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 FF_TRAFFIC, 46 }; 47 48 struct ff_sysctl_args { 49 int *name; 50 unsigned namelen; 51 void *old; 52 size_t *oldlenp; 53 void *new; 54 size_t newlen; 55 }; 56 57 struct ff_ioctl_args { 58 unsigned long cmd; 59 void *data; 60 }; 61 62 struct ff_route_args { 63 int fib; 64 unsigned len; 65 unsigned maxlen; 66 void *data; 67 }; 68 69 struct ff_top_args { 70 unsigned long loops; 71 unsigned long idle_tsc; 72 unsigned long work_tsc; 73 unsigned long sys_tsc; 74 unsigned long usr_tsc; 75 }; 76 77 struct ff_ngctl_args { 78 int cmd; 79 int ret; 80 void *data; 81 }; 82 83 enum FF_IPFW_CMD { 84 FF_IPFW_GET, 85 FF_IPFW_SET, 86 }; 87 88 struct ff_ipfw_args { 89 int cmd; 90 int level; 91 int optname; 92 void *optval; 93 socklen_t *optlen; 94 }; 95 96 struct ff_traffic_args { 97 uint64_t rx_packets; 98 uint64_t rx_bytes; 99 uint64_t tx_packets; 100 uint64_t tx_bytes; 101 }; 102 103 #define MAX_MSG_BUF_SIZE 10240 104 105 /* structure of ipc msg */ 106 struct ff_msg { 107 enum FF_MSG_TYPE msg_type; 108 /* Result of msg processing */ 109 int result; 110 /* Length of segment buffer. */ 111 size_t buf_len; 112 /* Address of segment buffer. */ 113 char *buf_addr; 114 115 union { 116 struct ff_sysctl_args sysctl; 117 struct ff_ioctl_args ioctl; 118 struct ff_route_args route; 119 struct ff_top_args top; 120 struct ff_ngctl_args ngctl; 121 struct ff_ipfw_args ipfw; 122 struct ff_traffic_args traffic; 123 }; 124 } __attribute__((packed)) __rte_cache_aligned; 125 126 #endif 127