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-rw-r--r--drivers/ieee802154/fakehard.c130
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 @@
26#include <linux/skbuff.h> 26#include <linux/skbuff.h>
27#include <linux/if_arp.h> 27#include <linux/if_arp.h>
28 28
29#include <net/ieee802154/af_ieee802154.h> 29#include <net/af_ieee802154.h>
30#include <net/ieee802154/netdevice.h> 30#include <net/ieee802154_netdev.h>
31#include <net/ieee802154/mac_def.h> 31#include <net/ieee802154.h>
32#include <net/ieee802154/nl802154.h> 32#include <net/nl802154.h>
33 33
34/**
35 * fake_get_pan_id - Retrieve the PAN ID of the device.
36 * @dev: The network device to retrieve the PAN of.
37 *
38 * Return the ID of the PAN from the PIB.
39 */
34static u16 fake_get_pan_id(struct net_device *dev) 40static u16 fake_get_pan_id(struct net_device *dev)
35{ 41{
36 BUG_ON(dev->type != ARPHRD_IEEE802154); 42 BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -38,6 +44,14 @@ static u16 fake_get_pan_id(struct net_device *dev)
38 return 0xeba1; 44 return 0xeba1;
39} 45}
40 46
47/**
48 * fake_get_short_addr - Retrieve the short address of the device.
49 * @dev: The network device to retrieve the short address of.
50 *
51 * Returns the IEEE 802.15.4 short-form address cached for this
52 * device. If the device has not yet had a short address assigned
53 * then this should return 0xFFFF to indicate a lack of association.
54 */
41static u16 fake_get_short_addr(struct net_device *dev) 55static u16 fake_get_short_addr(struct net_device *dev)
42{ 56{
43 BUG_ON(dev->type != ARPHRD_IEEE802154); 57 BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -45,6 +59,19 @@ static u16 fake_get_short_addr(struct net_device *dev)
45 return 0x1; 59 return 0x1;
46} 60}
47 61
62/**
63 * fake_get_dsn - Retrieve the DSN of the device.
64 * @dev: The network device to retrieve the DSN for.
65 *
66 * Returns the IEEE 802.15.4 DSN for the network device.
67 * The DSN is the sequence number which will be added to each
68 * packet or MAC command frame by the MAC during transmission.
69 *
70 * DSN means 'Data Sequence Number'.
71 *
72 * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006
73 * document.
74 */
48static u8 fake_get_dsn(struct net_device *dev) 75static u8 fake_get_dsn(struct net_device *dev)
49{ 76{
50 BUG_ON(dev->type != ARPHRD_IEEE802154); 77 BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -52,6 +79,19 @@ static u8 fake_get_dsn(struct net_device *dev)
52 return 0x00; /* DSN are implemented in HW, so return just 0 */ 79 return 0x00; /* DSN are implemented in HW, so return just 0 */
53} 80}
54 81
82/**
83 * fake_get_bsn - Retrieve the BSN of the device.
84 * @dev: The network device to retrieve the BSN for.
85 *
86 * Returns the IEEE 802.15.4 BSN for the network device.
87 * The BSN is the sequence number which will be added to each
88 * beacon frame sent by the MAC.
89 *
90 * BSN means 'Beacon Sequence Number'.
91 *
92 * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006
93 * document.
94 */
55static u8 fake_get_bsn(struct net_device *dev) 95static u8 fake_get_bsn(struct net_device *dev)
56{ 96{
57 BUG_ON(dev->type != ARPHRD_IEEE802154); 97 BUG_ON(dev->type != ARPHRD_IEEE802154);
@@ -59,6 +99,19 @@ static u8 fake_get_bsn(struct net_device *dev)
59 return 0x00; /* BSN are implemented in HW, so return just 0 */ 99 return 0x00; /* BSN are implemented in HW, so return just 0 */
60} 100}
61 101
102/**
103 * fake_assoc_req - Make an association request to the HW.
104 * @dev: The network device which we are associating to a network.
105 * @addr: The coordinator with which we wish to associate.
106 * @channel: The channel on which to associate.
107 * @cap: The capability information field to use in the association.
108 *
109 * Start an association with a coordinator. The coordinator's address
110 * and PAN ID can be found in @addr.
111 *
112 * Note: This is in section 7.3.1 and 7.5.3.1 of the IEEE
113 * 802.15.4-2006 document.
