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-rw-r--r--vnet/vnet/devices/dpdk/cli.c974
1 files changed, 974 insertions, 0 deletions
diff --git a/vnet/vnet/devices/dpdk/cli.c b/vnet/vnet/devices/dpdk/cli.c
new file mode 100644
index 00000000000..c27dbfabfc0
--- /dev/null
+++ b/vnet/vnet/devices/dpdk/cli.c
@@ -0,0 +1,974 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <vnet/vnet.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/error.h>
+#include <vppinfra/format.h>
+#include <vppinfra/xxhash.h>
+
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/devices/dpdk/dpdk.h>
+#include <vnet/classify/vnet_classify.h>
+#include <vnet/mpls-gre/packet.h>
+
+#include "dpdk_priv.h"
+
+frame_queue_trace_t *frame_queue_traces;
+
+static clib_error_t *
+pcap_trace_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ dpdk_main_t * dm = &dpdk_main;
+ u8 * filename;
+ u32 max;
+ int matched = 0;
+ clib_error_t * error = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "on"))
+ {
+ if (dm->tx_pcap_enable == 0)
+ {
+ if (dm->pcap_filename == 0)
+ dm->pcap_filename = format (0, "/tmp/vpe.pcap%c", 0);
+
+ memset (&dm->pcap_main, 0, sizeof (dm->pcap_main));
+ dm->pcap_main.file_name = (char *) dm->pcap_filename;
+ dm->pcap_main.n_packets_to_capture = 100;
+ if (dm->pcap_pkts_to_capture)
+ dm->pcap_main.n_packets_to_capture = dm->pcap_pkts_to_capture;
+
+ dm->pcap_main.packet_type = PCAP_PACKET_TYPE_ethernet;
+ dm->tx_pcap_enable = 1;
+ matched = 1;
+ vlib_cli_output (vm, "pcap tx capture on...");
+ }
+ else
+ {
+ vlib_cli_output (vm, "pcap tx capture already on...");
+ }
+ matched = 1;
+ }
+ else if (unformat (input, "off"))
+ {
+ if (dm->tx_pcap_enable)
+ {
+ vlib_cli_output (vm, "captured %d pkts...",
+ dm->pcap_main.n_packets_captured+1);
+ if (dm->pcap_main.n_packets_captured)
+ {
+ dm->pcap_main.n_packets_to_capture =
+ dm->pcap_main.n_packets_captured;
+ error = pcap_write (&dm->pcap_main);
+ if (error)
+ clib_error_report (error);
+ else
+ vlib_cli_output (vm, "saved to %s...", dm->pcap_filename);
+ }
+ }
+ else
+ {
+ vlib_cli_output (vm, "pcap tx capture already off...");
+ }
+
+ dm->tx_pcap_enable = 0;
+ matched = 1;
+ }
+ else if (unformat (input, "max %d", &max))
+ {
+ dm->pcap_pkts_to_capture = max;
+ matched = 1;
+ }
+
+ else if (unformat (input, "intfc %U",
+ unformat_vnet_sw_interface, dm->vnet_main,
+ &dm->pcap_sw_if_index))
+ matched = 1;
+ else if (unformat (input, "intfc any"))
+ {
+ dm->pcap_sw_if_index = 0;
+ matched = 1;
+ }
+ else if (unformat (input, "file %s", &filename))
+ {
+ u8 * chroot_filename;
+ /* Brain-police user path input */
+ if (strstr((char *)filename, "..") || index((char *)filename, '/'))
+ {
+ vlib_cli_output (vm, "illegal characters in filename '%s'",
+ filename);
+ continue;
+ }
+
+ chroot_filename = format (0, "/tmp/%s%c", filename, 0);
+ vec_free (filename);
+
+ if (dm->pcap_filename)
+ vec_free (dm->pcap_filename);
+ vec_add1 (filename, 0);
+ dm->pcap_filename = chroot_filename;
+ matched = 1;
+ }
+ else if (unformat (input, "status"))
+ {
+ if (dm->tx_pcap_enable == 0)
+ {
+ vlib_cli_output (vm, "pcap tx capture is off...");
+ continue;
+ }
+
