1 #include <errno.h> 2 3 #include <netlink/genl/genl.h> 4 #include <netlink/genl/family.h> 5 #include <netlink/genl/ctrl.h> 6 #include <netlink/msg.h> 7 #include <netlink/attr.h> 8 9 #include "nl80211.h" 10 #include "iw.h" 11 12 static int iw_cqm_rssi(struct nl80211_state *state, struct nl_cb *cb, 13 struct nl_msg *msg, int argc, char **argv, 14 enum id_input id) 15 { 16 struct nl_msg *cqm = NULL; 17 int thold = 0; 18 int hyst = 0; 19 int ret = -ENOSPC; 20 21 /* get the required args */ 22 if (argc < 1 || argc > 2) 23 return 1; 24 25 if (strcmp(argv[0], "off")) { 26 thold = atoi(argv[0]); 27 28 if (thold == 0) 29 return -EINVAL; 30 31 if (argc == 2) 32 hyst = atoi(argv[1]); 33 } 34 35 /* connection quality monitor attributes */ 36 cqm = nlmsg_alloc(); 37 38 NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_THOLD, thold); 39 NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_HYST, hyst); 40 41 nla_put_nested(msg, NL80211_ATTR_CQM, cqm); 42 ret = 0; 43 44 nla_put_failure: 45 nlmsg_free(cqm); 46 return ret; 47 } 48 49 TOPLEVEL(cqm, "", 50 0, 0, CIB_NETDEV, NULL, 51 "Configure the WLAN connection quality monitor.\n"); 52 53 COMMAND(cqm, rssi, "<threshold|off> [<hysteresis>]", 54 NL80211_CMD_SET_CQM, 0, CIB_NETDEV, iw_cqm_rssi, 55 "Set connection quality monitor RSSI threshold.\n"); 56
