Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

16 files changed, 262 insertions, 69 deletions

diff --git a/net/irda/Makefile b/net/irda/Makefile
index d1366c2a39..187f6c563a 100644
--- a/net/irda/Makefile
+++ b/net/irda/Makefile
@@ -10,6 +10,6 @@ obj-$(CONFIG_IRCOMM) += ircomm/
 irda-y := iriap.o iriap_event.o irlmp.o irlmp_event.o irlmp_frame.o \
           irlap.o irlap_event.o irlap_frame.o timer.o qos.o irqueue.o \
           irttp.o irda_device.o irias_object.o wrapper.o af_irda.o \
-          discovery.o parameters.o irmod.o
+          discovery.o parameters.o irnetlink.o irmod.o
 irda-$(CONFIG_PROC_FS) += irproc.o
 irda-$(CONFIG_SYSCTL) += irsysctl.o
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index dcd7e325b2..4c670cf6ae 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -2567,7 +2567,7 @@ int __init irsock_init(void)
  *    Remove IrDA protocol
  *
  */
-void __exit irsock_cleanup(void)
+void irsock_cleanup(void)
 {
         sock_unregister(PF_IRDA);
         proto_unregister(&irda_proto);
diff --git a/net/irda/discovery.c b/net/irda/discovery.c
index f097341286..af0cea721d 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -395,7 +395,7 @@ static int discovery_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations discovery_seq_ops = {
+static const struct seq_operations discovery_seq_ops = {
         .start  = discovery_seq_start,
         .next   = discovery_seq_next,
         .stop   = discovery_seq_stop,
diff --git a/net/irda/ircomm/ircomm_core.c b/net/irda/ircomm/ircomm_core.c
index 4749f8f553..2d63fa8e15 100644
--- a/net/irda/ircomm/ircomm_core.c
+++ b/net/irda/ircomm/ircomm_core.c
@@ -562,7 +562,7 @@ static int ircomm_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations ircomm_seq_ops = {
+static const struct seq_operations ircomm_seq_ops = {
         .start  = ircomm_seq_start,
         .next   = ircomm_seq_next,
         .stop   = ircomm_seq_stop,
diff --git a/net/irda/irda_device.c b/net/irda/irda_device.c
index 7b5def1ea6..435b563d29 100644
--- a/net/irda/irda_device.c
+++ b/net/irda/irda_device.c
@@ -95,14 +95,14 @@ int __init irda_device_init( void)
         return 0;
 }
 
-static void __exit leftover_dongle(void *arg)
+static void leftover_dongle(void *arg)
 {
         struct dongle_reg *reg = arg;
         IRDA_WARNING("IrDA: Dongle type %x not unregistered\n",
                      reg->type);
 }
 
-void __exit irda_device_cleanup(void)
+void irda_device_cleanup(void)
 {
         IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
 
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index 915d9384f3..ee3889fa49 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -153,7 +153,7 @@ int __init iriap_init(void)
  *    Initializes the IrIAP layer, called by the module cleanup code in
  *    irmod.c
  */
-void __exit iriap_cleanup(void)
+void iriap_cleanup(void)
 {
         irlmp_unregister_service(service_handle);
 
@@ -1066,7 +1066,7 @@ static int irias_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations irias_seq_ops = {
+static const struct seq_operations irias_seq_ops = {
         .start  = irias_seq_start,
         .next   = irias_seq_next,
         .stop   = irias_seq_stop,
diff --git a/net/irda/irias_object.c b/net/irda/irias_object.c
index 4adaae242b..cf30245709 100644
--- a/net/irda/irias_object.c
+++ b/net/irda/irias_object.c
@@ -36,39 +36,6 @@ hashbin_t *irias_objects;
  */
 struct ias_value irias_missing = { IAS_MISSING, 0, 0, 0, {0}};
 
-/*
- * Function strndup (str, max)
- *
- *    My own kernel version of strndup!
- *
- * Faster, check boundary... Jean II
- */
-static char *strndup(char *str, size_t max)
-{
-        char *new_str;
-        int len;
-
-        /* Check string */
-        if (str == NULL)
-                return NULL;
-        /* Check length, truncate */
-        len = strlen(str);
-        if(len > max)
-                len = max;
-
-        /* Allocate new string */
-        new_str = kmalloc(len + 1, GFP_ATOMIC);
-        if (new_str == NULL) {
-                IRDA_WARNING("%s: Unable to kmalloc!\n", __FUNCTION__);
-                return NULL;
-        }
-
-        /* Copy and truncate */
-        memcpy(new_str, str, len);
-        new_str[len] = '\0';
-
-        return new_str;
-}
 
 /*
  * Function ias_new_object (name, id)
@@ -90,7 +57,7 @@ struct ias_object *irias_new_object( char *name, int id)
         }
 
         obj->magic = IAS_OBJECT_MAGIC;
-        obj->name = strndup(name, IAS_MAX_CLASSNAME);
+        obj->name = kstrndup(name, IAS_MAX_CLASSNAME, GFP_ATOMIC);
         if (!obj->name) {
                 IRDA_WARNING("%s(), Unable to allocate name!\n",
                              __FUNCTION__);
@@ -360,7 +327,7 @@ void irias_add_integer_attrib(struct ias_object *obj, char *name, int value,
         }
 
         attrib->magic = IAS_ATTRIB_MAGIC;
-        attrib->name = strndup(name, IAS_MAX_ATTRIBNAME);
+        attrib->name = kstrndup(name, IAS_MAX_ATTRIBNAME, GFP_ATOMIC);
 
         /* Insert value */
         attrib->value = irias_new_integer_value(value);
@@ -404,7 +371,7 @@ void irias_add_octseq_attrib(struct ias_object *obj, char *name, __u8 *octets,
         }
 
         attrib->magic = IAS_ATTRIB_MAGIC;
-        attrib->name = strndup(name, IAS_MAX_ATTRIBNAME);
+        attrib->name = kstrndup(name, IAS_MAX_ATTRIBNAME, GFP_ATOMIC);
 
         attrib->value = irias_new_octseq_value( octets, len);
         if (!attrib->name || !attrib->value) {
@@ -446,7 +413,7 @@ void irias_add_string_attrib(struct ias_object *obj, char *name, char *value,
         }
 
         attrib->magic = IAS_ATTRIB_MAGIC;
-        attrib->name = strndup(name, IAS_MAX_ATTRIBNAME);
+        attrib->name = kstrndup(name, IAS_MAX_ATTRIBNAME, GFP_ATOMIC);
 
         attrib->value = irias_new_string_value(value);
         if (!attrib->name || !attrib->value) {
@@ -506,7 +473,7 @@ struct ias_value *irias_new_string_value(char *string)
 
         value->type = IAS_STRING;
         value->charset = CS_ASCII;
-        value->t.string = strndup(string, IAS_MAX_STRING);
+        value->t.string = kstrndup(string, IAS_MAX_STRING, GFP_ATOMIC);
         if (!value->t.string) {
                 IRDA_WARNING("%s: Unable to kmalloc!\n", __FUNCTION__);
                 kfree(value);
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index ed69773b0f..f5778ef3cc 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -1217,7 +1217,7 @@ static int irlan_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations irlan_seq_ops = {
+static const struct seq_operations irlan_seq_ops = {
         .start = irlan_seq_start,
         .next  = irlan_seq_next,
         .stop  = irlan_seq_stop,
diff --git a/net/irda/irlap.c b/net/irda/irlap.c
index d93ebd1143..3d76aafdb2 100644
--- a/net/irda/irlap.c
+++ b/net/irda/irlap.c
@@ -95,7 +95,7 @@ int __init irlap_init(void)
         return 0;
 }
 
-void __exit irlap_cleanup(void)
+void irlap_cleanup(void)
 {
         IRDA_ASSERT(irlap != NULL, return;);
 
@@ -1210,7 +1210,7 @@ static int irlap_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations irlap_seq_ops = {
+static const struct seq_operations irlap_seq_ops = {
         .start  = irlap_seq_start,
         .next   = irlap_seq_next,
         .stop   = irlap_seq_stop,
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 3013c49ab9..25a3444a92 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -101,6 +101,13 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
 
         irlap_insert_info(self, skb);
 
