{
uint16_t i;
uint16_t flags;
- uint16_t last_used_idx = vq->last_used_idx;
- struct vring_packed_desc *desc_base = &vq->desc_packed[last_used_idx];
+ uint16_t last_used_idx;
+ struct vring_packed_desc *desc_base;
- if (vq->shadow_used_idx) {
- do_data_copy_enqueue(dev, vq);
- vhost_flush_enqueue_shadow_packed(dev, vq);
- }
+ last_used_idx = vq->last_used_idx;
+ desc_base = &vq->desc_packed[last_used_idx];
flags = PACKED_DESC_ENQUEUE_USED_FLAG(vq->used_wrap_counter);
static __rte_always_inline void
virtio_enqueue_offload(struct rte_mbuf *m_buf, struct virtio_net_hdr *net_hdr)
{
- uint64_t csum_l4 = m_buf->ol_flags & PKT_TX_L4_MASK;
+ uint64_t csum_l4 = m_buf->ol_flags & RTE_MBUF_F_TX_L4_MASK;
- if (m_buf->ol_flags & PKT_TX_TCP_SEG)
- csum_l4 |= PKT_TX_TCP_CKSUM;
+ if (m_buf->ol_flags & RTE_MBUF_F_TX_TCP_SEG)
+ csum_l4 |= RTE_MBUF_F_TX_TCP_CKSUM;
if (csum_l4) {
net_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
net_hdr->csum_start = m_buf->l2_len + m_buf->l3_len;
switch (csum_l4) {
- case PKT_TX_TCP_CKSUM:
+ case RTE_MBUF_F_TX_TCP_CKSUM:
net_hdr->csum_offset = (offsetof(struct rte_tcp_hdr,
cksum));
break;
- case PKT_TX_UDP_CKSUM:
+ case RTE_MBUF_F_TX_UDP_CKSUM:
net_hdr->csum_offset = (offsetof(struct rte_udp_hdr,
dgram_cksum));
break;
- case PKT_TX_SCTP_CKSUM:
+ case RTE_MBUF_F_TX_SCTP_CKSUM:
net_hdr->csum_offset = (offsetof(struct rte_sctp_hdr,
cksum));
break;
}
/* IP cksum verification cannot be bypassed, then calculate here */
- if (m_buf->ol_flags & PKT_TX_IP_CKSUM) {
+ if (m_buf->ol_flags & RTE_MBUF_F_TX_IP_CKSUM) {
struct rte_ipv4_hdr *ipv4_hdr;
ipv4_hdr = rte_pktmbuf_mtod_offset(m_buf, struct rte_ipv4_hdr *,
ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr);
}
- if (m_buf->ol_flags & PKT_TX_TCP_SEG) {
- if (m_buf->ol_flags & PKT_TX_IPV4)
+ if (m_buf->ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
+ if (m_buf->ol_flags & RTE_MBUF_F_TX_IPV4)
net_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
else
net_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
net_hdr->gso_size = m_buf->tso_segsz;
net_hdr->hdr_len = m_buf->l2_len + m_buf->l3_len
+ m_buf->l4_len;
- } else if (m_buf->ol_flags & PKT_TX_UDP_SEG) {
+ } else if (m_buf->ol_flags & RTE_MBUF_F_TX_UDP_SEG) {
net_hdr->gso_type = VIRTIO_NET_HDR_GSO_UDP;
net_hdr->gso_size = m_buf->tso_segsz;
net_hdr->hdr_len = m_buf->l2_len + m_buf->l3_len +
}
static __rte_always_inline int
-virtio_dev_rx_batch_packed(struct virtio_net *dev,
+virtio_dev_rx_sync_batch_check(struct virtio_net *dev,
struct vhost_virtqueue *vq,
- struct rte_mbuf **pkts)
+ struct rte_mbuf **pkts,
+ uint64_t *desc_addrs,
+ uint64_t *lens)
{
bool wrap_counter = vq->avail_wrap_counter;
struct vring_packed_desc *descs = vq->desc_packed;
uint16_t avail_idx = vq->last_avail_idx;
- uint64_t desc_addrs[PACKED_BATCH_SIZE];
- struct virtio_net_hdr_mrg_rxbuf *hdrs[PACKED_BATCH_SIZE];
uint32_t buf_offset = sizeof(struct virtio_net_hdr_mrg_rxbuf);
- uint64_t lens[PACKED_BATCH_SIZE];
- uint16_t ids[PACKED_BATCH_SIZE];
uint16_t i;
if (unlikely(avail_idx & PACKED_BATCH_MASK))
return -1;
}
+ return 0;
+}
+
+static __rte_always_inline int
