diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/or/scheduler_kist.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/or/scheduler_kist.c b/src/or/scheduler_kist.c index e02926e478..7028b7fa89 100644 --- a/src/or/scheduler_kist.c +++ b/src/or/scheduler_kist.c @@ -264,10 +264,13 @@ update_socket_info_impl, (socket_table_ent_t *ent)) * ^ ((cwnd * mss) * factor) bytes */ - /* Assuming all these values from the kernel are uint32_t still, they will - * always fit into a int64_t tcp_space variable. */ - tcp_space = (ent->cwnd - ent->unacked) * (int64_t)ent->mss; - if (tcp_space < 0) { + /* These values from the kernel are uint32_t, they will always fit into a + * int64_t tcp_space variable but if the congestion window cwnd is smaller + * than the unacked packets, the remaining TCP space is set to 0 so we don't + * write more on this channel. */ + if (ent->cwnd >= ent->unacked) { + tcp_space = (ent->cwnd - ent->unacked) * (int64_t)(ent->mss); + } else { tcp_space = 0; } |