xnu-2050.7.9.tar.gz

[apple/xnu.git] / bsd / nfs / nfs_srvcache.c

diff --git a/bsd/nfs/nfs_srvcache.c b/bsd/nfs/nfs_srvcache.c
index 1b28bdcfb270675a1efcf9a9de30bcf958209c39..b0eb21d7347c56ba600c315f6cd06cb4eedf22d1 100644 (file)
--- a/bsd/nfs/nfs_srvcache.c
+++ b/bsd/nfs/nfs_srvcache.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -174,6 +174,7 @@ nfsrv_initcache(void)
  * If there is any doubt, return FALSE.
  * The AF_INET family is handled as a special case so that address mbufs
  * don't need to be saved to store "struct in_addr", which is only 4 bytes.
+ * Ditto for AF_INET6 which is only 16 bytes.
  */
 static int
 netaddr_match(
@@ -182,17 +183,22 @@ netaddr_match(
        mbuf_t nam)
 {
        struct sockaddr_in *inetaddr;
+       struct sockaddr_in6 *inet6addr;
 
        switch (family) {
        case AF_INET:
                inetaddr = mbuf_data(nam);
-               if (inetaddr->sin_family == AF_INET &&
-                   inetaddr->sin_addr.s_addr == haddr->had_inetaddr)
+               if ((inetaddr->sin_family == AF_INET) &&
+                   (inetaddr->sin_addr.s_addr == haddr->had_inetaddr))
                        return (1);
                break;
-       default:
+       case AF_INET6:
+               inet6addr = mbuf_data(nam);
+               if ((inet6addr->sin6_family == AF_INET6) &&
+                   !bcmp(&inet6addr->sin6_addr, &haddr->had_inet6addr, sizeof(inet6addr->sin6_addr)))
+                       return (1);
                break;
-       };
+       }
        return (0);
 }
 
@@ -218,7 +224,7 @@ nfsrv_getcache(
 {
        struct nfsrvcache *rp;
        struct nfsm_chain nmrep;
-       struct sockaddr_in *saddr;
+       struct sockaddr *saddr;
        int ret, error;
 
        /*
@@ -232,7 +238,7 @@ loop:
        for (rp = NFSRCHASH(nd->nd_retxid)->lh_first; rp != 0;
            rp = rp->rc_hash.le_next) {
            if (nd->nd_retxid == rp->rc_xid && nd->nd_procnum == rp->rc_proc &&
-               netaddr_match(AF_INET, &rp->rc_haddr, nd->nd_nam)) {
+               netaddr_match(rp->rc_family, &rp->rc_haddr, nd->nd_nam)) {
                        if ((rp->rc_flag & RC_LOCKED) != 0) {
                                rp->rc_flag |= RC_WANTED;
                                msleep(rp, nfsrv_reqcache_mutex, PZERO-1, "nfsrc", NULL);
@@ -247,10 +253,10 @@ loop:
                        if (rp->rc_state == RC_UNUSED)
                                panic("nfsrv cache");
                        if (rp->rc_state == RC_INPROG) {
-                               OSAddAtomic(1, (SInt32*)&nfsstats.srvcache_inproghits);
+                               OSAddAtomic64(1, &nfsstats.srvcache_inproghits);
                                ret = RC_DROPIT;
                        } else if (rp->rc_flag & RC_REPSTATUS) {
-                               OSAddAtomic(1, (SInt32*)&nfsstats.srvcache_nonidemdonehits);
+                               OSAddAtomic64(1, &nfsstats.srvcache_nonidemdonehits);
                                nd->nd_repstat = rp->rc_status;
                                error = nfsrv_rephead(nd, slp, &nmrep, 0);
                                if (error) {
@@ -262,7 +268,7 @@ loop:
                                        *mrepp = nmrep.nmc_mhead;
                                }
                        } else if (rp->rc_flag & RC_REPMBUF) {
-                               OSAddAtomic(1, (SInt32*)&nfsstats.srvcache_nonidemdonehits);
+                               OSAddAtomic64(1, &nfsstats.srvcache_nonidemdonehits);
                                error = mbuf_copym(rp->rc_reply, 0, MBUF_COPYALL, MBUF_WAITOK, mrepp);
                                if (error) {
                                        printf("nfsrv cache: reply copym failed for nonidem request hit\n");
@@ -271,7 +277,7 @@ loop:
                                        ret = RC_REPLY;
                                }
                        } else {
-                               OSAddAtomic(1, (SInt32*)&nfsstats.srvcache_idemdonehits);
+                               OSAddAtomic64(1, &nfsstats.srvcache_idemdonehits);
                                rp->rc_state = RC_INPROG;
                                ret = RC_DOIT;
                        }
@@ -284,7 +290,7 @@ loop:
                        return (ret);
                }
        }
-       OSAddAtomic(1, (SInt32*)&nfsstats.srvcache_misses);
+       OSAddAtomic64(1, &nfsstats.srvcache_misses);
        if (nfsrv_reqcache_count < nfsrv_reqcache_size) {
                /* try to allocate a new entry */
                MALLOC(rp, struct nfsrvcache *, sizeof *rp, M_NFSD, M_WAITOK);
@@ -323,10 +329,15 @@ loop:
        rp->rc_state = RC_INPROG;
        rp->rc_xid = nd->nd_retxid;
        saddr = mbuf_data(nd->nd_nam);
-       switch (saddr->sin_family) {
+       rp->rc_family = saddr->sa_family;
+       switch (saddr->sa_family) {
        case AF_INET:
                rp->rc_flag |= RC_INETADDR;
-               rp->rc_inetaddr = saddr->sin_addr.s_addr;
+               rp->rc_inetaddr = ((struct sockaddr_in*)saddr)->sin_addr.s_addr;
+               break;
+       case AF_INET6:
+               rp->rc_flag |= RC_INETADDR;
+               rp->rc_inet6addr = ((struct sockaddr_in6*)saddr)->sin6_addr;
                break;
        default:
                error = mbuf_copym(nd->nd_nam, 0, MBUF_COPYALL, MBUF_WAITOK, &rp->rc_nam);
@@ -366,7 +377,7 @@ loop:
        for (rp = NFSRCHASH(nd->nd_retxid)->lh_first; rp != 0;
            rp = rp->rc_hash.le_next) {
            if (nd->nd_retxid == rp->rc_xid && nd->nd_procnum == rp->rc_proc &&
-               netaddr_match(AF_INET, &rp->rc_haddr, nd->nd_nam)) {
+               netaddr_match(rp->rc_family, &rp->rc_haddr, nd->nd_nam)) {
                        if ((rp->rc_flag & RC_LOCKED) != 0) {
                                rp->rc_flag |= RC_WANTED;
                                msleep(rp, nfsrv_reqcache_mutex, PZERO-1, "nfsrc", NULL);