}
}
-static struct rte_mbuf * dpdk_replicate_packet_mb (vlib_buffer_t * b)
+struct rte_mbuf * dpdk_replicate_packet_mb (vlib_buffer_t * b)
{
vlib_main_t * vm = vlib_get_main();
vlib_buffer_main_t * bm = vm->buffer_main;
rte_pktmbuf_data_len (new_mb) = pkt_mb->data_len;
copy_bytes = pkt_mb->data_len + RTE_PKTMBUF_HEADROOM;
ASSERT(copy_bytes <= pkt_mb->buf_len);
- memcpy(new_mb->buf_addr, pkt_mb->buf_addr, copy_bytes);
+ clib_memcpy(new_mb->buf_addr, pkt_mb->buf_addr, copy_bytes);
prev_mb_next = &new_mb->next;
pkt_mb = pkt_mb->next;
return first_mb;
}
+struct rte_mbuf * dpdk_zerocopy_replicate_packet_mb (vlib_buffer_t * b)
+{
+ vlib_main_t * vm = vlib_get_main();
+ vlib_buffer_main_t * bm = vm->buffer_main;
+ struct rte_mbuf * first_mb = 0, * new_mb, * pkt_mb, ** prev_mb_next = 0;
+ u8 nb_segs, nb_segs_left;
+ unsigned socket_id = rte_socket_id();
+
+ ASSERT (bm->pktmbuf_pools[socket_id]);
+ pkt_mb = rte_mbuf_from_vlib_buffer(b);
+ nb_segs = pkt_mb->nb_segs;
+ for (nb_segs_left = nb_segs; nb_segs_left; nb_segs_left--)
+ {
+ if (PREDICT_FALSE(pkt_mb == 0))
+ {
+ clib_warning ("Missing %d mbuf chain segment(s): "
+ "(nb_segs = %d, nb_segs_left = %d)!",
+ nb_segs - nb_segs_left, nb_segs, nb_segs_left);
+ if (first_mb)
+ rte_pktmbuf_free(first_mb);
+ return NULL;
+ }
+ new_mb = rte_pktmbuf_clone(pkt_mb, bm->pktmbuf_pools[socket_id]);
+ if (PREDICT_FALSE(new_mb == 0))
+ {
+ if (first_mb)
+ rte_pktmbuf_free(first_mb);
+ return NULL;
+ }
+
+ /*
+ * Copy packet info into 1st segment.
+ */
+ if (first_mb == 0)
+ {
+ first_mb = new_mb;
+ rte_pktmbuf_pkt_len (first_mb) = pkt_mb->pkt_len;
+ first_mb->nb_segs = pkt_mb->nb_segs;
+ first_mb->port = pkt_mb->port;
+#ifdef DAW_FIXME // TX Offload support TBD
+ first_mb->vlan_macip = pkt_mb->vlan_macip;
+ first_mb->hash = pkt_mb->hash;
+ first_mb->ol_flags = pkt_mb->ol_flags
+#endif
+ }
+ else
+ {
+ ASSERT(prev_mb_next != 0);
+ *prev_mb_next = new_mb;
+ }
+
+ /*
+ * Copy packet segment data into new mbuf segment.
