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-rw-r--r--drivers/net/wireless/ath/wil6210/cfg80211.c5
-rw-r--r--drivers/net/wireless/ath/wil6210/main.c95
-rw-r--r--drivers/net/wireless/ath/wil6210/netdev.c2
-rw-r--r--drivers/net/wireless/ath/wil6210/txrx.c7
-rw-r--r--drivers/net/wireless/ath/wil6210/txrx.h4
-rw-r--r--drivers/net/wireless/ath/wil6210/wil6210.h13
-rw-r--r--drivers/net/wireless/ath/wil6210/wmi.c4
7 files changed, 104 insertions, 26 deletions
diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index d9f4b30..0fc0b9f 100644
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -792,12 +792,13 @@ static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
}
static int wil_cfg80211_del_station(struct wiphy *wiphy,
- struct net_device *dev, const u8 *mac)
+ struct net_device *dev,
+ struct station_del_parameters *params)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
mutex_lock(&wil->mutex);
- wil6210_disconnect(wil, mac);
+ wil6210_disconnect(wil, params->mac, false);
mutex_unlock(&wil->mutex);
return 0;
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 6500caf..6212983 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -38,6 +38,35 @@ static unsigned int itr_trsh = WIL6210_ITR_TRSH_DEFAULT;
module_param(itr_trsh, uint, S_IRUGO);
MODULE_PARM_DESC(itr_trsh, " Interrupt moderation threshold, usecs.");
+/* 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 - ETH_HLEN;
+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 > IEEE80211_MAX_DATA_LEN_DMG)
+ ret = -EINVAL;
+
+ return ret;
+}
+
+static 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, S_IRUGO);
+MODULE_PARM_DESC(mtu_max, " Max MTU value.");
+
#define RST_DELAY (20) /* msec, for loop in @wil_target_reset */
#define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */
@@ -74,7 +103,8 @@ void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
__raw_writel(*s++, d++);
}
-static void wil_disconnect_cid(struct wil6210_priv *wil, int cid)
+static void wil_disconnect_cid(struct wil6210_priv *wil, int cid,
+ bool from_event)
{
uint i;
struct net_device *ndev = wil_to_ndev(wil);
@@ -86,7 +116,10 @@ static void wil_disconnect_cid(struct wil6210_priv *wil, int cid)
sta->data_port_open = false;
if (sta->status != wil_sta_unused) {
- wmi_disconnect_sta(wil, sta->addr, WLAN_REASON_DEAUTH_LEAVING);
+ if (!from_event)
+ wmi_disconnect_sta(wil, sta->addr,
+ WLAN_REASON_DEAUTH_LEAVING);
+
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
@@ -118,7 +151,8 @@ static void wil_disconnect_cid(struct wil6210_priv *wil, int cid)
memset(&sta->stats, 0, sizeof(sta->stats));
}
-static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid)
+static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
+ bool from_event)
{
int cid = -ENOENT;
struct net_device *ndev = wil_to_ndev(wil);
@@ -133,10 +167,10 @@ static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid)
}
if (cid >= 0) /* disconnect 1 peer */
- wil_disconnect_cid(wil, cid);
+ wil_disconnect_cid(wil, cid, from_event);
else /* disconnect all */
for (cid = 0; cid < WIL6210_MAX_CID; cid++)
- wil_disconnect_cid(wil, cid);
+ wil_disconnect_cid(wil, cid, from_event);
/* link state */
switch (wdev->iftype) {
@@ -166,7 +200,7 @@ static void wil_disconnect_worker(struct work_struct *work)
struct wil6210_priv, disconnect_worker);
mutex_lock(&wil->mutex);
- _wil6210_disconnect(wil, NULL);
+ _wil6210_disconnect(wil, NULL, false);
mutex_unlock(&wil->mutex);
}
@@ -223,6 +257,11 @@ static void wil_fw_error_worker(struct work_struct *work)
wil_dbg_misc(wil, "fw error worker\n");
+ if (!netif_running(wil_to_ndev(wil))) {
+ wil_info(wil, "No recovery - interface is down\n");
+ return;
+ }
+
/* increment @recovery_count if less then WIL6210_FW_RECOVERY_TO
* passed since last recovery attempt
*/
@@ -257,9 +296,12 @@ static void wil_fw_error_worker(struct work_struct *work)
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
+ wil_info(wil, "No recovery for AP-like interface\n");
/* recovery in these modes is done by upper layers */
break;
default:
+ wil_err(wil, "No recovery - unknown interface type %d\n",
+ wdev->iftype);
break;
}
mutex_unlock(&wil->mutex);
@@ -346,12 +388,22 @@ int wil_priv_init(struct wil6210_priv *wil)
return 0;
}
-void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid)
+/**
+ * wil6210_disconnect - disconnect one connection
+ * @wil: driver context
+ * @bssid: peer to disconnect, NULL to disconnect all
+ * @from_event: whether is invoked from FW event handler
+ *
+ * Disconnect and release associated resources. If invoked not from the
+ * FW event handler, issue WMI command(s) to trigger MAC disconnect.
+ */
+void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
+ bool from_event)
{
wil_dbg_misc(wil, "%s()\n", __func__);
del_timer_sync(&wil->connect_timer);
- _wil6210_disconnect(wil, bssid);
+ _wil6210_disconnect(wil, bssid, from_event);
}
void wil_priv_deinit(struct wil6210_priv *wil)
@@ -363,7 +415,7 @@ void wil_priv_deinit(struct wil6210_priv *wil)
cancel_work_sync(&wil->disconnect_worker);
cancel_work_sync(&wil->fw_error_worker);
mutex_lock(&wil->mutex);
- wil6210_disconnect(wil, NULL);
+ wil6210_disconnect(wil, NULL, false);
mutex_unlock(&wil->mutex);
wmi_event_flush(wil);
destroy_workqueue(wil->wmi_wq_conn);
@@ -395,7 +447,7 @@ static inline void wil_release_cpu(struct wil6210_priv *wil)
static int wil_target_reset(struct wil6210_priv *wil)
{
int delay = 0;
- u32 hw_state;
+ u32 x;
u32 rev_id;
bool is_sparrow = (wil->board->board == WIL_BOARD_SPARROW);
@@ -410,9 +462,22 @@ static int wil_target_reset(struct wil6210_priv *wil)
S(RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
wil_halt_cpu(wil);
- C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL); /* 40 MHz */
if (is_sparrow) {
+ S(RGF_CAF_OSC_CONTROL, BIT_CAF_OSC_XTAL_EN);
+ /* XTAL stabilization should take about 3ms */
+ usleep_range(5000, 7000);
+ x = R(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*/
+ C(RGF_USER_SPARROW_M_4, BIT_SPARROW_M_4_SEL_SLEEP_OR_REF);
+ /* 40 MHz */
+ C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_CAR_AHB_SW_SEL);
+
W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f);
W(RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf);
}
@@ -453,13 +518,13 @@ static int wil_target_reset(struct wil6210_priv *wil)
/* wait until device ready. typical time is 200..250 msec */
do {
msleep(RST_DELAY);
- hw_state = R(RGF_USER_HW_MACHINE_STATE);
+ x = R(RGF_USER_HW_MACHINE_STATE);
if (delay++ > RST_COUNT) {
wil_err(wil, "Reset not completed, hw_state 0x%08x\n",
- hw_state);
+ x);
return -ETIME;
}
- } while (hw_state != HW_MACHINE_BOOT_DONE);
+ } while (x != HW_MACHINE_BOOT_DONE);
/* TODO: Erez check rev_id != 1 */
if (!is_sparrow && (rev_id != 1))
@@ -535,7 +600,7 @@ int wil_reset(struct wil6210_priv *wil)
WARN_ON(test_bit(wil_status_napi_en, &wil->status));
cancel_work_sync(&wil->disconnect_worker);
- wil6210_disconnect(wil, NULL);
+ wil6210_disconnect(wil, NULL, false);
wil->status = 0; /* prevent NAPI from being scheduled */
diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c
index 2399651..e81703c 100644
--- a/drivers/net/wireless/ath/wil6210/netdev.c
+++ b/drivers/net/wireless/ath/wil6210/netdev.c
@@ -41,7 +41,7 @@ static int wil_change_mtu(struct net_device *ndev, int new_mtu)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
- if (new_mtu < 68 || new_mtu > (TX_BUF_LEN - ETH_HLEN)) {
+ if (new_mtu < 68 || new_mtu > mtu_max) {
wil_err(wil, "invalid MTU %d\n", new_mtu);
return -EINVAL;
}
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 2936ef0..c680906 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -206,7 +206,7 @@ static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct vring *vring,
u32 i, int headroom)
{
struct device *dev = wil_to_dev(wil);
- unsigned int sz = RX_BUF_LEN;
+ unsigned int sz = mtu_max + ETH_HLEN;
struct vring_rx_desc dd, *d = &dd;
volatile struct vring_rx_desc *_d = &vring->va[i].rx;
dma_addr_t pa;
@@ -385,7 +385,7 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
struct vring_rx_desc *d;
struct sk_buff *skb;
dma_addr_t pa;
- unsigned int sz = RX_BUF_LEN;
+ unsigned int sz = mtu_max + ETH_HLEN;
u16 dmalen;
u8 ftype;
u8 ds_bits;
