1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef _LINUX_RDS_H 8 #define _LINUX_RDS_H 9 #include <linux/types.h> 10 #include <linux/socket.h> 11 #include <linux/in6.h> 12 #define RDS_IB_ABI_VERSION 0x301 13 #define SOL_RDS 276 14 #define RDS_CANCEL_SENT_TO 1 15 #define RDS_GET_MR 2 16 #define RDS_FREE_MR 3 17 #define RDS_RECVERR 5 18 #define RDS_CONG_MONITOR 6 19 #define RDS_GET_MR_FOR_DEST 7 20 #define SO_RDS_TRANSPORT 8 21 #define SO_RDS_MSG_RXPATH_LATENCY 10 22 #define RDS_TRANS_IB 0 23 #define RDS_TRANS_GAP 1 24 #define RDS_TRANS_TCP 2 25 #define RDS_TRANS_COUNT 3 26 #define RDS_TRANS_NONE (~0) 27 #define RDS_TRANS_IWARP RDS_TRANS_GAP 28 #define SIOCRDSSETTOS (SIOCPROTOPRIVATE) 29 #define SIOCRDSGETTOS (SIOCPROTOPRIVATE + 1) 30 typedef __u8 rds_tos_t; 31 #define RDS_CMSG_RDMA_ARGS 1 32 #define RDS_CMSG_RDMA_DEST 2 33 #define RDS_CMSG_RDMA_MAP 3 34 #define RDS_CMSG_RDMA_STATUS 4 35 #define RDS_CMSG_CONG_UPDATE 5 36 #define RDS_CMSG_ATOMIC_FADD 6 37 #define RDS_CMSG_ATOMIC_CSWP 7 38 #define RDS_CMSG_MASKED_ATOMIC_FADD 8 39 #define RDS_CMSG_MASKED_ATOMIC_CSWP 9 40 #define RDS_CMSG_RXPATH_LATENCY 11 41 #define RDS_CMSG_ZCOPY_COOKIE 12 42 #define RDS_CMSG_ZCOPY_COMPLETION 13 43 #define RDS_INFO_FIRST 10000 44 #define RDS_INFO_COUNTERS 10000 45 #define RDS_INFO_CONNECTIONS 10001 46 #define RDS_INFO_SEND_MESSAGES 10003 47 #define RDS_INFO_RETRANS_MESSAGES 10004 48 #define RDS_INFO_RECV_MESSAGES 10005 49 #define RDS_INFO_SOCKETS 10006 50 #define RDS_INFO_TCP_SOCKETS 10007 51 #define RDS_INFO_IB_CONNECTIONS 10008 52 #define RDS_INFO_CONNECTION_STATS 10009 53 #define RDS_INFO_IWARP_CONNECTIONS 10010 54 #define RDS6_INFO_CONNECTIONS 10011 55 #define RDS6_INFO_SEND_MESSAGES 10012 56 #define RDS6_INFO_RETRANS_MESSAGES 10013 57 #define RDS6_INFO_RECV_MESSAGES 10014 58 #define RDS6_INFO_SOCKETS 10015 59 #define RDS6_INFO_TCP_SOCKETS 10016 60 #define RDS6_INFO_IB_CONNECTIONS 10017 61 #define RDS_INFO_LAST 10017 62 struct rds_info_counter { 63 __u8 name[32]; 64 __u64 value; 65 } __attribute__((packed)); 66 #define RDS_INFO_CONNECTION_FLAG_SENDING 0x01 67 #define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02 68 #define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04 69 #define TRANSNAMSIZ 16 70 struct rds_info_connection { 71 __u64 next_tx_seq; 72 __u64 next_rx_seq; 73 __be32 laddr; 74 __be32 faddr; 75 __u8 transport[TRANSNAMSIZ]; 76 __u8 flags; 77 __u8 tos; 78 } __attribute__((packed)); 79 struct rds6_info_connection { 80 __u64 next_tx_seq; 81 __u64 next_rx_seq; 82 struct in6_addr laddr; 83 struct in6_addr faddr; 84 __u8 transport[TRANSNAMSIZ]; 85 __u8 flags; 86 } __attribute__((packed)); 87 #define RDS_INFO_MESSAGE_FLAG_ACK 0x01 88 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02 89 struct rds_info_message { 90 __u64 seq; 91 __u32 len; 92 __be32 laddr; 93 __be32 faddr; 94 __be16 lport; 95 __be16 fport; 96 __u8 flags; 97 __u8 tos; 98 } __attribute__((packed)); 99 struct rds6_info_message { 100 __u64 seq; 101 __u32 len; 102 struct in6_addr laddr; 103 struct in6_addr faddr; 104 __be16 lport; 105 __be16 fport; 106 __u8 flags; 107 __u8 tos; 108 } __attribute__((packed)); 109 struct rds_info_socket { 110 __u32 sndbuf; 111 __be32 bound_addr; 112 __be32 connected_addr; 113 __be16 bound_port; 114 __be16 connected_port; 115 __u32 rcvbuf; 116 __u64 inum; 117 } __attribute__((packed)); 118 struct rds6_info_socket { 119 __u32 sndbuf; 120 struct in6_addr bound_addr; 121 struct in6_addr connected_addr; 122 __be16 bound_port; 123 __be16 connected_port; 124 __u32 rcvbuf; 125 __u64 inum; 126 } __attribute__((packed)); 127 struct