1da14cebeSEric Cheng /* 2da14cebeSEric Cheng * CDDL HEADER START 3da14cebeSEric Cheng * 4da14cebeSEric Cheng * The contents of this file are subject to the terms of the 5da14cebeSEric Cheng * Common Development and Distribution License (the "License"). 6da14cebeSEric Cheng * You may not use this file except in compliance with the License. 7da14cebeSEric Cheng * 8da14cebeSEric Cheng * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9da14cebeSEric Cheng * or http://www.opensolaris.org/os/licensing. 10da14cebeSEric Cheng * See the License for the specific language governing permissions 11da14cebeSEric Cheng * and limitations under the License. 12da14cebeSEric Cheng * 13da14cebeSEric Cheng * When distributing Covered Code, include this CDDL HEADER in each 14da14cebeSEric Cheng * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15da14cebeSEric Cheng * If applicable, add the following below this CDDL HEADER, with the 16da14cebeSEric Cheng * fields enclosed by brackets "[]" replaced with your own identifying 17da14cebeSEric Cheng * information: Portions Copyright [yyyy] [name of copyright owner] 18da14cebeSEric Cheng * 19da14cebeSEric Cheng * CDDL HEADER END 20da14cebeSEric Cheng */ 21da14cebeSEric Cheng /* 22da000602SGirish Moodalbail * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23da14cebeSEric Cheng * Use is subject to license terms. 24da14cebeSEric Cheng */ 25da14cebeSEric Cheng 26da14cebeSEric Cheng #include <stdio.h> 27da14cebeSEric Cheng #include <sys/types.h> 28da14cebeSEric Cheng #include <sys/socket.h> 29da14cebeSEric Cheng #include <sys/ethernet.h> 30da14cebeSEric Cheng #include <netinet/in.h> 31da14cebeSEric Cheng #include <arpa/inet.h> 32da14cebeSEric Cheng #include <sys/stat.h> 33*82a2fc47SJames Carlson #include <sys/dld_ioc.h> 34da14cebeSEric Cheng #include <string.h> 35da14cebeSEric Cheng #include <fcntl.h> 36da14cebeSEric Cheng #include <unistd.h> 37da14cebeSEric Cheng #include <stropts.h> 38da14cebeSEric Cheng #include <stdlib.h> 39da14cebeSEric Cheng #include <errno.h> 40da14cebeSEric Cheng #include <strings.h> 41da14cebeSEric Cheng #include <libintl.h> 42da14cebeSEric Cheng #include <netdb.h> 43da14cebeSEric Cheng #include <net/if_types.h> 44da14cebeSEric Cheng #include <net/if_dl.h> 45da14cebeSEric Cheng #include <inet/ip.h> 46da14cebeSEric Cheng #include <inet/ip6.h> 47da14cebeSEric Cheng #include <libdlflow.h> 48da14cebeSEric Cheng #include <libdlflow_impl.h> 49da14cebeSEric Cheng #include <libdladm_impl.h> 50da14cebeSEric Cheng 51da14cebeSEric Cheng /* minimum buffer size for DLDIOCWALKFLOW */ 52da14cebeSEric Cheng #define MIN_INFO_SIZE (4 * 1024) 53da14cebeSEric Cheng 54da14cebeSEric Cheng #define DLADM_FLOW_DB "/etc/dladm/flowadm.conf" 55da14cebeSEric Cheng #define DLADM_FLOW_DB_TMP "/etc/dladm/flowadm.conf.new" 56da14cebeSEric Cheng #define DLADM_FLOW_DB_LOCK "/tmp/flowadm.conf.lock" 57da14cebeSEric Cheng 58da14cebeSEric Cheng #define DLADM_FLOW_DB_PERMS S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH 59da14cebeSEric Cheng #define DLADM_FLOW_DB_OWNER UID_DLADM 60da14cebeSEric Cheng #define DLADM_FLOW_DB_GROUP GID_SYS 61da14cebeSEric Cheng 62da14cebeSEric Cheng #define BLANK_LINE(s) ((s[0] == '\0') || (s[0] == '#') || (s[0] == '\n')) 63da14cebeSEric Cheng #define MAXLINELEN 1024 64da14cebeSEric Cheng #define MAXPATHLEN 1024 65da14cebeSEric Cheng 66da14cebeSEric Cheng #define V4_PART_OF_V6(v6) ((v6)._S6_un._S6_u32[3]) 67da14cebeSEric Cheng 68da14cebeSEric Cheng /* database file parameters */ 69da14cebeSEric Cheng static const char *BW_LIMIT = "bw_limit"; 70da14cebeSEric Cheng static const char *PRIORITY = "priority"; 71da14cebeSEric Cheng static const char *LOCAL_IP_ADDR = "local_ip"; 72da14cebeSEric Cheng static const char *REMOTE_IP_ADDR = "remote_ip"; 73da14cebeSEric Cheng static const char *TRANSPORT = "transport"; 74da14cebeSEric Cheng static const char *LOCAL_PORT = "local_port"; 75da14cebeSEric Cheng static const char *DSFIELD = "dsfield"; 76da14cebeSEric Cheng 77da14cebeSEric Cheng /* 78da14cebeSEric Cheng * Open and lock the flowadm configuration file lock. The lock is 79da14cebeSEric Cheng * acquired as a reader (F_RDLCK) or writer (F_WRLCK). 80da14cebeSEric Cheng */ 81da14cebeSEric Cheng static int 82da14cebeSEric Cheng i_dladm_flow_lock_db(short type) 83da14cebeSEric Cheng { 84da14cebeSEric Cheng int lock_fd; 85da14cebeSEric Cheng struct flock lock; 86da14cebeSEric Cheng 87da14cebeSEric Cheng if ((lock_fd = open(DLADM_FLOW_DB_LOCK, O_RDWR | O_CREAT | O_TRUNC, 88da14cebeSEric Cheng DLADM_FLOW_DB_PERMS)) < 0) 89da14cebeSEric Cheng return (-1); 90da14cebeSEric Cheng 91da14cebeSEric Cheng lock.l_type = type; 92da14cebeSEric Cheng lock.l_whence = SEEK_SET; 93da14cebeSEric Cheng lock.l_start = 0; 94da14cebeSEric Cheng lock.l_len = 0; 95da14cebeSEric Cheng 96da14cebeSEric Cheng if (fcntl(lock_fd, F_SETLKW, &lock) < 0) { 97da14cebeSEric Cheng (void) close(lock_fd); 98da14cebeSEric Cheng (void) unlink(DLADM_FLOW_DB_LOCK); 99da14cebeSEric Cheng return (-1); 100da14cebeSEric Cheng } 101da14cebeSEric