diff options
Diffstat (limited to 'vnet/vnet/l2/l2_vtr.c')
-rw-r--r-- | vnet/vnet/l2/l2_vtr.c | 770 |
1 files changed, 0 insertions, 770 deletions
diff --git a/vnet/vnet/l2/l2_vtr.c b/vnet/vnet/l2/l2_vtr.c deleted file mode 100644 index 95a4f15700a..00000000000 --- a/vnet/vnet/l2/l2_vtr.c +++ /dev/null @@ -1,770 +0,0 @@ -/* - * l2_vtr.c : layer 2 vlan tag rewrite configuration - * - * Copyright (c) 2013 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 <vlib/vlib.h> -#include <vnet/vnet.h> -#include <vnet/ethernet/ethernet.h> -#include <vnet/ethernet/packet.h> -#include <vnet/l2/l2_input.h> -#include <vnet/l2/l2_output.h> -#include <vnet/l2/feat_bitmap.h> -#include <vnet/l2/l2_vtr.h> -#include <vnet/l2/l2_input_vtr.h> -#include <vnet/l2/l2_output.h> - -#include <vppinfra/error.h> -#include <vlib/cli.h> - -/** - * @file - * @brief Ethernet VLAN Tag Rewrite. - * - * VLAN tag rewrite provides the ability to change the VLAN tags on a packet. - * Existing tags can be popped, new tags can be pushed, and existing tags can - * be swapped with new tags. The rewrite feature is attached to a subinterface - * as input and output operations. The input operation is explicitly configured. - * The output operation is the symmetric opposite and is automatically derived - * from the input operation. - */ - -/** Just a placeholder; ensures file is not eliminated by linker. */ -clib_error_t * -l2_vtr_init (vlib_main_t * vm) -{ - return 0; -} - -VLIB_INIT_FUNCTION (l2_vtr_init); - -u32 -l2pbb_configure (vlib_main_t * vlib_main, - vnet_main_t * vnet_main, u32 sw_if_index, u32 vtr_op, - u8 * b_dmac, u8 * b_smac, - u16 b_vlanid, u32 i_sid, u16 vlan_outer_tag) -{ - u32 error = 0; - u32 enable = 0; - - l2_output_config_t *config = 0; - vnet_hw_interface_t *hi; - hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index); - - if (!hi) - { - error = VNET_API_ERROR_INVALID_INTERFACE; - goto done; - } - - // Config for this interface should be already initialized - ptr_config_t *in_config; - ptr_config_t *out_config; - config = vec_elt_at_index (l2output_main.configs, sw_if_index); - in_config = &(config->input_pbb_vtr); - out_config = &(config->output_pbb_vtr); - - in_config->pop_bytes = 0; - in_config->push_bytes = 0; - out_config->pop_bytes = 0; - out_config->push_bytes = 0; - enable = (vtr_op != L2_VTR_DISABLED); - - if (!enable) - goto done; - - if (vtr_op == L2_VTR_POP_2) - { - in_config->pop_bytes = sizeof (ethernet_pbb_header_packed_t); - } - else if (vtr_op == L2_VTR_PUSH_2) - { - clib_memcpy (in_config->macs_tags.b_dst_address, b_dmac, - sizeof (in_config->macs_tags.b_dst_address)); - clib_memcpy (in_config->macs_tags.b_src_address, b_smac, - sizeof (in_config->macs_tags.b_src_address)); - in_config->macs_tags.b_type = - clib_net_to_host_u16 (ETHERNET_TYPE_DOT1AD); - in_config->macs_tags.priority_dei_id = - clib_net_to_host_u16 (b_vlanid & 0xFFF); - in_config->macs_tags.i_type = - clib_net_to_host_u16 (ETHERNET_TYPE_DOT1AH); - in_config->macs_tags.priority_dei_uca_res_sid = - clib_net_to_host_u32 (i_sid & 0xFFFFF); - in_config->push_bytes = sizeof (ethernet_pbb_header_packed_t); - } - else if (vtr_op == L2_VTR_TRANSLATE_2_2) - { - /* TODO after PoC */ - } - - /* - * Construct the output tag-rewrite config - * - * The push/pop values are always reversed - */ - out_config->raw_data = in_config->raw_data; - out_config->pop_bytes = in_config->push_bytes; - out_config->push_bytes = in_config->pop_bytes; - -done: - l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VTR, enable); - if (config) - config->out_vtr_flag = (u8) enable; - - /* output vtr enable is checked explicitly in l2_output */ - return error; -} - -/** - * Configure vtag tag rewrite on the given interface. - * Return 1 if there is an error, 0 if ok - */ -u32 -l2vtr_configure (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 sw_if_index, u32 vtr_op, u32 push_dot1q, /* ethertype of first pushed tag is dot1q/dot1ad */ - u32 vtr_tag1, /* first pushed tag */ - u32 vtr_tag2) /* second pushed tag */ -{ - vnet_hw_interface_t *hi; - vnet_sw_interface_t *si; - u32 hw_no_tags; - u32 error = 0; - l2_output_config_t *config; - vtr_config_t *in_config; - vtr_config_t *out_config; - u32 enable; - u32 push_inner_et; - u32 push_outer_et; - u32 cfg_tags; - - hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index); - if (!hi || (hi->hw_class_index != ethernet_hw_interface_class.index)) - { - error = VNET_API_ERROR_INVALID_INTERFACE; /* non-ethernet interface */ - goto done; - } - - /* Init the config for this interface */ - vec_validate (l2output_main.configs, sw_if_index); - config = vec_elt_at_index (l2output_main.configs, sw_if_index); - in_config = &(config->input_vtr); - out_config = &(config->output_vtr); - in_config->raw_tags = 0; - out_config->raw_tags = 0; - - /* Get the configured tags for the interface */ - si = vnet_get_sw_interface (vnet_main, sw_if_index); - hw_no_tags = (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE); - - /* Construct the input tag-rewrite config */ - - push_outer_et = - clib_net_to_host_u16 (push_dot1q ? ETHERNET_TYPE_VLAN : - ETHERNET_TYPE_DOT1AD); - push_inner_et = clib_net_to_host_u16 (ETHERNET_TYPE_VLAN); - vtr_tag1 = clib_net_to_host_u16 (vtr_tag1); - vtr_tag2 = clib_net_to_host_u16 (vtr_tag2); - - /* Determine number of vlan tags with explictly configured values */ - cfg_tags = 0; - if (hw_no_tags || si->sub.eth.flags.no_tags) - { - cfg_tags = 0; - } - else if (si->sub.eth.flags.one_tag) - { - cfg_tags = 1; - if (si->sub.eth.flags.outer_vlan_id_any) - { - cfg_tags = 0; - } - } - else if (si->sub.eth.flags.two_tags) - { - cfg_tags = 2; - if (si->sub.eth.flags.inner_vlan_id_any) - { - cfg_tags = 1; - } - if (si->sub.eth.flags.outer_vlan_id_any) - { - cfg_tags = 0; - } - } - - switch (vtr_op) - { - case L2_VTR_DISABLED: - in_config->push_and_pop_bytes = 0; - break; - - case L2_VTR_POP_1: - if (cfg_tags < 1) - { - /* Need one or two tags */ - error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; - goto done; - } - in_config->pop_bytes = 4; - in_config->push_bytes = 0; - break; - - case L2_VTR_POP_2: - if (cfg_tags < 2) - { - error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need two tags */ - goto done; - } - in_config->pop_bytes = 8; - in_config->push_bytes = 0; - - out_config->push_bytes = in_config->pop_bytes; - out_config->pop_bytes = in_config->push_bytes; - break; - - case L2_VTR_PUSH_1: - in_config->pop_bytes = 0; - in_config->push_bytes = 4; - in_config->tags[1].priority_cfi_and_id = vtr_tag1; - in_config->tags[1].type = push_outer_et; - break; - - case L2_VTR_PUSH_2: - in_config->pop_bytes = 0; - in_config->push_bytes = 8; - in_config->tags[0].priority_cfi_and_id = vtr_tag1; - in_config->tags[0].type = push_outer_et; - in_config->tags[1].priority_cfi_and_id = vtr_tag2; - in_config->tags[1].type = push_inner_et; - break; - - case L2_VTR_TRANSLATE_1_1: - if (cfg_tags < 1) - { - error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need one or two tags */ - goto done; - } - in_config->pop_bytes = 4; - in_config->push_bytes = 4; - in_config->tags[1].priority_cfi_and_id = vtr_tag1; - in_config->tags[1].type = push_outer_et; - break; - - case L2_VTR_TRANSLATE_1_2: - if (cfg_tags < 1) - { - error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need one or two tags */ - goto done; - } - in_config->pop_bytes = 4; - in_config->push_bytes = 8; - in_config->tags[0].priority_cfi_and_id = vtr_tag1; - in_config->tags[0].type = push_outer_et; - in_config->tags[1].priority_cfi_and_id = vtr_tag2; - in_config->tags[1].type = push_inner_et; - break; - - case L2_VTR_TRANSLATE_2_1: - if (cfg_tags < 2) - { - error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need two tags */ - goto done; - } - in_config->pop_bytes = 8; - in_config->push_bytes = 4; - in_config->tags[1].priority_cfi_and_id = vtr_tag1; - in_config->tags[1].type = push_outer_et; - break; - - case L2_VTR_TRANSLATE_2_2: - if (cfg_tags < 2) - { - error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need two tags */ - goto done; - } - in_config->pop_bytes = 8; - in_config->push_bytes = 8; - in_config->tags[0].priority_cfi_and_id = vtr_tag1; - in_config->tags[0].type = push_outer_et; - in_config->tags[1].priority_cfi_and_id = vtr_tag2; - in_config->tags[1].type = push_inner_et; - break; - } - - /* - * Construct the output tag-rewrite config - * - * The push/pop values are always reversed - */ - out_config->push_bytes = in_config->pop_bytes; - out_config->pop_bytes = in_config->push_bytes; - - /* Any pushed tags are derived from the subinterface config */ - push_outer_et = - clib_net_to_host_u16 (si->sub.eth.flags.dot1ad ? ETHERNET_TYPE_DOT1AD : - ETHERNET_TYPE_VLAN); - push_inner_et = clib_net_to_host_u16 (ETHERNET_TYPE_VLAN); - vtr_tag1 = clib_net_to_host_u16 (si->sub.eth.outer_vlan_id); - vtr_tag2 = clib_net_to_host_u16 (si->sub.eth.inner_vlan_id); - - if (out_config->push_bytes == 4) - { - out_config->tags[1].priority_cfi_and_id = vtr_tag1; - out_config->tags[1].type = push_outer_et; - } - else if (out_config->push_bytes == 8) - { - out_config->tags[0].priority_cfi_and_id = vtr_tag1; - out_config->tags[0].type = push_outer_et; - out_config->tags[1].priority_cfi_and_id = vtr_tag2; - out_config->tags[1].type = push_inner_et; - } - - /* set the interface enable flags */ - enable = (vtr_op != L2_VTR_DISABLED); - config->out_vtr_flag = (u8) enable; - l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VTR, enable); - /* output vtr enable is checked explicitly in l2_output */ - -done: - return error; -} - -/** - * Get vtag tag rewrite on the given interface. - * Return 1 if there is an error, 0 if ok - */ -u32 -l2vtr_get (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 sw_if_index, u32 * vtr_op, u32 * push_dot1q, /* ethertype of first pushed tag is dot1q/dot1ad */ - u32 * vtr_tag1, /* first pushed tag */ - u32 * vtr_tag2) /* second pushed tag */ -{ - vnet_hw_interface_t *hi; - u32 error = 0; - vtr_config_t *in_config; - - if (!vtr_op || !push_dot1q || !vtr_tag1 || !vtr_tag2) - { - clib_warning ("invalid arguments"); - error = VNET_API_ERROR_INVALID_ARGUMENT; - goto done; - } - - *vtr_op = L2_VTR_DISABLED; - *vtr_tag1 = 0; - *vtr_tag2 = 0; - *push_dot1q = 0; - - hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index); - if (!hi || (hi->hw_class_index != ethernet_hw_interface_class.index)) - { - /* non-ethernet interface */ - goto done; - } - - if (sw_if_index >= vec_len (l2output_main.configs)) - { - /* no specific config (return disabled) */ - goto done; - } - - /* Get the config for this interface */ - in_config = - &(vec_elt_at_index (l2output_main.configs, sw_if_index)->input_vtr); - - /* DISABLED */ - if (in_config->push_and_pop_bytes == 0) - { - goto done; - } - - /* find out vtr_op */ - switch (in_config->pop_bytes) - { - case 0: - switch (in_config->push_bytes) - { - case 0: - /* DISABLED */ - goto done; - case 4: - *vtr_op = L2_VTR_PUSH_1; - *vtr_tag1 = - clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id); - *push_dot1q = - (ETHERNET_TYPE_VLAN == - clib_host_to_net_u16 (in_config->tags[1].type)); - break; - case 8: - *vtr_op = L2_VTR_PUSH_2; - *vtr_tag1 = - clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id); - *vtr_tag2 = - clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id); - *push_dot1q = - (ETHERNET_TYPE_VLAN == - clib_host_to_net_u16 (in_config->tags[0].type)); - break; - default: - clib_warning ("invalid push_bytes count: %d", - in_config->push_bytes); - error = VNET_API_ERROR_UNEXPECTED_INTF_STATE; - goto done; - } - break; - - case 4: - switch (in_config->push_bytes) - { - case 0: - *vtr_op = L2_VTR_POP_1; - break; - case 4: - *vtr_op = L2_VTR_TRANSLATE_1_1; - *vtr_tag1 = - clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id); - *push_dot1q = - (ETHERNET_TYPE_VLAN == - clib_host_to_net_u16 (in_config->tags[1].type)); - break; - case 8: - *vtr_op = L2_VTR_TRANSLATE_1_2; - *vtr_tag1 = - clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id); - *vtr_tag2 = - clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id); - *push_dot1q = - (ETHERNET_TYPE_VLAN == - clib_host_to_net_u16 (in_config->tags[0].type)); - break; - default: - clib_warning ("invalid push_bytes count: %d", - in_config->push_bytes); - error = VNET_API_ERROR_UNEXPECTED_INTF_STATE; - goto done; - } - break; - - case 8: - switch (in_config->push_bytes) - { - case 0: - *vtr_op = L2_VTR_POP_2; - break; - case 4: - *vtr_op = L2_VTR_TRANSLATE_2_1; - *vtr_tag1 = - clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id); - *push_dot1q = - (ETHERNET_TYPE_VLAN == - clib_host_to_net_u16 (in_config->tags[1].type)); - break; - case 8: - *vtr_op = L2_VTR_TRANSLATE_2_2; - *vtr_tag1 = - clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id); - *vtr_tag2 = - clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id); - *push_dot1q = - (ETHERNET_TYPE_VLAN == - clib_host_to_net_u16 (in_config->tags[0].type)); - break; - default: - clib_warning ("invalid push_bytes count: %d", - in_config->push_bytes); - error = VNET_API_ERROR_UNEXPECTED_INTF_STATE; - goto done; - } - break; - - default: - clib_warning ("invalid pop_bytes count: %d", in_config->pop_bytes); - error = VNET_API_ERROR_UNEXPECTED_INTF_STATE; - goto done; - } - -done: - return error; -} - -/** - * Set subinterface vtr enable/disable. - * The CLI format is: - * set interface l2 tag-rewrite <interface> [disable | pop 1 | pop 2 | push {dot1q|dot1ad} <tag> [<tag>]] - * - * "push" can also be replaced by "translate-{1|2}-{1|2}" - */ -static clib_error_t * -int_l2_vtr (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - vnet_main_t *vnm = vnet_get_main (); - clib_error_t *error = 0; - u32 sw_if_index; - u32 vtr_op; - u32 push_dot1q = 0; - u32 tag1 = 0, tag2 = 0; - - if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index)) - { - error = clib_error_return (0, "unknown interface `%U'", - format_unformat_error, input); - goto done; - } - - vtr_op = L2_VTR_DISABLED; - - if (unformat (input, "disable")) - { - vtr_op = L2_VTR_DISABLED; - } - else if (unformat (input, "pop 1")) - { - vtr_op = L2_VTR_POP_1; - } - else if (unformat (input, "pop 2")) - { - vtr_op = L2_VTR_POP_2; - - } - else if (unformat (input, "push