dirty fix to merging

1 files changed, 1068 insertions, 0 deletions

diff --git a/drivers/net/wireless/bcmdhd.1.88.45.x.cn/bcmwifi_channels.c b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/bcmwifi_channels.c
new file mode 100755
index 00000000..3c5eb6a8
--- /dev/null
+++ b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/bcmwifi_channels.c
@@ -0,0 +1,1068 @@
+/*
+ * Misc utility routines used by kernel or app-level.
+ * Contents are wifi-specific, used by any kernel or app-level
+ * software that might want wifi things as it grows.
+ *
+ * $Copyright Open Broadcom Corporation$
+ * $Id: bcmwifi_channels.c 309193 2012-01-19 00:03:57Z $
+ */
+
+#include <bcm_cfg.h>
+#include <typedefs.h>
+#include <bcmutils.h>
+
+#ifdef BCMDRIVER
+#include <osl.h>
+#define strtoul(nptr, endptr, base) bcm_strtoul((nptr), (endptr), (base))
+#define tolower(c) (bcm_isupper((c)) ? ((c) + 'a' - 'A') : (c))
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#ifndef ASSERT
+#define ASSERT(exp)
+#endif
+#endif 
+
+#ifdef _bcmwifi_c_
+
+#include <bcmwifi.h>
+#else
+#include <bcmwifi_channels.h>
+#endif
+
+#if defined(WIN32) && (defined(BCMDLL) || defined(WLMDLL))
+#include <bcmstdlib.h> 	
+#endif
+
+#ifndef D11AC_IOTYPES
+
+
+
+
+
+
+
+char *
+wf_chspec_ntoa(chanspec_t chspec, char *buf)
+{
+	const char *band, *bw, *sb;
+	uint channel;
+
+	band = "";
+	bw = "";
+	sb = "";
+	channel = CHSPEC_CHANNEL(chspec);
+	
+	if ((CHSPEC_IS2G(chspec) && channel > CH_MAX_2G_CHANNEL) ||
+	    (CHSPEC_IS5G(chspec) && channel <= CH_MAX_2G_CHANNEL))
+		band = (CHSPEC_IS2G(chspec)) ? "b" : "a";
+	if (CHSPEC_IS40(chspec)) {
+		if (CHSPEC_SB_UPPER(chspec)) {
+			sb = "u";
+			channel += CH_10MHZ_APART;
+		} else {
+			sb = "l";
+			channel -= CH_10MHZ_APART;
+		}
+	} else if (CHSPEC_IS10(chspec)) {
+		bw = "n";
+	}
+
+	
+	snprintf(buf, 6, "%d%s%s%s", channel, band, bw, sb);
+	return (buf);
+}
+
+
+chanspec_t
+wf_chspec_aton(const char *a)
+{
+	char *endp = NULL;
+	uint channel, band, bw, ctl_sb;
+	char c;
+
+	channel = strtoul(a, &endp, 10);
+
+	
+	if (endp == a)
+		return 0;
+
+	if (channel > MAXCHANNEL)
+		return 0;
+
+	band = ((channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G);
+	bw = WL_CHANSPEC_BW_20;
+	ctl_sb = WL_CHANSPEC_CTL_SB_NONE;
+
+	a = endp;
+
+	c = tolower(a[0]);
+	if (c == '\0')
+		goto done;
+
+	
+	if (c == 'a' || c == 'b') {
+		band = (c == 'a') ? WL_CHANSPEC_BAND_5G : WL_CHANSPEC_BAND_2G;
+		a++;
+		c = tolower(a[0]);
+		if (c == '\0')
+			goto done;
+	}
