#include <stdint.h>
+#include <rte_byteorder.h>
+
#ifdef __cplusplus
extern "C" {
#endif
/**
* TCP Header
*/
-struct tcp_hdr {
- uint16_t src_port; /**< TCP source port. */
- uint16_t dst_port; /**< TCP destination port. */
- uint32_t sent_seq; /**< TX data sequence number. */
- uint32_t recv_ack; /**< RX data acknowledgement sequence number. */
- uint8_t data_off; /**< Data offset. */
- uint8_t tcp_flags; /**< TCP flags */
- uint16_t rx_win; /**< RX flow control window. */
- uint16_t cksum; /**< TCP checksum. */
- uint16_t tcp_urp; /**< TCP urgent pointer, if any. */
-} __attribute__((__packed__));
+struct rte_tcp_hdr {
+ rte_be16_t src_port; /**< TCP source port. */
+ rte_be16_t dst_port; /**< TCP destination port. */
+ rte_be32_t sent_seq; /**< TX data sequence number. */
+ rte_be32_t recv_ack; /**< RX data acknowledgment sequence number. */
+ uint8_t data_off; /**< Data offset. */
+ uint8_t tcp_flags; /**< TCP flags */
+ rte_be16_t rx_win; /**< RX flow control window. */
+ rte_be16_t cksum; /**< TCP checksum. */
+ rte_be16_t tcp_urp; /**< TCP urgent pointer, if any. */
+} __rte_packed;
+
+/**
+ * TCP Flags
+ */
+#define RTE_TCP_CWR_FLAG 0x80 /**< Congestion Window Reduced */
+#define RTE_TCP_ECE_FLAG 0x40 /**< ECN-Echo */
+#define RTE_TCP_URG_FLAG 0x20 /**< Urgent Pointer field significant */
+#define RTE_TCP_ACK_FLAG 0x10 /**< Acknowledgment field significant */
+#define RTE_TCP_PSH_FLAG 0x08 /**< Push Function */
+#define RTE_TCP_RST_FLAG 0x04 /**< Reset the connection */
+#define RTE_TCP_SYN_FLAG 0x02 /**< Synchronize sequence numbers */
+#define RTE_TCP_FIN_FLAG 0x01 /**< No more data from sender */
#ifdef __cplusplus
}