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-rw-r--r--netlink/settings.c1277
1 files changed, 1277 insertions, 0 deletions
diff --git a/netlink/settings.c b/netlink/settings.c
new file mode 100644
index 0000000..ea86e36
--- /dev/null
+++ b/netlink/settings.c
@@ -0,0 +1,1277 @@
+/*
+ * settings.c - netlink implementation of settings commands
+ *
+ * Implementation of "ethtool <dev>" and "ethtool -s <dev> ...".
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "../internal.h"
+#include "../common.h"
+#include "netlink.h"
+#include "strset.h"
+#include "bitset.h"
+#include "parser.h"
+
+/* GET_SETTINGS */
+
+struct link_mode_info {
+ enum link_mode_class class;
+ u32 speed;
+ u8 duplex;
+};
+
+static const char *const names_duplex[] = {
+ [DUPLEX_HALF] = "Half",
+ [DUPLEX_FULL] = "Full",
+};
+
+static const char *const names_master_slave_state[] = {
+ [MASTER_SLAVE_STATE_UNKNOWN] = "unknown",
+ [MASTER_SLAVE_STATE_MASTER] = "master",
+ [MASTER_SLAVE_STATE_SLAVE] = "slave",
+ [MASTER_SLAVE_STATE_ERR] = "resolution error",
+};
+
+static const char *const names_master_slave_cfg[] = {
+ [MASTER_SLAVE_CFG_UNKNOWN] = "unknown",
+ [MASTER_SLAVE_CFG_MASTER_PREFERRED] = "preferred master",
+ [MASTER_SLAVE_CFG_SLAVE_PREFERRED] = "preferred slave",
+ [MASTER_SLAVE_CFG_MASTER_FORCE] = "forced master",
+ [MASTER_SLAVE_CFG_SLAVE_FORCE] = "forced slave",
+};
+
+static const char *const names_port[] = {
+ [PORT_TP] = "Twisted Pair",
+ [PORT_AUI] = "AUI",
+ [PORT_BNC] = "BNC",
+ [PORT_MII] = "MII",
+ [PORT_FIBRE] = "FIBRE",
+ [PORT_DA] = "Direct Attach Copper",
+ [PORT_NONE] = "None",
+ [PORT_OTHER] = "Other",
+};
+
+static const char *const names_transceiver[] = {
+ [XCVR_INTERNAL] = "internal",
+ [XCVR_EXTERNAL] = "external",
+};
+
+/* the practice of putting completely unrelated flags into link mode bitmaps
+ * is rather unfortunate but as even ethtool_link_ksettings preserved that,
+ * there is little chance of getting them separated any time soon so let's
+ * sort them out ourselves
+ */
+#define __REAL(_speed) \
+ { .class = LM_CLASS_REAL, .speed = _speed, .duplex = DUPLEX_FULL }
+#define __HALF_DUPLEX(_speed) \
+ { .class = LM_CLASS_REAL, .speed = _speed, .duplex = DUPLEX_HALF }
+#define __SPECIAL(_class) \
+ { .class = LM_CLASS_ ## _class }
+
+static const struct link_mode_info link_modes[] = {
+ [ETHTOOL_LINK_MODE_10baseT_Half_BIT] = __HALF_DUPLEX(10),
+ [ETHTOOL_LINK_MODE_10baseT_Full_BIT] = __REAL(10),
+ [ETHTOOL_LINK_MODE_100baseT_Half_BIT] = __HALF_DUPLEX(100),
+ [ETHTOOL_LINK_MODE_100baseT_Full_BIT] = __REAL(100),
+ [ETHTOOL_LINK_MODE_1000baseT_Half_BIT] = __HALF_DUPLEX(1000),
+ [ETHTOOL_LINK_MODE_1000baseT_Full_BIT] = __REAL(1000),
+ [ETHTOOL_LINK_MODE_Autoneg_BIT] = __SPECIAL(AUTONEG),
+ [ETHTOOL_LINK_MODE_TP_BIT] = __SPECIAL(PORT),
+ [ETHTOOL_LINK_MODE_AUI_BIT] = __SPECIAL(PORT),
+ [ETHTOOL_LINK_MODE_MII_BIT] = __SPECIAL(PORT),
+ [ETHTOOL_LINK_MODE_FIBRE_BIT] = __SPECIAL(PORT),
+ [ETHTOOL_LINK_MODE_BNC_BIT] = __SPECIAL(PORT),
+ [ETHTOOL_LINK_MODE_10000baseT_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_Pause_BIT] = __SPECIAL(PAUSE),
+ [ETHTOOL_LINK_MODE_Asym_Pause_BIT] = __SPECIAL(PAUSE),
+ [ETHTOOL_LINK_MODE_2500baseX_Full_BIT] = __REAL(2500),
+ [ETHTOOL_LINK_MODE_Backplane_BIT] = __SPECIAL(PORT),
+ [ETHTOOL_LINK_MODE_1000baseKX_Full_BIT] = __REAL(1000),
+ [ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_10000baseKR_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT] = __REAL(20000),
+ [ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT] = __REAL(20000),
+ [ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT] = __REAL(40000),
+ [ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT] = __REAL(40000),
+ [ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT] = __REAL(40000),
+ [ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT] = __REAL(40000),
+ [ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT] = __REAL(56000),
+ [ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT] = __REAL(56000),
+ [ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT] = __REAL(56000),
+ [ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT] = __REAL(56000),
+ [ETHTOOL_LINK_MODE_25000baseCR_Full_BIT] = __REAL(25000),
+ [ETHTOOL_LINK_MODE_25000baseKR_Full_BIT] = __REAL(25000),
+ [ETHTOOL_LINK_MODE_25000baseSR_Full_BIT] = __REAL(25000),
+ [ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_1000baseX_Full_BIT] = __REAL(1000),
+ [ETHTOOL_LINK_MODE_10000baseCR_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_10000baseSR_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_10000baseLR_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_10000baseER_Full_BIT] = __REAL(10000),
+ [ETHTOOL_LINK_MODE_2500baseT_Full_BIT] = __REAL(2500),
+ [ETHTOOL_LINK_MODE_5000baseT_Full_BIT] = __REAL(5000),
+ [ETHTOOL_LINK_MODE_FEC_NONE_BIT] = __SPECIAL(FEC),
+ [ETHTOOL_LINK_MODE_FEC_RS_BIT] = __SPECIAL(FEC),
+ [ETHTOOL_LINK_MODE_FEC_BASER_BIT] = __SPECIAL(FEC),
+ [ETHTOOL_LINK_MODE_50000baseKR_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_50000baseSR_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_50000baseCR_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_50000baseDR_Full_BIT] = __REAL(50000),
+ [ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_100baseT1_Full_BIT] = __REAL(100),
+ [ETHTOOL_LINK_MODE_1000baseT1_Full_BIT] = __REAL(1000),
+ [ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_FEC_LLRS_BIT] = __SPECIAL(FEC),
+ [ETHTOOL_LINK_MODE_100000baseKR_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseSR_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseCR_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_100000baseDR_Full_BIT] = __REAL(100000),
+ [ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT] = __REAL(200000),
+ [ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT] = __REAL(400000),
+ [ETHTOOL_LINK_MODE_100baseFX_Half_BIT] = __HALF_DUPLEX(100),
+ [ETHTOOL_LINK_MODE_100baseFX_Full_BIT] = __REAL(100),
+ [ETHTOOL_LINK_MODE_10baseT1L_Full_BIT] = __REAL(10),
+};
+const unsigned int link_modes_count = ARRAY_SIZE(link_modes);
+
+#undef __REAL
+#undef __HALF_DUPLEX
+#undef __SPECIAL
+
+static bool lm_class_match(unsigned int mode, enum link_mode_class class)
+{
+ unsigned int mode_class = (mode < link_modes_count) ?
