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lib_xsk_extend: rename xsk_btf_entry to xsk_btf_member

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And export xsk_btf_member in header file.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
This commit is contained in:
Jesper Dangaard Brouer
2021-11-04 10:01:30 +01:00
parent a37b82bd9d
commit 6b200aa8d5
2 changed files with 19 additions and 10 deletions
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24
AF_XDP-interaction/lib_xsk_extend.c
View File

@@ -11,6 +11,8 @@
#include <bpf/btf.h> /* provided by libbpf */
#include "lib_xsk_extend.h"
int xsk_umem__btf_id(void *umem_pkt_data) // , const struct xsk_umem *umem)
{
// if (umem->config.xdp_headroom < sizeof(int))
@@ -20,7 +22,6 @@ int xsk_umem__btf_id(void *umem_pkt_data) // , const struct xsk_umem *umem)
return *(int *)(umem_pkt_data - sizeof(int));
}
struct xsk_btf_info {
struct hashmap map;
struct btf *btf;
@@ -28,12 +29,6 @@ struct xsk_btf_info {
__u32 btf_type_id;
};
struct xsk_btf_entry {
__u32 offset;
__u32 size;
};
__u32 xsk_btf__btf_type_id(struct xsk_btf_info *xbi)
{
return xbi->btf_type_id;
@@ -122,7 +117,7 @@ error_btf:
}
static int __xsk_btf_field_entry(struct xsk_btf_info *xbi, const char *field,
struct xsk_btf_entry *entry)
struct xsk_btf_member *entry)
{
const struct btf_member *m;
unsigned short vlen;
@@ -156,6 +151,15 @@ bool xsk_btf__has_field(const char *field, struct xsk_btf_info *xbi)
return __xsk_btf_field_entry(xbi, field, NULL) ? false : true;
}
bool xsk_btf__field_member(const char *field, struct xsk_btf_info *xbi,
struct xsk_btf_member *entry)
{
if (!xbi)
return false;
return __xsk_btf_field_entry(xbi, field, entry) ? false : true;
}
void xsk_btf__free_xdp_hint(struct xsk_btf_info *xbi)
{
if (!xbi)
@@ -169,14 +173,14 @@ void xsk_btf__free_xdp_hint(struct xsk_btf_info *xbi)
int xsk_btf__read(void **dest, size_t size, const char *field,
struct xsk_btf_info *xbi, const void *addr)
{
struct xsk_btf_entry *entry;
struct xsk_btf_member *entry;
int err;
if (!field || !xbi || !dest || !addr)
return -EINVAL;
if (!hashmap__find(&(xbi->map), field, (void **)&entry)) {
struct xsk_btf_entry e;
struct xsk_btf_member e;
err = __xsk_btf_field_entry(xbi, field, &e);
if (err)

5
AF_XDP-interaction/lib_xsk_extend.h
View File

@@ -9,6 +9,11 @@ LIBBPF_API int xsk_umem__btf_id(void *umem_data);
struct xsk_btf_info;
struct xsk_btf_member {
__u32 offset;
__u32 size;
};
LIBBPF_API int xsk_btf__init_xdp_hint(struct btf *btf_obj,
const char *xdp_hints_name,
struct xsk_btf_info **xbi);