diff options
| -rw-r--r-- | Documentation/networking/00-INDEX | 2 | ||||
| -rw-r--r-- | Documentation/networking/ieee802154.txt | 2 | ||||
| -rw-r--r-- | drivers/ieee802154/fakehard.c | 130 | ||||
| -rw-r--r-- | include/net/af_ieee802154.h (renamed from include/net/ieee802154/af_ieee802154.h) | 0 | ||||
| -rw-r--r-- | include/net/ieee802154.h (renamed from include/net/ieee802154/mac_def.h) | 4 | ||||
| -rw-r--r-- | include/net/ieee802154/nl802154.h | 41 | ||||
| -rw-r--r-- | include/net/ieee802154_netdev.h (renamed from include/net/ieee802154/netdevice.h) | 0 | ||||
| -rw-r--r-- | include/net/nl802154.h | 117 | ||||
| -rw-r--r-- | net/ieee802154/af_ieee802154.c | 4 | ||||
| -rw-r--r-- | net/ieee802154/dgram.c | 6 | ||||
| -rw-r--r-- | net/ieee802154/netlink.c | 6 | ||||
| -rw-r--r-- | net/ieee802154/raw.c | 2 |
12 files changed, 256 insertions, 58 deletions
diff --git a/Documentation/networking/00-INDEX b/Documentation/networking/00-INDEX index 1634c6dc..50189bf 100644 --- a/Documentation/networking/00-INDEX +++ b/Documentation/networking/00-INDEX @@ -60,6 +60,8 @@ framerelay.txt - info on using Frame Relay/Data Link Connection Identifier (DLCI). generic_netlink.txt - info on Generic Netlink +ieee802154.txt + - Linux IEEE 802.15.4 implementation, API and drivers ip-sysctl.txt - /proc/sys/net/ipv4/* variables ip_dynaddr.txt diff --git a/Documentation/networking/ieee802154.txt b/Documentation/networking/ieee802154.txt index a0280ad..1d4ed66 100644 --- a/Documentation/networking/ieee802154.txt +++ b/Documentation/networking/ieee802154.txt @@ -69,7 +69,7 @@ We provide an example of simple HardMAC driver at drivers/ieee802154/fakehard.c SoftMAC ======= -We are going to provide intermediate layer impelementing IEEE 802.15.4 MAC +We are going to provide intermediate layer implementing IEEE 802.15.4 MAC in software. This is currently WIP. See header include/net/ieee802154/mac802154.h and several drivers in diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c index 14045a7..c94d2c2 100644 --- a/drivers/ieee802154/fakehard.c +++ b/drivers/ieee802154/fakehard.c @@ -26,11 +26,17 @@ #include <linux/skbuff.h> #include <linux/if_arp.h> -#include <net/ieee802154/af_ieee802154.h> -#include <net/ieee802154/netdevice.h> -#include <net/ieee802154/mac_def.h> -#include <net/ieee802154/nl802154.h> - +#include <net/af_ieee802154.h> +#include <net/ieee802154_netdev.h> +#include <net/ieee802154.h> +#include <net/nl802154.h> + +/** + * fake_get_pan_id - Retrieve the PAN ID of the device. + * @dev: The network device to retrieve the PAN of. + * + * Return the ID of the PAN from the PIB. + */ static u16 fake_get_pan_id(struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -38,6 +44,14 @@ static u16 fake_get_pan_id(struct net_device *dev) return 0xeba1; } +/** + * fake_get_short_addr - Retrieve the short address of the device. + * @dev: The network device to retrieve the short address of. + * + * Returns the IEEE 802.15.4 short-form address cached for this + * device. If the device has not yet had a short address assigned + * then this should return 0xFFFF to indicate a lack of association. + */ static u16 fake_get_short_addr(struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -45,6 +59,19 @@ static u16 fake_get_short_addr(struct net_device *dev) return 0x1; } +/** + * fake_get_dsn - Retrieve the DSN of the device. + * @dev: The network device to retrieve the DSN for. + * + * Returns the IEEE 802.15.4 DSN for the network device. + * The DSN is the sequence number which will be added to each + * packet or MAC command frame by the MAC during transmission. + * + * DSN means 'Data Sequence Number'. + * + * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006 + * document. + */ static u8 fake_get_dsn(struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -52,6 +79,19 @@ static u8 fake_get_dsn(struct net_device *dev) return 0x00; /* DSN are implemented in HW, so return just 0 */ } +/** + * fake_get_bsn - Retrieve the BSN of the device. + * @dev: The network device to retrieve the BSN for. + * + * Returns the IEEE 802.15.4 BSN for