+ link_modes[mode].class : LM_CLASS_UNKNOWN;
+
+ return mode_class == class ||
+ (class == LM_CLASS_REAL && mode_class == LM_CLASS_UNKNOWN);
+}
+
+static void print_enum(const char *const *info, unsigned int n_info,
+ unsigned int val, const char *label)
+{
+ if (val >= n_info || !info[val])
+ printf("\t%s: Unknown! (%d)\n", label, val);
+ else
+ printf("\t%s: %s\n", label, info[val]);
+}
+
+static int dump_pause(const struct nlattr *attr, bool mask, const char *label)
+{
+ bool pause, asym;
+ int ret = 0;
+
+ pause = bitset_get_bit(attr, mask, ETHTOOL_LINK_MODE_Pause_BIT, &ret);
+ if (ret < 0)
+ goto err;
+ asym = bitset_get_bit(attr, mask, ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ &ret);
+ if (ret < 0)
+ goto err;
+
+ printf("\t%s", label);
+ if (pause)
+ printf("%s\n", asym ? "Symmetric Receive-only" : "Symmetric");
+ else
+ printf("%s\n", asym ? "Transmit-only" : "No");
+
+ return 0;
+err:
+ fprintf(stderr, "malformed netlink message (pause modes)\n");
+ return ret;
+}
+
+static void print_banner(struct nl_context *nlctx)
+{
+ if (nlctx->no_banner)
+ return;
+ printf("Settings for %s:\n", nlctx->devname);
+ nlctx->no_banner = true;
+}
+
+int dump_link_modes(struct nl_context *nlctx, const struct nlattr *bitset,
+ bool mask, unsigned int class, const char *before,
+ const char *between, const char *after, const char *if_none)
+{
+ const struct nlattr *bitset_tb[ETHTOOL_A_BITSET_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(bitset_tb);
+ const unsigned int before_len = strlen(before);
+ unsigned int prev = UINT_MAX - 1;
+ const struct nlattr *bits;
+ const struct nlattr *bit;
+ bool first = true;
+ bool nomask;
+ int ret;
+
+ ret = mnl_attr_parse_nested(bitset, attr_cb, &bitset_tb_info);
+ if (ret < 0)
+ goto err_nonl;
+
+ nomask = bitset_tb[ETHTOOL_A_BITSET_NOMASK];
+ /* Trying to print the mask of a "no mask" bitset doesn't make sense */
+ if (mask && nomask) {
+ ret = -EFAULT;
+ goto err_nonl;
+ }
+
+ bits = bitset_tb[ETHTOOL_A_BITSET_BITS];
+
+ if (!bits) {
+ const struct stringset *lm_strings;
+ unsigned int count;
+ unsigned int idx;
+ const char *name;
+
+ ret = netlink_init_ethnl2_socket(nlctx);
+ if (ret < 0)
+ goto err_nonl;
+ lm_strings = global_stringset(ETH_SS_LINK_MODES,
+ nlctx->ethnl2_socket);
+ bits = mask ? bitset_tb[ETHTOOL_A_BITSET_MASK] :
+ bitset_tb[ETHTOOL_A_BITSET_VALUE];
+ ret = -EFAULT;
+ if (!bits || !bitset_tb[ETHTOOL_A_BITSET_SIZE])
+ goto err_nonl;
+ count = mnl_attr_get_u32(bitset_tb[ETHTOOL_A_BITSET_SIZE]);
+ if (mnl_attr_get_payload_len(bits) / 4 < (count + 31) / 32)
+ goto err_nonl;
+
+ printf("\t%s", before);
+ for (idx = 0; idx < count; idx++) {
+ const uint32_t *raw_data = mnl_attr_get_payload(bits);
+ char buff[14];
+
+ if (!(raw_data[idx / 32] & (1U << (idx % 32))))
+ continue;
+ if (!lm_class_match(idx, class))
+ continue;
+ name = get_string(lm_strings, idx);
+ if (!name) {
+ snprintf(buff, sizeof(buff), "BIT%u", idx);
+ name = buff;
+ }
+ if (first)
+ first = false;
+ /* ugly hack to preserve old output format */
+ if (class == LM_CLASS_REAL && (idx == prev + 1) &&
+ prev < link_modes_count &&
+ link_modes[prev].class == LM_CLASS_REAL &&
+ link_modes[prev].duplex == DUPLEX_HALF)
+ putchar(' ');
+ else if (between)
+ printf("\t%s", between);
+ else
+ printf("\n\t%*s", before_len, "");
+ printf("%s", name);
+ prev = idx;
+ }
+ goto after;
+ }
+
+ printf("\t%s", before);
+ mnl_attr_for_each_nested(bit, bits) {
+ const struct nlattr *tb[ETHTOOL_A_BITSET_BIT_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ unsigned int idx;
+ const char *name;
+
+ if (mnl_attr_get_type(bit) != ETHTOOL_A_BITSET_BITS_BIT)
+ continue;
+ ret = mnl_attr_parse_nested(bit, attr_cb, &tb_info);
+ if (ret < 0)
+ goto err;
+ ret = -EFAULT;
+ if (!tb[ETHTOOL_A_BITSET_BIT_INDEX] ||
+ !tb[ETHTOOL_A_BITSET_BIT_NAME])
+ goto err;
+ if (!mask && !nomask && !tb[ETHTOOL_A_BITSET_BIT_VALUE])
+ continue;
+
+ idx = mnl_attr_get_u32(tb[ETHTOOL_A_BITSET_BIT_INDEX]);
+ name = mnl_attr_get_str(tb[ETHTOOL_A_BITSET_BIT_NAME]);
+ if (!lm_class_match(idx, class))
+ continue;
+ if (first) {
+ first = false;
+ } else {
+ /* ugly hack to preserve old output format */
+ if ((class == LM_CLASS_REAL) && (idx == prev + 1) &&
+ (prev < link_modes_count) &&
+ (link_modes[prev].class == LM_CLASS_REAL) &&
+ (link_modes[prev].duplex == DUPLEX_HALF))
+ putchar(' ');
+ else if (between)
+ printf("\t%s", between);
+ else
+ printf("\n\t%*s", before_len, "");
+ }
+ printf("%s", name);
+ prev = idx;
+ }
+after:
+ if (first && if_none)
+ printf("%s", if_none);
+ printf("%s", after);
+
+ return 0;
+err:
+ putchar('\n');
+err_nonl:
+ fflush(stdout);
+ fprintf(stderr, "malformed netlink message (link_modes)\n");
+ return ret;
+}
+
+static int dump_our_modes(struct nl_context *nlctx, const struct nlattr *attr)
+{
+ bool autoneg;
+ int ret;
+
+ print_banner(nlctx);
+ ret = dump_link_modes(nlctx, attr, true, LM_CLASS_PORT,
+ "Supported ports: [ ", " ", " ]\n", NULL);
+ if (ret < 0)
+ return ret;
+
+ ret = dump_link_modes(nlctx, attr, true, LM_CLASS_REAL,
+ "Supported link modes: ", NULL, "\n",
+ "Not reported");
+ if (ret < 0)
+ return ret;
+ ret = dump_pause(attr, true, "Supported pause frame use: ");
+ if (ret < 0)
+ return ret;
+
+ autoneg = bitset_get_bit(attr, true, ETHTOOL_LINK_MODE_Autoneg_BIT,
+ &ret);
+ if (ret < 0)
+ return ret;
+ printf("\tSupports auto-negotiation: %s\n", autoneg ? "Yes" : "No");
+
+ ret = dump_link_modes(nlctx, attr, true, LM_CLASS_FEC,
+ "Supported FEC modes: ", " ", "\n",
+ "Not reported");
+ if (ret < 0)
+ return ret;
+
+ ret = dump_link_modes(nlctx, attr, false, LM_CLASS_REAL,
+ "Advertised link modes: ", NULL, "\n",
+ "Not reported");
+ if (ret < 0)
+ return ret;
+
+ ret = dump_pause(attr, false, "Advertised pause frame use: ");
+ if (ret < 0)
+ return ret;
+ autoneg = bitset_get_bit(attr, false, ETHTOOL_LINK_MODE_Autoneg_BIT,
+ &ret);
+ if (ret < 0)
+ return ret;
+ printf("\tAdvertised auto-negotiation: %s\n", autoneg ? "Yes" : "No");
+
+ ret = dump_link_modes(nlctx, attr, false, LM_CLASS_FEC,
+ "Advertised FEC modes: ", " ", "\n",
+ "Not reported");
+ return ret;
+}
+
+static int dump_peer_modes(struct nl_context *nlctx, const struct nlattr *attr)
+{
+ bool autoneg;
+ int ret;
+
+ print_banner(nlctx);
+ ret = dump_link_modes(nlctx, attr, false, LM_CLASS_REAL,
+ "Link partner advertised link modes: ",
+ NULL, "\n", "Not reported");
+ if (ret < 0)
+ return ret;
+
+ ret = dump_pause(attr, false,
+ "Link partner advertised pause frame use: ");
+ if (ret < 0)
+ return ret;
+
+ autoneg = bitset_get_bit(attr, false,
+ ETHTOOL_LINK_MODE_Autoneg_BIT, &ret);
+ if (ret < 0)
+ return ret;
+ printf("\tLink partner advertised auto-negotiation: %s\n",
+ autoneg ? "Yes" : "No");
+
+ ret = dump_link_modes(nlctx, attr, false, LM_CLASS_FEC,
+ "Link partner advertised FEC modes: ",
+ " ", "\n", "Not reported");
+ return ret;
+}
+
+int linkmodes_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+ const struct nlattr *tb[ETHTOOL_A_LINKMODES_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ struct nl_context *nlctx = data;
+ int ret;
+
+ if (nlctx->is_dump || nlctx->is_monitor)
+ nlctx->no_banner = false;
+ ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return ret;
+ nlctx->devname = get_dev_name(tb[ETHTOOL_A_LINKMODES_HEADER]);
+ if (!dev_ok(nlctx))
+ return MNL_CB_OK;
+
+ if (tb[ETHTOOL_A_LINKMODES_OURS]) {
+ ret = dump_our_modes(nlctx, tb[ETHTOOL_A_LINKMODES_OURS]);
+ if (ret < 0)
+ goto err;
+ }
+ if (tb[ETHTOOL_A_LINKMODES_PEER]) {
+ ret = dump_peer_modes(nlctx, tb[ETHTOOL_A_LINKMODES_PEER]);
+ if (ret < 0)
+ goto err;
+ }
+ if (tb[ETHTOOL_A_LINKMODES_SPEED]) {
+ uint32_t val = mnl_attr_get_u32(tb[ETHTOOL_A_LINKMODES_SPEED]);
+
+ print_banner(nlctx);
+ if (val == 0 || val == (uint16_t)(-1) || val == (uint32_t)(-1))
+ printf("\tSpeed: Unknown!\n");
+ else
+ printf("\tSpeed: %uMb/s\n", val);
+ }
+ if (tb[ETHTOOL_A_LINKMODES_LANES]) {
+ uint32_t val = mnl_attr_get_u32(tb[ETHTOOL_A_LINKMODES_LANES]);
+
+ print_banner(nlctx);
+ printf("\tLanes: %u\n", val);
+ }
+ if (tb[ETHTOOL_A_LINKMODES_DUPLEX]) {
+ uint8_t val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKMODES_DUPLEX]);
+
+ print_banner(nlctx);
+ print_enum(names_duplex, ARRAY_SIZE(names_duplex), val,
+ "Duplex");
+ }
+ if (tb[ETHTOOL_A_LINKMODES_AUTONEG]) {
+ int autoneg = mnl_attr_get_u8(tb[ETHTOOL_A_LINKMODES_AUTONEG]);
+
+ print_banner(nlctx);
+ printf("\tAuto-negotiation: %s\n",
+ (autoneg == AUTONEG_DISABLE) ? "off" : "on");
+ }
+ if (tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG]) {
+ uint8_t val;
+
+ val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG]);
+
+ print_banner(nlctx);
+ print_enum(names_master_slave_cfg,
+ ARRAY_SIZE(names_master_slave_cfg), val,
+ "master-slave cfg");
+ }
+ if (tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE]) {
+ uint8_t val;
+
+ val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE]);
+ print_banner(nlctx);
