diff mbox series

[iwl-next,6/7] i40e: Add helper to access main VEB

Message ID 20240318143058.287014-7-ivecera@redhat.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series i40e: cleanups & refactors | expand

Checks

Context Check Description
netdev/series_format warning Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 939 this patch: 939
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 956 this patch: 956
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 956 this patch: 956
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 102 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 1 this patch: 1
netdev/source_inline success Was 0 now: 0
netdev/contest warning net-next-2024-03-19--03-00 (tests: 906)

Commit Message

Ivan Vecera March 18, 2024, 2:30 p.m. UTC
Add a helper to access main VEB:

i40e_pf_get_main_veb(pf) replaces 'pf->veb[pf->lan_veb]'

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
---
 drivers/net/ethernet/intel/i40e/i40e.h        | 11 ++++++++
 .../net/ethernet/intel/i40e/i40e_ethtool.c    |  9 +++----
 drivers/net/ethernet/intel/i40e/i40e_main.c   | 27 ++++++++++++-------
 3 files changed, 31 insertions(+), 16 deletions(-)

Comments

Aleksandr Loktionov March 26, 2024, 8:19 p.m. UTC | #1
> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On
> Behalf Of Ivan Vecera
> Sent: Monday, March 18, 2024 3:31 PM
> To: intel-wired-lan@lists.osuosl.org
> Cc: open list:NETWORKING DRIVERS <netdev@vger.kernel.org>; open
> list <linux-kernel@vger.kernel.org>; Eric Dumazet
> <edumazet@google.com>; Nguyen, Anthony L
> <anthony.l.nguyen@intel.com>; Jakub Kicinski <kuba@kernel.org>;
> Paolo Abeni <pabeni@redhat.com>; David S. Miller
> <davem@davemloft.net>
> Subject: [Intel-wired-lan] [PATCH iwl-next 6/7] i40e: Add helper to
> access main VEB
> 
> Add a helper to access main VEB:
> 
> i40e_pf_get_main_veb(pf) replaces 'pf->veb[pf->lan_veb]'
> 
> Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>