+
+	
+	if (c == 'n') {
+		bw = WL_CHANSPEC_BW_10;
+	} else if (c == 'l') {
+		bw = WL_CHANSPEC_BW_40;
+		ctl_sb = WL_CHANSPEC_CTL_SB_LOWER;
+		
+		if (channel <= (MAXCHANNEL - CH_20MHZ_APART))
+			channel += CH_10MHZ_APART;
+		else
+			return 0;
+	} else if (c == 'u') {
+		bw = WL_CHANSPEC_BW_40;
+		ctl_sb = WL_CHANSPEC_CTL_SB_UPPER;
+		
+		if (channel > CH_20MHZ_APART)
+			channel -= CH_10MHZ_APART;
+		else
+			return 0;
+	} else {
+		return 0;
+	}
+
+done:
+	return (channel | band | bw | ctl_sb);
+}
+
+
+bool
+wf_chspec_malformed(chanspec_t chanspec)
+{
+	
+	if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec))
+		return TRUE;
+	
+	if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec))
+		return TRUE;
+
+	
+	if (CHSPEC_IS20(chanspec)) {
+		if (!CHSPEC_SB_NONE(chanspec))
+			return TRUE;
+	} else {
+		if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec))
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+uint8
+wf_chspec_ctlchan(chanspec_t chspec)
+{
+	uint8 ctl_chan;
+
+	
+	if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_NONE) {
+		return CHSPEC_CHANNEL(chspec);
+	} else {
+		
+		ASSERT(CHSPEC_BW(chspec) == WL_CHANSPEC_BW_40);
+		
+		if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_UPPER) {
+			
+			ctl_chan = UPPER_20_SB(CHSPEC_CHANNEL(chspec));
+		} else {
+			ASSERT(CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_LOWER);
+			
+			ctl_chan = LOWER_20_SB(CHSPEC_CHANNEL(chspec));
+		}
+	}
+
+	return ctl_chan;
+}
+
+chanspec_t
+wf_chspec_ctlchspec(chanspec_t chspec)
+{
+	chanspec_t ctl_chspec = 0;
+	uint8 channel;
+
+	ASSERT(!wf_chspec_malformed(chspec));
+
+	
+	if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_NONE) {
+		return chspec;
+	} else {
+		if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_UPPER) {
+			channel = UPPER_20_SB(CHSPEC_CHANNEL(chspec));
+		} else {
+			channel = LOWER_20_SB(CHSPEC_CHANNEL(chspec));
+		}
+		ctl_chspec = channel | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE;
+		ctl_chspec |= CHSPEC_BAND(chspec);
+	}
+	return ctl_chspec;
+}
+
+#else 
+
+
+
+
+
+
+static const char *wf_chspec_bw_str[] =
+{
+	"5",
+	"10",
+	"20",
+	"40",
+	"80",
+	"160",
+	"80+80",
+	"na"
+};
+
+static const uint8 wf_chspec_bw_mhz[] =
+{5, 10, 20, 40, 80, 160, 160};
+
+#define WF_NUM_BW \
+	(sizeof(wf_chspec_bw_mhz)/sizeof(uint8))
+
+
+static const uint8 wf_5g_40m_chans[] =
+{38, 46, 54, 62, 102, 110, 118, 126, 134, 142, 151, 159};
+#define WF_NUM_5G_40M_CHANS \
