1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2019
4 * Ramon Fried <rfried.dev@gmail.com>
5 */
6
7 #include <common.h>
8 #include <command.h>
9 #include <net.h>
10 #include <net/pcap.h>
11
do_pcap_init(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])12 static int do_pcap_init(struct cmd_tbl *cmdtp, int flag, int argc,
13 char *const argv[])
14 {
15 phys_addr_t addr;
16 unsigned int size;
17
18 if (argc != 3)
19 return CMD_RET_USAGE;
20
21 addr = simple_strtoul(argv[1], NULL, 16);
22 size = simple_strtoul(argv[2], NULL, 10);
23
24 return pcap_init(addr, size) ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
25 }
26
do_pcap_start(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])27 static int do_pcap_start(struct cmd_tbl *cmdtp, int flag, int argc,
28 char *const argv[])
29 {
30 return pcap_start_stop(true) ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
31 }
32
do_pcap_stop(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])33 static int do_pcap_stop(struct cmd_tbl *cmdtp, int flag, int argc,
34 char *const argv[])
35 {
36 return pcap_start_stop(false) ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
37 }
38
do_pcap_status(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])39 static int do_pcap_status(struct cmd_tbl *cmdtp, int flag, int argc,
40 char *const argv[])
41 {
42 return pcap_print_status() ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
43 }
44
do_pcap_clear(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])45 static int do_pcap_clear(struct cmd_tbl *cmdtp, int flag, int argc,
46 char *const argv[])
47 {
48 return pcap_clear() ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
49 }
50
51 static char pcap_help_text[] =
52 "- network packet capture\n\n"
53 "pcap\n"
54 "pcap init\t\t\t<addr> <max_size>\n"
55 "pcap start\t\t\tstart capture\n"
56 "pcap stop\t\t\tstop capture\n"
57 "pcap status\t\t\tprint status\n"
58 "pcap clear\t\t\tclear capture buffer\n"
59 "\n"
60 "With:\n"
61 "\t<addr>: user address to which pcap will be stored (hexedcimal)\n"
62 "\t<max_size>: Maximum size of pcap file (decimal)\n"
63 "\n";
64
65 U_BOOT_CMD_WITH_SUBCMDS(pcap, "pcap", pcap_help_text,
66 U_BOOT_SUBCMD_MKENT(init, 3, 0, do_pcap_init),
67 U_BOOT_SUBCMD_MKENT(start, 1, 0, do_pcap_start),
68 U_BOOT_SUBCMD_MKENT(stop, 1, 0, do_pcap_stop),
69 U_BOOT_SUBCMD_MKENT(status, 1, 0, do_pcap_status),
70 U_BOOT_SUBCMD_MKENT(clear, 1, 0, do_pcap_clear),
71 );
72