[v11,07/12] app/graph: support IPv6 lookup command line interfaces

Message ID 20231019173011.1186656-8-skori@marvell.com (mailing list archive)
State Accepted, archived
Delegated to: Thomas Monjalon
Headers
Series add CLI based graph application |

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Sunil Kumar Kori Oct. 19, 2023, 5:30 p.m. UTC
  From: Rakesh Kudurumalla <rkudurumalla@marvell.com>

Adds ipv6_lookup module to configure LPM6 table. This LPM6 table
will be used for IPv6 lookup and forwarding.

Following commands are exposed:
 - ipv6_lookup route add ipv6 <ip> netmask <mask> via <ip>
 - help ipv6_lookup

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
Signed-off-by: Rakesh Kudurumalla <rkudurumalla@marvell.com>
---
 app/graph/cli.c            |   2 +
 app/graph/ethdev.c         |   1 +
 app/graph/ip6_route.c      | 226 +++++++++++++++++++++++++++++++++++++
 app/graph/meson.build      |   1 +
 app/graph/route.h          |  14 +++
 doc/guides/tools/graph.rst |   9 ++
 6 files changed, 253 insertions(+)
 create mode 100644 app/graph/ip6_route.c
  

Comments

Nithin Dabilpuram Oct. 23, 2023, 7:04 a.m. UTC | #1
Acked-By: Nithin Dabilpuram <ndabilpuram@marvell.com>

