#include "build.h"
#include "util.h"
#include "pager.h"
+#include "lldp.h"
#include "rtnl-util.h"
#include "udev-util.h"
#include "hwdb-util.h"
return 0;
}
+const char *lldp_system_capability_to_string(LLDPSystemCapabilities d) _const_;
+LLDPSystemCapabilities lldp_system_capability_from_string(const char *d) _pure_;
+
+static const char* const lldp_system_capability_table[_LLDP_SYSTEM_CAPABILITIES_MAX + 1] = {
+ [LLDP_SYSTEM_CAPABILITIES_OTHER] = "O",
+ [LLDP_SYSTEM_CAPABILITIES_REPEATER] = "P",
+ [LLDP_SYSTEM_CAPABILITIES_BRIDGE] = "B",
+ [LLDP_SYSTEM_CAPABILITIES_WLAN_AP] = "W",
+ [LLDP_SYSTEM_CAPABILITIES_ROUTER] = "R",
+ [LLDP_SYSTEM_CAPABILITIES_PHONE] = "T",
+ [LLDP_SYSTEM_CAPABILITIES_DOCSIS] = "D",
+ [LLDP_SYSTEM_CAPABILITIES_STATION] = "A",
+ [LLDP_SYSTEM_CAPABILITIES_CVLAN] = "C",
+ [LLDP_SYSTEM_CAPABILITIES_SVLAN] = "S",
+ [LLDP_SYSTEM_CAPABILITIES_TPMR] = "M",
+ [_LLDP_SYSTEM_CAPABILITIES_MAX] = "N/A",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(lldp_system_capability, LLDPSystemCapabilities);
+
+static char *lldp_system_caps(uint16_t cap) {
+ _cleanup_free_ char *s = NULL, *t = NULL;
+ char *capability;
+
+ t = strdup("[ ");
+ if (!t)
+ return NULL;
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_OTHER) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_OTHER), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_REPEATER) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_REPEATER), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_BRIDGE) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_BRIDGE), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_WLAN_AP) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_WLAN_AP), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_ROUTER) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_ROUTER), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_PHONE) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_PHONE), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_DOCSIS) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_DOCSIS), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_STATION) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_STATION), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_CVLAN) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_CVLAN), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_SVLAN) {
+ s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_SVLAN), " ", NULL);
+ if (!s)
+ return NULL;
+
+ free(t);
+ t = s;
+ }
+
+ if (cap & LLDP_SYSTEM_CAPABILITIES_TPMR) {
+ s = strappend(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_TPMR));
+ if (!s)
+ return NULL;
+
+ free(t);
+ }
+
+ if (!s) {
+ s = strappend(t, lldp_system_capability_to_string(_LLDP_SYSTEM_CAPABILITIES_MAX));
+ if (!s)
+ return NULL;
+
+ free(t);
+ }
+
+ t = strappend(s, "]");
+ if (!s)
+ return NULL;
+
+ free(s);
+ capability = t;
+
+ s = NULL;
+ t = NULL;
+
+ return capability;
+}
+
+static int link_lldp_status(int argc, char *argv[], void *userdata) {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
+ _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
+ _cleanup_free_ LinkInfo *links = NULL;
+ const char *state, *word;
+
+ usec_t time, until, ttl;
+ uint32_t capability;
+ char buf[LINE_MAX];
+ int i, r, c, j;
+ size_t ll;
+ char **s;
+
+ pager_open_if_enabled();
+
+ r = sd_rtnl_open(&rtnl, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to netlink: %m");
+
+ r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
+ if (r < 0)
+ return rtnl_log_create_error(r);
+
+ r = sd_rtnl_message_request_dump(req, true);
+ if (r < 0)
+ return rtnl_log_create_error(r);
+
+ r = sd_rtnl_call(rtnl, req, 0, &reply);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate links: %m");
+
+ c = decode_and_sort_links(reply, &links);
+ if (c < 0)
+ return rtnl_log_parse_error(c);
+
+ printf("Capability Codes: (O) - Other, (P) - Repeater, (B) - Bridge , (W) - WLAN Access Point, (R) = Router, (T) - Telephone,\n"
+ "(D) - Data Over Cable Service Interface Specifications, (A) - Station, (C) - Customer VLAN, (S) - Service VLAN,\n"
+ "(M) - Two-port MAC Relay (TPMR)\n\n");
+
+ printf("%s %16s %24s %16s %16s\n", "Local Intf", "Device ID", "Port ID", "TTL", "Capability");
+
+ for (i = j = 0; i < c; i++) {
+ _cleanup_free_ char *chassis = NULL, *port = NULL, *cap = NULL, *lldp = NULL;
+ _cleanup_strv_free_ char **l = NULL;
+
+ r = sd_network_link_get_lldp(links[i].ifindex, &lldp);
+ if (r < 0)
+ continue;
+
+ l = strv_split_newlines(lldp);
+ if (!l)
+ return -ENOMEM;
+
+ STRV_FOREACH(s, l) {
+ FOREACH_WORD_QUOTED(word, ll, *s, state) {
+ _cleanup_free_ char *t = NULL, *a = NULL, *b = NULL;
+
+ t = strndup(word, ll);
+ if (!t)
+ return -ENOMEM;
+
+ r = split_pair(t, "=", &a, &b);
+ if (r < 0)
+ continue;
+
+ if (streq(a, "_Chassis")) {
+
+ memzero(buf, LINE_MAX);
+
+ chassis = strdup(b);
+ if (!chassis)
+ return -ENOMEM;
+
+ } else if (streq(a, "_Port")) {
+
+ port = strdup(b);
+ if (!port)
+ return -ENOMEM;
+
+ } else if (streq(a, "_TTL")) {
+
+ time = now(CLOCK_BOOTTIME);
+
+ sscanf(b, "%lu", &until);
+
+ ttl = (until - time) / USEC_PER_SEC;
+
+
+ } else if (streq(a, "_CAP")) {
+ sscanf(b, "%x", &capability);
+
+ cap = lldp_system_caps(capability);
+ }
+
+ }
+
+ if (until > time) {
+ printf("%10s %24s %16s %16lu %16s\n", links[i].name, chassis, port, ttl, cap);
+ j++;
+ }
+ }
+ }
+
+ printf("\nTotal entries displayed: %d\n", j);
+
+ return 0;
+}
+
static void help(void) {
printf("%s [OPTIONS...]\n\n"
"Query and control the networking subsystem.\n\n"
"Commands:\n"
" list List links\n"
" status LINK Show link status\n"
+ " lldp Show lldp information\n"
, program_invocation_short_name);
}
const Verb verbs[] = {
{ "list", VERB_ANY, 1, VERB_DEFAULT, list_links },
{ "status", 1, VERB_ANY, 0, link_status },
+ { "lldp", VERB_ANY, 1, VERB_DEFAULT, link_lldp_status },
{}
};
~ianmdlvl / elogind.git / blobdiff