1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2015-2018 Atomic Rules LLC
3 */
4
5 #include <unistd.h>
6
7 #include "ark_logs.h"
8 #include "ark_ddm.h"
9
10 static_assert(sizeof(union ark_tx_meta) == 8, "Unexpected struct size ark_tx_meta");
11
12 /* ************************************************************************* */
13 int
ark_ddm_verify(struct ark_ddm_t * ddm)14 ark_ddm_verify(struct ark_ddm_t *ddm)
15 {
16 uint32_t hw_const;
17 uint32_t hw_ver;
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));
21 return -1;
22 }
23
24 hw_const = ddm->cfg.idnum;
25 hw_ver = ddm->cfg.vernum;
26 if (hw_const == ARK_DDM_MODID && hw_ver == ARK_DDM_MODVER)
27 return 0;
28
29 ARK_PMD_LOG(ERR,
30 "ARK: DDM module not found as expected"
31 " id: %08x ver: %08x\n",
32 hw_const, hw_ver);
33 return -1;
34 }
35
36 void
ark_ddm_queue_enable(struct ark_ddm_t * ddm,int enable)37 ark_ddm_queue_enable(struct ark_ddm_t *ddm, int enable)
38 {
39 ddm->setup.qcommand = enable ? 1U : 0U;
40 }
41
42 void
ark_ddm_queue_setup(struct ark_ddm_t * ddm,rte_iova_t cons_addr)43 ark_ddm_queue_setup(struct ark_ddm_t *ddm, rte_iova_t cons_addr)
44 {
45 ddm->setup.cons_write_index_addr = cons_addr;
46 ddm->setup.cons_index = 0;
47 }
48
49 /* Global stats clear */
50 void
ark_ddm_stats_reset(struct ark_ddm_t * ddm)51 ark_ddm_stats_reset(struct ark_ddm_t *ddm)
52 {
53 ddm->cfg.tlp_stats_clear = 1;
54 }
55
56 void
ark_ddm_dump_stats(struct ark_ddm_t * ddm,const char * msg)57 ark_ddm_dump_stats(struct ark_ddm_t *ddm, const char *msg)
58 {
59 struct ark_ddm_stats_t *stats = &ddm->stats;
60
61 ARK_PMD_LOG(INFO, "DDM Stats: %s"
62 ARK_SU64 ARK_SU64 ARK_SU64
63 "\n", msg,
64 "Bytes:", stats->tx_byte_count,
65 "Packets:", stats->tx_pkt_count,
66 "MBufs", stats->tx_mbuf_count);
67 }
68
69 uint64_t
ark_ddm_queue_byte_count(struct ark_ddm_t * ddm)70 ark_ddm_queue_byte_count(struct ark_ddm_t *ddm)
71 {
72 return ddm->queue_stats.byte_count;
73 }
74
75 uint64_t
ark_ddm_queue_pkt_count(struct ark_ddm_t * ddm)76 ark_ddm_queue_pkt_count(struct ark_ddm_t *ddm)
77 {
78 return ddm->queue_stats.pkt_count;
79 }
80
81 void
ark_ddm_queue_reset_stats(struct ark_ddm_t * ddm)82 ark_ddm_queue_reset_stats(struct ark_ddm_t *ddm)
83 {
84 ddm->queue_stats.byte_count = 1;
85 }
86