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Diffstat (limited to 'src/vnet/devices/netmap/netmap.h')
| -rw-r--r-- | src/vnet/devices/netmap/netmap.h | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/vnet/devices/netmap/netmap.h b/src/vnet/devices/netmap/netmap.h deleted file mode 100644 index 29f855fda8e..00000000000 --- a/src/vnet/devices/netmap/netmap.h +++ /dev/null @@ -1,166 +0,0 @@ -/* - *------------------------------------------------------------------ - * Copyright (c) 2016 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. - *------------------------------------------------------------------ - */ -/* - * Copyright (C) 2011-2014 Universita` di Pisa. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <vppinfra/lock.h> - -typedef struct -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - clib_spinlock_t lockp; - u8 *host_if_name; - uword if_index; - u32 hw_if_index; - u32 sw_if_index; - u32 clib_file_index; - - u32 per_interface_next_index; - u8 is_admin_up; - - /* netmap */ - struct nmreq *req; - u16 mem_region; - int fd; - struct netmap_if *nifp; - u16 first_tx_ring; - u16 last_tx_ring; - u16 first_rx_ring; - u16 last_rx_ring; - -} netmap_if_t; - -typedef struct -{ - char *mem; - u32 region_size; - int refcnt; -} netmap_mem_region_t; - -typedef struct -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - netmap_if_t *interfaces; - - /* bitmap of pending rx interfaces */ - uword *pending_input_bitmap; - - /* rx buffer cache */ - u32 **rx_buffers; - - /* hash of host interface names */ - mhash_t if_index_by_host_if_name; - - /* vector of memory regions */ - netmap_mem_region_t *mem_regions; - - /* first cpu index */ - u32 input_cpu_first_index; - - /* total cpu count */ - u32 input_cpu_count; -} netmap_main_t; - -extern netmap_main_t netmap_main; -extern vnet_device_class_t netmap_device_class; -extern vlib_node_registration_t netmap_input_node; - -int netmap_create_if (vlib_main_t * vm, u8 * host_if_name, u8 * hw_addr_set, - u8 is_pipe, u8 is_master, u32 * sw_if_index); -int netmap_delete_if (vlib_main_t * vm, u8 * host_if_name); - - -/* Macros and helper functions from sys/net/netmap_user.h */ - -#ifdef _NET_NETMAP_H_ - -#define _NETMAP_OFFSET(type, ptr, offset) \ - ((type)(void *)((char *)(ptr) + (offset))) - -#define NETMAP_IF(_base, _ofs) _NETMAP_OFFSET(struct netmap_if *, _base, _ofs) - -#define NETMAP_TXRING(nifp, index) _NETMAP_OFFSET(struct netmap_ring *, \ - nifp, (nifp)->ring_ofs[index] ) - -#define NETMAP_RXRING(nifp, index) _NETMAP_OFFSET(struct netmap_ring *, \ - nifp, (nifp)->ring_ofs[index + (nifp)->ni_tx_rings + 1] ) - -#define NETMAP_BUF(ring, index) \ - ((char *)(ring) + (ring)->buf_ofs + ((index)*(ring)->nr_buf_size)) - -#define NETMAP_BUF_IDX(ring, buf) \ - ( ((char *)(buf) - ((char *)(ring) + (ring)->buf_ofs) ) / \ - (ring)->nr_buf_size ) - -static inline uint32_t -nm_ring_next (struct netmap_ring *ring, uint32_t i) -{ - return (PREDICT_FALSE (i + 1 == ring->num_slots) ? 0 : i + 1); -} - - -/* - * Return 1 if we have pending transmissions in the tx ring. - * When everything is complete ring->head = ring->tail + 1 (modulo ring size) - */ -static inline int -nm_tx_pending (struct netmap_ring *ring) -{ - return nm_ring_next (ring, ring->tail) != ring->head; -} - -static inline uint32_t -nm_ring_space (struct netmap_ring *ring) -{ - int ret = ring->tail - ring->cur; - if (ret < 0) - ret += ring->num_slots; - return ret; -} -#endif - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |