Add vpe-api message to get vxlan tunnel details.

Change-Id: I3bfb84dfcb08c6ff5cb473f3ce05b91b222182a1
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>

8 files changed, 170 insertions, 4 deletions

diff --git a/vnet/vnet/vxlan/vxlan.c b/vnet/vnet/vxlan/vxlan.c
index 75cbc6c6499..316f8cb1907 100644
--- a/vnet/vnet/vxlan/vxlan.c
+++ b/vnet/vnet/vxlan/vxlan.c
@@ -218,6 +218,9 @@ int vnet_vxlan_add_del_tunnel
       t->hw_if_index = hw_if_index;
       t->sw_if_index = sw_if_index = hi->sw_if_index;
       
+      vec_validate_init_empty (vxm->tunnel_index_by_sw_if_index, sw_if_index, ~0);
+      vxm->tunnel_index_by_sw_if_index[sw_if_index] = t - vxm->tunnels;
+
       if (a->decap_next_index == VXLAN_INPUT_NEXT_L2_INPUT)
         {
 	  l2input_main_t * l2im = &l2input_main;
@@ -242,6 +245,8 @@ int vnet_vxlan_add_del_tunnel
       set_int_l2_mode(vxm->vlib_main, vnm, MODE_L3, t->sw_if_index, 0, 0, 0, 0);
       vec_add1 (vxm->free_vxlan_tunnel_hw_if_indices, t->hw_if_index);
 
+      vxm->tunnel_index_by_sw_if_index[t->sw_if_index] = ~0;
+
       hash_unset (vxm->vxlan_tunnel_by_key, key.as_u64);
 
       vec_free (t->rewrite);
diff --git a/vnet/vnet/vxlan/vxlan.h b/vnet/vnet/vxlan/vxlan.h
index 5c82a3dfd9d..b38e65de4c1 100644
--- a/vnet/vnet/vxlan/vxlan.h
+++ b/vnet/vnet/vxlan/vxlan.h
@@ -102,6 +102,9 @@ typedef struct {
   u64 dummy_str [sizeof(ip4_vxlan_header_t)/sizeof(u64) + 2];
 #define vxlan_dummy_rewrite ((u8 *) &vxlan_main.dummy_str[1])
 
+  /* Mapping from sw_if_index to tunnel index */
+  u32 * tunnel_index_by_sw_if_index;
+
   /* convenience */
   vlib_main_t * vlib_main;
   vnet_main_t * vnet_main;
diff --git a/vpp-api-test/Makefile.am b/vpp-api-test/Makefile.am
index ae071bcebe0..a818d831b28 100644
--- a/vpp-api-test/Makefile.am
+++ b/vpp-api-test/Makefile.am
@@ -32,4 +32,3 @@ vpe_json_test_LDADD = -lvppinfra -lm
 nobase_include_HEADERS = vat/vat.h vat/json_format.h
 
 
-dist_bin_SCRIPTS = scripts/vppctl
diff --git a/vpp-api-test/scripts/vppctl b/vpp-api-test/scripts/vppctl
deleted file mode 100644
index b789493f2be..00000000000
--- a/vpp-api-test/scripts/vppctl
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/bash
-echo exec ${@} | vpe_api_test | sed 's/vat# //g'
diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index 352a78a6a4a..a32756bdaaa 100644
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -1880,6 +1880,7 @@ _(L2TPV3_INTERFACE_ENABLE_DISABLE_REPLY,                                \
 _(L2TPV3_SET_LOOKUP_KEY_REPLY, l2tpv3_set_lookup_key_reply)             \
 _(SW_IF_L2TPV3_TUNNEL_DETAILS, sw_if_l2tpv3_tunnel_details)             \
 _(VXLAN_ADD_DEL_TUNNEL_REPLY, vxlan_add_del_tunnel_reply)               \
+_(VXLAN_TUNNEL_DETAILS, vxlan_tunnel_details)                           \
 _(L2_FIB_CLEAR_TABLE_REPLY, l2_fib_clear_table_reply)                   \
 _(L2_INTERFACE_EFP_FILTER_REPLY, l2_interface_efp_filter_reply)         \
 _(L2_INTERFACE_VLAN_TAG_REWRITE_REPLY, l2_interface_vlan_tag_rewrite_reply) \
@@ -6555,6 +6556,86 @@ static int api_vxlan_add_del_tunnel (vat_main_t * vam)
     return 0;
 }
 
+static void vl_api_vxlan_tunnel_details_t_handler
+(vl_api_vxlan_tunnel_details_t * mp)
+{
+    vat_main_t * vam = &vat_main;
+
+    fformat(vam->ofp, "%11d%13U%13U%14d%18d%13d\n",
+            ntohl(mp->sw_if_index),
+            format_ip4_address, &mp->src_address,
+            format_ip4_address, &mp->dst_address,
+            ntohl(mp->encap_vrf_id),
+            ntohl(mp->decap_next_index),
+            ntohl(mp->vni));
+}
+
+static void vl_api_vxlan_tunnel_details_t_handler_json
+(vl_api_vxlan_tunnel_details_t * mp)
+{
+    vat_main_t * vam = &vat_main;
+    vat_json_node_t *node = NULL;
+    struct in_addr ip4;
+
+    if (VAT_JSON_ARRAY != vam->json_tree.type) {
+        ASSERT(VAT_JSON_NONE == vam->json_tree.type);
+        vat_json_init_array(&vam->json_tree);
+    }
+    node = vat_json_array_add(&vam->json_tree);
+
+    vat_json_init_object(node);
+    vat_json_object_add_uint(node, "sw_if_index", ntohl(mp->sw_if_index));
+    memcpy(&ip4, &mp->src_address, sizeof(ip4));
+    vat_json_object_add_ip4(node, "src_address", ip4);
+    memcpy(&ip4, &mp->dst_address, sizeof(ip4));
+    vat_json_object_add_ip4(node, "dst_address", ip4);
+    vat_json_object_add_uint(node, "encap_vrf_id", ntohl(mp->encap_vrf_id));
+    vat_json_object_add_uint(node, "decap_next_index", ntohl(mp->decap_next_index));
+    vat_json_object_add_uint(node, "vni", ntohl(mp->vni));
+}
+
+static int api_vxlan_tunnel_dump (vat_main_t * vam)
+{
+    unformat_input_t * i = vam->input;
+    vl_api_vxlan_tunnel_dump_t *mp;
+    f64 timeout;
+    u32 sw_if_index;
+    u8 sw_if_index_set = 0;
+
+    /* Parse args required to build the message */
+    while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) {
+        if (unformat (i, "sw_if_index %d", &sw_if_index))
+            sw_if_index_set = 1;
+        else
+            break;
+    }
+
+    if (sw_if_index_set == 0) {
+        sw_if_index = ~0;
+    }
+
+    if (!vam->json_output) {
+        fformat(vam->ofp, "%11s%13s%13s%14s%18s%13s\n",
+                "sw_if_index", "src_address", "dst_address",
+                "encap_vrf_id", "decap_next_index", "vni");
+    }
+
+    /* Get list of l2tpv3-tunnel interfaces */
+    M(VXLAN_TUNNEL_DUMP, vxlan_tunnel_dump);
+
+    mp->sw_if_index = htonl(sw_if_index);
+
+    S;
+
+    /* Use a control ping for synchronization */
+    {
+        vl_api_control_ping_t * mp;
+        M(CONTROL_PING, control_ping);
+        S;
+    }
+    W;
+}
+
 static int api_l2_fib_clear_table (vat_main_t * vam)
 {
 //  unformat_input_t * i = vam->input;
@@ -8582,6 +8663,7 @@ _(sw_if_l2tpv3_tunnel_dump, "")                                         \
 _(vxlan_add_del_tunnel,                                                 \
   "src <ip4-addr> dst <ip4-addr> vni [encap-vrf-id <nn>]\n"             \
   " [decap-next l2|ip4|ip6] [del]")                                     \
+_(vxlan_tunnel_dump, "[<intfc> | sw_if_index <nn>]")                    \
 _(l2_fib_clear_table, "")                                               \
 _(l2_interface_efp_filter, "sw_if_index <nn> enable | disable")         \
 _(l2_interface_vlan_tag_rewrite,                                        \
diff --git a/vpp/api/api.c b/vpp/api/api.c
index 7bbb5c030cd..fe9267914ac 100644
--- a/vpp/api/api.c
+++ b/vpp/api/api.c
@@ -271,6 +271,7 @@ _(L2TPV3_INTERFACE_ENABLE_DISABLE, l2tpv3_interface_enable_disable)     \
 _(L2TPV3_SET_LOOKUP_KEY, l2tpv3_set_lookup_key)                         \
 _(SW_IF_L2TPV3_TUNNEL_DUMP, sw_if_l2tpv3_tunnel_dump)                   \
 _(VXLAN_ADD_DEL_TUNNEL, vxlan_add_del_tunnel)                           \
+_(VXLAN_TUNNEL_DUMP, vxlan_tunnel_dump)                                 \
 _(L2_FIB_CLEAR_TABLE, l2_fib_clear_table)                               \
 _(L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter)                     \
 _(L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite)         \
@@ -4118,6 +4119,55 @@ out:
     }));
 }
 
+static void send_vxlan_tunnel_details
+(vxlan_tunnel_t * t, unix_shared_memory_queue_t * q)
+{
+    vl_api_vxlan_tunnel_details_t * rmp;
+    ip4_main_t * im = &ip4_main;
+
+    rmp = vl_msg_api_alloc (sizeof (*rmp));
+    memset (rmp, 0, sizeof (*rmp));
+    rmp->_vl_msg_id = ntohs(VL_API_VXLAN_TUNNEL_DETAILS);
+    rmp->src_address = t->src.data_u32;
+    rmp->dst_address = t->dst.data_u32;
+    rmp->encap_vrf_id = htonl(im->fibs[t->encap_fib_index].table_id);
+    rmp->vni = htonl(t->vni);
+    rmp->decap_next_index = htonl(t->decap_next_index);
+    rmp->sw_if_index = htonl(t->sw_if_index);
+
+    vl_msg_api_send_shmem (q, (u8 *)&rmp);
+}
+
+static void vl_api_vxlan_tunnel_dump_t_handler
+(vl_api_vxlan_tunnel_dump_t * mp)
+{
+    unix_shared_memory_queue_t * q;
+    vxlan_main_t * vxm = &vxlan_main;
+    vxlan_tunnel_t * t;
+    u32 sw_if_index;
+
+    q = vl_api_client_index_to_input_queue (mp->client_index);
+    if (q == 0) {
+        return;
+    }
+
+    sw_if_index = ntohl(mp->sw_if_index);
+
+    if (~0 == sw_if_index) {
+        pool_foreach (t, vxm->tunnels,
+        ({
+            send_vxlan_tunnel_details(t, q);
+        }));
+    } else {
+        if ((sw_if_index >= vec_len(vxm->tunnel_index_by_sw_if_index)) ||
+                (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index])) {
+            return;
+        }
+        t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
+        send_vxlan_tunnel_details(t, q);
+    }
+}
+
 static void 
 vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t *mp)
 {
diff --git a/vpp/api/custom_dump.c b/vpp/api/custom_dump.c
index 784c9d24d91..85740eeeaab 100644
--- a/vpp/api/custom_dump.c
+++ b/vpp/api/custom_dump.c
@@ -1285,6 +1285,18 @@ static void * vl_api_vxlan_add_del_tunnel_t_print
     FINISH;
 }
 
+static void * vl_api_vxlan_tunnel_dump_t_print
+(vl_api_vxlan_tunnel_dump_t * mp, void *handle)
+{
+    u8 * s;
+
+    s = format (0, "SCRIPT: vxlan_tunnel_dump ");
+
+    s = format (s, "sw_if_index %d ", ntohl(mp->sw_if_index));
+
+    FINISH;
+}
+
 static void *vl_api_l2_fib_clear_table_t_print
 (vl_api_l2_fib_clear_table_t * mp, void *handle)
 {
@@ -1737,6 +1749,7 @@ _(L2TPV3_INTERFACE_ENABLE_DISABLE, l2tpv3_interface_enable_disable)     \
 _(L2TPV3_SET_LOOKUP_KEY, l2tpv3_set_lookup_key)                         \
 _(SW_IF_L2TPV3_TUNNEL_DUMP, sw_if_l2tpv3_tunnel_dump)                   \
 _(VXLAN_ADD_DEL_TUNNEL, vxlan_add_del_tunnel)                           \
+_(VXLAN_TUNNEL_DUMP, vxlan_tunnel_dump)                                 \
 _(L2_FIB_CLEAR_TABLE, l2_fib_clear_table)                               \
 _(L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter)                     \
 _(L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite)         \
diff --git a/vpp/api/vpe.api b/vpp/api/vpe.api
index 480558aa4c2..6b54ab82957 100644
--- a/vpp/api/vpe.api
+++ b/vpp/api/vpe.api
@@ -1854,6 +1854,22 @@ define vxlan_add_del_tunnel_reply {
     i32 retval;
     u32 sw_if_index;
 };
+
+manual_java define vxlan_tunnel_dump {
+    u32 client_index;
+    u32 context;
+    u32 sw_if_index;
+};
+
+manual_java define vxlan_tunnel_details {
+    u32 context;
+    u32 sw_if_index;
+    u32 src_address;
+    u32 dst_address;
+    u32 encap_vrf_id;
+    u32 decap_next_index;
+    u32 vni;
+};
   
 /** \brief L2 interface vlan tag rewrite configure request
     @param client_index - opaque cookie to identify the sender
@@ -2062,7 +2078,7 @@ manual_java define ip_address_details {
     u8 prefix_length;
 };
 
-define ip_address_dump {
+manual_java define ip_address_dump {
     u32 client_index;
     u32 context;
     u32 sw_if_index;