selftests: net: name bpf objects consistently and simplify Makefile

The BPF sources moved with bpf_offload.py have a suffix of .bpf.c
which seems to be useful convention. Rename the 2 other BPF sources
we had. Use wildcard in the Makefile, since we can match all those
files easily now.

Link: https://lore.kernel.org/r/20240423183542.3807234-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 7e7f243d0ab2a388f538f0b239ae51d53c9fa970..c388308ff517827e22513557720b57c3705b212a 100644 (file)
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -82,10 +82,6 @@ TEST_GEN_PROGS += so_incoming_cpu
 TEST_PROGS += sctp_vrf.sh
 TEST_GEN_FILES += sctp_hello
 TEST_GEN_FILES += csum
-TEST_GEN_FILES += nat6to4.o
-TEST_GEN_FILES += xdp_dummy.o
-TEST_GEN_FILES += sample_ret0.bpf.o
-TEST_GEN_FILES += sample_map_ret0.bpf.o
 TEST_GEN_FILES += ip_local_port_range
 TEST_GEN_FILES += bind_wildcard
 TEST_PROGS += test_vxlan_mdb.sh
@@ -100,6 +96,8 @@ TEST_PROGS += bpf_offload.py
 TEST_FILES := settings
 TEST_FILES += in_netns.sh lib.sh net_helper.sh setup_loopback.sh setup_veth.sh
 
+TEST_GEN_FILES += $(patsubst %.c,%.o,$(wildcard *.bpf.c))
+
 TEST_INCLUDES := forwarding/lib.sh
 
 include ../lib.mk
@@ -146,8 +144,7 @@ endif
 
 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH))
 
-BPF_PROG_OBJS := $(OUTPUT)/nat6to4.o $(OUTPUT)/xdp_dummy.o \
-       $(OUTPUT)/sample_map_ret0.bpf.o $(OUTPUT)/sample_ret0.bpf.o
+BPF_PROG_OBJS := $(patsubst %.c,$(OUTPUT)/%.o,$(wildcard *.bpf.c))
 
 $(BPF_PROG_OBJS): $(OUTPUT)/%.o : %.c $(BPFOBJ) | $(MAKE_DIRS)
        $(call msg,BPF_PROG,,$@)

diff --git a/tools/testing/selftests/net/nat6to4.c b/tools/testing/selftests/net/nat6to4.bpf.c
similarity index 100%
rename from tools/testing/selftests/net/nat6to4.c
rename to tools/testing/selftests/net/nat6to4.bpf.c

diff --git a/tools/testing/selftests/net/udpgro.sh b/tools/testing/selftests/net/udpgro.sh
index 8802604148dda1c2565fdb0d5b0aaabb0cad1427..11a1ebda564fd5d70c424bd20ec4c412fafbbc08 100755 (executable)
--- a/tools/testing/selftests/net/udpgro.sh
+++ b/tools/testing/selftests/net/udpgro.sh
@@ -7,7 +7,7 @@ source net_helper.sh
 
 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
 
-BPF_FILE="xdp_dummy.o"
+BPF_FILE="xdp_dummy.bpf.o"
 
 # set global exit status, but never reset nonzero one.
 check_err()

diff --git a/tools/testing/selftests/net/udpgro_bench.sh b/tools/testing/selftests/net/udpgro_bench.sh
index 7080eae5312b2f9fa13c41868337fd4433fb0de6..c51ea90a1395f302e53d2defa9ae3b38b8cb4f24 100755 (executable)
--- a/tools/testing/selftests/net/udpgro_bench.sh
+++ b/tools/testing/selftests/net/udpgro_bench.sh
@@ -7,7 +7,7 @@ source net_helper.sh
 
 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
 
-BPF_FILE="xdp_dummy.o"
+BPF_FILE="xdp_dummy.bpf.o"
 
 cleanup() {
        local -r jobs="$(jobs -p)"

diff --git a/tools/testing/selftests/net/udpgro_frglist.sh b/tools/testing/selftests/net/udpgro_frglist.sh
index e1ff645bd3d1c7b0b8ba177ee73ce595a91f3808..17404f49cdb688dce52266cdf3de61d7fe6d5dc9 100755 (executable)
--- a/tools/testing/selftests/net/udpgro_frglist.sh
+++ b/tools/testing/selftests/net/udpgro_frglist.sh
@@ -7,7 +7,7 @@ source net_helper.sh
 
 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
 
-BPF_FILE="xdp_dummy.o"
+BPF_FILE="xdp_dummy.bpf.o"
 
 cleanup() {
        local -r jobs="$(jobs -p)"
@@ -42,8 +42,8 @@ run_one() {
 
        ip -n "${PEER_NS}" link set veth1 xdp object ${BPF_FILE} section xdp
        tc -n "${PEER_NS}" qdisc add dev veth1 clsact
-       tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file nat6to4.o section schedcls/ingress6/nat_6  direct-action
-       tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file nat6to4.o section schedcls/egress4/snat4 direct-action
+       tc -n "${PEER_NS}" filter add dev veth1 ingress prio 4 protocol ipv6 bpf object-file nat6to4.bpf.o section schedcls/ingress6/nat_6  direct-action
+       tc -n "${PEER_NS}" filter add dev veth1 egress prio 4 protocol ip bpf object-file nat6to4.bpf.o section schedcls/egress4/snat4 direct-action
         echo ${rx_args}
        ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r &
 
@@ -89,7 +89,7 @@ if [ ! -f ${BPF_FILE} ]; then
        exit -1
 fi
 
-if [ ! -f nat6to4.o ]; then
+if [ ! -f nat6to4.bpf.o ]; then
        echo "Missing nat6to4 helper. Run 'make' first"
        exit -1
 fi

diff --git a/tools/testing/selftests/net/udpgro_fwd.sh b/tools/testing/selftests/net/udpgro_fwd.sh
index 83ed987cff340eb018f5296dd4f983ebac4a6245..550d8eb3e224cd7e358240dead0a889b872709a3 100755 (executable)
--- a/tools/testing/selftests/net/udpgro_fwd.sh
+++ b/tools/testing/selftests/net/udpgro_fwd.sh
@@ -3,7 +3,7 @@
 
 source net_helper.sh
 
-BPF_FILE="xdp_dummy.o"
+BPF_FILE="xdp_dummy.bpf.o"
 readonly BASE="ns-$(mktemp -u XXXXXX)"
 readonly SRC=2
 readonly DST=1

diff --git a/tools/testing/selftests/net/veth.sh b/tools/testing/selftests/net/veth.sh
index 3a394b43e274bdf51e735e60349b44d7e66e5dc2..4f1edbafb946871572c1e337b75aef8c045da3e7 100755 (executable)
--- a/tools/testing/selftests/net/veth.sh
+++ b/tools/testing/selftests/net/veth.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 
-BPF_FILE="xdp_dummy.o"
+BPF_FILE="xdp_dummy.bpf.o"
 readonly STATS="$(mktemp -p /tmp ns-XXXXXX)"
 readonly BASE=`basename $STATS`
 readonly SRC=2

diff --git a/tools/testing/selftests/net/xdp_dummy.c b/tools/testing/selftests/net/xdp_dummy.bpf.c
similarity index 100%
rename from tools/testing/selftests/net/xdp_dummy.c
rename to tools/testing/selftests/net/xdp_dummy.bpf.c