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[src/trunk]: src/sys/net Make functions that use for logging MP-safe
details: https://anonhg.NetBSD.org/src/rev/f75eb04976f2
branches: trunk
changeset: 1021237:f75eb04976f2
user: yamaguchi <yamaguchi%NetBSD.org@localhost>
date: Wed May 19 02:14:19 2021 +0000
description:
Make functions that use for logging MP-safe
There is no change in behavior.
diffstat:
sys/net/if_spppsubr.c | 295 +++++++++++++++++++++++++++++++++----------------
1 files changed, 196 insertions(+), 99 deletions(-)
diffs (truncated from 720 to 300 lines):
diff -r db4bd5c24654 -r f75eb04976f2 sys/net/if_spppsubr.c
--- a/sys/net/if_spppsubr.c Wed May 19 02:07:20 2021 +0000
+++ b/sys/net/if_spppsubr.c Wed May 19 02:14:19 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_spppsubr.c,v 1.245 2021/05/19 02:07:20 yamaguchi Exp $ */
+/* $NetBSD: if_spppsubr.c,v 1.246 2021/05/19 02:14:19 yamaguchi Exp $ */
/*
* Synchronous PPP/Cisco link level subroutines.
@@ -41,7 +41,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.245 2021/05/19 02:07:20 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.246 2021/05/19 02:14:19 yamaguchi Exp $");
#if defined(_KERNEL_OPT)
#include "opt_inet.h"
@@ -116,6 +116,14 @@
#define SPPP_ALIVE_INTERVAL DEFAULT_ALIVE_INTERVAL
#endif
+#define SPPP_CPTYPE_NAMELEN 5 /* buf size of cp type name */
+#define SPPP_AUTHTYPE_NAMELEN 32 /* buf size of auth type name */
+#define SPPP_LCPOPT_NAMELEN 5 /* buf size of lcp option name */
+#define SPPP_IPCPOPT_NAMELEN 5 /* buf size of ipcp option name */
+#define SPPP_IPV6CPOPT_NAMELEN 5 /* buf size of ipv6cp option name */
+#define SPPP_PROTO_NAMELEN 7 /* buf size of protocol name */
+#define SPPP_DOTQUAD_BUFLEN 16 /* length of "aa.bb.cc.dd" */
+
/*
* Interface flags that can be set in an ifconfig command.
*
@@ -437,16 +445,16 @@
static void sppp_chap_scr(struct sppp *);
static void sppp_chap_rcv_challenge_event(struct sppp *, void *);
-static const char *sppp_auth_type_name(u_short, u_char);
-static const char *sppp_cp_type_name(u_char);
-static const char *sppp_dotted_quad(uint32_t);
-static const char *sppp_ipcp_opt_name(u_char);
+static const char *sppp_auth_type_name(char *, size_t, u_short, u_char);
+static const char *sppp_cp_type_name(char *, size_t, u_char);
+static const char *sppp_dotted_quad(char *, size_t, uint32_t);
+static const char *sppp_ipcp_opt_name(char *, size_t, u_char);
#ifdef INET6
-static const char *sppp_ipv6cp_opt_name(u_char);
+static const char *sppp_ipv6cp_opt_name(char *, size_t, u_char);
#endif
-static const char *sppp_lcp_opt_name(u_char);
+static const char *sppp_lcp_opt_name(char *, size_t, u_char);
static const char *sppp_phase_name(int);
-static const char *sppp_proto_name(u_short);
+static const char *sppp_proto_name(char *, size_t, u_short);
static const char *sppp_state_name(int);
