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authorChris Luke <chrisy@flirble.org>2016-04-28 13:44:38 -0400
committerDave Barach <openvpp@barachs.net>2016-04-29 14:32:58 +0000
commit27fe48f6990d00829c5b60f7cc4b532705baea25 (patch)
tree212e370453d011928a3f2636d0b603b68568a66b
parent210bfc8eaa31d5fae80e603ca4f7972944486e4b (diff)
VPP-25 Add API for GRE tunnel create/delete/show.
Add API methods to create, delete and show GRE tunnels. Also add missing CLI functionality for deleting and listing configured tunnels. Change-Id: I7565966037d94ade07938e4ff0d9333419716857 Signed-off-by: Chris Luke <chrisy@flirble.org>
-rw-r--r--vnet/vnet/gre/gre.h17
-rw-r--r--vnet/vnet/gre/interface.c189
-rw-r--r--vpp-api-test/vat/api_format.c164
-rw-r--r--vpp/api/api.c92
-rw-r--r--vpp/api/custom_dump.c36
-rw-r--r--vpp/api/vpe.api29
6 files changed, 479 insertions, 48 deletions
diff --git a/vnet/vnet/gre/gre.h b/vnet/vnet/gre/gre.h
index de9db32bc8f..6cbe4aa1184 100644
--- a/vnet/vnet/gre/gre.h
+++ b/vnet/vnet/gre/gre.h
@@ -54,6 +54,7 @@ typedef struct {
ip4_address_t tunnel_dst;
u32 outer_fib_index;
u32 hw_if_index;
+ u32 sw_if_index;
} gre_tunnel_t;
typedef struct {
@@ -67,6 +68,12 @@ typedef struct {
/* Hash mapping src/dst addr pair to tunnel */
uword * tunnel_by_key;
+ /* Free vlib hw_if_indices */
+ u32 * free_vxlan_tunnel_hw_if_indices;
+
+ /* 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;
@@ -115,4 +122,14 @@ gre_register_input_protocol (vlib_main_t * vm,
/* manually added to the interface output node in gre.c */
#define GRE_OUTPUT_NEXT_LOOKUP 1
+typedef struct {
+ u8 is_add;
+
+ ip4_address_t src, dst;
+ u32 outer_table_id;
+} vnet_gre_add_del_tunnel_args_t;
+
+int vnet_gre_add_del_tunnel
+ (vnet_gre_add_del_tunnel_args_t *a, u32 * sw_if_indexp);
+
#endif /* included_gre_h */
diff --git a/vnet/vnet/gre/interface.c b/vnet/vnet/gre/interface.c
index 69c1583e329..c1b9ddd72bc 100644
--- a/vnet/vnet/gre/interface.c
+++ b/vnet/vnet/gre/interface.c
@@ -18,67 +18,127 @@
#include <vnet/vnet.h>
#include <vnet/pg/pg.h>
#include <vnet/gre/gre.h>
+#include <vnet/ip/format.h>
-int
-gre_register_interface (vnet_main_t * vnm,
- u32 dev_class_index,
- ip4_address_t *tunnel_src,
- ip4_address_t *tunnel_dst,
- u32 outer_fib_id,
- u32 * gi_index_return)
+u8 * format_gre_tunnel (u8 * s, va_list * args)
{
+ gre_tunnel_t * t = va_arg (*args, gre_tunnel_t *);
gre_main_t * gm = &gre_main;
+
+ s = format (s,
+ "[%d] %U (src) %U (dst) outer_fib_index %d",
+ t - gm->tunnels,
+ format_ip4_address, &t->tunnel_src,
+ format_ip4_address, &t->tunnel_dst,
+ t->outer_fib_index);
+ return s;
+}
+
+int vnet_gre_add_del_tunnel
+ (vnet_gre_add_del_tunnel_args_t *a, u32 * sw_if_indexp)
+{
+ gre_main_t * gm = &gre_main;
+ vnet_main_t * vnm = gm->vnet_main;
ip4_main_t * im = &ip4_main;
gre_tunnel_t * t;
vnet_hw_interface_t * hi;
- u32 hw_if_index;
+ u32 hw_if_index, sw_if_index;
u32 slot;
u32 outer_fib_index;
uword * p;
+ u64 key;
+
+ key = (u64)a->src.as_u32 << 32 | (u64)a->dst.as_u32;
+ p = hash_get (gm->tunnel_by_key, key);
+
+ if (a->is_add) {
+ /* check if same src/dst pair exists */
+ if (p)
