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/* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* ODP Classification Inlines
* Classification Inlines Functions
*/
#ifndef __ODP_CLASSIFICATION_INLINES_H_
#define __ODP_CLASSIFICATION_INLINES_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <odp/debug.h>
#include <odp/helper/eth.h>
#include <odp/helper/ip.h>
#include <odp/helper/ipsec.h>
#include <odp/helper/udp.h>
#include <odp/helper/tcp.h>
#include <odp_packet_internal.h>
/* PMR term value verification function
These functions verify the given PMR term value with the value in the packet
These following functions return 1 on success and 0 on failure
*/
static inline int verify_pmr_packet_len(odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
if (term_value->val == (packet_len(pkt_hdr) &
term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_ip_proto(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
const odph_ipv4hdr_t *ip;
uint8_t proto;
if (!pkt_hdr->input_flags.ipv4)
return 0;
ip = (const odph_ipv4hdr_t *)(pkt_addr + pkt_hdr->l3_offset);
proto = ip->proto;
if (term_value->val == (proto & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_ipv4_saddr(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
const odph_ipv4hdr_t *ip;
uint32_t ipaddr;
if (!pkt_hdr->input_flags.ipv4)
return 0;
ip = (const odph_ipv4hdr_t *)(pkt_addr + pkt_hdr->l3_offset);
ipaddr = odp_be_to_cpu_32(ip->src_addr);
if (term_value->val == (ipaddr & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_ipv4_daddr(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
const odph_ipv4hdr_t *ip;
uint32_t ipaddr;
if (!pkt_hdr->input_flags.ipv4)
return 0;
ip = (const odph_ipv4hdr_t *)(pkt_addr + pkt_hdr->l3_offset);
ipaddr = odp_be_to_cpu_32(ip->dst_addr);
if (term_value->val == (ipaddr & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_tcp_sport(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
uint16_t sport;
const odph_tcphdr_t *tcp;
if (!pkt_hdr->input_flags.tcp)
return 0;
tcp = (const odph_tcphdr_t *)(pkt_addr + pkt_hdr->l4_offset);
sport = odp_be_to_cpu_16(tcp->src_port);
if (term_value->val == (sport & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_tcp_dport(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
uint16_t dport;
const odph_tcphdr_t *tcp;
if (!pkt_hdr->input_flags.tcp)
return 0;
tcp = (const odph_tcphdr_t *)(pkt_addr + pkt_hdr->l4_offset);
dport = odp_be_to_cpu_16(tcp->dst_port);
if (term_value->val == (dport & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_udp_dport(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
uint16_t dport;
const odph_udphdr_t *udp;
if (!pkt_hdr->input_flags.udp)
return 0;
udp = (const odph_udphdr_t *)(pkt_addr + pkt_hdr->l4_offset);
dport = odp_be_to_cpu_16(udp->dst_port);
if (term_value->val == (dport & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_udp_sport(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
uint16_t sport;
const odph_udphdr_t *udp;
if (!pkt_hdr->input_flags.udp)
return 0;
udp = (const odph_udphdr_t *)(pkt_addr + pkt_hdr->l4_offset);
sport = odp_be_to_cpu_16(udp->src_port);
if (term_value->val == (sport & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_dmac(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
uint64_t dmac = 0;
uint64_t dmac_be = 0;
const odph_ethhdr_t *eth;
if (!pkt_hdr->input_flags.eth)
return 0;
eth = (const odph_ethhdr_t *)(pkt_addr + pkt_hdr->l2_offset);
memcpy(&dmac_be, eth->dst.addr, ODPH_ETHADDR_LEN);
dmac = odp_be_to_cpu_64(dmac_be);
/* since we are converting a 48 bit ethernet address from BE to cpu
format using odp_be_to_cpu_64() the last 16 bits needs to be right
shifted */
if (dmac_be != dmac)
dmac = dmac >> (64 - (ODPH_ETHADDR_LEN * 8));
if (term_value->val == (dmac & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_ipv6_saddr(const uint8_t *pkt_addr ODP_UNUSED,
odp_packet_hdr_t *pkt_hdr ODP_UNUSED,
pmr_term_value_t *term_value ODP_UNUSED)
{
ODP_UNIMPLEMENTED();
return 0;
}
static inline int verify_pmr_ipv6_daddr(const uint8_t *pkt_addr ODP_UNUSED,
odp_packet_hdr_t *pkt_hdr ODP_UNUSED,
pmr_term_value_t *term_value ODP_UNUSED)
{
ODP_UNIMPLEMENTED();
return 0;
}
static inline int verify_pmr_vlan_id_0(const uint8_t *pkt_addr ODP_UNUSED,
odp_packet_hdr_t *pkt_hdr ODP_UNUSED,
pmr_term_value_t *term_value ODP_UNUSED)
{
ODP_UNIMPLEMENTED();
return 0;
}
static inline int verify_pmr_vlan_id_x(const uint8_t *pkt_addr ODP_UNUSED,
odp_packet_hdr_t *pkt_hdr ODP_UNUSED,
pmr_term_value_t *term_value ODP_UNUSED)
{
ODP_UNIMPLEMENTED();
return 0;
}
static inline int verify_pmr_ipsec_spi(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
uint32_t spi;
if (!pkt_hdr->input_flags.ipsec)
return 0;
pkt_addr += pkt_hdr->l4_offset;
if (pkt_hdr->l4_protocol == ODPH_IPPROTO_AH) {
const odph_ahhdr_t *ahhdr = (const odph_ahhdr_t *)pkt_addr;
spi = odp_be_to_cpu_32(ahhdr->spi);
} else if (pkt_hdr->l4_protocol == ODPH_IPPROTO_ESP) {
const odph_esphdr_t *esphdr = (const odph_esphdr_t *)pkt_addr;
spi = odp_be_to_cpu_32(esphdr->spi);
} else {
return 0;
}
if (term_value->val == (spi & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_ld_vni(const uint8_t *pkt_addr ODP_UNUSED,
odp_packet_hdr_t *pkt_hdr ODP_UNUSED,
pmr_term_value_t *term_value ODP_UNUSED)
{
ODP_UNIMPLEMENTED();
return 0;
}
static inline int verify_pmr_custom_frame(const uint8_t *pkt_addr,
odp_packet_hdr_t *pkt_hdr,
pmr_term_value_t *term_value)
{
uint64_t val = 0;
uint32_t offset = term_value->offset;
uint32_t val_sz = term_value->val_sz;
ODP_ASSERT(val_sz <= ODP_PMR_TERM_BYTES_MAX);
if (packet_len(pkt_hdr) <= offset + val_sz)
return 0;
memcpy(&val, pkt_addr + offset, val_sz);
if (term_value->val == (val & term_value->mask))
return 1;
return 0;
}
static inline int verify_pmr_eth_type_0(const uint8_t *pkt_addr ODP_UNUSED,
odp_packet_hdr_t *pkt_hdr ODP_UNUSED,
pmr_term_value_t *term_value ODP_UNUSED)
{
ODP_UNIMPLEMENTED();
return 0;
}
static inline int verify_pmr_eth_type_x(const uint8_t *pkt_addr ODP_UNUSED,
odp_packet_hdr_t *pkt_hdr ODP_UNUSED,
pmr_term_value_t *term_value ODP_UNUSED)
{
ODP_UNIMPLEMENTED();
return 0;
}
#ifdef __cplusplus
}
#endif
#endif
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