the network device. + * The BSN is the sequence number which will be added to each + * beacon frame sent by the MAC. + * + * BSN means 'Beacon Sequence Number'. + * + * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006 + * document. + */ static u8 fake_get_bsn(struct net_device *dev) { BUG_ON(dev->type != ARPHRD_IEEE802154); @@ -59,6 +99,19 @@ static u8 fake_get_bsn(struct net_device *dev) return 0x00; /* BSN are implemented in HW, so return just 0 */ } +/** + * fake_assoc_req - Make an association request to the HW. + * @dev: The network device which we are associating to a network. + * @addr: The coordinator with which we wish to associate. + * @channel: The channel on which to associate. + * @cap: The capability information field to use in the association. + * + * Start an association with a coordinator. The coordinator's address + * and PAN ID can be found in @addr. + * + * Note: This is in section 7.3.1 and 7.5.3.1 of the IEEE + * 802.15.4-2006 document. + */ static int fake_assoc_req(struct net_device *dev, struct ieee802154_addr *addr, u8 channel, u8 cap) { @@ -67,18 +120,70 @@ static int fake_assoc_req(struct net_device *dev, IEEE802154_SUCCESS); } +/** + * fake_assoc_resp - Send an association response to a device. + * @dev: The network device on which to send the response. + * @addr: The address of the device to respond to. + * @short_addr: The assigned short address for the device (if any). + * @status: The result of the association request. + * + * Queue the association response of the coordinator to another + * device's attempt to associate with the network which we + * coordinate. This is then added to the indirect-send queue to be + * transmitted to the end device when it polls for data. + * + * Note: This is in section 7.3.2 and 7.5.3.1 of the IEEE + * 802.15.4-2006 document. + */ static int fake_assoc_resp(struct net_device *dev, struct ieee802154_addr *addr, u16 short_addr, u8 status) { return 0; } +/** + * fake_disassoc_req - Disassociate a device from a network. + * @dev: The network device on which we're disassociating a device. + * @addr: The device to disassociate from the network. + * @reason: The reason to give to the device for being disassociated. + * + * This sends a disassociation notification to the device being + * disassociated from the network. + * + * Note: This is in section 7.5.3.2 of the IEEE 802.15.4-2006 + * document, with the reason described in 7.3.3.2. + */ static int fake_disassoc_req(struct net_device *dev, struct ieee802154_addr *addr, u8 reason) { return ieee802154_nl_disassoc_confirm(dev, IEEE802154_SUCCESS); } +/** + * fake_start_req - Start an IEEE 802.15.4 PAN. + * @dev: The network device on which to start the PAN. + * @addr: The coordinator address to use when starting the PAN. + * @channel: The channel on which to start the PAN. + * @bcn_ord: Beacon order. + * @sf_ord: Superframe order. + * @pan_coord: Whether or not we are the PAN coordinator or just + * requesting a realignment perhaps? + * @blx: Battery Life Extension feature bitfield. + * @coord_realign: Something to realign something else. + * + * If pan_coord is non-zero then this starts a network with the + * provided parameters, otherwise it attempts a coordinator + * realignment of the stated network instead. + * + * Note: This is in section 7.5.2.3 of the IEEE 802.15.4-2006 + * document, with 7.3.8 describing coordinator realignment. + * + * Note: There is currently no way to notify the coordinator userland + * program of whether or not the PAN has started successfully. As + * such, the coordinator program cannot know when the MAC has + * completed starting the network and will simply have to assume + * completeness based on some form of time delay. + */ static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr, u8 channel, u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx, @@ -87,6 +192,21 @@ static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr, return 0; } +/** + * fake_scan_req - Start a channel scan. + * @dev: The network device on which to perform a channel scan. + * @type: The type of scan to perform. + * @channels: The channel bitmask to scan. + * @duration: How long to spend on each channel. + * + * This starts either a passive (energy) scan or an active (PAN) scan + * on the channels indicated in the @channels bitmask. The duration of + * the scan is measured in terms of superframe duration. Specifically, + * the scan will spend aBaseSuperFrameDuration * ((2^n) + 1) on each + * channel. + * + * Note: This is in section 7.5.2.1 of the IEEE 802.15.4-2006 document. + */ static int fake_scan_req(struct net_device *dev, u8 type, u32 channels, u8 duration) { diff --git a/include/net/ieee802154/af_ieee802154.h b/include/net/af_ieee802154.h index 0d78605..0d78605 100644 --- a/include/net/ieee802154/af_ieee802154.h +++ b/include/net/af_ieee802154.h diff --git a/include/net/ieee802154/mac_def.h b/include/net/ieee802154.h index 8cb6846..d52685d 100644 --- a/include/net/ieee802154/mac_def.h +++ b/include/net/ieee802154.h @@ -23,8 +23,8 @@ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> */ -#ifndef IEEE802154_MAC_DEF_H -#define IEEE802154_MAC_DEF_H +#ifndef NET_IEEE802154_H +#define NET_IEEE802154_H #define IEEE802154_FC_TYPE_BEACON 0x0 /* Frame is beacon */ #define IEEE802154_FC_TYPE_DATA 0x1 /* Frame is data */ diff --git a/include/net/ieee802154/nl802154.h b/include/net/ieee802154/nl802154.h deleted file mode 100644 index 78efcdf..0000000 --- a/include/net/ieee802154/nl802154.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * nl802154.h - * - * Copyright (C) 2007, 2008, 2009 Siemens AG - * - * 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. - * - * 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 IEEE802154_NL_H -#define IEEE802154_NL_H - -struct net_device; -struct ieee802154_addr; - -int ieee802154_nl_assoc_indic(struct net_device *dev, - struct ieee802154_addr *addr, u8 cap); -int ieee802154_nl_assoc_confirm(struct net_device *dev, - u16 short_addr, u8 status); -int ieee802154_nl_disassoc_indic(struct net_device *dev, - struct ieee802154_addr *addr, u8 reason); -int ieee802154_nl_disassoc_confirm(struct net_device *dev, - u8 status); -int ieee802154_nl_scan_confirm(struct net_device *dev, - u8 status, u8 scan_type, u32 unscanned, - u8 *edl/*, struct list_head *pan_desc_list */); -int ieee802154_nl_beacon_indic(struct net_device *dev, u16 panid, - u16 coord_addr); - -#endif diff --git a/include/net/ieee802154/netdevice.h b/include/net/ieee802154_netdev.h index e2506af..e2506af 100644 --- a/include/net/ieee802154/netdevice.h +++ b/include/net/ieee802154_netdev.h diff --git a/include/net/nl802154.h b/include/net/nl802154.h new file mode 100644 index 0000000..6096096 --- /dev/null +++ b/include/net/nl802154.h @@ -0,0 +1,117 @@ +/* + * nl802154.h + * + * Copyright (C) 2007, 2008, 2009 Siemens AG + * + * 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. + * + * 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 IEEE802154_NL_H +#define IEEE802154_NL_H + +struct net_device; +struct ieee802154_addr; + +/** + * ieee802154_nl_assoc_indic - Notify userland of an association request. + * @dev: The network device on which this association request was + * received. + * @addr: The address of the device requesting association. + * @cap: The capability information field from the device. + * + * This informs a userland coordinator of a device requesting to + * associate with the PAN controlled by the coordinator. + * + * Note: This is in section 7.3.1 of the IEEE 802.15.4-2006 document. + */ +int ieee802154_nl_assoc_indic(struct net_device *dev, + struct ieee802154_addr *addr, u8 cap); + +/** + * ieee802154_nl_assoc_confirm - Notify userland of association. + * @dev: The device which has completed association. + * @short_addr: The short address assigned to the device. + * @status: The status of the association. + * + * Inform userland of the result of an association request. If the + * association request included asking the coordinator to allocate + * a short address then it is returned in @short_addr. + * + * Note: This is in section 7.3.2 of the IEEE 802.15.4 