dot1q %d %d", &tag1, &tag2)) - { - vtr_op = L2_VTR_PUSH_2; - push_dot1q = 1; - } - else if (unformat (input, "push dot1ad %d %d", &tag1, &tag2)) - { - vtr_op = L2_VTR_PUSH_2; - - } - else if (unformat (input, "push dot1q %d", &tag1)) - { - vtr_op = L2_VTR_PUSH_1; - push_dot1q = 1; - } - else if (unformat (input, "push dot1ad %d", &tag1)) - { - vtr_op = L2_VTR_PUSH_1; - - } - else if (unformat (input, "translate 1-1 dot1q %d", &tag1)) - { - vtr_op = L2_VTR_TRANSLATE_1_1; - push_dot1q = 1; - } - else if (unformat (input, "translate 1-1 dot1ad %d", &tag1)) - { - vtr_op = L2_VTR_TRANSLATE_1_1; - - } - else if (unformat (input, "translate 2-1 dot1q %d", &tag1)) - { - vtr_op = L2_VTR_TRANSLATE_2_1; - push_dot1q = 1; - } - else if (unformat (input, "translate 2-1 dot1ad %d", &tag1)) - { - vtr_op = L2_VTR_TRANSLATE_2_1; - - } - else if (unformat (input, "translate 2-2 dot1q %d %d", &tag1, &tag2)) - { - vtr_op = L2_VTR_TRANSLATE_2_2; - push_dot1q = 1; - } - else if (unformat (input, "translate 2-2 dot1ad %d %d", &tag1, &tag2)) - { - vtr_op = L2_VTR_TRANSLATE_2_2; - - } - else if (unformat (input, "translate 1-2 dot1q %d %d", &tag1, &tag2)) - { - vtr_op = L2_VTR_TRANSLATE_1_2; - push_dot1q = 1; - } - else if (unformat (input, "translate 1-2 dot1ad %d %d", &tag1, &tag2)) - { - vtr_op = L2_VTR_TRANSLATE_1_2; - - } - else - { - error = - clib_error_return (0, - "expecting [disable | pop 1 | pop 2 | push {dot1q|dot1ah} <tag> [<tag>]\n" - " | translate {1|2}-{1|2} {dot1q|dot1ah} <tag> [<tag>]] but got `%U'", - format_unformat_error, input); - goto done; - } - - if (l2vtr_configure (vm, vnm, sw_if_index, vtr_op, push_dot1q, tag1, tag2)) - { - error = - clib_error_return (0, - "vlan tag rewrite is not compatible with interface"); - goto done; - } - -done: - return error; -} - -/*? - * VLAN tag rewrite provides the ability to change the VLAN tags on a packet. - * Existing tags can be popped, new tags can be pushed, and existing tags can - * be swapped with new tags. The rewrite feature is attached to a subinterface - * as input and output operations. The input operation is explicitly configured. - * The output operation is the symmetric opposite and is automatically derived - * from the input operation. - * - * <b>POP:</b> For pop operations, the subinterface encapsulation (the vlan - * tags specified when it was created) must have at least the number of popped - * tags. e.g. the \"pop 2\" operation would be rejected on a single-vlan interface. - * The output tag-rewrite operation for pops is to push the specified number of - * vlan tags onto the packet. The pushed tag values are the ones in the - * subinterface encapsulation. - * - * <b>PUSH:</b> For push operations, the ethertype is also specified. The - * output tag-rewrite operation for pushes is to pop the same number of tags - * off the packet. If the packet doesn't have enough tags it is dropped. - * - * - * @cliexpar - * @parblock - * By default a subinterface has no tag-rewrite. To return a subinterface to - * this state use: - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 disable} - * - * To pop vlan tags off packets received from a subinterface, use: - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 pop 1} - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 pop 2} - * - * To push one or two vlan tags onto packets received from an interface, use: - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 push dot1q 100} - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 push dot1ad 100 150} - * - * Tags can also be translated, which