Add support for Enhanced Directional Multi-Gigabit (EDMG) channels 9-11.
wil6210 reports it's EDMG capabilities (that are also based on FW
capability) to cfg80211 by filling
wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.
wil6210 handles edmg_channel requested in connect and start_ap
operations.

Signed-off-by: Alexei Avshalom Lazar <ailiz...@codeaurora.org>
---
 drivers/net/wireless/ath/wil6210/cfg80211.c  | 194 +++++++++++++++++++++++++--
 drivers/net/wireless/ath/wil6210/main.c      |   3 +
 drivers/net/wireless/ath/wil6210/txrx_edma.c |   2 +
 drivers/net/wireless/ath/wil6210/txrx_edma.h |   6 +
 drivers/net/wireless/ath/wil6210/wil6210.h   |   6 +-
 drivers/net/wireless/ath/wil6210/wmi.c       |   5 +-
 drivers/net/wireless/ath/wil6210/wmi.h       |  43 +++++-
 7 files changed, 242 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c 
b/drivers/net/wireless/ath/wil6210/cfg80211.c
index 4740b53..63c8f44 100644
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -51,6 +51,52 @@
 /* channel 4 not supported yet */
 };
 
+/* supported EDMG channels */
+static u8 wil_edmg_channels[] = {9, 10};
+
+/* Rx channel bonding mode */
+enum wil_rx_cb_mode {
+       WIL_RX_CB_MODE_DMG,
+       WIL_RX_CB_MODE_EDMG,
+       WIL_RX_CB_MODE_WIDE,
+};
+
+static int wil_rx_cb_mode_to_n_bonded(u8 cb_mode)
+{
+       switch (cb_mode) {
+       case WIL_RX_CB_MODE_DMG:
+       case WIL_RX_CB_MODE_EDMG:
+               return 1;
+       case WIL_RX_CB_MODE_WIDE:
+               return 2;
+       default:
+               return 1;
+       }
+}
+
+static int wil_tx_cb_mode_to_n_bonded(u8 cb_mode)
+{
+       switch (cb_mode) {
+       case WMI_TX_MODE_DMG:
+       case WMI_TX_MODE_EDMG_CB1:
+               return 1;
+       case WMI_TX_MODE_EDMG_CB2:
+               return 2;
+       default:
+               return 1;
+       }
+}
+
+void wil_update_supported_bands(struct wil6210_priv *wil)
+{
+       struct wiphy *wiphy = wil_to_wiphy(wil);
+
+       wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.channels = wil_edmg_channels;
+       wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.n_channels =
+                                               ARRAY_SIZE(wil_edmg_channels);
+       wiphy->bands[NL80211_BAND_60GHZ]->edmg_cap.supported = true;
+}
+
 /* Vendor id to be used in vendor specific command and events
  * to user space.
  * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,
@@ -261,6 +307,86 @@ int wil_iftype_nl2wmi(enum nl80211_iftype type)
        return -EOPNOTSUPP;
 }
 
+int wil_spec2wmi_ch(u8 spec_ch, u8 *wmi_ch)
+{
+       switch (spec_ch) {
+       case 1:
+               *wmi_ch = WMI_CHANNEL_1;
+               break;
+       case 2:
+               *wmi_ch = WMI_CHANNEL_2;
+               break;
+       case 3:
+               *wmi_ch = WMI_CHANNEL_3;
+               break;
+       case 4:
+               *wmi_ch = WMI_CHANNEL_4;
+               break;
+       case 5:
+               *wmi_ch = WMI_CHANNEL_5;
+               break;
+       case 6:
+               *wmi_ch = WMI_CHANNEL_6;
+               break;
+       case 9:
+               *wmi_ch = WMI_CHANNEL_9;
+               break;
+       case 10:
+               *wmi_ch = WMI_CHANNEL_10;
+               break;
+       case 11:
+               *wmi_ch = WMI_CHANNEL_11;
+               break;
+       case 12:
+               *wmi_ch = WMI_CHANNEL_12;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+int wil_wmi2spec_ch(u8 wmi_ch, u8 *spec_ch)
+{
+       switch (wmi_ch) {
+       case WMI_CHANNEL_1:
+               *spec_ch = 1;
+               break;
+       case WMI_CHANNEL_2:
+               *spec_ch = 2;
+               break;
+       case WMI_CHANNEL_3:
+               *spec_ch = 3;
+               break;
+       case WMI_CHANNEL_4:
+               *spec_ch = 4;
+               break;
+       case WMI_CHANNEL_5:
+               *spec_ch = 5;
+               break;
+       case WMI_CHANNEL_6:
+               *spec_ch = 6;
+               break;
+       case WMI_CHANNEL_9:
+               *spec_ch = 9;
+               break;
+       case WMI_CHANNEL_10:
+               *spec_ch = 10;
+               break;
+       case WMI_CHANNEL_11:
+               *spec_ch = 11;
+               break;
+       case WMI_CHANNEL_12:
+               *spec_ch = 12;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
 int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
                       struct station_info *sinfo)
 {
@@ -275,6 +401,7 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
        } __packed reply;
        struct wil_net_stats *stats = &wil->sta[cid].stats;
        int rc;
+       u8 txflag = RATE_INFO_FLAGS_DMG;
 
