X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/2d21ac55c334faf3a56e5634905ed6987fc787d4..b226f5e54a60dc81db17b1260381d7dbfea3cdf1:/bsd/net/if_mib.c

diff --git a/bsd/net/if_mib.c b/bsd/net/if_mib.c
index 17e1433bc..92544dd1e 100644
--- a/bsd/net/if_mib.c
+++ b/bsd/net/if_mib.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -65,8 +65,7 @@
 
 #include <net/if.h>
 #include <net/if_mib.h>
-
-#if NETMIBS
+#include <net/if_var.h>
 
 /*
  * A sysctl(3) MIB for generic interface information.  This information
@@ -96,55 +95,48 @@ SYSCTL_DECL(_net_link_generic);
 SYSCTL_NODE(_net_link_generic, IFMIB_SYSTEM, system, CTLFLAG_RD|CTLFLAG_LOCKED, 0,
 	    "Variables global to all interfaces");
 
-SYSCTL_INT(_net_link_generic_system, IFMIB_IFCOUNT, ifcount, CTLFLAG_RD,
+SYSCTL_INT(_net_link_generic_system, IFMIB_IFCOUNT, ifcount, CTLFLAG_RD | CTLFLAG_LOCKED,
 	   &if_index, 0, "Number of configured interfaces");
 
 static int sysctl_ifdata SYSCTL_HANDLER_ARGS;
-SYSCTL_NODE(_net_link_generic, IFMIB_IFDATA, ifdata, CTLFLAG_RD,
+SYSCTL_NODE(_net_link_generic, IFMIB_IFDATA, ifdata, CTLFLAG_RD | CTLFLAG_LOCKED,
             sysctl_ifdata, "Interface table");
 
 static int sysctl_ifalldata SYSCTL_HANDLER_ARGS;
-SYSCTL_NODE(_net_link_generic, IFMIB_IFALLDATA, ifalldata, CTLFLAG_RD,
+SYSCTL_NODE(_net_link_generic, IFMIB_IFALLDATA, ifalldata, CTLFLAG_RD | CTLFLAG_LOCKED,
             sysctl_ifalldata, "Interface table");
 
-extern int dlil_multithreaded_input;
-SYSCTL_INT(_net_link_generic_system, OID_AUTO, multi_threaded_input, CTLFLAG_RW,
-		    &dlil_multithreaded_input , 0, "Uses multiple input thread for DLIL input");
-#ifdef IFNET_INPUT_SANITY_CHK
-extern int dlil_input_sanity_check;
-SYSCTL_INT(_net_link_generic_system, OID_AUTO, dlil_input_sanity_check, CTLFLAG_RW,
-		    &dlil_input_sanity_check , 0, "Turn on sanity checking in DLIL input");
-#endif
-
 static int make_ifmibdata(struct ifnet *, int *, struct sysctl_req *);
 
-
-int 
+int
 make_ifmibdata(struct ifnet *ifp, int *name, struct sysctl_req *req)
 {
 	struct ifmibdata	ifmd;
 	int error = 0;
-	
+
 	switch(name[1]) {
 	default:
 		error = ENOENT;
 		break;
 
 	case IFDATA_GENERAL:
-		
 		bzero(&ifmd, sizeof(ifmd));
-		snprintf(ifmd.ifmd_name, sizeof(ifmd.ifmd_name), "%s%d",
-			ifp->if_name, ifp->if_unit);
+		/*
+		 * Make sure the interface is in use
+		 */
+		if (ifnet_is_attached(ifp, 0)) {
+			snprintf(ifmd.ifmd_name, sizeof(ifmd.ifmd_name), "%s",
+				if_name(ifp));
 
