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

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]);