projects / thirdparty / iw.git / blame
| Commit | Line | Data |
|---|---|---|
| 9ceb6854 HS |
1 | #include <net/if.h> |
| 2 | #include <errno.h> | |
| 3 | #include <string.h> | |
| 4 | ||
| 5 | #include <netlink/genl/genl.h> | |
| 6 | #include <netlink/genl/family.h> | |
| 7 | #include <netlink/genl/ctrl.h> | |
| 8 | #include <netlink/msg.h> | |
| 9 | #include <netlink/attr.h> | |
| 10 | ||
| 11 | #include "nl80211.h" | |
| 12 | #include "iw.h" | |
| 13 | ||
| 14 | SECTION(survey); | |
| 15 | ||
| 16 | static int print_survey_handler(struct nl_msg *msg, void *arg) | |
| 17 | { | |
| 18 | struct nlattr *tb[NL80211_ATTR_MAX + 1]; | |
| 19 | struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); | |
| 20 | struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; | |
| 21 | char dev[20]; | |
| 22 | ||
| 23 | static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { | |
| 24 | [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, | |
| 25 | [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, | |
| 26 | }; | |
| 27 | ||
| 28 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), | |
| 29 | genlmsg_attrlen(gnlh, 0), NULL); | |
| 30 | ||
| 31 | if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev); | |
| 32 | printf("Survey data from %s\n", dev); | |
| 33 | ||
| 34 | if (!tb[NL80211_ATTR_SURVEY_INFO]) { | |
| 35 | fprintf(stderr, "survey data missing!\n"); | |
| 36 | return NL_SKIP; | |
| 37 | } | |
| 38 | ||
| 39 | if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, | |
| 40 | tb[NL80211_ATTR_SURVEY_INFO], | |
| 41 | survey_policy)) { | |
| 42 | fprintf(stderr, "failed to parse nested attributes!\n"); | |
| 43 | return NL_SKIP; | |
| 44 | } | |
| 45 | ||
| 46 | if (sinfo[NL80211_SURVEY_INFO_FREQUENCY]) | |
| 8b5faae4 | 47 | printf("\tfrequency:\t\t\t%u MHz%s\n", |
| 5a7a66be FF |
48 | nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]), |
| 49 | sinfo[NL80211_SURVEY_INFO_IN_USE] ? " [in use]" : ""); | |
| 9ceb6854 | 50 | if (sinfo[NL80211_SURVEY_INFO_NOISE]) |
| 8b5faae4 | 51 | printf("\tnoise:\t\t\t\t%d dBm\n", |
| 9ceb6854 | 52 | (int8_t)nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE])); |
| 8b5faae4 FF |
53 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) |
| 54 | printf("\tchannel active time:\t\t%llu ms\n", | |
| 55 | (unsigned long long)nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME])); | |
| 56 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) | |
| 57 | printf("\tchannel busy time:\t\t%llu ms\n", | |
| 58 | (unsigned long long)nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY])); | |
| 59 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY]) | |
| 60 | printf("\textension channel busy time:\t%llu ms\n", | |
| 61 | (unsigned long long)nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY])); | |
| 62 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) | |
| 63 | printf("\tchannel receive time:\t\t%llu ms\n", | |
| 64 | (unsigned long long)nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX])); | |
| 65 | if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) | |
| 66 | printf("\tchannel transmit time:\t\t%llu ms\n", | |
| 67 | (unsigned long long)nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX])); | |
| 9ceb6854 HS |
68 | return NL_SKIP; |
| 69 | } | |
| 70 | ||
| 71 | static int handle_survey_dump(struct nl80211_state *state, | |
| 05514f95 JB |
72 | struct nl_cb *cb, |
| 73 | struct nl_msg *msg, | |
| 74 | int argc, char **argv, | |
| 75 | enum id_input id) | |
| 9ceb6854 HS |
76 | { |
| 77 | nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_survey_handler, NULL); | |
| 78 | return 0; | |
| 79 | } | |
| 80 | COMMAND(survey, dump, NULL, | |
| 81 | NL80211_CMD_GET_SURVEY, NLM_F_DUMP, CIB_NETDEV, handle_survey_dump, | |
| 82 | "List all gathered channel survey data"); | |
| 83 |