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wil6210: more Tx debug 

Print Tx descriptors
Print ring index for all Tx related messages
Sort prefixes: Tx for transmit, TxC for completion, added "D"
for descriptor related prints

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 2015-02-01 10:55:14 +02:00 committed by Kalle Valo
parent 5933a06dc9
commit 5b29c573f3
1 changed files with 17 additions and 13 deletions
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30
drivers/net/wireless/ath/wil6210/txrx.c
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@ -960,16 +960,16 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
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);
@ -980,7 +980,7 @@ 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;
}
@ -995,6 +995,9 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
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),
@ -1014,6 +1017,9 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
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
@ -1021,15 +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));
@ -1211,10 +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);