Commit 2bae79d2 authored by Quentin Monnet's avatar Quentin Monnet Committed by Daniel Borkmann

bpf: fix documentation for eBPF helpers

Minor formatting edits for eBPF helpers documentation, including blank
lines removal, fix of item list for return values in bpf_fib_lookup(),
and missing prefix on bpf_skb_load_bytes_relative().
Signed-off-by: default avatarQuentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 671dffa7
...@@ -1826,7 +1826,7 @@ union bpf_attr { ...@@ -1826,7 +1826,7 @@ union bpf_attr {
* A non-negative value equal to or less than *size* on success, * A non-negative value equal to or less than *size* on success,
* or a negative error in case of failure. * or a negative error in case of failure.
* *
* int skb_load_bytes_relative(const struct sk_buff *skb, u32 offset, void *to, u32 len, u32 start_header) * int bpf_skb_load_bytes_relative(const struct sk_buff *skb, u32 offset, void *to, u32 len, u32 start_header)
* Description * Description
* This helper is similar to **bpf_skb_load_bytes**\ () in that * This helper is similar to **bpf_skb_load_bytes**\ () in that
* it provides an easy way to load *len* bytes from *offset* * it provides an easy way to load *len* bytes from *offset*
...@@ -1877,7 +1877,7 @@ union bpf_attr { ...@@ -1877,7 +1877,7 @@ union bpf_attr {
* * < 0 if any input argument is invalid * * < 0 if any input argument is invalid
* * 0 on success (packet is forwarded, nexthop neighbor exists) * * 0 on success (packet is forwarded, nexthop neighbor exists)
* * > 0 one of **BPF_FIB_LKUP_RET_** codes explaining why the * * > 0 one of **BPF_FIB_LKUP_RET_** codes explaining why the
* * packet is not forwarded or needs assist from full stack * packet is not forwarded or needs assist from full stack
* *
* int bpf_sock_hash_update(struct bpf_sock_ops_kern *skops, struct bpf_map *map, void *key, u64 flags) * int bpf_sock_hash_update(struct bpf_sock_ops_kern *skops, struct bpf_map *map, void *key, u64 flags)
* Description * Description
...@@ -2033,7 +2033,6 @@ union bpf_attr { ...@@ -2033,7 +2033,6 @@ union bpf_attr {
* This helper is only available is the kernel was compiled with * This helper is only available is the kernel was compiled with
* the **CONFIG_BPF_LIRC_MODE2** configuration option set to * the **CONFIG_BPF_LIRC_MODE2** configuration option set to
* "**y**". * "**y**".
*
* Return * Return
* 0 * 0
* *
...@@ -2053,7 +2052,6 @@ union bpf_attr { ...@@ -2053,7 +2052,6 @@ union bpf_attr {
* This helper is only available is the kernel was compiled with * This helper is only available is the kernel was compiled with
* the **CONFIG_BPF_LIRC_MODE2** configuration option set to * the **CONFIG_BPF_LIRC_MODE2** configuration option set to
* "**y**". * "**y**".
*
* Return * Return
* 0 * 0
* *
......
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