#include #include #include #include "libbpf.h" #include "bpf_load.h" #include "sock_example.h" #include #include int main(int ac, char **argv) { char filename[256]; FILE *f; int i, sock; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); if (load_bpf_file(filename)) { printf("%s", bpf_log_buf); return 1; } sock = open_raw_sock("lo"); assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd, sizeof(prog_fd[0])) == 0); f = popen("ping -c5 localhost", "r"); (void) f; for (i = 0; i < 5; i++) { long long tcp_cnt, udp_cnt, icmp_cnt; int key; key = IPPROTO_TCP; assert(bpf_map_lookup_elem(map_fd[0], &key, &tcp_cnt) == 0); key = IPPROTO_UDP; assert(bpf_map_lookup_elem(map_fd[0], &key, &udp_cnt) == 0); key = IPPROTO_ICMP; assert(bpf_map_lookup_elem(map_fd[0], &key, &icmp_cnt) == 0); printf("TCP %lld UDP %lld ICMP %lld bytes\n", tcp_cnt, udp_cnt, icmp_cnt); sleep(1); } return 0; } ion value='master' selected='selected'>master net-next plumbingsTobias Klauser
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authorAlex Williamson <alex.williamson@redhat.com>2016-05-30 07:58:10 -0600
committerAlex Williamson <alex.williamson@redhat.com>2016-05-30 07:58:10 -0600
commit089f1c6b2daeab750fd92a28529928bc13c95d97 (patch)
tree830e69438b06d0b141c0acc9973317d743b5129b
parent956b56a984ddf10aa69b25318dc04430101beed6 (diff)
vfio/type1: Fix build warning
This function cannot actually be called with npage = 0, so in practice this doesn't return an uninitialized value. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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