| ieee80211.c (152450) | ieee80211.c (153350) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> |
| 34__FBSDID("$FreeBSD: head/sys/net80211/ieee80211.c 152450 2005-11-15 05:56:32Z sam $"); | 34__FBSDID("$FreeBSD: head/sys/net80211/ieee80211.c 153350 2005-12-12 18:38:20Z sam $"); |
| 35 36/* 37 * IEEE 802.11 generic handler 38 */ 39 40#include <sys/param.h> 41#include <sys/systm.h> 42#include <sys/kernel.h> --- 759 unchanged lines hidden (view full) --- 802 /* 803 * Verify at least one channel is present in the available 804 * channel list before committing to the new mode. 805 */ 806 KASSERT(mode < N(chanflags), ("Unexpected mode %u", mode)); 807 modeflags = chanflags[mode]; 808 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 809 c = &ic->ic_channels[i]; | 35 36/* 37 * IEEE 802.11 generic handler 38 */ 39 40#include <sys/param.h> 41#include <sys/systm.h> 42#include <sys/kernel.h> --- 759 unchanged lines hidden (view full) --- 802 /* 803 * Verify at least one channel is present in the available 804 * channel list before committing to the new mode. 805 */ 806 KASSERT(mode < N(chanflags), ("Unexpected mode %u", mode)); 807 modeflags = chanflags[mode]; 808 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 809 c = &ic->ic_channels[i]; |
| 810 if (c->ic_flags == 0) 811 continue; |
|
| 810 if (mode == IEEE80211_MODE_AUTO) { 811 /* ignore turbo channels for autoselect */ | 812 if (mode == IEEE80211_MODE_AUTO) { 813 /* ignore turbo channels for autoselect */ |
| 812 if ((c->ic_flags &~ IEEE80211_CHAN_TURBO) != 0) | 814 if ((c->ic_flags & IEEE80211_CHAN_TURBO) == 0) |
| 813 break; 814 } else { 815 if ((c->ic_flags & modeflags) == modeflags) 816 break; 817 } 818 } 819 if (i > IEEE80211_CHAN_MAX) { 820 IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY, 821 "%s: no channels found for mode %u\n", __func__, mode); 822 return EINVAL; 823 } 824 825 /* 826 * Calculate the active channel set. 827 */ 828 memset(ic->ic_chan_active, 0, sizeof(ic->ic_chan_active)); 829 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 830 c = &ic->ic_channels[i]; | 815 break; 816 } else { 817 if ((c->ic_flags & modeflags) == modeflags) 818 break; 819 } 820 } 821 if (i > IEEE80211_CHAN_MAX) { 822 IEEE80211_DPRINTF(ic, IEEE80211_MSG_ANY, 823 "%s: no channels found for mode %u\n", __func__, mode); 824 return EINVAL; 825 } 826 827 /* 828 * Calculate the active channel set. 829 */ 830 memset(ic->ic_chan_active, 0, sizeof(ic->ic_chan_active)); 831 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) { 832 c = &ic->ic_channels[i]; |
| 833 if (c->ic_flags == 0) 834 continue; |
|
| 831 if (mode == IEEE80211_MODE_AUTO) { 832 /* take anything but pure turbo channels */ | 835 if (mode == IEEE80211_MODE_AUTO) { 836 /* take anything but pure turbo channels */ |
| 833 if ((c->ic_flags &~ IEEE80211_CHAN_TURBO) != 0) | 837 if ((c->ic_flags & IEEE80211_CHAN_TURBO) == 0) |
| 834 setbit(ic->ic_chan_active, i); 835 } else { 836 if ((c->ic_flags & modeflags) == modeflags) 837 setbit(ic->ic_chan_active, i); 838 } 839 } 840 /* 841 * If no current/default channel is setup or the current --- 58 unchanged lines hidden (view full) --- 900 * Return the phy mode for with the specified channel so the 901 * caller can select a rate set. This is problematic for channels 902 * where multiple operating modes are possible (e.g. 11g+11b). 903 * In those cases we defer to the current operating mode when set. 904 */ 905enum ieee80211_phymode 906ieee80211_chan2mode(struct ieee80211com *ic, struct ieee80211_channel *chan) 907{ | 838 setbit(ic->ic_chan_active, i); 839 } else { 840 if ((c->ic_flags & modeflags) == modeflags) 841 setbit(ic->ic_chan_active, i); 842 } 843 } 844 /* 845 * If no current/default channel is setup or the current --- 58 unchanged lines hidden (view full) --- 904 * Return the phy mode for with the specified channel so the 905 * caller can select a rate set. This is problematic for channels 906 * where multiple operating modes are possible (e.g. 11g+11b). 907 * In those cases we defer to the current operating mode when set. 908 */ 909enum ieee80211_phymode 910ieee80211_chan2mode(struct ieee80211com *ic, struct ieee80211_channel *chan) 911{ |
| 908 if (IEEE80211_IS_CHAN_5GHZ(chan)) { 909 /* 910 * This assumes all 11a turbo channels are also 911 * usable withut turbo, which is currently true. 912 */ 913 if (ic->ic_curmode == IEEE80211_MODE_TURBO_A) 914 return IEEE80211_MODE_TURBO_A; | 912 if (IEEE80211_IS_CHAN_T(chan)) { 913 return IEEE80211_MODE_TURBO_A; 914 } else if (IEEE80211_IS_CHAN_5GHZ(chan)) { |
| 915 return IEEE80211_MODE_11A; 916 } else if (IEEE80211_IS_CHAN_FHSS(chan)) 917 return IEEE80211_MODE_FH; 918 else if (chan->ic_flags & (IEEE80211_CHAN_OFDM|IEEE80211_CHAN_DYN)) { 919 /* 920 * This assumes all 11g channels are also usable 921 * for 11b, which is currently true. 922 */ --- 113 unchanged lines hidden --- | 915 return IEEE80211_MODE_11A; 916 } else if (IEEE80211_IS_CHAN_FHSS(chan)) 917 return IEEE80211_MODE_FH; 918 else if (chan->ic_flags & (IEEE80211_CHAN_OFDM|IEEE80211_CHAN_DYN)) { 919 /* 920 * This assumes all 11g channels are also usable 921 * for 11b, which is currently true. 922 */ --- 113 unchanged lines hidden --- |