diff options
Diffstat (limited to 'package/mac80211/patches/312-rt2x00-Fix-TX-descriptor-usage-rt2800usb.patch')
| -rw-r--r-- | package/mac80211/patches/312-rt2x00-Fix-TX-descriptor-usage-rt2800usb.patch | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/package/mac80211/patches/312-rt2x00-Fix-TX-descriptor-usage-rt2800usb.patch b/package/mac80211/patches/312-rt2x00-Fix-TX-descriptor-usage-rt2800usb.patch new file mode 100644 index 000000000..897a62e82 --- /dev/null +++ b/package/mac80211/patches/312-rt2x00-Fix-TX-descriptor-usage-rt2800usb.patch @@ -0,0 +1,112 @@ +From e9a3a3b9744f0204ec4beec8f9bea3c11ce6f54b Mon Sep 17 00:00:00 2001 +From: Ivo van Doorn <IvDoorn@gmail.com> +Date: Sat, 10 Jan 2009 19:21:46 +0100 +Subject: [PATCH] rt2x00: Fix TX descriptor usage (rt2800usb) + +Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> +--- + drivers/net/wireless/rt2x00/rt2800usb.c | 46 ++++++++++--------------------- + drivers/net/wireless/rt2x00/rt2800usb.h | 1 + + 2 files changed, 16 insertions(+), 31 deletions(-) + +--- a/drivers/net/wireless/rt2x00/rt2800usb.c ++++ b/drivers/net/wireless/rt2x00/rt2800usb.c +@@ -1635,8 +1635,8 @@ static void rt2800usb_write_tx_desc(stru + struct txentry_desc *txdesc) + { + struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); +- __le32 *txd = skbdesc->desc; +- __le32 *txwi = txd + TXD_DESC_SIZE; ++ __le32 *txi = skbdesc->desc; ++ __le32 *txwi = txi + TXINFO_DESC_SIZE; + u32 word; + + /* +@@ -1683,31 +1683,15 @@ static void rt2800usb_write_tx_desc(stru + /* + * Initialize TX descriptor + */ +- rt2x00_desc_read(txd, 0, &word); +- rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); +- rt2x00_desc_write(txd, 0, word); +- +- rt2x00_desc_read(txd, 1, &word); +- rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len); +- rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, 1); +- rt2x00_set_field32(&word, TXD_W1_BURST, ++ rt2x00_desc_read(txi, 0, &word); ++ rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, skb->len); ++ rt2x00_set_field32(&word, TXINFO_W0_WIV, 1); ++ rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2); ++ rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0); ++ rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0); ++ rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST, + test_bit(ENTRY_TXD_BURST, &txdesc->flags)); +- rt2x00_set_field32(&word, TXD_W1_SD_LEN0, +- rt2x00dev->hw->extra_tx_headroom); +- rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, +- !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); +- rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); +- rt2x00_desc_write(txd, 1, word); +- +- rt2x00_desc_read(txd, 2, &word); +- rt2x00_set_field32(&word, TXD_W2_SD_PTR1, +- skbdesc->skb_dma + rt2x00dev->hw->extra_tx_headroom); +- rt2x00_desc_write(txd, 2, word); +- +- rt2x00_desc_read(txd, 3, &word); +- rt2x00_set_field32(&word, TXD_W3_WIV, 1); +- rt2x00_set_field32(&word, TXD_W3_QSEL, 2); +- rt2x00_desc_write(txd, 3, word); ++ rt2x00_desc_write(txi, 0, word); + } + + /* +@@ -1881,9 +1865,9 @@ static void rt2800usb_fill_rxdone(struct + rxdesc->size = rt2x00_get_field32(rxwi0, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); + + /* +- * Remove TXWI descriptor from start of buffer. ++ * Remove RXWI descriptor from start of buffer. + */ +- skb_pull(entry->skb, TXWI_DESC_SIZE + skbdesc->desc_len); ++ skb_pull(entry->skb, RXWI_DESC_SIZE + skbdesc->desc_len); + skb_trim(entry->skb, rxdesc->size); + } + +@@ -2146,7 +2130,7 @@ static int rt2800usb_probe_hw_mode(struc + IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_PS_NULLFUNC_STACK; +- rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE + TXINFO_DESC_SIZE; ++ rt2x00dev->hw->extra_tx_headroom = TXINFO_DESC_SIZE + TXWI_DESC_SIZE; + + SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); + SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, +@@ -2445,14 +2429,14 @@ static const struct data_queue_desc rt28 + static const struct data_queue_desc rt2800usb_queue_tx = { + .entry_num = TX_ENTRIES, + .data_size = DATA_FRAME_SIZE, +- .desc_size = TXD_DESC_SIZE, ++ .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE, + .priv_size = sizeof(struct queue_entry_priv_usb), + }; + + static const struct data_queue_desc rt2800usb_queue_bcn = { + .entry_num = 8 * BEACON_ENTRIES, + .data_size = MGMT_FRAME_SIZE, +- .desc_size = TXWI_DESC_SIZE, ++ .desc_size = TXINFO_DESC_SIZE + TXWI_DESC_SIZE, + .priv_size = sizeof(struct queue_entry_priv_usb), + }; + +--- a/drivers/net/wireless/rt2x00/rt2800usb.h ++++ b/drivers/net/wireless/rt2x00/rt2800usb.h +@@ -1744,6 +1744,7 @@ struct hw_key_entry { + #define TXINFO_W0_USB_DMA_TX_PKT_LEN FIELD32(0x0000ffff) + #define TXINFO_W0_WIV FIELD32(0x01000000) + #define TXINFO_W0_QSEL FIELD32(0x06000000) ++#define TXINFO_W0_SW_USE_LAST_ROUND FIELD32(0x08000000) + #define TXINFO_W0_USB_DMA_NEXT_VALID FIELD32(0x40000000) + #define TXINFO_W0_USB_DMA_TX_BURST FIELD32(0x80000000) + |