#include <rte_kvargs.h>
#include <rte_malloc.h>
#include <rte_mbuf.h>
+#include <rte_mbuf_dyn.h>
#include <rte_bus_vdev.h>
#include <rte_string_fns.h>
volatile unsigned long err_pkts;
};
+struct queue_missed_stat {
+ /* last value retrieved from pcap */
+ unsigned int pcap;
+ /* stores values lost by pcap stop or rollover */
+ unsigned long mnemonic;
+ /* value on last reset */
+ unsigned long reset;
+};
+
struct pcap_rx_queue {
uint16_t port_id;
uint16_t queue_id;
struct rte_mempool *mb_pool;
struct queue_stat rx_stat;
+ struct queue_missed_stat missed_stat;
char name[PATH_MAX];
char type[ETH_PCAP_ARG_MAXLEN];
rte_log(RTE_LOG_ ## level, eth_pcap_logtype, \
"%s(): " fmt "\n", __func__, ##args)
+static struct queue_missed_stat*
+queue_missed_stat_update(struct rte_eth_dev *dev, unsigned int qid)
+{
+ struct pmd_internals *internals = dev->data->dev_private;
+ struct queue_missed_stat *missed_stat =
+ &internals->rx_queue[qid].missed_stat;
+ const struct pmd_process_private *pp = dev->process_private;
+ pcap_t *pcap = pp->rx_pcap[qid];
+ struct pcap_stat stat;
+
+ if (!pcap || (pcap_stats(pcap, &stat) != 0))
+ return missed_stat;
+
+ /* rollover check - best effort fixup assuming single rollover */
+ if (stat.ps_drop < missed_stat->pcap)
+ missed_stat->mnemonic += UINT_MAX;
+ missed_stat->pcap = stat.ps_drop;
+
+ return missed_stat;
+}
+
+static void
+queue_missed_stat_on_stop_update(struct rte_eth_dev *dev, unsigned int qid)
+{
+ struct queue_missed_stat *missed_stat =
+ queue_missed_stat_update(dev, qid);
+
+ missed_stat->mnemonic += missed_stat->pcap;
+ missed_stat->pcap = 0;
+}
+
+static void
+queue_missed_stat_reset(struct rte_eth_dev *dev, unsigned int qid)
+{
+ struct queue_missed_stat *missed_stat =
+ queue_missed_stat_update(dev, qid);
+
+ missed_stat->reset = missed_stat->pcap;
+ missed_stat->mnemonic = 0;
+}
+
+static unsigned long
+queue_missed_stat_get(struct rte_eth_dev *dev, unsigned int qid)
+{
+ const struct queue_missed_stat *missed_stat =
+ queue_missed_stat_update(dev, qid);
+
+ return missed_stat->pcap + missed_stat->mnemonic - missed_stat->reset;
+}
+
static int
eth_pcap_rx_jumbo(struct rte_mempool *mb_pool, struct rte_mbuf *mbuf,
const u_char *data, uint16_t data_len)
return 0;
for (i = 0; i < nb_pkts; i++) {
- tx_bytes += bufs[i]->data_len;
+ tx_bytes += bufs[i]->pkt_len;
rte_pktmbuf_free(bufs[i]);
}
/* Special iface case. Single pcap is open and shared between tx/rx. */
if (internals->single_iface) {
- pcap_close(pp->tx_pcap[0]);
- pp->tx_pcap[0] = NULL;
- pp->rx_pcap[0] = NULL;
+ queue_missed_stat_on_stop_update(dev, 0);
+ if (pp->tx_pcap[0] != NULL) {
+ pcap_close(pp->tx_pcap[0]);
+ pp->tx_pcap[0] = NULL;
+ pp->rx_pcap[0] = NULL;
+ }
goto status_down;
}
for (i = 0; i < dev->data->nb_rx_queues; i++) {
if (pp->rx_pcap[i] != NULL) {
+ queue_missed_stat_on_stop_update(dev, i);
pcap_close(pp->rx_pcap[i]);
pp->rx_pcap[i] = NULL;
}
{
unsigned int i;
unsigned long rx_packets_total = 0, rx_bytes_total = 0;
