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34 #ifndef _RTE_NET_PTYPE_H_
35 #define _RTE_NET_PTYPE_H_
42 * Structure containing header lengths associated to a packet, filled
43 * by rte_net_get_ptype().
45 struct rte_net_hdr_lens {
56 * Parse an Ethernet packet to get its packet type.
58 * This function parses the network headers in mbuf data and return its
61 * If it is provided by the user, it also fills a rte_net_hdr_lens
62 * structure that contains the lengths of the parsed network
63 * headers. Each length field is valid only if the associated packet
64 * type is set. For instance, hdr_lens->l2_len is valid only if
65 * (retval & RTE_PTYPE_L2_MASK) != RTE_PTYPE_UNKNOWN.
67 * Supported packet types are:
68 * L2: Ether, Vlan, QinQ
71 * Tunnels: IPv4, IPv6, Gre, Nvgre
74 * The packet mbuf to be parsed.
76 * A pointer to a structure where the header lengths will be returned,
79 * List of layers to parse. The function will stop at the first
80 * empty layer. Examples:
81 * - To parse all known layers, use RTE_PTYPE_ALL_MASK.
82 * - To parse only L2 and L3, use RTE_PTYPE_L2_MASK | RTE_PTYPE_L3_MASK
84 * The packet type of the packet.
86 uint32_t rte_net_get_ptype(const struct rte_mbuf *m,
87 struct rte_net_hdr_lens *hdr_lens, uint32_t layers);
94 #endif /* _RTE_NET_PTYPE_H_ */