38a4657ea4
- New firmware version for DDM (Downstream Data Mover) - Remove device-level start, stop, and reset operations - Add queue-based start, stop and reset as required by firmware Signed-off-by: Ed Czeck <ed.czeck@atomicrules.com>
86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2015-2018 Atomic Rules LLC
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*/
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#include <unistd.h>
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#include "ark_logs.h"
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#include "ark_ddm.h"
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static_assert(sizeof(union ark_tx_meta) == 8, "Unexpected struct size ark_tx_meta");
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/* ************************************************************************* */
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int
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ark_ddm_verify(struct ark_ddm_t *ddm)
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{
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uint32_t hw_const;
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uint32_t hw_ver;
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if (sizeof(struct ark_ddm_t) != ARK_DDM_EXPECTED_SIZE) {
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ARK_PMD_LOG(ERR, "DDM structure looks incorrect %d vs %zd\n",
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ARK_DDM_EXPECTED_SIZE, sizeof(struct ark_ddm_t));
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return -1;
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}
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hw_const = ddm->cfg.idnum;
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hw_ver = ddm->cfg.vernum;
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if (hw_const == ARK_DDM_MODID && hw_ver == ARK_DDM_MODVER)
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return 0;
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ARK_PMD_LOG(ERR,
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"ARK: DDM module not found as expected"
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" id: %08x ver: %08x\n",
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hw_const, hw_ver);
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return -1;
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}
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void
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ark_ddm_queue_enable(struct ark_ddm_t *ddm, int enable)
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{
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ddm->setup.qcommand = enable ? 1U : 0U;
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}
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void
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ark_ddm_queue_setup(struct ark_ddm_t *ddm, rte_iova_t cons_addr)
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{
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ddm->setup.cons_write_index_addr = cons_addr;
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ddm->setup.cons_index = 0;
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}
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/* Global stats clear */
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void
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ark_ddm_stats_reset(struct ark_ddm_t *ddm)
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{
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ddm->cfg.tlp_stats_clear = 1;
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}
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void
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ark_ddm_dump_stats(struct ark_ddm_t *ddm, const char *msg)
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{
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struct ark_ddm_stats_t *stats = &ddm->stats;
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ARK_PMD_LOG(INFO, "DDM Stats: %s"
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ARK_SU64 ARK_SU64 ARK_SU64
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"\n", msg,
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"Bytes:", stats->tx_byte_count,
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"Packets:", stats->tx_pkt_count,
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"MBufs", stats->tx_mbuf_count);
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}
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uint64_t
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ark_ddm_queue_byte_count(struct ark_ddm_t *ddm)
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{
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return ddm->queue_stats.byte_count;
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}
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uint64_t
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ark_ddm_queue_pkt_count(struct ark_ddm_t *ddm)
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{
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return ddm->queue_stats.pkt_count;
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}
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void
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ark_ddm_queue_reset_stats(struct ark_ddm_t *ddm)
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{
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ddm->queue_stats.byte_count = 1;
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}
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