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wifi-scripts: fix creation of IBSS in legacy (non-HT) mode

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When an IBBS interface is configured for IBSS legacy mode, wdev.htmode
is empty. This is empty string results in an empty positional argument
to the "ibbs join" command, for example:

    iw dev phy0-ibss0 ibss join crymesh 2412 '' fixed-freq beacon-interval 100

This empty argument is interpreted as an invalid HT mode by 'iw',
causing the entire command to fail and print a "usage" message:

    daemon.notice netifd: radio0 (4527): Usage:    iw [options] \
        dev <devname> ibss join <SSID> <freq in MHz> ...

Although nobody will ever need more than 640K of IBSS, explicitly use
"NOHT" if an HT mode is not given. This fixes the problem.

Fixes: e56c5f7b27 ("hostapd: add ucode support, use ucode for the main ubus object")
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name> [extend to cover more cases]
This commit is contained in:
Alexandru Gagniuc 2024-04-03 14:32:08 -05:00 committed by Felix Fietkau
parent 7f85104ebb
commit cee9fcdb73
1 changed files with 4 additions and 3 deletions
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7
package/network/config/wifi-scripts/files/usr/share/hostap/wdev.uc
View File

@ -32,10 +32,11 @@ function iface_start(wdev)
wdev_config.macaddr = phydev.macaddr_next();
wdev_create(phy, ifname, wdev_config);
wdev_set_up(ifname, true);
let htmode = wdev.htmode || "NOHT";
if (wdev.freq)
system(`iw dev ${ifname} set freq ${wdev.freq} ${wdev.htmode}`);
system(`iw dev ${ifname} set freq ${wdev.freq} ${htmode}`);
if (wdev.mode == "adhoc") {
let cmd = ["iw", "dev", ifname, "ibss", "join", wdev.ssid, wdev.freq, wdev.htmode, "fixed-freq" ];
let cmd = ["iw", "dev", ifname, "ibss", "join", wdev.ssid, wdev.freq, htmode, "fixed-freq" ];
if (wdev.bssid)
push(cmd, wdev.bssid);
for (let key in [ "beacon-interval", "basic-rates", "mcast-rate", "keys" ])
@ -43,7 +44,7 @@ function iface_start(wdev)
push(cmd, key, wdev[key]);
system(cmd);
} else if (wdev.mode == "mesh") {
let cmd = [ "iw", "dev", ifname, "mesh", "join", wdev.ssid, "freq", wdev.freq, wdev.htmode ];
let cmd = [ "iw", "dev", ifname, "mesh", "join", wdev.ssid, "freq", wdev.freq, htmode ];
for (let key in [ "mcast-rate", "beacon-interval" ])
if (wdev[key])
push(cmd, key, wdev[key]);