> ---
>  drivers/net/ethernet/intel/i40e/i40e.h        | 11 ++++++++
>  .../net/ethernet/intel/i40e/i40e_ethtool.c    |  9 +++----
>  drivers/net/ethernet/intel/i40e/i40e_main.c   | 27 ++++++++++++---
> ----
>  3 files changed, 31 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/i40e/i40e.h
> b/drivers/net/ethernet/intel/i40e/i40e.h
> index fb0b913692e1..2f135db416cf 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e.h
> +++ b/drivers/net/ethernet/intel/i40e/i40e.h
> @@ -1401,4 +1401,15 @@ i40e_pf_get_veb_by_seid(struct i40e_pf *pf,
> u16 seid)
>  	return NULL;
>  }
> 
> +/**
> + * i40e_pf_get_main_veb - get pointer to main VEB
> + * @pf: pointer to a PF
> + *
> + * Return pointer to main VEB or NULL if it does not exist  **/
> static
> +inline struct i40e_veb *i40e_pf_get_main_veb(struct i40e_pf *pf) {
> +	return (pf->lan_veb != I40E_NO_VEB) ? pf->veb[pf->lan_veb] :
> NULL; }
> +
>  #endif /* _I40E_H_ */
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
> b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
> index 5cd0d1b45f01..4e28785c9fb2 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
> @@ -2425,14 +2425,11 @@ static void i40e_get_ethtool_stats(struct
> net_device *netdev,
>  	if (vsi->type != I40E_VSI_MAIN || pf->hw.partition_id != 1)
>  		goto check_data_pointer;
> 
> -	veb_stats = ((pf->lan_veb != I40E_NO_VEB) &&
> -		     (pf->lan_veb < I40E_MAX_VEB) &&
> -		     test_bit(I40E_FLAG_VEB_STATS_ENA, pf->flags));
> +	veb = i40e_pf_get_main_veb(pf);
> +	veb_stats = veb && test_bit(I40E_FLAG_VEB_STATS_ENA, pf-
> >flags);
> 
> -	if (veb_stats) {
> -		veb = pf->veb[pf->lan_veb];
> +	if (veb_stats)
>  		i40e_update_veb_stats(veb);
> -	}
> 
>  	/* If veb stats aren't enabled, pass NULL instead of the veb
> so that
>  	 * we initialize stats to zero and update the data pointer
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c
> b/drivers/net/ethernet/intel/i40e/i40e_main.c
> index d6dbd0fd79eb..2e1955064abb 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -2480,7 +2480,7 @@ static int i40e_set_promiscuous(struct
> i40e_pf *pf, bool promisc)
>  	int aq_ret;
> 
>  	if (vsi->type == I40E_VSI_MAIN &&
> -	    pf->lan_veb != I40E_NO_VEB &&
> +	    i40e_pf_get_main_veb(pf) &&
>  	    !test_bit(I40E_FLAG_MFP_ENA, pf->flags)) {
>  		/* set defport ON for Main VSI instead of true promisc
>  		 * this way we will get all unicast/multicast and VLAN
> @@ -9916,6 +9916,7 @@ static void i40e_veb_link_event(struct
> i40e_veb *veb, bool link_up)  static void i40e_link_event(struct
> i40e_pf *pf)  {
>  	struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
> +	struct i40e_veb *veb = i40e_pf_get_main_veb(pf);
>  	u8 new_link_speed, old_link_speed;
>  	bool new_link, old_link;
>  	int status;
> @@ -9955,8 +9956,8 @@ static void i40e_link_event(struct i40e_pf
> *pf)
>  	/* Notify the base of the switch tree connected to
>  	 * the link.  Floating VEBs are not notified.
>  	 */
> -	if (pf->lan_veb < I40E_MAX_VEB && pf->veb[pf->lan_veb])
> -		i40e_veb_link_event(pf->veb[pf->lan_veb], new_link);
> +	if (veb)
> +		i40e_veb_link_event(veb, new_link);
>  	else
>  		i40e_vsi_link_event(vsi, new_link);
> 
> @@ -14892,7 +14893,8 @@ static void
> i40e_setup_pf_switch_element(struct i40e_pf *pf,
>  		/* Main VEB? */
>  		if (uplink_seid != pf->mac_seid)
>  			break;
> -		if (pf->lan_veb >= I40E_MAX_VEB) {
> +		veb = i40e_pf_get_main_veb(pf);
> +		if (!veb) {
>  			int v;
> 
>  			/* find existing or else empty VEB */ @@ -
> 14906,12 +14908,15 @@ static void
> i40e_setup_pf_switch_element(struct i40e_pf *pf,
>  				pf->lan_veb = v;
>  			}
>  		}
> -		if (pf->lan_veb >= I40E_MAX_VEB)
> +
> +		/* Try to get again main VEB as pf->lan_veb may have
> changed */
> +		veb = i40e_pf_get_main_veb(pf);
> +		if (!veb)
>  			break;
> 
> -		pf->veb[pf->lan_veb]->seid = seid;
> -		pf->veb[pf->lan_veb]->uplink_seid = pf->mac_seid;
> -		pf->veb[pf->lan_veb]->pf = pf;
> +		veb->seid = seid;
> +		veb->uplink_seid = pf->mac_seid;
> +		veb->pf = pf;
>  		break;
>  	case I40E_SWITCH_ELEMENT_TYPE_VSI:
>  		if (num_reported != 1)
> @@ -15056,13 +15061,15 @@ static int i40e_setup_pf_switch(struct
> i40e_pf *pf, bool reinit, bool lock_acqui
>  	/* first time setup */
>  	main_vsi = i40e_pf_get_main_vsi(pf);
>  	if (!main_vsi || reinit) {
> +		struct i40e_veb *veb;
>  		u16 uplink_seid;
> 
>  		/* Set up the PF VSI associated with the PF's main VSI
>  		 * that is already in the HW switch
>  		 */
> -		if (pf->lan_veb < I40E_MAX_VEB && pf->veb[pf->lan_veb])
> -			uplink_seid = pf->veb[pf->lan_veb]->seid;
> +		veb = i40e_pf_get_main_veb(pf);
> +		if (veb)
> +			uplink_seid = veb->seid;
>  		else
>  			uplink_seid = pf->mac_seid;
>  		if (!main_vsi)
> --
> 2.43.0
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index fb0b913692e1..2f135db416cf 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -1401,4 +1401,15 @@  i40e_pf_get_veb_by_seid(struct i40e_pf *pf, u16 seid)
 	return NULL;
 }
 
+/**
+ * i40e_pf_get_main_veb - get pointer to main VEB
+ * @pf: pointer to a PF
+ *
+ * Return pointer to main VEB or NULL if it does not exist
+ **/
+static inline struct i40e_veb *i40e_pf_get_main_veb(struct i40e_pf *pf)
+{
+	return (pf->lan_veb != I40E_NO_VEB) ? pf->veb[pf->lan_veb] : NULL;
+}
+
 #endif /* _I40E_H_ */
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 5cd0d1b45f01..4e28785c9fb2 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -2425,14 +2425,11 @@  static void i40e_get_ethtool_stats(struct net_device *netdev,
 	if (vsi->type != I40E_VSI_MAIN || pf->hw.partition_id != 1)
 		goto check_data_pointer;
 
