Adding upstream version 1:6.1.upstream/1%6.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 189 insertions, 0 deletions

diff --git a/netlink/eee.c b/netlink/eee.c
new file mode 100644
index 0000000..04d8f0b
--- /dev/null
+++ b/netlink/eee.c
@@ -0,0 +1,189 @@
+/*
+ * eee.c - netlink implementation of eee commands
+ *
+ * Implementation of "ethtool --show-eee <dev>" and
+ * "ethtool --set-eee <dev> ..."
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "../internal.h"
+#include "../common.h"
+#include "netlink.h"
+#include "bitset.h"
+#include "parser.h"
+
+/* EEE_GET */
+
+int eee_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+	const struct nlattr *tb[ETHTOOL_A_EEE_MAX + 1] = {};
+	DECLARE_ATTR_TB_INFO(tb);
+	bool enabled, active, tx_lpi_enabled;
+	struct nl_context *nlctx = data;
+	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_EEE_HEADER]);
+	if (!dev_ok(nlctx))
+		return err_ret;
+
+	if (!tb[ETHTOOL_A_EEE_MODES_OURS] ||
+	    !tb[ETHTOOL_A_EEE_ACTIVE] || !tb[ETHTOOL_A_EEE_ENABLED] ||
+	    !tb[ETHTOOL_A_EEE_TX_LPI_ENABLED] ||
+	    !tb[ETHTOOL_A_EEE_TX_LPI_TIMER]) {
+		fprintf(stderr, "Malformed response from kernel\n");
+		return err_ret;
+	}
+	active = mnl_attr_get_u8(tb[ETHTOOL_A_EEE_ACTIVE]);
+	enabled = mnl_attr_get_u8(tb[ETHTOOL_A_EEE_ENABLED]);
+	tx_lpi_enabled = mnl_attr_get_u8(tb[ETHTOOL_A_EEE_TX_LPI_ENABLED]);
+
+	if (silent)
+		putchar('\n');
+	printf("EEE settings for %s:\n", nlctx->devname);
+	printf("\tEEE status: ");
+	if (bitset_is_empty(tb[ETHTOOL_A_EEE_MODES_OURS], true, &ret)) {
+		printf("not supported\n");
+		return MNL_CB_OK;
+	}
+	if (!enabled)
+		printf("disabled\n");
+	else
+		printf("enabled - %s\n", active ? "active" : "inactive");
+	printf("\tTx LPI: ");
+	if (tx_lpi_enabled)
+		printf("%u (us)\n",
+		       mnl_attr_get_u32(tb[ETHTOOL_A_EEE_TX_LPI_TIMER]));
+	else
+		printf("disabled\n");
+
+	ret = dump_link_modes(nlctx, tb[ETHTOOL_A_EEE_MODES_OURS], true,
+			      LM_CLASS_REAL,
+			      "Supported EEE link modes:  ", NULL, "\n",
+			      "Not reported");
+	if (ret < 0)
+		return err_ret;
+	ret = dump_link_modes(nlctx, tb[ETHTOOL_A_EEE_MODES_OURS], false,
+			      LM_CLASS_REAL,
+			      "Advertised EEE link modes:  ", NULL, "\n",
+			      "Not reported");
+	if (ret < 0)
+		return err_ret;
+	ret = dump_link_modes(nlctx, tb[ETHTOOL_A_EEE_MODES_PEER], false,
+			      LM_CLASS_REAL,
+			      "Link partner advertised EEE link modes:  ", NULL,
+			      "\n", "Not reported");
+	if (ret < 0)
+		return err_ret;
+
+	return MNL_CB_OK;
+}
+
+int nl_geee(struct cmd_context *ctx)
+{
+	struct nl_context *nlctx = ctx->nlctx;
+	struct nl_socket *nlsk = nlctx->ethnl_socket;
+	int ret;
+
+	if (netlink_cmd_check(ctx, ETHTOOL_MSG_EEE_GET, true))
+		return -EOPNOTSUPP;
+	if (ctx->argc > 0) {
+		fprintf(stderr, "ethtool: unexpected parameter '%s'\n",
+			*ctx->argp);
+		return 1;
+	}
+
+	ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_EEE_GET,
+				      ETHTOOL_A_EEE_HEADER, 0);
+	if (ret < 0)
+		return ret;
+	return nlsock_send_get_request(nlsk, eee_reply_cb);
+}
+
+/* EEE_SET */
+
+static const struct bitset_parser_data advertise_parser_data = {
+	.no_mask	= false,
+	.force_hex	= true,
+};
+
+static const struct param_parser seee_params[] = {
+	{
+		.arg		= "advertise",
+		.type		= ETHTOOL_A_EEE_MODES_OURS,
+		.handler	= nl_parse_bitset,
+		.handler_data	= &advertise_parser_data,
+		.min_argc	= 1,
+	},
+	{
+		.arg		= "tx-lpi",
+		.type		= ETHTOOL_A_EEE_TX_LPI_ENABLED,
+		.handler	= nl_parse_u8bool,
+		.min_argc	= 1,
+	},
+	{
+		.arg		= "tx-timer",
+		.type		= ETHTOOL_A_EEE_TX_LPI_TIMER,
+		.handler	= nl_parse_direct_u32,
+		.min_argc	= 1,
+	},
+	{
+		.arg		= "eee",
+		.type		= ETHTOOL_A_EEE_ENABLED,
+		.handler	= nl_parse_u8bool,
+		.min_argc	= 1,
+	},
+	{}
+};
+
+int nl_seee(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_EEE_SET, false))
+		return -EOPNOTSUPP;
+	if (!ctx->argc) {
+		fprintf(stderr, "ethtool (--set-eee): parameters missing\n");
+		return 1;
+	}
+
+	nlctx->cmd = "--set-eee";
+	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_EEE_SET,
+		       NLM_F_REQUEST | NLM_F_ACK);
+	if (ret < 0)
+		return 2;
+	if (ethnla_fill_header(msgbuff, ETHTOOL_A_EEE_HEADER,
+			       ctx->devname, 0))
+		return -EMSGSIZE;
+
+	ret = nl_parser(nlctx, seee_params, NULL, PARSER_GROUP_NONE, NULL);
+	if (ret < 0)
+		return 1;
+
+	ret = nlsock_sendmsg(nlsk, NULL);
+	if (ret < 0)
+		return 76;
+	ret = nlsock_process_reply(nlsk, nomsg_reply_cb, nlctx);
+	if (ret == 0)
+		return 0;
+	else
+		return nlctx->exit_code ?: 76;
+}