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path: root/drivers/net/wireless/iwlegacy
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Diffstat (limited to 'drivers/net/wireless/iwlegacy')
-rw-r--r--drivers/net/wireless/iwlegacy/3945-mac.c39
-rw-r--r--drivers/net/wireless/iwlegacy/4965-mac.c57
-rw-r--r--drivers/net/wireless/iwlegacy/4965.c3
-rw-r--r--drivers/net/wireless/iwlegacy/commands.h3
-rw-r--r--drivers/net/wireless/iwlegacy/common.h1
5 files changed, 68 insertions, 35 deletions
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index 050ce7c70d74..83856d1a6101 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -1001,12 +1001,12 @@ il3945_rx_allocate(struct il_priv *il, gfp_t priority)
struct list_head *element;
struct il_rx_buf *rxb;
struct page *page;
+ dma_addr_t page_dma;
unsigned long flags;
gfp_t gfp_mask = priority;
while (1) {
spin_lock_irqsave(&rxq->lock, flags);
-
if (list_empty(&rxq->rx_used)) {
spin_unlock_irqrestore(&rxq->lock, flags);
return;
@@ -1035,26 +1035,34 @@ il3945_rx_allocate(struct il_priv *il, gfp_t priority)
break;
}
+ /* Get physical address of RB/SKB */
+ page_dma =
+ pci_map_page(il->pci_dev, page, 0,
+ PAGE_SIZE << il->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
+
+ if (unlikely(pci_dma_mapping_error(il->pci_dev, page_dma))) {
+ __free_pages(page, il->hw_params.rx_page_order);
+ break;
+ }
+
spin_lock_irqsave(&rxq->lock, flags);
+
if (list_empty(&rxq->rx_used)) {
spin_unlock_irqrestore(&rxq->lock, flags);
+ pci_unmap_page(il->pci_dev, page_dma,
+ PAGE_SIZE << il->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
__free_pages(page, il->hw_params.rx_page_order);
return;
}
+
element = rxq->rx_used.next;
rxb = list_entry(element, struct il_rx_buf, list);
list_del(element);
- spin_unlock_irqrestore(&rxq->lock, flags);
rxb->page = page;
- /* Get physical address of RB/SKB */
- rxb->page_dma =
- pci_map_page(il->pci_dev, page, 0,
- PAGE_SIZE << il->hw_params.rx_page_order,
- PCI_DMA_FROMDEVICE);
-
- spin_lock_irqsave(&rxq->lock, flags);
-
+ rxb->page_dma = page_dma;
list_add_tail(&rxb->list, &rxq->rx_free);
rxq->free_count++;
il->alloc_rxb_page++;
@@ -1284,8 +1292,15 @@ il3945_rx_handle(struct il_priv *il)
pci_map_page(il->pci_dev, rxb->page, 0,
PAGE_SIZE << il->hw_params.
rx_page_order, PCI_DMA_FROMDEVICE);
- list_add_tail(&rxb->list, &rxq->rx_free);
- rxq->free_count++;
+ if (unlikely(pci_dma_mapping_error(il->pci_dev,
+ rxb->page_dma))) {
+ __il_free_pages(il, rxb->page);
+ rxb->page = NULL;
+ list_add_tail(&rxb->list, &rxq->rx_used);
+ } else {
+ list_add_tail(&rxb->list, &rxq->rx_free);
+ rxq->free_count++;
+ }
} else
list_add_tail(&rxb->list, &rxq->rx_used);
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index f1dc04006564..9741ac10a334 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -319,6 +319,7 @@ il4965_rx_allocate(struct il_priv *il, gfp_t priority)
struct list_head *element;
struct il_rx_buf *rxb;
struct page *page;
+ dma_addr_t page_dma;
unsigned long flags;
gfp_t gfp_mask = priority;
@@ -356,33 +357,35 @@ il4965_rx_allocate(struct il_priv *il, gfp_t priority)
return;
}
+ /* Get physical address of the RB */
+ page_dma =
+ pci_map_page(il->pci_dev, page, 0,
+ PAGE_SIZE << il->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
+ if (unlikely(pci_dma_mapping_error(il->pci_dev, page_dma))) {
+ __free_pages(page, il->hw_params.rx_page_order);
+ break;
+ }
+
spin_lock_irqsave(&rxq->lock, flags);
if (list_empty(&rxq->rx_used)) {
spin_unlock_irqrestore(&rxq->lock, flags);
+ pci_unmap_page(il->pci_dev, page_dma,
+ PAGE_SIZE << il->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
__free_pages(page, il->hw_params.rx_page_order);
return;
}
+
element = rxq->rx_used.next;
rxb = list_entry(element, struct il_rx_buf, list);
list_del(element);
- spin_unlock_irqrestore(&rxq->lock, flags);
-
BUG_ON(rxb->page);
- rxb->page = page;
- /* Get physical address of the RB */
- rxb->page_dma =
- pci_map_page(il->pci_dev, page, 0,
- PAGE_SIZE << il->hw_params.rx_page_order,
- PCI_DMA_FROMDEVICE);
- /* dma address must be no more than 36 bits */
- BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
- /* and also 256 byte aligned! */
- BUG_ON(rxb->page_dma & DMA_BIT_MASK(8));
-
- spin_lock_irqsave(&rxq->lock, flags);
+ rxb->page = page;
+ rxb->page_dma = page_dma;
list_add_tail(&rxb->list, &rxq->rx_free);
rxq->free_count++;
il->alloc_rxb_page++;
@@ -725,6 +728,16 @@ il4965_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb)
if (rate_n_flags & RATE_MCS_SGI_MSK)
rx_status.flag |= RX_FLAG_SHORT_GI;
+ if (phy_res->phy_flags & RX_RES_PHY_FLAGS_AGG_MSK) {
+ /* We know which subframes of an A-MPDU belong
+ * together since we get a single PHY response
+ * from the firmware for all of them.
