Test verifier/cgroup_skb.c automatically converted to use inline assembly.
Signed-off-by: Eduard Zingerman <eddyz87@xxxxxxxxx>
---
.../selftests/bpf/prog_tests/verifier.c | 2 +
.../selftests/bpf/progs/verifier_cgroup_skb.c | 227 ++++++++++++++++++
.../selftests/bpf/verifier/cgroup_skb.c | 197 ---------------
3 files changed, 229 insertions(+), 197 deletions(-)
create mode 100644 tools/testing/selftests/bpf/progs/verifier_cgroup_skb.c
delete mode 100644 tools/testing/selftests/bpf/verifier/cgroup_skb.c
diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c
index b138c9894abb..53e41af90821 100644
--- a/tools/testing/selftests/bpf/prog_tests/verifier.c
+++ b/tools/testing/selftests/bpf/prog_tests/verifier.c
@@ -10,6 +10,7 @@
#include "verifier_bounds_mix_sign_unsign.skel.h"
#include "verifier_cfg.skel.h"
#include "verifier_cgroup_inv_retcode.skel.h"
+#include "verifier_cgroup_skb.skel.h"
__maybe_unused
static void run_tests_aux(const char *skel_name, skel_elf_bytes_fn elf_bytes_factory)
@@ -42,3 +43,4 @@ void test_verifier_bounds_deduction(void) { RUN(verifier_bounds_deduction);
void test_verifier_bounds_mix_sign_unsign(void) { RUN(verifier_bounds_mix_sign_unsign); }
void test_verifier_cfg(void) { RUN(verifier_cfg); }
void test_verifier_cgroup_inv_retcode(void) { RUN(verifier_cgroup_inv_retcode); }
+void test_verifier_cgroup_skb(void) { RUN(verifier_cgroup_skb); }
diff --git a/tools/testing/selftests/bpf/progs/verifier_cgroup_skb.c b/tools/testing/selftests/bpf/progs/verifier_cgroup_skb.c
new file mode 100644
index 000000000000..5ee3d349d6d0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/verifier_cgroup_skb.c
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Converted from tools/testing/selftests/bpf/verifier/cgroup_skb.c */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+SEC("cgroup/skb")
+__description("direct packet read test#1 for CGROUP_SKB")
+__success __failure_unpriv
+__msg_unpriv("invalid bpf_context access off=76 size=4")
+__retval(0)
+__naked void test_1_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r2 = *(u32*)(r1 + %[__sk_buff_data]); \
+ r3 = *(u32*)(r1 + %[__sk_buff_data_end]); \
+ r4 = *(u32*)(r1 + %[__sk_buff_len]); \
+ r5 = *(u32*)(r1 + %[__sk_buff_pkt_type]); \
+ r6 = *(u32*)(r1 + %[__sk_buff_mark]); \
+ *(u32*)(r1 + %[__sk_buff_mark]) = r6; \
+ r7 = *(u32*)(r1 + %[__sk_buff_queue_mapping]); \
+ r8 = *(u32*)(r1 + %[__sk_buff_protocol]); \
+ r9 = *(u32*)(r1 + %[__sk_buff_vlan_present]); \
+ r0 = r2; \
+ r0 += 8; \
+ if r0 > r3 goto l0_%=; \
+ r0 = *(u8*)(r2 + 0); \
+l0_%=: r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_data, offsetof(struct __sk_buff, data)),
+ __imm_const(__sk_buff_data_end, offsetof(struct __sk_buff, data_end)),
+ __imm_const(__sk_buff_len, offsetof(struct __sk_buff, len)),
+ __imm_const(__sk_buff_mark, offsetof(struct __sk_buff, mark)),
+ __imm_const(__sk_buff_pkt_type, offsetof(struct __sk_buff, pkt_type)),
+ __imm_const(__sk_buff_protocol, offsetof(struct __sk_buff, protocol)),
+ __imm_const(__sk_buff_queue_mapping, offsetof(struct __sk_buff, queue_mapping)),
+ __imm_const(__sk_buff_vlan_present, offsetof(struct __sk_buff, vlan_present))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("direct packet read test#2 for CGROUP_SKB")
+__success __success_unpriv __retval(0)
+__naked void test_2_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r4 = *(u32*)(r1 + %[__sk_buff_vlan_tci]); \
+ r5 = *(u32*)(r1 + %[__sk_buff_vlan_proto]); \
+ r6 = *(u32*)(r1 + %[__sk_buff_priority]); \
+ *(u32*)(r1 + %[__sk_buff_priority]) = r6; \
+ r7 = *(u32*)(r1 + %[__sk_buff_ingress_ifindex]);\
+ r8 = *(u32*)(r1 + %[__sk_buff_tc_index]); \
+ r9 = *(u32*)(r1 + %[__sk_buff_hash]); \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_hash, offsetof(struct __sk_buff, hash)),
+ __imm_const(__sk_buff_ingress_ifindex, offsetof(struct __sk_buff, ingress_ifindex)),
+ __imm_const(__sk_buff_priority, offsetof(struct __sk_buff, priority)),
+ __imm_const(__sk_buff_tc_index, offsetof(struct __sk_buff, tc_index)),
+ __imm_const(__sk_buff_vlan_proto, offsetof(struct __sk_buff, vlan_proto)),
+ __imm_const(__sk_buff_vlan_tci, offsetof(struct __sk_buff, vlan_tci))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("direct packet read test#3 for CGROUP_SKB")
+__success __success_unpriv __retval(0)
+__naked void test_3_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r4 = *(u32*)(r1 + %[__sk_buff_cb_0]); \
+ r5 = *(u32*)(r1 + %[__sk_buff_cb_1]); \
+ r6 = *(u32*)(r1 + %[__sk_buff_cb_2]); \
+ r7 = *(u32*)(r1 + %[__sk_buff_cb_3]); \
+ r8 = *(u32*)(r1 + %[__sk_buff_cb_4]); \
+ r9 = *(u32*)(r1 + %[__sk_buff_napi_id]); \
+ *(u32*)(r1 + %[__sk_buff_cb_0]) = r4; \
+ *(u32*)(r1 + %[__sk_buff_cb_1]) = r5; \
+ *(u32*)(r1 + %[__sk_buff_cb_2]) = r6; \
+ *(u32*)(r1 + %[__sk_buff_cb_3]) = r7; \
