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/*
* pse.c - netlink implementation of pse commands
*
* Implementation of "ethtool --show-pse <dev>" and
* "ethtool --set-pse <dev> ..."
*/
#include <errno.h>
#include <ctype.h>
#include <inttypes.h>
#include <string.h>
#include <stdio.h>
#include "../internal.h"
#include "../common.h"
#include "netlink.h"
#include "parser.h"
/* PSE_GET */
static const char *podl_pse_admin_state_name(u32 val)
{
switch (val) {
case ETHTOOL_PODL_PSE_ADMIN_STATE_UNKNOWN:
return "unknown";
case ETHTOOL_PODL_PSE_ADMIN_STATE_DISABLED:
return "disabled";
case ETHTOOL_PODL_PSE_ADMIN_STATE_ENABLED:
return "enabled";
default:
return "unsupported";
}
}
static const char *podl_pse_pw_d_status_name(u32 val)
{
switch (val) {
case ETHTOOL_PODL_PSE_PW_D_STATUS_UNKNOWN:
return "unknown";
case ETHTOOL_PODL_PSE_PW_D_STATUS_DISABLED:
return "disabled";
case ETHTOOL_PODL_PSE_PW_D_STATUS_SEARCHING:
return "searching";
case ETHTOOL_PODL_PSE_PW_D_STATUS_DELIVERING:
return "delivering power";
case ETHTOOL_PODL_PSE_PW_D_STATUS_SLEEP:
return "sleep";
case ETHTOOL_PODL_PSE_PW_D_STATUS_IDLE:
return "idle";
case ETHTOOL_PODL_PSE_PW_D_STATUS_ERROR:
return "error";
default:
return "unsupported";
}
}
int pse_reply_cb(const struct nlmsghdr *nlhdr, void *data)
{
const struct nlattr *tb[ETHTOOL_A_PSE_MAX + 1] = {};
struct nl_context *nlctx = data;
DECLARE_ATTR_TB_INFO(tb);
bool silent;
int err_ret;
int ret;
silent = nlctx->is_dump || nlctx->is_monitor;
err_ret = silent ? MNL_CB_OK : MNL_CB_ERROR;
ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
if (ret < 0)
return err_ret;
nlctx->devname = get_dev_name(tb[ETHTOOL_A_PSE_HEADER]);
if (!dev_ok(nlctx))
return err_ret;
if (silent)
print_nl();
open_json_object(NULL);
print_string(PRINT_ANY, "ifname", "PSE attributes for %s:\n",
nlctx->devname);
if (tb[ETHTOOL_A_PODL_PSE_ADMIN_STATE]) {
u32 val;
val = mnl_attr_get_u32(tb[ETHTOOL_A_PODL_PSE_ADMIN_STATE]);
print_string(PRINT_ANY, "podl-pse-admin-state",
"PoDL PSE Admin State: %s\n",
podl_pse_admin_state_name(val));
}
if (tb[ETHTOOL_A_PODL_PSE_PW_D_STATUS]) {
u32 val;
val = mnl_attr_get_u32(tb[ETHTOOL_A_PODL_PSE_PW_D_STATUS]);
print_string(PRINT_ANY, "podl-pse-power-detection-status",
"PoDL PSE Power Detection Status: %s\n",
podl_pse_pw_d_status_name(val));
}
close_json_object();
return MNL_CB_OK;
}
int nl_gpse(struct cmd_context *ctx)
{
struct nl_context *nlctx = ctx->nlctx;
struct nl_socket *nlsk;
int ret;
if (netlink_cmd_check(ctx, ETHTOOL_MSG_PSE_GET, true))
return -EOPNOTSUPP;
if (ctx->argc > 0) {
fprintf(stderr, "ethtool: unexpected parameter '%s'\n",
*ctx->argp);
return 1;
}
nlsk = nlctx->ethnl_socket;
ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_PSE_GET,
ETHTOOL_A_PSE_HEADER, 0);
if (ret < 0)
return ret;
new_json_obj(ctx->json);
ret = nlsock_send_get_request(nlsk, pse_reply_cb);
delete_json_obj();
return ret;
}
/* PSE_SET */
static const struct lookup_entry_u32 podl_pse_admin_control_values[] = {
{ .arg = "enable", .val = ETHTOOL_PODL_PSE_ADMIN_STATE_ENABLED },
{ .arg = "disable", .val = ETHTOOL_PODL_PSE_ADMIN_STATE_DISABLED },
{}
};
static const struct param_parser spse_params[] = {
{
.arg = "podl-pse-admin-control",
.type = ETHTOOL_A_PODL_PSE_ADMIN_CONTROL,
.handler = nl_parse_lookup_u32,
.handler_data = podl_pse_admin_control_values,
.min_argc = 1,
},
{}
};
int nl_spse(struct cmd_context *ctx)
{
struct nl_context *nlctx = ctx->nlctx;
struct nl_msg_buff *msgbuff;
struct nl_socket *nlsk;
int ret;
if (netlink_cmd_check(ctx, ETHTOOL_MSG_PSE_SET, false))
return -EOPNOTSUPP;
if (!ctx->argc) {
fprintf(stderr, "ethtool (--set-pse): parameters missing\n");
return 1;
}
nlctx->cmd = "--set-pse";
nlctx->argp = ctx->argp;
nlctx->argc = ctx->argc;
nlctx->devname = ctx->devname;
nlsk = nlctx->ethnl_socket;
msgbuff = &nlsk->msgbuff;
ret = msg_init(nlctx, msgbuff, ETHTOOL_MSG_PSE_SET,
NLM_F_REQUEST | NLM_F_ACK);
if (ret < 0)
return 2;
if (ethnla_fill_header(msgbuff, ETHTOOL_A_PSE_HEADER,
ctx->devname, 0))
return -EMSGSIZE;
ret = nl_parser(nlctx, spse_params, NULL, PARSER_GROUP_NONE, NULL);
if (ret < 0)
return 1;
ret = nlsock_sendmsg(nlsk, NULL);
if (ret < 0)
return 83;
ret = nlsock_process_reply(nlsk, nomsg_reply_cb, nlctx);
if (ret == 0)
return 0;
else
return nlctx->exit_code ?: 83;
}
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