Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 217 insertions, 0 deletions

diff --git a/epan/dissectors/packet-tte-pcf.c b/epan/dissectors/packet-tte-pcf.c
new file mode 100644
index 00000000..823927ed
--- /dev/null
+++ b/epan/dissectors/packet-tte-pcf.c
@@ -0,0 +1,217 @@
+/* packet-tte-pcf.c
+ * Routines for Time Triggered Ethernet Protocol Control Frame dissection
+ *
+ * Author: Valentin Ecker
+ * Author: Benjamin Roch, benjamin.roch (AT) tttech.com
+ *
+ * TTTech Computertechnik AG, Austria.
+ * https://www.tttech.com/technologies/time-triggered-ethernet/
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/etypes.h>
+
+#include "packet-tte.h"
+
+void proto_register_tte_pcf(void);
+void proto_reg_handoff_tte_pcf(void);
+
+/* Initialize the protocol and registered fields */
+static int proto_tte_pcf = -1;
+
+static int hf_tte_pcf_ic = -1;
+static int hf_tte_pcf_mn = -1;
+/* static int hf_tte_pcf_res0 = -1; */
+static int hf_tte_pcf_sp = -1;
+static int hf_tte_pcf_sd = -1;
+static int hf_tte_pcf_type = -1;
+/* static int hf_tte_pcf_res1 = -1; */
+static int hf_tte_pcf_tc = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_tte_pcf = -1;
+
+static dissector_handle_t tte_pcf_handle;
+
+static const value_string pcf_type_str_vals[] =
+    { {2, "integration frame"}
+    , {4, "coldstart frame"}
+    , {8, "coldstart ack frame"}
+    , {0, NULL}
+    };
+
+
+/* Code to actually dissect the packets */
+static int
+dissect_tte_pcf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+    /* Set up structures needed to add the protocol subtree and manage it */
+    proto_item *tte_pcf_root_item;
+    proto_tree *tte_pcf_tree;
+
+    /* variables used to store the fields displayed in the info_column */
+    guint8 sync_priority = 0;
+    guint8 sync_domain   = 0;
+
+    /* Check that there's enough data */
+    if (tvb_reported_length(tvb) < TTE_PCF_LENGTH )
+    {
+        return 0;
+    }
+
+    /* get sync_priority and sync_domain */
+    sync_priority = tvb_get_guint8(tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH+
+        TTE_PCF_RES0_LENGTH);
+    sync_domain = tvb_get_guint8(tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH+
+        TTE_PCF_RES0_LENGTH+TTE_PCF_SP_LENGTH);
+
+    /* Make entries in Protocol column and Info column on summary display */
+    col_set_str(pinfo->cinfo, COL_PROTOCOL, "PCF");
+
+    col_add_fstr(pinfo->cinfo, COL_INFO,
+            "Sync Domain: 0x%02X  Sync Priority: 0x%02X",
+            sync_domain, sync_priority);
+
+    if (tree) {
+
+        /* create display subtree for the protocol */
+        tte_pcf_root_item = proto_tree_add_item(tree, proto_tte_pcf, tvb, 0,
+            TTE_PCF_LENGTH, ENC_NA);
+
+        tte_pcf_tree = proto_item_add_subtree(tte_pcf_root_item, ett_tte_pcf);
+
+        proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_ic, tvb, 0, TTE_PCF_IC_LENGTH, ENC_BIG_ENDIAN);
+
+        proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_mn, tvb, TTE_PCF_IC_LENGTH, TTE_PCF_MN_LENGTH, ENC_BIG_ENDIAN);
+
+     /* RESERVED FIELD --- will not be displayed */
+     /* proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_res0, tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH,
+            TTE_PCF_RES0_LENGTH, ENC_BIG_ENDIAN); */
+
+        proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_sp, tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH+