+ *(u32*)(r1 + %[__sk_buff_cb_4]) = r8; \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_cb_0, offsetof(struct __sk_buff, cb[0])),
+ __imm_const(__sk_buff_cb_1, offsetof(struct __sk_buff, cb[1])),
+ __imm_const(__sk_buff_cb_2, offsetof(struct __sk_buff, cb[2])),
+ __imm_const(__sk_buff_cb_3, offsetof(struct __sk_buff, cb[3])),
+ __imm_const(__sk_buff_cb_4, offsetof(struct __sk_buff, cb[4])),
+ __imm_const(__sk_buff_napi_id, offsetof(struct __sk_buff, napi_id))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("direct packet read test#4 for CGROUP_SKB")
+__success __success_unpriv __retval(0)
+__naked void test_4_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r2 = *(u32*)(r1 + %[__sk_buff_family]); \
+ r3 = *(u32*)(r1 + %[__sk_buff_remote_ip4]); \
+ r4 = *(u32*)(r1 + %[__sk_buff_local_ip4]); \
+ r5 = *(u32*)(r1 + %[__sk_buff_remote_ip6_0]); \
+ r5 = *(u32*)(r1 + %[__sk_buff_remote_ip6_1]); \
+ r5 = *(u32*)(r1 + %[__sk_buff_remote_ip6_2]); \
+ r5 = *(u32*)(r1 + %[__sk_buff_remote_ip6_3]); \
+ r6 = *(u32*)(r1 + %[__sk_buff_local_ip6_0]); \
+ r6 = *(u32*)(r1 + %[__sk_buff_local_ip6_1]); \
+ r6 = *(u32*)(r1 + %[__sk_buff_local_ip6_2]); \
+ r6 = *(u32*)(r1 + %[__sk_buff_local_ip6_3]); \
+ r7 = *(u32*)(r1 + %[__sk_buff_remote_port]); \
+ r8 = *(u32*)(r1 + %[__sk_buff_local_port]); \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_family, offsetof(struct __sk_buff, family)),
+ __imm_const(__sk_buff_local_ip4, offsetof(struct __sk_buff, local_ip4)),
+ __imm_const(__sk_buff_local_ip6_0, offsetof(struct __sk_buff, local_ip6[0])),
+ __imm_const(__sk_buff_local_ip6_1, offsetof(struct __sk_buff, local_ip6[1])),
+ __imm_const(__sk_buff_local_ip6_2, offsetof(struct __sk_buff, local_ip6[2])),
+ __imm_const(__sk_buff_local_ip6_3, offsetof(struct __sk_buff, local_ip6[3])),
+ __imm_const(__sk_buff_local_port, offsetof(struct __sk_buff, local_port)),
+ __imm_const(__sk_buff_remote_ip4, offsetof(struct __sk_buff, remote_ip4)),
+ __imm_const(__sk_buff_remote_ip6_0, offsetof(struct __sk_buff, remote_ip6[0])),
+ __imm_const(__sk_buff_remote_ip6_1, offsetof(struct __sk_buff, remote_ip6[1])),
+ __imm_const(__sk_buff_remote_ip6_2, offsetof(struct __sk_buff, remote_ip6[2])),
+ __imm_const(__sk_buff_remote_ip6_3, offsetof(struct __sk_buff, remote_ip6[3])),
+ __imm_const(__sk_buff_remote_port, offsetof(struct __sk_buff, remote_port))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("invalid access of tc_classid for CGROUP_SKB")
+__failure __msg("invalid bpf_context access")
+__failure_unpriv
+__naked void tc_classid_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r0 = *(u32*)(r1 + %[__sk_buff_tc_classid]); \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_tc_classid, offsetof(struct __sk_buff, tc_classid))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("invalid access of data_meta for CGROUP_SKB")
+__failure __msg("invalid bpf_context access")
+__failure_unpriv
+__naked void data_meta_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r0 = *(u32*)(r1 + %[__sk_buff_data_meta]); \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_data_meta, offsetof(struct __sk_buff, data_meta))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("invalid access of flow_keys for CGROUP_SKB")
+__failure __msg("invalid bpf_context access")
+__failure_unpriv
+__naked void flow_keys_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r0 = *(u32*)(r1 + %[__sk_buff_flow_keys]); \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_flow_keys, offsetof(struct __sk_buff, flow_keys))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("invalid write access to napi_id for CGROUP_SKB")
+__failure __msg("invalid bpf_context access")
+__failure_unpriv
+__naked void napi_id_for_cgroup_skb(void)
+{
+ asm volatile (" \
+ r9 = *(u32*)(r1 + %[__sk_buff_napi_id]); \
+ *(u32*)(r1 + %[__sk_buff_napi_id]) = r9; \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_napi_id, offsetof(struct __sk_buff, napi_id))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("write tstamp from CGROUP_SKB")
+__success __failure_unpriv
+__msg_unpriv("invalid bpf_context access off=152 size=8")
+__retval(0)
+__naked void write_tstamp_from_cgroup_skb(void)
+{
+ asm volatile (" \
+ r0 = 0; \
+ *(u64*)(r1 + %[__sk_buff_tstamp]) = r0; \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_tstamp, offsetof(struct __sk_buff, tstamp))
+ : __clobber_all);
+}
+
+SEC("cgroup/skb")
+__description("read tstamp from CGROUP_SKB")
+__success __success_unpriv __retval(0)
+__naked void read_tstamp_from_cgroup_skb(void)
+{
+ asm volatile (" \
+ r0 = *(u64*)(r1 + %[__sk_buff_tstamp]); \
+ r0 = 0; \
+ exit; \
+" :
+ : __imm_const(__sk_buff_tstamp, offsetof(struct __sk_buff, tstamp))
+ : __clobber_all);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_skb.c b/tools/testing/selftests/bpf/verifier/cgroup_skb.c
