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Message-Id: <1524973290-10016-4-git-send-email-john.fastabend@gmail.com>
Date: Sat, 28 Apr 2018 20:41:29 -0700
From: John Fastabend <john.fastabend@...il.com>
To: daniel@...earbox.net, ast@...nel.org
Cc: netdev@...r.kernel.org, John Fastabend <john.fastabend@...il.com>
Subject: [PATCH bpf-next v3 3/4] bpf: selftest additions for SOCKHASH
This runs existing SOCKMAP tests with SOCKHASH map type. To do this
we push programs into include file and build two BPF programs. One
for SOCKHASH and one for SOCKMAP.
We then run the entire test suite with each type.
Signed-off-by: John Fastabend <john.fastabend@...il.com>
---
tools/include/uapi/linux/bpf.h | 6 ++++-
tools/testing/selftests/bpf/Makefile | 3 ++-
tools/testing/selftests/bpf/test_sockhash_kern.c | 4 ++++
tools/testing/selftests/bpf/test_sockmap.c | 27 ++++++++++++++++------
.../{test_sockmap_kern.c => test_sockmap_kern.h} | 6 ++---
5 files changed, 34 insertions(+), 12 deletions(-)
create mode 100644 tools/testing/selftests/bpf/test_sockhash_kern.c
rename tools/testing/selftests/bpf/{test_sockmap_kern.c => test_sockmap_kern.h} (98%)
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index da77a93..5cb983d 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -116,6 +116,7 @@ enum bpf_map_type {
BPF_MAP_TYPE_DEVMAP,
BPF_MAP_TYPE_SOCKMAP,
BPF_MAP_TYPE_CPUMAP,
+ BPF_MAP_TYPE_SOCKHASH,
};
enum bpf_prog_type {
@@ -1835,7 +1836,10 @@ struct bpf_stack_build_id {
FN(msg_pull_data), \
FN(bind), \
FN(xdp_adjust_tail), \
- FN(skb_get_xfrm_state),
+ FN(skb_get_xfrm_state), \
+ FN(sock_hash_update), \
+ FN(msg_redirect_hash), \
+ FN(sk_redirect_hash),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index b64a7a3..03f9bf3 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -32,7 +32,8 @@ TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test
test_l4lb_noinline.o test_xdp_noinline.o test_stacktrace_map.o \
sample_map_ret0.o test_tcpbpf_kern.o test_stacktrace_build_id.o \
sockmap_tcp_msg_prog.o connect4_prog.o connect6_prog.o test_adjust_tail.o \
- test_btf_haskv.o test_btf_nokv.o test_sockmap_kern.o test_tunnel_kern.o
+ test_btf_haskv.o test_btf_nokv.o test_sockmap_kern.o test_tunnel_kern.o \
+ test_sockmap_kern.o test_sockhash_kern.o
# Order correspond to 'make run_tests' order
TEST_PROGS := test_kmod.sh \
diff --git a/tools/testing/selftests/bpf/test_sockhash_kern.c b/tools/testing/selftests/bpf/test_sockhash_kern.c
new file mode 100644
index 0000000..3bf4ad4
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_sockhash_kern.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018 Covalent IO, Inc. http://covalent.io
+#define TEST_MAP_TYPE BPF_MAP_TYPE_SOCKHASH
+#include "./test_sockmap_kern.h"
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 29c022d..df7afc7 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -47,7 +47,8 @@
#define S1_PORT 10000
#define S2_PORT 10001
-#define BPF_FILENAME "test_sockmap_kern.o"
+#define BPF_SOCKMAP_FILENAME "test_sockmap_kern.o"
+#define BPF_SOCKHASH_FILENAME "test_sockmap_kern.o"
#define CG_PATH "/sockmap"
/* global sockets */
@@ -1260,9 +1261,8 @@ static int test_start_end(int cgrp)
BPF_PROG_TYPE_SK_MSG,
};
-static int populate_progs(void)
+static int populate_progs(char *bpf_file)
{
- char *bpf_file = BPF_FILENAME;
struct bpf_program *prog;
struct bpf_object *obj;
int i = 0;
@@ -1306,11 +1306,11 @@ static int populate_progs(void)
return 0;
}
-static int test_suite(void)
+static int __test_suite(char *bpf_file)
{
int cg_fd, err;
- err = populate_progs();
+ err = populate_progs(bpf_file);
if (err < 0) {
fprintf(stderr, "ERROR: (%i) load bpf failed\n", err);
return err;
@@ -1347,17 +1347,30 @@ static int test_suite(void)
out:
printf("Summary: %i PASSED %i FAILED\n", passed, failed);
+ cleanup_cgroup_environment();
close(cg_fd);
return err;
}
+static int test_suite(void)
+{
+ int err;
+
+ err = __test_suite(BPF_SOCKMAP_FILENAME);
+ if (err)
+ goto out;
+ err = __test_suite(BPF_SOCKHASH_FILENAME);
+out:
+ return err;
+}
+
int main(int argc, char **argv)
{
struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY};
int iov_count = 1, length = 1024, rate = 1;
struct sockmap_options options = {0};
int opt, longindex, err, cg_fd = 0;
- char *bpf_file = BPF_FILENAME;
+ char *bpf_file = BPF_SOCKMAP_FILENAME;
int test = PING_PONG;
if (setrlimit(RLIMIT_MEMLOCK, &r)) {
@@ -1438,7 +1451,7 @@ int main(int argc, char **argv)
return -1;
}
- err = populate_progs();
+ err = populate_progs(bpf_file);
if (err) {
fprintf(stderr, "populate program: (%s) %s\n",
bpf_file, strerror(errno));
diff --git a/tools/testing/selftests/bpf/test_sockmap_kern.c b/tools/testing/selftests/bpf/test_sockmap_kern.h
similarity index 98%
rename from tools/testing/selftests/bpf/test_sockmap_kern.c
rename to tools/testing/selftests/bpf/test_sockmap_kern.h
index 33de97e..0ea602f 100644
--- a/tools/testing/selftests/bpf/test_sockmap_kern.c
+++ b/tools/testing/selftests/bpf/test_sockmap_kern.h
@@ -36,21 +36,21 @@
})
struct bpf_map_def SEC("maps") sock_map = {
- .type = BPF_MAP_TYPE_SOCKMAP,
+ .type = TEST_MAP_TYPE,
.key_size = sizeof(int),
.value_size = sizeof(int),
.max_entries = 20,
};
struct bpf_map_def SEC("maps") sock_map_txmsg = {
- .type = BPF_MAP_TYPE_SOCKMAP,
+ .type = TEST_MAP_TYPE,
.key_size = sizeof(int),
.value_size = sizeof(int),
.max_entries = 20,
};
struct bpf_map_def SEC("maps") sock_map_redir = {
- .type = BPF_MAP_TYPE_SOCKMAP,
+ .type = TEST_MAP_TYPE,
.key_size = sizeof(int),
.value_size = sizeof(int),
.max_entries = 20,
--
1.9.1
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