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path: root/drivers/net/wireless/ath/wil6210/txrx.c
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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/txrx.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/txrx.c151
1 files changed, 109 insertions, 42 deletions
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index e3f8bdce5ab..8439f65db25 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -463,7 +463,7 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
* and in case of error drop the packet
* higher stack layers will handle retransmission (if required)
*/
- if (d->dma.status & RX_DMA_STATUS_L4_IDENT) {
+ if (d->dma.status & RX_DMA_STATUS_L4I) {
/* L4 protocol identified, csum calculated */
if ((d->dma.error & RX_DMA_ERROR_L4_ERR) == 0)
skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -581,14 +581,8 @@ void wil_rx_handle(struct wil6210_priv *wil, int *quota)
skb->protocol = htons(ETH_P_802_2);
wil_netif_rx_any(skb, ndev);
} else {
- struct ethhdr *eth = (void *)skb->data;
-
skb->protocol = eth_type_trans(skb, ndev);
-
- if (is_unicast_ether_addr(eth->h_dest))
- wil_rx_reorder(wil, skb);
- else
- wil_netif_rx_any(skb, ndev);
+ wil_rx_reorder(wil, skb);
}
}
wil_rx_refill(wil, v->size);
@@ -645,7 +639,7 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
.vring_cfg = {
.tx_sw_ring = {
.max_mpdu_size =
- cpu_to_le16(mtu_max + ETH_HLEN),
+ cpu_to_le16(wil_mtu2macbuf(mtu_max)),
.ring_size = cpu_to_le16(size),
},
.ringid = id,
@@ -653,7 +647,7 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
.encap_trans_type = WMI_VRING_ENC_TYPE_802_3,
.mac_ctrl = 0,
.to_resolution = 0,
- .agg_max_wsize = 16,
+ .agg_max_wsize = 0,
.schd_params = {
.priority = cpu_to_le16(0),
.timeslot_us = cpu_to_le16(0xfff),
@@ -677,6 +671,7 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
}
memset(txdata, 0, sizeof(*txdata));
+ spin_lock_init(&txdata->lock);
vring->size = size;
rc = wil_vring_alloc(wil, vring);
if (rc)
@@ -701,6 +696,8 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
vring->hwtail = le32_to_cpu(reply.cmd.tx_vring_tail_ptr);
txdata->enabled = 1;
+ if (wil->sta[cid].data_port_open && (agg_wsize >= 0))
+ wil_addba_tx_request(wil, id, agg_wsize);
return 0;
out_free:
@@ -713,6 +710,7 @@ int wil_vring_init_tx(struct wil6210_priv *wil, int id, int size,
void wil_vring_fini_tx(struct wil6210_priv *wil, int id)
{
struct vring *vring = &wil->vring_tx[id];
+ struct vring_tx_data *txdata = &wil->vring_tx_data[id];
WARN_ON(!mutex_is_locked(&wil->mutex));
@@ -721,12 +719,15 @@ void wil_vring_fini_tx(struct wil6210_priv *wil, int id)
wil_dbg_misc(wil, "%s() id=%d\n", __func__, id);
+ spin_lock_bh(&txdata->lock);
+ txdata->enabled = 0; /* no Tx can be in progress or start anew */
+ spin_unlock_bh(&txdata->lock);
/* make sure NAPI won't touch this vring */
- wil->vring_tx_data[id].enabled = 0;
- if (test_bit(wil_status_napi_en, &wil->status))
+ if (test_bit(wil_status_napi_en, wil->status))
napi_synchronize(&wil->napi_tx);
wil_vring_free(wil, vring, 1);
+ memset(txdata, 0, sizeof(*txdata));
}
static struct vring *wil_find_tx_vring(struct wil6210_priv *wil,
