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36 #include <rte_ethdev.h>
37 #include <rte_common.h>
39 #include "base/fm10k_type.h"
41 #include <tmmintrin.h>
43 #ifndef __INTEL_COMPILER
44 #pragma GCC diagnostic ignored "-Wcast-qual"
47 int __attribute__((cold))
48 fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq)
51 struct rte_mbuf mb_def = { .buf_addr = 0 }; /* zeroed mbuf */
54 /* data_off will be ajusted after new mbuf allocated for 512-byte
57 mb_def.data_off = RTE_PKTMBUF_HEADROOM;
58 mb_def.port = rxq->port_id;
59 rte_mbuf_refcnt_set(&mb_def, 1);
61 /* prevent compiler reordering: rearm_data covers previous fields */
62 rte_compiler_barrier();
63 p = (uintptr_t)&mb_def.rearm_data;
64 rxq->mbuf_initializer = *(uint64_t *)p;