document. + */ +int ieee802154_nl_assoc_confirm(struct net_device *dev, + u16 short_addr, u8 status); + +/** + * ieee802154_nl_disassoc_indic - Notify userland of disassociation. + * @dev: The device on which disassociation was indicated. + * @addr: The device which is disassociating. + * @reason: The reason for the disassociation. + * + * Inform userland that a device has disassociated from the network. + * + * Note: This is in section 7.3.3 of the IEEE 802.15.4 document. + */ +int ieee802154_nl_disassoc_indic(struct net_device *dev, + struct ieee802154_addr *addr, u8 reason); + +/** + * ieee802154_nl_disassoc_confirm - Notify userland of disassociation + * completion. + * @dev: The device on which disassociation was ordered. + * @status: The result of the disassociation. + * + * Inform userland of the result of requesting that a device + * disassociate, or the result of requesting that we disassociate from + * a PAN managed by another coordinator. + * + * Note: This is in section 7.1.4.3 of the IEEE 802.15.4 document. + */ +int ieee802154_nl_disassoc_confirm(struct net_device *dev, + u8 status); + +/** + * ieee802154_nl_scan_confirm - Notify userland of completion of scan. + * @dev: The device which was instructed to scan. + * @status: The status of the scan operation. + * @scan_type: What type of scan was performed. + * @unscanned: Any channels that the device was unable to scan. + * @edl: The energy levels (if a passive scan). + * + * + * Note: This is in section 7.1.11 of the IEEE 802.15.4 document. + * Note: This API does not permit the return of an active scan result. + */ +int ieee802154_nl_scan_confirm(struct net_device *dev, + u8 status, u8 scan_type, u32 unscanned, + u8 *edl/*, struct list_head *pan_desc_list */); + +/** + * ieee802154_nl_beacon_indic - Notify userland of a received beacon. + * @dev: The device on which a beacon was received. + * @panid: The PAN of the coordinator. + * @coord_addr: The short address of the coordinator on that PAN. + * + * Note: This is in section 7.1.5 of the IEEE 802.15.4 document. + * Note: This API does not provide extended information such as what + * channel the PAN is on or what the LQI of the beacon frame was on + * receipt. + * Note: This API cannot indicate a beacon frame for a coordinator + * operating in long addressing mode. + */ +int ieee802154_nl_beacon_indic(struct net_device *dev, u16 panid, + u16 coord_addr); + +#endif diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c index 3bb6bdb..69c8d92 100644 --- a/net/ieee802154/af_ieee802154.c +++ b/net/ieee802154/af_ieee802154.c @@ -34,8 +34,8 @@ #include <net/tcp_states.h> #include <net/route.h> -#include <net/ieee802154/af_ieee802154.h> -#include <net/ieee802154/netdevice.h> +#include <net/af_ieee802154.h> +#include <net/ieee802154_netdev.h> #include "af802154.h" diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index 14d3984..53dd912 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -26,9 +26,9 @@ #include <linux/if_arp.h> #include <linux/list.h> #include <net/sock.h> -#include <net/ieee802154/af_ieee802154.h> -#include <net/ieee802154/mac_def.h> -#include <net/ieee802154/netdevice.h> +#include <net/af_ieee802154.h> +#include <net/ieee802154.h> +#include <net/ieee802154_netdev.h> #include <asm/ioctls.h> diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 27eda9f..a615b9d 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -27,9 +27,9 @@ #include <net/netlink.h> #include <net/genetlink.h> #include <linux/nl802154.h> -#include <net/ieee802154/af_ieee802154.h> -#include <net/ieee802154/nl802154.h> -#include <net/ieee802154/netdevice.h> +#include <net/af_ieee802154.h> +#include <net/nl802154.h> +#include <net/ieee802154_netdev.h> static unsigned int ieee802154_seq_num; diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c index fca44d5..ea8d1f1 100644 --- a/net/ieee802154/raw.c +++ b/net/ieee802154/raw.c @@ -26,7 +26,7 @@ #include <linux/if_arp.h> #include <linux/list.h> #include <net/sock.h> -#include <net/ieee802154/af_ieee802154.h> +#include <net/af_ieee802154.h> #include "af802154.h" |