@@ -773,6 +774,38 @@ 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
@@ -843,9 +876,6 @@ static int wil_tx_desc_map(struct vring_tx_desc *d, dma_addr_t pa, u32 len,
d->mac.d[1] = 0;
d->mac.d[2] = 0;
d->mac.ucode_cmd = 0;
- /* use dst index 0 */
- d->mac.d[1] |= BIT(MAC_CFG_DESC_TX_1_DST_INDEX_EN_POS) |
- (0 << MAC_CFG_DESC_TX_1_DST_INDEX_POS);
/* translation type: 0 - bypass; 1 - 802.3; 2 - native wifi */
d->mac.d[2] = BIT(MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_POS) |
(1 << MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_POS);
@@ -908,8 +938,8 @@ static int wil_tx_desc_offload_cksum_set(struct wil6210_priv *wil,
return 0;
}
-static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
- struct sk_buff *skb)
+static int __wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
+ struct sk_buff *skb)
{
struct device *dev = wil_to_dev(wil);
struct vring_tx_desc dd, *d = &dd;
@@ -925,18 +955,21 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
wil_dbg_txrx(wil, "%s()\n", __func__);
+ if (unlikely(!txdata->enabled))
+ return -EINVAL;
+
if (avail < 1 + nr_frags) {
wil_err_ratelimited(wil,
- "Tx ring full. No space for %d fragments\n",
- 1 + nr_frags);
+ "Tx ring[%2d] full. No space for %d fragments\n",
+ vring_index, 1 + nr_frags);
return -ENOMEM;
}
_d = &vring->va[i].tx;
pa = dma_map_single(dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE);
- wil_dbg_txrx(wil, "Tx skb %d bytes 0x%p -> %pad\n", skb_headlen(skb),
- skb->data, &pa);
+ wil_dbg_txrx(wil, "Tx[%2d] skb %d bytes 0x%p -> %pad\n", vring_index,
+ skb_headlen(skb), skb->data, &pa);
wil_hex_dump_txrx("Tx ", DUMP_PREFIX_OFFSET, 16, 1,
skb->data, skb_headlen(skb), false);
@@ -947,15 +980,13 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
wil_tx_desc_map(d, pa, skb_headlen(skb), vring_index);
/* Process TCP/UDP checksum offloading */
if (wil_tx_desc_offload_cksum_set(wil, d, skb)) {
- wil_err(wil, "VRING #%d Failed to set cksum, drop packet\n",
+ wil_err(wil, "Tx[%2d] Failed to set cksum, drop packet\n",
vring_index);
goto dma_error;
}
vring->ctx[i].nr_frags = nr_frags;
wil_tx_desc_set_nr_frags(d, nr_frags);
- if (nr_frags)
- *_d = *d;
/* middle segments */
for (; f < nr_frags; f++) {
@@ -963,6 +994,10 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
&skb_shinfo(skb)->frags[f];
int len = skb_frag_size(frag);
+ *_d = *d;
+ wil_dbg_txrx(wil, "Tx[%2d] desc[%4d]\n", vring_index, i);
+ wil_hex_dump_txrx("TxD ", DUMP_PREFIX_NONE, 32, 4,
+ (const void *)d, sizeof(*d), false);
i = (swhead + f + 1) % vring->size;
_d = &vring->va[i].tx;
pa = skb_frag_dma_map(dev, frag, 0, skb_frag_size(frag),
@@ -976,13 +1011,15 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
* it will succeed here too
*/
wil_tx_desc_offload_cksum_set(wil, d, skb);
- *_d = *d;
}
/* for the last seg only */
d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_EOP_POS);
d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_MARK_WB_POS);
d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS);
*_d = *d;
+ wil_dbg_txrx(wil, "Tx[%2d] desc[%4d]\n", vring_index, i);
+ wil_hex_dump_txrx("TxD ", DUMP_PREFIX_NONE, 32, 4,
+ (const void *)d, sizeof(*d), false);
/* hold reference to skb
* to prevent skb release before accounting
