diff options
Diffstat (limited to 'test/packetdrill/ip_packet.h')
-rw-r--r-- | test/packetdrill/ip_packet.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/test/packetdrill/ip_packet.h b/test/packetdrill/ip_packet.h new file mode 100644 index 0000000..05f2a07 --- /dev/null +++ b/test/packetdrill/ip_packet.h @@ -0,0 +1,80 @@ +/* + * Copyright 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ +/* + * Author: ncardwell@google.com (Neal Cardwell) + * + * Interface for module for formatting IP packets. + */ + +#ifndef __IP_PACKET_H__ +#define __IP_PACKET_H__ + +#include "types.h" + +#include "packet.h" + +/* Populate header fields in the IP header at the given address. */ +extern void set_ip_header(void *ip_header, + int address_family, + u16 ip_bytes, + u8 tos, u32 flowlabel, + u8 ttl, u8 protocol); + +/* Set the packet's IP header pointer and then populate the IP header fields. */ +extern void set_packet_ip_header(struct packet *packet, + int address_family, + u16 ip_bytes, + u8 tos, u32 flowlabel, + u8 ttl, u8 protocol); + +/* Append an IPv4 header to the end of the given packet and fill in + * src/dst. On success, return STATUS_OK; on error return STATUS_ERR + * and fill in a malloc-allocated error message in *error. + */ +extern int ipv4_header_append(struct packet *packet, + const char *ip_src, + const char *ip_dst, + const u8 tos, + const u8 ttl, + char **error); + +/* Append an IPv6 header to the end of the given packet and fill in + * src/dst. On success, return STATUS_OK; on error return STATUS_ERR + * and fill in a malloc-allocated error message in *error. + */ +extern int ipv6_header_append(struct packet *packet, + const char *ip_src, + const char *ip_dst, + const u8 tos, + const u8 hop_limit, + char **error); + +/* Finalize the IPv4 header by filling in all necessary fields that + * were not filled in at parse time. + */ +extern int ipv4_header_finish(struct packet *packet, + struct header *header, struct header *next_inner); + +/* Finalize the IPv6 header by filling in all necessary fields that + * were not filled in at parse time. + */ +extern int ipv6_header_finish(struct packet *packet, + struct header *header, struct header *next_inner); + +#endif /* __IP_PACKET_H__ */ |