20#ifdef RTE_EXEC_ENV_WINDOWS
23#include <sys/socket.h>
25#include <netinet/in.h>
27#include <netinet/ip.h>
28#include <netinet/ip6.h>
46#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
49#elif RTE_BYTE_ORDER == RTE_BIG_ENDIAN
67#define RTE_IPV4(a, b, c, d) ((uint32_t)(((a) & 0xff) << 24) | \
68 (((b) & 0xff) << 16) | \
69 (((c) & 0xff) << 8) | \
73#define RTE_IPV4_MAX_PKT_LEN 65535
76#define RTE_IPV4_HDR_IHL_MASK (0x0f)
81#define RTE_IPV4_IHL_MULTIPLIER (4)
84#define RTE_IPV4_HDR_DSCP_MASK (0xfc)
85#define RTE_IPV4_HDR_ECN_MASK (0x03)
86#define RTE_IPV4_HDR_ECN_CE RTE_IPV4_HDR_ECN_MASK
89#define RTE_IPV4_HDR_DF_SHIFT 14
90#define RTE_IPV4_HDR_MF_SHIFT 13
91#define RTE_IPV4_HDR_FO_SHIFT 3
93#define RTE_IPV4_HDR_DF_FLAG (1 << RTE_IPV4_HDR_DF_SHIFT)
94#define RTE_IPV4_HDR_MF_FLAG (1 << RTE_IPV4_HDR_MF_SHIFT)
96#define RTE_IPV4_HDR_OFFSET_MASK ((1 << RTE_IPV4_HDR_MF_SHIFT) - 1)
98#define RTE_IPV4_HDR_OFFSET_UNITS 8
103#define RTE_IPV4_ANY ((uint32_t)0x00000000)
104#define RTE_IPV4_LOOPBACK ((uint32_t)0x7f000001)
105#define RTE_IPV4_BROADCAST ((uint32_t)0xe0000000)
106#define RTE_IPV4_ALLHOSTS_GROUP ((uint32_t)0xe0000001)
107#define RTE_IPV4_ALLRTRS_GROUP ((uint32_t)0xe0000002)
108#define RTE_IPV4_MAX_LOCAL_GROUP ((uint32_t)0xe00000ff)
113#define RTE_IPV4_MIN_MCAST \
114 RTE_IPV4(224, 0, 0, 0)
115#define RTE_IPV4_MAX_MCAST \
116 RTE_IPV4(239, 255, 255, 255)
118#define RTE_IS_IPV4_MCAST(x) \
119 ((x) >= RTE_IPV4_MIN_MCAST && (x) <= RTE_IPV4_MAX_MCAST)
123#define RTE_IPV4_MIN_IHL (0x5)
124#define RTE_IPV4_VHL_DEF ((IPVERSION << 4) | RTE_IPV4_MIN_IHL)
154static inline uint32_t
155__rte_raw_cksum(
const void *buf,
size_t len, uint32_t sum)
158 typedef uint16_t __attribute__((__may_alias__)) u16_p;
159 const u16_p *u16_buf = (
const u16_p *)buf;
160 const u16_p *end = u16_buf + len /
sizeof(*u16_buf);
162 for (; u16_buf != end; ++u16_buf)
168 *(
unsigned char *)&left = *(
const unsigned char *)end;
184static inline uint16_t
185__rte_raw_cksum_reduce(uint32_t sum)
187 sum = ((sum & 0xffff0000) >> 16) + (sum & 0xffff);
188 sum = ((sum & 0xffff0000) >> 16) + (sum & 0xffff);
189 return (uint16_t)sum;
202static inline uint16_t
207 sum = __rte_raw_cksum(buf, len, 0);
208 return __rte_raw_cksum_reduce(sum);
232 uint32_t seglen, done;
237 const char *, off), len);
246 for (seg = m; seg != NULL; seg = seg->
next) {
252 RTE_ASSERT(seg != NULL);
267 tmp = __rte_raw_cksum(buf, seglen, 0);
277 if (seglen > len - done)
281 *cksum = __rte_raw_cksum_reduce(sum);
295static inline uint16_t
300 return (uint16_t)~cksum;
321static inline uint16_t
324 struct ipv4_psd_header {
334 psd_hdr.src_addr = ipv4_hdr->
src_addr;
335 psd_hdr.dst_addr = ipv4_hdr->
dst_addr;
351static inline uint16_t
352__rte_ipv4_udptcp_cksum(
const struct rte_ipv4_hdr *ipv4_hdr,
const void *l4_hdr)
355 uint32_t l3_len, l4_len;
360 if (l3_len < ip_hdr_len)
363 l4_len = l3_len - ip_hdr_len;
368 cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
370 return (uint16_t)cksum;
385static inline uint16_t
388 uint16_t cksum = __rte_ipv4_udptcp_cksum(ipv4_hdr, l4_hdr);
421 uint16_t cksum = __rte_ipv4_udptcp_cksum(ipv4_hdr, l4_hdr);
442#define RTE_IPV6_HDR_FL_SHIFT 0
443#define RTE_IPV6_HDR_TC_SHIFT 20
444#define RTE_IPV6_HDR_FL_MASK ((1u << RTE_IPV6_HDR_TC_SHIFT) - 1)
445#define RTE_IPV6_HDR_TC_MASK (0xff << RTE_IPV6_HDR_TC_SHIFT)
446#define RTE_IPV6_HDR_DSCP_MASK (0xfc << RTE_IPV6_HDR_TC_SHIFT)
447#define RTE_IPV6_HDR_ECN_MASK (0x03 << RTE_IPV6_HDR_TC_SHIFT)
448#define RTE_IPV6_HDR_ECN_CE RTE_IPV6_HDR_ECN_MASK
450#define RTE_IPV6_MIN_MTU 1280
468static inline uint16_t
477 psd_hdr.proto = (uint32_t)(ipv6_hdr->
proto << 24);
484 sum = __rte_raw_cksum(ipv6_hdr->
src_addr,
487 sum = __rte_raw_cksum(&psd_hdr,
sizeof(psd_hdr), sum);
488 return __rte_raw_cksum_reduce(sum);
494static inline uint16_t
495__rte_ipv6_udptcp_cksum(
const struct rte_ipv6_hdr *ipv6_hdr,
const void *l4_hdr)
505 cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
507 return (uint16_t)cksum;
523static inline uint16_t
526 uint16_t cksum = __rte_ipv6_udptcp_cksum(ipv6_hdr, l4_hdr);
535 if (cksum == 0 && ipv6_hdr->
proto == IPPROTO_UDP)
560 uint16_t cksum = __rte_ipv6_udptcp_cksum(ipv6_hdr, l4_hdr);
569#define RTE_IPV6_EHDR_MF_SHIFT 0
570#define RTE_IPV6_EHDR_MF_MASK 1
571#define RTE_IPV6_EHDR_FO_SHIFT 3
572#define RTE_IPV6_EHDR_FO_MASK (~((1 << RTE_IPV6_EHDR_FO_SHIFT) - 1))
573#define RTE_IPV6_EHDR_FO_ALIGN (1 << RTE_IPV6_EHDR_FO_SHIFT)
575#define RTE_IPV6_FRAG_USED_MASK (RTE_IPV6_EHDR_MF_MASK | RTE_IPV6_EHDR_FO_MASK)
577#define RTE_IPV6_GET_MF(x) ((x) & RTE_IPV6_EHDR_MF_MASK)
578#define RTE_IPV6_GET_FO(x) ((x) >> RTE_IPV6_EHDR_FO_SHIFT)
580#define RTE_IPV6_SET_FRAG_DATA(fo, mf) \
581 (((fo) & RTE_IPV6_EHDR_FO_MASK) | ((mf) & RTE_IPV6_EHDR_MF_MASK))
583struct rte_ipv6_fragment_ext {
591#define RTE_IPV6_FRAG_HDR_SIZE sizeof(struct rte_ipv6_fragment_ext)
618 *ext_len = (*p + 2) *
sizeof(uint32_t);
621 case IPPROTO_HOPOPTS:
622 case IPPROTO_ROUTING:
623 case IPPROTO_DSTOPTS:
625 *ext_len = (*p + 1) *
sizeof(uint64_t);
628 case IPPROTO_FRAGMENT:
630 *ext_len = RTE_IPV6_FRAG_HDR_SIZE;
static uint16_t rte_be_to_cpu_16(rte_be16_t x)
static rte_be16_t rte_cpu_to_be_16(uint16_t x)
static uint16_t rte_bswap16(uint16_t _x)
struct rte_ether_addr src_addr
struct rte_ether_addr dst_addr
static uint16_t rte_ipv4_phdr_cksum(const struct rte_ipv4_hdr *ipv4_hdr, uint64_t ol_flags)
static __rte_experimental int rte_ipv6_get_next_ext(const uint8_t *p, int proto, size_t *ext_len)
static uint16_t rte_ipv6_phdr_cksum(const struct rte_ipv6_hdr *ipv6_hdr, uint64_t ol_flags)
static uint16_t rte_raw_cksum(const void *buf, size_t len)
static uint16_t rte_ipv6_udptcp_cksum(const struct rte_ipv6_hdr *ipv6_hdr, const void *l4_hdr)
static __rte_experimental int rte_ipv6_udptcp_cksum_verify(const struct rte_ipv6_hdr *ipv6_hdr, const void *l4_hdr)
static uint16_t rte_ipv4_udptcp_cksum(const struct rte_ipv4_hdr *ipv4_hdr, const void *l4_hdr)
static uint16_t rte_ipv4_cksum(const struct rte_ipv4_hdr *ipv4_hdr)
static int rte_raw_cksum_mbuf(const struct rte_mbuf *m, uint32_t off, uint32_t len, uint16_t *cksum)
static uint8_t rte_ipv4_hdr_len(const struct rte_ipv4_hdr *ipv4_hdr)
static __rte_experimental int rte_ipv4_udptcp_cksum_verify(const struct rte_ipv4_hdr *ipv4_hdr, const void *l4_hdr)
#define RTE_IPV4_HDR_IHL_MASK
#define RTE_IPV4_IHL_MULTIPLIER
#define rte_pktmbuf_data_len(m)
#define rte_pktmbuf_pkt_len(m)
#define rte_pktmbuf_mtod(m, t)
#define RTE_MBUF_F_TX_TCP_SEG
#define rte_pktmbuf_mtod_offset(m, t, o)
rte_be16_t fragment_offset