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/*-
* BSD LICENSE
*
* Copyright (c) 2015-2017 Atomic Rules LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include "ark_logs.h"
#include "ark_udm.h"
int
ark_udm_verify(struct ark_udm_t *udm)
{
if (sizeof(struct ark_udm_t) != ARK_UDM_EXPECT_SIZE) {
PMD_DRV_LOG(ERR,
"ARK: UDM structure looks incorrect %d vs %zd\n",
ARK_UDM_EXPECT_SIZE, sizeof(struct ark_udm_t));
return -1;
}
if (udm->setup.const0 != ARK_UDM_CONST) {
PMD_DRV_LOG(ERR,
"ARK: UDM module not found as expected 0x%08x\n",
udm->setup.const0);
return -1;
}
return 0;
}
int
ark_udm_stop(struct ark_udm_t *udm, const int wait)
{
int cnt = 0;
udm->cfg.command = 2;
while (wait && (udm->cfg.stop_flushed & 0x01) == 0) {
if (cnt++ > 1000)
return 1;
usleep(10);
}
return 0;
}
int
ark_udm_reset(struct ark_udm_t *udm)
{
int status;
status = ark_udm_stop(udm, 1);
if (status != 0) {
PMD_DEBUG_LOG(INFO, "%s stop failed doing forced reset\n",
__func__);
udm->cfg.command = 4;
usleep(10);
udm->cfg.command = 3;
status = ark_udm_stop(udm, 0);
PMD_DEBUG_LOG(INFO, "%s stop status %d post failure"
" and forced reset\n",
__func__, status);
} else {
udm->cfg.command = 3;
}
return status;
}
void
ark_udm_start(struct ark_udm_t *udm)
{
udm->cfg.command = 1;
}
void
ark_udm_stats_reset(struct ark_udm_t *udm)
{
udm->pcibp.pci_clear = 1;
udm->tlp_ps.tlp_clear = 1;
}
void
ark_udm_configure(struct ark_udm_t *udm,
uint32_t headroom,
uint32_t dataroom,
uint32_t write_interval_ns)
{
/* headroom and data room are in DWords in the UDM */
udm->cfg.dataroom = dataroom / 4;
udm->cfg.headroom = headroom / 4;
/* 4 NS period ns */
udm->rt_cfg.write_interval = write_interval_ns / 4;
}
void
ark_udm_write_addr(struct ark_udm_t *udm, phys_addr_t addr)
{
udm->rt_cfg.hw_prod_addr = addr;
}
int
ark_udm_is_flushed(struct ark_udm_t *udm)
{
return (udm->cfg.stop_flushed & 0x01) != 0;
}
uint64_t
ark_udm_dropped(struct ark_udm_t *udm)
{
return udm->qstats.q_pkt_drop;
}
uint64_t
ark_udm_bytes(struct ark_udm_t *udm)
{
return udm->qstats.q_byte_count;
}
uint64_t
ark_udm_packets(struct ark_udm_t *udm)
{
return udm->qstats.q_ff_packet_count;
}
void
ark_udm_dump_stats(struct ark_udm_t *udm, const char *msg)
{
PMD_STATS_LOG(INFO, "UDM Stats: %s"
ARK_SU64 ARK_SU64 ARK_SU64 ARK_SU64 ARK_SU64 "\n",
msg,
"Pkts Received", udm->stats.rx_packet_count,
"Pkts Finalized", udm->stats.rx_sent_packets,
"Pkts Dropped", udm->tlp.pkt_drop,
"Bytes Count", udm->stats.rx_byte_count,
"MBuf Count", udm->stats.rx_mbuf_count);
}
void
ark_udm_dump_queue_stats(struct ark_udm_t *udm, const char *msg, uint16_t qid)
{
PMD_STATS_LOG(INFO, "UDM Queue %3u Stats: %s"
ARK_SU64 ARK_SU64
ARK_SU64 ARK_SU64
ARK_SU64 "\n",
qid, msg,
"Pkts Received", udm->qstats.q_packet_count,
"Pkts Finalized", udm->qstats.q_ff_packet_count,
"Pkts Dropped", udm->qstats.q_pkt_drop,
"Bytes Count", udm->qstats.q_byte_count,
"MBuf Count", udm->qstats.q_mbuf_count);
}
void
ark_udm_dump(struct ark_udm_t *udm, const char *msg)
{
PMD_DEBUG_LOG(DEBUG, "UDM Dump: %s Stopped: %d\n", msg,
udm->cfg.stop_flushed);
}
void
ark_udm_dump_setup(struct ark_udm_t *udm, uint16_t q_id)
{
PMD_DEBUG_LOG(DEBUG, "UDM Setup Q: %u"
ARK_SU64X ARK_SU32 "\n",
q_id,
"hw_prod_addr", udm->rt_cfg.hw_prod_addr,
"prod_idx", udm->rt_cfg.prod_idx);
}
void
ark_udm_dump_perf(struct ark_udm_t *udm, const char *msg)
{
struct ark_udm_pcibp_t *bp = &udm->pcibp;
PMD_STATS_LOG(INFO, "UDM Performance %s"
ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32
"\n",
msg,
"PCI Empty", bp->pci_empty,
"PCI Q1", bp->pci_q1,
"PCI Q2", bp->pci_q2,
"PCI Q3", bp->pci_q3,
"PCI Q4", bp->pci_q4,
"PCI Full", bp->pci_full);
}
void
ark_udm_queue_stats_reset(struct ark_udm_t *udm)
{
udm->qstats.q_byte_count = 1;
}
void
ark_udm_queue_enable(struct ark_udm_t *udm, int enable)
{
udm->qstats.q_enable = enable ? 1 : 0;
}
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