@@ -72,6 +72,45 @@ extern "C" {
*/
/**
+ * Protocol
+ */
+typedef enum odp_proto_t {
+ /** No protocol defined */
+ ODP_PROTO_NONE = 0,
+
+ /** Ethernet (including VLAN) */
+ ODP_PROTO_ETH,
+
+ /** IP version 4 */
+ ODP_PROTO_IPV4,
+
+ /** IP version 6 */
+ ODP_PROTO_IPV6
+
+} odp_proto_t;
+
+/**
+ * Protocol layer
+ */
+typedef enum odp_proto_layer_t {
+ /** No layers */
+ ODP_PROTO_LAYER_NONE = 0,
+
+ /** Layer L2 protocols (Ethernet, VLAN, etc) */
+ ODP_PROTO_LAYER_L2,
+
+ /** Layer L3 protocols (IPv4, IPv6, ICMP, IPSEC, etc) */
+ ODP_PROTO_LAYER_L3,
+
+ /** Layer L4 protocols (UDP, TCP, SCTP) */
+ ODP_PROTO_LAYER_L4,
+
+ /** All layers */
+ ODP_PROTO_LAYER_ALL
+
+} odp_proto_layer_t;
+
+/**
* Packet API data range specifier
*/
typedef struct odp_packet_data_range {
@@ -1140,6 +1179,82 @@ int odp_packet_move_data(odp_packet_t pkt, uint32_t dst_offset,
*/
/**
+ * Packet parse parameters
+ */
+typedef struct odp_packet_parse_param_t {
+ /** Protocol header at parse starting point. Valid values for this
+ * field are: ODP_PROTO_ETH, ODP_PROTO_IPV4, ODP_PROTO_IPV6. */
+ odp_proto_t proto;
+
+ /** Continue parsing until this layer. Must be the same or higher
+ * layer than the layer of 'proto'. */
+ odp_proto_layer_t layer;
+
+ /** Flags to control payload data checks up to the selected parse
+ * layer. Checksum checking status can be queried for each packet with
+ * odp_packet_l3_chksum_status() and odp_packet_l4_chksum_status().
+ */
+ union {
+ struct {
+ /** Check IPv4 header checksum */
+ uint32_t ipv4_chksum : 1;
+
+ /** Check UDP checksum */
+ uint32_t udp_chksum : 1;
+
+ /** Check TCP checksum */
+ uint32_t tcp_chksum : 1;
+
+ } check;
+
+ /** All check bits. This can be used to set/clear all flags. */
+ uint32_t all_check;
+ };
+
+} odp_packet_parse_param_t;
+
+/**
+ * Parse packet
+ *
+ * Parse protocol headers in packet data. Parsing starts at 'offset', which
+ * is the first header byte of protocol 'param.proto'. Parameter 'param.layer'
+ * defines the last layer application is interested about.
+ * Use ODP_PROTO_LAYER_ALL for all layers. The operation sets or resets packet
+ * metadata for all layers from the layer of 'param.proto' to the application
+ * defined last layer. Metadata of other layers have undefined values.
+ * When operation fails, metadata of all protocol layers have undefined values.
+ *
+ * @param pkt Packet handle
+ * @param offset Byte offset into the packet
+ * @param param Parse parameters. Proto and layer fields must be set. Clear
+ * all check bits that are not used.
+ *
+ * @retval 0 on success
+ * @retval <0 on failure
+ */
+int odp_packet_parse(odp_packet_t pkt, uint32_t offset,
+ const odp_packet_parse_param_t *param);
+
+/**
+ * Parse multiple packets
+ *
+ * Otherwise like odp_packet_parse(), but parses multiple packets. Packets may
+ * have unique offsets, but must start with the same protocol. Also, packets are
+ * parsed up to the same protocol layer.
+ *
+ * @param pkt Packet handle array
+ * @param offset Byte offsets into the packets
+ * @param num Number of packets and offsets
+ * @param param Parse parameters. Proto and layer fields must be set. Clear
+ * all check bits that are not used.
+ *
+ * @retval 0 on success
+ * @retval <0 on failure
+ */
+int odp_packet_parse_multi(const odp_packet_t pkt[], const uint32_t offset[],
+ int num, const odp_packet_parse_param_t *param);
+
+/**
* Packet pool
*
* Returns handle to the packet pool where the packet was allocated from.