[PATCH bpf-next v2 10/10] samples/bpf: add option to set the busy-poll budget

[Björn Töpel]

From: Björn Töpel <bjorn.to...@intel.com>

Support for the SO_BUSY_POLL_BUDGET setsockopt, via the batching
option ('b').

Signed-off-by: Björn Töpel <bjorn.to...@intel.com>
---
 samples/bpf/xdpsock_user.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 09a9fc76f072..e4a1e82fcb22 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1479,6 +1479,11 @@ static void apply_setsockopt(struct xsk_socket_info *xsk)
        if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL,
                       (void *)&sock_opt, sizeof(sock_opt)) < 0)
                exit_with_error(errno);
+
+       sock_opt = opt_batch_size;
+       if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, 
SO_BUSY_POLL_BUDGET,
+                      (void *)&sock_opt, sizeof(sock_opt)) < 0)
+               exit_with_error(errno);
 }
 
 int main(int argc, char **argv)
-- 
2.27.0