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| author | Shahar Levi <shahar_levi@ti.com> | 2011-03-06 16:32:13 +0200 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-04-19 16:49:00 +0300 |
| commit | ae77eccf04f8c36769bdba334e1bbcc7bb9d3644 (patch) | |
| tree | 194dfe308ae19ae5ace06f5c9fbb38532976c7b4 /drivers/net/wireless/wl12xx/tx.c | |
| parent | 13b107dd9808343d05627f0fba7fbc764c86738e (diff) | |
| download | kernel_samsung_smdk4412-ae77eccf04f8c36769bdba334e1bbcc7bb9d3644.zip kernel_samsung_smdk4412-ae77eccf04f8c36769bdba334e1bbcc7bb9d3644.tar.gz kernel_samsung_smdk4412-ae77eccf04f8c36769bdba334e1bbcc7bb9d3644.tar.bz2 | |
wl12xx: 1281/1283 support - Improve Tx & Rx path
Reduced bus transactions in the Tx & Rx path.
[Removed unnecessary check wl->chip.id != CHIP_ID_1283_PG20 when
checking the quirk -- Luca]
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/tx.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index e296f0a..afc8505 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -158,8 +158,14 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra, desc = (struct wl1271_tx_hw_descr *)skb_push( skb, total_len - skb->len); - desc->wl127x_mem.extra_blocks = TX_HW_BLOCK_SPARE; - desc->wl127x_mem.total_mem_blocks = total_blocks; + /* HW descriptor fields change between wl127x and wl128x */ + if (wl->chip.id == CHIP_ID_1283_PG20) { + desc->wl128x_mem.total_mem_blocks = total_blocks; + } else { + desc->wl127x_mem.extra_blocks = TX_HW_BLOCK_SPARE; + desc->wl127x_mem.total_mem_blocks = total_blocks; + } + desc->id = id; wl->tx_blocks_available -= total_blocks; @@ -249,6 +255,13 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, desc->wl128x_mem.extra_bytes = aligned_len - skb->len; desc->length = cpu_to_le16(aligned_len >> 2); + + wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d " + "tx_attr: 0x%x len: %d life: %d mem: %d", + desc->hlid, tx_attr, + le16_to_cpu(desc->length), + le16_to_cpu(desc->life_time), + desc->wl128x_mem.total_mem_blocks); } else { int pad; @@ -260,16 +273,15 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb, pad = aligned_len - skb->len; tx_attr |= pad << TX_HW_ATTR_OFST_LAST_WORD_PAD; - wl1271_debug(DEBUG_TX, "tx_fill_hdr: padding: %d", pad); + wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d hlid: %d " + "tx_attr: 0x%x len: %d life: %d mem: %d", pad, + desc->hlid, tx_attr, + le16_to_cpu(desc->length), + le16_to_cpu(desc->life_time), + desc->wl127x_mem.total_mem_blocks); } desc->tx_attr = cpu_to_le16(tx_attr); - - wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d tx_attr: 0x%x " - "len: %d life: %d mem: %d", - desc->hlid, le16_to_cpu(desc->tx_attr), - le16_to_cpu(desc->length), le16_to_cpu(desc->life_time), - desc->wl127x_mem.total_mem_blocks); } /* caller must hold wl->mutex */ |