/* Minimum GSO segment size for TCP based packets. */
#define RTE_GSO_SEG_SIZE_MIN (sizeof(struct rte_ether_hdr) + \
- sizeof(struct ipv4_hdr) + sizeof(struct tcp_hdr) + 1)
+ sizeof(struct rte_ipv4_hdr) + sizeof(struct rte_tcp_hdr) + 1)
/* Minimum GSO segment size for UDP based packets. */
#define RTE_GSO_UDP_SEG_SIZE_MIN (sizeof(struct rte_ether_hdr) + \
- sizeof(struct ipv4_hdr) + sizeof(struct udp_hdr) + 1)
+ sizeof(struct rte_ipv4_hdr) + sizeof(struct rte_udp_hdr) + 1)
/* GSO flags for rte_gso_ctx. */
#define RTE_GSO_FLAG_IPID_FIXED (1ULL << 0)
* the GSO segments are sent to should support transmission of multi-segment
* packets.
*
- * If the input packet is GSO'd, its mbuf refcnt reduces by 1. Therefore,
- * when all GSO segments are freed, the input packet is freed automatically.
+ * If the input packet is GSO'd, all the indirect segments are attached to the
+ * input packet.
+ *
+ * rte_gso_segment() will not free the input packet no matter whether it is
+ * GSO'd or not, the application should free it after calling rte_gso_segment().
*
* If the memory space in pkts_out or MBUF pools is insufficient, this
* function fails, and it returns (-1) * errno. Otherwise, GSO succeeds,
*
* @return
* - The number of GSO segments filled in pkts_out on success.
+ * - Return 0 if it does not need to be GSO'd.
* - Return -ENOMEM if run out of memory in MBUF pools.
* - Return -EINVAL for invalid parameters.
*/