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ena: Add missing statistics

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Provide the following sysctl statistics in order to stay aligned with
the Linux driver:
* rx_ring.csum_good
* tx_ring.unmask_interrupt_num

Also rename the 'bad_csum' statistic name to 'csum_bad' for alignment.

Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
This commit is contained in:
Artur Rojek 2021-08-12 10:34:29 +02:00 committed by Marcin Wojtas
parent 07aff471c0
commit 223c8cb12e
4 changed files with 19 additions and 5 deletions
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3
sys/dev/ena/ena.c
View file

@ -1874,6 +1874,7 @@ ena_unmask_all_io_irqs(struct ena_adapter *adapter)
{
struct ena_com_io_cq* io_cq;
struct ena_eth_io_intr_reg intr_reg;
struct ena_ring *tx_ring;
uint16_t ena_qid;
int i;
@ -1882,6 +1883,8 @@ ena_unmask_all_io_irqs(struct ena_adapter *adapter)
ena_qid = ENA_IO_TXQ_IDX(i);
io_cq = &adapter->ena_dev->io_cq_queues[ena_qid];
ena_com_update_intr_reg(&intr_reg, 0, 0, true);
tx_ring = &adapter->tx_ring[i];
counter_u64_add(tx_ring->tx_stats.unmask_interrupt_num, 1);
ena_com_unmask_intr(io_cq, &intr_reg);
}
}

4
sys/dev/ena/ena.h
View file

@ -280,19 +280,21 @@ struct ena_stats_tx {
counter_u64_t queue_wakeup;
counter_u64_t queue_stop;
counter_u64_t llq_buffer_copy;
counter_u64_t unmask_interrupt_num;
};
struct ena_stats_rx {
counter_u64_t cnt;
counter_u64_t bytes;
counter_u64_t refil_partial;
counter_u64_t bad_csum;
counter_u64_t csum_bad;
counter_u64_t mjum_alloc_fail;
counter_u64_t mbuf_alloc_fail;
counter_u64_t dma_mapping_err;
counter_u64_t bad_desc_num;
counter_u64_t bad_req_id;
counter_u64_t empty_rx_ring;
counter_u64_t csum_good;
};
struct ena_ring {

6
sys/dev/ena/ena_datapath.c
View file

@ -103,6 +103,7 @@ ena_cleanup(void *arg, int pending)
RX_IRQ_INTERVAL,
TX_IRQ_INTERVAL,
true);
counter_u64_add(tx_ring->tx_stats.unmask_interrupt_num, 1);
ena_com_unmask_intr(io_cq, &intr_reg);
}
@ -516,7 +517,7 @@ ena_rx_checksum(struct ena_ring *rx_ring, struct ena_com_rx_ctx *ena_rx_ctx,
ena_rx_ctx->l3_csum_err)) {
/* ipv4 checksum error */
mbuf->m_pkthdr.csum_flags = 0;
counter_u64_add(rx_ring->rx_stats.bad_csum, 1);
counter_u64_add(rx_ring->rx_stats.csum_bad, 1);
ena_log_io(pdev, DBG, "RX IPv4 header checksum error\n");
return;
}
@ -527,11 +528,12 @@ ena_rx_checksum(struct ena_ring *rx_ring, struct ena_com_rx_ctx *ena_rx_ctx,
if (ena_rx_ctx->l4_csum_err) {
/* TCP/UDP checksum error */
mbuf->m_pkthdr.csum_flags = 0;
counter_u64_add(rx_ring->rx_stats.bad_csum, 1);
counter_u64_add(rx_ring->rx_stats.csum_bad, 1);
ena_log_io(pdev, DBG, "RX L4 checksum error\n");
} else {
mbuf->m_pkthdr.csum_flags = CSUM_IP_CHECKED;
mbuf->m_pkthdr.csum_flags |= CSUM_IP_VALID;
counter_u64_add(rx_ring->rx_stats.csum_good, 1);
}
}
}

11
sys/dev/ena/ena_sysctl.c
View file

@ -238,6 +238,10 @@ ena_sysctl_add_stats(struct ena_adapter *adapter)
"llq_buffer_copy", CTLFLAG_RD,
&tx_stats->llq_buffer_copy,
"Header copies for llq transaction");
SYSCTL_ADD_COUNTER_U64(ctx, tx_list, OID_AUTO,
"unmask_interrupt_num", CTLFLAG_RD,
&tx_stats->unmask_interrupt_num,
"Unmasked interrupt count");
/* RX specific stats */
rx_node = SYSCTL_ADD_NODE(ctx, queue_list, OID_AUTO,
@ -256,8 +260,8 @@ ena_sysctl_add_stats(struct ena_adapter *adapter)
"refil_partial", CTLFLAG_RD,
&rx_stats->refil_partial, "Partial refilled mbufs");
SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
"bad_csum", CTLFLAG_RD,
&rx_stats->bad_csum, "Bad RX checksum");
"csum_bad", CTLFLAG_RD,
&rx_stats->csum_bad, "Bad RX checksum");
SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
"mbuf_alloc_fail", CTLFLAG_RD,
&rx_stats->mbuf_alloc_fail, "Failed mbuf allocs");
@ -276,6 +280,9 @@ ena_sysctl_add_stats(struct ena_adapter *adapter)
SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
"empty_rx_ring", CTLFLAG_RD,
&rx_stats->empty_rx_ring, "RX descriptors depletion count");
SYSCTL_ADD_COUNTER_U64(ctx, rx_list, OID_AUTO,
"csum_good", CTLFLAG_RD,
&rx_stats->csum_good, "Valid RX checksum calculations");
}
/* Stats read from device */