bf55e9931c
Type: feature Configure TCP MSS clamping on an interface as follows: set interface tcp-mss-clamp [rx|tx] <interface-name> ip4 [enable|disable|rx|tx] ip4-mss <size> ip6 [enable|disable|rx|tx] ip6-mss <size> Change-Id: I45b04e50a0b70a33e14a9066f981c651292ebffb Signed-off-by: Neale Ranns <neale.ranns@cisco.com> Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com> Signed-off-by: Miklos Tirpak <miklos.tirpak@gmail.com> Signed-off-by: Matthew Smith <mgsmith@netgate.com>
113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
/* Hey Emacs use -*- mode: C -*- */
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/*
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* Copyright (c) 2016 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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option version = "1.0.0";
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import "vnet/interface_types.api";
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/** \brief TCP MSS Clamping direction flag
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*/
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enumflag mss_clamp_dir : u8 {
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MSS_CLAMP_DIR_NONE = 0x0,
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MSS_CLAMP_DIR_RX = 0x1,
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MSS_CLAMP_DIR_TX = 0x2,
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};
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/** \brief Enable/Disable TCP MSS Clamping feature on an interface
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@param client_index - opaque cookie to identify the sender
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@param context - sender context, to match reply w/ request
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@param sw_if_index - interface index on which clamping will be applied
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@param ipv4_mss - Maximum Segment Size for IPv4/TCP
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@param ipv6_mss - Maximum Segment Size for IPv6/TCP
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@param ipv4_direction - Direction clamping is enabled on (IPv4/TCP)
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@param ipv6_direction - Direction clamping is enabled on (IPv6/TCP)
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*/
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autoreply define mss_clamp_enable_disable {
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u32 client_index;
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u32 context;
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vl_api_interface_index_t sw_if_index;
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u16 ipv4_mss;
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u16 ipv6_mss;
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vl_api_mss_clamp_dir_t ipv4_direction;
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vl_api_mss_clamp_dir_t ipv6_direction;
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};
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/** \brief Get the list of configured mss values
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@param client_index - opaque cookie to identify the sender
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*/
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service {
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rpc mss_clamp_get returns mss_clamp_get_reply
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stream mss_clamp_details;
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};
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/** \brief Get the TCP MSS Clamping feature settings
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@param client_index - opaque cookie to identify the sender
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@param context - sender context, to match reply w/ request
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@param cursor - cursor to continue when there is more to read
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@param sw_if_index - interface index to filter the result,
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~0 means no filter
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*/
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define mss_clamp_get {
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u32 client_index;
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u32 context;
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u32 cursor;
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vl_api_interface_index_t sw_if_index;
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};
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/** \brief Reply for get TCP MSS Clamping feature settings request
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@param context - returned sender context, to match reply w/ request
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@param retval - return code
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@param cursor - cursor to continue when there is more to read
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*/
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define mss_clamp_get_reply {
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u32 context;
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i32 retval;
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u32 cursor;
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};
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/** \brief Configured MSS values on an interface
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@param context - returned sender context, to match reply w/ request
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@param sw_if_index - interface index on which clamping is applied
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@param ipv4_mss - Maximum Segment Size for IPv4/TCP
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@param ipv6_mss - Maximum Segment Size for IPv6/TCP
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@param ipv4_direction - Direction clamping is enabled on (IPv4/TCP)
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@param ipv6_direction - Direction clamping is enabled on (IPv6/TCP)
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*/
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define mss_clamp_details {
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u32 context;
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vl_api_interface_index_t sw_if_index;
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u16 ipv4_mss;
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u16 ipv6_mss;
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vl_api_mss_clamp_dir_t ipv4_direction;
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vl_api_mss_clamp_dir_t ipv6_direction;
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};
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counters mss_clamp {
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clamped {
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severity info;
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type counter64;
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units "packets";
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description "packets clamped";
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};
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};
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paths {
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"/err/tcp-mss-clamping-ip4-in" "mss-clamp";
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"/err/tcp-mss-clamping-ip4-out" "mss-clamp";
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"/err/tcp-mss-clamping-ip6-in" "mss-clamp";
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"/err/tcp-mss-clamping-ip6-out" "mss-clamp";
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};
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