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[wireless-next,06/15] wifi: iwlwifi: mld: prevent toggling EMLSR due to FW requests

Message ID 20250313002008.f0e74a7f99af.I447c8788afba85a2a5040ae2c1213b6e05ec14f3@changeid (mailing list archive)
State New
Delegated to: Johannes Berg
Headers show
Series wifi: iwlwifi: updates - 2025-03-13 | expand

Checks

Context Check Description
wifibot/fixes_present success Fixes tag not required for -next series
wifibot/series_format success Posting correctly formatted
wifibot/tree_selection success Clearly marked for wireless-next
wifibot/ynl success Generated files up to date; no warnings/errors; no diff in generated;
wifibot/build_32bit success Errors and warnings before: 0 this patch: 0
wifibot/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
wifibot/build_clang success Errors and warnings before: 0 this patch: 0
wifibot/build_clang_rust success No Rust files in patch. Skipping build
wifibot/build_tools success No tools touched, skip
wifibot/check_selftest success No net selftest shell script
wifibot/checkpatch warning WARNING: line length of 83 exceeds 80 columns
wifibot/deprecated_api success None detected
wifibot/header_inline success No static functions without inline keyword in header files
wifibot/kdoc success Errors and warnings before: 0 this patch: 0
wifibot/source_inline success Was 0 now: 0
wifibot/verify_fixes success No Fixes tag
wifibot/verify_signedoff success Signed-off-by tag matches author and committer

Commit Message

Miri Korenblit March 12, 2025, 10:22 p.m. UTC 
We exit EMLSR mode if the FW requested to do so.
To prevent repeated toggling of the EMLSR mode (frequent entry and
exit), add this exit reason to the EMLSR prevention mechanism.
This mechanism avoids re-entering EMLSR for a certain period of time
after multiple exits caused by the same reason.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mld/mlo.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c
index 9556ff3a75a1..8f6da90bf82c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c
@@ -116,8 +116,9 @@  void iwl_mld_emlsr_tmp_non_bss_done_wk(struct wiphy *wiphy,
 #define IWL_MLD_SCAN_EXPIRE_TIME	(HZ * IWL_MLD_SCAN_EXPIRE_TIME_SEC)
 
 /* Exit reasons that can cause longer EMLSR prevention */
-#define IWL_MLD_PREVENT_EMLSR_REASONS	(IWL_MLD_EMLSR_EXIT_MISSED_BEACON | \
-					 IWL_MLD_EMLSR_EXIT_LINK_USAGE)
+#define IWL_MLD_PREVENT_EMLSR_REASONS	(IWL_MLD_EMLSR_EXIT_MISSED_BEACON	| \
+					 IWL_MLD_EMLSR_EXIT_LINK_USAGE		| \
+					 IWL_MLD_EMLSR_EXIT_FW_REQUEST)
 #define IWL_MLD_PREVENT_EMLSR_TIMEOUT	(HZ * 400)
 
 #define IWL_MLD_EMLSR_PREVENT_SHORT	(HZ * 300)