+	(sizeof(wf_5g_40m_chans)/sizeof(uint8))
+
+
+static const uint8 wf_5g_80m_chans[] =
+{42, 58, 106, 122, 138, 155};
+#define WF_NUM_5G_80M_CHANS \
+	(sizeof(wf_5g_80m_chans)/sizeof(uint8))
+
+
+static const uint8 wf_5g_160m_chans[] =
+{50, 114};
+#define WF_NUM_5G_160M_CHANS \
+	(sizeof(wf_5g_160m_chans)/sizeof(uint8))
+
+
+
+static uint
+bw_chspec_to_mhz(chanspec_t chspec)
+{
+	uint bw;
+
+	bw = (chspec & WL_CHANSPEC_BW_MASK) >> WL_CHANSPEC_BW_SHIFT;
+	return (bw >= WF_NUM_BW ? 0 : wf_chspec_bw_mhz[bw]);
+}
+
+
+static uint8
+center_chan_to_edge(uint bw)
+{
+	
+	return (uint8)(((bw - 20) / 2) / 5);
+}
+
+
+static uint8
+channel_low_edge(uint center_ch, uint bw)
+{
+	return (uint8)(center_ch - center_chan_to_edge(bw));
+}
+
+
+static int
+channel_to_sb(uint center_ch, uint ctl_ch, uint bw)
+{
+	uint lowest = channel_low_edge(center_ch, bw);
+	uint sb;
+
+	if ((ctl_ch - lowest) % 4) {
+		
+		return -1;
+	}
+
+	sb = ((ctl_ch - lowest) / 4);
+
+	
+	if (sb >= (bw / 20)) {
+		
+		return -1;
+	}
+
+	return sb;
+}
+
+
+static uint8
+channel_to_ctl_chan(uint center_ch, uint bw, uint sb)
+{
+	return (uint8)(channel_low_edge(center_ch, bw) + sb * 4);
+}
+
+
+static int
+channel_80mhz_to_id(uint ch)
+{
+	uint i;
+	for (i = 0; i < WF_NUM_5G_80M_CHANS; i ++) {
+		if (ch == wf_5g_80m_chans[i])
+			return i;
+	}
+
+	return -1;
+}
+
+
+char *
+wf_chspec_ntoa(chanspec_t chspec, char *buf)
+{
+	const char *band;
+	uint ctl_chan;
+
+	if (wf_chspec_malformed(chspec))
+		return NULL;
+
+	band = "";
+
+	
+	if ((CHSPEC_IS2G(chspec) && CHSPEC_CHANNEL(chspec) > CH_MAX_2G_CHANNEL) ||
+	    (CHSPEC_IS5G(chspec) && CHSPEC_CHANNEL(chspec) <= CH_MAX_2G_CHANNEL))
+		band = (CHSPEC_IS2G(chspec)) ? "2g" : "5g";
+
+	
+	ctl_chan = wf_chspec_ctlchan(chspec);
+
+	
+	if (CHSPEC_IS20(chspec)) {
+		snprintf(buf, CHANSPEC_STR_LEN, "%s%d", band, ctl_chan);
+	} else if (!CHSPEC_IS8080(chspec)) {
+		const char *bw;
+		const char *sb = "";
+
+		bw = wf_chspec_bw_str[(chspec & WL_CHANSPEC_BW_MASK) >> WL_CHANSPEC_BW_SHIFT];
+
+#ifdef CHANSPEC_NEW_40MHZ_FORMAT
+		
+		if (CHSPEC_IS40(chspec) && CHSPEC_IS2G(chspec)) {
+			sb = CHSPEC_SB_UPPER(chspec) ? "u" : "l";
+		}
+
+		snprintf(buf, CHANSPEC_STR_LEN, "%s%d/%s%s", band, ctl_chan, bw, sb);
+#else
+		
+		if (CHSPEC_IS40(chspec)) {
+			sb = CHSPEC_SB_UPPER(chspec) ? "u" : "l";
+			snprintf(buf, CHANSPEC_STR_LEN, "%s%d%s", band, ctl_chan, sb);
+		} else {
+			snprintf(buf, CHANSPEC_STR_LEN, "%s%d/%s", band, ctl_chan, bw);
+		}
+#endif 
+
+	} else {
+		
