1 #include <errno.h> 2 #include <string.h> 3 4 #include <netlink/genl/genl.h> 5 #include <netlink/msg.h> 6 #include <netlink/attr.h> 7 8 #include "nl80211.h" 9 #include "iw.h" 10 11 static int set_power_save(struct nl80211_state *state, 12 struct nl_cb *cb, 13 struct nl_msg *msg, 14 int argc, char **argv, 15 enum id_input id) 16 { 17 enum nl80211_ps_state ps_state; 18 19 if (argc != 1) { 20 printf("Invalid parameters!\n"); 21 return 2; 22 } 23 24 if (strcmp(argv[0], "on") == 0) 25 ps_state = NL80211_PS_ENABLED; 26 else if (strcmp(argv[0], "off") == 0) 27 ps_state = NL80211_PS_DISABLED; 28 else { 29 printf("Invalid parameter: %s\n", argv[0]); 30 return 2; 31 } 32 33 NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, ps_state); 34 35 return 0; 36 37 nla_put_failure: 38 return -ENOBUFS; 39 } 40 41 COMMAND(set, power_save, "<on|off>", 42 NL80211_CMD_SET_POWER_SAVE, 0, CIB_NETDEV, set_power_save, 43 "Set power save state to on or off."); 44 45 static int print_power_save_handler(struct nl_msg *msg, void *arg) 46 { 47 struct nlattr *attrs[NL80211_ATTR_MAX + 1]; 48 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); 49 const char *s; 50 51 nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), 52 genlmsg_attrlen(gnlh, 0), NULL); 53 54 if (!attrs[NL80211_ATTR_PS_STATE]) 55 return NL_SKIP; 56 57 switch (nla_get_u32(attrs[NL80211_ATTR_PS_STATE])) { 58 case NL80211_PS_ENABLED: 59 s = "on"; 60 break; 61 case NL80211_PS_DISABLED: 62 default: 63 s = "off"; 64 break; 65 } 66 67 printf("Power save: %s\n", s); 68 69 return NL_SKIP; 70 } 71 72 static int get_power_save(struct nl80211_state *state, 73 struct nl_cb *cb, 74 struct nl_msg *msg, 75 int argc, char **argv, 76 enum id_input id) 77 { 78 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, 79 print_power_save_handler, NULL); 80 return 0; 81 } 82 83 COMMAND(get, power_save, "<param>", 84 NL80211_CMD_GET_POWER_SAVE, 0, CIB_NETDEV, get_power_save, 85 "Retrieve power save state."); 86
