[dpdk-dev] [PATCH 09/10] examples/tep_termination:add bad Rx checksum statistics of inner IP and L4
Jijiang Liu
jijiang.liu at intel.com
Fri May 15 08:09:00 CEST 2015
The number of packets with bad RX IP and L4 checksum in inner header is recorded.
Signed-off-by: Jijiang Liu <jijiang.liu at intel.com>
---
examples/tep_termination/main.c | 10 +++++++++-
examples/tep_termination/main.h | 4 ++++
examples/tep_termination/vxlan_setup.c | 8 ++++++++
3 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/examples/tep_termination/main.c b/examples/tep_termination/main.c
index 144f8c8..04f517c 100644
--- a/examples/tep_termination/main.c
+++ b/examples/tep_termination/main.c
@@ -1004,7 +1004,7 @@ print_stats(void)
{
struct virtio_net_data_ll *dev_ll;
uint64_t tx_dropped, rx_dropped;
- uint64_t tx, tx_total, rx, rx_total;
+ uint64_t tx, tx_total, rx, rx_total, rx_ip_csum, rx_l4_csum;
uint32_t device_fh;
const char clr[] = { 27, '[', '2', 'J', '\0' };
const char top_left[] = { 27, '[', '1', ';', '1', 'H', '\0' };
@@ -1029,12 +1029,18 @@ print_stats(void)
rx = rte_atomic64_read(
&dev_statistics[device_fh].rx_atomic);
rx_dropped = rx_total - rx;
+ rx_ip_csum = rte_atomic64_read(
+ &dev_statistics[device_fh].rx_bad_ip_csum);
+ rx_l4_csum = rte_atomic64_read(
+ &dev_statistics[device_fh].rx_bad_l4_csum);
printf("\nStatistics for device %"PRIu32" ------------------------------"
"\nTX total: %"PRIu64""
"\nTX dropped: %"PRIu64""
"\nTX successful: %"PRIu64""
"\nRX total: %"PRIu64""
+ "\nRX bad IP csum: %"PRIu64""
+ "\nRX bad L4 csum: %"PRIu64""
"\nRX dropped: %"PRIu64""
"\nRX successful: %"PRIu64"",
device_fh,
@@ -1042,6 +1048,8 @@ print_stats(void)
tx_dropped,
tx,
rx_total,
+ rx_ip_csum,
+ rx_l4_csum,
rx_dropped,
rx);
diff --git a/examples/tep_termination/main.h b/examples/tep_termination/main.h
index 74c3d98..5cf1157 100644
--- a/examples/tep_termination/main.h
+++ b/examples/tep_termination/main.h
@@ -69,6 +69,10 @@ struct device_statistics {
uint64_t rx_total;
uint64_t tx;
rte_atomic64_t rx_atomic;
+ /**< Bad inner IP csum for tunneling pkt */
+ rte_atomic64_t rx_bad_ip_csum;
+ /**< Bad inner L4 csum for tunneling pkt */
+ rte_atomic64_t rx_bad_l4_csum;
} __rte_cache_aligned;
/**
diff --git a/examples/tep_termination/vxlan_setup.c b/examples/tep_termination/vxlan_setup.c
index af7eea9..141df25 100644
--- a/examples/tep_termination/vxlan_setup.c
+++ b/examples/tep_termination/vxlan_setup.c
@@ -79,6 +79,8 @@ extern uint16_t udp_port;
extern uint8_t ports[RTE_MAX_ETHPORTS];
extern uint8_t filter_idx;
extern uint16_t tso_segsz;
+extern uint32_t enable_stats;
+extern struct device_statistics dev_statistics[MAX_DEVICES];
/* ethernet addresses of ports */
extern struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
@@ -423,6 +425,12 @@ vxlan_rx_pkts (struct virtio_net *dev, struct rte_mbuf **pkts_burst, uint32_t rx
struct rte_mbuf *pkts_valid[rx_count];
for (i = 0; i < rx_count; i++) {
+ if (enable_stats) {
+ rte_atomic64_add(&dev_statistics[dev->device_fh].rx_bad_ip_csum,
+ (pkts_burst[i]->ol_flags & PKT_RX_IP_CKSUM_BAD) != 0);
+ rte_atomic64_add(&dev_statistics[dev->device_fh].rx_bad_ip_csum,
+ (pkts_burst[i]->ol_flags & PKT_RX_L4_CKSUM_BAD) != 0);
+ }
ret = vxlan_rx_process(pkts_burst[i]);
if (unlikely(ret < 0))
continue;
--
1.7.7.6
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