diff options
Diffstat (limited to 'drivers/ieee802154')
| -rw-r--r-- | drivers/ieee802154/fakehard.c | 130 |
1 files changed, 125 insertions, 5 deletions
diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c index 14045a7ba388..c94d2c24c352 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) { |