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/* Copyright (c) 2015, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* ODP packet descriptor
*/
#ifndef ODP_PACKET_TYPES_H_
#define ODP_PACKET_TYPES_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include <odp/api/plat/static_inline.h>
#if ODP_ABI_COMPAT == 1
#include <odp/api/abi/packet.h>
#else
#include <odp/api/std_types.h>
#include <odp/api/plat/strong_types.h>
/** @ingroup odp_packet
* @{
*/
typedef ODP_HANDLE_T(odp_packet_t);
#define ODP_PACKET_INVALID _odp_cast_scalar(odp_packet_t, 0)
#define ODP_PACKET_OFFSET_INVALID 0xffff
typedef uint8_t odp_packet_seg_t;
static inline uint8_t _odp_packet_seg_to_ndx(odp_packet_seg_t seg)
{
return (uint8_t)seg;
}
static inline odp_packet_seg_t _odp_packet_seg_from_ndx(uint8_t ndx)
{
return (odp_packet_seg_t)ndx;
}
#define ODP_PACKET_SEG_INVALID ((odp_packet_seg_t)-1)
typedef enum {
ODP_PACKET_GREEN = 0,
ODP_PACKET_YELLOW = 1,
ODP_PACKET_RED = 2,
ODP_PACKET_ALL_COLORS = 3,
} odp_packet_color_t;
#define ODP_NUM_PACKET_COLORS 3
/**
* @}
*/
#endif
/** @internal Packet field accessor */
#define _odp_pkt_get(pkt, cast, field) \
(*(cast *)(uintptr_t)((uint8_t *)pkt + _odp_packet_inline.field))
/** @internal Packet header field offsets for inline functions */
typedef struct _odp_packet_inline_offset_t {
/** @internal field offset */
uint16_t data;
/** @internal field offset */
uint16_t seg_len;
/** @internal field offset */
uint16_t frame_len;
/** @internal field offset */
uint16_t headroom;
/** @internal field offset */
uint16_t tailroom;
/** @internal field offset */
uint16_t pool;
/** @internal field offset */
uint16_t input;
/** @internal field offset */
uint16_t segcount;
/** @internal field offset */
uint16_t user_ptr;
/** @internal field offset */
uint16_t user_area;
/** @internal field offset */
uint16_t flow_hash;
/** @internal field offset */
uint16_t timestamp;
/** @internal field offset */
uint16_t input_flags;
} _odp_packet_inline_offset_t;
/** @internal 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 tcpopt:1; /**< TCP options present */
uint64_t sctp:1; /**< SCTP */
uint64_t icmp:1; /**< ICMP */
uint64_t color:2; /**< Packet color for traffic mgmt */
uint64_t nodrop:1; /**< Drop eligibility status */
};
} _odp_packet_input_flags_t;
#ifdef __cplusplus
}
#endif
#endif
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