Date: Mon, 23 May 2011 15:23:19 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r222215 - in head/sys: netinet netinet6 Message-ID: <201105231523.p4NFNJHi027248@svn.freebsd.org>
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Author: rwatson Date: Mon May 23 15:23:18 2011 New Revision: 222215 URL: http://svn.freebsd.org/changeset/base/222215 Log: Move from passing a wildcard boolean to a general set up lookup flags into in_pcb_lport(), in_pcblookup_local(), and in_pcblookup_hash(), and similarly for IPv6 functions. In the future, we would like to support other flags relating to locking strategy. This change doesn't appear to modify the KBI in practice, as callers already passed in INPLOOKUP_WILDCARD rather than a simple boolean. MFC after: 3 weeks Reviewed by: bz Sponsored by: Juniper Networks, Inc. Modified: head/sys/netinet/in_pcb.c head/sys/netinet6/in6_pcb.c head/sys/netinet6/in6_src.c Modified: head/sys/netinet/in_pcb.c ============================================================================== --- head/sys/netinet/in_pcb.c Mon May 23 14:16:45 2011 (r222214) +++ head/sys/netinet/in_pcb.c Mon May 23 15:23:18 2011 (r222215) @@ -329,7 +329,7 @@ in_pcbbind(struct inpcb *inp, struct soc #if defined(INET) || defined(INET6) int in_pcb_lport(struct inpcb *inp, struct in_addr *laddrp, u_short *lportp, - struct ucred *cred, int wild) + struct ucred *cred, int lookupflags) { struct inpcbinfo *pcbinfo; struct inpcb *tmpinp; @@ -424,14 +424,14 @@ in_pcb_lport(struct inpcb *inp, struct i #ifdef INET6 if ((inp->inp_vflag & INP_IPV6) != 0) tmpinp = in6_pcblookup_local(pcbinfo, - &inp->in6p_laddr, lport, wild, cred); + &inp->in6p_laddr, lport, lookupflags, cred); #endif #if defined(INET) && defined(INET6) else #endif #ifdef INET tmpinp = in_pcblookup_local(pcbinfo, laddr, - lport, wild, cred); + lport, lookupflags, cred); #endif } while (tmpinp != NULL); @@ -464,7 +464,7 @@ in_pcbbind_setup(struct inpcb *inp, stru struct inpcbinfo *pcbinfo = inp->inp_pcbinfo; struct in_addr laddr; u_short lport = 0; - int wild = 0, reuseport = (so->so_options & SO_REUSEPORT); + int lookupflags = 0, reuseport = (so->so_options & SO_REUSEPORT); int error; /* @@ -480,7 +480,7 @@ in_pcbbind_setup(struct inpcb *inp, stru if (nam != NULL && laddr.s_addr != INADDR_ANY) return (EINVAL); if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0) - wild = INPLOOKUP_WILDCARD; + lookupflags = INPLOOKUP_WILDCARD; if (nam == NULL) { if ((error = prison_local_ip4(cred, &laddr)) != 0) return (error); @@ -561,7 +561,7 @@ in_pcbbind_setup(struct inpcb *inp, stru return (EADDRINUSE); } t = in_pcblookup_local(pcbinfo, sin->sin_addr, - lport, wild, cred); + lport, lookupflags, cred); if (t && (t->inp_flags & INP_TIMEWAIT)) { /* * XXXRW: If an incpb has had its timewait @@ -590,7 +590,7 @@ in_pcbbind_setup(struct inpcb *inp, stru if (*lportp != 0) lport = *lportp; if (lport == 0) { - error = in_pcb_lport(inp, &laddr, &lport, cred, wild); + error = in_pcb_lport(inp, &laddr, &lport, cred, lookupflags); if (error != 0) return (error); @@ -1307,7 +1307,7 @@ in_pcbpurgeif0(struct