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-rw-r--r--drivers/net/wireless/mwifiex/main.c6
-rw-r--r--drivers/net/wireless/mwifiex/usb.c124
-rw-r--r--drivers/net/wireless/mwifiex/usb.h13
3 files changed, 97 insertions, 46 deletions
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 4fa8ca33937d..4b2110d711bf 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -963,8 +963,10 @@ void mwifiex_drv_info_dump(struct mwifiex_adapter *adapter)
cardp = (struct usb_card_rec *)adapter->card;
p += sprintf(p, "tx_cmd_urb_pending = %d\n",
atomic_read(&cardp->tx_cmd_urb_pending));
- p += sprintf(p, "tx_data_urb_pending = %d\n",
- atomic_read(&cardp->tx_data_urb_pending));
+ p += sprintf(p, "tx_data_urb_pending_port_0 = %d\n",
+ atomic_read(&cardp->port[0].tx_data_urb_pending));
+ p += sprintf(p, "tx_data_urb_pending_port_1 = %d\n",
+ atomic_read(&cardp->port[1].tx_data_urb_pending));
p += sprintf(p, "rx_cmd_urb_pending = %d\n",
atomic_read(&cardp->rx_cmd_urb_pending));
p += sprintf(p, "rx_data_urb_pending = %d\n",
diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
index 54c9b4517700..df7e7df54a12 100644
--- a/drivers/net/wireless/mwifiex/usb.c
+++ b/drivers/net/wireless/mwifiex/usb.c
@@ -264,6 +264,8 @@ static void mwifiex_usb_tx_complete(struct urb *urb)
struct urb_context *context = (struct urb_context *)(urb->context);
struct mwifiex_adapter *adapter = context->adapter;
struct usb_card_rec *card = adapter->card;
+ struct usb_tx_data_port *port;
+ int i;
mwifiex_dbg(adapter, INFO,
"%s: status: %d\n", __func__, urb->status);
@@ -276,7 +278,13 @@ static void mwifiex_usb_tx_complete(struct urb *urb)
} else {
mwifiex_dbg(adapter, DATA,
"%s: DATA\n", __func__);
- atomic_dec(&card->tx_data_urb_pending);
+ for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
+ port = &card->port[i];
+ if (context->ep == port->tx_data_ep) {
+ atomic_dec(&port->tx_data_urb_pending);
+ break;
+ }
+ }
adapter->data_sent = false;
mwifiex_write_data_complete(adapter, context->skb, 0,
urb->status ? -1 : 0);
@@ -328,7 +336,8 @@ static int mwifiex_usb_submit_rx_urb(struct urb_context *ctx, int size)
static void mwifiex_usb_free(struct usb_card_rec *card)
{
- int i;
+ struct usb_tx_data_port *port;
+ int i, j;
if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb)
usb_kill_urb(card->rx_cmd.urb);
@@ -346,9 +355,12 @@ static void mwifiex_usb_free(struct usb_card_rec *card)
card->rx_data_list[i].urb = NULL;
}
- for (i = 0; i < MWIFIEX_TX_DATA_URB; i++) {
- usb_free_urb(card->tx_data_list[i].urb);
- card->tx_data_list[i].urb = NULL;
+ for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
+ port = &card->port[i];
+ for (j = 0; j < MWIFIEX_TX_DATA_URB; j++) {
+ usb_free_urb(port->tx_data_list[j].urb);
+ port->tx_data_list[j].urb = NULL;
+ }
}
usb_free_urb(card->tx_cmd.urb);
@@ -438,8 +450,18 @@ static int mwifiex_usb_probe(struct usb_interface *intf,
pr_debug("info: bulk OUT: max pkt size: %d, addr: %d\n",
le16_to_cpu(epd->wMaxPacketSize),
epd->bEndpointAddress);
- card->tx_data_ep = usb_endpoint_num(epd);
- atomic_set(&card->tx_data_urb_pending, 0);
