From: "Rafał Miłecki" <zajec5@gmail.com>
To: linux-wireless@vger.kernel.org,
"John W. Linville" <linville@tuxdriver.com>
Cc: b43-dev@lists.infradead.org, "Rafał Miłecki" <zajec5@gmail.com>
Subject: [PATCH 3/3] b43: support new TX header, noticed to be used by 598.314+ fw
Date: Thu, 11 Aug 2011 15:07:16 +0200 [thread overview]
Message-ID: <1313068036-13608-3-git-send-email-zajec5@gmail.com> (raw)
In-Reply-To: <1313068036-13608-1-git-send-email-zajec5@gmail.com>
Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com>
---
drivers/net/wireless/b43/b43.h | 3 ++-
drivers/net/wireless/b43/main.c | 4 +++-
drivers/net/wireless/b43/xmit.c | 22 ++++++++++++++++++++++
drivers/net/wireless/b43/xmit.h | 19 +++++++++++++++++++
4 files changed, 46 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index e9f04ae..9e5974b 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -696,6 +696,7 @@ struct b43_firmware_file {
};
enum b43_firmware_hdr_format {
+ B43_FW_HDR_598,
B43_FW_HDR_410,
B43_FW_HDR_351,
};
@@ -884,7 +885,7 @@ 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)));
};
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index fa05f00..654c21e 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2510,7 +2510,9 @@ 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;
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 5ce17d5..b02170d 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -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;
diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index a3ff727..dccf7c1 100644
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -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:
--
1.7.3.4
next prev parent reply other threads:[~2011-08-11 13:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-11 13:07 [PATCH 1/3] b43: rename TX header formats Rafał Miłecki
2011-08-11 13:07 ` [PATCH 2/3] b43: use enum for firmware header format Rafał Miłecki
2011-08-11 13:07 ` Rafał Miłecki [this message]
2011-08-11 13:42 ` [PATCH 3/3] b43: support new TX header, noticed to be used by 598.314+ fw Larry Finger
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