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wifi: iwlwifi: mld: implement UHR multi-link PM

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For multi-link power management, the driver really only needs
to advertise the capability and tell the firmware that the AP
has it. Implement this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20260515150751.a28557532e2b.Id35c7f7c319c36daf8ef35fec28940d4db6fc253@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
This commit is contained in:
Johannes Berg
2026-05-15 15:09:37 +03:00
committed by Miri Korenblit
parent e9308657a4
commit c024018744
3 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h
View File

@@ -556,6 +556,7 @@ enum iwl_link_ctx_protection_flags {
* of threshold
* @LINK_FLG_NPCA: NPCA enabled
* @LINK_FLG_DPS: AP is a DPS assisting AP
* @LINK_FLG_MLPM: AP supports UHR multi-link PM
* @LINK_FLG_DUO: AP supports UHR DUO
*/
enum iwl_link_ctx_flags {
@@ -565,6 +566,7 @@ enum iwl_link_ctx_flags {
LINK_FLG_NDP_FEEDBACK_ENABLED = BIT(3),
LINK_FLG_NPCA = BIT(4),
LINK_FLG_DPS = BIT(6),
LINK_FLG_MLPM = BIT(7),
LINK_FLG_DUO = BIT(8),
}; /* LINK_CONTEXT_FLAG_E_VER_1 */

5
drivers/net/wireless/intel/iwlwifi/mld/link.c
View File

@@ -352,6 +352,11 @@ iwl_mld_change_link_in_fw(struct iwl_mld *mld, struct ieee80211_bss_conf *link,
link_sta->uhr_cap.mac.mac_cap[1] &
IEEE80211_UHR_MAC_CAP1_DUO_SUPP)
flags |= LINK_FLG_DUO;
if (link_sta->uhr_cap.has_uhr &&
mld_vif->ap_sta->ext_mld_capa_ops &
IEEE80211_UHR_ML_EXT_MLD_CAPA_ML_PM)
flags |= LINK_FLG_MLPM;
}
cmd.htc_trig_based_pkt_ext = link->htc_trig_based_pkt_ext;

2
drivers/net/wireless/intel/iwlwifi/mld/mac80211.c
View File

@@ -420,6 +420,8 @@ static void iwl_mac_hw_set_wiphy(struct iwl_mld *mld)
mld->ext_capab[0].eml_capabilities = IWL_MLD_EMLSR_CAPA;
mld->ext_capab[0].mld_capa_and_ops = IWL_MLD_CAPA_OPS;
mld->ext_capab[0].ext_mld_capa_and_ops =
IEEE80211_UHR_ML_EXT_MLD_CAPA_ML_PM;
}