976 lines
32 KiB
C
976 lines
32 KiB
C
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/* Statistics for Ocelot switch family
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*
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* Copyright (c) 2017 Microsemi Corporation
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* Copyright 2022 NXP
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*/
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#include <linux/ethtool_netlink.h>
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#include <linux/spinlock.h>
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#include <linux/mutex.h>
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#include <linux/workqueue.h>
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#include "ocelot.h"
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enum ocelot_stat {
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OCELOT_STAT_RX_OCTETS,
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OCELOT_STAT_RX_UNICAST,
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OCELOT_STAT_RX_MULTICAST,
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OCELOT_STAT_RX_BROADCAST,
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OCELOT_STAT_RX_SHORTS,
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OCELOT_STAT_RX_FRAGMENTS,
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OCELOT_STAT_RX_JABBERS,
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OCELOT_STAT_RX_CRC_ALIGN_ERRS,
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OCELOT_STAT_RX_SYM_ERRS,
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OCELOT_STAT_RX_64,
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OCELOT_STAT_RX_65_127,
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OCELOT_STAT_RX_128_255,
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OCELOT_STAT_RX_256_511,
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OCELOT_STAT_RX_512_1023,
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OCELOT_STAT_RX_1024_1526,
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OCELOT_STAT_RX_1527_MAX,
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OCELOT_STAT_RX_PAUSE,
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OCELOT_STAT_RX_CONTROL,
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OCELOT_STAT_RX_LONGS,
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OCELOT_STAT_RX_CLASSIFIED_DROPS,
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OCELOT_STAT_RX_RED_PRIO_0,
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OCELOT_STAT_RX_RED_PRIO_1,
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OCELOT_STAT_RX_RED_PRIO_2,
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OCELOT_STAT_RX_RED_PRIO_3,
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OCELOT_STAT_RX_RED_PRIO_4,
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OCELOT_STAT_RX_RED_PRIO_5,
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OCELOT_STAT_RX_RED_PRIO_6,
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OCELOT_STAT_RX_RED_PRIO_7,
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OCELOT_STAT_RX_YELLOW_PRIO_0,
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OCELOT_STAT_RX_YELLOW_PRIO_1,
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OCELOT_STAT_RX_YELLOW_PRIO_2,
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OCELOT_STAT_RX_YELLOW_PRIO_3,
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OCELOT_STAT_RX_YELLOW_PRIO_4,
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OCELOT_STAT_RX_YELLOW_PRIO_5,
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OCELOT_STAT_RX_YELLOW_PRIO_6,
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OCELOT_STAT_RX_YELLOW_PRIO_7,
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OCELOT_STAT_RX_GREEN_PRIO_0,
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OCELOT_STAT_RX_GREEN_PRIO_1,
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OCELOT_STAT_RX_GREEN_PRIO_2,
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OCELOT_STAT_RX_GREEN_PRIO_3,
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OCELOT_STAT_RX_GREEN_PRIO_4,
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OCELOT_STAT_RX_GREEN_PRIO_5,
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OCELOT_STAT_RX_GREEN_PRIO_6,
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OCELOT_STAT_RX_GREEN_PRIO_7,
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OCELOT_STAT_RX_ASSEMBLY_ERRS,
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OCELOT_STAT_RX_SMD_ERRS,
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OCELOT_STAT_RX_ASSEMBLY_OK,
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OCELOT_STAT_RX_MERGE_FRAGMENTS,
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OCELOT_STAT_RX_PMAC_OCTETS,
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OCELOT_STAT_RX_PMAC_UNICAST,
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OCELOT_STAT_RX_PMAC_MULTICAST,
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OCELOT_STAT_RX_PMAC_BROADCAST,
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OCELOT_STAT_RX_PMAC_SHORTS,
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OCELOT_STAT_RX_PMAC_FRAGMENTS,
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OCELOT_STAT_RX_PMAC_JABBERS,
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OCELOT_STAT_RX_PMAC_CRC_ALIGN_ERRS,
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OCELOT_STAT_RX_PMAC_SYM_ERRS,
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OCELOT_STAT_RX_PMAC_64,
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OCELOT_STAT_RX_PMAC_65_127,
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OCELOT_STAT_RX_PMAC_128_255,
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OCELOT_STAT_RX_PMAC_256_511,
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OCELOT_STAT_RX_PMAC_512_1023,
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OCELOT_STAT_RX_PMAC_1024_1526,
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OCELOT_STAT_RX_PMAC_1527_MAX,
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OCELOT_STAT_RX_PMAC_PAUSE,
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OCELOT_STAT_RX_PMAC_CONTROL,
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OCELOT_STAT_RX_PMAC_LONGS,
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OCELOT_STAT_TX_OCTETS,
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OCELOT_STAT_TX_UNICAST,
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OCELOT_STAT_TX_MULTICAST,
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OCELOT_STAT_TX_BROADCAST,
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OCELOT_STAT_TX_COLLISION,
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OCELOT_STAT_TX_DROPS,
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OCELOT_STAT_TX_PAUSE,
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OCELOT_STAT_TX_64,
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OCELOT_STAT_TX_65_127,
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OCELOT_STAT_TX_128_255,
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OCELOT_STAT_TX_256_511,
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OCELOT_STAT_TX_512_1023,
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OCELOT_STAT_TX_1024_1526,
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OCELOT_STAT_TX_1527_MAX,
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OCELOT_STAT_TX_YELLOW_PRIO_0,
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OCELOT_STAT_TX_YELLOW_PRIO_1,
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OCELOT_STAT_TX_YELLOW_PRIO_2,
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OCELOT_STAT_TX_YELLOW_PRIO_3,
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OCELOT_STAT_TX_YELLOW_PRIO_4,
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OCELOT_STAT_TX_YELLOW_PRIO_5,
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OCELOT_STAT_TX_YELLOW_PRIO_6,
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OCELOT_STAT_TX_YELLOW_PRIO_7,
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OCELOT_STAT_TX_GREEN_PRIO_0,
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OCELOT_STAT_TX_GREEN_PRIO_1,
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OCELOT_STAT_TX_GREEN_PRIO_2,
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OCELOT_STAT_TX_GREEN_PRIO_3,
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OCELOT_STAT_TX_GREEN_PRIO_4,
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OCELOT_STAT_TX_GREEN_PRIO_5,
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OCELOT_STAT_TX_GREEN_PRIO_6,