+virtio_dev_rx_async_batch_check(struct virtio_net *dev,
+ struct vhost_virtqueue *vq,
+ struct rte_mbuf **pkts,
+ uint64_t *desc_addrs,
+ uint64_t *lens)
+{
+ bool wrap_counter = vq->avail_wrap_counter;
+ struct vring_packed_desc *descs = vq->desc_packed;
+ uint16_t avail_idx = vq->last_avail_idx;
+ uint16_t used_idx = vq->last_used_idx;
+ uint32_t buf_offset = sizeof(struct virtio_net_hdr_mrg_rxbuf);
+ uint32_t cpy_threshold = vq->async_threshold;
+ uint16_t i;
+
+ vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
+ if (unlikely(pkts[i]->data_len >= cpy_threshold))
+ return -1;
+ }
+
+ if (unlikely(avail_idx & PACKED_BATCH_MASK))
+ return -1;
+
+ if (unlikely((avail_idx + PACKED_BATCH_SIZE) > vq->size))
+ return -1;
+
+ if (unlikely((used_idx + PACKED_BATCH_SIZE) > vq->size))
+ return -1;
+
+ vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
+ if (unlikely(pkts[i]->next != NULL))
+ return -1;
+ if (unlikely(!desc_is_avail(&descs[avail_idx + i],
+ wrap_counter)))
+ return -1;
+ }
+
+ vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE)
+ lens[i] = descs[avail_idx + i].len;
+
+ vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
+ if (unlikely(pkts[i]->pkt_len > (lens[i] - buf_offset)))
+ return -1;
+ }
+
+ vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE)
+ desc_addrs[i] = vhost_iova_to_vva(dev, vq,
+ descs[avail_idx + i].addr,
+ &lens[i],
+ VHOST_ACCESS_RW);
+
+ vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
+ if (unlikely(!desc_addrs[i]))
+ return -1;
+ if (unlikely(lens[i] != descs[avail_idx + i].len))
+ return -1;
+ }
+
+ return 0;
+}
+
+static __rte_always_inline void
+virtio_dev_rx_batch_packed_copy(struct virtio_net *dev,
+ struct vhost_virtqueue *vq,
+ struct rte_mbuf **pkts,
+ uint64_t *desc_addrs,
+ uint64_t *lens)
+{
+ uint32_t buf_offset = sizeof(struct virtio_net_hdr_mrg_rxbuf);
+ struct virtio_net_hdr_mrg_rxbuf *hdrs[PACKED_BATCH_SIZE];
+ struct vring_packed_desc *descs = vq->desc_packed;
+ uint16_t avail_idx = vq->last_avail_idx;
+ uint16_t ids[PACKED_BATCH_SIZE];
+ uint16_t i;
+
vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
rte_prefetch0((void *)(uintptr_t)desc_addrs[i]);
hdrs[i] = (struct virtio_net_hdr_mrg_rxbuf *)
ids[i] = descs[avail_idx + i].id;
vhost_flush_enqueue_batch_packed(dev, vq, lens, ids);
+}
+
+static __rte_always_inline int
+virtio_dev_rx_sync_batch_packed(struct virtio_net *dev,
+ struct vhost_virtqueue *vq,
+ struct rte_mbuf **pkts)
+{
+ uint64_t desc_addrs[PACKED_BATCH_SIZE];
+ uint64_t lens[PACKED_BATCH_SIZE];
+
+ if (virtio_dev_rx_sync_batch_check(dev, vq, pkts, desc_addrs, lens) == -1)
+ return -1;
+
+ if (vq->shadow_used_idx) {
+ do_data_copy_enqueue(dev, vq);
+ vhost_flush_enqueue_shadow_packed(dev, vq);
+ }
+
+ virtio_dev_rx_batch_packed_copy(dev, vq, pkts, desc_addrs, lens);
+
+ return 0;
+}
+
+static __rte_always_inline int
+virtio_dev_rx_async_batch_packed(struct virtio_net *dev,
+ struct vhost_virtqueue *vq,
+ struct rte_mbuf **pkts,
+ struct rte_mbuf **comp_pkts, uint32_t *pkt_done)
+{
+ uint16_t i;
+ uint64_t desc_addrs[PACKED_BATCH_SIZE];
+ uint64_t lens[PACKED_BATCH_SIZE];
+
