1 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3 #include <linux/delay.h>
4 #include <linux/etherdevice.h>
5 #include <linux/hardirq.h>
6 #include <linux/netdevice.h>
7 #include <linux/if_ether.h>
8 #include <linux/if_arp.h>
9 #include <linux/kthread.h>
10 #include <linux/kfifo.h>
11 #include <net/cfg80211.h>
18 /***************************************************************************
23 * Attributes exported through sysfs
27 * lbs_anycast_get - Get function for sysfs attribute anycast_mask
28 * @dev: the &struct device
29 * @attr: device attributes
30 * @buf: buffer where data will be returned
32 static ssize_t lbs_anycast_get(struct device *dev,
33 struct device_attribute *attr, char * buf)
35 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
36 struct cmd_ds_mesh_access mesh_access;
39 memset(&mesh_access, 0, sizeof(mesh_access));
41 ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_ANYCAST, &mesh_access);
45 return snprintf(buf, 12, "0x%X\n", le32_to_cpu(mesh_access.data[0]));
49 * lbs_anycast_set - Set function for sysfs attribute anycast_mask
50 * @dev: the &struct device
51 * @attr: device attributes
52 * @buf: buffer that contains new attribute value
53 * @count: size of buffer
55 static ssize_t lbs_anycast_set(struct device *dev,
56 struct device_attribute *attr, const char * buf, size_t count)
58 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
59 struct cmd_ds_mesh_access mesh_access;
63 memset(&mesh_access, 0, sizeof(mesh_access));
64 sscanf(buf, "%x", &datum);
65 mesh_access.data[0] = cpu_to_le32(datum);
67 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_ANYCAST, &mesh_access);
75 * lbs_prb_rsp_limit_get - Get function for sysfs attribute prb_rsp_limit
76 * @dev: the &struct device
77 * @attr: device attributes
78 * @buf: buffer where data will be returned
80 static ssize_t lbs_prb_rsp_limit_get(struct device *dev,
81 struct device_attribute *attr, char *buf)
83 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
84 struct cmd_ds_mesh_access mesh_access;
88 memset(&mesh_access, 0, sizeof(mesh_access));
89 mesh_access.data[0] = cpu_to_le32(CMD_ACT_GET);
91 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
96 retry_limit = le32_to_cpu(mesh_access.data[1]);
97 return snprintf(buf, 10, "%d\n", retry_limit);
101 * lbs_prb_rsp_limit_set - Set function for sysfs attribute prb_rsp_limit
102 * @dev: the &struct device
103 * @attr: device attributes
104 * @buf: buffer that contains new attribute value
105 * @count: size of buffer
107 static ssize_t lbs_prb_rsp_limit_set(struct device *dev,
108 struct device_attribute *attr, const char *buf, size_t count)
110 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
111 struct cmd_ds_mesh_access mesh_access;
113 unsigned long retry_limit;
115 memset(&mesh_access, 0, sizeof(mesh_access));
116 mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);
118 if (!strict_strtoul(buf, 10, &retry_limit))
120 if (retry_limit > 15)
123 mesh_access.data[1] = cpu_to_le32(retry_limit);
125 ret = lbs_mesh_access(priv, CMD_ACT_MESH_SET_GET_PRB_RSP_LIMIT,
134 * lbs_mesh_get - Get function for sysfs attribute mesh
135 * @dev: the &struct device
136 * @attr: device attributes
137 * @buf: buffer where data will be returned
139 static ssize_t lbs_mesh_get(struct device *dev,
140 struct device_attribute *attr, char * buf)
142 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
143 return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
147 * lbs_mesh_set - Set function for sysfs attribute mesh
148 * @dev: the &struct device
149 * @attr: device attributes
150 * @buf: buffer that contains new attribute value
151 * @count: size of buffer
153 static ssize_t lbs_mesh_set(struct device *dev,
154 struct device_attribute *attr, const char * buf, size_t count)
156 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
158 int ret, action = CMD_ACT_MESH_CONFIG_STOP;
160 sscanf(buf, "%x", &enable);
162 if (enable == !!priv->mesh_dev)
165 action = CMD_ACT_MESH_CONFIG_START;
166 ret = lbs_mesh_config(priv, action, priv->channel);
173 lbs_remove_mesh(priv);
179 * lbs_mesh attribute to be exported per ethX interface
180 * through sysfs (/sys/class/net/ethX/lbs_mesh)
