diff options
author | Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> | 2014-02-27 14:20:45 (GMT) |
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committer | John W. Linville <linville@tuxdriver.com> | 2014-02-28 19:33:31 (GMT) |
commit | 9a1773847d592c546f1fd5100d6ff434b414bedc (patch) | |
tree | ba5b29123c559a6a83d8de9f8ff9d28f6170cdfc | |
parent | b4490f423c0e61b77461be6557c62e533b8c60e3 (diff) | |
download | linux-9a1773847d592c546f1fd5100d6ff434b414bedc.tar.xz |
wil6210: Find free vring for Tx
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>
-rw-r--r-- | drivers/net/wireless/ath/wil6210/main.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 38906f1..5079e49 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -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; |