+ print_enum(names_master_slave_state,
+ ARRAY_SIZE(names_master_slave_state), val,
+ "master-slave status");
+ }
+
+ return MNL_CB_OK;
+err:
+ if (nlctx->is_monitor || nlctx->is_dump)
+ return MNL_CB_OK;
+ fputs("No data available\n", stdout);
+ nlctx->exit_code = 75;
+ return MNL_CB_ERROR;
+}
+
+int linkinfo_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+ const struct nlattr *tb[ETHTOOL_A_LINKINFO_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ struct nl_context *nlctx = data;
+ int port = -1;
+ int ret;
+
+ if (nlctx->is_dump || nlctx->is_monitor)
+ nlctx->no_banner = false;
+ ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return ret;
+ nlctx->devname = get_dev_name(tb[ETHTOOL_A_LINKINFO_HEADER]);
+ if (!dev_ok(nlctx))
+ return MNL_CB_OK;
+
+ if (tb[ETHTOOL_A_LINKINFO_PORT]) {
+ uint8_t val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKINFO_PORT]);
+
+ print_banner(nlctx);
+ print_enum(names_port, ARRAY_SIZE(names_port), val, "Port");
+ port = val;
+ }
+ if (tb[ETHTOOL_A_LINKINFO_PHYADDR]) {
+ uint8_t val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKINFO_PHYADDR]);
+
+ print_banner(nlctx);
+ printf("\tPHYAD: %u\n", val);
+ }
+ if (tb[ETHTOOL_A_LINKINFO_TRANSCEIVER]) {
+ uint8_t val;
+
+ val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKINFO_TRANSCEIVER]);
+ print_banner(nlctx);
+ print_enum(names_transceiver, ARRAY_SIZE(names_transceiver),
+ val, "Transceiver");
+ }
+ if (tb[ETHTOOL_A_LINKINFO_TP_MDIX] && tb[ETHTOOL_A_LINKINFO_TP_MDIX_CTRL] &&
+ port == PORT_TP) {
+ uint8_t mdix = mnl_attr_get_u8(tb[ETHTOOL_A_LINKINFO_TP_MDIX]);
+ uint8_t mdix_ctrl =
+ mnl_attr_get_u8(tb[ETHTOOL_A_LINKINFO_TP_MDIX_CTRL]);
+
+ print_banner(nlctx);
+ dump_mdix(mdix, mdix_ctrl);
+ }
+
+ return MNL_CB_OK;
+}
+
+static const char *get_enum_string(const char *const *string_table, unsigned int n_string_table,
+ unsigned int val)
+{
+ if (val >= n_string_table || !string_table[val])
+ return NULL;
+ else
+ return string_table[val];
+}
+
+static const char *const names_link_ext_state[] = {
+ [ETHTOOL_LINK_EXT_STATE_AUTONEG] = "Autoneg",
+ [ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE] = "Link training failure",
+ [ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH] = "Logical mismatch",
+ [ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY] = "Bad signal integrity",
+ [ETHTOOL_LINK_EXT_STATE_NO_CABLE] = "No cable",
+ [ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE] = "Cable issue",
+ [ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE] = "EEPROM issue",
+ [ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE] = "Calibration failure",
+ [ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED] = "Power budget exceeded",
+ [ETHTOOL_LINK_EXT_STATE_OVERHEAT] = "Overheat",
+ [ETHTOOL_LINK_EXT_STATE_MODULE] = "Module",
+};
+
+static const char *const names_autoneg_link_ext_substate[] = {
+ [ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED] =
+ "No partner detected",
+ [ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED] =
+ "Ack not received",
+ [ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED] =
+ "Next page exchange failed",
+ [ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE] =
+ "No partner detected during force mode",
+ [ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE] =
+ "FEC mismatch during override",
+ [ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD] =
+ "No HCD",
+};
+
+static const char *const names_link_training_link_ext_substate[] = {
+ [ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED] =
+ "KR frame lock not acquired",
+ [ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT] =
+ "KR link inhibit timeout",
+ [ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY] =
+ "KR Link partner did not set receiver ready",
+ [ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT] =
+ "Remote side is not ready yet",
+};
+
+static const char *const names_link_logical_mismatch_link_ext_substate[] = {
+ [ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK] =
+ "PCS did not acquire block lock",
+ [ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK] =
+ "PCS did not acquire AM lock",
+ [ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS] =
+ "PCS did not get align_status",
+ [ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED] =
+ "FC FEC is not locked",
+ [ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED] =
+ "RS FEC is not locked",
+};
+