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OCELOT_STAT_TX_GREEN_PRIO_7,
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OCELOT_STAT_TX_AGED,
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OCELOT_STAT_TX_MM_HOLD,
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OCELOT_STAT_TX_MERGE_FRAGMENTS,
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OCELOT_STAT_TX_PMAC_OCTETS,
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OCELOT_STAT_TX_PMAC_UNICAST,
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OCELOT_STAT_TX_PMAC_MULTICAST,
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OCELOT_STAT_TX_PMAC_BROADCAST,
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OCELOT_STAT_TX_PMAC_PAUSE,
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OCELOT_STAT_TX_PMAC_64,
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OCELOT_STAT_TX_PMAC_65_127,
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OCELOT_STAT_TX_PMAC_128_255,
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OCELOT_STAT_TX_PMAC_256_511,
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OCELOT_STAT_TX_PMAC_512_1023,
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OCELOT_STAT_TX_PMAC_1024_1526,
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OCELOT_STAT_TX_PMAC_1527_MAX,
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OCELOT_STAT_DROP_LOCAL,
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OCELOT_STAT_DROP_TAIL,
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OCELOT_STAT_DROP_YELLOW_PRIO_0,
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OCELOT_STAT_DROP_YELLOW_PRIO_1,
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OCELOT_STAT_DROP_YELLOW_PRIO_2,
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OCELOT_STAT_DROP_YELLOW_PRIO_3,
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OCELOT_STAT_DROP_YELLOW_PRIO_4,
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OCELOT_STAT_DROP_YELLOW_PRIO_5,
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OCELOT_STAT_DROP_YELLOW_PRIO_6,
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OCELOT_STAT_DROP_YELLOW_PRIO_7,
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OCELOT_STAT_DROP_GREEN_PRIO_0,
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OCELOT_STAT_DROP_GREEN_PRIO_1,
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OCELOT_STAT_DROP_GREEN_PRIO_2,
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OCELOT_STAT_DROP_GREEN_PRIO_3,
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OCELOT_STAT_DROP_GREEN_PRIO_4,
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OCELOT_STAT_DROP_GREEN_PRIO_5,
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OCELOT_STAT_DROP_GREEN_PRIO_6,
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OCELOT_STAT_DROP_GREEN_PRIO_7,
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OCELOT_NUM_STATS,
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};
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struct ocelot_stat_layout {
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u32 reg;
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char name[ETH_GSTRING_LEN];
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};
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/* 32-bit counter checked for wraparound by ocelot_port_update_stats()
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* and copied to ocelot->stats.
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*/
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#define OCELOT_STAT(kind) \
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[OCELOT_STAT_ ## kind] = { .reg = SYS_COUNT_ ## kind }
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/* Same as above, except also exported to ethtool -S. Standard counters should
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* only be exposed to more specific interfaces rather than by their string name.
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*/
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#define OCELOT_STAT_ETHTOOL(kind, ethtool_name) \
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[OCELOT_STAT_ ## kind] = { .reg = SYS_COUNT_ ## kind, .name = ethtool_name }
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#define OCELOT_COMMON_STATS \
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OCELOT_STAT_ETHTOOL(RX_OCTETS, "rx_octets"), \
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OCELOT_STAT_ETHTOOL(RX_UNICAST, "rx_unicast"), \
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OCELOT_STAT_ETHTOOL(RX_MULTICAST, "rx_multicast"), \
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OCELOT_STAT_ETHTOOL(RX_BROADCAST, "rx_broadcast"), \
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OCELOT_STAT_ETHTOOL(RX_SHORTS, "rx_shorts"), \
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OCELOT_STAT_ETHTOOL(RX_FRAGMENTS, "rx_fragments"), \
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OCELOT_STAT_ETHTOOL(RX_JABBERS, "rx_jabbers"), \
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OCELOT_STAT_ETHTOOL(RX_CRC_ALIGN_ERRS, "rx_crc_align_errs"), \
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OCELOT_STAT_ETHTOOL(RX_SYM_ERRS, "rx_sym_errs"), \
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OCELOT_STAT_ETHTOOL(RX_64, "rx_frames_below_65_octets"), \
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OCELOT_STAT_ETHTOOL(RX_65_127, "rx_frames_65_to_127_octets"), \
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OCELOT_STAT_ETHTOOL(RX_128_255, "rx_frames_128_to_255_octets"), \
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OCELOT_STAT_ETHTOOL(RX_256_511, "rx_frames_256_to_511_octets"), \
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OCELOT_STAT_ETHTOOL(RX_512_1023, "rx_frames_512_to_1023_octets"), \
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OCELOT_STAT_ETHTOOL(RX_1024_1526, "rx_frames_1024_to_1526_octets"), \
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OCELOT_STAT_ETHTOOL(RX_1527_MAX, "rx_frames_over_1526_octets"), \
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OCELOT_STAT_ETHTOOL(RX_PAUSE, "rx_pause"), \
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OCELOT_STAT_ETHTOOL(RX_CONTROL, "rx_control"), \
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OCELOT_STAT_ETHTOOL(RX_LONGS, "rx_longs"), \
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OCELOT_STAT_ETHTOOL(RX_CLASSIFIED_DROPS, "rx_classified_drops"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_0, "rx_red_prio_0"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_1, "rx_red_prio_1"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_2, "rx_red_prio_2"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_3, "rx_red_prio_3"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_4, "rx_red_prio_4"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_5, "rx_red_prio_5"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_6, "rx_red_prio_6"), \
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OCELOT_STAT_ETHTOOL(RX_RED_PRIO_7, "rx_red_prio_7"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_0, "rx_yellow_prio_0"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_1, "rx_yellow_prio_1"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_2, "rx_yellow_prio_2"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_3, "rx_yellow_prio_3"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_4, "rx_yellow_prio_4"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_5, "rx_yellow_prio_5"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_6, "rx_yellow_prio_6"), \
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OCELOT_STAT_ETHTOOL(RX_YELLOW_PRIO_7, "rx_yellow_prio_7"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_0, "rx_green_prio_0"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_1, "rx_green_prio_1"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_2, "rx_green_prio_2"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_3, "rx_green_prio_3"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_4, "rx_green_prio_4"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_5, "rx_green_prio_5"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_6, "rx_green_prio_6"), \
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OCELOT_STAT_ETHTOOL(RX_GREEN_PRIO_7, "rx_green_prio_7"), \
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OCELOT_STAT_ETHTOOL(TX_OCTETS, "tx_octets"), \
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OCELOT_STAT_ETHTOOL(TX_UNICAST, "tx_unicast"), \
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OCELOT_STAT_ETHTOOL(TX_MULTICAST, "tx_multicast"), \
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OCELOT_STAT_ETHTOOL(TX_BROADCAST, "tx_broadcast"), \
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OCELOT_STAT_ETHTOOL(TX_COLLISION, "tx_collision"), \
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OCELOT_STAT_ETHTOOL(TX_DROPS, "tx_drops"), \
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OCELOT_STAT_ETHTOOL(TX_PAUSE, "tx_pause"), \
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OCELOT_STAT_ETHTOOL(TX_64, "tx_frames_below_65_octets"), \
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OCELOT_STAT_ETHTOOL(TX_65_127, "tx_frames_65_to_127_octets"), \
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OCELOT_STAT_ETHTOOL(TX_128_255, "tx_frames_128_255_octets"), \
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OCELOT_STAT_ETHTOOL(TX_256_511, "tx_frames_256_511_octets"), \
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OCELOT_STAT_ETHTOOL(TX_512_1023, "tx_frames_512_1023_octets"), \
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OCELOT_STAT_ETHTOOL(TX_1024_1526, "tx_frames_1024_1526_octets"), \
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OCELOT_STAT_ETHTOOL(TX_1527_MAX, "tx_frames_over_1526_octets"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_0, "tx_yellow_prio_0"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_1, "tx_yellow_prio_1"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_2, "tx_yellow_prio_2"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_3, "tx_yellow_prio_3"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_4, "tx_yellow_prio_4"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_5, "tx_yellow_prio_5"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_6, "tx_yellow_prio_6"), \
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OCELOT_STAT_ETHTOOL(TX_YELLOW_PRIO_7, "tx_yellow_prio_7"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_0, "tx_green_prio_0"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_1, "tx_green_prio_1"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_2, "tx_green_prio_2"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_3, "tx_green_prio_3"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_4, "tx_green_prio_4"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_5, "tx_green_prio_5"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_6, "tx_green_prio_6"), \
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OCELOT_STAT_ETHTOOL(TX_GREEN_PRIO_7, "tx_green_prio_7"), \
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OCELOT_STAT_ETHTOOL(TX_AGED, "tx_aged"), \
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OCELOT_STAT_ETHTOOL(DROP_LOCAL, "drop_local"), \
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OCELOT_STAT_ETHTOOL(DROP_TAIL, "drop_tail"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_0, "drop_yellow_prio_0"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_1, "drop_yellow_prio_1"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_2, "drop_yellow_prio_2"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_3, "drop_yellow_prio_3"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_4, "drop_yellow_prio_4"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_5, "drop_yellow_prio_5"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_6, "drop_yellow_prio_6"), \
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OCELOT_STAT_ETHTOOL(DROP_YELLOW_PRIO_7, "drop_yellow_prio_7"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_0, "drop_green_prio_0"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_1, "drop_green_prio_1"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_2, "drop_green_prio_2"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_3, "drop_green_prio_3"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_4, "drop_green_prio_4"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_5, "drop_green_prio_5"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_6, "drop_green_prio_6"), \
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OCELOT_STAT_ETHTOOL(DROP_GREEN_PRIO_7, "drop_green_prio_7")
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struct ocelot_stats_region {
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struct list_head node;
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u32 base;
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enum ocelot_stat first_stat;
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int count;
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u32 *buf;
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};
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static const struct ocelot_stat_layout ocelot_stats_layout[OCELOT_NUM_STATS] = {
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OCELOT_COMMON_STATS,
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};
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static const struct ocelot_stat_layout ocelot_mm_stats_layout[OCELOT_NUM_STATS] = {
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OCELOT_COMMON_STATS,
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OCELOT_STAT(RX_ASSEMBLY_ERRS),
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OCELOT_STAT(RX_SMD_ERRS),
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OCELOT_STAT(RX_ASSEMBLY_OK),
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OCELOT_STAT(RX_MERGE_FRAGMENTS),
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OCELOT_STAT(TX_MERGE_FRAGMENTS),
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OCELOT_STAT(TX_MM_HOLD),
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OCELOT_STAT(RX_PMAC_OCTETS),
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OCELOT_STAT(RX_PMAC_UNICAST),
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OCELOT_STAT(RX_PMAC_MULTICAST),
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OCELOT_STAT(RX_PMAC_BROADCAST),
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OCELOT_STAT(RX_PMAC_SHORTS),
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OCELOT_STAT(RX_PMAC_FRAGMENTS),
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OCELOT_STAT(RX_PMAC_JABBERS),
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OCELOT_STAT(RX_PMAC_CRC_ALIGN_ERRS),
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OCELOT_STAT(RX_PMAC_SYM_ERRS),
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OCELOT_STAT(RX_PMAC_64),
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OCELOT_STAT(RX_PMAC_65_127),
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OCELOT_STAT(RX_PMAC_128_255),
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OCELOT_STAT(RX_PMAC_256_511),
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OCELOT_STAT(RX_PMAC_512_1023),
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OCELOT_STAT(RX_PMAC_1024_1526),
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OCELOT_STAT(RX_PMAC_1527_MAX),
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OCELOT_STAT(RX_PMAC_PAUSE),
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OCELOT_STAT(RX_PMAC_CONTROL),
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OCELOT_STAT(RX_PMAC_LONGS),
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OCELOT_STAT(TX_PMAC_OCTETS),
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OCELOT_STAT(TX_PMAC_UNICAST),
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OCELOT_STAT(TX_PMAC_MULTICAST),
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OCELOT_STAT(TX_PMAC_BROADCAST),
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OCELOT_STAT(TX_PMAC_PAUSE),
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OCELOT_STAT(TX_PMAC_64),
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OCELOT_STAT(TX_PMAC_65_127),
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OCELOT_STAT(TX_PMAC_128_255),
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OCELOT_STAT(TX_PMAC_256_511),
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OCELOT_STAT(TX_PMAC_512_1023),
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OCELOT_STAT(TX_PMAC_1024_1526),
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OCELOT_STAT(TX_PMAC_1527_MAX),
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};
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|
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static const struct ocelot_stat_layout *
|
|
ocelot_get_stats_layout(struct ocelot *ocelot)
|
|
{
|
|
if (ocelot->mm_supported)
|
|
return ocelot_mm_stats_layout;
|
|
|
|
return ocelot_stats_layout;
|
|
}
|
|
|
|
/* Read the counters from hardware and keep them in region->buf.