Cheng return (lock_fd); 102da14cebeSEric Cheng } 103da14cebeSEric Cheng 104da14cebeSEric Cheng /* 105da14cebeSEric Cheng * Unlock and close the specified file. 106da14cebeSEric Cheng */ 107da14cebeSEric Cheng static void 108da14cebeSEric Cheng i_dladm_flow_unlock_db(int fd) 109da14cebeSEric Cheng { 110da14cebeSEric Cheng struct flock lock; 111da14cebeSEric Cheng 112da14cebeSEric Cheng if (fd < 0) 113da14cebeSEric Cheng return; 114da14cebeSEric Cheng 115da14cebeSEric Cheng lock.l_type = F_UNLCK; 116da14cebeSEric Cheng lock.l_whence = SEEK_SET; 117da14cebeSEric Cheng lock.l_start = 0; 118da14cebeSEric Cheng lock.l_len = 0; 119da14cebeSEric Cheng 120da14cebeSEric Cheng (void) fcntl(fd, F_SETLKW, &lock); 121da14cebeSEric Cheng (void) close(fd); 122da14cebeSEric Cheng (void) unlink(DLADM_FLOW_DB_LOCK); 123da14cebeSEric Cheng } 124da14cebeSEric Cheng 125da14cebeSEric Cheng /* 126da14cebeSEric Cheng * Parse one line of the link flowadm DB 127da14cebeSEric Cheng * Returns -1 on failure, 0 on success. 128da14cebeSEric Cheng */ 129da14cebeSEric Cheng dladm_status_t 130da14cebeSEric Cheng dladm_flow_parse_db(char *line, dld_flowinfo_t *attr) 131da14cebeSEric Cheng { 132da14cebeSEric Cheng char *token; 133da14cebeSEric Cheng char *value, *name = NULL; 134da14cebeSEric Cheng char *endp = NULL; 135da14cebeSEric Cheng char *lasts = NULL; 136da14cebeSEric Cheng dladm_status_t status = DLADM_STATUS_FLOW_DB_PARSE_ERR; 137da14cebeSEric Cheng 138da14cebeSEric Cheng bzero(attr, sizeof (*attr)); 139da14cebeSEric Cheng 140da14cebeSEric Cheng /* flow name */ 141da14cebeSEric Cheng if ((token = strtok_r(line, " \t", &lasts)) == NULL) 142da14cebeSEric Cheng goto done; 143da14cebeSEric Cheng 144da000602SGirish Moodalbail if (strlcpy(attr->fi_flowname, token, MAXFLOWNAMELEN) >= MAXFLOWNAMELEN) 145da14cebeSEric Cheng goto done; 146da14cebeSEric Cheng 147da14cebeSEric Cheng /* resource control and flow descriptor parameters */ 148da14cebeSEric Cheng while ((token = strtok_r(NULL, " \t", &lasts)) != NULL) { 149da14cebeSEric Cheng if ((name = strdup(token)) == NULL) 150da14cebeSEric Cheng goto done; 151da14cebeSEric Cheng 152da14cebeSEric Cheng (void) strtok(name, "="); 153da14cebeSEric Cheng value = strtok(NULL, "="); 154da14cebeSEric Cheng if (value == NULL) 155da14cebeSEric Cheng goto done; 156da14cebeSEric Cheng 157da14cebeSEric Cheng if (strcmp(name, "linkid") == 0) { 158da14cebeSEric Cheng if ((attr->fi_linkid = 159da14cebeSEric Cheng (uint32_t)strtol(value, &endp, 10)) == 160da14cebeSEric Cheng DATALINK_INVALID_LINKID) 161da14cebeSEric Cheng goto done; 162da14cebeSEric Cheng 163da14cebeSEric Cheng } else if (strcmp(name, BW_LIMIT) == 0) { 164da14cebeSEric Cheng attr->fi_resource_props.mrp_mask |= 165da14cebeSEric Cheng MRP_MAXBW; 166da14cebeSEric Cheng attr->fi_resource_props.mrp_maxbw = 167da14cebeSEric Cheng (uint64_t)strtol(value, &endp, 0); 168da14cebeSEric Cheng 169da14cebeSEric Cheng } else if (strcmp(name, PRIORITY) == 0) { 170da14cebeSEric Cheng attr->fi_resource_props.mrp_mask |= MRP_PRIORITY; 171da14cebeSEric Cheng status = dladm_str2pri(value, 172da14cebeSEric Cheng &attr->fi_resource_props.mrp_priority); 173da14cebeSEric Cheng if (status != DLADM_STATUS_OK) 174da14cebeSEric Cheng goto done; 175da14cebeSEric Cheng 176da14cebeSEric Cheng } else if (strcmp(name, DSFIELD) == 0) { 177da14cebeSEric Cheng status = do_check_dsfield(value, 178da14cebeSEric Cheng &attr->fi_flow_desc); 179da14cebeSEric Cheng if (status != DLADM_STATUS_OK) 180da14cebeSEric Cheng goto done; 181da14cebeSEric Cheng 182da14cebeSEric Cheng } else if (strcmp(name, LOCAL_IP_ADDR) == 0) { 183da14cebeSEric Cheng status = do_check_ip_addr(value, B_TRUE, 184da14cebeSEric Cheng &attr->fi_flow_desc); 185da14cebeSEric Cheng if (status != DLADM_STATUS_OK) 186da14cebeSEric Cheng goto done; 187da14cebeSEric Cheng 188da14cebeSEric Cheng } else if (strcmp(name, REMOTE_IP_ADDR) == 0) { 189da14cebeSEric Cheng status = do_check_ip_addr(value, B_FALSE, 190da14cebeSEric Cheng &attr->fi_flow_desc); 191da14cebeSEric Cheng if (status != DLADM_STATUS_OK) 192da14cebeSEric Cheng goto done; 193da14cebeSEric Cheng 194da14cebeSEric Cheng } else if (strcmp(name, TRANSPORT) == 0) { 195da14cebeSEric Cheng attr->fi_flow_desc.fd_mask |= FLOW_IP_PROTOCOL; 196da14cebeSEric Cheng attr->fi_flow_desc.fd_protocol = 197da14cebeSEric Cheng (uint8_t)strtol(value, &endp, 0); 198da14cebeSEric Cheng 199da14cebeSEric Cheng } else if (strcmp(name, LOCAL_PORT) == 0) { 200da14cebeSEric Cheng attr->fi_flow_desc.fd_mask |= FLOW_ULP_PORT_LOCAL; 201da14cebeSEric Cheng attr->fi_flow_desc.fd_local_port = 202da14cebeSEric Cheng (uint16_t)strtol(value, &endp, 10); 203da14cebeSEric Cheng attr->fi_flow_desc.fd_local_port = 204da14cebeSEric Cheng htons(attr->fi_flow_desc.fd_local_port); 205da14cebeSEric Cheng } 206da14cebeSEric Cheng free(name); 207da14cebeSEric Cheng name = NULL; 208da14cebeSEric Cheng } 209da14cebeSEric Cheng if (attr->fi_linkid != DATALINK_INVALID_LINKID) 210da14cebeSEric Cheng status = DLADM_STATUS_OK; 211da14cebeSEric Cheng done: 212da14cebeSEric Cheng free(name); 213da14cebeSEric Cheng return (status); 214da14cebeSEric Cheng } 215da14cebeSEric Cheng 216da14cebeSEric Cheng #define FPRINTF_ERR(fcall) if ((fcall) < 0) return (-1); 217da14cebeSEric Cheng 218da14cebeSEric Cheng /* 219da14cebeSEric Cheng * Write the attribute of a group to the specified file. Returns 0 on 220da14cebeSEric Cheng * success, -1 on failure. 