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sync: auto-generate latest BPF helpers

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Latest changes to BPF helper definitions.
This commit is contained in:
Andrii Nakryiko
2020-06-01 16:45:25 -07:00
committed by Andrii Nakryiko
parent 890f25520a
commit 365e4805a1
1 changed files with 73 additions and 0 deletions
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73
src/bpf_helper_defs.h
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@@ -3045,4 +3045,77 @@ static __u64 (*bpf_sk_cgroup_id)(struct bpf_sock *sk) = (void *) 128;
*/
static __u64 (*bpf_sk_ancestor_cgroup_id)(struct bpf_sock *sk, int ancestor_level) = (void *) 129;
/*
* bpf_ringbuf_output
*
* Copy *size* bytes from *data* into a ring buffer *ringbuf*.
* If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
* new data availability is sent.
* IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
* new data availability is sent unconditionally.
*
* Returns
* 0, on success;
* < 0, on error.
*/
static void *(*bpf_ringbuf_output)(void *ringbuf, void *data, __u64 size, __u64 flags) = (void *) 130;
/*
* bpf_ringbuf_reserve
*
* Reserve *size* bytes of payload in a ring buffer *ringbuf*.
*
* Returns
* Valid pointer with *size* bytes of memory available; NULL,
* otherwise.
*/
static void *(*bpf_ringbuf_reserve)(void *ringbuf, __u64 size, __u64 flags) = (void *) 131;
/*
* bpf_ringbuf_submit
*
* Submit reserved ring buffer sample, pointed to by *data*.
* If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
* new data availability is sent.
* IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
* new data availability is sent unconditionally.
*
* Returns
* Nothing. Always succeeds.
*/
static void (*bpf_ringbuf_submit)(void *data, __u64 flags) = (void *) 132;
/*
* bpf_ringbuf_discard
*
* Discard reserved ring buffer sample, pointed to by *data*.
* If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
* new data availability is sent.
* IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
* new data availability is sent unconditionally.
*
* Returns
* Nothing. Always succeeds.
*/
static void (*bpf_ringbuf_discard)(void *data, __u64 flags) = (void *) 133;
/*
* bpf_ringbuf_query
*
* Query various characteristics of provided ring buffer. What
* exactly is queries is determined by *flags*:
* - BPF_RB_AVAIL_DATA - amount of data not yet consumed;
* - BPF_RB_RING_SIZE - the size of ring buffer;
* - BPF_RB_CONS_POS - consumer position (can wrap around);
* - BPF_RB_PROD_POS - producer(s) position (can wrap around);
* Data returned is just a momentary snapshots of actual values
* and could be inaccurate, so this facility should be used to
* power heuristics and for reporting, not to make 100% correct
* calculation.
*
* Returns
* Requested value, or 0, if flags are not recognized.
*/
static __u64 (*bpf_ringbuf_query)(void *ringbuf, __u64 flags) = (void *) 134;