@@ -646,7 +646,8 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
.action = cpu_to_le32(WMI_VRING_CMD_ADD),
.vring_cfg = {
.tx_sw_ring = {
- .max_mpdu_size = cpu_to_le16(TX_BUF_LEN),
+ .max_mpdu_size =
+ cpu_to_le16(mtu_max + ETH_HLEN),
.ring_size = cpu_to_le16(size),
},
.ringid = id,
diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h
index de04671..630aeb5 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.h
+++ b/drivers/net/wireless/ath/wil6210/txrx.h
@@ -21,8 +21,8 @@
#define BUF_HW_OWNED (0)
/* size of max. Tx/Rx buffers, as supported by FW */
-#define RX_BUF_LEN (2242)
-#define TX_BUF_LEN (2242)
+#define TXRX_BUF_LEN_DEFAULT (2242)
+
/* how many bytes to reserve for rtap header? */
#define WIL6210_RTAP_SIZE (128)
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index ce6488e..95d3a06 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -24,6 +24,7 @@
#include "wil_platform.h"
extern bool no_fw_recovery;
+extern unsigned int mtu_max;
#define WIL_NAME "wil6210"
#define WIL_FW_NAME "wil6210.fw"
@@ -117,6 +118,8 @@ struct RGF_ICR {
#define BIT_USER_USER_ICR_SW_INT_2 BIT(18)
#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0 (0x880c18)
#define RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1 (0x880c2c)
+#define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */
+ #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2)
#define RGF_DMA_EP_TX_ICR (0x881bb4) /* struct RGF_ICR */
#define BIT_DMA_EP_TX_ICR_TX_DONE BIT(0)
@@ -152,6 +155,10 @@ struct RGF_ICR {
#define RGF_MAC_MTRL_COUNTER_0 (0x886aa8)
#define RGF_CAF_ICR (0x88946c) /* struct RGF_ICR */
+#define RGF_CAF_OSC_CONTROL (0x88afa4)
+ #define BIT_CAF_OSC_XTAL_EN BIT(0)
+#define RGF_CAF_PLL_LOCK_STATUS (0x88afec)
+ #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0)
/* popular locations */
#define HOST_MBOX HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
@@ -463,8 +470,11 @@ struct wil6210_priv {
#define ndev_to_wil(n) (wdev_to_wil(n->ieee80211_ptr))
#define wil_to_pcie_dev(i) (&i->pdev->dev)
+__printf(2, 3)
void wil_dbg_trace(struct wil6210_priv *wil, const char *fmt, ...);
+__printf(2, 3)
void wil_err(struct wil6210_priv *wil, const char *fmt, ...);
+__printf(2, 3)
void wil_info(struct wil6210_priv *wil, const char *fmt, ...);
#define wil_dbg(wil, fmt, arg...) do { \
netdev_dbg(wil_to_ndev(wil), fmt, ##arg); \
@@ -575,7 +585,8 @@ void wil_wdev_free(struct wil6210_priv *wil);
int wmi_set_mac_address(struct wil6210_priv *wil, void *addr);
int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan);
int wmi_pcp_stop(struct wil6210_priv *wil);
-void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid);
+void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
+ bool from_event);
int wil_rx_init(struct wil6210_priv *wil);
void wil_rx_fini(struct wil6210_priv *wil);
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 4311df9..bb1e066 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -486,7 +486,7 @@ static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
wil->sinfo_gen++;
mutex_lock(&wil->mutex);
- wil6210_disconnect(wil, evt->bssid);
+ wil6210_disconnect(wil, evt->bssid, true);
mutex_unlock(&wil->mutex);
}
@@ -1025,7 +1025,7 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
struct wmi_cfg_rx_chain_cmd cmd = {
.action = WMI_RX_CHAIN_ADD,
.rx_sw_ring = {
- .max_mpdu_size = cpu_to_le16(RX_BUF_LEN),
+ .max_mpdu_size = cpu_to_le16(mtu_max + ETH_HLEN),
.ring_mem_base = cpu_to_le64(vring->pa),
.ring_size = cpu_to_le16(vring->size),
},
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