1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
3 */
4
5 #include <stdio.h>
6 #include <string.h>
7 #include <stdint.h>
8 #include <sys/epoll.h>
9 #include <fcntl.h>
10 #include <unistd.h>
11 #include <stdlib.h>
12 #include <signal.h>
13 #include <errno.h>
14
15 #include <sys/queue.h>
16
17 #include <rte_common.h>
18 #include <rte_eal.h>
19 #include <rte_launch.h>
20 #include <rte_log.h>
21 #include <rte_per_lcore.h>
22 #include <rte_lcore.h>
23 #include <rte_ethdev.h>
24 #include <getopt.h>
25 #include <rte_cycles.h>
26 #include <rte_debug.h>
27
28 #include "channel_manager.h"
29 #include "channel_monitor.h"
30 #include "power_manager.h"
31 #include "vm_power_cli.h"
32 #include "oob_monitor.h"
33 #include "parse.h"
34 #ifdef RTE_NET_IXGBE
35 #include <rte_pmd_ixgbe.h>
36 #endif
37 #ifdef RTE_NET_I40E
38 #include <rte_pmd_i40e.h>
39 #endif
40 #ifdef RTE_NET_BNXT
41 #include <rte_pmd_bnxt.h>
42 #endif
43
44 #define RX_RING_SIZE 1024
45 #define TX_RING_SIZE 1024
46
47 #define NUM_MBUFS 8191
48 #define MBUF_CACHE_SIZE 250
49 #define BURST_SIZE 32
50
51 static uint32_t enabled_port_mask;
52 static volatile bool force_quit;
53
54 /****************/
55 static const struct rte_eth_conf port_conf_default = {
56 .rxmode = {
57 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
58 },
59 };
60
61 static inline int
port_init(uint16_t port,struct rte_mempool * mbuf_pool)62 port_init(uint16_t port, struct rte_mempool *mbuf_pool)
63 {
64 struct rte_eth_conf port_conf = port_conf_default;
65 const uint16_t rx_rings = 1, tx_rings = 1;
66 int retval;
67 uint16_t q;
68 struct rte_eth_dev_info dev_info;
69 struct rte_eth_txconf txq_conf;
70
71 if (!rte_eth_dev_is_valid_port(port))
72 return -1;
73
74 retval = rte_eth_dev_info_get(port, &dev_info);
75 if (retval != 0) {
76 printf("Error during getting device (port %u) info: %s\n",
77 port, strerror(-retval));
78 return retval;
79 }
80
81 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
82 port_conf.txmode.offloads |=
83 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
84
85 /* Configure the Ethernet device. */
86 retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
87 if (retval != 0)
88 return retval;
89
90 /* Allocate and set up 1 RX queue per Ethernet port. */
91 for (q = 0; q < rx_rings; q++) {
92 retval = rte_eth_rx_queue_setup(port, q, RX_RING_SIZE,
93 rte_eth_dev_socket_id(port), NULL, mbuf_pool);
94 if (retval < 0)
95 return retval;
96 }
97
98 txq_conf = dev_info.default_txconf;
99 txq_conf.offloads = port_conf.txmode.offloads;
100 /* Allocate and set up 1 TX queue per Ethernet port. */
101 for (q = 0; q < tx_rings; q++) {
102 retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE,
103 rte_eth_dev_socket_id(port), &txq_conf);
104 if (retval < 0)
105 return retval;
106 }
107
108 /* Start the Ethernet port. */
109 retval = rte_eth_dev_start(port);
110 if (retval < 0)
111 return retval;
112
113 /* Display the port MAC address. */
114 struct rte_ether_addr addr;
115 retval = rte_eth_macaddr_get(port, &addr);
116 if (retval != 0) {
117 printf("Failed to get device (port %u) MAC address: %s\n",
118 port, rte_strerror(-retval));
119 return retval;
120 }
121
122 printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
123 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
124 (unsigned int)port,
125 addr.addr_bytes[0], addr.addr_bytes[1],
126 addr.addr_bytes[2], addr.addr_bytes[3],
127 addr.addr_bytes[4], addr.addr_bytes[5]);
128
129 /* Enable RX in promiscuous mode for the Ethernet device. */
130 retval = rte_eth_promiscuous_enable(port);
131 if (retval != 0)
132 return retval;
133
134
135 return 0;
136 }
137
138 static int
parse_portmask(const char * portmask)139 parse_portmask(const char *portmask)
140 {
141 char *end = NULL;
142 unsigned long pm;
143
144 /* parse hexadecimal string */
145 pm = strtoul(portmask, &end, 16);
146 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
147 return 0;
148
149 return pm;
150 }
151 /* Parse the argument given in the command line of the application */