+static const char *const names_bad_signal_integrity_link_ext_substate[] = {
+ [ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS] =
+ "Large number of physical errors",
+ [ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE] =
+ "Unsupported rate",
+ [ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST] =
+ "Serdes reference clock lost",
+ [ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS] =
+ "Serdes ALOS",
+};
+
+static const char *const names_cable_issue_link_ext_substate[] = {
+ [ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE] =
+ "Unsupported cable",
+ [ETHTOOL_LINK_EXT_SUBSTATE_CI_CABLE_TEST_FAILURE] =
+ "Cable test failure",
+};
+
+static const char *const names_module_link_ext_substate[] = {
+ [ETHTOOL_LINK_EXT_SUBSTATE_MODULE_CMIS_NOT_READY] =
+ "CMIS module is not in ModuleReady state",
+};
+
+static const char *link_ext_substate_get(uint8_t link_ext_state_val, uint8_t link_ext_substate_val)
+{
+ switch (link_ext_state_val) {
+ case ETHTOOL_LINK_EXT_STATE_AUTONEG:
+ return get_enum_string(names_autoneg_link_ext_substate,
+ ARRAY_SIZE(names_autoneg_link_ext_substate),
+ link_ext_substate_val);
+ case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE:
+ return get_enum_string(names_link_training_link_ext_substate,
+ ARRAY_SIZE(names_link_training_link_ext_substate),
+ link_ext_substate_val);
+ case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH:
+ return get_enum_string(names_link_logical_mismatch_link_ext_substate,
+ ARRAY_SIZE(names_link_logical_mismatch_link_ext_substate),
+ link_ext_substate_val);
+ case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY:
+ return get_enum_string(names_bad_signal_integrity_link_ext_substate,
+ ARRAY_SIZE(names_bad_signal_integrity_link_ext_substate),
+ link_ext_substate_val);
+ case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE:
+ return get_enum_string(names_cable_issue_link_ext_substate,
+ ARRAY_SIZE(names_cable_issue_link_ext_substate),
+ link_ext_substate_val);
+ case ETHTOOL_LINK_EXT_STATE_MODULE:
+ return get_enum_string(names_module_link_ext_substate,
+ ARRAY_SIZE(names_module_link_ext_substate),
+ link_ext_substate_val);
+ default:
+ return NULL;
+ }
+}
+
+static void linkstate_link_ext_substate_print(const struct nlattr *tb[],
+ uint8_t link_ext_state_val)
+{
+ uint8_t link_ext_substate_val;
+ const char *link_ext_substate_str;
+
+ if (!tb[ETHTOOL_A_LINKSTATE_EXT_SUBSTATE])
+ return;
+
+ link_ext_substate_val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKSTATE_EXT_SUBSTATE]);
+
+ link_ext_substate_str = link_ext_substate_get(link_ext_state_val, link_ext_substate_val);
+ if (!link_ext_substate_str)
+ printf(", %u", link_ext_substate_val);
+ else
+ printf(", %s", link_ext_substate_str);
+}
+
+static void linkstate_link_ext_state_print(const struct nlattr *tb[])
+{
+ uint8_t link_ext_state_val;
+ const char *link_ext_state_str;
+
+ if (!tb[ETHTOOL_A_LINKSTATE_EXT_STATE])
+ return;
+
+ link_ext_state_val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKSTATE_EXT_STATE]);
+
+ link_ext_state_str = get_enum_string(names_link_ext_state,
+ ARRAY_SIZE(names_link_ext_state),
+ link_ext_state_val);
+ if (!link_ext_state_str)
+ printf(" (%u", link_ext_state_val);
+ else
+ printf(" (%s", link_ext_state_str);
+
+ linkstate_link_ext_substate_print(tb, link_ext_state_val);
+ printf(")");
+}
+
+int linkstate_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+ const struct nlattr *tb[ETHTOOL_A_LINKSTATE_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ struct nl_context *nlctx = data;
+ int ret;
+
+ if (nlctx->is_dump || nlctx->is_monitor)
+ nlctx->no_banner = false;
+ ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return ret;
+ nlctx->devname = get_dev_name(tb[ETHTOOL_A_LINKSTATE_HEADER]);
+ if (!dev_ok(nlctx))
+ return MNL_CB_OK;
+
+ if (tb[ETHTOOL_A_LINKSTATE_LINK]) {
+ uint8_t val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKSTATE_LINK]);
+
+ print_banner(nlctx);
+ printf("\tLink detected: %s", val ? "yes" : "no");
+ linkstate_link_ext_state_print(tb);
+ printf("\n");
+ }
+
+ if (tb[ETHTOOL_A_LINKSTATE_SQI]) {
+ uint32_t val = mnl_attr_get_u32(tb[ETHTOOL_A_LINKSTATE_SQI]);
+
+ print_banner(nlctx);
+ printf("\tSQI: %u", val);
+
+ if (tb[ETHTOOL_A_LINKSTATE_SQI_MAX]) {
+ uint32_t max;
+
+ max = mnl_attr_get_u32(tb[ETHTOOL_A_LINKSTATE_SQI_MAX]);
+ printf("/%u\n", max);
+ } else {
+ printf("\n");
+ }
+ }
+
+ return MNL_CB_OK;
+}
+
+void wol_modes_cb(unsigned int idx, const char *name __maybe_unused, bool val,
