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C++ CHSPEC_CHANNEL函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中CHSPEC_CHANNEL函数的典型用法代码示例。如果您正苦于以下问题:C++ CHSPEC_CHANNEL函数的具体用法?C++ CHSPEC_CHANNEL怎么用?C++ CHSPEC_CHANNEL使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了CHSPEC_CHANNEL函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: wf_chspec_ctlchan

/*
 * This function returns the channel number that control traffic is being sent on, for legacy
 * channels this is just the channel number, for 40MHZ channels it is the upper or lowre 20MHZ
 * sideband depending on the chanspec selected
 */
uint8
wf_chspec_ctlchan(chanspec_t chspec)
{
	uint8 ctl_chan;

	/* Is there a sideband ? */
	if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_NONE) {
		return CHSPEC_CHANNEL(chspec);
	} else {
		/* we only support 40MHZ with sidebands */
		ASSERT(CHSPEC_BW(chspec) == WL_CHANSPEC_BW_40);
		/* chanspec channel holds the centre frequency, use that and the
		 * side band information to reconstruct the control channel number
		 */
		if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_UPPER) {
			/* control chan is the upper 20 MHZ SB of the 40MHZ channel */
			ctl_chan = UPPER_20_SB(CHSPEC_CHANNEL(chspec));
		} else {
			ASSERT(CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_LOWER);
			/* control chan is the lower 20 MHZ SB of the 40MHZ channel */
			ctl_chan = LOWER_20_SB(CHSPEC_CHANNEL(chspec));
		}
	}

	return ctl_chan;
}
开发者ID:AntonX,项目名称:android_kernel_gb_sgs4g,代码行数:31,代码来源:bcmwifi.c


示例2: wf_chspec_ctlchan

uint8
wf_chspec_ctlchan(chanspec_t chspec)
{
	uint8 ctl_chan;

	DHD_MYTRACE(("%s-%s\n", __FILE__, __FUNCTION__));

	
	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;
}
开发者ID:devil1437,项目名称:Nexus4Wifi,代码行数:26,代码来源:bcmwifi.c


示例3: add_roam_cache

void add_roam_cache(wl_bss_info_t *bi)
{
	int i;
	uint8 channel;

#if defined(CUSTOMER_HW4) && defined(WES_SUPPORT)
	if (roamscan_mode == ROAMSCAN_MODE_WES)
		return;
#endif

	if (n_roam_cache >= MAX_ROAM_CACHE)
		return;

	for (i = 0; i < n_roam_cache; i++) {
		if ((roam_cache[i].ssid_len == bi->SSID_len) &&
			(roam_cache[i].chanspec == bi->chanspec) &&
			(memcmp(roam_cache[i].ssid, bi->SSID, bi->SSID_len) == 0)) {
			/* identical one found, just return */
			return;
		}
	}

	roam_cache[n_roam_cache].ssid_len = bi->SSID_len;
	channel = (bi->ctl_ch == 0) ? CHSPEC_CHANNEL(bi->chanspec) : bi->ctl_ch;
	WL_DBG(("CHSPEC 0x%X %d, CTL %d\n",
		bi->chanspec, CHSPEC_CHANNEL(bi->chanspec), bi->ctl_ch));
	roam_cache[n_roam_cache].chanspec =
		(channel <= CH_MAX_2G_CHANNEL ? band2G : band5G) | band_bw | channel;
	memcpy(roam_cache[n_roam_cache].ssid, bi->SSID, bi->SSID_len);

	n_roam_cache++;
}
开发者ID:saiyamd,项目名称:P900-kernel-source,代码行数:32,代码来源:wl_roam.c


示例4: brcms_c_quiet_chanspec

static bool
brcms_c_quiet_chanspec(struct brcms_cm_info *wlc_cm, u16 chspec)
{
	return (wlc_cm->wlc->pub->_n_enab & SUPPORT_11N) &&
		CHSPEC_IS40(chspec) ?
		(isset(wlc_cm->quiet_channels.vec,
		       lower_20_sb(CHSPEC_CHANNEL(chspec))) ||
		 isset(wlc_cm->quiet_channels.vec,
		       upper_20_sb(CHSPEC_CHANNEL(chspec)))) :
		isset(wlc_cm->quiet_channels.vec, CHSPEC_CHANNEL(chspec));
}
开发者ID:openube,项目名称:android_kernel_sony_c2305,代码行数:11,代码来源:channel.c


