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Commit 0c9a0a1d authored by Seth Forshee's avatar Seth Forshee Committed by John W. Linville
Browse files

brcmsmac: Add tracepoint for AMPDU session information 



Acked-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarSeth Forshee <seth.forshee@canonical.com>
Tested-by: default avatarDaniel Wagner <wagi@monom.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e3c0d8a6

drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h

+28 −0
Original line number Diff line number Diff line
@@ -156,6 +156,34 @@ TRACE_EVENT(brcms_txstatus, 
		  __entry->ackphyrxsh)

);



TRACE_EVENT(brcms_ampdu_session,

	TP_PROTO(const struct device *dev, unsigned max_ampdu_len,

		 u16 max_ampdu_frames, u16 ampdu_len, u16 ampdu_frames,

		 u16 dma_len),

	TP_ARGS(dev, max_ampdu_len, max_ampdu_frames, ampdu_len, ampdu_frames,

		dma_len),

	TP_STRUCT__entry(

		__string(dev, dev_name(dev))

		__field(unsigned, max_ampdu_len)

		__field(u16, max_ampdu_frames)

		__field(u16, ampdu_len)

		__field(u16, ampdu_frames)

		__field(u16, dma_len)

	),

	TP_fast_assign(

		__assign_str(dev, dev_name(dev));

		__entry->max_ampdu_len = max_ampdu_len;

		__entry->max_ampdu_frames = max_ampdu_frames;

		__entry->ampdu_len = ampdu_len;

		__entry->ampdu_frames = ampdu_frames;

		__entry->dma_len = dma_len;

	),

	TP_printk("[%s] ampdu session max_len=%u max_frames=%u len=%u frames=%u dma_len=%u",

		  __get_str(dev), __entry->max_ampdu_len,

		  __entry->max_ampdu_frames, __entry->ampdu_len,

		  __entry->ampdu_frames, __entry->dma_len)

);



#undef TRACE_SYSTEM

#define TRACE_SYSTEM brcmsmac_msg

drivers/net/wireless/brcm80211/brcmsmac/dma.c

+8 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include "scb.h"

#include "ampdu.h"

#include "debug.h"

#include "brcms_trace_events.h"



/*

 * dma register field offset calculation
@@ -1311,6 +1312,13 @@ static void ampdu_finalize(struct dma_info *di) 
	struct brcms_ampdu_session *session = &di->ampdu_session;

	struct sk_buff *p;



	trace_brcms_ampdu_session(&session->wlc->hw->d11core->dev,

				  session->max_ampdu_len,

				  session->max_ampdu_frames,

				  session->ampdu_len,

				  skb_queue_len(&session->skb_list),

				  session->dma_len);



	if (WARN_ON(skb_queue_empty(&session->skb_list)))

		return;