inpcbinfo *pcbinfo #define INP_LOOKUP_MAPPED_PCB_COST 3 struct inpcb * in_pcblookup_local(struct inpcbinfo *pcbinfo, struct in_addr laddr, - u_short lport, int wild_okay, struct ucred *cred) + u_short lport, int lookupflags, struct ucred *cred) { struct inpcb *inp; #ifdef INET6 @@ -1317,9 +1317,12 @@ in_pcblookup_local(struct inpcbinfo *pcb #endif int wildcard; + KASSERT((lookupflags & ~(INPLOOKUP_WILDCARD)) == 0, + ("%s: invalid lookup flags %d", __func__, lookupflags)); + INP_INFO_LOCK_ASSERT(pcbinfo); - if (!wild_okay) { + if ((lookupflags & INPLOOKUP_WILDCARD) == 0) { struct inpcbhead *head; /* * Look for an unconnected (wildcard foreign addr) PCB that @@ -1425,13 +1428,16 @@ in_pcblookup_local(struct inpcbinfo *pcb */ struct inpcb * in_pcblookup_hash(struct inpcbinfo *pcbinfo, struct in_addr faddr, - u_int fport_arg, struct in_addr laddr, u_int lport_arg, int wildcard, + u_int fport_arg, struct in_addr laddr, u_int lport_arg, int lookupflags, struct ifnet *ifp) { struct inpcbhead *head; struct inpcb *inp, *tmpinp; u_short fport = fport_arg, lport = lport_arg; + KASSERT((lookupflags & ~(INPLOOKUP_WILDCARD)) == 0, + ("%s: invalid lookup flags %d", __func__, lookupflags)); + INP_INFO_LOCK_ASSERT(pcbinfo); /* @@ -1467,7 +1473,7 @@ in_pcblookup_hash(struct inpcbinfo *pcbi /* * Then look for a wildcard match, if requested. */ - if (wildcard == INPLOOKUP_WILDCARD) { + if ((lookupflags & INPLOOKUP_WILDCARD) != 0) { struct inpcb *local_wild = NULL, *local_exact = NULL; #ifdef INET6 struct inpcb *local_wild_mapped = NULL; @@ -1538,7 +1544,7 @@ in_pcblookup_hash(struct inpcbinfo *pcbi if (local_wild_mapped != NULL) return (local_wild_mapped); #endif /* defined(INET6) */ - } /* if (wildcard == INPLOOKUP_WILDCARD) */ + } /* if ((lookupflags & INPLOOKUP_WILDCARD) != 0) */ return (NULL); } Modified: head/sys/netinet6/in6_pcb.c ============================================================================== --- head/sys/netinet6/in6_pcb.c Mon May 23 14:16:45 2011 (r222214) +++ head/sys/netinet6/in6_pcb.c Mon May 23 15:23:18 2011 (r222215) @@ -111,7 +111,8 @@ in6_pcbbind(register struct inpcb *inp, struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)NULL; struct inpcbinfo *pcbinfo = inp->inp_pcbinfo; u_short lport = 0; - int error, wild = 0, reuseport = (so->so_options & SO_REUSEPORT); + int error, lookupflags = 0; + int reuseport = (so->so_options & SO_REUSEPORT); INP_INFO_WLOCK_ASSERT(pcbinfo); INP_WLOCK_ASSERT(inp); @@ -121,7 +122,7 @@ in6_pcbbind(register struct inpcb *inp, if (inp->inp_lport || !IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) return (EINVAL); if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0) - wild = INPLOOKUP_WILDCARD; + lookupflags = INPLOOKUP_WILDCARD; if (nam == NULL) { if ((error = prison_local_ip6(cred, &inp->in6p_laddr, ((inp->inp_flags & IN6P_IPV6_V6ONLY) != 0))) != 0) @@ -226,7 +227,7 @@ in6_pcbbind(register struct inpcb *inp, #endif } t = in6_pcblookup_local(pcbinfo, &sin6->sin6_addr, - lport, wild, cred); + lport, lookupflags, cred); if (t && (reuseport & ((t->inp_flags & INP_TIMEWAIT) ? intotw(t)->tw_so_options : t->inp_socket->so_options)) == 0) @@ -238,7 +239,7 @@ in6_pcbbind(register struct inpcb *inp, in6_sin6_2_sin(&sin, sin6); t = in_pcblookup_local(pcbinfo, sin.sin_addr, - lport, wild, cred); + lport, lookupflags, cred); if (t && t->inp_flags & INP_TIMEWAIT) { if ((reuseport & intotw(t)->tw_so_options) == 0 && @@ -652,14 +653,17 @@ in6_pcbnotify(struct inpcbinfo *pcbinfo, */ struct inpcb * in6_pcblookup_local(struct inpcbinfo *pcbinfo, struct in6_addr *laddr, - u_short lport, int wild_okay, struct ucred *cred) + u_short lport, int lookupflags, struct ucred *cred) { register struct inpcb *inp; int matchwild = 3, wildcard; + KASSERT((lookupflags & ~(INPLOOKUP_WILDCARD)) == 0, + ("%s: invalid lookup flags %d", __func__, lookupflags)); + INP_INFO_WLOCK_ASSERT(pcbinfo); - if (!wild_okay) { + if ((lookupflags & INPLOOKUP_WILDCARD) == 0) { struct inpcbhead *head; /* * Look for an unconnected (wildcard foreign addr) PCB that @@ -815,7 +819,7 @@ in6_rtchange(struct inpcb *inp, int errn */ struct inpcb * in6_pcblookup_hash(struct inpcbinfo *pcbinfo, struct in6_addr *faddr, - u_int fport_arg, struct in6_addr *laddr, u_int lport_arg, int wildcard, + u_int fport_arg, struct in6_addr *laddr, u_int lport_arg, int lookupflags, struct ifnet *ifp) { struct inpcbhead *head; @@ -823,6 +827,9 @@ in6_pcblookup_hash(struct inpcbinfo *pcb u_short fport = fport_arg, lport = lport_arg; int faith; + KASSERT((lookupflags & ~(INPLOOKUP_WILDCARD)) == 0, + ("%s: invalid lookup flags %d", __func__, lookupflags)); + INP_INFO_LOCK_ASSERT(pcbinfo); if (faithprefix_p != NULL) @@ -862,7 +869,7 @@ in6_pcblookup_hash(struct inpcbinfo *pcb /* * Then look for a wildcard match, if requested. */ - if (wildcard == INPLOOKUP_WILDCARD) { + if ((lookupflags & INPLOOKUP_WILDCARD) != 0) { struct inpcb *local_wild = NULL, *local_exact = NULL; struct inpcb *jail_wild = NULL; int injail; @@ -919,7 +926,7 @@ in6_pcblookup_hash(struct inpcbinfo *pcb return (local_exact); if (local_wild != NULL) return (local_wild); - } /* if (wildcard == INPLOOKUP_WILDCARD) */ + } /* if ((lookupflags & INPLOOKUP_WILDCARD) != 0) */ /* * Not found. Modified: head/sys/netinet6/in6_src.c ============================================================================== --- head/sys/netinet6/in6_src.c Mon May 23 14:16:45 2011 (r222214) +++ head/sys/netinet6/in6_src.c Mon May 23 15:23:18 2011 (r222215) @@ -851,7 +851,7 @@ in6_pcbsetport(struct in6_addr *laddr, s { struct socket *so = inp->inp_socket; u_int16_t lport = 0; - int error, wild = 0; + int error, lookupflags = 0; #ifdef INVARIANTS struct inpcbinfo *pcbinfo = inp->inp_pcbinfo; #endif @@ -866,11 +866,11 @@ in6_pcbsetport(struct in6_addr *laddr, s /* XXX: this is redundant when called from in6_pcbbind */ if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0) - wild = INPLOOKUP_WILDCARD; + lookupflags = INPLOOKUP_WILDCARD; inp->inp_flags |= INP_ANONPORT; - error = in_pcb_lport(inp, NULL, &lport, cred, wild); + error = in_pcb_lport(inp, NULL, &lport, cred, lookupflags); if (error != 0) return (error);
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