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i40e: Store the irq number in i40e_q_vector

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[ Upstream commit 6b85a4f39f ]

Make it easy to figure out the IRQ number for a particular i40e_q_vector by
storing the assigned IRQ in the structure itself.

Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Stable-dep-of: ea558de723 ("i40e: Enforce software interrupt during busy-poll exit")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Joe Damato 2022-10-07 14:38:40 -07:00 committed by Greg Kroah-Hartman
parent bf7396ec56
commit 2a0a64c9d1
2 changed files with 2 additions and 0 deletions
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1
drivers/net/ethernet/intel/i40e/i40e.h
View file

@ -973,6 +973,7 @@ struct i40e_q_vector {
struct rcu_head rcu; /* to avoid race with update stats on free */
char name[I40E_INT_NAME_STR_LEN];
bool arm_wb_state;
int irq_num; /* IRQ assigned to this q_vector */
} ____cacheline_internodealigned_in_smp;
/* lan device */

1
drivers/net/ethernet/intel/i40e/i40e_main.c
View file

@ -4133,6 +4133,7 @@ static int i40e_vsi_request_irq_msix(struct i40e_vsi *vsi, char *basename)
}
/* register for affinity change notifications */
q_vector->irq_num = irq_num;
q_vector->affinity_notify.notify = i40e_irq_affinity_notify;
q_vector->affinity_notify.release = i40e_irq_affinity_release;
irq_set_affinity_notifier(irq_num, &q_vector->affinity_notify);