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Message-ID: <20240426174953.208591-7-ivecera@redhat.com>
Date: Fri, 26 Apr 2024 19:49:45 +0200
From: Ivan Vecera <ivecera@...hat.com>
To: netdev@...r.kernel.org
Cc: Michal Schmidt <mschmidt@...hat.com>,
Aleksandr Loktionov <aleksandr.loktionov@...el.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 v3 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]'
Reviewed-by: Michal Schmidt <mschmidt@...hat.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.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 | 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 85d609ad81dc..26e5c21df19d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2481,7 +2481,7 @@ 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
@@ -9909,6 +9909,7 @@ 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;
@@ -9948,8 +9949,8 @@ 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);
@@ -14881,7 +14882,8 @@ 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 */
@@ -14895,12 +14897,15 @@ 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)
@@ -15045,13 +15050,15 @@ 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)
--
2.43.2
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