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iwlwifi: mvm: handle CCA-EXT delay firmware notification
If there are frequent CCA delays due to the extension channel as detected by the firmware, and we're on 2.4 GHz, then handle this by disconnecting (with a reconnect hint). When we disconnect, we'll also update our capabilities to use only 20 MHz on the next connection (if it's on 2.4 GHz) as to avoid the use of the extension channel that has too much noise. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210117130510.4de9c363b0b5.I709b7e6f73a7537c53f22d7418927691259de8a8@changeid Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Johannes Berg
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Luca Coelho
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Feb 5, 2021
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