182 static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
185 * anycast_mask attribute to be exported per mshX interface
186 * through sysfs (/sys/class/net/mshX/anycast_mask)
188 static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
191 * prb_rsp_limit attribute to be exported per mshX interface
192 * through sysfs (/sys/class/net/mshX/prb_rsp_limit)
194 static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,
195 lbs_prb_rsp_limit_set);
197 static struct attribute *lbs_mesh_sysfs_entries[] = {
198 &dev_attr_anycast_mask.attr,
199 &dev_attr_prb_rsp_limit.attr,
203 static struct attribute_group lbs_mesh_attr_group = {
204 .attrs = lbs_mesh_sysfs_entries,
209 /***************************************************************************
210 * Initializing and starting, stopping mesh
214 * Check mesh FW version and appropriately send the mesh start
217 int lbs_init_mesh(struct lbs_private *priv)
219 struct net_device *dev = priv->dev;
222 lbs_deb_enter(LBS_DEB_MESH);
224 priv->mesh_connect_status = LBS_DISCONNECTED;
226 /* Determine mesh_fw_ver from fwrelease and fwcapinfo */
227 /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
228 /* 5.110.22 have mesh command with 0xa3 command id */
229 /* 10.0.0.p0 FW brings in mesh config command with different id */
230 /* Check FW version MSB and initialize mesh_fw_ver */
231 if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) {
232 /* Enable mesh, if supported, and work out which TLV it uses.
233 0x100 + 291 is an unofficial value used in 5.110.20.pXX
234 0x100 + 37 is the official value used in 5.110.21.pXX
235 but we check them in that order because 20.pXX doesn't
236 give an error -- it just silently fails. */
238 /* 5.110.20.pXX firmware will fail the command if the channel
239 doesn't match the existing channel. But only if the TLV
240 is correct. If the channel is wrong, _BOTH_ versions will
241 give an error to 0x100+291, and allow 0x100+37 to succeed.
242 It's just that 5.110.20.pXX will not have done anything
245 priv->mesh_tlv = TLV_TYPE_OLD_MESH_ID;
246 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
248 priv->mesh_tlv = TLV_TYPE_MESH_ID;
249 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
254 if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
255 (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) {
256 /* 10.0.0.pXX new firmwares should succeed with TLV
257 * 0x100+37; Do not invoke command with old TLV.
259 priv->mesh_tlv = TLV_TYPE_MESH_ID;
260 if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
266 if (priv->mesh_tlv) {
267 sprintf(priv->mesh_ssid, "mesh");
268 priv->mesh_ssid_len = 4;
272 if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
273 netdev_err(dev, "cannot register lbs_mesh attribute\n");
278 lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
283 int lbs_deinit_mesh(struct lbs_private *priv)
285 struct net_device *dev = priv->dev;
288 lbs_deb_enter(LBS_DEB_MESH);
290 if (priv->mesh_tlv) {
291 device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
295 lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
301 * lbs_mesh_stop - close the mshX interface
303 * @dev: A pointer to &net_device structure
306 static int lbs_mesh_stop(struct net_device *dev)
308 struct lbs_private *priv = dev->ml_priv;
310 lbs_deb_enter(LBS_DEB_MESH);
311 spin_lock_irq(&priv->driver_lock);
314 priv->mesh_connect_status = LBS_DISCONNECTED;
316 netif_stop_queue(dev);
317 netif_carrier_off(dev);
319 spin_unlock_irq(&priv->driver_lock);
321 schedule_work(&priv->mcast_work);
323 lbs_deb_leave(LBS_DEB_MESH);
328 * lbs_mesh_dev_open - open the mshX interface
330 * @dev: A pointer to &net_device structure
331 * returns: 0 or -EBUSY if monitor mode active
333 static int lbs_mesh_dev_open(struct net_device *dev)
335 struct lbs_private *priv = dev->ml_priv;
338 lbs_deb_enter(LBS_DEB_NET);
340 spin_lock_irq(&priv->driver_lock);
342 if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
348 priv->mesh_connect_status = LBS_CONNECTED;
349 netif_carrier_on(dev);
351 if (!priv->tx_pending_len)
352 netif_wake_queue(dev);
355 spin_unlock_irq(&priv->driver_lock);
356 lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
