From 532c03920eec38ad4443201419817caabe91e2b7 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@fh-muenster.de>
Date: Sat, 8 Dec 2018 14:36:34 +0100
Subject: [PATCH] Add support for printing CHUNKS parameter.
---
gtests/net/packetdrill/sctp.h | 6 ++
gtests/net/packetdrill/sctp_chunk_to_string.c | 97 +++++++++++++++++++
2 files changed, 103 insertions(+)
diff --git a/gtests/net/packetdrill/sctp.h b/gtests/net/packetdrill/sctp.h
index 6f4bd9fe..81d71ba1 100644
--- a/gtests/net/packetdrill/sctp.h
+++ b/gtests/net/packetdrill/sctp.h
@@ -439,6 +439,12 @@ struct sctp_ecn_capable_parameter {
__be16 length;
} __packed;
+struct sctp_chunks_parameter {
+ __be16 type;
+ __be16 length;
+ __u8 chunk_type[];
+} __packed;
+
struct sctp_supported_extensions_parameter {
__be16 type;
__be16 length;
diff --git a/gtests/net/packetdrill/sctp_chunk_to_string.c b/gtests/net/packetdrill/sctp_chunk_to_string.c
index 100b0d70..e365c7b8 100644
--- a/gtests/net/packetdrill/sctp_chunk_to_string.c
+++ b/gtests/net/packetdrill/sctp_chunk_to_string.c
@@ -410,6 +410,98 @@ static int sctp_ecn_capable_parameter_to_string(
return STATUS_OK;
}
+static int sctp_chunks_parameter_to_string(
+ FILE *s,
+ struct sctp_chunks_parameter *parameter,
+ char **error)
+{
+ u16 length, nr_chunk_types, i;
+
+ length = ntohs(parameter->length);
+ if (length < sizeof(struct sctp_chunks_parameter)) {
+ asprintf(error,
+ "CHUNKS parameter illegal (length=%u)",
+ length);
+ return STATUS_ERR;
+ }
+ nr_chunk_types = length - sizeof(struct sctp_chunks_parameter);
+ fputs("CHUNKS[types=[", s);
+ for (i = 0; i < nr_chunk_types; i++) {
+ if (i > 0)
+ fputs(", ", s);
+ switch (parameter->chunk_type[i]) {
+ case SCTP_DATA_CHUNK_TYPE:
+ fputs("DATA", s);
+ break;
+ case SCTP_INIT_CHUNK_TYPE:
+ fputs("INIT", s);
+ break;
+ case SCTP_INIT_ACK_CHUNK_TYPE:
+ fputs("INIT_ACK", s);
+ break;
+ case SCTP_SACK_CHUNK_TYPE:
+ fputs("SACK", s);
+ break;
+ case SCTP_HEARTBEAT_CHUNK_TYPE:
+ fputs("HEARTBEAT", s);
+ break;
+ case SCTP_HEARTBEAT_ACK_CHUNK_TYPE:
+ fputs("HEARTBEAT_ACK", s);
+ break;
+ case SCTP_ABORT_CHUNK_TYPE:
+ fputs("ABORT", s);
+ break;
+ case SCTP_SHUTDOWN_CHUNK_TYPE:
+ fputs("SHUTDOWN", s);
+ break;
+ case SCTP_SHUTDOWN_ACK_CHUNK_TYPE:
+ fputs("SHUTDOWN_ACK", s);
+ break;
+ case SCTP_ERROR_CHUNK_TYPE:
+ fputs("ERROR", s);
+ break;
+ case SCTP_COOKIE_ECHO_CHUNK_TYPE:
+ fputs("COOKIE_ECHO", s);
+ break;
+ case SCTP_COOKIE_ACK_CHUNK_TYPE:
+ fputs("COOKIE_ACK", s);
+ break;
+ case SCTP_ECNE_CHUNK_TYPE:
+ fputs("ECNE", s);
+ break;
+ case SCTP_CWR_CHUNK_TYPE:
+ fputs("CWR", s);
+ break;
+ case SCTP_SHUTDOWN_COMPLETE_CHUNK_TYPE:
+ fputs("SHUTDOWN_COMPLETE", s);
+ break;
+ case SCTP_NR_SACK_CHUNK_TYPE:
+ fputs("NR_SACK", s);
+ break;
+ case SCTP_I_DATA_CHUNK_TYPE:
+ fputs("I_DATA", s);
+ break;
+ case SCTP_RECONFIG_CHUNK_TYPE:
+ fputs("RECONFIG", s);
+ break;
+ case SCTP_PAD_CHUNK_TYPE:
+ fputs("PAD", s);
+ break;
+ case SCTP_FORWARD_TSN_CHUNK_TYPE:
+ fputs("FORWARD_TSN", s);
+ break;
+ case SCTP_I_FORWARD_TSN_CHUNK_TYPE:
+ fputs("I_FORWARD_TSN", s);
+ break;
+ default:
+ fprintf(s, "0x%02x", parameter->chunk_type[i]);
+ break;
+ }
+ }
+ fputs("]]", s);
+ return STATUS_OK;
+}
+
static int sctp_supported_extensions_parameter_to_string(
FILE *s,
struct sctp_supported_extensions_parameter *parameter,
@@ -650,6 +742,11 @@ static int sctp_parameter_to_string(FILE *s,
result = sctp_ecn_capable_parameter_to_string(s,
(struct sctp_ecn_capable_parameter *)parameter, error);
break;
+ case SCTP_CHUNKS_PARAMETER_TYPE:
+ result = sctp_chunks_parameter_to_string(s,
+ (struct sctp_chunks_parameter *)parameter,
+ error);
+ break;
case SCTP_SUPPORTED_EXTENSIONS_PARAMETER_TYPE:
result = sctp_supported_extensions_parameter_to_string(s,
(struct sctp_supported_extensions_parameter *)parameter,
--
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