X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Finterface.c;h=5fb2ff65fa2d8e2611ed6b4c25ac3e4a88174beb;hb=a8d266a7a4bf1188739dcd6d3ddcc8173282d95d;hp=638dc498fb50c82c26511cb88b803be84e27f372;hpb=f91098e49cd9ea65cfecabf3832cbb88316c4429;p=vpp.git diff --git a/src/vnet/interface.c b/src/vnet/interface.c index 638dc498fb5..5fb2ff65fa2 100644 --- a/src/vnet/interface.c +++ b/src/vnet/interface.c @@ -43,12 +43,11 @@ #include #include #include +#include -/* *INDENT-OFF* */ VLIB_REGISTER_LOG_CLASS (if_default_log, static) = { .class_name = "interface", }; -/* *INDENT-ON* */ #define log_debug(fmt,...) vlib_log_debug(if_default_log.class, fmt, __VA_ARGS__) #define log_err(fmt,...) vlib_log_err(if_default_log.class, fmt, __VA_ARGS__) @@ -140,15 +139,12 @@ serialize_vnet_interface_state (serialize_main_t * m, va_list * va) /* Serialize hardware interface classes since they may have changed. Must do this before sending up/down flags. */ - /* *INDENT-OFF* */ pool_foreach (hif, im->hw_interfaces) { vnet_hw_interface_class_t * hw_class = vnet_get_hw_interface_class (vnm, hif->hw_class_index); serialize_cstring (m, hw_class->name); } - /* *INDENT-ON* */ /* Send sw/hw interface state when non-zero. */ - /* *INDENT-OFF* */ pool_foreach (sif, im->sw_interfaces) { if (sif->flags != 0) { @@ -157,14 +153,12 @@ serialize_vnet_interface_state (serialize_main_t * m, va_list * va) st->flags = sif->flags; } } - /* *INDENT-ON* */ vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state); if (sts) - _vec_len (sts) = 0; + vec_set_len (sts, 0); - /* *INDENT-OFF* */ pool_foreach (hif, im->hw_interfaces) { if (hif->flags != 0) { @@ -173,7 +167,6 @@ serialize_vnet_interface_state (serialize_main_t * m, va_list * va) st->flags = vnet_hw_interface_flags_to_sw(hif->flags); } } - /* *INDENT-ON* */ vec_serialize (m, sts, serialize_vec_vnet_sw_hw_interface_state); @@ -205,7 +198,6 @@ unserialize_vnet_interface_state (serialize_main_t * m, va_list * va) uword *p; clib_error_t *error; - /* *INDENT-OFF* */ pool_foreach (hif, im->hw_interfaces) { unserialize_cstring (m, &class_name); p = hash_get_mem (im->hw_interface_class_by_name, class_name); @@ -221,7 +213,6 @@ unserialize_vnet_interface_state (serialize_main_t * m, va_list * va) clib_error_report (error); vec_free (class_name); } - /* *INDENT-ON* */ } vec_unserialize (m, &sts, unserialize_vec_vnet_sw_hw_interface_state); @@ -461,9 +452,6 @@ vnet_sw_interface_set_flags_helper (vnet_main_t * vnm, u32 sw_if_index, goto done; } - /* save the si admin up flag */ - old_flags = si->flags; - /* update si admin up flag in advance if we are going admin down */ if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP)) si->flags &= ~VNET_SW_INTERFACE_FLAG_ADMIN_UP; @@ -554,6 +542,21 @@ vnet_sw_interface_admin_down (vnet_main_t * vnm, u32 sw_if_index) } } +static void +vnet_if_update_lookup_tables (vnet_main_t *vnm, u32 sw_if_index) +{ + vnet_interface_main_t *im = &vnm->interface_main; + vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index); + + vec_validate_init_empty (im->hw_if_index_by_sw_if_index, sw_if_index, ~0); + vec_validate_init_empty (im->if_out_arc_end_next_index_by_sw_if_index, + sw_if_index, ~0); + + im->hw_if_index_by_sw_if_index[sw_if_index] = hi->hw_if_index; + im->if_out_arc_end_next_index_by_sw_if_index[sw_if_index] = + hi->if_out_arc_end_node_next_index; +} + static u32 vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm, vnet_sw_interface_t * template) @@ -595,6 +598,7 @@ vnet_create_sw_interface_no_callbacks (vnet_main_t * vnm, vnet_interface_counter_unlock (im); } + vnet_if_update_lookup_tables (vnm, sw_if_index); return sw_if_index; } @@ -641,6 +645,7 @@ vnet_create_sw_interface (vnet_main_t * vnm, vnet_sw_interface_t * template, /* undo the work done by vnet_create_sw_interface_no_callbacks() */ log_err ("create_sw_interface: set flags failed\n %U", format_clib_error, error); + call_sw_interface_add_del_callbacks (vnm, *sw_if_index, 0); vnet_sw_interface_t *sw = pool_elt_at_index (im->sw_interfaces, *sw_if_index); pool_put (im->sw_interfaces, sw); @@ -754,18 +759,40 @@ sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx) return WALK_CONTINUE; } -void -vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu) +clib_error_t * +vnet_hw_interface_set_max_frame_size (vnet_main_t *vnm, u32 hw_if_index, + u32 fs) { vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index); + vnet_hw_interface_class_t *hw_if_class = + vnet_get_hw_interface_class (vnm, hi->hw_class_index); + clib_error_t *err = 0; + log_debug ("set_max_frame_size: interface %v, max_frame_size %u -> %u", + hi->name, hi->max_frame_size, fs); + + if (hw_if_class->set_max_frame_size == 0) + return vnet_error (VNET_ERR_UNSUPPORTED, + "hw class doesn't support changing Max Frame Size"); - if (hi->max_packet_bytes != mtu) + if (hi->max_frame_size != fs) { - hi->max_packet_bytes = mtu; - ethernet_set_flags (vnm, hw_if_index, ETHERNET_INTERFACE_FLAG_MTU); + u32 mtu; + if (hw_if_class->set_max_frame_size) + if ((err = hw_if_class->set_max_frame_size (vnm, hi, fs))) + return err; + hi->max_frame_size = fs; + mtu = fs - hi->frame_overhead; vnet_hw_interface_walk_sw (vnm, hw_if_index, sw_interface_walk_callback, &mtu); } + return 0; +} +clib_error_t * +vnet_hw_interface_set_mtu (vnet_main_t *vnm, u32 hw_if_index, u32 mtu) +{ + vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index); + return vnet_hw_interface_set_max_frame_size (vnm, hw_if_index, + mtu + hi->frame_overhead); } static void @@ -774,13 +801,11 @@ setup_tx_node (vlib_main_t * vm, { vlib_node_t *n = vlib_get_node (vm, node_index); - n->function = dev_class->tx_function; n->format_trace = dev_class->format_tx_trace; - /// XXX: Update this to use counter structure - vlib_register_errors (vm, node_index, - dev_class->tx_function_n_errors, - dev_class->tx_function_error_strings, 0); + vlib_register_errors (vm, node_index, dev_class->tx_function_n_errors, + dev_class->tx_function_error_strings, + dev_class->tx_function_error_counters); } static void @@ -792,6 +817,36 @@ setup_output_node (vlib_main_t * vm, n->unformat_buffer = hw_class->unformat_header; } +void +vnet_reset_interface_l3_output_node (vlib_main_t *vm, u32 sw_if_index) +{ + vnet_set_interface_l3_output_node (vm, sw_if_index, + (u8 *) "interface-output"); +} + +void +vnet_set_interface_l3_output_node (vlib_main_t *vm, u32 sw_if_index, + u8 *output_node) +{ + vlib_node_t *l3_node; + + l3_node = vlib_get_node_by_name (vm, output_node); + + static char *arcs[] = { + "ip4-output", + "ip6-output", + "mpls-output", + "ethernet-output", + }; + u8 a; + + for (a = 0; a < ARRAY_LEN (arcs); a++) + { + u8 arc = vnet_get_feature_arc_index (arcs[a]); + vnet_feature_modify_end_node (arc, sw_if_index, l3_node->index); + } +} + /* Register an interface instance. */ u32 vnet_register_interface (vnet_main_t * vnm, @@ -809,7 +864,6 @@ vnet_register_interface (vnet_main_t * vnm, vnet_feature_config_main_t *fcm; vnet_config_main_t *cm; u32 hw_index, i; - char *tx_node_name = NULL, *output_node_name = NULL; vlib_node_t *if_out_node = vlib_get_node (vm, vnet_interface_output_node.index); @@ -821,6 +875,10 @@ vnet_register_interface (vnet_main_t * vnm, hw->hw_if_index = hw_index; hw->default_rx_mode = VNET_HW_IF_RX_MODE_POLLING; + if (hw_class->tx_hash_fn_type == VNET_HASH_FN_TYPE_ETHERNET || + hw_class->tx_hash_fn_type == VNET_HASH_FN_TYPE_IP) + hw->hf = vnet_hash_default_function (hw_class->tx_hash_fn_type); + if (dev_class->format_device_name) hw->name = format (0, "%U", dev_class->format_device_name, dev_instance); else if (hw_class->format_interface_name) @@ -852,15 +910,11 @@ vnet_register_interface (vnet_main_t * vnm, hw->hw_instance = hw_instance; hw->max_rate_bits_per_sec = 0; - hw->min_packet_bytes = 0; vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, 0); - if (dev_class->tx_function == 0) + if (dev_class->tx_function == 0 && dev_class->tx_fn_registrations == 0) goto no_output_nodes; /* No output/tx nodes to create */ - tx_node_name = (char *) format (0, "%v-tx", hw->name); - output_node_name = (char *) format (0, "%v-output", hw->name); - /* If we have previously deleted interface nodes, re-use them. */ if (vec_len (im->deleted_hw_interface_nodes) > 0) { @@ -873,26 +927,26 @@ vnet_register_interface (vnet_main_t * vnm, hw->tx_node_index = hn->tx_node_index; hw->output_node_index = hn->output_node_index; - vlib_node_rename (vm, hw->tx_node_index, "%v", tx_node_name); - vlib_node_rename (vm, hw->output_node_index, "%v", output_node_name); + vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name); + vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name); - /* *INDENT-OFF* */ - foreach_vlib_main ({ - vnet_interface_output_runtime_t *rt; - - rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index); - ASSERT (rt->is_deleted == 1); - rt->is_deleted = 0; - rt->hw_if_index = hw_index; - rt->sw_if_index = hw->sw_if_index; - rt->dev_instance = hw->dev_instance; + foreach_vlib_main () + { + vnet_interface_output_runtime_t *rt; - rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index); - rt->hw_if_index = hw_index; - rt->sw_if_index = hw->sw_if_index; - rt->dev_instance = hw->dev_instance; - }); - /* *INDENT-ON* */ + rt = + vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index); + ASSERT (rt->is_deleted == 1); + rt->is_deleted = 0; + rt->hw_if_index = hw_index; + rt->sw_if_index = hw->sw_if_index; + rt->dev_instance = hw->dev_instance; + + rt = vlib_node_get_runtime_data (this_vlib_main, hw->tx_node_index); + rt->hw_if_index = hw_index; + rt->sw_if_index = hw->sw_if_index; + rt->dev_instance = hw->dev_instance; + } /* The new class may differ from the old one. * Functions have to be updated. */ @@ -901,28 +955,34 @@ vnet_register_interface (vnet_main_t * vnm, node->node_fn_registrations = if_out_node->node_fn_registrations; node->function = if_out_node->function; - /* *INDENT-OFF* */ - foreach_vlib_main ({ - nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index); - nrt->function = node->function; - vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0, - VLIB_NODE_RUNTIME_PERF_RESET); - }); - /* *INDENT-ON* */ + foreach_vlib_main () + { + nrt = vlib_node_get_runtime (this_vlib_main, hw->output_node_index); + nrt->function = node->function; + vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0, + VLIB_NODE_RUNTIME_PERF_RESET); + } node = vlib_get_node (vm, hw->tx_node_index); - node->function = dev_class->tx_function; + if (dev_class->tx_fn_registrations) + { + node->node_fn_registrations = dev_class->tx_fn_registrations; + node->function = vlib_node_get_preferred_node_fn_variant ( + vm, dev_class->tx_fn_registrations); + } + else + node->function = dev_class->tx_function; node->format_trace = dev_class->format_tx_trace; - /* *INDENT-OFF* */ - foreach_vlib_main ({ - nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index); - nrt->function = node->function; - vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0, - VLIB_NODE_RUNTIME_PERF_RESET); - }); - /* *INDENT-ON* */ - - _vec_len (im->deleted_hw_interface_nodes) -= 1; + + foreach_vlib_main () + { + nrt = vlib_node_get_runtime (this_vlib_main, hw->tx_node_index); + nrt->function = node->function; + vlib_node_runtime_perf_counter (this_vlib_main, nrt, 0, 0, 0, + VLIB_NODE_RUNTIME_PERF_RESET); + } + + vec_dec_len (im->deleted_hw_interface_nodes, 1); } else { @@ -938,11 +998,10 @@ vnet_register_interface (vnet_main_t * vnm, r.type = VLIB_NODE_TYPE_INTERNAL; r.runtime_data = &rt; r.runtime_data_bytes = sizeof (rt); - r.scalar_size = 0; + r.scalar_size = sizeof (vnet_hw_if_tx_frame_t); r.vector_size = sizeof (u32); r.flags = VLIB_NODE_FLAG_IS_OUTPUT; - r.name = tx_node_name; if (dev_class->tx_fn_registrations) { r.function = 0; @@ -951,14 +1010,13 @@ vnet_register_interface (vnet_main_t * vnm, else r.function = dev_class->tx_function; - hw->tx_node_index = vlib_register_node (vm, &r); + hw->tx_node_index = vlib_register_node (vm, &r, "%v-tx", hw->name); vlib_node_add_named_next_with_slot (vm, hw->tx_node_index, "error-drop", VNET_INTERFACE_TX_NEXT_DROP); r.flags = 0; - r.name = output_node_name; r.format_trace = format_vnet_interface_output_trace; if (if_out_node->node_fn_registrations) { @@ -972,13 +1030,14 @@ vnet_register_interface (vnet_main_t * vnm, static char *e[] = { "interface is down", "interface is deleted", - "no buffers to segment GSO", + "no tx queue available", }; r.n_errors = ARRAY_LEN (e); r.error_strings = e; } - hw->output_node_index = vlib_register_node (vm, &r); + hw->output_node_index = + vlib_register_node (vm, &r, "%v-output", hw->name); vlib_node_add_named_next_with_slot (vm, hw->output_node_index, "error-drop", @@ -986,7 +1045,6 @@ vnet_register_interface (vnet_main_t * vnm, vlib_node_add_next_with_slot (vm, hw->output_node_index, hw->tx_node_index, VNET_INTERFACE_OUTPUT_NEXT_TX); - /* add interface to the list of "output-interface" feature arc start nodes and clone nexts from 1st interface if it exists */ fcm = vnet_feature_get_config_main (im->output_feature_arc_index); @@ -1010,6 +1068,9 @@ vnet_register_interface (vnet_main_t * vnm, } } + hw->if_out_arc_end_node_next_index = vlib_node_add_next ( + vm, vnet_interface_output_arc_end_node.index, hw->tx_node_index); + vnet_if_update_lookup_tables (vnm, hw->sw_if_index); setup_output_node (vm, hw->output_node_index, hw_class); setup_tx_node (vm, hw->tx_node_index, dev_class); @@ -1019,9 +1080,6 @@ no_output_nodes: VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE); vnet_hw_interface_set_flags_helper (vnm, hw_index, /* flags */ 0, VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE); - vec_free (tx_node_name); - vec_free (output_node_name); - return hw_index; } @@ -1040,14 +1098,14 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index) /* Call delete callbacks. */ call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0); - /* delete rx queues */ + /* delete rx & tx queues */ vnet_hw_if_unregister_all_rx_queues (vnm, hw_if_index); + vnet_hw_if_unregister_all_tx_queues (vnm, hw_if_index); vnet_hw_if_update_runtime_data (vnm, hw_if_index); /* Delete any sub-interfaces. */ { u32 id, sw_if_index; - /* *INDENT-OFF* */ hash_foreach (id, sw_if_index, hw->sub_interface_sw_if_index_by_id, ({ vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index); @@ -1057,7 +1115,6 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index) vnet_delete_sw_interface (vnm, sw_if_index); })); hash_free (hw->sub_interface_sw_if_index_by_id); - /* *INDENT-ON* */ } /* Delete software interface corresponding to hardware interface. */ @@ -1068,32 +1125,30 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index) /* Put output/tx nodes into recycle pool */ vnet_hw_interface_nodes_t *dn; - /* *INDENT-OFF* */ - foreach_vlib_main - ({ + foreach_vlib_main () + { vnet_interface_output_runtime_t *rt = vlib_node_get_runtime_data (this_vlib_main, hw->output_node_index); /* Mark node runtime as deleted so output node (if called) * will drop packets. */ rt->is_deleted = 1; - }); - /* *INDENT-ON* */ + } vlib_node_rename (vm, hw->output_node_index, "interface-%d-output-deleted", hw_if_index); vlib_node_rename (vm, hw->tx_node_index, "interface-%d-tx-deleted", hw_if_index); + vlib_unregister_errors (vm, hw->output_node_index); + vlib_unregister_errors (vm, hw->tx_node_index); vec_add2 (im->deleted_hw_interface_nodes, dn, 1); dn->tx_node_index = hw->tx_node_index; dn->output_node_index = hw->output_node_index; } - hash_unset_mem (im->hw_interface_by_name, hw->name); vec_free (hw->name); vec_free (hw->hw_address); - vec_free (hw->input_node_thread_index_by_queue); - vec_free (hw->rx_queue_indices); + vec_free (hw->output_node_thread_runtimes); pool_put (im->hw_interfaces, hw); } @@ -1110,14 +1165,12 @@ vnet_hw_interface_walk_sw (vnet_main_t * vnm, if (WALK_STOP == fn (vnm, hi->sw_if_index, ctx)) return; - /* *INDENT-OFF* */ hash_foreach (id, sw_if_index, hi->sub_interface_sw_if_index_by_id, ({ if (WALK_STOP == fn (vnm, sw_if_index, ctx)) break; })); - /* *INDENT-ON* */ } void @@ -1129,13 +1182,11 @@ vnet_hw_interface_walk (vnet_main_t * vnm, im = &vnm->interface_main; - /* *INDENT-OFF* */ pool_foreach (hi, im->hw_interfaces) { if (WALK_STOP == fn(vnm, hi->hw_if_index, ctx)) break; } - /* *INDENT-ON* */ } void @@ -1147,13 +1198,11 @@ vnet_sw_interface_walk (vnet_main_t * vnm, im = &vnm->interface_main; - /* *INDENT-OFF* */ pool_foreach (si, im->sw_interfaces) { if (WALK_STOP == fn (vnm, si, ctx)) break; } - /* *INDENT-ON* */ } void @@ -1291,7 +1340,10 @@ vnet_hw_interface_compare (vnet_main_t * vnm, int vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index) { - vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index); + vnet_sw_interface_t *si = vnet_get_sw_interface_or_null (vnm, sw_if_index); + if (si == NULL) + return -1; + if ((si->type == VNET_SW_INTERFACE_TYPE_P2P) || (si->type == VNET_SW_INTERFACE_TYPE_PIPE)) return 1; @@ -1313,6 +1365,49 @@ vnet_sw_interface_is_nbma (vnet_main_t * vnm, u32 sw_if_index) return (hc->flags & VNET_HW_INTERFACE_CLASS_FLAG_NBMA); } +clib_error_t * +vnet_sw_interface_supports_addressing (vnet_main_t *vnm, u32 sw_if_index) +{ + if (sw_if_index == 0) + { + return clib_error_create ( + "local0 interface doesn't support IP addressing"); + } + + if (vnet_sw_interface_is_sub (vnm, sw_if_index)) + { + vnet_sw_interface_t *si; + si = vnet_get_sw_interface_or_null (vnm, sw_if_index); + if (si && si->type == VNET_SW_INTERFACE_TYPE_SUB && + si->sub.eth.flags.exact_match == 0) + { + return clib_error_create ( + "sub-interface without exact-match doesn't support IP addressing"); + } + } + return NULL; +} + +u32 +vnet_register_device_class (vlib_main_t *vm, vnet_device_class_t *c) +{ + vnet_main_t *vnm = vnet_get_main (); + vnet_interface_main_t *im = &vnm->interface_main; + c->index = vec_len (im->device_classes); + hash_set_mem (im->device_class_by_name, c->name, c->index); + + /* to avoid confusion, please remove ".tx_function" statement + from VNET_DEVICE_CLASS() if using function candidates */ + ASSERT (c->tx_fn_registrations == 0 || c->tx_function == 0); + + if (c->tx_fn_registrations) + c->tx_function = + vlib_node_get_preferred_node_fn_variant (vm, c->tx_fn_registrations); + + vec_add1 (im->device_classes, c[0]); + return c->index; +} + clib_error_t * vnet_interface_init (vlib_main_t * vm) { @@ -1359,46 +1454,18 @@ vnet_interface_init (vlib_main_t * vm) im->device_class_by_name = hash_create_string ( /* size */ 0, sizeof (uword)); - { - vnet_device_class_t *c; - c = vnm->device_class_registrations; - - while (c) - { - c->index = vec_len (im->device_classes); - hash_set_mem (im->device_class_by_name, c->name, c->index); - - if (c->tx_fn_registrations) - { - vlib_node_fn_registration_t *fnr = c->tx_fn_registrations; - int priority = -1; - - /* to avoid confusion, please remove ".tx_function" statement - from VNET_DEVICE_CLASS() if using function candidates */ - ASSERT (c->tx_function == 0); - - while (fnr) - { - if (fnr->priority > priority) - { - priority = fnr->priority; - c->tx_function = fnr->function; - } - fnr = fnr->next_registration; - } - } - - vec_add1 (im->device_classes, c[0]); - c = c->next_class_registration; - } - } + for (vnet_device_class_t *c = vnm->device_class_registrations; c; + c = c->next_class_registration) + vnet_register_device_class (vm, c); im->hw_interface_class_by_name = hash_create_string ( /* size */ 0, sizeof (uword)); im->rxq_index_by_hw_if_index_and_queue_id = hash_create_mem (0, sizeof (u64), sizeof (u32)); + im->txq_index_by_hw_if_index_and_queue_id = + hash_create_mem (0, sizeof (u64), sizeof (u32)); im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64), sizeof (uword)); { @@ -1430,11 +1497,6 @@ vnet_interface_init (vlib_main_t * vm) vnm->interface_tag_by_sw_if_index = hash_create (0, sizeof (uword)); -#if VLIB_BUFFER_TRACE_TRAJECTORY > 0 - if ((error = vlib_call_init_function (vm, trajectory_trace_init))) - return error; -#endif - return 0; } @@ -1604,20 +1666,48 @@ vnet_hw_interface_change_mac_address (vnet_main_t * vnm, u32 hw_if_index, (vnm, hw_if_index, mac_address); } +static int +vnet_sw_interface_check_table_same (u32 unnumbered_sw_if_index, + u32 ip_sw_if_index) +{ + if (ip4_main.fib_index_by_sw_if_index[unnumbered_sw_if_index] != + ip4_main.fib_index_by_sw_if_index[ip_sw_if_index]) + return VNET_API_ERROR_UNEXPECTED_INTF_STATE; + + if (ip4_main.mfib_index_by_sw_if_index[unnumbered_sw_if_index] != + ip4_main.mfib_index_by_sw_if_index[ip_sw_if_index]) + return VNET_API_ERROR_UNEXPECTED_INTF_STATE; + + if (ip6_main.fib_index_by_sw_if_index[unnumbered_sw_if_index] != + ip6_main.fib_index_by_sw_if_index[ip_sw_if_index]) + return VNET_API_ERROR_UNEXPECTED_INTF_STATE; + + if (ip6_main.mfib_index_by_sw_if_index[unnumbered_sw_if_index] != + ip6_main.mfib_index_by_sw_if_index[ip_sw_if_index]) + return VNET_API_ERROR_UNEXPECTED_INTF_STATE; + + return 0; +} + /* update the unnumbered state of an interface*/ -void +int vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index, u32 ip_sw_if_index, u8 enable) { vnet_main_t *vnm = vnet_get_main (); vnet_sw_interface_t *si; u32 was_unnum; + int rv = 0; si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index); was_unnum = (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED); if (enable) { + rv = vnet_sw_interface_check_table_same (unnumbered_sw_if_index, + ip_sw_if_index); + if (rv != 0) + return rv; si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED; si->unnumbered_sw_if_index = ip_sw_if_index; @@ -1633,13 +1723,20 @@ vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index, } else { - si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED); - si->unnumbered_sw_if_index = (u32) ~ 0; + /* + * Unless the interface is actually unnumbered, don't + * smash e.g. if_address_pool_index_by_sw_if_index + */ + if (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) + { + si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED); + si->unnumbered_sw_if_index = (u32) ~0; - ip4_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = ~0; - ip6_main.lookup_main.if_address_pool_index_by_sw_if_index - [unnumbered_sw_if_index] = ~0; + ip4_main.lookup_main + .if_address_pool_index_by_sw_if_index[unnumbered_sw_if_index] = ~0; + ip6_main.lookup_main + .if_address_pool_index_by_sw_if_index[unnumbered_sw_if_index] = ~0; + } } if (was_unnum != (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) @@ -1647,6 +1744,8 @@ vnet_sw_interface_update_unnumbered (u32 unnumbered_sw_if_index, ip4_sw_interface_enable_disable (unnumbered_sw_if_index, enable); ip6_sw_interface_enable_disable (unnumbered_sw_if_index, enable); } + + return 0; } vnet_l3_packet_type_t @@ -1828,13 +1927,11 @@ done: return error; } -/* *INDENT-OFF* */ VLIB_CLI_COMMAND (collect_detailed_interface_stats_command, static) = { .path = "interface collect detailed-stats", .short_help = "interface collect detailed-stats ", .function = collect_detailed_interface_stats_cli, }; -/* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON