diff options
Diffstat (limited to 'sys/netinet/tcp_usrreq.c')
| -rw-r--r-- | sys/netinet/tcp_usrreq.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c index a2cf32f1f93..086fd603e19 100644 --- a/sys/netinet/tcp_usrreq.c +++ b/sys/netinet/tcp_usrreq.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_usrreq.c,v 1.172 2019/07/12 19:43:51 bluhm Exp $ */ +/* $OpenBSD: tcp_usrreq.c,v 1.173 2020/06/18 14:52:51 mpi Exp $ */ /* $NetBSD: tcp_usrreq.c,v 1.20 1996/02/13 23:44:16 christos Exp $ */ /* @@ -1061,6 +1061,19 @@ tcp_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, case TCPCTL_STATS: return (tcp_sysctl_tcpstat(oldp, oldlenp, newp)); + case TCPCTL_SYN_BUCKET_LIMIT: + NET_LOCK(); + nval = tcp_syn_bucket_limit; + error = sysctl_int(oldp, oldlenp, newp, newlen, &nval); + if (!error && nval != tcp_syn_bucket_limit) { + if (nval > 0) + tcp_syn_bucket_limit = nval; + else + error = EINVAL; + } + NET_UNLOCK(); + return (error); + case TCPCTL_SYN_USE_LIMIT: NET_LOCK(); error = sysctl_int(oldp, oldlenp, newp, newlen, |