[PATCH v2] ath10k: extend debug code for RX path

[Janusz Dziedzic]

Print sequence number, AMSDU_MORE flag and AC when additional
debug enabled in RX path. This is usefull for debugging purpose.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic at tieto.com>
---
 drivers/net/wireless/ath/ath10k/htt_rx.c |   41 ++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index d80fcda..f7c8021 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -818,19 +818,55 @@ static bool ath10k_htt_rx_h_channel(struct ath10k *ar,
 	return true;
 }
 
+static const char * const tid_to_ac[] = {
+	"BE",
+	"BK",
+	"BK",
+	"BE",
+	"VI",
+	"VI",
+	"VO",
+	"VO",
+};
+
+static char *ath10k_get_tid(struct ieee80211_hdr *hdr, char *out, size_t size)
+{
+	u8 *qc;
+	int tid;
+
+	if (!ieee80211_is_data_qos(hdr->frame_control))
+		return "";
+
+	qc = ieee80211_get_qos_ctl(hdr);
+	tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
+	if (tid < 8)
+		snprintf(out, size, "tid %d (%s)", tid, tid_to_ac[tid]);
+	else
+		snprintf(out, size, "tid %d", tid);
+
+	return out;
+}
+
 static void ath10k_process_rx(struct ath10k *ar,
 			      struct ieee80211_rx_status *rx_status,
 			      struct sk_buff *skb)
 {
 	struct ieee80211_rx_status *status;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	char tid[32];
 
 	status = IEEE80211_SKB_RXCB(skb);
 	*status = *rx_status;
 
 	ath10k_dbg(ATH10K_DBG_DATA,
-		   "rx skb %p len %u %s%s%s%s%s %srate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %imic-err %i\n",
+		   "rx skb %p len %u peer %pM %s %s sn %u %s%s%s%s%s %srate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n",
 		   skb,
 		   skb->len,
+		   ieee80211_get_SA(hdr),
+		   ath10k_get_tid(hdr, tid, sizeof(tid)),
+		   is_multicast_ether_addr(ieee80211_get_DA(hdr)) ?
+							"mcast" : "ucast",
+		   (__le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4,
 		   status->flag == 0 ? "legacy" : "",
 		   status->flag & RX_FLAG_HT ? "ht" : "",
 		   status->flag & RX_FLAG_VHT ? "vht" : "",
@@ -842,7 +878,8 @@ static void ath10k_process_rx(struct ath10k *ar,
 		   status->freq,
 		   status->band, status->flag,
 		   !!(status->flag & RX_FLAG_FAILED_FCS_CRC),
-		   !!(status->flag & RX_FLAG_MMIC_ERROR));
+		   !!(status->flag & RX_FLAG_MMIC_ERROR),
+		   !!(status->flag & RX_FLAG_AMSDU_MORE));
 	ath10k_dbg_dump(ATH10K_DBG_HTT_DUMP, NULL, "rx skb: ",
 			skb->data, skb->len);
 
-- 
1.7.9.5