projects / mirror_iproute2.git / blame
| Commit | Line | Data |
|---|---|---|
| 81eaf677 MB |
1 | /* iplink_ipvlan.c IPVLAN device support |
| 2 | * | |
| 3 | * This program is free software; you can redistribute it and/or | |
| 4 | * modify it under the terms of the GNU General Public License | |
| 5 | * as published by the Free Software Foundation; either version | |
| 6 | * 2 of the License, or (at your option) any later version. | |
| 7 | * | |
| 8 | * Authors: Mahesh Bandewar <maheshb@google.com> | |
| 9 | */ | |
| 10 | ||
| 11 | #include <stdio.h> | |
| 12 | #include <stdlib.h> | |
| 13 | #include <string.h> | |
| 14 | #include <sys/socket.h> | |
| 15 | #include <linux/if_link.h> | |
| 16 | ||
| 17 | #include "rt_names.h" | |
| 18 | #include "utils.h" | |
| 19 | #include "ip_common.h" | |
| 20 | ||
| 21 | static void ipvlan_explain(FILE *f) | |
| 22 | { | |
| 23 | fprintf(f, "Usage: ... ipvlan [ mode { l2 | l3 } ]\n"); | |
| 24 | } | |
| 25 | ||
| 26 | static void explain(void) | |
| 27 | { | |
| 28 | ipvlan_explain(stderr); | |
| 29 | } | |
| 30 | ||
| 31 | static int mode_arg(void) | |
| 32 | { | |
| 56f5daac | 33 | fprintf(stderr, "Error: argument of \"mode\" must be either \"l2\", or \"l3\"\n"); |
| 81eaf677 MB |
34 | return -1; |
| 35 | } | |
| 36 | ||
| 37 | static int ipvlan_parse_opt(struct link_util *lu, int argc, char **argv, | |
| 38 | struct nlmsghdr *n) | |
| 39 | { | |
| 40 | while (argc > 0) { | |
| 41 | if (matches(*argv, "mode") == 0) { | |
| 42 | __u16 mode = 0; | |
| 56f5daac | 43 | |
| 81eaf677 MB |
44 | NEXT_ARG(); |
| 45 | ||
| 46 | if (strcmp(*argv, "l2") == 0) | |
| 47 | mode = IPVLAN_MODE_L2; | |
| 48 | else if (strcmp(*argv, "l3") == 0) | |
| 49 | mode = IPVLAN_MODE_L3; | |
| 50 | else | |
| 51 | return mode_arg(); | |
| 52 | ||
| 53 | addattr16(n, 1024, IFLA_IPVLAN_MODE, mode); | |
| 54 | } else if (matches(*argv, "help") == 0) { | |
| 55 | explain(); | |
| 56 | return -1; | |
| 57 | } else { | |
| 58 | fprintf(stderr, "ipvlan: unknown option \"%s\"?\n", | |
| 59 | *argv); | |
| 60 | explain(); | |
| 61 | return -1; | |
| 62 | } | |
| 63 | argc--, argv++; | |
| 64 | } | |
| 65 | ||
| 66 | return 0; | |
| 67 | } | |
| 68 | ||
| 69 | static void ipvlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) | |
| 70 | { | |
| 71 | ||
| 72 | if (!tb) | |
| 73 | return; | |
| 74 | ||
| 75 | if (tb[IFLA_IPVLAN_MODE]) { | |
| 76 | if (RTA_PAYLOAD(tb[IFLA_IPVLAN_MODE]) == sizeof(__u16)) { | |
| 77 | __u16 mode = rta_getattr_u16(tb[IFLA_IPVLAN_MODE]); | |
| 78 | ||
| 79 | fprintf(f, " mode %s ", | |
| 80 | mode == IPVLAN_MODE_L2 ? "l2" : | |
| 81 | mode == IPVLAN_MODE_L3 ? "l3" : "unknown"); | |
| 82 | } | |
| 83 | } | |
| 84 | } | |
| 85 | ||
| 86 | static void ipvlan_print_help(struct link_util *lu, int argc, char **argv, | |
| 87 | FILE *f) | |
| 88 | { | |
| 89 | ipvlan_explain(f); | |
| 90 | } | |
| 91 | ||
| 92 | struct link_util ipvlan_link_util = { | |
| 93 | .id = "ipvlan", | |
| 94 | .maxattr = IFLA_IPVLAN_MAX, | |
| 95 | .parse_opt = ipvlan_parse_opt, | |
| 96 | .print_opt = ipvlan_print_opt, | |
| 97 | .print_help = ipvlan_print_help, | |
| 98 | }; |