+ vlib_cli_output (vm, "pcap tx capture: %d of %d pkts...",
+ dm->pcap_main.n_packets_captured,
+ dm->pcap_main.n_packets_to_capture);
+ matched = 1;
+ }
+
+ else
+ break;
+ }
+
+ if (matched == 0)
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (pcap_trace_command, static) = {
+ .path = "pcap tx trace",
+ .short_help =
+ "pcap tx trace on off max <nn> intfc <intfc> file <name> status",
+ .function = pcap_trace_command_fn,
+};
+
+
+static clib_error_t *
+show_dpdk_buffer (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ struct rte_mempool * rmp;
+ int i;
+
+ for(i = 0; i < vec_len(vm->buffer_main->pktmbuf_pools); i++)
+ {
+ rmp = vm->buffer_main->pktmbuf_pools[i];
+ if (rmp)
+ {
+ unsigned count = rte_mempool_count(rmp);
+ unsigned free_count = rte_mempool_free_count(rmp);
+
+ vlib_cli_output(vm, "name=\"%s\" available = %7d allocated = %7d total = %7d\n",
+ rmp->name, (u32)count, (u32)free_count,
+ (u32)(count+free_count));
+ }
+ else
+ {
+ vlib_cli_output(vm, "rte_mempool is NULL (!)\n");
+ }
+ }
+ return 0;
+}
+
+VLIB_CLI_COMMAND (cmd_show_dpdk_bufferr,static) = {
+ .path = "show dpdk buffer",
+ .short_help = "show dpdk buffer state",
+ .function = show_dpdk_buffer,
+};
+
+static clib_error_t *
+test_dpdk_buffer (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ static u32 * allocated_buffers;
+ u32 n_alloc = 0;
+ u32 n_free = 0;
+ u32 first, actual_alloc;
+
+ while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "allocate %d", &n_alloc))
+ ;
+ else if (unformat (input, "free %d", &n_free))
+ ;
+ else
+ break;
+ }
+
+ if (n_free)
+ {
+ if (vec_len (allocated_buffers) < n_free)
+ return clib_error_return (0, "Can't free %d, only %d allocated",
+ n_free, vec_len (allocated_buffers));
+
+ first = vec_len(allocated_buffers) - n_free;
+ vlib_buffer_free (vm, allocated_buffers + first, n_free);
+ _vec_len (allocated_buffers) = first;
+ }
+ if (n_alloc)
+ {
+ first = vec_len (allocated_buffers);
+ vec_validate (allocated_buffers,
+ vec_len (allocated_buffers) + n_alloc - 1);
+
+ actual_alloc = vlib_buffer_alloc (vm, allocated_buffers + first,
+ n_alloc);
+ _vec_len (allocated_buffers) = first + actual_alloc;
+
+ if (actual_alloc < n_alloc)
+ vlib_cli_output (vm, "WARNING: only allocated %d buffers",
+ actual_alloc);
+ }
+
+ vlib_cli_output (vm, "Currently %d buffers allocated",
+ vec_len (allocated_buffers));
+
+ if (allocated_buffers && vec_len(allocated_buffers) == 0)
+ vec_free(allocated_buffers);
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (cmd_test_dpdk_bufferr,static) = {
+ .path = "test dpdk buffer",
+ .short_help = "test dpdk buffer [allocate <nn>][free <nn>]",
+ .function = test_dpdk_buffer,
+};
+
+static void
+show_dpdk_device_stats (vlib_main_t * vm, dpdk_device_t * xd)
+{
+ vlib_cli_output(vm,
+ "device_index %d\n"
+ " last_burst_sz %d\n"
+ " max_burst_sz %d\n"
+ " full_frames_cnt %u\n"
+ " consec_full_frames_cnt %u\n"
+ " congestion_cnt %d\n"
+ " last_poll_time %llu\n"
+ " max_poll_delay %llu\n"
+ " discard_cnt %u\n"
+ " total_packet_cnt %u\n",
+ xd->device_index,
+ xd->efd_agent.last_burst_sz,
+ xd->efd_agent.max_burst_sz,
+ xd->efd_agent.full_frames_cnt,