示例5: wlc_quiet_chanspec

bool wlc_quiet_chanspec(wlc_cm_info_t *wlc_cm, chanspec_t chspec)
{
	return N_ENAB(wlc_cm->wlc->pub) && CHSPEC_IS40(chspec) ?
		(isset
		 (wlc_cm->quiet_channels.vec,
		  LOWER_20_SB(CHSPEC_CHANNEL(chspec)))
		 || isset(wlc_cm->quiet_channels.vec,
			  UPPER_20_SB(CHSPEC_CHANNEL(chspec)))) : isset(wlc_cm->
									quiet_channels.
									vec,
									CHSPEC_CHANNEL
									(chspec));
}
开发者ID:ANFS,项目名称:ANFS-kernel,代码行数:13,代码来源:wlc_channel.c


示例6: spec_to_chan

static uint8
spec_to_chan(chanspec_t chspec)
{
	switch (CHSPEC_CTL_SB(chspec)) {
		case WL_CHANSPEC_CTL_SB_NONE:
			return CHSPEC_CHANNEL(chspec);
		case WL_CHANSPEC_CTL_SB_UPPER:
			return UPPER_20_SB(CHSPEC_CHANNEL(chspec));
		case WL_CHANSPEC_CTL_SB_LOWER:
			return LOWER_20_SB(CHSPEC_CHANNEL(chspec));
		default:
			return 0;
	}
}
开发者ID:AustinBleax,项目名称:Bali_SK4G,代码行数:14,代码来源:bcm_app_utils.c


示例7: add_roam_cache

void add_roam_cache(wl_bss_info_t *bi)
{
	int i;
	uint8 channel;

#if defined(CUSTOMER_HW4) && defined(WES_SUPPORT)
	if (roamscan_mode)
		return;
#endif

	if (n_roam_cache == MAX_ROAM_CACHE)
		return;

	for (i = 0; i < n_roam_cache; i++) {
		if ((roam_cache[i].ssid_len == bi->SSID_len) &&
			(roam_cache[i].chanspec == bi->chanspec) &&
			(memcmp(roam_cache[i].ssid, bi->SSID, bi->SSID_len) == 0)) {
			/* identical one found, just return */
			return;
		}
	}

	roam_cache[n_roam_cache].ssid_len = bi->SSID_len;
	channel = (bi->ctl_ch == 0) ? CHSPEC_CHANNEL(bi->chanspec) : bi->ctl_ch;
	roam_cache[n_roam_cache].chanspec =
		WL_CHANSPEC_BW_20 |
		(channel <= 14 ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G) |
		channel;
	memcpy(roam_cache[n_roam_cache].ssid, bi->SSID, bi->SSID_len);

	n_roam_cache++;
}
开发者ID:garwynn,项目名称:SC02E_LJF_Kernel,代码行数:32,代码来源:wl_roam.c


示例8: wf_chspec_ntoa

/* given a chanspec and a string buffer, format the chanspec as a
 * string, and return the original pointer a.
 * Min buffer length must be CHANSPEC_STR_LEN.
 * On error return NULL
 */
char *
wf_chspec_ntoa(chanspec_t chspec, char *buf)
{
	const char *band, *bw, *sb;
	uint channel;

	band = "";
	bw = "";
	sb = "";
	channel = CHSPEC_CHANNEL(chspec);
	/* check for non-default band spec */
	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";
	}

	/* Outputs a max of 6 chars including '\0'  */
	snprintf(buf, 6, "%d%s%s%s", channel, band, bw, sb);
	return (buf);
}
开发者ID:AntonX,项目名称:android_kernel_gb_sgs4g,代码行数:35,代码来源:bcmwifi.c