221da14cebeSEric Cheng */ 222da14cebeSEric Cheng static int 223da14cebeSEric Cheng i_dladm_flow_fput_grp(FILE *fp, dld_flowinfo_t *attr) 224da14cebeSEric Cheng { 225da14cebeSEric Cheng 226da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s\tlinkid=%d\t", 227da14cebeSEric Cheng attr->fi_flowname, attr->fi_linkid)); 228da14cebeSEric Cheng 229da14cebeSEric Cheng /* flow policy */ 230da14cebeSEric Cheng if (attr->fi_resource_props.mrp_mask & MRP_MAXBW) 231da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s=%" PRIu64 "\t", BW_LIMIT, 232da14cebeSEric Cheng attr->fi_resource_props.mrp_maxbw)); 233da14cebeSEric Cheng 234da14cebeSEric Cheng if (attr->fi_resource_props.mrp_mask & MRP_PRIORITY) 235da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s=%d\t", PRIORITY, 236da14cebeSEric Cheng attr->fi_resource_props.mrp_priority)); 237da14cebeSEric Cheng 238da14cebeSEric Cheng /* flow descriptor */ 239da14cebeSEric Cheng if (attr->fi_flow_desc.fd_mask & FLOW_IP_DSFIELD) 240da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s=%x:%x\t", DSFIELD, 241da14cebeSEric Cheng attr->fi_flow_desc.fd_dsfield, 242da14cebeSEric Cheng attr->fi_flow_desc.fd_dsfield_mask)); 243da14cebeSEric Cheng 244da14cebeSEric Cheng if (attr->fi_flow_desc.fd_mask & FLOW_IP_LOCAL) { 245da14cebeSEric Cheng char abuf[INET6_ADDRSTRLEN], *ap; 246da14cebeSEric Cheng struct in_addr ipaddr; 247da14cebeSEric Cheng int prefix_len, prefix_max; 248da14cebeSEric Cheng 249da14cebeSEric Cheng if (attr->fi_flow_desc.fd_ipversion != 6) { 250da14cebeSEric Cheng ipaddr.s_addr = 251da14cebeSEric Cheng attr->fi_flow_desc. 252da14cebeSEric Cheng fd_local_addr._S6_un._S6_u32[3]; 253da14cebeSEric Cheng 254da14cebeSEric Cheng ap = inet_ntoa(ipaddr); 255da14cebeSEric Cheng prefix_max = IP_ABITS; 256da14cebeSEric Cheng } else { 257da14cebeSEric Cheng (void) inet_ntop(AF_INET6, 258da14cebeSEric Cheng &attr->fi_flow_desc.fd_local_addr, 259da14cebeSEric Cheng abuf, INET6_ADDRSTRLEN); 260da14cebeSEric Cheng 261da14cebeSEric Cheng ap = abuf; 262da14cebeSEric Cheng prefix_max = IPV6_ABITS; 263da14cebeSEric Cheng } 264da14cebeSEric Cheng (void) dladm_mask2prefixlen( 265da14cebeSEric Cheng &attr->fi_flow_desc.fd_local_netmask, prefix_max, 266da14cebeSEric Cheng &prefix_len); 267da14cebeSEric Cheng 268da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s=%s/%d\t", LOCAL_IP_ADDR, 269da14cebeSEric Cheng ap, prefix_len)); 270da14cebeSEric Cheng } 271da14cebeSEric Cheng if (attr->fi_flow_desc.fd_mask & FLOW_IP_REMOTE) { 272da14cebeSEric Cheng char abuf[INET6_ADDRSTRLEN], *ap; 273da14cebeSEric Cheng struct in_addr ipaddr; 274da14cebeSEric Cheng int prefix_len, prefix_max; 275da14cebeSEric Cheng 276da14cebeSEric Cheng if (attr->fi_flow_desc.fd_ipversion != 6) { 277da14cebeSEric Cheng ipaddr.s_addr = 278da14cebeSEric Cheng attr->fi_flow_desc. 279da14cebeSEric Cheng fd_remote_addr._S6_un._S6_u32[3]; 280da14cebeSEric Cheng 281da14cebeSEric Cheng ap = inet_ntoa(ipaddr); 282da14cebeSEric Cheng prefix_max = IP_ABITS; 283da14cebeSEric Cheng } else { 284da14cebeSEric Cheng (void) inet_ntop(AF_INET6, 285da14cebeSEric Cheng &(attr->fi_flow_desc.fd_remote_addr), 286da14cebeSEric Cheng abuf, INET6_ADDRSTRLEN); 287da14cebeSEric Cheng 288da14cebeSEric Cheng ap = abuf; 289da14cebeSEric Cheng prefix_max = IPV6_ABITS; 290da14cebeSEric Cheng } 291da14cebeSEric Cheng (void) dladm_mask2prefixlen( 292da14cebeSEric Cheng &attr->fi_flow_desc.fd_remote_netmask, prefix_max, 293da14cebeSEric Cheng &prefix_len); 294da14cebeSEric Cheng 295da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s=%s/%d\t", REMOTE_IP_ADDR, 296da14cebeSEric Cheng ap, prefix_len)); 297da14cebeSEric Cheng } 298da14cebeSEric Cheng if (attr->fi_flow_desc.fd_mask & FLOW_IP_PROTOCOL) 299da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s=%d\t", TRANSPORT, 300da14cebeSEric Cheng attr->fi_flow_desc.fd_protocol)); 301da14cebeSEric Cheng 302da14cebeSEric Cheng if (attr->fi_flow_desc.fd_mask & FLOW_ULP_PORT_LOCAL) 303da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "%s=%d\t", LOCAL_PORT, 304da14cebeSEric Cheng ntohs(attr->fi_flow_desc.fd_local_port))); 305da14cebeSEric Cheng 306da14cebeSEric Cheng FPRINTF_ERR(fprintf(fp, "\n")); 307da14cebeSEric Cheng 308da14cebeSEric Cheng return (0); 309da14cebeSEric Cheng 310da14cebeSEric Cheng } 311da14cebeSEric Cheng 312da14cebeSEric Cheng static dladm_status_t 313da14cebeSEric Cheng i_dladm_flow_walk_rw_db(int (*fn)(void *, dld_flowinfo_t *), 314da14cebeSEric Cheng void *arg, 315da14cebeSEric Cheng const char *root) 316da14cebeSEric Cheng { 317da14cebeSEric Cheng FILE *fp, *nfp; 318da14cebeSEric Cheng int nfd, fn_rc, lock_fd; 