On Fri, Oct 20, 2023 at 2:37 AM <skori@marvell.com> wrote:
>
> From: Rakesh Kudurumalla <rkudurumalla@marvell.com>
>
> Adds ipv6_lookup module to configure LPM6 table. This LPM6 table
> will be used for IPv6 lookup and forwarding.
>
> Following commands are exposed:
>  - ipv6_lookup route add ipv6 <ip> netmask <mask> via <ip>
>  - help ipv6_lookup
>
> Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
> Signed-off-by: Rakesh Kudurumalla <rkudurumalla@marvell.com>
> ---
>  app/graph/cli.c            |   2 +
>  app/graph/ethdev.c         |   1 +
>  app/graph/ip6_route.c      | 226 +++++++++++++++++++++++++++++++++++++
>  app/graph/meson.build      |   1 +
>  app/graph/route.h          |  14 +++
>  doc/guides/tools/graph.rst |   9 ++
>  6 files changed, 253 insertions(+)
>  create mode 100644 app/graph/ip6_route.c
>
> diff --git a/app/graph/cli.c b/app/graph/cli.c
> index 25785ea4dc..1280422388 100644
> --- a/app/graph/cli.c
> +++ b/app/graph/cli.c
> @@ -32,6 +32,8 @@ cmdline_parse_ctx_t modules_ctx[] = {
>         (cmdline_parse_inst_t *)&ethdev_help_cmd_ctx,
>         (cmdline_parse_inst_t *)&ipv4_lookup_cmd_ctx,
>         (cmdline_parse_inst_t *)&ipv4_lookup_help_cmd_ctx,
> +       (cmdline_parse_inst_t *)&ipv6_lookup_cmd_ctx,
> +       (cmdline_parse_inst_t *)&ipv6_lookup_help_cmd_ctx,
>         NULL,
>  };
>
> diff --git a/app/graph/ethdev.c b/app/graph/ethdev.c
> index 4e4d23b692..e3f9ee3e0c 100644
> --- a/app/graph/ethdev.c
> +++ b/app/graph/ethdev.c
> @@ -165,6 +165,7 @@ ethdev_stop(void)
>
>         ethdev_list_clean();
>         route_ip4_list_clean();
> +       route_ip6_list_clean();
>         printf("Bye...\n");
>  }
>
> diff --git a/app/graph/ip6_route.c b/app/graph/ip6_route.c
> new file mode 100644
> index 0000000000..e793cde830
> --- /dev/null
> +++ b/app/graph/ip6_route.c
> @@ -0,0 +1,226 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2023 Marvell.
> + */
> +
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <string.h>
> +#include <cmdline_parse.h>
> +#include <cmdline_parse_num.h>
> +#include <cmdline_parse_string.h>
> +#include <cmdline_socket.h>
> +
> +#include <rte_node_ip6_api.h>
> +
> +#include "module_api.h"
> +#include "route_priv.h"
> +
> +static const char
> +cmd_ipv6_lookup_help[] = "ipv6_lookup route add ipv6 <ip> netmask <mask> via <ip>";
> +
> +struct ip6_route route6 = TAILQ_HEAD_INITIALIZER(route6);
> +
> +void
> +route_ip6_list_clean(void)
> +{
> +       struct route_ipv6_config *route;
> +
> +       while (!TAILQ_EMPTY(&route6)) {
> +               route = TAILQ_FIRST(&route6);
> +               TAILQ_REMOVE(&route6, route, next);
> +       }
> +}
> +
> +static struct route_ipv6_config *
> +find_route6_entry(struct route_ipv6_config *route)
> +{
> +       struct route_ipv6_config *ipv6route;
> +
> +       TAILQ_FOREACH(ipv6route, &route6, next) {
> +               if (!memcmp(ipv6route, route, sizeof(*route)))
> +                       return ipv6route;
> +       }
> +       return NULL;
> +}
> +
> +static uint8_t
> +convert_ip6_netmask_to_depth(uint8_t *netmask)
> +{
> +       uint8_t setbits = 0;
> +       uint8_t mask;
> +       int i;
> +
> +       for (i = 0; i < ETHDEV_IPV6_ADDR_LEN; i++) {
> +               mask = netmask[i];
> +               while (mask & 0x80) {
> +                       mask = mask << 1;
> +                       setbits++;
> +               }
> +       }
> +
> +       return setbits;
> +}
> +
> +static int
> +route6_rewirte_table_update(struct route_ipv6_config *ipv6route)
> +{
> +       uint8_t depth;
> +       int portid;
> +
> +       portid = ethdev_portid_by_ip6(ipv6route->gateway, ipv6route->mask);
> +       if (portid < 0) {
> +               printf("Invalid portid found to install the route\n");
> +               return portid;
> +       }
> +       depth = convert_ip6_netmask_to_depth(ipv6route->mask);
> +
> +       return rte_node_ip6_route_add(ipv6route->ip, depth, portid,
> +                       RTE_NODE_IP6_LOOKUP_NEXT_REWRITE);
> +
> +}
> +