+ if (virtio_dev_rx_async_batch_check(dev, vq, pkts, desc_addrs, lens) == -1)
+ return -1;
+
+ virtio_dev_rx_batch_packed_copy(dev, vq, pkts, desc_addrs, lens);
+
+ if (vq->shadow_used_idx) {
+ do_data_copy_enqueue(dev, vq);
+ vhost_flush_enqueue_shadow_packed(dev, vq);
+ }
+
+ vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE)
+ comp_pkts[(*pkt_done)++] = pkts[i];
return 0;
}
rte_prefetch0(&vq->desc_packed[vq->last_avail_idx]);
if (count - pkt_idx >= PACKED_BATCH_SIZE) {
- if (!virtio_dev_rx_batch_packed(dev, vq,
+ if (!virtio_dev_rx_sync_batch_packed(dev, vq,
&pkts[pkt_idx])) {
pkt_idx += PACKED_BATCH_SIZE;
continue;
uint16_t vq_size, uint16_t n_inflight)
{
return pkts_idx > n_inflight ? (pkts_idx - n_inflight) :
- (vq_size - n_inflight + pkts_idx) & (vq_size - 1);
+ (vq_size - n_inflight + pkts_idx) % vq_size;
}
static __rte_always_inline void
struct async_inflight_info *pkts_info = vq->async_pkts_info;
uint32_t n_pkts = 0, pkt_err = 0;
uint32_t num_async_pkts = 0, num_done_pkts = 0;
+ int32_t n_xfer;
struct {
uint16_t pkt_idx;
uint16_t last_avail_idx;
if (unlikely(pkt_burst_idx >= VHOST_ASYNC_BATCH_THRESHOLD ||
((VHOST_MAX_ASYNC_VEC >> 1) - segs_await <
BUF_VECTOR_MAX))) {
- n_pkts = vq->async_ops.transfer_data(dev->vid,
+ n_xfer = vq->async_ops.transfer_data(dev->vid,
queue_id, tdes, 0, pkt_burst_idx);
+ if (n_xfer >= 0) {
+ n_pkts = n_xfer;
+ } else {
+ VHOST_LOG_DATA(ERR,
+ "(%d) %s: failed to transfer data for queue id %d.\n",
+ dev->vid, __func__, queue_id);
+ n_pkts = 0;
+ }
+
iovec_idx = 0;
it_idx = 0;
}
if (pkt_burst_idx) {
- n_pkts = vq->async_ops.transfer_data(dev->vid,
- queue_id, tdes, 0, pkt_burst_idx);
+ n_xfer = vq->async_ops.transfer_data(dev->vid, queue_id, tdes, 0, pkt_burst_idx);
+ if (n_xfer >= 0) {
+ n_pkts = n_xfer;
+ } else {
+ VHOST_LOG_DATA(ERR, "(%d) %s: failed to transfer data for queue id %d.\n",
+ dev->vid, __func__, queue_id);
+ n_pkts = 0;
+ }
+
vq->async_pkts_inflight_n += n_pkts;
if (unlikely(n_pkts < pkt_burst_idx))
vq->desc_packed[head_idx].flags = head_flags;
}
-static __rte_always_inline int
-virtio_dev_rx_async_batch_packed(struct virtio_net *dev,
- struct vhost_virtqueue *vq,
- struct rte_mbuf **pkts,
- struct rte_mbuf **comp_pkts, uint32_t *pkt_done)
-{
- uint16_t i;
- uint32_t cpy_threshold = vq->async_threshold;
-
- vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE) {
- if (unlikely(pkts[i]->pkt_len >= cpy_threshold))
- return -1;
- }
- if (!virtio_dev_rx_batch_packed(dev, vq, pkts)) {
- vhost_for_each_try_unroll(i, 0, PACKED_BATCH_SIZE)
- comp_pkts[(*pkt_done)++] = pkts[i];
-
- return 0;
- }
-
- return -1;
-}
-
static __rte_always_inline int
vhost_enqueue_async_single_packed(struct virtio_net *dev,
struct vhost_virtqueue *vq,
uint16_t async_descs_idx = 0;
uint16_t num_buffers;
uint16_t num_descs;
+ int32_t n_xfer;
struct rte_vhost_iov_iter *it_pool = vq->it_pool;
struct iovec *vec_pool = vq->vec_pool;
slot_idx = (vq->async_pkts_idx + num_async_pkts) % vq->size;
if (it_pool[it_idx].count) {
- uint16_t from, to;
+ uint16_t from;
async_descs_idx += num_descs;
async_fill_desc(&tdes[pkt_burst_idx++],
* descriptors.
