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batman-adv: ELP - send unicast ELP packets for throughput sampling

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In case of an unused wireless link, the mac80211 throughput estimation
won't get updated further. Consequently, the reported throughput metric
will become obsolete.

With this patch unicast sampling is introduced by periodically sending
unicast ELP packets to each neighbor on idle WiFi links. These sampling
packets will fill an entire frame, so that the measurement is as
reliable as possible

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
This commit is contained in:
Antonio Quartulli
2015-11-10 18:51:22 +01:00
committed by Antonio Quartulli
parent c833484e5f
commit 8d2d499e08
2 changed files with 72 additions and 0 deletions
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3
net/batman-adv/main.h
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@@ -63,6 +63,9 @@
/* B.A.T.M.A.N. V */
#define BATADV_THROUGHPUT_DEFAULT_VALUE 10 /* 1 Mbps */
#define BATADV_ELP_PROBES_PER_NODE 2
#define BATADV_ELP_MIN_PROBE_SIZE 200 /* bytes */
#define BATADV_ELP_PROBE_MAX_TX_DIFF 100 /* milliseconds */
#define BATADV_ELP_MAX_AGE 64
#define BATADV_OGM_MAX_ORIGDIFF 5
#define BATADV_OGM_MAX_AGE 64