#undef _
};
+typedef struct
+{
+ u32 buffer_index;
+ u32 hw_if_index;
+ u16 queue_id;
+ tpacket3_hdr_t tph;
+ vnet_virtio_net_hdr_t vnet_hdr;
+ vlib_buffer_t buffer;
+} af_packet_tx_trace_t;
#ifndef CLIB_MARCH_VARIANT
u8 *
af_packet_main_t *apm = &af_packet_main;
af_packet_if_t *apif = pool_elt_at_index (apm->interfaces, dev_instance);
- clib_spinlock_lock_if_init (&apif->lockp);
- u32 tx_block_sz = apif->tx_req->tp_block_size;
- u32 tx_frame_sz = apif->tx_req->tp_frame_size;
- u32 tx_frame_nr = apif->tx_req->tp_frame_nr;
- u32 tx_block_nr = apif->tx_req->tp_block_nr;
- u32 rx_block_size = apif->rx_req->tp_block_size;
- u32 rx_frame_size = apif->rx_req->tp_frame_size;
- u32 rx_frame_nr = apif->rx_req->tp_frame_nr;
- u32 rx_block_nr = apif->rx_req->tp_block_nr;
- int block = 0;
- u8 *tx_block_start = apif->tx_ring[block];
- u32 tx_frame = apif->next_tx_frame;
- tpacket3_hdr_t *tph;
-
- s = format (s, "Linux PACKET socket interface\n");
- s = format (s, "%UTX block size:%d nr:%d TX frame size:%d nr:%d\n",
- format_white_space, indent, tx_block_sz, tx_block_nr,
- tx_frame_sz, tx_frame_nr);
- s = format (s, "%URX block size:%d nr:%d RX frame size:%d nr:%d\n",
- format_white_space, indent, rx_block_size, rx_block_nr,
- rx_frame_size, rx_frame_nr);
- s = format (s, "%Unext frame:%d\n", format_white_space, indent,
- apif->next_tx_frame);
-
- int n_send_req = 0, n_avail = 0, n_sending = 0, n_tot = 0, n_wrong = 0;
- do
+ af_packet_queue_t *rx_queue = 0;
+ af_packet_queue_t *tx_queue = 0;
+
+ s = format (s, "Linux PACKET socket interface");
+
+ vec_foreach (rx_queue, apif->rx_queues)
{
- tph = (tpacket3_hdr_t *) (tx_block_start + tx_frame * tx_frame_sz);
- tx_frame = (tx_frame + 1) % tx_frame_nr;
- if (tph->tp_status == 0)
- n_avail++;
- else if (tph->tp_status & TP_STATUS_SEND_REQUEST)
- n_send_req++;
- else if (tph->tp_status & TP_STATUS_SENDING)
- n_sending++;
- else
- n_wrong++;
- n_tot++;
+ u32 rx_block_size = rx_queue->rx_req->tp_block_size;
+ u32 rx_frame_size = rx_queue->rx_req->tp_frame_size;
+ u32 rx_frame_nr = rx_queue->rx_req->tp_frame_nr;
+ u32 rx_block_nr = rx_queue->rx_req->tp_block_nr;
+
+ s = format (s, "\n%URX Queue %u:", format_white_space, indent,
+ rx_queue->queue_id);
+ s = format (s, "\n%Ublock size:%d nr:%d frame size:%d nr:%d",
+ format_white_space, indent + 2, rx_block_size, rx_block_nr,
+ rx_frame_size, rx_frame_nr);
+ s = format (s, " next block:%d", rx_queue->next_rx_block);
+ if (rx_queue->is_rx_pending)
+ {
+ s = format (
+ s, "\n%UPending Request: num-rx-pkts:%d next-frame-offset:%d",
+ format_white_space, indent + 2, rx_queue->num_rx_pkts,
+ rx_queue->rx_frame_offset);
+ }
}
- while (tx_frame != apif->next_tx_frame);
- s = format (s, "%Uavailable:%d request:%d sending:%d wrong:%d total:%d\n",
- format_white_space, indent, n_avail, n_send_req, n_sending,
- n_wrong, n_tot);
- clib_spinlock_unlock_if_init (&apif->lockp);
+ vec_foreach (tx_queue, apif->tx_queues)
+ {
+ clib_spinlock_lock (&tx_queue->lockp);
+ u32 tx_block_sz = tx_queue->tx_req->tp_block_size;
+ u32 tx_frame_sz = tx_queue->tx_req->tp_frame_size;
+ u32 tx_frame_nr = tx_queue->tx_req->tp_frame_nr;