*/
from = vq->shadow_used_idx - num_buffers;
- to = vq->async_buffer_idx_packed % vq->size;
store_dma_desc_info_packed(vq->shadow_used_packed,
- vq->async_buffers_packed, vq->size, from, to, num_buffers);
+ vq->async_buffers_packed, vq->size, from,
+ vq->async_buffer_idx_packed, num_buffers);
vq->async_buffer_idx_packed += num_buffers;
+ if (vq->async_buffer_idx_packed >= vq->size)
+ vq->async_buffer_idx_packed -= vq->size;
vq->shadow_used_idx -= num_buffers;
} else {
comp_pkts[num_done_pkts++] = pkts[pkt_idx];
*/
if (unlikely(pkt_burst_idx >= VHOST_ASYNC_BATCH_THRESHOLD ||
((VHOST_MAX_ASYNC_VEC >> 1) - segs_await < BUF_VECTOR_MAX))) {
- n_pkts = vq->async_ops.transfer_data(dev->vid, queue_id,
- tdes, 0, pkt_burst_idx);
+ n_xfer = vq->async_ops.transfer_data(dev->vid,
+ queue_id, tdes, 0, pkt_burst_idx);
+ if (n_xfer >= 0) {
+ n_pkts = n_xfer;
+ } else {
+ VHOST_LOG_DATA(ERR,
+ "(%d) %s: failed to transfer data for queue id %d.\n",
+ dev->vid, __func__, queue_id);
+ n_pkts = 0;
+ }
+
iovec_idx = 0;
it_idx = 0;
segs_await = 0;
} while (pkt_idx < count);
if (pkt_burst_idx) {
- n_pkts = vq->async_ops.transfer_data(dev->vid, queue_id, tdes, 0, pkt_burst_idx);
+ n_xfer = vq->async_ops.transfer_data(dev->vid, queue_id, tdes, 0, pkt_burst_idx);
+ if (n_xfer >= 0) {
+ n_pkts = n_xfer;
+ } else {
+ VHOST_LOG_DATA(ERR, "(%d) %s: failed to transfer data for queue id %d.\n",
+ dev->vid, __func__, queue_id);
+ n_pkts = 0;
+ }
+
vq->async_pkts_inflight_n += n_pkts;
if (unlikely(n_pkts < pkt_burst_idx))
dma_error_handler_packed(vq, async_descs, async_descs_idx, slot_idx, pkt_err,
&pkt_idx, &num_async_pkts, &num_done_pkts);
vq->async_pkts_idx += num_async_pkts;
+ if (vq->async_pkts_idx >= vq->size)
+ vq->async_pkts_idx -= vq->size;
*comp_count = num_done_pkts;
if (likely(vq->shadow_used_idx)) {
uint16_t from, to;
do {
- from = vq->last_async_buffer_idx_packed % vq->size;
+ from = vq->last_async_buffer_idx_packed;
to = (from + nr_left) % vq->size;
if (to > from) {
vhost_update_used_packed(vq, vq->async_buffers_packed + from, to - from);
} else {
vhost_update_used_packed(vq, vq->async_buffers_packed + from,
vq->size - from);
- vq->last_async_buffer_idx_packed += vq->size - from;
+ vq->last_async_buffer_idx_packed = 0;
nr_left -= vq->size - from;
}
} while (nr_left > 0);
}
-uint16_t rte_vhost_poll_enqueue_completed(int vid, uint16_t queue_id,
+static __rte_always_inline uint16_t
+vhost_poll_enqueue_completed(struct virtio_net *dev, uint16_t queue_id,
struct rte_mbuf **pkts, uint16_t count)
{
- struct virtio_net *dev = get_device(vid);
struct vhost_virtqueue *vq;
uint16_t n_pkts_cpl = 0, n_pkts_put = 0, n_descs = 0, n_buffers = 0;
uint16_t start_idx, pkts_idx, vq_size;
struct async_inflight_info *pkts_info;
uint16_t from, i;
-
- if (!dev)
- return 0;
