diff options
Diffstat (limited to 'cmd/net.c')
| -rw-r--r-- | cmd/net.c | 54 |
1 files changed, 53 insertions, 1 deletions
@@ -13,6 +13,7 @@ #include <bootstage.h> #include <command.h> #include <dm.h> +#include <dm/devres.h> #include <env.h> #include <image.h> #include <log.h> @@ -691,8 +692,58 @@ static int do_net_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const ar return CMD_RET_SUCCESS; } +static int do_net_stats(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + int nstats, err, i, off; + struct udevice *dev; + u64 *values; + u8 *strings; + + if (argc < 2) + return CMD_RET_USAGE; + + err = uclass_get_device_by_name(UCLASS_ETH, argv[1], &dev); + if (err) { + printf("Could not find device %s\n", argv[1]); + return CMD_RET_FAILURE; + } + + if (!eth_get_ops(dev)->get_sset_count || + !eth_get_ops(dev)->get_strings || + !eth_get_ops(dev)->get_stats) { + printf("Driver does not implement stats dump!\n"); + return CMD_RET_FAILURE; + } + + nstats = eth_get_ops(dev)->get_sset_count(dev); + strings = kcalloc(nstats, ETH_GSTRING_LEN, GFP_KERNEL); + if (!strings) + return CMD_RET_FAILURE; + + values = kcalloc(nstats, sizeof(u64), GFP_KERNEL); + if (!values) + goto err_free_strings; + + eth_get_ops(dev)->get_strings(dev, strings); + eth_get_ops(dev)->get_stats(dev, values); + + off = 0; + for (i = 0; i < nstats; i++) { + printf(" %s: %llu\n", &strings[off], values[i]); + off += ETH_GSTRING_LEN; + }; + + return CMD_RET_SUCCESS; + +err_free_strings: + kfree(strings); + + return CMD_RET_FAILURE; +} + static struct cmd_tbl cmd_net[] = { U_BOOT_CMD_MKENT(list, 1, 0, do_net_list, "", ""), + U_BOOT_CMD_MKENT(stats, 2, 0, do_net_stats, "", ""), }; static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) @@ -714,9 +765,10 @@ static int do_net(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) } U_BOOT_CMD( - net, 2, 1, do_net, + net, 3, 1, do_net, "NET sub-system", "list - list available devices\n" + "stats <device> - dump statistics for specified device\n" ); #if defined(CONFIG_CMD_NCSI) |