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https://git.kernel.org/pub/scm/network/wireless/iwd.git
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monitor: Add support for decoding frame types
This commit is contained in:
parent
c50d624e55
commit
bbca35c57b
122
monitor/nlmon.c
122
monitor/nlmon.c
@ -165,6 +165,86 @@ static void print_ie(unsigned int level, const char *label,
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}
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}
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}
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static void print_frame_type(unsigned int level, const char *label,
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const void *data, uint16_t size)
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{
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uint16_t frame_type = *((uint16_t *) data);
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uint8_t type = frame_type & 0x000c;
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uint8_t subtype = (frame_type & 0x00f0) >> 4;
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const char *str;
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print_attr(level, "%s: 0x%04x", label, frame_type);
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switch (type) {
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case 0x00:
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str = "Management";
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break;
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default:
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str = "Reserved";
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break;
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}
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print_attr(level + 1, "Type: %s (%u)", str, type);
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switch (subtype) {
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case 0x00:
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str = "Association request";
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break;
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case 0x01:
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str = "Association response";
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break;
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case 0x02:
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str = "Reassociation request";
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break;
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case 0x03:
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str = "Reassociation response";
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break;
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case 0x04:
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str = "Probe request";
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break;
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case 0x05:
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str = "Probe response";
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break;
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case 0x06:
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str = "Timingd Advertisement";
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break;
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case 0x08:
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str = "Beacon";
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break;
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case 0x09:
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str = "ATIM";
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break;
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case 0x0a:
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str = "Disassociation";
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break;
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case 0x0b:
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str = "Authentication";
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break;
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case 0x0c:
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str = "Deauthentication";
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break;
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case 0x0d:
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str = "Action";
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break;
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case 0x0e:
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str = "Action No Ack";
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break;
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default:
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str = "Reserved";
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break;
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}
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print_attr(level + 1, "Subtype: %s (%u)", str, subtype);
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}
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static void print_frame(unsigned int level, const char *label,
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const void *data, uint16_t size)
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{
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print_attr(level, "%s: len %u", label, size);
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print_frame_type(level + 1, "Frame Type", data, 2);
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print_hexdump(level + 1, data, size);
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}
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typedef void (*attr_func_t) (unsigned int level, const char *label,
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typedef void (*attr_func_t) (unsigned int level, const char *label,
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const void *data, uint16_t size);
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const void *data, uint16_t size);
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enum attr_type {
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enum attr_type {
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@ -238,6 +318,37 @@ static const struct attr_entry bss_table[] = {
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{ }
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{ }
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};
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};
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static const struct attr_entry frame_types_field_table[] = {
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{ NL80211_ATTR_FRAME_TYPE,
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"Frame Type", ATTR_CUSTOM,
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{ .function = print_frame_type } },
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{ }
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};
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static const struct attr_entry frame_types_table[] = {
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{ NL80211_IFTYPE_ADHOC, "Ad-hoc", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_STATION, "Station", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_AP, "AP", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_AP_VLAN, "AP-VLAN", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_WDS, "WDS", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_MONITOR, "Monitor", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_MESH_POINT, "Mesh-point", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_P2P_CLIENT, "P2P-Client", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_P2P_GO, "P2P-GO", ATTR_NESTED,
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{ frame_types_field_table } },
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{ NL80211_IFTYPE_P2P_DEVICE, "P2P-Device", ATTR_NESTED,
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{ frame_types_field_table } },
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{ }
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};
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static const struct attr_entry attr_table[] = {
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static const struct attr_entry attr_table[] = {
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{ NL80211_ATTR_WIPHY,
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{ NL80211_ATTR_WIPHY,
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"Wiphy", ATTR_U32 },
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"Wiphy", ATTR_U32 },
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@ -345,7 +456,7 @@ static const struct attr_entry attr_table[] = {
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"Supported Commands", ATTR_ARRAY,
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"Supported Commands", ATTR_ARRAY,
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{ .array_type = ATTR_U32 } },
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{ .array_type = ATTR_U32 } },
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{ NL80211_ATTR_FRAME,
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{ NL80211_ATTR_FRAME,
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"Frame", ATTR_BINARY },
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"Frame", ATTR_CUSTOM, { .function = print_frame } },
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{ NL80211_ATTR_SSID,
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{ NL80211_ATTR_SSID,
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"SSID", ATTR_BINARY },
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"SSID", ATTR_BINARY },
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{ NL80211_ATTR_AUTH_TYPE,
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{ NL80211_ATTR_AUTH_TYPE,
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@ -441,11 +552,14 @@ static const struct attr_entry attr_table[] = {
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{ NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
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{ NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
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"Wiphy TX Power Level", ATTR_U32 },
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"Wiphy TX Power Level", ATTR_U32 },
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{ NL80211_ATTR_TX_FRAME_TYPES,
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{ NL80211_ATTR_TX_FRAME_TYPES,
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"TX Frame Types" },
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"TX Frame Types", ATTR_NESTED,
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{ frame_types_table } },
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{ NL80211_ATTR_RX_FRAME_TYPES,
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{ NL80211_ATTR_RX_FRAME_TYPES,
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"RX Frame Types" },
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"RX Frame Types", ATTR_NESTED,
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{ frame_types_table } },
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{ NL80211_ATTR_FRAME_TYPE,
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{ NL80211_ATTR_FRAME_TYPE,
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"Frame Type", ATTR_U16 },
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"Frame Type", ATTR_CUSTOM,
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{ .function = print_frame_type } },
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{ NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
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{ NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
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"Control Port Ethertype", ATTR_FLAG_OR_U16 },
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"Control Port Ethertype", ATTR_FLAG_OR_U16 },
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{ NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT,
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{ NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT,
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