示例9: wf_chspec_ntoa

char *
wf_chspec_ntoa(chanspec_t chspec, char *buf)
{
	const char *band, *bw, *sb;
	uint channel;

	DHD_MYTRACE(("%s-%s\n", __FILE__, __FUNCTION__));

	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);
}
开发者ID:devil1437,项目名称:Nexus4Wifi,代码行数:32,代码来源:bcmwifi.c


示例10: spec_to_chan

static uint8
spec_to_chan(chanspec_t chspec)
{
	uint8 center_ch, edge, primary, sb;

	center_ch = CHSPEC_CHANNEL(chspec);

	if (CHSPEC_IS20(chspec)) {
		return center_ch;
	} else {
		/* the lower edge of the wide channel is half the bw from
		 * the center channel.
		 */
		if (CHSPEC_IS40(chspec)) {
			edge = center_ch - CH_20MHZ_APART;
		} else {
			/* must be 80MHz (until we support more) */
			ASSERT(CHSPEC_IS80(chspec));
			edge = center_ch - CH_40MHZ_APART;
		}

		/* find the channel number of the lowest 20MHz primary channel */
		primary = edge + CH_10MHZ_APART;

		/* select the actual subband */
		sb = (chspec & WL_CHANSPEC_CTL_SB_MASK) >> WL_CHANSPEC_CTL_SB_SHIFT;
		primary = primary + sb * CH_20MHZ_APART;

		return primary;
	}
}
开发者ID:Hosting-Scripts,项目名称:asuswrt-merlin,代码行数:31,代码来源:bcm_app_utils.c


示例11: wf_chspec_ntoa

/* given a chanspec and a string buffer, format the chanspec as a
 * string, and return the original pointer a.
 * Min buffer length must be CHANSPEC_STR_LEN.
 * On error return NULL
 */
char *
wf_chspec_ntoa(chanspec_t chspec, char *buf)
{
    const char *band;
    uint ctl_chan;

    if (wf_chspec_malformed(chspec))
        return NULL;

    band = "";

    /* check for non-default band spec */
    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 channel */
    ctl_chan = wf_chspec_ctlchan(chspec);

    /* bandwidth and ctl sideband */
    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
        /* ctl sideband string if needed for 2g 40MHz */
        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
        /* ctl sideband string instead of BW for 40MHz */
        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 /* CHANSPEC_NEW_40MHZ_FORMAT */

    } else {
开发者ID:nikatshun,项目名称:asuswrt-merlin,代码行数:51,代码来源:bcmwifi_channels.c


示例12: wf_chspec_ntoa

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 {
开发者ID:gentu,项目名称:android_kernel_zte_z5s,代码行数:46,代码来源:bcmwifi_channels.c


示例13: wf_chspec_ctlchspec

chanspec_t
wf_chspec_ctlchspec(chanspec_t chspec)
{
	chanspec_t ctl_chspec = 0;
	uint8 channel;

	ASSERT(!wf_chspec_malformed(chspec));

	/* Is there a sideband ? */
	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;
}
开发者ID:AntonX,项目名称:android_kernel_gb_sgs4g,代码行数:22,代码来源:bcmwifi.c


示例14: wf_chspec_ctlchspec

chanspec_t
wf_chspec_ctlchspec(chanspec_t chspec)
{
	DHD_MYTRACE(("%s-%s\n", __FILE__, __FUNCTION__));

	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;
}
开发者ID:devil1437,项目名称:Nexus4Wifi,代码行数:24,代码来源:bcmwifi.c


示例15: wf_chspec_ctlchan

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;
}
开发者ID:gentu,项目名称:android_kernel_zte_z5s,代码行数:24,代码来源:bcmwifi_channels.c


示例16: brcms_c_stf_ss_algo_channel_get

void
brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc, u16 *ss_algo_channel,
			    u16 chanspec)
{
	struct tx_power power;
	u8 siso_mcs_id, cdd_mcs_id, stbc_mcs_id;