319da14cebeSEric Cheng char line[MAXLINELEN]; 320da14cebeSEric Cheng dld_flowinfo_t attr; 321da14cebeSEric Cheng char *db_file, *tmp_db_file; 322da14cebeSEric Cheng char db_file_buf[MAXPATHLEN]; 323da14cebeSEric Cheng char tmp_db_file_buf[MAXPATHLEN]; 324da14cebeSEric Cheng dladm_status_t status = DLADM_STATUS_FLOW_DB_ERR; 325da14cebeSEric Cheng 326da14cebeSEric Cheng if (root == NULL) { 327da14cebeSEric Cheng db_file = DLADM_FLOW_DB; 328da14cebeSEric Cheng tmp_db_file = DLADM_FLOW_DB_TMP; 329da14cebeSEric Cheng } else { 330da14cebeSEric Cheng (void) snprintf(db_file_buf, MAXPATHLEN, "%s%s", root, 331da14cebeSEric Cheng DLADM_FLOW_DB); 332da14cebeSEric Cheng (void) snprintf(tmp_db_file_buf, MAXPATHLEN, "%s%s", root, 333da14cebeSEric Cheng DLADM_FLOW_DB_TMP); 334da14cebeSEric Cheng db_file = db_file_buf; 335da14cebeSEric Cheng tmp_db_file = tmp_db_file_buf; 336da14cebeSEric Cheng } 337da14cebeSEric Cheng 338da14cebeSEric Cheng if ((lock_fd = i_dladm_flow_lock_db(F_WRLCK)) < 0) 339da14cebeSEric Cheng return (DLADM_STATUS_FLOW_DB_ERR); 340da14cebeSEric Cheng 341da14cebeSEric Cheng if ((fp = fopen(db_file, "r")) == NULL) { 342da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 343da14cebeSEric Cheng return (DLADM_STATUS_FLOW_DB_OPEN_ERR); 344da14cebeSEric Cheng } 345da14cebeSEric Cheng 346da14cebeSEric Cheng if ((nfd = open(tmp_db_file, O_WRONLY|O_CREAT|O_TRUNC, 347da14cebeSEric Cheng DLADM_FLOW_DB_PERMS)) == -1) { 348da14cebeSEric Cheng (void) fclose(fp); 349da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 350da14cebeSEric Cheng return (DLADM_STATUS_FLOW_DB_OPEN_ERR); 351da14cebeSEric Cheng } 352da14cebeSEric Cheng 353da14cebeSEric Cheng if ((nfp = fdopen(nfd, "w")) == NULL) { 354da14cebeSEric Cheng (void) close(nfd); 355da14cebeSEric Cheng (void) fclose(fp); 356da14cebeSEric Cheng (void) unlink(tmp_db_file); 357da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 358da14cebeSEric Cheng return (DLADM_STATUS_FLOW_DB_OPEN_ERR); 359da14cebeSEric Cheng } 360da14cebeSEric Cheng 361da14cebeSEric Cheng while (fgets(line, MAXLINELEN, fp) != NULL) { 362da14cebeSEric Cheng 363da14cebeSEric Cheng /* skip comments */ 364da14cebeSEric Cheng if (BLANK_LINE(line)) { 365da14cebeSEric Cheng if (fputs(line, nfp) == EOF) 366da14cebeSEric Cheng goto failed; 367da14cebeSEric Cheng continue; 368da14cebeSEric Cheng } 369da14cebeSEric Cheng (void) strtok(line, " \n"); 370da14cebeSEric Cheng 371da14cebeSEric Cheng if ((status = dladm_flow_parse_db(line, &attr)) != 372da14cebeSEric Cheng DLADM_STATUS_OK) 373da14cebeSEric Cheng goto failed; 374da14cebeSEric Cheng 375da14cebeSEric Cheng fn_rc = fn(arg, &attr); 376da14cebeSEric Cheng 377da14cebeSEric Cheng switch (fn_rc) { 378da14cebeSEric Cheng case -1: 379da14cebeSEric Cheng /* failure, stop walking */ 380da14cebeSEric Cheng goto failed; 381da14cebeSEric Cheng case 0: 382da14cebeSEric Cheng /* 383da14cebeSEric Cheng * Success, write group attributes, which could 384da14cebeSEric Cheng * have been modified by fn(). 385da14cebeSEric Cheng */ 386da14cebeSEric Cheng if (i_dladm_flow_fput_grp(nfp, &attr) != 0) 387da14cebeSEric Cheng goto failed; 388da14cebeSEric Cheng break; 389da14cebeSEric Cheng case 1: 390da14cebeSEric Cheng /* skip current group */ 391da14cebeSEric Cheng break; 392da14cebeSEric Cheng } 393da14cebeSEric Cheng } 394da14cebeSEric Cheng if (fchmod(nfd, DLADM_FLOW_DB_PERMS) == -1) 395da14cebeSEric Cheng goto failed; 396da14cebeSEric Cheng 397da14cebeSEric Cheng if (fchown(nfd, DLADM_FLOW_DB_OWNER, DLADM_FLOW_DB_GROUP) == -1) 398da14cebeSEric Cheng goto failed; 399da14cebeSEric Cheng 400da14cebeSEric Cheng if (fflush(nfp) == EOF) 401da14cebeSEric Cheng goto failed; 402da14cebeSEric Cheng 403da14cebeSEric Cheng (void) fclose(fp); 404da14cebeSEric Cheng (void) fclose(nfp); 405da14cebeSEric Cheng 406da14cebeSEric Cheng if (rename(tmp_db_file, db_file) == -1) { 407da14cebeSEric Cheng (void) unlink(tmp_db_file); 408da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 409da14cebeSEric Cheng return (DLADM_STATUS_FLOW_DB_ERR); 410da14cebeSEric Cheng } 411da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 412da14cebeSEric Cheng return (DLADM_STATUS_OK); 413da14cebeSEric Cheng 414da14cebeSEric Cheng failed: 415da14cebeSEric Cheng (void) fclose(fp); 416da14cebeSEric Cheng (void) fclose(nfp); 417da14cebeSEric Cheng (void) unlink(tmp_db_file); 418da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 419da14cebeSEric Cheng 420da14cebeSEric Cheng return (status); 421da14cebeSEric Cheng } 422da14cebeSEric Cheng 423da14cebeSEric Cheng /* 424da14cebeSEric Cheng * Remove existing flow from DB. 425da14cebeSEric Cheng */ 426da14cebeSEric Cheng 427da14cebeSEric Cheng typedef struct remove_db_state { 428da14cebeSEric Cheng dld_flowinfo_t rs_newattr; 429da14cebeSEric Cheng dld_flowinfo_t rs_oldattr; 430da14cebeSEric Cheng boolean_t rs_found; 431da14cebeSEric Cheng } remove_db_state_t; 432da14cebeSEric Cheng 433da14cebeSEric Cheng static int 434da14cebeSEric Cheng i_dladm_flow_remove_db_fn(void *arg, dld_flowinfo_t *grp) 435da14cebeSEric Cheng { 436da14cebeSEric Cheng remove_db_state_t *state = (remove_db_state_t *)arg; 437da14cebeSEric Cheng dld_flowinfo_t *attr = &state->rs_newattr; 438da14cebeSEric Cheng 439da14cebeSEric Cheng if ((strcmp(grp->fi_flowname, attr->fi_flowname)) != 0) 440da14cebeSEric Cheng return (0); 441da14cebeSEric Cheng else { 442da14cebeSEric Cheng bcopy(grp, &state->rs_oldattr, 443da14cebeSEric Cheng sizeof (dld_flowinfo_t)); 444da14cebeSEric Cheng state->rs_found = B_TRUE; 445da14cebeSEric Cheng return (1); 446da14cebeSEric Cheng } 447da14cebeSEric Cheng } 448da14cebeSEric Cheng 449da14cebeSEric Cheng /* ARGSUSED */ 450da14cebeSEric Cheng static int 451da14cebeSEric Cheng i_dladm_flow_remove_db(remove_db_state_t *state, const char *root) 452da14cebeSEric Cheng { 453da14cebeSEric Cheng if (i_dladm_flow_walk_rw_db(i_dladm_flow_remove_db_fn, state, root) 454da14cebeSEric Cheng != 0) 455da14cebeSEric Cheng return (-1); 456da14cebeSEric Cheng 457da14cebeSEric Cheng if (!state->rs_found) { 458da14cebeSEric Cheng errno = ENOENT; 459da14cebeSEric Cheng return (-1); 460da14cebeSEric Cheng } 461da14cebeSEric Cheng 462da14cebeSEric Cheng return (0); 463da14cebeSEric Cheng } 464da14cebeSEric Cheng 465da14cebeSEric Cheng /* 466da14cebeSEric Cheng * Create a flow in the DB. 467da14cebeSEric Cheng */ 468da14cebeSEric Cheng 469da14cebeSEric Cheng typedef struct modify_db_state { 470da14cebeSEric Cheng dld_flowinfo_t ms_newattr; 471da14cebeSEric Cheng dld_flowinfo_t ms_oldattr; 472da14cebeSEric Cheng boolean_t ms_found; 473da14cebeSEric Cheng } modify_db_state_t; 474da14cebeSEric Cheng 475da14cebeSEric Cheng static dladm_status_t 476da14cebeSEric Cheng i_dladm_flow_create_db(dld_flowinfo_t *attr, const char *root) 477da14cebeSEric Cheng { 478da14cebeSEric Cheng FILE *fp; 479da14cebeSEric Cheng char line[MAXLINELEN]; 480da14cebeSEric Cheng char *db_file; 481da14cebeSEric Cheng char db_file_buf[MAXPATHLEN]; 482da14cebeSEric Cheng int lock_fd; 483da14cebeSEric Cheng dladm_status_t status = DLADM_STATUS_OK; 484da14cebeSEric Cheng 485da14cebeSEric Cheng if (root == NULL) { 486da14cebeSEric Cheng db_file = DLADM_FLOW_DB; 487da14cebeSEric Cheng } else { 488da14cebeSEric Cheng (void) snprintf(db_file_buf, MAXPATHLEN, "%s%s", root, 489da14cebeSEric Cheng DLADM_FLOW_DB); 490da14cebeSEric Cheng db_file = db_file_buf; 491da14cebeSEric Cheng } 492da14cebeSEric Cheng 493da14cebeSEric Cheng if ((lock_fd = i_dladm_flow_lock_db(F_WRLCK)) < 0) 494da14cebeSEric Cheng return (DLADM_STATUS_FLOW_DB_ERR); 495da14cebeSEric Cheng 496da14cebeSEric Cheng if ((fp = fopen(db_file, "r+")) == NULL && 497da14cebeSEric Cheng (fp = fopen(db_file, "w")) == NULL) { 498da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 499da14cebeSEric Cheng return (DLADM_STATUS_FLOW_DB_OPEN_ERR); 500da14cebeSEric Cheng } 501da14cebeSEric Cheng 502da14cebeSEric Cheng /* look for existing group with same flowname */ 503da14cebeSEric Cheng while (fgets(line, MAXLINELEN, fp) != NULL) { 504da14cebeSEric Cheng char *holder, *lasts; 505da14cebeSEric Cheng 506da14cebeSEric Cheng /* skip comments */ 507da14cebeSEric Cheng if (BLANK_LINE(line)) 508da14cebeSEric Cheng continue; 509da14cebeSEric Cheng 510da14cebeSEric Cheng /* ignore corrupted lines */ 511da14cebeSEric Cheng holder = strtok_r(line, " \t", &lasts); 512da14cebeSEric Cheng if (holder == NULL) 513da14cebeSEric Cheng continue; 514da14cebeSEric Cheng 515da14cebeSEric Cheng /* flow id */ 516da14cebeSEric Cheng if (strcmp(holder, attr->fi_flowname) == 0) { 517da14cebeSEric Cheng /* group with flow id already exists */ 518da14cebeSEric Cheng status = DLADM_STATUS_PERSIST_FLOW_EXISTS; 519da14cebeSEric Cheng goto failed; 520da14cebeSEric Cheng } 521da14cebeSEric Cheng } 522da14cebeSEric Cheng /* 523da14cebeSEric Cheng * If we get here, we've verified that no existing group with 524da14cebeSEric Cheng * the same flow id already exists. Its now time to add the new 525da14cebeSEric Cheng * group to the DB. 526da14cebeSEric Cheng */ 527da14cebeSEric Cheng if (i_dladm_flow_fput_grp(fp, attr) != 0) 528da14cebeSEric Cheng status = DLADM_STATUS_FLOW_DB_PARSE_ERR; 529da14cebeSEric Cheng 530da14cebeSEric Cheng failed: 531da14cebeSEric Cheng (void) fclose(fp); 532da14cebeSEric Cheng i_dladm_flow_unlock_db(lock_fd); 533da14cebeSEric Cheng return (status); 534da14cebeSEric Cheng } 535da14cebeSEric Cheng 536da14cebeSEric Cheng static dladm_status_t 5374ac67f02SAnurag S. Maskey i_dladm_flow_add(dladm_handle_t handle, char *flowname, datalink_id_t linkid, 5384ac67f02SAnurag S. Maskey flow_desc_t *flowdesc, mac_resource_props_t *mrp) 539da14cebeSEric Cheng { 540da14cebeSEric Cheng dld_ioc_addflow_t attr; 541da14cebeSEric Cheng 542da14cebeSEric Cheng /* create flow */ 543da14cebeSEric Cheng bzero(&attr, sizeof (attr)); 544da14cebeSEric Cheng bcopy(flowdesc, &attr.af_flow_desc, sizeof (flow_desc_t)); 545da14cebeSEric Cheng if (mrp != NULL) { 546da14cebeSEric Cheng bcopy(mrp, &attr.af_resource_props, 547da14cebeSEric Cheng sizeof (mac_resource_props_t)); 