--- /dev/null
+/*
+ * nsh.c - skeleton vpp-api-test plug-in
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * 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.
+ */
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+#include <nsh/nsh.h>
+
+uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
+
+/* define message IDs */
+#define vl_msg_id(n,h) n,
+typedef enum {
+#include <nsh/nsh.api.h>
+ /* We'll want to know how many messages IDs we need... */
+ VL_MSG_FIRST_AVAILABLE,
+} vl_msg_id_t;
+#undef vl_msg_id
+
+/* define message structures */
+#define vl_typedefs
+#include <nsh/nsh.api.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <nsh/nsh.api.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <nsh/nsh.api.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <nsh/nsh.api.h>
+#undef vl_api_version
+
+#define vl_msg_name_crc_list
+#include <nsh/nsh.api.h>
+#undef vl_msg_name_crc_list
+
+
+typedef struct {
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} nsh_test_main_t;
+
+nsh_test_main_t nsh_test_main;
+
+#define foreach_standard_reply_retval_handler \
+_(nsh_add_del_entry_reply) \
+_(nsh_add_del_map_reply) \
+
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = nsh_test_main.vat_main; \
+ i32 retval = ntohl(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg \
+_(NSH_ADD_DEL_ENTRY_REPLY, nsh_add_del_entry_reply) \
+_(NSH_ENTRY_DETAILS, nsh_entry_details) \
+_(NSH_ADD_DEL_MAP_REPLY, nsh_add_del_map_reply) \
+_(NSH_MAP_DETAILS, nsh_map_details)
+
+
+/* M: construct, but don't yet send a message */
+
+#define M(T,t) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+#define M2(T,t,n) \
+do { \
+ vam->result_ready = 0; \
+ mp = vl_msg_api_alloc(sizeof(*mp)+(n)); \
+ memset (mp, 0, sizeof (*mp)); \
+ mp->_vl_msg_id = ntohs (VL_API_##T + sm->msg_id_base); \
+ mp->client_index = vam->my_client_index; \
+} while(0);
+
+/* S: send a message */
+#define S (vl_msg_api_send_shmem (vam->vl_input_queue, (u8 *)&mp))
+
+/* W: wait for results, with timeout */
+#define W \
+do { \
+ timeout = vat_time_now (vam) + 1.0; \
+ \
+ while (vat_time_now (vam) < timeout) { \
+ if (vam->result_ready == 1) { \
+ return (vam->retval); \
+ } \
+ } \
+ return -99; \
+} while(0);
+
+static int api_nsh_add_del_entry (vat_main_t * vam)
+{
+ nsh_test_main_t * sm = &nsh_test_main;
+ unformat_input_t * line_input = vam->input;
+ f64 timeout;
+ u8 is_add = 1;
+ u8 ver_o_c = 0;
+ u8 length = 0;
+ u8 md_type = 0;
+ u8 next_protocol = 1; /* default: ip4 */
+ u32 nsp;
+ u8 nsp_set = 0;
+ u32 nsi;
+ u8 nsi_set = 0;
+ u32 nsp_nsi;
+ u32 c1 = 0;
+ u32 c2 = 0;
+ u32 c3 = 0;
+ u32 c4 = 0;
+ u32 tmp;
+ vl_api_nsh_add_del_entry_t * mp;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "version %d", &tmp))
+ ver_o_c |= (tmp & 3) << 6;
+ else if (unformat (line_input, "o-bit %d", &tmp))
+ ver_o_c |= (tmp & 1) << 5;
+ else if (unformat (line_input, "c-bit %d", &tmp))
+ ver_o_c |= (tmp & 1) << 4;
+ else if (unformat (line_input, "md-type %d", &tmp))
+ md_type = tmp;
+ else if (unformat(line_input, "next-ip4"))
+ next_protocol = 1;
+ else if (unformat(line_input, "next-ip6"))
+ next_protocol = 2;
+ else if (unformat(line_input, "next-ethernet"))
+ next_protocol = 3;
+ else if (unformat (line_input, "c1 %d", &c1))
+ ;
+ else if (unformat (line_input, "c2 %d", &c2))
+ ;
+ else if (unformat (line_input, "c3 %d", &c3))
+ ;
+ else if (unformat (line_input, "c4 %d", &c4))
+ ;
+ else if (unformat (line_input, "nsp %d", &nsp))
+ nsp_set = 1;
+ else if (unformat (line_input, "nsi %d", &nsi))
+ nsi_set = 1;
+ else
+ return -99; // PARSE ERROR;
+ }
+
+ unformat_free (line_input);
+
+ if (nsp_set == 0)
+ return -1; //TODO Error type for this cond: clib_error_return (0, "nsp not specified");
+
+ if (nsi_set == 0)
+ return -2; //TODO Error type for this cond:clib_error_return (0, "nsi not specified");
+
+ if (md_type == 1)
+ length = 6;
+ else if (md_type == 2)
+ length = 2; /* base header length */
+
+ nsp_nsi = (nsp<<8) | nsi;
+
+ /* Construct the API message */
+ M(NSH_ADD_DEL_ENTRY, nsh_add_del_entry);
+ mp->is_add = is_add;
+
+#define _(x) mp->x = x;
+ foreach_copy_nsh_base_hdr_field;
+#undef _
+
+
+ /* send it... */
+ S;
+
+ /* Wait for a reply... */
+ W;
+}
+
+static void vl_api_nsh_entry_details_t_handler
+(vl_api_nsh_entry_details_t * mp)
+{
+ vat_main_t * vam = &vat_main;
+
+ fformat(vam->ofp, "%11d%11d%11d%11d%14d%14d%14d%14d%14d\n",
+ mp->ver_o_c,
+ mp->length,
+ mp->md_type,
+ mp->next_protocol,
+ ntohl(mp->nsp_nsi),
+ ntohl(mp->c1),
+ ntohl(mp->c2),
+ ntohl(mp->c3),
+ ntohl(mp->c4));
+}
+
+static int api_nsh_entry_dump (vat_main_t * vam)
+{
+ nsh_test_main_t * sm = &nsh_test_main;
+ vl_api_nsh_entry_dump_t *mp;
+ f64 timeout;
+
+ if (!vam->json_output) {
+ fformat(vam->ofp, "%11s%11s%15s%14s%14s%13s%13s%13s%13s\n",
+ "ver_o_c", "length", "md_type", "next_protocol",
+ "nsp_nsi", "c1", "c2", "c3", "c4");
+ }
+
+ /* Get list of nsh entries */
+ M(NSH_ENTRY_DUMP, nsh_entry_dump);
+
+ /* send it... */
+ S;
+
+ /* Wait for a reply... */
+ W;
+}
+
+static int api_nsh_add_del_map (vat_main_t * vam)
+{
+ nsh_test_main_t * sm = &nsh_test_main;
+ unformat_input_t * line_input = vam->input;
+ f64 timeout;
+ u8 is_add = 1;
+ u32 nsp, nsi, mapped_nsp, mapped_nsi;
+ int nsp_set = 0, nsi_set = 0, mapped_nsp_set = 0, mapped_nsi_set = 0;
+ u32 next_node = ~0;
+ u32 sw_if_index = ~0; // temporary requirement to get this moved over to NSHSFC
+ vl_api_nsh_add_del_map_t * mp;
+
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "nsp %d", &nsp))
+ nsp_set = 1;
+ else if (unformat (line_input, "nsi %d", &nsi))
+ nsi_set = 1;
+ else if (unformat (line_input, "mapped-nsp %d", &mapped_nsp))
+ mapped_nsp_set = 1;
+ else if (unformat (line_input, "mapped-nsi %d", &mapped_nsi))
+ mapped_nsi_set = 1;
+ else if (unformat (line_input, "encap-gre4-intf %d", &sw_if_index))
