netdev - [PATCH bpf-next v2 2/6] selftests/bpf: restructure setting the packet count

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Message-Id: <20210126075239.25378-3-ciara.loftus@intel.com>
Date:   Tue, 26 Jan 2021 07:52:35 +0000
From:   Ciara Loftus <ciara.loftus@...el.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        magnus.karlsson@...el.com, bjorn@...nel.org,
        weqaar.a.janjua@...el.com
Cc:     Ciara Loftus <ciara.loftus@...el.com>
Subject: [PATCH bpf-next v2 2/6] selftests/bpf: restructure setting the packet count

Prior to this, the packet count was fixed at 10000
for every test. Future tracing tests need to modify
the count, so make it possible to set the count from
test_xsk.h using the -C opt.

Signed-off-by: Ciara Loftus <ciara.loftus@...el.com>
---
 tools/testing/selftests/bpf/test_xsk.sh    | 17 +++++++++--------
 tools/testing/selftests/bpf/xsk_prereqs.sh |  3 +--
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_xsk.sh b/tools/testing/selftests/bpf/test_xsk.sh
index 88a7483eaae4..2b4a4f42b220 100755
--- a/tools/testing/selftests/bpf/test_xsk.sh
+++ b/tools/testing/selftests/bpf/test_xsk.sh
@@ -82,6 +82,7 @@ do
 done
 
 TEST_NAME="PREREQUISITES"
+DEFAULTPKTS=10000
 
 URANDOM=/dev/urandom
 [ ! -e "${URANDOM}" ] && { echo "${URANDOM} not found. Skipping tests."; test_exit 1 1; }
@@ -154,7 +155,7 @@ TEST_NAME="SKB NOPOLL"
 
 vethXDPgeneric ${VETH0} ${VETH1} ${NS1}
 
-params=("-S")
+params=("-S" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
@@ -166,7 +167,7 @@ TEST_NAME="SKB POLL"
 
 vethXDPgeneric ${VETH0} ${VETH1} ${NS1}
 
-params=("-S" "-p")
+params=("-S" "-p" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
@@ -178,7 +179,7 @@ TEST_NAME="DRV NOPOLL"
 
 vethXDPnative ${VETH0} ${VETH1} ${NS1}
 
-params=("-N")
+params=("-N" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
@@ -190,7 +191,7 @@ TEST_NAME="DRV POLL"
 
 vethXDPnative ${VETH0} ${VETH1} ${NS1}
 
-params=("-N" "-p")
+params=("-N" "-p" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
@@ -202,7 +203,7 @@ TEST_NAME="SKB SOCKET TEARDOWN"
 
 vethXDPgeneric ${VETH0} ${VETH1} ${NS1}
 
-params=("-S" "-T")
+params=("-S" "-T" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
@@ -214,7 +215,7 @@ TEST_NAME="DRV SOCKET TEARDOWN"
 
 vethXDPnative ${VETH0} ${VETH1} ${NS1}
 
-params=("-N" "-T")
+params=("-N" "-T" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
@@ -226,7 +227,7 @@ TEST_NAME="SKB BIDIRECTIONAL SOCKETS"
 
 vethXDPgeneric ${VETH0} ${VETH1} ${NS1}
 
-params=("-S" "-B")
+params=("-S" "-B" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
@@ -238,7 +239,7 @@ TEST_NAME="DRV BIDIRECTIONAL SOCKETS"
 
 vethXDPnative ${VETH0} ${VETH1} ${NS1}
 
-params=("-N" "-B")
+params=("-N" "-B" "-C" "${DEFAULTPKTS}")
 execxdpxceiver params
 
 retval=$?
diff --git a/tools/testing/selftests/bpf/xsk_prereqs.sh b/tools/testing/selftests/bpf/xsk_prereqs.sh
index 9d54c4645127..41dd713d14df 100755
--- a/tools/testing/selftests/bpf/xsk_prereqs.sh
+++ b/tools/testing/selftests/bpf/xsk_prereqs.sh
@@ -15,7 +15,6 @@ NC='\033[0m'
 STACK_LIM=131072
 SPECFILE=veth.spec
 XSKOBJ=xdpxceiver
-NUMPKTS=10000
 
 validate_root_exec()
 {
@@ -131,5 +130,5 @@ execxdpxceiver()
 			copy[$index]=${!current}
 		done
 
-	./${XSKOBJ} -i ${VETH0} -i ${VETH1},${NS1} ${copy[*]} -C ${NUMPKTS}
+	./${XSKOBJ} -i ${VETH0} -i ${VETH1},${NS1} ${copy[*]}
 }
-- 
2.17.1