+ u32 tx_block_nr = tx_queue->tx_req->tp_block_nr;
+ int block = 0;
+ int n_send_req = 0, n_avail = 0, n_sending = 0, n_tot = 0, n_wrong = 0;
+ u8 *tx_block_start = tx_queue->tx_ring[block];
+ u32 tx_frame = tx_queue->next_tx_frame;
+ tpacket3_hdr_t *tph;
+
+ s = format (s, "\n%UTX Queue %u:", format_white_space, indent,
+ tx_queue->queue_id);
+ s = format (s, "\n%Ublock size:%d nr:%d frame size:%d nr:%d",
+ format_white_space, indent + 2, tx_block_sz, tx_block_nr,
+ tx_frame_sz, tx_frame_nr);
+ s = format (s, " next frame:%d", tx_queue->next_tx_frame);
+
+ do
+ {
+ tph = (tpacket3_hdr_t *) (tx_block_start + tx_frame * tx_frame_sz);
+ tx_frame = (tx_frame + 1) % tx_frame_nr;
+ if (tph->tp_status == 0)
+ n_avail++;
+ else if (tph->tp_status & TP_STATUS_SEND_REQUEST)
+ n_send_req++;
+ else if (tph->tp_status & TP_STATUS_SENDING)
+ n_sending++;
+ else
+ n_wrong++;
+ n_tot++;
+ }
+ while (tx_frame != tx_queue->next_tx_frame);
+ s =
+ format (s, "\n%Uavailable:%d request:%d sending:%d wrong:%d total:%d",
+ format_white_space, indent + 2, n_avail, n_send_req, n_sending,
+ n_wrong, n_tot);
+ clib_spinlock_unlock (&tx_queue->lockp);
+ }
return s;
}
static u8 *
-format_af_packet_tx_trace (u8 * s, va_list * args)
+format_af_packet_tx_trace (u8 *s, va_list *va)
{
- s = format (s, "Unimplemented...");
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
+ af_packet_tx_trace_t *t = va_arg (*va, af_packet_tx_trace_t *);
+ u32 indent = format_get_indent (s);
+
+ s = format (s, "af_packet: hw_if_index %u tx-queue %u", t->hw_if_index,
+ t->queue_id);
+
+ s =
+ format (s,
+ "\n%Utpacket3_hdr:\n%Ustatus 0x%x len %u snaplen %u mac %u net %u"
+ "\n%Usec 0x%x nsec 0x%x vlan %U"
+#ifdef TP_STATUS_VLAN_TPID_VALID
+ " vlan_tpid %u"
+#endif
+ ,
+ format_white_space, indent + 2, format_white_space, indent + 4,
+ t->tph.tp_status, t->tph.tp_len, t->tph.tp_snaplen, t->tph.tp_mac,
+ t->tph.tp_net, format_white_space, indent + 4, t->tph.tp_sec,
+ t->tph.tp_nsec, format_ethernet_vlan_tci, t->tph.hv1.tp_vlan_tci
+#ifdef TP_STATUS_VLAN_TPID_VALID
+ ,
+ t->tph.hv1.tp_vlan_tpid
+#endif
+ );
+
+ s = format (s,
+ "\n%Uvnet-hdr:\n%Uflags 0x%02x gso_type 0x%02x hdr_len %u"
+ "\n%Ugso_size %u csum_start %u csum_offset %u",
+ format_white_space, indent + 2, format_white_space, indent + 4,
+ t->vnet_hdr.flags, t->vnet_hdr.gso_type, t->vnet_hdr.hdr_len,
+ format_white_space, indent + 4, t->vnet_hdr.gso_size,
+ t->vnet_hdr.csum_start, t->vnet_hdr.csum_offset);
+
+ s = format (s, "\n%Ubuffer 0x%x:\n%U%U", format_white_space, indent + 2,
+ t->buffer_index, format_white_space, indent + 4,
+ format_vnet_buffer_no_chain, &t->buffer);
+ s = format (s, "\n%U%U", format_white_space, indent + 2,
+ format_ethernet_header_with_length, t->buffer.pre_data,
+ sizeof (t->buffer.pre_data));
return s;
}
+static void
+af_packet_tx_trace (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_buffer_t *b0, u32 bi, tpacket3_hdr_t *tph,
+ vnet_virtio_net_hdr_t *vnet_hdr, u32 hw_if_index,
+ u16 queue_id)
+{
+ af_packet_tx_trace_t *t;
+ t = vlib_add_trace (vm, node, b0, sizeof (t[0]));
+ t->hw_if_index = hw_if_index;
+ t->queue_id = queue_id;
+ t->buffer_index = bi;
+
