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Commit 59f7c0a9 authored by Vladimir Kondratiev's avatar Vladimir Kondratiev Committed by John W. Linville
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wil6210: [DEBUG] Improve Vring printing 



Print '_' for the 'idle' descriptors - this makes vring representation more visible.
Also, for the Tx side, differentiate descriptors having associated skb's - print ones
with skb as 'H' and without as 'h'. Good to represent scattered frames.

Signed-off-by: default avatarVladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3a85543e

drivers/net/wireless/ath/wil6210/debugfs.c

+6 −5
Original line number Diff line number Diff line
@@ -30,7 +30,8 @@ static u32 dbg_vring_index; /* 25 for Rx, 0..24 for Tx */ 
#define WIL_DBG_VRING_INDEX_RX (WIL6210_MAX_TX_RINGS + 1)



static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,

			    const char *name, struct vring *vring)

			    const char *name, struct vring *vring,

			    char _s, char _h)

{

	void __iomem *x = wmi_addr(wil, vring->hwtail);
@@ -52,8 +53,8 @@ static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil, 
			volatile struct vring_tx_desc *d = &vring->va[i].tx;

			if ((i % 64) == 0 && (i != 0))

				seq_printf(s, "\n");

			seq_printf(s, "%s", (d->dma.status & BIT(0)) ?

					"S" : (vring->ctx[i].skb ? "H" : "h"));

			seq_printf(s, "%c", (d->dma.status & BIT(0)) ?

					_s : (vring->ctx[i].skb ? _h : 'h'));

		}

		seq_printf(s, "\n");

	}
@@ -65,14 +66,14 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data) 
	uint i;

	struct wil6210_priv *wil = s->private;



	wil_print_vring(s, wil, "rx", &wil->vring_rx);

	wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');



	for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {

		struct vring *vring = &(wil->vring_tx[i]);

		if (vring->va) {

			char name[10];

			snprintf(name, sizeof(name), "tx_%2d", i);

			wil_print_vring(s, wil, name, vring);

			wil_print_vring(s, wil, name, vring, '_', 'H');

		}

	}