> +static int
> +route_ip6_add(struct route_ipv6_config *route)
> +{
> +       struct route_ipv6_config *ipv6route;
> +       int rc = -EINVAL;
> +       int j;
> +
> +       ipv6route = find_route6_entry(route);
> +       if (!ipv6route) {
> +               ipv6route = malloc(sizeof(struct route_ipv6_config));
> +               if (!ipv6route)
> +                       return -ENOMEM;
> +       } else {
> +               return 0;
> +       }
> +
> +       for (j = 0; j < ETHDEV_IPV6_ADDR_LEN; j++) {
> +               ipv6route->ip[j] = route->ip[j];
> +               ipv6route->mask[j] = route->mask[j];
> +               ipv6route->gateway[j] = route->gateway[j];
> +       }
> +       ipv6route->is_used = true;
> +
> +       /* FIXME: Get graph status here and then update table */
> +       rc = route6_rewirte_table_update(ipv6route);
> +       if (rc)
> +               goto free;
> +
> +       TAILQ_INSERT_TAIL(&route6, ipv6route, next);
> +       return 0;
> +free:
> +       free(ipv6route);
> +       return rc;
> +}
> +
> +int
> +route_ip6_add_to_lookup(void)
> +{
> +       struct route_ipv6_config *route = NULL;
> +       int rc = -EINVAL;
> +
> +       TAILQ_FOREACH(route, &route6, next) {
> +               rc = route6_rewirte_table_update(route);
> +               if (rc < 0)
> +                       return rc;
> +       }
> +
> +       return 0;
> +}
> +
> +static void
> +cli_ipv6_lookup_help(__rte_unused void *parsed_result, __rte_unused struct cmdline *cl,
> +                    __rte_unused void *data)
> +{
> +       size_t len;
> +
> +       len = strlen(conn->msg_out);
> +       conn->msg_out += len;
> +       snprintf(conn->msg_out, conn->msg_out_len_max, "\n%s\n%s\n",
> +                "--------------------------- ipv6_lookup command help ---------------------------",
> +                cmd_ipv6_lookup_help);
> +
> +       len = strlen(conn->msg_out);
> +       conn->msg_out_len_max -= len;
> +}
> +
> +static void
> +cli_ipv6_lookup(void *parsed_result, __rte_unused struct cmdline *cl, void *data __rte_unused)
> +{
> +       struct ip6_lookup_cmd_tokens *res = parsed_result;
> +       struct route_ipv6_config config;
> +       int rc = -EINVAL;
> +
> +       if (parser_ip6_read(config.ip, res->ip)) {
> +               printf(MSG_ARG_INVALID, "ipv6");
> +               return;
> +       }
> +
> +       if (parser_ip6_read(config.mask, res->mask)) {
> +               printf(MSG_ARG_INVALID, "netmask");
> +               return;
> +       }
> +
> +       if (parser_ip6_read(config.gateway, res->via_ip)) {
> +               printf(MSG_ARG_INVALID, "gateway ip");
> +               return;
> +       }
> +
> +       rc = route_ip6_add(&config);
> +       if (rc)
> +               printf(MSG_CMD_FAIL, res->cmd);
> +}
> +
> +cmdline_parse_token_string_t ip6_lookup_cmd =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, cmd, "ipv6_lookup");
> +cmdline_parse_token_string_t ip6_lookup_route =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, route, "route");
> +cmdline_parse_token_string_t ip6_lookup_add =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, add, "add");
> +cmdline_parse_token_string_t ip6_lookup_ip6 =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, ip6, "ipv6");
> +cmdline_parse_token_string_t ip6_lookup_ip =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, ip, NULL);
> +cmdline_parse_token_string_t ip6_lookup_netmask =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, netmask, "netmask");
> +cmdline_parse_token_string_t ip6_lookup_mask =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, mask, NULL);
> +cmdline_parse_token_string_t ip6_lookup_via =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, via, "via");
> +cmdline_parse_token_string_t ip6_lookup_via_ip =
> +       TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, via_ip, NULL);
> +
> +cmdline_parse_inst_t ipv6_lookup_cmd_ctx = {
> +       .f = cli_ipv6_lookup,
> +       .data = NULL,
> +       .help_str = cmd_ipv6_lookup_help,
