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ieee80211: Fix the handling of Ranging NDP Announcements.

This commit is contained in:
Richard Sharpe 2021-07-22 09:44:28 -07:00 committed by Wireshark GitLab Utility
parent b5a442a979
commit e2bcdd331a
1 changed files with 18 additions and 14 deletions
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32
epan/dissectors/packet-ieee80211.c
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@ -5529,7 +5529,7 @@ static int hf_ieee80211_beamform_feedback_seg_retrans_bitmap = -1;
static int hf_ieee80211_vht_ndp_annc_token = -1;
static int hf_ieee80211_vht_ndp_annc_token_number = -1;
static int hf_ieee80211_vht_ndp_annc_he_subfield = -1;
static int hf_ieee80211_vht_ndp_annc_token_reserved = -1;
static int hf_ieee80211_vht_ndp_annc_token_ranging = -1;
static int hf_ieee80211_vht_ndp_annc_sta_info_aid12 = -1;
static int hf_ieee80211_vht_ndp_annc_sta_info_feedback_type = -1;
static int hf_ieee80211_vht_ndp_annc_sta_info_nc_index = -1;
@ -31441,7 +31441,7 @@ static const true_false_string he_ndp_annc_he_subfield_vals = {
};
static int * const vht_ndp_headers[] = {
&hf_ieee80211_vht_ndp_annc_token_reserved,
&hf_ieee80211_vht_ndp_annc_token_ranging,
&hf_ieee80211_vht_ndp_annc_he_subfield,
&hf_ieee80211_vht_ndp_annc_token_number,
NULL
@ -31493,15 +31493,23 @@ dissect_ieee80211_vht_ndp_annc(tvbuff_t *tvb, packet_info *pinfo _U_,
guint16 sta_info;
guint8 len_fcs = 0;
guint8 sounding_dialog_token;
proto_tree *sta_list;
proto_tree *sta_list, *dialog;
proto_item *sta_info_item, *pi;
int saved_offset = 0;
int sta_index = 0;
sounding_dialog_token = tvb_get_guint8(tvb, offset);
proto_tree_add_bitmask_with_flags(tree, tvb, offset,
dialog = proto_tree_add_bitmask_with_flags(tree, tvb, offset,
hf_ieee80211_vht_ndp_annc_token, ett_vht_ndp_annc,
vht_ndp_headers, ENC_NA, BMT_NO_APPEND);
if ((sounding_dialog_token & 0x03) == 0x00) {
proto_item_append_text(dialog, " VHT NDP Announcement");
} else if ((sounding_dialog_token & 0x03) == 0x02) {
proto_item_append_text(dialog, " HE NDP Annoucement");
} else if ((sounding_dialog_token & 0x03) == 0x01) {
proto_item_append_text(dialog, " Ranging NDP Annoucement");
}
offset++;
if (has_fcs){
@ -31516,27 +31524,23 @@ dissect_ieee80211_vht_ndp_annc(tvbuff_t *tvb, packet_info *pinfo _U_,
sta_info_item = proto_tree_add_subtree_format(sta_list, tvb, offset, 2,
ett_vht_ndp_annc_sta_info_tree, NULL, "STA %d",
sta_index++);
proto_tree_add_item(sta_info_item, hf_ieee80211_vht_ndp_annc_sta_info_aid12,
tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sta_info_item, hf_ieee80211_vht_ndp_annc_sta_info_feedback_type,
tvb, offset, 2, ENC_LITTLE_ENDIAN);
if (sounding_dialog_token & 0x01) {
if ((sounding_dialog_token & 0x03) == 0x01) {
guint16 aid11 = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN) & 0x7ff;
if (aid11 < 2008) {
proto_tree_add_bitmask_with_flags(sta_info_item, tvb, offset,
hf_ieee80211_vht_ndp_annc_sta_info_ranging_2008, ett_vht_ranging_annc,
sta_info_ranging_2008, ENC_LITTLE_ENDIAN, BMT_NO_APPEND);
} else if (aid11 == 2043) {
proto_tree_add_bitmask_with_flags(tree, tvb, offset,
proto_tree_add_bitmask_with_flags(sta_info_item, tvb, offset,
hf_ieee80211_vht_ndp_annc_sta_info_ranging_2043, ett_vht_ranging_annc,
sta_info_ranging_2043, ENC_LITTLE_ENDIAN, BMT_NO_APPEND);
} else if (aid11 == 2044) {
proto_tree_add_bitmask_with_flags(tree, tvb, offset,
proto_tree_add_bitmask_with_flags(sta_info_item, tvb, offset,
hf_ieee80211_vht_ndp_annc_sta_info_ranging_2044, ett_vht_ranging_annc,
sta_info_ranging_2044, ENC_LITTLE_ENDIAN, BMT_NO_APPEND);
} else if (aid11 == 2045) {
proto_tree_add_bitmask_with_flags(tree, tvb, offset,
proto_tree_add_bitmask_with_flags(sta_info_item, tvb, offset,
hf_ieee80211_vht_ndp_annc_sta_info_ranging_2045, ett_vht_ranging_annc,
sta_info_ranging_2045, ENC_LITTLE_ENDIAN, BMT_NO_APPEND);
}
@ -36045,8 +36049,8 @@ proto_register_ieee80211(void)
{"HE", "wlan.vht_ndp.token.he",
FT_BOOLEAN, 8, TFS(&he_ndp_annc_he_subfield_vals), 0x02, NULL, HFILL }},
{&hf_ieee80211_vht_ndp_annc_token_reserved,
{"Reserved", "wlan.vht_ndp.token.reserved",
{&hf_ieee80211_vht_ndp_annc_token_ranging,
{"Ranging", "wlan.vht_ndp.token.ranging",
FT_UINT8, BASE_HEX, NULL, 0x01,
NULL, HFILL }},