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WSL2-Linux-Kernel
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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>
This commit is contained in:
Helmut Schaa 2011-03-03 19:43:25 +01:00 коммит произвёл John W. Linville
Родитель fe107a5234
Коммит 2517794b70
7 изменённых файлов: 17 добавлений и 15 удалений
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2
drivers/net/wireless/rt2x00/rt2400pci.c
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@ -1166,7 +1166,7 @@ static void rt2400pci_write_tx_desc(struct queue_entry *entry,
test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_RTS,
test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
rt2x00_desc_write(txd, 0, word);

2
drivers/net/wireless/rt2x00/rt2500pci.c
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@ -1317,7 +1317,7 @@ static void rt2500pci_write_tx_desc(struct queue_entry *entry,
rt2x00_set_field32(&word, TXD_W0_OFDM,
(txdesc->rate_mode == RATE_MODE_OFDM));
rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);

2
drivers/net/wireless/rt2x00/rt2500usb.c
Просмотреть файл

@ -1100,7 +1100,7 @@ static void rt2500usb_write_tx_desc(struct queue_entry *entry,
(txdesc->rate_mode == RATE_MODE_OFDM));
rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs);
rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher);
rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);

20
drivers/net/wireless/rt2x00/rt2x00queue.c
Просмотреть файл

@ -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.

2
drivers/net/wireless/rt2x00/rt2x00queue.h
Просмотреть файл

@ -311,6 +311,7 @@ struct txentry_desc {
u16 length_low;
u16 signal;
u16 service;
enum ifs ifs;
} plcp;
struct {
@ -325,7 +326,6 @@ struct txentry_desc {
u16 rate_mode;
short retry_limit;
enum ifs ifs;
enum cipher cipher;
u16 key_idx;

2
drivers/net/wireless/rt2x00/rt61pci.c
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@ -1948,7 +1948,7 @@ static void rt61pci_write_tx_desc(struct queue_entry *entry,
test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_OFDM,
(txdesc->rate_mode == RATE_MODE_OFDM));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,

2
drivers/net/wireless/rt2x00/rt73usb.c
Просмотреть файл

@ -1474,7 +1474,7 @@ static void rt73usb_write_tx_desc(struct queue_entry *entry,
test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_OFDM,
(txdesc->rate_mode == RATE_MODE_OFDM));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,