diff options
| -rw-r--r-- | tcp_vu.c | 4 | ||||
| -rw-r--r-- | udp_vu.c | 2 | ||||
| -rw-r--r-- | vu_common.c | 13 | ||||
| -rw-r--r-- | vu_common.h | 4 |
4 files changed, 10 insertions, 13 deletions
@@ -97,7 +97,7 @@ int tcp_vu_send_flag(const struct ctx *c, struct tcp_tap_conn *conn, int flags) ASSERT(flags_elem[0].in_sg[0].iov_len >= MAX(hdrlen + sizeof(*opts), ETH_ZLEN + VNET_HLEN)); - vu_set_vnethdr(vdev, flags_elem[0].in_sg[0].iov_base, 1); + vu_set_vnethdr(flags_elem[0].in_sg[0].iov_base, 1); eh = vu_eth(flags_elem[0].in_sg[0].iov_base); @@ -452,7 +452,7 @@ int tcp_vu_data_from_sock(const struct ctx *c, struct tcp_tap_conn *conn) bool push = i == head_cnt - 1; size_t l2len; - vu_set_vnethdr(vdev, iov->iov_base, buf_cnt); + vu_set_vnethdr(iov->iov_base, buf_cnt); /* The IPv4 header checksum varies only with dlen */ if (previous_dlen != dlen) @@ -127,7 +127,7 @@ static int udp_vu_sock_recv(const struct ctx *c, struct vu_virtq *vq, int s, l2len = *dlen + hdrlen - VNET_HLEN; vu_pad(&iov_vu[0], l2len); - vu_set_vnethdr(vdev, iov_vu[0].iov_base, iov_used); + vu_set_vnethdr(iov_vu[0].iov_base, iov_used); /* release unused buffers */ vu_queue_rewind(vq, iov_cnt - iov_used); diff --git a/vu_common.c b/vu_common.c index aa14598..5f2ce18 100644 --- a/vu_common.c +++ b/vu_common.c @@ -121,17 +121,16 @@ int vu_collect(const struct vu_dev *vdev, struct vu_virtq *vq, /** * vu_set_vnethdr() - set virtio-net headers - * @vdev: vhost-user device * @vnethdr: Address of the header to set * @num_buffers: Number of guest buffers of the frame */ -void vu_set_vnethdr(const struct vu_dev *vdev, - struct virtio_net_hdr_mrg_rxbuf *vnethdr, - int num_buffers) +void vu_set_vnethdr(struct virtio_net_hdr_mrg_rxbuf *vnethdr, int num_buffers) { vnethdr->hdr = VU_HEADER; - if (vu_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) - vnethdr->num_buffers = htole16(num_buffers); + /* Note: if VIRTIO_NET_F_MRG_RXBUF is not negotiated, + * num_buffers must be 1 + */ + vnethdr->num_buffers = htole16(num_buffers); } /** @@ -269,7 +268,7 @@ int vu_send_single(const struct ctx *c, const void *buf, size_t size) goto err; } - vu_set_vnethdr(vdev, in_sg[0].iov_base, elem_cnt); + vu_set_vnethdr(in_sg[0].iov_base, elem_cnt); total -= VNET_HLEN; diff --git a/vu_common.h b/vu_common.h index 76eee87..865d977 100644 --- a/vu_common.h +++ b/vu_common.h @@ -55,9 +55,7 @@ void vu_init_elem(struct vu_virtq_element *elem, struct iovec *iov, int vu_collect(const struct vu_dev *vdev, struct vu_virtq *vq, struct vu_virtq_element *elem, int max_elem, size_t size, size_t *collected); -void vu_set_vnethdr(const struct vu_dev *vdev, - struct virtio_net_hdr_mrg_rxbuf *vnethdr, - int num_buffers); +void vu_set_vnethdr(struct virtio_net_hdr_mrg_rxbuf *vnethdr, int num_buffers); void vu_flush(const struct vu_dev *vdev, struct vu_virtq *vq, struct vu_virtq_element *elem, int elem_cnt); void vu_kick_cb(struct vu_dev *vdev, union epoll_ref ref, |