Commit b90a1165 authored by David Gnedt's avatar David Gnedt Committed by John W. Linville
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wl1251: enforce changed hw encryption support on monitor state change

The firmware doesn't support per packet encryption selection, so disable hw
encryption support completely while a monitor interface is present to support
injection of packets (which shouldn't get encrypted by hw).
To enforce the changed hw encryption support force a disassociation on
non-monitor interfaces.
For disassociation a workaround using hw connection monitor is employed,
which temporary enables hw connection manager flag.

Signed-off-by: default avatarDavid Gnedt <>
Signed-off-by: default avatarPali Rohár <>
Signed-off-by: default avatarPavel Machek <>
Signed-off-by: default avatarJohn W. Linville <>
parent 3d49da74
......@@ -687,6 +687,16 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
wl->power_level = conf->power_level;
* Tell stack that connection is lost because hw encryption isn't
* supported in monitor mode.
* This requires temporary enabling of the hw connection monitor flag
if ((changed & IEEE80211_CONF_CHANGE_MONITOR) && wl->vif) {
wl->hw->flags |= IEEE80211_HW_CONNECTION_MONITOR;
......@@ -1119,6 +1129,9 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_ASSOC) {
/* Disable temporary enabled hw connection monitor flag */
wl->hw->flags &= ~IEEE80211_HW_CONNECTION_MONITOR;
if (bss_conf->assoc) {
wl->beacon_int = bss_conf->beacon_int;
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