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wil6210: Find free vring for Tx

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There are 24 possible Tx vrings; when doind multiple connections, more then
one vring has to be used. Search for free one and select it.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2014-02-27 16:20:45 +02:00 committed by John W. Linville
parent b4490f423c
commit 9a1773847d
1 changed files with 12 additions and 1 deletions
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13
drivers/net/wireless/ath/wil6210/main.c
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@ -107,12 +107,23 @@ static void wil_connect_timer_fn(ulong x)
schedule_work(&wil->disconnect_worker);
}
static int wil_find_free_vring(struct wil6210_priv *wil)
{
int i;
for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
if (!wil->vring_tx[i].va)
return i;
}
return -EINVAL;
}
static void wil_connect_worker(struct work_struct *work)
{
int rc;
struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
connect_worker);
int cid = wil->pending_connect_cid;
int ringid = wil_find_free_vring(wil);
if (cid < 0) {
wil_err(wil, "No connection pending\n");
@ -121,7 +132,7 @@ static void wil_connect_worker(struct work_struct *work)
wil_dbg_wmi(wil, "Configure for connection CID %d\n", cid);
rc = wil_vring_init_tx(wil, 0, WIL6210_TX_RING_SIZE, cid, 0);
rc = wil_vring_init_tx(wil, ringid, WIL6210_TX_RING_SIZE, cid, 0);
wil->pending_connect_cid = -1;
if (rc == 0) {
wil->sta[cid].status = wil_sta_connected;