+ clib_memcpy_fast (&t->tph, tph, sizeof (*tph));
+ clib_memcpy_fast (&t->vnet_hdr, vnet_hdr, sizeof (*vnet_hdr));
+ clib_memcpy_fast (&t->buffer, b0, sizeof (*b0) - sizeof (b0->pre_data));
+ clib_memcpy_fast (t->buffer.pre_data, vlib_buffer_get_current (b0),
+ sizeof (t->buffer.pre_data));
+}
+
static_always_inline void
fill_gso_offload (vlib_buffer_t *b0, vnet_virtio_net_hdr_t *vnet_hdr)
{
vlib_frame_t * frame)
{
af_packet_main_t *apm = &af_packet_main;
+ vnet_hw_if_tx_frame_t *tf = vlib_frame_scalar_args (frame);
u32 *buffers = vlib_frame_vector_args (frame);
u32 n_left = frame->n_vectors;
u32 n_sent = 0;
vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
af_packet_if_t *apif =
pool_elt_at_index (apm->interfaces, rd->dev_instance);
- clib_spinlock_lock_if_init (&apif->lockp);
- u32 block = 0;
- u32 frame_size = apif->tx_req->tp_frame_size;
- u32 frame_num = apif->tx_req->tp_frame_nr;
- u8 *block_start = apif->tx_ring[block];
- u32 tx_frame = apif->next_tx_frame;
- tpacket3_hdr_t *tph;
+ u16 queue_id = tf->queue_id;
+ af_packet_queue_t *tx_queue = vec_elt_at_index (apif->tx_queues, queue_id);
+ u32 block = 0, frame_size = 0, frame_num = 0, tx_frame = 0;
+ u8 *block_start = 0;
+ tpacket3_hdr_t *tph = 0;
u32 frame_not_ready = 0;
u8 is_cksum_gso_enabled = (apif->is_cksum_gso_enabled == 1) ? 1 : 0;
+ if (tf->shared_queue)
+ clib_spinlock_lock (&tx_queue->lockp);
+
+ frame_size = tx_queue->tx_req->tp_frame_size;
+ frame_num = tx_queue->tx_req->tp_frame_nr;
+ block_start = tx_queue->tx_ring[block];
+ tx_frame = tx_queue->next_tx_frame;
+
while (n_left)
{
u32 len;
vnet_virtio_net_hdr_t *vnet_hdr = 0;
u32 offset = 0;
- vlib_buffer_t *b0 = 0;
- u32 bi = buffers[0];
+ vlib_buffer_t *b0 = 0, *b0_first = 0;
+ u32 bi, bi_first;
+ bi = bi_first = buffers[0];
n_left--;
buffers++;
goto next;
}
- b0 = vlib_get_buffer (vm, bi);
+ b0_first = b0 = vlib_get_buffer (vm, bi);
- if (is_cksum_gso_enabled)
+ if (PREDICT_TRUE (is_cksum_gso_enabled))
{
vnet_hdr =
(vnet_virtio_net_hdr_t *) ((u8 *) tph + TPACKET_ALIGN (sizeof (
tph->tp_status = TP_STATUS_SEND_REQUEST;
n_sent++;
+ if (PREDICT_FALSE (b0_first->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ if (PREDICT_TRUE (is_cksum_gso_enabled))
+ af_packet_tx_trace (vm, node, b0_first, bi_first, tph, vnet_hdr,
+ apif->hw_if_index, queue_id);
+ else
+ {
+ vnet_virtio_net_hdr_t vnet_hdr2 = {};
+ af_packet_tx_trace (vm, node, b0_first, bi_first, tph,
+ &vnet_hdr2, apif->hw_if_index, queue_id);
+ }
+ }
tx_frame = (tx_frame + 1) % frame_num;
next:
if (PREDICT_TRUE (n_sent))
{
- apif->next_tx_frame = tx_frame;
+ tx_queue->next_tx_frame = tx_frame;
- if (PREDICT_FALSE (sendto (apif->fd, NULL, 0, MSG_DONTWAIT, NULL, 0) ==
- -1))
+ if (PREDICT_FALSE (
+ sendto (tx_queue->fd, NULL, 0, MSG_DONTWAIT, NULL, 0) == -1))
{
/* Uh-oh, drop & move on, but count whether it was fatal or not.
* Note that we have no reliable way to properly determine the
}
}
- clib_spinlock_unlock_if_init (&apif->lockp);
+ if (tf->shared_queue)
+ clib_spinlock_unlock (&tx_queue->lockp);
if (PREDICT_FALSE (frame_not_ready))
vlib_error_count (vm, node->node_index,
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