|
|
* Caller must hold &ocelot->stat_view_lock.
|
|
*/
|
|
static int ocelot_port_update_stats(struct ocelot *ocelot, int port)
|
|
{
|
|
struct ocelot_stats_region *region;
|
|
int err;
|
|
|
|
/* Configure the port to read the stats from */
|
|
ocelot_write(ocelot, SYS_STAT_CFG_STAT_VIEW(port), SYS_STAT_CFG);
|
|
|
|
list_for_each_entry(region, &ocelot->stats_regions, node) {
|
|
err = ocelot_bulk_read(ocelot, region->base, region->buf,
|
|
region->count);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Transfer the counters from region->buf to ocelot->stats.
|
|
* Caller must hold &ocelot->stat_view_lock and &ocelot->stats_lock.
|
|
*/
|
|
static void ocelot_port_transfer_stats(struct ocelot *ocelot, int port)
|
|
{
|
|
struct ocelot_stats_region *region;
|
|
int j;
|
|
|
|
list_for_each_entry(region, &ocelot->stats_regions, node) {
|
|
unsigned int idx = port * OCELOT_NUM_STATS + region->first_stat;
|
|
|
|
for (j = 0; j < region->count; j++) {
|
|
u64 *stat = &ocelot->stats[idx + j];
|
|
u64 val = region->buf[j];
|
|
|
|
if (val < (*stat & U32_MAX))
|
|
*stat += (u64)1 << 32;
|
|
|
|
*stat = (*stat & ~(u64)U32_MAX) + val;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ocelot_check_stats_work(struct work_struct *work)
|
|
{
|
|
struct delayed_work *del_work = to_delayed_work(work);
|
|
struct ocelot *ocelot = container_of(del_work, struct ocelot,
|
|
stats_work);
|
|
int port, err;
|
|
|
|
mutex_lock(&ocelot->stat_view_lock);
|
|
|
|
for (port = 0; port < ocelot->num_phys_ports; port++) {
|
|
err = ocelot_port_update_stats(ocelot, port);
|
|
if (err)
|
|
break;
|
|
|
|
spin_lock(&ocelot->stats_lock);
|
|
ocelot_port_transfer_stats(ocelot, port);
|
|
spin_unlock(&ocelot->stats_lock);
|
|
}
|
|
|
|
if (!err && ocelot->ops->update_stats)
|
|
ocelot->ops->update_stats(ocelot);
|
|
|
|
mutex_unlock(&ocelot->stat_view_lock);
|
|
|
|
if (err)
|
|
dev_err(ocelot->dev, "Error %d updating ethtool stats\n", err);
|
|
|
|
queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work,
|
|
OCELOT_STATS_CHECK_DELAY);
|
|
}
|
|
|
|
void ocelot_get_strings(struct ocelot *ocelot, int port, u32 sset, u8 *data)
|
|
{
|
|
const struct ocelot_stat_layout *layout;
|
|
int i;
|
|
|
|
if (sset != ETH_SS_STATS)
|
|
return;
|
|
|
|
layout = ocelot_get_stats_layout(ocelot);
|
|
|
|
for (i = 0; i < OCELOT_NUM_STATS; i++) {
|
|
if (layout[i].name[0] == '\0')
|
|
continue;
|
|
|
|
memcpy(data, layout[i].name, ETH_GSTRING_LEN);
|
|
data += ETH_GSTRING_LEN;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(ocelot_get_strings);
|
|
|
|
/* Update ocelot->stats for the given port and run the given callback */
|
|
static void ocelot_port_stats_run(struct ocelot *ocelot, int port, void *priv,
|
|
void (*cb)(struct ocelot *ocelot, int port,
|
|
void *priv))
|
|
{
|
|
int err;
|
|
|
|
mutex_lock(&ocelot->stat_view_lock);
|
|
|
|
err = ocelot_port_update_stats(ocelot, port);
|
|
if (err) {
|
|
dev_err(ocelot->dev, "Failed to update port %d stats: %pe\n",
|
|
port, ERR_PTR(err));
|
|
goto out_unlock;
|
|
}
|
|
|
|
spin_lock(&ocelot->stats_lock);
|
|
|
|
ocelot_port_transfer_stats(ocelot, port);
|
|
cb(ocelot, port, priv);
|
|
|
|
spin_unlock(&ocelot->stats_lock);
|
|
|
|
out_unlock:
|
|
mutex_unlock(&ocelot->stat_view_lock);
|
|
}
|
|
|
|
int ocelot_get_sset_count(struct ocelot *ocelot, int port, int sset)
|
|
{
|
|
const struct ocelot_stat_layout *layout;
|
|
int i, num_stats = 0;
|
|
|
|
if (sset != ETH_SS_STATS)
|
|
return -EOPNOTSUPP;
|
|
|
|
layout = ocelot_get_stats_layout(ocelot);
|
|
|
|
for (i = 0; i < OCELOT_NUM_STATS; i++)
|
|
if (layout[i].name[0] != '\0')
|
|
num_stats++;
|
|
|
|
return num_stats;
|
|
}
|
|
EXPORT_SYMBOL(ocelot_get_sset_count);
|
|
|
|
static void ocelot_port_ethtool_stats_cb(struct ocelot *ocelot, int port,
|
|
void *priv)
|
|
{
|
|
const struct ocelot_stat_layout *layout;
|
|
u64 *data = priv;
|
|
int i;
|
|
|
|
layout = ocelot_get_stats_layout(ocelot);
|
|
|
|
/* Copy all supported counters */
|
|
for (i = 0; i < OCELOT_NUM_STATS; i++) {
|
|
int index = port * OCELOT_NUM_STATS + i;
|
|
|
|
if (layout[i].name[0] == '\0')
|
|
continue;
|
|
|
|
*data++ = ocelot->stats[index];
|
|
}
|
|
}
|
|
|
|
void ocelot_get_ethtool_stats(struct ocelot *ocelot, int port, u64 *data)
|
|
{
|
|
ocelot_port_stats_run(ocelot, port, data, ocelot_port_ethtool_stats_cb);
|
|
}
|
