1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2015-2018 Atomic Rules LLC
10 static_assert(sizeof(union ark_tx_meta) == 8, "Unexpected struct size ark_tx_meta");
12 /* ************************************************************************* */
14 ark_ddm_verify(struct ark_ddm_t *ddm)
18 if (sizeof(struct ark_ddm_t) != ARK_DDM_EXPECTED_SIZE) {
19 ARK_PMD_LOG(ERR, "DDM structure looks incorrect %d vs %zd\n",
20 ARK_DDM_EXPECTED_SIZE, sizeof(struct ark_ddm_t));
24 hw_const = ddm->cfg.idnum;
25 hw_ver = ddm->cfg.vernum;
26 if (hw_const == ARK_DDM_MODID && hw_ver == ARK_DDM_MODVER)
30 "ARK: DDM module not found as expected"
31 " id: %08x ver: %08x\n",
37 ark_ddm_queue_enable(struct ark_ddm_t *ddm, int enable)
39 ddm->setup.qcommand = enable ? 1U : 0U;
43 ark_ddm_queue_setup(struct ark_ddm_t *ddm, rte_iova_t cons_addr)
45 ddm->setup.cons_write_index_addr = cons_addr;
46 ddm->setup.cons_index = 0;
49 /* Global stats clear */
51 ark_ddm_stats_reset(struct ark_ddm_t *ddm)
53 ddm->cfg.tlp_stats_clear = 1;
57 ark_ddm_dump_stats(struct ark_ddm_t *ddm, const char *msg)
59 struct ark_ddm_stats_t *stats = &ddm->stats;
61 ARK_PMD_LOG(INFO, "DDM Stats: %s"
62 ARK_SU64 ARK_SU64 ARK_SU64
64 "Bytes:", stats->tx_byte_count,
65 "Packets:", stats->tx_pkt_count,
66 "MBufs", stats->tx_mbuf_count);
70 ark_ddm_queue_byte_count(struct ark_ddm_t *ddm)
72 return ddm->queue_stats.byte_count;
76 ark_ddm_queue_pkt_count(struct ark_ddm_t *ddm)
78 return ddm->queue_stats.pkt_count;
82 ark_ddm_queue_reset_stats(struct ark_ddm_t *ddm)
84 ddm->queue_stats.byte_count = 1;