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// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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/*
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* rdma.c RDMA tool
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* Authors: Leon Romanovsky <leonro@mellanox.com>
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*/
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#include "rdma.h"
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#include "SNAPSHOT.h"
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static void help(char *name)
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{
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pr_out("Usage: %s [ OPTIONS ] OBJECT { COMMAND | help }\n"
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" %s [ -f[orce] ] -b[atch] filename\n"
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"where OBJECT := { dev | link | resource | system | statistic | help }\n"
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" OPTIONS := { -V[ersion] | -d[etails] | -j[son] | -p[retty]}\n", name, name);
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}
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static int cmd_help(struct rd *rd)
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{
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help(rd->filename);
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return 0;
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}
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static int rd_cmd(struct rd *rd, int argc, char **argv)
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{
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const struct rd_cmd cmds[] = {
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{ NULL, cmd_help },
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{ "help", cmd_help },
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{ "dev", cmd_dev },
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{ "link", cmd_link },
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{ "resource", cmd_res },
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{ "system", cmd_sys },
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{ "statistic", cmd_stat },
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{ 0 }
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};
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rd->argc = argc;
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rd->argv = argv;
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return rd_exec_cmd(rd, cmds, "object");
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}
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static int rd_batch(struct rd *rd, const char *name, bool force)
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{
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char *line = NULL;
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size_t len = 0;
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int ret = 0;
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if (name && strcmp(name, "-") != 0) {
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if (!freopen(name, "r", stdin)) {
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pr_err("Cannot open file \"%s\" for reading: %s\n",
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name, strerror(errno));
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return errno;
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}
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}
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cmdlineno = 0;
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while (getcmdline(&line, &len, stdin) != -1) {
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char *largv[512];
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int largc;
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largc = makeargs(line, largv, ARRAY_SIZE(largv));
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if (!largc)
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continue; /* blank line */
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ret = rd_cmd(rd, largc, largv);
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if (ret) {
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pr_err("Command failed %s:%d\n", name, cmdlineno);
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if (!force)
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break;
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}
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}
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free(line);
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return ret;
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}
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static int rd_init(struct rd *rd, char *filename)
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{
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uint32_t seq;
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int ret;
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rd->filename = filename;
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INIT_LIST_HEAD(&rd->dev_map_list);
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INIT_LIST_HEAD(&rd->filter_list);
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if (rd->json_output) {
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rd->jw = jsonw_new(stdout);
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if (!rd->jw) {
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pr_err("Failed to create JSON writer\n");
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return -ENOMEM;
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}
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jsonw_pretty(rd->jw, rd->pretty_output);
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}
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rd->buff = malloc(MNL_SOCKET_BUFFER_SIZE);
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if (!rd->buff)
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return -ENOMEM;
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rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET,
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&seq, (NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP));
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ret = rd_send_msg(rd);
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if (ret)
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return ret;
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return rd_recv_msg(rd, rd_dev_init_cb, rd, seq);
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}
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static void rd_cleanup(struct rd *rd)
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{
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if (rd->json_output)
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jsonw_destroy(&rd->jw);
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rd_free(rd);
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}
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int main(int argc, char **argv)
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{
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static const struct option long_options[] = {
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{ "version", no_argument, NULL, 'V' },
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{ "help", no_argument, NULL, 'h' },
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{ "json", no_argument, NULL, 'j' },
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{ "pretty", no_argument, NULL, 'p' },
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{ "details", no_argument, NULL, 'd' },
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{ "force", no_argument, NULL, 'f' },
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{ "batch", required_argument, NULL, 'b' },
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{ NULL, 0, NULL, 0 }
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};
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bool show_driver_details = false;
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const char *batch_file = NULL;
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bool pretty_output = false;
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bool show_details = false;
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bool json_output = false;
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bool force = false;
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struct rd rd = {};
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char *filename;
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int opt;
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int err;
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filename = basename(argv[0]);
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while ((opt = getopt_long(argc, argv, ":Vhdpjfb:",
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long_options, NULL)) >= 0) {
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switch (opt) {
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case 'V':
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printf("%s utility, iproute2-ss%s\n",
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filename, SNAPSHOT);
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return EXIT_SUCCESS;
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case 'p':
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pretty_output = true;
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break;
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case 'd':
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if (show_details)
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show_driver_details = true;
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else
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show_details = true;
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break;
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case 'j':
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json_output = true;
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break;
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case 'f':
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force = true;
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break;
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case 'b':
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batch_file = optarg;
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break;
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case 'h':
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help(filename);
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return EXIT_SUCCESS;
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case ':':
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pr_err("-%c option requires an argument\n", optopt);
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return EXIT_FAILURE;
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default:
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pr_err("Unknown option.\n");
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help(filename);
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return EXIT_FAILURE;
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}
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}
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argc -= optind;
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argv += optind;
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rd.show_details = show_details;
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rd.show_driver_details = show_driver_details;
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rd.json_output = json_output;
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rd.pretty_output = pretty_output;
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err = rd_init(&rd, filename);
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if (err)
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goto out;
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if (batch_file)
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err = rd_batch(&rd, batch_file, force);
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else
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err = rd_cmd(&rd, argc, argv);
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out:
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/* Always cleanup */
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rd_cleanup(&rd);
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return err ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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