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>
31#include <rte_compat.h>
47#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
50#elif RTE_BYTE_ORDER == RTE_BIG_ENDIAN
68#define RTE_IPV4(a, b, c, d) ((uint32_t)(((a) & 0xff) << 24) | \
69 (((b) & 0xff) << 16) | \
70 (((c) & 0xff) << 8) | \
74#define RTE_IPV4_MAX_PKT_LEN 65535
77#define RTE_IPV4_HDR_IHL_MASK (0x0f)
82#define RTE_IPV4_IHL_MULTIPLIER (4)
85#define RTE_IPV4_HDR_DSCP_MASK (0xfc)
86#define RTE_IPV4_HDR_ECN_MASK (0x03)
87#define RTE_IPV4_HDR_ECN_CE RTE_IPV4_HDR_ECN_MASK
90#define RTE_IPV4_HDR_DF_SHIFT 14
91#define RTE_IPV4_HDR_MF_SHIFT 13
92#define RTE_IPV4_HDR_FO_SHIFT 3
94#define RTE_IPV4_HDR_DF_FLAG (1 << RTE_IPV4_HDR_DF_SHIFT)
95#define RTE_IPV4_HDR_MF_FLAG (1 << RTE_IPV4_HDR_MF_SHIFT)
97#define RTE_IPV4_HDR_OFFSET_MASK ((1 << RTE_IPV4_HDR_MF_SHIFT) - 1)
99#define RTE_IPV4_HDR_OFFSET_UNITS 8
102#define RTE_IPV4_HDR_OPT_EOL 0
103#define RTE_IPV4_HDR_OPT_NOP 1
104#define RTE_IPV4_HDR_OPT_COPIED(v) ((v) & 0x80)
105#define RTE_IPV4_HDR_OPT_MAX_LEN 40
110#define RTE_IPV4_ANY ((uint32_t)0x00000000)
111#define RTE_IPV4_LOOPBACK ((uint32_t)0x7f000001)
112#define RTE_IPV4_BROADCAST ((uint32_t)0xe0000000)
113#define RTE_IPV4_ALLHOSTS_GROUP ((uint32_t)0xe0000001)
114#define RTE_IPV4_ALLRTRS_GROUP ((uint32_t)0xe0000002)
115#define RTE_IPV4_MAX_LOCAL_GROUP ((uint32_t)0xe00000ff)
120#define RTE_IPV4_MIN_MCAST \
121 RTE_IPV4(224, 0, 0, 0)
122#define RTE_IPV4_MAX_MCAST \
123 RTE_IPV4(239, 255, 255, 255)
125#define RTE_IS_IPV4_MCAST(x) \
126 ((x) >= RTE_IPV4_MIN_MCAST && (x) <= RTE_IPV4_MAX_MCAST)
130#define RTE_IPV4_MIN_IHL (0x5)
131#define RTE_IPV4_VHL_DEF ((IPVERSION << 4) | RTE_IPV4_MIN_IHL)
161static inline uint32_t
162__rte_raw_cksum(
const void *buf,
size_t len, uint32_t sum)
167 buf != end; buf =
RTE_PTR_ADD(buf,
sizeof(uint16_t))) {
170 memcpy(&v, buf,
sizeof(uint16_t));
178 memcpy(&left, end, 1);
194static inline uint16_t
195__rte_raw_cksum_reduce(uint32_t sum)
197 sum = ((sum & 0xffff0000) >> 16) + (sum & 0xffff);
198 sum = ((sum & 0xffff0000) >> 16) + (sum & 0xffff);
199 return (uint16_t)sum;
212static inline uint16_t
217 sum = __rte_raw_cksum(buf, len, 0);
218 return __rte_raw_cksum_reduce(sum);
242 uint32_t seglen, done;
247 const char *, off), len);
256 for (seg = m; seg != NULL; seg = seg->
next) {
262 RTE_ASSERT(seg != NULL);
277 tmp = __rte_raw_cksum(buf, seglen, 0);
287 if (seglen > len - done)
291 *cksum = __rte_raw_cksum_reduce(sum);
305static inline uint16_t
310 return (uint16_t)~cksum;
331static inline uint16_t
334 struct ipv4_psd_header {
344 psd_hdr.src_addr = ipv4_hdr->
src_addr;
345 psd_hdr.dst_addr = ipv4_hdr->
dst_addr;
361static inline uint16_t
362__rte_ipv4_udptcp_cksum(
const struct rte_ipv4_hdr *ipv4_hdr,
const void *l4_hdr)
365 uint32_t l3_len, l4_len;
370 if (l3_len < ip_hdr_len)
373 l4_len = l3_len - ip_hdr_len;
378 cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
380 return (uint16_t)cksum;
395static inline uint16_t
398 uint16_t cksum = __rte_ipv4_udptcp_cksum(ipv4_hdr, l4_hdr);
416static inline uint16_t
417__rte_ipv4_udptcp_cksum_mbuf(
const struct rte_mbuf *m,
435 cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
437 return (uint16_t)cksum;
456static inline uint16_t
460 uint16_t cksum = __rte_ipv4_udptcp_cksum_mbuf(m, ipv4_hdr, l4_off);
493 uint16_t cksum = __rte_ipv4_udptcp_cksum(ipv4_hdr, l4_hdr);
525 uint16_t cksum = __rte_ipv4_udptcp_cksum_mbuf(m, ipv4_hdr, l4_off);
546#define RTE_IPV6_HDR_FL_SHIFT 0
547#define RTE_IPV6_HDR_TC_SHIFT 20
548#define RTE_IPV6_HDR_FL_MASK ((1u << RTE_IPV6_HDR_TC_SHIFT) - 1)
549#define RTE_IPV6_HDR_TC_MASK (0xff << RTE_IPV6_HDR_TC_SHIFT)
550#define RTE_IPV6_HDR_DSCP_MASK (0xfc << RTE_IPV6_HDR_TC_SHIFT)
551#define RTE_IPV6_HDR_ECN_MASK (0x03 << RTE_IPV6_HDR_TC_SHIFT)
552#define RTE_IPV6_HDR_ECN_CE RTE_IPV6_HDR_ECN_MASK
554#define RTE_IPV6_MIN_MTU 1280
572static inline uint16_t
581 psd_hdr.proto = (uint32_t)(ipv6_hdr->
proto << 24);
588 sum = __rte_raw_cksum(ipv6_hdr->
src_addr,
591 sum = __rte_raw_cksum(&psd_hdr,
sizeof(psd_hdr), sum);
592 return __rte_raw_cksum_reduce(sum);
598static inline uint16_t
599__rte_ipv6_udptcp_cksum(
const struct rte_ipv6_hdr *ipv6_hdr,
const void *l4_hdr)
609 cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
611 return (uint16_t)cksum;
627static inline uint16_t
630 uint16_t cksum = __rte_ipv6_udptcp_cksum(ipv6_hdr, l4_hdr);
639 if (cksum == 0 && ipv6_hdr->
proto == IPPROTO_UDP)
648static inline uint16_t
649__rte_ipv6_udptcp_cksum_mbuf(
const struct rte_mbuf *m,
664 cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
666 return (uint16_t)cksum;
688static inline uint16_t
692 uint16_t cksum = __rte_ipv6_udptcp_cksum_mbuf(m, ipv6_hdr, l4_off);
701 if (cksum == 0 && ipv6_hdr->
proto == IPPROTO_UDP)
726 uint16_t cksum = __rte_ipv6_udptcp_cksum(ipv6_hdr, l4_hdr);
759 uint16_t cksum = __rte_ipv6_udptcp_cksum_mbuf(m, ipv6_hdr, l4_off);
768#define RTE_IPV6_EHDR_MF_SHIFT 0
769#define RTE_IPV6_EHDR_MF_MASK 1
770#define RTE_IPV6_EHDR_FO_SHIFT 3
771#define RTE_IPV6_EHDR_FO_MASK (~((1 << RTE_IPV6_EHDR_FO_SHIFT) - 1))
772#define RTE_IPV6_EHDR_FO_ALIGN (1 << RTE_IPV6_EHDR_FO_SHIFT)
774#define RTE_IPV6_FRAG_USED_MASK (RTE_IPV6_EHDR_MF_MASK | RTE_IPV6_EHDR_FO_MASK)
776#define RTE_IPV6_GET_MF(x) ((x) & RTE_IPV6_EHDR_MF_MASK)
777#define RTE_IPV6_GET_FO(x) ((x) >> RTE_IPV6_EHDR_FO_SHIFT)
779#define RTE_IPV6_SET_FRAG_DATA(fo, mf) \
780 (((fo) & RTE_IPV6_EHDR_FO_MASK) | ((mf) & RTE_IPV6_EHDR_MF_MASK))
782struct rte_ipv6_fragment_ext {
790#define RTE_IPV6_FRAG_HDR_SIZE sizeof(struct rte_ipv6_fragment_ext)
817 *ext_len = (*p + 2) *
sizeof(uint32_t);
820 case IPPROTO_HOPOPTS:
821 case IPPROTO_ROUTING:
822 case IPPROTO_DSTOPTS:
824 *ext_len = (*p + 1) *
sizeof(uint64_t);
827 case IPPROTO_FRAGMENT:
829 *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)
#define RTE_ALIGN_FLOOR(val, align)
#define RTE_PTR_ADD(ptr, 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 __rte_experimental uint16_t rte_ipv6_udptcp_cksum_mbuf(const struct rte_mbuf *m, const struct rte_ipv6_hdr *ipv6_hdr, uint16_t l4_off)
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 uint16_t rte_ipv4_udptcp_cksum_mbuf(const struct rte_mbuf *m, const struct rte_ipv4_hdr *ipv4_hdr, uint16_t l4_off)
static __rte_experimental int rte_ipv4_udptcp_cksum_mbuf_verify(const struct rte_mbuf *m, const struct rte_ipv4_hdr *ipv4_hdr, uint16_t l4_off)
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)
static __rte_experimental int rte_ipv6_udptcp_cksum_mbuf_verify(const struct rte_mbuf *m, const struct rte_ipv6_hdr *ipv6_hdr, uint16_t l4_off)
#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