|
EXPORT_SYMBOL(ocelot_get_ethtool_stats);
|
|
|
|
static void ocelot_port_pause_stats_cb(struct ocelot *ocelot, int port, void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_pause_stats *pause_stats = priv;
|
|
|
|
pause_stats->tx_pause_frames = s[OCELOT_STAT_TX_PAUSE];
|
|
pause_stats->rx_pause_frames = s[OCELOT_STAT_RX_PAUSE];
|
|
}
|
|
|
|
static void ocelot_port_pmac_pause_stats_cb(struct ocelot *ocelot, int port,
|
|
void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_pause_stats *pause_stats = priv;
|
|
|
|
pause_stats->tx_pause_frames = s[OCELOT_STAT_TX_PMAC_PAUSE];
|
|
pause_stats->rx_pause_frames = s[OCELOT_STAT_RX_PMAC_PAUSE];
|
|
}
|
|
|
|
static void ocelot_port_mm_stats_cb(struct ocelot *ocelot, int port,
|
|
void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_mm_stats *stats = priv;
|
|
|
|
stats->MACMergeFrameAssErrorCount = s[OCELOT_STAT_RX_ASSEMBLY_ERRS];
|
|
stats->MACMergeFrameSmdErrorCount = s[OCELOT_STAT_RX_SMD_ERRS];
|
|
stats->MACMergeFrameAssOkCount = s[OCELOT_STAT_RX_ASSEMBLY_OK];
|
|
stats->MACMergeFragCountRx = s[OCELOT_STAT_RX_MERGE_FRAGMENTS];
|
|
stats->MACMergeFragCountTx = s[OCELOT_STAT_TX_MERGE_FRAGMENTS];
|
|
stats->MACMergeHoldCount = s[OCELOT_STAT_TX_MM_HOLD];
|
|
}
|
|
|
|
void ocelot_port_get_pause_stats(struct ocelot *ocelot, int port,
|
|
struct ethtool_pause_stats *pause_stats)
|
|
{
|
|
struct net_device *dev;
|
|
|
|
switch (pause_stats->src) {
|
|
case ETHTOOL_MAC_STATS_SRC_EMAC:
|
|
ocelot_port_stats_run(ocelot, port, pause_stats,
|
|
ocelot_port_pause_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_PMAC:
|
|
if (ocelot->mm_supported)
|
|
ocelot_port_stats_run(ocelot, port, pause_stats,
|
|
ocelot_port_pmac_pause_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
|
|
dev = ocelot->ops->port_to_netdev(ocelot, port);
|
|
ethtool_aggregate_pause_stats(dev, pause_stats);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(ocelot_port_get_pause_stats);
|
|
|
|
void ocelot_port_get_mm_stats(struct ocelot *ocelot, int port,
|
|
struct ethtool_mm_stats *stats)
|
|
{
|
|
if (!ocelot->mm_supported)
|
|
return;
|
|
|
|
ocelot_port_stats_run(ocelot, port, stats, ocelot_port_mm_stats_cb);
|
|
}
|
|
EXPORT_SYMBOL_GPL(ocelot_port_get_mm_stats);
|
|
|
|
static const struct ethtool_rmon_hist_range ocelot_rmon_ranges[] = {
|
|
{ 64, 64 },
|
|
{ 65, 127 },
|
|
{ 128, 255 },
|
|
{ 256, 511 },
|
|
{ 512, 1023 },
|
|
{ 1024, 1526 },
|
|
{ 1527, 65535 },
|
|
{},
|
|
};
|
|
|
|
static void ocelot_port_rmon_stats_cb(struct ocelot *ocelot, int port, void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_rmon_stats *rmon_stats = priv;
|
|
|
|
rmon_stats->undersize_pkts = s[OCELOT_STAT_RX_SHORTS];
|
|
rmon_stats->oversize_pkts = s[OCELOT_STAT_RX_LONGS];
|
|
rmon_stats->fragments = s[OCELOT_STAT_RX_FRAGMENTS];
|
|
rmon_stats->jabbers = s[OCELOT_STAT_RX_JABBERS];
|
|
|
|
rmon_stats->hist[0] = s[OCELOT_STAT_RX_64];
|
|
rmon_stats->hist[1] = s[OCELOT_STAT_RX_65_127];
|
|
rmon_stats->hist[2] = s[OCELOT_STAT_RX_128_255];
|
|
rmon_stats->hist[3] = s[OCELOT_STAT_RX_256_511];
|
|
rmon_stats->hist[4] = s[OCELOT_STAT_RX_512_1023];
|
|
rmon_stats->hist[5] = s[OCELOT_STAT_RX_1024_1526];
|
|
rmon_stats->hist[6] = s[OCELOT_STAT_RX_1527_MAX];
|
|
|
|
rmon_stats->hist_tx[0] = s[OCELOT_STAT_TX_64];
|
|
rmon_stats->hist_tx[1] = s[OCELOT_STAT_TX_65_127];
|
|
rmon_stats->hist_tx[2] = s[OCELOT_STAT_TX_128_255];
|
|
rmon_stats->hist_tx[3] = s[OCELOT_STAT_TX_128_255];
|
|
rmon_stats->hist_tx[4] = s[OCELOT_STAT_TX_256_511];
|
|
rmon_stats->hist_tx[5] = s[OCELOT_STAT_TX_512_1023];
|
|
rmon_stats->hist_tx[6] = s[OCELOT_STAT_TX_1024_1526];
|
|
}
|
|
|
|
static void ocelot_port_pmac_rmon_stats_cb(struct ocelot *ocelot, int port,
|
|
void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_rmon_stats *rmon_stats = priv;
|
|
|
|
rmon_stats->undersize_pkts = s[OCELOT_STAT_RX_PMAC_SHORTS];
|
|
rmon_stats->oversize_pkts = s[OCELOT_STAT_RX_PMAC_LONGS];
|
|
rmon_stats->fragments = s[OCELOT_STAT_RX_PMAC_FRAGMENTS];
|
|
rmon_stats->jabbers = s[OCELOT_STAT_RX_PMAC_JABBERS];
|
|
|
|
rmon_stats->hist[0] = s[OCELOT_STAT_RX_PMAC_64];
|
|
rmon_stats->hist[1] = s[OCELOT_STAT_RX_PMAC_65_127];
|
|
rmon_stats->hist[2] = s[OCELOT_STAT_RX_PMAC_128_255];
|
|
rmon_stats->hist[3] = s[OCELOT_STAT_RX_PMAC_256_511];
|
|
rmon_stats->hist[4] = s[OCELOT_STAT_RX_PMAC_512_1023];
|
|
rmon_stats->hist[5] = s[OCELOT_STAT_RX_PMAC_1024_1526];
|
|
rmon_stats->hist[6] = s[OCELOT_STAT_RX_PMAC_1527_MAX];
|
|
|
|
rmon_stats->hist_tx[0] = s[OCELOT_STAT_TX_PMAC_64];
|
|
rmon_stats->hist_tx[1] = s[OCELOT_STAT_TX_PMAC_65_127];
|
|
rmon_stats->hist_tx[2] = s[OCELOT_STAT_TX_PMAC_128_255];
|
|
rmon_stats->hist_tx[3] = s[OCELOT_STAT_TX_PMAC_128_255];
|
|
rmon_stats->hist_tx[4] = s[OCELOT_STAT_TX_PMAC_256_511];
|
|
rmon_stats->hist_tx[5] = s[OCELOT_STAT_TX_PMAC_512_1023];
|
|
rmon_stats->hist_tx[6] = s[OCELOT_STAT_TX_PMAC_1024_1526];
|
|
}
|
|
|
|
void ocelot_port_get_rmon_stats(struct ocelot *ocelot, int port,
|
|
struct ethtool_rmon_stats *rmon_stats,
|
|
const struct ethtool_rmon_hist_range **ranges)
|
|
{
|
|
struct net_device *dev;
|
|
|
|
*ranges = ocelot_rmon_ranges;
|
|
|
|
switch (rmon_stats->src) {
|
|
case ETHTOOL_MAC_STATS_SRC_EMAC:
|
|
ocelot_port_stats_run(ocelot, port, rmon_stats,
|
|
ocelot_port_rmon_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_PMAC:
|
|
if (ocelot->mm_supported)
|
|
ocelot_port_stats_run(ocelot, port, rmon_stats,
|
|
ocelot_port_pmac_rmon_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
|
|
dev = ocelot->ops->port_to_netdev(ocelot, port);
|
|
ethtool_aggregate_rmon_stats(dev, rmon_stats);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(ocelot_port_get_rmon_stats);
|
|
|
|
static void ocelot_port_ctrl_stats_cb(struct ocelot *ocelot, int port, void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_eth_ctrl_stats *ctrl_stats = priv;
|
|
|
|
ctrl_stats->MACControlFramesReceived = s[OCELOT_STAT_RX_CONTROL];
|
|
}
|
|
|
|
static void ocelot_port_pmac_ctrl_stats_cb(struct ocelot *ocelot, int port,
|
|
void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_eth_ctrl_stats *ctrl_stats = priv;
|
|
|
|
ctrl_stats->MACControlFramesReceived = s[OCELOT_STAT_RX_PMAC_CONTROL];
|
|
}
|
|
|
|
void ocelot_port_get_eth_ctrl_stats(struct ocelot *ocelot, int port,
|
|
struct ethtool_eth_ctrl_stats *ctrl_stats)
|
|
{
|
|
struct net_device *dev;
|
|
|
|
switch (ctrl_stats->src) {
|
|
case ETHTOOL_MAC_STATS_SRC_EMAC:
|
|
ocelot_port_stats_run(ocelot, port, ctrl_stats,
|
|
ocelot_port_ctrl_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_PMAC:
|
|
if (ocelot->mm_supported)
|
|
ocelot_port_stats_run(ocelot, port, ctrl_stats,
|
|
ocelot_port_pmac_ctrl_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
|
|
dev = ocelot->ops->port_to_netdev(ocelot, port);
|
|
ethtool_aggregate_ctrl_stats(dev, ctrl_stats);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(ocelot_port_get_eth_ctrl_stats);
|
|
|
|
static void ocelot_port_mac_stats_cb(struct ocelot *ocelot, int port, void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_eth_mac_stats *mac_stats = priv;
|
|
|
|
mac_stats->OctetsTransmittedOK = s[OCELOT_STAT_TX_OCTETS];
|
|
mac_stats->FramesTransmittedOK = s[OCELOT_STAT_TX_64] +
|
|
s[OCELOT_STAT_TX_65_127] +
|
|
s[OCELOT_STAT_TX_128_255] +
|
|
s[OCELOT_STAT_TX_256_511] +
|
|
s[OCELOT_STAT_TX_512_1023] +
|
|
s[OCELOT_STAT_TX_1024_1526] +
|
|
s[OCELOT_STAT_TX_1527_MAX];
|
|
mac_stats->OctetsReceivedOK = s[OCELOT_STAT_RX_OCTETS];
|
|
mac_stats->FramesReceivedOK = s[OCELOT_STAT_RX_GREEN_PRIO_0] +
|
|
s[OCELOT_STAT_RX_GREEN_PRIO_1] +
|
|
s[OCELOT_STAT_RX_GREEN_PRIO_2] +
|
|
s[OCELOT_STAT_RX_GREEN_PRIO_3] +
|
|
s[OCELOT_STAT_RX_GREEN_PRIO_4] +
|
|
s[OCELOT_STAT_RX_GREEN_PRIO_5] +
|
|
s[OCELOT_STAT_RX_GREEN_PRIO_6] +
|
|
s[OCELOT_STAT_RX_GREEN_PRIO_7] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_0] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_1] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_2] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_3] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_4] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_5] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_6] +
|
|
s[OCELOT_STAT_RX_YELLOW_PRIO_7];
|
|
mac_stats->MulticastFramesXmittedOK = s[OCELOT_STAT_TX_MULTICAST];
|
|
mac_stats->BroadcastFramesXmittedOK = s[OCELOT_STAT_TX_BROADCAST];
|
|
mac_stats->MulticastFramesReceivedOK = s[OCELOT_STAT_RX_MULTICAST];
|
|
mac_stats->BroadcastFramesReceivedOK = s[OCELOT_STAT_RX_BROADCAST];
|
|
mac_stats->FrameTooLongErrors = s[OCELOT_STAT_RX_LONGS];
|
|
/* Sadly, C_RX_CRC is the sum of FCS and alignment errors, they are not
|
|
* counted individually.
