summaryrefslogtreecommitdiffstats
path: root/net/ieee802154
diff options
context:
space:
mode:
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/6lowpan_rtnl.c108
-rw-r--r--net/ieee802154/Makefile4
-rw-r--r--net/ieee802154/af802154.h4
-rw-r--r--net/ieee802154/af_ieee802154.c4
-rw-r--r--net/ieee802154/core.c (renamed from net/ieee802154/wpan-class.c)79
-rw-r--r--net/ieee802154/dgram.c6
-rw-r--r--net/ieee802154/header_ops.c3
-rw-r--r--net/ieee802154/ieee802154.h4
-rw-r--r--net/ieee802154/netlink.c4
-rw-r--r--net/ieee802154/nl-mac.c27
-rw-r--r--net/ieee802154/nl-phy.c6
-rw-r--r--net/ieee802154/nl_policy.c4
-rw-r--r--net/ieee802154/raw.c4
-rw-r--r--net/ieee802154/reassembly.c8
-rw-r--r--net/ieee802154/reassembly.h4
-rw-r--r--net/ieee802154/sysfs.c94
-rw-r--r--net/ieee802154/sysfs.h9
17 files changed, 191 insertions, 181 deletions
diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c
index 44136297b673..519a65452d90 100644
--- a/net/ieee802154/6lowpan_rtnl.c
+++ b/net/ieee802154/6lowpan_rtnl.c
@@ -49,8 +49,8 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/netdevice.h>
+#include <linux/ieee802154.h>
#include <net/af_ieee802154.h>
-#include <net/ieee802154.h>
#include <net/ieee802154_netdev.h>
#include <net/6lowpan.h>
#include <net/ipv6.h>
@@ -58,12 +58,13 @@
#include "reassembly.h"
static LIST_HEAD(lowpan_devices);
+static int lowpan_open_count;
/* private device info */
struct lowpan_dev_info {
struct net_device *real_dev; /* real WPAN device ptr */
struct mutex dev_list_mtx; /* mutex for list ops */
- __be16 fragment_tag;
+ u16 fragment_tag;
};
struct lowpan_dev_record {
@@ -140,24 +141,33 @@ static int lowpan_give_skb_to_devices(struct sk_buff *skb,
struct sk_buff *skb_cp;
int stat = NET_RX_SUCCESS;
+ skb->protocol = htons(ETH_P_IPV6);
+ skb->pkt_type = PACKET_HOST;
+
rcu_read_lock();
list_for_each_entry_rcu(entry, &lowpan_devices, list)
if (lowpan_dev_info(entry->ldev)->real_dev == skb->dev) {
skb_cp = skb_copy(skb, GFP_ATOMIC);
if (!skb_cp) {
- stat = -ENOMEM;
- break;
+ kfree_skb(skb);
+ rcu_read_unlock();
+ return NET_RX_DROP;
}
skb_cp->dev = entry->ldev;
stat = netif_rx(skb_cp);
+ if (stat == NET_RX_DROP)
+ break;
}
rcu_read_unlock();
+ consume_skb(skb);
+
return stat;
}
-static int process_data(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
+static int
+iphc_decompress(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
{
u8 iphc0, iphc1;
struct ieee802154_addr_sa sa, da;
@@ -187,10 +197,9 @@ static int process_data(struct sk_buff *skb, const struct ieee802154_hdr *hdr)
else
dap = &da.hwaddr;
- return lowpan_process_data(skb, skb->dev, sap, sa.addr_type,
- IEEE802154_ADDR_LEN, dap, da.addr_type,
- IEEE802154_ADDR_LEN, iphc0, iphc1,
- lowpan_give_skb_to_devices);
+ return lowpan_header_decompress(skb, skb->dev, sap, sa.addr_type,
+ IEEE802154_ADDR_LEN, dap, da.addr_type,
+ IEEE802154_ADDR_LEN, iphc0, iphc1);
drop:
kfree_skb(skb);
@@ -233,7 +242,7 @@ lowpan_alloc_frag(struct sk_buff *skb, int size,
&master_hdr->source, size);
if (rc < 0) {
kfree_skb(frag);
- return ERR_PTR(-rc);
+ return ERR_PTR(rc);
}
} else {
frag = ERR_PTR(-ENOMEM);
@@ -275,7 +284,8 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev,
dgram_size = lowpan_uncompress_size(skb, &dgram_offset) -
skb->mac_len;
