b43: support new RX header, noticed to be used in 598.314+ fw

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 83cba22ac6e88d6c6bddeecc1d65815b62db5f3f..d0d9aee44a59a8868af94dd5e92df958d76560f4 100644 (file)
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -858,8 +858,17 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
                ring->current_slot = -1;
        } else {
                if (ring->index == 0) {
-                       ring->rx_buffersize = B43_DMA0_RX_BUFFERSIZE;
-                       ring->frameoffset = B43_DMA0_RX_FRAMEOFFSET;
+                       switch (dev->fw.hdr_format) {
+                       case B43_FW_HDR_598:
+                               ring->rx_buffersize = B43_DMA0_RX_FW598_BUFSIZE;
+                               ring->frameoffset = B43_DMA0_RX_FW598_FO;
+                               break;
+                       case B43_FW_HDR_410:
+                       case B43_FW_HDR_351:
+                               ring->rx_buffersize = B43_DMA0_RX_FW351_BUFSIZE;
+                               ring->frameoffset = B43_DMA0_RX_FW351_FO;
+                               break;
+                       }
                } else
                        B43_WARN_ON(1);
        }

diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index cdf87094efe8270a9b20c06c66a5b59e125c9f18..546d19cbf5d59ef76e907988f059581d475b7b61 100644 (file)
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -162,12 +162,15 @@ struct b43_dmadesc_generic {
 
 /* Misc DMA constants */
 #define B43_DMA_RINGMEMSIZE            PAGE_SIZE
-#define B43_DMA0_RX_FRAMEOFFSET                30
+/* Offset of frame with actual data */
+#define B43_DMA0_RX_FW598_FO           38
+#define B43_DMA0_RX_FW351_FO           30
 
 /* DMA engine tuning knobs */
 #define B43_TXRING_SLOTS               256
 #define B43_RXRING_SLOTS               64
-#define B43_DMA0_RX_BUFFERSIZE         (B43_DMA0_RX_FRAMEOFFSET + IEEE80211_MAX_FRAME_LEN)
+#define B43_DMA0_RX_FW598_BUFSIZE      (B43_DMA0_RX_FW598_FO + IEEE80211_MAX_FRAME_LEN)
+#define B43_DMA0_RX_FW351_BUFSIZE      (B43_DMA0_RX_FW351_FO + IEEE80211_MAX_FRAME_LEN)
 
 /* Pointer poison */
 #define B43_DMA_PTR_POISON             ((void *)ERR_PTR(-ENOMEM))

diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 6e4228c3ed1bde3b6e143bd06add80399ff334fe..ce8a4bdc7e1dbe5e1364b36f5d730c50161d9ed7 100644 (file)
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -676,7 +676,15 @@ data_ready:
                goto rx_error;
        }
 
-       macstat = le32_to_cpu(rxhdr->mac_status);
+       switch (dev->fw.hdr_format) {
+       case B43_FW_HDR_598:
+               macstat = le32_to_cpu(rxhdr->format_598.mac_status);
+               break;
+       case B43_FW_HDR_410:
+       case B43_FW_HDR_351:
+               macstat = le32_to_cpu(rxhdr->format_351.mac_status);
+               break;
+       }
        if (macstat & B43_RX_MAC_FCSERR) {
                if (!(q->dev->wl->filter_flags & FIF_FCSFAIL)) {
                        /* Drop frames with failed FCS. */

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index b02170d6614a45291552448ea1a877055327fd1e..5b8240935fa9b93c5c2a757b41ca4a1e18e04311 100644 (file)
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -653,8 +653,9 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
        struct ieee80211_hdr *wlhdr;
        const struct b43_rxhdr_fw4 *rxhdr = _rxhdr;
        __le16 fctl;
-       u16 phystat0, phystat3, chanstat, mactime;
-       u32 macstat;
+       u16 phystat0, phystat3;
+       u16 uninitialized_var(chanstat), uninitialized_var(mactime);
+       u32 uninitialized_var(macstat);
        u16 chanid;
        u16 phytype;
        int padding;
@@ -664,9 +665,19 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
        /* Get metadata about the frame from the header. */
        phystat0 = le16_to_cpu(rxhdr->phy_status0);
        phystat3 = le16_to_cpu(rxhdr->phy_status3);
-       macstat = le32_to_cpu(rxhdr->mac_status);
-       mactime = le16_to_cpu(rxhdr->mac_time);
-       chanstat = le16_to_cpu(rxhdr->channel);
+       switch (dev->fw.hdr_format) {
+       case B43_FW_HDR_598:
+               macstat = le32_to_cpu(rxhdr->format_598.mac_status);
+               mactime = le16_to_cpu(rxhdr->format_598.mac_time);
+               chanstat = le16_to_cpu(rxhdr->format_598.channel);
+               break;
+       case B43_FW_HDR_410:
+       case B43_FW_HDR_351:
+               macstat = le32_to_cpu(rxhdr->format_351.mac_status);
+               mactime = le16_to_cpu(rxhdr->format_351.mac_time);
+               chanstat = le16_to_cpu(rxhdr->format_351.channel);
+               break;
+       }
        phytype = chanstat & B43_RX_CHAN_PHYTYPE;
 
        if (unlikely(macstat & B43_RX_MAC_FCSERR)) {

diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index dccf7c1b20a3623f4511282235ad18f4438dacbd..f6e8bc436d5a20028818e155369600279db285af 100644 (file)
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -250,9 +250,23 @@ struct b43_rxhdr_fw4 {
        } __packed;
        __le16 phy_status2;     /* PHY RX Status 2 */
        __le16 phy_status3;     /* PHY RX Status 3 */
-       __le32 mac_status;      /* MAC RX status */
-       __le16 mac_time;
-       __le16 channel;
+       union {
+               /* Tested with 598.314, 644.1001 and 666.2 */
+               struct {
+                       __le16 phy_status4;     /* PHY RX Status 4 */
+                       __le16 phy_status5;     /* PHY RX Status 5 */
+                       __le32 mac_status;      /* MAC RX status */
+                       __le16 mac_time;
+                       __le16 channel;
+               } format_598 __packed;
+
+               /* Tested with 351.126, 410.2160, 478.104 and 508.* */
+               struct {
+                       __le32 mac_status;      /* MAC RX status */
+                       __le16 mac_time;
+                       __le16 channel;
+               } format_351 __packed;
+       } __packed;
 } __packed;
 
 /* PHY RX Status 0 */