summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/wil6210/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/main.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/main.c2014
1 files changed, 2014 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
new file mode 100644
index 000000000..94e61dbe9
--- /dev/null
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -0,0 +1,2014 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/moduleparam.h>
+#include <linux/if_arp.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+
+#include "wil6210.h"
+#include "txrx.h"
+#include "txrx_edma.h"
+#include "wmi.h"
+#include "boot_loader.h"
+
+#define WAIT_FOR_HALP_VOTE_MS 100
+#define WAIT_FOR_SCAN_ABORT_MS 1000
+#define WIL_DEFAULT_NUM_RX_STATUS_RINGS 1
+#define WIL_BOARD_FILE_MAX_NAMELEN 128
+
+bool debug_fw; /* = false; */
+module_param(debug_fw, bool, 0444);
+MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug");
+
+static u8 oob_mode;
+module_param(oob_mode, byte, 0444);
+MODULE_PARM_DESC(oob_mode,
+ " enable out of the box (OOB) mode in FW, for diagnostics and certification");
+
+bool no_fw_recovery;
+module_param(no_fw_recovery, bool, 0644);
+MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery");
+
+/* if not set via modparam, will be set to default value of 1/8 of
+ * rx ring size during init flow
+ */
+unsigned short rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_INIT;
+module_param(rx_ring_overflow_thrsh, ushort, 0444);
+MODULE_PARM_DESC(rx_ring_overflow_thrsh,
+ " RX ring overflow threshold in descriptors.");
+
+/* We allow allocation of more than 1 page buffers to support large packets.
+ * It is suboptimal behavior performance wise in case MTU above page size.
+ */
+unsigned int mtu_max = TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD;
+static int mtu_max_set(const char *val, const struct kernel_param *kp)
+{
+ int ret;
+
+ /* sets mtu_max directly. no need to restore it in case of
+ * illegal value since we assume this will fail insmod
+ */
+ ret = param_set_uint(val, kp);
+ if (ret)
+ return ret;
+
+ if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU)
+ ret = -EINVAL;
+
+ return ret;
+}
+
+static const struct kernel_param_ops mtu_max_ops = {
+ .set = mtu_max_set,
+ .get = param_get_uint,
+};
+
+module_param_cb(mtu_max, &mtu_max_ops, &mtu_max, 0444);
+MODULE_PARM_DESC(mtu_max, " Max MTU value.");
+
+static uint rx_ring_order;
+static uint tx_ring_order = WIL_TX_RING_SIZE_ORDER_DEFAULT;
+static uint bcast_ring_order = WIL_BCAST_RING_SIZE_ORDER_DEFAULT;
+
+static int ring_order_set(const char *val, const struct kernel_param *kp)
+{
+ int ret;
+ uint x;
+
+ ret = kstrtouint(val, 0, &x);
+ if (ret)
+ return ret;
+
+ if ((x < WIL_RING_SIZE_ORDER_MIN) || (x > WIL_RING_SIZE_ORDER_MAX))
+ return -EINVAL;
+
+ *((uint *)kp->arg) = x;
+
+ return 0;
+}
+
+static const struct kernel_param_ops ring_order_ops = {
+ .set = ring_order_set,
+ .get = param_get_uint,
+};
+
+module_param_cb(rx_ring_order, &ring_order_ops, &rx_ring_order, 0444);
+MODULE_PARM_DESC(rx_ring_order, " Rx ring order; size = 1 << order");
+module_param_cb(tx_ring_order, &ring_order_ops, &tx_ring_order, 0444);
+MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order");
+module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444);
+MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order");
+
+enum {
+ WIL_BOOT_ERR,
+ WIL_BOOT_VANILLA,
+ WIL_BOOT_PRODUCTION,
+ WIL_BOOT_DEVELOPMENT,
+};
+
+enum {
+ WIL_SIG_STATUS_VANILLA = 0x0,
+ WIL_SIG_STATUS_DEVELOPMENT = 0x1,
+ WIL_SIG_STATUS_PRODUCTION = 0x2,
+ WIL_SIG_STATUS_CORRUPTED_PRODUCTION = 0x3,
+};
+
+#define RST_DELAY (20) /* msec, for loop in @wil_wait_device_ready */
+#define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */
+
+#define PMU_READY_DELAY_MS (4) /* ms, for sleep in @wil_wait_device_ready */
+
+#define OTP_HW_DELAY (200) /* usec, loop in @wil_wait_device_ready_talyn_mb */
+/* round up to be above 2 ms total */
+#define OTP_HW_COUNT (1 + 2000 / OTP_HW_DELAY)
+
+/*
+ * Due to a hardware issue,
+ * one has to read/write to/from NIC in 32-bit chunks;
+ * regular memcpy_fromio and siblings will
+ * not work on 64-bit platform - it uses 64-bit transactions
+ *
+ * Force 32-bit transactions to enable NIC on 64-bit platforms
+ *
+ * To avoid byte swap on big endian host, __raw_{read|write}l
+ * should be used - {read|write}l would swap bytes to provide
+ * little endian on PCI value in host endianness.
+ */
+void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
+ size_t count)
+{
+ u32 *d = dst;
+ const volatile u32 __iomem *s = src;
+
+ for (; count >= 4; count -= 4)
+ *d++ = __raw_readl(s++);
+
+ if (unlikely(count)) {
+ /* count can be 1..3 */
+ u32 tmp = __raw_readl(s);
+
+ memcpy(d, &tmp, count);
+ }
+}
+
+void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
+ size_t count)
+{
+ volatile u32 __iomem *d = dst;
+ const u32 *s = src;
+
+ for (; count >= 4; count -= 4)
+ __raw_writel(*s++, d++);
+
+ if (unlikely(count)) {
+ /* count can be 1..3 */
+ u32 tmp = 0;
+
+ memcpy(&tmp, s, count);
+ __raw_writel(tmp, d);
+ }
+}
+
+/* Device memory access is prohibited while reset or suspend.
+ * wil_mem_access_lock protects accessing device memory in these cases
+ */
+int wil_mem_access_lock(struct wil6210_priv *wil)
+{
+ if (!down_read_trylock(&wil->mem_lock))
+ return -EBUSY;
+
+ if (test_bit(wil_status_suspending, wil->status) ||
+ test_bit(wil_status_suspended, wil->status)) {
+ up_read(&wil->mem_lock);
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+void wil_mem_access_unlock(struct wil6210_priv *wil)
+{
+ up_read(&wil->mem_lock);
+}
+
+static void wil_ring_fini_tx(struct wil6210_priv *wil, int id)
+{
+ struct wil_ring *ring = &wil->ring_tx[id];
+ struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id];
+
+ lockdep_assert_held(&wil->mutex);
+
+ if (!ring->va)
+ return;
+
+ wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id);
+
+ spin_lock_bh(&txdata->lock);
+ txdata->dot1x_open = false;
+ txdata->mid = U8_MAX;
+ txdata->enabled = 0; /* no Tx can be in progress or start anew */
+ spin_unlock_bh(&txdata->lock);
+ /* napi_synchronize waits for completion of the current NAPI but will
+ * not prevent the next NAPI run.