548da14cebeSEric Cheng } 549da14cebeSEric Cheng 550da14cebeSEric Cheng (void) strlcpy(attr.af_name, flowname, sizeof (attr.af_name)); 551da14cebeSEric Cheng attr.af_linkid = linkid; 552da14cebeSEric Cheng 5534ac67f02SAnurag S. Maskey if (ioctl(dladm_dld_fd(handle), DLDIOC_ADDFLOW, &attr) < 0) 554da14cebeSEric Cheng return (dladm_errno2status(errno)); 555da14cebeSEric Cheng 556da14cebeSEric Cheng return (DLADM_STATUS_OK); 557da14cebeSEric Cheng } 558da14cebeSEric Cheng 559da14cebeSEric Cheng static dladm_status_t 5604ac67f02SAnurag S. Maskey i_dladm_flow_remove(dladm_handle_t handle, char *flowname) 561da14cebeSEric Cheng { 562da14cebeSEric Cheng dld_ioc_removeflow_t attr; 563da14cebeSEric Cheng dladm_status_t status = DLADM_STATUS_OK; 564da14cebeSEric Cheng 565da14cebeSEric Cheng (void) strlcpy(attr.rf_name, flowname, 566da14cebeSEric Cheng sizeof (attr.rf_name)); 567da14cebeSEric Cheng 5684ac67f02SAnurag S. Maskey if (ioctl(dladm_dld_fd(handle), DLDIOC_REMOVEFLOW, &attr) < 0) 569da14cebeSEric Cheng status = dladm_errno2status(errno); 570da14cebeSEric Cheng 571da14cebeSEric Cheng return (status); 572da14cebeSEric Cheng } 573da14cebeSEric Cheng 574da14cebeSEric Cheng 575da14cebeSEric Cheng /* ARGSUSED */ 576da14cebeSEric Cheng dladm_status_t 5774ac67f02SAnurag S. Maskey dladm_flow_add(dladm_handle_t handle, datalink_id_t linkid, 5784ac67f02SAnurag S. Maskey dladm_arg_list_t *attrlist, dladm_arg_list_t *proplist, char *flowname, 5794ac67f02SAnurag S. Maskey boolean_t tempop, const char *root) 580da14cebeSEric Cheng { 581da14cebeSEric Cheng dld_flowinfo_t db_attr; 582da14cebeSEric Cheng flow_desc_t flowdesc; 583da14cebeSEric Cheng mac_resource_props_t mrp; 584da14cebeSEric Cheng dladm_status_t status; 585da14cebeSEric Cheng 586da14cebeSEric Cheng /* Extract flow attributes from attrlist */ 587da14cebeSEric Cheng bzero(&flowdesc, sizeof (flow_desc_t)); 588da14cebeSEric Cheng if (attrlist != NULL && (status = dladm_flow_attrlist_extract(attrlist, 589da14cebeSEric Cheng &flowdesc)) != DLADM_STATUS_OK) { 590da14cebeSEric Cheng return (status); 591da14cebeSEric Cheng } 592da14cebeSEric Cheng 593da14cebeSEric Cheng /* Extract resource_ctl and cpu_list from proplist */ 594da14cebeSEric Cheng bzero(&mrp, sizeof (mac_resource_props_t)); 595da14cebeSEric Cheng if (proplist != NULL && (status = dladm_flow_proplist_extract(proplist, 596da14cebeSEric Cheng &mrp)) != DLADM_STATUS_OK) { 597da14cebeSEric Cheng return (status); 598da14cebeSEric Cheng } 599da14cebeSEric Cheng 600da14cebeSEric Cheng /* Add flow in kernel */ 6014ac67f02SAnurag S. Maskey status = i_dladm_flow_add(handle, flowname, linkid, &flowdesc, &mrp); 602da14cebeSEric Cheng if (status != DLADM_STATUS_OK) 603da14cebeSEric Cheng return (status); 604da14cebeSEric Cheng 605da14cebeSEric Cheng /* Add flow to DB */ 606da14cebeSEric Cheng if (!tempop) { 607da14cebeSEric Cheng bzero(&db_attr, sizeof (db_attr)); 608da14cebeSEric Cheng bcopy(&flowdesc, &db_attr.fi_flow_desc, sizeof (flow_desc_t)); 609da14cebeSEric Cheng (void) strlcpy(db_attr.fi_flowname, flowname, 610da14cebeSEric Cheng sizeof (db_attr.fi_flowname)); 611da14cebeSEric Cheng db_attr.fi_linkid = linkid; 612da14cebeSEric Cheng 613da14cebeSEric Cheng if ((status = i_dladm_flow_create_db(&db_attr, root)) != 614da14cebeSEric Cheng DLADM_STATUS_OK) { 6154ac67f02SAnurag S. Maskey (void) i_dladm_flow_remove(handle, flowname); 616da14cebeSEric Cheng return (status); 617da14cebeSEric Cheng } 618da14cebeSEric Cheng /* set flow properties */ 619da14cebeSEric Cheng if (proplist != NULL) { 6204ac67f02SAnurag S. Maskey status = i_dladm_set_flow_proplist_db(handle, flowname, 621da14cebeSEric Cheng proplist); 622da14cebeSEric Cheng if (status != DLADM_STATUS_OK) { 6234ac67f02SAnurag S. Maskey (void) i_dladm_flow_remove(handle, flowname); 624da14cebeSEric Cheng return (status); 625da14cebeSEric Cheng } 626da14cebeSEric Cheng } 627da14cebeSEric Cheng } 628da14cebeSEric Cheng return (status); 629da14cebeSEric Cheng } 630da14cebeSEric Cheng 631da14cebeSEric Cheng /* 632da14cebeSEric Cheng * Remove a flow. 633da14cebeSEric Cheng */ 634da14cebeSEric Cheng /* ARGSUSED */ 635da14cebeSEric Cheng dladm_status_t 6364ac67f02SAnurag S. Maskey dladm_flow_remove(dladm_handle_t handle, char *flowname, boolean_t tempop, 637da14cebeSEric Cheng const char *root) 638da14cebeSEric Cheng { 639da14cebeSEric Cheng remove_db_state_t state; 640da14cebeSEric Cheng dladm_status_t status = DLADM_STATUS_OK; 641da14cebeSEric Cheng dladm_status_t s = DLADM_STATUS_OK; 642da14cebeSEric Cheng 643da14cebeSEric Cheng /* remove flow */ 6444ac67f02SAnurag S. Maskey status = i_dladm_flow_remove(handle, flowname); 645da14cebeSEric Cheng if ((status != DLADM_STATUS_OK) && 646da14cebeSEric Cheng (tempop || status != DLADM_STATUS_NOTFOUND)) 647da14cebeSEric Cheng goto done; 648da14cebeSEric Cheng 649da14cebeSEric Cheng /* remove flow from DB */ 650da14cebeSEric Cheng if (!tempop) { 651da14cebeSEric Cheng bzero(&state, sizeof (state)); 652da14cebeSEric Cheng (void) strlcpy(state.rs_newattr.fi_flowname, flowname, 