add monitor flags support

diff --git a/interface.c b/interface.c
index 1bc0dc410a544fe67f1f3fb16ef52a2ba930d716..58734c9b274c94de7125bd4df14da92ddfb4d5cf 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -11,6 +11,15 @@
 
 #include "iw.h"
 
+static char *mntr_flags[NL80211_MNTR_FLAG_MAX + 1] = {
+       NULL,
+       "fcsfail",
+       "plcpfail",
+       "control",
+       "otherbss",
+       "cook",
+};
+
 /* return 0 if not found, 1 if ok, -1 on error */
 static int get_if_type(int *argc, char ***argv, enum nl80211_iftype *type)
 {
@@ -141,3 +150,54 @@ static int handle_interface_info(struct nl_cb *cb,
        return 0;
 }
 TOPLEVEL(info, NULL, NL80211_CMD_GET_INTERFACE, 0, CIB_NETDEV, handle_interface_info);
+
+static int handle_interface_set(struct nl_cb *cb,
+                               struct nl_msg *msg,
+                               int argc, char **argv)
+{
+       enum nl80211_mntr_flags flag;
+       struct nl_msg *flags;
+       int err;
+
+       if (!argc)
+               return 1;
+
+       flags = nlmsg_alloc();
+       if (!flags) {
+               fprintf(stderr, "failed to allocate flags\n");
+               return 2;
+       }
+
+       NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_MONITOR);
+
+       while (argc) {
+               int ok = 0;
+               for (flag = __NL80211_MNTR_FLAG_INVALID + 1;
+                    flag < NL80211_MNTR_FLAG_MAX; flag++) {
+                       if (strcmp(*argv, mntr_flags[flag]) == 0) {
+                               ok = 1;
+                               NLA_PUT_FLAG(flags, flag);
+                               break;
+                       }
+               }
+               if (!ok) {
+                       fprintf(stderr, "unknown flag %s\n", *argv);
+                       err = 2;
+                       goto out;
+               }
+               argc--;
+               argv++;
+       }
+
+       nla_put_nested(msg, NL80211_ATTR_MNTR_FLAGS, flags);
+
+       err = 0;
+       goto out;
+ nla_put_failure:
+       err = -ENOBUFS;
+ out:
+       nlmsg_free(flags);
+       return err;
+}
+COMMAND(set, monitor, "<flag> [...]",
+       NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_set);