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| author | Dimitri Staessens <dimitri@ouroboros.rocks> | 2020-12-05 15:58:15 +0100 |
|---|---|---|
| committer | Sander Vrijders <sander@ouroboros.rocks> | 2020-12-05 16:01:16 +0100 |
| commit | 37ebb798813514bc29b60ea7d28b99ad1036c68d (patch) | |
| tree | 4da77481a549866ecc11763ab6455a457a8f81cc /src/ipcpd | |
| parent | 962b37bb28724bdf28abbe5d48350adba6000ed4 (diff) | |
| download | ouroboros-37ebb798813514bc29b60ea7d28b99ad1036c68d.tar.gz ouroboros-37ebb798813514bc29b60ea7d28b99ad1036c68d.zip | |
ipcpd: Fix off-by-one in Multi-bit (F)ECN policy
Noticed an off-by-one in the packet counter because it was incremented
before and the byte counter after the flow update.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Diffstat (limited to 'src/ipcpd')
| -rw-r--r-- | src/ipcpd/unicast/pol/ca-mb-ecn.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/ipcpd/unicast/pol/ca-mb-ecn.c b/src/ipcpd/unicast/pol/ca-mb-ecn.c index 0542e291..31a646b2 100644 --- a/src/ipcpd/unicast/pol/ca-mb-ecn.c +++ b/src/ipcpd/unicast/pol/ca-mb-ecn.c @@ -119,6 +119,7 @@ ca_wnd_t mb_ecn_ctx_update_snd(void * _ctx, ctx->tx_ctr++; ctx->tx_wpc++; + ctx->tx_wbc += len; if (ctx->tx_ctr > CA_WND) ctx->tx_ece = 0; @@ -153,8 +154,6 @@ ca_wnd_t mb_ecn_ctx_update_snd(void * _ctx, ctx->tx_wpc = 0; } - ctx->tx_wbc += len; - if (ctx->tx_wbc > ctx->tx_wbl) wnd.wait = ((ctx->tx_slot + 1) << ctx->tx_mul) - ts_to_ns(now); else |