--- /dev/null
+/*
+ * Copyright (c) 2018 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/vnet.h>
+#include <vnet/devices/devices.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/flow/flow.h>
+
+static format_function_t format_flow;
+
+uword
+unformat_ip_port_and_mask (unformat_input_t * input, va_list * args)
+{
+ ip_port_and_mask_t *pm = va_arg (*args, ip_port_and_mask_t *);
+ u32 port = 0, mask = 0;
+
+ if (unformat (input, "any"))
+ ;
+ else if (unformat (input, "%u/%u", &port, &mask))
+ ;
+ else if (unformat (input, "%u/0x%x", &port, &mask))
+ ;
+ else if (unformat (input, "%u", &port))
+ mask = 0xffff;
+ else
+ return 0;
+
+ if (port > 0xffff || mask > 0xffff)
+ return 0;
+
+ pm->port = port;
+ pm->mask = mask;
+ return 1;
+}
+
+u8 *
+format_ip_port_and_mask (u8 * s, va_list * args)
+{
+ ip_port_and_mask_t *pm = va_arg (*args, ip_port_and_mask_t *);
+
+ if (pm->port == 0 && pm->mask == 0)
+ return format (s, "any");
+
+ if (pm->mask == 0xffff)
+ return format (s, "%u", pm->port);
+
+ return format (s, "%u/0x%x", pm->port, pm->mask);
+}
+
+u8 *
+format_flow_error (u8 * s, va_list * args)
+{
+ int error = va_arg (*args, int);
+
+ if (error == 0)
+ return format (s, "no error");
+
+#define _(v,n,str) if (error == v) return format (s, #str);
+ foreach_flow_error;
+#undef _
+
+ return format (s, "unknown error (%d)", error);
+}
+
+u8 *
+format_flow_actions (u8 * s, va_list * args)
+{
+ u32 actions = va_arg (*args, u32);
+ u8 *t = 0;
+
+#define _(a, b, c) if (actions & (1 << a)) \
+ t = format (t, "%s%s", t ? " ":"", c);
+ foreach_flow_action
+#undef _
+ s = format (s, "%v", t);
+ vec_free (t);
+ return s;
+}
+
+static const char *flow_type_strings[] = { 0,
+#define _(a,b,c) c,
+ foreach_flow_type
+#undef _
+};
+
+static clib_error_t *
+show_flow_entry (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd_arg)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_flow_main_t *fm = &flow_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vnet_hw_interface_t *hi;
+ vnet_device_class_t *dev_class;
+ vnet_flow_t *f;
+ uword private_data;
+ u32 index = ~0, hw_if_index;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ goto no_args;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "index %u", &index))
+ ;
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ unformat_free (line_input);
+
+ if (index != ~0)
+ {
+ if ((f = vnet_get_flow (index)) == 0)
+ return clib_error_return (0, "no such flow");
+
+ vlib_cli_output (vm, "%-10s: %u", "index", f->index);
+ vlib_cli_output (vm, "%-10s: %s", "type", flow_type_strings[f->type]);
+ vlib_cli_output (vm, "%-10s: %U", "match", format_flow, f);
+ /* *INDENT-OFF* */
+ hash_foreach (hw_if_index, private_data, f->private_data,
+ ({
+ hi = vnet_get_hw_interface (vnm, hw_if_index);
+ dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
+ vlib_cli_output (vm, "interface %U\n",
+ format_vnet_hw_if_index_name, vnm, hw_if_index);
+ if (dev_class->format_flow)
+ vlib_cli_output (vm, " %U\n", dev_class->format_flow,
+ hi->dev_instance, f->index, private_data);
+ }));
+ /* *INDENT-ON* */
+ return 0;
+ }
+
+no_args:
+ /* *INDENT-OFF* */
+ pool_foreach (f, fm->global_flow_pool,
+ {
+ vlib_cli_output (vm, "%U\n", format_flow, f);
+ });
+ /* *INDENT-ON* */
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_flow_entry_command, static) = {
+ .path = "show flow entry",
+ .short_help = "show flow entry [index <index>]",
+ .function = show_flow_entry,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+show_flow_ranges (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd_arg)
+{
+ vnet_flow_main_t *fm = &flow_main;
+ vnet_flow_range_t *r = 0;
+
+ vlib_cli_output (vm, "%8s %8s %s", "Start", "Count", "Owner");
+
+ /* *INDENT-OFF* */
+ vec_foreach (r, fm->ranges)
+ {
+ vlib_cli_output (vm, "%8u %8u %s", r->start, r->count, r->owner);
+ };
+ /* *INDENT-ON* */
