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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-06 14:45:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-06 14:45:08 -0700
commitaae3dbb4776e7916b6cd442d00159bea27a695c1 (patch)
treed074c5d783a81e7e2e084b1eba77f57459da7e37 /tools/testing/selftests/bpf/test_progs.c
parentMerge tag 'wberr-v4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jl... (diff)
parentMerge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirshe... (diff)
downloadlinux-aae3dbb4776e7916b6cd442d00159bea27a695c1.tar.gz
linux-aae3dbb4776e7916b6cd442d00159bea27a695c1.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: 1) Support ipv6 checksum offload in sunvnet driver, from Shannon Nelson. 2) Move to RB-tree instead of custom AVL code in inetpeer, from Eric Dumazet. 3) Allow generic XDP to work on virtual devices, from John Fastabend. 4) Add bpf device maps and XDP_REDIRECT, which can be used to build arbitrary switching frameworks using XDP. From John Fastabend. 5) Remove UFO offloads from the tree, gave us little other than bugs. 6) Remove the IPSEC flow cache, from Florian Westphal. 7) Support ipv6 route offload in mlxsw driver. 8) Support VF representors in bnxt_en, from Sathya Perla. 9) Add support for forward error correction modes to ethtool, from Vidya Sagar Ravipati. 10) Add time filter for packet scheduler action dumping, from Jamal Hadi Salim. 11) Extend the zerocopy sendmsg() used by virtio and tap to regular sockets via MSG_ZEROCOPY. From Willem de Bruijn. 12) Significantly rework value tracking in the BPF verifier, from Edward Cree. 13) Add new jump instructions to eBPF, from Daniel Borkmann. 14) Rework rtnetlink plumbing so that operations can be run without taking the RTNL semaphore. From Florian Westphal. 15) Support XDP in tap driver, from Jason Wang. 16) Add 32-bit eBPF JIT for ARM, from Shubham Bansal. 17) Add Huawei hinic ethernet driver. 18) Allow to report MD5 keys in TCP inet_diag dumps, from Ivan Delalande. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1780 commits) i40e: point wb_desc at the nvm_wb_desc during i40e_read_nvm_aq i40e: avoid NVM acquire deadlock during NVM update drivers: net: xgene: Remove return statement from void function drivers: net: xgene: Configure tx/rx delay for ACPI drivers: net: xgene: Read tx/rx delay for ACPI rocker: fix kcalloc parameter order rds: Fix non-atomic operation on shared flag variable net: sched: don't use GFP_KERNEL under spin lock vhost_net: correctly check tx avail during rx busy polling net: mdio-mux: add mdio_mux parameter to mdio_mux_init() rxrpc: Make service connection lookup always check for retry net: stmmac: Delete dead code for MDIO registration gianfar: Fix Tx flow control deactivation cxgb4: Ignore MPS_TX_INT_CAUSE[Bubble] for T6 cxgb4: Fix pause frame count in t4_get_port_stats cxgb4: fix memory leak tun: rename generic_xdp to skb_xdp tun: reserve extra headroom only when XDP is set net: dsa: bcm_sf2: Configure IMP port TC2QOS mapping net: dsa: bcm_sf2: Advertise number of egress queues ...
