xnu-344.23.tar.gz

[apple/xnu.git] / bsd / netat / ddp_lap.c

diff --git a/bsd/netat/ddp_lap.c b/bsd/netat/ddp_lap.c
index 626d22f09584ef5f8d9007d589b00debfe744d08..2cdddeb8d104913e5a3a0071516487aeb387e541 100644 (file)
--- a/bsd/netat/ddp_lap.c
+++ b/bsd/netat/ddp_lap.c
@@ -56,6 +56,8 @@
 #include <sys/socketvar.h>
 #include <sys/malloc.h>
 #include <sys/sockio.h>
+#include <vm/vm_kern.h>         /* for kernel_map */
+
 
 #include <net/if.h>
 #include <net/if_types.h>
@@ -77,6 +79,8 @@
 #include <netat/adsp.h>
 #include <netat/adsp_internal.h>
 
+#include <sys/kern_event.h>
+
 /* globals */
 
 at_ifaddr_t at_interfaces[IF_TOTAL_MAX];
@@ -948,7 +952,7 @@ static void elap_online2(elapp)
 
                elapp->ifState = LAP_ONLINE_ZONELESS;
                elapp->startup_inprogress = FALSE;
-               thread_wakeup(&elapp->startup_inprogress);
+               wakeup(&elapp->startup_inprogress);
                dPrintf(D_M_ELAP, D_L_STARTUP_INFO, ("elap_online: ack 3\n"));
                return;
        }
@@ -1073,8 +1077,8 @@ int ddp_shutdown(count_only)
        struct atp_state *atp, *atp_next;
        CCB *sp, *sp_next;
        gref_t *gref;
-       int i, s,
-         active_skts = 0;      /* count of active pids for non-socketized
+       vm_offset_t temp_rcb_data, temp_state_data;
+       int i, s, active_skts = 0;      /* count of active pids for non-socketized
                                   AppleTalk protocols */
        extern int aarp_sched_probe();
 
@@ -1137,7 +1141,7 @@ int ddp_shutdown(count_only)
                }
          }
        }
-
+       
        /* ADSP */
        for (sp = ccb_used_list; sp ; ) {
            sp_next = sp->otccbLink;
@@ -1196,6 +1200,8 @@ int ddp_shutdown(count_only)
        }          
 
        at_state.flags = 0;     /* make sure inits are done on restart */
+       
+       wakeup(&ifID_home->startup_inprogress); /* if rtmp_router_start still starting up */
 
        /* from original ddp_shutdown() */
        routershutdown();
@@ -1205,6 +1211,8 @@ int ddp_shutdown(count_only)
                CleanupGlobals();
                adspInited = 0;
        }
+       
+        
        dPrintf(D_M_DDP, D_L_VERBOSE, ("DDP shutdown completed"));
 
        /*
@@ -1223,6 +1231,29 @@ int ddp_shutdown(count_only)
                elap_offline(ifID);
        }
        ddp_start();
+       
+       /* free buffers for large arrays used by atp.
+        * to prevent a race condition if the funnel is dropped
+        * while calling kmem_free, the fields are grabbed and
+        * zeroed first.
+        */
+       if (atp_rcb_data != NULL) {
+               temp_rcb_data = (vm_offset_t)atp_rcb_data; 
+               atp_rcb_data = NULL;
+               atp_rcb_free_list = NULL;
+       } else
+               temp_rcb_data = NULL;
+       if (atp_state_data != NULL) {
+               temp_state_data = (vm_offset_t)atp_state_data;
+               atp_state_data = NULL;
+               atp_free_list = NULL;
+       } else
+               temp_state_data = NULL;
+
+       if (temp_rcb_data)
+         kmem_free(kernel_map, temp_rcb_data, sizeof(struct atp_rcb) * NATP_RCB);
+       if (temp_state_data)
+         kmem_free(kernel_map, temp_state_data, sizeof(struct atp_state) * NATP_STATE);
 
        splx(s);
        return(0);
@@ -1291,6 +1322,10 @@ void ZIPwakeup(elapp, ZipError)
                switch (ZipError) {
                        case 0 : /* success */
                            elapp->ifState = LAP_ONLINE;
+
+                               /* Send event with zone info. */
+                               atalk_post_msg(elapp->aa_ifp, KEV_ATALK_ZONEUPDATED, 0, &(elapp->ifZoneName));
+                               
                            break;
                        case ZIP_RE_AARP :
                            /* instead of goto re_aarp; */
@@ -1298,7 +1333,7 @@ void ZIPwakeup(elapp, ZipError)
                               appletalk node addr */
                            if ((elapp->startup_error = re_aarp(elapp))) {
                                elapp->startup_inprogress = FALSE;
-                               thread_wakeup(&elapp->startup_inprogress);
+                               wakeup(&elapp->startup_inprogress);
                                dPrintf(D_M_ELAP, D_L_STARTUP_INFO, 
                                        ("elap_online: ack 2\n"));
                            }
@@ -1309,7 +1344,7 @@ void ZIPwakeup(elapp, ZipError)
                if (ZipError != ZIP_RE_AARP) {
                        elapp->startup_error = error;
                        elapp->startup_inprogress = FALSE;
-                       thread_wakeup(&elapp->startup_inprogress);
+                       wakeup(&elapp->startup_inprogress);
                        dPrintf(D_M_ELAP, D_L_STARTUP_INFO,
                                ("elap_online: ifZipError=%d\n", error));
                }
@@ -1342,7 +1377,7 @@ void AARPwakeup(probe_cb)
                        ddp_rem_if(elapp);
                        elapp->startup_error = EADDRNOTAVAIL;
                        elapp->startup_inprogress = FALSE;
-                       thread_wakeup(&elapp->startup_inprogress);
+                       wakeup(&elapp->startup_inprogress);
                        dPrintf(D_M_ELAP, D_L_STARTUP_INFO, ("elap_online: ack 2\n"));
                } else {
                        dPrintf(D_M_ELAP,D_L_STARTUP_INFO,