[09/15] wifi: iwlwifi: nvm-parse: advertise common packet padding

Commit Message

Miri Korenblit Jan. 23, 2024, 6:08 p.m. UTC

From: Johannes Berg <[e-mail]>

We should - at least for now - advertise common nominal packet
padding of 16µs instead of the more specific PPE thresholds.

Signed-off-by: Johannes Berg <[e-mail]>
Reviewed-by: Gregory Greenman <[e-mail]>
Signed-off-by: Miri Korenblit <[e-mail]>
---
 drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 8e6ce484db87..a7152d65eefa 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -696,10 +696,11 @@  static const struct ieee80211_sband_iftype_data iwl_he_eht_capa[] = {
 					IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP |
 					IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI,
 				.phy_cap_info[5] =
+					FIELD_PREP_CONST(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK,
+							 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US) |
 					IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |
 					IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP |
-					IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP |
-					IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT,
+					IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP,
 				.phy_cap_info[6] =
 					IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK |
 					IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP,
@@ -733,6 +734,9 @@  static const struct ieee80211_sband_iftype_data iwl_he_eht_capa[] = {
 			/*
 			 * PPE thresholds for NSS = 2, and RU index bitmap set
 			 * to 0xc.
+			 * Note: just for stating what we want, not present in
+			 * the transmitted data due to not including
+			 * IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT.
 			 */
 			.eht_ppe_thres = {0xc1, 0x0e, 0xe0 }
 		},
@@ -801,7 +805,8 @@  static const struct ieee80211_sband_iftype_data iwl_he_eht_capa[] = {
 					IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ |
 					IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI,
 				.phy_cap_info[5] =
-					IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT,
+					FIELD_PREP_CONST(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK,
+							 IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US),
 			},
 
 			/* For all MCS and bandwidth, set 2 NSS for both Tx and
@@ -829,6 +834,9 @@  static const struct ieee80211_sband_iftype_data iwl_he_eht_capa[] = {
 			/*
 			 * PPE thresholds for NSS = 2, and RU index bitmap set
 			 * to 0xc.
+			 * Note: just for stating what we want, not present in
+			 * the transmitted data due to not including
+			 * IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT.
 			 */
 			.eht_ppe_thres = {0xc1, 0x0e, 0xe0 }
 		},