--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * 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 <vnet/ip/ip.h>
+#include <vnet/ip/ip_punt_drop.h>
+#include <vnet/policer/policer.h>
+#include <vnet/policer/police_inlines.h>
+
+/* *INDENT-OFF* */
+VNET_FEATURE_ARC_INIT (ip6_punt) =
+{
+ .arc_name = "ip6-punt",
+ .start_nodes = VNET_FEATURES ("ip6-punt"),
+};
+
+VNET_FEATURE_ARC_INIT (ip6_drop) =
+{
+ .arc_name = "ip6-drop",
+ .start_nodes = VNET_FEATURES ("ip6-drop"),
+};
+/* *INDENT-ON* */
+
+ip_punt_policer_t ip6_punt_policer_cfg;
+
+static char *ip6_punt_policer_error_strings[] = {
+#define _(sym,string) string,
+ foreach_ip_punt_policer_error
+#undef _
+};
+
+static uword
+ip6_punt_policer (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return (ip_punt_policer (vm, node, frame,
+ vnet_feat_arc_ip6_punt.feature_arc_index,
+ ip6_punt_policer_cfg.policer_index));
+}
+
+
+/* *INDENT-OFF* */
+
+VLIB_REGISTER_NODE (ip6_punt_policer_node, static) = {
+ .function = ip6_punt_policer,
+ .name = "ip6-punt-policer",
+ .vector_size = sizeof (u32),
+ .n_next_nodes = IP_PUNT_POLICER_N_NEXT,
+ .format_trace = format_ip_punt_policer_trace,
+ .n_errors = ARRAY_LEN(ip6_punt_policer_error_strings),
+ .error_strings = ip6_punt_policer_error_strings,
+
+ /* edit / add dispositions here */
+ .next_nodes = {
+ [IP_PUNT_POLICER_NEXT_DROP] = "ip6-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_punt_policer_node,
+ ip6_punt_policer);
+
+VNET_FEATURE_INIT (ip6_punt_policer_node, static) = {
+ .arc_name = "ip6-punt",
+ .node_name = "ip6-punt-policer",
+ .runs_before = VNET_FEATURES("ip6-punt-redirect")
+};
+/* *INDENT-ON* */
+
+static uword
+ip6_drop (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ if (node->flags & VLIB_NODE_FLAG_TRACE)
+ ip6_forward_next_trace (vm, node, frame, VLIB_TX);
+
+ return ip_drop_or_punt (vm, node, frame,
+ vnet_feat_arc_ip6_drop.feature_arc_index);
+
+}
+
+static uword
+ip6_punt (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ if (node->flags & VLIB_NODE_FLAG_TRACE)
+ ip6_forward_next_trace (vm, node, frame, VLIB_TX);
+
+ return ip_drop_or_punt (vm, node, frame,
+ vnet_feat_arc_ip6_punt.feature_arc_index);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip6_drop_node, static) =
+{
+ .function = ip6_drop,
+ .name = "ip6-drop",
+ .vector_size = sizeof (u32),
+ .format_trace = format_ip6_forward_next_trace,
+ .n_next_nodes = 1,
+ .next_nodes = {
+ [0] = "error-drop",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_drop_node, ip6_drop);
+
+VLIB_REGISTER_NODE (ip6_punt_node, static) =
+{
+ .function = ip6_punt,
+ .name = "ip6-punt",
+ .vector_size = sizeof (u32),
+ .format_trace = format_ip6_forward_next_trace,
+ .n_next_nodes = 1,
+ .next_nodes = {
+ [0] = "error-punt",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_punt_node, ip6_punt);
+
+VNET_FEATURE_INIT (ip6_punt_end_of_arc, static) = {
+ .arc_name = "ip6-punt",
+ .node_name = "error-punt",
+ .runs_before = 0, /* not before any other features */
+};
+
+VNET_FEATURE_INIT (ip6_drop_end_of_arc, static) = {
+ .arc_name = "ip6-drop",
+ .node_name = "error-drop",
+ .runs_before = 0, /* not before any other features */
+};
+/* *INDENT-ON */
+
+void
+ip6_punt_policer_add_del (u8 is_add, u32 policer_index)
+{
+ ip6_punt_policer_cfg.policer_index = policer_index;
+
+ vnet_feature_enable_disable ("ip6-punt", "ip6-punt-policer",
+ 0, is_add, 0, 0);
+}
+
+static clib_error_t *
+ip6_punt_police_cmd (vlib_main_t * vm,
+ unformat_input_t * main_input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = 0;
+ u32 policer_index;
+ u8 is_add = 1;
+
+ policer_index = ~0;
+
+ if (!unformat_user (main_input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%d", &policer_index))
+ ;
+ else if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add"))
+ is_add = 1;
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (is_add && ~0 == policer_index)
+ {
+ error = clib_error_return (0, "expected policer index `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ if (!is_add)
+ policer_index = ~0;
+
+ ip6_punt_policer_add_del(is_add, policer_index);
+
+done:
+ unformat_free (line_input);
+ return (error);
+}
+
+/*?