+ xd->efd_agent.consec_full_frames_cnt,
+ xd->efd_agent.congestion_cnt,
+ xd->efd_agent.last_poll_time,
+ xd->efd_agent.max_poll_delay,
+ xd->efd_agent.discard_cnt,
+ xd->efd_agent.total_packet_cnt);
+
+ u32 device_queue_sz = rte_eth_rx_queue_count(xd->device_index,
+ 0 /* queue_id */);
+ vlib_cli_output(vm,
+ " device_queue_sz %u\n",
+ device_queue_sz);
+}
+
+
+/*
+ * Trigger threads to grab frame queue trace data
+ */
+static clib_error_t *
+trace_frame_queue (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ clib_error_t * error = NULL;
+ frame_queue_trace_t *fqt;
+ u32 num_fq;
+ u32 fqix;
+ u32 enable = 0;
+
+ if (unformat(input, "on")) {
+ enable = 1;
+ } else if (unformat(input, "off")) {
+ enable = 0;
+ } else {
+ return clib_error_return(0, "expecting on or off");
+ }
+
+ num_fq = vec_len(vlib_frame_queues);
+ if (num_fq == 0)
+ {
+ vlib_cli_output(vm, "No frame queues exist\n");
+ return error;
+ }
+
+ // Allocate storage for trace if necessary
+ vec_validate_aligned(frame_queue_traces, num_fq-1, CLIB_CACHE_LINE_BYTES);
+
+ for (fqix=0; fqix<num_fq; fqix++) {
+ fqt = &frame_queue_traces[fqix];
+
+ memset(fqt->n_vectors, 0xff, sizeof(fqt->n_vectors));
+ fqt->written = 0;
+ vlib_frame_queues[fqix]->trace = enable;
+ }
+ return error;
+}
+
+VLIB_CLI_COMMAND (cmd_trace_frame_queue,static) = {
+ .path = "trace frame-queue",
+ .short_help = "trace frame-queue (on|off)",
+ .function = trace_frame_queue,
+};
+
+
+/*
+ * Display frame queue trace data gathered by threads.
+ */
+static clib_error_t *
+show_frame_queue (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ clib_error_t * error = NULL;
+ frame_queue_trace_t *fqt;
+ u32 num_fq;
+ u32 fqix;
+
+ num_fq = vec_len(frame_queue_traces);
+ if (num_fq == 0)
+ {
+ vlib_cli_output(vm, "No trace data for frame queues\n");
+ return error;
+ }
+
+ for (fqix=0; fqix<num_fq; fqix++) {
+ fqt = &frame_queue_traces[fqix];
+
+ vlib_cli_output(vm, "Thread %d %v\n", fqix, vlib_worker_threads[fqix].name);
+
+ if (fqt->written == 0)
+ {
+ vlib_cli_output(vm, " no trace data\n");
+ continue;
+ }
+
+ vlib_cli_output(vm, " vector-threshold %d ring size %d in use %d\n",
+ fqt->threshold, fqt->nelts, fqt->n_in_use);
+ vlib_cli_output(vm, " head %12d head_hint %12d tail %12d\n",
+ fqt->head, fqt->head_hint, fqt->tail);
+ vlib_cli_output(vm, " %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d\n",
+ fqt->n_vectors[0], fqt->n_vectors[1], fqt->n_vectors[2], fqt->n_vectors[3],
+ fqt->n_vectors[4], fqt->n_vectors[5], fqt->n_vectors[6], fqt->n_vectors[7],
+ fqt->n_vectors[8], fqt->n_vectors[9], fqt->n_vectors[10], fqt->n_vectors[11],
+ fqt->n_vectors[12], fqt->n_vectors[13], fqt->n_vectors[14], fqt->n_vectors[15]);
+
+ if (fqt->nelts > 16)
+ {
+ vlib_cli_output(vm, " %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d %3d\n",
+ fqt->n_vectors[16], fqt->n_vectors[17], fqt->n_vectors[18], fqt->n_vectors[19],
+ fqt->n_vectors[20], fqt->n_vectors[21], fqt->n_vectors[22], fqt->n_vectors[23],
+ fqt->n_vectors[24], fqt->n_vectors[25], fqt->n_vectors[26], fqt->n_vectors[27],
+ fqt->n_vectors[28], fqt->n_vectors[29], fqt->n_vectors[30], fqt->n_vectors[31]);
+ }
+ }
