mirror/libbpf
1
0
Fork 0
mirror of https://github.com/netdata/libbpf.git synced 2026-03-20 16:29:07 +08:00
Code Issues Packages Projects Releases Wiki Activity

sync: auto-generate latest BPF helpers

Browse Source 
Latest changes to BPF helper definitions.
This commit is contained in:
Andrii Nakryiko
2022-06-05 17:36:32 -07:00
committed by Andrii Nakryiko
parent ad0783c430
commit 8aa946389d
1 changed files with 111 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

111
src/bpf_helper_defs.h
View File

@@ -38,6 +38,8 @@ struct inode;
struct socket;
struct file;
struct bpf_timer;
struct mptcp_sock;
struct bpf_dynptr;
/*
* bpf_map_lookup_elem
@@ -4370,4 +4372,113 @@ static void *(*bpf_kptr_xchg)(void *map_value, void *ptr) = (void *) 194;
*/
static void *(*bpf_map_lookup_percpu_elem)(void *map, const void *key, __u32 cpu) = (void *) 195;
/*
* bpf_skc_to_mptcp_sock
*
* Dynamically cast a *sk* pointer to a *mptcp_sock* pointer.
*
* Returns
* *sk* if casting is valid, or **NULL** otherwise.
*/
static struct mptcp_sock *(*bpf_skc_to_mptcp_sock)(void *sk) = (void *) 196;
/*
* bpf_dynptr_from_mem
*
* Get a dynptr to local memory *data*.
*
* *data* must be a ptr to a map value.
* The maximum *size* supported is DYNPTR_MAX_SIZE.
* *flags* is currently unused.
*
* Returns
* 0 on success, -E2BIG if the size exceeds DYNPTR_MAX_SIZE,
* -EINVAL if flags is not 0.
*/
static long (*bpf_dynptr_from_mem)(void *data, __u32 size, __u64 flags, struct bpf_dynptr *ptr) = (void *) 197;
/*
* bpf_ringbuf_reserve_dynptr
*
* Reserve *size* bytes of payload in a ring buffer *ringbuf*
* through the dynptr interface. *flags* must be 0.
*
* Please note that a corresponding bpf_ringbuf_submit_dynptr or
* bpf_ringbuf_discard_dynptr must be called on *ptr*, even if the
* reservation fails. This is enforced by the verifier.
*
* Returns
* 0 on success, or a negative error in case of failure.
*/
static long (*bpf_ringbuf_reserve_dynptr)(void *ringbuf, __u32 size, __u64 flags, struct bpf_dynptr *ptr) = (void *) 198;
/*
* bpf_ringbuf_submit_dynptr
*
* Submit reserved ring buffer sample, pointed to by *data*,
* through the dynptr interface. This is a no-op if the dynptr is
* invalid/null.
*
* For more information on *flags*, please see
* 'bpf_ringbuf_submit'.
*
* Returns
* Nothing. Always succeeds.
*/
static void (*bpf_ringbuf_submit_dynptr)(struct bpf_dynptr *ptr, __u64 flags) = (void *) 199;
/*
* bpf_ringbuf_discard_dynptr
*
* Discard reserved ring buffer sample through the dynptr
* interface. This is a no-op if the dynptr is invalid/null.
*
* For more information on *flags*, please see
* 'bpf_ringbuf_discard'.
*
* Returns
* Nothing. Always succeeds.
*/
static void (*bpf_ringbuf_discard_dynptr)(struct bpf_dynptr *ptr, __u64 flags) = (void *) 200;
/*
* bpf_dynptr_read
*
* Read *len* bytes from *src* into *dst*, starting from *offset*
* into *src*.
*
* Returns
* 0 on success, -E2BIG if *offset* + *len* exceeds the length
* of *src*'s data, -EINVAL if *src* is an invalid dynptr.
*/
static long (*bpf_dynptr_read)(void *dst, __u32 len, struct bpf_dynptr *src, __u32 offset) = (void *) 201;
/*
* bpf_dynptr_write
*
* Write *len* bytes from *src* into *dst*, starting from *offset*
* into *dst*.
*
* Returns
* 0 on success, -E2BIG if *offset* + *len* exceeds the length
* of *dst*'s data, -EINVAL if *dst* is an invalid dynptr or if *dst*
* is a read-only dynptr.
*/
static long (*bpf_dynptr_write)(struct bpf_dynptr *dst, __u32 offset, void *src, __u32 len) = (void *) 202;
/*
* bpf_dynptr_data
*
* Get a pointer to the underlying dynptr data.
*
* *len* must be a statically known value. The returned data slice
* is invalidated whenever the dynptr is invalidated.
*
* Returns
* Pointer to the underlying dynptr data, NULL if the dynptr is
* read-only, if the dynptr is invalid, or if the offset and length
* is out of bounds.
*/
static void *(*bpf_dynptr_data)(struct bpf_dynptr *ptr, __u32 offset, __u32 len) = (void *) 203;