+ void *data)
+{
+ struct ethtool_wolinfo *wol = data;
+
+ if (idx >= 32)
+ return;
+ wol->supported |= (1U << idx);
+ if (val)
+ wol->wolopts |= (1U << idx);
+}
+
+int wol_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+ const struct nlattr *tb[ETHTOOL_A_WOL_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ struct nl_context *nlctx = data;
+ struct ethtool_wolinfo wol = {};
+ int ret;
+
+ if (nlctx->is_dump || nlctx->is_monitor)
+ nlctx->no_banner = false;
+ ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return ret;
+ nlctx->devname = get_dev_name(tb[ETHTOOL_A_WOL_HEADER]);
+ if (!dev_ok(nlctx))
+ return MNL_CB_OK;
+
+ if (tb[ETHTOOL_A_WOL_MODES])
+ walk_bitset(tb[ETHTOOL_A_WOL_MODES], NULL, wol_modes_cb, &wol);
+ if (tb[ETHTOOL_A_WOL_SOPASS]) {
+ unsigned int len;
+
+ len = mnl_attr_get_payload_len(tb[ETHTOOL_A_WOL_SOPASS]);
+ if (len != SOPASS_MAX)
+ fprintf(stderr, "invalid SecureOn password length %u (should be %u)\n",
+ len, SOPASS_MAX);
+ else
+ memcpy(wol.sopass,
+ mnl_attr_get_payload(tb[ETHTOOL_A_WOL_SOPASS]),
+ SOPASS_MAX);
+ }
+ print_banner(nlctx);
+ dump_wol(&wol);
+
+ return MNL_CB_OK;
+}
+
+void msgmask_cb(unsigned int idx, const char *name __maybe_unused, bool val,
+ void *data)
+{
+ u32 *msg_mask = data;
+
+ if (idx >= 32)
+ return;
+ if (val)
+ *msg_mask |= (1U << idx);
+}
+
+void msgmask_cb2(unsigned int idx __maybe_unused, const char *name,
+ bool val, void *data __maybe_unused)
+{
+ if (val)
+ printf(" %s", name);
+}
+
+int debug_reply_cb(const struct nlmsghdr *nlhdr, void *data)
+{
+ const struct nlattr *tb[ETHTOOL_A_DEBUG_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ const struct stringset *msgmask_strings = NULL;
+ struct nl_context *nlctx = data;
+ u32 msg_mask = 0;
+ int ret;
+
+ if (nlctx->is_dump || nlctx->is_monitor)
+ nlctx->no_banner = false;
+ ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return ret;
+ nlctx->devname = get_dev_name(tb[ETHTOOL_A_DEBUG_HEADER]);
+ if (!dev_ok(nlctx))
+ return MNL_CB_OK;
+
+ if (!tb[ETHTOOL_A_DEBUG_MSGMASK])
+ return MNL_CB_OK;
+ if (bitset_is_compact(tb[ETHTOOL_A_DEBUG_MSGMASK])) {
+ ret = netlink_init_ethnl2_socket(nlctx);
+ if (ret < 0)
+ return MNL_CB_OK;
+ msgmask_strings = global_stringset(ETH_SS_MSG_CLASSES,
+ nlctx->ethnl2_socket);
+ }
+
+ print_banner(nlctx);
+ walk_bitset(tb[ETHTOOL_A_DEBUG_MSGMASK], NULL, msgmask_cb, &msg_mask);
+ printf(" Current message level: 0x%08x (%u)\n"
+ " ",
+ msg_mask, msg_mask);
+ walk_bitset(tb[ETHTOOL_A_DEBUG_MSGMASK], msgmask_strings, msgmask_cb2,
+ NULL);
+ fputc('\n', stdout);
+
+ return MNL_CB_OK;
+}
+
+static int gset_request(struct nl_socket *nlsk, uint8_t msg_type,
+ uint16_t hdr_attr, mnl_cb_t cb)
+{
+ int ret;
+
+ ret = nlsock_prep_get_request(nlsk, msg_type, hdr_attr, 0);
+ if (ret < 0)
+ return ret;
+ return nlsock_send_get_request(nlsk, cb);
+}
+
+int nl_gset(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_LINKMODES_GET, true) ||
+ netlink_cmd_check(ctx, ETHTOOL_MSG_LINKINFO_GET, true) ||
+ netlink_cmd_check(ctx, ETHTOOL_MSG_WOL_GET, true) ||
+ netlink_cmd_check(ctx, ETHTOOL_MSG_DEBUG_GET, true) ||
+ netlink_cmd_check(ctx, ETHTOOL_MSG_LINKSTATE_GET, true))
+ return -EOPNOTSUPP;
+
+ nlctx->suppress_nlerr = 1;
+
+ ret = gset_request(nlsk, ETHTOOL_MSG_LINKMODES_GET,
+ ETHTOOL_A_LINKMODES_HEADER, linkmodes_reply_cb);
+ if (ret == -ENODEV)
+ return ret;
+
+ ret = gset_request(nlsk, ETHTOOL_MSG_LINKINFO_GET,
+ ETHTOOL_A_LINKINFO_HEADER, linkinfo_reply_cb);
+ if (ret == -ENODEV)
+ return ret;
+
+ ret = gset_request(nlsk, ETHTOOL_MSG_WOL_GET, ETHTOOL_A_WOL_HEADER,
+ wol_reply_cb);
+ if (ret == -ENODEV)
+ return ret;
+
+ ret = gset_request(nlsk, ETHTOOL_MSG_DEBUG_GET, ETHTOOL_A_DEBUG_HEADER,
+ debug_reply_cb);
+ if (ret == -ENODEV)
+ return ret;
+
+ ret = gset_request(nlsk, ETHTOOL_MSG_LINKSTATE_GET,
+ ETHTOOL_A_LINKSTATE_HEADER, linkstate_reply_cb);
+ if (ret == -ENODEV)
+ return ret;
+
+ if (!nlctx->no_banner) {
+ printf("No data available\n");
+ return 75;
+ }
+
+
+ return 0;
+}
+
+/* SET_SETTINGS */
+
+enum {
+ WAKE_PHY_BIT = 0,
+ WAKE_UCAST_BIT = 1,
+ WAKE_MCAST_BIT = 2,
+ WAKE_BCAST_BIT = 3,
+ WAKE_ARP_BIT = 4,
+ WAKE_MAGIC_BIT = 5,
+ WAKE_MAGICSECURE_BIT = 6,
+ WAKE_FILTER_BIT = 7,
+};
+
+#define WAKE_ALL (WAKE_PHY | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_ARP | \
+ WAKE_MAGIC | WAKE_MAGICSECURE)
+
+static const struct lookup_entry_u8 port_values[] = {
+ { .arg = "tp", .val = PORT_TP },
