diff options
| author |   Igor Russkikh <Igor.Russkikh@aquantia.com> | 2019-04-29 10:04:48 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-05-01 09:30:15 -0400 |
| commit | 4c83f170b3ac08357de253097d95b6942393f63b (patch) | |
| tree | 20792a913a82af89246b9beeaeefc46d32d692f6 /drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c | |
| parent | net: aquantia: create global service workqueue (diff) | |
| download | wireguard-linux-4c83f170b3ac08357de253097d95b6942393f63b.tar.xz wireguard-linux-4c83f170b3ac08357de253097d95b6942393f63b.zip | |
net: aquantia: link status irq handling
Here we define and request an extra interrupt line,
assign it on link isr handler and restructure abit aq_pci code
to better support that.
We also remove logic for using different timer intervals
depending on link state, since thats now useless.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index eec49e6e95ab..4f373ea8b693 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -140,26 +140,27 @@ err_exit: } int aq_pci_func_alloc_irq(struct aq_nic_s *self, unsigned int i, - char *name, void *aq_vec, cpumask_t *affinity_mask) + char *name, irq_handler_t irq_handler, + void *irq_arg, cpumask_t *affinity_mask) { struct pci_dev *pdev = self->pdev; int err; if (pdev->msix_enabled || pdev->msi_enabled) - err = request_irq(pci_irq_vector(pdev, i), aq_vec_isr, 0, - name, aq_vec); + err = request_irq(pci_irq_vector(pdev, i), irq_handler, 0, + name, irq_arg); else err = request_irq(pci_irq_vector(pdev, i), aq_vec_isr_legacy, - IRQF_SHARED, name, aq_vec); + IRQF_SHARED, name, irq_arg); if (err >= 0) { self->msix_entry_mask |= (1 << i); - self->aq_vec[i] = aq_vec; - if (pdev->msix_enabled) + if (pdev->msix_enabled && affinity_mask) irq_set_affinity_hint(pci_irq_vector(pdev, i), affinity_mask); } + return err; } @@ -167,16 +168,22 @@ void aq_pci_func_free_irqs(struct aq_nic_s *self) { struct pci_dev *pdev = self->pdev; unsigned int i; + void *irq_data; for (i = 32U; i--;) { if (!((1U << i) & self->msix_entry_mask)) continue; - if (i >= AQ_CFG_VECS_MAX) + if (self->aq_nic_cfg.link_irq_vec && + i == self->aq_nic_cfg.link_irq_vec) + irq_data = self; + else if (i < AQ_CFG_VECS_MAX) + irq_data = self->aq_vec[i]; + else continue; if (pdev->msix_enabled) irq_set_affinity_hint(pci_irq_vector(pdev, i), NULL); - free_irq(pci_irq_vector(pdev, i), self->aq_vec[i]); + free_irq(pci_irq_vector(pdev, i), irq_data); self->msix_entry_mask &= ~(1U << i); } } @@ -269,6 +276,7 @@ static int aq_pci_probe(struct pci_dev *pdev, numvecs = min((u8)AQ_CFG_VECS_DEF, aq_nic_get_cfg(self)->aq_hw_caps->msix_irqs); numvecs = min(numvecs, num_online_cpus()); + numvecs += AQ_HW_SERVICE_IRQS; /*enable interrupts */ #if !AQ_CFG_FORCE_LEGACY_INT err = pci_alloc_irq_vectors(self->pdev, 1, numvecs, |