// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Facebook #include <linux/bpf.h> #include <bpf/bpf_helpers.h> #define ATTR __attribute__((noinline)) #include "test_jhash.h" SEC("tc") int balancer_ingress(struct __sk_buff *ctx) { void *data_end = (void *)(long)ctx->data_end; void *data = (void *)(long)ctx->data; void *ptr; int ret = 0, nh_off, i = 0; nh_off = 32; /* pragma unroll doesn't work on large loops */ #define C do { \ ptr = data + i; \ if (ptr + nh_off > data_end) \ break; \ ctx->tc_index = jhash(ptr, nh_off, ctx->cb[0] + i++); \ } while (0); #define C30 C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C;C; C30;C30;C30; /* 90 calls */ return 0; } char _license[] SEC("license") = "GPL";