+ card->port[0].tx_data_ep = usb_endpoint_num(epd);
+ atomic_set(&card->port[0].tx_data_urb_pending, 0);
+ }
+ if (usb_endpoint_dir_out(epd) &&
+ usb_endpoint_num(epd) == MWIFIEX_USB_EP_DATA_CH2 &&
+ usb_endpoint_xfer_bulk(epd)) {
+ pr_debug("info: bulk OUT chan2:\t"
+ "max pkt size: %d, addr: %d\n",
+ le16_to_cpu(epd->wMaxPacketSize),
+ epd->bEndpointAddress);
+ card->port[1].tx_data_ep = usb_endpoint_num(epd);
+ atomic_set(&card->port[1].tx_data_urb_pending, 0);
}
if (usb_endpoint_dir_out(epd) &&
usb_endpoint_num(epd) == MWIFIEX_USB_EP_CMD_EVENT &&
@@ -481,7 +503,8 @@ static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usb_card_rec *card = usb_get_intfdata(intf);
struct mwifiex_adapter *adapter;
- int i;
+ struct usb_tx_data_port *port;
+ int i, j;
if (!card || !card->adapter) {
pr_err("%s: card or card->adapter is NULL\n", __func__);
@@ -512,9 +535,13 @@ static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message)
if (card->rx_data_list[i].urb)
usb_kill_urb(card->rx_data_list[i].urb);
- for (i = 0; i < MWIFIEX_TX_DATA_URB; i++)
- if (card->tx_data_list[i].urb)
- usb_kill_urb(card->tx_data_list[i].urb);
+ for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
+ port = &card->port[i];
+ for (j = 0; j < MWIFIEX_TX_DATA_URB; j++) {
+ if (port->tx_data_list[j].urb)
+ usb_kill_urb(port->tx_data_list[j].urb);
+ }
+ }
if (card->tx_cmd.urb)
usb_kill_urb(card->tx_cmd.urb);
@@ -626,7 +653,8 @@ static struct usb_driver mwifiex_usb_driver = {
static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter)
{
struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
- int i;
+ struct usb_tx_data_port *port;
+ int i, j;
card->tx_cmd.adapter = adapter;
card->tx_cmd.ep = card->tx_cmd_ep;
@@ -638,17 +666,21 @@ static int mwifiex_usb_tx_init(struct mwifiex_adapter *adapter)
return -ENOMEM;
}
- card->tx_data_ix = 0;
-
- for (i = 0; i < MWIFIEX_TX_DATA_URB; i++) {
- card->tx_data_list[i].adapter = adapter;
- card->tx_data_list[i].ep = card->tx_data_ep;
-
- card->tx_data_list[i].urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!card->tx_data_list[i].urb) {
- mwifiex_dbg(adapter, ERROR,
- "tx_data_list[] urb allocation failed\n");
- return -ENOMEM;
+ for (i = 0; i < MWIFIEX_TX_DATA_PORT; i++) {
+ port = &card->port[i];
+ if (!port->tx_data_ep)
+ continue;
+ port->tx_data_ix = 0;
+ for (j = 0; j < MWIFIEX_TX_DATA_URB; j++) {
+ port->tx_data_list[j].adapter = adapter;
+ port->tx_data_list[j].ep = port->tx_data_ep;
+ port->tx_data_list[j].urb =
+ usb_alloc_urb(0, GFP_KERNEL);
+ if (!port->tx_data_list[j].urb) {
+ mwifiex_dbg(adapter, ERROR,
+ "urb allocation failed\n");
+ return -ENOMEM;
+ }
}
}
@@ -743,9 +775,11 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep,
struct mwifiex_tx_param *tx_param)
{
struct usb_card_rec *card = adapter->card;
- struct urb_context *context;
+ struct urb_context *context = NULL;
+ struct usb_tx_data_port *port = NULL;
u8 *data = (u8 *)skb->data;
struct urb *tx_urb;
+ int idx;
if (adapter->is_suspended) {
mwifiex_dbg(adapter, ERROR,