360 static const struct net_device_ops mesh_netdev_ops = {
361 .ndo_open = lbs_mesh_dev_open,
362 .ndo_stop = lbs_mesh_stop,
363 .ndo_start_xmit = lbs_hard_start_xmit,
364 .ndo_set_mac_address = lbs_set_mac_address,
365 .ndo_set_multicast_list = lbs_set_multicast_list,
369 * lbs_add_mesh - add mshX interface
371 * @priv: A pointer to the &struct lbs_private structure
372 * returns: 0 if successful, -X otherwise
374 int lbs_add_mesh(struct lbs_private *priv)
376 struct net_device *mesh_dev = NULL;
379 lbs_deb_enter(LBS_DEB_MESH);
381 /* Allocate a virtual mesh device */
382 mesh_dev = alloc_netdev(0, "msh%d", ether_setup);
384 lbs_deb_mesh("init mshX device failed\n");
388 mesh_dev->ml_priv = priv;
389 priv->mesh_dev = mesh_dev;
391 mesh_dev->netdev_ops = &mesh_netdev_ops;
392 mesh_dev->ethtool_ops = &lbs_ethtool_ops;
393 memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN);
395 SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);
397 mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
398 /* Register virtual mesh interface */
399 ret = register_netdev(mesh_dev);
401 pr_err("cannot register mshX virtual interface\n");
405 ret = sysfs_create_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
409 lbs_persist_config_init(mesh_dev);
411 /* Everything successful */
416 unregister_netdev(mesh_dev);
419 free_netdev(mesh_dev);
422 lbs_deb_leave_args(LBS_DEB_MESH, "ret %d", ret);
426 void lbs_remove_mesh(struct lbs_private *priv)
428 struct net_device *mesh_dev;
430 mesh_dev = priv->mesh_dev;
434 lbs_deb_enter(LBS_DEB_MESH);
435 netif_stop_queue(mesh_dev);
436 netif_carrier_off(mesh_dev);
437 sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
438 lbs_persist_config_remove(mesh_dev);
439 unregister_netdev(mesh_dev);
440 priv->mesh_dev = NULL;
441 free_netdev(mesh_dev);
442 lbs_deb_leave(LBS_DEB_MESH);
447 /***************************************************************************
448 * Sending and receiving
450 struct net_device *lbs_mesh_set_dev(struct lbs_private *priv,
451 struct net_device *dev, struct rxpd *rxpd)
453 if (priv->mesh_dev) {
454 if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) {
455 if (rxpd->rx_control & RxPD_MESH_FRAME)
456 dev = priv->mesh_dev;
457 } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) {
458 if (rxpd->u.bss.bss_num == MESH_IFACE_ID)
459 dev = priv->mesh_dev;
466 void lbs_mesh_set_txpd(struct lbs_private *priv,
467 struct net_device *dev, struct txpd *txpd)
469 if (dev == priv->mesh_dev) {
470 if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID)
471 txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
472 else if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
473 txpd->u.bss.bss_num = MESH_IFACE_ID;
478 /***************************************************************************
479 * Mesh command handling
483 * lbs_mesh_bt_add_del - Add or delete Mesh Blinding Table entries
485 * @priv: A pointer to &struct lbs_private structure
486 * @add: TRUE to add the entry, FALSE to delete it
487 * @addr1: Destination address to blind or unblind
489 * returns: 0 on success, error on failure
491 int lbs_mesh_bt_add_del(struct lbs_private *priv, bool add, u8 *addr1)
493 struct cmd_ds_bt_access cmd;
496 lbs_deb_enter(LBS_DEB_CMD);
498 BUG_ON(addr1 == NULL);
500 memset(&cmd, 0, sizeof(cmd));
501 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
502 memcpy(cmd.addr1, addr1, ETH_ALEN);
504 cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_ADD);
505 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr",
508 cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_DEL);
509 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr",
513 ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
515 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
520 * lbs_mesh_bt_reset - Reset/clear the mesh blinding table
522 * @priv: A pointer to &struct lbs_private structure
524 * returns: 0 on success, error on failure
526 int lbs_mesh_bt_reset(struct lbs_private *priv)
528 struct cmd_ds_bt_access cmd;
531 lbs_deb_enter(LBS_DEB_CMD);
533 memset(&cmd, 0, sizeof(cmd));
534 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
535 cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_RESET);