+ unsigned long rx_missed_total = 0;
unsigned long tx_packets_total = 0, tx_bytes_total = 0;
unsigned long tx_packets_err_total = 0;
const struct pmd_internals *internal = dev->data->dev_private;
stats->q_ibytes[i] = internal->rx_queue[i].rx_stat.bytes;
rx_packets_total += stats->q_ipackets[i];
rx_bytes_total += stats->q_ibytes[i];
+ rx_missed_total += queue_missed_stat_get(dev, i);
}
for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS &&
stats->ipackets = rx_packets_total;
stats->ibytes = rx_bytes_total;
+ stats->imissed = rx_missed_total;
stats->opackets = tx_packets_total;
stats->obytes = tx_bytes_total;
stats->oerrors = tx_packets_err_total;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
internal->rx_queue[i].rx_stat.pkts = 0;
internal->rx_queue[i].rx_stat.bytes = 0;
+ queue_missed_stat_reset(dev, i);
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
return 0;
}
+static inline void
+infinite_rx_ring_free(struct rte_ring *pkts)
+{
+ struct rte_mbuf *bufs;
+
+ while (!rte_ring_dequeue(pkts, (void **)&bufs))
+ rte_pktmbuf_free(bufs);
+
+ rte_ring_free(pkts);
+}
+
static int
eth_dev_close(struct rte_eth_dev *dev)
{
PMD_LOG(INFO, "Closing pcap ethdev on NUMA socket %d",
rte_socket_id());
+ eth_dev_stop(dev);
+
rte_free(dev->process_private);
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
if (internals->infinite_rx) {
for (i = 0; i < dev->data->nb_rx_queues; i++) {
struct pcap_rx_queue *pcap_q = &internals->rx_queue[i];
- struct rte_mbuf *pcap_buf;
/*
* 'pcap_q->pkts' can be NULL if 'eth_dev_close()'
if (pcap_q->pkts == NULL)
continue;
- while (!rte_ring_dequeue(pcap_q->pkts,
- (void **)&pcap_buf))
- rte_pktmbuf_free(pcap_buf);
-
- rte_ring_free(pcap_q->pkts);
+ infinite_rx_ring_free(pcap_q->pkts);
}
}
pcap_pkt_count = count_packets_in_pcap(pcap, pcap_q);
- snprintf(ring_name, sizeof(ring_name), "PCAP_RING%" PRIu16,
+ snprintf(ring_name, sizeof(ring_name), "PCAP_RING%" PRIu32,
ring_number);
pcap_q->pkts = rte_ring_create(ring_name,
while (eth_pcap_rx(pcap_q, bufs, 1)) {
/* Check for multiseg mbufs. */
if (bufs[0]->nb_segs != 1) {
- rte_pktmbuf_free(*bufs);
-
- while (!rte_ring_dequeue(pcap_q->pkts,
- (void **)bufs))
- rte_pktmbuf_free(*bufs);
-
- rte_ring_free(pcap_q->pkts);
- PMD_LOG(ERR, "Multiseg mbufs are not supported in infinite_rx "
- "mode.");
+ infinite_rx_ring_free(pcap_q->pkts);
+ PMD_LOG(ERR,
+ "Multiseg mbufs are not supported in infinite_rx mode.");
return -EINVAL;
}
rte_ring_enqueue_bulk(pcap_q->pkts,
(void * const *)bufs, 1, NULL);
}
+
+ if (rte_ring_count(pcap_q->pkts) < pcap_pkt_count) {
+ infinite_rx_ring_free(pcap_q->pkts);
+ PMD_LOG(ERR,
+ "Not enough mbufs to accommodate packets in pcap file. "
+ "At least %" PRIu64 " mbufs per queue is required.",
+ pcap_pkt_count);
+ return -EINVAL;
+ }
+
/*
* Reset the stats for this queue since eth_pcap_rx calls above
* didn't result in the application receiving packets.
git.droids-corp.org / dpdk.git / blobdiff