__u32 seq_num = ctx->meta->seq_num;
unsigned long value;
char type;
- int ret;
if (!iter)
return 0;
char cur_cc[TCP_CA_NAME_MAX];
struct tcp_sock *tp;
struct sock *sk;
- int ret;
if (!bpf_tcp_sk(ctx->sk_common))
return 0;
SEC("fentry/" SYS_PREFIX "sys_nanosleep")
int prog_non_constant_callback(void *ctx)
{
- struct callback_ctx data = {};
-
if (bpf_get_current_pid_tgid() >> 32 != pid)
return 0;
{
struct prog_test_ref_kfunc *p;
struct map_value *v;
- unsigned long sl;
v = bpf_map_lookup_elem(&array_map, &(int){0});
if (!v)
SEC("cgroup_skb/ingress")
int ingress_lookup(struct __sk_buff *skb)
{
- __u32 serv_port_key = 0;
struct ipv6hdr ip6h;
struct tcphdr tcph;
acquired = bpf_cgroup_acquire(cgrp);
/* Acquired cgroup is never released. */
+ __sink(acquired);
return 0;
}
struct sockaddr *uaddr, int addr_len, int flags)
{
struct socket_cookie *p;
- struct tcp_sock *tcp_sk;
if (uaddr->sa_family != AF_INET6)
return 0;
SEC("?iter.s/cgroup")
int cgroup_iter(struct bpf_iter__cgroup *ctx)
{
- struct seq_file *seq = ctx->meta->seq;
struct cgroup *cgrp = ctx->cgroup;
long *ptr;
void *data_end = (void *)(long)ctx->data_end;
void *data = (void *)(long)ctx->data;
void *ptr;
- int ret = 0, nh_off, i = 0;
+ int nh_off, i = 0;
nh_off = 14;
struct bpf_cpumask *cpumask;
cpumask = create_cpumask();
+ __sink(cpumask);
/* cpumask is never released. */
return 0;
/* Can't acquire a non-struct bpf_cpumask. */
cpumask = bpf_cpumask_acquire((struct bpf_cpumask *)task->cpus_ptr);
+ __sink(cpumask);
return 0;
}
/* Can't set the CPU of a non-struct bpf_cpumask. */
bpf_cpumask_set_cpu(0, (struct bpf_cpumask *)task->cpus_ptr);
+ __sink(cpumask);
return 0;
}
int BPF_PROG(test_insert_leave, struct task_struct *task, u64 clone_flags)
{
struct bpf_cpumask *cpumask;
- struct __cpumask_map_value *v;
cpumask = create_cpumask();
if (!cpumask)
__failure __msg("value is outside of the allowed memory range")
int data_slice_out_of_bounds_map_value(void *ctx)
{
- __u32 key = 0, map_val;
+ __u32 map_val;
struct bpf_dynptr ptr;
void *data;
/* this should fail */
*data2 = 3;
-done:
bpf_ringbuf_discard_dynptr(&ptr, 0);
return 0;
}
/* this should fail */
data = bpf_dynptr_data(&ptr, 0, 1);
+ __sink(data);
return 0;
}
* changing packet data
*/
hdr = bpf_dynptr_slice_rdwr(&ptr, 0, buffer, sizeof(buffer));
+ __sink(hdr);
return 0;
}
int test_read_write(void *ctx)
{
char write_data[64] = "hello there, world!!";
- char read_data[64] = {}, buf[64] = {};
+ char read_data[64] = {};
struct bpf_dynptr ptr;
int i;
{
__u8 write_data[2] = {1, 2};
struct bpf_dynptr ptr;
- __u64 *data;
int ret;
if (bpf_dynptr_from_skb(skb, 0, &ptr)) {
SEC("?cgroup_skb/egress")
int test_dynptr_skb_data(struct __sk_buff *skb)
{
- __u8 write_data[2] = {1, 2};
struct bpf_dynptr ptr;
__u64 *data;
- int ret;
if (bpf_dynptr_from_skb(skb, 0, &ptr)) {
err = 1;
void *data = (void *)(long)skb->data;
struct ipv6hdr ip6, *ip6p;
int ifindex = skb->ifindex;
- __u32 eth_proto;
- __u32 nh_off;
/* check that BPF extension can read packet via direct packet access */
if (data + 14 + sizeof(ip6) > data_end)
SEC("freplace/handle_kprobe")
int new_handle_kprobe(struct pt_regs *ctx)
{
- struct hmap_elem zero = {}, *val;
+ struct hmap_elem *val;
int key = 0;
val = bpf_map_lookup_elem(&hash_map, &key);
int iter_err_unsafe_asm_loop(const void *ctx)
{
struct bpf_iter_num it;
- int *v, i = 0;
MY_PID_GUARD();
int iter_while_loop(const void *ctx)
{
struct bpf_iter_num it;
- int *v, i;
+ int *v;
MY_PID_GUARD();
int iter_while_loop_auto_cleanup(const void *ctx)
{
__attribute__((cleanup(bpf_iter_num_destroy))) struct bpf_iter_num it;
- int *v, i;
+ int *v;
MY_PID_GUARD();
int iter_for_loop(const void *ctx)
{
struct bpf_iter_num it;
- int *v, i;
+ int *v;
MY_PID_GUARD();
int iter_manual_unroll_loop(const void *ctx)
{
struct bpf_iter_num it;
- int *v, i;
+ int *v;
MY_PID_GUARD();
int iter_stack_array_loop(const void *ctx)
{
long arr1[16], arr2[16], sum = 0;
- int *v, i;
+ int i;
MY_PID_GUARD();
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
+#include "bpf_misc.h"
/* weak and shared between two files */
const volatile int my_tid __weak;
* cause problems for BPF static linker
*/
whatever = bpf_core_type_size(struct task_struct);
+ __sink(whatever);
output_weak1 = x;
return x;
/* make sure we have CO-RE relocations in main program */
whatever = bpf_core_type_size(struct task_struct);
+ __sink(whatever);
set_output_val2(1000);
set_output_ctx2(ctx); /* ctx definition is hidden in BPF_PROG macro */
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
+#include "bpf_misc.h"
/* weak and shared between both files */
const volatile int my_tid __weak;
* cause problems for BPF static linker
*/
whatever = 2 * bpf_core_type_size(struct task_struct);
+ __sink(whatever);
output_weak2 = x;
return 2 * x;
/* make sure we have CO-RE relocations in main program */
whatever = bpf_core_type_size(struct task_struct);
+ __sink(whatever);
set_output_val1(2000);
set_output_ctx1(ctx); /* ctx definition is hidden in BPF_PROG macro */
int map_list_push_pop_multiple(void *ctx)
{
struct map_value *v;
- int ret;
v = bpf_map_lookup_elem(&array_map, &(int){0});
if (!v)
{
struct map_value *v;
void *map;
- int ret;
map = bpf_map_lookup_elem(&map_of_maps, &(int){0});
if (!map)
int map_list_in_list(void *ctx)
{
struct map_value *v;
- int ret;
v = bpf_map_lookup_elem(&array_map, &(int){0});
if (!v)
{
struct map_value *v;
void *map;
- int ret;
map = bpf_map_lookup_elem(&map_of_maps, &(int){0});
if (!map)
int incorrect_head_off2(void *ctx)
{
struct foo *f;
- struct bar *b;
f = bpf_obj_new(typeof(*f));
if (!f)
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
- __u32 pid = bpf_get_current_pid_tgid() >> 32;
struct local_storage *storage;
int err;
{
struct task_struct *current;
struct map_value *v;
- int ret;
current = bpf_get_current_task_btf();
if (!current)
{