+ return error;
+}
+
+VLIB_CLI_COMMAND (cmd_show_frame_queue,static) = {
+ .path = "show frame-queue",
+ .short_help = "show frame-queue trace",
+ .function = show_frame_queue,
+};
+
+
+/*
+ * Modify the number of elements on the frame_queues
+ */
+static clib_error_t *
+test_frame_queue_nelts (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ clib_error_t * error = NULL;
+ u32 num_fq;
+ u32 fqix;
+ u32 nelts = 0;
+
+ unformat(input, "%d", &nelts);
+ if ((nelts != 4) && (nelts != 8) && (nelts != 16) && (nelts != 32)) {
+ return clib_error_return(0, "expecting 4,8,16,32");
+ }
+
+ num_fq = vec_len(vlib_frame_queues);
+ if (num_fq == 0)
+ {
+ vlib_cli_output(vm, "No frame queues exist\n");
+ return error;
+ }
+
+ for (fqix=0; fqix<num_fq; fqix++) {
+ vlib_frame_queues[fqix]->nelts = nelts;
+ }
+
+ return error;
+}
+
+VLIB_CLI_COMMAND (cmd_test_frame_queue_nelts,static) = {
+ .path = "test frame-queue nelts",
+ .short_help = "test frame-queue nelts (4,8,16,32)",
+ .function = test_frame_queue_nelts,
+};
+
+
+/*
+ * Modify the max number of packets pulled off the frame queues
+ */
+static clib_error_t *
+test_frame_queue_threshold (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ clib_error_t * error = NULL;
+ u32 num_fq;
+ u32 fqix;
+ u32 threshold = 0;
+
+ if (unformat(input, "%d", &threshold)) {
+ } else {
+ vlib_cli_output(vm, "expecting threshold value\n");
+ return error;
+ }
+
+ if (threshold == 0)
+ threshold = ~0;
+
+ num_fq = vec_len(vlib_frame_queues);
+ if (num_fq == 0)
+ {
+ vlib_cli_output(vm, "No frame queues exist\n");
+ return error;
+ }
+
+ for (fqix=0; fqix<num_fq; fqix++) {
+ vlib_frame_queues[fqix]->vector_threshold = threshold;
+ }
+
+ return error;
+}
+
+VLIB_CLI_COMMAND (cmd_test_frame_queue_threshold,static) = {
+ .path = "test frame-queue threshold",
+ .short_help = "test frame-queue threshold N (0=no limit)",
+ .function = test_frame_queue_threshold,
+};
+
+static void
+show_efd_config (vlib_main_t * vm)
+{
+ vlib_thread_main_t * tm = vlib_get_thread_main();
+ dpdk_main_t * dm = &dpdk_main;
+
+ vlib_cli_output(vm,
+ "dpdk: (0x%04x) enabled:%d monitor:%d drop_all:%d\n"
+ " dpdk_queue_hi_thresh %d\n"
+ " consec_full_frames_hi_thresh %d\n"
+ "---------\n"
+ "worker: (0x%04x) enabled:%d monitor:%d\n"
+ " worker_queue_hi_thresh %d\n",
+ dm->efd.enabled,
+ ((dm->efd.enabled & DPDK_EFD_DISCARD_ENABLED) ? 1:0),
+ ((dm->efd.enabled & DPDK_EFD_MONITOR_ENABLED) ? 1:0),
+ ((dm->efd.enabled & DPDK_EFD_DROPALL_ENABLED) ? 1:0),
+ dm->efd.queue_hi_thresh,
+ dm->efd.consec_full_frames_hi_thresh,
+ tm->efd.enabled,
+ ((tm->efd.enabled & VLIB_EFD_DISCARD_ENABLED) ? 1:0),
+ ((dm->efd.enabled & VLIB_EFD_MONITOR_ENABLED) ? 1:0),
+ tm->efd.queue_hi_thresh);
+ vlib_cli_output(vm,
+ "---------\n"
+ "ip_prec_bitmap 0x%02x\n"
+ "mpls_exp_bitmap 0x%02x\n"
+ "vlan_cos_bitmap 0x%02x\n",
+ tm->efd.ip_prec_bitmap,
+ tm->efd.mpls_exp_bitmap,
+ tm->efd.vlan_cos_bitmap);
+}
+
+static clib_error_t *
+show_efd (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+
+ if (unformat(input, "config")) {
+ show_efd_config(vm);
+ } else if (unformat(input, "dpdk")) {
+ dpdk_main_t * dm = &dpdk_main;