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ p = hash_get (im->fib_index_by_table_id, a->outer_table_id);
+ if (! p)
+ return VNET_API_ERROR_NO_SUCH_FIB;
+
+ outer_fib_index = p[0];
+
+ pool_get_aligned (gm->tunnels, t, CLIB_CACHE_LINE_BYTES);
+ memset (t, 0, sizeof (*t));
+
+ if (vec_len (gm->free_vxlan_tunnel_hw_if_indices) > 0) {
+ vnet_interface_main_t * im = &vnm->interface_main;
+
+ hw_if_index = gm->free_vxlan_tunnel_hw_if_indices
+ [vec_len (gm->free_vxlan_tunnel_hw_if_indices)-1];
+ _vec_len (gm->free_vxlan_tunnel_hw_if_indices) -= 1;
+
+ hi = vnet_get_hw_interface (vnm, hw_if_index);
+ hi->dev_instance = t - gm->tunnels;
+ hi->hw_instance = hi->dev_instance;
+
+ /* clear old stats of freed tunnel before reuse */
+ sw_if_index = hi->sw_if_index;
+ vnet_interface_counter_lock(im);
+ vlib_zero_combined_counter
+ (&im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_TX], sw_if_index);
+ vlib_zero_combined_counter
+ (&im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_RX], sw_if_index);
+ vlib_zero_simple_counter
+ (&im->sw_if_counters[VNET_INTERFACE_COUNTER_DROP], sw_if_index);
+ vnet_interface_counter_unlock(im);
+ } else {
+ hw_if_index = vnet_register_interface
+ (vnm, gre_device_class.index, t - gm->tunnels,
+ gre_hw_interface_class.index,
+ t - gm->tunnels);
+ hi = vnet_get_hw_interface (vnm, hw_if_index);
+ sw_if_index = hi->sw_if_index;
+ }
- u64 key = (u64)tunnel_src->as_u32 << 32 | (u64)tunnel_dst->as_u32;
-
- /* check if same src/dst pair exists */
- if (hash_get (gm->tunnel_by_key, key))
- return VNET_API_ERROR_INVALID_VALUE;
-
- p = hash_get (im->fib_index_by_table_id, outer_fib_id);
- if (! p)
- return VNET_API_ERROR_NO_SUCH_FIB;
+ t->hw_if_index = hw_if_index;
+ t->outer_fib_index = outer_fib_index;
+ t->sw_if_index = sw_if_index;
- outer_fib_index = p[0];
+ vec_validate_init_empty (gm->tunnel_index_by_sw_if_index, sw_if_index, ~0);
+ gm->tunnel_index_by_sw_if_index[sw_if_index] = t - gm->tunnels;
- pool_get (gm->tunnels, t);
- memset (t, 0, sizeof (*t));
+ hi->min_packet_bytes = 64 + sizeof (gre_header_t) + sizeof (ip4_header_t);
+ hi->per_packet_overhead_bytes =
+ /* preamble */ 8 + /* inter frame gap */ 12;
- hw_if_index = vnet_register_interface
- (vnm, gre_device_class.index, t - gm->tunnels,
- gre_hw_interface_class.index,
- t - gm->tunnels);
+ /* Standard default gre MTU. */
+ hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 9000;
- *gi_index_return = t - gm->tunnels;
+ clib_memcpy (&t->tunnel_src, &a->src, sizeof (t->tunnel_src));
+ clib_memcpy (&t->tunnel_dst, &a->dst, sizeof (t->tunnel_dst));
- t->hw_if_index = hw_if_index;
- t->outer_fib_index = outer_fib_index;
+ hash_set (gm->tunnel_by_key, key, t - gm->tunnels);
- hi = vnet_get_hw_interface (vnm, hw_if_index);
+ slot = vlib_node_add_named_next_with_slot
+ (vnm->vlib_main, hi->tx_node_index, "ip4-lookup", GRE_OUTPUT_NEXT_LOOKUP);
- hi->min_packet_bytes = 64 + sizeof (gre_header_t) + sizeof (ip4_header_t);
- hi->per_packet_overhead_bytes =
- /* preamble */ 8 + /* inter frame gap */ 12;
+ ASSERT (slot == GRE_OUTPUT_NEXT_LOOKUP);
- /* Standard default gre MTU. */
- hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 9000;
+ } else { /* !is_add => delete */
+ /* tunnel needs to exist */
+ if (! p)
+ return VNET_API_ERROR_NO_SUCH_ENTRY;
- clib_memcpy (&t->tunnel_src, tunnel_src, sizeof (t->tunnel_src));
- clib_memcpy (&t->tunnel_dst, tunnel_dst, sizeof (t->tunnel_dst));
+ t = pool_elt_at_index (gm->tunnels, p[0]);
- hash_set (gm->tunnel_by_key, key, t - gm->tunnels);
+ sw_if_index = t->sw_if_index;
+ vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */);
+ /* make sure tunnel is removed from l2 bd or xconnect */
+ set_int_l2_mode(gm->vlib_main, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0);
+ vec_add1 (gm->free_vxlan_tunnel_hw_if_indices, t->hw_if_index);
+ gm->tunnel_index_by_sw_if_index[sw_if_index] = ~0;
- slot = vlib_node_add_named_next_with_slot
- (vnm->vlib_main, hi->tx_node_index, "ip4-lookup", GRE_OUTPUT_NEXT_LOOKUP);
+ hash_unset (gm->tunnel_by_key, key);
+ pool_put (gm->tunnels, t);
+ }
- ASSERT (slot == GRE_OUTPUT_NEXT_LOOKUP);
+ if (sw_if_indexp)
+ *sw_if_indexp = sw_if_index;
return 0;
}
@@ -90,19 +150,21 @@ create_gre_tunnel_command_fn (vlib_main_t * vm,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, * line_input = &_line_input;
- vnet_main_t * vnm = vnet_get_main();
+ vnet_gre_add_del_tunnel_args_t _a, * a = &_a;
ip4_address_t src, dst;
u32 outer_fib_id = 0;
int rv;
- u32 gi_index;
u32 num_m_args = 0;
+ u8 is_add = 1;
/* Get a line of input. */
if (! unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
- if (unformat (line_input, "src %U", unformat_ip4_address, &src))
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "src %U", unformat_ip4_address, &src))
num_m_args++;
else if (unformat (line_input, "dst %U", unformat_ip4_address, &dst))
num_m_args++;
@@ -117,10 +179,18 @@ create_gre_tunnel_command_fn (vlib_main_t * vm,
if (num_m_args < 2)
return clib_error_return (0, "mandatory argument(s) missing");
- rv = gre_register_interface (vnm, gre_hw_interface_class.index,
- &src, &dst, outer_fib_id, &gi_index);
+ if (memcmp (&src, &dst, sizeof(src)) == 0)
+ return clib_error_return (0, "src and dst are identical");
- switch(rv)
+ memset (a, 0, sizeof (*a));
+ a->is_add = is_add;
+ a->outer_table_id = outer_fib_id;
+ clib_memcpy(&a->src, &src, sizeof(src));
+ clib_memcpy(&a->dst, &dst, sizeof(dst));
+
+ rv = vnet_gre_add_del_tunnel (a, 0);
+
+ switch(rv)
{
case 0:
break;
@@ -130,7 +200,7 @@ create_gre_tunnel_command_fn (vlib_main_t * vm,
return clib_error_return (0, "outer fib ID %d doesn't exist\n",
outer_fib_id);
default:
- return clib_error_return (0, "gre_register_interface returned %d", rv);
+ return clib_error_return (0, "vnet_gre_add_del_tunnel returned %d", rv);
}
return 0;
@@ -138,10 +208,35 @@ create_gre_tunnel_command_fn (vlib_main_t * vm,
VLIB_CLI_COMMAND (create_gre_tunnel_command, static) = {
.path = "create gre tunnel",
- .short_help = "create gre tunnel src <addr> dst <addr> [outer-fib-id <fib>]",
+ .short_help = "create gre tunnel src <addr> dst <addr> "
+ "[outer-fib-id <fib>] [del]",
.function = create_gre_tunnel_command_fn,
};
+static clib_error_t *
+show_gre_tunnel_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ gre_main_t * gm = &gre_main;
+ gre_tunnel_t * t;
+
+ if (pool_elts (gm->tunnels) == 0)
+ vlib_cli_output (vm, "No GRE tunnels configured...");
+
+ pool_foreach (t, gm->tunnels,
+ ({
+ vlib_cli_output (vm, "%U", format_gre_tunnel, t);
+ }));
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (show_gre_tunnel_command, static) = {
+ .path = "show gre tunnel",
+ .function = show_gre_tunnel_command_fn,
+};
+
/* force inclusion from application's main.c */
clib_error_t *gre_interface_init (vlib_main_t *vm)
{
diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index 72eb3392d97..bbb3e252c38 100644
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -26,6 +26,7 @@
#include <vnet/l2/l2_input.h>
#include <vnet/l2tp/l2tp.h>
#include <vnet/vxlan/vxlan.h>
+#include <vnet/gre/gre.h>
#include <vnet/nsh-gre/nsh_gre.h>
#include <vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.h>
#include <vnet/lisp-gpe/lisp_gpe.h>
@@ -1354,6 +1355,36 @@ static void vl_api_vxlan_add_del_tunnel_reply_t_handler_json
vam->result_ready = 1;
}
+static void vl_api_gre_add_del_tunnel_reply_t_handler
+(vl_api_gre_add_del_tunnel_reply_t * mp)
+{
+ vat_main_t * vam = &vat_main;
+ i32 retval = ntohl(mp->retval);
+ if (vam->async_mode) {
+ vam->async_errors += (retval < 0);
+ } else {
+ vam->retval = retval;
+ vam->result_ready = 1;
+ }
+}
+
+static void vl_api_gre_add_del_tunnel_reply_t_handler_json
+(vl_api_gre_add_del_tunnel_reply_t * mp)
+{
+ vat_main_t * vam = &vat_main;
+ vat_json_node_t node;
+
+ vat_json_init_object(&node);
+ vat_json_object_add_int(&node, "retval", ntohl(mp->retval));
+ vat_json_object_add_uint(&node, "sw_if_index", ntohl(mp->sw_if_index));
+
+ vat_json_print(vam->ofp, &node);
+ vat_json_free(&node);
+
+ vam->retval = ntohl(mp->retval);
+ vam->result_ready = 1;
+}
+
static void vl_api_create_vhost_user_if_reply_t_handler
(vl_api_create_vhost_user_if_reply_t * mp)
{
@@ -2283,6 +2314,8 @@ _(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) \
+_(GRE_ADD_DEL_TUNNEL_REPLY, gre_add_del_tunnel_reply) \
+_(GRE_TUNNEL_DETAILS, gre_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) \
@@ -7255,6 +7288,132 @@ static int api_vxlan_tunnel_dump (vat_main_t * vam)
W;
}
+static int api_gre_add_del_tunnel (vat_main_t * vam)
+{
+ unformat_input_t * line_input = vam->input;
+ vl_api_gre_add_del_tunnel_t *mp;
+ f64 timeout;
+ ip4_address_t src4, dst4;
+ u8 is_add = 1;
+ u8 src_set = 0;
+ u8 dst_set = 0;
+ u32 outer_fib_id = 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "src %U",
+ unformat_ip4_address, &src4))
+ src_set = 1;
+ else if (unformat (line_input, "dst %U",
+ unformat_ip4_address, &dst4))
+ dst_set = 1;
+ else if (unformat (line_input, "outer-fib-id %d", &outer_fib_id))
+ ;
+ else {
+ errmsg ("parse error '%U'\n", format_unformat_error, line_input);
+ return -99;
+ }
+ }
+
+ if (src_set == 0) {
+ errmsg ("tunnel src address not specified\n");
+ return -99;
+ }
+ if (dst_set == 0) {
+ errmsg ("tunnel dst address not specified\n");
+ return -99;
+ }
+
+
+ M (GRE_ADD_DEL_TUNNEL, gre_add_del_tunnel);
+
+ clib_memcpy(&mp->src_address, &src4, sizeof(src4));
+ clib_memcpy(&mp->dst_address, &dst4, sizeof(dst4));
+ mp->outer_table_id = ntohl(outer_fib_id);
+ mp->is_add = is_add;
+
+ S; W;
+ /* NOTREACHED */
+ return 0;
+}
+
+static void vl_api_gre_tunnel_details_t_handler
+(vl_api_gre_tunnel_details_t * mp)
+{
+ vat_main_t * vam = &vat_main;
+
+ fformat(vam->ofp, "%11d%15U%15U%14d\n",
+ ntohl(mp->sw_if_index),
+ format_ip4_address, &mp->src_address,
+ format_ip4_address, &mp->dst_address,
+ ntohl(mp->outer_table_id));
+}
+
+static void vl_api_gre_tunnel_details_t_handler_json
+(vl_api_gre_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));
+ clib_memcpy(&ip4, &mp->src_address, sizeof(ip4));
+ vat_json_object_add_ip4(node, "src_address", ip4);
+ clib_memcpy(&ip4, &mp->dst_address, sizeof(ip4));
+ vat_json_object_add_ip4(node, "dst_address", ip4);
+ vat_json_object_add_uint(node, "outer_fib_id", ntohl(mp->outer_table_id));
+}
+
+static int api_gre_tunnel_dump (vat_main_t * vam)
+{
+ unformat_input_t * i = vam->input;
+ vl_api_gre_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%15s%15s%14s\n",
+ "sw_if_index", "src_address", "dst_address",
+ "outer_fib_id");
+ }
+
+ /* Get list of gre-tunnel interfaces */
+ M(GRE_TUNNEL_DUMP, gre_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;
@@ -10378,9 +10537,12 @@ _(l2tpv3_set_lookup_key, \
"lookup_v6_src | lookup_v6_dst | lookup_session_id") \
_(sw_if_l2tpv3_tunnel_dump, "") \
_(vxlan_add_del_tunnel, \
- "src <ip4-addr> dst <ip4-addr> vni [encap-vrf-id <nn>]\n" \
+ "src <ip4-addr> dst <ip4-addr> vni <vni> [encap-vrf-id <nn>]\n" \
" [decap-next l2|ip4|ip6] [del]") \
_(vxlan_tunnel_dump, "[<intfc> | sw_if_index <nn>]") \
+_(gre_add_del_tunnel, \
+ "src <ip4-addr> dst <ip4-addr> [outer-fib-id <nn>] [del]\n") \
+_(gre_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 9c988a18172..eaae51a5eac 100644
--- a/vpp/api/api.c
+++ b/vpp/api/api.c
@@ -64,6 +64,7 @@
#include <vnet/classify/input_acl.h>
#include <vnet/l2/l2_classify.h>
#include <vnet/vxlan/vxlan.h>
+#include <vnet/gre/gre.h>
#include <vnet/l2/l2_vtr.h>
#include <vnet/nsh-gre/nsh_gre.h>
#include <vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.h>
@@ -272,6 +273,8 @@ _(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) \
+_(GRE_ADD_DEL_TUNNEL, gre_add_del_tunnel) \
+_(GRE_TUNNEL_DUMP, gre_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) \
@@ -4286,6 +4289,95 @@ static void vl_api_vxlan_tunnel_dump_t_handler
}
}
+static void vl_api_gre_add_del_tunnel_t_handler
+(vl_api_gre_add_del_tunnel_t * mp)
+{
+ vl_api_gre_add_del_tunnel_reply_t * rmp;
+ int rv = 0;
+ vnet_gre_add_del_tunnel_args_t _a, *a = &_a;
+ u32 outer_table_id;
+ uword * p;
+ ip4_main_t * im = &ip4_main;
+ u32 sw_if_index = ~0;
+
+ p = hash_get (im->fib_index_by_table_id, ntohl(mp->outer_table_id));
+ if (! p) {
+ rv = VNET_API_ERROR_NO_SUCH_FIB;
+ goto out;
+ }
+ outer_table_id = p[0];
+
+ /* Check src & dst are different */
+ if (memcmp(&mp->src_address, &mp->dst_address, 4) == 0) {
+ rv = VNET_API_ERROR_SAME_SRC_DST;
+ goto out;
+ }
+
+ memset (a, 0, sizeof (*a));
+
+ a->is_add = mp->is_add;
+
