Author: jamie
Date: Mon Jun 15 19:01:53 2009
New Revision: 194252
URL: http://svn.freebsd.org/changeset/base/194252

Log:
  Get vnets from creds instead of threads where they're available, and from
  passed threads instead of curthread.
  
  Reviewed by:  zec, julian
  Approved by:  bz (mentor)

Modified:
  head/sys/compat/linprocfs/linprocfs.c
  head/sys/compat/linux/linux_ioctl.c
  head/sys/kern/kern_sysctl.c
  head/sys/kern/uipc_socket.c
  head/sys/net/if_tun.c
  head/sys/netinet/tcp_subr.c
  head/sys/sys/sysctl.h

Modified: head/sys/compat/linprocfs/linprocfs.c
==============================================================================
--- head/sys/compat/linprocfs/linprocfs.c       Mon Jun 15 18:59:29 2009        
(r194251)
+++ head/sys/compat/linprocfs/linprocfs.c       Mon Jun 15 19:01:53 2009        
(r194252)
@@ -1079,7 +1079,7 @@ linprocfs_doprocmaps(PFS_FILL_ARGS)
 static int
 linprocfs_donetdev(PFS_FILL_ARGS)
 {
-       INIT_VNET_NET(TD_TO_VNET(curthread));
+       INIT_VNET_NET(TD_TO_VNET(td));
        char ifname[16]; /* XXX LINUX_IFNAMSIZ */
        struct ifnet *ifp;
 

Modified: head/sys/compat/linux/linux_ioctl.c
==============================================================================
--- head/sys/compat/linux/linux_ioctl.c Mon Jun 15 18:59:29 2009        
(r194251)
+++ head/sys/compat/linux/linux_ioctl.c Mon Jun 15 19:01:53 2009        
(r194252)
@@ -2091,9 +2091,9 @@ linux_ifname(struct ifnet *ifp, char *bu
  */
 
 static struct ifnet *
-ifname_linux_to_bsd(const char *lxname, char *bsdname)
+ifname_linux_to_bsd(struct thread *td, const char *lxname, char *bsdname)
 {
-       INIT_VNET_NET(TD_TO_VNET(curthread));
+       INIT_VNET_NET(TD_TO_VNET(td));
        struct ifnet *ifp;
        int len, unit;
        char *ep;
@@ -2379,7 +2379,7 @@ linux_ioctl_socket(struct thread *td, st
                printf("%s(): ioctl %d on %.*s\n", __func__,
                    args->cmd & 0xffff, LINUX_IFNAMSIZ, lifname);
 #endif
-               ifp = ifname_linux_to_bsd(lifname, ifname);
+               ifp = ifname_linux_to_bsd(td, lifname, ifname);
                if (ifp == NULL)
                        return (EINVAL);
                /*

Modified: head/sys/kern/kern_sysctl.c
==============================================================================
--- head/sys/kern/kern_sysctl.c Mon Jun 15 18:59:29 2009        (r194251)
+++ head/sys/kern/kern_sysctl.c Mon Jun 15 19:01:53 2009        (r194252)
@@ -1599,7 +1599,7 @@ userland_sysctl(struct thread *td, int *
                sx_xlock(&sysctlmemlock);
        } else
                memlocked = 0;
-       CURVNET_SET(TD_TO_VNET(curthread));
+       CURVNET_SET(TD_TO_VNET(td));
 
        for (;;) {
                req.oldidx = 0;

Modified: head/sys/kern/uipc_socket.c
==============================================================================
--- head/sys/kern/uipc_socket.c Mon Jun 15 18:59:29 2009        (r194251)
+++ head/sys/kern/uipc_socket.c Mon Jun 15 19:01:53 2009        (r194252)
@@ -359,7 +359,7 @@ socreate(int dom, struct socket **aso, i
 
        if (prp->pr_type != type)
                return (EPROTOTYPE);
-       so = soalloc(TD_TO_VNET(td));
+       so = soalloc(CRED_TO_VNET(cred));
        if (so == NULL)
                return (ENOBUFS);
 

Modified: head/sys/net/if_tun.c
==============================================================================
--- head/sys/net/if_tun.c       Mon Jun 15 18:59:29 2009        (r194251)
+++ head/sys/net/if_tun.c       Mon Jun 15 19:01:53 2009        (r194252)
@@ -226,7 +226,7 @@ tunclone(void *arg, struct ucred *cred, 
        else
                append_unit = 0;
 
-       CURVNET_SET(TD_TO_VNET(curthread));
+       CURVNET_SET(CRED_TO_VNET(cred));
        /* find any existing device, or allocate new unit number */
        i = clone_create(&tunclones, &tun_cdevsw, &u, dev, 0);
        if (i) {

Modified: head/sys/netinet/tcp_subr.c
==============================================================================
--- head/sys/netinet/tcp_subr.c Mon Jun 15 18:59:29 2009        (r194251)
+++ head/sys/netinet/tcp_subr.c Mon Jun 15 19:01:53 2009        (r194252)
@@ -131,7 +131,7 @@ static int  tcp_inflight_stab;
 static int
 sysctl_net_inet_tcp_mss_check(SYSCTL_HANDLER_ARGS)
 {
-       INIT_VNET_INET(curvnet);
+       INIT_VNET_INET(TD_TO_VNET(req->td));
        int error, new;
 
        new = V_tcp_mssdflt;
@@ -154,7 +154,7 @@ SYSCTL_V_PROC(V_NET, vnet_inet, _net_ine
 static int
 sysctl_net_inet_tcp_mss_v6_check(SYSCTL_HANDLER_ARGS)
 {
-       INIT_VNET_INET(curvnet);
+       INIT_VNET_INET(TD_TO_VNET(req->td));
        int error, new;
 
        new = V_tcp_v6mssdflt;

Modified: head/sys/sys/sysctl.h
==============================================================================
--- head/sys/sys/sysctl.h       Mon Jun 15 18:59:29 2009        (r194251)
+++ head/sys/sys/sysctl.h       Mon Jun 15 19:01:53 2009        (r194252)
@@ -456,7 +456,7 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_e
                break;                                                  \
        case V_NET:                                                     \
                cp = (char *)                                           \
-                   TD_TO_VNET(curthread)->mod_data[oidp->oid_v_mod];   \
+                   TD_TO_VNET(req->td)->mod_data[oidp->oid_v_mod];     \
                arg1 = cp + (size_t) arg1;                              \
                break;                                                  \
        case V_PROCG:                                                   \
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