wil6210: multiple connect - initial support
Enable multiple (up to 8 - HW/FW limitation) simultaneous connections.
Each connection has its own CID (connection ID) that describes chip's
beam-forming entity. Tx Vring should refer to correct CID for frame to reach
its destination.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 0b0975d..eb60023 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -613,6 +613,9 @@
}
vring->hwtail = le32_to_cpu(reply.cmd.tx_vring_tail_ptr);
+ wil->vring2cid_tid[id][0] = cid;
+ wil->vring2cid_tid[id][1] = tid;
+
return 0;
out_free:
wil_vring_free(wil, vring, 1);
@@ -634,10 +637,27 @@
static struct vring *wil_find_tx_vring(struct wil6210_priv *wil,
struct sk_buff *skb)
{
- struct vring *v = &wil->vring_tx[0];
+ int i;
+ struct ethhdr *eth = (void *)skb->data;
+ int cid = wil_find_cid(wil, eth->h_dest);
- if (v->va)
- return v;
+ if (cid < 0)
+ return NULL;
+
+ /* TODO: fix for multiple TID */
+ for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) {
+ if (wil->vring2cid_tid[i][0] == cid) {
+ struct vring *v = &wil->vring_tx[i];
+ wil_dbg_txrx(wil, "%s(%pM) -> [%d]\n",
+ __func__, eth->h_dest, i);
+ if (v->va) {
+ return v;
+ } else {
+ wil_dbg_txrx(wil, "vring[%d] not valid\n", i);
+ return NULL;
+ }
+ }
+ }
return NULL;
}
@@ -740,9 +760,6 @@
}
_d = &(vring->va[i].tx);
- /* FIXME FW can accept only unicast frames for the peer */
- memcpy(skb->data, wil->dst_addr[vring_index], ETH_ALEN);
-
pa = dma_map_single(dev, skb->data,
skb_headlen(skb), DMA_TO_DEVICE);
@@ -836,6 +853,7 @@
netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
+ struct ethhdr *eth = (void *)skb->data;
struct vring *vring;
int rc;
@@ -854,9 +872,22 @@
}
/* find vring */
- vring = wil_find_tx_vring(wil, skb);
+ if (is_unicast_ether_addr(eth->h_dest)) {
+ vring = wil_find_tx_vring(wil, skb);
+ } else {
+ int i = 0;
+ /* TODO: duplicate for all CID's */
+ vring = &wil->vring_tx[i];
+ if (vring->va) {
+ int cid = wil->vring2cid_tid[i][0];
+ /* FIXME FW can accept only unicast frames */
+ memcpy(skb->data, wil->sta[cid].addr, ETH_ALEN);
+ } else {
+ vring = NULL;
+ }
+ }
if (!vring) {
- wil_err(wil, "No Tx VRING available\n");
+ wil_err(wil, "No Tx VRING found for %pM\n", eth->h_dest);
goto drop;
}
/* set up vring entry */