+ *
+ * @cliexpar
+ * @cliexcmd{set ip punt policer <INDEX>}
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip6_punt_policer_command, static) =
+{
+ .path = "ip6 punt policer",
+ .function = ip6_punt_police_cmd,
+ .short_help = "ip6 punt policer [add|del] <index>",
+};
+/* *INDENT-ON* */
+
+ip_punt_redirect_t ip6_punt_redirect_cfg = {
+ .any_rx_sw_if_index = {
+ .tx_sw_if_index = ~0,
+ }
+ ,
+};
+
+#define foreach_ip6_punt_redirect_error \
+_(DROP, "ip6 punt redirect drop")
+
+typedef enum
+{
+#define _(sym,str) IP6_PUNT_REDIRECT_ERROR_##sym,
+ foreach_ip6_punt_redirect_error
+#undef _
+ IP6_PUNT_REDIRECT_N_ERROR,
+} ip6_punt_redirect_error_t;
+
+static char *ip6_punt_redirect_error_strings[] = {
+#define _(sym,string) string,
+ foreach_ip6_punt_redirect_error
+#undef _
+};
+
+static uword
+ip6_punt_redirect (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return (ip_punt_redirect (vm, node, frame,
+ vnet_feat_arc_ip6_punt.feature_arc_index,
+ &ip6_punt_redirect_cfg));
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip6_punt_redirect_node, static) = {
+ .function = ip6_punt_redirect,
+ .name = "ip6-punt-redirect",
+ .vector_size = sizeof (u32),
+ .n_next_nodes = IP_PUNT_REDIRECT_N_NEXT,
+ .format_trace = format_ip_punt_redirect_trace,
+ .n_errors = ARRAY_LEN(ip6_punt_redirect_error_strings),
+ .error_strings = ip6_punt_redirect_error_strings,
+
+ /* edit / add dispositions here */
+ .next_nodes = {
+ [IP_PUNT_REDIRECT_NEXT_DROP] = "ip6-drop",
+ [IP_PUNT_REDIRECT_NEXT_TX] = "ip6-rewrite",
+ [IP_PUNT_REDIRECT_NEXT_ARP] = "ip6-discover-neighbor",
+ },
+};
+
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_punt_redirect_node,
+ ip6_punt_redirect);
+
+VNET_FEATURE_INIT (ip6_punt_redirect_node, static) = {
+ .arc_name = "ip6-punt",
+ .node_name = "ip6-punt-redirect",
+ .runs_before = VNET_FEATURES("error-punt")
+};
+/* *INDENT-ON* */
+
+void
+ip6_punt_redirect_add (u32 rx_sw_if_index,
+ u32 tx_sw_if_index, ip46_address_t * nh)
+{
+ ip_punt_redirect_rx_t rx = {
+ .tx_sw_if_index = tx_sw_if_index,
+ .nh = *nh,
+ };
+
+ ip_punt_redirect_add (&ip6_punt_redirect_cfg,
+ rx_sw_if_index, &rx, FIB_PROTOCOL_IP6, VNET_LINK_IP6);
+
+ vnet_feature_enable_disable ("ip6-punt", "ip6-punt-redirect", 0, 1, 0, 0);
+}
+
+void
+ip6_punt_redirect_del (u32 rx_sw_if_index)
+{
+ vnet_feature_enable_disable ("ip6-punt", "ip6-punt-redirect", 0, 0, 0, 0);
+
+ ip_punt_redirect_del (&ip6_punt_redirect_cfg, rx_sw_if_index);
+}
+
+static clib_error_t *
+ip6_punt_redirect_cmd (vlib_main_t * vm,
+ unformat_input_t * main_input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = 0;
+ u32 rx_sw_if_index;
+ u32 tx_sw_if_index;
+ ip46_address_t nh;
+ vnet_main_t *vnm;
+ u8 is_add;
+
+ is_add = 1;
+ vnm = vnet_get_main ();
+
+ if (!unformat_user (main_input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "del"))
+ is_add = 0;
+ else if (unformat (line_input, "add"))
+ is_add = 1;
+ else if (unformat (line_input, "rx all"))
+ rx_sw_if_index = ~0;
+ else if (unformat (line_input, "rx %U",
+ unformat_vnet_sw_interface, vnm, &rx_sw_if_index))
+ ;
+ else if (unformat (line_input, "via %U %U",
+ unformat_ip6_address,
+ &nh.ip6,
+ unformat_vnet_sw_interface, vnm, &tx_sw_if_index))
+ ;
+ else if (unformat (line_input, "via %U",
+ unformat_vnet_sw_interface, vnm, &tx_sw_if_index))
+ memset (&nh, 0, sizeof (nh));
+ else
+ {
+ error = unformat_parse_error (line_input);
+ goto done;
+ }
+ }
+
+ if (is_add)
+ ip6_punt_redirect_add (rx_sw_if_index, tx_sw_if_index, &nh);
+ else
+ ip6_punt_redirect_del (rx_sw_if_index);
+
+done:
+ unformat_free (line_input);
+ return (error);
+}
+
+/*?
+ *
+ * @cliexpar
+ * @cliexcmd{set ip punt policer <INDEX>}
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip6_punt_redirect_command, static) =
+{
+ .path = "ip6 punt redirect",
+ .function = ip6_punt_redirect_cmd,
+ .short_help = "ip6 punt redirect [add|del] rx [<interface>|all] via [<nh>] <tx_interface>",
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+ip6_punt_redirect_show_cmd (vlib_main_t * vm,
+ unformat_input_t * main_input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_cli_output (vm, "%U", format_ip_punt_redirect, &ip6_punt_redirect_cfg);
+
+ return (NULL);
+}
+
+/*?
+ *
+ * @cliexpar
+ * @cliexcmd{set ip punt policer <INDEX>}
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_ip6_punt_redirect_command, static) =
+{
+ .path = "show ip6 punt redirect",
+ .function = ip6_punt_redirect_show_cmd,
+ .short_help = "show ip6 punt redirect [add|del] rx [<interface>|all] via [<nh>] <tx_interface>",
+ .is_mp_safe = 1,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
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