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_flow_ranges_command, static) = {
+ .path = "show flow ranges",
+ .short_help = "show flow ranges",
+ .function = show_flow_ranges,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+show_flow_interface (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd_arg)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hi;
+ vnet_device_class_t *dev_class;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 hw_if_index = ~0;
+
+ if (unformat_user (input, unformat_line_input, line_input))
+ {
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U",
+ unformat_vnet_hw_interface, vnm, &hw_if_index))
+ ;
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+ unformat_free (line_input);
+ }
+
+ if (hw_if_index == ~0)
+ return clib_error_return (0, "please specify interface");
+
+ hi = vnet_get_hw_interface (vnm, hw_if_index);
+ dev_class = vnet_get_device_class (vnm, hi->dev_class_index);
+ if (dev_class->format_flow == 0)
+ return clib_error_return (0, "not supported");
+
+ vlib_cli_output (vm, "%U", dev_class->format_flow, hi->dev_instance, ~0, 0);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_flow_interface_command, static) = {
+ .path = "show flow interface",
+ .short_help = "show flow interface <interface name>",
+ .function = show_flow_interface,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+test_flow (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd_arg)
+{
+ vnet_flow_t flow;
+ vnet_main_t *vnm = vnet_get_main ();
+ unformat_input_t _line_input, *line_input = &_line_input;
+ enum
+ {
+ FLOW_UNKNOWN_ACTION,
+ FLOW_ADD,
+ FLOW_DEL,
+ FLOW_ENABLE,
+ FLOW_DISABLE
+ } action = FLOW_UNKNOWN_ACTION;
+ u32 hw_if_index = ~0, tmp, flow_index = ~0;
+ int rv;
+ u8 prot;
+
+ memset (&flow, 0, sizeof (vnet_flow_t));
+ flow.index = ~0;
+ flow.actions = 0;
+ flow.ip4_n_tuple.protocol = ~0;
+ 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, "add"))
+ action = FLOW_ADD;
+ else if (unformat (line_input, "del"))
+ action = FLOW_DEL;
+ else if (unformat (line_input, "enable"))
+ action = FLOW_ENABLE;
+ else if (unformat (line_input, "disable"))
+ action = FLOW_DISABLE;
+ else if (unformat (line_input, "src-ip %U",
+ unformat_ip4_address_and_mask,
+ &flow.ip4_n_tuple.src_addr))
+ ;
+ else if (unformat (line_input, "dst-ip %U",
+ unformat_ip4_address_and_mask,
+ &flow.ip4_n_tuple.dst_addr))
+ ;
+ else if (unformat (line_input, "src-port %U", unformat_ip_port_and_mask,
+ &flow.ip4_n_tuple.src_port))
+ ;
+ else if (unformat (line_input, "dst-port %U", unformat_ip_port_and_mask,
+ &flow.ip4_n_tuple.dst_port))
+ ;
+ else if (unformat (line_input, "proto %U", unformat_ip_protocol, &prot))
+ flow.ip4_n_tuple.protocol = prot;
+ else if (unformat (line_input, "proto %u", &tmp))
+ flow.ip4_n_tuple.protocol = tmp;
+ else if (unformat (line_input, "index %u", &flow_index))
+ ;
+ else if (unformat (line_input, "next-node %U", unformat_vlib_node, vm,
+ &flow.redirect_node_index))
+ flow.actions |= VNET_FLOW_ACTION_REDIRECT_TO_NODE;
+ else if (unformat (line_input, "mark %d", &flow.mark_flow_id))
+ flow.actions |= VNET_FLOW_ACTION_MARK;
+ else if (unformat (line_input, "buffer-advance %d",
+ &flow.buffer_advance))
+ flow.actions |= VNET_FLOW_ACTION_BUFFER_ADVANCE;
+ else if (unformat (line_input, "%U", unformat_vnet_hw_interface, vnm,
+ &hw_if_index))
+ ;
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ unformat_free (line_input);
+
+ if (hw_if_index == ~0 && (action == FLOW_ENABLE || action == FLOW_DISABLE))
+ return clib_error_return (0, "Please specify interface name");
+
+ if (flow_index == ~0 && (action == FLOW_ENABLE || action == FLOW_DISABLE ||
+ action == FLOW_DEL))
+ return clib_error_return (0, "Please specify flow index");
+
+ switch (action)
+ {
+ case FLOW_ADD:
+ if (flow.ip4_n_tuple.protocol == (ip_protocol_t) ~ 0)