static int sppp_params(struct sppp *, u_long, void *);
#ifdef INET
@@ -1612,10 +1620,15 @@
memcpy(lh + 1, data, len);
if (debug) {
+ char pbuf[SPPP_PROTO_NAMELEN];
+ char tbuf[SPPP_CPTYPE_NAMELEN];
+ const char *pname, *cpname;
+
+ pname = sppp_proto_name(pbuf, sizeof(pbuf), proto);
+ cpname = sppp_cp_type_name(tbuf, sizeof(tbuf), lh->type);
log(LOG_DEBUG, "%s: %s output <%s id=0x%x len=%d",
- ifp->if_xname,
- sppp_proto_name(proto),
- sppp_cp_type_name(lh->type), lh->ident, ntohs(lh->len));
+ ifp->if_xname, pname, cpname,
+ lh->ident, ntohs(lh->len));
if (len)
sppp_print_bytes((u_char *)(lh + 1), len);
addlog(">\n");
@@ -1756,6 +1769,8 @@
int printlen, len = m->m_pkthdr.len;
u_char *p;
uint32_t u32;
+ char tbuf[SPPP_CPTYPE_NAMELEN];
+ const char *cpname;
SPPP_LOCK(sp, RW_WRITER);
@@ -1771,11 +1786,12 @@
h = mtod(m, struct lcp_header *);
if (debug) {
printlen = ntohs(h->len);
+ cpname = sppp_cp_type_name(tbuf, sizeof(tbuf), h->type);
log(LOG_DEBUG,
"%s: %s input(%s): <%s id=0x%x len=%d",
ifp->if_xname, cp->name,
sppp_state_name(scp->state),
- sppp_cp_type_name(h->type), h->ident, printlen);
+ cpname, h->ident, printlen);
if (len < printlen)
printlen = len;
if (printlen > 4)
@@ -1855,11 +1871,11 @@
break;
case CODE_REJ:
/* XXX catastrophic rejects (RXJ-) aren't handled yet. */
+ cpname = sppp_cp_type_name(tbuf, sizeof(tbuf), h->type);
log(LOG_INFO,
"%s: %s: ignoring RXJ (%s) for code ?, "
"danger will robinson\n",
- ifp->if_xname, cp->name,
- sppp_cp_type_name(h->type));
+ ifp->if_xname, cp->name, cpname);
sppp_wq_add(sp->wq_cp, &scp->work_rxj);
break;
case PROTO_REJ:
@@ -1881,13 +1897,14 @@
if (upper == NULL)
catastrophic++;
- if (debug)
+ if (debug) {
+ cpname = sppp_cp_type_name(tbuf, sizeof(tbuf), h->type);
log(LOG_INFO,
"%s: %s: RXJ%c (%s) for proto 0x%x (%s/%s)\n",
ifp->if_xname, cp->name, catastrophic ? '-' : '+',
- sppp_cp_type_name(h->type), proto,
- upper ? upper->name : "unknown",
+ cpname, proto, upper ? upper->name : "unknown",
upper ? sppp_state_name(sp->scp[upper->protoidx].state) : "?");
+ }
/*
* if we got RXJ+ against conf-req, the peer does not implement
@@ -2800,6 +2817,7 @@
int len, rlen;
uint32_t nmagic;
u_short authproto;
+ char lbuf[SPPP_LCPOPT_NAMELEN];
KASSERT(SPPP_WLOCKED(sp));
@@ -2845,7 +2863,7 @@
goto end;
}
if (debug)
- addlog(" %s", sppp_lcp_opt_name(*p));
+ addlog(" %s", sppp_lcp_opt_name(lbuf, sizeof(lbuf), *p));
switch (p[0]) {
case LCP_OPT_MAGIC:
/* Magic number. */
@@ -2964,7 +2982,7 @@
break;
if (debug)
- addlog(" %s", sppp_lcp_opt_name(*p));
+ addlog(" %s", sppp_lcp_opt_name(lbuf, sizeof(lbuf), *p));
switch (p[0]) {
case LCP_OPT_MAGIC:
/* Magic number -- extract. */
@@ -3050,10 +3068,18 @@
if (debug)
addlog(" [chap without MD5]");
} else {
- if (debug)
+ if (debug) {
+ char pbuf1[SPPP_PROTO_NAMELEN];
+ char pbuf2[SPPP_PROTO_NAMELEN];
+ const char *pname1, *pname2;
+
+ pname1 = sppp_proto_name(pbuf1,
