25 lines
496 B
C
25 lines
496 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include <linux/if_ether.h>
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#include <linux/ip.h>
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/* Dummy prog to test TC-BPF API */
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SEC("tc")
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int cls(struct __sk_buff *skb)
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{
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return 0;
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}
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/* Prog to verify tc-bpf without cap_sys_admin and cap_perfmon */
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SEC("tcx/ingress")
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int pkt_ptr(struct __sk_buff *skb)
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{
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struct iphdr *iph = (void *)(long)skb->data + sizeof(struct ethhdr);
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if ((long)(iph + 1) > (long)skb->data_end)
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return 1;
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return 0;
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}
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