+ * Add a memory barrier to guarantee that txdata->enabled is zeroed
+ * before napi_synchronize so that the next scheduled NAPI will not
+ * handle this vring
+ */
+ wmb();
+ /* make sure NAPI won't touch this vring */
+ if (test_bit(wil_status_napi_en, wil->status))
+ napi_synchronize(&wil->napi_tx);
+
+ wil->txrx_ops.ring_fini_tx(wil, ring);
+}
+
+static bool wil_vif_is_connected(struct wil6210_priv *wil, u8 mid)
+{
+ int i;
+
+ for (i = 0; i < wil->max_assoc_sta; i++) {
+ if (wil->sta[i].mid == mid &&
+ wil->sta[i].status == wil_sta_connected)
+ return true;
+ }
+
+ return false;
+}
+
+static void wil_disconnect_cid_complete(struct wil6210_vif *vif, int cid,
+ u16 reason_code)
+__acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
+{
+ uint i;
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ struct net_device *ndev = vif_to_ndev(vif);
+ struct wireless_dev *wdev = vif_to_wdev(vif);
+ struct wil_sta_info *sta = &wil->sta[cid];
+ int min_ring_id = wil_get_min_tx_ring_id(wil);
+
+ might_sleep();
+ wil_dbg_misc(wil,
+ "disconnect_cid_complete: CID %d, MID %d, status %d\n",
+ cid, sta->mid, sta->status);
+ /* inform upper layers */
+ if (sta->status != wil_sta_unused) {
+ if (vif->mid != sta->mid) {
+ wil_err(wil, "STA MID mismatch with VIF MID(%d)\n",
+ vif->mid);
+ }
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ /* AP-like interface */
+ cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL);
+ break;
+ default:
+ break;
+ }
+ sta->status = wil_sta_unused;
+ sta->mid = U8_MAX;
+ }
+ /* reorder buffers */
+ for (i = 0; i < WIL_STA_TID_NUM; i++) {
+ struct wil_tid_ampdu_rx *r;
+
+ spin_lock_bh(&sta->tid_rx_lock);
+
+ r = sta->tid_rx[i];
+ sta->tid_rx[i] = NULL;
+ wil_tid_ampdu_rx_free(wil, r);
+
+ spin_unlock_bh(&sta->tid_rx_lock);
+ }
+ /* crypto context */
+ memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx));
+ memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx));
+ /* release vrings */
+ for (i = min_ring_id; i < ARRAY_SIZE(wil->ring_tx); i++) {
+ if (wil->ring2cid_tid[i][0] == cid)
+ wil_ring_fini_tx(wil, i);
+ }
+ /* statistics */
+ memset(&sta->stats, 0, sizeof(sta->stats));
+ sta->stats.tx_latency_min_us = U32_MAX;
+}
+
+static void _wil6210_disconnect_complete(struct wil6210_vif *vif,
+ const u8 *bssid, u16 reason_code)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ int cid = -ENOENT;
+ struct net_device *ndev;
+ struct wireless_dev *wdev;
+
+ ndev = vif_to_ndev(vif);
+ wdev = vif_to_wdev(vif);
+
+ might_sleep();
+ wil_info(wil, "disconnect_complete: bssid=%pM, reason=%d\n",
+ bssid, reason_code);
+
+ /* Cases are:
+ * - disconnect single STA, still connected
+ * - disconnect single STA, already disconnected
+ * - disconnect all
+ *
+ * For "disconnect all", there are 3 options:
+ * - bssid == NULL
+ * - bssid is broadcast address (ff:ff:ff:ff:ff:ff)
+ * - bssid is our MAC address
+ */
+ if (bssid && !is_broadcast_ether_addr(bssid) &&
+ !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) {
+ cid = wil_find_cid(wil, vif->mid, bssid);
+ wil_dbg_misc(wil,
+ "Disconnect complete %pM, CID=%d, reason=%d\n",
+ bssid, cid, reason_code);
+ if (wil_cid_valid(wil, cid)) /* disconnect 1 peer */
+ wil_disconnect_cid_complete(vif, cid, reason_code);
+ } else { /* all */
+ wil_dbg_misc(wil, "Disconnect complete all\n");
+ for (cid = 0; cid < wil->max_assoc_sta; cid++)
+ wil_disconnect_cid_complete(vif, cid, reason_code);
+ }
+
+ /* link state */
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ wil_bcast_fini(vif);
+ wil_update_net_queues_bh(wil, vif, NULL, true);
+ netif_carrier_off(ndev);
+ if (!wil_has_other_active_ifaces(wil, ndev, false, true))
+ wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
+
+ if (test_and_clear_bit(wil_vif_fwconnected, vif->status)) {
+ atomic_dec(&wil->connected_vifs);
+ cfg80211_disconnected(ndev, reason_code,
+ NULL, 0,
+ vif->locally_generated_disc,
+ GFP_KERNEL);
+ vif->locally_generated_disc = false;
+ } else if (test_bit(wil_vif_fwconnecting, vif->status)) {
+ cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ GFP_KERNEL);
+ vif->bss = NULL;
+ }
+ clear_bit(wil_vif_fwconnecting, vif->status);
+ clear_bit(wil_vif_ft_roam, vif->status);
+ vif->ptk_rekey_state = WIL_REKEY_IDLE;
+
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ if (!wil_vif_is_connected(wil, vif->mid)) {
+ wil_update_net_queues_bh(wil, vif, NULL, true);
+ if (test_and_clear_bit(wil_vif_fwconnected,
+ vif->status))
+ atomic_dec(&wil->connected_vifs);
+ } else {
+ wil_update_net_queues_bh(wil, vif, NULL, false);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static int wil_disconnect_cid(struct wil6210_vif *vif, int cid,
+ u16 reason_code)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ struct wireless_dev *wdev = vif_to_wdev(vif);
+ struct wil_sta_info *sta = &wil->sta[cid];
+ bool del_sta = false;
+
+ might_sleep();
+ wil_dbg_misc(wil, "disconnect_cid: CID %d, MID %d, status %d\n",
+ cid, sta->mid, sta->status);
+
+ if (sta->status == wil_sta_unused)
+ return 0;
+
+ if (vif->mid != sta->mid) {
+ wil_err(wil, "STA MID mismatch with VIF MID(%d)\n", vif->mid);
+ return -EINVAL;
+ }
+
+ /* inform lower layers */
+ if (wdev->iftype == NL80211_IFTYPE_AP && disable_ap_sme)
+ del_sta = true;
+
+ /* disconnect by sending command disconnect/del_sta and wait
+ * synchronously for WMI_DISCONNECT_EVENTID event.
+ */
+ return wmi_disconnect_sta(vif, sta->addr, reason_code, del_sta);
+}
+
+static void _wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid,
+ u16 reason_code)
+{
+ struct wil6210_priv *wil;
+ struct net_device *ndev;
+ int cid = -ENOENT;
+
+ if (unlikely(!vif))
+ return;
+
+ wil = vif_to_wil(vif);
+ ndev = vif_to_ndev(vif);
+
+ might_sleep();
+ wil_info(wil, "disconnect bssid=%pM, reason=%d\n", bssid, reason_code);
+
+ /* Cases are:
+ * - disconnect single STA, still connected
+ * - disconnect single STA, already disconnected
+ * - disconnect all
+ *
+ * For "disconnect all", there are 3 options:
+ * - bssid == NULL
+ * - bssid is broadcast address (ff:ff:ff:ff:ff:ff)
+ * - bssid is our MAC address
+ */
+ if (bssid && !is_broadcast_ether_addr(bssid) &&
+ !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) {
+ cid = wil_find_cid(wil, vif->mid, bssid);
+ wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n",
+ bssid, cid, reason_code);
+ if (wil_cid_valid(wil, cid)) /* disconnect 1 peer */
+ wil_disconnect_cid(vif, cid, reason_code);
+ } else { /* all */
+ wil_dbg_misc(wil, "Disconnect all\n");
+ for (cid = 0; cid < wil->max_assoc_sta; cid++)
+ wil_disconnect_cid(vif, cid, reason_code);
+ }
+
+ /* call event handler manually after processing wmi_call,
+ * to avoid deadlock - disconnect event handler acquires
+ * wil->mutex while it is already held here
+ */
+ _wil6210_disconnect_complete(vif, bssid, reason_code);
+}
+
+void wil_disconnect_worker(struct work_struct *work)
+{
+ struct wil6210_vif *vif = container_of(work,
+ struct wil6210_vif, disconnect_worker);
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ struct net_device *ndev = vif_to_ndev(vif);
+ int rc;
+ struct {
+ struct wmi_cmd_hdr wmi;
+ struct wmi_disconnect_event evt;
+ } __packed reply;
+
+ if (test_bit(wil_vif_fwconnected, vif->status))
+ /* connect succeeded after all */
+ return;
+
+ if (!test_bit(wil_vif_fwconnecting, vif->status))
+ /* already disconnected */
+ return;
+
+ memset(&reply, 0, sizeof(reply));
+
+ rc = wmi_call(wil, WMI_DISCONNECT_CMDID, vif->mid, NULL, 0,
+ WMI_DISCONNECT_EVENTID, &reply, sizeof(reply),
+ WIL6210_DISCONNECT_TO_MS);
+ if (rc) {
+ wil_err(wil, "disconnect error %d\n", rc);
+ return;
+ }
+
+ wil_update_net_queues_bh(wil, vif, NULL, true);
+ netif_carrier_off(ndev);
+ cfg80211_connect_result(ndev, NULL, NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL);
+ clear_bit(wil_vif_fwconnecting, vif->status);
+}
+
+static int wil_wait_for_recovery(struct wil6210_priv *wil)
+{
+ if (wait_event_interruptible(wil->wq, wil->recovery_state !=
+ fw_recovery_pending)) {
+ wil_err(wil, "Interrupt, canceling recovery\n");
+ return -ERESTARTSYS;
+ }
+ if (wil->recovery_state != fw_recovery_running) {
+ wil_info(wil, "Recovery cancelled\n");
+ return -EINTR;
+ }
+ wil_info(wil, "Proceed with recovery\n");
+ return 0;
+}
+
+void wil_set_recovery_state(struct wil6210_priv *wil, int state)
+{
+ wil_dbg_misc(wil, "set_recovery_state: %d -> %d\n",
+ wil->recovery_state, state);
+
+ wil->recovery_state = state;
+ wake_up_interruptible(&wil->wq);
+}
+
+bool wil_is_recovery_blocked(struct wil6210_priv *wil)
+{
+ return no_fw_recovery && (wil->recovery_state == fw_recovery_pending);
+}
+
+static void wil_fw_error_worker(struct work_struct *work)
+{
+ struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
+ fw_error_worker);
+ struct net_device *ndev = wil->main_ndev;
+ struct wireless_dev *wdev;
+
+ wil_dbg_misc(wil, "fw error worker\n");
+
+ if (!ndev || !(ndev->flags & IFF_UP)) {
+ wil_info(wil, "No recovery - interface is down\n");
+ return;
+ }
+ wdev = ndev->ieee80211_ptr;
+
+ /* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO
+ * passed since last recovery attempt
+ */
+ if (time_is_after_jiffies(wil->last_fw_recovery +
+ WIL6210_FW_RECOVERY_TO))
+ wil->recovery_count++;
+ else
+ wil->recovery_count = 1; /* fw was alive for a long time */
+
+ if (wil->recovery_count > WIL6210_FW_RECOVERY_RETRIES) {
+ wil_err(wil, "too many recovery attempts (%d), giving up\n",
+ wil->recovery_count);
+ return;
+ }
+
+ wil->last_fw_recovery = jiffies;
+
+ wil_info(wil, "fw error recovery requested (try %d)...\n",
+ wil->recovery_count);
+ if (!no_fw_recovery)
+ wil->recovery_state = fw_recovery_running;
+ if (wil_wait_for_recovery(wil) != 0)
+ return;
+
+ rtnl_lock();
+ mutex_lock(&wil->mutex);
+ /* Needs adaptation for multiple VIFs
+ * need to go over all VIFs and consider the appropriate
+ * recovery because each one can have different iftype.
+ */
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_MONITOR:
+ /* silent recovery, upper layers will see disconnect */
+ __wil_down(wil);
+ __wil_up(wil);
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ if (no_fw_recovery) /* upper layers do recovery */
+ break;
+ /* silent recovery, upper layers will see disconnect */
+ __wil_down(wil);
+ __wil_up(wil);
+ mutex_unlock(&wil->mutex);
+ wil_cfg80211_ap_recovery(wil);
+ mutex_lock(&wil->mutex);
+ wil_info(wil, "... completed\n");
+ break;
+ default:
+ wil_err(wil, "No recovery - unknown interface type %d\n",
+ wdev->iftype);
+ break;
+ }
+
+ mutex_unlock(&wil->mutex);
+ rtnl_unlock();
+}
+
+static int wil_find_free_ring(struct wil6210_priv *wil)
+{
+ int i;
+ int min_ring_id = wil_get_min_tx_ring_id(wil);
+
+ for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) {
+ if (!wil->ring_tx[i].va)
+ return i;
+ }
+ return -EINVAL;
+}
+
+int wil_ring_init_tx(struct wil6210_vif *vif, int cid)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ int rc = -EINVAL, ringid;
+
+ if (cid < 0) {
+ wil_err(wil, "No connection pending\n");
+ goto out;
+ }
+ ringid = wil_find_free_ring(wil);
+ if (ringid < 0) {
+ wil_err(wil, "No free vring found\n");
+ goto out;
+ }
+
+ wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n",
+ cid, vif->mid, ringid);
+
+ rc = wil->txrx_ops.ring_init_tx(vif, ringid, 1 << tx_ring_order,
+ cid, 0);
+ if (rc)
+ wil_err(wil, "init TX for CID %d MID %d vring %d failed\n",
+ cid, vif->mid, ringid);
+
+out:
+ return rc;
+}
+
+int wil_bcast_init(struct wil6210_vif *vif)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ int ri = vif->bcast_ring, rc;
+
+ if (ri >= 0 && wil->ring_tx[ri].va)
+ return 0;
+
+ ri = wil_find_free_ring(wil);
+ if (ri < 0)
+ return ri;
+
+ vif->bcast_ring = ri;
+ rc = wil->txrx_ops.ring_init_bcast(vif, ri, 1 << bcast_ring_order);
+ if (rc)
+ vif->bcast_ring = -1;
+
+ return rc;
+}
+
+void wil_bcast_fini(struct wil6210_vif *vif)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ int ri = vif->bcast_ring;
+
+ if (ri < 0)
+ return;
+
+ vif->bcast_ring = -1;
+ wil_ring_fini_tx(wil, ri);
+}
+
+void wil_bcast_fini_all(struct wil6210_priv *wil)
+{
+ int i;
+ struct wil6210_vif *vif;
+
+ for (i = 0; i < GET_MAX_VIFS(wil); i++) {
+ vif = wil->vifs[i];
+ if (vif)
+ wil_bcast_fini(vif);
+ }
+}
+
+int wil_priv_init(struct wil6210_priv *wil)
+{
+ uint i;
+
+ wil_dbg_misc(wil, "priv_init\n");
+
+ memset(wil->sta, 0, sizeof(wil->sta));
+ for (i = 0; i < WIL6210_MAX_CID; i++) {
+ spin_lock_init(&wil->sta[i].tid_rx_lock);
+ wil->sta[i].mid = U8_MAX;
+ }
+
+ for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
+ spin_lock_init(&wil->ring_tx_data[i].lock);
+ wil->ring2cid_tid[i][0] = WIL6210_MAX_CID;
+ }
+
+ mutex_init(&wil->mutex);
+ mutex_init(&wil->vif_mutex);
+ mutex_init(&wil->wmi_mutex);
+ mutex_init(&wil->halp.lock);
+
+ init_completion(&wil->wmi_ready);
+ init_completion(&wil->wmi_call);
+ init_completion(&wil->halp.comp);
+
+ INIT_WORK(&wil->wmi_event_worker, wmi_event_worker);
+ INIT_WORK(&wil->fw_error_worker, wil_fw_error_worker);
+
+ INIT_LIST_HEAD(&wil->pending_wmi_ev);
+ spin_lock_init(&wil->wmi_ev_lock);
+ spin_lock_init(&wil->net_queue_lock);
+ spin_lock_init(&wil->eap_lock);
+
+ init_waitqueue_head(&wil->wq);
+ init_rwsem(&wil->mem_lock);
+
+ wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi");
+ if (!wil->wmi_wq)
+ return -EAGAIN;
+
+ wil->wq_service = create_singlethread_workqueue(WIL_NAME "_service");
+ if (!wil->wq_service)
+ goto out_wmi_wq;
+
+ wil->last_fw_recovery = jiffies;
+ wil->tx_interframe_timeout = WIL6210_ITR_TX_INTERFRAME_TIMEOUT_DEFAULT;
+ wil->rx_interframe_timeout = WIL6210_ITR_RX_INTERFRAME_TIMEOUT_DEFAULT;
+ wil->tx_max_burst_duration = WIL6210_ITR_TX_MAX_BURST_DURATION_DEFAULT;
+ wil->rx_max_burst_duration = WIL6210_ITR_RX_MAX_BURST_DURATION_DEFAULT;
+
+ if (rx_ring_overflow_thrsh == WIL6210_RX_HIGH_TRSH_INIT)
+ rx_ring_overflow_thrsh = WIL6210_RX_HIGH_TRSH_DEFAULT;
+
+ wil->ps_profile = WMI_PS_PROFILE_TYPE_DEFAULT;
+
+ wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST |
+ WMI_WAKEUP_TRIGGER_BCAST;
+ memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
+ wil->ring_idle_trsh = 16;
+
+ wil->reply_mid = U8_MAX;
+ wil->max_vifs = 1;
+ wil->max_assoc_sta = max_assoc_sta;
+
+ /* edma configuration can be updated via debugfs before allocation */
+ wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS;
+ wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT;
+
+ /* Rx status ring size should be bigger than the number of RX buffers
+ * in order to prevent backpressure on the status ring, which may
+ * cause HW freeze.