114 */
62static int fake_assoc_req(struct net_device *dev, 115static int fake_assoc_req(struct net_device *dev,
63 struct ieee802154_addr *addr, u8 channel, u8 cap) 116 struct ieee802154_addr *addr, u8 channel, u8 cap)
64{ 117{
@@ -67,18 +120,70 @@ static int fake_assoc_req(struct net_device *dev,
67 IEEE802154_SUCCESS); 120 IEEE802154_SUCCESS);
68} 121}
69 122
123/**
124 * fake_assoc_resp - Send an association response to a device.
125 * @dev: The network device on which to send the response.
126 * @addr: The address of the device to respond to.
127 * @short_addr: The assigned short address for the device (if any).
128 * @status: The result of the association request.
129 *
130 * Queue the association response of the coordinator to another
131 * device's attempt to associate with the network which we
132 * coordinate. This is then added to the indirect-send queue to be
133 * transmitted to the end device when it polls for data.
134 *
135 * Note: This is in section 7.3.2 and 7.5.3.1 of the IEEE
136 * 802.15.4-2006 document.
137 */
70static int fake_assoc_resp(struct net_device *dev, 138static int fake_assoc_resp(struct net_device *dev,
71 struct ieee802154_addr *addr, u16 short_addr, u8 status) 139 struct ieee802154_addr *addr, u16 short_addr, u8 status)
72{ 140{
73 return 0; 141 return 0;
74} 142}
75 143
144/**
145 * fake_disassoc_req - Disassociate a device from a network.
146 * @dev: The network device on which we're disassociating a device.
147 * @addr: The device to disassociate from the network.
148 * @reason: The reason to give to the device for being disassociated.
149 *
150 * This sends a disassociation notification to the device being
151 * disassociated from the network.
152 *
153 * Note: This is in section 7.5.3.2 of the IEEE 802.15.4-2006
154 * document, with the reason described in 7.3.3.2.
155 */
76static int fake_disassoc_req(struct net_device *dev, 156static int fake_disassoc_req(struct net_device *dev,
77 struct ieee802154_addr *addr, u8 reason) 157 struct ieee802154_addr *addr, u8 reason)
78{ 158{
79 return ieee802154_nl_disassoc_confirm(dev, IEEE802154_SUCCESS); 159 return ieee802154_nl_disassoc_confirm(dev, IEEE802154_SUCCESS);
80} 160}
81 161
162/**
163 * fake_start_req - Start an IEEE 802.15.4 PAN.
164 * @dev: The network device on which to start the PAN.
165 * @addr: The coordinator address to use when starting the PAN.
166 * @channel: The channel on which to start the PAN.
167 * @bcn_ord: Beacon order.
168 * @sf_ord: Superframe order.
169 * @pan_coord: Whether or not we are the PAN coordinator or just
170 * requesting a realignment perhaps?
171 * @blx: Battery Life Extension feature bitfield.
172 * @coord_realign: Something to realign something else.
173 *
174 * If pan_coord is non-zero then this starts a network with the
175 * provided parameters, otherwise it attempts a coordinator
176 * realignment of the stated network instead.
177 *
178 * Note: This is in section 7.5.2.3 of the IEEE 802.15.4-2006
179 * document, with 7.3.8 describing coordinator realignment.
180 *
181 * Note: There is currently no way to notify the coordinator userland
182 * program of whether or not the PAN has started successfully. As
183 * such, the coordinator program cannot know when the MAC has
184 * completed starting the network and will simply have to assume
185 * completeness based on some form of time delay.
186 */
82static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr, 187static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr,
83 u8 channel, 188 u8 channel,
84 u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx, 189 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,
87 return 0; 192 return 0;
88} 193}
89 194
195/**
196 * fake_scan_req - Start a channel scan.
197 * @dev: The network device on which to perform a channel scan.
198 * @type: The type of scan to perform.
199 * @channels: The channel bitmask to scan.
200 * @duration: How long to spend on each channel.
201 *
202 * This starts either a passive (energy) scan or an active (PAN) scan
203 * on the channels indicated in the @channels bitmask. The duration of
204 * the scan is measured in terms of superframe duration. Specifically,
205 * the scan will spend aBaseSuperFrameDuration * ((2^n) + 1) on each
206 * channel.
207 *
208 * Note: This is in section 7.5.2.1 of the IEEE 802.15.4-2006 document.
209 */
90static int fake_scan_req(struct net_device *dev, u8 type, u32 channels, 210static int fake_scan_req(struct net_device *dev, u8 type, u32 channels,
91 u8 duration) 211 u8 duration)
92{ 212{