2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus
18 Permission is hereby granted, free of charge, to any person obtaining
19 a copy of this software and associated documentation files (the
20 "Software"), to deal in the Software without restriction, including
21 without limitation the rights to use, copy, modify, merge, publish,
22 distribute, sublicense, and/or sell copies of the Software, and to
23 permit persons to whom the Software is furnished to do so, subject to
24 the following conditions:
26 The above copyright notice and this permission notice shall be
27 included in all copies or substantial portions of the Software.
29 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
31 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
32 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
33 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
34 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
35 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
41 # include <linux/unistd.h>
42 # include <linux/signal.h>
45 #else /* ! __KERNEL__ */
51 #define _GNU_SOURCE /* to get REG_* in ucontext.h */
60 #include <sys/socket.h>
64 #include <vppinfra/time.h>
67 #include <linux/types.h>
68 #include <linux/netlink.h>
72 #endif /* ! __KERNEL__ */
76 # include <linux/socket.h>
77 # include <linux/in.h>
78 # include <linux/ip.h>
79 # include <linux/tcp.h>
80 # include <linux/udp.h>
81 # include <linux/icmp.h>
82 # include <linux/if_ether.h>
83 # include <linux/if_arp.h>
85 # include <net/if.h> /* struct ifnet may live here */
86 # include <netinet/in.h>
87 # include <netinet/ip.h>
88 # include <netinet/tcp.h>
89 # include <netinet/udp.h>
90 # include <netinet/ip_icmp.h>
91 # include <netinet/if_ether.h>
92 #endif /* __KERNEL__ */
94 #include <vppinfra/format.h>
95 #include <vppinfra/error.h>
97 /* Format unix network address family (e.g. AF_INET). */
98 u8 * format_address_family (u8 * s, va_list * va)
100 uword family = va_arg (*va, uword);
101 u8 * t = (u8 *) "UNKNOWN";
104 #define _(x) case PF_##x: t = (u8 *) #x; break
106 _ (UNIX); /* Unix domain sockets */
107 _ (INET); /* Internet IP Protocol */
109 _ (AX25); /* Amateur Radio AX.25 */
112 _ (IPX); /* Novell IPX */
115 _ (APPLETALK); /* AppleTalk DDP */
118 _ (NETROM); /* Amateur Radio NET/ROM */
121 _ (BRIDGE); /* Multiprotocol bridge */
124 _ (ATMPVC); /* ATM PVCs */
127 _ (X25); /* Reserved for X.25 project */
130 _ (INET6); /* IP version 6 */
133 _ (ROSE); /* Amateur Radio X.25 PLP */
136 _ (DECnet); /* Reserved for DECnet project */
139 _ (NETBEUI); /* Reserved for 802.2LLC project*/
142 _ (SECURITY); /* Security callback pseudo AF */
145 _ (KEY); /* PF_KEY key management API */
151 _ (PACKET); /* Packet family */
157 _ (ECONET); /* Acorn Econet */
160 _ (ATMSVC); /* ATM SVCs */
163 _ (SNA); /* Linux SNA Project */
166 _ (IRDA); /* IRDA sockets */
170 vec_add (s, t, strlen ((char *) t));
174 u8 * format_network_protocol (u8 * s, va_list * args)
176 uword family = va_arg (*args, uword);
177 uword protocol = va_arg (*args, uword);
180 struct protoent * p = getprotobynumber (protocol);
182 ASSERT (family == AF_INET);
184 return format (s, "%s", p->p_name);
186 return format (s, "%d", protocol);
188 return format (s, "%d/%d", family, protocol);
192 u8 * format_network_port (u8 * s, va_list * args)
194 uword proto = va_arg (*args, uword);
195 uword port = va_arg (*args, uword);
198 struct servent * p = getservbyport (port, proto == IPPROTO_UDP ? "udp" : "tcp");
201 return format (s, "%s", p->s_name);
203 return format (s, "%d", port);
205 return format (s, "%s/%d", proto == IPPROTO_UDP ? "udp" : "tcp", port);
209 /* Format generic network address: takes two arguments family and address.
210 Assumes network byte order. */
211 u8 * format_network_address (u8 * s, va_list * args)
213 uword family = va_arg (*args, uword);
214 u8 * addr = va_arg (*args, u8 *);
219 s = format (s, "%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]);
223 /* We use AF_UNSPEC for ethernet addresses. */
224 s = format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
225 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
229 clib_error ("unsupported address family %d", family);
235 u8 * format_sockaddr (u8 * s, va_list * args)
237 void * v = va_arg (*args, void *);
238 struct sockaddr * sa = v;
239 static u32 local_counter;
241 switch (sa->sa_family)
245 struct sockaddr_in * i = v;
246 s = format (s, "%U:%U",
247 format_network_address, AF_INET, &i->sin_addr.s_addr,
248 format_network_port, IPPROTO_TCP, ntohs (i->sin_port));
255 * There isn't anything useful to print.
256 * The unix cli world uses the output to make a node name,
257 * so we need to return a unique name.
259 s = format (s, "local:%u", local_counter++);
267 struct sockaddr_nl * n = v;
268 s = format (s, "KERNEL-NETLINK");
270 s = format (s, " (groups 0x%x)", n->nl_groups);
277 s = format (s, "sockaddr family %d", sa->sa_family);
287 u8 * format_timeval (u8 * s, va_list * args)
289 char * fmt = va_arg (*args, char *);
290 struct timeval * tv = va_arg (*args, struct timeval *);
296 fmt = "y/m/d H:M:S:F";
300 static struct timeval now;
301 gettimeofday (&now, 0);
305 msec = flt_round_nearest (1e-3 * tv->tv_usec);
307 { msec = 0; tv->tv_sec++; }
310 time_t t = tv->tv_sec;
314 for (f = fmt; *f; f++)
317 char * what_fmt = "%d";
326 what = 1900 + tm->tm_year;
330 what = tm->tm_mon + 1;
355 s = format (s, what_fmt, what);
362 u8 * format_time_float (u8 * s, va_list * args)
364 u8 * fmt = va_arg (*args, u8 *);
365 f64 t = va_arg (*args, f64);
368 t = unix_time_now ();
370 tv.tv_usec = 1e6*(t - tv.tv_sec);
371 return format (s, "%U", format_timeval, fmt, &tv);
374 u8 * format_signal (u8 * s, va_list * args)
376 uword signum = va_arg (*args, uword);
380 #define _(x) case x: t = #x; break;
420 return format (s, "unknown %d", signum);
423 vec_add (s, t, strlen (t));
427 u8 * format_ucontext_pc (u8 * s, va_list * args)
429 ucontext_t * uc __attribute__((unused));
430 unsigned long * regs = 0;
433 uc = va_arg (*args, ucontext_t *);
436 #if defined (powerpc)
437 regs = &uc->uc_mcontext.uc_regs->gregs[0];
438 #elif defined (powerpc64)
439 regs = &uc->uc_mcontext.uc_regs->gp_regs[0];
440 #elif defined (i386) || defined (__x86_64__)
441 regs = (void *) &uc->uc_mcontext.gregs[0];
442 #elif defined(__aarch64__)
443 regs = (void *) &uc->uc_mcontext.pc;
446 #if defined (powerpc) || defined (powerpc64)
450 #elif defined (__x86_64__)
452 #elif defined(__aarch64__)
459 #if defined(__amd64__)
461 regs = (void *) &uc->uc_mcontext.mc_rip;
463 #endif /* __amd64__ */
464 #endif /* __linux__ */
467 return format (s, "unsupported");
469 return format (s, "%p", regs[reg_no]);
473 unformat_unix_gid (unformat_input_t * input, va_list * args)
475 gid_t *gid = va_arg (*args, gid_t *);
476 struct group *grp = 0;
480 if (unformat (input, "%d", &r))
484 else if (unformat (input, "%s", &s))
486 grp = getgrnam ((char *) s);
497 #endif /* __KERNEL__ */