On Fri, Nov 10, 2023 at 03:16:04PM +1100, Duncan Roe wrote:
> The libnetfilter_queue main HTML page mentions nfnl_rcvbufsiz() so the new
> libmnl-only libnetfilter_queue will have to support it.
>
> The added call acts as a demo and a test case.
>
> Signed-off-by: Duncan Roe <duncan_roe@xxxxxxxxxxxxxxx>
> ---
> utils/nfqnl_test.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/utils/nfqnl_test.c b/utils/nfqnl_test.c
> index 682f3d7..6d2305e 100644
> --- a/utils/nfqnl_test.c
> +++ b/utils/nfqnl_test.c
> @@ -91,6 +91,7 @@ int main(int argc, char **argv)
> int fd;
> int rv;
> uint32_t queue = 0;
> + uint32_t ret;
> char buf[4096] __attribute__ ((aligned));
>
> if (argc == 2) {
> @@ -107,6 +108,10 @@ int main(int argc, char **argv)
> fprintf(stderr, "error during nfq_open()\n");
> exit(1);
> }
> + printf("setting socket buffer size to 2MB\n");
> + ret = nfnl_rcvbufsiz(nfq_nfnlh(h), 1024 * 1024);
libnfnetlink is deprecated.
maybe call setsockopt and use nfq_fd() instead if you would like that
this shows in the example file.
> + printf("Read buffer set to 0x%x bytes (%gMB)\n", ret,
> + ret / 1024.0 / 1024);
>
> printf("unbinding existing nf_queue handler for AF_INET (if any)\n");
> if (nfq_unbind_pf(h, AF_INET) < 0) {
> --
> 2.35.8
>
