From facb7cb2e909ad2d21ebbfdc051726d4cd8f1d35 Mon Sep 17 00:00:00 2001
From: Weqaar Janjua <weqaar.janjua@gmail.com>
Date: Mon, 7 Dec 2020 21:53:30 +0000
Subject: selftests/bpf: Xsk selftests - SKB POLL, NOPOLL
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Adds following tests:

1. AF_XDP SKB mode
   Generic mode XDP is driver independent, used when the driver does
   not have support for XDP. Works on any netdevice using sockets and
   generic XDP path. XDP hook from netif_receive_skb().
   a. nopoll - soft-irq processing
   b. poll - using poll() syscall

Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Yonghong Song <yhs@fb.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Link: https://lore.kernel.org/bpf/20201207215333.11586-3-weqaar.a.janjua@intel.com
---
 tools/testing/selftests/bpf/xsk_prereqs.sh | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'tools/testing/selftests/bpf/xsk_prereqs.sh')

diff --git a/tools/testing/selftests/bpf/xsk_prereqs.sh b/tools/testing/selftests/bpf/xsk_prereqs.sh
index 29762739c21b..9d54c4645127 100755
--- a/tools/testing/selftests/bpf/xsk_prereqs.sh
+++ b/tools/testing/selftests/bpf/xsk_prereqs.sh
@@ -14,6 +14,8 @@ RED='\033[0;31m'
 NC='\033[0m'
 STACK_LIM=131072
 SPECFILE=veth.spec
+XSKOBJ=xdpxceiver
+NUMPKTS=10000
 
 validate_root_exec()
 {
@@ -117,3 +119,17 @@ vethXDPnative()
 	ip link set dev $1 xdpgeneric off
 	ip netns exec $3 ip link set dev $2 xdpgeneric off
 }
+
+execxdpxceiver()
+{
+	local -a 'paramkeys=("${!'"$1"'[@]}")' copy
+	paramkeysstr=${paramkeys[*]}
+
+	for index in $paramkeysstr;
+		do
+			current=$1"[$index]"
+			copy[$index]=${!current}
+		done
+
+	./${XSKOBJ} -i ${VETH0} -i ${VETH1},${NS1} ${copy[*]} -C ${NUMPKTS}
+}
-- 
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