-#include <linux/nl80211.h>
#include <net/if.h>
#include <errno.h>
#include <string.h>
#include <netlink/msg.h>
#include <netlink/attr.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 },
[NL80211_MPATH_INFO_DISCOVERY_RETRIES] = { .type = NLA_U8 },
[NL80211_MPATH_INFO_FLAGS] = { .type = NLA_U8 },
+ [NL80211_MPATH_INFO_HOP_COUNT] = { .type = NLA_U8 },
+ [NL80211_MPATH_INFO_PATH_CHANGE] = { .type = NLA_U32 },
};
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
*/
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]));
if (pinfo[NL80211_MPATH_INFO_FLAGS])
printf("\t0x%x",
nla_get_u8(pinfo[NL80211_MPATH_INFO_FLAGS]));
+ if (pinfo[NL80211_MPATH_INFO_HOP_COUNT])
+ printf("\t%u",
+ nla_get_u8(pinfo[NL80211_MPATH_INFO_HOP_COUNT]));
+ if (pinfo[NL80211_MPATH_INFO_PATH_CHANGE])
+ printf("\t%u",
+ nla_get_u32(pinfo[NL80211_MPATH_INFO_PATH_CHANGE]));
printf("\n");
return NL_SKIP;
}
+static int handle_mpath_probe(struct nl80211_state *state,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ unsigned char dst[ETH_ALEN];
+ unsigned char *frame;
+ size_t frame_len;
+
+ if (argc < 3)
+ return 1;
+
+ if (mac_addr_a2n(dst, argv[0])) {
+ fprintf(stderr, "invalid mac address\n");
+ return 2;
+ }
+
+ if (strcmp("frame", argv[1]) != 0)
+ return 1;
+
+ frame = parse_hex(argv[2], &frame_len);
+ if (!frame) {
+ fprintf(stderr, "invalid frame pattern: %p\n", frame);
+ return 2;
+ }
+
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
+ NLA_PUT(msg, NL80211_ATTR_FRAME, frame_len, frame);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(mpath, probe, "<destination MAC address> frame <frame>",
+ NL80211_CMD_PROBE_MESH_LINK, 0, CIB_NETDEV, handle_mpath_probe,
+ "Inject ethernet frame to given peer overriding the next hop\n"
+ "lookup from mpath table.\n."
+ "Example: iw dev wlan0 mpath probe xx:xx:xx:xx:xx:xx frame 01:xx:xx:00\n");
+
static int handle_mpath_get(struct nl80211_state *state,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
- struct nl_cb *cb = NULL;
- int err = -ENOMEM;
- int finished = 0;
unsigned char dst[ETH_ALEN];
if (argc < 1)
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);
-
- nl_recvmsgs(state->nl_handle, cb);
- err = 0;
-
- if (!finished)
- err = nl_wait_for_ack(state->nl_handle);
+ register_handler(print_mpath_handler, NULL);
- out:
- nl_cb_put(cb);
+ return 0;
nla_put_failure:
- return err;
+ return -ENOBUFS;
}
COMMAND(mpath, get, "<MAC address>",
- NL80211_CMD_GET_MPATH, 0, CIB_NETDEV, handle_mpath_get);
+ 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);
+ 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)
+ int argc, char **argv,
+ enum id_input id)
{
- struct nl_cb *cb = NULL;
- int err = -ENOMEM;
- int finished = 0;
unsigned char dst[ETH_ALEN];
unsigned char next_hop[ETH_ALEN];
if (argc)
return 1;
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if ((err = 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);
-
- nl_recvmsgs(state->nl_handle, cb);
- err = 0;
-
- if (!finished)
- err = nl_wait_for_ack(state->nl_handle);
-
- out:
- nl_cb_put(cb);
+ register_handler(print_mpath_handler, NULL);
+ return 0;
nla_put_failure:
- return err;
+ return -ENOBUFS;
}
COMMAND(mpath, new, "<destination MAC address> next_hop <next hop MAC address>",
- NL80211_CMD_NEW_MPATH, 0, CIB_NETDEV, handle_mpath_set);
+ 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);
+ 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,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
- struct nl_cb *cb = NULL;
- int err = -ENOMEM;
- int finished = 0;
-
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if ((err = 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);
-
- nl_recvmsgs(state->nl_handle, cb);
- err = 0;
-
- if (!finished)
- err = nl_wait_for_ack(state->nl_handle);
-
- out:
- nl_cb_put(cb);
- return err;
+ printf("DEST ADDR NEXT HOP IFACE\tSN\tMETRIC\tQLEN\t"
+ "EXPTIME\tDTIM\tDRET\tFLAGS\tHOP_COUNT\tPATH_CHANGE\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);
+ NL80211_CMD_GET_MPATH, NLM_F_DUMP, CIB_NETDEV, handle_mpath_dump,
+ "List known mesh paths.");
projects / thirdparty / iw.git / blobdiff