+ */
+ wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT;
+ /* Number of RX buffer IDs should be bigger than the RX descriptor
+ * ring size as in HW reorder flow, the HW can consume additional
+ * buffers before releasing the previous ones.
+ */
+ wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT;
+
+ wil->amsdu_en = true;
+
+ return 0;
+
+out_wmi_wq:
+ destroy_workqueue(wil->wmi_wq);
+
+ return -EAGAIN;
+}
+
+void wil6210_bus_request(struct wil6210_priv *wil, u32 kbps)
+{
+ if (wil->platform_ops.bus_request) {
+ wil->bus_request_kbps = kbps;
+ wil->platform_ops.bus_request(wil->platform_handle, kbps);
+ }
+}
+
+/**
+ * wil6210_disconnect - disconnect one connection
+ * @vif: virtual interface context
+ * @bssid: peer to disconnect, NULL to disconnect all
+ * @reason_code: Reason code for the Disassociation frame
+ *
+ * Disconnect and release associated resources. Issue WMI
+ * command(s) to trigger MAC disconnect. When command was issued
+ * successfully, call the wil6210_disconnect_complete function
+ * to handle the event synchronously
+ */
+void wil6210_disconnect(struct wil6210_vif *vif, const u8 *bssid,
+ u16 reason_code)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+
+ wil_dbg_misc(wil, "disconnecting\n");
+
+ del_timer_sync(&vif->connect_timer);
+ _wil6210_disconnect(vif, bssid, reason_code);
+}
+
+/**
+ * wil6210_disconnect_complete - handle disconnect event
+ * @vif: virtual interface context
+ * @bssid: peer to disconnect, NULL to disconnect all
+ * @reason_code: Reason code for the Disassociation frame
+ *
+ * Release associated resources and indicate upper layers the
+ * connection is terminated.
+ */
+void wil6210_disconnect_complete(struct wil6210_vif *vif, const u8 *bssid,
+ u16 reason_code)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+
+ wil_dbg_misc(wil, "got disconnect\n");
+
+ del_timer_sync(&vif->connect_timer);
+ _wil6210_disconnect_complete(vif, bssid, reason_code);
+}
+
+void wil_priv_deinit(struct wil6210_priv *wil)
+{
+ wil_dbg_misc(wil, "priv_deinit\n");
+
+ wil_set_recovery_state(wil, fw_recovery_idle);
+ cancel_work_sync(&wil->fw_error_worker);
+ wmi_event_flush(wil);
+ destroy_workqueue(wil->wq_service);
+ destroy_workqueue(wil->wmi_wq);
+ kfree(wil->brd_info);
+}
+
+static void wil_shutdown_bl(struct wil6210_priv *wil)
+{
+ u32 val;
+
+ wil_s(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v1,
+ bl_shutdown_handshake), BL_SHUTDOWN_HS_GRTD);
+
+ usleep_range(100, 150);
+
+ val = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v1,
+ bl_shutdown_handshake));
+ if (val & BL_SHUTDOWN_HS_RTD) {
+ wil_dbg_misc(wil, "BL is ready for halt\n");
+ return;
+ }
+
+ wil_err(wil, "BL did not report ready for halt\n");
+}
+
+/* this format is used by ARC embedded CPU for instruction memory */
+static inline u32 ARC_me_imm32(u32 d)
+{
+ return ((d & 0xffff0000) >> 16) | ((d & 0x0000ffff) << 16);
+}
+
+/* defines access to interrupt vectors for wil_freeze_bl */
+#define ARC_IRQ_VECTOR_OFFSET(N) ((N) * 8)
+/* ARC long jump instruction */
+#define ARC_JAL_INST (0x20200f80)
+
+static void wil_freeze_bl(struct wil6210_priv *wil)
+{
+ u32 jal, upc, saved;
+ u32 ivt3 = ARC_IRQ_VECTOR_OFFSET(3);
+
+ jal = wil_r(wil, wil->iccm_base + ivt3);
+ if (jal != ARC_me_imm32(ARC_JAL_INST)) {
+ wil_dbg_misc(wil, "invalid IVT entry found, skipping\n");
+ return;
+ }
+
+ /* prevent the target from entering deep sleep
+ * and disabling memory access
+ */
+ saved = wil_r(wil, RGF_USER_USAGE_8);
+ wil_w(wil, RGF_USER_USAGE_8, saved | BIT_USER_PREVENT_DEEP_SLEEP);
+ usleep_range(20, 25); /* let the BL process the bit */
+
+ /* redirect to endless loop in the INT_L1 context and let it trap */
+ wil_w(wil, wil->iccm_base + ivt3 + 4, ARC_me_imm32(ivt3));
+ usleep_range(20, 25); /* let the BL get into the trap */
+
+ /* verify the BL is frozen */
+ upc = wil_r(wil, RGF_USER_CPU_PC);
+ if (upc < ivt3 || (upc > (ivt3 + 8)))
+ wil_dbg_misc(wil, "BL freeze failed, PC=0x%08X\n", upc);
+
+ wil_w(wil, RGF_USER_USAGE_8, saved);
+}
+
+static void wil_bl_prepare_halt(struct wil6210_priv *wil)
+{
+ u32 tmp, ver;
+
+ /* before halting device CPU driver must make sure BL is not accessing
+ * host memory. This is done differently depending on BL version:
+ * 1. For very old BL versions the procedure is skipped
+ * (not supported).
+ * 2. For old BL version we use a special trick to freeze the BL
+ * 3. For new BL versions we shutdown the BL using handshake procedure.
+ */
+ tmp = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v0,
+ boot_loader_struct_version));
+ if (!tmp) {
+ wil_dbg_misc(wil, "old BL, skipping halt preparation\n");
+ return;
+ }
+
+ tmp = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v1,
+ bl_shutdown_handshake));
+ ver = BL_SHUTDOWN_HS_PROT_VER(tmp);
+
+ if (ver > 0)
+ wil_shutdown_bl(wil);
+ else
+ wil_freeze_bl(wil);
+}
+
+static inline void wil_halt_cpu(struct wil6210_priv *wil)
+{
+ if (wil->hw_version >= HW_VER_TALYN_MB) {
+ wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB,
+ BIT_USER_USER_CPU_MAN_RST);
+ wil_w(wil, RGF_USER_MAC_CPU_0_TALYN_MB,
+ BIT_USER_MAC_CPU_MAN_RST);
+ } else {
+ wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST);
+ wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST);
+ }
+}
+
+static inline void wil_release_cpu(struct wil6210_priv *wil)
+{
+ /* Start CPU */
+ if (wil->hw_version >= HW_VER_TALYN_MB)
+ wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 1);
+ else
+ wil_w(wil, RGF_USER_USER_CPU_0, 1);
+}
+
+static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode)
+{
+ wil_info(wil, "oob_mode to %d\n", mode);
+ switch (mode) {
+ case 0:
+ wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE |
+ BIT_USER_OOB_R2_MODE);
+ break;
+ case 1:
+ wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE);
+ wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
+ break;
+ case 2:
+ wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
+ wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_R2_MODE);
+ break;
+ default:
+ wil_err(wil, "invalid oob_mode: %d\n", mode);
+ }
+}
+
+static int wil_wait_device_ready(struct wil6210_priv *wil, int no_flash)
+{
+ int delay = 0;
+ u32 x, x1 = 0;
+
+ /* wait until device ready. */
+ if (no_flash) {
+ msleep(PMU_READY_DELAY_MS);
+
+ wil_dbg_misc(wil, "Reset completed\n");
+ } else {
+ do {
+ msleep(RST_DELAY);
+ x = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v0,
+ boot_loader_ready));
+ if (x1 != x) {
+ wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n",
+ x1, x);
+ x1 = x;
+ }
+ if (delay++ > RST_COUNT) {
+ wil_err(wil, "Reset not completed, bl.ready 0x%08x\n",
+ x);
+ return -ETIME;
+ }
+ } while (x != BL_READY);
+
+ wil_dbg_misc(wil, "Reset completed in %d ms\n",
+ delay * RST_DELAY);
+ }
+
+ return 0;
+}
+
+static int wil_wait_device_ready_talyn_mb(struct wil6210_priv *wil)
+{
+ u32 otp_hw;
+ u8 signature_status;
+ bool otp_signature_err;
+ bool hw_section_done;
+ u32 otp_qc_secured;
+ int delay = 0;
+
+ /* Wait for OTP signature test to complete */
+ usleep_range(2000, 2200);
+
+ wil->boot_config = WIL_BOOT_ERR;
+
+ /* Poll until OTP signature status is valid.