rds_info_tcp_socket { 128 __be32 local_addr; 129 __be16 local_port; 130 __be32 peer_addr; 131 __be16 peer_port; 132 __u64 hdr_rem; 133 __u64 data_rem; 134 __u32 last_sent_nxt; 135 __u32 last_expected_una; 136 __u32 last_seen_una; 137 __u8 tos; 138 } __attribute__((packed)); 139 struct rds6_info_tcp_socket { 140 struct in6_addr local_addr; 141 __be16 local_port; 142 struct in6_addr peer_addr; 143 __be16 peer_port; 144 __u64 hdr_rem; 145 __u64 data_rem; 146 __u32 last_sent_nxt; 147 __u32 last_expected_una; 148 __u32 last_seen_una; 149 } __attribute__((packed)); 150 #define RDS_IB_GID_LEN 16 151 struct rds_info_rdma_connection { 152 __be32 src_addr; 153 __be32 dst_addr; 154 __u8 src_gid[RDS_IB_GID_LEN]; 155 __u8 dst_gid[RDS_IB_GID_LEN]; 156 __u32 max_send_wr; 157 __u32 max_recv_wr; 158 __u32 max_send_sge; 159 __u32 rdma_mr_max; 160 __u32 rdma_mr_size; 161 __u8 tos; 162 __u8 sl; 163 __u32 cache_allocs; 164 }; 165 struct rds6_info_rdma_connection { 166 struct in6_addr src_addr; 167 struct in6_addr dst_addr; 168 __u8 src_gid[RDS_IB_GID_LEN]; 169 __u8 dst_gid[RDS_IB_GID_LEN]; 170 __u32 max_send_wr; 171 __u32 max_recv_wr; 172 __u32 max_send_sge; 173 __u32 rdma_mr_max; 174 __u32 rdma_mr_size; 175 __u8 tos; 176 __u8 sl; 177 __u32 cache_allocs; 178 }; 179 enum rds_message_rxpath_latency { 180 RDS_MSG_RX_HDR_TO_DGRAM_START = 0, 181 RDS_MSG_RX_DGRAM_REASSEMBLE, 182 RDS_MSG_RX_DGRAM_DELIVERED, 183 RDS_MSG_RX_DGRAM_TRACE_MAX 184 }; 185 struct rds_rx_trace_so { 186 __u8 rx_traces; 187 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 188 }; 189 struct rds_cmsg_rx_trace { 190 __u8 rx_traces; 191 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 192 __u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX]; 193 }; 194 #define RDS_CONG_MONITOR_SIZE 64 195 #define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE) 196 #define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port)) 197 typedef __u64 rds_rdma_cookie_t; 198 struct rds_iovec { 199 __u64 addr; 200 __u64 bytes; 201 }; 202 struct rds_get_mr_args { 203 struct rds_iovec vec; 204 __u64 cookie_addr; 205 __u64 flags; 206 }; 207 struct rds_get_mr_for_dest_args { 208 struct sockaddr_storage dest_addr; 209 struct rds_iovec vec; 210 __u64 cookie_addr; 211 __u64 flags; 212 }; 213 struct rds_free_mr_args { 214 rds_rdma_cookie_t cookie; 215 __u64 flags; 216 }; 217 struct rds_rdma_args { 218 rds_rdma_cookie_t cookie; 219 struct rds_iovec remote_vec; 220 __u64 local_vec_addr; 221 __u64 nr_local; 222 __u64 flags; 223 __u64 user_token; 224 }; 225 struct rds_atomic_args { 226 rds_rdma_cookie_t cookie; 227 __u64 local_addr; 228 __u64 remote_addr; 229 union { 230 struct { 231 __u64 compare; 232 __u64 swap; 233 } cswp; 234 struct { 235 __u64 add; 236 } fadd; 237 struct { 238 __u64 compare; 239 __u64 swap; 240 __u64 compare_mask; 241 __u64 swap_mask; 242 } m_cswp; 243 struct { 244 __u64 add; 245 __u64 nocarry_mask; 246 } m_fadd; 247 }; 248 __u64 flags; 249 __u64 user_token; 250 }; 251 struct rds_rdma_notify { 252 __u64 user_token; 253 __s32 status; 254 }; 255 #define RDS_RDMA_SUCCESS 0 256 #define RDS_RDMA_REMOTE_ERROR 1 257 #define RDS_RDMA_CANCELED 2 258 #define RDS_RDMA_DROPPED 3 259 #define RDS_RDMA_OTHER_ERROR 4 260 #define RDS_MAX_ZCOOKIES 8 261 struct rds_zcopy_cookies { 262 __u32 num; 263 __u32 cookies[RDS_MAX_ZCOOKIES]; 264 }; 265 #define RDS_RDMA_READWRITE 0x0001 266 #define RDS_RDMA_FENCE 0x0002 267 #define RDS_RDMA_INVALIDATE 0x0004 268 #define RDS_RDMA_USE_ONCE 0x0008 269 #define RDS_RDMA_DONTWAIT 0x0010 270 #define RDS_RDMA_NOTIFY_ME 0x0020 271 #define RDS_RDMA_SILENT 0x0040 272 #endif 273