> +       .tokens = {
> +               (void *)&ip6_lookup_cmd,
> +               (void *)&ip6_lookup_route,
> +               (void *)&ip6_lookup_add,
> +               (void *)&ip6_lookup_ip6,
> +               (void *)&ip6_lookup_ip,
> +               (void *)&ip6_lookup_netmask,
> +               (void *)&ip6_lookup_mask,
> +               (void *)&ip6_lookup_via,
> +               (void *)&ip6_lookup_via_ip,
> +               NULL,
> +       },
> +};
> +
> +cmdline_parse_token_string_t ipv6_lookup_help_cmd =
> +       TOKEN_STRING_INITIALIZER(struct ipv6_lookup_help_cmd_tokens, cmd, "help");
> +cmdline_parse_token_string_t ipv6_lookup_help_module =
> +       TOKEN_STRING_INITIALIZER(struct ipv6_lookup_help_cmd_tokens, module, "ipv6_lookup");
> +
> +cmdline_parse_inst_t ipv6_lookup_help_cmd_ctx = {
> +       .f = cli_ipv6_lookup_help,
> +       .data = NULL,
> +       .help_str = "",
> +       .tokens = {
> +               (void *)&ipv6_lookup_help_cmd,
> +               (void *)&ipv6_lookup_help_module,
> +               NULL,
> +       },
> +};
> diff --git a/app/graph/meson.build b/app/graph/meson.build
> index 1f35f82583..413bbefc4e 100644
> --- a/app/graph/meson.build
> +++ b/app/graph/meson.build
> @@ -14,6 +14,7 @@ sources = files(
>          'conn.c',
>          'ethdev.c',
>          'ip4_route.c',
> +        'ip6_route.c',
>          'main.c',
>          'mempool.c',
>          'utils.c',
> diff --git a/app/graph/route.h b/app/graph/route.h
> index a44d401d55..0d271d1350 100644
> --- a/app/graph/route.h
> +++ b/app/graph/route.h
> @@ -8,7 +8,9 @@
>  #define MAX_ROUTE_ENTRIES 32
>
>  extern cmdline_parse_inst_t ipv4_lookup_cmd_ctx;
> +extern cmdline_parse_inst_t ipv6_lookup_cmd_ctx;
>  extern cmdline_parse_inst_t ipv4_lookup_help_cmd_ctx;
> +extern cmdline_parse_inst_t ipv6_lookup_help_cmd_ctx;
>
>  struct route_ipv4_config {
>         TAILQ_ENTRY(route_ipv4_config) next;
> @@ -20,7 +22,19 @@ struct route_ipv4_config {
>
>  TAILQ_HEAD(ip4_route, route_ipv4_config);
>
> +struct route_ipv6_config {
> +       TAILQ_ENTRY(route_ipv6_config) next;
> +       uint8_t ip[16];
> +       uint8_t mask[16];
> +       uint8_t gateway[16];
> +       bool is_used;
> +};
> +
> +TAILQ_HEAD(ip6_route, route_ipv6_config);
> +
>  int route_ip4_add_to_lookup(void);
> +int route_ip6_add_to_lookup(void);
>  void route_ip4_list_clean(void);
> +void route_ip6_list_clean(void);
>
>  #endif
> diff --git a/doc/guides/tools/graph.rst b/doc/guides/tools/graph.rst
> index 7530ef6f65..56c2eaad26 100644
> --- a/doc/guides/tools/graph.rst
> +++ b/doc/guides/tools/graph.rst
> @@ -121,6 +121,15 @@ file to express the requested use case configuration.
>     | help ipv4_lookup                     | | Command to dump ``ipv4_lookup`` |   Yes   |    Yes   |
>     |                                      | | help message.                   |         |          |
>     +--------------------------------------+-----------------------------------+---------+----------+
> +   | | ipv6_lookup route add ipv6 <ip>    | | Command to add a route into     |   Yes   |    Yes   |
> +   | |  netmask <mask> via <ip>           | | ``ipv6_lookup`` LPM table. It is|         |          |
> +   |                                      | | needed if user wishes to route  |         |          |
> +   |                                      | | the packets based on LPM6 lookup|         |          |
> +   |                                      | | table.                          |         |          |
> +   +--------------------------------------+-----------------------------------+---------+----------+
> +   | help ipv6_lookup                     | | Command to dump ``ipv6_lookup`` |   Yes   |    Yes   |
> +   |                                      | | help message.                   |         |          |
> +   +--------------------------------------+-----------------------------------+---------+----------+
>
>  Runtime configuration
>  ---------------------
> --
> 2.25.1
>
  