-
- VHOST_LOG_DATA(DEBUG, "(%d) %s\n", dev->vid, __func__);
- if (unlikely(!is_valid_virt_queue_idx(queue_id, 0, dev->nr_vring))) {
- VHOST_LOG_DATA(ERR, "(%d) %s: invalid virtqueue idx %d.\n",
- dev->vid, __func__, queue_id);
- return 0;
- }
+ int32_t n_cpl;
vq = dev->virtqueue[queue_id];
- if (unlikely(!vq->async_registered)) {
- VHOST_LOG_DATA(ERR, "(%d) %s: async not registered for queue id %d.\n",
- dev->vid, __func__, queue_id);
- return 0;
- }
-
- rte_spinlock_lock(&vq->access_lock);
-
pkts_idx = vq->async_pkts_idx % vq->size;
pkts_info = vq->async_pkts_info;
vq_size = vq->size;
start_idx = virtio_dev_rx_async_get_info_idx(pkts_idx,
vq_size, vq->async_pkts_inflight_n);
- if (count > vq->async_last_pkts_n)
- n_pkts_cpl = vq->async_ops.check_completed_copies(vid,
+ if (count > vq->async_last_pkts_n) {
+ n_cpl = vq->async_ops.check_completed_copies(dev->vid,
queue_id, 0, count - vq->async_last_pkts_n);
+ if (n_cpl >= 0) {
+ n_pkts_cpl = n_cpl;
+ } else {
+ VHOST_LOG_DATA(ERR,
+ "(%d) %s: failed to check completed copies for queue id %d.\n",
+ dev->vid, __func__, queue_id);
+ n_pkts_cpl = 0;
+ }
+ }
n_pkts_cpl += vq->async_last_pkts_n;
n_pkts_put = RTE_MIN(count, n_pkts_cpl);
if (unlikely(n_pkts_put == 0)) {
vq->async_last_pkts_n = n_pkts_cpl;
- goto done;
+ return 0;
}
if (vq_is_packed(dev)) {
for (i = 0; i < n_pkts_put; i++) {
- from = (start_idx + i) & (vq_size - 1);
+ from = (start_idx + i) % vq_size;
n_buffers += pkts_info[from].nr_buffers;
pkts[i] = pkts_info[from].mbuf;
}
vhost_vring_call_split(dev, vq);
}
} else {
- if (vq_is_packed(dev))
+ if (vq_is_packed(dev)) {
vq->last_async_buffer_idx_packed += n_buffers;
- else
+ if (vq->last_async_buffer_idx_packed >= vq->size)
+ vq->last_async_buffer_idx_packed -= vq->size;
+ } else {
vq->last_async_desc_idx_split += n_descs;
+ }
+ }
+
+ return n_pkts_put;
+}
+
+uint16_t
+rte_vhost_poll_enqueue_completed(int vid, uint16_t queue_id,
+ struct rte_mbuf **pkts, uint16_t count)
+{
+ struct virtio_net *dev = get_device(vid);
+ struct vhost_virtqueue *vq;
+ uint16_t n_pkts_cpl = 0;
+
+ if (!dev)
+ return 0;
+
+ VHOST_LOG_DATA(DEBUG, "(%d) %s\n", dev->vid, __func__);
+ if (unlikely(!is_valid_virt_queue_idx(queue_id, 0, dev->nr_vring))) {
+ VHOST_LOG_DATA(ERR, "(%d) %s: invalid virtqueue idx %d.\n",
+ dev->vid, __func__, queue_id);
+ return 0;
+ }
+
+ vq = dev->virtqueue[queue_id];
+
+ if (unlikely(!vq->async_registered)) {
+ VHOST_LOG_DATA(ERR, "(%d) %s: async not registered for queue id %d.\n",
+ dev->vid, __func__, queue_id);
+ return 0;
}
-done:
+ rte_spinlock_lock(&vq->access_lock);
+
+ n_pkts_cpl = vhost_poll_enqueue_completed(dev, queue_id, pkts, count);
+
rte_spinlock_unlock(&vq->access_lock);
- return n_pkts_put;
+ return n_pkts_cpl;
+}
+
+uint16_t
