+#include <net/if.h>
#include <errno.h>
+#include <string.h>
+
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include <netlink/msg.h>
#include <netlink/attr.h>
-#include <linux/nl80211.h>
-
-#include <net/if.h>
+#include "nl80211.h"
#include "iw.h"
+SECTION(mpath);
+
enum plink_state {
LISTEN,
OPN_SNT,
BLOCKED
};
-enum plink_actions {
- PLINK_ACTION_UNDEFINED,
- PLINK_ACTION_OPEN,
- PLINK_ACTION_BLOCK,
-};
-
-
-static int wait_handler(struct nl_msg *msg, void *arg)
-{
- int *finished = arg;
-
- *finished = 1;
- return NL_STOP;
-}
-
-static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
- void *arg)
-{
- fprintf(stderr, "nl80211 error %d\n", err->error);
- exit(err->error);
-}
static int print_mpath_handler(struct nl_msg *msg, void *arg)
{
char dst[20], next_hop[20], dev[20];
static struct nla_policy mpath_policy[NL80211_MPATH_INFO_MAX + 1] = {
[NL80211_MPATH_INFO_FRAME_QLEN] = { .type = NLA_U32 },
- [NL80211_MPATH_INFO_DSN] = { .type = NLA_U32 },
+ [NL80211_MPATH_INFO_SN] = { .type = NLA_U32 },
[NL80211_MPATH_INFO_METRIC] = { .type = NLA_U32 },
[NL80211_MPATH_INFO_EXPTIME] = { .type = NLA_U32 },
[NL80211_MPATH_INFO_DISCOVERY_TIMEOUT] = { .type = NLA_U32 },
*/
if (!tb[NL80211_ATTR_MPATH_INFO]) {
- fprintf(stderr, "mpath info missing!");
+ fprintf(stderr, "mpath info missing!\n");
return NL_SKIP;
}
if (nla_parse_nested(pinfo, NL80211_MPATH_INFO_MAX,
tb[NL80211_ATTR_MPATH_INFO],
mpath_policy)) {
- fprintf(stderr, "failed to parse nested attributes!");
+ fprintf(stderr, "failed to parse nested attributes!\n");
return NL_SKIP;
}
mac_addr_n2a(next_hop, nla_data(tb[NL80211_ATTR_MPATH_NEXT_HOP]));
if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev);
printf("%s %s %s", dst, next_hop, dev);
- if (pinfo[NL80211_MPATH_INFO_DSN])
+ if (pinfo[NL80211_MPATH_INFO_SN])
printf("\t%u",
- nla_get_u32(pinfo[NL80211_MPATH_INFO_DSN]));
+ nla_get_u32(pinfo[NL80211_MPATH_INFO_SN]));
if (pinfo[NL80211_MPATH_INFO_METRIC])
printf("\t%u",
nla_get_u32(pinfo[NL80211_MPATH_INFO_METRIC]));
}
static int handle_mpath_get(struct nl80211_state *state,
- char *dev, int argc, char **argv)
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
{
- struct nl_msg *msg;
- struct nl_cb *cb = NULL;
- int ret = -1;
- int err;
- int finished = 0;
unsigned char dst[ETH_ALEN];
- if (argc < 1) {
- fprintf(stderr, "not enough arguments\n");
- return -1;
- }
+ if (argc < 1)
+ return 1;
if (mac_addr_a2n(dst, argv[0])) {
fprintf(stderr, "invalid mac address\n");
- return -1;
+ return 2;
}
argc--;
argv++;
- if (argc) {
- fprintf(stderr, "too many arguments\n");
- return -1;
- }
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0,
- 0, NL80211_CMD_GET_MPATH, 0);
+ if (argc)
+ return 1;
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
-
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if (nl_send_auto_complete(state->nl_handle, msg) < 0)
- goto out;
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpath_handler, NULL);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, wait_handler, &finished);
- nl_cb_err(cb, NL_CB_CUSTOM, error_handler, NULL);
+ register_handler(print_mpath_handler, NULL);
- err = nl_recvmsgs(state->nl_handle, cb);
-
- if (!finished)
- err = nl_wait_for_ack(state->nl_handle);
-
- if (err < 0)
- goto out;
-
- ret = 0;
-
- out:
- nl_cb_put(cb);
+ return 0;
nla_put_failure:
- nlmsg_free(msg);
- return ret;
+ return -ENOBUFS;
}
-
-static int handle_mpath_set(struct nl80211_state *state, int new,
- char *dev, int argc, char **argv)
+COMMAND(mpath, get, "<MAC address>",
+ NL80211_CMD_GET_MPATH, 0, CIB_NETDEV, handle_mpath_get,
+ "Get information on mesh path to the given node.");
+COMMAND(mpath, del, "<MAC address>",
+ NL80211_CMD_DEL_MPATH, 0, CIB_NETDEV, handle_mpath_get,
+ "Remove the mesh path to the given node.");
+
+static int handle_mpath_set(struct nl80211_state *state,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
{
- struct nl_msg *msg;
- struct nl_cb *cb = NULL;
- int ret = -1;
- int err, command;
- int finished = 0;
unsigned char dst[ETH_ALEN];
unsigned char next_hop[ETH_ALEN];
- if (argc < 3) {
- fprintf(stderr, "not enough arguments\n");
- return -1;
- }
+ if (argc < 3)
+ return 1;
if (mac_addr_a2n(dst, argv[0])) {
fprintf(stderr, "invalid destination mac address\n");
- return -1;
+ return 2;
}
argc--;
argv++;
- if (strcmp("next_hop", argv[0]) != 0) {
- fprintf(stderr, "parameter not supported\n");
- return -1;
- }
+ if (strcmp("next_hop", argv[0]) != 0)
+ return 1;
argc--;
argv++;
if (mac_addr_a2n(next_hop, argv[0])) {