+		uint chan1 = (chspec & WL_CHANSPEC_CHAN1_MASK) >> WL_CHANSPEC_CHAN1_SHIFT;
+		uint chan2 = (chspec & WL_CHANSPEC_CHAN2_MASK) >> WL_CHANSPEC_CHAN2_SHIFT;
+
+		
+		chan1 = (chan1 < WF_NUM_5G_80M_CHANS) ? wf_5g_80m_chans[chan1] : 0;
+		chan2 = (chan2 < WF_NUM_5G_80M_CHANS) ? wf_5g_80m_chans[chan2] : 0;
+
+		
+		snprintf(buf, CHANSPEC_STR_LEN, "%d/80+80/%d-%d", ctl_chan, chan1, chan2);
+	}
+
+	return (buf);
+}
+
+static int
+read_uint(const char **p, unsigned int *num)
+{
+	unsigned long val;
+	char *endp = NULL;
+
+	val = strtoul(*p, &endp, 10);
+	
+	if (endp == *p)
+		return 0;
+
+	
+	*p = endp;
+	
+	*num = (unsigned int)val;
+
+	return 1;
+}
+
+
+chanspec_t
+wf_chspec_aton(const char *a)
+{
+	chanspec_t chspec;
+	uint chspec_ch, chspec_band, bw, chspec_bw, chspec_sb;
+	uint num, ctl_ch;
+	uint ch1, ch2;
+	char c, sb_ul = '\0';
+	int i;
+
+	bw = 20;
+	chspec_sb = 0;
+	chspec_ch = ch1 = ch2 = 0;
+
+	
+	if (!read_uint(&a, &num))
+		return 0;
+
+	
+	c = tolower((int)a[0]);
+	if (c == 'g') {
+		a ++; 
+
+		
+		if (num == 2)
+			chspec_band = WL_CHANSPEC_BAND_2G;
+		else if (num == 5)
+			chspec_band = WL_CHANSPEC_BAND_5G;
+		else
+			return 0;
+
+		
+		if (!read_uint(&a, &ctl_ch))
+			return 0;
+
+		c = tolower((int)a[0]);
+	}
+	else {
+		
+		ctl_ch = num;
+		chspec_band = ((ctl_ch <= CH_MAX_2G_CHANNEL) ?
+		               WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G);
+	}
+
+	if (c == '\0') {
+		
+		chspec_bw = WL_CHANSPEC_BW_20;
+		goto done_read;
+	}
+
+	a ++; 
+
+	
+	if (c == 'u' || c == 'l') {
+		sb_ul = c;
+		chspec_bw = WL_CHANSPEC_BW_40;
+		goto done_read;
+	}
+
+	
+	if (c != '/')
+		return 0;
+
+	
+	if (!read_uint(&a, &bw))
+		return 0;
+
+	
+	if (bw == 20) {
+		chspec_bw = WL_CHANSPEC_BW_20;
+	} else if (bw == 40) {
+		chspec_bw = WL_CHANSPEC_BW_40;
+	} else if (bw == 80) {
+		chspec_bw = WL_CHANSPEC_BW_80;
+	} else if (bw == 160) {
+		chspec_bw = WL_CHANSPEC_BW_160;
+	} else {
+		return 0;
+	}
+
+	
+
+	c = tolower((int)a[0]);
+
+	
+	if (chspec_band == WL_CHANSPEC_BAND_2G && bw == 40) {
+		if (c == 'u' || c == 'l') {
+			a ++; 
+			sb_ul = c;
+			goto done_read;
+		}
+	}
+
+	
+	if (c == '+') {
+		
+		static const char *plus80 = "80/";
+
+		
+		chspec_bw = WL_CHANSPEC_BW_8080;
+
+		a ++; 
+
+		
+		for (i = 0; i < 3; i++) {
+			if (*a++ != *plus80++) {
+				return 0;
+			}
+		}
+
+		
+		if (!read_uint(&a, &ch1))
+			return 0;
+
+		
+		if (a[0] != '-')
+			return 0;
+		a ++; 
+
+		
+		if (!read_uint(&a, &ch2))
+			return 0;
+	}
+
+done_read:
+	