+rte_vhost_clear_queue_thread_unsafe(int vid, uint16_t queue_id,
+ struct rte_mbuf **pkts, uint16_t count)
+{
+ struct virtio_net *dev = get_device(vid);
+ struct vhost_virtqueue *vq;
+ uint16_t n_pkts_cpl = 0;
+
+ if (!dev)
+ return 0;
+
+ VHOST_LOG_DATA(DEBUG, "(%d) %s\n", dev->vid, __func__);
+ if (unlikely(!is_valid_virt_queue_idx(queue_id, 0, dev->nr_vring))) {
+ VHOST_LOG_DATA(ERR, "(%d) %s: invalid virtqueue idx %d.\n",
+ dev->vid, __func__, queue_id);
+ return 0;
+ }
+
+ vq = dev->virtqueue[queue_id];
+
+ if (unlikely(!vq->async_registered)) {
+ VHOST_LOG_DATA(ERR, "(%d) %s: async not registered for queue id %d.\n",
+ dev->vid, __func__, queue_id);
+ return 0;
+ }
+
+ n_pkts_cpl = vhost_poll_enqueue_completed(dev, queue_id, pkts, count);
+
+ return n_pkts_cpl;
}
static __rte_always_inline uint32_t
return false;
}
-static void
-parse_ethernet(struct rte_mbuf *m, uint16_t *l4_proto, void **l4_hdr)
+static int
+parse_headers(struct rte_mbuf *m, uint8_t *l4_proto)
{
struct rte_ipv4_hdr *ipv4_hdr;
struct rte_ipv6_hdr *ipv6_hdr;
- void *l3_hdr = NULL;
struct rte_ether_hdr *eth_hdr;
uint16_t ethertype;
+ uint16_t data_len = rte_pktmbuf_data_len(m);
+
+ if (data_len < sizeof(struct rte_ether_hdr))
+ return -EINVAL;
eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
ethertype = rte_be_to_cpu_16(eth_hdr->ether_type);
if (ethertype == RTE_ETHER_TYPE_VLAN) {
+ if (data_len < sizeof(struct rte_ether_hdr) +
+ sizeof(struct rte_vlan_hdr))
+ goto error;
+
struct rte_vlan_hdr *vlan_hdr =
(struct rte_vlan_hdr *)(eth_hdr + 1);
ethertype = rte_be_to_cpu_16(vlan_hdr->eth_proto);
}
- l3_hdr = (char *)eth_hdr + m->l2_len;
-
switch (ethertype) {
case RTE_ETHER_TYPE_IPV4:
- ipv4_hdr = l3_hdr;
- *l4_proto = ipv4_hdr->next_proto_id;
+ if (data_len < m->l2_len + sizeof(struct rte_ipv4_hdr))
+ goto error;
+ ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
+ m->l2_len);
m->l3_len = rte_ipv4_hdr_len(ipv4_hdr);
- *l4_hdr = (char *)l3_hdr + m->l3_len;
- m->ol_flags |= PKT_TX_IPV4;
+ if (data_len < m->l2_len + m->l3_len)
+ goto error;
+ m->ol_flags |= RTE_MBUF_F_TX_IPV4;
+ *l4_proto = ipv4_hdr->next_proto_id;
break;
case RTE_ETHER_TYPE_IPV6:
- ipv6_hdr = l3_hdr;
- *l4_proto = ipv6_hdr->proto;
+ if (data_len < m->l2_len + sizeof(struct rte_ipv6_hdr))
+ goto error;
+ ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
+ m->l2_len);
m->l3_len = sizeof(struct rte_ipv6_hdr);
- *l4_hdr = (char *)l3_hdr + m->l3_len;
- m->ol_flags |= PKT_TX_IPV6;
+ m->ol_flags |= RTE_MBUF_F_TX_IPV6;
+ *l4_proto = ipv6_hdr->proto;
break;
default:
- m->l3_len = 0;
- *l4_proto = 0;
- *l4_hdr = NULL;
+ /* a valid L3 header is needed for further L4 parsing */
+ goto error;
+ }
+
+ /* both CSUM and GSO need a valid L4 header */
+ switch (*l4_proto) {
+ case IPPROTO_TCP:
+ if (data_len < m->l2_len + m->l3_len +