+ next_node = NSH_NODE_NEXT_ENCAP_GRE4;
+ else if (unformat (line_input, "encap-gre6-intf %d", &sw_if_index))
+ next_node = NSH_NODE_NEXT_ENCAP_GRE6;
+ else if (unformat (line_input, "encap-vxlan-gpe-intf %d", &sw_if_index))
+ next_node = NSH_NODE_NEXT_ENCAP_VXLANGPE;
+ else if (unformat (line_input, "encap-none"))
+ next_node = NSH_NODE_NEXT_DROP; // Once moved to NSHSFC see nsh.h:foreach_nsh_input_next to handle this case
+ else
+ return -99; //TODO clib_error_return (0, "parse error: '%U'",
+ }
+
+ unformat_free (line_input);
+
+ if (nsp_set == 0 || nsi_set == 0)
+ return -1; // TODO create return value: clib_error_return (0, "nsp nsi pair required. Key: for NSH entry");
+
+ if (mapped_nsp_set == 0 || mapped_nsi_set == 0)
+ return -2; // TODO create return valuee clib_error_return (0, "mapped-nsp mapped-nsi pair required. Key: for NSH entry");
+
+ if (next_node == ~0)
+ return -3; //TODO clib_error_return (0, "must specific action: [encap-gre-intf <nn> | encap-vxlan-gpe-intf <nn> | encap-none]");
+
+
+ M(NSH_ADD_DEL_MAP, nsh_add_del_map);
+ /* set args structure */
+ mp->is_add = is_add;
+ mp->nsp_nsi = (nsp<< NSH_NSP_SHIFT) | nsi;
+ mp->mapped_nsp_nsi = (mapped_nsp<< NSH_NSP_SHIFT) | mapped_nsi;
+ mp->sw_if_index = sw_if_index;
+ mp->next_node = next_node;
+
+ /* send it... */
+ S;
+
+ /* Wait for a reply... */
+ W;
+
+
+}
+
+static void vl_api_nsh_map_details_t_handler
+(vl_api_nsh_map_details_t * mp)
+{
+ vat_main_t * vam = &vat_main;
+
+ fformat(vam->ofp, "%14d%14d%14d%14d\n",
+ ntohl(mp->nsp_nsi),
+ ntohl(mp->mapped_nsp_nsi),
+ ntohl(mp->sw_if_index),
+ ntohl(mp->next_node));
+}
+
+static int api_nsh_map_dump (vat_main_t * vam)
+{
+ nsh_test_main_t * sm = &nsh_test_main;
+ vl_api_nsh_map_dump_t *mp;
+ f64 timeout;
+
+ if (!vam->json_output) {
+ fformat(vam->ofp, "%16s%16s%13s%13s\n",
+ "nsp_nsi", "mapped_nsp_nsi", "sw_if_index", "next_node");
+ }
+
+ /* Get list of nsh entries */
+ M(NSH_MAP_DUMP, nsh_map_dump);
+
+ /* send it... */
+ S;
+
+ /* Wait for a reply... */
+ W;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg \
+_(nsh_add_del_entry, "{nsp <nn> nsi <nn>} c1 <nn> c2 <nn> c3 <nn> c4 <nn> [md-type <nn>] [tlv <xx>] [del]") \
+_(nsh_entry_dump, "") \
+_(nsh_add_del_map, "nsp <nn> nsi <nn> [del] mapped-nsp <nn> mapped-nsi <nn> [encap-gre-intf <nn> | encap-vxlan-gpe-intf <nn> | encap-none]") \
+_(nsh_map_dump, "")
+
+void vat_api_hookup (vat_main_t *vam)
+{
+ nsh_test_main_t * sm = &nsh_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t * vat_plugin_register (vat_main_t *vam)
+{
+ nsh_test_main_t * sm = &nsh_test_main;
+ u8 * name;
+
+ sm->vat_main = vam;
+
+ /* Ask the vpp engine for the first assigned message-id */
+ name = format (0, "nsh_%08x%c", api_version, 0);
+ sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+ if (sm->msg_id_base != (u16) ~0)
+ vat_api_hookup (vam);
+
+ vec_free(name);
+
+ return 0;
+}
Code Review / vpp.git / blobdiff