- frag_tag = lowpan_dev_info(dev)->fragment_tag++;
+ frag_tag = htons(lowpan_dev_info(dev)->fragment_tag);
+ lowpan_dev_info(dev)->fragment_tag++;
frag_hdr[0] = LOWPAN_DISPATCH_FRAG1 | ((dgram_size >> 8) & 0x07);
frag_hdr[1] = dgram_size & 0xff;
@@ -294,7 +304,7 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev,
frag_len + skb_network_header_len(skb));
if (rc) {
pr_debug("%s unable to send FRAG1 packet (tag: %d)",
- __func__, frag_tag);
+ __func__, ntohs(frag_tag));
goto err;
}
@@ -315,7 +325,7 @@ lowpan_xmit_fragmented(struct sk_buff *skb, struct net_device *dev,
frag_len);
if (rc) {
pr_debug("%s unable to send a FRAGN packet. (tag: %d, offset: %d)\n",
- __func__, frag_tag, skb_offset);
+ __func__, ntohs(frag_tag), skb_offset);
goto err;
}
} while (skb_unprocessed > frag_cap);
@@ -515,6 +525,9 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
if (!netif_running(dev))
goto drop_skb;
+ if (skb->pkt_type == PACKET_OTHERHOST)
+ goto drop_skb;
+
if (dev->type != ARPHRD_IEEE802154)
goto drop_skb;
@@ -523,55 +536,67 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *dev,
/* check that it's our buffer */
if (skb->data[0] == LOWPAN_DISPATCH_IPV6) {
- skb->protocol = htons(ETH_P_IPV6);
- skb->pkt_type = PACKET_HOST;
-
/* Pull off the 1-byte of 6lowpan header. */
skb_pull(skb, 1);
-
- ret = lowpan_give_skb_to_devices(skb, NULL);
- if (ret == NET_RX_DROP)
- goto drop;
+ return lowpan_give_skb_to_devices(skb, NULL);
} else {
switch (skb->data[0] & 0xe0) {
case LOWPAN_DISPATCH_IPHC: /* ipv6 datagram */
- ret = process_data(skb, &hdr);
- if (ret == NET_RX_DROP)
+ ret = iphc_decompress(skb, &hdr);
+ if (ret < 0)
goto drop;
- break;
+
+ return lowpan_give_skb_to_devices(skb, NULL);
case LOWPAN_DISPATCH_FRAG1: /* first fragment header */
ret = lowpan_frag_rcv(skb, LOWPAN_DISPATCH_FRAG1);
if (ret == 1) {
- ret = process_data(skb, &hdr);
- if (ret == NET_RX_DROP)
+ ret = iphc_decompress(skb, &hdr);
+ if (ret < 0)
goto drop;
+
+ return lowpan_give_skb_to_devices(skb, NULL);
+ } else if (ret == -1) {
+ return NET_RX_DROP;
+ } else {
+ return NET_RX_SUCCESS;
}
- break;
case LOWPAN_DISPATCH_FRAGN: /* next fragments headers */
ret = lowpan_frag_rcv(skb, LOWPAN_DISPATCH_FRAGN);
if (ret == 1) {
- ret = process_data(skb, &hdr);
- if (ret == NET_RX_DROP)
+ ret = iphc_decompress(skb, &hdr);
+ if (ret < 0)
goto drop;
+
+ return lowpan_give_skb_to_devices(skb, NULL);
+ } else if (ret == -1) {
+ return NET_RX_DROP;
+ } else {
+ return NET_RX_SUCCESS;
}
- break;
default:
break;
}
}
- return NET_RX_SUCCESS;
drop_skb:
kfree_skb(skb);
drop:
return NET_RX_DROP;
}
+static struct packet_type lowpan_packet_type = {
+ .type = htons(ETH_P_IEEE802154),
+ .func = lowpan_rcv,
+};
+
static int lowpan_newlink(struct net *src_net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
struct net_device *real_dev;
struct lowpan_dev_record *entry;
+ int ret;
+
+ ASSERT_RTNL();
pr_debug("adding new link\n");
@@ -606,9 +631,14 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
list_add_tail(&entry->list, &lowpan_devices);
mutex_unlock(&lowpan_dev_info(dev)->dev_list_mtx);
- register_netdevice(dev);
+ ret = register_netdevice(dev);
+ if (ret >= 0) {
+ if (!lowpan_open_count)
+ dev_add_pack(&lowpan_packet_type);
+ lowpan_open_count++;
+ }
- return 0;
+ return ret;
}
