diff options
Diffstat (limited to 'src/vnet/flow')
| -rw-r--r-- | src/vnet/flow/flow.c | 158 | ||||
| -rw-r--r-- | src/vnet/flow/flow.h | 193 | ||||
| -rw-r--r-- | src/vnet/flow/flow_cli.c | 467 |
3 files changed, 818 insertions, 0 deletions
diff --git a/src/vnet/flow/flow.c b/src/vnet/flow/flow.c new file mode 100644 index 00000000000..91e51120a7e --- /dev/null +++ b/src/vnet/flow/flow.c @@ -0,0 +1,158 @@ +/* + * 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/ip/ip.h> +#include <vnet/ethernet/ethernet.h> +#include <vnet/flow/flow.h> + +vnet_flow_main_t flow_main; + +int +vnet_flow_get_range (vnet_main_t * vnm, char *owner, u32 count, u32 * start) +{ + vnet_flow_main_t *fm = &flow_main; + vnet_flow_range_t *r; + + /* skip 0 */ + if (fm->flows_used == 0) + fm->flows_used = 1; + + *start = fm->flows_used; + fm->flows_used += count; + vec_add2 (fm->ranges, r, 1); + r->start = *start; + r->count = count; + r->owner = format (0, "%s%c", owner, 0); + return 0; +} + +int +vnet_flow_add (vnet_main_t * vnm, vnet_flow_t * flow, u32 * flow_index) +{ + vnet_flow_main_t *fm = &flow_main; + vnet_flow_t *f; + + pool_get (fm->global_flow_pool, f); + *flow_index = f - fm->global_flow_pool; + clib_memcpy (f, flow, sizeof (vnet_flow_t)); + f->private_data = 0; + f->index = *flow_index; + return 0; +} + +vnet_flow_t * +vnet_get_flow (u32 flow_index) +{ + vnet_flow_main_t *fm = &flow_main; + if (pool_is_free_index (fm->global_flow_pool, flow_index)) + return 0; + + return pool_elt_at_index (fm->global_flow_pool, flow_index); +} + +int +vnet_flow_del (vnet_main_t * vnm, u32 flow_index) +{ + vnet_flow_main_t *fm = &flow_main; + vnet_flow_t *f = vnet_get_flow (flow_index); + uword hw_if_index; + uword private_data; + + if (f == 0) + return VNET_FLOW_ERROR_NO_SUCH_ENTRY; + + /* *INDENT-OFF* */ + hash_foreach (hw_if_index, private_data, f->private_data, + ({ + vnet_flow_disable (vnm, flow_index, hw_if_index); + })); + /* *INDENT-ON* */ + + hash_free (f->private_data); + memset (f, 0, sizeof (*f)); + pool_put (fm->global_flow_pool, f); + return 0; +} + +int +vnet_flow_enable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index) +{ + vnet_flow_t *f = vnet_get_flow (flow_index); + vnet_hw_interface_t *hi; + vnet_device_class_t *dev_class; + uword private_data; + int rv; + + if (!vnet_hw_interface_is_valid (vnm, hw_if_index)) + return VNET_FLOW_ERROR_NO_SUCH_INTERFACE; + + /* don't enable flow twice */ + if (hash_get (f->private_data, hw_if_index) != 0) + return VNET_FLOW_ERROR_ALREADY_DONE; + + hi = vnet_get_hw_interface (vnm, hw_if_index); + dev_class = vnet_get_device_class (vnm, hi->dev_class_index); + + if (dev_class->flow_ops_function == 0) + return VNET_FLOW_ERROR_NOT_SUPPORTED; + + rv = dev_class->flow_ops_function (vnm, VNET_FLOW_DEV_OP_ADD_FLOW, + hi->dev_instance, flow_index, + &private_data); + + if (rv) + return rv; + + hash_set (f->private_data, hw_if_index, private_data); + return 0; +} + +int +vnet_flow_disable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index) +{ + vnet_flow_t *f = vnet_get_flow (flow_index); + vnet_hw_interface_t *hi; + vnet_device_class_t *dev_class; + uword *p; + int rv; + + if (!vnet_hw_interface_is_valid (vnm, hw_if_index)) + return VNET_FLOW_ERROR_NO_SUCH_INTERFACE; + + /* don't disable if not enabled */ + if ((p = hash_get (f->private_data, hw_if_index)) == 0) + return VNET_FLOW_ERROR_ALREADY_DONE; + + hi = vnet_get_hw_interface (vnm, hw_if_index); + dev_class = vnet_get_device_class (vnm, hi->dev_class_index); + + rv = dev_class->flow_ops_function (vnm, VNET_FLOW_DEV_OP_DEL_FLOW, + hi->dev_instance, flow_index, p); + + if (rv) + return rv; + + hash_unset (f->private_data, hw_if_index); + return 0; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/flow/flow.h b/src/vnet/flow/flow.h new file mode 100644 index 00000000000..bc9b2f19cc3 --- /dev/null +++ b/src/vnet/flow/flow.h @@ -0,0 +1,193 @@ +/* + * Copyright (c) 2016 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. + */ + +#ifndef included_vnet_flow_flow_h +#define included_vnet_flow_flow_h + +#include <vppinfra/clib.h> +#include <vnet/unix/pcap.h> +#include <vnet/l3_types.h> +#include <vnet/ip/ip4_packet.h> +#include <vnet/ip/ip6_packet.h> + +#define foreach_flow_type \ + _(IP4_N_TUPLE, ip4_n_tuple, "ipv4-n-tuple") \ + _(IP6_N_TUPLE, ip6_n_tuple, "ipv4-n-tuple") \ + _(IP4_VXLAN, ip4_vxlan, "ipv4-vxlan") \ + _(IP6_VXLAN, ip6_vxlan, "ipv6-vxlan") + +#define foreach_flow_entry_ip4_n_tuple \ + _fe(ip4_address_and_mask_t, src_addr) \ + _fe(ip4_address_and_mask_t, dst_addr) \ + _fe(ip_port_and_mask_t, src_port) \ + _fe(ip_port_and_mask_t, dst_port) \ + _fe(ip_protocol_t, protocol) + +#define foreach_flow_entry_ip6_n_tuple \ + _fe(ip6_address_and_mask_t, src_addr) \ + _fe(ip6_address_and_mask_t, dst_addr) \ + _fe(ip_port_and_mask_t, src_port) \ + _fe(ip_port_and_mask_t, dst_port) \ + _fe(ip_protocol_t, protocol) + +#define foreach_flow_entry_ip4_vxlan \ + _fe(ip4_address_t, src_addr) \ + _fe(ip4_address_t, dst_addr) \ + _fe(u16, dst_port) \ + _fe(u16, vni) + +#define foreach_flow_entry_ip6_vxlan \ + _fe(ip6_address_t, src_addr) \ + _fe(ip6_address_t, dst_addr) \ + _fe(u16, dst_port) \ + _fe(u16, vni) + +#define foreach_flow_action \ + _(0, COUNT, "count") \ + _(1, MARK, "mark") \ + _(2, BUFFER_ADVANCE, "buffer-advance") \ + _(3, REDIRECT_TO_NODE, "redirect-to-node") \ + _(4, REDIRECT_TO_QUEUE, "redirect-to-queue") \ + _(5, DROP, "drop") + +typedef enum +{ +#define _(v,n,s) VNET_FLOW_ACTION_##n = (1 << v), + foreach_flow_action +#undef _ +} vnet_flow_action_t; + + +#define foreach_flow_error \ + _( -1, NOT_SUPPORTED, "not supported") \ + _( -2, ALREADY_DONE, "already done") \ + _( -3, ALREADY_EXISTS, "already exists") \ + _( -4, NO_SUCH_ENTRY, "no such entry") \ + _( -5, NO_SUCH_INTERFACE, "no such interface") \ + _( -6, INTERNAL, "internal error") + +typedef enum +{ + VNET_FLOW_NO_ERROR = 0, +#define _(v,n,s) VNET_FLOW_ERROR_##n = v, + foreach_flow_error +#undef _ +} vnet_flow_error_t; + +typedef struct +{ + u16 port, mask; +} ip_port_and_mask_t; + +typedef enum +{ + VNET_FLOW_TYPE_UNKNOWN, +#define _(a,b,c) VNET_FLOW_TYPE_##a, + foreach_flow_type +#undef _ + VNET_FLOW_N_TYPES, +} vnet_flow_type_t; + + +/* + * Create typedef struct vnet_flow_XXX_t + */ +#define _fe(a, b) a b; +#define _(a,b,c) \ +typedef struct { \ +int foo; \ +foreach_flow_entry_##b \ +} vnet_flow_##b##_t; +foreach_flow_type; +#undef _ +#undef _fe + +/* main flow struct */ +typedef struct +{ + /* flow type */ + vnet_flow_type_t type; + + /* flow index */ + u32 index; + + /* bitmap of flow actions (VNET_FLOW_ACTION_*) */ + u32 actions; + + /* flow id for VNET_FLOW_ACTION_MARK */ + u32 mark_flow_id; + + /* node index and next index for VNET_FLOW_ACTION_REDIRECT_TO_NODE */ + u32 redirect_node_index; + u32 redirect_device_input_next_index; + + /* queue for VNET_FLOW_ACTION_REDIRECT_TO_QUEUE */ + u32 redirect_queue; + + /* buffer offset for VNET_FLOW_ACTION_BUFFER_ADVANCE */ + i32 buffer_advance; + + union + { +#define _(a,b,c) vnet_flow_##b##_t b; + foreach_flow_type +#undef _ + }; + + /* per-interface private data */ + uword *private_data; +} vnet_flow_t; + +int vnet_flow_get_range (vnet_main_t * vnm, char *owner, u32 count, + u32 * start); +int vnet_flow_add (vnet_main_t * vnm, vnet_flow_t * flow, u32 * flow_index); +int vnet_flow_enable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index); +int vnet_flow_disable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index); +int vnet_flow_del (vnet_main_t * vnm, u32 flow_index); +vnet_flow_t *vnet_get_flow (u32 flow_index); + +typedef struct +{ + u32 start; + u32 count; + u8 *owner; +} vnet_flow_range_t; + +typedef struct +{ + /* pool of device flow entries */ + vnet_flow_t *global_flow_pool; + + /* flow ids allocated */ + u32 flows_used; + + /* vector of flow ranges */ + vnet_flow_range_t *ranges; + +} vnet_flow_main_t; + +extern vnet_flow_main_t flow_main; + +format_function_t format_flow_actions; + +#endif /* included_vnet_flow_flow_h */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/flow/flow_cli.c b/src/vnet/flow/flow_cli.c new file mode 100644 index 00000000000..11f3bcfad97 --- /dev/null +++ b/src/vnet/flow/flow_cli.c @@ -0,0 +1,467 @@ +/* + * 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: + */ |