+	while (a[0] == ' ') {
+		a ++;
+	}
+
+	
+	if (a[0] != '\0')
+		return 0;
+
+	
+
+	
+	if (sb_ul != '\0') {
+		if (sb_ul == 'l') {
+			chspec_ch = UPPER_20_SB(ctl_ch);
+			chspec_sb = WL_CHANSPEC_CTL_SB_LLL;
+		} else if (sb_ul == 'u') {
+			chspec_ch = LOWER_20_SB(ctl_ch);
+			chspec_sb = WL_CHANSPEC_CTL_SB_LLU;
+		}
+	}
+	
+	else if (chspec_bw == WL_CHANSPEC_BW_20) {
+		chspec_ch = ctl_ch;
+		chspec_sb = 0;
+	}
+	
+	else if (chspec_bw != WL_CHANSPEC_BW_8080) {
+		
+		const uint8 *center_ch = NULL;
+		int num_ch = 0;
+		int sb = -1;
+
+		if (chspec_bw == WL_CHANSPEC_BW_40) {
+			center_ch = wf_5g_40m_chans;
+			num_ch = WF_NUM_5G_40M_CHANS;
+		} else if (chspec_bw == WL_CHANSPEC_BW_80) {
+			center_ch = wf_5g_80m_chans;
+			num_ch = WF_NUM_5G_80M_CHANS;
+		} else if (chspec_bw == WL_CHANSPEC_BW_160) {
+			center_ch = wf_5g_160m_chans;
+			num_ch = WF_NUM_5G_160M_CHANS;
+		} else {
+			return 0;
+		}
+
+		for (i = 0; i < num_ch; i ++) {
+			sb = channel_to_sb(center_ch[i], ctl_ch, bw);
+			if (sb >= 0) {
+				chspec_ch = center_ch[i];
+				chspec_sb = sb << WL_CHANSPEC_CTL_SB_SHIFT;
+				break;
+			}
+		}
+
+		
+		if (sb < 0) {
+			return 0;
+		}
+	}
+	
+	else {
+		int ch1_id = 0, ch2_id = 0;
+		int sb;
+
+		ch1_id = channel_80mhz_to_id(ch1);
+		ch2_id = channel_80mhz_to_id(ch2);
+
+		
+		if (ch1 >= ch2 || ch1_id < 0 || ch2_id < 0)
+			return 0;
+
+		
+		chspec_ch = (((uint16)ch1_id << WL_CHANSPEC_CHAN1_SHIFT) |
+			((uint16)ch2_id << WL_CHANSPEC_CHAN2_SHIFT));
+
+		
+
+		
+		sb = channel_to_sb(ch1, ctl_ch, bw);
+		if (sb < 0) {
+			
+			sb = channel_to_sb(ch2, ctl_ch, bw);
+			if (sb < 0) {
+				
+				return 0;
+			}
+			
+			sb += 4;
+		}
+
+		chspec_sb = sb << WL_CHANSPEC_CTL_SB_SHIFT;
+	}
+
+	chspec = (chspec_ch | chspec_band | chspec_bw | chspec_sb);
+
+	if (wf_chspec_malformed(chspec))
+		return 0;
+
+	return chspec;
+}
+
+
+bool
+wf_chspec_malformed(chanspec_t chanspec)
+{
+	uint chspec_bw = CHSPEC_BW(chanspec);
+	uint chspec_ch = CHSPEC_CHANNEL(chanspec);
+
+	
+	if (CHSPEC_IS2G(chanspec)) {
+		
+		if (chspec_bw != WL_CHANSPEC_BW_20 &&
+		    chspec_bw != WL_CHANSPEC_BW_40) {
+			return TRUE;
+		}
+	} else if (CHSPEC_IS5G(chanspec)) {
+		if (chspec_bw == WL_CHANSPEC_BW_8080) {
+			uint ch1_id, ch2_id;
+
+			
+			ch1_id = CHSPEC_CHAN1(chanspec);
+			ch2_id = CHSPEC_CHAN2(chanspec);
+			if (ch1_id >= WF_NUM_5G_80M_CHANS || ch2_id >= WF_NUM_5G_80M_CHANS)
+				return TRUE;
+
+			
+			if (ch2_id <= ch1_id)
+				return TRUE;