+ */
+ rte_pktmbuf_data_len (new_mb) = pkt_mb->data_len;
+
+ prev_mb_next = &new_mb->next;
+ pkt_mb = pkt_mb->next;
+ }
+
+ ASSERT(pkt_mb == 0);
+ __rte_mbuf_sanity_check(first_mb, 1);
+
+ return first_mb;
+
+
+}
+
static void
dpdk_tx_trace_buffer (dpdk_main_t * dm,
vlib_node_runtime_t * node,
t0->queue_index = queue_id;
t0->device_index = xd->device_index;
t0->buffer_index = buffer_index;
- memcpy (&t0->mb, mb, sizeof (t0->mb));
- memcpy (&t0->buffer, buffer, sizeof (buffer[0]) - sizeof (buffer->pre_data));
- memcpy (t0->buffer.pre_data, buffer->data + buffer->current_data,
+ clib_memcpy (&t0->mb, mb, sizeof (t0->mb));
+ clib_memcpy (&t0->buffer, buffer, sizeof (buffer[0]) - sizeof (buffer->pre_data));
+ clib_memcpy (t0->buffer.pre_data, buffer->data + buffer->current_data,
sizeof (t0->buffer.pre_data));
}
if (PREDICT_FALSE(any_clone != 0))
{
if (PREDICT_FALSE(b0->clone_count != 0))
- {
- struct rte_mbuf * mb0_new = dpdk_replicate_packet_mb (b0);
- if (PREDICT_FALSE(mb0_new == 0))
- {
- vlib_error_count (vm, node->node_index,
- DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
- b0->flags |= VLIB_BUFFER_REPL_FAIL;
- }
- else
- mb0 = mb0_new;
- vec_add1 (dm->recycle[my_cpu], bi0);
- }
+ {
+ struct rte_mbuf * mb0_new = dpdk_replicate_packet_mb (b0);
+ if (PREDICT_FALSE(mb0_new == 0))
+ {
+ vlib_error_count (vm, node->node_index,
+ DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
+ b0->flags |= VLIB_BUFFER_REPL_FAIL;
+ }
+ else
+ mb0 = mb0_new;
+ vec_add1 (dm->recycle[my_cpu], bi0);
+ }
if (PREDICT_FALSE(b1->clone_count != 0))
- {
- struct rte_mbuf * mb1_new = dpdk_replicate_packet_mb (b1);
- if (PREDICT_FALSE(mb1_new == 0))
- {
- vlib_error_count (vm, node->node_index,
- DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
- b1->flags |= VLIB_BUFFER_REPL_FAIL;
- }
- else
- mb1 = mb1_new;
- vec_add1 (dm->recycle[my_cpu], bi1);
- }
- }
+ {
+ struct rte_mbuf * mb1_new = dpdk_replicate_packet_mb (b1);
+ if (PREDICT_FALSE(mb1_new == 0))
+ {
+ vlib_error_count (vm, node->node_index,
+ DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
+ b1->flags |= VLIB_BUFFER_REPL_FAIL;
+ }
+ else
+ mb1 = mb1_new;
+ vec_add1 (dm->recycle[my_cpu], bi1);
+ }
+ }
delta0 = PREDICT_FALSE(b0->flags & VLIB_BUFFER_REPL_FAIL) ? 0 :
- vlib_buffer_length_in_chain (vm, b0) - (i16) mb0->pkt_len;
+ vlib_buffer_length_in_chain (vm, b0) - (i16) mb0->pkt_len;
delta1 = PREDICT_FALSE(b1->flags & VLIB_BUFFER_REPL_FAIL) ? 0 :
- vlib_buffer_length_in_chain (vm, b1) - (i16) mb1->pkt_len;
+ vlib_buffer_length_in_chain (vm, b1) - (i16) mb1->pkt_len;
new_data_len0 = (u16)((i16) mb0->data_len + delta0);
new_data_len1 = (u16)((i16) mb1->data_len + delta1);
mb1->pkt_len = new_pkt_len1;
mb0->data_off = (PREDICT_FALSE(b0->flags & VLIB_BUFFER_REPL_FAIL)) ?
- mb0->data_off : (u16)(RTE_PKTMBUF_HEADROOM + b0->current_data);
+ mb0->data_off : (u16)(RTE_PKTMBUF_HEADROOM + b0->current_data);
mb1->data_off = (PREDICT_FALSE(b1->flags & VLIB_BUFFER_REPL_FAIL)) ?