537 ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
539 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
544 * lbs_mesh_bt_get_inverted - Gets the inverted status of the mesh
547 * Normally the firmware "blinds" or ignores traffic from mesh nodes in the
548 * table, but an inverted table allows *only* traffic from nodes listed in
551 * @priv: A pointer to &struct lbs_private structure
552 * @inverted: On success, TRUE if the blinding table is inverted,
553 * FALSE if it is not inverted
555 * returns: 0 on success, error on failure
557 int lbs_mesh_bt_get_inverted(struct lbs_private *priv, bool *inverted)
559 struct cmd_ds_bt_access cmd;
562 lbs_deb_enter(LBS_DEB_CMD);
564 BUG_ON(inverted == NULL);
566 memset(&cmd, 0, sizeof(cmd));
567 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
568 cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_GET_INVERT);
570 ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
572 *inverted = !!cmd.id;
574 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
579 * lbs_mesh_bt_set_inverted - Sets the inverted status of the mesh
582 * Normally the firmware "blinds" or ignores traffic from mesh nodes in the
583 * table, but an inverted table allows *only* traffic from nodes listed in
586 * @priv: A pointer to &struct lbs_private structure
587 * @inverted: TRUE to invert the blinding table (only traffic from
588 * listed nodes allowed), FALSE to return it
589 * to normal state (listed nodes ignored)
591 * returns: 0 on success, error on failure
593 int lbs_mesh_bt_set_inverted(struct lbs_private *priv, bool inverted)
595 struct cmd_ds_bt_access cmd;
598 lbs_deb_enter(LBS_DEB_CMD);
600 memset(&cmd, 0, sizeof(cmd));
601 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
602 cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_SET_INVERT);
603 cmd.id = cpu_to_le32(!!inverted);
605 ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
607 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
612 * lbs_mesh_bt_get_entry - List an entry in the mesh blinding table
614 * @priv: A pointer to &struct lbs_private structure
615 * @id: The ID of the entry to list
616 * @addr1: MAC address associated with the table entry
618 * returns: 0 on success, error on failure
620 int lbs_mesh_bt_get_entry(struct lbs_private *priv, u32 id, u8 *addr1)
622 struct cmd_ds_bt_access cmd;
625 lbs_deb_enter(LBS_DEB_CMD);
627 BUG_ON(addr1 == NULL);
629 memset(&cmd, 0, sizeof(cmd));
630 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
631 cmd.action = cpu_to_le16(CMD_ACT_BT_ACCESS_SET_INVERT);
632 cmd.id = cpu_to_le32(id);
634 ret = lbs_cmd_with_response(priv, CMD_BT_ACCESS, &cmd);
636 memcpy(addr1, cmd.addr1, sizeof(cmd.addr1));
638 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
643 * lbs_cmd_fwt_access - Access the mesh forwarding table
645 * @priv: A pointer to &struct lbs_private structure
646 * @cmd_action: The forwarding table action to perform
647 * @cmd: The pre-filled FWT_ACCESS command
649 * returns: 0 on success and 'cmd' will be filled with the
650 * firmware's response
652 int lbs_cmd_fwt_access(struct lbs_private *priv, u16 cmd_action,
653 struct cmd_ds_fwt_access *cmd)
657 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
659 cmd->hdr.command = cpu_to_le16(CMD_FWT_ACCESS);
660 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access));
662 cmd->action = cpu_to_le16(cmd_action);
664 ret = lbs_cmd_with_response(priv, CMD_FWT_ACCESS, cmd);
666 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
670 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
671 struct cmd_ds_mesh_access *cmd)
675 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
677 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
678 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
681 cmd->action = cpu_to_le16(cmd_action);
683 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
685 lbs_deb_leave(LBS_DEB_CMD);
689 static int __lbs_mesh_config_send(struct lbs_private *priv,
690 struct cmd_ds_mesh_config *cmd,
691 uint16_t action, uint16_t type)
694 u16 command = CMD_MESH_CONFIG_OLD;
696 lbs_deb_enter(LBS_DEB_CMD);
699 * Command id is 0xac for v10 FW along with mesh interface
700 * id in bits 14-13-12.
