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-rw-r--r--netlink/eee.c189
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;
+}