+            TTE_PCF_RES0_LENGTH, TTE_PCF_SP_LENGTH, ENC_BIG_ENDIAN);
+
+        proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_sd, tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH+
+            TTE_PCF_RES0_LENGTH+TTE_PCF_SP_LENGTH, TTE_PCF_SD_LENGTH, ENC_BIG_ENDIAN);
+
+        proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_type, tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH+
+            TTE_PCF_RES0_LENGTH+TTE_PCF_SP_LENGTH+TTE_PCF_SD_LENGTH,
+            TTE_PCF_TYPE_LENGTH, ENC_BIG_ENDIAN);
+
+     /* RESERVED FIELD --- will not be displayed */
+     /* proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_res1, tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH+
+            TTE_PCF_RES0_LENGTH+TTE_PCF_SP_LENGTH+TTE_PCF_SD_LENGTH+
+            TTE_PCF_TYPE_LENGTH, TTE_PCF_RES1_LENGTH, ENC_NA); */
+
+        proto_tree_add_item(tte_pcf_tree,
+            hf_tte_pcf_tc, tvb, TTE_PCF_IC_LENGTH+TTE_PCF_MN_LENGTH+
+            TTE_PCF_RES0_LENGTH+TTE_PCF_SP_LENGTH+TTE_PCF_SD_LENGTH+
+            TTE_PCF_TYPE_LENGTH+TTE_PCF_RES1_LENGTH, TTE_PCF_TC_LENGTH, ENC_BIG_ENDIAN);
+    }
+
+    return tvb_captured_length(tvb);
+}
+
+
+void
+proto_register_tte_pcf(void)
+{
+    static hf_register_info hf[] = {
+
+        { &hf_tte_pcf_ic,
+            { "Integration Cycle", "tte_pcf.ic",
+            FT_UINT32, BASE_HEX, NULL, 0x0,
+            NULL, HFILL }
+        },
+            { &hf_tte_pcf_mn,
+            { "Membership New", "tte_pcf.mn",
+            FT_UINT32, BASE_HEX, NULL, 0x0,
+            NULL, HFILL }
+        },
+#if 0
+            { &hf_tte_pcf_res0,
+            { "Reserved 0", "tte_pcf.res0",
+            FT_UINT32, BASE_HEX, NULL, 0x0,
+            NULL, HFILL }
+        },
+#endif
+        { &hf_tte_pcf_sp,
+            { "Sync Priority", "tte_pcf.sp",
+            FT_UINT8, BASE_HEX, NULL, 0x0,
+            NULL, HFILL }
+        },
+        { &hf_tte_pcf_sd,
+            { "Sync Domain", "tte_pcf.sd",
+            FT_UINT8, BASE_HEX, NULL, 0x0,
+            NULL, HFILL }
+        },
+        { &hf_tte_pcf_type,
+            { "Type", "tte_pcf.type",
+            FT_UINT8, BASE_HEX, VALS(pcf_type_str_vals), 0x0F,
+            NULL, HFILL }
+        },
+#if 0
+        { &hf_tte_pcf_res1,
+            { "Reserved 1", "tte_pcf.res1",
+            FT_BYTES, BASE_NONE, NULL, 0x0,
+            NULL, HFILL }
+        },
+#endif
+        { &hf_tte_pcf_tc,
+            { "Transparent Clock", "tte_pcf.tc",
+            FT_UINT64, BASE_HEX, NULL, 0x0,
+            NULL, HFILL }
+        }
+    };
+
+    /* Setup protocol subtree array */
+    static gint *ett[] = {
+        &ett_tte_pcf
+    };
+
+    /* Register the protocol name and description */
+    proto_tte_pcf = proto_register_protocol("TTEthernet Protocol Control Frame",
+        "TTE PCF", "tte_pcf");
+
+    /* Required function calls to register header fields and subtrees used */
+    proto_register_field_array(proto_tte_pcf, hf, array_length(hf));
+    proto_register_subtree_array(ett, array_length(ett));
+
+    tte_pcf_handle = register_dissector("tte_pcf", dissect_tte_pcf, proto_tte_pcf);
+}
+
+
+void
+proto_reg_handoff_tte_pcf(void)
+{
+    dissector_add_uint("ethertype", ETHERTYPE_TTE_PCF, tte_pcf_handle);
+
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */