@@ -30,6 +30,7 @@ ethtool_SOURCES += \
netlink/msgbuff.c netlink/msgbuff.h netlink/nlsock.c \
netlink/nlsock.h netlink/strset.c netlink/strset.h \
netlink/monitor.c netlink/bitset.c netlink/bitset.h \
+ netlink/settings.c \
uapi/linux/ethtool_netlink.h \
uapi/linux/netlink.h uapi/linux/genetlink.h
ethtool_CFLAGS += @MNL_CFLAGS@
@@ -5805,6 +5805,7 @@ int main(int argc, char **argp)
}
if ((*argp)[0] == '-')
exit_bad_args();
+ nlfunc = nl_gset;
func = do_gset;
no_dev = false;
@@ -15,6 +15,7 @@ struct nl_context;
int netlink_init(struct cmd_context *ctx);
void netlink_done(struct cmd_context *ctx);
+int nl_gset(struct cmd_context *ctx);
int nl_monitor(struct cmd_context *ctx);
void nl_monitor_usage(void);
@@ -34,6 +35,8 @@ static inline void nl_monitor_usage(void)
{
}
+#define nl_gset NULL
+
#endif /* ETHTOOL_ENABLE_NETLINK */
#endif /* ETHTOOL_EXTAPI_H__ */
@@ -15,6 +15,14 @@ static struct {
uint8_t cmd;
mnl_cb_t cb;
} monitor_callbacks[] = {
+ {
+ .cmd = ETHTOOL_MSG_LINKMODES_NTF,
+ .cb = linkmodes_reply_cb,
+ },
+ {
+ .cmd = ETHTOOL_MSG_LINKINFO_NTF,
+ .cb = linkinfo_reply_cb,
+ },
};
static void clear_filter(struct nl_context *nlctx)
@@ -70,6 +78,14 @@ static struct monitor_option monitor_opts[] = {
.pattern = "|--all",
.cmd = 0,
},
+ {
+ .pattern = "-s|--change",
+ .cmd = ETHTOOL_MSG_LINKINFO_NTF,
+ },
+ {
+ .pattern = "-s|--change",
+ .cmd = ETHTOOL_MSG_LINKMODES_NTF,
+ },
};
static bool pattern_match(const char *s, const char *pattern)
@@ -46,6 +46,9 @@ int attr_cb(const struct nlattr *attr, void *data);
const char *get_dev_name(const struct nlattr *nest);
int get_dev_info(const struct nlattr *nest, int *ifindex, char *ifname);
+int linkmodes_reply_cb(const struct nlmsghdr *nlhdr, void *data);
+int linkinfo_reply_cb(const struct nlmsghdr *nlhdr, void *data);
+
static inline void copy_devname(char *dst, const char *src)
{
strncpy(dst, src, ALTIFNAMSIZ);
new file mode 100644
@@ -0,0 +1,641 @@
+/*
+ * 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"
+
+/* GET_SETTINGS */
+
+enum link_mode_class {
+ LM_CLASS_UNKNOWN,
+ LM_CLASS_REAL,
+ LM_CLASS_AUTONEG,
+ LM_CLASS_PORT,
+ LM_CLASS_PAUSE,
+ LM_CLASS_FEC,
+};
+
+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_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
+ */
+static const struct link_mode_info link_modes[] = {
+ [ETHTOOL_LINK_MODE_10baseT_Half_BIT] =
+ { LM_CLASS_REAL, 10, DUPLEX_HALF },
+ [ETHTOOL_LINK_MODE_10baseT_Full_BIT] =
+ { LM_CLASS_REAL, 10, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100baseT_Half_BIT] =
+ { LM_CLASS_REAL, 100, DUPLEX_HALF },
+ [ETHTOOL_LINK_MODE_100baseT_Full_BIT] =
+ { LM_CLASS_REAL, 100, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_1000baseT_Half_BIT] =
+ { LM_CLASS_REAL, 1000, DUPLEX_HALF },
+ [ETHTOOL_LINK_MODE_1000baseT_Full_BIT] =
+ { LM_CLASS_REAL, 1000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_Autoneg_BIT] =
+ { LM_CLASS_AUTONEG },
+ [ETHTOOL_LINK_MODE_TP_BIT] =
+ { LM_CLASS_PORT },
+ [ETHTOOL_LINK_MODE_AUI_BIT] =
+ { LM_CLASS_PORT },
+ [ETHTOOL_LINK_MODE_MII_BIT] =
+ { LM_CLASS_PORT },
+ [ETHTOOL_LINK_MODE_FIBRE_BIT] =
+ { LM_CLASS_PORT },
+ [ETHTOOL_LINK_MODE_BNC_BIT] =
+ { LM_CLASS_PORT },
+ [ETHTOOL_LINK_MODE_10000baseT_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_Pause_BIT] =
+ { LM_CLASS_PAUSE },
+ [ETHTOOL_LINK_MODE_Asym_Pause_BIT] =
+ { LM_CLASS_PAUSE },
+ [ETHTOOL_LINK_MODE_2500baseX_Full_BIT] =
+ { LM_CLASS_REAL, 2500, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_Backplane_BIT] =
+ { LM_CLASS_PORT },
+ [ETHTOOL_LINK_MODE_1000baseKX_Full_BIT] =
+ { LM_CLASS_REAL, 1000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseKR_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT] =
+ { LM_CLASS_REAL, 20000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT] =
+ { LM_CLASS_REAL, 20000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT] =
+ { LM_CLASS_REAL, 40000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT] =
+ { LM_CLASS_REAL, 40000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT] =
+ { LM_CLASS_REAL, 40000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT] =
+ { LM_CLASS_REAL, 40000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT] =
+ { LM_CLASS_REAL, 56000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT] =
+ { LM_CLASS_REAL, 56000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT] =
+ { LM_CLASS_REAL, 56000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT] =
+ { LM_CLASS_REAL, 56000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_25000baseCR_Full_BIT] =
+ { LM_CLASS_REAL, 25000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_25000baseKR_Full_BIT] =
+ { LM_CLASS_REAL, 25000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_25000baseSR_Full_BIT] =
+ { LM_CLASS_REAL, 25000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_1000baseX_Full_BIT] =
+ { LM_CLASS_REAL, 1000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseCR_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseSR_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseLR_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_10000baseER_Full_BIT] =
+ { LM_CLASS_REAL, 10000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_2500baseT_Full_BIT] =
+ { LM_CLASS_REAL, 2500, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_5000baseT_Full_BIT] =
+ { LM_CLASS_REAL, 5000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_FEC_NONE_BIT] =
+ { LM_CLASS_FEC },
+ [ETHTOOL_LINK_MODE_FEC_RS_BIT] =
+ { LM_CLASS_FEC },
+ [ETHTOOL_LINK_MODE_FEC_BASER_BIT] =
+ { LM_CLASS_FEC },
+ [ETHTOOL_LINK_MODE_50000baseKR_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_50000baseSR_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_50000baseCR_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_50000baseDR_Full_BIT] =
+ { LM_CLASS_REAL, 50000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT] =
+ { LM_CLASS_REAL, 100000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT] =
+ { LM_CLASS_REAL, 200000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT] =
+ { LM_CLASS_REAL, 200000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT] =
+ { LM_CLASS_REAL, 200000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT] =
+ { LM_CLASS_REAL, 200000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT] =
+ { LM_CLASS_REAL, 200000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_100baseT1_Full_BIT] =
+ { LM_CLASS_REAL, 100, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_1000baseT1_Full_BIT] =
+ { LM_CLASS_REAL, 1000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT] =
+ { LM_CLASS_REAL, 400000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT] =
+ { LM_CLASS_REAL, 400000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT] =
+ { LM_CLASS_REAL, 400000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT] =
+ { LM_CLASS_REAL, 400000, DUPLEX_FULL },
+ [ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT] =
+ { LM_CLASS_REAL, 400000, DUPLEX_FULL },
+};
+const unsigned int link_modes_count = ARRAY_SIZE(link_modes);
+
+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, bool *first)
+{
+ if (!*first)
+ return;
+ printf("Settings for %s:\n", nlctx->devname);
+ *first = false;
+}
+
+static 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);
+ const struct nlattr *bits;
+ const struct nlattr *bit;
+ bool first = true;
+ int prev = -2;
+ int ret;
+
+ ret = mnl_attr_parse_nested(bitset, attr_cb, &bitset_tb_info);
+ bits = bitset_tb[ETHTOOL_A_BITSET_BITS];
+ if (ret < 0)
+ goto err_nonl;
+ 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[10];