+ */
+
+ rx_status.flag |= RX_FLAG_AMPDU_DETAILS;
+ rx_status.ampdu_reference = il->_4965.ampdu_ref;
+ }
+
il4965_pass_packet_to_mac80211(il, header, len, ampdu_status, rxb,
&rx_status);
}
@@ -736,6 +749,7 @@ il4965_hdl_rx_phy(struct il_priv *il, struct il_rx_buf *rxb)
{
struct il_rx_pkt *pkt = rxb_addr(rxb);
il->_4965.last_phy_res_valid = true;
+ il->_4965.ampdu_ref++;
memcpy(&il->_4965.last_phy_res, pkt->u.raw,
sizeof(struct il_rx_phy_res));
}
@@ -4281,8 +4295,16 @@ il4965_rx_handle(struct il_priv *il)
pci_map_page(il->pci_dev, rxb->page, 0,
PAGE_SIZE << il->hw_params.
rx_page_order, PCI_DMA_FROMDEVICE);
- list_add_tail(&rxb->list, &rxq->rx_free);
- rxq->free_count++;
+
+ if (unlikely(pci_dma_mapping_error(il->pci_dev,
+ rxb->page_dma))) {
+ __il_free_pages(il, rxb->page);
+ rxb->page = NULL;
+ list_add_tail(&rxb->list, &rxq->rx_used);
+ } else {
+ list_add_tail(&rxb->list, &rxq->rx_free);
+ rxq->free_count++;
+ }
} else
list_add_tail(&rxb->list, &rxq->rx_used);
@@ -6573,9 +6595,6 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
goto out_free_eeprom;
- if (err)
- goto out_free_eeprom;
-
/* extract MAC Address */
il4965_eeprom_get_mac(il, il->addresses[0].addr);
D_INFO("MAC address: %pM\n", il->addresses[0].addr);
diff --git a/drivers/net/wireless/iwlegacy/4965.c b/drivers/net/wireless/iwlegacy/4965.c
index 5db11714e047..91eb2d07fdb8 100644
--- a/drivers/net/wireless/iwlegacy/4965.c
+++ b/drivers/net/wireless/iwlegacy/4965.c
@@ -1748,7 +1748,6 @@ static void
il4965_post_associate(struct il_priv *il)
{
struct ieee80211_vif *vif = il->vif;
- struct ieee80211_conf *conf = NULL;
int ret = 0;
if (!vif || !il->is_open)
@@ -1759,8 +1758,6 @@ il4965_post_associate(struct il_priv *il)
il_scan_cancel_timeout(il, 200);
- conf = &il->hw->conf;
-
il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
il_commit_rxon(il);
diff --git a/drivers/net/wireless/iwlegacy/commands.h b/drivers/net/wireless/iwlegacy/commands.h
index 25dd7d28d022..3b6c99400892 100644
--- a/drivers/net/wireless/iwlegacy/commands.h
+++ b/drivers/net/wireless/iwlegacy/commands.h
@@ -1134,8 +1134,9 @@ struct il_wep_cmd {
#define RX_RES_PHY_FLAGS_MOD_CCK_MSK cpu_to_le16(1 << 1)
#define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK cpu_to_le16(1 << 2)
#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK cpu_to_le16(1 << 3)
-#define RX_RES_PHY_FLAGS_ANTENNA_MSK 0xf0
+#define RX_RES_PHY_FLAGS_ANTENNA_MSK 0x70
#define RX_RES_PHY_FLAGS_ANTENNA_POS 4
+#define RX_RES_PHY_FLAGS_AGG_MSK cpu_to_le16(1 << 7)
#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8)
#define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8)
diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h
index 37fe553b25e0..96f2025d936e 100644
--- a/drivers/net/wireless/iwlegacy/common.h
+++ b/drivers/net/wireless/iwlegacy/common.h
@@ -1356,6 +1356,7 @@ struct il_priv {
struct {
struct il_rx_phy_res last_phy_res;
bool last_phy_res_valid;
+ u32 ampdu_ref;
struct completion firmware_loading_complete;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 04:21:53 +0300