diff options
| author | Helmut Schaa <helmut.schaa@googlemail.com> | 2011-03-03 19:43:25 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-03-04 20:06:47 +0100 |
| commit | 2517794b702cf62bb049e57c0825fc4573f8a6a3 (patch) | |
| tree | 5ebca999bdba2bd5467e7bb7c93ff696c2218d53 /drivers/net/wireless/rt2x00/rt2x00queue.c | |
| parent | rt2x00: Optimize TX descriptor memory layout (diff) | |
| download | linux-2517794b702cf62bb049e57c0825fc4573f8a6a3.tar.xz linux-2517794b702cf62bb049e57c0825fc4573f8a6a3.zip | |
rt2x00: Move TX descriptor field "ifs" into plcp substruct
"ifs" is only used by no-HT devices. Move it into the plcp substruct and
fill in the value only for no-HT devices.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 7816c1c39d6e..6300cf309872 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -262,6 +262,16 @@ static void rt2x00queue_create_tx_descriptor_plcp(struct queue_entry *entry, unsigned int duration; unsigned int residual; + /* + * Determine with what IFS priority this frame should be send. + * Set ifs to IFS_SIFS when the this is not the first fragment, + * or this fragment came after RTS/CTS. + */ + if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) + txdesc->u.plcp.ifs = IFS_BACKOFF; + else + txdesc->u.plcp.ifs = IFS_SIFS; + /* Data length + CRC + Crypto overhead (IV/EIV/ICV/MIC) */ data_length = entry->skb->len + 4; data_length += rt2x00crypto_tx_overhead(rt2x00dev, entry->skb); @@ -373,17 +383,9 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, ieee80211_is_probe_resp(hdr->frame_control)) __set_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags); - /* - * Determine with what IFS priority this frame should be send. - * Set ifs to IFS_SIFS when the this is not the first fragment, - * or this fragment came after RTS/CTS. - */ if ((tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) && - !test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags)) { + !test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags)) __set_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags); - txdesc->ifs = IFS_BACKOFF; - } else - txdesc->ifs = IFS_SIFS; /* * Determine rate modulation. |