27 #include <netlink-private/netlink.h>
28 #include <netlink/netlink.h>
29 #include <netlink/utils.h>
30 #include <linux/socket.h>
57 static void __init nl_debug_init(
void)
61 if ((nldbg = getenv(
"NLDBG"))) {
62 long level = strtol(nldbg, &end, 0);
67 nl_debug_dp.
dp_fd = stderr;
71 int __nl_read_num_str_file(
const char *path,
int (*cb)(
long,
const char *))
76 fd = fopen(path,
"r");
78 return -nl_syserr2nlerr(errno);
80 while (fgets(buf,
sizeof(buf), fd)) {
85 if (*buf ==
'#' || *buf ==
'\n' || *buf ==
'\r')
88 num = strtol(buf, &end, 0);
94 if (num == LONG_MIN || num == LONG_MAX) {
99 while (*end ==
' ' || *end ==
'\t')
102 goodlen = strcspn(end,
"#\r\n\t ");
141 if (l >= 1099511627776LL) {
143 return ((
double) l) / 1099511627776LL;
144 }
else if (l >= 1073741824) {
146 return ((
double) l) / 1073741824;
147 }
else if (l >= 1048576) {
149 return ((
double) l) / 1048576;
150 }
else if (l >= 1024) {
152 return ((
double) l) / 1024;
172 if (l >= 1000000000000ULL) {
174 return ((
double) l) / 1000000000000ULL;
177 if (l >= 1000000000) {
179 return ((
double) l) / 1000000000;
184 return ((
double) l) / 1000000;
189 return ((
double) l) / 1000;
196 int nl_rate2str(
unsigned long long rate,
int type,
char *buf,
size_t len)
214 return snprintf(buf, len,
"%.2f%s/s", frac, unit);
231 return ((
double) l) / 1000000;
232 }
else if (l >= 1000) {
234 return ((
double) l) / 1000;
267 long l = strtol(str, &p, 0);
272 if (!strcasecmp(p,
"kb") || !strcasecmp(p,
"k"))
274 else if (!strcasecmp(p,
"gb") || !strcasecmp(p,
"g"))
276 else if (!strcasecmp(p,
"gbit"))
278 else if (!strcasecmp(p,
"mb") || !strcasecmp(p,
"m"))
280 else if (!strcasecmp(p,
"mbit"))
282 else if (!strcasecmp(p,
"kbit"))
284 else if (!strcasecmp(p,
"bit"))
286 else if (strcasecmp(p,
"b") != 0)
293 static const struct {
297 { 1024. * 1024. * 1024. * 1024. * 1024.,
"EiB" },
298 { 1024. * 1024. * 1024. * 1024.,
"TiB" },
299 { 1024. * 1024. * 1024.,
"GiB" },
300 { 1024. * 1024.,
"MiB" },
332 snprintf(buf, len,
"0B");
336 for (i = 0; i < ARRAY_SIZE(size_units); i++) {
337 if (size >= size_units[i].limit) {
338 snprintf(buf, len,
"%.2g%s",
339 (
double) size / size_units[i].limit,
364 double d = strtod(str, &p);
372 if (d > 1.0f || d < 0.0f)
375 if (*p && strcmp(p,
"%") != 0)
392 static uint32_t user_hz = USER_HZ;
393 static uint32_t psched_hz = USER_HZ;
395 static double ticks_per_usec = 1.0f;
406 static void __init get_psched_settings(
void)
408 char name[FILENAME_MAX];
413 long hz = strtol(getenv(
"HZ"), NULL, 0);
415 if (LONG_MIN != hz && LONG_MAX != hz) {
422 user_hz = sysconf(_SC_CLK_TCK);
426 if (getenv(
"TICKS_PER_USEC")) {
427 double t = strtod(getenv(
"TICKS_PER_USEC"), NULL);
431 if (getenv(
"PROC_NET_PSCHED"))
432 snprintf(name,
sizeof(name),
"%s", getenv(
"PROC_NET_PSCHED"));
433 else if (getenv(
"PROC_ROOT"))
434 snprintf(name,
sizeof(name),
"%s/net/psched",
435 getenv(
"PROC_ROOT"));
437 strncpy(name,
"/proc/net/psched",
sizeof(name) - 1);
439 if ((fd = fopen(name,
"r"))) {
440 unsigned int ns_per_usec, ns_per_tick, nom, denom;
442 if (fscanf(fd,
"%08x %08x %08x %08x",
443 &ns_per_usec, &ns_per_tick, &nom, &denom) != 4) {
444 NL_DBG(1,
"Fatal error: can not read psched settings from \"%s\". " \
445 "Try to set TICKS_PER_USEC, PROC_NET_PSCHED or PROC_ROOT " \
446 "environment variables\n", name);
450 ticks_per_usec = (double) ns_per_usec /
451 (
double) ns_per_tick;
485 return us * ticks_per_usec;
496 return ticks / ticks_per_usec;
499 int nl_str2msec(
const char *str, uint64_t *result)
501 uint64_t total = 0, l;
506 l = strtoul(str, &p, 0);
510 plen = strcspn(p,
" \t");
514 else if (!strncasecmp(p,
"sec", plen))
516 else if (!strncasecmp(p,
"min", plen))
517 total += (l * 1000*60);
518 else if (!strncasecmp(p,
"hour", plen))
519 total += (l * 1000*60*60);
520 else if (!strncasecmp(p,
"day", plen))
521 total += (l * 1000*60*60*24);
528 }
while (*str && *p);
551 static const char *units[5] = {
"d",
"h",
"m",
"s",
"msec"};
552 char *
const buf_orig = buf;
555 snprintf(buf, len,
"0msec");
559 #define _SPLIT(idx, unit) if ((split[idx] = msec / unit)) msec %= unit
567 for (i = 0; i < ARRAY_SIZE(split) && len; i++) {
571 l = snprintf(buf, len,
"%s%" PRIu64
"%s",
572 (buf==buf_orig) ?
"" :
" ", split[i], units[i]);
587 static const struct trans_tbl nlfamilies[] = {
588 __ADD(NETLINK_ROUTE,route),
589 __ADD(NETLINK_USERSOCK,usersock),
590 __ADD(NETLINK_FIREWALL,firewall),
591 __ADD(NETLINK_INET_DIAG,inetdiag),
592 __ADD(NETLINK_NFLOG,nflog),
593 __ADD(NETLINK_XFRM,xfrm),
594 __ADD(NETLINK_SELINUX,selinux),
595 __ADD(NETLINK_ISCSI,iscsi),
596 __ADD(NETLINK_AUDIT,audit),
597 __ADD(NETLINK_FIB_LOOKUP,fib_lookup),
598 __ADD(NETLINK_CONNECTOR,connector),
599 __ADD(NETLINK_NETFILTER,netfilter),
600 __ADD(NETLINK_IP6_FW,ip6_fw),
601 __ADD(NETLINK_DNRTMSG,dnrtmsg),
602 __ADD(NETLINK_KOBJECT_UEVENT,kobject_uevent),
603 __ADD(NETLINK_GENERIC,
generic),
604 __ADD(NETLINK_SCSITRANSPORT,scsitransport),
605 __ADD(NETLINK_ECRYPTFS,ecryptfs),
606 __ADD(NETLINK_RDMA,rdma),
607 __ADD(NETLINK_CRYPTO,crypto),
610 char * nl_nlfamily2str(
int family,
char *buf,
size_t size)
612 return __type2str(family, buf, size, nlfamilies,
613 ARRAY_SIZE(nlfamilies));
616 int nl_str2nlfamily(
const char *name)
618 return __str2type(name, nlfamilies, ARRAY_SIZE(nlfamilies));
630 static const struct trans_tbl llprotos[] = {
632 __ADD(ARPHRD_NETROM,netrom),
633 __ADD(ARPHRD_ETHER,ether),
634 __ADD(ARPHRD_EETHER,eether),
635 __ADD(ARPHRD_AX25,ax25),
636 __ADD(ARPHRD_PRONET,pronet),
637 __ADD(ARPHRD_CHAOS,chaos),
638 __ADD(ARPHRD_IEEE802,ieee802),
639 __ADD(ARPHRD_ARCNET,arcnet),
640 __ADD(ARPHRD_APPLETLK,atalk),
641 __ADD(ARPHRD_DLCI,dlci),
642 __ADD(ARPHRD_ATM,atm),