static void lowpan_dellink(struct net_device *dev, struct list_head *head)
@@ -619,6 +649,10 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head)
ASSERT_RTNL();
+ lowpan_open_count--;
+ if (!lowpan_open_count)
+ dev_remove_pack(&lowpan_packet_type);
+
mutex_lock(&lowpan_dev_info(dev)->dev_list_mtx);
list_for_each_entry_safe(entry, tmp, &lowpan_devices, list) {
if (entry->ldev == dev) {
@@ -681,11 +715,6 @@ static struct notifier_block lowpan_dev_notifier = {
.notifier_call = lowpan_device_event,
};
-static struct packet_type lowpan_packet_type = {
- .type = htons(ETH_P_IEEE802154),
- .func = lowpan_rcv,
-};
-
static int __init lowpan_init_module(void)
{
int err = 0;
@@ -698,8 +727,6 @@ static int __init lowpan_init_module(void)
if (err < 0)
goto out_frag;
- dev_add_pack(&lowpan_packet_type);
-
err = register_netdevice_notifier(&lowpan_dev_notifier);
if (err < 0)
goto out_pack;
@@ -707,7 +734,6 @@ static int __init lowpan_init_module(void)
return 0;
out_pack:
- dev_remove_pack(&lowpan_packet_type);
lowpan_netlink_fini();
out_frag:
lowpan_net_frag_exit();
@@ -719,8 +745,6 @@ static void __exit lowpan_cleanup_module(void)
{
lowpan_netlink_fini();
- dev_remove_pack(&lowpan_packet_type);
-
lowpan_net_frag_exit();
unregister_netdevice_notifier(&lowpan_dev_notifier);
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 3914b1ed4274..38354d4a70cb 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -2,8 +2,8 @@ obj-$(CONFIG_IEEE802154) += ieee802154.o af_802154.o
obj-$(CONFIG_IEEE802154_6LOWPAN) += ieee802154_6lowpan.o
ieee802154_6lowpan-y := 6lowpan_rtnl.o reassembly.o
-ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o wpan-class.o \
- header_ops.o
+ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o core.o \
+ header_ops.o sysfs.o
af_802154-y := af_ieee802154.o raw.o dgram.o
ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/ieee802154/af802154.h b/net/ieee802154/af802154.h
index 8330a09bfc95..343b63e6f953 100644
--- a/net/ieee802154/af802154.h
+++ b/net/ieee802154/af802154.h
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Sergey Lapin <slapin@ossfans.org>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index 29e0de63001b..26da1e179737 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Sergey Lapin <slapin@ossfans.org>
* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/core.c
index 4955e0fe5883..620abc2ba5fc 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/core.c
@@ -10,10 +10,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
*/
#include <linux/slab.h>
@@ -21,75 +17,10 @@
#include <linux/module.h>
#include <linux/device.h>
-#include <net/wpan-phy.h>
+#include <net/cfg802154.h>
#include "ieee802154.h"
-
-#define MASTER_SHOW_COMPLEX(name, format_string, args...) \
-static ssize_t name ## _show(struct device *dev, \
- struct device_attribute *attr, char *buf) \
-{ \
- struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); \
- int ret; \
- \
- mutex_lock(&phy->pib_lock); \
- ret = snprintf(buf, PAGE_SIZE, format_string "\n", args); \
- mutex_unlock(&phy->pib_lock); \
- return ret; \
-} \
-static DEVICE_ATTR_RO(name);
-
-#define MASTER_SHOW(field, format_string) \
- MASTER_SHOW_COMPLEX(field, format_string, phy->field)
-
-MASTER_SHOW(current_channel, "%d");
-MASTER_SHOW(current_page, "%d");