|
|
*/
|
|
mac_stats->FrameCheckSequenceErrors = s[OCELOT_STAT_RX_CRC_ALIGN_ERRS];
|
|
mac_stats->AlignmentErrors = s[OCELOT_STAT_RX_CRC_ALIGN_ERRS];
|
|
}
|
|
|
|
static void ocelot_port_pmac_mac_stats_cb(struct ocelot *ocelot, int port,
|
|
void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_eth_mac_stats *mac_stats = priv;
|
|
|
|
mac_stats->OctetsTransmittedOK = s[OCELOT_STAT_TX_PMAC_OCTETS];
|
|
mac_stats->FramesTransmittedOK = s[OCELOT_STAT_TX_PMAC_64] +
|
|
s[OCELOT_STAT_TX_PMAC_65_127] +
|
|
s[OCELOT_STAT_TX_PMAC_128_255] +
|
|
s[OCELOT_STAT_TX_PMAC_256_511] +
|
|
s[OCELOT_STAT_TX_PMAC_512_1023] +
|
|
s[OCELOT_STAT_TX_PMAC_1024_1526] +
|
|
s[OCELOT_STAT_TX_PMAC_1527_MAX];
|
|
mac_stats->OctetsReceivedOK = s[OCELOT_STAT_RX_PMAC_OCTETS];
|
|
mac_stats->FramesReceivedOK = s[OCELOT_STAT_RX_PMAC_64] +
|
|
s[OCELOT_STAT_RX_PMAC_65_127] +
|
|
s[OCELOT_STAT_RX_PMAC_128_255] +
|
|
s[OCELOT_STAT_RX_PMAC_256_511] +
|
|
s[OCELOT_STAT_RX_PMAC_512_1023] +
|
|
s[OCELOT_STAT_RX_PMAC_1024_1526] +
|
|
s[OCELOT_STAT_RX_PMAC_1527_MAX];
|
|
mac_stats->MulticastFramesXmittedOK = s[OCELOT_STAT_TX_PMAC_MULTICAST];
|
|
mac_stats->BroadcastFramesXmittedOK = s[OCELOT_STAT_TX_PMAC_BROADCAST];
|
|
mac_stats->MulticastFramesReceivedOK = s[OCELOT_STAT_RX_PMAC_MULTICAST];
|
|
mac_stats->BroadcastFramesReceivedOK = s[OCELOT_STAT_RX_PMAC_BROADCAST];
|
|
mac_stats->FrameTooLongErrors = s[OCELOT_STAT_RX_PMAC_LONGS];
|
|
/* Sadly, C_RX_CRC is the sum of FCS and alignment errors, they are not
|
|
* counted individually.
|
|
*/
|
|
mac_stats->FrameCheckSequenceErrors = s[OCELOT_STAT_RX_PMAC_CRC_ALIGN_ERRS];
|
|
mac_stats->AlignmentErrors = s[OCELOT_STAT_RX_PMAC_CRC_ALIGN_ERRS];
|
|
}
|
|
|
|
void ocelot_port_get_eth_mac_stats(struct ocelot *ocelot, int port,
|
|
struct ethtool_eth_mac_stats *mac_stats)
|
|
{
|
|
struct net_device *dev;
|
|
|
|
switch (mac_stats->src) {
|
|
case ETHTOOL_MAC_STATS_SRC_EMAC:
|
|
ocelot_port_stats_run(ocelot, port, mac_stats,
|
|
ocelot_port_mac_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_PMAC:
|
|
if (ocelot->mm_supported)
|
|
ocelot_port_stats_run(ocelot, port, mac_stats,
|
|
ocelot_port_pmac_mac_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
|
|
dev = ocelot->ops->port_to_netdev(ocelot, port);
|
|
ethtool_aggregate_mac_stats(dev, mac_stats);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(ocelot_port_get_eth_mac_stats);
|
|
|
|
static void ocelot_port_phy_stats_cb(struct ocelot *ocelot, int port, void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_eth_phy_stats *phy_stats = priv;
|
|
|
|
phy_stats->SymbolErrorDuringCarrier = s[OCELOT_STAT_RX_SYM_ERRS];
|
|
}
|
|
|
|
static void ocelot_port_pmac_phy_stats_cb(struct ocelot *ocelot, int port,
|
|
void *priv)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
struct ethtool_eth_phy_stats *phy_stats = priv;
|
|
|
|
phy_stats->SymbolErrorDuringCarrier = s[OCELOT_STAT_RX_PMAC_SYM_ERRS];
|
|
}
|
|
|
|
void ocelot_port_get_eth_phy_stats(struct ocelot *ocelot, int port,
|
|
struct ethtool_eth_phy_stats *phy_stats)
|
|
{
|
|
struct net_device *dev;
|
|
|
|
switch (phy_stats->src) {
|
|
case ETHTOOL_MAC_STATS_SRC_EMAC:
|
|
ocelot_port_stats_run(ocelot, port, phy_stats,
|
|
ocelot_port_phy_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_PMAC:
|
|
if (ocelot->mm_supported)
|
|
ocelot_port_stats_run(ocelot, port, phy_stats,
|
|
ocelot_port_pmac_phy_stats_cb);
|
|
break;
|
|
case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
|
|
dev = ocelot->ops->port_to_netdev(ocelot, port);
|
|
ethtool_aggregate_phy_stats(dev, phy_stats);
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL_GPL(ocelot_port_get_eth_phy_stats);
|
|
|
|
void ocelot_port_get_stats64(struct ocelot *ocelot, int port,
|
|
struct rtnl_link_stats64 *stats)
|
|
{
|
|
u64 *s = &ocelot->stats[port * OCELOT_NUM_STATS];
|
|
|
|
spin_lock(&ocelot->stats_lock);
|
|
|
|
/* Get Rx stats */
|
|
stats->rx_bytes = s[OCELOT_STAT_RX_OCTETS];
|
|
stats->rx_packets = s[OCELOT_STAT_RX_SHORTS] +
|
|
s[OCELOT_STAT_RX_FRAGMENTS] +
|
|
s[OCELOT_STAT_RX_JABBERS] +
|
|
s[OCELOT_STAT_RX_LONGS] +
|
|
s[OCELOT_STAT_RX_64] +
|
|
s[OCELOT_STAT_RX_65_127] +
|
|
s[OCELOT_STAT_RX_128_255] +
|
|
s[OCELOT_STAT_RX_256_511] +
|
|
s[OCELOT_STAT_RX_512_1023] +