643 __ADD(ARPHRD_METRICOM,metricom),
644 __ADD(ARPHRD_IEEE1394,ieee1394),
645 __ADD(ARPHRD_EUI64,eui64),
646 __ADD(ARPHRD_INFINIBAND,infiniband),
647 __ADD(ARPHRD_SLIP,slip),
648 __ADD(ARPHRD_CSLIP,cslip),
649 __ADD(ARPHRD_SLIP6,slip6),
650 __ADD(ARPHRD_CSLIP6,cslip6),
651 __ADD(ARPHRD_RSRVD,rsrvd),
652 __ADD(ARPHRD_ADAPT,adapt),
653 __ADD(ARPHRD_ROSE,rose),
654 __ADD(ARPHRD_X25,x25),
655 __ADD(ARPHRD_HWX25,hwx25),
656 __ADD(ARPHRD_CAN,can),
657 __ADD(ARPHRD_PPP,ppp),
658 __ADD(ARPHRD_CISCO,cisco),
659 __ADD(ARPHRD_HDLC,hdlc),
660 __ADD(ARPHRD_LAPB,lapb),
661 __ADD(ARPHRD_DDCMP,ddcmp),
662 __ADD(ARPHRD_RAWHDLC,rawhdlc),
663 __ADD(ARPHRD_TUNNEL,ipip),
664 __ADD(ARPHRD_TUNNEL6,tunnel6),
665 __ADD(ARPHRD_FRAD,frad),
666 __ADD(ARPHRD_SKIP,skip),
667 __ADD(ARPHRD_LOOPBACK,loopback),
668 __ADD(ARPHRD_LOCALTLK,localtlk),
669 __ADD(ARPHRD_FDDI,fddi),
670 __ADD(ARPHRD_BIF,bif),
671 __ADD(ARPHRD_SIT,sit),
672 __ADD(ARPHRD_IPDDP,ip/ddp),
673 __ADD(ARPHRD_IPGRE,gre),
674 __ADD(ARPHRD_PIMREG,pimreg),
675 __ADD(ARPHRD_HIPPI,hippi),
676 __ADD(ARPHRD_ASH,ash),
677 __ADD(ARPHRD_ECONET,econet),
678 __ADD(ARPHRD_IRDA,irda),
679 __ADD(ARPHRD_FCPP,fcpp),
680 __ADD(ARPHRD_FCAL,fcal),
681 __ADD(ARPHRD_FCPL,fcpl),
682 __ADD(ARPHRD_FCFABRIC,fcfb_0),
683 __ADD(ARPHRD_FCFABRIC+1,fcfb_1),
684 __ADD(ARPHRD_FCFABRIC+2,fcfb_2),
685 __ADD(ARPHRD_FCFABRIC+3,fcfb_3),
686 __ADD(ARPHRD_FCFABRIC+4,fcfb_4),
687 __ADD(ARPHRD_FCFABRIC+5,fcfb_5),
688 __ADD(ARPHRD_FCFABRIC+6,fcfb_6),
689 __ADD(ARPHRD_FCFABRIC+7,fcfb_7),
690 __ADD(ARPHRD_FCFABRIC+8,fcfb_8),
691 __ADD(ARPHRD_FCFABRIC+9,fcfb_9),
692 __ADD(ARPHRD_FCFABRIC+10,fcfb_10),
693 __ADD(ARPHRD_FCFABRIC+11,fcfb_11),
694 __ADD(ARPHRD_FCFABRIC+12,fcfb_12),
695 __ADD(ARPHRD_IEEE802_TR,tr),
696 __ADD(ARPHRD_IEEE80211,ieee802.11),
697 __ADD(ARPHRD_IEEE80211_PRISM,ieee802.11_prism),
698 __ADD(ARPHRD_IEEE80211_RADIOTAP,ieee802.11_radiotap),
699 __ADD(ARPHRD_IEEE802154,ieee802.15.4),
700 __ADD(ARPHRD_IEEE802154_MONITOR,ieee802.15.4_monitor),
701 __ADD(ARPHRD_PHONET,phonet),
702 __ADD(ARPHRD_PHONET_PIPE,phonet_pipe),
703 __ADD(ARPHRD_CAIF,caif),
704 __ADD(ARPHRD_IP6GRE,ip6gre),
705 __ADD(ARPHRD_NETLINK,netlink),
706 __ADD(ARPHRD_6LOWPAN,6lowpan),
707 __ADD(ARPHRD_VOID,
void),
708 __ADD(ARPHRD_NONE,nohdr),
711 char * nl_llproto2str(
int llproto,
char *buf,
size_t len)
713 return __type2str(llproto, buf, len, llprotos, ARRAY_SIZE(llprotos));
716 int nl_str2llproto(
const char *name)
718 return __str2type(name, llprotos, ARRAY_SIZE(llprotos));
729 static const struct trans_tbl ether_protos[] = {
730 __ADD(ETH_P_LOOP,loop),
731 __ADD(ETH_P_PUP,pup),
732 __ADD(ETH_P_PUPAT,pupat),
734 __ADD(ETH_P_X25,x25),
735 __ADD(ETH_P_ARP,arp),
736 __ADD(ETH_P_BPQ,bpq),
737 __ADD(ETH_P_IEEEPUP,ieeepup),
738 __ADD(ETH_P_IEEEPUPAT,ieeepupat),
739 __ADD(ETH_P_DEC,dec),
740 __ADD(ETH_P_DNA_DL,dna_dl),
