diff options
| author |   phessler <phessler@openbsd.org> | 2016-09-23 14:06:29 +0000 |
|---|---|---|
| committer | phessler <phessler@openbsd.org> | 2016-09-23 14:06:29 +0000 |
| commit | 0ce6524c4783a619eaacf376e9774ba6bbd5748b (patch) | |
| tree | d1fa55d249a2d6dcf707906ffb2c1b48fc335b91 | |
| parent | It is ok to call free() on NULL pointers. (diff) | |
| download | wireguard-openbsd-0ce6524c4783a619eaacf376e9774ba6bbd5748b.tar.xz wireguard-openbsd-0ce6524c4783a619eaacf376e9774ba6bbd5748b.zip | |
since the kernel ticks are every 10ms, bump our minimum up a little bit.
make it harder to overload the kernel
| -rw-r--r-- | sys/net/bfd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/net/bfd.c b/sys/net/bfd.c index 4f1086b513f..5032c68aacd 100644 --- a/sys/net/bfd.c +++ b/sys/net/bfd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bfd.c,v 1.39 2016/09/23 12:50:17 phessler Exp $ */ +/* $OpenBSD: bfd.c,v 1.40 2016/09/23 14:06:29 phessler Exp $ */ /* * Copyright (c) 2016 Peter Hessler <phessler@openbsd.org> @@ -136,8 +136,8 @@ struct bfd_auth_header { #define BFD_UDP_PORT_ECHO 3785 #define BFD_SECOND 1000000 /* 1,000,000 us == 1 second */ -/* We cannot handle more often than 10ms, so force a minimum */ -#define BFD_MINIMUM 10000 /* 10,000 us == 10 ms */ +/* We currently tick every 10ms, so force a minimum that can be handled */ +#define BFD_MINIMUM 50000 /* 50,000 us == 50 ms */ struct pool bfd_pool, bfd_pool_neigh, bfd_pool_time; @@ -729,7 +729,7 @@ bfd_input(struct bfd_config *bfd, struct mbuf *m) bfd->bc_neighbor->bn_rdemand = (flags & BFD_FLAG_D); bfd->bc_poll = (flags & BFD_FLAG_F); - /* Local change to the algorithm, we don't accept below 10ms */ + /* Local change to the algorithm, we don't accept below 50ms */ if (ntohl(peer->bfd_required_min_rx_interval) < BFD_MINIMUM) goto discard; /* |