	/* Clear previous settings */
	*ss_algo_channel = 0;

	if (!wlc->pub->up) {
		*ss_algo_channel = (u16) -1;
		return;
	}

	wlc_phy_txpower_get_current(wlc->band->pi, &power,
				    CHSPEC_CHANNEL(chanspec));

	siso_mcs_id = (CHSPEC_IS40(chanspec)) ?
	    WL_TX_POWER_MCS40_SISO_FIRST : WL_TX_POWER_MCS20_SISO_FIRST;
	cdd_mcs_id = (CHSPEC_IS40(chanspec)) ?
	    WL_TX_POWER_MCS40_CDD_FIRST : WL_TX_POWER_MCS20_CDD_FIRST;
	stbc_mcs_id = (CHSPEC_IS40(chanspec)) ?
	    WL_TX_POWER_MCS40_STBC_FIRST : WL_TX_POWER_MCS20_STBC_FIRST;

	/* criteria to choose stf mode */

	/*
	 * the "+3dbm (12 0.25db units)" is to account for the fact that with
	 * CDD, tx occurs on both chains
	 */
	if (power.target[siso_mcs_id] > (power.target[cdd_mcs_id] + 12))
		setbit(ss_algo_channel, PHY_TXC1_MODE_SISO);
	else
		setbit(ss_algo_channel, PHY_TXC1_MODE_CDD);

	/*
	 * STBC is ORed into to algo channel as STBC requires per-packet SCB
	 * capability check so cannot be default mode of operation. One of
	 * SISO, CDD have to be set
	 */
	if (power.target[siso_mcs_id] <= (power.target[stbc_mcs_id] + 12))
		setbit(ss_algo_channel, PHY_TXC1_MODE_STBC);
}
开发者ID:0xroot,项目名称:Blackphone-BP1-Kernel,代码行数:44,代码来源:stf.c


示例17: add_roam_cache

void add_roam_cache(wl_bss_info_t *bi)
{
	int i;
	uint8 channel;

	if (n_roam_cache == MAX_ROAM_CACHE)
		return;

	for (i = 0; i < n_roam_cache; i++) {
		if ((roam_cache[i].ssid_len == bi->SSID_len) &&
		    (roam_cache[i].chanspec == bi->chanspec) &&
		    (memcmp(roam_cache[i].ssid, bi->SSID, bi->SSID_len) == 0)) {
			/* identical one found, just return */
			return;
		}
	}

	roam_cache[n_roam_cache].ssid_len = bi->SSID_len;
	channel = (bi->ctl_ch == 0) ? CHSPEC_CHANNEL(bi->chanspec) : bi->ctl_ch;
	roam_cache[n_roam_cache].chanspec = WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE | (channel <= 14 ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G) | channel;
	memcpy(roam_cache[n_roam_cache].ssid, bi->SSID, bi->SSID_len);

	n_roam_cache++;
}
开发者ID:FennyFatal,项目名称:FF-i777-Rebase,代码行数:24,代码来源:wl_roam.c


示例18: brcms_c_valid_chanspec_ext

/*
 * Validate the chanspec for this locale, for 40MHZ we need to also
 * check that the sidebands are valid 20MZH channels in this locale
 * and they are also a legal HT combination
 */
static bool
brcms_c_valid_chanspec_ext(struct brcms_cm_info *wlc_cm, u16 chspec,
			   bool dualband)
{
	struct brcms_c_info *wlc = wlc_cm->wlc;
	u8 channel = CHSPEC_CHANNEL(chspec);

	/* check the chanspec */
	if (brcms_c_chspec_malformed(chspec)) {
		wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n",
			wlc->pub->unit, chspec);
		return false;
	}

	if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
	    chspec_bandunit(chspec))
		return false;