+        if (unlikely(self->mode & IRDA_MODE_MONITOR)) {
+                IRDA_DEBUG(3, "%s(): %s is in monitor mode\n", __FUNCTION__,
+                           self->netdev->name);
+                dev_kfree_skb(skb);
+                return;
+        }
+
         dev_queue_xmit(skb);
 }
 
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c
index 9df0461b6d..7efa930ed6 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -116,7 +116,7 @@ int __init irlmp_init(void)
  *    Remove IrLMP layer
  *
  */
-void __exit irlmp_cleanup(void)
+void irlmp_cleanup(void)
 {
         /* Check for main structure */
         IRDA_ASSERT(irlmp != NULL, return;);
@@ -1994,7 +1994,7 @@ static int irlmp_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations irlmp_seq_ops = {
+static const struct seq_operations irlmp_seq_ops = {
         .start  = irlmp_seq_start,
         .next   = irlmp_seq_next,
         .stop   = irlmp_seq_stop,
diff --git a/net/irda/irmod.c b/net/irda/irmod.c
index c7fad2c5b9..1900937b33 100644
--- a/net/irda/irmod.c
+++ b/net/irda/irmod.c
@@ -88,16 +88,23 @@ EXPORT_SYMBOL(irda_notify_init);
  */
 static int __init irda_init(void)
 {
+        int ret = 0;
+
         IRDA_DEBUG(0, "%s()\n", __FUNCTION__);
 
         /* Lower layer of the stack */
         irlmp_init();
         irlap_init();
 
+        /* Driver/dongle support */
+        irda_device_init();
+
         /* Higher layers of the stack */
         iriap_init();
         irttp_init();
-        irsock_init();
+        ret = irsock_init();
+        if (ret < 0)
+                goto out_err_1;
 
         /* Add IrDA packet type (Start receiving packets) */
         dev_add_pack(&irda_packet_type);
@@ -107,13 +114,44 @@ static int __init irda_init(void)
         irda_proc_register();
 #endif
 #ifdef CONFIG_SYSCTL
-        irda_sysctl_register();
+        ret = irda_sysctl_register();
+        if (ret < 0)
+                goto out_err_2;
 #endif
 
-        /* Driver/dongle support */
-        irda_device_init();
+        ret = irda_nl_register();
+        if (ret < 0)
+                goto out_err_3;
 
         return 0;
+
+ out_err_3:
+#ifdef CONFIG_SYSCTL
+        irda_sysctl_unregister();
+#endif
+ out_err_2:
+#ifdef CONFIG_PROC_FS
+        irda_proc_unregister();
+#endif
+
+        /* Remove IrDA packet type (stop receiving packets) */
+        dev_remove_pack(&irda_packet_type);
+
+        /* Remove higher layers */
+        irsock_cleanup();
+ out_err_1:
+        irttp_cleanup();
+        iriap_cleanup();
+
+        /* Remove lower layers */
+        irda_device_cleanup();
+        irlap_cleanup(); /* Must be done before irlmp_cleanup()! DB */
+
+        /* Remove middle layer */
+        irlmp_cleanup();
+
+
+        return ret;
 }
 