741 __ADD(ETH_P_DNA_RC,dna_rc),
742 __ADD(ETH_P_DNA_RT,dna_rt),
743 __ADD(ETH_P_LAT,lat),
744 __ADD(ETH_P_DIAG,diag),
745 __ADD(ETH_P_CUST,cust),
746 __ADD(ETH_P_SCA,sca),
747 __ADD(ETH_P_TEB,teb),
748 __ADD(ETH_P_RARP,rarp),
749 __ADD(ETH_P_ATALK,atalk),
750 __ADD(ETH_P_AARP,aarp),
752 __ADD(ETH_P_8021Q,802.1q),
754 __ADD(ETH_P_IPX,ipx),
755 __ADD(ETH_P_IPV6,ipv6),
756 __ADD(ETH_P_PAUSE,pause),
757 __ADD(ETH_P_SLOW,slow),
759 __ADD(ETH_P_WCCP,wccp),
761 __ADD(ETH_P_PPP_DISC,ppp_disc),
762 __ADD(ETH_P_PPP_SES,ppp_ses),
763 __ADD(ETH_P_MPLS_UC,mpls_uc),
764 __ADD(ETH_P_MPLS_MC,mpls_mc),
765 __ADD(ETH_P_ATMMPOA,atmmpoa),
766 __ADD(ETH_P_LINK_CTL,link_ctl),
767 __ADD(ETH_P_ATMFATE,atmfate),
768 __ADD(ETH_P_PAE,pae),
769 __ADD(ETH_P_AOE,aoe),
770 __ADD(ETH_P_TIPC,tipc),
771 __ADD(ETH_P_1588,ieee1588),
772 __ADD(ETH_P_FCOE,fcoe),
773 __ADD(ETH_P_FIP,fip),
774 __ADD(ETH_P_EDSA,edsa),
775 __ADD(ETH_P_EDP2,edp2),
776 __ADD(ETH_P_802_3,802.3),
777 __ADD(ETH_P_AX25,ax25),
778 __ADD(ETH_P_ALL,all),
779 __ADD(ETH_P_802_2,802.2),
780 __ADD(ETH_P_SNAP,snap),
781 __ADD(ETH_P_DDCMP,ddcmp),
782 __ADD(ETH_P_WAN_PPP,wan_ppp),
783 __ADD(ETH_P_PPP_MP,ppp_mp),
784 __ADD(ETH_P_LOCALTALK,localtalk),
785 __ADD(ETH_P_CAN,can),
786 __ADD(ETH_P_PPPTALK,ppptalk),
787 __ADD(ETH_P_TR_802_2,tr_802.2),
788 __ADD(ETH_P_MOBITEX,mobitex),
789 __ADD(ETH_P_CONTROL,control),
790 __ADD(ETH_P_IRDA,irda),
791 __ADD(ETH_P_ECONET,econet),
792 __ADD(ETH_P_HDLC,hdlc),
793 __ADD(ETH_P_ARCNET,arcnet),
794 __ADD(ETH_P_DSA,dsa),
795 __ADD(ETH_P_TRAILER,trailer),
796 __ADD(ETH_P_PHONET,phonet),
797 __ADD(ETH_P_IEEE802154,ieee802154),
798 __ADD(ETH_P_CAIF,caif),
801 char *nl_ether_proto2str(
int eproto,
char *buf,
size_t len)
803 return __type2str(eproto, buf, len, ether_protos,
804 ARRAY_SIZE(ether_protos));
807 int nl_str2ether_proto(
const char *name)
809 return __str2type(name, ether_protos, ARRAY_SIZE(ether_protos));
819 char *nl_ip_proto2str(
int proto,
char *buf,
size_t len)
821 struct protoent *p = getprotobynumber(proto);
824 snprintf(buf, len,
"%s", p->p_name);
828 snprintf(buf, len,
"0x%x", proto);
832 int nl_str2ip_proto(
const char *name)
834 struct protoent *p = getprotobyname(name);
841 l = strtoul(name, &end, 0);
842 if (l == ULONG_MAX || *end !=
'\0')
843 return -NLE_OBJ_NOTFOUND;
871 for (i = 0; i < params->
dp_prefix; i++) {
873 fprintf(params->
dp_fd,
" ");
875 strncat(params->
dp_buf,
" ",
877 strlen(params->
dp_buf) - 1);
882 params->
dp_nl_cb(params, params->dp_line);
885 static void dump_one(
struct nl_dump_params *parms,
const char *fmt,
889 vfprintf(parms->
dp_fd, fmt, args);
892 if (vasprintf(&buf, fmt, args) >= 0) {
894 parms->
dp_cb(parms, buf);
896 strncat(parms->
dp_buf, buf,
898 strlen(parms->
dp_buf) - 1);
919 dump_one(params, fmt, args);
923 void nl_dump_line(
struct nl_dump_params *parms,
const char *fmt, ...)
