svn commit: r327386 - head/sys/net

[Bryan Venteicher]

Author: bryanv
Date: Sat Dec 30 19:49:40 2017
New Revision: 327386
URL: https://svnweb.freebsd.org/changeset/base/327386

Log:
  Add macro for vxlan list mutex lock and unlock
  
  This will simplify some later VNET support.
  
  Submitted by: hrs
  MFC after:    2 weeks

Modified:
  head/sys/net/if_vxlan.c

Modified: head/sys/net/if_vxlan.c
==============================================================================
--- head/sys/net/if_vxlan.c     Sat Dec 30 19:35:12 2017        (r327385)
+++ head/sys/net/if_vxlan.c     Sat Dec 30 19:49:40 2017        (r327386)
@@ -381,7 +381,11 @@ static const char vxlan_name[] = "vxlan";
 static MALLOC_DEFINE(M_VXLAN, vxlan_name,
     "Virtual eXtensible LAN Interface");
 static struct if_clone *vxlan_cloner;
+
 static struct mtx vxlan_list_mtx;
+#define VXLAN_LIST_LOCK()      mtx_lock(&vxlan_list_mtx)
+#define VXLAN_LIST_UNLOCK()    mtx_unlock(&vxlan_list_mtx)
+
 static LIST_HEAD(, vxlan_socket) vxlan_socket_list;
 
 static eventhandler_tag vxlan_ifdetach_event_tag;
@@ -890,11 +894,11 @@ vxlan_socket_release(struct vxlan_socket *vso)
 {
        int destroy;
 
-       mtx_lock(&vxlan_list_mtx);
+       VXLAN_LIST_LOCK();
        destroy = VXLAN_SO_RELEASE(vso);
        if (destroy != 0)
                LIST_REMOVE(vso, vxlso_entry);
-       mtx_unlock(&vxlan_list_mtx);
+       VXLAN_LIST_UNLOCK();
 
        if (destroy != 0)
                vxlan_socket_destroy(vso);
@@ -905,14 +909,14 @@ vxlan_socket_lookup(union vxlan_sockaddr *vxlsa)
 {
        struct vxlan_socket *vso;
 
-       mtx_lock(&vxlan_list_mtx);
+       VXLAN_LIST_LOCK();
        LIST_FOREACH(vso, &vxlan_socket_list, vxlso_entry) {
                if (vxlan_sockaddr_cmp(&vso->vxlso_laddr, &vxlsa->sa) == 0) {
                        VXLAN_SO_ACQUIRE(vso);
                        break;
                }
        }
-       mtx_unlock(&vxlan_list_mtx);
+       VXLAN_LIST_UNLOCK();
 
        return (vso);
 }
@@ -921,10 +925,10 @@ static void
 vxlan_socket_insert(struct vxlan_socket *vso)
 {
 
-       mtx_lock(&vxlan_list_mtx);
+       VXLAN_LIST_LOCK();
        VXLAN_SO_ACQUIRE(vso);
        LIST_INSERT_HEAD(&vxlan_socket_list, vso, vxlso_entry);
-       mtx_unlock(&vxlan_list_mtx);
+       VXLAN_LIST_UNLOCK();
 }
 
 static int
@@ -3116,10 +3120,10 @@ vxlan_ifdetach_event(void *arg __unused, struct ifnet 
        if ((ifp->if_flags & IFF_MULTICAST) == 0)
                return;
 
-       mtx_lock(&vxlan_list_mtx);
+       VXLAN_LIST_LOCK();
        LIST_FOREACH(vso, &vxlan_socket_list, vxlso_entry)
                vxlan_socket_ifdetach(vso, ifp, &list);
-       mtx_unlock(&vxlan_list_mtx);
+       VXLAN_LIST_UNLOCK();
 
        LIST_FOREACH_SAFE(sc, &list, vxl_ifdetach_list, tsc) {
                LIST_REMOVE(sc, vxl_ifdetach_list);
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