fprintf(stderr, "invalid next hop mac address\n");
- return -1;
+ return 2;
}
argc--;
argv++;
- if (argc) {
- fprintf(stderr, "too many arguments\n");
- return -1;
- }
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- command = new ? NL80211_CMD_NEW_MPATH : NL80211_CMD_SET_MPATH;
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0, 0,
- command, 0);
+ if (argc)
+ return 1;
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if (nl_send_auto_complete(state->nl_handle, msg) < 0)
- goto out;
-
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpath_handler, NULL);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, wait_handler, &finished);
- nl_cb_err(cb, NL_CB_CUSTOM, error_handler, NULL);
-
- err = nl_recvmsgs(state->nl_handle, cb);
-
- if (!finished)
- err = nl_wait_for_ack(state->nl_handle);
-
- if (err < 0)
- goto out;
-
- ret = 0;
-
- out:
- nl_cb_put(cb);
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-static int handle_mpath_del(struct nl80211_state *state,
- char *dev, int argc, char **argv)
-{
- struct nl_msg *msg;
- struct nl_cb *cb = NULL;
- int ret = -1;
- int err;
- int finished = 0;
- unsigned char dst[ETH_ALEN];
-
- if (argc > 1) {
- fprintf(stderr, "too many arguments\n");
- return -1;
- }
-
- if (argc && mac_addr_a2n(dst, argv[0])) {
- fprintf(stderr, "invalid mac address\n");
- return -1;
- }
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0, 0,
- NL80211_CMD_DEL_MPATH, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
- if (argc)
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
-
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if (nl_send_auto_complete(state->nl_handle, msg) < 0)
- goto out;
-
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpath_handler, NULL);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, wait_handler, &finished);
- nl_cb_err(cb, NL_CB_CUSTOM, error_handler, NULL);
-
- err = nl_recvmsgs(state->nl_handle, cb);
-
- if (!finished)
- err = nl_wait_for_ack(state->nl_handle);
-
- if (err < 0)
- goto out;
-
- ret = 0;
-
- out:
- nl_cb_put(cb);
+ register_handler(print_mpath_handler, NULL);
+ return 0;
nla_put_failure:
- nlmsg_free(msg);
- return ret;
+ return -ENOBUFS;
}
+COMMAND(mpath, new, "<destination MAC address> next_hop <next hop MAC address>",
+ NL80211_CMD_NEW_MPATH, 0, CIB_NETDEV, handle_mpath_set,
+ "Create a new mesh path (instead of relying on automatic discovery).");
+COMMAND(mpath, set, "<destination MAC address> next_hop <next hop MAC address>",
+ NL80211_CMD_SET_MPATH, 0, CIB_NETDEV, handle_mpath_set,
+ "Set an existing mesh path's next hop.");
static int handle_mpath_dump(struct nl80211_state *state,
- char *dev, int argc, char **argv)
-{
- struct nl_msg *msg;
- struct nl_cb *cb = NULL;
- int ret = -1;
- int err;
- int finished = 0;
-
- if (argc) {
- fprintf(stderr, "too many arguments\n");
- return -1;
- }
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(state->nl80211), 0,
- NLM_F_DUMP, NL80211_CMD_GET_MPATH, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(dev));
-
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if (nl_send_auto_complete(state->nl_handle, msg) < 0)
- goto out;
-
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_mpath_handler, NULL);
- nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, wait_handler, &finished);
-
- err = nl_recvmsgs(state->nl_handle, cb);
-
- if (err < 0)
- goto out;
-
- ret = 0;
-
- out:
- nl_cb_put(cb);
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-int handle_mpath(struct nl80211_state *state,
- char *dev, int argc, char **argv)
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
{
- char *cmd = argv[0];
-
- if (argc < 1) {
- fprintf(stderr, "you must specify an mpath command\n");
- return -1;
- }
-
- argc--;
- argv++;
-
- if (strcmp(cmd, "new") == 0)
- return handle_mpath_set(state, 1, dev, argc, argv);
- if (strcmp(cmd, "del") == 0)
- return handle_mpath_del(state, dev, argc, argv);
- if (strcmp(cmd, "get") == 0)
- return handle_mpath_get(state, dev, argc, argv);
- if (strcmp(cmd, "set") == 0)
- return handle_mpath_set(state, 0, dev, argc, argv);
- if (strcmp(cmd, "dump") == 0)
- return handle_mpath_dump(state, dev, argc, argv);
-
- printf("invalid interface command %s\n", cmd);
- return -1;
+ printf("DEST ADDR NEXT HOP IFACE\tSN\tMETRIC\tQLEN\t"
+ "EXPTIME\t\tDTIM\tDRET\tFLAGS\n");
+ register_handler(print_mpath_handler, NULL);
+ return 0;
}
+COMMAND(mpath, dump, NULL,
+ NL80211_CMD_GET_MPATH, NLM_F_DUMP, CIB_NETDEV, handle_mpath_dump,
+ "List known mesh paths.");
projects / thirdparty / iw.git / blobdiff