+ /* ip addresses sent in network byte order */
+ a->src.as_u32 = mp->src_address;
+ a->dst.as_u32 = mp->dst_address;
+
+ a->outer_table_id = outer_table_id;
+ rv = vnet_gre_add_del_tunnel (a, &sw_if_index);
+
+out:
+ REPLY_MACRO2(VL_API_GRE_ADD_DEL_TUNNEL_REPLY,
+ ({
+ rmp->sw_if_index = ntohl (sw_if_index);
+ }));
+}
+
+static void send_gre_tunnel_details
+(gre_tunnel_t * t, unix_shared_memory_queue_t * q)
+{
+ vl_api_gre_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_GRE_TUNNEL_DETAILS);
+ rmp->src_address = t->tunnel_src.data_u32;
+ rmp->dst_address = t->tunnel_dst.data_u32;
+ rmp->outer_table_id = htonl(im->fibs[t->outer_fib_index].table_id);
+ rmp->sw_if_index = htonl(t->sw_if_index);
+
+ vl_msg_api_send_shmem (q, (u8 *)&rmp);
+}
+
+static void vl_api_gre_tunnel_dump_t_handler
+(vl_api_gre_tunnel_dump_t * mp)
+{
+ unix_shared_memory_queue_t * q;
+ gre_main_t * gm = &gre_main;
+ gre_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, gm->tunnels,
+ ({
+ send_gre_tunnel_details(t, q);
+ }));
+ } else {
+ if ((sw_if_index >= vec_len(gm->tunnel_index_by_sw_if_index)) ||
+ (~0 == gm->tunnel_index_by_sw_if_index[sw_if_index])) {
+ return;
+ }
+ t = &gm->tunnels[gm->tunnel_index_by_sw_if_index[sw_if_index]];
+ send_gre_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 f4e5e75a99e..cd17328edb4 100644
--- a/vpp/api/custom_dump.c
+++ b/vpp/api/custom_dump.c
@@ -1297,6 +1297,40 @@ static void * vl_api_vxlan_tunnel_dump_t_print
FINISH;
}
+static void * vl_api_gre_add_del_tunnel_t_print
+(vl_api_gre_add_del_tunnel_t * mp, void *handle)
+{
+ u8 * s;
+
+ s = format (0, "SCRIPT: gre_add_del_tunnel ");
+
+ s = format (s, "dst %U ", format_ip4_address,
+ (ip4_address_t *)&(mp->dst_address));
+
+ s = format (s, "src %U ", format_ip4_address,
+ (ip4_address_t *)&(mp->src_address));
+
+ if (mp->outer_table_id)
+ s = format (s, "outer-fib-id %d ", ntohl(mp->outer_table_id));
+
+ if (mp->is_add == 0)
+ s = format (s, "del ");
+
+ FINISH;
+}
+
+static void * vl_api_gre_tunnel_dump_t_print
+(vl_api_gre_tunnel_dump_t * mp, void *handle)
+{
+ u8 * s;
+
+ s = format (0, "SCRIPT: gre_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)
{
@@ -1795,6 +1829,8 @@ _(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) \
+_(GRE_ADD_DEL_TUNNEL, gre_add_del_tunnel) \
+_(GRE_TUNNEL_DUMP, gre_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 52893b58ef0..88b6070083d 100644
--- a/vpp/api/vpe.api
+++ b/vpp/api/vpe.api
@@ -1799,6 +1799,35 @@ manual_java define vxlan_tunnel_details {
u32 vni;
u8 is_ipv6;
};
+
+define gre_add_del_tunnel {
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u32 src_address;
+ u32 dst_address;
+ u32 outer_table_id;
+};
+
+define gre_add_del_tunnel_reply {
+ u32 context;
+ i32 retval;
+ u32 sw_if_index;
+};
+
+manual_java define gre_tunnel_dump {
+ u32 client_index;
+ u32 context;
+ u32 sw_if_index;
+};
+
+manual_java define gre_tunnel_details {
+ u32 context;
+ u32 sw_if_index;
+ u32 src_address;
+ u32 dst_address;
+ u32 outer_table_id;
+};
/** \brief L2 interface vlan tag rewrite configure request
@param client_index - opaque cookie to identify the sender