Add cac command to allow clearing channels

[thirdparty/iw.git] / interface.c

diff --git a/interface.c b/interface.c
index 209561d55dc173051e81db04e87a7b802b5a0a1b..57dd3c325308dbb30a31cc9ce90a760efd0fd18e 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -16,7 +16,9 @@
                        "control:  show control frames\n"\
                        "otherbss: show frames from other BSSes\n"\
                        "cook:     use cooked mode\n"\
-                       "active:   use active mode (ACK incoming unicast packets)"
+                       "active:   use active mode (ACK incoming unicast packets)\n"\
+                       "mumimo-groupid <GROUP_ID>: use MUMIMO according to a group id\n"\
+                       "mumimo-follow-mac <MAC_ADDRESS>: use MUMIMO according to a MAC address"
 
 SECTION(interface);
 
@@ -30,6 +32,55 @@ static char *mntr_flags[NL80211_MNTR_FLAG_MAX + 1] = {
        "active",
 };
 
+static int parse_mumimo_options(int *_argc, char ***_argv, struct nl_msg *msg)
+{
+       uint8_t mumimo_group[VHT_MUMIMO_GROUP_LEN];
+       unsigned char mac_addr[ETH_ALEN];
+       char **argv = *_argv;
+       int argc = *_argc;
+       int i;
+       unsigned int val;
+
+       if (strcmp(*argv, "mumimo-groupid") == 0) {
+               argc--;
+               argv++;
+               if (!argc || strlen(*argv) != VHT_MUMIMO_GROUP_LEN*2) {
+                       fprintf(stderr, "Invalid groupID: %s\n", *argv);
+                       return 1;
+               }
+
+               for (i = 0; i < VHT_MUMIMO_GROUP_LEN; i++) {
+                       if (sscanf((*argv) + i*2, "%2x", &val) != 1) {
+                               fprintf(stderr, "Failed reading groupID\n");
+                               return 1;
+                       }
+                       mumimo_group[i] = val;
+               }
+
+               NLA_PUT(msg,
+                       NL80211_ATTR_MU_MIMO_GROUP_DATA,
+                       VHT_MUMIMO_GROUP_LEN,
+                       mumimo_group);
+               argc--;
+               argv++;
+       } else if (strcmp(*argv, "mumimo-follow-mac") == 0) {
+               argc--;
+               argv++;
+               if (!argc || mac_addr_a2n(mac_addr, *argv)) {
+                       fprintf(stderr, "Invalid MAC address\n");
+                       return 1;
+               }
+               NLA_PUT(msg, NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR,
+                       ETH_ALEN, mac_addr);
+               argc--;
+               argv++;
+       }
+ nla_put_failure:
+       *_argc = argc;
+       *_argv = argv;
+       return 0;
+}
+
 static int parse_mntr_flags(int *_argc, char ***_argv,
                            struct nl_msg *msg)
 {
@@ -45,6 +96,15 @@ static int parse_mntr_flags(int *_argc, char ***_argv,
 
        while (argc) {
                int ok = 0;
+
+               /* parse MU-MIMO options */
+               err = parse_mumimo_options(&argc, &argv, msg);
+               if (err)
+                       goto out;
+               else if (!argc)
+                       break;
+
+               /* parse monitor flags */
                for (flag = __NL80211_MNTR_FLAG_INVALID;
                     flag <= NL80211_MNTR_FLAG_MAX; flag++) {
                        if (strcmp(*argv, mntr_flags[flag]) == 0) {
@@ -143,6 +203,9 @@ static int get_if_type(int *argc, char ***argv, enum nl80211_iftype *type,
        } else if (strcmp(tpstr, "__p2pgo") == 0) {
                *type = NL80211_IFTYPE_P2P_GO;
                return 0;
+       } else if (strcmp(tpstr, "__nan") == 0) {
+               *type = NL80211_IFTYPE_NAN;
+               return 0;
        }
 
        fprintf(stderr, "invalid interface type %s\n", tpstr);
@@ -295,6 +358,10 @@ char *channel_width_name(enum nl80211_chan_width width)
                return "80+80 MHz";
        case NL80211_CHAN_WIDTH_160:
                return "160 MHz";
+       case NL80211_CHAN_WIDTH_5:
+               return "5 MHz";
+       case NL80211_CHAN_WIDTH_10:
+               return "10 MHz";
        default:
                return "unknown";
        }
@@ -401,6 +468,8 @@ static int handle_interface_set(struct nl80211_state *state,
        switch (parse_mntr_flags(&argc, &argv, msg)) {
        case 0:
                return 0;
+       case 1:
+               return 1;
        case -ENOMEM:
                fprintf(stderr, "failed to allocate flags\n");
                return 2;