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2bf3e2ef42
There are two files in the tree called libbpf.h which is becoming problematic. Most samples don't actually need the local libbpf.h they simply include it to get to bpf/bpf.h. Include bpf/bpf.h directly instead. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
36 lines
814 B
C
36 lines
814 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#include <stdlib.h>
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#include <stdio.h>
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#include <linux/unistd.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <linux/if_ether.h>
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#include <net/if.h>
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#include <linux/if_packet.h>
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#include <arpa/inet.h>
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static inline int open_raw_sock(const char *name)
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{
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struct sockaddr_ll sll;
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int sock;
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sock = socket(PF_PACKET, SOCK_RAW | SOCK_NONBLOCK | SOCK_CLOEXEC, htons(ETH_P_ALL));
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if (sock < 0) {
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printf("cannot create raw socket\n");
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return -1;
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}
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memset(&sll, 0, sizeof(sll));
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sll.sll_family = AF_PACKET;
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sll.sll_ifindex = if_nametoindex(name);
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sll.sll_protocol = htons(ETH_P_ALL);
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if (bind(sock, (struct sockaddr *)&sll, sizeof(sll)) < 0) {
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printf("bind to %s: %s\n", name, strerror(errno));
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close(sock);
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return -1;
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}
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return sock;
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}
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