+		} else if (chspec_bw == WL_CHANSPEC_BW_20 || chspec_bw == WL_CHANSPEC_BW_40 ||
+		           chspec_bw == WL_CHANSPEC_BW_80 || chspec_bw == WL_CHANSPEC_BW_160) {
+
+			if (chspec_ch > MAXCHANNEL) {
+				return TRUE;
+			}
+		} else {
+			
+			return TRUE;
+		}
+	} else {
+		
+		return TRUE;
+	}
+
+	
+	if (chspec_bw == WL_CHANSPEC_BW_20) {
+		if (CHSPEC_CTL_SB(chanspec) != WL_CHANSPEC_CTL_SB_LLL)
+			return TRUE;
+	} else if (chspec_bw == WL_CHANSPEC_BW_40) {
+		if (CHSPEC_CTL_SB(chanspec) > WL_CHANSPEC_CTL_SB_LLU)
+			return TRUE;
+	} else if (chspec_bw == WL_CHANSPEC_BW_80) {
+		if (CHSPEC_CTL_SB(chanspec) > WL_CHANSPEC_CTL_SB_LUU)
+			return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+bool
+wf_chspec_valid(chanspec_t chanspec)
+{
+	uint chspec_bw = CHSPEC_BW(chanspec);
+	uint chspec_ch = CHSPEC_CHANNEL(chanspec);
+
+	if (wf_chspec_malformed(chanspec))
+		return FALSE;
+
+	if (CHSPEC_IS2G(chanspec)) {
+		
+		if (chspec_bw == WL_CHANSPEC_BW_20) {
+			if (chspec_ch >= 1 && chspec_ch <= 14)
+				return TRUE;
+		} else if (chspec_bw == WL_CHANSPEC_BW_40) {
+			if (chspec_ch >= 3 && chspec_ch <= 11)
+				return TRUE;
+		}
+	} else if (CHSPEC_IS5G(chanspec)) {
+		if (chspec_bw == WL_CHANSPEC_BW_8080) {
+			uint16 ch1, ch2;
+
+			ch1 = wf_5g_80m_chans[CHSPEC_CHAN1(chanspec)];
+			ch2 = wf_5g_80m_chans[CHSPEC_CHAN2(chanspec)];
+
+			
+			if (ch2 > ch1 + CH_80MHZ_APART)
+				return TRUE;
+		} else {
+			const uint8 *center_ch;
+			uint num_ch, i;
+
+			if (chspec_bw == WL_CHANSPEC_BW_20 || chspec_bw == WL_CHANSPEC_BW_40) {
+				center_ch = wf_5g_40m_chans;
+				num_ch = WF_NUM_5G_40M_CHANS;
+			} else if (chspec_bw == WL_CHANSPEC_BW_80) {
+				center_ch = wf_5g_80m_chans;
+				num_ch = WF_NUM_5G_80M_CHANS;
+			} else if (chspec_bw == WL_CHANSPEC_BW_160) {
+				center_ch = wf_5g_160m_chans;
+				num_ch = WF_NUM_5G_160M_CHANS;
+			} else {
+				
+				return FALSE;
+			}
+
+			
+			if (chspec_bw == WL_CHANSPEC_BW_20) {
+				
+				for (i = 0; i < num_ch; i ++) {
+					if (chspec_ch == (uint)LOWER_20_SB(center_ch[i]) ||
+					    chspec_ch == (uint)UPPER_20_SB(center_ch[i]))
+						break; 
+				}
+
+				if (i == num_ch) {
+					
+					if (chspec_ch == 165)
+						i = 0;
+
+					
+					if (chspec_ch == 34 || chspec_ch == 38 ||
+					    chspec_ch == 42 || chspec_ch == 46)
+						i = 0;
+				}
+			} else {
+				
+				for (i = 0; i < num_ch; i ++) {
+					if (chspec_ch == center_ch[i])
+						break; 
+				}
+			}
+
+			if (i < num_ch) {
+				
+				return TRUE;
+			}
+		}