        memset(&reply, 0, sizeof(reply));
 
@@ -287,7 +414,8 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
                    "  MCS %d TSF 0x%016llx\n"
                    "  BF status 0x%08x RSSI %d SQI %d%%\n"
                    "  Tx Tpt %d goodput %d Rx goodput %d\n"
-                   "  Sectors(rx:tx) my %d:%d peer %d:%d\n""}\n",
+                   "  Sectors(rx:tx) my %d:%d peer %d:%d\n"
+                   "  Tx mode %d}\n",
                    cid, vif->mid, le16_to_cpu(reply.evt.bf_mcs),
                    le64_to_cpu(reply.evt.tsf), reply.evt.status,
                    reply.evt.rssi,
@@ -298,7 +426,8 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
                    le16_to_cpu(reply.evt.my_rx_sector),
                    le16_to_cpu(reply.evt.my_tx_sector),
                    le16_to_cpu(reply.evt.other_rx_sector),
-                   le16_to_cpu(reply.evt.other_tx_sector));
+                   le16_to_cpu(reply.evt.other_tx_sector),
+                   reply.evt.tx_mode);
 
        sinfo->generation = wil->sinfo_gen;
 
@@ -311,9 +440,16 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
                        BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) |
                        BIT_ULL(NL80211_STA_INFO_TX_FAILED);
 
-       sinfo->txrate.flags = RATE_INFO_FLAGS_DMG;
+       if (wil->use_enhanced_dma_hw && reply.evt.tx_mode != WMI_TX_MODE_DMG)
+               txflag = RATE_INFO_FLAGS_EDMG;
+
+       sinfo->txrate.flags = txflag;
        sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs);
        sinfo->rxrate.mcs = stats->last_mcs_rx;
+       sinfo->txrate.n_bonded_ch =
+                               wil_tx_cb_mode_to_n_bonded(reply.evt.tx_mode);
+       sinfo->rxrate.n_bonded_ch =
+                       wil_rx_cb_mode_to_n_bonded(stats->last_cb_mode_rx);
        sinfo->rx_bytes = stats->rx_bytes;
        sinfo->rx_packets = stats->rx_packets;
        sinfo->rx_dropped_misc = stats->rx_dropped;
@@ -888,6 +1024,30 @@ static void wil_print_connect_params(struct wil6210_priv 
*wil,
        wil_print_crypto(wil, &sme->crypto);
 }
 
+static int wil_get_wmi_edmg_channel(struct wil6210_priv *wil, u8 edmg_channel,
+                                   u8 *wmi_ch)
+{
+       int rc;
+
+       if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING,
+                     wil->fw_capabilities) && edmg_channel)
+               return -EOPNOTSUPP;
+
+       if (edmg_channel) {
+               rc = wil_spec2wmi_ch(edmg_channel, wmi_ch);
+               if (rc) {
+                       wil_err(wil, "wmi channel for spec channel %d not 
found\n",
+                               edmg_channel);
+                       return rc;
+               }
+               wil_dbg_misc(wil, "Set WMI channel %d\n", *wmi_ch);
+       } else {
+               wmi_ch = 0;
+       }
+
+       return 0;
+}
+
 static int wil_cfg80211_connect(struct wiphy *wiphy,
                                struct net_device *ndev,
                                struct cfg80211_connect_params *sme)
@@ -1007,6 +1167,11 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
        }
        conn.channel = ch - 1;
 