+ { .arg = "aui", .val = PORT_AUI },
+ { .arg = "mii", .val = PORT_MII },
+ { .arg = "fibre", .val = PORT_FIBRE },
+ { .arg = "bnc", .val = PORT_BNC },
+ { .arg = "da", .val = PORT_DA },
+ {}
+};
+
+static const struct lookup_entry_u8 mdix_values[] = {
+ { .arg = "auto", .val = ETH_TP_MDI_AUTO },
+ { .arg = "on", .val = ETH_TP_MDI_X },
+ { .arg = "off", .val = ETH_TP_MDI },
+ {}
+};
+
+static const struct error_parser_data xcvr_parser_data = {
+ .err_msg = "deprecated parameter '%s' not supported by kernel\n",
+ .ret_val = -EINVAL,
+ .extra_args = 1,
+};
+
+static const struct lookup_entry_u8 autoneg_values[] = {
+ { .arg = "off", .val = AUTONEG_DISABLE },
+ { .arg = "on", .val = AUTONEG_ENABLE },
+ {}
+};
+
+static const struct bitset_parser_data advertise_parser_data = {
+ .no_mask = false,
+ .force_hex = true,
+};
+
+static const struct lookup_entry_u32 duplex_values[] = {
+ { .arg = "half", .val = DUPLEX_HALF },
+ { .arg = "full", .val = DUPLEX_FULL },
+ {}
+};
+
+static const struct lookup_entry_u8 master_slave_values[] = {
+ { .arg = "preferred-master", .val = MASTER_SLAVE_CFG_MASTER_PREFERRED },
+ { .arg = "preferred-slave", .val = MASTER_SLAVE_CFG_SLAVE_PREFERRED },
+ { .arg = "forced-master", .val = MASTER_SLAVE_CFG_MASTER_FORCE },
+ { .arg = "forced-slave", .val = MASTER_SLAVE_CFG_SLAVE_FORCE },
+ {}
+};
+
+char wol_bit_chars[WOL_MODE_COUNT] = {
+ [WAKE_PHY_BIT] = 'p',
+ [WAKE_UCAST_BIT] = 'u',
+ [WAKE_MCAST_BIT] = 'm',
+ [WAKE_BCAST_BIT] = 'b',
+ [WAKE_ARP_BIT] = 'a',
+ [WAKE_MAGIC_BIT] = 'g',
+ [WAKE_MAGICSECURE_BIT] = 's',
+ [WAKE_FILTER_BIT] = 'f',
+};
+
+const struct char_bitset_parser_data wol_parser_data = {
+ .bit_chars = wol_bit_chars,
+ .nbits = WOL_MODE_COUNT,
+ .reset_char = 'd',
+};
+
+const struct byte_str_parser_data sopass_parser_data = {
+ .min_len = 6,
+ .max_len = 6,
+ .delim = ':',
+};
+
+static const struct bitset_parser_data msglvl_parser_data = {
+ .no_mask = false,
+ .force_hex = false,
+};
+
+static const struct param_parser sset_params[] = {
+ {
+ .arg = "port",
+ .group = ETHTOOL_MSG_LINKINFO_SET,
+ .type = ETHTOOL_A_LINKINFO_PORT,
+ .handler = nl_parse_lookup_u8,
+ .handler_data = port_values,
+ .min_argc = 1,
+ },
+ {
+ .arg = "mdix",
+ .group = ETHTOOL_MSG_LINKINFO_SET,
+ .type = ETHTOOL_A_LINKINFO_TP_MDIX_CTRL,
+ .handler = nl_parse_lookup_u8,
+ .handler_data = mdix_values,
+ .min_argc = 1,
+ },
+ {
+ .arg = "phyad",
+ .group = ETHTOOL_MSG_LINKINFO_SET,
+ .type = ETHTOOL_A_LINKINFO_PHYADDR,
+ .handler = nl_parse_direct_u8,
+ .min_argc = 1,
+ },
+ {
+ .arg = "xcvr",
+ .group = ETHTOOL_MSG_LINKINFO_SET,
+ .handler = nl_parse_error,
+ .handler_data = &xcvr_parser_data,
+ .min_argc = 1,
+ },
+ {
+ .arg = "autoneg",
+ .group = ETHTOOL_MSG_LINKMODES_SET,
+ .type = ETHTOOL_A_LINKMODES_AUTONEG,
+ .handler = nl_parse_lookup_u8,
+ .handler_data = autoneg_values,
+ .min_argc = 1,
+ },
+ {
+ .arg = "advertise",
+ .group = ETHTOOL_MSG_LINKMODES_SET,
+ .type = ETHTOOL_A_LINKMODES_OURS,
+ .handler = nl_parse_bitset,
+ .handler_data = &advertise_parser_data,
+ .min_argc = 1,
+ },
+ {
+ .arg = "speed",
+ .group = ETHTOOL_MSG_LINKMODES_SET,
+ .type = ETHTOOL_A_LINKMODES_SPEED,
+ .handler = nl_parse_direct_u32,
+ .min_argc = 1,
+ },
+ {
+ .arg = "lanes",
+ .group = ETHTOOL_MSG_LINKMODES_SET,
+ .type = ETHTOOL_A_LINKMODES_LANES,
+ .handler = nl_parse_direct_u32,
+ .min_argc = 1,
+ },
+ {
+ .arg = "duplex",
+ .group = ETHTOOL_MSG_LINKMODES_SET,
+ .type = ETHTOOL_A_LINKMODES_DUPLEX,
+ .handler = nl_parse_lookup_u8,
+ .handler_data = duplex_values,
+ .min_argc = 1,
+ },
+ {
+ .arg = "master-slave",
+ .group = ETHTOOL_MSG_LINKMODES_SET,
+ .type = ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG,
+ .handler = nl_parse_lookup_u8,
+ .handler_data = master_slave_values,
+ .min_argc = 1,
+ },
+ {
+ .arg = "wol",
+ .group = ETHTOOL_MSG_WOL_SET,
+ .type = ETHTOOL_A_WOL_MODES,
+ .handler = nl_parse_char_bitset,
+ .handler_data = &wol_parser_data,
+ .min_argc = 1,
+ },
+ {
+ .arg = "sopass",
+ .group = ETHTOOL_MSG_WOL_SET,
+ .type = ETHTOOL_A_WOL_SOPASS,
+ .handler = nl_parse_byte_str,
+ .handler_data = &sopass_parser_data,
+ .min_argc = 1,
+ },
+ {
+ .arg = "msglvl",
+ .group = ETHTOOL_MSG_DEBUG_SET,
+ .type = ETHTOOL_A_DEBUG_MSGMASK,
+ .handler = nl_parse_bitset,
+ .handler_data = &msglvl_parser_data,
+ .min_argc = 1,
+ },
+ {}
+};
+
+/* Maximum number of request messages sent to kernel; must be equal to the
+ * number of different .group values in sset_params[] array.
