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ath10k: add tracing for frame transmission 

Add tracing support to forward management and data frames to
user space for packet inspection.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Rajkumar Manoharan 2014-10-06 22:39:06 +05:30 committed by Kalle Valo
parent 6db0885a6c
commit 9b57f88f1e
4 changed files with 53 additions and 0 deletions
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3
drivers/net/wireless/ath/ath10k/htt_rx.c
View File

@ -291,6 +291,9 @@ static inline struct sk_buff *ath10k_htt_rx_netbuf_pop(struct ath10k_htt *htt)
htt->rx_ring.sw_rd_idx.msdu_payld = idx;
htt->rx_ring.fill_cnt--;
trace_ath10k_htt_rx_pop_msdu(ar, msdu->data, msdu->len +
skb_tailroom(msdu));
return msdu;
}

1
drivers/net/wireless/ath/ath10k/htt_tx.c
View File

@ -564,6 +564,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
(u32)skb_cb->paddr, vdev_id, tid);
ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "htt tx msdu: ",
msdu->data, msdu->len);
trace_ath10k_htt_tx_msdu(ar, msdu->data, msdu->len);
sg_items[0].transfer_id = 0;
sg_items[0].transfer_context = NULL;

47
drivers/net/wireless/ath/ath10k/trace.h
View File

@ -370,6 +370,53 @@ TRACE_EVENT(ath10k_txrx_tx_unref,
__entry->msdu_id
)
);
DECLARE_EVENT_CLASS(ath10k_data_event,
TP_PROTO(struct ath10k *ar, void *data, size_t len),
TP_ARGS(ar, data, len),
TP_STRUCT__entry(
__string(device, dev_name(ar->dev))
__string(driver, dev_driver_string(ar->dev))
__field(size_t, len)
__dynamic_array(u8, data, len)
),
TP_fast_assign(
__assign_str(device, dev_name(ar->dev));
__assign_str(driver, dev_driver_string(ar->dev));
__entry->len = len;
memcpy(__get_dynamic_array(data), data, len);
),
TP_printk(
"%s %s len %zu\n",
__get_str(driver),
__get_str(device),
__entry->len
)
);
DEFINE_EVENT(ath10k_data_event, ath10k_htt_tx_msdu,
TP_PROTO(struct ath10k *ar, void *data, size_t len),
TP_ARGS(ar, data, len)
);
DEFINE_EVENT(ath10k_data_event, ath10k_htt_rx_pop_msdu,
TP_PROTO(struct ath10k *ar, void *data, size_t len),
TP_ARGS(ar, data, len)
);
DEFINE_EVENT(ath10k_data_event, ath10k_wmi_mgmt_tx,
TP_PROTO(struct ath10k *ar, void *data, size_t len),
TP_ARGS(ar, data, len)
);
DEFINE_EVENT(ath10k_data_event, ath10k_wmi_bcn_tx,
TP_PROTO(struct ath10k *ar, void *data, size_t len),
TP_ARGS(ar, data, len)
);
#endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
/* we don't want to use include/trace/events */

2
drivers/net/wireless/ath/ath10k/wmi.c
View File

@ -834,6 +834,7 @@ int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *skb)
ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mgmt tx skb %p len %d ftype %02x stype %02x\n",
wmi_skb, wmi_skb->len, fc & IEEE80211_FCTL_FTYPE,
fc & IEEE80211_FCTL_STYPE);
trace_ath10k_wmi_mgmt_tx(ar, skb->data, skb->len);
/* Send the management frame buffer to the target */
ret = ath10k_wmi_cmd_send(ar, wmi_skb, ar->wmi.cmd->mgmt_tx_cmdid);
@ -1892,6 +1893,7 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb)
arvif->beacon = bcn;
arvif->beacon_sent = false;
trace_ath10k_wmi_bcn_tx(ar, bcn->data, bcn->len);
ath10k_wmi_tx_beacon_nowait(arvif);
skip:
spin_unlock_bh(&ar->data_lock);