7a68c31a81
We sill don't use kernel 4.2 which is required for backporting using upstream NVRAM support patch. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 46724
87 lines
3.1 KiB
Diff
87 lines
3.1 KiB
Diff
From: Franky Lin <frankyl@broadcom.com>
|
|
Date: Thu, 20 Aug 2015 22:06:04 +0200
|
|
Subject: [PATCH] brcmfmac: add debugfs entry for msgbuf statistics
|
|
|
|
Expose ring buffer read/write pointers and other useful statistics
|
|
through debugfs.
|
|
|
|
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
|
|
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
|
|
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
|
|
Signed-off-by: Franky Lin <frankyl@broadcom.com>
|
|
Signed-off-by: Arend van Spriel <arend@broadcom.com>
|
|
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
|
|
---
|
|
|
|
--- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
|
|
+++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
|
|
@@ -1360,6 +1360,60 @@ void brcmf_msgbuf_delete_flowring(struct
|
|
}
|
|
}
|
|
|
|
+#ifdef DEBUG
|
|
+static int brcmf_msgbuf_stats_read(struct seq_file *seq, void *data)
|
|
+{
|
|
+ struct brcmf_bus *bus_if = dev_get_drvdata(seq->private);
|
|
+ struct brcmf_pub *drvr = bus_if->drvr;
|
|
+ struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd;
|
|
+ struct brcmf_commonring *commonring;
|
|
+ u16 i;
|
|
+ struct brcmf_flowring_ring *ring;
|
|
+ struct brcmf_flowring_hash *hash;
|
|
+
|
|
+ commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT];
|
|
+ seq_printf(seq, "h2d_ctl_submit: rp %4u, wp %4u, depth %4u\n",
|
|
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
|
|
+ commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_RXPOST_SUBMIT];
|
|
+ seq_printf(seq, "h2d_rx_submit: rp %4u, wp %4u, depth %4u\n",
|
|
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
|
|
+ commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_CONTROL_COMPLETE];
|
|
+ seq_printf(seq, "d2h_ctl_cmplt: rp %4u, wp %4u, depth %4u\n",
|
|
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
|
|
+ commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_TX_COMPLETE];
|
|
+ seq_printf(seq, "d2h_tx_cmplt: rp %4u, wp %4u, depth %4u\n",
|
|
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
|
|
+ commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_RX_COMPLETE];
|
|
+ seq_printf(seq, "d2h_rx_cmplt: rp %4u, wp %4u, depth %4u\n",
|
|
+ commonring->r_ptr, commonring->w_ptr, commonring->depth);
|
|
+
|
|
+ seq_printf(seq, "\nh2d_flowrings: depth %u\n",
|
|
+ BRCMF_H2D_TXFLOWRING_MAX_ITEM);
|
|
+ seq_puts(seq, "Active flowrings:\n");
|
|
+ hash = msgbuf->flow->hash;
|
|
+ for (i = 0; i < msgbuf->flow->nrofrings; i++) {
|
|
+ if (!msgbuf->flow->rings[i])
|
|
+ continue;
|
|
+ ring = msgbuf->flow->rings[i];
|
|
+ if (ring->status != RING_OPEN)
|
|
+ continue;
|
|
+ commonring = msgbuf->flowrings[i];
|
|
+ hash = &msgbuf->flow->hash[ring->hash_id];
|
|
+ seq_printf(seq, "id %3u: rp %4u, wp %4u, qlen %4u, blocked %u\n"
|
|
+ " ifidx %u, fifo %u, da %pM\n",
|
|
+ i, commonring->r_ptr, commonring->w_ptr,
|
|
+ skb_queue_len(&ring->skblist), ring->blocked,
|
|
+ hash->ifidx, hash->fifo, hash->mac);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+#else
|
|
+static int brcmf_msgbuf_stats_read(struct seq_file *seq, void *data)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+#endif
|
|
|
|
int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr)
|
|
{
|
|
@@ -1460,6 +1514,8 @@ int brcmf_proto_msgbuf_attach(struct brc
|
|
spin_lock_init(&msgbuf->flowring_work_lock);
|
|
INIT_LIST_HEAD(&msgbuf->work_queue);
|
|
|
|
+ brcmf_debugfs_add_entry(drvr, "msgbuf_stats", brcmf_msgbuf_stats_read);
|
|
+
|
|
return 0;
|
|
|
|
fail:
|