Diffstat (limited to 'tools/testing/selftests/bpf/test_progs.c')
-rw-r--r--tools/testing/selftests/bpf/test_progs.c71
1 files changed, 29 insertions, 42 deletions
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 1f7dd35551b9..11ee25cea227 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -75,39 +75,6 @@ static struct {
__ret; \
})
-static int bpf_prog_load(const char *file, enum bpf_prog_type type,
- struct bpf_object **pobj, int *prog_fd)
-{
- struct bpf_program *prog;
- struct bpf_object *obj;
- int err;
-
- obj = bpf_object__open(file);
- if (IS_ERR(obj)) {
- error_cnt++;
- return -ENOENT;
- }
-
- prog = bpf_program__next(NULL, obj);
- if (!prog) {
- bpf_object__close(obj);
- error_cnt++;
- return -ENOENT;
- }
-
- bpf_program__set_type(prog, type);
- err = bpf_object__load(obj);
- if (err) {
- bpf_object__close(obj);
- error_cnt++;
- return -EINVAL;
- }
-
- *pobj = obj;
- *prog_fd = bpf_program__fd(prog);
- return 0;
-}
-
static int bpf_find_map(const char *test, struct bpf_object *obj,
const char *name)
{
@@ -130,8 +97,10 @@ static void test_pkt_access(void)
int err, prog_fd;
err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
- if (err)
+ if (err) {
+ error_cnt++;
return;
+ }
err = bpf_prog_test_run(prog_fd, 100000, &pkt_v4, sizeof(pkt_v4),
NULL, NULL, &retval, &duration);
@@ -162,8 +131,10 @@ static void test_xdp(void)
int err, prog_fd, map_fd;
err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
- if (err)
+ if (err) {
+ error_cnt++;
return;
+ }
map_fd = bpf_find_map(__func__, obj, "vip2tnl");
if (map_fd < 0)
@@ -223,8 +194,10 @@ static void test_l4lb(void)
u32 *magic = (u32 *)buf;
err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
- if (err)
+ if (err) {
+ error_cnt++;
return;
+ }
map_fd = bpf_find_map(__func__, obj, "vip_map");
if (map_fd < 0)
@@ -280,8 +253,10 @@ static void test_tcp_estats(void)
err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd);
CHECK(err, "", "err %d errno %d\n", err, errno);
- if (err)
+ if (err) {
+ error_cnt++;
return;
+ }
bpf_object__close(obj);
}
@@ -304,7 +279,7 @@ static void test_bpf_obj_id(void)
/* +1 to test for the info_len returned by kernel */
struct bpf_prog_info prog_infos[nr_iters + 1];
struct bpf_map_info map_infos[nr_iters + 1];
- char jited_insns[128], xlated_insns[128];
+ char jited_insns[128], xlated_insns[128], zeros[128];
__u32 i, next_id, info_len, nr_id_found, duration = 0;
int sysctl_fd, jit_enabled = 0, err = 0;
__u64 array_value;
@@ -330,17 +305,22 @@ static void test_bpf_obj_id(void)
objs[i] = NULL;
/* Check bpf_obj_get_info_by_fd() */
+ bzero(zeros, sizeof(zeros));
for (i = 0; i < nr_iters; i++) {
err = bpf_prog_load(file, BPF_PROG_TYPE_SOCKET_FILTER,
&objs[i], &prog_fds[i]);
/* test_obj_id.o is a dumb prog. It should never fail
* to load.
*/
+ if (err)
+ error_cnt++;
assert(!err);
/* Check getting prog info */
info_len = sizeof(struct bpf_prog_info) * 2;
bzero(&prog_infos[i], info_len);
+ bzero(jited_insns, sizeof(jited_insns));
+ bzero(xlated_insns, sizeof(xlated_insns));
prog_infos[i].jited_prog_insns = ptr_to_u64(jited_insns);
prog_infos[i].jited_prog_len = sizeof(jited_insns);
prog_infos[i].xlated_prog_insns = ptr_to_u64(xlated_insns);
@@ -351,15 +331,20 @@ static void test_bpf_obj_id(void)
prog_infos[i].type != BPF_PROG_TYPE_SOCKET_FILTER ||
info_len != sizeof(struct bpf_prog_info) ||
(jit_enabled && !prog_infos[i].jited_prog_len) ||
- !prog_infos[i].xlated_prog_len,
+ (jit_enabled &&
+ !memcmp(jited_insns, zeros, sizeof(zeros))) ||
+ !prog_infos[i].xlated_prog_len ||
+ !memcmp(xlated_insns, zeros, sizeof(zeros)),
"get-prog-info(fd)",
- "err %d errno %d i %d type %d(%d) info_len %u(%lu) jit_enabled %d jited_prog_len %u xlated_prog_len %u\n",
+ "err %d errno %d i %d type %d(%d) info_len %u(%lu) jit_enabled %d jited_prog_len %u xlated_prog_len %u jited_prog %d xlated_prog %d\n",
err, errno, i,
prog_infos[i].type, BPF_PROG_TYPE_SOCKET_FILTER,
info_len, sizeof(struct bpf_prog_info),
jit_enabled,
prog_infos[i].jited_prog_len,
- prog_infos[i].xlated_prog_len))
+ prog_infos[i].xlated_prog_len,
+ !!memcmp(jited_insns, zeros, sizeof(zeros)),
+ !!memcmp(xlated_insns, zeros, sizeof(zeros))))
goto done;
map_fds[i] = bpf_find_map(__func__, objs[i], "test_map_id");
@@ -496,8 +481,10 @@ static void test_pkt_md_access(void)
int err, prog_fd;
err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd);
- if (err)
+ if (err) {
+ error_cnt++;
return;
+ }
err = bpf_prog_test_run(prog_fd, 10, &pkt_v4, sizeof(pkt_v4),
NULL, NULL, &retval, &duration);