struct task_struct *current;
struct map_value *v;
- int ret;
current = bpf_get_current_task_btf();
if (!current)
{
struct task_struct *current;
struct map_value *v;
- int ret;
current = bpf_get_current_task_btf();
if (!current)
int bpf_nextcnt(struct __sk_buff *skb)
{
union percpu_net_cnt *percpu_cnt;
- char fmt[] = "%d %llu %llu\n";
union net_cnt *cnt;
__u64 ts, dt;
int ret;
do { \
static const char _expectedval[EXPECTED_STRSIZE] = \
_expected; \
- static const char _ptrtype[64] = #_type; \
__u64 _hflags = _flags | BTF_F_COMPACT; \
static _type _ptrdata = __VA_ARGS__; \
static struct btf_ptr _ptr = { }; \
SEC("fentry/" SYS_PREFIX "sys_getpgid")
int bench_perfbuf(void *ctx)
{
- __u64 *sample;
int i;
for (i = 0; i < batch_cnt; i++) {
SEC("raw_tracepoint/kfree_skb")
int on_event(struct bpf_raw_tracepoint_args* ctx)
{
- int i, ret = 0;
+ int ret = 0;
ret |= __on_event(ctx);
ret |= __on_event(ctx);
ret |= __on_event(ctx);
struct bpf_list_node node;
};
-static bool less(struct bpf_rb_node *a, const struct bpf_rb_node *b)
-{
- struct node_data *node_a;
- struct node_data *node_b;
-
- node_a = container_of(a, struct node_data, node);
- node_b = container_of(b, struct node_data, node);
-
- return node_a->key < node_b->key;
-}
-
#define private(name) SEC(".data." #name) __hidden __attribute__((aligned(8)))
private(A) struct bpf_spin_lock glock;
private(A) struct bpf_rb_root groot __contains(node_data, node);
}
SEC("?tc")
-__failure __msg("Unreleased reference id=2 alloc_insn=11")
+__failure __msg("Unreleased reference id=2 alloc_insn=10")
long rbtree_api_remove_no_drop(void *ctx)
{
struct bpf_rb_node *res;
res = bpf_rbtree_remove(&groot, res);
n = container_of(res, struct node_data, node);
+ __sink(n);
bpf_spin_unlock(&glock);
/* bpf_obj_drop(n) is missing here */
int miss_lock(void *ctx)
{
struct task_struct *task;
- struct css_set *cgroups;
- struct cgroup *dfl_cgrp;
/* missing bpf_rcu_read_lock() */
task = bpf_get_current_task_btf();
int miss_unlock(void *ctx)
{
struct task_struct *task;
- struct css_set *cgroups;
- struct cgroup *dfl_cgrp;
/* missing bpf_rcu_read_unlock() */
task = bpf_get_current_task_btf();
int BPF_PROG(read_bpf_task_storage_busy)
{
int *value;
- int key;
if (!CONFIG_PREEMPT)
return 0;
int recvmsg4_prog(struct bpf_sock_addr *ctx)
{
struct bpf_sock *sk;
- __u32 user_ip4;
- __u16 user_port;
sk = ctx->sk;
if (!sk)
int recvmsg6_prog(struct bpf_sock_addr *ctx)
{
struct bpf_sock *sk;
- __u32 user_ip4;
- __u16 user_port;
sk = ctx->sk;
if (!sk)
SEC("cgroup/sendmsg4")
int sendmsg_v4_prog(struct bpf_sock_addr *ctx)
{
- int prio;
-
if (ctx->type != SOCK_DGRAM)
return 0;
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
+#include "bpf_misc.h"
struct {
__uint(type, BPF_MAP_TYPE_SOCKMAP);
__u8 *d = data;
__u8 sk, map;
+ __sink(lport);
+ __sink(rport);
+
if (data + 8 > data_end)
return SK_DROP;
struct strobe_map_raw map;
void *location;
uint64_t len;
- int i;
