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yaml
---
r: 58959
b: refs/heads/master
c: 89da1ec
h: refs/heads/master
i:
  58957: ec14c91
  58955: c397a16
  58951: c100fd6
  58943: 2d201ea
v: v3
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Samuel Ortiz authored and David S. Miller committed Jul 11, 2007
1 parent f8871c4 commit 7dba3fc
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Showing 7 changed files with 248 additions and 6 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8c644623fe7e41f59fe97cdf666cba3cb7ced7d8
refs/heads/master: 89da1ecf5483e6aa29b456a15ad6d05a6797c5a5
27 changes: 27 additions & 0 deletions trunk/include/linux/irda.h
Original file line number Diff line number Diff line change
Expand Up @@ -216,6 +216,33 @@ struct if_irda_req {
#define ifr_dtr ifr_ifru.ifru_line.dtr
#define ifr_rts ifr_ifru.ifru_line.rts


/* IrDA netlink definitions */
#define IRDA_NL_NAME "irda"
#define IRDA_NL_VERSION 1

enum irda_nl_commands {
IRDA_NL_CMD_UNSPEC,
IRDA_NL_CMD_SET_MODE,
IRDA_NL_CMD_GET_MODE,

__IRDA_NL_CMD_AFTER_LAST
};
#define IRDA_NL_CMD_MAX (__IRDA_NL_CMD_AFTER_LAST - 1)

enum nl80211_attrs {
IRDA_NL_ATTR_UNSPEC,
IRDA_NL_ATTR_IFNAME,
IRDA_NL_ATTR_MODE,

__IRDA_NL_ATTR_AFTER_LAST
};
#define IRDA_NL_ATTR_MAX (__IRDA_NL_ATTR_AFTER_LAST - 1)

/* IrDA modes */
#define IRDA_MODE_PRIMARY 0x1
#define IRDA_MODE_SECONDARY 0x2

#endif /* KERNEL_IRDA_H */


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3 changes: 3 additions & 0 deletions trunk/include/net/irda/irda.h
Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,9 @@ extern void irda_sysctl_unregister(void);
extern int irsock_init(void);
extern void irsock_cleanup(void);

extern int irda_nl_register(void);
extern void irda_nl_unregister(void);

extern int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev);
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2 changes: 2 additions & 0 deletions trunk/include/net/irda/irlap.h
Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,8 @@ struct irlap_cb {
int xbofs_delay; /* Nr of XBOF's used to MTT */
int bofs_count; /* Negotiated extra BOFs */
int next_bofs; /* Negotiated extra BOFs after next frame */

int mode; /* IrLAP mode (primary, secondary or monitor) */
};

/*
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2 changes: 1 addition & 1 deletion trunk/net/irda/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -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
48 changes: 44 additions & 4 deletions trunk/net/irda/irmod.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand All @@ -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;
}

/*
Expand All @@ -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
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170 changes: 170 additions & 0 deletions trunk/net/irda/irnetlink.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,170 @@
/*
* IrDA netlink layer, for stack configuration.
*
* Copyright (c) 2007 Samuel Ortiz <samuel@sortiz>
*
* 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);
}

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