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mac80211: mesh: Add support for HW RC implementation

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Mesh HWMP module will be able to rely on the HW
RC algorithm if it exists, for path metric calculations.

This allows the metric calculation mechanism to calculate
a correct metric, based on PER and last TX rate both via
HW RC algorithm if it exists or via parameters collected
by the SW.

Signed-off-by: Maxim Altshul <maxim.altshul@ti.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Maxim Altshul
2016-07-11 17:15:24 +03:00
committed by Johannes Berg
parent 6cdaf03f8c
commit 3b17fbf87d
3 changed files with 40 additions and 12 deletions
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23
net/mac80211/sta_info.c
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@@ -2279,16 +2279,31 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
thr = sta_get_expected_throughput(sta);
if (thr != 0) {
sinfo->filled |= BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT);
sinfo->expected_throughput = thr;
}
}
u32 sta_get_expected_throughput(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
struct rate_control_ref *ref = NULL;
u32 thr = 0;
if (test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
ref = local->rate_ctrl;
/* check if the driver has a SW RC implementation */
if (ref && ref->ops->get_expected_throughput)
thr = ref->ops->get_expected_throughput(sta->rate_ctrl_priv);
else
thr = drv_get_expected_throughput(local, &sta->sta);
if (thr != 0) {
sinfo->filled |= BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT);
sinfo->expected_throughput = thr;
}
return thr;
}
unsigned long ieee80211_sta_last_active(struct sta_info *sta)