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Diffstat (limited to 'tools/lib/bpf/xsk.h')
-rw-r--r--tools/lib/bpf/xsk.h22
1 files changed, 15 insertions, 7 deletions
diff --git a/tools/lib/bpf/xsk.h b/tools/lib/bpf/xsk.h
index 1069c46364ff..e9f121f5d129 100644
--- a/tools/lib/bpf/xsk.h
+++ b/tools/lib/bpf/xsk.h
@@ -113,8 +113,7 @@ static inline __u32 xsk_cons_nb_avail(struct xsk_ring_cons *r, __u32 nb)
return (entries > nb) ? nb : entries;
}
-static inline size_t xsk_ring_prod__reserve(struct xsk_ring_prod *prod,
- size_t nb, __u32 *idx)
+static inline __u32 xsk_ring_prod__reserve(struct xsk_ring_prod *prod, __u32 nb, __u32 *idx)
{
if (xsk_prod_nb_free(prod, nb) < nb)
return 0;
@@ -125,7 +124,7 @@ static inline size_t xsk_ring_prod__reserve(struct xsk_ring_prod *prod,
return nb;
}
-static inline void xsk_ring_prod__submit(struct xsk_ring_prod *prod, size_t nb)
+static inline void xsk_ring_prod__submit(struct xsk_ring_prod *prod, __u32 nb)
{
/* Make sure everything has been written to the ring before indicating
* this to the kernel by writing the producer pointer.
@@ -135,10 +134,9 @@ static inline void xsk_ring_prod__submit(struct xsk_ring_prod *prod, size_t nb)
*prod->producer += nb;
}
-static inline size_t xsk_ring_cons__peek(struct xsk_ring_cons *cons,
- size_t nb, __u32 *idx)
+static inline __u32 xsk_ring_cons__peek(struct xsk_ring_cons *cons, __u32 nb, __u32 *idx)
{
- size_t entries = xsk_cons_nb_avail(cons, nb);
+ __u32 entries = xsk_cons_nb_avail(cons, nb);
if (entries > 0) {
/* Make sure we do not speculatively read the data before
@@ -153,7 +151,12 @@ static inline size_t xsk_ring_cons__peek(struct xsk_ring_cons *cons,
return entries;
}
-static inline void xsk_ring_cons__release(struct xsk_ring_cons *cons, size_t nb)
+static inline void xsk_ring_cons__cancel(struct xsk_ring_cons *cons, __u32 nb)
+{
+ cons->cached_cons -= nb;
+}
+
+static inline void xsk_ring_cons__release(struct xsk_ring_cons *cons, __u32 nb)
{
/* Make sure data has been read before indicating we are done
* with the entries by updating the consumer pointer.
@@ -201,6 +204,11 @@ struct xsk_umem_config {
__u32 flags;
};
+LIBBPF_API int xsk_setup_xdp_prog(int ifindex,
+ int *xsks_map_fd);
+LIBBPF_API int xsk_socket__update_xskmap(struct xsk_socket *xsk,
+ int xsks_map_fd);
+
/* Flags for the libbpf_flags field. */
#define XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD (1 << 0)