- mb1->data_off : (u16)(RTE_PKTMBUF_HEADROOM + b1->current_data);
+ mb1->data_off : (u16)(RTE_PKTMBUF_HEADROOM + b1->current_data);
if (PREDICT_FALSE(node->flags & VLIB_NODE_FLAG_TRACE))
- {
+ {
if (b0->flags & VLIB_BUFFER_IS_TRACED)
- dpdk_tx_trace_buffer (dm, node, xd, queue_id, bi0, b0);
+ dpdk_tx_trace_buffer (dm, node, xd, queue_id, bi0, b0);
if (b1->flags & VLIB_BUFFER_IS_TRACED)
- dpdk_tx_trace_buffer (dm, node, xd, queue_id, bi1, b1);
- }
+ dpdk_tx_trace_buffer (dm, node, xd, queue_id, bi1, b1);
+ }
if (PREDICT_TRUE(any_clone == 0))
{
- tx_vector[i % DPDK_TX_RING_SIZE] = mb0;
+ tx_vector[i % DPDK_TX_RING_SIZE] = mb0;
i++;
- tx_vector[i % DPDK_TX_RING_SIZE] = mb1;
+ tx_vector[i % DPDK_TX_RING_SIZE] = mb1;
i++;
}
else
/* cloning was done, need to check for failure */
if (PREDICT_TRUE((b0->flags & VLIB_BUFFER_REPL_FAIL) == 0))
{
- tx_vector[i % DPDK_TX_RING_SIZE] = mb0;
+ tx_vector[i % DPDK_TX_RING_SIZE] = mb0;
i++;
}
if (PREDICT_TRUE((b1->flags & VLIB_BUFFER_REPL_FAIL) == 0))
{
- tx_vector[i % DPDK_TX_RING_SIZE] = mb1;
+ tx_vector[i % DPDK_TX_RING_SIZE] = mb1;
i++;
}
}
-
+
n_left -= 2;
}
while (n_left > 0)
mb0 = rte_mbuf_from_vlib_buffer(b0);
if (PREDICT_FALSE(b0->clone_count != 0))
- {
- struct rte_mbuf * mb0_new = dpdk_replicate_packet_mb (b0);
- if (PREDICT_FALSE(mb0_new == 0))
- {
- vlib_error_count (vm, node->node_index,
- DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
- b0->flags |= VLIB_BUFFER_REPL_FAIL;
- }
- else
- mb0 = mb0_new;
- vec_add1 (dm->recycle[my_cpu], bi0);
- }
+ {
+ struct rte_mbuf * mb0_new = dpdk_replicate_packet_mb (b0);
+ if (PREDICT_FALSE(mb0_new == 0))
+ {
+ vlib_error_count (vm, node->node_index,
+ DPDK_TX_FUNC_ERROR_REPL_FAIL, 1);
+ b0->flags |= VLIB_BUFFER_REPL_FAIL;
+ }
+ else
+ mb0 = mb0_new;
+ vec_add1 (dm->recycle[my_cpu], bi0);
+ }
delta0 = PREDICT_FALSE(b0->flags & VLIB_BUFFER_REPL_FAIL) ? 0 :
- vlib_buffer_length_in_chain (vm, b0) - (i16) mb0->pkt_len;
+ vlib_buffer_length_in_chain (vm, b0) - (i16) mb0->pkt_len;
new_data_len0 = (u16)((i16) mb0->data_len + delta0);
new_pkt_len0 = (u16)((i16) mb0->pkt_len + delta0);
mb0->data_len = new_data_len0;
mb0->pkt_len = new_pkt_len0;
mb0->data_off = (PREDICT_FALSE(b0->flags & VLIB_BUFFER_REPL_FAIL)) ?
- mb0->data_off : (u16)(RTE_PKTMBUF_HEADROOM + b0->current_data);
+ mb0->data_off : (u16)(RTE_PKTMBUF_HEADROOM + b0->current_data);
if (PREDICT_FALSE(node->flags & VLIB_NODE_FLAG_TRACE))
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- dpdk_tx_trace_buffer (dm, node, xd, queue_id, bi0, b0);
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ dpdk_tx_trace_buffer (dm, node, xd, queue_id, bi0, b0);
if (PREDICT_TRUE((b0->flags & VLIB_BUFFER_REPL_FAIL) == 0))
{
- tx_vector[i % DPDK_TX_RING_SIZE] = mb0;
+ tx_vector[i % DPDK_TX_RING_SIZE] = mb0;
i++;
}
n_left--;
vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, n_packets);
vlib_error_count (vm, node->node_index, DPDK_TX_FUNC_ERROR_PKT_DROP,
- n_packets);
+ n_packets);
while (n_packets--)
rte_pktmbuf_free (tx_vector[ring->tx_tail + n_packets]);
}
/* Reset head/tail to avoid unnecessary wrap */
- ring->tx_head = 0;
- ring->tx_tail = 0;
+ ring->tx_head = 0;
+ ring->tx_tail = 0;
}
/* Recycle replicated buffers */
dpdk_device_t * xd = vec_elt_at_index (dm->devices, hi->dev_instance);
if (!xd || xd->dev_type != VNET_DPDK_DEV_VHOST_USER) {
- clib_warning("cannot renumber non-vhost-user interface (sw_if_index: %d)",
- hi->sw_if_index);
- return 0;
+ clib_warning("cannot renumber non-vhost-user interface (sw_if_index: %d)",
+ hi->sw_if_index);
+ return 0;
}
xd->vu_if_id = new_dev_instance;
*/
dpdk_update_counters (xd, vlib_time_now (dm->vlib_main));
- memcpy (&xd->last_cleared_stats, &xd->stats, sizeof(xd->stats));
- memcpy (xd->last_cleared_xstats, xd->xstats,
- vec_len(xd->last_cleared_xstats) *
- sizeof(xd->last_cleared_xstats[0]));
+ clib_memcpy (&xd->last_cleared_stats, &xd->stats, sizeof(xd->stats));
+ clib_memcpy (xd->last_cleared_xstats, xd->xstats,
+ vec_len(xd->last_cleared_xstats) *
+ sizeof(xd->last_cleared_xstats[0]));
}
else
{
if (PREDICT_FALSE(xd->dev_type == VNET_DPDK_DEV_VHOST_USER)) {
int i;
for (i = 0; i < xd->rx_q_used * VIRTIO_QNUM; i++) {
- xd->vu_intf->vrings[i].packets = 0;
- xd->vu_intf->vrings[i].bytes = 0;
+ xd->vu_intf->vrings[i].packets = 0;
+ xd->vu_intf->vrings[i].bytes = 0;
}
}
}
dpdk_update_counters (xd, vlib_time_now (dm->vlib_main));
- memcpy(dest, &xd->stats, sizeof(xd->stats));
+ clib_memcpy(dest, &xd->stats, sizeof(xd->stats));
return (0);
}
+
+/*
+ * Return the number of dpdk mbufs
+ */
+u32 dpdk_num_mbufs (void)
+{
+ dpdk_main_t * dm = &dpdk_main;
+
+ return dm->num_mbufs;
+}
+
+/*
+ * Return the io_thread_release
+ */
+int dpdk_io_thread_release (void)
+{
+ dpdk_main_t * dm = &dpdk_main;
+
+ return dm->io_thread_release;
+}
+
+/*
+ * Return the pmd type for a given hardware interface
+ */
+dpdk_pmd_t dpdk_get_pmd_type (vnet_hw_interface_t *hi)
+{
+ dpdk_main_t * dm = &dpdk_main;
+ dpdk_device_t * xd;
+
+ assert (hi);
+
+ xd = vec_elt_at_index (dm->devices, hi->dev_instance);
+
+ assert (xd);
+
+ return xd->pmd;
+}
+
+/*
+ * Return the cpu socket for a given hardware interface
+ */
+i8 dpdk_get_cpu_socket (vnet_hw_interface_t *hi)
+{
+ dpdk_main_t * dm = &dpdk_main;
+ dpdk_device_t * xd;
+
+ assert (hi);
+
+ xd = vec_elt_at_index(dm->devices, hi->dev_instance);
+
+ assert (xd);
+
+ return xd->cpu_socket;
+}
Code Review / vpp.git / blobdiff