This patch adds TCP header description structure odph_tcphdr. This structure is used for accessing TCP header information from the packet
Signed-off-by: Balasubramanian Manoharan <[email protected]> --- helper/include/odph_tcp.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 helper/include/odph_tcp.h diff --git a/helper/include/odph_tcp.h b/helper/include/odph_tcp.h new file mode 100644 index 0000000..4c5912b --- /dev/null +++ b/helper/include/odph_tcp.h @@ -0,0 +1,61 @@ +/* Copyright (c) 2014, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP TCP header + */ + +#ifndef ODPH_TCP_H_ +#define ODPH_TCP_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <odp_align.h> +#include <odp_debug.h> +#include <odp_byteorder.h> + +/** UDP header length */ +#define ODPH_TCPHDR_LEN 8 + +/** TCP header */ +typedef struct ODP_PACKED { + uint16be_t src_port; /**< Source port */ + uint16be_t dst_port; /**< Destinatino port */ + uint32be_t seq_no; /**< Sequence number */ + uint32be_t ack_no; /**< Acknowledgment number */ + union { + uint32be_t flags_and_window; + struct { + uint32be_t rsvd1:8; + uint32be_t flags:8; /**< TCP flags as a byte */ + uint32be_t rsvd2:16; + }; + struct { + uint32be_t hl:4; /**< Hdr len, in words */ + uint32be_t rsvd3:6; /**< Reserved */ + uint32be_t urg:1; /**< ACK */ + uint32be_t ack:1; + uint32be_t psh:1; + uint32be_t rst:1; + uint32be_t syn:1; + uint32be_t fin:1; + uint32be_t window:16; /**< Window size */ + }; + }; + uint16be_t cksm; /**< Checksum */ + uint16be_t urgptr; /**< Urgent pointer */ +} odph_tcphdr_t; + +#ifdef __cplusplus +} +#endif + +#endif -- 2.0.1.472.g6f92e5f _______________________________________________ lng-odp mailing list [email protected] http://lists.linaro.org/mailman/listinfo/lng-odp