-MASTER_SHOW(transmit_power, "%d +- 1 dB");
-MASTER_SHOW(cca_mode, "%d");
-
-static ssize_t channels_supported_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
- int ret;
- int i, len = 0;
-
- mutex_lock(&phy->pib_lock);
- for (i = 0; i < 32; i++) {
- ret = snprintf(buf + len, PAGE_SIZE - len,
- "%#09x\n", phy->channels_supported[i]);
- if (ret < 0)
- break;
- len += ret;
- }
- mutex_unlock(&phy->pib_lock);
- return len;
-}
-static DEVICE_ATTR_RO(channels_supported);
-
-static struct attribute *pmib_attrs[] = {
- &dev_attr_current_channel.attr,
- &dev_attr_current_page.attr,
- &dev_attr_channels_supported.attr,
- &dev_attr_transmit_power.attr,
- &dev_attr_cca_mode.attr,
- NULL,
-};
-ATTRIBUTE_GROUPS(pmib);
-
-static void wpan_phy_release(struct device *d)
-{
- struct wpan_phy *phy = container_of(d, struct wpan_phy, dev);
-
- kfree(phy);
-}
-
-static struct class wpan_phy_class = {
- .name = "ieee802154",
- .dev_release = wpan_phy_release,
- .dev_groups = pmib_groups,
-};
+#include "sysfs.h"
static DEFINE_MUTEX(wpan_phy_mutex);
static int wpan_phy_idx;
@@ -201,7 +132,7 @@ static int __init wpan_phy_class_init(void)
{
int rc;
- rc = class_register(&wpan_phy_class);
+ rc = wpan_phy_sysfs_init();
if (rc)
goto err;
@@ -211,7 +142,7 @@ static int __init wpan_phy_class_init(void)
return 0;
err_nl:
- class_unregister(&wpan_phy_class);
+ wpan_phy_sysfs_exit();
err:
return rc;
}
@@ -220,7 +151,7 @@ subsys_initcall(wpan_phy_class_init);
static void __exit wpan_phy_class_exit(void)
{
ieee802154_nl_exit();
- class_unregister(&wpan_phy_class);
+ wpan_phy_sysfs_exit();
}
module_exit(wpan_phy_class_exit);
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index fc9193eabd41..b8555ec71387 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Sergey Lapin <slapin@ossfans.org>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
@@ -27,9 +23,9 @@
#include <linux/if_arp.h>
#include <linux/list.h>
#include <linux/slab.h>
+#include <linux/ieee802154.h>
#include <net/sock.h>
#include <net/af_ieee802154.h>
-#include <net/ieee802154.h>
#include <net/ieee802154_netdev.h>
#include <asm/ioctls.h>
diff --git a/net/ieee802154/header_ops.c b/net/ieee802154/header_ops.c
index c09294e39ca6..a051b6993177 100644
--- a/net/ieee802154/header_ops.c
+++ b/net/ieee802154/header_ops.c
@@ -14,8 +14,9 @@
* Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
*/
+#include <linux/ieee802154.h>
+
#include <net/mac802154.h>
-#include <net/ieee802154.h>
#include <net/ieee802154_netdev.h>
static int
diff --git a/net/ieee802154/ieee802154.h b/net/ieee802154/ieee802154.h
index 5d352f86979e..42ae63a345ab 100644
--- a/net/ieee802154/ieee802154.h
+++ b/net/ieee802154/ieee802154.h
@@ -10,10 +10,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
*/
#ifndef IEEE_802154_LOCAL_H
#define IEEE_802154_LOCAL_H
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 9222966f5e6d..6c3c2595a201 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Sergey Lapin <slapin@ossfans.org>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index c6bfe22bfa5e..abd0f31bdc66 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Sergey Lapin <slapin@ossfans.org>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
@@ -26,6 +22,7 @@
#include <linux/kernel.h>
#include <linux/if_arp.h>
#include <linux/netdevice.h>