 #define COPY(fld) ifmd.ifmd_##fld = ifp->if_##fld
-		COPY(pcount);
-		COPY(flags);
-		if_data_internal_to_if_data64(ifp, &ifp->if_data, &ifmd.ifmd_data);
+			COPY(pcount);
+			COPY(flags);
+			if_data_internal_to_if_data64(ifp, &ifp->if_data, &ifmd.ifmd_data);
 #undef COPY
-		ifmd.ifmd_snd_len = ifp->if_snd.ifq_len;
-		ifmd.ifmd_snd_maxlen = ifp->if_snd.ifq_maxlen;
-		ifmd.ifmd_snd_drops = ifp->if_snd.ifq_drops;
-
+			ifmd.ifmd_snd_len = IFCQ_LEN(&ifp->if_snd);
+			ifmd.ifmd_snd_maxlen = IFCQ_MAXLEN(&ifp->if_snd);
+			ifmd.ifmd_snd_drops = ifp->if_snd.ifcq_dropcnt.packets;
+		}
 		error = SYSCTL_OUT(req, &ifmd, sizeof ifmd);
 		if (error || !req->newptr)
 			break;
@@ -182,58 +174,87 @@ make_ifmibdata(struct ifnet *ifp, int *name, struct sysctl_req *req)
 			break;
 #endif /* IF_MIB_WR */
 		break;
+
+	case IFDATA_SUPPLEMENTAL: {
+		struct ifmibdata_supplemental *ifmd_supp;
+
+		if ((ifmd_supp = _MALLOC(sizeof (*ifmd_supp), M_TEMP,
+		    M_NOWAIT | M_ZERO)) == NULL) {
+			error = ENOMEM;
+			break;
+		}
+
+		if_copy_traffic_class(ifp, &ifmd_supp->ifmd_traffic_class);
+		if_copy_data_extended(ifp, &ifmd_supp->ifmd_data_extended);
+		if_copy_packet_stats(ifp, &ifmd_supp->ifmd_packet_stats);
+		if_copy_rxpoll_stats(ifp, &ifmd_supp->ifmd_rxpoll_stats);
+
+		if (req->oldptr == USER_ADDR_NULL)
+			req->oldlen = sizeof (*ifmd_supp);
+
+		error = SYSCTL_OUT(req, ifmd_supp, MIN(sizeof (*ifmd_supp),
+		    req->oldlen));
+
+		_FREE(ifmd_supp, M_TEMP);
+		break;
+	}
 	}
-	
+
 	return error;
 }
 
 int
 sysctl_ifdata SYSCTL_HANDLER_ARGS /* XXX bad syntax! */
 {
+#pragma unused(oidp)
 	int *name = (int *)arg1;
 	int error = 0;
 	u_int namelen = arg2;
 	struct ifnet *ifp;
 
 	if (namelen != 2)
-		return EINVAL;
+		return (EINVAL);
 
+	ifnet_head_lock_shared();
 	if (name[0] <= 0 || name[0] > if_index ||
-	    (ifp = ifindex2ifnet[name[0]]) == NULL)
-		return ENOENT;
+	    (ifp = ifindex2ifnet[name[0]]) == NULL) {
+		ifnet_head_done();
+		return (ENOENT);
+	}
+	ifnet_reference(ifp);
+	ifnet_head_done();
 
 	ifnet_lock_shared(ifp);
-	
 	error = make_ifmibdata(ifp, name, req);
-	
 	ifnet_lock_done(ifp);
-	
-	return error;
+
+	ifnet_release(ifp);
+
+	return (error);
 }
 
 int
 sysctl_ifalldata SYSCTL_HANDLER_ARGS /* XXX bad syntax! */
 {
+#pragma unused(oidp)
 	int *name = (int *)arg1;
 	int error = 0;
 	u_int namelen = arg2;
 	struct ifnet *ifp;
 
 	if (namelen != 2)
-		return EINVAL;
+		return (EINVAL);
 
 	ifnet_head_lock_shared();
 	TAILQ_FOREACH(ifp, &ifnet_head, if_link) {
 		ifnet_lock_shared(ifp);
-		
+
 		error = make_ifmibdata(ifp, name, req);
-		
+
 		ifnet_lock_done(ifp);
-		if (error)
+		if (error != 0)
 			break;
 	}
 	ifnet_head_done();
 	return error;
 }
-
-#endif