@@ -413,10 +413,11 @@ enum iwl_he_pkt_ext_constellations {
};
#define MAX_HE_SUPP_NSS 2
-#define MAX_HE_CHANNEL_BW_INDX 4
+#define MAX_CHANNEL_BW_INDX_API_D_VER_2 4
+#define MAX_CHANNEL_BW_INDX_API_D_VER_3 5
/**
- * struct iwl_he_pkt_ext - QAM thresholds
+ * struct iwl_he_pkt_ext_v1 - QAM thresholds
* The required PPE is set via HE Capabilities IE, per Nss x BW x MCS
* The IE is organized in the following way:
* Support for Nss x BW (or RU) matrix:
@@ -435,9 +436,34 @@ enum iwl_he_pkt_ext_constellations {
* Nss (0-siso, 1-mimo2) x BW (0-20MHz, 1-40MHz, 2-80MHz, 3-160MHz) x
* (0-low_th, 1-high_th)
*/
-struct iwl_he_pkt_ext {
- u8 pkt_ext_qam_th[MAX_HE_SUPP_NSS][MAX_HE_CHANNEL_BW_INDX][2];
-} __packed; /* PKT_EXT_DOT11AX_API_S */
+struct iwl_he_pkt_ext_v1 {
+ u8 pkt_ext_qam_th[MAX_HE_SUPP_NSS][MAX_CHANNEL_BW_INDX_API_D_VER_2][2];
+} __packed; /* PKT_EXT_DOT11AX_API_S_VER_1 */
+
+/**
+ * struct iwl_he_pkt_ext_v2 - QAM thresholds
+ * The required PPE is set via HE Capabilities IE, per Nss x BW x MCS
+ * The IE is organized in the following way:
+ * Support for Nss x BW (or RU) matrix:
+ * (0=SISO, 1=MIMO2) x (0-20MHz, 1-40MHz, 2-80MHz, 3-160MHz)
+ * Each entry contains 2 QAM thresholds for 8us and 16us:
+ * 0=BPSK, 1=QPSK, 2=16QAM, 3=64QAM, 4=256QAM, 5=1024QAM, 6=RES, 7=NONE
+ * i.e. QAM_th1 < QAM_th2 such if TX uses QAM_tx:
+ * QAM_tx < QAM_th1 --> PPE=0us
+ * QAM_th1 <= QAM_tx < QAM_th2 --> PPE=8us
+ * QAM_th2 <= QAM_tx --> PPE=16us
+ * @pkt_ext_qam_th: QAM thresholds
+ * For each Nss/Bw define 2 QAM thrsholds (0..5)
+ * For rates below the low_th, no need for PPE
+ * For rates between low_th and high_th, need 8us PPE
+ * For rates equal or higher then the high_th, need 16us PPE
+ * Nss (0-siso, 1-mimo2) x
+ * BW (0-20MHz, 1-40MHz, 2-80MHz, 3-160MHz, 4-320MHz) x
+ * (0-low_th, 1-high_th)
+ */
+struct iwl_he_pkt_ext_v2 {
+ u8 pkt_ext_qam_th[MAX_HE_SUPP_NSS][MAX_CHANNEL_BW_INDX_API_D_VER_3][2];
+} __packed; /* PKT_EXT_DOT11AX_API_S_VER_2 */
/**
* enum iwl_he_sta_ctxt_flags - HE STA context flags
@@ -464,6 +490,11 @@ struct iwl_he_pkt_ext {
* @STA_CTXT_HE_RU_2MHZ_BLOCK: indicates that 26-tone RU OFDMA transmission are
* not allowed (as there are OBSS that might classify such transmissions as
* radar pulses).
+ * @STA_CTXT_HE_NDP_FEEDBACK_ENABLED: mark support for NDP feedback and change
+ * of threshold
+ * @STA_CTXT_EHT_PUNCTURE_MASK_VALID: indicates the puncture_mask field is valid
+ * @STA_CTXT_EHT_LONG_PPE_ENABLED: indicates the PPE requirement should be
+ * extended to 20us for BW > 160Mhz or for MCS w/ 4096-QAM.
*/
enum iwl_he_sta_ctxt_flags {
STA_CTXT_HE_REF_BSSID_VALID = BIT(4),
@@ -477,6 +508,9 @@ enum iwl_he_sta_ctxt_flags {
STA_CTXT_HE_MU_EDCA_CW = BIT(12),
STA_CTXT_HE_NIC_NOT_ACK_ENABLED = BIT(13),
STA_CTXT_HE_RU_2MHZ_BLOCK = BIT(14),
+ STA_CTXT_HE_NDP_FEEDBACK_ENABLED = BIT(15),
+ STA_CTXT_EHT_PUNCTURE_MASK_VALID = BIT(16),
+ STA_CTXT_EHT_LONG_PPE_ENABLED = BIT(17),
};
/**
@@ -551,7 +585,7 @@ struct iwl_he_sta_context_cmd_v1 {
u8 frag_min_size;
/* The below fields are set via PPE thresholds element */
- struct iwl_he_pkt_ext pkt_ext;
+ struct iwl_he_pkt_ext_v1 pkt_ext;
/* The below fields are set via HE-Operation IE */
u8 bss_color;
@@ -568,7 +602,7 @@ struct iwl_he_sta_context_cmd_v1 {
} __packed; /* STA_CONTEXT_DOT11AX_API_S_VER_1 */
/**
- * struct iwl_he_sta_context_cmd - configure FW to work with HE AP
+ * struct iwl_he_sta_context_cmd_v2 - configure FW to work with HE AP
* @sta_id: STA id
* @tid_limit: max num of TIDs in TX HE-SU multi-TID agg
* 0 - bad value, 1 - multi-tid not supported, 2..8 - tid limit
@@ -599,7 +633,7 @@ struct iwl_he_sta_context_cmd_v1 {
* @bssid_count: actual number of VAPs in the MultiBSS Set
* @reserved4: alignment
*/
-struct iwl_he_sta_context_cmd {
+struct iwl_he_sta_context_cmd_v2 {
u8 sta_id;
u8 tid_limit;
u8 reserved1;
@@ -619,7 +653,7 @@ struct iwl_he_sta_context_cmd {
u8 frag_min_size;
/* The below fields are set via PPE thresholds element */
- struct iwl_he_pkt_ext pkt_ext;
+ struct iwl_he_pkt_ext_v1 pkt_ext;
/* The below fields are set via HE-Operation IE */
u8 bss_color;
@@ -642,6 +676,81 @@ struct iwl_he_sta_context_cmd {
u8 reserved4[3];
} __packed; /* STA_CONTEXT_DOT11AX_API_S_VER_2 */
+/**
+ * struct iwl_he_sta_context_cmd_v3 - configure FW to work with HE AP
+ * @sta_id: STA id
+ * @tid_limit: max num of TIDs in TX HE-SU multi-TID agg
+ * 0 - bad value, 1 - multi-tid not supported, 2..8 - tid limit
+ * @reserved1: reserved byte for future use
+ * @reserved2: reserved byte for future use
+ * @flags: see %iwl_11ax_sta_ctxt_flags
+ * @ref_bssid_addr: reference BSSID used by the AP
+ * @reserved0: reserved 2 bytes for aligning the ref_bssid_addr field to 8 bytes
+ * @htc_flags: which features are supported in HTC
+ * @frag_flags: frag support in A-MSDU
+ * @frag_level: frag support level
+ * @frag_max_num: max num of "open" MSDUs in the receiver (in power of 2)
+ * @frag_min_size: min frag size (except last frag)
+ * @pkt_ext: optional, exists according to PPE-present bit in the HE-PHY capa
+ * @bss_color: 11ax AP ID that is used in the HE SIG-A to mark inter BSS frame
+ * @htc_trig_based_pkt_ext: default PE in 4us units
+ * @frame_time_rts_th: HE duration RTS threshold, in units of 32us
+ * @rand_alloc_ecwmin: random CWmin = 2**ECWmin-1
+ * @rand_alloc_ecwmax: random CWmax = 2**ECWmax-1
+ * @puncture_mask: puncture mask for EHT
+ * @trig_based_txf: MU EDCA Parameter set for the trigger based traffic queues
+ * @max_bssid_indicator: indicator of the max bssid supported on the associated
+ * bss
+ * @bssid_index: index of the associated VAP
+ * @ema_ap: AP supports enhanced Multi BSSID advertisement
+ * @profile_periodicity: number of Beacon periods that are needed to receive the
+ * complete VAPs info
+ * @bssid_count: actual number of VAPs in the MultiBSS Set
+ * @reserved4: alignment
+ */
+struct iwl_he_sta_context_cmd_v3 {
+ u8 sta_id;
+ u8 tid_limit;
+ u8 reserved1;
+ u8 reserved2;
+ __le32 flags;
+
+ /* The below fields are set via Multiple BSSID IE */
+ u8 ref_bssid_addr[6];
+ __le16 reserved0;
+
+ /* The below fields are set via HE-capabilities IE */
+ __le32 htc_flags;
+
+ u8 frag_flags;
+ u8 frag_level;
+ u8 frag_max_num;
+ u8 frag_min_size;
+
+ /* The below fields are set via PPE thresholds element */
+ struct iwl_he_pkt_ext_v2 pkt_ext;
+
+ /* The below fields are set via HE-Operation IE */
+ u8 bss_color;
+ u8 htc_trig_based_pkt_ext;
+ __le16 frame_time_rts_th;
+
+ /* Random access parameter set (i.e. RAPS) */
+ u8 rand_alloc_ecwmin;
+ u8 rand_alloc_ecwmax;
+ __le16 puncture_mask;
+
+ /* The below fields are set via MU EDCA parameter set element */
+ struct iwl_he_backoff_conf trig_based_txf[AC_NUM];
+
+ u8 max_bssid_indicator;
+ u8 bssid_index;
+ u8 ema_ap;
+ u8 profile_periodicity;
+ u8 bssid_count;
+ u8 reserved4[3];
+} __packed; /* STA_CONTEXT_DOT11AX_API_S_VER_2 */
+
/**
* struct iwl_he_monitor_cmd - configure air sniffer for HE
* @bssid: the BSSID to sniff for
@@ -2090,7 +2090,7 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
struct ieee80211_vif *vif, u8 sta_id)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- struct iwl_he_sta_context_cmd sta_ctxt_cmd = {
+ struct iwl_he_sta_context_cmd_v3 sta_ctxt_cmd = {
.sta_id = sta_id,
.tid_limit = IWL_MAX_TID_COUNT,
.bss_color = vif->bss_conf.he_bss_color.color,
@@ -2098,16 +2098,39 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
.frame_time_rts_th =
cpu_to_le16(vif->bss_conf.frame_time_rts_th),
};
- int size = fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_MBSSID_HE) ?
- sizeof(sta_ctxt_cmd) :
- sizeof(struct iwl_he_sta_context_cmd_v1);
+ struct iwl_he_sta_context_cmd_v2 sta_ctxt_cmd_v2 = {};
+ u32 cmd_id = WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD);
+ u8 ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 2);
+ int size;
struct ieee80211_sta *sta;
u32 flags;
int i;
const struct ieee80211_sta_he_cap *own_he_cap = NULL;
struct ieee80211_chanctx_conf *chanctx_conf;
const struct ieee80211_supported_band *sband;
+ void *cmd;
+
+ if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE))
+ ver = 1;
+
+ switch (ver) {
+ case 1:
+ /* same layout as v2 except some data at the end */
+ cmd = &sta_ctxt_cmd_v2;
+ size = sizeof(struct iwl_he_sta_context_cmd_v1);
+ break;
+ case 2:
+ cmd = &sta_ctxt_cmd_v2;
+ size = sizeof(struct iwl_he_sta_context_cmd_v2);
+ break;
+ case 3:
+ cmd = &sta_ctxt_cmd;
+ size = sizeof(struct iwl_he_sta_context_cmd_v3);
+ break;
+ default:
+ IWL_ERR(mvm, "bad STA_HE_CTXT_CMD version %d\n", ver);
+ return;
+ }
rcu_read_lock();
@@ -2202,7 +2225,9 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
u8 ru_index_tmp = ru_index_bitmap << 1;
u8 bw;
- for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX; bw++) {
+ for (bw = 0;
+ bw < ARRAY_SIZE(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i]);
+ bw++) {
ru_index_tmp >>= 1;
if (!(ru_index_tmp & 1))
continue;
@@ -2246,13 +2271,14 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
/* Set the PPE thresholds accordingly */
if (low_th >= 0 && high_th >= 0) {
- struct iwl_he_pkt_ext *pkt_ext =
- (struct iwl_he_pkt_ext *)&sta_ctxt_cmd.pkt_ext;
+ struct iwl_he_pkt_ext_v2 *pkt_ext =
+ &sta_ctxt_cmd.pkt_ext;
for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
u8 bw;
- for (bw = 0; bw < MAX_HE_CHANNEL_BW_INDX;
+ for (bw = 0;
+ bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
bw++) {
pkt_ext->pkt_ext_qam_th[i][bw][0] =
low_th;
@@ -2325,8 +2351,46 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
sta_ctxt_cmd.flags = cpu_to_le32(flags);
- if (iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(DATA_PATH_GROUP, STA_HE_CTXT_CMD),
- 0, size, &sta_ctxt_cmd))
+ if (ver < 3) {
+ /* fields before pkt_ext */
+ BUILD_BUG_ON(offsetof(typeof(sta_ctxt_cmd), pkt_ext) !=
+ offsetof(typeof(sta_ctxt_cmd_v2), pkt_ext));
+ memcpy(&sta_ctxt_cmd_v2, &sta_ctxt_cmd,
+ offsetof(typeof(sta_ctxt_cmd), pkt_ext));
+
+ /* pkt_ext */
+ for (i = 0;
+ i < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th);
+ i++) {
+ u8 bw;
+
+ for (bw = 0;
+ bw < ARRAY_SIZE(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i]);
+ bw++) {
+ BUILD_BUG_ON(sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]) !=
+ sizeof(sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw]));
+
+ memcpy(&sta_ctxt_cmd_v2.pkt_ext.pkt_ext_qam_th[i][bw],
+ &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw],
+ sizeof(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw]));
+ }
+ }
+
+ /* fields after pkt_ext */
+ BUILD_BUG_ON(sizeof(sta_ctxt_cmd) -
+ offsetofend(typeof(sta_ctxt_cmd), pkt_ext) !=
+ sizeof(sta_ctxt_cmd_v2) -
+ offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext));
+ memcpy((u8 *)&sta_ctxt_cmd_v2 +
+ offsetofend(typeof(sta_ctxt_cmd_v2), pkt_ext),
+ (u8 *)&sta_ctxt_cmd +
+ offsetofend(typeof(sta_ctxt_cmd), pkt_ext),
+ sizeof(sta_ctxt_cmd) -
+ offsetofend(typeof(sta_ctxt_cmd), pkt_ext));
+ sta_ctxt_cmd_v2.reserved3 = 0;
+ }
+
+ if (iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, size, cmd))
IWL_ERR(mvm, "Failed to config FW to work HE!\n");
}