+ */
+#define SSET_MAX_MSGS 4
+
+static int linkmodes_reply_advert_all_cb(const struct nlmsghdr *nlhdr,
+ void *data)
+{
+ const struct nlattr *tb[ETHTOOL_A_LINKMODES_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ struct nl_msg_buff *req_msgbuff = data;
+ const struct nlattr *ours_attr;
+ struct nlattr *req_bitset;
+ uint32_t *supported_modes;
+ unsigned int modes_count;
+ unsigned int i;
+ int ret;
+
+ ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return MNL_CB_ERROR;
+ ours_attr = tb[ETHTOOL_A_LINKMODES_OURS];
+ if (!ours_attr)
+ return MNL_CB_ERROR;
+ modes_count = bitset_get_count(tb[ETHTOOL_A_LINKMODES_OURS], &ret);
+ if (ret < 0)
+ return MNL_CB_ERROR;
+ supported_modes = get_compact_bitset_mask(tb[ETHTOOL_A_LINKMODES_OURS]);
+ if (!supported_modes)
+ return MNL_CB_ERROR;
+
+ /* keep only "real" link modes */
+ for (i = 0; i < modes_count; i++)
+ if (!lm_class_match(i, LM_CLASS_REAL))
+ supported_modes[i / 32] &= ~((uint32_t)1 << (i % 32));
+
+ req_bitset = ethnla_nest_start(req_msgbuff, ETHTOOL_A_LINKMODES_OURS);
+ if (!req_bitset)
+ return MNL_CB_ERROR;
+
+ if (ethnla_put_u32(req_msgbuff, ETHTOOL_A_BITSET_SIZE, modes_count) ||
+ ethnla_put(req_msgbuff, ETHTOOL_A_BITSET_VALUE,
+ DIV_ROUND_UP(modes_count, 32) * sizeof(uint32_t),
+ supported_modes) ||
+ ethnla_put(req_msgbuff, ETHTOOL_A_BITSET_MASK,
+ DIV_ROUND_UP(modes_count, 32) * sizeof(uint32_t),
+ supported_modes)) {
+ ethnla_nest_cancel(req_msgbuff, req_bitset);
+ return MNL_CB_ERROR;
+ }
+
+ ethnla_nest_end(req_msgbuff, req_bitset);
+ return MNL_CB_OK;
+}
+
+/* For compatibility reasons with ioctl-based ethtool, when "autoneg on" is
+ * specified without "advertise", "speed", "duplex" and "lanes", we need to
+ * query the supported link modes from the kernel and advertise all the "real"
+ * ones.
+ */
+static int nl_sset_compat_linkmodes(struct nl_context *nlctx,
+ struct nl_msg_buff *msgbuff)
+{
+ const struct nlattr *tb[ETHTOOL_A_LINKMODES_MAX + 1] = {};
+ DECLARE_ATTR_TB_INFO(tb);
+ struct nl_socket *nlsk = nlctx->ethnl_socket;
+ int ret;
+
+ ret = mnl_attr_parse(msgbuff->nlhdr, GENL_HDRLEN, attr_cb, &tb_info);
+ if (ret < 0)
+ return ret;
+ if (!tb[ETHTOOL_A_LINKMODES_AUTONEG] || tb[ETHTOOL_A_LINKMODES_OURS] ||
+ tb[ETHTOOL_A_LINKMODES_SPEED] || tb[ETHTOOL_A_LINKMODES_DUPLEX] ||
+ tb[ETHTOOL_A_LINKMODES_LANES])
+ return 0;
+ if (!mnl_attr_get_u8(tb[ETHTOOL_A_LINKMODES_AUTONEG]))
+ return 0;
+
+ /* all conditions satisfied, create ETHTOOL_A_LINKMODES_OURS */
+ if (netlink_cmd_check(nlctx->ctx, ETHTOOL_MSG_LINKMODES_GET, false) ||
+ netlink_cmd_check(nlctx->ctx, ETHTOOL_MSG_LINKMODES_SET, false))
+ return -EOPNOTSUPP;
+ ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_LINKMODES_GET,
+ ETHTOOL_A_LINKMODES_HEADER,
+ ETHTOOL_FLAG_COMPACT_BITSETS);
+ if (ret < 0)
+ return ret;
+ ret = nlsock_sendmsg(nlsk, NULL);
+ if (ret < 0)
+ return ret;
+ return nlsock_process_reply(nlsk, linkmodes_reply_advert_all_cb,
+ msgbuff);
+}
+
+int nl_sset(struct cmd_context *ctx)
+{
+ struct nl_msg_buff *msgbuffs[SSET_MAX_MSGS] = {};
+ struct nl_context *nlctx = ctx->nlctx;
+ unsigned int i;
+ int ret;
+
+ nlctx->cmd = "-s";
+ nlctx->argp = ctx->argp;
+ nlctx->argc = ctx->argc;
+ nlctx->devname = ctx->devname;
+
+ ret = nl_parser(nlctx, sset_params, NULL, PARSER_GROUP_MSG, msgbuffs);
+ if (ret < 0) {
+ ret = 1;
+ goto out_free;
+ }
+
+ for (i = 0; i < SSET_MAX_MSGS && msgbuffs[i]; i++) {
+ struct nl_socket *nlsk = nlctx->ethnl_socket;
+
+ if (msgbuffs[i]->genlhdr->cmd == ETHTOOL_MSG_LINKMODES_SET) {
+ ret = nl_sset_compat_linkmodes(nlctx, msgbuffs[i]);
+ if (ret < 0)
+ goto out_free;
+ }
+ ret = nlsock_sendmsg(nlsk, msgbuffs[i]);
+ if (ret < 0)
+ goto out_free;
+ ret = nlsock_process_reply(nlsk, nomsg_reply_cb, NULL);
+ if (ret < 0)
+ goto out_free;
+ }
+
+out_free:
+ for (i = 0; i < SSET_MAX_MSGS && msgbuffs[i]; i++) {
+ msgbuff_done(msgbuffs[i]);
+ free(msgbuffs[i]);
+ }
+ if (ret >= 0)
+ return ret;
+ return nlctx->exit_code ?: 75;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 19:50:09 +0000