+ * In vanilla and development modes, when signature test is complete
+ * HW sets BIT_OTP_SIGNATURE_ERR_TALYN_MB.
+ * In production mode BIT_OTP_SIGNATURE_ERR_TALYN_MB remains 0, poll
+ * for signature status change to 2 or 3.
+ */
+ do {
+ otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1);
+ signature_status = WIL_GET_BITS(otp_hw, 8, 9);
+ otp_signature_err = otp_hw & BIT_OTP_SIGNATURE_ERR_TALYN_MB;
+
+ if (otp_signature_err &&
+ signature_status == WIL_SIG_STATUS_VANILLA) {
+ wil->boot_config = WIL_BOOT_VANILLA;
+ break;
+ }
+ if (otp_signature_err &&
+ signature_status == WIL_SIG_STATUS_DEVELOPMENT) {
+ wil->boot_config = WIL_BOOT_DEVELOPMENT;
+ break;
+ }
+ if (!otp_signature_err &&
+ signature_status == WIL_SIG_STATUS_PRODUCTION) {
+ wil->boot_config = WIL_BOOT_PRODUCTION;
+ break;
+ }
+ if (!otp_signature_err &&
+ signature_status ==
+ WIL_SIG_STATUS_CORRUPTED_PRODUCTION) {
+ /* Unrecognized OTP signature found. Possibly a
+ * corrupted production signature, access control
+ * is applied as in production mode, therefore
+ * do not fail
+ */
+ wil->boot_config = WIL_BOOT_PRODUCTION;
+ break;
+ }
+ if (delay++ > OTP_HW_COUNT)
+ break;
+
+ usleep_range(OTP_HW_DELAY, OTP_HW_DELAY + 10);
+ } while (!otp_signature_err && signature_status == 0);
+
+ if (wil->boot_config == WIL_BOOT_ERR) {
+ wil_err(wil,
+ "invalid boot config, signature_status %d otp_signature_err %d\n",
+ signature_status, otp_signature_err);
+ return -ETIME;
+ }
+
+ wil_dbg_misc(wil,
+ "signature test done in %d usec, otp_hw 0x%x, boot_config %d\n",
+ delay * OTP_HW_DELAY, otp_hw, wil->boot_config);
+
+ if (wil->boot_config == WIL_BOOT_VANILLA)
+ /* Assuming not SPI boot (currently not supported) */
+ goto out;
+
+ hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB;
+ delay = 0;
+
+ while (!hw_section_done) {
+ msleep(RST_DELAY);
+
+ otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1);
+ hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB;
+
+ if (delay++ > RST_COUNT) {
+ wil_err(wil, "TO waiting for hw_section_done\n");
+ return -ETIME;
+ }
+ }
+
+ wil_dbg_misc(wil, "HW section done in %d ms\n", delay * RST_DELAY);
+
+ otp_qc_secured = wil_r(wil, RGF_OTP_QC_SECURED);
+ wil->secured_boot = otp_qc_secured & BIT_BOOT_FROM_ROM ? 1 : 0;
+ wil_dbg_misc(wil, "secured boot is %sabled\n",
+ wil->secured_boot ? "en" : "dis");
+
+out:
+ wil_dbg_misc(wil, "Reset completed\n");
+
+ return 0;
+}
+
+static int wil_target_reset(struct wil6210_priv *wil, int no_flash)
+{
+ u32 x;
+ int rc;
+
+ wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name);
+
+ if (wil->hw_version < HW_VER_TALYN) {
+ /* Clear MAC link up */
+ wil_s(wil, RGF_HP_CTRL, BIT(15));
+ wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0,
+ BIT_HPAL_PERST_FROM_PAD);
+ wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
+ }
+
+ wil_halt_cpu(wil);
+
+ if (!no_flash) {
+ /* clear all boot loader "ready" bits */
+ wil_w(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v0,
+ boot_loader_ready), 0);
+ /* this should be safe to write even with old BLs */
+ wil_w(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v1,
+ bl_shutdown_handshake), 0);
+ }
+ /* Clear Fw Download notification */
+ wil_c(wil, RGF_USER_USAGE_6, BIT(0));
+
+ wil_s(wil, RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN);
+ /* XTAL stabilization should take about 3ms */
+ usleep_range(5000, 7000);
+ x = wil_r(wil, RGF_CAF_PLL_LOCK_STATUS);
+ if (!(x & BIT_CAF_OSC_DIG_XTAL_STABLE)) {
+ wil_err(wil, "Xtal stabilization timeout\n"
+ "RGF_CAF_PLL_LOCK_STATUS = 0x%08x\n", x);
+ return -ETIME;
+ }
+ /* switch 10k to XTAL*/
+ wil_c(wil, RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF);
+ /* 40 MHz */
+ wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL);
+
+ wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f);
+ wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf);
+
+ if (wil->hw_version >= HW_VER_TALYN_MB) {
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x7e000000);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0xc00000f0);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00);
+ } else {
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xfe000000);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00);
+ }
+
+ wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0);
+ wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0);
+
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0);
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
+
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x00000003);
+ /* reset A2 PCIE AHB */
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x00008000);
+
+ wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0);
+
+ if (wil->hw_version == HW_VER_TALYN_MB)
+ rc = wil_wait_device_ready_talyn_mb(wil);
+ else
+ rc = wil_wait_device_ready(wil, no_flash);
+ if (rc)
+ return rc;
+
+ wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);
+
+ /* enable fix for HW bug related to the SA/DA swap in AP Rx */
+ wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN |
+ BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC);
+
+ if (wil->hw_version < HW_VER_TALYN_MB && no_flash) {
+ /* Reset OTP HW vectors to fit 40MHz */
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME3, 0x1);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME4, 0x20027);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME5, 0x30003);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME6, 0x20002);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME7, 0x60001);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME8, 0x60001);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME9, 0x60001);
+ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME10, 0x60001);
+ wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57);
+ }
+
+ return 0;
+}
+
+static void wil_collect_fw_info(struct wil6210_priv *wil)
+{
+ struct wiphy *wiphy = wil_to_wiphy(wil);
+ u8 retry_short;
+ int rc;
+
+ wil_refresh_fw_capabilities(wil);
+
+ rc = wmi_get_mgmt_retry(wil, &retry_short);
+ if (!rc) {
+ wiphy->retry_short = retry_short;
+ wil_dbg_misc(wil, "FW retry_short: %d\n", retry_short);
+ }
+}
+
+void wil_refresh_fw_capabilities(struct wil6210_priv *wil)
+{
+ struct wiphy *wiphy = wil_to_wiphy(wil);
+ int features;
+
+ wil->keep_radio_on_during_sleep =
+ test_bit(WIL_PLATFORM_CAPA_RADIO_ON_IN_SUSPEND,
+ wil->platform_capa) &&
+ test_bit(WMI_FW_CAPABILITY_D3_SUSPEND, wil->fw_capabilities);
+
+ wil_info(wil, "keep_radio_on_during_sleep (%d)\n",
+ wil->keep_radio_on_during_sleep);
+
+ if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities))
+ wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+ else
+ wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC;
+
+ if (test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) {
+ wiphy->max_sched_scan_reqs = 1;
+ wiphy->max_sched_scan_ssids = WMI_MAX_PNO_SSID_NUM;
+ wiphy->max_match_sets = WMI_MAX_PNO_SSID_NUM;
+ wiphy->max_sched_scan_ie_len = WMI_MAX_IE_LEN;
+ wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM;
+ }
+
+ if (test_bit(WMI_FW_CAPABILITY_TX_REQ_EXT, wil->fw_capabilities))
+ wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX;
+
+ if (wil->platform_ops.set_features) {
+ features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL,
+ wil->fw_capabilities) &&
+ test_bit(WIL_PLATFORM_CAPA_EXT_CLK,
+ wil->platform_capa)) ?
+ BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0;
+
+ if (wil->n_msi == 3)
+ features |= BIT(WIL_PLATFORM_FEATURE_TRIPLE_MSI);
+
+ wil->platform_ops.set_features(wil->platform_handle, features);
+ }
+
+ if (test_bit(WMI_FW_CAPABILITY_BACK_WIN_SIZE_64,
+ wil->fw_capabilities)) {
+ wil->max_agg_wsize = WIL_MAX_AGG_WSIZE_64;
+ wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE_128;
+ } else {
+ wil->max_agg_wsize = WIL_MAX_AGG_WSIZE;
+ wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE;
+ }
+
+ update_supported_bands(wil);
+}
+
+void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)
+{
+ le32_to_cpus(&r->base);
+ le16_to_cpus(&r->entry_size);
+ le16_to_cpus(&r->size);
+ le32_to_cpus(&r->tail);
+ le32_to_cpus(&r->head);
+}
+
+/* construct actual board file name to use */
+void wil_get_board_file(struct wil6210_priv *wil, char *buf, size_t len)
+{
+ const char *board_file;
+ const char *wil_talyn_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN :
+ WIL_FW_NAME_TALYN;
+
+ if (wil->board_file) {
+ board_file = wil->board_file;
+ } else {
+ /* If specific FW file is used for Talyn,
+ * use specific board file
+ */
+ if (strcmp(wil->wil_fw_name, wil_talyn_fw_name) == 0)
+ board_file = WIL_BRD_NAME_TALYN;
+ else
+ board_file = WIL_BOARD_FILE_NAME;
+ }
+
+ strscpy(buf, board_file, len);
+}
+
+static int wil_get_bl_info(struct wil6210_priv *wil)
+{
+ struct net_device *ndev = wil->main_ndev;
+ struct wiphy *wiphy = wil_to_wiphy(wil);
+ union {
+ struct bl_dedicated_registers_v0 bl0;
+ struct bl_dedicated_registers_v1 bl1;
+ } bl;
+ u32 bl_ver;
+ u8 *mac;
+ u16 rf_status;
+
+ wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL),
+ sizeof(bl));
+ bl_ver = le32_to_cpu(bl.bl0.boot_loader_struct_version);
+ mac = bl.bl0.mac_address;
+
+ if (bl_ver == 0) {
+ le32_to_cpus(&bl.bl0.rf_type);
+ le32_to_cpus(&bl.bl0.baseband_type);
+ rf_status = 0; /* actually, unknown */
+ wil_info(wil,
+ "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n",
+ bl_ver, mac,
+ bl.bl0.rf_type, bl.bl0.baseband_type);
+ wil_info(wil, "Boot Loader build unknown for struct v0\n");
+ } else {
+ le16_to_cpus(&bl.bl1.rf_type);
+ rf_status = le16_to_cpu(bl.bl1.rf_status);
+ le32_to_cpus(&bl.bl1.baseband_type);
+ le16_to_cpus(&bl.bl1.bl_version_subminor);
+ le16_to_cpus(&bl.bl1.bl_version_build);
+ wil_info(wil,
+ "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n",
+ bl_ver, mac,
+ bl.bl1.rf_type, rf_status,
+ bl.bl1.baseband_type);
+ wil_info(wil, "Boot Loader build %d.%d.%d.%d\n",
+ bl.bl1.bl_version_major, bl.bl1.bl_version_minor,
+ bl.bl1.bl_version_subminor, bl.bl1.bl_version_build);
+ }
+
+ if (!is_valid_ether_addr(mac)) {
+ wil_err(wil, "BL: Invalid MAC %pM\n", mac);
+ return -EINVAL;
+ }
+
+ ether_addr_copy(ndev->perm_addr, mac);
+ ether_addr_copy(wiphy->perm_addr, mac);
+ if (!is_valid_ether_addr(ndev->dev_addr))
+ eth_hw_addr_set(ndev, mac);
+
+ if (rf_status) {/* bad RF cable? */
+ wil_err(wil, "RF communication error 0x%04x",
+ rf_status);
+ return -EAGAIN;
+ }
+
+ return 0;
+}
+
+static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err)
+{
+ u32 bl_assert_code, bl_assert_blink, bl_magic_number;
+ u32 bl_ver = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v0,
+ boot_loader_struct_version));
+
+ if (bl_ver < 2)
+ return;
+
+ bl_assert_code = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v1,
+ bl_assert_code));
+ bl_assert_blink = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v1,
+ bl_assert_blink));
+ bl_magic_number = wil_r(wil, RGF_USER_BL +
+ offsetof(struct bl_dedicated_registers_v1,
+ bl_magic_number));
+
+ if (is_err) {
+ wil_err(wil,
+ "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n",
+ bl_assert_code, bl_assert_blink, bl_magic_number);
+ } else {
+ wil_dbg_misc(wil,
+ "BL assert code 0x%08x blink 0x%08x magic 0x%08x\n",
+ bl_assert_code, bl_assert_blink, bl_magic_number);
+ }
+}
+
+static int wil_get_otp_info(struct wil6210_priv *wil)
+{
+ struct net_device *ndev = wil->main_ndev;
+ struct wiphy *wiphy = wil_to_wiphy(wil);
+ u8 mac[8];
+ int mac_addr;
+
+ /* OEM MAC has precedence */
+ mac_addr = RGF_OTP_OEM_MAC;
+ wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), sizeof(mac));
+
+ if (is_valid_ether_addr(mac)) {
+ wil_info(wil, "using OEM MAC %pM\n", mac);
+ } else {
+ if (wil->hw_version >= HW_VER_TALYN_MB)
+ mac_addr = RGF_OTP_MAC_TALYN_MB;
+ else
+ mac_addr = RGF_OTP_MAC;
+
+ wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr),
+ sizeof(mac));
+ }
+
+ if (!is_valid_ether_addr(mac)) {
+ wil_err(wil, "Invalid MAC %pM\n", mac);
+ return -EINVAL;
+ }
+
+ ether_addr_copy(ndev->perm_addr, mac);
+ ether_addr_copy(wiphy->perm_addr, mac);
+ if (!is_valid_ether_addr(ndev->dev_addr))
+ eth_hw_addr_set(ndev, mac);
+
+ return 0;
+}
+
+static int wil_wait_for_fw_ready(struct wil6210_priv *wil)
+{
+ ulong to = msecs_to_jiffies(2000);
+ ulong left = wait_for_completion_timeout(&wil->wmi_ready, to);
+
+ if (0 == left) {
+ wil_err(wil, "Firmware not ready\n");
+ return -ETIME;
+ } else {
+ wil_info(wil, "FW ready after %d ms. HW version 0x%08x\n",
+ jiffies_to_msecs(to-left), wil->hw_version);
+ }
+ return 0;
+}
+
+void wil_abort_scan(struct wil6210_vif *vif, bool sync)
+{
+ struct wil6210_priv *wil = vif_to_wil(vif);
+ int rc;
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
+ lockdep_assert_held(&wil->vif_mutex);
+
+ if (!vif->scan_request)
+ return;
+
+ wil_dbg_misc(wil, "Abort scan_request 0x%p\n", vif->scan_request);
+ del_timer_sync(&vif->scan_timer);
+ mutex_unlock(&wil->vif_mutex);
+ rc = wmi_abort_scan(vif);
+ if (!rc && sync)
+ wait_event_interruptible_timeout(wil->wq, !vif->scan_request,
+ msecs_to_jiffies(
+ WAIT_FOR_SCAN_ABORT_MS));
+
+ mutex_lock(&wil->vif_mutex);
+ if (vif->scan_request) {
+ cfg80211_scan_done(vif->scan_request, &info);
+ vif->scan_request = NULL;
+ }
+}
+
+void wil_abort_scan_all_vifs(struct wil6210_priv *wil, bool sync)
+{
+ int i;
+
+ lockdep_assert_held(&wil->vif_mutex);
+
+ for (i = 0; i < GET_MAX_VIFS(wil); i++) {
+ struct wil6210_vif *vif = wil->vifs[i];
+
+ if (vif)
+ wil_abort_scan(vif, sync);
+ }
+}
+
+int wil_ps_update(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile)
+{
+ int rc;
+
+ if (!test_bit(WMI_FW_CAPABILITY_PS_CONFIG, wil->fw_capabilities)) {
+ wil_err(wil, "set_power_mgmt not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ rc = wmi_ps_dev_profile_cfg(wil, ps_profile);
+ if (rc)
+ wil_err(wil, "wmi_ps_dev_profile_cfg failed (%d)\n", rc);
+ else
+ wil->ps_profile = ps_profile;
+
+ return rc;
+}
+
+static void wil_pre_fw_config(struct wil6210_priv *wil)
+{
+ wil_clear_fw_log_addr(wil);
+ /* Mark FW as loaded from host */
+ wil_s(wil, RGF_USER_USAGE_6, 1);
+
+ /* clear any interrupts which on-card-firmware
+ * may have set
+ */
+ wil6210_clear_irq(wil);
+ /* CAF_ICR - clear and mask */
+ /* it is W1C, clear by writing back same value */
+ if (wil->hw_version < HW_VER_TALYN_MB) {
+ wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
+ wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
+ }
+ /* clear PAL_UNIT_ICR (potential D0->D3 leftover)
+ * In Talyn-MB host cannot access this register due to
+ * access control, hence PAL_UNIT_ICR is cleared by the FW
+ */
+ if (wil->hw_version < HW_VER_TALYN_MB)
+ wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR),
+ 0);
+
+ if (wil->fw_calib_result > 0) {
+ __le32 val = cpu_to_le32(wil->fw_calib_result |
+ (CALIB_RESULT_SIGNATURE << 8));
+ wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val);
+ }
+}
+
+static int wil_restore_vifs(struct wil6210_priv *wil)
+{
+ struct wil6210_vif *vif;
+ struct net_device *ndev;
+ struct wireless_dev *wdev;
+ int i, rc;
+
+ for (i = 0; i < GET_MAX_VIFS(wil); i++) {
+ vif = wil->vifs[i];
+ if (!vif)
+ continue;
+ vif->ap_isolate = 0;
+ if (vif->mid) {
+ ndev = vif_to_ndev(vif);
+ wdev = vif_to_wdev(vif);
+ rc = wmi_port_allocate(wil, vif->mid, ndev->dev_addr,
+ wdev->iftype);
+ if (rc) {
+ wil_err(wil, "fail to restore VIF %d type %d, rc %d\n",
+ i, wdev->iftype, rc);
+ return rc;
+ }
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Clear FW and ucode log start addr to indicate FW log is not ready. The host
+ * driver clears the addresses before FW starts and FW initializes the address
+ * when it is ready to send logs.
