From bf55e9931ce203049385fbf55dde291ead556679 Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Thu, 4 Oct 2018 06:40:30 -0700 Subject: mss_clamp: TCP MSS clamping plugin Type: feature Configure TCP MSS clamping on an interface as follows: set interface tcp-mss-clamp [rx|tx] ip4 [enable|disable|rx|tx] ip4-mss ip6 [enable|disable|rx|tx] ip6-mss Change-Id: I45b04e50a0b70a33e14a9066f981c651292ebffb Signed-off-by: Neale Ranns Signed-off-by: Paul Vinciguerra Signed-off-by: Miklos Tirpak Signed-off-by: Matthew Smith --- src/plugins/mss_clamp/mss_clamp.h | 55 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/plugins/mss_clamp/mss_clamp.h (limited to 'src/plugins/mss_clamp/mss_clamp.h') diff --git a/src/plugins/mss_clamp/mss_clamp.h b/src/plugins/mss_clamp/mss_clamp.h new file mode 100644 index 00000000000..46aa12aa81f --- /dev/null +++ b/src/plugins/mss_clamp/mss_clamp.h @@ -0,0 +1,55 @@ +/* + * mss_clamp.h - TCP MSS clamping plug-in header file + * + * Copyright (c) 2018 Cisco and/or its affiliates + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __included_mss_clamp_h__ +#define __included_mss_clamp_h__ + +#include /* for bool in .api */ +#include + +extern int mssc_enable_disable (u32 sw_if_index, u8 dir4, u8 dir6, u16 mss4, + u16 mss6); +extern int mssc_get_mss (u32 sw_if_index, u8 *dir4, u8 *dir6, u16 *mss4, + u16 *mss6); + +typedef struct +{ + /* Maximum segment size per interface for IPv4/IPv6 */ + u16 *max_mss4; + u16 *max_mss6; + + /* Direction the feature is enabled for IPv4/IPv6 (rx, tx, both) */ + u8 *dir_enabled4; + u8 *dir_enabled6; + + /* API message ID base */ + u16 msg_id_base; +} mssc_main_t; + +extern mssc_main_t mssc_main; + +#define MSS_CLAMP_UNSET 0xffff + +#endif /* __included_mss_clamp_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg