[PATCH v2] ath10k: add tracing for frame transmission

[Kalle Valo]

Rajkumar Manoharan <rmanohar at qti.qualcomm.com> writes:

> Add tracing support to forward management and data frames to
> user space for packet inspection.
>
> Signed-off-by: Rajkumar Manoharan <rmanohar at qti.qualcomm.com>

[...]

> --- a/drivers/net/wireless/ath/ath10k/htt_rx.c
> +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
> @@ -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));

Why add skb_tailroom() to the length? I think that deserves a comment.

-- 
Kalle Valo