+	}
+
+	return FALSE;
+}
+
+
+uint8
+wf_chspec_ctlchan(chanspec_t chspec)
+{
+	uint center_chan;
+	uint bw_mhz;
+	uint sb;
+
+	ASSERT(!wf_chspec_malformed(chspec));
+
+	
+	if (CHSPEC_IS20(chspec)) {
+		return CHSPEC_CHANNEL(chspec);
+	} else {
+		sb = CHSPEC_CTL_SB(chspec) >> WL_CHANSPEC_CTL_SB_SHIFT;
+
+		if (CHSPEC_IS8080(chspec)) {
+			bw_mhz = 80;
+
+			if (sb < 4) {
+				center_chan = CHSPEC_CHAN1(chspec);
+			}
+			else {
+				center_chan = CHSPEC_CHAN2(chspec);
+				sb -= 4;
+			}
+
+			
+			center_chan = wf_5g_80m_chans[center_chan];
+		}
+		else {
+			bw_mhz = bw_chspec_to_mhz(chspec);
+			center_chan = CHSPEC_CHANNEL(chspec) >> WL_CHANSPEC_CHAN_SHIFT;
+		}
+
+		return (channel_to_ctl_chan(center_chan, bw_mhz, sb));
+	}
+}
+
+
+chanspec_t
+wf_chspec_ctlchspec(chanspec_t chspec)
+{
+	chanspec_t ctl_chspec = chspec;
+	uint8 ctl_chan;
+
+	ASSERT(!wf_chspec_malformed(chspec));
+
+	
+	if (!CHSPEC_IS20(chspec)) {
+		ctl_chan = wf_chspec_ctlchan(chspec);
+		ctl_chspec = ctl_chan | WL_CHANSPEC_BW_20;
+		ctl_chspec |= CHSPEC_BAND(chspec);
+	}
+	return ctl_chspec;
+}
+
+
+uint16
+wf_channel2chspec(uint ctl_ch, uint bw)
+{
+	uint16 chspec;
+	const uint8 *center_ch = NULL;
+	int num_ch = 0;
+	int sb = -1;
+	int i = 0;
+
+	chspec = ((ctl_ch <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G);
+
+	chspec |= bw;
+
+	if (bw == WL_CHANSPEC_BW_40) {
+		center_ch = wf_5g_40m_chans;
+		num_ch = WF_NUM_5G_40M_CHANS;
+		bw = 40;
+	} else if (bw == WL_CHANSPEC_BW_80) {
+		center_ch = wf_5g_80m_chans;
+		num_ch = WF_NUM_5G_80M_CHANS;
+		bw = 80;
+	} else if (bw == WL_CHANSPEC_BW_160) {
+		center_ch = wf_5g_160m_chans;
+		num_ch = WF_NUM_5G_160M_CHANS;
+		bw = 160;
+	} else if (bw == WL_CHANSPEC_BW_20) {
+		chspec |= ctl_ch;
+		return chspec;
+	} else {
+		return 0;
+	}
+
+	for (i = 0; i < num_ch; i ++) {
+		sb = channel_to_sb(center_ch[i], ctl_ch, bw);
+		if (sb >= 0) {
+			chspec |= center_ch[i];
+			chspec |= (sb << WL_CHANSPEC_CTL_SB_SHIFT);
+			break;
+		}
+	}
+
+	
+	if (sb < 0) {
+		return 0;
+	}
+
+	return chspec;
+}
+
+#endif 
+
+
+extern chanspec_t wf_chspec_primary40_chspec(chanspec_t chspec)
+{
+	chanspec_t chspec40 = chspec;
+	uint center_chan;
+	uint sb;
+
+	ASSERT(!wf_chspec_malformed(chspec));
+
+	if (CHSPEC_IS80(chspec)) {
+		center_chan = CHSPEC_CHANNEL(chspec);
+		sb = CHSPEC_CTL_SB(chspec);
+
+		if (sb == WL_CHANSPEC_CTL_SB_UL) {
+			
+			sb = WL_CHANSPEC_CTL_SB_L;
+			center_chan += CH_20MHZ_APART;
+		} else if (sb == WL_CHANSPEC_CTL_SB_UU) {
