From: Benjamin Berg <[email protected]> Add a new set of commands to send a CSA. Both the number of beacons and the flag to block TX can be given optionally.
Signed-off-by: Simon Wunderlich <[email protected]> Signed-off-by: Benjamin Berg <[email protected]> --- interface.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ iw.h | 1 + 2 files changed, 73 insertions(+) diff --git a/interface.c b/interface.c index 57dd3c3..1c9ebfb 100644 --- a/interface.c +++ b/interface.c @@ -644,3 +644,75 @@ nla_put_failure: COMMAND(set, mcast_rate, "<rate in Mbps>", NL80211_CMD_SET_MCAST_RATE, 0, CIB_NETDEV, set_mcast_rate, "Set the multicast bitrate."); + + +static int handle_chanfreq(struct nl80211_state *state, struct nl_msg *msg, + bool chan, int argc, char **argv, + enum id_input id) +{ + struct chandef chandef; + int res; + int parsed; + char *end; + + res = parse_freqchan(&chandef, chan, argc, argv, &parsed); + if (res) + return res; + + argc -= parsed; + argv += parsed; + + while (argc) { + unsigned int beacons = 10; + + if (strcmp(argv[0], "beacons") == 0) { + if (argc < 2) + return 1; + + beacons = strtol(argv[1], &end, 10); + if (*end) + return 1; + + argc -= 2; + argv += 2; + + NLA_PUT_U32(msg, NL80211_ATTR_CH_SWITCH_COUNT, beacons); + } else if (strcmp(argv[0], "block-tx") == 0) { + argc -= 1; + argv += 1; + + NLA_PUT_FLAG(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX); + } else { + return 1; + } + } + + return put_chandef(msg, &chandef); + + nla_put_failure: + return -ENOBUFS; +} + +static int handle_freq(struct nl80211_state *state, struct nl_msg *msg, + int argc, char **argv, + enum id_input id) +{ + return handle_chanfreq(state, msg, false, argc, argv, id); +} + +static int handle_chan(struct nl80211_state *state, struct nl_msg *msg, + int argc, char **argv, + enum id_input id) +{ + return handle_chanfreq(state, msg, true, argc, argv, id); +} + +SECTION(switch); +COMMAND(switch, freq, + "<freq> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz] [beacons <count>] [block-tx]\n" + "<control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]] [beacons <count>] [block-tx]", + NL80211_CMD_CHANNEL_SWITCH, 0, CIB_NETDEV, handle_freq, + "Switch the operating channel by sending a channel switch announcement (CSA)."); +COMMAND(switch, channel, "<channel> [NOHT|HT20|HT40+|HT40-|5MHz|10MHz|80MHz] [beacons <count>] [block-tx]", + NL80211_CMD_CHANNEL_SWITCH, 0, CIB_NETDEV, handle_chan, NULL); + diff --git a/iw.h b/iw.h index 7d56391..0857baf 100644 --- a/iw.h +++ b/iw.h @@ -202,6 +202,7 @@ int get_cf1(const struct chanmode *chanmode, unsigned long freq); "[randomise[=<addr>/<mask>]]" int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv); +DECLARE_SECTION(switch); DECLARE_SECTION(set); DECLARE_SECTION(get); -- 2.10.2
