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path: root/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/rx.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/rx.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index 0d7890f99a5f..f87b28edc267 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -699,17 +699,25 @@ static void iwl_pcie_free_rxq_dma(struct iwl_trans *trans,
rxq->used_bd = NULL;
}
+static size_t iwl_pcie_rb_stts_size(struct iwl_trans *trans)
+{
+ bool use_rx_td = (trans->trans_cfg->device_family >=
+ IWL_DEVICE_FAMILY_AX210);
+
+ if (use_rx_td)
+ return sizeof(__le16);
+
+ return sizeof(struct iwl_rb_status);
+}
+
static int iwl_pcie_alloc_rxq_dma(struct iwl_trans *trans,
struct iwl_rxq *rxq)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ size_t rb_stts_size = iwl_pcie_rb_stts_size(trans);
struct device *dev = trans->dev;
int i;
int free_size;
- bool use_rx_td = (trans->trans_cfg->device_family >=
- IWL_DEVICE_FAMILY_AX210);
- size_t rb_stts_size = use_rx_td ? sizeof(__le16) :
- sizeof(struct iwl_rb_status);
spin_lock_init(&rxq->lock);
if (trans->trans_cfg->mq_rx_supported)
@@ -757,11 +765,9 @@ err:
static int iwl_pcie_rx_alloc(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ size_t rb_stts_size = iwl_pcie_rb_stts_size(trans);
struct iwl_rb_allocator *rba = &trans_pcie->rba;
int i, ret;
- size_t rb_stts_size = trans->trans_cfg->device_family >=
- IWL_DEVICE_FAMILY_AX210 ?
- sizeof(__le16) : sizeof(struct iwl_rb_status);
if (WARN_ON(trans_pcie->rxq))
return -EINVAL;
@@ -1193,11 +1199,9 @@ int iwl_pcie_gen2_rx_init(struct iwl_trans *trans)
void iwl_pcie_rx_free(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ size_t rb_stts_size = iwl_pcie_rb_stts_size(trans);
struct iwl_rb_allocator *rba = &trans_pcie->rba;
int i;
- size_t rb_stts_size = trans->trans_cfg->device_family >=
- IWL_DEVICE_FAMILY_AX210 ?
- sizeof(__le16) : sizeof(struct iwl_rb_status);
/*
* if rxq is NULL, it means that nothing has been allocated,
@@ -1636,14 +1640,14 @@ irqreturn_t iwl_pcie_irq_rx_msix_handler(int irq, void *dev_id)
struct msix_entry *entry = dev_id;
struct iwl_trans_pcie *trans_pcie = iwl_pcie_get_trans_pcie(entry);
struct iwl_trans *trans = trans_pcie->trans;
- struct iwl_rxq *rxq = &trans_pcie->rxq[entry->entry];
+ struct iwl_rxq *rxq;
trace_iwlwifi_dev_irq_msix(trans->dev, entry, false, 0, 0);
if (WARN_ON(entry->entry >= trans->num_rx_queues))
return IRQ_NONE;
- if (!rxq) {
+ if (!trans_pcie->rxq) {
if (net_ratelimit())
IWL_ERR(trans,
"[%d] Got MSI-X interrupt before we have Rx queues\n",
@@ -1651,6 +1655,7 @@ irqreturn_t iwl_pcie_irq_rx_msix_handler(int irq, void *dev_id)
return IRQ_NONE;
}
+ rxq = &trans_pcie->rxq[entry->entry];
lock_map_acquire(&trans->sync_cmd_lockdep_map);
IWL_DEBUG_ISR(trans, "[%d] Got interrupt\n", entry->entry);
@@ -1873,7 +1878,7 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id)
return IRQ_NONE;
}
- if (unlikely(inta == 0xFFFFFFFF || (inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
+ if (unlikely(inta == 0xFFFFFFFF || iwl_trans_is_hw_error_value(inta))) {
/*
* Hardware disappeared. It might have
* already raised an interrupt.