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authorHelmut Schaa <helmut.schaa@googlemail.com>2011-03-03 21:43:25 +0300
committerJohn W. Linville <linville@tuxdriver.com>2011-03-04 22:06:47 +0300
commit2517794b702cf62bb049e57c0825fc4573f8a6a3 (patch)
tree5ebca999bdba2bd5467e7bb7c93ff696c2218d53 /drivers/net/wireless/rt2x00/rt2x00queue.c
parentfe107a5234de1f1576df466b2ea8d01868f6ee77 (diff)
downloadlinux-2517794b702cf62bb049e57c0825fc4573f8a6a3.tar.xz
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.c20
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.