descr->tag_len = 0; /* presume no tag is set */
descr->cnt = -1; /* presume no value is set */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_legacy.h"
+#include "bpf_misc.h"
struct {
__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
else
bpf_tail_call_static(skb, &jmp_table, 1);
+ __sink(arr[sizeof(arr) - 1]);
+
return skb->len;
}
bpf_tail_call_static(skb, &jmp_table, 0);
+ __sink(arr[sizeof(arr) - 1]);
+
return skb->len * 2;
}
{
volatile char arr[128] = {};
+ __sink(arr[sizeof(arr) - 1]);
+
return subprog_tail2(skb);
}
{
volatile char arr[128] = {};
+ __sink(arr[sizeof(arr) - 1]);
+
return skb->len * 3;
}
{
volatile char arr[128] = {};
+ __sink(arr[sizeof(arr) - 1]);
+
return subprog_tail(skb);
}
// SPDX-License-Identifier: GPL-2.0
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
#define __unused __attribute__((unused))
/* Have data on stack which size is not a multiple of 8 */
volatile char arr[1] = {};
+ __sink(arr[0]);
+
return subprog_tail(skb);
}
acquired = bpf_task_acquire(task);
/* Acquired task is never released. */
+ __sink(acquired);
return 0;
}
SEC("tp_btf/task_newtask")
int BPF_PROG(test_task_from_pid_arg, struct task_struct *task, u64 clone_flags)
{
- struct task_struct *acquired;
-
if (!is_test_kfunc_task())
return 0;
SEC("tp_btf/task_newtask")
int BPF_PROG(test_task_from_pid_current, struct task_struct *task, u64 clone_flags)
{
- struct task_struct *current, *acquired;
-
if (!is_test_kfunc_task())
return 0;
SEC("tp_btf/task_newtask")
int BPF_PROG(test_task_from_pid_invalid, struct task_struct *task, u64 clone_flags)
{
- struct task_struct *acquired;
-
if (!is_test_kfunc_task())
return 0;
struct bpf_ct_opts___local opts_def = { .l4proto = IPPROTO_TCP, .netns_id = -1 };
struct bpf_sock_tuple bpf_tuple;
struct nf_conn *ct;
- int err;
__builtin_memset(&bpf_tuple, 0, sizeof(bpf_tuple.ipv4));
static ret_t skip_next_hops(__u64 *offset, int n)
{
- __u32 res;
switch (n) {
case 1:
*offset += sizeof(struct in_addr);
{
struct core_reloc_bitfields *in = (void *)&data.in;
struct core_reloc_bitfields_output *out = (void *)&data.out;
- uint64_t res;
out->ub1 = BPF_CORE_READ_BITFIELD_PROBED(in, ub1);
out->ub2 = BPF_CORE_READ_BITFIELD_PROBED(in, ub2);
{
volatile char buf[MAX_STACK] = {};
+ __sink(buf[MAX_STACK - 1]);
+
return f0(0, skb) + skb->len;
}
{
volatile char buf[MAX_STACK] = {};
+ __sink(buf[MAX_STACK - 1]);
+
return skb->ifindex * val * var;
}
{
volatile char buf[MAX_STACK] = {};
+ __sink(buf[MAX_STACK - 1]);
+
return f0(0, skb) + skb->len;
}
{
volatile char buf[MAX_STACK] = {};
+ __sink(buf[MAX_STACK - 1]);
+
return skb->ifindex * val * var;
}
SEC("raw_tracepoint/sys_enter")
int bpf_hash_large_key_test(void *ctx)
{
- int zero = 0, err = 1, value = 42;
+ int zero = 0, value = 42;
struct bigelement *key;
key = bpf_map_lookup_elem(&key_map, &zero);
int handler2(const void *ctx)
{
int *active;
- __u32 cpu;
active = bpf_this_cpu_ptr(&bpf_prog_active);
