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/* Copyright (c) 2015-2018, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* ODP packet descriptor
*/
#ifndef ODP_PACKET_INLINE_TYPES_H_
#define ODP_PACKET_INLINE_TYPES_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/** @cond _ODP_HIDE_FROM_DOXYGEN_ */
/* Packet field accessor */
#define _odp_pkt_get(pkt, cast, field) \
(*(cast *)(uintptr_t)((uint8_t *)pkt + _odp_packet_inline.field))
/* Packet header field offsets for inline functions */
typedef struct _odp_packet_inline_offset_t {
uint16_t data;
uint16_t seg_len;
uint16_t frame_len;
uint16_t headroom;
uint16_t tailroom;
uint16_t pool;
uint16_t input;
uint16_t segcount;
uint16_t user_ptr;
uint16_t user_area;
uint16_t l2_offset;
uint16_t l3_offset;
uint16_t l4_offset;
uint16_t flow_hash;
uint16_t timestamp;
uint16_t input_flags;
uint16_t flags;
} _odp_packet_inline_offset_t;
/* Packet input & protocol flags */
typedef union {
/* All input flags */
uint64_t all;
/* Individual input flags */
struct {
uint64_t dst_queue:1; /* Dst queue present */
uint64_t flow_hash:1; /* Flow hash present */
uint64_t timestamp:1; /* Timestamp present */
uint64_t l2:1; /* known L2 protocol present */
uint64_t l3:1; /* known L3 protocol present */
uint64_t l4:1; /* known L4 protocol present */
uint64_t eth:1; /* Ethernet */
uint64_t eth_bcast:1; /* Ethernet broadcast */
uint64_t eth_mcast:1; /* Ethernet multicast */
uint64_t jumbo:1; /* Jumbo frame */
uint64_t vlan:1; /* VLAN hdr found */
uint64_t vlan_qinq:1; /* Stacked VLAN found, QinQ */
uint64_t snap:1; /* SNAP */
uint64_t arp:1; /* ARP */
uint64_t ipv4:1; /* IPv4 */
uint64_t ipv6:1; /* IPv6 */
uint64_t ip_bcast:1; /* IP broadcast */
uint64_t ip_mcast:1; /* IP multicast */
uint64_t ipfrag:1; /* IP fragment */
uint64_t ipopt:1; /* IP optional headers */
uint64_t ipsec:1; /* IPSec packet. Required by the
odp_packet_has_ipsec_set() func. */
uint64_t ipsec_ah:1; /* IPSec authentication header */
uint64_t ipsec_esp:1; /* IPSec encapsulating security
payload */
uint64_t udp:1; /* UDP */
uint64_t tcp:1; /* TCP */
uint64_t sctp:1; /* SCTP */
uint64_t icmp:1; /* ICMP */
uint64_t no_next_hdr:1; /* No Next Header */
uint64_t color:2; /* Packet color for traffic mgmt */
uint64_t nodrop:1; /* Drop eligibility status */
uint64_t l3_chksum_done:1; /* L3 checksum validation done */
uint64_t l4_chksum_done:1; /* L4 checksum validation done */
uint64_t ipsec_udp:1; /* UDP-encapsulated IPsec packet */
uint64_t udp_chksum_zero:1; /* UDP header had 0 as chksum */
};
} _odp_packet_input_flags_t;
/*
* Additional packet flags
*/
typedef union {
/* All flags */
uint32_t all_flags;
struct {
uint32_t reserved1: 11;
/*
* Init flags
*/
uint32_t user_ptr_set: 1; /* User has set a non-NULL value */
/*
* Packet output flags
*/
uint32_t l3_chksum_set: 1; /* L3 chksum bit is valid */
uint32_t l3_chksum: 1; /* L3 chksum override */
uint32_t l4_chksum_set: 1; /* L4 chksum bit is valid */
uint32_t l4_chksum: 1; /* L4 chksum override */
uint32_t shaper_len_adj: 8; /* Adjustment for traffic mgr */
/*
* Error flags
*/
uint32_t snap_len_err: 1; /* Snap length error */
uint32_t ip_err: 1; /* IP error */
uint32_t l3_chksum_err: 1; /* L3 checksum error */
uint32_t tcp_err: 1; /* TCP error */
uint32_t udp_err: 1; /* UDP error */
uint32_t l4_chksum_err: 1; /* L4 checksum error */
uint32_t ipsec_err: 1; /* IPsec error */
uint32_t crypto_err: 1; /* Crypto packet operation error */
};
/* Flag groups */
struct {
uint32_t reserved2: 11;
uint32_t other: 13; /* All other flags */
uint32_t error: 8; /* All error flags */
} all;
} _odp_packet_flags_t;
/** @endcond */
#ifdef __cplusplus
}
#endif
#endif
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