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