svn commit: r206088 - in stable/8: sys/netgraph usr.bin/netstat
Gleb Smirnoff
glebius at FreeBSD.org
Fri Apr 2 11:07:55 UTC 2010
Author: glebius
Date: Fri Apr 2 11:07:55 2010
New Revision: 206088
URL: http://svn.freebsd.org/changeset/base/206088
Log:
Merge r205082, r205083 that fix 'netstat -f netgraph' functionality.
Modified:
stable/8/sys/netgraph/ng_socket.c
stable/8/sys/netgraph/ng_socketvar.h
stable/8/usr.bin/netstat/netgraph.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/net/ (props changed)
stable/8/usr.bin/netstat/ (props changed)
Modified: stable/8/sys/netgraph/ng_socket.c
==============================================================================
--- stable/8/sys/netgraph/ng_socket.c Fri Apr 2 11:05:59 2010 (r206087)
+++ stable/8/sys/netgraph/ng_socket.c Fri Apr 2 11:07:55 2010 (r206088)
@@ -156,6 +156,11 @@ static u_long ngpdg_recvspace = 20 * 102
SYSCTL_INT(_net_graph, OID_AUTO, recvspace, CTLFLAG_RW,
&ngpdg_recvspace , 0, "Maximum space for incoming Netgraph datagrams");
+/* List of all sockets (for netstat -f netgraph) */
+static LIST_HEAD(, ngpcb) ngsocklist;
+
+static struct mtx ngsocketlist_mtx;
+
#define sotongpcb(so) ((struct ngpcb *)(so)->so_pcb)
/* If getting unexplained errors returned, set this to "kdb_enter("X"); */
@@ -547,6 +552,9 @@ ng_attach_cntl(struct socket *so)
return (error);
}
+ /* Store a hint for netstat(1). */
+ priv->node_id = priv->node->nd_ID;
+
/* Link the node and the private data. */
NG_NODE_SET_PRIVATE(priv->node, priv);
NG_NODE_REF(priv->node);
@@ -584,6 +592,10 @@ ng_attach_common(struct socket *so, int
so->so_pcb = (caddr_t)pcbp;
pcbp->ng_socket = so;
+ /* Add the socket to linked list */
+ mtx_lock(&ngsocketlist_mtx);
+ LIST_INSERT_HEAD(&ngsocklist, pcbp, socks);
+ mtx_unlock(&ngsocketlist_mtx);
return (0);
}
@@ -617,6 +629,9 @@ ng_detach_common(struct ngpcb *pcbp, int
}
pcbp->ng_socket->so_pcb = NULL;
+ mtx_lock(&ngsocketlist_mtx);
+ LIST_REMOVE(pcbp, socks);
+ mtx_unlock(&ngsocketlist_mtx);
free(pcbp, M_PCB);
}
@@ -1115,8 +1130,14 @@ ngs_mod_event(module_t mod, int event, v
switch (event) {
case MOD_LOAD:
+ mtx_init(&ngsocketlist_mtx, "ng_socketlist", NULL, MTX_DEF);
break;
case MOD_UNLOAD:
+ /* Ensure there are no open netgraph sockets. */
+ if (!LIST_EMPTY(&ngsocklist)) {
+ error = EBUSY;
+ break;
+ }
#ifdef NOTYET
/* Unregister protocol domain XXX can't do this yet.. */
#endif
Modified: stable/8/sys/netgraph/ng_socketvar.h
==============================================================================
--- stable/8/sys/netgraph/ng_socketvar.h Fri Apr 2 11:05:59 2010 (r206087)
+++ stable/8/sys/netgraph/ng_socketvar.h Fri Apr 2 11:07:55 2010 (r206088)
@@ -61,6 +61,7 @@ struct ngsock {
int refs;
struct mtx mtx; /* mtx to wait on */
int error; /* place to store error */
+ ng_ID_t node_id; /* a hint for netstat(1) to find the node */
};
#define NGS_FLAG_NOLINGER 1 /* close with last hook */
Modified: stable/8/usr.bin/netstat/netgraph.c
==============================================================================
--- stable/8/usr.bin/netstat/netgraph.c Fri Apr 2 11:05:59 2010 (r206087)
+++ stable/8/usr.bin/netstat/netgraph.c Fri Apr 2 11:07:55 2010 (r206088)
@@ -166,14 +166,14 @@ netgraphprotopr(u_long off, const char *
name, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc);
/* Get ngsock structure */
- if (ngpcb.sockdata == 0) /* unconnected data socket */
+ if (ngpcb.sockdata == NULL) /* unconnected data socket */
goto finish;
kread((u_long)ngpcb.sockdata, (char *)&info, sizeof(info));
/* Get info on associated node */
- if (info.node == 0 || csock == -1)
+ if (info.node_id == 0 || csock == -1)
goto finish;
- snprintf(path, sizeof(path), "[%lx]:", (u_long) info.node);
+ snprintf(path, sizeof(path), "[%x]:", info.node_id);
if (NgSendMsg(csock, path,
NGM_GENERIC_COOKIE, NGM_NODEINFO, NULL, 0) < 0)
goto finish;
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