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[06/14] wifi: iwlwifi: mvm: don't skip link selection

Message ID 20240512152312.caab27a8dd8f.I63f67e213d5e05416f71513a8d914917d59aa44f@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wifi: iwlwifi: updates - 2024-05-12 | expand

Commit Message

Miri Korenblit May 12, 2024, 12:24 p.m. UTC
If we exit EMLSR due to a IWL_MVM_ESR_EXIT*, a MLO scan followed by a
link selection is scheduled with a delay of 30 seconds.
If during that 30 seconds EMLSR was blocked and unblocked
(IWL_MVM_ESR_BLOCKED*), we would still want to get the needed data from
the MLO scan and select link accordingly, and not return immediately to
EMLSR.

Fixes: 2f33561ea8f9 ("wifi: iwlwifi: mvm: trigger link selection after exiting EMLSR")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/link.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
index fd8a21891d26..0745229c8c37 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
@@ -1076,6 +1076,13 @@  static void iwl_mvm_esr_unblocked(struct iwl_mvm *mvm,
 
 	IWL_DEBUG_INFO(mvm, "EMLSR is unblocked\n");
 
+	/* We exited due to an EXIT reason, so MLO scan was scheduled already */
+	if (mvmvif->last_esr_exit.reason &&
+	    !(mvmvif->last_esr_exit.reason & IWL_MVM_BLOCK_ESR_REASONS)) {
+		IWL_DEBUG_INFO(mvm, "Wait for MLO scan\n");
+		return;
+	}
+
 	/*
 	 * If EMLSR was blocked for more than 30 seconds, or the last link
 	 * selection decided to not enter EMLSR, trigger a new scan.