Commit 41bf900f authored by Björn Töpel's avatar Björn Töpel Committed by Daniel Borkmann
Browse files

samples/bpf: Add option to set the busy-poll budget 



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

Signed-off-by: default avatarBjörn Töpel <bjorn.topel@intel.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Acked-by: default avatarMagnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20201130185205.196029-11-bjorn.topel@gmail.com
parent b35fc148

samples/bpf/xdpsock_user.c

+5 −0
Original line number Diff line number Diff line
@@ -1480,6 +1480,11 @@ 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)