@@ -990,15 +1027,13 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
*/
vring->ctx[i].skb = skb_get(skb);
- wil_hex_dump_txrx("Tx ", DUMP_PREFIX_NONE, 32, 4,
- (const void *)d, sizeof(*d), false);
-
if (wil_vring_is_empty(vring)) /* performance monitoring */
txdata->idle += get_cycles() - txdata->last_idle;
/* advance swhead */
wil_vring_advance_head(vring, nr_frags + 1);
- wil_dbg_txrx(wil, "Tx swhead %d -> %d\n", swhead, vring->swhead);
+ wil_dbg_txrx(wil, "Tx[%2d] swhead %d -> %d\n", vring_index, swhead,
+ vring->swhead);
trace_wil6210_tx(vring_index, swhead, skb->len, nr_frags);
iowrite32(vring->swhead, wil->csr + HOSTADDR(vring->hwtail));
@@ -1025,6 +1060,19 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
return -EINVAL;
}
+static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
+ struct sk_buff *skb)
+{
+ int vring_index = vring - wil->vring_tx;
+ struct vring_tx_data *txdata = &wil->vring_tx_data[vring_index];
+ int rc;
+
+ spin_lock(&txdata->lock);
+ rc = __wil_tx_vring(wil, vring, skb);
+ spin_unlock(&txdata->lock);
+ return rc;
+}
+
netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
@@ -1034,14 +1082,14 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
int rc;
wil_dbg_txrx(wil, "%s()\n", __func__);
- if (!test_bit(wil_status_fwready, &wil->status)) {
+ if (!test_bit(wil_status_fwready, wil->status)) {
if (!pr_once_fw) {
wil_err(wil, "FW not ready\n");
pr_once_fw = true;
}
goto drop;
}
- if (!test_bit(wil_status_fwconnected, &wil->status)) {
+ if (!test_bit(wil_status_fwconnected, wil->status)) {
wil_err(wil, "FW not connected\n");
goto drop;
}
@@ -1052,15 +1100,19 @@ 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);
@@ -1087,6 +1139,22 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
return NET_XMIT_DROP;
}
+static inline bool wil_need_txstat(struct sk_buff *skb)
+{
+ struct ethhdr *eth = (void *)skb->data;
+
+ return is_unicast_ether_addr(eth->h_dest) && skb->sk &&
+ (skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS);
+}
+
+static inline void wil_consume_skb(struct sk_buff *skb, bool acked)
+{
+ if (unlikely(wil_need_txstat(skb)))
+ skb_complete_wifi_ack(skb, acked);
+ else
+ acked ? dev_consume_skb_any(skb) : dev_kfree_skb_any(skb);
+}
+
/**
* Clean up transmitted skb's from the Tx VRING
*
@@ -1147,10 +1215,10 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid)
trace_wil6210_tx_done(ringid, vring->swtail, dmalen,
d->dma.error);
wil_dbg_txrx(wil,
- "Tx[%3d] : %d bytes, status 0x%02x err 0x%02x\n",
- vring->swtail, dmalen, d->dma.status,
- d->dma.error);
- wil_hex_dump_txrx("TxC ", DUMP_PREFIX_NONE, 32, 4,
+ "TxC[%2d][%3d] : %d bytes, status 0x%02x err 0x%02x\n",
+ ringid, vring->swtail, dmalen,
+ d->dma.status, d->dma.error);
+ wil_hex_dump_txrx("TxCD ", DUMP_PREFIX_NONE, 32, 4,
(const void *)d, sizeof(*d), false);
wil_txdesc_unmap(dev, d, ctx);
@@ -1165,8 +1233,7 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid)
ndev->stats.tx_errors++;
stats->tx_errors++;
}
-
- dev_kfree_skb_any(skb);
+ wil_consume_skb(skb, d->dma.error == 0);
}
memset(ctx, 0, sizeof(*ctx));
/* There is no need to touch HW descriptor:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-13 09:04:04 +0000