diff options
Diffstat (limited to 'samples/bpf/xdpsock_kern.c')
-rw-r--r-- | samples/bpf/xdpsock_kern.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/samples/bpf/xdpsock_kern.c b/samples/bpf/xdpsock_kern.c deleted file mode 100644 index b8ccd0802b3f..000000000000 --- 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"; |