From f552d6fd2f27ce9430c74482c46272838e2de688 Mon Sep 17 00:00:00 2001
From: P Praneesh <ppranees@codeaurora.org>
Date: Fri, 24 Sep 2021 16:52:46 +0300
Subject: [PATCH] ath11k: add support for 80P80 and 160 MHz bandwidth
Git-commit: f552d6fd2f27ce9430c74482c46272838e2de688
Patch-mainline: v5.16-rc1
References: bsc#1206451
For 160 MHz, nss_ratio_enabled flag is added to indicate firmware
supports sending NSS ratio information from firmware as a part of
service ready ext event. Extract this NSS ratio info from service
ready ext event and save this information in ath11k_pdev_cap to
calculate NSS ratio.
Current firmware configurations support two types of NSS ratio
which is WMI_NSS_RATIO_1_NSS for QCN9074 and WMI_NSS_RATIO_1BY2_NSS
for IPQ8074. Based on this two configuration, max supported
NSS getting calculated.
Move ath11k_peer_assoc_h_phymode() before ath11k_peer_assoc_h_vht()
to get arg->peer_phymode updated.
Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1-00097-QCAHKSWPL_SILICONZ-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01467-QCAHKSWPL_SILICONZ-1
Co-developed-by: Ganesh Sesetti <gseset@codeaurora.org>
Signed-off-by: Ganesh Sesetti <gseset@codeaurora.org>
Co-developed-by: Sathishkumar Muruganandam <murugana@codeaurora.org>
Signed-off-by: Sathishkumar Muruganandam <murugana@codeaurora.org>
Signed-off-by: P Praneesh <ppranees@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210721173615.75637-2-jouni@codeaurora.org
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/ath/ath11k/core.h | 2 +
drivers/net/wireless/ath/ath11k/mac.c | 95 ++++++++++++++++++++++----
drivers/net/wireless/ath/ath11k/mac.h | 3 +
drivers/net/wireless/ath/ath11k/wmi.c | 20 +++++-
drivers/net/wireless/ath/ath11k/wmi.h | 30 ++++++++
5 files changed, 136 insertions(+), 14 deletions(-)
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index a70d724b0c37..3dd5a6938b1e 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -597,6 +597,8 @@ struct ath11k_pdev_cap {
u32 tx_chain_mask_shift;
u32 rx_chain_mask_shift;
struct ath11k_band_cap band[NUM_NL80211_BANDS];
+ bool nss_ratio_enabled;
+ u8 nss_ratio_info;
};
struct ath11k_pdev {
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 0db93fb23a9f..a35eded95fc5 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -1581,6 +1581,34 @@ ath11k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
return tx_mcs_set;
}
+static u8 ath11k_get_nss_160mhz(struct ath11k *ar,
+ u8 max_nss)
+{
+ u8 nss_ratio_info = ar->pdev->cap.nss_ratio_info;
+ u8 max_sup_nss = 0;
+
+ switch (nss_ratio_info) {
+ case WMI_NSS_RATIO_1BY2_NSS:
+ max_sup_nss = max_nss >> 1;
+ break;
+ case WMI_NSS_RATIO_3BY4_NSS:
+ ath11k_warn(ar->ab, "WMI_NSS_RATIO_3BY4_NSS not supported\n");
+ break;
+ case WMI_NSS_RATIO_1_NSS:
+ max_sup_nss = max_nss;
+ break;
+ case WMI_NSS_RATIO_2_NSS:
+ ath11k_warn(ar->ab, "WMI_NSS_RATIO_2_NSS not supported\n");
+ break;
+ default:
+ ath11k_warn(ar->ab, "invalid nss ratio received from firmware: %d\n",
+ nss_ratio_info);
+ break;
+ }
+
+ return max_sup_nss;
+}
+
static void ath11k_peer_assoc_h_vht(struct ath11k *ar,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@@ -1595,6 +1623,7 @@ static void ath11k_peer_assoc_h_vht(struct ath11k *ar,
u8 max_nss, vht_mcs;
int i, vht_nss, nss_idx;
bool user_rate_valid = true;
+ u32 rx_nss, tx_nss, nss_160;
if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
return;
@@ -1687,10 +1716,29 @@ static void ath11k_peer_assoc_h_vht(struct ath11k *ar,
/* TODO: Check */
arg->tx_max_mcs_nss = 0xFF;
- ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
- sta->addr, arg->peer_max_mpdu, arg->peer_flags);
+ if (arg->peer_phymode == MODE_11AC_VHT160 ||
+ arg->peer_phymode == MODE_11AC_VHT80_80) {
+ tx_nss = ath11k_get_nss_160mhz(ar, max_nss);
+ rx_nss = min(arg->peer_nss, tx_nss);
+ arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE;
+
+ if (!rx_nss) {
+ ath11k_warn(ar->ab, "invalid max_nss\n");
+ return;
+ }
+
+ if (arg->peer_phymode == MODE_11AC_VHT160)
+ nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1);
+ else
+ nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1);
- /* TODO: rxnss_override */
+ arg->peer_bw_rxnss_override |= nss_160;
+ }
+
+ ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
+ "mac vht peer %pM max_mpdu %d flags 0x%x nss_override 0x%x\n",
+ sta->addr, arg->peer_max_mpdu, arg->peer_flags,
+ arg->peer_bw_rxnss_override);
}
static int ath11k_mac_get_max_he_mcs_map(u16 mcs_map, int nss)
@@ -1774,6 +1822,7 @@ static void ath11k_peer_assoc_h_he(struct ath11k *ar,
u16 he_tx_mcs = 0, v = 0;
int i, he_nss, nss_idx;
bool user_rate_valid = true;
+ u32 rx_nss, tx_nss, nss_160;
if (WARN_ON(ath11k_mac_vif_chan(vif, &def)))
return;
@@ -1937,9 +1986,30 @@ static void ath11k_peer_assoc_h_he(struct ath11k *ar,
}
arg->peer_nss = min(sta->rx_nss, max_nss);
+ if (arg->peer_phymode == MODE_11AX_HE160 ||
+ arg->peer_phymode == MODE_11AX_HE80_80) {
+ tx_nss = ath11k_get_nss_160mhz(ar, max_nss);
+ rx_nss = min(arg->peer_nss, tx_nss);
+ arg->peer_bw_rxnss_override = ATH11K_BW_NSS_MAP_ENABLE;
+
+ if (!rx_nss) {
+ ath11k_warn(ar->ab, "invalid max_nss\n");
+ return;
+ }
+
+ if (arg->peer_phymode == MODE_11AX_HE160)
+ nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_160MHZ, rx_nss - 1);
+ else
+ nss_160 = FIELD_PREP(ATH11K_PEER_RX_NSS_80_80MHZ, rx_nss - 1);
+
+ arg->peer_bw_rxnss_override |= nss_160;
+ }
+
ath11k_dbg(ar->ab, ATH11K_DBG_MAC,
- "mac he peer %pM nss %d mcs cnt %d\n",
- sta->addr, arg->peer_nss, arg->peer_he_mcs_count);
+ "mac he peer %pM nss %d mcs cnt %d nss_override 0x%x\n",
+ sta->addr, arg->peer_nss,
