[dpdk-dev] [PATCH v4 09/10] examples/tep_termination:add bad Rx checksum statistics of inner IP and L4

Jijiang Liu jijiang.liu at intel.com
Thu Jun 18 03:03:36 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 |   10 ++++++++++
 examples/tep_termination/vxlan_setup.h |    2 ++
 4 files changed, 25 insertions(+), 1 deletions(-)

diff --git a/examples/tep_termination/main.c b/examples/tep_termination/main.c
index 7b8246c..3b1e94a 100644
--- a/examples/tep_termination/main.c
+++ b/examples/tep_termination/main.c
@@ -1068,7 +1068,7 @@ 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' };
@@ -1093,12 +1093,18 @@ 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,
@@ -1106,6 +1112,8 @@ 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 20fa5b3..a34301a 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 a1cd218..2341f9e 100644
--- a/examples/tep_termination/vxlan_setup.c
+++ b/examples/tep_termination/vxlan_setup.c
@@ -427,6 +427,16 @@ vxlan_rx_pkts(struct virtio_net *dev, struct rte_mbuf **pkts_burst,
 	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;
diff --git a/examples/tep_termination/vxlan_setup.h b/examples/tep_termination/vxlan_setup.h
index 96442e2..189d491 100644
--- a/examples/tep_termination/vxlan_setup.h
+++ b/examples/tep_termination/vxlan_setup.h
@@ -39,6 +39,8 @@ extern uint16_t udp_port;
 extern uint8_t filter_idx;
 extern uint8_t ports[RTE_MAX_ETHPORTS];
 extern struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+extern uint32_t enable_stats;
+extern struct device_statistics dev_statistics[MAX_DEVICES];
 
 typedef int (*ol_port_configure_t)(uint8_t port,
 				   struct rte_mempool *mbuf_pool);
-- 
1.7.7.6



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