1 /* 2 * Copyright (C) 2017 THL A29 Limited, a Tencent company. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #ifndef _FF_MSG_H_ 28 #define _FF_MSG_H_ 29 30 #include <rte_memory.h> 31 32 #define FF_MSG_RING_IN "ff_msg_ring_in_" 33 #define FF_MSG_RING_OUT "ff_msg_ring_out_" 34 #define FF_MSG_POOL "ff_msg_pool" 35 36 /* MSG TYPE: sysctl, ioctl, etc.. */ 37 enum FF_MSG_TYPE { 38 FF_UNKNOWN = 0, 39 FF_SYSCTL, 40 FF_IOCTL, 41 FF_ROUTE, 42 FF_TOP, 43 FF_NGCTL, 44 FF_IPFW_CTL, 45 }; 46 47 struct ff_sysctl_args { 48 int *name; 49 unsigned namelen; 50 void *old; 51 size_t *oldlenp; 52 void *new; 53 size_t newlen; 54 }; 55 56 struct ff_ioctl_args { 57 unsigned long cmd; 58 void *data; 59 }; 60 61 struct ff_route_args { 62 int fib; 63 unsigned len; 64 unsigned maxlen; 65 void *data; 66 }; 67 68 struct ff_top_args { 69 unsigned long loops; 70 unsigned long idle_tsc; 71 unsigned long work_tsc; 72 unsigned long sys_tsc; 73 unsigned long usr_tsc; 74 }; 75 76 struct ff_ngctl_args { 77 int cmd; 78 int ret; 79 void *data; 80 }; 81 82 enum FF_IPFW_CMD { 83 FF_IPFW_GET, 84 FF_IPFW_SET, 85 }; 86 87 struct ff_ipfw_args { 88 int cmd; 89 int level; 90 int optname; 91 void *optval; 92 socklen_t *optlen; 93 }; 94 95 #define MAX_MSG_BUF_SIZE 10240 96 97 /* structure of ipc msg */ 98 struct ff_msg { 99 enum FF_MSG_TYPE msg_type; 100 /* Result of msg processing */ 101 int result; 102 /* Length of segment buffer. */ 103 size_t buf_len; 104 /* Address of segment buffer. */ 105 char *buf_addr; 106 107 union { 108 struct ff_sysctl_args sysctl; 109 struct ff_ioctl_args ioctl; 110 struct ff_route_args route; 111 struct ff_top_args top; 112 struct ff_ngctl_args ngctl; 113 struct ff_ipfw_args ipfw; 114 }; 115 } __attribute__((packed)) __rte_cache_aligned; 116 117 #endif 118