qcacld-3.0: Active ini he_max_ampdu_len

Active ini he_max_ampdu_len and change default value from 0 to 3.
Use min(ini,  he_max_ampdu_len from F/W band/MAC cap) as final
he_config.
Mdm platform need set different value to pass throughput KPI.

Change-Id: Ib0580a0e68b72b6b7cd02d327ba643cfd1508080
CRs-Fixed: 3609154

components/mlme/dispatcher/inc/cfg_mlme_he_caps.h

@@ -117,11 +117,11 @@
 				0, \
 				"HE Ofdma Ra")
 
-#define CFG_HE_MAX_AMPDU_LEN CFG_UINT( \
+#define CFG_HE_MAX_AMPDU_LEN CFG_INI_UINT( \
 				"he_max_ampdu_len", \
 				0, \
 				3, \
-				0, \
+				3, \
 				CFG_VALUE_OR_DEFAULT, \
 				"HE Max Ampdu Len")
 

core/mac/src/pe/lim/lim_utils.c

@@ -7424,6 +7424,15 @@ lim_revise_req_he_cap_per_band(struct mlme_legacy_priv *mlme_priv,
 {
 	struct mac_context *mac = session->mac_ctx;
 	tDot11fIEhe_cap *he_config;
+	struct wlan_objmgr_psoc *psoc;
+	uint32_t max_ampdu_len_exp;
+
+	psoc = wlan_vdev_get_psoc(session->vdev);
+	if (!psoc) {
+		pe_err("Failed to get psoc");
+		return;
+	}
+	max_ampdu_len_exp = cfg_get(psoc, CFG_HE_MAX_AMPDU_LEN);
 
 	he_config = &mlme_priv->he_config;
 	if (wlan_reg_is_24ghz_ch_freq(session->curr_op_freq)) {
@@ -7434,7 +7443,8 @@ lim_revise_req_he_cap_per_band(struct mlme_legacy_priv *mlme_priv,
 		he_config->rx_he_mcs_map_lt_80 =
 			mac->he_cap_2g.rx_he_mcs_map_lt_80;
 		he_config->max_ampdu_len_exp_ext =
-			mac->he_cap_2g.max_ampdu_len_exp_ext;
+			QDF_MIN(max_ampdu_len_exp,
+				mac->he_cap_2g.max_ampdu_len_exp_ext);
 		he_config->ul_2x996_tone_ru_supp = 0;
 		he_config->num_sounding_gt_80 = 0;
 		he_config->bfee_sts_gt_80 = 0;
@@ -7453,7 +7463,8 @@ lim_revise_req_he_cap_per_band(struct mlme_legacy_priv *mlme_priv,
 		he_config->num_sounding_lt_80 =
 			mac->he_cap_5g.num_sounding_lt_80;
 		he_config->max_ampdu_len_exp_ext =
-			mac->he_cap_5g.max_ampdu_len_exp_ext;
+			QDF_MIN(max_ampdu_len_exp,
+				mac->he_cap_5g.max_ampdu_len_exp_ext);
 		if (he_config->chan_width_2 ||
 		    he_config->chan_width_3) {
 			he_config->bfee_sts_gt_80 =