56  *    ['/'<1st-channel-segment>'-'<2nd-channel-segment>]]
59  *      (optional) 2, 4, 5, 6 for 2.4GHz, 4GHz, 5GHz, and 6GHz respectively.
68  *      'u' or 'l' (only for 2.4GHz band 40MHz)
70  *       For 2.4GHz band 40MHz channels, the same primary channel may be the
75  *       For 40MHz in the 5GHz or 6GHz band and all channel bandwidths greater than
79  * <1st-channel-segment>
86  * of 2.4GHz if channel number <= 14, and 5GHz otherwise.
92  *	primary channel of 40MHz, channel <= 14 is 2GHz, otherwise 5GHz
96  * 5 GHz Examples:
110  * 2 GHz Examples:
139 /* 40MHz channels in 2.4GHz band */
145 /* 40MHz channels in 5GHz band */
151 /* 80MHz channels in 5GHz band */
157 /* 160MHz channels in 5GHz band */
163 /** 80MHz channels in 6GHz band */
166 /** 160MHz channels in 6GHz band */
169 /** 240MHz channels in 6GHz band */
172 /** 320MHz channels in 6GHz band */
252  * return -1 on error
265 		return -1;  in channel_to_sb()
271 	if ((bw == WL_CHANSPEC_BW_20 && sb >= 1) ||  in channel_to_sb()
278 		return -1;  in channel_to_sb()
292  * return -1 on error
303 	return -1;  in channel_80mhz_to_id()
307  * return -1 on error
312 	/* The 6GHz center channels start at 7, and have a spacing of 16 */  in channel_6g_80mhz_to_id()
319 	return -1;  in channel_6g_80mhz_to_id()
323  * return -1 on error
335 	return -1;  in channel_5g_160mhz_to_id()
339  * return -1 on error
344 	/* The 6GHz center channels start at 15, and have a spacing of 32 */  in channel_6g_160mhz_to_id()
351 	return -1;  in channel_6g_160mhz_to_id()
355  * return -1 on error
360 	/* The 6GHz center channels start at 23, and have a spacing of 48 */  in channel_6g_240mhz_to_id()
367 	return -1;  in channel_6g_240mhz_to_id()
371  * return -1 on error
376 	/* The 6GHz center channels start at 31, and have a spacing of 64 */  in channel_6g_320mhz_to_id()
383 	return -1;  in channel_6g_320mhz_to_id()
387  * This function returns the the 6GHz 240MHz center channel for the given chanspec 240MHz ID
400 		/* The 6GHz center channels have a spacing of 48  in wf_chspec_6G_id240_to_ch()
423  * This function returns the the 6GHz 320MHz center channel for the given chanspec 320MHz ID
436 		/* The 6GHz center channels have a spacing of 64  in wf_chspec_6G_id320_to_ch()
581 	return 1;  in read_uint()
861 	uint chspec_ch = -1;  in wf_chspec_valid()
936 	WF_ITER_RUN  = 1,
1370 		/* simple range check for 2GHz */  in wf_valid_20MHz_chan()
1411 		/* Use the simple pattern of 6GHz 20MHz channels for validity check */  in wf_valid_20MHz_chan()
1435 		/* simple range check for 2GHz */  in wf_valid_40MHz_center_chan()
1441 		/* use the 5GHz lookup of 40MHz channels */  in wf_valid_40MHz_center_chan()
1449 		/* Use the simple pattern of 6GHz center channels */  in wf_valid_40MHz_center_chan()
1500 		/* use the 5GHz lookup of 40MHz channels */  in wf_valid_160MHz_center_chan()
1507 		/* Use the simple pattern of 6GHz center channels */  in wf_valid_160MHz_center_chan()
1530 		/* Use the simple pattern of 6GHz center channels */  in wf_valid_240MHz_center_chan()
1553 		/* Use the simple pattern of 6GHz center channels */  in wf_valid_320MHz_center_chan()
1633 	 * Will return -1 if not a valid pair for 40MHz  in wf_create_40MHz_chspec()
1700 	 * Will return -1 if not a valid pair for 80MHz  in wf_create_80MHz_chspec()
1735 	 * Will return -1 if not a valid pair for 160MHz  in wf_create_160MHz_chspec()
1774 	int chan0_id = -1, chan1_id = -1;  in wf_create_8080MHz_chspec()
1793 	if (chan0_id == -1 || chan1_id == -1) {  in wf_create_8080MHz_chspec()
1797 	/* does the primary channel fit with the 1st 80MHz channel ? */  in wf_create_8080MHz_chspec()
1800 		/* yes, so chan0 is frequency segment 0, and chan1 is seg 1 */  in wf_create_8080MHz_chspec()
1810 		/* swapped, so chan1 is frequency segment 0, and chan0 is seg 1 */  in wf_create_8080MHz_chspec()
1847 	int chan0_id = -1, chan1_id = -1;  in wf_create_160160MHz_chspec()
1866 	if (chan0_id == -1 || chan1_id == -1) {  in wf_create_160160MHz_chspec()
1870 	/* does the primary channel fit with the 1st 160MHz channel ? */  in wf_create_160160MHz_chspec()
1873 		/* yes, so chan0 is frequency segment 0, and chan1 is seg 1 */  in wf_create_160160MHz_chspec()
1883 		/* swapped, so chan1 is frequency segment 0, and chan0 is seg 1 */  in wf_create_160160MHz_chspec()
1914 	int chan_id = -1;  in wf_create_240MHz_chspec()
1921 	if (chan_id == -1) {  in wf_create_240MHz_chspec()
1926 	 * Will return -1 if not a valid pair for 240MHz  in wf_create_240MHz_chspec()
1965 	int chan_id = -1;  in wf_create_320MHz_chspec()
1972 	if (chan_id == -1) {  in wf_create_320MHz_chspec()
1977 	 * Will return -1 if not a valid pair for 320MHz  in wf_create_320MHz_chspec()
2018 	int sb = -1;  in wf_create_chspec()
2083  * For the 2GHz band, 40MHz channels overlap, so two 40MHz channels may
2085  * whenever called with a bandwidth of 40MHz or wider for the 2GHz band.
2087  * 5GHz and 6GHz bands have non-overlapping 40/80/160 MHz channels, so a
2101 		/* For 5GHz, use the lookup tables for valid 40/80/160 center channels  in wf_create_chspec_from_primary()
2132 		/* For 6GHz, use a formula to calculate the valid 40/80/160 center channel from  in wf_create_chspec_from_primary()
2157 			mask = ~(ch_per_block - 1);  in wf_create_chspec_from_primary()
2158 			base = 1 + ((primary_channel - 1) & mask);  in wf_create_chspec_from_primary()
2281 	int sb = -1;  in wf_channel2chspec()
2382  * @return  Returns a channel number > 0, or -1 on error
2388  * defined for 2.4 GHz, 5 GHz, and 6 GHz bands.
2392  *              freq (GHz)  -> assumed base freq (GHz)
2400  * The returned channel will be in the range [1, 14] in the 2.4 GHz band,
2401  * [1, 253] for 6 GHz band, or [1, 200] otherwise.
2404  * frequency is not a 2.4 GHz channel. For any other start factor the frequency
2409  * 1 GHz from the base freqency (channel 200).
2416 	int ch = -1;  in wf_mhz2channel()
2434 		/* channel #2 is an oddball, 10MHz below chan #1 */  in wf_mhz2channel()
2438 		return -1;  in wf_mhz2channel()
2444 		return -1;  in wf_mhz2channel()
2452 		return -1;  in wf_mhz2channel()
2460 			ch = -1;  in wf_mhz2channel()
2464 		/* 6G has a higher channel range than 5G channelization specifies [1,200] */  in wf_mhz2channel()
2466 			ch = -1;  in wf_mhz2channel()
2469 			ch = -1;  in wf_mhz2channel()
2480  * The valid channel range is [1, 14] in the 2.4 GHz band, [1,253] in the 6 GHz
2481  * band, and [1, 200] otherwise.
2484  * defined for 2.4 GHz, 5 GHz, and 6 GHz bands.
2485  * The channel range of [1, 14] is only checked for a start_factor of
2489  * -1 is returned for an out of range channel.
2494  * @param	start_factor  base frequency in 500 kHz units, e.g. 10000 for 5 GHz
2507 	if ((start_factor == WF_CHAN_FACTOR_2_4_G && (ch < 1 || ch > 14)) ||  in wf_channel2mhz()
2508 	    (start_factor == WF_CHAN_FACTOR_6_G && (ch < 1 || ch > 253)) ||  in wf_channel2mhz()
2509 	    (start_factor != WF_CHAN_FACTOR_6_G && (ch < 1 || ch > 200))) {  in wf_channel2mhz()
2510 		freq = -1;  in wf_channel2mhz()
2593 	if (chan0_id == -1 || chan1_id == -1)  in wf_chspec_get8080_chspec()
2596 	/* does the primary channel fit with the 1st 80MHz channel ? */  in wf_chspec_get8080_chspec()
2599 		/* yes, so chan0 is frequency segment 0, and chan1 is seg 1 */  in wf_chspec_get8080_chspec()
2609 		/* swapped, so chan1 is frequency segment 0, and chan0 is seg 1 */  in wf_chspec_get8080_chspec()
2741  * For 160MHz or 80P80 chanspec, set ch[0]/ch[1] to be the low/high 80 Mhz channels
2743  * For 20/40/80MHz chanspec, set ch[0] to be the center freq, and chan[1]=-1
2752 		ch[1] = center_chan + CH_40MHZ_APART;  in wf_chspec_get_80p80_channels()
2757 		ch[1] = -1;  in wf_chspec_get_80p80_channels()
2869 	(pext)[1] = (IS_CTL_IN_L20(t) ? pri_ch + CH_20MHZ_APART : pri_ch - CH_20MHZ_APART);  in wf_get_all_ext()
2982 	if ((chan0_id == -1) || (chan1_id == -1)) {  in wf_create_160160MHz_chspec_sb()