Patch

diff --git a/app/graph/cli.c b/app/graph/cli.c
index 25785ea4dc..1280422388 100644
--- a/app/graph/cli.c
+++ b/app/graph/cli.c
@@ -32,6 +32,8 @@  cmdline_parse_ctx_t modules_ctx[] = {
 	(cmdline_parse_inst_t *)&ethdev_help_cmd_ctx,
 	(cmdline_parse_inst_t *)&ipv4_lookup_cmd_ctx,
 	(cmdline_parse_inst_t *)&ipv4_lookup_help_cmd_ctx,
+	(cmdline_parse_inst_t *)&ipv6_lookup_cmd_ctx,
+	(cmdline_parse_inst_t *)&ipv6_lookup_help_cmd_ctx,
 	NULL,
 };
 
diff --git a/app/graph/ethdev.c b/app/graph/ethdev.c
index 4e4d23b692..e3f9ee3e0c 100644
--- a/app/graph/ethdev.c
+++ b/app/graph/ethdev.c
@@ -165,6 +165,7 @@  ethdev_stop(void)
 
 	ethdev_list_clean();
 	route_ip4_list_clean();
+	route_ip6_list_clean();
 	printf("Bye...\n");
 }
 
diff --git a/app/graph/ip6_route.c b/app/graph/ip6_route.c
new file mode 100644
index 0000000000..e793cde830
--- /dev/null
+++ b/app/graph/ip6_route.c
@@ -0,0 +1,226 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Marvell.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <cmdline_parse.h>
+#include <cmdline_parse_num.h>
+#include <cmdline_parse_string.h>
+#include <cmdline_socket.h>
+
+#include <rte_node_ip6_api.h>
+
+#include "module_api.h"
+#include "route_priv.h"
+
+static const char
+cmd_ipv6_lookup_help[] = "ipv6_lookup route add ipv6 <ip> netmask <mask> via <ip>";
+
+struct ip6_route route6 = TAILQ_HEAD_INITIALIZER(route6);
+
+void
+route_ip6_list_clean(void)
+{
+	struct route_ipv6_config *route;
+
+	while (!TAILQ_EMPTY(&route6)) {
+		route = TAILQ_FIRST(&route6);
+		TAILQ_REMOVE(&route6, route, next);
+	}
+}
+
+static struct route_ipv6_config *
+find_route6_entry(struct route_ipv6_config *route)
+{
+	struct route_ipv6_config *ipv6route;
+
+	TAILQ_FOREACH(ipv6route, &route6, next) {
+		if (!memcmp(ipv6route, route, sizeof(*route)))
+			return ipv6route;
+	}
+	return NULL;
+}
+
+static uint8_t
+convert_ip6_netmask_to_depth(uint8_t *netmask)
+{
+	uint8_t setbits = 0;
+	uint8_t mask;
+	int i;
+
+	for (i = 0; i < ETHDEV_IPV6_ADDR_LEN; i++) {
+		mask = netmask[i];
+		while (mask & 0x80) {
+			mask = mask << 1;
+			setbits++;
+		}
+	}
+
+	return setbits;
+}
+
+static int
+route6_rewirte_table_update(struct route_ipv6_config *ipv6route)
+{
+	uint8_t depth;
+	int portid;
+
+	portid = ethdev_portid_by_ip6(ipv6route->gateway, ipv6route->mask);
+	if (portid < 0) {
+		printf("Invalid portid found to install the route\n");
+		return portid;
+	}
+	depth = convert_ip6_netmask_to_depth(ipv6route->mask);
+
+	return rte_node_ip6_route_add(ipv6route->ip, depth, portid,
+			RTE_NODE_IP6_LOOKUP_NEXT_REWRITE);
+
+}
+
+static int
+route_ip6_add(struct route_ipv6_config *route)
+{
+	struct route_ipv6_config *ipv6route;
+	int rc = -EINVAL;
+	int j;
+
+	ipv6route = find_route6_entry(route);
+	if (!ipv6route) {
+		ipv6route = malloc(sizeof(struct route_ipv6_config));
+		if (!ipv6route)
+			return -ENOMEM;
+	} else {
+		return 0;
+	}
+
+	for (j = 0; j < ETHDEV_IPV6_ADDR_LEN; j++) {
+		ipv6route->ip[j] = route->ip[j];
+		ipv6route->mask[j] = route->mask[j];
+		ipv6route->gateway[j] = route->gateway[j];
+	}
+	ipv6route->is_used = true;
+
+	/* FIXME: Get graph status here and then update table */
+	rc = route6_rewirte_table_update(ipv6route);
+	if (rc)
+		goto free;
+
+	TAILQ_INSERT_TAIL(&route6, ipv6route, next);
+	return 0;
+free:
+	free(ipv6route);
+	return rc;
+}
+
+int
+route_ip6_add_to_lookup(void)
+{
+	struct route_ipv6_config *route = NULL;
+	int rc = -EINVAL;
+
+	TAILQ_FOREACH(route, &route6, next) {
+		rc = route6_rewirte_table_update(route);
+		if (rc < 0)
+			return rc;
+	}
+
+	return 0;
