Jeff, One more fix for 2.6.24. Without this b43 passes the wrong channel number and frequency to mac80211 for received frames. The patch is a little big, but it is mostly some definitions related to other definitions used in the fix itself. Let me know if this is a problem! Thanks, John --- Individual patches are available here: http://www.kernel.org/pub/linux/kernel/people/linville/wireless-2.6/fixes-jgarzik --- The following changes since commit 3ce54450461bad18bbe1f9f5aa3ecd2f8e8d1235: Linus Torvalds (1): Linux 2.6.24-rc7 are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git fixes-jgarzik Michael Buesch (1): b43: Fix rxheader channel parsing drivers/net/wireless/b43/b43.h | 2 + drivers/net/wireless/b43/main.h | 20 ++--------- drivers/net/wireless/b43/xmit.c | 27 +++++++++++----- drivers/net/wireless/b43/xmit.h | 65 +++++++++++++++++++++----------------- 4 files changed, 61 insertions(+), 53 deletions(-) diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index a28ad23..7b6fc1a 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -273,6 +273,8 @@ enum { #define B43_PHYTYPE_A 0x00 #define B43_PHYTYPE_B 0x01 #define B43_PHYTYPE_G 0x02 +#define B43_PHYTYPE_N 0x04 +#define B43_PHYTYPE_LP 0x05 /* PHYRegisters */ #define B43_PHY_ILT_A_CTRL 0x0072 diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h index 284d17d..08e2e56 100644 --- a/drivers/net/wireless/b43/main.h +++ b/drivers/net/wireless/b43/main.h @@ -39,11 +39,11 @@ #define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes)) /* Lightweight function to convert a frequency (in Mhz) to a channel number. */ -static inline u8 b43_freq_to_channel_a(int freq) +static inline u8 b43_freq_to_channel_5ghz(int freq) { return ((freq - 5000) / 5); } -static inline u8 b43_freq_to_channel_bg(int freq) +static inline u8 b43_freq_to_channel_2ghz(int freq) { u8 channel; @@ -54,19 +54,13 @@ static inline u8 b43_freq_to_channel_bg(int freq) return channel; } -static inline u8 b43_freq_to_channel(struct b43_wldev *dev, int freq) -{ - if (dev->phy.type == B43_PHYTYPE_A) - return b43_freq_to_channel_a(freq); - return b43_freq_to_channel_bg(freq); -} /* Lightweight function to convert a channel number to a frequency (in Mhz). */ -static inline int b43_channel_to_freq_a(u8 channel) +static inline int b43_channel_to_freq_5ghz(u8 channel) { return (5000 + (5 * channel)); } -static inline int b43_channel_to_freq_bg(u8 channel) +static inline int b43_channel_to_freq_2ghz(u8 channel) { int freq; @@ -77,12 +71,6 @@ static inline int b43_channel_to_freq_bg(u8 channel) return freq; } -static inline int b43_channel_to_freq(struct b43_wldev *dev, u8 channel) -{ - if (dev->phy.type == B43_PHYTYPE_A) - return b43_channel_to_freq_a(channel); - return b43_channel_to_freq_bg(channel); -} static inline int b43_is_cck_rate(int rate) { diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 0bd6f8a..3307ba1 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -531,21 +531,32 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) switch (chanstat & B43_RX_CHAN_PHYTYPE) { case B43_PHYTYPE_A: status.phymode = MODE_IEEE80211A; - status.freq = chanid; - status.channel = b43_freq_to_channel_a(chanid); - break; - case B43_PHYTYPE_B: - status.phymode = MODE_IEEE80211B; - status.freq = chanid + 2400; - status.channel = b43_freq_to_channel_bg(chanid + 2400); + B43_WARN_ON(1); + /* FIXME: We don't really know which value the "chanid" contains. + * So the following assignment might be wrong. */ + status.channel = chanid; + status.freq = b43_channel_to_freq_5ghz(status.channel); break; case B43_PHYTYPE_G: status.phymode = MODE_IEEE80211G; + /* chanid is the radio channel cookie value as used + * to tune the radio. */ status.freq = chanid + 2400; - status.channel = b43_freq_to_channel_bg(chanid + 2400); + status.channel = b43_freq_to_channel_2ghz(status.freq); + break; + case B43_PHYTYPE_N: + status.phymode = 0xDEAD /*FIXME MODE_IEEE80211N*/; + /* chanid is the SHM channel cookie. Which is the plain + * channel number in b43. */ + status.channel = chanid; + if (chanstat & B43_RX_CHAN_5GHZ) + status.freq = b43_freq_to_channel_5ghz(status.freq); + else + status.freq = b43_freq_to_channel_2ghz(status.freq); break; default: B43_WARN_ON(1); + goto drop; } dev->stats.last_rx = jiffies; diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h index 03bddd2..6dc0793 100644 --- a/drivers/net/wireless/b43/xmit.h +++ b/drivers/net/wireless/b43/xmit.h @@ -142,49 +142,56 @@ struct b43_rxhdr_fw4 { } __attribute__ ((__packed__)); /* PHY RX Status 0 */ -#define B43_RX_PHYST0_GAINCTL 0x4000 /* Gain Control */ -#define B43_RX_PHYST0_PLCPHCF 0x0200 -#define B43_RX_PHYST0_PLCPFV 0x0100 -#define B43_RX_PHYST0_SHORTPRMBL 0x0080 /* Received with Short Preamble */ +#define B43_RX_PHYST0_GAINCTL 0x4000 /* Gain Control */ +#define B43_RX_PHYST0_PLCPHCF 0x0200 +#define B43_RX_PHYST0_PLCPFV 0x0100 +#define B43_RX_PHYST0_SHORTPRMBL 0x0080 /* Received with Short Preamble */ #define B43_RX_PHYST0_LCRS 0x0040 -#define B43_RX_PHYST0_ANT 0x0020 /* Antenna */ -#define B43_RX_PHYST0_UNSRATE 0x0010 +#define B43_RX_PHYST0_ANT 0x0020 /* Antenna */ +#define B43_RX_PHYST0_UNSRATE 0x0010 #define B43_RX_PHYST0_CLIP 0x000C #define B43_RX_PHYST0_CLIP_SHIFT 2 -#define B43_RX_PHYST0_FTYPE 0x0003 /* Frame type */ -#define B43_RX_PHYST0_CCK 0x0000 /* Frame type: CCK */ -#define B43_RX_PHYST0_OFDM 0x0001 /* Frame type: OFDM */ -#define B43_RX_PHYST0_PRE_N 0x0002 /* Pre-standard N-PHY frame */ -#define B43_RX_PHYST0_STD_N 0x0003 /* Standard N-PHY frame */ +#define B43_RX_PHYST0_FTYPE 0x0003 /* Frame type */ +#define B43_RX_PHYST0_CCK 0x0000 /* Frame type: CCK */ +#define B43_RX_PHYST0_OFDM 0x0001 /* Frame type: OFDM */ +#define B43_RX_PHYST0_PRE_N 0x0002 /* Pre-standard N-PHY frame */ +#define B43_RX_PHYST0_STD_N 0x0003 /* Standard N-PHY frame */ /* PHY RX Status 2 */ -#define B43_RX_PHYST2_LNAG 0xC000 /* LNA Gain */ +#define B43_RX_PHYST2_LNAG 0xC000 /* LNA Gain */ #define B43_RX_PHYST2_LNAG_SHIFT 14 -#define B43_RX_PHYST2_PNAG 0x3C00 /* PNA Gain */ +#define B43_RX_PHYST2_PNAG 0x3C00 /* PNA Gain */ #define B43_RX_PHYST2_PNAG_SHIFT 10 -#define B43_RX_PHYST2_FOFF 0x03FF /* F offset */ +#define B43_RX_PHYST2_FOFF 0x03FF /* F offset */ /* PHY RX Status 3 */ -#define B43_RX_PHYST3_DIGG 0x1800 /* DIG Gain */ +#define B43_RX_PHYST3_DIGG 0x1800 /* DIG Gain */ #define B43_RX_PHYST3_DIGG_SHIFT 11 -#define B43_RX_PHYST3_TRSTATE 0x0400 /* TR state */ +#define B43_RX_PHYST3_TRSTATE 0x0400 /* TR state */ /* MAC RX Status */ -#define B43_RX_MAC_BEACONSENT 0x00008000 /* Beacon send flag */ -#define B43_RX_MAC_KEYIDX 0x000007E0 /* Key index */ -#define B43_RX_MAC_KEYIDX_SHIFT 5 -#define B43_RX_MAC_DECERR 0x00000010 /* Decrypt error */ -#define B43_RX_MAC_DEC 0x00000008 /* Decryption attempted */ -#define B43_RX_MAC_PADDING 0x00000004 /* Pad bytes present */ -#define B43_RX_MAC_RESP 0x00000002 /* Response frame transmitted */ -#define B43_RX_MAC_FCSERR 0x00000001 /* FCS error */ +#define B43_RX_MAC_RXST_VALID 0x01000000 /* PHY RXST valid */ +#define B43_RX_MAC_TKIP_MICERR 0x00100000 /* TKIP MIC error */ +#define B43_RX_MAC_TKIP_MICATT 0x00080000 /* TKIP MIC attempted */ +#define B43_RX_MAC_AGGTYPE 0x00060000 /* Aggregation type */ +#define B43_RX_MAC_AGGTYPE_SHIFT 17 +#define B43_RX_MAC_AMSDU 0x00010000 /* A-MSDU mask */ +#define B43_RX_MAC_BEACONSENT 0x00008000 /* Beacon sent flag */ +#define B43_RX_MAC_KEYIDX 0x000007E0 /* Key index */ +#define B43_RX_MAC_KEYIDX_SHIFT 5 +#define B43_RX_MAC_DECERR 0x00000010 /* Decrypt error */ +#define B43_RX_MAC_DEC 0x00000008 /* Decryption attempted */ +#define B43_RX_MAC_PADDING 0x00000004 /* Pad bytes present */ +#define B43_RX_MAC_RESP 0x00000002 /* Response frame transmitted */ +#define B43_RX_MAC_FCSERR 0x00000001 /* FCS error */ /* RX channel */ -#define B43_RX_CHAN_GAIN 0xFC00 /* Gain */ -#define B43_RX_CHAN_GAIN_SHIFT 10 -#define B43_RX_CHAN_ID 0x03FC /* Channel ID */ -#define B43_RX_CHAN_ID_SHIFT 2 -#define B43_RX_CHAN_PHYTYPE 0x0003 /* PHY type */ +#define B43_RX_CHAN_40MHZ 0x1000 /* 40 Mhz channel width */ +#define B43_RX_CHAN_5GHZ 0x0800 /* 5 Ghz band */ +#define B43_RX_CHAN_ID 0x07F8 /* Channel ID */ +#define B43_RX_CHAN_ID_SHIFT 3 +#define B43_RX_CHAN_PHYTYPE 0x0007 /* PHY type */ + u8 b43_plcp_get_ratecode_cck(const u8 bitrate); u8 b43_plcp_get_ratecode_ofdm(const u8 bitrate); -- John W. 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