	/* Check a 20Mhz channel */
	if (CHSPEC_IS20(chspec)) {
		if (dualband)
			return brcms_c_valid_channel20_db(wlc_cm->wlc->cmi,
							  channel);
		else
			return brcms_c_valid_channel20(wlc_cm->wlc->cmi,
						       channel);
	}
#ifdef SUPPORT_40MHZ
	/*
	 * We know we are now checking a 40MHZ channel, so we should
	 * only be here for NPHYS
	 */
	if (BRCMS_ISNPHY(wlc->band) || BRCMS_ISSSLPNPHY(wlc->band)) {
		u8 upper_sideband = 0, idx;
		u8 num_ch20_entries =
		    sizeof(chan20_info) / sizeof(struct chan20_info);

		if (!VALID_40CHANSPEC_IN_BAND(wlc, chspec_bandunit(chspec)))
			return false;

		if (dualband) {
			if (!brcms_c_valid_channel20_db(wlc->cmi,
							lower_20_sb(channel)) ||
			    !brcms_c_valid_channel20_db(wlc->cmi,
							upper_20_sb(channel)))
				return false;
		} else {
			if (!brcms_c_valid_channel20(wlc->cmi,
						     lower_20_sb(channel)) ||
			    !brcms_c_valid_channel20(wlc->cmi,
						     upper_20_sb(channel)))
				return false;
		}

		/* find the lower sideband info in the sideband array */
		for (idx = 0; idx < num_ch20_entries; idx++) {
			if (chan20_info[idx].sb == lower_20_sb(channel))
				upper_sideband = chan20_info[idx].adj_sbs;
		}
		/* check that the lower sideband allows an upper sideband */
		if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
		    (CH_UPPER_SB | CH_EWA_VALID))
			return true;
		return false;
	}
#endif				/* 40 MHZ */

	return false;
}
开发者ID:openube,项目名称:android_kernel_sony_c2305,代码行数:74,代码来源:channel.c


示例19: wlc_channel_reg_limits

void
wlc_channel_reg_limits(wlc_cm_info_t *wlc_cm, chanspec_t chanspec,
		       txpwr_limits_t *txpwr)
{
	struct wlc_info *wlc = wlc_cm->wlc;
	uint i;
	uint chan;
	int maxpwr;
	int delta;
	const country_info_t *country;
	struct wlcband *band;
	const locale_info_t *li;
	int conducted_max;
	int conducted_ofdm_max;
	const locale_mimo_info_t *li_mimo;
	int maxpwr20, maxpwr40;
	int maxpwr_idx;
	uint j;

	memset(txpwr, 0, sizeof(txpwr_limits_t));

	if (!wlc_valid_chanspec_db(wlc_cm, chanspec)) {
		country = wlc_country_lookup(wlc, wlc->autocountry_default);
		if (country == NULL)
			return;
	} else {
		country = wlc_cm->country;
	}

	chan = CHSPEC_CHANNEL(chanspec);
	band = wlc->bandstate[CHSPEC_WLCBANDUNIT(chanspec)];
	li = BAND_5G(band->bandtype) ?
	    wlc_get_locale_5g(country->locale_5G) :
	    wlc_get_locale_2g(country->locale_2G);

	li_mimo = BAND_5G(band->bandtype) ?
	    wlc_get_mimo_5g(country->locale_mimo_5G) :
	    wlc_get_mimo_2g(country->locale_mimo_2G);

	if (li->flags & WLC_EIRP) {
		delta = band->antgain;
	} else {
		delta = 0;
		if (band->antgain > QDB(6))
			delta = band->antgain - QDB(6);	/* Excess over 6 dB */
	}

	if (li == &locale_i) {
		conducted_max = QDB(22);
		conducted_ofdm_max = QDB(22);
	}

	/* CCK txpwr limits for 2.4G band */
	if (BAND_2G(band->bandtype)) {
		maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_CCK(chan)];

		maxpwr = maxpwr - delta;
		maxpwr = max(maxpwr, 0);
		maxpwr = min(maxpwr, conducted_max);

		for (i = 0; i < WLC_NUM_RATES_CCK; i++)
			txpwr->cck[i] = (u8) maxpwr;
	}

	/* OFDM txpwr limits for 2.4G or 5G bands */
	if (BAND_2G(band->bandtype)) {
		maxpwr = li->maxpwr[CHANNEL_POWER_IDX_2G_OFDM(chan)];

	} else {
		maxpwr = li->maxpwr[CHANNEL_POWER_IDX_5G(chan)];
	}

	maxpwr = maxpwr - delta;
	maxpwr = max(maxpwr, 0);
	maxpwr = min(maxpwr, conducted_ofdm_max);