+ */
+void wil_clear_fw_log_addr(struct wil6210_priv *wil)
+{
+ /* FW log addr */
+ wil_w(wil, RGF_USER_USAGE_1, 0);
+ /* ucode log addr */
+ wil_w(wil, RGF_USER_USAGE_2, 0);
+ wil_dbg_misc(wil, "Cleared FW and ucode log address");
+}
+
+/*
+ * We reset all the structures, and we reset the UMAC.
+ * After calling this routine, you're expected to reload
+ * the firmware.
+ */
+int wil_reset(struct wil6210_priv *wil, bool load_fw)
+{
+ int rc, i;
+ unsigned long status_flags = BIT(wil_status_resetting);
+ int no_flash;
+ struct wil6210_vif *vif;
+
+ wil_dbg_misc(wil, "reset\n");
+
+ WARN_ON(!mutex_is_locked(&wil->mutex));
+ WARN_ON(test_bit(wil_status_napi_en, wil->status));
+
+ if (debug_fw) {
+ static const u8 mac[ETH_ALEN] = {
+ 0x00, 0xde, 0xad, 0x12, 0x34, 0x56,
+ };
+ struct net_device *ndev = wil->main_ndev;
+
+ ether_addr_copy(ndev->perm_addr, mac);
+ eth_hw_addr_set(ndev, ndev->perm_addr);
+ return 0;
+ }
+
+ if (wil->hw_version == HW_VER_UNKNOWN)
+ return -ENODEV;
+
+ if (test_bit(WIL_PLATFORM_CAPA_T_PWR_ON_0, wil->platform_capa) &&
+ wil->hw_version < HW_VER_TALYN_MB) {
+ wil_dbg_misc(wil, "Notify FW to set T_POWER_ON=0\n");
+ wil_s(wil, RGF_USER_USAGE_8, BIT_USER_SUPPORT_T_POWER_ON_0);
+ }
+
+ if (test_bit(WIL_PLATFORM_CAPA_EXT_CLK, wil->platform_capa)) {
+ wil_dbg_misc(wil, "Notify FW on ext clock configuration\n");
+ wil_s(wil, RGF_USER_USAGE_8, BIT_USER_EXT_CLK);
+ }
+
+ if (wil->platform_ops.notify) {
+ rc = wil->platform_ops.notify(wil->platform_handle,
+ WIL_PLATFORM_EVT_PRE_RESET);
+ if (rc)
+ wil_err(wil, "PRE_RESET platform notify failed, rc %d\n",
+ rc);
+ }
+
+ set_bit(wil_status_resetting, wil->status);
+ mutex_lock(&wil->vif_mutex);
+ wil_abort_scan_all_vifs(wil, false);
+ mutex_unlock(&wil->vif_mutex);
+
+ for (i = 0; i < GET_MAX_VIFS(wil); i++) {
+ vif = wil->vifs[i];
+ if (vif) {
+ cancel_work_sync(&vif->disconnect_worker);
+ wil6210_disconnect(vif, NULL,
+ WLAN_REASON_DEAUTH_LEAVING);
+ vif->ptk_rekey_state = WIL_REKEY_IDLE;
+ }
+ }
+ wil_bcast_fini_all(wil);
+
+ /* Disable device led before reset*/
+ wmi_led_cfg(wil, false);
+
+ down_write(&wil->mem_lock);
+
+ /* prevent NAPI from being scheduled and prevent wmi commands */
+ mutex_lock(&wil->wmi_mutex);
+ if (test_bit(wil_status_suspending, wil->status))
+ status_flags |= BIT(wil_status_suspending);
+ bitmap_and(wil->status, wil->status, &status_flags,
+ wil_status_last);
+ wil_dbg_misc(wil, "wil->status (0x%lx)\n", *wil->status);
+ mutex_unlock(&wil->wmi_mutex);
+
+ wil_mask_irq(wil);
+
+ wmi_event_flush(wil);
+
+ flush_workqueue(wil->wq_service);
+ flush_workqueue(wil->wmi_wq);
+
+ no_flash = test_bit(hw_capa_no_flash, wil->hw_capa);
+ if (!no_flash)
+ wil_bl_crash_info(wil, false);
+ wil_disable_irq(wil);
+ rc = wil_target_reset(wil, no_flash);
+ wil6210_clear_irq(wil);
+ wil_enable_irq(wil);
+ wil->txrx_ops.rx_fini(wil);
+ wil->txrx_ops.tx_fini(wil);
+ if (rc) {
+ if (!no_flash)
+ wil_bl_crash_info(wil, true);
+ goto out;
+ }
+
+ if (no_flash) {
+ rc = wil_get_otp_info(wil);
+ } else {
+ rc = wil_get_bl_info(wil);
+ if (rc == -EAGAIN && !load_fw)
+ /* ignore RF error if not going up */
+ rc = 0;
+ }
+ if (rc)
+ goto out;
+
+ wil_set_oob_mode(wil, oob_mode);
+ if (load_fw) {
+ char board_file[WIL_BOARD_FILE_MAX_NAMELEN];
+
+ if (wil->secured_boot) {
+ wil_err(wil, "secured boot is not supported\n");
+ up_write(&wil->mem_lock);
+ return -ENOTSUPP;
+ }
+
+ board_file[0] = '\0';
+ wil_get_board_file(wil, board_file, sizeof(board_file));
+ wil_info(wil, "Use firmware <%s> + board <%s>\n",
+ wil->wil_fw_name, board_file);
+
+ if (!no_flash)
+ wil_bl_prepare_halt(wil);
+
+ wil_halt_cpu(wil);
+ memset(wil->fw_version, 0, sizeof(wil->fw_version));
+ /* Loading f/w from the file */
+ rc = wil_request_firmware(wil, wil->wil_fw_name, true);
+ if (rc)
+ goto out;
+ if (wil->num_of_brd_entries)
+ rc = wil_request_board(wil, board_file);
+ else
+ rc = wil_request_firmware(wil, board_file, true);
+ if (rc)
+ goto out;
+
+ wil_pre_fw_config(wil);
+ wil_release_cpu(wil);
+ }
+
+ /* init after reset */
+ reinit_completion(&wil->wmi_ready);
+ reinit_completion(&wil->wmi_call);
+ reinit_completion(&wil->halp.comp);
+
+ clear_bit(wil_status_resetting, wil->status);
+
+ up_write(&wil->mem_lock);
+
+ if (load_fw) {
+ wil_unmask_irq(wil);
+
+ /* we just started MAC, wait for FW ready */
+ rc = wil_wait_for_fw_ready(wil);
+ if (rc)
+ return rc;
+
+ /* check FW is responsive */
+ rc = wmi_echo(wil);
+ if (rc) {
+ wil_err(wil, "wmi_echo failed, rc %d\n", rc);
+ return rc;
+ }
+
+ wil->txrx_ops.configure_interrupt_moderation(wil);
+
+ /* Enable OFU rdy valid bug fix, to prevent hang in oful34_rx
+ * while there is back-pressure from Host during RX
+ */
+ if (wil->hw_version >= HW_VER_TALYN_MB)
+ wil_s(wil, RGF_DMA_MISC_CTL,
+ BIT_OFUL34_RDY_VALID_BUG_FIX_EN);
+
+ rc = wil_restore_vifs(wil);
+ if (rc) {
+ wil_err(wil, "failed to restore vifs, rc %d\n", rc);
+ return rc;
+ }
+
+ wil_collect_fw_info(wil);
+
+ if (wil->ps_profile != WMI_PS_PROFILE_TYPE_DEFAULT)
+ wil_ps_update(wil, wil->ps_profile);
+
+ if (wil->platform_ops.notify) {
+ rc = wil->platform_ops.notify(wil->platform_handle,
+ WIL_PLATFORM_EVT_FW_RDY);
+ if (rc) {
+ wil_err(wil, "FW_RDY notify failed, rc %d\n",
+ rc);
+ rc = 0;
+ }
+ }
+ }
+
+ return rc;
+
+out:
+ up_write(&wil->mem_lock);
+ clear_bit(wil_status_resetting, wil->status);
+ return rc;
+}
+
+void wil_fw_error_recovery(struct wil6210_priv *wil)
+{
+ wil_dbg_misc(wil, "starting fw error recovery\n");
+
+ if (test_bit(wil_status_resetting, wil->status)) {
+ wil_info(wil, "Reset already in progress\n");
+ return;
+ }
+
+ wil->recovery_state = fw_recovery_pending;
+ schedule_work(&wil->fw_error_worker);
+}
+
+int __wil_up(struct wil6210_priv *wil)
+{
+ struct net_device *ndev = wil->main_ndev;
+ struct wireless_dev *wdev = ndev->ieee80211_ptr;
+ int rc;
+
+ WARN_ON(!mutex_is_locked(&wil->mutex));
+
+ rc = wil_reset(wil, true);
+ if (rc)
+ return rc;
+
+ /* Rx RING. After MAC and beacon */
+ if (rx_ring_order == 0)
+ rx_ring_order = wil->hw_version < HW_VER_TALYN_MB ?