is basically a combination of a pop and push. - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 1-1 dot1ad 100} - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 2-2 dot1ad 100 150} - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 1-2 dot1q 100} - * @cliexcmd{set interface l2 tag-rewrite GigabitEthernet0/8/0.200 translate 2-1 dot1q 100 150} - * - * To display the VLAN Tag settings, show the associate bridge-domain: - * @cliexstart{show bridge-domain 200 detail} - * ID Index Learning U-Forwrd UU-Flood Flooding ARP-Term BVI-Intf - * 200 1 on on on on off N/A - * - * Interface Index SHG BVI VLAN-Tag-Rewrite - * GigabitEthernet0/8/0.200 5 0 - trans-1-1 dot1ad 100 - * GigabitEthernet0/9/0.200 4 0 - none - * GigabitEthernet0/a/0.200 6 0 - none - * @cliexend - * @endparblock -?*/ -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (int_l2_vtr_cli, static) = { - .path = "set interface l2 tag-rewrite", - .short_help = "set interface l2 tag-rewrite <interface> [disable | pop {1|2} | push {dot1q|dot1ad} <tag> <tag>]", - .function = int_l2_vtr, -}; -/* *INDENT-ON* */ - -/** - * Set subinterface pbb vtr enable/disable. - * The CLI format is: - * set interface l2 pbb-tag-rewrite <interface> [disable | pop | push | translate_pbb_stag <outer_tag> dmac <address> smac <address> s_id <nn> [b_vlanid <nn>]] - */ -static clib_error_t * -int_l2_pbb_vtr (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - vnet_main_t *vnm = vnet_get_main (); - clib_error_t *error = 0; - u32 sw_if_index, tmp; - u32 vtr_op = L2_VTR_DISABLED; - u32 outer_tag = 0; - u8 dmac[6]; - u8 smac[6]; - u8 dmac_set = 0, smac_set = 0; - u16 b_vlanid = 0; - u32 s_id = ~0; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat_user - (input, unformat_vnet_sw_interface, vnm, &sw_if_index)) - ; - else if (unformat (input, "disable")) - vtr_op = L2_VTR_DISABLED; - else if (vtr_op == L2_VTR_DISABLED && unformat (input, "pop")) - vtr_op = L2_VTR_POP_2; - else if (vtr_op == L2_VTR_DISABLED && unformat (input, "push")) - vtr_op = L2_VTR_PUSH_2; - else if (vtr_op == L2_VTR_DISABLED - && unformat (input, "translate_pbb_stag %d", &outer_tag)) - vtr_op = L2_VTR_TRANSLATE_2_1; - else if (unformat (input, "dmac %U", unformat_ethernet_address, dmac)) - dmac_set = 1; - else if (unformat (input, "smac %U", unformat_ethernet_address, smac)) - smac_set = 1; - else if (unformat (input, "b_vlanid %d", &tmp)) - b_vlanid = tmp; - else if (unformat (input, "s_id %d", &s_id)) - ; - else - { - error = clib_error_return (0, - "expecting [disable | pop | push | translate_pbb_stag <outer_tag>\n" - "dmac <address> smac <address> s_id <nn> [b_vlanid <nn>]]"); - goto done; - } - } - - if ((vtr_op == L2_VTR_PUSH_2 || vtr_op == L2_VTR_TRANSLATE_2_1) - && (!dmac_set || !smac_set || s_id == ~0)) - { - error = clib_error_return (0, - "expecting dmac <address> smac <address> s_id <nn> [b_vlanid <nn>]"); - goto done; - } - - if (l2pbb_configure - (vm, vnm, sw_if_index, vtr_op, dmac, smac, b_vlanid, s_id, outer_tag)) - { - error = - clib_error_return (0, - "pbb tag rewrite is not compatible with interface"); - goto done; - } - -done: - return error; -} - -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (int_l2_pbb_vtr_cli, static) = { - .path = "set interface l2 pbb-tag-rewrite", - .short_help = "set interface l2 pbb-tag-rewrite <interface> [disable | pop | push | translate_pbb_stag <outer_tag> dmac <address> smac <address> s_id <nn> [b_vlanid <nn>]]", - .function = int_l2_pbb_vtr, -}; -/* *INDENT-ON* */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |