redonkable/alistair23-linux
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b43: support new TX header, noticed to be used by 598.314+ fw

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2011-08-11 15:07:16 +02:00 committed by John W. Linville
parent efe0249b0f
commit 5d85290556
4 changed files with 46 additions and 2 deletions
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3
drivers/net/wireless/b43/b43.h
View file

@ -695,6 +695,7 @@ struct b43_firmware_file {
};
enum b43_firmware_hdr_format {
B43_FW_HDR_598,
B43_FW_HDR_410,
B43_FW_HDR_351,
};
@ -883,7 +884,7 @@ struct b43_wl {
struct b43_leds leds;
/* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */
u8 pio_scratchspace[110] __attribute__((__aligned__(8)));
u8 pio_scratchspace[118] __attribute__((__aligned__(8)));
u8 pio_tailspace[4] __attribute__((__aligned__(8)));
};

4
drivers/net/wireless/b43/main.c
View file

@ -2514,7 +2514,9 @@ static int b43_upload_microcode(struct b43_wldev *dev)
}
dev->fw.rev = fwrev;
dev->fw.patch = fwpatch;
if (dev->fw.rev >= 410)
if (dev->fw.rev >= 598)
dev->fw.hdr_format = B43_FW_HDR_598;
else if (dev->fw.rev >= 410)
dev->fw.hdr_format = B43_FW_HDR_410;
else
dev->fw.hdr_format = B43_FW_HDR_351;

22
drivers/net/wireless/b43/xmit.c
View file

@ -338,6 +338,10 @@ int b43_generate_txhdr(struct b43_wldev *dev,
}
}
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->format_598.plcp),
plcp_fragment_len, rate);
break;
case B43_FW_HDR_351:
b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->format_351.plcp),
plcp_fragment_len, rate);
@ -435,6 +439,10 @@ int b43_generate_txhdr(struct b43_wldev *dev,
struct ieee80211_cts *uninitialized_var(cts);
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
cts = (struct ieee80211_cts *)
(txhdr->format_598.rts_frame);
break;
case B43_FW_HDR_351:
cts = (struct ieee80211_cts *)
(txhdr->format_351.rts_frame);
@ -453,6 +461,10 @@ int b43_generate_txhdr(struct b43_wldev *dev,
struct ieee80211_rts *uninitialized_var(rts);
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
rts = (struct ieee80211_rts *)
(txhdr->format_598.rts_frame);
break;
case B43_FW_HDR_351:
rts = (struct ieee80211_rts *)
(txhdr->format_351.rts_frame);
@ -472,6 +484,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
/* Generate the PLCP headers for the RTS/CTS frame */
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
plcp = &txhdr->format_598.rts_plcp;
break;
case B43_FW_HDR_351:
plcp = &txhdr->format_351.rts_plcp;
break;
@ -486,6 +501,10 @@ int b43_generate_txhdr(struct b43_wldev *dev,
len, rts_rate_fb);
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
hdr = (struct ieee80211_hdr *)
(&txhdr->format_598.rts_frame);
break;
case B43_FW_HDR_351:
hdr = (struct ieee80211_hdr *)
(&txhdr->format_351.rts_frame);
@ -522,6 +541,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
/* Magic cookie */
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
txhdr->format_598.cookie = cpu_to_le16(cookie);
break;
case B43_FW_HDR_351:
txhdr->format_351.cookie = cpu_to_le16(cookie);
break;

19
drivers/net/wireless/b43/xmit.h
View file

@ -46,6 +46,23 @@ struct b43_txhdr {
__le32 timeout; /* Timeout */
union {
/* Tested with 598.314, 644.1001 and 666.2 */
struct {
__le16 mimo_antenna; /* MIMO antenna select */
__le16 preload_size; /* Preload size */
PAD_BYTES(2);
__le16 cookie; /* TX frame cookie */
__le16 tx_status; /* TX status */
__le16 max_n_mpdus;
__le16 max_a_bytes_mrt;
__le16 max_a_bytes_fbr;
__le16 min_m_bytes;
struct b43_plcp_hdr6 rts_plcp; /* RTS PLCP header */
__u8 rts_frame[16]; /* The RTS frame (if used) */
PAD_BYTES(2);
struct b43_plcp_hdr6 plcp; /* Main PLCP header */
} format_598 __packed;
/* Tested with 410.2160, 478.104 and 508.* */
struct {
__le16 mimo_antenna; /* MIMO antenna select */
@ -170,6 +187,8 @@ static inline
size_t b43_txhdr_size(struct b43_wldev *dev)
{
switch (dev->fw.hdr_format) {
case B43_FW_HDR_598:
return 112 + sizeof(struct b43_plcp_hdr6);
case B43_FW_HDR_410:
return 104 + sizeof(struct b43_plcp_hdr6);
case B43_FW_HDR_351: