From b89feee7e443c3539d6381f913edf3be6199b689 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@fh-muenster.de>
Date: Mon, 2 Feb 2015 23:14:53 +0100
Subject: [PATCH] Add support for SCTP.
---
gtests/net/packetdrill/packet_checksum.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/gtests/net/packetdrill/packet_checksum.c b/gtests/net/packetdrill/packet_checksum.c
index f6498f6a..2c5a142f 100644
--- a/gtests/net/packetdrill/packet_checksum.c
+++ b/gtests/net/packetdrill/packet_checksum.c
@@ -45,7 +45,11 @@ static void checksum_ipv4_packet(struct packet *packet)
assert(l4_bytes > 0);
/* Fill in IPv4-based layer 4 checksum. */
- if (packet->tcp != NULL) {
+ if (packet->sctp != NULL) {
+ struct sctp_common_header *sctp = packet->sctp;
+ sctp->crc32c = 0;
+ sctp->crc32c = sctp_crc32c(sctp, l4_bytes);
+ } else if (packet->tcp != NULL) {
struct tcp *tcp = packet->tcp;
tcp->check = 0;
tcp->check = tcp_udp_v4_checksum(ipv4->src_ip,
@@ -75,7 +79,7 @@ static void checksum_ipv4_packet(struct packet *packet)
icmpv4->checksum = 0;
icmpv4->checksum = ipv4_checksum(icmpv4, l4_bytes);
} else {
- assert(!"not TCP or UDP or UDPLite or ICMP");
+ assert(!"not SCTP or TCP or UDP or UDPLite or ICMP");
}
}
@@ -92,7 +96,11 @@ static void checksum_ipv6_packet(struct packet *packet)
assert(l4_bytes > 0);
/* Fill in IPv6-based layer 4 checksum. */
- if (packet->tcp != NULL) {
+ if (packet->sctp != NULL) {
+ struct sctp_common_header *sctp = packet->sctp;
+ sctp->crc32c = 0;
+ sctp->crc32c = sctp_crc32c(sctp, l4_bytes);
+ } else if (packet->tcp != NULL) {
struct tcp *tcp = packet->tcp;
tcp->check = 0;
tcp->check = tcp_udp_v6_checksum(&ipv6->src_ip,
--
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