Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 8912] IxVeriWave 11ac patch

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Jakub Zawadzki changed bug 8912

What	Removed	Added
CC		darkjames-ws@darkjames.pl

Comment # 9 on bug 8912 from Jakub Zawadzki

Hi,

(In reply to comment #8)
> Created attachment 11183 [details]
> Third submitted 11ac patch

checking some random part:

+static int parse_s2_W_stats(wtap *wth, guint8 *rec, int rec_size,
ext_rtap_fields * er_fields, stats_common_fields * common_fields, int IS_TX)

+    l1p_1 = s_start_ptr[0];            // assume 0x3f
+    l1p_2 = s_start_ptr[1];            // assume 0
+    if (vwr->FPGA_VERSION == S2_W_FPGA)
+    {
+        mcs_index = l1p_1 & 0x3f;
+        plcp_type = l1p_2 & 0x03;
...
+    }

+    er_fields->phyRate = (guint16)(getRate(plcp_type, mcs_index,
er_fields->flags, nss) * 10);


+static float getRate( guint8 plcpType, guint8 mcsIndex, guint16 rflags, guint8
nss )

+    float canonical_rate_legacy[] = {1.0, 2.0, 5.5, 11.0, 6.0, 9.0, 12.0,
18.0, 24.0, 36.0, 48.0, 54.0};

+    if (plcpType == 0)
+        bitrate = canonical_rate_legacy[mcsIndex];

so mcsIndex can be maximum 0x3f, but canonical_rate_legacy has only 12
elements.

It might be wrong, but please check.

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