+			
+			sb = WL_CHANSPEC_CTL_SB_U;
+			center_chan += CH_20MHZ_APART;
+		} else {
+			
+			
+			center_chan -= CH_20MHZ_APART;
+		}
+
+		
+		chspec40 = (WL_CHANSPEC_BAND_5G | WL_CHANSPEC_BW_40 |
+		            sb | center_chan);
+	}
+
+	return chspec40;
+}
+
+
+int
+wf_mhz2channel(uint freq, uint start_factor)
+{
+	int ch = -1;
+	uint base;
+	int offset;
+
+	
+	if (start_factor == 0) {
+		if (freq >= 2400 && freq <= 2500)
+			start_factor = WF_CHAN_FACTOR_2_4_G;
+		else if (freq >= 5000 && freq <= 6000)
+			start_factor = WF_CHAN_FACTOR_5_G;
+	}
+
+	if (freq == 2484 && start_factor == WF_CHAN_FACTOR_2_4_G)
+		return 14;
+
+	base = start_factor / 2;
+
+	
+	if ((freq < base) || (freq > base + 1000))
+		return -1;
+
+	offset = freq - base;
+	ch = offset / 5;
+
+	
+	if (offset != (ch * 5))
+		return -1;
+
+	
+	if (start_factor == WF_CHAN_FACTOR_2_4_G && (ch < 1 || ch > 13))
+		return -1;
+
+	return ch;
+}
+
+
+int
+wf_channel2mhz(uint ch, uint start_factor)
+{
+	int freq;
+
+	if ((start_factor == WF_CHAN_FACTOR_2_4_G && (ch < 1 || ch > 14)) ||
+	    (ch > 200))
+		freq = -1;
+	else if ((start_factor == WF_CHAN_FACTOR_2_4_G) && (ch == 14))
+		freq = 2484;
+	else
+		freq = ch * 5 + start_factor / 2;
+
+	return freq;
+}
+
+
+static const struct chan_info {
+	uint16	chan;	
+	uint16	freq;	
+} chan_info[] = {
+	
+		{1,	2412},
+		{2,	2417},
+		{3,	2422},
+		{4,	2427},
+		{5,	2432},
+		{6,	2437},
+		{7,	2442},
+		{8,	2447},
+		{9,	2452},
+		{10,	2457},
+	{11,	2462},
+	{12,	2467},
+	{13,	2472},
+	{14,	2484},
+
+#ifdef BAND5G
+
+	{34,	5170},
+	{38,	5190},
+	{42,	5210},
+	{46,	5230},
+
+
+	{36,	5180},
+	{40,	5200},
+	{44,	5220},
+	{48,	5240},
+	{52,	5260},
+	{56,	5280},
+	{60,	5300},
+	{64,	5320},
+
+
+	{100,	5500},
+	{104,	5520},
+	{108,	5540},
+	{112,	5560},
+	{116,	5580},
+	{120,	5600},
+	{124,	5620},
+	{128,	5640},
+	{132,	5660},
+	{136,	5680},
+	{140,	5700},
+
+
+	{149,	5745},
+	{153,	5765},
+	{157,	5785},
+	{161,	5805},
+	{165,	5825},
+
+
+	{184,	4920},
+	{188,	4940},
+	{192,	4960},
+	{196,	4980},
+	{200,	5000},
+	{204,	5020},
+	{208,	5040},
+	{212,	5060},
+	{216,	5080}
+#endif 
+};
+
+
+uint
+wf_freq2channel(uint freq)
+{
+	uint i;
+
+	for (i = 0; i < ARRAYSIZE(chan_info); i++) {
+		if (chan_info[i].freq == freq)
+			return (chan_info[i].chan);
+	}
+	return (0);
+}
+
+
+uint
+wf_channel2freq(uint channel)
+{
+	uint i;
+
+	for (i = 0; i < ARRAYSIZE(chan_info); i++)
+		if (chan_info[i].chan == channel)
+			return (chan_info[i].freq);
+	return (0);
+}