diff options
Diffstat (limited to 'usr/src/uts/common/inet/tcp_impl.h')
| -rw-r--r-- | usr/src/uts/common/inet/tcp_impl.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/usr/src/uts/common/inet/tcp_impl.h b/usr/src/uts/common/inet/tcp_impl.h index c3274a7491..da0947bccb 100644 --- a/usr/src/uts/common/inet/tcp_impl.h +++ b/usr/src/uts/common/inet/tcp_impl.h @@ -22,6 +22,7 @@ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2011, Joyent Inc. All rights reserved. * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. */ #ifndef _INET_TCP_IMPL_H @@ -54,6 +55,17 @@ extern struct qinit tcp_winit; extern sock_downcalls_t sock_tcp_downcalls; /* + * Note that by default, the _snd_lowat_fraction tunable controls the value of + * the transmit low water mark. TCP_XMIT_LOWATER (and thus the _xmit_lowat + * property) is only used if the administrator has disabled _snd_lowat_fraction + * by setting it to 0. + */ +#define TCP_XMIT_LOWATER 4096 +#define TCP_XMIT_HIWATER 49152 +#define TCP_RECV_LOWATER 2048 +#define TCP_RECV_HIWATER 128000 + +/* * Bind hash list size and has function. It has to be a power of 2 for * hashing. */ |