+ sizeof(pbuf1), sp->myauth.proto);
+ pname2 = sppp_proto_name(pbuf2,
+ sizeof(pbuf2), authproto);
addlog(" [mine %s != his %s]",
- sppp_proto_name(sp->myauth.proto),
- sppp_proto_name(authproto));
+ pname1, pname2);
+ }
}
/* not agreed, nak */
if (sp->myauth.proto == PPP_CHAP) {
@@ -3176,8 +3202,10 @@
"dropping.\n", ifp->if_xname);
goto end;
}
- if (debug)
- addlog(" %s", sppp_lcp_opt_name(*p));
+ if (debug) {
+ char lbuf[SPPP_LCPOPT_NAMELEN];
+ addlog(" %s", sppp_lcp_opt_name(lbuf, sizeof(lbuf), *p));
+ }
switch (p[0]) {
case LCP_OPT_MAGIC:
/* Magic number -- can't use it, use 0 */
@@ -3258,8 +3286,10 @@
"dropping.\n", ifp->if_xname);
goto end;
}
- if (debug)
- addlog(" %s", sppp_lcp_opt_name(*p));
+ if (debug) {
+ char lbuf[SPPP_LCPOPT_NAMELEN];
+ addlog(" %s", sppp_lcp_opt_name(lbuf, sizeof(lbuf),*p));
+ }
switch (p[0]) {
case LCP_OPT_MAGIC:
/* Magic number -- renegotiate */
@@ -3687,6 +3717,9 @@
struct ifnet *ifp = &sp->pp_if;
int rlen, len, debug = ifp->if_flags & IFF_DEBUG;
uint32_t hisaddr, desiredaddr;
+ char ipbuf[SPPP_IPCPOPT_NAMELEN];
+ char dqbuf[SPPP_DOTQUAD_BUFLEN];
+ const char *dq;
KASSERT(SPPP_WLOCKED(sp));
@@ -3726,8 +3759,10 @@
type = CP_RCR_ERR;
goto end;
}
- if (debug)
- addlog(" %s", sppp_ipcp_opt_name(*p));
+ if (debug) {
+ addlog(" %s",
+ sppp_ipcp_opt_name(ipbuf, sizeof(ipbuf), *p));
+ }
switch (p[0]) {
#ifdef notyet
case IPCP_OPT_COMPRESSION:
@@ -3792,8 +3827,10 @@
if (l == 0)
break;
- if (debug)
- addlog(" %s", sppp_ipcp_opt_name(*p));
+ if (debug) {
+ addlog(" %s",
+ sppp_ipcp_opt_name(ipbuf, sizeof(ipbuf), *p));
+ }
switch (p[0]) {
#ifdef notyet
case IPCP_OPT_COMPRESSION:
@@ -3809,9 +3846,11 @@
* this is agreeable. Gonna conf-ack
* it.
*/
- if (debug)
- addlog(" %s [ack]",
- sppp_dotted_quad(hisaddr));
+ if (debug) {
+ dq = sppp_dotted_quad(dqbuf,
+ sizeof(dqbuf), hisaddr);
+ addlog(" %s [ack]", dq);
+ }
/* record that we've seen it already */
sp->ipcp.flags |= IPCP_HISADDR_SEEN;
sp->ipcp.req_hisaddr = desiredaddr;
@@ -3826,11 +3865,13 @@
* conf-nak it with our value.
*/
if (debug) {
- if (desiredaddr == 0)
+ if (desiredaddr == 0) {
addlog(" [addr requested]");
- else
- addlog(" %s [not agreed]",
- sppp_dotted_quad(desiredaddr));
+ } else {
+ dq = sppp_dotted_quad(dqbuf,
+ sizeof(dqbuf), desiredaddr);
+ addlog(" %s [not agreed]", dq);
+ }
}
p[2] = hisaddr >> 24;
@@ -3932,8 +3973,11 @@
ifp->if_xname);
goto end;
}
- if (debug)
- addlog(" %s", sppp_ipcp_opt_name(*p));
+ if (debug) {
+ char ipbuf[SPPP_IPCPOPT_NAMELEN];
+ addlog(" %s",
+ sppp_ipcp_opt_name(ipbuf, sizeof(ipbuf), *p));
+ }
switch (p[0]) {
case IPCP_OPT_ADDRESS:
/*
@@ -4000,8 +4044,11 @@
ifp->if_xname);
return;
}
- if (debug)
- addlog(" %s", sppp_ipcp_opt_name(*p));
+ if (debug) {
+ char ipbuf[SPPP_IPCPOPT_NAMELEN];
+ addlog(" %s",
+ sppp_ipcp_opt_name(ipbuf, sizeof(ipbuf), *p));
+ }
switch (*p) {
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