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Decrease rate instead of degrading the path

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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
This commit is contained in:
Adrien Gallouët
2019-11-05 17:52:18 +00:00
parent 67a660117e
commit 79dc61e7dc
1 changed files with 12 additions and 13 deletions
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25
mud.c
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@@ -1242,14 +1242,18 @@ mud_update_window(struct mud *mud, struct mud_path *path,
uint64_t send_dt, uint64_t send_bytes,
uint64_t recv_dt, uint64_t recv_bytes)
{
if (send_bytes && send_bytes >= recv_bytes) {
path->tx.loss = (send_bytes - recv_bytes) * 100 / send_bytes;
if (path->tx.loss < mud->loss_limit) {
if (path->loss_count > -MUD_LOSS_COUNT)
path->loss_count--;
} else {
if (path->loss_count < MUD_LOSS_COUNT)
if (recv_bytes && send_bytes >= recv_bytes) {
uint64_t loss = send_bytes - recv_bytes;
path->tx.loss = loss * 100 / send_bytes;
if (path->tx.loss > mud->loss_limit) {
if (path->loss_count < MUD_LOSS_COUNT) {
path->loss_count++;
} else {
path->loss_count = 0;
path->tx.rate -= loss * path->tx.rate / send_bytes;
}
} else {
path->loss_count = 0;
}
}
@@ -1288,9 +1292,7 @@ mud_recv_msg(struct mud *mud, struct mud_path *path,
path->rx.loss = (uint64_t)msg->loss;
path->msg_sent = 0;
if (path->loss_count == -MUD_LOSS_COUNT) // tmp hack
path->ok = 1;
path->ok = 1;
} else {
mud_keyx_init(mud, now);
path->state = (enum mud_state)msg->state;
@@ -1484,9 +1486,6 @@ mud_update(struct mud *mud)
}
}
if (path->loss_count == MUD_LOSS_COUNT)
mud_reset_path(path);
if (path->ok) {
if (!mtu || mtu > path->mtu.ok) {
mtu = path->mtu.ok;