RE: [Intel-wired-lan] [PATCH iwl-next 1/7] i40e: Remove flags field from i40e_veb

From: Loktionov, Aleksandr
Date: Tue Mar 26 2024 - 11:42:15 EST




> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On
> Behalf Of Ivan Vecera
> Sent: Monday, March 18, 2024 3:31 PM
> To: intel-wired-lan@xxxxxxxxxxxxxxxx
> Cc: open list:NETWORKING DRIVERS <netdev@xxxxxxxxxxxxxxx>; open
> list <linux-kernel@xxxxxxxxxxxxxxx>; Eric Dumazet
> <edumazet@xxxxxxxxxx>; Nguyen, Anthony L
> <anthony.l.nguyen@xxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>;
> Paolo Abeni <pabeni@xxxxxxxxxx>; David S. Miller
> <davem@xxxxxxxxxxxxx>
> Subject: [Intel-wired-lan] [PATCH iwl-next 1/7] i40e: Remove flags
> field from i40e_veb
>
> The field is initialized always to zero and it is never read.
> Remove it.
>
> Signed-off-by: Ivan Vecera <ivecera@xxxxxxxxxx>
> ---
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@xxxxxxxxx>

> 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 663b2237eb4e..2f1604ae78c7 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -13138,7 +13138,7 @@ 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;
> @@ -14394,10 +14394,10 @@ 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) { @@
> -14791,7 +14791,6 @@ 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
> @@ -14804,9 +14803,8 @@ 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;
> @@ -14837,7 +14835,6 @@ 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);
>
> --
> 2.43.0