ena.c (5517ca8486bfbf4d0cd369898f3e4d10cd614a9a) ena.c (1f67704e2cd85a507776312b52dc63d8690b9260)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2015-2023 Amazon.com, Inc. or its affiliates.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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3053
3054 return (0);
3055}
3056
3057static int
3058check_missing_comp_in_tx_queue(struct ena_adapter *adapter,
3059 struct ena_ring *tx_ring)
3060{
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2015-2023 Amazon.com, Inc. or its affiliates.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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3053
3054 return (0);
3055}
3056
3057static int
3058check_missing_comp_in_tx_queue(struct ena_adapter *adapter,
3059 struct ena_ring *tx_ring)
3060{
3061 uint32_t missed_tx = 0, new_missed_tx = 0;
3061 device_t pdev = adapter->pdev;
3062 struct bintime curtime, time;
3063 struct ena_tx_buffer *tx_buf;
3064 int time_since_last_cleanup;
3065 int missing_tx_comp_to;
3066 sbintime_t time_offset;
3062 device_t pdev = adapter->pdev;
3063 struct bintime curtime, time;
3064 struct ena_tx_buffer *tx_buf;
3065 int time_since_last_cleanup;
3066 int missing_tx_comp_to;
3067 sbintime_t time_offset;
3067 uint32_t missed_tx = 0;
3068 int i, rc = 0;
3069
3070 getbinuptime(&curtime);
3071
3072 for (i = 0; i < tx_ring->ring_size; i++) {
3073 tx_buf = &tx_ring->tx_buffer_info[i];
3074
3075 if (bintime_isset(&tx_buf->timestamp) == 0)

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3102 tx_ring->tx_last_cleanup_ticks);
3103 missing_tx_comp_to = sbttoms(
3104 adapter->missing_tx_timeout);
3105 ena_log(pdev, WARN,
3106 "Found a Tx that wasn't completed on time, qid %d, index %d. "
3107 "%d msecs have passed since last cleanup. Missing Tx timeout value %d msecs.\n",
3108 tx_ring->qid, i, time_since_last_cleanup,
3109 missing_tx_comp_to);
3068 int i, rc = 0;
3069
3070 getbinuptime(&curtime);
3071
3072 for (i = 0; i < tx_ring->ring_size; i++) {
3073 tx_buf = &tx_ring->tx_buffer_info[i];
3074
3075 if (bintime_isset(&tx_buf->timestamp) == 0)

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3102 tx_ring->tx_last_cleanup_ticks);
3103 missing_tx_comp_to = sbttoms(
3104 adapter->missing_tx_timeout);
3105 ena_log(pdev, WARN,
3106 "Found a Tx that wasn't completed on time, qid %d, index %d. "
3107 "%d msecs have passed since last cleanup. Missing Tx timeout value %d msecs.\n",
3108 tx_ring->qid, i, time_since_last_cleanup,
3109 missing_tx_comp_to);
3110 /* Add new TX completions which are missed */
3111 new_missed_tx++;
3110 }
3111
3112 tx_buf->print_once = false;
3113 missed_tx++;
3114 }
3115 }
3112 }
3113
3114 tx_buf->print_once = false;
3115 missed_tx++;
3116 }
3117 }
3116
3118 /* Checking if this TX ring missing TX completions have passed the threshold */
3117 if (unlikely(missed_tx > adapter->missing_tx_threshold)) {
3118 ena_log(pdev, ERR,
3119 "The number of lost tx completion is above the threshold "
3120 "(%d > %d). Reset the device\n",
3121 missed_tx, adapter->missing_tx_threshold);
3122 ena_trigger_reset(adapter, ENA_REGS_RESET_MISS_TX_CMPL);
3123 rc = EIO;
3124 }
3119 if (unlikely(missed_tx > adapter->missing_tx_threshold)) {
3120 ena_log(pdev, ERR,
3121 "The number of lost tx completion is above the threshold "
3122 "(%d > %d). Reset the device\n",
3123 missed_tx, adapter->missing_tx_threshold);
3124 ena_trigger_reset(adapter, ENA_REGS_RESET_MISS_TX_CMPL);
3125 rc = EIO;
3126 }
3127 /* Add the newly discovered missing TX completions */
3128 counter_u64_add(tx_ring->tx_stats.missing_tx_comp, new_missed_tx);
3125
3129
3126 counter_u64_add(tx_ring->tx_stats.missing_tx_comp, missed_tx);
3127
3128 return (rc);
3129}
3130
3131/*
3132 * Check for TX which were not completed on time.
3133 * Timeout is defined by "missing_tx_timeout".
3134 * Reset will be performed if number of incompleted
3135 * transactions exceeds "missing_tx_threshold".

--- 941 unchanged lines hidden --- 		3130 return (rc);
3131}
3132
3133/*
3134 * Check for TX which were not completed on time.
3135 * Timeout is defined by "missing_tx_timeout".
3136 * Reset will be performed if number of incompleted
3137 * transactions exceeds "missing_tx_threshold".

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