+ sizeof(struct rte_tcp_hdr))
+ goto error;
+ break;
+ case IPPROTO_UDP:
+ if (data_len < m->l2_len + m->l3_len +
+ sizeof(struct rte_udp_hdr))
+ goto error;
break;
+ case IPPROTO_SCTP:
+ if (data_len < m->l2_len + m->l3_len +
+ sizeof(struct rte_sctp_hdr))
+ goto error;
+ break;
+ default:
+ goto error;
}
+
+ return 0;
+
+error:
+ m->l2_len = 0;
+ m->l3_len = 0;
+ m->ol_flags = 0;
+ return -EINVAL;
}
static __rte_always_inline void
vhost_dequeue_offload_legacy(struct virtio_net_hdr *hdr, struct rte_mbuf *m)
{
- uint16_t l4_proto = 0;
- void *l4_hdr = NULL;
+ uint8_t l4_proto = 0;
struct rte_tcp_hdr *tcp_hdr = NULL;
+ uint16_t tcp_len;
+ uint16_t data_len = rte_pktmbuf_data_len(m);
+
+ if (parse_headers(m, &l4_proto) < 0)
+ return;
- parse_ethernet(m, &l4_proto, &l4_hdr);
if (hdr->flags == VIRTIO_NET_HDR_F_NEEDS_CSUM) {
if (hdr->csum_start == (m->l2_len + m->l3_len)) {
switch (hdr->csum_offset) {
case (offsetof(struct rte_tcp_hdr, cksum)):
- if (l4_proto == IPPROTO_TCP)
- m->ol_flags |= PKT_TX_TCP_CKSUM;
+ if (l4_proto != IPPROTO_TCP)
+ goto error;
+ m->ol_flags |= RTE_MBUF_F_TX_TCP_CKSUM;
break;
case (offsetof(struct rte_udp_hdr, dgram_cksum)):
- if (l4_proto == IPPROTO_UDP)
- m->ol_flags |= PKT_TX_UDP_CKSUM;
+ if (l4_proto != IPPROTO_UDP)
+ goto error;
+ m->ol_flags |= RTE_MBUF_F_TX_UDP_CKSUM;
break;
case (offsetof(struct rte_sctp_hdr, cksum)):
- if (l4_proto == IPPROTO_SCTP)
- m->ol_flags |= PKT_TX_SCTP_CKSUM;
+ if (l4_proto != IPPROTO_SCTP)
+ goto error;
+ m->ol_flags |= RTE_MBUF_F_TX_SCTP_CKSUM;
break;
default:
- break;
+ goto error;
}
+ } else {
+ goto error;
}
}
- if (l4_hdr && hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
+ if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
case VIRTIO_NET_HDR_GSO_TCPV4:
case VIRTIO_NET_HDR_GSO_TCPV6:
- tcp_hdr = l4_hdr;
- m->ol_flags |= PKT_TX_TCP_SEG;
+ if (l4_proto != IPPROTO_TCP)
+ goto error;
+ tcp_hdr = rte_pktmbuf_mtod_offset(m,
+ struct rte_tcp_hdr *,
+ m->l2_len + m->l3_len);
+ tcp_len = (tcp_hdr->data_off & 0xf0) >> 2;
+ if (data_len < m->l2_len + m->l3_len + tcp_len)
+ goto error;
+ m->ol_flags |= RTE_MBUF_F_TX_TCP_SEG;
m->tso_segsz = hdr->gso_size;
- m->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
+ m->l4_len = tcp_len;
break;
case VIRTIO_NET_HDR_GSO_UDP:
- m->ol_flags |= PKT_TX_UDP_SEG;
+ if (l4_proto != IPPROTO_UDP)
+ goto error;
+ m->ol_flags |= RTE_MBUF_F_TX_UDP_SEG;
m->tso_segsz = hdr->gso_size;
m->l4_len = sizeof(struct rte_udp_hdr);
break;
default:
VHOST_LOG_DATA(WARNING,
"unsupported gso type %u.\n", hdr->gso_type);
- break;
+ goto error;
}
}
+ return;
+
+error:
+ m->l2_len = 0;
+ m->l3_len = 0;
+ m->ol_flags = 0;
}
static __rte_always_inline void
return;
}
- m->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN;
