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| author | Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> | 2014-09-16 02:13:12 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-09-16 16:18:38 -0400 |
| commit | 982e0395d32780f6b3fcdbced1d17bbe909dd19f (patch) | |
| tree | e880a008b904e785ff33547c1534f46146095b8d | |
| parent | 7aefa8aacbd4694db9a7ea7cbff490a1e31c3613 (diff) | |
| download | lwn-982e0395d32780f6b3fcdbced1d17bbe909dd19f.tar.gz lwn-982e0395d32780f6b3fcdbced1d17bbe909dd19f.zip | |
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: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 0b53b74ffb02..66c5fe81a035 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -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: diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 281986613fb2..93ad31be0ada 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -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 |