|
|
s[OCELOT_STAT_RX_1024_1526] +
|
|
s[OCELOT_STAT_RX_1527_MAX];
|
|
stats->multicast = s[OCELOT_STAT_RX_MULTICAST];
|
|
stats->rx_missed_errors = s[OCELOT_STAT_DROP_TAIL];
|
|
stats->rx_dropped = s[OCELOT_STAT_RX_RED_PRIO_0] +
|
|
s[OCELOT_STAT_RX_RED_PRIO_1] +
|
|
s[OCELOT_STAT_RX_RED_PRIO_2] +
|
|
s[OCELOT_STAT_RX_RED_PRIO_3] +
|
|
s[OCELOT_STAT_RX_RED_PRIO_4] +
|
|
s[OCELOT_STAT_RX_RED_PRIO_5] +
|
|
s[OCELOT_STAT_RX_RED_PRIO_6] +
|
|
s[OCELOT_STAT_RX_RED_PRIO_7] +
|
|
s[OCELOT_STAT_DROP_LOCAL] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_0] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_1] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_2] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_3] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_4] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_5] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_6] +
|
|
s[OCELOT_STAT_DROP_YELLOW_PRIO_7] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_0] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_1] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_2] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_3] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_4] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_5] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_6] +
|
|
s[OCELOT_STAT_DROP_GREEN_PRIO_7];
|
|
|
|
/* Get Tx stats */
|
|
stats->tx_bytes = s[OCELOT_STAT_TX_OCTETS];
|
|
stats->tx_packets = s[OCELOT_STAT_TX_64] +
|
|
s[OCELOT_STAT_TX_65_127] +
|
|
s[OCELOT_STAT_TX_128_255] +
|
|
s[OCELOT_STAT_TX_256_511] +
|
|
s[OCELOT_STAT_TX_512_1023] +
|
|
s[OCELOT_STAT_TX_1024_1526] +
|
|
s[OCELOT_STAT_TX_1527_MAX];
|
|
stats->tx_dropped = s[OCELOT_STAT_TX_DROPS] +
|
|
s[OCELOT_STAT_TX_AGED];
|
|
stats->collisions = s[OCELOT_STAT_TX_COLLISION];
|
|
|
|
spin_unlock(&ocelot->stats_lock);
|
|
}
|
|
EXPORT_SYMBOL(ocelot_port_get_stats64);
|
|
|
|
static int ocelot_prepare_stats_regions(struct ocelot *ocelot)
|
|
{
|
|
struct ocelot_stats_region *region = NULL;
|
|
const struct ocelot_stat_layout *layout;
|
|
unsigned int last = 0;
|
|
int i;
|
|
|
|
INIT_LIST_HEAD(&ocelot->stats_regions);
|
|
|
|
layout = ocelot_get_stats_layout(ocelot);
|
|
|
|
for (i = 0; i < OCELOT_NUM_STATS; i++) {
|
|
if (!layout[i].reg)
|
|
continue;
|
|
|
|
if (region && ocelot->map[SYS][layout[i].reg & REG_MASK] ==
|
|
ocelot->map[SYS][last & REG_MASK] + 4) {
|
|
region->count++;
|
|
} else {
|
|
region = devm_kzalloc(ocelot->dev, sizeof(*region),
|
|
GFP_KERNEL);
|
|
if (!region)
|
|
return -ENOMEM;
|
|
|
|
/* enum ocelot_stat must be kept sorted in the same
|
|
* order as layout[i].reg in order to have efficient
|
|
* bulking
|
|
*/
|
|
WARN_ON(last >= layout[i].reg);
|
|
|
|
region->base = layout[i].reg;
|
|
region->first_stat = i;
|
|
region->count = 1;
|
|
list_add_tail(®ion->node, &ocelot->stats_regions);
|
|
}
|
|
|
|
last = layout[i].reg;
|
|
}
|
|
|
|
list_for_each_entry(region, &ocelot->stats_regions, node) {
|
|
region->buf = devm_kcalloc(ocelot->dev, region->count,
|
|
sizeof(*region->buf), GFP_KERNEL);
|
|
if (!region->buf)
|
|
return -ENOMEM;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ocelot_stats_init(struct ocelot *ocelot)
|
|
{
|
|
char queue_name[32];
|
|
int ret;
|
|
|
|
ocelot->stats = devm_kcalloc(ocelot->dev,
|
|
ocelot->num_phys_ports * OCELOT_NUM_STATS,
|
|
sizeof(u64), GFP_KERNEL);
|
|
if (!ocelot->stats)
|
|
return -ENOMEM;
|
|
|
|
snprintf(queue_name, sizeof(queue_name), "%s-stats",
|
|
dev_name(ocelot->dev));
|
|
ocelot->stats_queue = create_singlethread_workqueue(queue_name);
|
|
if (!ocelot->stats_queue)
|
|
return -ENOMEM;
|
|
|
|
spin_lock_init(&ocelot->stats_lock);
|
|
mutex_init(&ocelot->stat_view_lock);
|
|
|
|
ret = ocelot_prepare_stats_regions(ocelot);
|
|
if (ret) {
|
|
destroy_workqueue(ocelot->stats_queue);
|
|
return ret;
|
|
}
|
|
|
|
INIT_DELAYED_WORK(&ocelot->stats_work, ocelot_check_stats_work);
|
|
queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work,
|
|
OCELOT_STATS_CHECK_DELAY);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ocelot_stats_deinit(struct ocelot *ocelot)
|
|
{
|
|
cancel_delayed_work(&ocelot->stats_work);
|
|
destroy_workqueue(ocelot->stats_queue);
|
|
}
|
|
|