, vsi_seid, enabled_tc);
 		if (veb)
 			dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 		else
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index bcc99a6676f9..e27b2aa544b6 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -13127,7 +13127,7 @@ static int i40e_ndo_bridge_setlink(struct net_device *dev,
 
 		/* Insert a new HW bridge */
 		if (!veb) {
-			veb = i40e_veb_setup(pf, 0, vsi->uplink_seid, vsi->seid,
+			veb = i40e_veb_setup(pf, vsi->uplink_seid, vsi->seid,
 					     vsi->tc_config.enabled_tc);
 			if (veb) {
 				veb->bridge_mode = mode;
@@ -14383,10 +14383,10 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 		}
 
 		if (vsi->uplink_seid == pf->mac_seid)
-			veb = i40e_veb_setup(pf, 0, pf->mac_seid, vsi->seid,
+			veb = i40e_veb_setup(pf, pf->mac_seid, vsi->seid,
 					     vsi->tc_config.enabled_tc);
 		else if ((vsi->flags & I40E_VSI_FLAG_VEB_OWNER) == 0)
-			veb = i40e_veb_setup(pf, 0, vsi->uplink_seid, vsi->seid,
+			veb = i40e_veb_setup(pf, vsi->uplink_seid, vsi->seid,
 					     vsi->tc_config.enabled_tc);
 		if (veb) {
 			if (vsi->seid != pf->vsi[pf->lan_vsi]->seid) {
@@ -14780,7 +14780,6 @@ static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi)
 /**
  * i40e_veb_setup - Set up a VEB
  * @pf: board private structure
- * @flags: VEB setup flags
  * @uplink_seid: the switch element to link to
  * @vsi_seid: the initial VSI seid
  * @enabled_tc: Enabled TC bit-map
@@ -14793,9 +14792,8 @@ static int i40e_add_veb(struct i40e_veb *veb, struct i40e_vsi *vsi)
  * Returns pointer to the successfully allocated VEB sw struct on
  * success, otherwise returns NULL on failure.
  **/
-struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags,
-				u16 uplink_seid, u16 vsi_seid,
-				u8 enabled_tc)
+struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 uplink_seid,
+				u16 vsi_seid, u8 enabled_tc)
 {
 	struct i40e_vsi *vsi = NULL;
 	struct i40e_veb *veb;
@@ -14826,7 +14824,6 @@ struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags,
 	if (veb_idx < 0)
 		goto err_alloc;
 	veb = pf->veb[veb_idx];
-	veb->flags = flags;
 	veb->uplink_seid = uplink_seid;
 	veb->enabled_tc = (enabled_tc ? enabled_tc : 0x1);
 
-- 
2.43.2