+}
+
+static void
+cli_ipv6_lookup_help(__rte_unused void *parsed_result, __rte_unused struct cmdline *cl,
+		     __rte_unused void *data)
+{
+	size_t len;
+
+	len = strlen(conn->msg_out);
+	conn->msg_out += len;
+	snprintf(conn->msg_out, conn->msg_out_len_max, "\n%s\n%s\n",
+		 "--------------------------- ipv6_lookup command help ---------------------------",
+		 cmd_ipv6_lookup_help);
+
+	len = strlen(conn->msg_out);
+	conn->msg_out_len_max -= len;
+}
+
+static void
+cli_ipv6_lookup(void *parsed_result, __rte_unused struct cmdline *cl, void *data __rte_unused)
+{
+	struct ip6_lookup_cmd_tokens *res = parsed_result;
+	struct route_ipv6_config config;
+	int rc = -EINVAL;
+
+	if (parser_ip6_read(config.ip, res->ip)) {
+		printf(MSG_ARG_INVALID, "ipv6");
+		return;
+	}
+
+	if (parser_ip6_read(config.mask, res->mask)) {
+		printf(MSG_ARG_INVALID, "netmask");
+		return;
+	}
+
+	if (parser_ip6_read(config.gateway, res->via_ip)) {
+		printf(MSG_ARG_INVALID, "gateway ip");
+		return;
+	}
+
+	rc = route_ip6_add(&config);
+	if (rc)
+		printf(MSG_CMD_FAIL, res->cmd);
+}
+
+cmdline_parse_token_string_t ip6_lookup_cmd =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, cmd, "ipv6_lookup");
+cmdline_parse_token_string_t ip6_lookup_route =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, route, "route");
+cmdline_parse_token_string_t ip6_lookup_add =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, add, "add");
+cmdline_parse_token_string_t ip6_lookup_ip6 =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, ip6, "ipv6");
+cmdline_parse_token_string_t ip6_lookup_ip =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, ip, NULL);
+cmdline_parse_token_string_t ip6_lookup_netmask =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, netmask, "netmask");
+cmdline_parse_token_string_t ip6_lookup_mask =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, mask, NULL);
+cmdline_parse_token_string_t ip6_lookup_via =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, via, "via");
+cmdline_parse_token_string_t ip6_lookup_via_ip =
+	TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, via_ip, NULL);
+
+cmdline_parse_inst_t ipv6_lookup_cmd_ctx = {
+	.f = cli_ipv6_lookup,
+	.data = NULL,
+	.help_str = cmd_ipv6_lookup_help,
+	.tokens = {
+		(void *)&ip6_lookup_cmd,
+		(void *)&ip6_lookup_route,
+		(void *)&ip6_lookup_add,
+		(void *)&ip6_lookup_ip6,
+		(void *)&ip6_lookup_ip,
+		(void *)&ip6_lookup_netmask,
+		(void *)&ip6_lookup_mask,
+		(void *)&ip6_lookup_via,
+		(void *)&ip6_lookup_via_ip,
+		NULL,
+	},
+};
+
+cmdline_parse_token_string_t ipv6_lookup_help_cmd =
+	TOKEN_STRING_INITIALIZER(struct ipv6_lookup_help_cmd_tokens, cmd, "help");
+cmdline_parse_token_string_t ipv6_lookup_help_module =
+	TOKEN_STRING_INITIALIZER(struct ipv6_lookup_help_cmd_tokens, module, "ipv6_lookup");
+
+cmdline_parse_inst_t ipv6_lookup_help_cmd_ctx = {
+	.f = cli_ipv6_lookup_help,
+	.data = NULL,
+	.help_str = "",
+	.tokens = {
+		(void *)&ipv6_lookup_help_cmd,
+		(void *)&ipv6_lookup_help_module,
+		NULL,
+	},
+};
diff --git a/app/graph/meson.build b/app/graph/meson.build
index 1f35f82583..413bbefc4e 100644
--- a/app/graph/meson.build
+++ b/app/graph/meson.build
@@ -14,6 +14,7 @@  sources = files(
         'conn.c',
         'ethdev.c',
         'ip4_route.c',
+        'ip6_route.c',
         'main.c',
         'mempool.c',
         'utils.c',
diff --git a/app/graph/route.h b/app/graph/route.h
index a44d401d55..0d271d1350 100644
--- a/app/graph/route.h
+++ b/app/graph/route.h
@@ -8,7 +8,9 @@ 
 #define MAX_ROUTE_ENTRIES 32
 