930 dump_one(parms, fmt, args);
939 int __trans_list_add(
int i,
const char *a,
struct nl_list_head *head)
941 struct trans_list *tl;
943 tl = calloc(1,
sizeof(*tl));
950 nl_list_add_tail(&tl->list, head);
957 struct trans_list *tl, *next;
959 nl_list_for_each_entry_safe(tl, next, head, list) {
964 nl_init_list_head(head);
967 char *__type2str(
int type,
char *buf,
size_t len,
968 const struct trans_tbl *tbl,
size_t tbl_len)
971 for (i = 0; i < tbl_len; i++) {
972 if (tbl[i].i == type) {
973 snprintf(buf, len,
"%s", tbl[i].a);
978 snprintf(buf, len,
"0x%x", type);
982 char *__list_type2str(
int type,
char *buf,
size_t len,
985 struct trans_list *tl;
987 nl_list_for_each_entry(tl, head, list) {
989 snprintf(buf, len,
"%s", tl->a);
994 snprintf(buf, len,
"0x%x", type);
998 char *__flags2str(
int flags,
char *buf,
size_t len,
999 const struct trans_tbl *tbl,
size_t tbl_len)
1004 memset(buf, 0, len);
1006 for (i = 0; i < tbl_len; i++) {
1007 if (tbl[i].i & tmp) {
1009 strncat(buf, tbl[i].a, len - strlen(buf) - 1);
1011 strncat(buf,
",", len - strlen(buf) - 1);
1018 int __str2type(
const char *buf,
const struct trans_tbl *tbl,
size_t tbl_len)
1027 for (i = 0; i < tbl_len; i++)
1028 if (!strcasecmp(tbl[i].a, buf))
1031 l = strtoul(buf, &end, 0);
1032 if (l == ULONG_MAX || *end !=
'\0')
1033 return -NLE_OBJ_NOTFOUND;
1038 int __list_str2type(
const char *buf,
struct nl_list_head *head)
1040 struct trans_list *tl;
1047 nl_list_for_each_entry(tl, head, list) {
1048 if (!strcasecmp(tl->a, buf))
1052 l = strtoul(buf, &end, 0);
1053 if (l == ULONG_MAX || *end !=
'\0')
1054 return -NLE_OBJ_NOTFOUND;
1059 int __str2flags(
const char *buf,
const struct trans_tbl *tbl,
size_t tbl_len)
1064 char *p = (
char *) buf, *t;
1071 len = t ? t - p : strlen(p);
1072 for (i = 0; i < tbl_len; i++)
1073 if (len == strlen(tbl[i].a) &&
1074 !strncasecmp(tbl[i].a, p, len))
1086 void dump_from_ops(
struct nl_object *obj,
struct nl_dump_params *params)
1090 if (type < 0 || type > NL_DUMP_MAX)
1093 params->dp_line = 0;
1100 dp_dump_line(params, 0,
"%s ",
1101 nl_cache_mngt_type2name(obj->ce_ops,
1102 obj->ce_ops->co_protocol,
1109 if (obj->ce_ops->oo_dump[type])
1110 obj->ce_ops->oo_dump[type](obj, params);
1132 int nl_has_capability (
int capability)
1134 static const uint8_t caps[ ( NL_CAPABILITY_MAX + 7 ) / 8 ] = {
1135 #define _NL_ASSERT(expr) ( 0 * sizeof(struct { unsigned int x: ( (!!(expr)) ? 1 : -1 ); }) )
1136 #define _NL_SETV(i, r, v) \
1137 ( _NL_ASSERT( (v) == 0 || (i) * 8 + (r) == (v) - 1 ) + \
1138 ( (v) == 0 ? 0 : (1 << (r)) ) )
1139 #define _NL_SET(i, v0, v1, v2, v3, v4, v5, v6, v7) \
1141 _NL_SETV((i), 0, (v0)) | _NL_SETV((i), 4, (v4)) | \
1142 _NL_SETV((i), 1, (v1)) | _NL_SETV((i), 5, (v5)) | \