write_active(active);
SEC("tp/raw_syscalls/sys_enter")
int handle_modern(void *ctx)
{
- int zero = 0, cur_pid;
+ int cur_pid;
cur_pid = bpf_get_current_pid_tgid() >> 32;
if (cur_pid != my_pid_var)
SEC("cgroup/skb")
int bpf_map_lock_test(struct __sk_buff *skb)
{
- struct hmap_elem zero = {}, *val;
+ struct hmap_elem *val;
int rnd = bpf_get_prandom_u32();
int key = 0, err = 1, i;
struct array_elem *q;
#include <stddef.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__u64 *value;
value = bpf_map_lookup_elem(&test_map_id, &key);
+ __sink(value);
return 0;
}
__u8 tcp_hdr_opt_len = 0;
struct tcphdr *tcp_hdr;
__u64 tcp_offset = 0;
- __u32 off;
int err;
tcp_offset = sizeof(struct ethhdr) + sizeof(struct ipv6hdr);
static int parse_hdr_opt(struct bpf_dynptr *ptr, __u32 *off, __u8 *hdr_bytes_remaining,
__u32 *server_id)
{
- __u8 *tcp_opt, kind, hdr_len;
+ __u8 kind, hdr_len;
__u8 buffer[sizeof(kind) + sizeof(hdr_len) + sizeof(*server_id)];
__u8 *data;
#include <linux/pkt_cls.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
+#include "bpf_misc.h"
/* llvm will optimize both subprograms into exactly the same BPF assembly
*
{
volatile char buf[MAX_STACK] = {};
+ __sink(buf[MAX_STACK - 1]);
+
return skb->len;
}
{
volatile char buf[MAX_STACK] = {};
+ __sink(buf[MAX_STACK - 1]);
+
return skb->ifindex * val * var;
}
{
int cur_pid = bpf_get_current_pid_tgid() >> 32;
struct sample *sample;
- int zero = 0;
if (cur_pid != pid)
return 0;
/* test using 'sample' (PTR_TO_MEM | MEM_ALLOC) as map key arg
*/
lookup_val = (int *)bpf_map_lookup_elem(&hash_map, sample);
+ __sink(lookup_val);
/* workaround - memcpy is necessary so that verifier doesn't
* complain with:
int cur_pid = bpf_get_current_pid_tgid() >> 32;
struct sample *sample;
void *rb;
- int zero = 0;
if (cur_pid != pid)
return 0;
int _select_by_skb_data(struct sk_reuseport_md *reuse_md)
{
__u32 linum, index = 0, flags = 0, index_zero = 0;
- __u32 *result_cnt, *linum_value;
+ __u32 *result_cnt;
struct data_check data_check = {};
struct cmd *cmd, cmd_copy;
void *data, *data_end;
#include <sys/socket.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
+#include "bpf_misc.h"
#if defined(IPROUTE2_HAVE_LIBBPF)
/* Use a new-style map definition. */
void *data = (void *)(long)skb->data;
struct bpf_sock_tuple *result;
struct ethhdr *eth;
- __u64 tuple_len;
__u8 proto = 0;
__u64 ihl_len;
return NULL;
*tcp = (proto == IPPROTO_TCP);
+ __sink(ihl_len);
return result;
}
struct bpf_sock_tuple *tuple;
bool ipv4 = false;
bool tcp = false;
- int tuple_len;
int ret = 0;
tuple = get_tuple(skb, &ipv4, &tcp);
int ctx_narrow_access(struct bpf_sk_lookup *ctx)
{
struct bpf_sock *sk;
- int err, family;
__u32 val_u32;
bool v4;
SEC("sk_lookup")
int multi_prog_redir1(struct bpf_sk_lookup *ctx)
{
- int ret;
-
- ret = select_server_a(ctx);
+ (void)select_server_a(ctx);
bpf_map_update_elem(&run_map, &KEY_PROG1, &PROG_DONE, BPF_ANY);
return SK_PASS;
}
