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-rw-r--r--include/linux/bpf.h3
-rw-r--r--include/linux/bpf_verifier.h2
-rw-r--r--include/linux/btf.h5
-rw-r--r--include/linux/module.h4
-rw-r--r--include/linux/skmsg.h9
-rw-r--r--include/linux/socket.h1
-rw-r--r--include/linux/trace_events.h8
-rw-r--r--include/net/tls.h9
-rw-r--r--include/uapi/linux/bpf.h13
-rw-r--r--include/uapi/linux/btf.h20
10 files changed, 68 insertions, 6 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 0c992b86eb2c..e734f163bd0b 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -23,6 +23,7 @@ struct bpf_prog;
struct bpf_map;
struct sock;
struct seq_file;
+struct btf;
struct btf_type;
/* map is generic key/value storage optionally accesible by eBPF programs */
@@ -52,6 +53,7 @@ struct bpf_map_ops {
void (*map_seq_show_elem)(struct bpf_map *map, void *key,
struct seq_file *m);
int (*map_check_btf)(const struct bpf_map *map,
+ const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
};
@@ -126,6 +128,7 @@ static inline bool bpf_map_support_seq_show(const struct bpf_map *map)
}
int map_check_no_btf(const struct bpf_map *map,
+ const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index c736945be7c5..c233efc106c6 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -38,6 +38,7 @@ enum bpf_reg_liveness {
REG_LIVE_NONE = 0, /* reg hasn't been read or written this branch */
REG_LIVE_READ, /* reg was read, so we're sensitive to initial value */
REG_LIVE_WRITTEN, /* reg was written first, screening off later reads */
+ REG_LIVE_DONE = 4, /* liveness won't be updating this register anymore */
};
struct bpf_reg_state {
@@ -224,6 +225,7 @@ struct bpf_verifier_env {
bool allow_ptr_leaks;
bool seen_direct_write;
struct bpf_insn_aux_data *insn_aux_data; /* array of per-insn state */
+ const struct bpf_line_info *prev_linfo;
struct bpf_verifier_log log;
struct bpf_subprog_info subprog_info[BPF_MAX_SUBPROGS + 1];
u32 subprog_cnt;
diff --git a/include/linux/btf.h b/include/linux/btf.h
index b98405a56383..12502e25e767 100644
--- a/include/linux/btf.h
+++ b/include/linux/btf.h
@@ -7,6 +7,7 @@
#include <linux/types.h>
struct btf;
+struct btf_member;
struct btf_type;
union bpf_attr;
@@ -46,7 +47,9 @@ void btf_type_seq_show(const struct btf *btf, u32 type_id, void *obj,
struct seq_file *m);
int btf_get_fd_by_id(u32 id);
u32 btf_id(const struct btf *btf);
-bool btf_name_offset_valid(const struct btf *btf, u32 offset);
+bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s,
+ const struct btf_member *m,
+ u32 expected_offset, u32 expected_size);
#ifdef CONFIG_BPF_SYSCALL
const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id);
diff --git a/include/linux/module.h b/include/linux/module.h
index fce6b4335e36..5f147dd5e709 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -432,6 +432,10 @@ struct module {
unsigned int num_tracepoints;
tracepoint_ptr_t *tracepoints_ptrs;
#endif
+#ifdef CONFIG_BPF_EVENTS
+ unsigned int num_bpf_raw_events;
+ struct bpf_raw_event_map *bpf_raw_events;
+#endif
#ifdef HAVE_JUMP_LABEL
struct jump_entry *jump_entries;
unsigned int num_jump_entries;
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index 2a11e9d91dfa..178a3933a71b 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -36,6 +36,7 @@ struct sk_msg_sg {
struct scatterlist data[MAX_MSG_FRAGS + 1];
};
+/* UAPI in filter.c depends on struct sk_msg_sg being first element. */
struct sk_msg {
struct sk_msg_sg sg;
void *data;
@@ -416,6 +417,14 @@ static inline void sk_psock_put(struct sock *sk, struct sk_psock *psock)
sk_psock_drop(sk, psock);
}
+static inline void sk_psock_data_ready(struct sock *sk, struct sk_psock *psock)
+{
+ if (psock->parser.enabled)
+ psock->parser.saved_data_ready(sk);
+ else
+ sk->sk_data_ready(sk);
+}
+
static inline void psock_set_prog(struct bpf_prog **pprog,
struct bpf_prog *prog)
{
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 8b571e9b9f76..84c48a3c0227 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -286,6 +286,7 @@ struct ucred {
#define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */
#define MSG_MORE 0x8000 /* Sender will send more */
#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */
+#define MSG_SENDPAGE_NOPOLICY 0x10000 /* sendpage() internal : do no apply policy */
#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
#define MSG_BATCH 0x40000 /* sendmmsg(): more messages coming */
#define MSG_EOF MSG_FIN
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 4130a5497d40..8a62731673f7 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -471,7 +471,8 @@ void perf_event_detach_bpf_prog(struct perf_event *event);
int perf_event_query_prog_array(struct perf_event *event, void __user *info);
int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog);
int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf_prog *prog);
-struct bpf_raw_event_map *bpf_find_raw_tracepoint(const char *name);
+struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name);
+void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp);
int bpf_get_perf_event_info(const struct perf_event *event, u32 *prog_id,
u32 *fd_type, const char **buf,
u64 *probe_offset, u64 *probe_addr);
@@ -502,10 +503,13 @@ static inline int bpf_probe_unregister(struct bpf_raw_event_map *btp, struct bpf
{
return -EOPNOTSUPP;
}
-static inline struct bpf_raw_event_map *bpf_find_raw_tracepoint(const char *name)
+static inline struct bpf_raw_event_map *bpf_get_raw_tracepoint(const char *name)
{
return NULL;
}
+static inline void bpf_put_raw_tracepoint(struct bpf_raw_event_map *btp)
+{
+}
static inline int bpf_get_perf_event_info(const struct perf_event *event,
u32 *prog_id, u32 *fd_type,
const char **buf, u64 *probe_offset,
diff --git a/include/net/tls.h b/include/net/tls.h
index 3cbcd12303fd..2a6ac8d642af 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -460,6 +460,15 @@ tls_offload_ctx_tx(const struct tls_context *tls_ctx)
return (struct tls_offload_context_tx *)tls_ctx->priv_ctx_tx;
}
+static inline bool tls_sw_has_ctx_tx(const struct sock *sk)
+{
+ struct tls_context *ctx = tls_get_ctx(sk);
+
+ if (!ctx)
+ return false;
+ return !!tls_sw_ctx_tx(ctx);
+}
+
static inline struct tls_offload_context_rx *
tls_offload_ctx_rx(const struct tls_context *tls_ctx)
{
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index aa582cd5bfcf..91c43884f295 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -133,6 +133,14 @@ enum bpf_map_type {
BPF_MAP_TYPE_STACK,
};
+/* Note that tracing related programs such as
+ * BPF_PROG_TYPE_{KPROBE,TRACEPOINT,PERF_EVENT,RAW_TRACEPOINT}
+ * are not subject to a stable API since kernel internal data
+ * structures can change from release to release and may
+ * therefore break existing tracing BPF programs. Tracing BPF
+ * programs correspond to /a/ specific kernel which is to be
+ * analyzed, and not /a/ specific kernel /and/ all future ones.
+ */
enum bpf_prog_type {
BPF_PROG_TYPE_UNSPEC,
BPF_PROG_TYPE_SOCKET_FILTER,
@@ -343,7 +351,7 @@ union bpf_attr {
__u32 log_level; /* verbosity level of verifier */
__u32 log_size; /* size of user buffer */
__aligned_u64 log_buf; /* user supplied buffer */
- __u32 kern_version; /* checked when prog_type=kprobe */
+ __u32 kern_version; /* not used */
__u32 prog_flags;
char prog_name[BPF_OBJ_NAME_LEN];
__u32 prog_ifindex; /* ifindex of netdev to prep for */
@@ -2657,6 +2665,7 @@ struct sk_msg_md {
__u32 local_ip6[4]; /* Stored in network byte order */
__u32 remote_port; /* Stored in network byte order */
__u32 local_port; /* stored in host byte order */
+ __u32 size; /* Total size of sk_msg */
};
struct sk_reuseport_md {
@@ -2717,6 +2726,8 @@ struct bpf_prog_info {
__u32 nr_jited_line_info;
__u32 line_info_rec_size;
__u32 jited_line_info_rec_size;
+ __u32 nr_prog_tags;
+ __aligned_u64 prog_tags;
} __attribute__((aligned(8)));
struct bpf_map_info {
diff --git a/include/uapi/linux/btf.h b/include/uapi/linux/btf.h
index 14f66948fc95..7b7475ef2f17 100644
--- a/include/uapi/linux/btf.h
+++ b/include/uapi/linux/btf.h
@@ -34,7 +34,9 @@ struct btf_type {
* bits 0-15: vlen (e.g. # of struct's members)
* bits 16-23: unused
* bits 24-27: kind (e.g. int, ptr, array...etc)
- * bits 28-31: unused
+ * bits 28-30: unused
+ * bit 31: kind_flag, currently used by
+ * struct, union and fwd
*/
__u32 info;
/* "size" is used by INT, ENUM, STRUCT and UNION.
@@ -52,6 +54,7 @@ struct btf_type {
#define BTF_INFO_KIND(info) (((info) >> 24) & 0x0f)
#define BTF_INFO_VLEN(info) ((info) & 0xffff)
+#define BTF_INFO_KFLAG(info) ((info) >> 31)
#define BTF_KIND_UNKN 0 /* Unknown */
#define BTF_KIND_INT 1 /* Integer */
@@ -110,9 +113,22 @@ struct btf_array {
struct btf_member {
__u32 name_off;
__u32 type;
- __u32 offset; /* offset in bits */
+ /* If the type info kind_flag is set, the btf_member offset
+ * contains both member bitfield size and bit offset. The
+ * bitfield size is set for bitfield members. If the type
+ * info kind_flag is not set, the offset contains only bit
+ * offset.
+ */
+ __u32 offset;
};
+/* If the struct/union type info kind_flag is set, the
+ * following two macros are used to access bitfield_size
+ * and bit_offset from btf_member.offset.
+ */
+#define BTF_MEMBER_BITFIELD_SIZE(val) ((val) >> 24)
+#define BTF_MEMBER_BIT_OFFSET(val) ((val) & 0xffffff)
+
/* BTF_KIND_FUNC_PROTO is followed by multiple "struct btf_param".
* The exact number of btf_param is stored in the vlen (of the
* info in "struct btf_type").
generated by cgit v1.2.3 (git 2.0.4) at 2025-12-29 13:59:35 +0000