sr: srv6 path tracing api
Implements the API for SRv6 Path Tracing
Type: feature
Signed-off-by: Julian Klaiber <julian@klaiber.me>
Change-Id: Iefa7e512c8e1894595a9e3f5d42eab4160db1f28
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index 32ff39a..fd62217 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -821,6 +821,7 @@
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_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 0000000..e86359b
--- /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 cd70cd0..53001e1 100644
--- a/src/vnet/srv6/sr_pt.h
+++ b/src/vnet/srv6/sr_pt.h
@@ -75,6 +75,8 @@
/* 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 0000000..b0b67a2
--- /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 <vnet/vnet.h>
+#include <vlibmemory/api.h>
+#include <vnet/srv6/sr_pt.h>
+
+#include <vnet/interface.h>
+#include <vnet/api_errno.h>
+
+#include <vnet/srv6/sr_pt.api_enum.h>
+#include <vnet/srv6/sr_pt.api_types.h>
+
+#define REPLY_MSG_ID_BASE sr_pt_main.msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
+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 <vnet/srv6/sr_pt.api.c>
+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