653da14cebeSEric Cheng sizeof (state.rs_newattr.fi_flowname)); 654da14cebeSEric Cheng state.rs_found = B_FALSE; 655da14cebeSEric Cheng 656da14cebeSEric Cheng /* flow DB */ 657da14cebeSEric Cheng if (i_dladm_flow_remove_db(&state, root) < 0) { 658da14cebeSEric Cheng s = dladm_errno2status(errno); 659da14cebeSEric Cheng goto done; 660da14cebeSEric Cheng } 661da14cebeSEric Cheng 662da14cebeSEric Cheng /* flow prop DB */ 6634ac67f02SAnurag S. Maskey s = dladm_set_flowprop(handle, flowname, NULL, NULL, 0, 664da14cebeSEric Cheng DLADM_OPT_PERSIST, NULL); 665da14cebeSEric Cheng } 666da14cebeSEric Cheng 667da14cebeSEric Cheng done: 668da14cebeSEric Cheng if (!tempop) { 669da14cebeSEric Cheng if (s == DLADM_STATUS_OK) { 670da14cebeSEric Cheng if (status == DLADM_STATUS_NOTFOUND) 671da14cebeSEric Cheng status = s; 672da14cebeSEric Cheng } else { 673da14cebeSEric Cheng if (s != DLADM_STATUS_NOTFOUND) 674da14cebeSEric Cheng status = s; 675da14cebeSEric Cheng } 676da14cebeSEric Cheng } 677da14cebeSEric Cheng return (status); 678da14cebeSEric Cheng } 679da14cebeSEric Cheng 680da14cebeSEric Cheng /* 681da14cebeSEric Cheng * Get an existing flow in the DB. 682da14cebeSEric Cheng */ 683da14cebeSEric Cheng 684da14cebeSEric Cheng typedef struct get_db_state { 685da14cebeSEric Cheng int (*gs_fn)(dladm_flow_attr_t *, void *); 686da14cebeSEric Cheng void *gs_arg; 687da14cebeSEric Cheng datalink_id_t gs_linkid; 688da14cebeSEric Cheng } get_db_state_t; 689da14cebeSEric Cheng 690da14cebeSEric Cheng /* 691da14cebeSEric Cheng * For each flow which matches the linkid, copy all flow information 692da14cebeSEric Cheng * to a new dladm_flow_attr_t structure and call the provided 693da14cebeSEric Cheng * function. This is used to display perisistent flows from 694da14cebeSEric Cheng * the database. 695da14cebeSEric Cheng */ 696da14cebeSEric Cheng 697da14cebeSEric Cheng static int 698da14cebeSEric Cheng i_dladm_flow_get_db_fn(void *arg, dld_flowinfo_t *grp) 699da14cebeSEric Cheng { 700da14cebeSEric Cheng get_db_state_t *state = (get_db_state_t *)arg; 701da14cebeSEric Cheng dladm_flow_attr_t attr; 702da14cebeSEric Cheng 703da14cebeSEric Cheng if (grp->fi_linkid == state->gs_linkid) { 704da14cebeSEric Cheng attr.fa_linkid = state->gs_linkid; 705da14cebeSEric Cheng bcopy(grp->fi_flowname, &attr.fa_flowname, 706da14cebeSEric Cheng sizeof (attr.fa_flowname)); 707da14cebeSEric Cheng bcopy(&grp->fi_flow_desc, &attr.fa_flow_desc, 708da14cebeSEric Cheng sizeof (attr.fa_flow_desc)); 709da14cebeSEric Cheng bcopy(&grp->fi_resource_props, &attr.fa_resource_props, 710da14cebeSEric Cheng sizeof (attr.fa_resource_props)); 711da14cebeSEric Cheng (void) state->gs_fn(&attr, state->gs_arg); 712da14cebeSEric Cheng } 713da14cebeSEric Cheng return (0); 714da14cebeSEric Cheng } 715da14cebeSEric Cheng 716da14cebeSEric Cheng /* 717da14cebeSEric Cheng * Walk through the flows defined on the system and for each flow 718da14cebeSEric Cheng * invoke <fn>(<arg>, <flow>); 719da14cebeSEric Cheng * Currently used for show-flow. 720da14cebeSEric Cheng */ 721da14cebeSEric Cheng /* ARGSUSED */ 722da14cebeSEric Cheng dladm_status_t 7234ac67f02SAnurag S. Maskey dladm_walk_flow(int (*fn)(dladm_flow_attr_t *, void *), dladm_handle_t handle, 724da14cebeSEric Cheng datalink_id_t linkid, void *arg, boolean_t persist) 725da14cebeSEric Cheng { 726da14cebeSEric Cheng dld_flowinfo_t *flow; 7274ac67f02SAnurag S. Maskey int i, bufsize; 728da14cebeSEric Cheng dld_ioc_walkflow_t *ioc = NULL; 729da14cebeSEric Cheng dladm_flow_attr_t attr; 730da14cebeSEric Cheng dladm_status_t status = DLADM_STATUS_OK; 731da14cebeSEric Cheng 732da14cebeSEric Cheng if (fn == NULL) 733da14cebeSEric Cheng return (DLADM_STATUS_BADARG); 734da14cebeSEric Cheng 735da14cebeSEric Cheng if (persist) { 736da14cebeSEric Cheng get_db_state_t state; 737da14cebeSEric Cheng 738da14cebeSEric Cheng bzero(&state, sizeof (state)); 739da14cebeSEric Cheng 740da14cebeSEric Cheng state.gs_linkid = linkid; 741da14cebeSEric Cheng state.gs_fn = fn; 742da14cebeSEric Cheng state.gs_arg = arg; 743da14cebeSEric Cheng status = i_dladm_flow_walk_rw_db(i_dladm_flow_get_db_fn, 744da14cebeSEric Cheng &state, NULL); 745da14cebeSEric Cheng if (status != DLADM_STATUS_OK) 746da14cebeSEric Cheng return (status); 747da14cebeSEric Cheng } else { 748da14cebeSEric Cheng bufsize = MIN_INFO_SIZE; 749da14cebeSEric Cheng if ((ioc = calloc(1, bufsize)) == NULL) { 750da14cebeSEric Cheng status = dladm_errno2status(errno); 751da14cebeSEric Cheng return (status); 752da14cebeSEric Cheng } 753da14cebeSEric Cheng 754da14cebeSEric Cheng ioc->wf_linkid = linkid; 755da14cebeSEric Cheng ioc->wf_len = bufsize - sizeof (*ioc); 756da14cebeSEric Cheng 7574ac67f02SAnurag S. Maskey while (ioctl(dladm_dld_fd(handle), DLDIOC_WALKFLOW, ioc) < 0) { 758da14cebeSEric Cheng if (errno == ENOSPC) { 759da14cebeSEric Cheng bufsize *= 2; 760da14cebeSEric Cheng ioc = realloc(ioc, bufsize); 761da14cebeSEric Cheng if (ioc != NULL) { 762da14cebeSEric Cheng ioc->wf_linkid = linkid; 763da14cebeSEric