+ dpdk_device_t * xd;
+ u32 device_id = ~0;
+
+ unformat(input, "device %d", &device_id);
+ vec_foreach (xd, dm->devices) {
+ if ((xd->device_index == device_id) || (device_id == ~0)) {
+ show_dpdk_device_stats(vm, xd);
+ }
+ }
+ } else if (unformat(input, "worker")) {
+ vlib_thread_main_t * tm = vlib_get_thread_main();
+ vlib_frame_queue_t *fq;
+ vlib_thread_registration_t * tr;
+ int thread_id;
+ u32 num_workers = 0;
+ u32 first_worker_index = 0;
+ uword * p;
+
+ p = hash_get_mem (tm->thread_registrations_by_name, "workers");
+ ASSERT (p);
+ tr = (vlib_thread_registration_t *) p[0];
+ if (tr)
+ {
+ num_workers = tr->count;
+ first_worker_index = tr->first_index;
+ }
+
+ vlib_cli_output(vm,
+ "num_workers %d\n"
+ "first_worker_index %d\n"
+ "vlib_frame_queues[%d]:\n",
+ num_workers,
+ first_worker_index,
+ tm->n_vlib_mains);
+
+ for (thread_id = 0; thread_id < tm->n_vlib_mains; thread_id++) {
+ fq = vlib_frame_queues[thread_id];
+ if (fq) {
+ vlib_cli_output(vm,
+ "%2d: frames_queued %u\n"
+ " frames_queued_hint %u\n"
+ " enqueue_full_events %u\n"
+ " enqueue_efd_discards %u\n",
+ thread_id,
+ (fq->tail - fq->head),
+ (fq->tail - fq->head_hint),
+ fq->enqueue_full_events,
+ fq->enqueue_efd_discards);
+ }
+ }
+ } else if (unformat(input, "help")) {
+ vlib_cli_output(vm, "Usage: show efd config | "
+ "dpdk [device <id>] | worker\n");
+ } else {
+ show_efd_config(vm);
+ }
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (show_efd_command, static) = {
+ .path = "show efd",
+ .short_help = "Show efd [device <id>] | [config]",
+ .function = show_efd,
+};
+
+static clib_error_t *
+clear_efd (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ dpdk_main_t * dm = &dpdk_main;
+ dpdk_device_t * xd;
+ vlib_thread_main_t * tm = vlib_get_thread_main();
+ vlib_frame_queue_t *fq;
+ int thread_id;
+
+ vec_foreach (xd, dm->devices) {
+ xd->efd_agent.last_burst_sz = 0;
+ xd->efd_agent.max_burst_sz = 0;
+ xd->efd_agent.full_frames_cnt = 0;
+ xd->efd_agent.consec_full_frames_cnt = 0;
+ xd->efd_agent.congestion_cnt = 0;
+ xd->efd_agent.last_poll_time = 0;
+ xd->efd_agent.max_poll_delay = 0;
+ xd->efd_agent.discard_cnt = 0;
+ xd->efd_agent.total_packet_cnt = 0;
+ }
+
+ for (thread_id = 0; thread_id < tm->n_vlib_mains; thread_id++) {
+ fq = vlib_frame_queues[thread_id];
+ if (fq) {
+ fq->enqueue_full_events = 0;
+ fq->enqueue_efd_discards = 0;
+ }
+ }
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (clear_efd_command,static) = {
+ .path = "clear efd",
+ .short_help = "Clear early-fast-discard counters",
+ .function = clear_efd,
+};
+
+static clib_error_t *
+parse_op_and_prec (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd,
+ char *prec_type, u8 *prec_bitmap)
+{
+ clib_error_t * error = NULL;
+ u8 op = 0;
+ u8 prec = 0;
+
+ if (unformat(input, "ge")) {
+ op = EFD_OPERATION_GREATER_OR_EQUAL;
+ } else if (unformat(input, "lt")) {
+ op = EFD_OPERATION_LESS_THAN;
+ } else if (unformat(input, "help")) {
+ vlib_cli_output(vm,
+ "enter operation [ge | lt] and precedence <0-7>)");
+ return (error);
+ } else {
+ return clib_error_return(0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ if (unformat (input, "%u", &prec)) {