 extern cmdline_parse_inst_t ipv4_lookup_cmd_ctx;
+extern cmdline_parse_inst_t ipv6_lookup_cmd_ctx;
 extern cmdline_parse_inst_t ipv4_lookup_help_cmd_ctx;
+extern cmdline_parse_inst_t ipv6_lookup_help_cmd_ctx;
 
 struct route_ipv4_config {
 	TAILQ_ENTRY(route_ipv4_config) next;
@@ -20,7 +22,19 @@  struct route_ipv4_config {
 
 TAILQ_HEAD(ip4_route, route_ipv4_config);
 
+struct route_ipv6_config {
+	TAILQ_ENTRY(route_ipv6_config) next;
+	uint8_t ip[16];
+	uint8_t mask[16];
+	uint8_t gateway[16];
+	bool is_used;
+};
+
+TAILQ_HEAD(ip6_route, route_ipv6_config);
+
 int route_ip4_add_to_lookup(void);
+int route_ip6_add_to_lookup(void);
 void route_ip4_list_clean(void);
+void route_ip6_list_clean(void);
 
 #endif
diff --git a/doc/guides/tools/graph.rst b/doc/guides/tools/graph.rst
index 7530ef6f65..56c2eaad26 100644
--- a/doc/guides/tools/graph.rst
+++ b/doc/guides/tools/graph.rst
@@ -121,6 +121,15 @@  file to express the requested use case configuration.
    | help ipv4_lookup                     | | Command to dump ``ipv4_lookup`` |   Yes   |    Yes   |
    |                                      | | help message.                   |         |          |
    +--------------------------------------+-----------------------------------+---------+----------+
+   | | ipv6_lookup route add ipv6 <ip>    | | Command to add a route into     |   Yes   |    Yes   |
+   | |  netmask <mask> via <ip>           | | ``ipv6_lookup`` LPM table. It is|         |          |
+   |                                      | | needed if user wishes to route  |         |          |
+   |                                      | | the packets based on LPM6 lookup|         |          |
+   |                                      | | table.                          |         |          |
+   +--------------------------------------+-----------------------------------+---------+----------+
+   | help ipv6_lookup                     | | Command to dump ``ipv6_lookup`` |   Yes   |    Yes   |
+   |                                      | | help message.                   |         |          |
+   +--------------------------------------+-----------------------------------+---------+----------+
 
 Runtime configuration
 ---------------------