+ m->ol_flags |= RTE_MBUF_F_RX_IP_CKSUM_UNKNOWN;
ptype = rte_net_get_ptype(m, &hdr_lens, RTE_PTYPE_ALL_MASK);
m->packet_type = ptype;
hdrlen = hdr_lens.l2_len + hdr_lens.l3_len + hdr_lens.l4_len;
if (hdr->csum_start <= hdrlen && l4_supported != 0) {
- m->ol_flags |= PKT_RX_L4_CKSUM_NONE;
+ m->ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_NONE;
} else {
/* Unknown proto or tunnel, do sw cksum. We can assume
* the cksum field is in the first segment since the
case VIRTIO_NET_HDR_GSO_TCPV6:
if ((ptype & RTE_PTYPE_L4_MASK) != RTE_PTYPE_L4_TCP)
break;
- m->ol_flags |= PKT_RX_LRO | PKT_RX_L4_CKSUM_NONE;
+ m->ol_flags |= RTE_MBUF_F_RX_LRO | RTE_MBUF_F_RX_L4_CKSUM_NONE;
m->tso_segsz = hdr->gso_size;
break;
case VIRTIO_NET_HDR_GSO_UDP:
if ((ptype & RTE_PTYPE_L4_MASK) != RTE_PTYPE_L4_UDP)
break;
- m->ol_flags |= PKT_RX_LRO | PKT_RX_L4_CKSUM_NONE;
+ m->ol_flags |= RTE_MBUF_F_RX_LRO | RTE_MBUF_F_RX_L4_CKSUM_NONE;
m->tso_segsz = hdr->gso_size;
break;
default:
return 0;
}
+/*
+ * Prepare a host supported pktmbuf.
+ */
static __rte_always_inline int
virtio_dev_pktmbuf_prep(struct virtio_net *dev, struct rte_mbuf *pkt,
uint32_t data_len)
return -1;
}
-/*
- * Allocate a host supported pktmbuf.
- */
-static __rte_always_inline struct rte_mbuf *
-virtio_dev_pktmbuf_alloc(struct virtio_net *dev, struct rte_mempool *mp,
- uint32_t data_len)
-{
- struct rte_mbuf *pkt = rte_pktmbuf_alloc(mp);
-
- if (unlikely(pkt == NULL)) {
- VHOST_LOG_DATA(ERR,
- "Failed to allocate memory for mbuf.\n");
- return NULL;
- }
-
- if (virtio_dev_pktmbuf_prep(dev, pkt, data_len)) {
- /* Data doesn't fit into the buffer and the host supports
- * only linear buffers
- */
- rte_pktmbuf_free(pkt);
- return NULL;
- }
-
- return pkt;
-}
-
__rte_always_inline
static uint16_t
virtio_dev_tx_split(struct virtio_net *dev, struct vhost_virtqueue *vq,
VHOST_LOG_DATA(DEBUG, "(%d) about to dequeue %u buffers\n",
dev->vid, count);
+ if (rte_pktmbuf_alloc_bulk(mbuf_pool, pkts, count))
+ return 0;
+
for (i = 0; i < count; i++) {
struct buf_vector buf_vec[BUF_VECTOR_MAX];
uint16_t head_idx;
update_shadow_used_ring_split(vq, head_idx, 0);
- pkts[i] = virtio_dev_pktmbuf_alloc(dev, mbuf_pool, buf_len);
- if (unlikely(pkts[i] == NULL)) {
+ err = virtio_dev_pktmbuf_prep(dev, pkts[i], buf_len);
+ if (unlikely(err)) {
/*
* mbuf allocation fails for jumbo packets when external
* buffer allocation is not allowed and linear buffer
err = copy_desc_to_mbuf(dev, vq, buf_vec, nr_vec, pkts[i],
mbuf_pool, legacy_ol_flags);
if (unlikely(err)) {
- rte_pktmbuf_free(pkts[i]);
if (!allocerr_warned) {
VHOST_LOG_DATA(ERR,
"Failed to copy desc to mbuf on %s.\n",
}
}
+ if (dropped)
+ rte_pktmbuf_free_bulk(&pkts[i - 1], count - i + 1);
+
vq->last_avail_idx += i;
do_data_copy_dequeue(vq);
git.droids-corp.org / dpdk.git / blobdiff