diff options
Diffstat (limited to 'freebsd/sys/net80211/ieee80211_scan_sta.c')
| -rw-r--r-- | freebsd/sys/net80211/ieee80211_scan_sta.c | 65 |
1 files changed, 43 insertions, 22 deletions
diff --git a/freebsd/sys/net80211/ieee80211_scan_sta.c b/freebsd/sys/net80211/ieee80211_scan_sta.c index a7a1fc29..3ea313d5 100644 --- a/freebsd/sys/net80211/ieee80211_scan_sta.c +++ b/freebsd/sys/net80211/ieee80211_scan_sta.c @@ -474,6 +474,8 @@ static const u_int chanflags[IEEE80211_MODE_MAX] = { /* check legacy */ [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, + [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, + [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, }; static void @@ -496,12 +498,15 @@ add_channels(struct ieee80211vap *vap, if (c == NULL || isexcluded(vap, c)) continue; if (mode == IEEE80211_MODE_AUTO) { + KASSERT(IEEE80211_IS_CHAN_B(c), + ("%s: wrong channel for 'auto' mode %u / %u\n", + __func__, c->ic_freq, c->ic_flags)); + /* * XXX special-case 11b/g channels so we select * the g channel if both are present. */ - if (IEEE80211_IS_CHAN_B(c) && - (cg = find11gchannel(ic, i, c->ic_freq)) != NULL) + if ((cg = find11gchannel(ic, i, c->ic_freq)) != NULL) c = cg; } ss->ss_chans[ss->ss_last++] = c; @@ -620,32 +625,48 @@ makescanlist(struct ieee80211_scan_state *ss, struct ieee80211vap *vap, */ for (scan = table; scan->list != NULL; scan++) { mode = scan->mode; - if (vap->iv_des_mode != IEEE80211_MODE_AUTO) { + + switch (mode) { + case IEEE80211_MODE_11B: + if (vap->iv_des_mode == IEEE80211_MODE_11B) + break; + /* - * If a desired mode was specified, scan only - * channels that satisfy that constraint. + * The scan table marks 2.4Ghz channels as b + * so if the desired mode is 11g / 11ng / 11acg, + * then use the 11b channel list but upgrade the mode. + * + * NB: 11b -> AUTO lets add_channels upgrade an + * 11b channel to 11g if available. */ - if (vap->iv_des_mode != mode) { - /* - * The scan table marks 2.4Ghz channels as b - * so if the desired mode is 11g, then use - * the 11b channel list but upgrade the mode. - */ - if (vap->iv_des_mode == IEEE80211_MODE_11G) { - if (mode == IEEE80211_MODE_11G) /* Skip the G check */ - continue; - else if (mode == IEEE80211_MODE_11B) - mode = IEEE80211_MODE_11G; /* upgrade */ - } + if (vap->iv_des_mode == IEEE80211_MODE_AUTO || + vap->iv_des_mode == IEEE80211_MODE_11G || + vap->iv_des_mode == IEEE80211_MODE_11NG || + vap->iv_des_mode == IEEE80211_MODE_VHT_2GHZ) { + mode = vap->iv_des_mode; + break; } - } else { + + continue; + case IEEE80211_MODE_11A: + /* Use 11a channel list for 11na / 11ac modes */ + if (vap->iv_des_mode == IEEE80211_MODE_11NA || + vap->iv_des_mode == IEEE80211_MODE_VHT_5GHZ) { + mode = vap->iv_des_mode; + break; + } + + /* FALLTHROUGH */ + default: /* - * This lets add_channels upgrade an 11b channel - * to 11g if available. + * If a desired mode was specified, scan only + * channels that satisfy that constraint. */ - if (mode == IEEE80211_MODE_11B) - mode = IEEE80211_MODE_AUTO; + if (vap->iv_des_mode != IEEE80211_MODE_AUTO && + vap->iv_des_mode != mode) + continue; } + #ifdef IEEE80211_F_XR /* XR does not operate on turbo channels */ if ((vap->iv_flags & IEEE80211_F_XR) && |