From ec0bdc10b1efbd46fbb7f7a3281d4e942bed0685 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Sun, 19 Sep 2021 02:49:36 +0200 Subject: udp: Switch to new socket message after 32KiB instead of 64KiB For some reason, this measurably improves performance with qemu and virtio-net. Signed-off-by: Stefano Brivio --- udp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'udp.c') diff --git a/udp.c b/udp.c index 74267a9..e640f16 100644 --- a/udp.c +++ b/udp.c @@ -727,7 +727,7 @@ void udp_sock_handler(struct ctx *c, union epoll_ref ref, uint32_t events, udp6_l2_iov_tap[i].iov_len = iov_len; /* With bigger messages, qemu closes the connection. */ - if (iov_in_msg && msglen + iov_len > USHRT_MAX) { + if (iov_in_msg && msglen + iov_len > SHRT_MAX) { cur_mh->msg_iovlen = iov_in_msg; cur_mh = &udp6_l2_mh_tap[++msg_i].msg_hdr; @@ -797,7 +797,7 @@ void udp_sock_handler(struct ctx *c, union epoll_ref ref, uint32_t events, udp4_l2_iov_tap[i].iov_len = iov_len; /* With bigger messages, qemu closes the connection. */ - if (iov_in_msg && msglen + iov_len > USHRT_MAX) { + if (iov_in_msg && msglen + iov_len > SHRT_MAX) { cur_mh->msg_iovlen = iov_in_msg; cur_mh = &udp4_l2_mh_tap[++msg_i].msg_hdr; -- cgit v1.2.3