Cheng ioc->wf_len = bufsize - sizeof (*ioc); 764da14cebeSEric Cheng continue; 765da14cebeSEric Cheng } 766da14cebeSEric Cheng } 767da14cebeSEric Cheng goto bail; 768da14cebeSEric Cheng } 769da14cebeSEric Cheng 770da14cebeSEric Cheng flow = (dld_flowinfo_t *)(void *)(ioc + 1); 771da14cebeSEric Cheng for (i = 0; i < ioc->wf_nflows; i++, flow++) { 772da14cebeSEric Cheng bzero(&attr, sizeof (attr)); 773da14cebeSEric Cheng 774da14cebeSEric Cheng attr.fa_linkid = flow->fi_linkid; 775da14cebeSEric Cheng bcopy(&flow->fi_flowname, &attr.fa_flowname, 776da14cebeSEric Cheng sizeof (attr.fa_flowname)); 777da14cebeSEric Cheng bcopy(&flow->fi_flow_desc, &attr.fa_flow_desc, 778da14cebeSEric Cheng sizeof (attr.fa_flow_desc)); 779da14cebeSEric Cheng bcopy(&flow->fi_resource_props, &attr.fa_resource_props, 780da14cebeSEric Cheng sizeof (attr.fa_resource_props)); 781da14cebeSEric Cheng 782da14cebeSEric Cheng if (fn(&attr, arg) == DLADM_WALK_TERMINATE) 783da14cebeSEric Cheng break; 784da14cebeSEric Cheng } 785da14cebeSEric Cheng } 786da14cebeSEric Cheng 787da14cebeSEric Cheng bail: 788da14cebeSEric Cheng free(ioc); 789da14cebeSEric Cheng return (status); 790da14cebeSEric Cheng } 791da14cebeSEric Cheng 792da14cebeSEric Cheng dladm_status_t 7934ac67f02SAnurag S. Maskey dladm_flow_init(dladm_handle_t handle) 794da14cebeSEric Cheng { 795da14cebeSEric Cheng flow_desc_t flowdesc; 796da14cebeSEric Cheng datalink_id_t linkid; 797da14cebeSEric Cheng dladm_status_t s, status = DLADM_STATUS_OK; 798da000602SGirish Moodalbail char name[MAXFLOWNAMELEN]; 799da14cebeSEric Cheng char line[MAXLINELEN]; 800da14cebeSEric Cheng dld_flowinfo_t attr; 801da14cebeSEric Cheng FILE *fp; 802da14cebeSEric Cheng 803da14cebeSEric Cheng if ((fp = fopen(DLADM_FLOW_DB, "r")) == NULL) 804da14cebeSEric Cheng return (DLADM_STATUS_DB_NOTFOUND); 805da14cebeSEric Cheng 806da14cebeSEric Cheng while (fgets(line, MAXLINELEN, fp) != NULL) { 807da14cebeSEric Cheng /* skip comments */ 808da14cebeSEric Cheng if (BLANK_LINE(line)) 809da14cebeSEric Cheng continue; 810da14cebeSEric Cheng 811da14cebeSEric Cheng (void) strtok(line, " \n"); 812da14cebeSEric Cheng 813da14cebeSEric Cheng s = dladm_flow_parse_db(line, &attr); 814da14cebeSEric Cheng if (s != DLADM_STATUS_OK) { 815da14cebeSEric Cheng status = s; 816da14cebeSEric Cheng continue; 817da14cebeSEric Cheng } 818da14cebeSEric Cheng bzero(&flowdesc, sizeof (flowdesc)); 819da14cebeSEric Cheng bcopy(&attr.fi_flow_desc, &flowdesc, sizeof (flow_desc_t)); 820da14cebeSEric Cheng (void) strlcpy(name, attr.fi_flowname, 821da14cebeSEric Cheng sizeof (attr.fi_flowname)); 822da14cebeSEric Cheng linkid = attr.fi_linkid; 823da14cebeSEric Cheng 8244ac67f02SAnurag S. Maskey s = i_dladm_flow_add(handle, name, linkid, &flowdesc, NULL); 825da14cebeSEric Cheng if (s != DLADM_STATUS_OK) 826da14cebeSEric Cheng status = s; 827da14cebeSEric Cheng } 8284ac67f02SAnurag S. Maskey s = i_dladm_init_flowprop_db(handle); 829da14cebeSEric Cheng if (s != DLADM_STATUS_OK) 830da14cebeSEric Cheng status = s; 831da14cebeSEric Cheng 832da14cebeSEric Cheng (void) fclose(fp); 833da14cebeSEric Cheng return (status); 834da14cebeSEric Cheng } 835da14cebeSEric Cheng 836da14cebeSEric Cheng dladm_status_t 837da14cebeSEric Cheng dladm_prefixlen2mask(int prefixlen, int maxlen, uchar_t *mask) 838da14cebeSEric Cheng { 839da14cebeSEric Cheng if (prefixlen < 0 || prefixlen > maxlen) 840da14cebeSEric Cheng return (DLADM_STATUS_BADARG); 841da14cebeSEric Cheng 842da14cebeSEric Cheng while (prefixlen > 0) { 843da14cebeSEric Cheng if (prefixlen >= 8) { 844da14cebeSEric Cheng *mask++ = 0xFF; 845da14cebeSEric Cheng prefixlen -= 8; 846da14cebeSEric Cheng continue; 847da14cebeSEric Cheng } 848da14cebeSEric Cheng *mask |= 1 << (8 - prefixlen); 849da14cebeSEric Cheng prefixlen--; 850da14cebeSEric Cheng } 851da14cebeSEric Cheng return (DLADM_STATUS_OK); 852da14cebeSEric Cheng } 853da14cebeSEric Cheng 854da14cebeSEric Cheng dladm_status_t 855da14cebeSEric Cheng dladm_mask2prefixlen(in6_addr_t *mask, int plen, int *prefixlen) 856da14cebeSEric Cheng { 857da14cebeSEric Cheng int bits; 858da14cebeSEric Cheng int i, end; 859da14cebeSEric Cheng 860da14cebeSEric Cheng switch (plen) { 861da14cebeSEric Cheng case IP_ABITS: 862da14cebeSEric Cheng end = 3; 863da14cebeSEric Cheng break; 864da14cebeSEric Cheng case IPV6_ABITS: 865da14cebeSEric Cheng end = 0; 866da14cebeSEric Cheng break; 867da14cebeSEric Cheng default: 868da14cebeSEric Cheng return (DLADM_STATUS_BADARG); 869da14cebeSEric Cheng } 870da14cebeSEric Cheng 871da14cebeSEric Cheng for (i = 3; i >= end; i--) { 872da14cebeSEric Cheng if (mask->_S6_un._S6_u32[i] == 0) { 873da14cebeSEric Cheng plen -= 32; 874da14cebeSEric Cheng continue; 875da14cebeSEric Cheng } 876da14cebeSEric Cheng bits = ffs(ntohl(mask->_S6_un._S6_u32[i])) - 1; 877da14cebeSEric Cheng if (bits == 0) 878da14cebeSEric Cheng break; 879da14cebeSEric Cheng plen -= bits; 880da14cebeSEric Cheng } 881da14cebeSEric Cheng *prefixlen = plen; 882da14cebeSEric Cheng return (DLADM_STATUS_OK); 883da14cebeSEric Cheng } 884