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In multi-radio devices, it is possible to have an MLD AP and a monitor interface active at the same time. In such cases, monitor mode may not be able to specify a fixed channel and could end up capturing frames from all radios, including those outside the intended frequency bands. This patch adds frequency validation for monitor mode. Received frames are now only processed if their frequency fall within the allowed ranges of the radios specified by the interface's radio_mask. This prevents monitor mode from capturing frames outside the supported radio. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Link: https://patch.msgid.link/700b8284e845d96654eb98431f8eeb5a81503862.1758647858.git.ryder.lee@mediatek.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>