+ if (prec > 7) {
+ return clib_error_return(0, "precedence %d is out of range <0-7>",
+ prec);
+ }
+ } else {
+ return clib_error_return(0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ set_efd_bitmap(prec_bitmap, prec, op);
+
+ vlib_cli_output(vm,
+ "EFD will be set for %s precedence %s%u%s.",
+ prec_type,
+ (op == EFD_OPERATION_LESS_THAN) ? "less than " : "",
+ prec,
+ (op == EFD_OPERATION_GREATER_OR_EQUAL) ? " and greater" : "");
+
+ return (error);
+}
+
+
+static clib_error_t *
+set_efd (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ dpdk_main_t * dm = &dpdk_main;
+ vlib_thread_main_t * tm = vlib_get_thread_main();
+ clib_error_t * error = NULL;
+
+ if (unformat(input, "enable")) {
+ if (unformat(input, "dpdk")) {
+ dm->efd.enabled |= DPDK_EFD_DISCARD_ENABLED;
+ } else if (unformat(input, "worker")) {
+ tm->efd.enabled |= VLIB_EFD_DISCARD_ENABLED;
+ } else if (unformat(input, "monitor")) {
+ dm->efd.enabled |= DPDK_EFD_MONITOR_ENABLED;
+ tm->efd.enabled |= VLIB_EFD_MONITOR_ENABLED;
+ } else if (unformat(input, "drop_all")) {
+ dm->efd.enabled |= DPDK_EFD_DROPALL_ENABLED;
+ } else if (unformat(input, "default")) {
+ dm->efd.enabled = (DPDK_EFD_DISCARD_ENABLED |
+ DPDK_EFD_MONITOR_ENABLED);
+ tm->efd.enabled = (VLIB_EFD_DISCARD_ENABLED |
+ VLIB_EFD_MONITOR_ENABLED);
+ } else {
+ return clib_error_return(0, "Usage: set efd enable [dpdk | "
+ "worker | monitor | drop_all | default]");
+ }
+ } else if (unformat(input, "disable")) {
+ if (unformat(input, "dpdk")) {
+ dm->efd.enabled &= ~DPDK_EFD_DISCARD_ENABLED;
+ } else if (unformat(input, "worker")) {
+ tm->efd.enabled &= ~VLIB_EFD_DISCARD_ENABLED;
+ } else if (unformat(input, "monitor")) {
+ dm->efd.enabled &= ~DPDK_EFD_MONITOR_ENABLED;
+ tm->efd.enabled &= ~VLIB_EFD_MONITOR_ENABLED;
+ } else if (unformat(input, "drop_all")) {
+ dm->efd.enabled &= ~DPDK_EFD_DROPALL_ENABLED;
+ } else if (unformat(input, "all")) {
+ dm->efd.enabled = 0;
+ tm->efd.enabled = 0;
+ } else {
+ return clib_error_return(0, "Usage: set efd disable [dpdk | "
+ "worker | monitor | drop_all | all]");
+ }
+ } else if (unformat(input, "worker_queue_hi_thresh")) {
+ u32 mark;
+ if (unformat (input, "%u", &mark)) {
+ tm->efd.queue_hi_thresh = mark;
+ } else {
+ return clib_error_return(0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+ } else if (unformat(input, "dpdk_device_hi_thresh")) {
+ u32 thresh;
+ if (unformat (input, "%u", &thresh)) {
+ dm->efd.queue_hi_thresh = thresh;
+ } else {
+ return clib_error_return(0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+ } else if (unformat(input, "consec_full_frames_hi_thresh")) {
+ u32 thresh;
+ if (unformat (input, "%u", &thresh)) {
+ dm->efd.consec_full_frames_hi_thresh = thresh;
+ } else {
+ return clib_error_return(0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+ } else if (unformat(input, "ip-prec")) {
+ return (parse_op_and_prec(vm, input, cmd,
+ "ip", &tm->efd.ip_prec_bitmap));
+ } else if (unformat(input, "mpls-exp")) {
+ return (parse_op_and_prec(vm, input, cmd,
+ "mpls", &tm->efd.mpls_exp_bitmap));
+ } else if (unformat(input, "vlan-cos")) {
+ return (parse_op_and_prec(vm, input, cmd,
