The program run against loopback interace "lo", not "eth0". Correct the comment.
Signed-off-by: Wang Sheng-Hui <shh...@foxmail.com> --- samples/bpf/sock_example.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/samples/bpf/sock_example.c b/samples/bpf/sock_example.c index 6fc6e193ef1b..33a637507c00 100644 --- a/samples/bpf/sock_example.c +++ b/samples/bpf/sock_example.c @@ -9,10 +9,10 @@ * if (value) * (*(u64*)value) += 1; * - * - attaches this program to eth0 raw socket + * - attaches this program to loopback interface "lo" raw socket * * - every second user space reads map[tcp], map[udp], map[icmp] to see - * how many packets of given protocol were seen on eth0 + * how many packets of given protocol were seen on "lo" */ #include <stdio.h> #include <unistd.h> -- 2.11.0
