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authorAndrii Nakryiko <andrii@kernel.org>2022-02-03 01:59:16 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2022-02-03 18:32:25 +0300
commit1e4edb6d8c4f045823291862e7e28591cb6f2067 (patch)
tree3c8240d57d32432db4e88d68f76d9258d98c7c15 /samples/bpf
parente4e284a8c0d9823c07ee674445de05928be67231 (diff)
downloadlinux-1e4edb6d8c4f045823291862e7e28591cb6f2067.tar.xz
samples/bpf: Get rid of bpf_prog_load_xattr() use
Remove all the remaining uses of deprecated bpf_prog_load_xattr() API. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20220202225916.3313522-7-andrii@kernel.org
Diffstat (limited to 'samples/bpf')
-rw-r--r--samples/bpf/xdp1_user.c16
-rw-r--r--samples/bpf/xdp_adjust_tail_user.c17
-rw-r--r--samples/bpf/xdp_fwd_user.c15
-rw-r--r--samples/bpf/xdp_router_ipv4_user.c17
-rw-r--r--samples/bpf/xdp_rxq_info_user.c16
-rw-r--r--samples/bpf/xdp_tx_iptunnel_user.c17
6 files changed, 63 insertions, 35 deletions
diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c
index 3ec8ad9c1750..631f0cabe139 100644
--- a/samples/bpf/xdp1_user.c
+++ b/samples/bpf/xdp1_user.c
@@ -79,13 +79,11 @@ static void usage(const char *prog)
int main(int argc, char **argv)
{
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- };
struct bpf_prog_info info = {};
__u32 info_len = sizeof(info);
const char *optstr = "FSN";
int prog_fd, map_fd, opt;
+ struct bpf_program *prog;
struct bpf_object *obj;
struct bpf_map *map;
char filename[256];
@@ -123,11 +121,19 @@ int main(int argc, char **argv)
}
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
- prog_load_attr.file = filename;
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj))
+ return 1;
+
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
- if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
+ err = bpf_object__load(obj);
+ if (err)
return 1;
+ prog_fd = bpf_program__fd(prog);
+
map = bpf_object__next_map(obj, NULL);
if (!map) {
printf("finding a map in obj file failed\n");
diff --git a/samples/bpf/xdp_adjust_tail_user.c b/samples/bpf/xdp_adjust_tail_user.c
index 6c61d5f570fb..b3f6e49676ed 100644
--- a/samples/bpf/xdp_adjust_tail_user.c
+++ b/samples/bpf/xdp_adjust_tail_user.c
@@ -82,15 +82,13 @@ static void usage(const char *cmd)
int main(int argc, char **argv)
{
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- };
unsigned char opt_flags[256] = {};
const char *optstr = "i:T:P:SNFh";
struct bpf_prog_info info = {};
__u32 info_len = sizeof(info);
unsigned int kill_after_s = 0;
int i, prog_fd, map_fd, opt;
+ struct bpf_program *prog;
struct bpf_object *obj;
__u32 max_pckt_size = 0;
__u32 key = 0;
@@ -148,11 +146,20 @@ int main(int argc, char **argv)
}
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
- prog_load_attr.file = filename;
- if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj))
return 1;
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+
+ err = bpf_object__load(obj);
+ if (err)
+ return 1;
+
+ prog_fd = bpf_program__fd(prog);
+
/* static global var 'max_pcktsz' is accessible from .data section */
if (max_pckt_size) {
map_fd = bpf_object__find_map_fd_by_name(obj, "xdp_adju.data");
diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
index 79ccd9891924..1828487bae9a 100644
--- a/samples/bpf/xdp_fwd_user.c
+++ b/samples/bpf/xdp_fwd_user.c
@@ -75,14 +75,11 @@ static void usage(const char *prog)
int main(int argc, char **argv)
{
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- };
const char *prog_name = "xdp_fwd";
struct bpf_program *prog = NULL;
struct bpf_program *pos;
const char *sec_name;
- int prog_fd, map_fd = -1;
+ int prog_fd = -1, map_fd = -1;
char filename[PATH_MAX];
struct bpf_object *obj;
int opt, i, idx, err;
@@ -119,7 +116,6 @@ int main(int argc, char **argv)
if (attach) {
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
- prog_load_attr.file = filename;
if (access(filename, O_RDONLY) < 0) {
printf("error accessing file %s: %s\n",
@@ -127,7 +123,14 @@ int main(int argc, char **argv)
return 1;
}
- err = bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj))
+ return 1;
+
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+
+ err = bpf_object__load(obj);
if (err) {
printf("Does kernel support devmap lookup?\n");
/* If not, the error message will be:
diff --git a/samples/bpf/xdp_router_ipv4_user.c b/samples/bpf/xdp_router_ipv4_user.c
index 2d565ba54b8c..6dae87d83e1c 100644
--- a/samples/bpf/xdp_router_ipv4_user.c
+++ b/samples/bpf/xdp_router_ipv4_user.c
@@ -640,12 +640,10 @@ static void usage(const char *prog)
int main(int ac, char **argv)
{
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- };
struct bpf_prog_info info = {};
__u32 info_len = sizeof(info);
const char *optstr = "SF";
+ struct bpf_program *prog;
struct bpf_object *obj;
char filename[256];
char **ifname_list;
@@ -653,7 +651,6 @@ int main(int ac, char **argv)
int err, i = 1;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
- prog_load_attr.file = filename;
total_ifindex = ac - 1;
ifname_list = (argv + 1);
@@ -684,14 +681,20 @@ int main(int ac, char **argv)
return 1;
}
- if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj))
return 1;
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+
printf("\n******************loading bpf file*********************\n");
- if (!prog_fd) {
- printf("bpf_prog_load_xattr: %s\n", strerror(errno));
+ err = bpf_object__load(obj);
+ if (err) {
+ printf("bpf_object__load(): %s\n", strerror(errno));
return 1;
}
+ prog_fd = bpf_program__fd(prog);
lpm_map_fd = bpf_object__find_map_fd_by_name(obj, "lpm_map");
rxcnt_map_fd = bpf_object__find_map_fd_by_name(obj, "rxcnt");
diff --git a/samples/bpf/xdp_rxq_info_user.c b/samples/bpf/xdp_rxq_info_user.c
index fb2532d13aac..f2d90cba5164 100644
--- a/samples/bpf/xdp_rxq_info_user.c
+++ b/samples/bpf/xdp_rxq_info_user.c
@@ -450,14 +450,12 @@ static void stats_poll(int interval, int action, __u32 cfg_opt)
int main(int argc, char **argv)
{
__u32 cfg_options= NO_TOUCH ; /* Default: Don't touch packet memory */
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- };
struct bpf_prog_info info = {};
__u32 info_len = sizeof(info);
int prog_fd, map_fd, opt, err;
bool use_separators = true;
struct config cfg = { 0 };
+ struct bpf_program *prog;
struct bpf_object *obj;
struct bpf_map *map;
char filename[256];
@@ -471,11 +469,19 @@ int main(int argc, char **argv)
char *action_str = NULL;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
- prog_load_attr.file = filename;
- if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj))
return EXIT_FAIL;
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+
+ err = bpf_object__load(obj);
+ if (err)
+ return EXIT_FAIL;
+ prog_fd = bpf_program__fd(prog);
+
map = bpf_object__find_map_by_name(obj, "config_map");
stats_global_map = bpf_object__find_map_by_name(obj, "stats_global_map");
rx_queue_index_map = bpf_object__find_map_by_name(obj, "rx_queue_index_map");
diff --git a/samples/bpf/xdp_tx_iptunnel_user.c b/samples/bpf/xdp_tx_iptunnel_user.c
index 7370c03c96fc..2e811e4331cc 100644
--- a/samples/bpf/xdp_tx_iptunnel_user.c
+++ b/samples/bpf/xdp_tx_iptunnel_user.c
@@ -152,9 +152,6 @@ static int parse_ports(const char *port_str, int *min_port, int *max_port)
int main(int argc, char **argv)
{
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- };
int min_port = 0, max_port = 0, vip2tnl_map_fd;
const char *optstr = "i:a:p:s:d:m:T:P:FSNh";
unsigned char opt_flags[256] = {};
@@ -162,6 +159,7 @@ int main(int argc, char **argv)
__u32 info_len = sizeof(info);
unsigned int kill_after_s = 0;
struct iptnl_info tnl = {};
+ struct bpf_program *prog;
struct bpf_object *obj;
struct vip vip = {};
char filename[256];
@@ -259,15 +257,20 @@ int main(int argc, char **argv)
}
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
- prog_load_attr.file = filename;
- if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj))
return 1;
- if (!prog_fd) {
- printf("bpf_prog_load_xattr: %s\n", strerror(errno));
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+
+ err = bpf_object__load(obj);
+ if (err) {
+ printf("bpf_object__load(): %s\n", strerror(errno));
return 1;
}
+ prog_fd = bpf_program__fd(prog);
rxcnt_map_fd = bpf_object__find_map_fd_by_name(obj, "rxcnt");
vip2tnl_map_fd = bpf_object__find_map_fd_by_name(obj, "vip2tnl");