+ "vlan", &tm->efd.vlan_cos_bitmap));
+ } else if (unformat(input, "help")) {
+ vlib_cli_output(vm,
+ "Usage:\n"
+ " set efd enable <dpdk | worker | monitor | drop_all | default> |\n"
+ " set efd disable <dpdk | worker | monitor | drop_all | all> |\n"
+ " set efd <ip-prec | mpls-exp | vlan-cos> <ge | lt> <0-7>\n"
+ " set efd worker_queue_hi_thresh <0-32> |\n"
+ " set efd dpdk_device_hi_thresh <0-%d> |\n"
+ " set efd consec_full_frames_hi_thresh <count> |\n",
+ DPDK_NB_RX_DESC_10GE);
+ } else {
+ return clib_error_return(0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ return error;
+}
+
+VLIB_CLI_COMMAND (cmd_set_efd,static) = {
+ .path = "set efd",
+ .short_help = "set early-fast-discard commands",
+ .function = set_efd,
+};
+
+static clib_error_t *
+set_dpdk_if_desc (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ unformat_input_t _line_input, * line_input = &_line_input;
+ dpdk_main_t * dm = &dpdk_main;
+ vnet_hw_interface_t * hw;
+ dpdk_device_t * xd;
+ u32 hw_if_index = (u32) ~0;
+ u32 nb_rx_desc = (u32) ~0;
+ u32 nb_tx_desc = (u32) ~0;
+ clib_error_t * rv;
+
+ if (! unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (line_input, "%U", unformat_vnet_hw_interface, dm->vnet_main,
+ &hw_if_index))
+ ;
+ else if (unformat (line_input, "tx %d", &nb_tx_desc))
+ ;
+ else if (unformat (line_input, "rx %d", &nb_rx_desc))
+ ;
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ unformat_free (line_input);
+
+ if (hw_if_index == (u32) ~0)
+ return clib_error_return (0, "please specify valid interface name");
+
+ hw = vnet_get_hw_interface (dm->vnet_main, hw_if_index);
+ xd = vec_elt_at_index (dm->devices, hw->dev_instance);
+
+ if (xd->dev_type != VNET_DPDK_DEV_ETH)
+ return clib_error_return (0, "number of descriptors can be set only for "
+ "physical devices");
+
+ if ((nb_rx_desc == (u32) ~0 || nb_rx_desc == xd->nb_rx_desc) &&
+ (nb_tx_desc == (u32) ~0 || nb_tx_desc == xd->nb_tx_desc))
+ return clib_error_return (0, "nothing changed");
+
+ if (nb_rx_desc != (u32) ~0)
+ xd->nb_rx_desc = nb_rx_desc;
+
+ if (nb_tx_desc != (u32) ~0)
+ xd->nb_rx_desc = nb_rx_desc;
+
+ rv = dpdk_port_setup(dm, xd);
+
+ return rv < 0 ? rv : 0;
+}
+
+VLIB_CLI_COMMAND (cmd_set_dpdk_if_desc,static) = {
+ .path = "set dpdk interface descriptors",
+ .short_help = "set dpdk interface descriptors <if-name> [rx <n>] [tx <n>]",
+ .function = set_dpdk_if_desc,
+};
+
+static clib_error_t *
+show_dpdk_if_placement (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ vlib_thread_main_t * tm = vlib_get_thread_main();
+ dpdk_main_t * dm = &dpdk_main;
+ dpdk_device_and_queue_t * dq;
+ int cpu;
+
+ if (tm->n_vlib_mains == 1)
+ vlib_cli_output(vm, "All interfaces are handled by main thread");
+
+ for(cpu = 0; cpu < vec_len(dm->devices_by_cpu); cpu++)
+ {
+ if (vec_len(dm->devices_by_cpu[cpu]))
+ vlib_cli_output(vm, "Thread %u (%s at lcore %u):", cpu,
+ vlib_worker_threads[cpu].name,
+ vlib_worker_threads[cpu].dpdk_lcore_id);
+
+ vec_foreach(dq, dm->devices_by_cpu[cpu])
+ {
+ u32 hw_if_index = dm->devices[dq->device].vlib_hw_if_index;
+ vnet_hw_interface_t * hi = vnet_get_hw_interface(dm->vnet_main, hw_if_index);