+
+ 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 && (prev == idx - 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 && !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) && (prev == idx - 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(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 *first)
+{
+ bool autoneg;
+ int ret;
+
+ print_banner(nlctx, first);
+ 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, true, 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 *first)
+{
+ bool autoneg;
+ int ret;
+
+ print_banner(nlctx, first);
+ 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, true, LM_CLASS_FEC,
+ "Link partner advertised FEC modes: ",
+ " ", "\n", "No");
+ 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;
+ bool first = true;
+ int ret;
+
+ 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],
+ &first);
+ if (ret < 0)
+ goto err;
+ }
+ if (tb[ETHTOOL_A_LINKMODES_PEER]) {
+ ret = dump_peer_modes(nlctx, tb[ETHTOOL_A_LINKMODES_PEER],
+ &first);
+ 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, &first);
+ 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_DUPLEX]) {
+ uint8_t val = mnl_attr_get_u8(tb[ETHTOOL_A_LINKMODES_DUPLEX]);
+
+ print_banner(nlctx, &first);
+ 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, &first);
+ printf("\tAuto-negotiation: %s\n",
+ (autoneg == AUTONEG_DISABLE) ? "off" : "on");
+ }
+
+ 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;
+ bool first = true;
+ int port = -1;
+ int ret;
+
+ 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, &first);
+ 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, &first);
+ 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, &first);
+ print_enum(names_transceiver, ARRAY_SIZE(names_transceiver),
+ val, "Transceiver");
+ }
+ if (tb[ETHTOOL_A_LINKINFO_TP_MDIX] && tb[ETHTOOL_A_LINKINFO_TP_MDIX] &&
+ 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, &first);
+ dump_mdix(mdix, mdix_ctrl);
+ }
+
+ return MNL_CB_OK;
+}
+
+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;
+ bool first = true;
+ int ret;
+
+ 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, &first);
+ printf("\tLink detected: %s\n", val ? "yes" : "no");
+ }
+
+ return MNL_CB_OK;
+}
+
+int nl_gset(struct cmd_context *ctx)
+{
+ struct nl_context *nlctx = ctx->nlctx;
+ struct nl_socket *nlsk = nlctx->ethnl_socket;
+ int ret;
+
+ ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_LINKMODES_GET,
+ ETHTOOL_A_LINKMODES_HEADER, 0);
+ if (ret < 0)
+ goto err;
+ ret = nlsock_send_get_request(nlsk, linkmodes_reply_cb);
+ if (ret < 0)
+ goto err;
+
+ ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_LINKINFO_GET,
+ ETHTOOL_A_LINKINFO_HEADER, 0);
+ if (ret < 0)
+ goto err;
+ ret = nlsock_send_get_request(nlsk, linkinfo_reply_cb);
+ if (ret < 0)
+ goto err;
+
+ ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_LINKSTATE_GET,
+ ETHTOOL_A_LINKSTATE_HEADER, 0);
+ if (ret < 0)
+ goto err;
+ ret = nlsock_send_get_request(nlsk, linkstate_reply_cb);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+err:
+ return 75;
+}
Partially implement "ethtool <dev>" subcommand. This commit retrieves and displays information provided by ETHTOOL_MSG_LINKINFO_GET, ETHTOOL_MSG_LINKMODES_GET and ETHTOOL_MSG_LINKSTATE_GET netlink requests, i.e. everything except wake-on-lan and debugging (msglevel). Also register the callbacks in monitor so that corresponding notifications can be displayed with "ethtool --monitor". Signed-off-by: Michal Kubecek <mkubecek@suse.cz> --- Makefile.am | 1 + ethtool.c | 1 + netlink/extapi.h | 3 + netlink/monitor.c | 16 ++ netlink/netlink.h | 3 + netlink/settings.c | 641 +++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 665 insertions(+) create mode 100644 netlink/settings.c