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Improve the channel setup in mwx_preinit(), add comments for 11n and 11ac

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modes. Also mark channels as passive in the DFS range.
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claudio
2026-06-10 12:29:03 +00:00
parent 9b063aa2ab
commit 43b0c19337
1 changed files with 16 additions and 5 deletions
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sys/dev/pci/if_mwx.c
+16 -5
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@@ -1,4 +1,4 @@
/* $OpenBSD: if_mwx.c,v 1.29 2026/06/10 12:23:52 claudio Exp $ */
/* $OpenBSD: if_mwx.c,v 1.30 2026/06/10 12:29:03 claudio Exp $ */
/*
* Copyright (c) 2022 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2021 MediaTek Inc.
@@ -1253,7 +1253,8 @@ mwx_preinit(struct mwx_softc *sc)
ic->ic_channels[chan].ic_flags =
IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
/* TODO 11n and 11ac flags */
/* TODO 11n and 11ac flags:
* IEEE80211_CHAN_HT | IEEE80211_CHAN_40MHZ */
}
}
@@ -1265,8 +1266,18 @@ mwx_preinit(struct mwx_softc *sc)
chan = mwx_channels_5ghz[i];
ic->ic_channels[chan].ic_freq =
ieee80211_ieee2mhz(chan, IEEE80211_CHAN_5GHZ);
ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_A;
/* TODO 11n and 11ac flags */
ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_A |
IEEE80211_CHAN_5GHZ;
/* TODO 11n and 11ac flags:
* IEEE80211_CHAN_HT | IEEE80211_CHAN_40MHZ |
* IEEE80211_CHAN_VHT
* ic_xflags |= IEEE80211_CHANX_80MHZ
*/
/* 5250-5720 MHz are DFS channels (52-140) */
if (chan >= 52 && chan <= 140)
ic->ic_channels[chan].ic_flags |=
IEEE80211_CHAN_PASSIVE;
}
}
#ifdef NOTYET
@@ -1291,7 +1302,7 @@ mwx_preinit(struct mwx_softc *sc)
ieee80211_media_init(ifp, mwx_media_change, ieee80211_media_status);
sc->sc_fw_loaded = 1;
DPRINTF("%s: preinit done\n", DEVNAME(sc));
return 0;
}