brcmfmac: add tracepoint for capturing the SDPCM header

Having the SDPCM header information in the traces is a valuable
piece of information.

Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2013-10-15 15:44:47 +02:00 committed by John W. Linville
parent b4caee6a4a
commit 76584ece25
2 changed files with 20 additions and 0 deletions

View File

@ -1147,6 +1147,8 @@ static int brcmf_sdio_hdparse(struct brcmf_sdio *bus, u8 *header,
u8 rx_seq, fc, tx_seq_max;
u32 swheader;
trace_brcmf_sdpcm_hdr(false, header);
/* hw header */
len = get_unaligned_le16(header);
checksum = get_unaligned_le16(header + sizeof(u16));
@ -1269,6 +1271,7 @@ static void brcmf_sdio_hdpack(struct brcmf_sdio *bus, u8 *header,
SDPCM_DOFFSET_MASK;
*(((__le32 *)header) + 1) = cpu_to_le32(sw_header);
*(((__le32 *)header) + 2) = 0;
trace_brcmf_sdpcm_hdr(true, header);
}
static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)

View File

@ -110,6 +110,23 @@ TRACE_EVENT(brcmf_bdchdr,
TP_printk("bdc: prio=%d siglen=%d", __entry->prio, __entry->siglen)
);
TRACE_EVENT(brcmf_sdpcm_hdr,
TP_PROTO(bool tx, void *data),
TP_ARGS(tx, data),
TP_STRUCT__entry(
__field(u8, tx)
__field(u16, len)
__array(u8, hdr, 12)
),
TP_fast_assign(
memcpy(__entry->hdr, data, 12);
__entry->len = __entry->hdr[0] | (__entry->hdr[1] << 8);
__entry->tx = tx ? 1 : 0;
),
TP_printk("sdpcm: %s len %u, seq %d", __entry->tx ? "TX" : "RX",
__entry->len, __entry->hdr[4])
);
#ifdef CONFIG_BRCM_TRACING
#undef TRACE_INCLUDE_PATH