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batman-adv: ELP - use wifi tx bitrate as fallback throughput 

Some wifi drivers (e.g. ath10k) provide per-station rx/tx values but no
estimated throughput. Setting a better estimate than the default 1 MBit
makes these devices work well with B.A.T.M.A.N. V.

Signed-off-by: René Treffer <treffer@measite.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
René Treffer 2019-11-26 10:27:38 +08:00 committed by Simon Wunderlich
parent 69fed4ce2e
commit 2b1aa5a4c6
1 changed files with 10 additions and 3 deletions
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13
net/batman-adv/bat_v_elp.c
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@ -107,10 +107,17 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
}
if (ret)
goto default_throughput;
if (!(sinfo.filled & BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT)))
goto default_throughput;
return sinfo.expected_throughput / 100;
if (sinfo.filled & BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT))
return sinfo.expected_throughput / 100;
/* try to estimate the expected throughput based on reported tx
* rates
*/
if (sinfo.filled & BIT(NL80211_STA_INFO_TX_BITRATE))
return cfg80211_calculate_bitrate(&sinfo.txrate) / 3;
goto default_throughput;
}
/* if not a wifi interface, check if this device provides data via