152 static int
parse_args(int argc,char ** argv)153 parse_args(int argc, char **argv)
154 {
155 int opt, ret, cnt, i;
156 char **argvopt;
157 uint16_t *oob_enable;
158 int option_index;
159 char *prgname = argv[0];
160 struct core_info *ci;
161 float branch_ratio;
162 static struct option lgopts[] = {
163 { "mac-updating", no_argument, 0, 1},
164 { "no-mac-updating", no_argument, 0, 0},
165 { "core-branch-ratio", optional_argument, 0, 'b'},
166 { "port-list", optional_argument, 0, 'p'},
167 {NULL, 0, 0, 0}
168 };
169 argvopt = argv;
170 ci = get_core_info();
171
172 while ((opt = getopt_long(argc, argvopt, "p:q:T:b:",
173 lgopts, &option_index)) != EOF) {
174
175 switch (opt) {
176 /* portmask */
177 case 'p':
178 enabled_port_mask = parse_portmask(optarg);
179 if (enabled_port_mask == 0) {
180 printf("invalid portmask\n");
181 return -1;
182 }
183 break;
184 case 'b':
185 branch_ratio = BRANCH_RATIO_THRESHOLD;
186 oob_enable = malloc(ci->core_count * sizeof(uint16_t));
187 if (oob_enable == NULL) {
188 printf("Error - Unable to allocate memory\n");
189 return -1;
190 }
191 cnt = parse_set(optarg, oob_enable, ci->core_count);
192 if (cnt < 0) {
193 printf("Invalid core-list section in "
194 "core-branch-ratio matrix - [%s]\n",
195 optarg);
196 free(oob_enable);
197 break;
198 }
199 cnt = parse_branch_ratio(optarg, &branch_ratio);
200 if (cnt < 0) {
201 printf("Invalid branch-ratio section in "
202 "core-branch-ratio matrix - [%s]\n",
203 optarg);
204 free(oob_enable);
205 break;
206 }
207 if (branch_ratio <= 0.0 || branch_ratio > 100.0) {
208 printf("invalid branch ratio specified\n");
209 free(oob_enable);
210 return -1;
211 }
212 for (i = 0; i < ci->core_count; i++) {
213 if (oob_enable[i]) {
214 printf("***Using core %d "
215 "with branch ratio %f\n",
216 i, branch_ratio);
217 ci->cd[i].oob_enabled = 1;
218 ci->cd[i].global_enabled_cpus = 1;
219 ci->cd[i].branch_ratio_threshold =
220 branch_ratio;
221 }
222 }
223 free(oob_enable);
224 break;
225 /* long options */
226 case 0:
227 break;
228
229 default:
230 return -1;
231 }
232 }
233
234 if (optind >= 0)
235 argv[optind-1] = prgname;
236
237 ret = optind-1;
238 optind = 0; /* reset getopt lib */
239 return ret;
240 }
241
242 static void
check_all_ports_link_status(uint32_t port_mask)243 check_all_ports_link_status(uint32_t port_mask)
244 {
245 #define CHECK_INTERVAL 100 /* 100ms */
246 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
247 uint16_t portid, count, all_ports_up, print_flag = 0;
248 struct rte_eth_link link;
249 int ret;
250 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
251
252 printf("\nChecking link status");
253 fflush(stdout);
254 for (count = 0; count <= MAX_CHECK_TIME; count++) {
255 if (force_quit)
256 return;
257 all_ports_up = 1;
258 RTE_ETH_FOREACH_DEV(portid) {
259 if (force_quit)
260 return;
261 if ((port_mask & (1 << portid)) == 0)
262 continue;
263 memset(&link, 0, sizeof(link));
264 ret = rte_eth_link_get_nowait(portid, &link);
265 if (ret < 0) {
266 all_ports_up = 0;
267 if (print_flag == 1)
268 printf("Port %u link get failed: %s\n",
269 portid, rte_strerror(-ret));
270 continue;
271 }
272 /* print link status if flag set */
273 if (print_flag == 1) {
274 rte_eth_link_to_str(link_status_text,
275 sizeof(link_status_text), &link);
276 printf("Port %d %s\n", portid,
277 link_status_text);
278 continue;
279 }
280 /* clear all_ports_up flag if any link down */
281 if (link.link_status == ETH_LINK_DOWN) {
282 all_ports_up = 0;
283 break;
284 }
285 }
286 /* after finally printing all link status, get out */
287 if (print_flag == 1)
288 break;
289
290 if (all_ports_up == 0) {
291 printf(".");
292 fflush(stdout);
293 rte_delay_ms(CHECK_INTERVAL);
294 }
295
296 /* set the print_flag if all ports up or timeout */
297 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
298 print_flag = 1;
299 printf("done\n");
300 }
301 }
302 }
303 static int
run_monitor(__rte_unused void * arg)304 run_monitor(__rte_unused void *arg)