+ arg->peer_he_mcs_count,
+ arg->peer_bw_rxnss_override);
}
static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta,
@@ -2227,11 +2297,11 @@ static void ath11k_peer_assoc_prepare(struct ath11k *ar,
ath11k_peer_assoc_h_basic(ar, vif, sta, arg);
ath11k_peer_assoc_h_crypto(ar, vif, sta, arg);
ath11k_peer_assoc_h_rates(ar, vif, sta, arg);
+ ath11k_peer_assoc_h_phymode(ar, vif, sta, arg);
ath11k_peer_assoc_h_ht(ar, vif, sta, arg);
ath11k_peer_assoc_h_vht(ar, vif, sta, arg);
ath11k_peer_assoc_h_he(ar, vif, sta, arg);
ath11k_peer_assoc_h_qos(ar, vif, sta, arg);
- ath11k_peer_assoc_h_phymode(ar, vif, sta, arg);
ath11k_peer_assoc_h_smps(sta, arg);
/* TODO: amsdu_disable req? */
@@ -4427,11 +4497,6 @@ ath11k_create_vht_cap(struct ath11k *ar, u32 rate_cap_tx_chainmask,
ath11k_set_vht_txbf_cap(ar, &vht_cap.cap);
- /* TODO: Enable back VHT160 mode once association issues are fixed */
- /* Disabling VHT160 and VHT80+80 modes */
- vht_cap.cap &= ~IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
- vht_cap.cap &= ~IEEE80211_VHT_CAP_SHORT_GI_160;
-
rxmcs_map = 0;
txmcs_map = 0;
for (i = 0; i < 8; i++) {
@@ -7345,7 +7410,9 @@ static int ath11k_mac_setup_iface_combinations(struct ath11k *ar)
combinations[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
- BIT(NL80211_CHAN_WIDTH_80);
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_80P80) |
+ BIT(NL80211_CHAN_WIDTH_160);
ar->hw->wiphy->iface_combinations = combinations;
ar->hw->wiphy->n_iface_combinations = 1;
@@ -7484,6 +7551,10 @@ static int __ath11k_mac_register(struct ath11k *ar)
ieee80211_hw_set(ar->hw, SUPPORTS_TX_FRAG);
ieee80211_hw_set(ar->hw, REPORTS_LOW_ACK);
ieee80211_hw_set(ar->hw, SUPPORTS_TX_ENCAP_OFFLOAD);
+
+ if (cap->nss_ratio_enabled)
+ ieee80211_hw_set(ar->hw, SUPPORTS_VHT_EXT_NSS_BW);
+
if (ht_cap & WMI_HT_CAP_ENABLED) {
ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
diff --git a/drivers/net/wireless/ath/ath11k/mac.h b/drivers/net/wireless/ath/ath11k/mac.h
index 4bc59bdaf244..254ca4acc8e8 100644
--- a/drivers/net/wireless/ath/ath11k/mac.h
+++ b/drivers/net/wireless/ath/ath11k/mac.h
@@ -115,6 +115,9 @@ struct ath11k_generic_iter {
#define WMI_MAX_SPATIAL_STREAM 3
#define ATH11K_CHAN_WIDTH_NUM 8
+#define ATH11K_BW_NSS_MAP_ENABLE BIT(31)
+#define ATH11K_PEER_RX_NSS_160MHZ GENMASK(2, 0)
+#define ATH11K_PEER_RX_NSS_80_80MHZ GENMASK(5, 3)
#define ATH11K_OBSS_PD_MAX_THRESHOLD -82
#define ATH11K_OBSS_PD_NON_SRG_MAX_THRESHOLD -62
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 330b435e0ed3..7ac84ac86aab 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -360,6 +360,10 @@ ath11k_pull_mac_phy_cap_svc_ready_ext(struct ath11k_pdev_wmi *wmi_handle,
pdev_cap->he_mcs = mac_phy_caps->he_supp_mcs_5g;
pdev_cap->tx_chain_mask = mac_phy_caps->tx_chain_mask_5g;
pdev_cap->rx_chain_mask = mac_phy_caps->rx_chain_mask_5g;