-	veb_stats = ((pf->lan_veb != I40E_NO_VEB) &&
-		     (pf->lan_veb < I40E_MAX_VEB) &&
-		     test_bit(I40E_FLAG_VEB_STATS_ENA, pf->flags));
+	veb = i40e_pf_get_main_veb(pf);
+	veb_stats = veb && test_bit(I40E_FLAG_VEB_STATS_ENA, pf->flags);
 
-	if (veb_stats) {
-		veb = pf->veb[pf->lan_veb];
+	if (veb_stats)
 		i40e_update_veb_stats(veb);
-	}
 
 	/* If veb stats aren't enabled, pass NULL instead of the veb so that
 	 * we initialize stats to zero and update the data pointer
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index d6dbd0fd79eb..2e1955064abb 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2480,7 +2480,7 @@  static int i40e_set_promiscuous(struct i40e_pf *pf, bool promisc)
 	int aq_ret;
 
 	if (vsi->type == I40E_VSI_MAIN &&
-	    pf->lan_veb != I40E_NO_VEB &&
+	    i40e_pf_get_main_veb(pf) &&
 	    !test_bit(I40E_FLAG_MFP_ENA, pf->flags)) {
 		/* set defport ON for Main VSI instead of true promisc
 		 * this way we will get all unicast/multicast and VLAN
@@ -9916,6 +9916,7 @@  static void i40e_veb_link_event(struct i40e_veb *veb, bool link_up)
 static void i40e_link_event(struct i40e_pf *pf)
 {
 	struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
+	struct i40e_veb *veb = i40e_pf_get_main_veb(pf);
 	u8 new_link_speed, old_link_speed;
 	bool new_link, old_link;
 	int status;
@@ -9955,8 +9956,8 @@  static void i40e_link_event(struct i40e_pf *pf)
 	/* Notify the base of the switch tree connected to
 	 * the link.  Floating VEBs are not notified.
 	 */
-	if (pf->lan_veb < I40E_MAX_VEB && pf->veb[pf->lan_veb])
-		i40e_veb_link_event(pf->veb[pf->lan_veb], new_link);
+	if (veb)
+		i40e_veb_link_event(veb, new_link);
 	else
 		i40e_vsi_link_event(vsi, new_link);
 
@@ -14892,7 +14893,8 @@  static void i40e_setup_pf_switch_element(struct i40e_pf *pf,
 		/* Main VEB? */
 		if (uplink_seid != pf->mac_seid)
 			break;
-		if (pf->lan_veb >= I40E_MAX_VEB) {
+		veb = i40e_pf_get_main_veb(pf);
+		if (!veb) {
 			int v;
 
 			/* find existing or else empty VEB */
@@ -14906,12 +14908,15 @@  static void i40e_setup_pf_switch_element(struct i40e_pf *pf,
 				pf->lan_veb = v;
 			}
 		}
-		if (pf->lan_veb >= I40E_MAX_VEB)
+
+		/* Try to get again main VEB as pf->lan_veb may have changed */
+		veb = i40e_pf_get_main_veb(pf);
+		if (!veb)
 			break;
 
-		pf->veb[pf->lan_veb]->seid = seid;
-		pf->veb[pf->lan_veb]->uplink_seid = pf->mac_seid;
-		pf->veb[pf->lan_veb]->pf = pf;
+		veb->seid = seid;
+		veb->uplink_seid = pf->mac_seid;
+		veb->pf = pf;
 		break;
 	case I40E_SWITCH_ELEMENT_TYPE_VSI:
 		if (num_reported != 1)
@@ -15056,13 +15061,15 @@  static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit, bool lock_acqui
 	/* first time setup */
 	main_vsi = i40e_pf_get_main_vsi(pf);
 	if (!main_vsi || reinit) {
+		struct i40e_veb *veb;
 		u16 uplink_seid;
 
 		/* Set up the PF VSI associated with the PF's main VSI
 		 * that is already in the HW switch
 		 */
-		if (pf->lan_veb < I40E_MAX_VEB && pf->veb[pf->lan_veb])
-			uplink_seid = pf->veb[pf->lan_veb]->seid;
+		veb = i40e_pf_get_main_veb(pf);
+		if (veb)
+			uplink_seid = veb->seid;
 		else
 			uplink_seid = pf->mac_seid;
 		if (!main_vsi)