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Diffstat (limited to 'src/vnet/interface_funcs.h')
| -rw-r--r-- | src/vnet/interface_funcs.h | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h new file mode 100644 index 00000000000..b84d151c86d --- /dev/null +++ b/src/vnet/interface_funcs.h @@ -0,0 +1,318 @@ +/* + * Copyright (c) 2015 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. + */ +/* + * interface_funcs.h: VNET interfaces/sub-interfaces exported functions + * + * Copyright (c) 2008 Eliot Dresselhaus + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef included_vnet_interface_funcs_h +#define included_vnet_interface_funcs_h + +always_inline vnet_hw_interface_t * +vnet_get_hw_interface (vnet_main_t * vnm, u32 hw_if_index) +{ + return pool_elt_at_index (vnm->interface_main.hw_interfaces, hw_if_index); +} + +always_inline vnet_sw_interface_t * +vnet_get_sw_interface (vnet_main_t * vnm, u32 sw_if_index) +{ + return pool_elt_at_index (vnm->interface_main.sw_interfaces, sw_if_index); +} + +always_inline vnet_sw_interface_t * +vnet_get_hw_sw_interface (vnet_main_t * vnm, u32 hw_if_index) +{ + vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); + vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, hw->sw_if_index); + ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE); + return sw; +} + +always_inline vnet_sw_interface_t * +vnet_get_sup_sw_interface (vnet_main_t * vnm, u32 sw_if_index) +{ + vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index); + if (sw->type == VNET_SW_INTERFACE_TYPE_SUB) + sw = vnet_get_sw_interface (vnm, sw->sup_sw_if_index); + return sw; +} + +always_inline vnet_hw_interface_t * +vnet_get_sup_hw_interface (vnet_main_t * vnm, u32 sw_if_index) +{ + vnet_sw_interface_t *sw = vnet_get_sup_sw_interface (vnm, sw_if_index); + ASSERT (sw->type == VNET_SW_INTERFACE_TYPE_HARDWARE); + return vnet_get_hw_interface (vnm, sw->hw_if_index); +} + +always_inline vnet_hw_interface_class_t * +vnet_get_hw_interface_class (vnet_main_t * vnm, u32 hw_class_index) +{ + return vec_elt_at_index (vnm->interface_main.hw_interface_classes, + hw_class_index); +} + +always_inline vnet_device_class_t * +vnet_get_device_class (vnet_main_t * vnm, u32 dev_class_index) +{ + return vec_elt_at_index (vnm->interface_main.device_classes, + dev_class_index); +} + +static inline u8 * +vnet_get_sw_interface_tag (vnet_main_t * vnm, u32 sw_if_index) +{ + uword *p; + p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index); + if (p) + return ((u8 *) p[0]); + return 0; +} + +static inline void +vnet_set_sw_interface_tag (vnet_main_t * vnm, u8 * tag, u32 sw_if_index) +{ + uword *p; + p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index); + if (p) + { + u8 *oldtag = (u8 *) p[0]; + hash_unset (vnm->interface_tag_by_sw_if_index, sw_if_index); + vec_free (oldtag); + } + + hash_set (vnm->interface_tag_by_sw_if_index, sw_if_index, tag); +} + +static inline void +vnet_clear_sw_interface_tag (vnet_main_t * vnm, u32 sw_if_index) +{ + uword *p; + p = hash_get (vnm->interface_tag_by_sw_if_index, sw_if_index); + if (p) + { + u8 *oldtag = (u8 *) p[0]; + hash_unset (vnm->interface_tag_by_sw_if_index, sw_if_index); + vec_free (oldtag); + } +} + +/** + * Call back walk type for walking SW indices on a HW interface + */ +typedef void (*vnet_hw_sw_interface_walk_t) (vnet_main_t * vnm, + u32 sw_if_index, void *ctx); + +/** + * @brief + * Walk the SW interfaces on a HW interface - this is the super + * interface and any sub-interfaces. + */ +void vnet_hw_interface_walk_sw (vnet_main_t * vnm, + u32 hw_if_index, + vnet_hw_sw_interface_walk_t fn, void *ctx); + +/* Register a hardware interface instance. */ +u32 vnet_register_interface (vnet_main_t * vnm, + u32 dev_class_index, + u32 dev_instance, + u32 hw_class_index, u32 hw_instance); + +/* Creates a software interface given template. */ +clib_error_t *vnet_create_sw_interface (vnet_main_t * vnm, + vnet_sw_interface_t * template, + u32 * sw_if_index); + +void vnet_delete_hw_interface (vnet_main_t * vnm, u32 hw_if_index); +void vnet_delete_sw_interface (vnet_main_t * vnm, u32 sw_if_index); +int vnet_sw_interface_is_p2p (vnet_main_t * vnm, u32 sw_if_index); + +always_inline uword +vnet_sw_interface_get_flags (vnet_main_t * vnm, u32 sw_if_index) +{ + vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index); + return sw->flags; +} + +always_inline uword +vnet_sw_interface_is_admin_up (vnet_main_t * vnm, u32 sw_if_index) +{ + return (vnet_sw_interface_get_flags (vnm, sw_if_index) & + VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0; +} + +always_inline uword +vnet_hw_interface_get_flags (vnet_main_t * vnm, u32 hw_if_index) +{ + vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); + return hw->flags; +} + +always_inline uword +vnet_hw_interface_get_mtu (vnet_main_t * vnm, u32 hw_if_index, + vlib_rx_or_tx_t dir) +{ + vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); + return hw->max_l3_packet_bytes[dir]; +} + +always_inline uword +vnet_sw_interface_get_mtu (vnet_main_t * vnm, u32 sw_if_index, + vlib_rx_or_tx_t dir) +{ + vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index); + return (hw->max_l3_packet_bytes[dir]); +} + +always_inline uword +vnet_hw_interface_is_link_up (vnet_main_t * vnm, u32 hw_if_index) +{ + return (vnet_hw_interface_get_flags (vnm, hw_if_index) & + VNET_HW_INTERFACE_FLAG_LINK_UP) != 0; +} + +always_inline vlib_frame_t * +vnet_get_frame_to_sw_interface (vnet_main_t * vnm, u32 sw_if_index) +{ + vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index); + return vlib_get_frame_to_node (vnm->vlib_main, hw->output_node_index); +} + +always_inline void +vnet_put_frame_to_sw_interface (vnet_main_t * vnm, u32 sw_if_index, + vlib_frame_t * f) +{ + vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index); + return vlib_put_frame_to_node (vnm->vlib_main, hw->output_node_index, f); +} + +/* Change interface flags (e.g. up, down, enable, disable). */ +clib_error_t *vnet_hw_interface_set_flags (vnet_main_t * vnm, u32 hw_if_index, + u32 flags); + +/* Change interface flags (e.g. up, down, enable, disable). */ +clib_error_t *vnet_sw_interface_set_flags (vnet_main_t * vnm, u32 sw_if_index, + u32 flags); + +/* Change interface class. */ +clib_error_t *vnet_hw_interface_set_class (vnet_main_t * vnm, u32 hw_if_index, + u32 new_hw_class_index); + +/* Redirect rx pkts to node */ +int vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index, + u32 node_index); + +void vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index, + u32 hw_class_index, u32 hw_instance); + +/* Rename interface */ +clib_error_t *vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, + char *new_name); + +/* Change interface mac address*/ +clib_error_t *vnet_hw_interface_change_mac_address (vnet_main_t * vnm, + u32 hw_if_index, + u64 mac_address); + +/* Formats sw/hw interface. */ +format_function_t format_vnet_hw_interface; +format_function_t format_vnet_sw_interface; +format_function_t format_vnet_sw_interface_name; +format_function_t format_vnet_sw_interface_name_override; +format_function_t format_vnet_sw_if_index_name; +format_function_t format_vnet_sw_interface_flags; + +/* Parses sw/hw interface name -> index. */ +unformat_function_t unformat_vnet_sw_interface; +unformat_function_t unformat_vnet_hw_interface; + +/* Parses interface flags (up, down, enable, disable, etc.) */ +unformat_function_t unformat_vnet_hw_interface_flags; +unformat_function_t unformat_vnet_sw_interface_flags; + +/* Node runtime for interface output function. */ +typedef struct +{ + u32 hw_if_index; + u32 sw_if_index; + u32 dev_instance; + u32 is_deleted; +} vnet_interface_output_runtime_t; + +/* Interface output functions. */ +void *vnet_interface_output_node_multiarch_select (void); +void *vnet_interface_output_node_flatten_multiarch_select (void); + +word vnet_sw_interface_compare (vnet_main_t * vnm, uword sw_if_index0, + uword sw_if_index1); +word vnet_hw_interface_compare (vnet_main_t * vnm, uword hw_if_index0, + uword hw_if_index1); + +typedef enum +{ + VNET_INTERFACE_OUTPUT_NEXT_DROP, + VNET_INTERFACE_OUTPUT_NEXT_TX, +} vnet_interface_output_next_t; + +typedef enum +{ + VNET_INTERFACE_TX_NEXT_DROP, + VNET_INTERFACE_TX_N_NEXT, +} vnet_interface_tx_next_t; + +#define VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT VNET_INTERFACE_TX_N_NEXT + +typedef enum +{ + VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DOWN, + VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED, +} vnet_interface_output_error_t; + +/* Format for interface output traces. */ +u8 *format_vnet_interface_output_trace (u8 * s, va_list * va); + +serialize_function_t serialize_vnet_interface_state, + unserialize_vnet_interface_state; + +#endif /* included_vnet_interface_funcs_h */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |