Commit 982e0395 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by John W. Linville
Browse files

ath9k: add sampling methods for (tx|rx) timestamp 



Add sampling methods for ACK RX timestamp in ath_rx_tasklet() and for TX frame
timestamp in ath_tx_complete_aggr() and in ath_tx_process_buffer(). These
samples will be used in dynack processing for ACK timeout estimation

Signed-off-by: default avatarLorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7aefa8aa

drivers/net/wireless/ath/ath9k/recv.c

+5 −0
Original line number Diff line number Diff line
@@ -1007,6 +1007,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) 
	unsigned long flags;

	dma_addr_t new_buf_addr;

	unsigned int budget = 512;

	struct ieee80211_hdr *hdr;



	if (edma)

		dma_type = DMA_BIDIRECTIONAL;
@@ -1136,6 +1137,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) 
		ath9k_apply_ampdu_details(sc, &rs, rxs);

		ath_debug_rate_stats(sc, &rs, skb);



		hdr = (struct ieee80211_hdr *)skb->data;

		if (ieee80211_is_ack(hdr->frame_control))

			ath_dynack_sample_ack_ts(sc->sc_ah, skb, rs.rs_tstamp);



		ieee80211_rx(hw, skb);



requeue_drop_frag:

drivers/net/wireless/ath/ath9k/xmit.c

+5 −0
Original line number Diff line number Diff line
@@ -587,6 +587,10 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, 
				memcpy(tx_info->control.rates, rates, sizeof(rates));

				ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok);

				rc_update = false;

				if (bf == bf->bf_lastbf)

					ath_dynack_sample_tx_ts(sc->sc_ah,

								bf->bf_mpdu,

								ts);

			}



			ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
@@ -687,6 +691,7 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq, 
			memcpy(info->control.rates, bf->rates,

			       sizeof(info->control.rates));

			ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);

			ath_dynack_sample_tx_ts(sc->sc_ah, bf->bf_mpdu, ts);

		}

		ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok);

	} else

CRA Git | Maintained and supported by SUSTech CRA and CCSE