+#include <linux/ieee802154.h>
#include <net/netlink.h>
#include <net/genetlink.h>
#include <net/sock.h>
@@ -33,9 +30,8 @@
#include <linux/export.h>
#include <net/af_ieee802154.h>
#include <net/nl802154.h>
-#include <net/ieee802154.h>
#include <net/ieee802154_netdev.h>
-#include <net/wpan-phy.h>
+#include <net/cfg802154.h>
#include "ieee802154.h"
@@ -668,20 +664,6 @@ int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info)
phy = ops->get_phy(dev);
- if ((!phy->set_lbt && info->attrs[IEEE802154_ATTR_LBT_ENABLED]) ||
- (!phy->set_cca_mode && info->attrs[IEEE802154_ATTR_CCA_MODE]) ||
- (!phy->set_cca_ed_level &&
- info->attrs[IEEE802154_ATTR_CCA_ED_LEVEL]) ||
- (!phy->set_csma_params &&
- (info->attrs[IEEE802154_ATTR_CSMA_RETRIES] ||
- info->attrs[IEEE802154_ATTR_CSMA_MIN_BE] ||
- info->attrs[IEEE802154_ATTR_CSMA_MAX_BE])) ||
- (!phy->set_frame_retries &&
- info->attrs[IEEE802154_ATTR_FRAME_RETRIES])) {
- rc = -EOPNOTSUPP;
- goto out_phy;
- }
-
ops->get_mac_params(dev, &params);
if (info->attrs[IEEE802154_ATTR_TXPOWER])
@@ -712,10 +694,9 @@ int ieee802154_set_macparams(struct sk_buff *skb, struct genl_info *info)
wpan_phy_put(phy);
dev_put(dev);
- return rc;
-out_phy:
- wpan_phy_put(phy);
+ return 0;
+
out:
dev_put(dev);
return rc;
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index 972baf83411a..0afe760ff512 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Sergey Lapin <slapin@ossfans.org>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
@@ -27,7 +23,7 @@
#include <linux/if_arp.h>
#include <net/netlink.h>
#include <net/genetlink.h>
-#include <net/wpan-phy.h>
+#include <net/cfg802154.h>
#include <net/af_ieee802154.h>
#include <net/ieee802154_netdev.h>
#include <net/rtnetlink.h> /* for rtnl_{un,}lock */
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
index 3a703ab88348..35c432668454 100644
--- a/net/ieee802154/nl_policy.c
+++ b/net/ieee802154/nl_policy.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
*/
#include <linux/kernel.h>
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 73a4d53463de..21c38945ab8b 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -12,10 +12,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Written by:
* Sergey Lapin <slapin@ossfans.org>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
diff --git a/net/ieee802154/reassembly.c b/net/ieee802154/reassembly.c
index 7cfcd6885225..9d980ed3ffe2 100644
--- a/net/ieee802154/reassembly.c
+++ b/net/ieee802154/reassembly.c
@@ -33,7 +33,7 @@
static const char lowpan_frags_cache_name[] = "lowpan-frags";
struct lowpan_frag_info {
- __be16 d_tag;
+ u16 d_tag;
u16 d_size;
u8 d_offset;
};
@@ -48,7 +48,7 @@ static struct inet_frags lowpan_frags;
static int lowpan_frag_reasm(struct lowpan_frag_queue *fq,
struct sk_buff *prev, struct net_device *dev);
-static unsigned int lowpan_hash_frag(__be16 tag, u16 d_size,
+static unsigned int lowpan_hash_frag(u16 tag, u16 d_size,
const struct ieee802154_addr *saddr,
const struct ieee802154_addr *daddr)
{
@@ -330,11 +330,13 @@ static int lowpan_get_frag_info(struct sk_buff *skb, const u8 frag_type,
{
bool fail;
u8 pattern = 0, low = 0;
+ __be16 d_tag = 0;
fail = lowpan_fetch_skb(skb, &pattern, 1);
fail |= lowpan_fetch_skb(skb, &low, 1);
frag_info->d_size = (pattern & 7) << 8 | low;