	/* Keep OFDM lmit below CCK limit */
	if (BAND_2G(band->bandtype))
		maxpwr = min_t(int, maxpwr, txpwr->cck[0]);

	for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
		txpwr->ofdm[i] = (u8) maxpwr;
	}

	for (i = 0; i < WLC_NUM_RATES_OFDM; i++) {
		/* OFDM 40 MHz SISO has the same power as the corresponding MCS0-7 rate unless
		 * overriden by the locale specific code. We set this value to 0 as a
		 * flag (presumably 0 dBm isn't a possibility) and then copy the MCS0-7 value
		 * to the 40 MHz value if it wasn't explicitly set.
		 */
		txpwr->ofdm_40_siso[i] = 0;

		txpwr->ofdm_cdd[i] = (u8) maxpwr;

		txpwr->ofdm_40_cdd[i] = 0;
	}

	/* MIMO/HT specific limits */
	if (li_mimo->flags & WLC_EIRP) {
		delta = band->antgain;
//.........这里部分代码省略.........
开发者ID:ANFS,项目名称:ANFS-kernel,代码行数:101,代码来源:wlc_channel.c


示例20: wlc_valid_chanspec_ext

/*
 * Validate the chanspec for this locale, for 40MHZ we need to also check that the sidebands
 * are valid 20MZH channels in this locale and they are also a legal HT combination
 */
static bool
wlc_valid_chanspec_ext(wlc_cm_info_t *wlc_cm, chanspec_t chspec, bool dualband)
{
	struct wlc_info *wlc = wlc_cm->wlc;
	u8 channel = CHSPEC_CHANNEL(chspec);

	/* check the chanspec */
	if (wf_chspec_malformed(chspec)) {
		WL_ERROR("wl%d: malformed chanspec 0x%x\n",
			 wlc->pub->unit, chspec);
		ASSERT(0);
		return false;
	}

	if (CHANNEL_BANDUNIT(wlc_cm->wlc, channel) !=
	    CHSPEC_WLCBANDUNIT(chspec))
		return false;

	/* Check a 20Mhz channel */
	if (CHSPEC_IS20(chspec)) {
		if (dualband)
			return VALID_CHANNEL20_DB(wlc_cm->wlc, channel);
		else
			return VALID_CHANNEL20(wlc_cm->wlc, channel);
	}
#ifdef SUPPORT_40MHZ
	/* We know we are now checking a 40MHZ channel, so we should only be here
	 * for NPHYS
	 */
	if (WLCISNPHY(wlc->band) || WLCISSSLPNPHY(wlc->band)) {
		u8 upper_sideband = 0, idx;
		u8 num_ch20_entries =
		    sizeof(chan20_info) / sizeof(struct chan20_info);

		if (!VALID_40CHANSPEC_IN_BAND(wlc, CHSPEC_WLCBANDUNIT(chspec)))
			return false;

		if (dualband) {
			if (!VALID_CHANNEL20_DB(wlc, LOWER_20_SB(channel)) ||
			    !VALID_CHANNEL20_DB(wlc, UPPER_20_SB(channel)))
				return false;
		} else {
			if (!VALID_CHANNEL20(wlc, LOWER_20_SB(channel)) ||
			    !VALID_CHANNEL20(wlc, UPPER_20_SB(channel)))
				return false;
		}

		/* find the lower sideband info in the sideband array */
		for (idx = 0; idx < num_ch20_entries; idx++) {
			if (chan20_info[idx].sb == LOWER_20_SB(channel))
				upper_sideband = chan20_info[idx].adj_sbs;
		}
		/* check that the lower sideband allows an upper sideband */
		if ((upper_sideband & (CH_UPPER_SB | CH_EWA_VALID)) ==
		    (CH_UPPER_SB | CH_EWA_VALID))
			return true;
		return false;
	}
#endif				/* 40 MHZ */

	return false;
}
开发者ID:ANFS,项目名称:ANFS-kernel,代码行数:66,代码来源:wlc_channel.c



注:本文中的CHSPEC_CHANNEL函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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