diff options
Diffstat (limited to 'src/vnet/bonding/cli.c')
-rw-r--r-- | src/vnet/bonding/cli.c | 706 |
1 files changed, 706 insertions, 0 deletions
diff --git a/src/vnet/bonding/cli.c b/src/vnet/bonding/cli.c new file mode 100644 index 00000000000..b2d66f9f1c8 --- /dev/null +++ b/src/vnet/bonding/cli.c @@ -0,0 +1,706 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2017 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 <stdint.h> +#include <vlib/vlib.h> +#include <vlib/unix/unix.h> +#include <vnet/ethernet/ethernet.h> +#include <vnet/bonding/node.h> + +void +bond_disable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif) +{ + bond_if_t *bif; + int i; + uword p; + + bif = bond_get_master_by_dev_instance (sif->bif_dev_instance); + vec_foreach_index (i, bif->active_slaves) + { + p = *vec_elt_at_index (bif->active_slaves, i); + if (p == sif->sw_if_index) + { + vec_del1 (bif->active_slaves, i); + hash_unset (bif->active_slave_by_sw_if_index, sif->sw_if_index); + break; + } + } +} + +void +bond_enable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif) +{ + bond_if_t *bif; + + bif = bond_get_master_by_dev_instance (sif->bif_dev_instance); + if (!hash_get (bif->active_slave_by_sw_if_index, sif->sw_if_index)) + { + hash_set (bif->active_slave_by_sw_if_index, sif->sw_if_index, + sif->sw_if_index); + vec_add1 (bif->active_slaves, sif->sw_if_index); + } +} + +int +bond_dump_ifs (bond_interface_details_t ** out_bondifs) +{ + vnet_main_t *vnm = vnet_get_main (); + bond_main_t *bm = &bond_main; + bond_if_t *bif; + vnet_hw_interface_t *hi; + bond_interface_details_t *r_bondifs = NULL; + bond_interface_details_t *bondif = NULL; + + /* *INDENT-OFF* */ + pool_foreach (bif, bm->interfaces, + vec_add2(r_bondifs, bondif, 1); + memset (bondif, 0, sizeof (*bondif)); + bondif->sw_if_index = bif->sw_if_index; + hi = vnet_get_hw_interface (vnm, bif->hw_if_index); + clib_memcpy(bondif->interface_name, hi->name, + MIN (ARRAY_LEN (bondif->interface_name) - 1, + strlen ((const char *) hi->name))); + bondif->mode = bif->mode; + bondif->lb = bif->lb; + bondif->active_slaves = vec_len (bif->active_slaves); + bondif->slaves = vec_len (bif->slaves); + ); + /* *INDENT-ON* */ + + *out_bondifs = r_bondifs; + + return 0; +} + +int +bond_dump_slave_ifs (slave_interface_details_t ** out_slaveifs, + u32 bond_sw_if_index) +{ + vnet_main_t *vnm = vnet_get_main (); + bond_if_t *bif; + vnet_hw_interface_t *hi; + vnet_sw_interface_t *sw; + slave_interface_details_t *r_slaveifs = NULL; + slave_interface_details_t *slaveif = NULL; + u32 *sw_if_index = NULL; + slave_if_t *sif; + + bif = bond_get_master_by_sw_if_index (bond_sw_if_index); + if (!bif) + return 1; + + vec_foreach (sw_if_index, bif->slaves) + { + vec_add2 (r_slaveifs, slaveif, 1); + memset (slaveif, 0, sizeof (*slaveif)); + sif = bond_get_slave_by_sw_if_index (*sw_if_index); + if (sif) + { + sw = vnet_get_sw_interface (vnm, sif->sw_if_index); + hi = vnet_get_hw_interface (vnm, sw->hw_if_index); + clib_memcpy (slaveif->interface_name, hi->name, + MIN (ARRAY_LEN (slaveif->interface_name) - 1, + strlen ((const char *) hi->name))); + slaveif->sw_if_index = sif->sw_if_index; + slaveif->is_passive = sif->is_passive; + slaveif->is_long_timeout = sif->is_long_timeout; + } + } + *out_slaveifs = r_slaveifs; + + return 0; +} + +static void +bond_delete_neighbor (vlib_main_t * vm, bond_if_t * bif, slave_if_t * sif) +{ + bond_main_t *bm = &bond_main; + vnet_main_t *vnm = vnet_get_main (); + int i; + vnet_hw_interface_t *hw; + + bif->port_number_bitmap = + clib_bitmap_set (bif->port_number_bitmap, + ntohs (sif->actor_admin.port_number) - 1, 0); + hash_unset (bm->neighbor_by_sw_if_index, sif->sw_if_index); + vec_free (sif->last_marker_pkt); + vec_free (sif->last_rx_pkt); + vec_foreach_index (i, bif->slaves) + { + uword p = *vec_elt_at_index (bif->slaves, i); + if (p == sif->sw_if_index) + { + vec_del1 (bif->slaves, i); + break; + } + } + + bond_disable_collecting_distributing (vm, sif); + + /* Put back the old mac */ + hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index); + vnet_hw_interface_change_mac_address (vnm, hw->hw_if_index, + sif->persistent_hw_address); + + pool_put (bm->neighbors, sif); + + if ((bif->mode == BOND_MODE_LACP) && bm->lacp_enable_disable) + (*bm->lacp_enable_disable) (vm, bif, sif, 0); +} + +int +bond_delete_if (vlib_main_t * vm, u32 sw_if_index) +{ + bond_main_t *bm = &bond_main; + vnet_main_t *vnm = vnet_get_main (); + bond_if_t *bif; + slave_if_t *sif; + vnet_hw_interface_t *hw; + u32 *sif_sw_if_index; + + hw = vnet_get_sup_hw_interface (vnm, sw_if_index); + if (hw == NULL || bond_dev_class.index != hw->dev_class_index) + return VNET_API_ERROR_INVALID_SW_IF_INDEX; + + bif = bond_get_master_by_dev_instance (hw->dev_instance); + + vec_foreach (sif_sw_if_index, bif->slaves) + { + sif = bond_get_slave_by_sw_if_index (*sif_sw_if_index); + if (sif) + bond_delete_neighbor (vm, bif, sif); + } + + /* bring down the interface */ + vnet_hw_interface_set_flags (vnm, bif->hw_if_index, 0); + vnet_sw_interface_set_flags (vnm, bif->sw_if_index, 0); + + ethernet_delete_interface (vnm, bif->hw_if_index); + + clib_bitmap_free (bif->port_number_bitmap); + hash_unset (bm->bond_by_sw_if_index, bif->sw_if_index); + memset (bif, 0, sizeof (*bif)); + pool_put (bm->interfaces, bif); + + return 0; +} + +void +bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args) +{ + bond_main_t *bm = &bond_main; + vnet_main_t *vnm = vnet_get_main (); + vnet_sw_interface_t *sw; + bond_if_t *bif; + + if ((args->mode == BOND_MODE_LACP) && bm->lacp_plugin_loaded == 0) + { + args->rv = VNET_API_ERROR_FEATURE_DISABLED; + args->error = clib_error_return (0, "LACP plugin is not loaded"); + return; + } + if (args->mode > BOND_MODE_LACP || args->mode < BOND_MODE_ROUND_ROBIN) + { + args->rv = VNET_API_ERROR_INVALID_ARGUMENT; + args->error = clib_error_return (0, "Invalid mode"); + return; + } + if (args->lb > BOND_LB_L23) + { + args->rv = VNET_API_ERROR_INVALID_ARGUMENT; + args->error = clib_error_return (0, "Invalid load-balance"); + return; + } + pool_get (bm->interfaces, bif); + memset (bif, 0, sizeof (*bif)); + bif->dev_instance = bif - bm->interfaces; + bif->lb = args->lb; + bif->mode = args->mode; + + // Special load-balance mode used for rr and bc + if (bif->mode == BOND_MODE_ROUND_ROBIN) + bif->lb = BOND_LB_RR; + else if (bif->mode == BOND_MODE_BROADCAST) + bif->lb = BOND_LB_BC; + + bif->use_custom_mac = args->hw_addr_set; + if (!args->hw_addr_set) + { + f64 now = vlib_time_now (vm); + u32 rnd; + rnd = (u32) (now * 1e6); + rnd = random_u32 (&rnd); + + memcpy (args->hw_addr + 2, &rnd, sizeof (rnd)); + args->hw_addr[0] = 2; + args->hw_addr[1] = 0xfe; + } + memcpy (bif->hw_address, args->hw_addr, 6); + args->error = ethernet_register_interface + (vnm, bond_dev_class.index, bif - bm->interfaces /* device instance */ , + bif->hw_address /* ethernet address */ , + &bif->hw_if_index, 0 /* flag change */ ); + + if (args->error) + { + args->rv = VNET_API_ERROR_INVALID_REGISTRATION; + pool_put (bm->interfaces, bif); + return; + } + + sw = vnet_get_hw_sw_interface (vnm, bif->hw_if_index); + bif->sw_if_index = sw->sw_if_index; + bif->group = bif->sw_if_index; + + vnet_hw_interface_set_flags (vnm, bif->hw_if_index, + VNET_HW_INTERFACE_FLAG_LINK_UP); + + hash_set (bm->bond_by_sw_if_index, bif->sw_if_index, bif->dev_instance); + + // for return + args->sw_if_index = bif->sw_if_index; +} + +static clib_error_t * +bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + bond_create_if_args_t args = { 0 }; + u8 mode_is_set = 0; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return clib_error_return (0, "Missing required arguments."); + + args.mode = -1; + args.lb = BOND_LB_L2; + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "mode %U", unformat_bond_mode, &args.mode)) + mode_is_set = 1; + else if (((args.mode == BOND_MODE_LACP) || (args.mode == BOND_MODE_XOR)) + && unformat (line_input, "load-balance %U", + unformat_bond_load_balance, &args.lb)) + ; + else if (unformat (line_input, "hw-addr %U", + unformat_ethernet_address, args.hw_addr)) + args.hw_addr_set = 1; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + unformat_free (line_input); + + if (mode_is_set == 0) + return clib_error_return (0, "Missing bond mode"); + + bond_create_if (vm, &args); + + return args.error; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (bond_create_command, static) = { + .path = "create bond", + .short_help = "create bond mode {round-robin | active-backup | broadcast | " + "{lacp | xor} [load-balance { l2 | l23 | l34 }]} [hw-addr <mac-address>]", + .function = bond_create_command_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +bond_delete_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + u32 sw_if_index = ~0; + vnet_main_t *vnm = vnet_get_main (); + int rv; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return clib_error_return (0, "Missing <interface>"); + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "sw_if_index %d", &sw_if_index)) + ; + else if (unformat (line_input, "%U", unformat_vnet_sw_interface, + vnm, &sw_if_index)) + ; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + unformat_free (line_input); + + if (sw_if_index == ~0) + return clib_error_return (0, + "please specify interface name or sw_if_index"); + + rv = bond_delete_if (vm, sw_if_index); + if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX) + return clib_error_return (0, "not a bond interface"); + else if (rv != 0) + return clib_error_return (0, "error on deleting bond interface"); + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (bond_delete__command, static) = +{ + .path = "delete bond", + .short_help = "delete bond {<interface> | sw_if_index <sw_idx>}", + .function = bond_delete_command_fn, +}; +/* *INDENT-ON* */ + +void +bond_enslave (vlib_main_t * vm, bond_enslave_args_t * args) +{ + bond_main_t *bm = &bond_main; + vnet_main_t *vnm = vnet_get_main (); + bond_if_t *bif; + slave_if_t *sif; + vnet_interface_main_t *im = &vnm->interface_main; + vnet_hw_interface_t *hw, *hw2; + vnet_sw_interface_t *sw; + + bif = bond_get_master_by_sw_if_index (args->group); + if (!bif) + { + args->rv = VNET_API_ERROR_INVALID_INTERFACE; + args->error = clib_error_return (0, "bond interface not found"); + return; + } + // make sure the interface is not already enslaved + if (bond_get_slave_by_sw_if_index (args->slave)) + { + args->rv = VNET_API_ERROR_VALUE_EXIST; + args->error = clib_error_return (0, "interface was already enslaved"); + return; + } + hw = vnet_get_sup_hw_interface (vnm, args->slave); + if (hw->dev_class_index == bond_dev_class.index) + { + args->rv = VNET_API_ERROR_INVALID_INTERFACE; + args->error = + clib_error_return (0, "bond interface cannot be enslaved"); + return; + } + pool_get (bm->neighbors, sif); + memset (sif, 0, sizeof (*sif)); + clib_spinlock_init (&sif->lockp); + sw = pool_elt_at_index (im->sw_interfaces, args->slave); + sif->port_enabled = sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP; + sif->sw_if_index = sw->sw_if_index; + sif->hw_if_index = sw->hw_if_index; + sif->packet_template_index = (u8) ~ 0; + sif->is_passive = args->is_passive; + sif->group = args->group; + sif->bif_dev_instance = bif->dev_instance; + sif->mode = bif->mode; + + sif->is_long_timeout = args->is_long_timeout; + if (args->is_long_timeout) + sif->ttl_in_seconds = LACP_LONG_TIMOUT_TIME; + else + sif->ttl_in_seconds = LACP_SHORT_TIMOUT_TIME; + + hash_set (bm->neighbor_by_sw_if_index, sif->sw_if_index, + sif - bm->neighbors); + vec_add1 (bif->slaves, sif->sw_if_index); + + hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index); + /* Save the old mac */ + memcpy (sif->persistent_hw_address, hw->hw_address, 6); + if (bif->use_custom_mac) + { + vnet_hw_interface_change_mac_address (vnm, hw->hw_if_index, + bif->hw_address); + } + else + { + // bond interface gets the mac address from the first slave + if (vec_len (bif->slaves) == 1) + { + memcpy (bif->hw_address, hw->hw_address, 6); + hw2 = vnet_get_sup_hw_interface (vnm, bif->sw_if_index); + vnet_hw_interface_change_mac_address (vnm, hw2->hw_if_index, + hw->hw_address); + } + else + { + // subsequent slaves gets the mac address of the bond interface + vnet_hw_interface_change_mac_address (vnm, hw->hw_if_index, + bif->hw_address); + } + } + + if ((bif->mode == BOND_MODE_LACP) && bm->lacp_enable_disable) + { + (*bm->lacp_enable_disable) (vm, bif, sif, 1); + } + else + { + bond_enable_collecting_distributing (vm, sif); + } + + args->rv = vnet_feature_enable_disable ("device-input", "bond-input", + hw->hw_if_index, 1, 0, 0); + + if (args->rv) + { + args->error = + clib_error_return (0, + "Error encountered on input feature arc enable"); + } +} + +static clib_error_t * +enslave_interface_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + bond_enslave_args_t args = { 0 }; + unformat_input_t _line_input, *line_input = &_line_input; + vnet_main_t *vnm = vnet_get_main (); + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return clib_error_return (0, "Missing required arguments."); + + args.slave = ~0; + args.group = ~0; + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "interface %U", + unformat_vnet_sw_interface, vnm, &args.slave)) + ; + else if (unformat (line_input, "to %U", unformat_vnet_sw_interface, vnm, + &args.group)) + ; + else if (unformat (line_input, "passive")) + args.is_passive = 1; + else if (unformat (line_input, "long-timeout")) + args.is_long_timeout = 1; + else + { + args.error = clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + break; + } + } + unformat_free (line_input); + + if (args.error) + return args.error; + if (args.group == ~0) + return clib_error_return (0, "Missing bond interface"); + if (args.slave == ~0) + return clib_error_return (0, "please specify valid interface name"); + + bond_enslave (vm, &args); + + return args.error; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (enslave_interface_command, static) = { + .path = "enslave", + .short_help = "enslave interface <interface> to <BondEthernetx> [passive] [long-timeout]", + .function = enslave_interface_command_fn, +}; +/* *INDENT-ON* */ + +void +bond_detach_slave (vlib_main_t * vm, bond_detach_slave_args_t * args) +{ + bond_if_t *bif; + slave_if_t *sif; + + sif = bond_get_slave_by_sw_if_index (args->slave); + if (!sif) + { + args->rv = VNET_API_ERROR_INVALID_INTERFACE; + args->error = clib_error_return (0, "interface was not enslaved"); + return; + } + bif = bond_get_master_by_dev_instance (sif->bif_dev_instance); + bond_delete_neighbor (vm, bif, sif); +} + +static clib_error_t * +detach_interface_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + bond_detach_slave_args_t args = { 0 }; + unformat_input_t _line_input, *line_input = &_line_input; + vnet_main_t *vnm = vnet_get_main (); + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return clib_error_return (0, "Missing required arguments."); + + args.slave = ~0; + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "interface %U", + unformat_vnet_sw_interface, vnm, &args.slave)) + ; + else + { + args.error = clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + break; + } + } + unformat_free (line_input); + + if (args.error) + return args.error; + if (args.slave == ~0) + return clib_error_return (0, "please specify valid interface name"); + + bond_detach_slave (vm, &args); + + return args.error; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (detach_interface_command, static) = { + .path = "detach", + .short_help = "detach interface <interface>", + .function = detach_interface_command_fn, +}; +/* *INDENT-ON* */ + +static void +show_bond (vlib_main_t * vm) +{ + bond_main_t *bm = &bond_main; + bond_if_t *bif; + + vlib_cli_output (vm, "%-16s %-12s %-12s %-13s %-14s %s", + "interface name", "sw_if_index", "mode", + "load balance", "active slaves", "slaves"); + + /* *INDENT-OFF* */ + pool_foreach (bif, bm->interfaces, + ({ + vlib_cli_output (vm, "%-16U %-12d %-12U %-13U %-14u %u", + format_bond_interface_name, bif->dev_instance, + bif->sw_if_index, format_bond_mode, bif->mode, + format_bond_load_balance, bif->lb, + vec_len (bif->active_slaves), vec_len (bif->slaves)); + })); + /* *INDENT-ON* */ +} + +static void +show_bond_details (vlib_main_t * vm) +{ + bond_main_t *bm = &bond_main; + bond_if_t *bif; + u32 *sw_if_index; + + /* *INDENT-OFF* */ + pool_foreach (bif, bm->interfaces, + ({ + vlib_cli_output (vm, "%U", format_bond_interface_name, bif->dev_instance); + vlib_cli_output (vm, " mode: %U", + format_bond_mode, bif->mode); + vlib_cli_output (vm, " load balance: %U", + format_bond_load_balance, bif->lb); + if (bif->mode == BOND_MODE_ROUND_ROBIN) + vlib_cli_output (vm, " last xmit slave index: %u", + bif->lb_rr_last_index); + vlib_cli_output (vm, " number of active slaves: %d", + vec_len (bif->active_slaves)); + vec_foreach (sw_if_index, bif->active_slaves) + { + vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, + vnet_get_main (), *sw_if_index); + } + vlib_cli_output (vm, " number of slaves: %d", vec_len (bif->slaves)); + vec_foreach (sw_if_index, bif->slaves) + { + vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, + vnet_get_main (), *sw_if_index); + } + vlib_cli_output (vm, " device instance: %d", bif->dev_instance); + vlib_cli_output (vm, " sw_if_index: %d", bif->sw_if_index); + vlib_cli_output (vm, " hw_if_index: %d", bif->hw_if_index); + })); + /* *INDENT-ON* */ +} + +static clib_error_t * +show_bond_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + u8 details = 0; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "details")) + details = 1; + else + { + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + } + + if (details) + show_bond_details (vm); + else + show_bond (vm); + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_bond_command, static) = { + .path = "show bond", + .short_help = "show bond [details]", + .function = show_bond_fn, +}; +/* *INDENT-ON* */ + +clib_error_t * +bond_cli_init (vlib_main_t * vm) +{ + bond_main_t *bm = &bond_main; + + bm->vlib_main = vm; + bm->vnet_main = vnet_get_main (); + bm->neighbor_by_sw_if_index = hash_create (0, sizeof (uword)); + + return 0; +} + +VLIB_INIT_FUNCTION (bond_cli_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |