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ath10k: re-enable TXQs for all devices

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Commit 4ca1807815 ("ath10k: disable wake_tx_queue for older devices")
disables the use of the mac80211 TXQs for some devices because of a theoretical
throughput regression. The original regression report[1] was related to
fq_codel qdisc drop performance, which was fixed in commit 9d18562a22
("fq_codel: add batch ability to fq_codel_drop()"). Since then, we have not
seen the TXQ-related regression, so it should be safe to re-enable TXQs.

[1] http://lists.infradead.org/pipermail/ath10k/2016-April/007266.html

Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Toke Høiland-Jørgensen 2017-11-10 09:48:39 +09:00 committed by Kalle Valo
parent 626ab6707a
commit 170e8e6176
1 changed files with 0 additions and 9 deletions
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9
drivers/net/wireless/ath/ath10k/mac.c
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@ -8329,15 +8329,6 @@ int ath10k_mac_register(struct ath10k *ar)
ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
}
/* Current wake_tx_queue implementation imposes a significant
* performance penalty in some setups. The tx scheduling code needs
* more work anyway so disable the wake_tx_queue unless firmware
* supports the pull-push mechanism.
*/
if (!test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
ar->running_fw->fw_file.fw_features))
ar->ops->wake_tx_queue = NULL;
ret = ath10k_mac_init_rd(ar);
if (ret) {
ath10k_err(ar, "failed to derive regdom: %d\n", ret);