diff options
| -rw-r--r-- | networking/libiproute/iplink.c | 190 |
1 files changed, 188 insertions, 2 deletions
diff --git a/networking/libiproute/iplink.c b/networking/libiproute/iplink.c index 506fb3c..5c27c2d 100644 --- a/networking/libiproute/iplink.c +++ b/networking/libiproute/iplink.c @@ -46,6 +46,12 @@ struct ifla_vlan_flags { /* taken from linux/sockios.h */ #define SIOCSIFNAME 0x8923 /* set interface name */ +#if 0 +# define dbg(...) bb_error_msg(__VA_ARGS__) +#else +# define dbg(...) ((void)0) +#endif + /* Exits on error */ static int get_ctl_fd(void) { @@ -401,12 +407,13 @@ static void vlan_parse_opt(char **argv, struct nlmsghdr *n, unsigned int size) static int do_add_or_delete(char **argv, const unsigned rtm) { static const char keywords[] ALIGN1 = - "link\0""name\0""type\0""dev\0"; + "link\0""name\0""type\0""dev\0""address\0"; enum { ARG_link, ARG_name, ARG_type, ARG_dev, + ARG_address, }; struct rtnl_handle rth; struct { @@ -415,7 +422,11 @@ static int do_add_or_delete(char **argv, const unsigned rtm) char buf[1024]; } req; smalluint arg; - char *name_str = NULL, *link_str = NULL, *type_str = NULL, *dev_str = NULL; + char *name_str = NULL; + char *link_str = NULL; + char *type_str = NULL; + char *dev_str = NULL; + char *address_str = NULL; memset(&req, 0, sizeof(req)); @@ -431,14 +442,21 @@ static int do_add_or_delete(char **argv, const unsigned rtm) if (arg == ARG_type) { NEXT_ARG(); type_str = *argv++; + dbg("type_str:'%s'", type_str); break; } if (arg == ARG_link) { NEXT_ARG(); link_str = *argv; + dbg("link_str:'%s'", link_str); } else if (arg == ARG_name) { NEXT_ARG(); name_str = *argv; + dbg("name_str:'%s'", name_str); + } else if (arg == ARG_address) { + NEXT_ARG(); + address_str = *argv; + dbg("address_str:'%s'", name_str); } else { if (arg == ARG_dev) { if (dev_str) @@ -446,6 +464,7 @@ static int do_add_or_delete(char **argv, const unsigned rtm) NEXT_ARG(); } dev_str = *argv; + dbg("dev_str:'%s'", dev_str); } argv++; } @@ -481,6 +500,14 @@ static int do_add_or_delete(char **argv, const unsigned rtm) int idx = xll_name_to_index(link_str); addattr_l(&req.n, sizeof(req), IFLA_LINK, &idx, 4); } + if (address_str) { + unsigned char abuf[32]; + int len = ll_addr_a2n(abuf, sizeof(abuf), address_str); + dbg("address len:%d", len); + if (len < 0) + return -1; + addattr_l(&req.n, sizeof(req), IFLA_ADDRESS, abuf, len); + } } if (name_str) { const size_t name_len = strlen(name_str) + 1; @@ -493,6 +520,165 @@ static int do_add_or_delete(char **argv, const unsigned rtm) return 0; } +/* Other keywords recognized by iproute2-3.12.0: */ +#if 0 + } else if (matches(*argv, "broadcast") == 0 || + strcmp(*argv, "brd") == 0) { + NEXT_ARG(); + len = ll_addr_a2n(abuf, sizeof(abuf), *argv); + if (len < 0) + return -1; + addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len); + } else if (matches(*argv, "txqueuelen") == 0 || + strcmp(*argv, "qlen") == 0 || + matches(*argv, "txqlen") == 0) { + NEXT_ARG(); + if (qlen != -1) + duparg("txqueuelen", *argv); + if (get_integer(&qlen, *argv, 0)) + invarg("Invalid \"txqueuelen\" value\n", *argv); + addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4); + } else if (strcmp(*argv, "mtu") == 0) { + NEXT_ARG(); + if (mtu != -1) + duparg("mtu", *argv); + if (get_integer(&mtu, *argv, 0)) + invarg("Invalid \"mtu\" value\n", *argv); + addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4); + } else if (strcmp(*argv, "netns") == 0) { + NEXT_ARG(); + if (netns != -1) + duparg("netns", *argv); + if ((netns = get_netns_fd(*argv)) >= 0) + addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, &netns, 4); + else if (get_integer(&netns, *argv, 0) == 0) + addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4); + else + invarg("Invalid \"netns\" value\n", *argv); + } else if (strcmp(*argv, "multicast") == 0) { + NEXT_ARG(); + req->i.ifi_change |= IFF_MULTICAST; + if (strcmp(*argv, "on") == 0) { + req->i.ifi_flags |= IFF_MULTICAST; + } else if (strcmp(*argv, "off") == 0) { + req->i.ifi_flags &= ~IFF_MULTICAST; + } else + return on_off("multicast", *argv); + } else if (strcmp(*argv, "allmulticast") == 0) { + NEXT_ARG(); + req->i.ifi_change |= IFF_ALLMULTI; + if (strcmp(*argv, "on") == 0) { + req->i.ifi_flags |= IFF_ALLMULTI; + } else if (strcmp(*argv, "off") == 0) { + req->i.ifi_flags &= ~IFF_ALLMULTI; + } else + return on_off("allmulticast", *argv); + } else if (strcmp(*argv, "promisc") == 0) { + NEXT_ARG(); + req->i.ifi_change |= IFF_PROMISC; + if (strcmp(*argv, "on") == 0) { + req->i.ifi_flags |= IFF_PROMISC; + } else if (strcmp(*argv, "off") == 0) { + req->i.ifi_flags &= ~IFF_PROMISC; + } else + return on_off("promisc", *argv); + } else if (strcmp(*argv, "trailers") == 0) { + NEXT_ARG(); + req->i.ifi_change |= IFF_NOTRAILERS; + if (strcmp(*argv, "off") == 0) { + req->i.ifi_flags |= IFF_NOTRAILERS; + } else if (strcmp(*argv, "on") == 0) { + req->i.ifi_flags &= ~IFF_NOTRAILERS; + } else + return on_off("trailers", *argv); + } else if (strcmp(*argv, "arp") == 0) { + NEXT_ARG(); + req->i.ifi_change |= IFF_NOARP; + if (strcmp(*argv, "on") == 0) { + req->i.ifi_flags &= ~IFF_NOARP; + } else if (strcmp(*argv, "off") == 0) { + req->i.ifi_flags |= IFF_NOARP; + } else + return on_off("noarp", *argv); + } else if (strcmp(*argv, "vf") == 0) { + struct rtattr *vflist; + NEXT_ARG(); + if (get_integer(&vf, *argv, 0)) { + invarg("Invalid \"vf\" value\n", *argv); + } + vflist = addattr_nest(&req->n, sizeof(*req), + IFLA_VFINFO_LIST); + len = iplink_parse_vf(vf, &argc, &argv, req); + if (len < 0) + return -1; + addattr_nest_end(&req->n, vflist); + } else if (matches(*argv, "master") == 0) { + int ifindex; + NEXT_ARG(); + ifindex = ll_name_to_index(*argv); + if (!ifindex) + invarg("Device does not exist\n", *argv); + addattr_l(&req->n, sizeof(*req), IFLA_MASTER, + &ifindex, 4); + } else if (matches(*argv, "nomaster") == 0) { + int ifindex = 0; + addattr_l(&req->n, sizeof(*req), IFLA_MASTER, + &ifindex, 4); + } else if (matches(*argv, "dynamic") == 0) { + NEXT_ARG(); + req->i.ifi_change |= IFF_DYNAMIC; + if (strcmp(*argv, "on") == 0) { + req->i.ifi_flags |= IFF_DYNAMIC; + } else if (strcmp(*argv, "off") == 0) { + req->i.ifi_flags &= ~IFF_DYNAMIC; + } else + return on_off("dynamic", *argv); + } else if (matches(*argv, "alias") == 0) { + NEXT_ARG(); + addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS, + *argv, strlen(*argv)); + argc--; argv++; + break; + } else if (strcmp(*argv, "group") == 0) { + NEXT_ARG(); + if (*group != -1) + duparg("group", *argv); + if (rtnl_group_a2n(group, *argv)) + invarg("Invalid \"group\" value\n", *argv); + } else if (strcmp(*argv, "mode") == 0) { + int mode; + NEXT_ARG(); + mode = get_link_mode(*argv); + if (mode < 0) + invarg("Invalid link mode\n", *argv); + addattr8(&req->n, sizeof(*req), IFLA_LINKMODE, mode); + } else if (strcmp(*argv, "state") == 0) { + int state; + NEXT_ARG(); + state = get_operstate(*argv); + if (state < 0) + invarg("Invalid operstate\n", *argv); + + addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state); + } else if (matches(*argv, "numtxqueues") == 0) { + NEXT_ARG(); + if (numtxqueues != -1) + duparg("numtxqueues", *argv); + if (get_integer(&numtxqueues, *argv, 0)) + invarg("Invalid \"numtxqueues\" value\n", *argv); + addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES, + &numtxqueues, 4); + } else if (matches(*argv, "numrxqueues") == 0) { + NEXT_ARG(); + if (numrxqueues != -1) + duparg("numrxqueues", *argv); + if (get_integer(&numrxqueues, *argv, 0)) + invarg("Invalid \"numrxqueues\" value\n", *argv); + addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES, + &numrxqueues, 4); + } +#endif + /* Return value becomes exitcode. It's okay to not return at all */ int FAST_FUNC do_iplink(char **argv) { |