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net/szedata2: add stat of mbuf allocation failures

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Signed-off-by: Matej Vido <vido@cesnet.cz>
This commit is contained in:
Matej Vido 2018-04-04 15:42:20 +02:00 committed by Ferruh Yigit
parent 4d0229f77c
commit 99ad0f1bb0
1 changed files with 23 additions and 8 deletions
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31
drivers/net/szedata2/rte_eth_szedata2.c
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@ -67,7 +67,16 @@
#define SZEDATA2_DEV_PATH_FMT "/dev/szedataII%u"
struct pmd_internals {
struct rte_eth_dev *dev;
uint16_t max_rx_queues;
uint16_t max_tx_queues;
char sze_dev[PATH_MAX];
struct rte_mem_resource *pci_rsc;
};
struct szedata2_rx_queue {
struct pmd_internals *priv;
struct szedata *sze;
uint8_t rx_channel;
uint16_t in_port;
@ -78,6 +87,7 @@ struct szedata2_rx_queue {
};
struct szedata2_tx_queue {
struct pmd_internals *priv;
struct szedata *sze;
uint8_t tx_channel;
volatile uint64_t tx_pkts;
@ -85,13 +95,6 @@ struct szedata2_tx_queue {
volatile uint64_t err_pkts;
};
struct pmd_internals {
uint16_t max_rx_queues;
uint16_t max_tx_queues;
char sze_dev[PATH_MAX];
struct rte_mem_resource *pci_rsc;
};
static struct ether_addr eth_addr = {
.addr_bytes = { 0x00, 0x11, 0x17, 0x00, 0x00, 0x00 }
};
@ -130,8 +133,10 @@ eth_szedata2_rx(void *queue,
for (i = 0; i < nb_pkts; i++) {
mbuf = rte_pktmbuf_alloc(sze_q->mb_pool);
if (unlikely(mbuf == NULL))
if (unlikely(mbuf == NULL)) {
sze_q->priv->dev->data->rx_mbuf_alloc_failed++;
break;
}
/* get the next sze packet */
if (sze->ct_rx_lck != NULL && !sze->ct_rx_rem_bytes &&
@ -351,6 +356,8 @@ eth_szedata2_rx_scattered(void *queue,
uint16_t packet_len1 = 0;
uint16_t packet_len2 = 0;
uint16_t hw_data_align;
uint64_t *mbuf_failed_ptr =
&sze_q->priv->dev->data->rx_mbuf_alloc_failed;
if (unlikely(sze_q->sze == NULL || nb_pkts == 0))
return 0;
@ -538,6 +545,7 @@ eth_szedata2_rx_scattered(void *queue,
sze->ct_rx_lck = ct_rx_lck_backup;
sze->ct_rx_rem_bytes = ct_rx_rem_bytes_backup;
sze->ct_rx_cur_ptr = ct_rx_cur_ptr_backup;
sze_q->priv->dev->data->rx_mbuf_alloc_failed++;
break;
}
@ -587,6 +595,7 @@ eth_szedata2_rx_scattered(void *queue,
ct_rx_rem_bytes_backup;
sze->ct_rx_cur_ptr =
ct_rx_cur_ptr_backup;
(*mbuf_failed_ptr)++;
goto finish;
}
@ -630,6 +639,7 @@ eth_szedata2_rx_scattered(void *queue,
ct_rx_rem_bytes_backup;
sze->ct_rx_cur_ptr =
ct_rx_cur_ptr_backup;
(*mbuf_failed_ptr)++;
goto finish;
}
@ -1086,6 +1096,7 @@ eth_stats_get(struct rte_eth_dev *dev,
stats->ibytes = rx_total_bytes;
stats->obytes = tx_total_bytes;
stats->oerrors = tx_err_total;
stats->rx_nombuf = dev->data->rx_mbuf_alloc_failed;
return 0;
}
@ -1290,6 +1301,7 @@ eth_rx_queue_setup(struct rte_eth_dev *dev,
return -ENOMEM;
}
rxq->priv = internals;
rxq->sze = szedata_open(internals->sze_dev);
if (rxq->sze == NULL) {
RTE_LOG(ERR, PMD, "szedata_open() failed for rx queue id "
@ -1346,6 +1358,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev,
return -ENOMEM;
}
txq->priv = internals;
txq->sze = szedata_open(internals->sze_dev);
if (txq->sze == NULL) {
RTE_LOG(ERR, PMD, "szedata_open() failed for tx queue id "
@ -1543,6 +1556,8 @@ rte_szedata2_eth_dev_init(struct rte_eth_dev *dev)
pci_addr->domain, pci_addr->bus, pci_addr->devid,
pci_addr->function);
internals->dev = dev;
/* Get index of szedata2 device file and create path to device file */
ret = get_szedata2_index(pci_addr, &szedata2_index);
if (ret != 0) {