Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 252 insertions, 0 deletions

diff --git a/tools/make-pci-ids.py b/tools/make-pci-ids.py
new file mode 100755
index 0000000..0a77f76
--- /dev/null
+++ b/tools/make-pci-ids.py
@@ -0,0 +1,252 @@
+#!/usr/bin/env python3
+#
+# make-pci-ids - Creates a file containing PCI IDs.
+# It use the databases from
+# https://github.com/pciutils/pciids/raw/master/pci.ids
+# to create our file epan/dissectors/pci-ids.c
+#
+# Wireshark - Network traffic analyzer
+#
+# By Caleb Chiu <caleb.chiu@macnica.com>
+# Copyright 2021
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+import string
+import sys
+import urllib.request, urllib.error, urllib.parse
+
+OUTPUT_FILE = "epan/pci-ids.c"
+
+MIN_VENDOR_COUNT = 2250 # 2261 on 2021-11-01
+MIN_DEVICE_COUNT = 33000 # 33724 on 2021-11-01
+
+CODE_PREFIX = """\
+ *
+ * Generated by tools/make-pci-ids.py
+ * By Caleb Chiu <caleb.chiu@macnica.com>
+ * Copyright 2021
+ *
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <config.h>
+
+#include <stddef.h>
+
+#include "pci-ids.h"
+
+typedef struct
+{
+  uint16_t vid;
+  uint16_t did;
+  uint16_t svid;
+  uint16_t ssid;
+  char *name;
+
+} pci_id_t;
+
+typedef struct
+{
+  uint16_t vid;
+  uint16_t count;
+  pci_id_t *ids_ptr;
+
+} pci_vid_index_t;
+
+"""
+
+CODE_POSTFIX = """
+static pci_vid_index_t *get_vid_index(uint16_t vid)
+{
+    uint32_t start_index = 0;
+    uint32_t end_index = 0;
+    uint32_t idx = 0;
+
+    end_index = sizeof(pci_vid_index)/sizeof(pci_vid_index[0]);
+
+    while(start_index != end_index)
+    {
+        if(end_index - start_index == 1)
+        {
+            if(pci_vid_index[start_index].vid == vid)
+                return &pci_vid_index[start_index];
+
+            break;
+        }
+
+        idx = (start_index + end_index)/2;
+
+        if(pci_vid_index[idx].vid < vid)
+            start_index = idx;
+        else
+        if(pci_vid_index[idx].vid > vid)
+            end_index = idx;
+        else
+            return &pci_vid_index[idx];
+
+    }
+
+    return NULL;
+
+}
+
+const char *pci_id_str(uint16_t vid, uint16_t did, uint16_t svid, uint16_t ssid)
+{
+    unsigned int i;
+    static char *not_found = \"Not found\";
+    pci_vid_index_t *index_ptr;
+    pci_id_t *ids_ptr;
+
+    index_ptr = get_vid_index(vid);
+
+    if(index_ptr == NULL)
+        return not_found;
+
+    ids_ptr = index_ptr->ids_ptr;
+    for(i = 0; i < index_ptr->count; ids_ptr++, i++)
+        if(vid == ids_ptr->vid &&
+           did == ids_ptr->did &&
+           svid == ids_ptr->svid &&
+           ssid == ids_ptr->ssid)
+           return ids_ptr->name;
+    return  not_found;
+
+}
+"""
+
+
+id_list=[]
+count_list=[]
+
+
+def exit_msg(msg=None, status=1):
+    if msg is not None:
+        sys.stderr.write(msg + '\n')
+    sys.exit(status)
+
+
+def main():
+    req_headers = { 'User-Agent': 'Wireshark make-pci-ids' }
+    req = urllib.request.Request('https://github.com/pciutils/pciids/raw/master/pci.ids', headers=req_headers)
+    response = urllib.request.urlopen(req)
+    lines = response.read().decode('UTF-8', 'replace').splitlines()
+
+    out_lines = '''\
+/* pci-ids.c
+ *
+ * pci-ids.c is based on the pci.ids of The PCI ID Repository at
+ * https://pci-ids.ucw.cz/, fetched indirectly via
+ * https://github.com/pciutils/pciids
+'''
+    vid = -1
+    did = -1
+    svid = -1
+    entries = 0
+    line_num = 0
+
+    for line in lines:
+        line = line.strip('\n')
+        line_num += 1
+
+        if line_num <= 15:
+            line = line.replace('#', ' ', 1)
+            line = line.lstrip()
+            line = line.replace("GNU General Public License", "GPL")
+            if line:
+                line = ' * ' + line
+            else:
+                line = ' *' + line
+            out_lines += line + '\n'
+        if line_num == 15:
+            out_lines += CODE_PREFIX
+
+        line = line.replace("\\","\\\\")
+        line = line.replace("\"","\\\"")
+        line = line.replace("?","?-")
+        tabs = len(line) - len(line.lstrip('\t'))
+        if tabs == 0:
+            #print line
+            words = line.split(" ", 1)
+            if len(words) < 2:
+                continue
+            if len(words[0]) != 4:
+                continue
+            if all(c in string.hexdigits for c in words[0]):
+                hex_int = int(words[0], 16)
+                if vid != -1:
+                    out_lines += "}; /* pci_vid_%04X[] */\n\n" % (vid)
+                    count_list.append(entries)
+                vid = hex_int
+                entries = 1
+                did = -1
+                svid = -1
+                ssid = -1
+                out_lines += "pci_id_t pci_vid_%04X[] = {\n" % (vid)
+                out_lines += "{0x%04X, 0xFFFF, 0xFFFF, 0xFFFF, \"%s(0x%04X)\"},\n" % (vid, words[1].strip(), vid)
+                id_list.append(vid)
+                continue
+
+        if tabs == 1:
+            line = line.strip('\t')
+            words = line.split(" ", 1)
+            if len(words) < 2:
+                continue
+            if len(words[0]) != 4:
+                continue
+            if all(c in string.hexdigits for c in words[0]):
+                hex_int = int(words[0], 16)
+                did = hex_int
+                svid = -1
+                ssid = -1
+                out_lines += "{0x%04X, 0x%04X, 0xFFFF, 0xFFFF, \"%s(0x%04X)\"},\n" % (vid, did, words[1].strip(), did)
+                entries += 1
+                continue
+
+        if tabs == 2:
+            line = line.strip('\t')
+            words = line.split(" ", 2)
+            if len(words[0]) != 4:
+                continue
+            if all(c in string.hexdigits for c in words[0]):
+                hex_int = int(words[0], 16)
+                svid = hex_int
+
+            if all(c in string.hexdigits for c in words[1]):
+                hex_int = int(words[1], 16)
+                ssid = hex_int
+
+            out_lines += "{0x%04X, 0x%04X, 0x%04X, 0x%04X, \"%s(0x%04X-0x%04X)\"},\n" % (vid, did, svid, ssid, words[2].strip(), svid, ssid)
+            entries += 1
+            svid = -1
+            ssid = -1
+            continue
+
+    out_lines += "}; /* pci_vid_%04X[] */\n" % (vid)
+    count_list.append(entries)
+
+    out_lines += "\npci_vid_index_t pci_vid_index[] = {\n"
+
+    vendor_count = len(id_list)
+    device_count = 0
+    for i in range(vendor_count):
+        out_lines += "{0x%04X, %d, pci_vid_%04X },\n" % (id_list[i], count_list[i], id_list[i])
+        device_count += count_list[i]
+
+    out_lines += "}; /* We have %d VIDs */\n" % (vendor_count)
+
+    out_lines += CODE_POSTFIX
+
+    if vendor_count < MIN_VENDOR_COUNT:
+        exit_msg(f'Too view vendors. Wanted {MIN_VENDOR_COUNT}, got {vendor_count}.')
+
+    if device_count < MIN_DEVICE_COUNT:
+        exit_msg(f'Too view devices. Wanted {MIN_DEVICE_COUNT}, got {device_count}.')
+
+    with open(OUTPUT_FILE, "w", encoding="utf-8") as pci_ids_f:
+        pci_ids_f.write(out_lines)
+
+if __name__ == '__main__':
+    main()