+ vlib_cli_output(vm, " %v queue %u", hi->name, dq->queue_id);
+ }
+ }
+ return 0;
+}
+
+VLIB_CLI_COMMAND (cmd_show_dpdk_if_placement,static) = {
+ .path = "show dpdk interface placement",
+ .short_help = "show dpdk interface placement",
+ .function = show_dpdk_if_placement,
+};
+
+static int
+dpdk_device_queue_sort(void * a1, void * a2)
+{
+ dpdk_device_and_queue_t * dq1 = a1;
+ dpdk_device_and_queue_t * dq2 = a2;
+
+ if (dq1->device > dq2->device)
+ return 1;
+ else if (dq1->device < dq2->device)
+ return -1;
+ else if (dq1->queue_id > dq2->queue_id)
+ return 1;
+ else if (dq1->queue_id < dq2->queue_id)
+ return -1;
+ else
+ return 0;
+}
+
+static clib_error_t *
+set_dpdk_if_placement (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ unformat_input_t _line_input, * line_input = &_line_input;
+ dpdk_main_t * dm = &dpdk_main;
+ dpdk_device_and_queue_t * dq;
+ vnet_hw_interface_t * hw;
+ dpdk_device_t * xd;
+ u32 hw_if_index = (u32) ~0;
+ u32 queue = (u32) 0;
+ u32 cpu = (u32) ~0;
+ int i;
+
+ if (! unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
+ if (unformat (line_input, "%U", unformat_vnet_hw_interface, dm->vnet_main,
+ &hw_if_index))
+ ;
+ else if (unformat (line_input, "queue %d", &queue))
+ ;
+ else if (unformat (line_input, "thread %d", &cpu))
+ ;
+ else
+ return clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ }
+
+ unformat_free (line_input);
+
+ if (hw_if_index == (u32) ~0)
+ return clib_error_return (0, "please specify valid interface name");
+
+ if (cpu < dm->input_cpu_first_index ||
+ cpu >= (dm->input_cpu_first_index + dm->input_cpu_count))
+ return clib_error_return (0, "please specify valid thread id");
+
+ hw = vnet_get_hw_interface (dm->vnet_main, hw_if_index);
+ xd = vec_elt_at_index (dm->devices, hw->dev_instance);
+
+ for(i = 0; i < vec_len(dm->devices_by_cpu); i++)
+ {
+ vec_foreach(dq, dm->devices_by_cpu[i])
+ {
+ if (hw_if_index == dm->devices[dq->device].vlib_hw_if_index &&
+ queue == dq->queue_id)
+ {
+ if (cpu == i) /* nothing to do */
+ return 0;
+
+ vec_del1(dm->devices_by_cpu[i], dq - dm->devices_by_cpu[i]);
+ vec_add2(dm->devices_by_cpu[cpu], dq, 1);
+ dq->queue_id = queue;
+ dq->device = xd->device_index;
+ xd->cpu_socket_id_by_queue[queue] =
+ rte_lcore_to_socket_id(vlib_worker_threads[cpu].dpdk_lcore_id);
+
+ vec_sort_with_function(dm->devices_by_cpu[i],
+ dpdk_device_queue_sort);
+
+ vec_sort_with_function(dm->devices_by_cpu[cpu],
+ dpdk_device_queue_sort);
+
+ if (vec_len(dm->devices_by_cpu[i]) == 0)
+ vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
+ VLIB_NODE_STATE_DISABLED);
+
+ if (vec_len(dm->devices_by_cpu[cpu]) == 1)
+ vlib_node_set_state (vlib_mains[cpu], dpdk_input_node.index,
+ VLIB_NODE_STATE_POLLING);
+
+ return 0;
+ }
+ }
+ }
+
+ return clib_error_return (0, "not found");
+}
+
+VLIB_CLI_COMMAND (cmd_set_dpdk_if_placement,static) = {
+ .path = "set dpdk interface placement",
+ .short_help = "set dpdk interface placement <if-name> [queue <n>] thread <n>",
+ .function = set_dpdk_if_placement,
+};
+
+clib_error_t *
+dpdk_cli_init (vlib_main_t * vm)
+{
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (dpdk_cli_init);