+ WIL_RX_RING_SIZE_ORDER_DEFAULT :
+ WIL_RX_RING_SIZE_ORDER_TALYN_DEFAULT;
+
+ rc = wil->txrx_ops.rx_init(wil, rx_ring_order);
+ if (rc)
+ return rc;
+
+ rc = wil->txrx_ops.tx_init(wil);
+ if (rc)
+ return rc;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ wil_dbg_misc(wil, "type: STATION\n");
+ ndev->type = ARPHRD_ETHER;
+ break;
+ case NL80211_IFTYPE_AP:
+ wil_dbg_misc(wil, "type: AP\n");
+ ndev->type = ARPHRD_ETHER;
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ wil_dbg_misc(wil, "type: P2P_CLIENT\n");
+ ndev->type = ARPHRD_ETHER;
+ break;
+ case NL80211_IFTYPE_P2P_GO:
+ wil_dbg_misc(wil, "type: P2P_GO\n");
+ ndev->type = ARPHRD_ETHER;
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ wil_dbg_misc(wil, "type: Monitor\n");
+ ndev->type = ARPHRD_IEEE80211_RADIOTAP;
+ /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ /* MAC address - pre-requisite for other commands */
+ wmi_set_mac_address(wil, ndev->dev_addr);
+
+ wil_dbg_misc(wil, "NAPI enable\n");
+ napi_enable(&wil->napi_rx);
+ napi_enable(&wil->napi_tx);
+ set_bit(wil_status_napi_en, wil->status);
+
+ wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
+
+ return 0;
+}
+
+int wil_up(struct wil6210_priv *wil)
+{
+ int rc;
+
+ wil_dbg_misc(wil, "up\n");
+
+ mutex_lock(&wil->mutex);
+ rc = __wil_up(wil);
+ mutex_unlock(&wil->mutex);
+
+ return rc;
+}
+
+int __wil_down(struct wil6210_priv *wil)
+{
+ int rc;
+ WARN_ON(!mutex_is_locked(&wil->mutex));
+
+ set_bit(wil_status_resetting, wil->status);
+
+ wil6210_bus_request(wil, 0);
+
+ wil_disable_irq(wil);
+ if (test_and_clear_bit(wil_status_napi_en, wil->status)) {
+ napi_disable(&wil->napi_rx);
+ napi_disable(&wil->napi_tx);
+ wil_dbg_misc(wil, "NAPI disable\n");
+ }
+ wil_enable_irq(wil);
+
+ mutex_lock(&wil->vif_mutex);
+ wil_p2p_stop_radio_operations(wil);
+ wil_abort_scan_all_vifs(wil, false);
+ mutex_unlock(&wil->vif_mutex);
+
+ rc = wil_reset(wil, false);
+
+ return rc;
+}
+
+int wil_down(struct wil6210_priv *wil)
+{
+ int rc;
+
+ wil_dbg_misc(wil, "down\n");
+
+ wil_set_recovery_state(wil, fw_recovery_idle);
+ mutex_lock(&wil->mutex);
+ rc = __wil_down(wil);
+ mutex_unlock(&wil->mutex);
+
+ return rc;
+}
+
+int wil_find_cid(struct wil6210_priv *wil, u8 mid, const u8 *mac)
+{
+ int i;
+ int rc = -ENOENT;
+
+ for (i = 0; i < wil->max_assoc_sta; i++) {
+ if (wil->sta[i].mid == mid &&
+ wil->sta[i].status != wil_sta_unused &&
+ ether_addr_equal(wil->sta[i].addr, mac)) {
+ rc = i;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+void wil_halp_vote(struct wil6210_priv *wil)
+{
+ unsigned long rc;
+ unsigned long to_jiffies = msecs_to_jiffies(WAIT_FOR_HALP_VOTE_MS);
+
+ if (wil->hw_version >= HW_VER_TALYN_MB)
+ return;
+
+ mutex_lock(&wil->halp.lock);
+
+ wil_dbg_irq(wil, "halp_vote: start, HALP ref_cnt (%d)\n",
+ wil->halp.ref_cnt);
+
+ if (++wil->halp.ref_cnt == 1) {
+ reinit_completion(&wil->halp.comp);
+ /* mark to IRQ context to handle HALP ICR */
+ wil->halp.handle_icr = true;
+ wil6210_set_halp(wil);
+ rc = wait_for_completion_timeout(&wil->halp.comp, to_jiffies);
+ if (!rc) {
+ wil_err(wil, "HALP vote timed out\n");
+ /* Mask HALP as done in case the interrupt is raised */
+ wil->halp.handle_icr = false;
+ wil6210_mask_halp(wil);
+ } else {
+ wil_dbg_irq(wil,
+ "halp_vote: HALP vote completed after %d ms\n",
+ jiffies_to_msecs(to_jiffies - rc));
+ }
+ }
+
+ wil_dbg_irq(wil, "halp_vote: end, HALP ref_cnt (%d)\n",
+ wil->halp.ref_cnt);
+
+ mutex_unlock(&wil->halp.lock);
+}
+
+void wil_halp_unvote(struct wil6210_priv *wil)
+{
+ if (wil->hw_version >= HW_VER_TALYN_MB)
+ return;
+
+ WARN_ON(wil->halp.ref_cnt == 0);
+
+ mutex_lock(&wil->halp.lock);
+
+ wil_dbg_irq(wil, "halp_unvote: start, HALP ref_cnt (%d)\n",
+ wil->halp.ref_cnt);
+
+ if (--wil->halp.ref_cnt == 0) {
+ wil6210_clear_halp(wil);
+ wil_dbg_irq(wil, "HALP unvote\n");
+ }
+
+ wil_dbg_irq(wil, "halp_unvote:end, HALP ref_cnt (%d)\n",
+ wil->halp.ref_cnt);
+
+ mutex_unlock(&wil->halp.lock);
+}
+
+void wil_init_txrx_ops(struct wil6210_priv *wil)
+{
+ if (wil->use_enhanced_dma_hw)
+ wil_init_txrx_ops_edma(wil);
+ else
+ wil_init_txrx_ops_legacy_dma(wil);
+}