+ return clib_error_return (0, "Please specify ip protocol");
+
+ if (flow.actions == 0)
+ return clib_error_return (0, "Please specify at least one action");
+ flow.type = VNET_FLOW_TYPE_IP4_N_TUPLE;
+ rv = vnet_flow_add (vnm, &flow, &flow_index);
+ break;
+ case FLOW_DEL:
+ rv = vnet_flow_del (vnm, flow_index);
+ break;
+ case FLOW_ENABLE:
+ rv = vnet_flow_enable (vnm, flow_index, hw_if_index);
+ break;
+ case FLOW_DISABLE:
+ rv = vnet_flow_disable (vnm, flow_index, hw_if_index);
+ break;
+ default:
+ return clib_error_return (0, "please specify action (add, del, enable,"
+ " disable)");
+ }
+
+ if (rv < 0)
+ return clib_error_return (0, "flow error: %U", format_flow_error, rv);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (test_flow_command, static) = {
+ .path = "test flow",
+ .short_help = "test flow add [src-ip <ip-addr/mask>] [dst-ip "
+ "<ip-addr/mask>] [src-port <port/mask>] [dst-port <port/mask>] "
+ "[proto <ip-proto>",
+ .function = test_flow,
+};
+/* *INDENT-ON* */
+
+
+static u8 *
+format_flow_match_element (u8 * s, va_list * args)
+{
+ char *type = va_arg (*args, char *);
+ void *ptr = va_arg (*args, void *);
+
+ if (strncmp (type, "u8", 2) == 0)
+ return format (s, "%d", *(u8 *) ptr);
+
+ if (strncmp (type, "u16", 3) == 0)
+ return format (s, "%d", *(u16 *) ptr);
+
+ if (strncmp (type, "u32", 3) == 0)
+ return format (s, "%d", *(u32 *) ptr);
+
+ if (strncmp (type, "ip4_address_t", 13) == 0)
+ return format (s, "%U", format_ip4_address, ptr);
+
+ if (strncmp (type, "ip4_address_and_mask_t", 13) == 0)
+ return format (s, "%U", format_ip4_address_and_mask, ptr);
+
+ if (strncmp (type, "ip6_address_t", 13) == 0)
+ return format (s, "%U", format_ip6_address, ptr);
+
+ if (strncmp (type, "ip6_address_and_mask_t", 13) == 0)
+ return format (s, "%U", format_ip6_address_and_mask, ptr);
+
+ if (strncmp (type, "ip_protocol_t", 13) == 0)
+ return format (s, "%U", format_ip_protocol, *(ip_protocol_t *) ptr);
+
+ if (strncmp (type, "ip_port_and_mask_t", 18) == 0)
+ return format (s, "%U", format_ip_port_and_mask, ptr);
+
+ s = format (s, "unknown type '%s'", type);
+ return s;
+}
+
+#define _fe(a,b) s2 = format (s2, "%s%s %U", s2 ? ", ":"", #b, \
+ format_flow_match_element, #a, &f->b);
+#define _(a,b,c) \
+u8 * format_flow_match_##b (u8 * s, va_list * args) \
+{ \
+ vnet_flow_##b##_t *f = __builtin_va_arg (*args, vnet_flow_##b##_t *); \
+ u8 *s2 = 0; \
+foreach_flow_entry_##b \
+ s = format (s, "%v", s2);; \
+ vec_free (s2); \
+return s; \
+}
+foreach_flow_type
+#undef _
+#undef _fe
+static u8 *
+format_flow_match (u8 * s, va_list * args)
+{
+ vnet_flow_t *f = va_arg (*args, vnet_flow_t *);
+
+#define _(a,b,c) \
+ if (f->type == VNET_FLOW_TYPE_##a) \
+ return format (s, "%U", format_flow_match_##b, &f->b);
+ foreach_flow_type;
+#undef _
+
+ return s;
+}
+
+static u8 *
+format_flow (u8 * s, va_list * args)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_flow_t *f = va_arg (*args, vnet_flow_t *);
+ u32 indent = format_get_indent (s);
+ u8 *t = 0;
+
+ s = format (s, "flow-index %u type %s active %u",
+ f->index, flow_type_strings[f->type],
+ hash_elts (f->private_data)),
+ s = format (s, "\n%Umatch: %U", format_white_space, indent + 2,
+ format_flow_match, f);
+ s = format (s, "\n%Uaction: %U", format_white_space, indent + 2,
+ format_flow_actions, f->actions);
+
+ if (f->actions & VNET_FLOW_ACTION_MARK)
+ t = format (t, "%smark %u", t ? ", " : "", f->mark_flow_id);
+
+ if (f->actions & VNET_FLOW_ACTION_REDIRECT_TO_NODE)
+ t = format (t, "%snext-node %U", t ? ", " : "",
+ format_vlib_node_name, vm, f->redirect_node_index);
+
+ if (f->actions & VNET_FLOW_ACTION_BUFFER_ADVANCE)
+ t = format (t, "%sbuffer-advance %d", t ? ", " : "", f->buffer_advance);
+
+ if (t)
+ {
+ s = format (s, "\n%U%v", format_white_space, indent + 4, t);
+ vec_free (t);
+ }
+
+ return s;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff