- return ofpbuf_size(a) == ofpbuf_size(b) &&
- memcmp(ofpbuf_data(a), ofpbuf_data(b), ofpbuf_size(a)) == 0;
-}
-
-/* Get the start if the Ethernet frame. 'l3_ofs' marks the end of the l2
- * headers, so return NULL if it is not set. */
-static inline void * ofpbuf_l2(const struct ofpbuf *b)
-{
- return (b->l3_ofs != UINT16_MAX) ? b->frame : NULL;
-}
-
-/* Sets the packet frame start pointer and resets all layer offsets.
- * l3 offset must be set before 'l2' can be retrieved. */
-static inline void ofpbuf_set_frame(struct ofpbuf *b, void *packet)
-{
- b->frame = packet;
- b->l2_pad_size = 0;
- b->l2_5_ofs = UINT16_MAX;
- b->l3_ofs = UINT16_MAX;
- b->l4_ofs = UINT16_MAX;
-}
-
-static inline uint8_t ofpbuf_l2_pad_size(const struct ofpbuf *b)
-{
- return b->l2_pad_size;
-}
-
-static inline void ofpbuf_set_l2_pad_size(struct ofpbuf *b, uint8_t pad_size)
-{
- ovs_assert(pad_size <= ofpbuf_size(b));
- b->l2_pad_size = pad_size;
-}
-
-static inline void * ofpbuf_l2_5(const struct ofpbuf *b)
-{
- return b->l2_5_ofs != UINT16_MAX ? (char *)b->frame + b->l2_5_ofs : NULL;
-}
-
-static inline void ofpbuf_set_l2_5(struct ofpbuf *b, void *l2_5)
-{
- b->l2_5_ofs = l2_5 ? (char *)l2_5 - (char *)b->frame : UINT16_MAX;
-}
-
-static inline void * ofpbuf_l3(const struct ofpbuf *b)
-{
- return b->l3_ofs != UINT16_MAX ? (char *)b->frame + b->l3_ofs : NULL;
-}
-
-static inline void ofpbuf_set_l3(struct ofpbuf *b, void *l3)
-{
- b->l3_ofs = l3 ? (char *)l3 - (char *)b->frame : UINT16_MAX;
-}
-
-static inline void * ofpbuf_l4(const struct ofpbuf *b)
-{
- return b->l4_ofs != UINT16_MAX ? (char *)b->frame + b->l4_ofs : NULL;
-}
-
-static inline void ofpbuf_set_l4(struct ofpbuf *b, void *l4)
-{
- b->l4_ofs = l4 ? (char *)l4 - (char *)b->frame : UINT16_MAX;
-}
-
-static inline size_t ofpbuf_l4_size(const struct ofpbuf *b)
-{
- return b->l4_ofs != UINT16_MAX
- ? (const char *)ofpbuf_tail(b) - (const char *)ofpbuf_l4(b)
- - ofpbuf_l2_pad_size(b)
- : 0;
-}
-
-static inline const void *ofpbuf_get_tcp_payload(const struct ofpbuf *b)
-{
- size_t l4_size = ofpbuf_l4_size(b);
-
- if (OVS_LIKELY(l4_size >= TCP_HEADER_LEN)) {
- struct tcp_header *tcp = ofpbuf_l4(b);
- int tcp_len = TCP_OFFSET(tcp->tcp_ctl) * 4;
-
- if (OVS_LIKELY(tcp_len >= TCP_HEADER_LEN && tcp_len <= l4_size)) {
- return (const char *)tcp + tcp_len;
- }
- }
- return NULL;
-}
-
-static inline const void *ofpbuf_get_udp_payload(const struct ofpbuf *b)
-{
- return OVS_LIKELY(ofpbuf_l4_size(b) >= UDP_HEADER_LEN)
- ? (const char *)ofpbuf_l4(b) + UDP_HEADER_LEN : NULL;
-}
-
-static inline const void *ofpbuf_get_sctp_payload(const struct ofpbuf *b)
-{
- return OVS_LIKELY(ofpbuf_l4_size(b) >= SCTP_HEADER_LEN)
- ? (const char *)ofpbuf_l4(b) + SCTP_HEADER_LEN : NULL;
-}
-
-static inline const void *ofpbuf_get_icmp_payload(const struct ofpbuf *b)
-{
- return OVS_LIKELY(ofpbuf_l4_size(b) >= ICMP_HEADER_LEN)
- ? (const char *)ofpbuf_l4(b) + ICMP_HEADER_LEN : NULL;
-}
-
-static inline const void *ofpbuf_get_nd_payload(const struct ofpbuf *b)
-{
- return OVS_LIKELY(ofpbuf_l4_size(b) >= ND_MSG_LEN)
- ? (const char *)ofpbuf_l4(b) + ND_MSG_LEN : NULL;
-}
-
-#ifdef DPDK_NETDEV
-BUILD_ASSERT_DECL(offsetof(struct ofpbuf, mbuf) == 0);
-
-static inline void * ofpbuf_data(const struct ofpbuf *b)
-{
- return b->mbuf.pkt.data;
-}
-
-static inline void ofpbuf_set_data(struct ofpbuf *b, void *d)
-{
- b->mbuf.pkt.data = d;
-}
-
-static inline void * ofpbuf_base(const struct ofpbuf *b)
-{
- return b->mbuf.buf_addr;
-}
-
-static inline void ofpbuf_set_base(struct ofpbuf *b, void *d)
-{
- b->mbuf.buf_addr = d;
-}
-
-static inline uint32_t ofpbuf_size(const struct ofpbuf *b)
-{
- return b->mbuf.pkt.pkt_len;
-}
-
-static inline void ofpbuf_set_size(struct ofpbuf *b, uint32_t v)
-{
- b->mbuf.pkt.data_len = v; /* Current seg length. */
- b->mbuf.pkt.pkt_len = v; /* Total length of all segments linked to
- * this segment. */
-}
-
-#else
-static inline void * ofpbuf_data(const struct ofpbuf *b)
-{
- return b->data_;
-}
-
-static inline void ofpbuf_set_data(struct ofpbuf *b, void *d)
-{
- b->data_ = d;
-}
-
-static inline void * ofpbuf_base(const struct ofpbuf *b)
-{
- return b->base_;
-}
-
-static inline void ofpbuf_set_base(struct ofpbuf *b, void *d)
-{
- b->base_ = d;
-}
-
-static inline uint32_t ofpbuf_size(const struct ofpbuf *b)
-{
- return b->size_;
-}
-
-static inline void ofpbuf_set_size(struct ofpbuf *b, uint32_t v)
-{
- b->size_ = v;
-}
-#endif
-
-static inline void ofpbuf_reset_packet(struct ofpbuf *b, int off)
-{
- ofpbuf_set_size(b, ofpbuf_size(b) - off);
- ofpbuf_set_data(b, (void *) ((unsigned char *) b->frame + off));
- b->frame = NULL;
- b->l2_5_ofs = b->l3_ofs = b->l4_ofs = UINT16_MAX;