From b79d09bbfa93f0f752f7249ad27a08eae0863a6b Mon Sep 17 00:00:00 2001 From: Julian Klaiber Date: Tue, 8 Nov 2022 08:44:06 +0100 Subject: sr: srv6 path tracing api Implements the API for SRv6 Path Tracing Type: feature Signed-off-by: Julian Klaiber Change-Id: Iefa7e512c8e1894595a9e3f5d42eab4160db1f28 --- src/vnet/CMakeLists.txt | 2 + src/vnet/srv6/sr_pt.api | 59 ++++++++++++++++++++++++++++ src/vnet/srv6/sr_pt.h | 2 + src/vnet/srv6/sr_pt_api.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 160 insertions(+) create mode 100644 src/vnet/srv6/sr_pt.api create mode 100644 src/vnet/srv6/sr_pt_api.c (limited to 'src/vnet') diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt index 32ff39ac3f6..fd62217dbf9 100644 --- a/src/vnet/CMakeLists.txt +++ b/src/vnet/CMakeLists.txt @@ -821,6 +821,7 @@ list(APPEND VNET_SOURCES srv6/sr_api.c srv6/sr_pt.c srv6/sr_pt_node.c + srv6/sr_pt_api.c ) list(APPEND VNET_HEADERS @@ -832,6 +833,7 @@ list(APPEND VNET_HEADERS list(APPEND VNET_API_FILES srv6/sr.api srv6/sr_types.api + srv6/sr_pt.api ) ############################################################################## diff --git a/src/vnet/srv6/sr_pt.api b/src/vnet/srv6/sr_pt.api new file mode 100644 index 00000000000..e86359b421f --- /dev/null +++ b/src/vnet/srv6/sr_pt.api @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: Apache-2.0 + * Copyright(c) 2022 Cisco Systems, Inc. + */ + +option version = "1.0.0"; + +import "vnet/interface_types.api"; + +/** \brief SR PT iface dump request + @param client_index - opaque cookie to identifty the sender + @param context - sender context, to match reply w/ request +*/ +define sr_pt_iface_dump +{ + u32 client_index; + u32 context; +}; + +define sr_pt_iface_details +{ + u32 context; + vl_api_interface_index_t sw_if_index; + u16 id; + u8 ingress_load; + u8 egress_load; + u8 tts_template; +}; + +/** \brief SR PT iface add request + @param client_index - opaque cookie to identifty the sender + @param context - sender context, to match reply w/ request + @param sw_if_index - index of the interface to add to SR PT + @param id - SR PT interface id + @param ingress_load - incoming interface load + @param egress_load - outgoing interface load + @param tts_template - truncated timestamp template to use +*/ +autoreply define sr_pt_iface_add +{ + u32 client_index; + u32 context; + vl_api_interface_index_t sw_if_index; + u16 id; + u8 ingress_load; + u8 egress_load; + u8 tts_template; +}; + +/** \brief SR PT iface del request + @param client_index - opaque cookie to identifty the sender + @param context - sender context, to match reply w/ request + @param sw_if_index - index of the interface to delete from SR PT +*/ +autoreply define sr_pt_iface_del +{ + u32 client_index; + u32 context; + vl_api_interface_index_t sw_if_index; +}; \ No newline at end of file diff --git a/src/vnet/srv6/sr_pt.h b/src/vnet/srv6/sr_pt.h index cd70cd09ad2..53001e10ac7 100644 --- a/src/vnet/srv6/sr_pt.h +++ b/src/vnet/srv6/sr_pt.h @@ -75,6 +75,8 @@ typedef struct /* Hash table for sr_pt_iface parameters */ mhash_t sr_pt_iface_index_hash; + /* convenience */ + u16 msg_id_base; } sr_pt_main_t; extern sr_pt_main_t sr_pt_main; diff --git a/src/vnet/srv6/sr_pt_api.c b/src/vnet/srv6/sr_pt_api.c new file mode 100644 index 00000000000..b0b67a210fb --- /dev/null +++ b/src/vnet/srv6/sr_pt_api.c @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: Apache-2.0 + * Copyright(c) 2022 Cisco Systems, Inc. + */ + +#include +#include +#include + +#include +#include + +#include +#include + +#define REPLY_MSG_ID_BASE sr_pt_main.msg_id_base +#include + +static void +send_sr_pt_iface_details (sr_pt_iface_t *t, vl_api_registration_t *reg, + u32 context) +{ + vl_api_sr_pt_iface_details_t *rmp; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + clib_memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SR_PT_IFACE_DETAILS); + + rmp->sw_if_index = ntohl (t->iface); + rmp->id = ntohs (t->id); + rmp->ingress_load = t->ingress_load; + rmp->egress_load = t->egress_load; + rmp->tts_template = t->tts_template; + + rmp->context = context; + + vl_api_send_msg (reg, (u8 *) rmp); +} + +static void +vl_api_sr_pt_iface_dump_t_handler (vl_api_sr_pt_iface_dump_t *mp) +{ + vl_api_registration_t *reg; + sr_pt_main_t *pt = &sr_pt_main; + sr_pt_iface_t *t; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + pool_foreach (t, pt->sr_pt_iface) + { + send_sr_pt_iface_details (t, reg, mp->context); + } +} + +static void +vl_api_sr_pt_iface_add_t_handler (vl_api_sr_pt_iface_add_t *mp) +{ + vl_api_sr_pt_iface_add_reply_t *rmp; + int rv = 0; + + VALIDATE_SW_IF_INDEX (mp); + + rv = sr_pt_add_iface (ntohl (mp->sw_if_index), ntohs (mp->id), + mp->ingress_load, mp->egress_load, mp->tts_template); + + BAD_SW_IF_INDEX_LABEL; + REPLY_MACRO (VL_API_SR_PT_IFACE_ADD_REPLY); +} + +static void +vl_api_sr_pt_iface_del_t_handler (vl_api_sr_pt_iface_del_t *mp) +{ + vl_api_sr_pt_iface_del_reply_t *rmp; + int rv = 0; + + VALIDATE_SW_IF_INDEX (mp); + + rv = sr_pt_del_iface (ntohl (mp->sw_if_index)); + + BAD_SW_IF_INDEX_LABEL; + REPLY_MACRO (VL_API_SR_PT_IFACE_DEL_REPLY); +} + +#include +static clib_error_t * +sr_pt_api_hookup (vlib_main_t *vm) +{ + /* + * Set up the (msg_name, crc, message-id) table + */ + REPLY_MSG_ID_BASE = setup_message_id_table (); + + return 0; +} + +VLIB_API_INIT_FUNCTION (sr_pt_api_hookup); \ No newline at end of file -- cgit 1.2.3-korg