+       rc = wil_get_wmi_edmg_channel(wil, sme->edmg_channel,
+                                     &conn.edmg_channel);
+       if (rc)
+               return rc;
+
        ether_addr_copy(conn.bssid, bss->bssid);
        ether_addr_copy(conn.dst_mac, bss->bssid);
 
@@ -1482,7 +1647,7 @@ static int _wil_cfg80211_set_ies(struct wil6210_vif *vif,
 static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
                                  struct net_device *ndev,
                                  const u8 *ssid, size_t ssid_len, u32 privacy,
-                                 int bi, u8 chan,
+                                 int bi, u8 chan, u8 edmg_channel,
                                  struct cfg80211_beacon_data *bcon,
                                  u8 hidden_ssid, u32 pbss)
 {
@@ -1492,6 +1657,7 @@ static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
        struct wireless_dev *wdev = ndev->ieee80211_ptr;
        u8 wmi_nettype = wil_iftype_nl2wmi(wdev->iftype);
        u8 is_go = (wdev->iftype == NL80211_IFTYPE_P2P_GO);
+       u8 wmi_edmg_chan;
 
        if (pbss)
                wmi_nettype = WMI_NETTYPE_P2P;
@@ -1521,8 +1687,13 @@ static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
        if (rc)
                goto out;
 
+       rc = wil_get_wmi_edmg_channel(wil, edmg_channel, &wmi_edmg_chan);
+       if (rc)
+               goto out;
+
        vif->privacy = privacy;
        vif->channel = chan;
+       vif->edmg_channel = edmg_channel;
        vif->hidden_ssid = hidden_ssid;
        vif->pbss = pbss;
 
@@ -1530,7 +1701,8 @@ static int _wil_cfg80211_start_ap(struct wiphy *wiphy,
        if (!wil_has_other_active_ifaces(wil, ndev, false, true))
                wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
 
-       rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, hidden_ssid, is_go);
+       rc = wmi_pcp_start(vif, bi, wmi_nettype, chan, wmi_edmg_chan,
+                          hidden_ssid, is_go);
        if (rc)
                goto err_pcp_start;
 
@@ -1578,7 +1750,8 @@ static int wil_cfg80211_change_beacon(struct wiphy *wiphy,
                rc = _wil_cfg80211_start_ap(wiphy, ndev, wdev->ssid,
                                            wdev->ssid_len, privacy,
                                            wdev->beacon_interval,
-                                           vif->channel, bcon,
+                                           vif->channel,
+                                           vif->edmg_channel, bcon,
                                            vif->hidden_ssid,
                                            vif->pbss);
        } else {
@@ -1597,6 +1770,7 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
        struct ieee80211_channel *channel = info->chandef.chan;
        struct cfg80211_beacon_data *bcon = &info->beacon;
        struct cfg80211_crypto_settings *crypto = &info->crypto;
+       u8 edmg_channel = info->chandef.edmg_channel;
        u8 hidden_ssid;
 
        wil_dbg_misc(wil, "start_ap\n");
@@ -1637,10 +1811,10 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
        wil_print_bcon_data(bcon);
        wil_print_crypto(wil, crypto);
 
-       rc = _wil_cfg80211_start_ap(wiphy, ndev,
-                                   info->ssid, info->ssid_len, info->privacy,
-                                   info->beacon_interval, channel->hw_value,
-                                   bcon, hidden_ssid, info->pbss);
+       rc = _wil_cfg80211_start_ap(wiphy, ndev, info->ssid, info->ssid_len,
+                                   info->privacy, info->beacon_interval,
+                                   channel->hw_value, edmg_channel, bcon,
+                                   hidden_ssid, info->pbss);
 
        return rc;
 }
diff --git a/drivers/net/wireless/ath/wil6210/main.c 
b/drivers/net/wireless/ath/wil6210/main.c
index 4de19bd..7e2fcf3 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -1137,6 +1137,9 @@ void wil_refresh_fw_capabilities(struct wil6210_priv *wil)
 
                wil->platform_ops.set_features(wil->platform_handle, features);
        }
+
+       if (test_bit(WMI_FW_CAPABILITY_CHANNEL_BONDING, wil->fw_capabilities))
+               wil_update_supported_bands(wil);
 }
 
 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c 
b/drivers/net/wireless/ath/wil6210/txrx_edma.c
index 95f38e6..64bc0fb 100644
--- a/drivers/net/wireless/ath/wil6210/txrx_edma.c
+++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c
@@ -1002,6 +1002,8 @@ static struct sk_buff *wil_sring_reap_rx_edma(struct 
wil6210_priv *wil,
                        stats->rx_per_mcs[stats->last_mcs_rx]++;
        }
 
+       stats->last_cb_mode_rx  = wil_rx_status_get_cb_mode(msg);
+
        if (!wil->use_rx_hw_reordering && !wil->use_compressed_rx_status &&
            wil_check_bar(wil, msg, cid, skb, stats) == -EAGAIN) {
                kfree_skb(skb);
diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.h 
b/drivers/net/wireless/ath/wil6210/txrx_edma.h
index e86fc2d..e7afa8b 100644
--- a/drivers/net/wireless/ath/wil6210/txrx_edma.h
+++ b/drivers/net/wireless/ath/wil6210/txrx_edma.h
@@ -366,6 +366,12 @@ static inline u8 wil_rx_status_get_mcs(void *msg)
                            16, 21);
 }
 
+static inline u8 wil_rx_status_get_cb_mode(void *msg)
+{
+       return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1,
+                           22, 23);
+}
+
 static inline u16 wil_rx_status_get_flow_id(void *msg)
 {
        return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0,
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h 
b/drivers/net/wireless/ath/wil6210/wil6210.h
index d963c76..6baf5db 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -690,6 +690,7 @@ struct wil_net_stats {
        unsigned long   rx_key_error; /* eDMA specific */
        unsigned long   rx_amsdu_error; /* eDMA specific */
        u16 last_mcs_rx;
+       u8 last_cb_mode_rx;
        u64 rx_per_mcs[WIL_MCS_MAX + 1];
 };
 
@@ -803,6 +804,7 @@ struct wil6210_vif {
        DECLARE_BITMAP(status, wil_vif_status_last);
        u32 privacy; /* secure connection? */
        u16 channel; /* relevant in AP mode */
+       u8 edmg_channel; /* relevant in AP mode */
        u8 hidden_ssid; /* relevant in AP mode */
        u32 ap_isolate; /* no intra-BSS communication */
        bool pbss;
@@ -1236,7 +1238,7 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
 
 int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
 int wmi_pcp_start(struct wil6210_vif *vif, int bi, u8 wmi_nettype, u8 chan,
-                 u8 hidden_ssid, u8 is_go);
+                 u8 edmg_chan, u8 hidden_ssid, u8 is_go);
 int wmi_pcp_stop(struct wil6210_vif *vif);
 int wmi_led_cfg(struct wil6210_priv *wil, bool enable);
 int wmi_abort_scan(struct wil6210_vif *vif);
@@ -1305,6 +1307,8 @@ int wmi_start_sched_scan(struct wil6210_priv *wil,
 int wmi_stop_sched_scan(struct wil6210_priv *wil);
 int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len);
 
+void wil_update_supported_bands(struct wil6210_priv *wil);
+
 int reverse_memcmp(const void *cs, const void *ct, size_t count);
 
 /* WMI for enhanced DMA */
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c 
b/drivers/net/wireless/ath/wil6210/wmi.c
index 71056c8..77f0e6c 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -1628,8 +1628,8 @@ int wmi_led_cfg(struct wil6210_priv *wil, bool enable)
        return rc;
 }
 
-int wmi_pcp_start(struct wil6210_vif *vif,
-                 int bi, u8 wmi_nettype, u8 chan, u8 hidden_ssid, u8 is_go)
+int wmi_pcp_start(struct wil6210_vif *vif, int bi, u8 wmi_nettype,
+                 u8 chan, u8 edmg_chan, u8 hidden_ssid, u8 is_go)
 {
        struct wil6210_priv *wil = vif_to_wil(vif);
        int rc;
@@ -1639,6 +1639,7 @@ int wmi_pcp_start(struct wil6210_vif *vif,
                .network_type = wmi_nettype,
                .disable_sec_offload = 1,
                .channel = chan - 1,
+               .edmg_channel = edmg_chan,
                .pcp_max_assoc_sta = max_assoc_sta,
                .hidden_ssid = hidden_ssid,
                .is_go = is_go,
diff --git a/drivers/net/wireless/ath/wil6210/wmi.h 
b/drivers/net/wireless/ath/wil6210/wmi.h
index abf6f05..2018014 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.h
+++ b/drivers/net/wireless/ath/wil6210/wmi.h
@@ -84,6 +84,7 @@ enum wmi_fw_capability {
        WMI_FW_CAPABILITY_SET_SILENT_RSSI_TABLE         = 13,
        WMI_FW_CAPABILITY_LO_POWER_CALIB_FROM_OTP       = 14,
        WMI_FW_CAPABILITY_PNO                           = 15,
+       WMI_FW_CAPABILITY_CHANNEL_BONDING               = 17,
        WMI_FW_CAPABILITY_REF_CLOCK_CONTROL             = 18,
        WMI_FW_CAPABILITY_AP_SME_OFFLOAD_NONE           = 19,
        WMI_FW_CAPABILITY_AMSDU                         = 23,
@@ -313,6 +314,19 @@ enum wmi_connect_ctrl_flag_bits {
 
 #define WMI_MAX_SSID_LEN       (32)
 
+enum wmi_channel {
+       WMI_CHANNEL_1   = 0x00,
+       WMI_CHANNEL_2   = 0x01,
+       WMI_CHANNEL_3   = 0x02,
+       WMI_CHANNEL_4   = 0x03,
+       WMI_CHANNEL_5   = 0x04,
+       WMI_CHANNEL_6   = 0x05,
+       WMI_CHANNEL_9   = 0x06,
+       WMI_CHANNEL_10  = 0x07,
+       WMI_CHANNEL_11  = 0x08,
+       WMI_CHANNEL_12  = 0x09,
+};
+
 /* WMI_CONNECT_CMDID */
 struct wmi_connect_cmd {
        u8 network_type;
@@ -324,8 +338,12 @@ struct wmi_connect_cmd {
        u8 group_crypto_len;
        u8 ssid_len;
        u8 ssid[WMI_MAX_SSID_LEN];
+       /* enum wmi_channel WMI_CHANNEL_1..WMI_CHANNEL_6; for EDMG this is
+        * the primary channel number
+        */
        u8 channel;
-       u8 reserved0;
+       /* enum wmi_channel WMI_CHANNEL_9..WMI_CHANNEL_12 */
+       u8 edmg_channel;
        u8 bssid[WMI_MAC_LEN];
        __le32 ctrl_flags;
        u8 dst_mac[WMI_MAC_LEN];
@@ -643,7 +661,9 @@ struct wmi_pcp_start_cmd {
        u8 pcp_max_assoc_sta;
        u8 hidden_ssid;
        u8 is_go;
-       u8 reserved0[5];
+       /* enum wmi_channel WMI_CHANNEL_9..WMI_CHANNEL_12 */
+       u8 edmg_channel;
+       u8 reserved0[4];
        /* A-BFT length override if non-0 */
        u8 abft_len;
        /* enum wmi_ap_sme_offload_mode_e */
@@ -1876,13 +1896,24 @@ struct wmi_ready_event {
        u8 reserved[2];
 } __packed;
 
+enum wmi_edmg_tx_mode {
+       WMI_TX_MODE_DMG                 = 0x0,
+       WMI_TX_MODE_EDMG_CB1            = 0x1,
+       WMI_TX_MODE_EDMG_CB2            = 0x2,
+       WMI_TX_MODE_EDMG_CB1_LONG_LDPC  = 0x3,
+       WMI_TX_MODE_EDMG_CB2_LONG_LDPC  = 0x4,
+       WMI_TX_MODE_MAX,
+};
+
 /* WMI_NOTIFY_REQ_DONE_EVENTID */
 struct wmi_notify_req_done_event {
        /* beamforming status, 0: fail; 1: OK; 2: retrying */
        __le32 status;
        __le64 tsf;
        s8 rssi;
-       u8 reserved0[3];
+       /* enum wmi_edmg_tx_mode */
+       u8 tx_mode;
+       u8 reserved0[2];
        __le32 tx_tpt;
        __le32 tx_goodput;
        __le32 rx_goodput;
@@ -1898,8 +1929,12 @@ struct wmi_notify_req_done_event {
 
 /* WMI_CONNECT_EVENTID */
 struct wmi_connect_event {
+       /* enum wmi_channel WMI_CHANNEL_1..WMI_CHANNEL_6; for EDMG this is
+        * the primary channel number
+        */
        u8 channel;
-       u8 reserved0;
+       /* enum wmi_channel WMI_CHANNEL_9..WMI_CHANNEL_12 */
+       u8 edmg_channel;
        u8 bssid[WMI_MAC_LEN];
        __le16 listen_interval;
        __le16 beacon_interval;
-- 
1.9.1

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