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wifi: iwlwifi: mld: implement UHR DPS

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For UHR, implement dynamic power save (DPS). Since the firmware
handles most of it, simply advertise DPS capability and set the
corresponding link flag when the AP has advertised that it is a
DPS assisting AP.

DPS assisting is currently not supported.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20260513084215.69c5657f2b0c.I0e0dfcd2e2641a5656a14f01ce696443ae10bc4a@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
This commit is contained in:
Johannes Berg 2026-05-13 08:43:54 +03:00 committed by Miri Korenblit
parent 7f7a450ed8
commit f5d199b14c
3 changed files with 13 additions and 2 deletions
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2
drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h
View File

@ -550,6 +550,7 @@ enum iwl_link_ctx_protection_flags {
* @LINK_FLG_NDP_FEEDBACK_ENABLED: mark support for NDP feedback and change
* of threshold
* @LINK_FLG_NPCA: NPCA enabled
* @LINK_FLG_DPS: AP is a DPS assisting AP
*/
enum iwl_link_ctx_flags {
LINK_FLG_BSS_COLOR_DIS = BIT(0),
@ -557,6 +558,7 @@ enum iwl_link_ctx_flags {
LINK_FLG_RU_2MHZ_BLOCK = BIT(2),
LINK_FLG_NDP_FEEDBACK_ENABLED = BIT(3),
LINK_FLG_NPCA = BIT(4),
LINK_FLG_DPS = BIT(6),
}; /* LINK_CONTEXT_FLAG_E_VER_1 */
/**

3
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
View File

@ -696,7 +696,8 @@ static const struct ieee80211_sband_iftype_data iwl_iftype_cap[] = {
.phy.cap = IEEE80211_UHR_PHY_CAP_ELR_RX |
IEEE80211_UHR_PHY_CAP_ELR_TX,
.mac.mac_cap = {
[0] = IEEE80211_UHR_MAC_CAP0_NPCA_SUPP,
[0] = IEEE80211_UHR_MAC_CAP0_NPCA_SUPP |
IEEE80211_UHR_MAC_CAP0_DPS_SUPP,
},
},
},

10
drivers/net/wireless/intel/iwlwifi/mld/link.c
View File

@ -335,10 +335,18 @@ iwl_mld_change_link_in_fw(struct iwl_mld *mld, struct ieee80211_bss_conf *link,
link_sta_dereference_check(mld_vif->ap_sta,
link->link_id);
if (!WARN_ON(!link_sta) && link_sta->he_cap.has_he &&
if (WARN_ON(!link_sta))
return -EINVAL;
if (link_sta->he_cap.has_he &&
link_sta->he_cap.he_cap_elem.mac_cap_info[5] &
IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX)
cmd.ul_mu_data_disable = 1;
if (link_sta->uhr_cap.has_uhr &&
link_sta->uhr_cap.mac.mac_cap[0] &
IEEE80211_UHR_MAC_CAP0_DPS_ASSIST_SUPP)
flags |= LINK_FLG_DPS;
}
cmd.htc_trig_based_pkt_ext = link->htc_trig_based_pkt_ext;