+ pdev_cap->nss_ratio_enabled =
+ WMI_NSS_RATIO_ENABLE_DISABLE_GET(mac_phy_caps->nss_ratio);
+ pdev_cap->nss_ratio_info =
+ WMI_NSS_RATIO_INFO_GET(mac_phy_caps->nss_ratio);
} else {
return -EINVAL;
}
@@ -783,14 +787,26 @@ int ath11k_wmi_vdev_down(struct ath11k *ar, u8 vdev_id)
static void ath11k_wmi_put_wmi_channel(struct wmi_channel *chan,
struct wmi_vdev_start_req_arg *arg)
{
+ u32 center_freq1 = arg->channel.band_center_freq1;
+
memset(chan, 0, sizeof(*chan));
chan->mhz = arg->channel.freq;
chan->band_center_freq1 = arg->channel.band_center_freq1;
- if (arg->channel.mode == MODE_11AC_VHT80_80)
+
+ if (arg->channel.mode == MODE_11AX_HE160) {
+ if (arg->channel.freq > arg->channel.band_center_freq1)
+ chan->band_center_freq1 = center_freq1 + 40;
+ else
+ chan->band_center_freq1 = center_freq1 - 40;
+
+ chan->band_center_freq2 = arg->channel.band_center_freq1;
+
+ } else if (arg->channel.mode == MODE_11AC_VHT80_80) {
chan->band_center_freq2 = arg->channel.band_center_freq2;
- else
+ } else {
chan->band_center_freq2 = 0;
+ }
chan->info |= FIELD_PREP(WMI_CHAN_INFO_MODE, arg->channel.mode);
if (arg->channel.passive)
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index c06db3a28eb8..39bfa233b83a 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -2146,6 +2146,24 @@ enum wmi_direct_buffer_module {
WMI_DIRECT_BUF_MAX
};
+/* enum wmi_nss_ratio - NSS ratio received from FW during service ready ext
+ * event
+ * WMI_NSS_RATIO_1BY2_NSS -Max nss of 160MHz is equals to half of the max nss
+ * of 80MHz
+ * WMI_NSS_RATIO_3BY4_NSS - Max nss of 160MHz is equals to 3/4 of the max nss
+ * of 80MHz
+ * WMI_NSS_RATIO_1_NSS - Max nss of 160MHz is equals to the max nss of 80MHz
+ * WMI_NSS_RATIO_2_NSS - Max nss of 160MHz is equals to two times the max
+ * nss of 80MHz
+ */
+
+enum wmi_nss_ratio {
+ WMI_NSS_RATIO_1BY2_NSS = 0x0,
+ WMI_NSS_RATIO_3BY4_NSS = 0x1,
+ WMI_NSS_RATIO_1_NSS = 0x2,
+ WMI_NSS_RATIO_2_NSS = 0x3,
+};
+
struct wmi_host_pdev_band_to_mac {
u32 pdev_id;
u32 start_freq;
@@ -2390,6 +2408,12 @@ struct wmi_hw_mode_capabilities {
} __packed;
#define WMI_MAX_HECAP_PHY_SIZE (3)
+#define WMI_NSS_RATIO_ENABLE_DISABLE_BITPOS BIT(0)
+#define WMI_NSS_RATIO_ENABLE_DISABLE_GET(_val) \
+ FIELD_GET(WMI_NSS_RATIO_ENABLE_DISABLE_BITPOS, _val)
+#define WMI_NSS_RATIO_INFO_BITPOS GENMASK(4, 1)
+#define WMI_NSS_RATIO_INFO_GET(_val) \
+ FIELD_GET(WMI_NSS_RATIO_INFO_BITPOS, _val)
struct wmi_mac_phy_capabilities {
u32 hw_mode_id;
@@ -2423,6 +2447,12 @@ struct wmi_mac_phy_capabilities {
u32 he_cap_info_2g_ext;
u32 he_cap_info_5g_ext;
u32 he_cap_info_internal;
+ u32 wireless_modes;
+ u32 low_2ghz_chan_freq;
+ u32 high_2ghz_chan_freq;
+ u32 low_5ghz_chan_freq;
+ u32 high_5ghz_chan_freq;
+ u32 nss_ratio;
} __packed;
struct wmi_hal_reg_capabilities_ext {
--
2.35.3