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wil6210: fix Tx VRING for STA mode

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In STA mode, all Tx should be directed to the same VRING towards the AP.
Thus, look up for the 1-st eligible VRING and use it.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Vladimir Kondratiev 2014-12-23 09:47:15 +02:00 committed by Kalle Valo
parent 9419b6a206
commit 54ed90a826
1 changed files with 41 additions and 5 deletions
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46
drivers/net/wireless/ath/wil6210/txrx.c
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@ -777,6 +777,38 @@ static void wil_set_da_for_vring(struct wil6210_priv *wil,
static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
struct sk_buff *skb);
static struct vring *wil_find_tx_vring_sta(struct wil6210_priv *wil,
struct sk_buff *skb)
{
struct vring *v;
int i;
u8 cid;
/* In the STA mode, it is expected to have only 1 VRING
* for the AP we connected to.
* find 1-st vring and see whether it is eligible for data
*/
for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
v = &wil->vring_tx[i];
if (!v->va)
continue;
cid = wil->vring2cid_tid[i][0];
if (!wil->sta[cid].data_port_open &&
(skb->protocol != cpu_to_be16(ETH_P_PAE)))
break;
wil_dbg_txrx(wil, "Tx -> ring %d\n", i);
return v;
}
wil_dbg_txrx(wil, "Tx while no vrings active?\n");
return NULL;
}
/*
* Find 1-st vring and return it; set dest address for this vring in skb
* duplicate skb and send it to other active vrings
@ -1056,15 +1088,19 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
pr_once_fw = false;
/* find vring */
if (is_unicast_ether_addr(eth->h_dest))
vring = wil_find_tx_vring(wil, skb);
else
vring = wil_tx_bcast(wil, skb);
if (wil->wdev->iftype == NL80211_IFTYPE_STATION) {
/* in STA mode (ESS), all to same VRING */
vring = wil_find_tx_vring_sta(wil, skb);
} else { /* direct communication, find matching VRING */
if (is_unicast_ether_addr(eth->h_dest))
vring = wil_find_tx_vring(wil, skb);
else
vring = wil_tx_bcast(wil, skb);
}
if (!vring) {
wil_dbg_txrx(wil, "No Tx VRING found for %pM\n", eth->h_dest);
goto drop;
}
/* set up vring entry */
rc = wil_tx_vring(wil, vring, skb);