1143 _NL_SETV((i), 2, (v2)) | _NL_SETV((i), 6, (v6)) | \
1144 _NL_SETV((i), 3, (v3)) | _NL_SETV((i), 7, (v7)) )
1147 NL_CAPABILITY_ROUTE_LINK_VETH_GET_PEER_OWN_REFERENCE,
1148 NL_CAPABILITY_ROUTE_LINK_CLS_ADD_ACT_OWN_REFERENCE,
1149 NL_CAPABILITY_NL_CONNECT_RETRY_GENERATE_PORT_ON_ADDRINUSE,
1150 NL_CAPABILITY_ROUTE_LINK_GET_KERNEL_FAIL_OPNOTSUPP,
1151 NL_CAPABILITY_ROUTE_ADDR_COMPARE_CACHEINFO,
1152 NL_CAPABILITY_VERSION_3_2_26,
1153 NL_CAPABILITY_NL_RECV_FAIL_TRUNC_NO_PEEK),
1155 NL_CAPABILITY_LINK_BUILD_CHANGE_REQUEST_SET_CHANGE,
1156 NL_CAPABILITY_RTNL_NEIGH_GET_FILTER_AF_UNSPEC_FIX,
1157 NL_CAPABILITY_VERSION_3_2_27,
1182 if (capability <= 0 || capability > NL_CAPABILITY_MAX)
1185 return (caps[capability / 8] & (1 << (capability % 8))) != 0;
int nl_get_user_hz(void)
Return the value of HZ.
void nl_new_line(struct nl_dump_params *params)
Handle a new line while dumping.
char * dp_buf
Alternatively the output may be redirected into a buffer.
FILE * dp_fd
File descriptor the dumping output should go to.
void(* dp_cb)(struct nl_dump_params *, char *)
A callback invoked for output.
rtnl_route_build_msg() no longer guesses the route scope if explicitly set to RT_SCOPE_NOWHERE.
long nl_size2int(const char *str)
Convert a character string to a size.
double nl_cancel_down_bits(unsigned long long l, char **unit)
Cancel down a bit counter.
enum nl_dump_type dp_type
Specifies the type of dump that is requested.
char * nl_msec2str(uint64_t msec, char *buf, size_t len)
Convert milliseconds to a character string.
#define NL_PROB_MAX
Upper probability limit nl_dump_type.
Dump all attributes but no statistics.
char * nl_size2str(const size_t size, char *buf, const size_t len)
Convert a size toa character string.
void(* dp_nl_cb)(struct nl_dump_params *, int)
A callback invoked for every new line, can be used to customize the indentation.
double nl_cancel_down_bytes(unsigned long long l, char **unit)
Cancel down a byte counter.
int dp_pre_dump
PRIVATE Set if a dump was performed prior to the actual dump handler.
double nl_cancel_down_us(uint32_t l, char **unit)
Cancel down a micro second value.
int nl_get_psched_hz(void)
Return the value of packet scheduler HZ.
uint32_t nl_ticks2us(uint32_t ticks)
Convert ticks to micro seconds.
long nl_prob2int(const char *str)
Convert a character string to a probability.
int dp_prefix
Specifies the number of whitespaces to be put in front of every new line (indentation).
uint32_t nl_us2ticks(uint32_t us)
Convert micro seconds to ticks.
size_t dp_buflen
Length of the buffer dp_buf.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
int nl_debug
Global variable indicating the desired level of debugging output.
int dp_dump_msgtype
Causes each element to be prefixed with the message type.