@@ -758,20 +792,30 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep,
return -1;
}
- if (ep == card->tx_data_ep &&
- atomic_read(&card->tx_data_urb_pending) >= MWIFIEX_TX_DATA_URB) {
- adapter->data_sent = true;
- return -EBUSY;
- }
-
mwifiex_dbg(adapter, INFO, "%s: ep=%d\n", __func__, ep);
if (ep == card->tx_cmd_ep) {
context = &card->tx_cmd;
} else {
- if (card->tx_data_ix >= MWIFIEX_TX_DATA_URB)
- card->tx_data_ix = 0;
- context = &card->tx_data_list[card->tx_data_ix++];
+ for (idx = 0; idx < MWIFIEX_TX_DATA_PORT; idx++) {
+ if (ep == card->port[idx].tx_data_ep) {
+ port = &card->port[idx];
+ if (atomic_read(&port->tx_data_urb_pending)
+ >= MWIFIEX_TX_DATA_URB) {
+ adapter->data_sent = true;
+ return -EBUSY;
+ }
+ if (port->tx_data_ix >= MWIFIEX_TX_DATA_URB)
+ port->tx_data_ix = 0;
+ context =
+ &port->tx_data_list[port->tx_data_ix++];
+ break;
+ }
+ }
+ if (!port) {
+ mwifiex_dbg(adapter, ERROR, "Wrong usb tx data port\n");
+ return -1;
+ }
}
context->adapter = adapter;
@@ -788,7 +832,7 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep,
if (ep == card->tx_cmd_ep)
atomic_inc(&card->tx_cmd_urb_pending);
else
- atomic_inc(&card->tx_data_urb_pending);
+ atomic_inc(&port->tx_data_urb_pending);
if (usb_submit_urb(tx_urb, GFP_ATOMIC)) {
mwifiex_dbg(adapter, ERROR,
@@ -796,18 +840,18 @@ static int mwifiex_usb_host_to_card(struct mwifiex_adapter *adapter, u8 ep,
if (ep == card->tx_cmd_ep) {
atomic_dec(&card->tx_cmd_urb_pending);
} else {
- atomic_dec(&card->tx_data_urb_pending);
+ atomic_dec(&port->tx_data_urb_pending);
adapter->data_sent = false;
- if (card->tx_data_ix)
- card->tx_data_ix--;
+ if (port->tx_data_ix)
+ port->tx_data_ix--;
else
- card->tx_data_ix = MWIFIEX_TX_DATA_URB;
+ port->tx_data_ix = MWIFIEX_TX_DATA_URB;
}
return -1;
} else {
- if (ep == card->tx_data_ep &&
- atomic_read(&card->tx_data_urb_pending) ==
+ if (ep != card->tx_cmd_ep &&
+ atomic_read(&port->tx_data_urb_pending) ==
MWIFIEX_TX_DATA_URB) {
adapter->data_sent = true;
return -ENOSR;
diff --git a/drivers/net/wireless/mwifiex/usb.h b/drivers/net/wireless/mwifiex/usb.h
index f0051f8c8981..0a756f2de717 100644
--- a/drivers/net/wireless/mwifiex/usb.h
+++ b/drivers/net/wireless/mwifiex/usb.h
@@ -40,6 +40,7 @@
#define USB8XXX_FW_READY 2
#define USB8XXX_FW_MAX_RETRY 3
+#define MWIFIEX_TX_DATA_PORT 2
#define MWIFIEX_TX_DATA_URB 6
#define MWIFIEX_RX_DATA_URB 6
#define MWIFIEX_USB_TIMEOUT 100
@@ -64,6 +65,13 @@ struct urb_context {
u8 ep;
};
+struct usb_tx_data_port {
+ u8 tx_data_ep;
+ atomic_t tx_data_urb_pending;
+ int tx_data_ix;
+ struct urb_context tx_data_list[MWIFIEX_TX_DATA_URB];
+};
+
struct usb_card_rec {
struct mwifiex_adapter *adapter;
struct usb_device *udev;
@@ -75,14 +83,11 @@ struct usb_card_rec {
u8 usb_boot_state;
u8 rx_data_ep;
atomic_t rx_data_urb_pending;
- u8 tx_data_ep;
u8 tx_cmd_ep;
- atomic_t tx_data_urb_pending;
atomic_t tx_cmd_urb_pending;
int bulk_out_maxpktsize;
struct urb_context tx_cmd;
- int tx_data_ix;
- struct urb_context tx_data_list[MWIFIEX_TX_DATA_URB];
+ struct usb_tx_data_port port[MWIFIEX_TX_DATA_PORT];
};
struct fw_header {