deleted file mode 100644
index 52e4c03b076b..000000000000
--- a/tools/testing/selftests/bpf/verifier/cgroup_skb.c
+++ /dev/null
@@ -1,197 +0,0 @@
-{
- "direct packet read test#1 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, data)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, data_end)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, len)),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, pkt_type)),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, mark)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
- offsetof(struct __sk_buff, mark)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, queue_mapping)),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, protocol)),
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_present)),
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8),
- BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_2, 0),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "invalid bpf_context access off=76 size=4",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "direct packet read test#2 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_tci)),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, vlan_proto)),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, priority)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
- offsetof(struct __sk_buff, priority)),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, ingress_ifindex)),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, tc_index)),
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, hash)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "direct packet read test#3 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, cb[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, cb[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, cb[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, cb[3])),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, cb[4])),
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, napi_id)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_4,
- offsetof(struct __sk_buff, cb[0])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_5,
- offsetof(struct __sk_buff, cb[1])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_6,
- offsetof(struct __sk_buff, cb[2])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_7,
- offsetof(struct __sk_buff, cb[3])),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_8,
- offsetof(struct __sk_buff, cb[4])),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "direct packet read test#4 for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
- offsetof(struct __sk_buff, family)),
- BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip4)),
- BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip4)),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_1,
- offsetof(struct __sk_buff, remote_ip6[3])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[0])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[1])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[2])),
- BPF_LDX_MEM(BPF_W, BPF_REG_6, BPF_REG_1,
- offsetof(struct __sk_buff, local_ip6[3])),
- BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
- offsetof(struct __sk_buff, remote_port)),
- BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
- offsetof(struct __sk_buff, local_port)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "invalid access of tc_classid for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tc_classid)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "invalid access of data_meta for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, data_meta)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "invalid access of flow_keys for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, flow_keys)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "invalid write access to napi_id for CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
- offsetof(struct __sk_buff, napi_id)),
- BPF_STX_MEM(BPF_W, BPF_REG_1, BPF_REG_9,
- offsetof(struct __sk_buff, napi_id)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = REJECT,
- .errstr = "invalid bpf_context access",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "write tstamp from CGROUP_SKB",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0,
- offsetof(struct __sk_buff, tstamp)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .result_unpriv = REJECT,
- .errstr_unpriv = "invalid bpf_context access off=152 size=8",
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
-{
- "read tstamp from CGROUP_SKB",
- .insns = {
- BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
- offsetof(struct __sk_buff, tstamp)),
- BPF_MOV64_IMM(BPF_REG_0, 0),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SKB,
-},
--
2.40.0