305 {
306 if (channel_monitor_init() < 0) {
307 printf("Unable to initialize channel monitor\n");
308 return -1;
309 }
310 run_channel_monitor();
311 return 0;
312 }
313
314 static int
run_core_monitor(__rte_unused void * arg)315 run_core_monitor(__rte_unused void *arg)
316 {
317 if (branch_monitor_init() < 0) {
318 printf("Unable to initialize core monitor\n");
319 return -1;
320 }
321 run_branch_monitor();
322 return 0;
323 }
324
325 static void
sig_handler(int signo)326 sig_handler(int signo)
327 {
328 printf("Received signal %d, exiting...\n", signo);
329 channel_monitor_exit();
330 channel_manager_exit();
331 power_manager_exit();
332
333 }
334
335 int
main(int argc,char ** argv)336 main(int argc, char **argv)
337 {
338 int ret;
339 unsigned lcore_id;
340 unsigned int nb_ports;
341 struct rte_mempool *mbuf_pool;
342 uint16_t portid;
343 struct core_info *ci;
344
345
346 ret = core_info_init();
347 if (ret < 0)
348 rte_panic("Cannot allocate core info\n");
349
350 ci = get_core_info();
351
352 ret = rte_eal_init(argc, argv);
353 if (ret < 0)
354 rte_panic("Cannot init EAL\n");
355
356 signal(SIGINT, sig_handler);
357 signal(SIGTERM, sig_handler);
358
359 argc -= ret;
360 argv += ret;
361
362 /* parse application arguments (after the EAL ones) */
363 ret = parse_args(argc, argv);
364 if (ret < 0)
365 rte_exit(EXIT_FAILURE, "Invalid arguments\n");
366
367 nb_ports = rte_eth_dev_count_avail();
368
369 if (nb_ports > 0) {
370 mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
371 NUM_MBUFS * nb_ports, MBUF_CACHE_SIZE, 0,
372 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
373
374 if (mbuf_pool == NULL)
375 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
376
377 /* Initialize ports. */
378 RTE_ETH_FOREACH_DEV(portid) {
379 struct rte_ether_addr eth;
380 int w, j;
381 int ret;
382
383 if ((enabled_port_mask & (1 << portid)) == 0)
384 continue;
385
386 eth.addr_bytes[0] = 0xe0;
387 eth.addr_bytes[1] = 0xe0;
388 eth.addr_bytes[2] = 0xe0;
389 eth.addr_bytes[3] = 0xe0;
390 eth.addr_bytes[4] = portid + 0xf0;
391
392 if (port_init(portid, mbuf_pool) != 0)
393 rte_exit(EXIT_FAILURE,
394 "Cannot init port %"PRIu8 "\n",
395 portid);
396
397 for (w = 0; w < MAX_VFS; w++) {
398 eth.addr_bytes[5] = w + 0xf0;
399
400 ret = -ENOTSUP;
401 #ifdef RTE_NET_IXGBE
402 ret = rte_pmd_ixgbe_set_vf_mac_addr(portid,
403 w, ð);
404 #endif
405 #ifdef RTE_NET_I40E
406 if (ret == -ENOTSUP)
407 ret = rte_pmd_i40e_set_vf_mac_addr(
408 portid, w, ð);
409 #endif
410 #ifdef RTE_NET_BNXT
411 if (ret == -ENOTSUP)
412 ret = rte_pmd_bnxt_set_vf_mac_addr(
413 portid, w, ð);
414 #endif
415
416 switch (ret) {
417 case 0:
418 printf("Port %d VF %d MAC: ",
419 portid, w);
420 for (j = 0; j < 5; j++) {
421 printf("%02x:",
422 eth.addr_bytes[j]);
423 }
424 printf("%02x\n", eth.addr_bytes[5]);
425 break;
426 }
427 printf("\n");
428 }
429 }
430 }
431
432 check_all_ports_link_status(enabled_port_mask);
433
434 lcore_id = rte_get_next_lcore(-1, 1, 0);
435 if (lcore_id == RTE_MAX_LCORE) {
436 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
437 "application\n");
438 return 0;
439 }
440 printf("Running channel monitor on lcore id %d\n", lcore_id);
441 rte_eal_remote_launch(run_monitor, NULL, lcore_id);
442
443 lcore_id = rte_get_next_lcore(lcore_id, 1, 0);
444 if (lcore_id == RTE_MAX_LCORE) {
445 RTE_LOG(ERR, EAL, "A minimum of three cores are required to run "
446 "application\n");
447 return 0;
448 }
449 if (power_manager_init() < 0) {
450 printf("Unable to initialize power manager\n");
451 return -1;
452 }
453 if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) {
454 printf("Unable to initialize channel manager\n");
455 return -1;
456 }
457
458 add_host_channels();
459
460 printf("Running core monitor on lcore id %d\n", lcore_id);
461 rte_eal_remote_launch(run_core_monitor, NULL, lcore_id);
462
463 run_cli(NULL);
464
465 branch_monitor_exit();
466
467 rte_eal_mp_wait_lcore();
468
469 free(ci->cd);
470
471 return 0;
472 }
473