[PATCH v3] cmd: net: add a 'net list' command to list network devs
In a system with multiple network controllers it can be difficult to know the names of the various devices available. This is especially true for USB ether devices as they do not display device names upon detection.
This is being added as a net sub-system in case other commands may want to be added or moved here.
Note that this is only enabled for DM_ETH
Example: U-Boot > net net - NET sub-system
Usage: net list - list available devices
U-Boot > net list eth0 : ethernet@2188000 00:d0:12:98:f5:47 active eth1 : e1000#0 00:d0:12:98:f5:48 eth2 : asix_eth 8c:ae:4c:f5:84:9d eth3 : asix_eth 8c:ae:4c:f9:41:e3
Signed-off-by: Tim Harvey tharvey@gateworks.com Reviewed-by: Stefan Roese sr@denx.de Reviewed-by: Ramon Fried rfried.dev@gmail.com
--- v3: fix compile issue by enabling only for DM_ETH v2: added Reviewed-by tags --- cmd/net.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+)
diff --git a/cmd/net.c b/cmd/net.c index beb2877dfd..76c7e75125 100644 --- a/cmd/net.c +++ b/cmd/net.c @@ -10,6 +10,7 @@ #include <common.h> #include <bootstage.h> #include <command.h> +#include <dm.h> #include <env.h> #include <image.h> #include <net.h> @@ -480,3 +481,48 @@ U_BOOT_CMD( );
#endif /* CONFIG_CMD_LINK_LOCAL */ + +#ifdef CONFIG_DM_ETH +static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + const struct udevice *current = eth_get_dev(); + unsigned char env_enetaddr[ARP_HLEN]; + const struct udevice *dev; + struct uclass *uc; + + uclass_id_foreach_dev(UCLASS_ETH, dev, uc) { + eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr); + printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr, + current == dev ? "active" : ""); + } + return CMD_RET_SUCCESS; +} + +static struct cmd_tbl cmd_net[] = { + U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""), +}; + +static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + struct cmd_tbl *cp; + + cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net)); + + /* Drop the net command */ + argc--; + argv++; + + if (!cp || argc > cp->maxargs) + return CMD_RET_USAGE; + if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp)) + return CMD_RET_SUCCESS; + + return cp->cmd(cmdtp, flag, argc, argv); +} + +U_BOOT_CMD( + net, 2, 1, do_net, + "NET sub-system", + "list - list available devices\n" +); +#endif // CONFIG_DM_ETH
On Sat, Jun 19, 2021 at 1:26 AM Tim Harvey tharvey@gateworks.com wrote:
In a system with multiple network controllers it can be difficult to know the names of the various devices available. This is especially true for USB ether devices as they do not display device names upon detection.
This is being added as a net sub-system in case other commands may want to be added or moved here.
Note that this is only enabled for DM_ETH
Example: U-Boot > net net - NET sub-system
Usage: net list - list available devices
U-Boot > net list eth0 : ethernet@2188000 00:d0:12:98:f5:47 active eth1 : e1000#0 00:d0:12:98:f5:48 eth2 : asix_eth 8c:ae:4c:f5:84:9d eth3 : asix_eth 8c:ae:4c:f9:41:e3
Signed-off-by: Tim Harvey tharvey@gateworks.com Reviewed-by: Stefan Roese sr@denx.de Reviewed-by: Ramon Fried rfried.dev@gmail.com
v3: fix compile issue by enabling only for DM_ETH v2: added Reviewed-by tags
cmd/net.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+)
diff --git a/cmd/net.c b/cmd/net.c index beb2877dfd..76c7e75125 100644 --- a/cmd/net.c +++ b/cmd/net.c @@ -10,6 +10,7 @@ #include <common.h> #include <bootstage.h> #include <command.h> +#include <dm.h> #include <env.h> #include <image.h> #include <net.h> @@ -480,3 +481,48 @@ U_BOOT_CMD( );
#endif /* CONFIG_CMD_LINK_LOCAL */
+#ifdef CONFIG_DM_ETH +static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{
const struct udevice *current = eth_get_dev();unsigned char env_enetaddr[ARP_HLEN];const struct udevice *dev;struct uclass *uc;uclass_id_foreach_dev(UCLASS_ETH, dev, uc) {eth_env_get_enetaddr_by_index("eth", dev_seq(dev), env_enetaddr);printf("eth%d : %s %pM %s\n", dev_seq(dev), dev->name, env_enetaddr,current == dev ? "active" : "");}return CMD_RET_SUCCESS;+}
+static struct cmd_tbl cmd_net[] = {
U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""),+};
+static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{
struct cmd_tbl *cp;cp = find_cmd_tbl(argv[1], cmd_net, ARRAY_SIZE(cmd_net));/* Drop the net command */argc--;argv++;if (!cp || argc > cp->maxargs)return CMD_RET_USAGE;if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))return CMD_RET_SUCCESS;return cp->cmd(cmdtp, flag, argc, argv);+}
+U_BOOT_CMD(
net, 2, 1, do_net,"NET sub-system","list - list available devices\n"+);
+#endif // CONFIG_DM_ETH
2.17.1
Applied to u-boot-net/master, Thanks ! Ramon
participants (2)
-
Ramon Fried -
Tim Harvey