#include <dpdk/device/dpdk_priv.h>
-#ifndef CLIB_MULTIARCH_VARIANT
static char *dpdk_error_strings[] = {
#define _(n,s) s,
foreach_dpdk_error
#undef _
};
-#endif
STATIC_ASSERT (VNET_DEVICE_INPUT_NEXT_IP4_INPUT - 1 ==
VNET_DEVICE_INPUT_NEXT_IP4_NCS_INPUT,
};
/* currently we are just copying bit positions from DPDK, but that
- might change in future, in case we strart to be interested in something
- stored in upper bytes. Curently we store only lower byte for perf reasons */
+ might change in future, in case we start to be interested in something
+ stored in upper bytes. Currently we store only lower byte for perf reasons */
STATIC_ASSERT (1 << DPDK_RX_F_CKSUM_GOOD == PKT_RX_IP_CKSUM_GOOD, "");
STATIC_ASSERT (1 << DPDK_RX_F_CKSUM_BAD == PKT_RX_IP_CKSUM_BAD, "");
STATIC_ASSERT (1 << DPDK_RX_F_FDIR == PKT_RX_FDIR, "");
CLIB_PREFETCH (b->data, CLIB_CACHE_LINE_BYTES, LOAD);
}
-static inline void
-poll_rate_limit (dpdk_main_t * dm)
-{
- /* Limit the poll rate by sleeping for N msec between polls */
- if (PREDICT_FALSE (dm->poll_sleep_usec != 0))
- {
- struct timespec ts, tsrem;
-
- ts.tv_sec = 0;
- ts.tv_nsec = 1000 * dm->poll_sleep_usec;
-
- while (nanosleep (&ts, &tsrem) < 0)
- {
- ts = tsrem;
- }
- }
-}
-
/** \brief Main DPDK input node
@node dpdk-input
while (n_left)
{
b[0] = vlib_buffer_from_rte_mbuf (mb[0]);
- clib_memcpy (b[0], &ptd->buffer_template, 64);
+ clib_memcpy_fast (b[0], &ptd->buffer_template, 64);
or_flags |= dpdk_ol_flags_extract (mb, flags, 1);
flags += 1;
if ((ptd->flags[n] & (1 << DPDK_RX_F_FDIR)) == 0)
continue;
- fle = vec_elt_at_index (xd->flow_lookup_entries,
- ptd->mbufs[n]->hash.fdir.hi);
+ fle = pool_elt_at_index (xd->flow_lookup_entries,
+ ptd->mbufs[n]->hash.fdir.hi);
if (fle->next_index != (u16) ~ 0)
ptd->next[n] = fle->next_index;
/* get up to DPDK_RX_BURST_SZ buffers from PMD */
while (n_rx_packets < DPDK_RX_BURST_SZ)
{
- n = rte_eth_rx_burst (xd->device_index, queue_id,
+ n = rte_eth_rx_burst (xd->port_id, queue_id,
ptd->mbufs + n_rx_packets,
DPDK_RX_BURST_SZ - n_rx_packets);
n_rx_packets += n;
next_index = xd->per_interface_next_index;
}
- /* as all packets belong to thr same interface feature arc lookup
+ /* as all packets belong to the same interface feature arc lookup
can be don once and result stored in the buffer template */
if (PREDICT_FALSE (vnet_device_input_have_features (xd->sw_if_index)))
{
else
dpdk_set_next_from_etype (vm, node, ptd, n_rx_packets);
- /* flow offload - process if rx flow offlaod enabled and at least one packet
+ /* flow offload - process if rx flow offload enabled and at least one packet
is marked */
if (PREDICT_FALSE ((xd->flags & DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD) &&
(or_flags & (1 << DPDK_RX_F_FDIR))))
n_rx_packets);
/* packet trace if enabled */
- if ((n_trace = vlib_get_trace_count (vm, node)))
+ if (PREDICT_FALSE ((n_trace = vlib_get_trace_count (vm, node))))
{
n_left = n_rx_packets;
buffers = ptd->buffers;
t0->device_index = xd->device_index;
t0->buffer_index = vlib_get_buffer_index (vm, b0);
- clib_memcpy (&t0->mb, mb[0], sizeof t0->mb);
- clib_memcpy (&t0->buffer, b0, sizeof b0[0] - sizeof b0->pre_data);
- clib_memcpy (t0->buffer.pre_data, b0->data,
- sizeof t0->buffer.pre_data);
- clib_memcpy (&t0->data, mb[0]->buf_addr + mb[0]->data_off,
- sizeof t0->data);
+ clib_memcpy_fast (&t0->mb, mb[0], sizeof t0->mb);
+ clib_memcpy_fast (&t0->buffer, b0,
+ sizeof b0[0] - sizeof b0->pre_data);
+ clib_memcpy_fast (t0->buffer.pre_data, b0->data,
+ sizeof t0->buffer.pre_data);
+ clib_memcpy_fast (&t0->data, mb[0]->buf_addr + mb[0]->data_off,
+ sizeof t0->data);
n_trace--;
n_left--;
buffers++;
vlib_set_trace_count (vm, node, n_trace);
}
+ /* rx pcap capture if enabled */
+ if (PREDICT_FALSE (dm->pcap[VLIB_RX].pcap_enable))
+ {
+ u32 bi0;
+ n_left = n_rx_packets;
+ buffers = ptd->buffers;
+ while (n_left)
+ {
+ bi0 = buffers[0];
+ b0 = vlib_get_buffer (vm, bi0);
+ buffers++;
+
+ if (dm->pcap[VLIB_RX].pcap_sw_if_index == 0 ||
+ dm->pcap[VLIB_RX].pcap_sw_if_index
+ == vnet_buffer (b0)->sw_if_index[VLIB_RX])
+ {
+ struct rte_mbuf *mb;
+ i16 data_start;
+ i32 temp_advance;
+
+ /*
+ * Note: current_data will have advanced
+ * when we skip ethernet input.
+ * Temporarily back up to the original DMA
+ * target, so we capture a valid ethernet frame
+ */
+ mb = rte_mbuf_from_vlib_buffer (b0);
+
+ /* Figure out the original data_start */
+ data_start = (mb->buf_addr + mb->data_off) - (void *) b0->data;
+ /* Back up that far */
+ temp_advance = b0->current_data - data_start;
+ vlib_buffer_advance (b0, -temp_advance);
+ /* Trace the packet */
+ pcap_add_buffer (&dm->pcap[VLIB_RX].pcap_main, vm, bi0, 512);
+ /* and advance again */
+ vlib_buffer_advance (b0, temp_advance);
+ }
+ n_left--;
+ }
+ }
+
vlib_increment_combined_counter
(vnet_get_main ()->interface_main.combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_RX, thread_index, xd->sw_if_index,
return n_rx_packets;
}
-uword CLIB_CPU_OPTIMIZED
-CLIB_MULTIARCH_FN (dpdk_input) (vlib_main_t * vm, vlib_node_runtime_t * node,
+VLIB_NODE_FN (dpdk_input_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * f)
{
dpdk_main_t *dm = &dpdk_main;
dq->queue_id);
}
/* *INDENT-ON* */
-
- poll_rate_limit (dm);
-
return n_rx_packets;
}
-#ifndef CLIB_MULTIARCH_VARIANT
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (dpdk_input_node) = {
- .function = dpdk_input,
.type = VLIB_NODE_TYPE_INPUT,
.name = "dpdk-input",
.sibling_of = "device-input",
};
/* *INDENT-ON* */
-vlib_node_function_t __clib_weak dpdk_input_avx512;
-vlib_node_function_t __clib_weak dpdk_input_avx2;
-
-#if __x86_64__
-static void __clib_constructor
-dpdk_input_multiarch_select (void)
-{
- if (dpdk_input_avx512 && clib_cpu_supports_avx512f ())
- dpdk_input_node.function = dpdk_input_avx512;
- else if (dpdk_input_avx2 && clib_cpu_supports_avx2 ())
- dpdk_input_node.function = dpdk_input_avx2;
-}
-#endif
-#endif
-
/*
* fd.io coding-style-patch-verification: ON
*