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-rw-r--r--src/xdp/common/common_libbpf.c15
-rw-r--r--src/xdp/common/common_user_bpf_xdp.c47
-rw-r--r--src/xdp/common/xdp_stats_kern.h12
-rw-r--r--src/xdp/xdp_prog_kern.c30
4 files changed, 58 insertions, 46 deletions
diff --git a/src/xdp/common/common_libbpf.c b/src/xdp/common/common_libbpf.c
index 5788ecd9e..443ca4c66 100644
--- a/src/xdp/common/common_libbpf.c
+++ b/src/xdp/common/common_libbpf.c
@@ -24,10 +24,6 @@ static inline bool IS_ERR_OR_NULL(const void *ptr)
int bpf_prog_load_xattr_maps(const struct bpf_prog_load_attr_maps *attr,
struct bpf_object **pobj, int *prog_fd)
{
- struct bpf_object_open_attr open_attr = {
- .file = attr->file,
- .prog_type = attr->prog_type,
- };
struct bpf_program *prog, *first_prog = NULL;
enum bpf_attach_type expected_attach_type;
enum bpf_prog_type prog_type;
@@ -41,10 +37,13 @@ int bpf_prog_load_xattr_maps(const struct bpf_prog_load_attr_maps *attr,
if (!attr->file)
return -EINVAL;
+ obj = bpf_object__open_file(attr->file, NULL);
- obj = bpf_object__open_xattr(&open_attr);
- if (IS_ERR_OR_NULL(obj))
- return -ENOENT;
+ if (libbpf_get_error(obj))
+ return -EINVAL;
+
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, attr->prog_type);
bpf_object__for_each_program(prog, obj) {
/*
@@ -82,7 +81,7 @@ int bpf_prog_load_xattr_maps(const struct bpf_prog_load_attr_maps *attr,
bpf_map__for_each(map, obj) {
const char* mapname = bpf_map__name(map);
- if (!bpf_map__is_offload_neutral(map))
+ if (bpf_map__type(map) != BPF_MAP_TYPE_PERF_EVENT_ARRAY)
bpf_map__set_ifindex(map, attr->ifindex);
/* Was: map->map_ifindex = attr->ifindex; */
diff --git a/src/xdp/common/common_user_bpf_xdp.c b/src/xdp/common/common_user_bpf_xdp.c
index faf7f4f91..524f08c9d 100644
--- a/src/xdp/common/common_user_bpf_xdp.c
+++ b/src/xdp/common/common_user_bpf_xdp.c
@@ -21,7 +21,7 @@ int xdp_link_attach(int ifindex, __u32 xdp_flags, int prog_fd)
int err;
/* libbpf provide the XDP net_device link-level hook attach helper */
- err = bpf_set_link_xdp_fd(ifindex, prog_fd, xdp_flags);
+ err = bpf_xdp_attach(ifindex, prog_fd, xdp_flags, NULL);
if (err == -EEXIST && !(xdp_flags & XDP_FLAGS_UPDATE_IF_NOEXIST)) {
/* Force mode didn't work, probably because a program of the
* opposite type is loaded. Let's unload that and try loading
@@ -32,9 +32,9 @@ int xdp_link_attach(int ifindex, __u32 xdp_flags, int prog_fd)
xdp_flags &= ~XDP_FLAGS_MODES;
xdp_flags |= (old_flags & XDP_FLAGS_SKB_MODE) ? XDP_FLAGS_DRV_MODE : XDP_FLAGS_SKB_MODE;
- err = bpf_set_link_xdp_fd(ifindex, -1, xdp_flags);
+ err = bpf_xdp_detach(ifindex, xdp_flags, NULL);
if (!err)
- err = bpf_set_link_xdp_fd(ifindex, prog_fd, old_flags);
+ err = bpf_xdp_attach(ifindex, prog_fd, old_flags, NULL);
}
if (err < 0) {
fprintf(stderr, "ERR: "
@@ -65,7 +65,7 @@ int xdp_link_detach(int ifindex, __u32 xdp_flags, __u32 expected_prog_id)
__u32 curr_prog_id;
int err;
- err = bpf_get_link_xdp_id(ifindex, &curr_prog_id, xdp_flags);
+ err = bpf_xdp_query_id(ifindex, xdp_flags, &curr_prog_id);
if (err) {
fprintf(stderr, "ERR: get link xdp id failed (err=%d): %s\n",
-err, strerror(-err));
@@ -86,7 +86,7 @@ int xdp_link_detach(int ifindex, __u32 xdp_flags, __u32 expected_prog_id)
return EXIT_FAIL;
}
- if ((err = bpf_set_link_xdp_fd(ifindex, -1, xdp_flags)) < 0) {
+ if ((err = bpf_xdp_detach(ifindex, xdp_flags, NULL)) < 0) {
fprintf(stderr, "ERR: %s() link set xdp failed (err=%d): %s\n",
__func__, err, strerror(-err));
return EXIT_FAIL_XDP;
@@ -109,22 +109,28 @@ struct bpf_object *load_bpf_object_file(const char *filename, int ifindex)
* hardware offloading XDP programs (note this sets libbpf
* bpf_program->prog_ifindex and foreach bpf_map->map_ifindex).
*/
- struct bpf_prog_load_attr prog_load_attr = {
- .prog_type = BPF_PROG_TYPE_XDP,
- .ifindex = ifindex,
- };
- prog_load_attr.file = filename;
+ struct bpf_program *prog;
+ obj = bpf_object__open_file(filename, NULL);
+
+ if (libbpf_get_error(obj))
+ return NULL;
+
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+ bpf_program__set_ifindex(prog, ifindex);
/* Use libbpf for extracting BPF byte-code from BPF-ELF object, and
* loading this into the kernel via bpf-syscall
*/
- err = bpf_prog_load_xattr(&prog_load_attr, &obj, &first_prog_fd);
+ err = bpf_object__load(obj);
if (err) {
fprintf(stderr, "ERR: loading BPF-OBJ file(%s) (%d): %s\n",
filename, err, strerror(-err));
return NULL;
}
+ first_prog_fd = bpf_program__fd(prog);
+
/* Notice how a pointer to a libbpf bpf_object is returned */
return obj;
}
@@ -136,12 +142,15 @@ static struct bpf_object *open_bpf_object(const char *file, int ifindex)
struct bpf_map *map;
struct bpf_program *prog, *first_prog = NULL;
- struct bpf_object_open_attr open_attr = {
- .file = file,
- .prog_type = BPF_PROG_TYPE_XDP,
- };
+ obj = bpf_object__open_file(file, NULL);
- obj = bpf_object__open_xattr(&open_attr);
+ if (libbpf_get_error(obj))
+ return NULL;
+
+ prog = bpf_object__next_program(obj, NULL);
+ bpf_program__set_type(prog, BPF_PROG_TYPE_XDP);
+
+ err = bpf_object__load(obj);
if (IS_ERR_OR_NULL(obj)) {
err = -PTR_ERR(obj);
fprintf(stderr, "ERR: opening BPF-OBJ file(%s) (%d): %s\n",
@@ -157,7 +166,7 @@ static struct bpf_object *open_bpf_object(const char *file, int ifindex)
}
bpf_object__for_each_map(map, obj) {
- if (!bpf_map__is_offload_neutral(map))
+ if (bpf_map__type(map) != BPF_MAP_TYPE_PERF_EVENT_ARRAY)
bpf_map__set_ifindex(map, ifindex);
}
@@ -264,10 +273,10 @@ struct bpf_object *load_bpf_and_xdp_attach(struct config *cfg)
if (cfg->progsec[0])
/* Find a matching BPF prog section name */
- bpf_prog = bpf_object__find_program_by_title(bpf_obj, cfg->progsec);
+ bpf_prog = bpf_object__find_program_by_name(bpf_obj, cfg->progsec);
else
/* Find the first program */
- bpf_prog = bpf_program__next(NULL, bpf_obj);
+ bpf_prog = bpf_object__next_program(bpf_obj, NULL);
if (!bpf_prog) {
fprintf(stderr, "ERR: couldn't find a program in ELF section '%s'\n", cfg->progsec);
diff --git a/src/xdp/common/xdp_stats_kern.h b/src/xdp/common/xdp_stats_kern.h
index 4e08551a0..c061a149d 100644
--- a/src/xdp/common/xdp_stats_kern.h
+++ b/src/xdp/common/xdp_stats_kern.h
@@ -13,12 +13,12 @@
#endif
/* Keeps stats per (enum) xdp_action */
-struct bpf_map_def SEC("maps") xdp_stats_map = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct datarec),
- .max_entries = XDP_ACTION_MAX,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __type(key, __u32);
+ __type(value, struct datarec);
+ __uint(max_entries, XDP_ACTION_MAX);
+} xdp_stats_map SEC(".maps");
static __always_inline
__u32 xdp_stats_record_action(struct xdp_md *ctx, __u32 action)
diff --git a/src/xdp/xdp_prog_kern.c b/src/xdp/xdp_prog_kern.c
index a1eb395af..59308325d 100644
--- a/src/xdp/xdp_prog_kern.c
+++ b/src/xdp/xdp_prog_kern.c
@@ -16,19 +16,19 @@
#define memcpy(dest, src, n) __builtin_memcpy((dest), (src), (n))
#endif
-struct bpf_map_def SEC("maps") tx_port = {
- .type = BPF_MAP_TYPE_DEVMAP,
- .key_size = sizeof(int),
- .value_size = sizeof(int),
- .max_entries = 256,
-};
-
-struct bpf_map_def SEC("maps") redirect_params = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = ETH_ALEN,
- .value_size = ETH_ALEN,
- .max_entries = 1,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_DEVMAP);
+ __type(key, int);
+ __type(value, int);
+ __uint(max_entries, 256);
+} tx_port SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, ETH_ALEN);
+ __type(value, ETH_ALEN);
+ __uint(max_entries, 1);
+} redirect_params SEC(".maps");
static __always_inline __u16 csum_fold_helper(__u32 csum)
{
@@ -208,8 +208,12 @@ out:
return xdp_stats_record_action(ctx, action);
}
+#ifndef AF_INET
#define AF_INET 2
+#endif
+#ifndef AF_INET6
#define AF_INET6 10
+#endif
#define IPV6_FLOWINFO_MASK bpf_htonl(0x0FFFFFFF)
/* from include/net/ip.h */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 00:34:37 +0000