From 5d852905561a979dfb4d8a68f7313dcb8f055bec Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Thu, 11 Aug 2011 15:07:16 +0200 Subject: [PATCH] b43: support new TX header, noticed to be used by 598.314+ fw MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- 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 39baaaf4088f..f4e9d8b7d9f8 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -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))); }; diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index cc3dd800559e..aac883220994 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -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; diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 5ce17d5eed6e..b02170d6614a 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 a3ff727d27f2..dccf7c1b20a3 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: -- 2.20.1