 /*
@@ -125,6 +163,8 @@ static int __init irda_init(void)
 static void __exit irda_cleanup(void)
 {
         /* Remove External APIs */
+        irda_nl_unregister();
+
 #ifdef CONFIG_SYSCTL
         irda_sysctl_unregister();
 #endif
diff --git a/net/irda/irnetlink.c b/net/irda/irnetlink.c
new file mode 100644
index 0000000000..694ea4d92f
--- /dev/null
+++ b/net/irda/irnetlink.c
@@ -0,0 +1,170 @@
+/*
+ * IrDA netlink layer, for stack configuration.
+ *
+ * Copyright (c) 2007 Samuel Ortiz <samuel@sortiz.org>
+ *
+ * Partly based on the 802.11 nelink implementation
+ * (see net/wireless/nl80211.c) which is:
+ * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/socket.h>
+#include <linux/irda.h>
+#include <net/sock.h>
+#include <net/irda/irda.h>
+#include <net/irda/irlap.h>
+#include <net/genetlink.h>
+
+
+
+static struct genl_family irda_nl_family = {
+        .id = GENL_ID_GENERATE,
+        .name = IRDA_NL_NAME,
+        .hdrsize = 0,
+        .version = IRDA_NL_VERSION,
+        .maxattr = IRDA_NL_CMD_MAX,
+};
+
+static struct net_device * ifname_to_netdev(struct genl_info *info)
+{
+        char * ifname;
+
+        if (!info->attrs[IRDA_NL_ATTR_IFNAME])
+                return NULL;
+
+        ifname = nla_data(info->attrs[IRDA_NL_ATTR_IFNAME]);
+
+        IRDA_DEBUG(5, "%s(): Looking for %s\n", __FUNCTION__, ifname);
+
+        return dev_get_by_name(ifname);
+}
+
+static int irda_nl_set_mode(struct sk_buff *skb, struct genl_info *info)
+{
+        struct net_device * dev;
+        struct irlap_cb * irlap;
+        u32 mode;
+
+        if (!info->attrs[IRDA_NL_ATTR_MODE])
+                return -EINVAL;
+
+        mode = nla_get_u32(info->attrs[IRDA_NL_ATTR_MODE]);
+
+        IRDA_DEBUG(5, "%s(): Switching to mode: %d\n", __FUNCTION__, mode);
+
+        dev = ifname_to_netdev(info);
+        if (!dev)
+                return -ENODEV;
+
+        irlap = (struct irlap_cb *)dev->atalk_ptr;
+        if (!irlap) {
+                dev_put(dev);
+                return -ENODEV;
+        }
+
+        irlap->mode = mode;
+
+        dev_put(dev);
+
+        return 0;
+}
+
+static int irda_nl_get_mode(struct sk_buff *skb, struct genl_info *info)
+{
+        struct net_device * dev;
+        struct irlap_cb * irlap;
+        struct sk_buff *msg;
+        void *hdr;
+        int ret = -ENOBUFS;
+
+        dev = ifname_to_netdev(info);
+        if (!dev)
+                return -ENODEV;
+
+        msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+        if (!msg) {
+                dev_put(dev);
+                return -ENOMEM;
+        }
+
+        irlap = (struct irlap_cb *)dev->atalk_ptr;
+        if (!irlap) {
+                ret = -ENODEV;
+                goto err_out;
+        }
+
+        hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq,
+                          &irda_nl_family, 0,  IRDA_NL_CMD_GET_MODE);
+        if (IS_ERR(hdr)) {
+                ret = PTR_ERR(hdr);
+                goto err_out;
+        }
+
+        if(nla_put_string(msg, IRDA_NL_ATTR_IFNAME,
+                          dev->name));
+                goto err_out;
+
+        if(nla_put_u32(msg, IRDA_NL_ATTR_MODE, irlap->mode))
+                goto err_out;
+
+        genlmsg_end(msg, hdr);
+
+        return genlmsg_unicast(msg, info->snd_pid);
+
+ err_out:
+        nlmsg_free(msg);
+        dev_put(dev);
+
+        return ret;
+}
+
+static struct nla_policy irda_nl_policy[IRDA_NL_ATTR_MAX + 1] = {
+        [IRDA_NL_ATTR_IFNAME] = { .type = NLA_NUL_STRING,
+                                  .len = IFNAMSIZ-1 },
+        [IRDA_NL_ATTR_MODE] = { .type = NLA_U32 },
+};
+
+static struct genl_ops irda_nl_ops[] = {
+        {
+                .cmd = IRDA_NL_CMD_SET_MODE,
+                .doit = irda_nl_set_mode,
+                .policy = irda_nl_policy,
+                .flags = GENL_ADMIN_PERM,
+        },
+        {
+                .cmd = IRDA_NL_CMD_GET_MODE,
+                .doit = irda_nl_get_mode,
+                .policy = irda_nl_policy,
+                /* can be retrieved by unprivileged users */
+        },
+
+};
+
+int irda_nl_register(void)
+{
+        int err, i;
+
+        err = genl_register_family(&irda_nl_family);
+        if (err)
+                return err;
+
+        for (i = 0; i < ARRAY_SIZE(irda_nl_ops); i++) {
+                err = genl_register_ops(&irda_nl_family, &irda_nl_ops[i]);
+                if (err)
+                        goto err_out;
+        }
+        return 0;
+ err_out:
+        genl_unregister_family(&irda_nl_family);
+        return err;
+}
+
+void irda_nl_unregister(void)
+{
+        genl_unregister_family(&irda_nl_family);
+}
diff --git a/net/irda/irproc.c b/net/irda/irproc.c
index d6f9aba5b9..181cb51b48 100644
--- a/net/irda/irproc.c
+++ b/net/irda/irproc.c
@@ -84,7 +84,7 @@ void __init irda_proc_register(void)
  *    Unregister irda entry in /proc file system
  *
  */
-void __exit irda_proc_unregister(void)
+void irda_proc_unregister(void)
 {
         int i;
 
diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c
index 2e968e7d8f..957e04feb0 100644
--- a/net/irda/irsysctl.c
+++ b/net/irda/irsysctl.c
@@ -287,7 +287,7 @@ int __init irda_sysctl_register(void)
  *    Unregister our sysctl interface
  *
  */
-void __exit irda_sysctl_unregister(void)
+void irda_sysctl_unregister(void)
 {
         unregister_sysctl_table(irda_table_header);
 }
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 7069e4a582..3d7ab03fb1 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -109,7 +109,7 @@ int __init irttp_init(void)
  *    Called by module destruction/cleanup code
  *
  */
-void __exit irttp_cleanup(void)
+void irttp_cleanup(void)
 {
         /* Check for main structure */
         IRDA_ASSERT(irttp->magic == TTP_MAGIC, return;);
@@ -369,6 +369,20 @@ static int irttp_param_max_sdu_size(void *instance, irda_param_t *param,
 /* Everything is happily mixed up. Waiting for next clean up - Jean II */
 
 /*
+ * Initialization, that has to be done on new tsap
+ * instance allocation and on duplication
+ */
+static void irttp_init_tsap(struct tsap_cb *tsap)
+{
+        spin_lock_init(&tsap->lock);
+        init_timer(&tsap->todo_timer);
+
+        skb_queue_head_init(&tsap->rx_queue);
+        skb_queue_head_init(&tsap->tx_queue);
+        skb_queue_head_init(&tsap->rx_fragments);
+}
+
+/*
  * Function irttp_open_tsap (stsap, notify)
  *
  *    Create TSAP connection endpoint,
@@ -395,10 +409,11 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify)
                 IRDA_DEBUG(0, "%s(), unable to kmalloc!\n", __FUNCTION__);
                 return NULL;
         }
-        spin_lock_init(&self->lock);
+
+        /* Initialize internal objects */
+        irttp_init_tsap(self);
 
         /* Initialise todo timer */
-        init_timer(&self->todo_timer);
         self->todo_timer.data     = (unsigned long) self;
         self->todo_timer.function = &irttp_todo_expired;
 
@@ -418,9 +433,6 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify)
         self->magic = TTP_TSAP_MAGIC;
         self->connected = FALSE;
 
-        skb_queue_head_init(&self->rx_queue);
-        skb_queue_head_init(&self->tx_queue);
-        skb_queue_head_init(&self->rx_fragments);
         /*
          *  Create LSAP at IrLMP layer
          */
@@ -1455,12 +1467,9 @@ struct tsap_cb *irttp_dup(struct tsap_cb *orig, void *instance)
 
         /* Not everything should be copied */
         new->notify.instance = instance;
-        spin_lock_init(&new->lock);
-        init_timer(&new->todo_timer);
 
-        skb_queue_head_init(&new->rx_queue);
-        skb_queue_head_init(&new->tx_queue);
-        skb_queue_head_init(&new->rx_fragments);
+        /* Initialize internal objects */
+        irttp_init_tsap(new);
 
         /* This is locked */
         hashbin_insert(irttp->tsaps, (irda_queue_t *) new, (long) new, NULL);
@@ -1866,7 +1875,7 @@ static int irttp_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations irttp_seq_ops = {
+static const struct seq_operations irttp_seq_ops = {
         .start  = irttp_seq_start,
         .next   = irttp_seq_next,
         .stop   = irttp_seq_stop,