samples/bpf: convert xdpsock to use libbpf for AF_XDP access

[linux-2.6-microblaze.git] / samples / bpf / xdpsock_kern.c

diff --git a/samples/bpf/xdpsock_kern.c b/samples/bpf/xdpsock_kern.c
deleted file mode 100644 (file)
index b8ccd08..0000000
--- a/samples/bpf/xdpsock_kern.c
+++ /dev/null
@@ -1,56 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#define KBUILD_MODNAME "foo"
-#include <uapi/linux/bpf.h>
-#include "bpf_helpers.h"
-
-#include "xdpsock.h"
-
-struct bpf_map_def SEC("maps") qidconf_map = {
-       .type           = BPF_MAP_TYPE_ARRAY,
-       .key_size       = sizeof(int),
-       .value_size     = sizeof(int),
-       .max_entries    = 1,
-};
-
-struct bpf_map_def SEC("maps") xsks_map = {
-       .type = BPF_MAP_TYPE_XSKMAP,
-       .key_size = sizeof(int),
-       .value_size = sizeof(int),
-       .max_entries = MAX_SOCKS,
-};
-
-struct bpf_map_def SEC("maps") rr_map = {
-       .type = BPF_MAP_TYPE_PERCPU_ARRAY,
-       .key_size = sizeof(int),
-       .value_size = sizeof(unsigned int),
-       .max_entries = 1,
-};
-
-SEC("xdp_sock")
-int xdp_sock_prog(struct xdp_md *ctx)
-{
-       int *qidconf, key = 0, idx;
-       unsigned int *rr;
-
-       qidconf = bpf_map_lookup_elem(&qidconf_map, &key);
-       if (!qidconf)
-               return XDP_ABORTED;
-
-       if (*qidconf != ctx->rx_queue_index)
-               return XDP_PASS;
-
-#if RR_LB /* NB! RR_LB is configured in xdpsock.h */
-       rr = bpf_map_lookup_elem(&rr_map, &key);
-       if (!rr)
-               return XDP_ABORTED;
-
-       *rr = (*rr + 1) & (MAX_SOCKS - 1);
-       idx = *rr;
-#else
-       idx = 0;
-#endif
-
-       return bpf_redirect_map(&xsks_map, idx, 0);
-}
-
-char _license[] SEC("license") = "GPL";