X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Finterface.c;h=5fb2ff65fa2d8e2611ed6b4c25ac3e4a88174beb;hb=a8d266a7a4bf1188739dcd6d3ddcc8173282d95d;hp=a1493c66c235ab36c0ed79697559fe37c3c14e83;hpb=88a9c0e02ab919cadd4e035133995a6afb4d1c32;p=vpp.git diff --git a/src/vnet/interface.c b/src/vnet/interface.c index a1493c66c23..5fb2ff65fa2 100644 --- a/src/vnet/interface.c +++ b/src/vnet/interface.c @@ -45,11 +45,9 @@ #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__) @@ -141,15 +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) { @@ -158,14 +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) { @@ -174,7 +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); @@ -206,7 +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); @@ -222,7 +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); @@ -655,6 +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); @@ -769,30 +760,40 @@ sw_interface_walk_callback (vnet_main_t * vnm, u32 sw_if_index, void *ctx) } clib_error_t * -vnet_hw_interface_set_mtu (vnet_main_t *vnm, u32 hw_if_index, u32 mtu) +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) { - if (mtu > hi->max_supported_packet_bytes || - mtu < hi->min_supported_packet_bytes) - return vnet_error (VNET_ERR_INVALID_VALUE, - "requested mtu must be in the %u to %u range", - hi->min_supported_packet_bytes, - hi->max_supported_packet_bytes); - if (hw_if_class->set_mtu) - if ((err = hw_if_class->set_mtu (vnm, hi, 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_packet_bytes = mtu; + 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 setup_tx_node (vlib_main_t * vm, @@ -863,7 +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); @@ -910,15 +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 && 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) { @@ -931,8 +927,8 @@ 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); foreach_vlib_main () { @@ -986,7 +982,7 @@ vnet_register_interface (vnet_main_t * vnm, VLIB_NODE_RUNTIME_PERF_RESET); } - _vec_len (im->deleted_hw_interface_nodes) -= 1; + vec_dec_len (im->deleted_hw_interface_nodes, 1); } else { @@ -1006,7 +1002,6 @@ vnet_register_interface (vnet_main_t * vnm, 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; @@ -1015,14 +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) { @@ -1042,7 +1036,8 @@ vnet_register_interface (vnet_main_t * vnm, 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", @@ -1085,9 +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; } @@ -1114,7 +1106,6 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 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); @@ -1124,7 +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. */ @@ -1149,6 +1139,8 @@ vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_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; @@ -1173,14 +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 @@ -1192,13 +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 @@ -1210,13 +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 @@ -1354,7 +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; @@ -1399,6 +1388,26 @@ vnet_sw_interface_supports_addressing (vnet_main_t *vnm, u32 sw_if_index) 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) { @@ -1445,28 +1454,10 @@ 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); - - /* 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]); - 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)); @@ -1936,13 +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