diff options
Diffstat (limited to 'samples/bpf/libbpf.c')
-rw-r--r-- | samples/bpf/libbpf.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/samples/bpf/libbpf.c b/samples/bpf/libbpf.c deleted file mode 100644 index bee473a..0000000 --- a/samples/bpf/libbpf.c +++ /dev/null @@ -1,36 +0,0 @@ -/* eBPF mini library */ -#include <stdlib.h> -#include <stdio.h> -#include <linux/unistd.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <net/ethernet.h> -#include <net/if.h> -#include <linux/if_packet.h> -#include <arpa/inet.h> -#include "libbpf.h" - -int open_raw_sock(const char *name) -{ - struct sockaddr_ll sll; - int sock; - - sock = socket(PF_PACKET, SOCK_RAW | SOCK_NONBLOCK | SOCK_CLOEXEC, htons(ETH_P_ALL)); - if (sock < 0) { - printf("cannot create raw socket\n"); - return -1; - } - - memset(&sll, 0, sizeof(sll)); - sll.sll_family = AF_PACKET; - sll.sll_ifindex = if_nametoindex(name); - sll.sll_protocol = htons(ETH_P_ALL); - if (bind(sock, (struct sockaddr *)&sll, sizeof(sll)) < 0) { - printf("bind to %s: %s\n", name, strerror(errno)); - close(sock); - return -1; - } - - return sock; -} |