- fail |= lowpan_fetch_skb(skb, &frag_info->d_tag, 2);
+ fail |= lowpan_fetch_skb(skb, &d_tag, 2);
+ frag_info->d_tag = ntohs(d_tag);
if (frag_type == LOWPAN_DISPATCH_FRAGN) {
fail |= lowpan_fetch_skb(skb, &frag_info->d_offset, 1);
diff --git a/net/ieee802154/reassembly.h b/net/ieee802154/reassembly.h
index 74e4a7c98191..836b16fa001f 100644
--- a/net/ieee802154/reassembly.h
+++ b/net/ieee802154/reassembly.h
@@ -4,7 +4,7 @@
#include <net/inet_frag.h>
struct lowpan_create_arg {
- __be16 tag;
+ u16 tag;
u16 d_size;
const struct ieee802154_addr *src;
const struct ieee802154_addr *dst;
@@ -15,7 +15,7 @@ struct lowpan_create_arg {
struct lowpan_frag_queue {
struct inet_frag_queue q;
- __be16 tag;
+ u16 tag;
u16 d_size;
struct ieee802154_addr saddr;
struct ieee802154_addr daddr;
diff --git a/net/ieee802154/sysfs.c b/net/ieee802154/sysfs.c
new file mode 100644
index 000000000000..eb9ca6f99122
--- /dev/null
+++ b/net/ieee802154/sysfs.c
@@ -0,0 +1,94 @@
+/* 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Authors:
+ * Alexander Aring <aar@pengutronix.de>
+ *
+ * Based on: net/wireless/sysfs.c
+ */
+
+#include <linux/device.h>
+
+#include <net/cfg802154.h>
+
+#define MASTER_SHOW_COMPLEX(name, format_string, args...) \
+static ssize_t name ## _show(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); \
+ int ret; \
+ \
+ mutex_lock(&phy->pib_lock); \
+ ret = snprintf(buf, PAGE_SIZE, format_string "\n", args); \
+ mutex_unlock(&phy->pib_lock); \
+ return ret; \
+} \
+static DEVICE_ATTR_RO(name)
+
+#define MASTER_SHOW(field, format_string) \
+ MASTER_SHOW_COMPLEX(field, format_string, phy->field)
+
+MASTER_SHOW(current_channel, "%d");
+MASTER_SHOW(current_page, "%d");
+MASTER_SHOW(transmit_power, "%d +- 1 dB");
+MASTER_SHOW(cca_mode, "%d");
+
+static ssize_t channels_supported_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
+ int ret;
+ int i, len = 0;
+
+ mutex_lock(&phy->pib_lock);
+ for (i = 0; i < 32; i++) {
+ ret = snprintf(buf + len, PAGE_SIZE - len,
+ "%#09x\n", phy->channels_supported[i]);
+ if (ret < 0)
+ break;
+ len += ret;
+ }
+ mutex_unlock(&phy->pib_lock);
+ return len;
+}
+static DEVICE_ATTR_RO(channels_supported);
+
+static void wpan_phy_release(struct device *d)
+{
+ struct wpan_phy *phy = container_of(d, struct wpan_phy, dev);
+
+ kfree(phy);
+}
+
+static struct attribute *pmib_attrs[] = {
+ &dev_attr_current_channel.attr,
+ &dev_attr_current_page.attr,
+ &dev_attr_channels_supported.attr,
+ &dev_attr_transmit_power.attr,
+ &dev_attr_cca_mode.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(pmib);
+
+struct class wpan_phy_class = {
+ .name = "ieee802154",
+ .dev_release = wpan_phy_release,
+ .dev_groups = pmib_groups,
+};
+
+int wpan_phy_sysfs_init(void)
+{
+ return class_register(&wpan_phy_class);
+}
+
+void wpan_phy_sysfs_exit(void)
+{
+ class_unregister(&wpan_phy_class);
+}
diff --git a/net/ieee802154/sysfs.h b/net/ieee802154/sysfs.h
new file mode 100644
index 000000000000..aa42e39ecbec
--- /dev/null
+++ b/net/ieee802154/sysfs.h
@@ -0,0 +1,9 @@
+#ifndef __IEEE802154_SYSFS_H
+#define __IEEE802154_SYSFS_H
+
+int wpan_phy_sysfs_init(void);
+void wpan_phy_sysfs_exit(void);
+
+extern struct class wpan_phy_class;
+
+#endif /* __IEEE802154_SYSFS_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-07 05:12:46 +0000