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https://github.com/Telecominfraproject/wlan-ap.git
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f74dd74cef
During CSA with DFS channels, disable, enable interface is a part of the algorithm. When interface was enabled old operating class before switch and new channel were used causing mismatch in configured_fixed_chan_to_freq function. Example of log when switch from channel 157 to 108 was triggered: "Could not convert op_class 124 channel 108 to operating frequency" Fixes: WIFI-13385 Signed-off-by: Marek Kwaczynski <marek@shasta.cloud>
26 lines
1.1 KiB
Diff
26 lines
1.1 KiB
Diff
Index: hostapd-2021-02-20-59e9794c/src/ap/hostapd.c
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===================================================================
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--- hostapd-2021-02-20-59e9794c.orig/src/ap/hostapd.c
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+++ hostapd-2021-02-20-59e9794c/src/ap/hostapd.c
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@@ -3814,6 +3814,8 @@ hostapd_switch_channel_fallback(struct h
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const struct hostapd_freq_params *freq_params)
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{
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int seg0_idx = 0, seg1_idx = 0, bw = CHANWIDTH_USE_HT;
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+ u8 op_class;
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+ u8 chan;
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wpa_printf(MSG_DEBUG, "Restarting all CSA-related BSSes");
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@@ -3846,6 +3848,11 @@ hostapd_switch_channel_fallback(struct h
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iface->freq = freq_params->freq;
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iface->conf->channel = freq_params->channel;
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iface->conf->secondary_channel = freq_params->sec_channel_offset;
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+ ieee80211_freq_to_channel_ext(freq_params->freq, freq_params->sec_channel_offset, bw, &op_class, &chan);
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+ if (chan != freq_params->channel)
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+ wpa_printf(MSG_ERROR, "Channel mismatch: %d -> %d", freq_params->channel, chan);
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+
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+ iface->conf->op_class = op_class;
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hostapd_set_oper_centr_freq_seg0_idx(iface->conf, seg0_idx);
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hostapd_set_oper_centr_freq_seg1_idx(iface->conf, seg1_idx);
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hostapd_set_oper_chwidth(iface->conf, bw);
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