SEC("sk_lookup")
int multi_prog_redir2(struct bpf_sk_lookup *ctx)
{
- int ret;
-
- ret = select_server_a(ctx);
+ (void)select_server_a(ctx);
bpf_map_update_elem(&run_map, &KEY_PROG2, &PROG_DONE, BPF_ANY);
return SK_PASS;
}
{
struct bpf_sock_tuple tuple = {};
struct bpf_sock *sk;
- __u32 family;
sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
if (sk) {
{
struct bpf_sock_tuple tuple = {};
struct bpf_sock *sk;
- __u32 family;
sk = bpf_sk_lookup_tcp(skb, &tuple, sizeof(tuple), BPF_F_CURRENT_NETNS, 0);
sk += 1;
SEC("cgroup_skb/egress")
int egress_read_sock_fields(struct __sk_buff *skb)
{
- struct bpf_spinlock_cnt cli_cnt_init = { .lock = 0, .cnt = 0xeB9F };
+ struct bpf_spinlock_cnt cli_cnt_init = { .lock = {}, .cnt = 0xeB9F };
struct bpf_spinlock_cnt *pkt_out_cnt, *pkt_out_cnt10;
struct bpf_tcp_sock *tp, *tp_ret;
struct bpf_sock *sk, *sk_ret;
#include <sys/socket.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
+#include "bpf_misc.h"
/* Sockmap sample program connects a client and a backend together
* using cgroups.
int len, *f, ret, zero = 0;
__u64 flags = 0;
+ __sink(rport);
if (lport == 10000)
ret = 10;
else
ret = 1;
len = (__u32)skb->data_end - (__u32)skb->data;
+ __sink(len);
+
f = bpf_map_lookup_elem(&sock_skb_opts, &zero);
if (f && *f) {
ret = 3;
if (err)
return SK_DROP;
bpf_write_pass(skb, 13);
-tls_out:
return ret;
}
int bpf_sockmap(struct bpf_sock_ops *skops)
{
__u32 lport, rport;
- int op, err = 0, index, key, ret;
-
+ int op, err, ret;
op = (int) skops->op;
break;
}
+ __sink(err);
+
return 0;
}
} else {
return SK_DROP;
}
+
+ __sink(data_end);
+ __sink(data);
+
return SK_PASS;
}
SEC("sk_msg4")
#include <linux/bpf.h>
#include <linux/version.h>
#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
struct hmap_elem {
volatile int cnt;
credit = q->credit;
bpf_spin_unlock(&q->lock);
+ __sink(credit);
+
/* spin_lock in cgroup local storage */
cls = bpf_get_local_storage(&cls_map, 0);
bpf_spin_lock(&cls->lock);
ip6h = data + sizeof(struct ethhdr);
if (ip6h + 1 > data_end)
return -1;
- if (v6_equal(ip6h->saddr, (struct in6_addr)ip6_src))
+ if (v6_equal(ip6h->saddr, (struct in6_addr){{ip6_src}}))
ns = SRC_NS;
- else if (v6_equal(ip6h->saddr, (struct in6_addr)ip6_dst))
+ else if (v6_equal(ip6h->saddr, (struct in6_addr){{ip6_dst}}))
ns = DST_NS;
inet_proto = ip6h->nexthdr;
trans = ip6h + 1;
redirect = is_remote_ep_v4(skb, __bpf_constant_htonl(ip4_src));
break;
case __bpf_constant_htons(ETH_P_IPV6):
- redirect = is_remote_ep_v6(skb, (struct in6_addr)ip6_src);
+ redirect = is_remote_ep_v6(skb, (struct in6_addr){{ip6_src}});
break;
}
redirect = is_remote_ep_v4(skb, __bpf_constant_htonl(ip4_dst));
break;
case __bpf_constant_htons(ETH_P_IPV6):
- redirect = is_remote_ep_v6(skb, (struct in6_addr)ip6_dst);
+ redirect = is_remote_ep_v6(skb, (struct in6_addr){{ip6_dst}});
break;
}
struct bpf_sock_ops *reuse = skops;
struct tcphdr *thdr;
int window_clamp = 9216;
