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

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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>
This commit is contained in:
Lorenzo Bianconi 2014-09-16 02:13:12 +02:00 committed by John W. Linville
parent 7aefa8aacb
commit 982e0395d3
2 changed files with 10 additions and 0 deletions
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5
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -1007,6 +1007,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
unsigned long flags; unsigned long flags;
dma_addr_t new_buf_addr; dma_addr_t new_buf_addr;
unsigned int budget = 512; unsigned int budget = 512;
struct ieee80211_hdr *hdr;
if (edma) if (edma)
dma_type = DMA_BIDIRECTIONAL; 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); ath9k_apply_ampdu_details(sc, &rs, rxs);
ath_debug_rate_stats(sc, &rs, skb); 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); ieee80211_rx(hw, skb);
requeue_drop_frag: requeue_drop_frag:

5
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -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)); memcpy(tx_info->control.rates, rates, sizeof(rates));
ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok); ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok);
rc_update = false; 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, 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, memcpy(info->control.rates, bf->rates,
sizeof(info->control.rates)); sizeof(info->control.rates));
ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok); 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); ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok);
} else } else