- int good_call_rv = 0;
- int bad_call_rv = 0;
int save_syn = 1;
int rv = -1;
int v = 0;
{
struct bpf_tunnel_key key;
struct erspan_metadata md;
- __u32 index;
int ret;
ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
{
struct bpf_tunnel_key key;
struct erspan_metadata md;
- __u32 index;
int ret;
ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
int ret;
struct bpf_tunnel_key key;
struct vxlan_metadata md;
- __u32 orig_daddr;
- __u32 index = 0;
ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key),
BPF_F_TUNINFO_FLAGS);
void *data_end = (void *)(long)skb->data_end;
struct udphdr *udph;
struct iphdr *iph;
- __u32 index = 0;
int ret = 0;
- int shrink;
__s64 csum;
if ((void *)eth + sizeof(*eth) > data_end) {
SEC("usdt//proc/self/exe:test:usdt_100")
int BPF_USDT(usdt_100, int x)
{
- long tmp;
-
if (my_pid != (bpf_get_current_pid_tgid() >> 32))
return 0;
void *data_end = (void *)(long)ctx->data_end;
void *data = (void *)(long)ctx->data;
void *ptr;
- int ret = 0, nh_off, i = 0;
+ int nh_off, i = 0;
nh_off = 14;
void *data_end = (void *)(long)ctx->data_end;
void *data = (void *)(long)ctx->data;
void *ptr;
- int ret = 0, nh_off, i = 0;
+ int nh_off, i = 0;
nh_off = 14;
void *data_end = (void *)(long)ctx->data_end;
void *data = (void *)(long)ctx->data;
void *ptr;
- int ret = 0, nh_off, i = 0;
+ int nh_off, i = 0;
nh_off = 32;
SEC("xdp")
int _xdp_adjust_tail_grow(struct xdp_md *xdp)
{
- void *data_end = (void *)(long)xdp->data_end;
- void *data = (void *)(long)xdp->data;
int data_len = bpf_xdp_get_buff_len(xdp);
int offset = 0;
/* SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) */
int BPF_PROG(trace_on_entry, struct xdp_buff *xdp)
{
struct meta meta;
- void *data_end = (void *)(long)xdp->data_end;
- void *data = (void *)(long)xdp->data;
meta.ifindex = xdp->rxq->dev->ifindex;
meta.pkt_len = bpf_xdp_get_buff_len((struct xdp_md *)xdp);
struct iptnl_info *tnl;
struct ethhdr *new_eth;
struct ethhdr *old_eth;
- __u32 transport_hdr_sz;
struct iphdr *iph;
__u16 *next_iph;
__u16 payload_len;
struct iptnl_info *tnl;
struct ethhdr *new_eth;
struct ethhdr *old_eth;
- __u32 transport_hdr_sz;
struct ipv6hdr *ip6h;
__u16 payload_len;
struct vip vip = {};
return true;
}
-static __attribute__ ((noinline))
-bool decap_v6(struct xdp_md *xdp, void **data, void **data_end, bool inner_v4)
-{
- struct eth_hdr *new_eth;
- struct eth_hdr *old_eth;
-
- old_eth = *data;
- new_eth = *data + sizeof(struct ipv6hdr);
- memcpy(new_eth->eth_source, old_eth->eth_source, 6);
- memcpy(new_eth->eth_dest, old_eth->eth_dest, 6);
- if (inner_v4)
- new_eth->eth_proto = 8;
- else
- new_eth->eth_proto = 56710;
- if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct ipv6hdr)))
- return false;
- *data = (void *)(long)xdp->data;
- *data_end = (void *)(long)xdp->data_end;
- return true;
-}
-
-static __attribute__ ((noinline))
-bool decap_v4(struct xdp_md *xdp, void **data, void **data_end)
-{
- struct eth_hdr *new_eth;
- struct eth_hdr *old_eth;
-
- old_eth = *data;
- new_eth = *data + sizeof(struct iphdr);
- memcpy(new_eth->eth_source, old_eth->eth_source, 6);
- memcpy(new_eth->eth_dest, old_eth->eth_dest, 6);
- new_eth->eth_proto = 8;
- if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct iphdr)))
- return false;
- *data = (void *)(long)xdp->data;
- *data_end = (void *)(long)xdp->data_end;
- return true;
-}
-
static __attribute__ ((noinline))
int swap_mac_and_send(void *data, void *data_end)
{
__u16 *next_iph_u16;
__u32 tmp_addr = 0;
struct iphdr *iph;
- __u32 csum1 = 0;
__u32 csum = 0;
__u64 off = 0;
void *data_end)
{
struct iphdr *iph;
- __u64 iph_len;
int action;
iph = data + off;
struct packet_description pckt = { };
struct vip_definition vip = { };
struct lb_stats *data_stats;
- struct eth_hdr *eth = data;
void *lru_map = &lru_cache;
struct vip_meta *vip_info;
__u32 lru_stats_key = 513;
__u32 stats_key = 512;
struct ctl_value *cval;
__u16 pkt_bytes;
- __u64 iph_len;
__u8 protocol;
__u32 vip_num;
int action;
return XDP_PASS;
}
-static __always_inline
-void shift_mac_4bytes_16bit(void *data)
-{
- __u16 *p = data;
-
- p[7] = p[5]; /* delete p[7] was vlan_hdr->h_vlan_TCI */
- p[6] = p[4]; /* delete p[6] was ethhdr->h_proto */
- p[5] = p[3];
- p[4] = p[2];
- p[3] = p[1];
- p[2] = p[0];
-}
-
static __always_inline
void shift_mac_4bytes_32bit(void *data)
{
int BPF_PROG(untrusted_ptr, struct pt_regs *regs, long id)
{
struct task_struct *task, *task_dup;
- long *ptr;
task = bpf_get_current_task_btf();
task_dup = bpf_rdonly_cast(task, bpf_core_type_id_kernel(struct task_struct));
int sock(struct bpf_sock *ctx)
{
int *sk_storage;
- __u32 key;
if (ctx->type != SOCK_DGRAM)
return 1;
int sock_release(struct bpf_sock *ctx)
{
int *sk_storage;
- __u32 key;
if (ctx->type != SOCK_DGRAM)
return 1;
int test_user_ringbuf_protocol(void *ctx)
{
long status = 0;
- struct sample *sample = NULL;
- struct bpf_dynptr ptr;
if (!is_test_process())
return 0;
SEC("fentry/" SYS_PREFIX "sys_getpgid")
int test_user_ringbuf(void *ctx)
{
- int status = 0;
- struct sample *sample = NULL;
- struct bpf_dynptr ptr;
-
if (!is_test_process())
return 0;
struct tlv_hdr *tlv;
struct udphdr *uh;
__be16 port;
- __u8 *cmd;
if (eh + 1 > (struct ethhdr *)data_end)
return -EINVAL;
SEC("xdp")
int xdping_client(struct xdp_md *ctx)
{
- void *data_end = (void *)(long)ctx->data_end;
void *data = (void *)(long)ctx->data;
struct pinginfo *pinginfo = NULL;
struct ethhdr *eth = data;
SEC("xdp")
int xdping_server(struct xdp_md *ctx)
{
- void *data_end = (void *)(long)ctx->data_end;
void *data = (void *)(long)ctx->data;
struct ethhdr *eth = data;
struct icmphdr *icmph;
void *data = (void *)(long)(ctx->data);
struct fw_match_info match_info = {};
struct pkt_info info = {};
- __u8 parse_err = NO_ERR;
void *transport_hdr;
struct ethhdr *eth;
bool filter_res;
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