702 if (priv->mesh_tlv == TLV_TYPE_MESH_ID)
703 command = CMD_MESH_CONFIG |
704 (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
706 cmd->hdr.command = cpu_to_le16(command);
707 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
710 cmd->type = cpu_to_le16(type);
711 cmd->action = cpu_to_le16(action);
713 ret = lbs_cmd_with_response(priv, command, cmd);
715 lbs_deb_leave(LBS_DEB_CMD);
719 int lbs_mesh_config_send(struct lbs_private *priv,
720 struct cmd_ds_mesh_config *cmd,
721 uint16_t action, uint16_t type)
725 if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
728 ret = __lbs_mesh_config_send(priv, cmd, action, type);
732 /* This function is the CMD_MESH_CONFIG legacy function. It only handles the
733 * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG
734 * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
735 * lbs_mesh_config_send.
737 int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
739 struct cmd_ds_mesh_config cmd;
740 struct mrvl_meshie *ie;
741 DECLARE_SSID_BUF(ssid);
743 memset(&cmd, 0, sizeof(cmd));
744 cmd.channel = cpu_to_le16(chan);
745 ie = (struct mrvl_meshie *)cmd.data;
748 case CMD_ACT_MESH_CONFIG_START:
749 ie->id = WLAN_EID_GENERIC;
750 ie->val.oui[0] = 0x00;
751 ie->val.oui[1] = 0x50;
752 ie->val.oui[2] = 0x43;
753 ie->val.type = MARVELL_MESH_IE_TYPE;
754 ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
755 ie->val.version = MARVELL_MESH_IE_VERSION;
756 ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
757 ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
758 ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
759 ie->val.mesh_id_len = priv->mesh_ssid_len;
760 memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
761 ie->len = sizeof(struct mrvl_meshie_val) -
762 IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
763 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
765 case CMD_ACT_MESH_CONFIG_STOP:
770 lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
771 action, priv->mesh_tlv, chan,
772 print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
774 return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
779 /***************************************************************************
780 * Persistent configuration support
783 static int mesh_get_default_parameters(struct device *dev,
784 struct mrvl_mesh_defaults *defs)
786 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
787 struct cmd_ds_mesh_config cmd;
790 memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
791 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_GET,
792 CMD_TYPE_MESH_GET_DEFAULTS);
797 memcpy(defs, &cmd.data[0], sizeof(struct mrvl_mesh_defaults));
803 * bootflag_get - Get function for sysfs attribute bootflag
804 * @dev: the &struct device
805 * @attr: device attributes
806 * @buf: buffer where data will be returned
808 static ssize_t bootflag_get(struct device *dev,
809 struct device_attribute *attr, char *buf)
811 struct mrvl_mesh_defaults defs;
814 ret = mesh_get_default_parameters(dev, &defs);
819 return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag));
823 * bootflag_set - Set function for sysfs attribute bootflag
824 * @dev: the &struct device
825 * @attr: device attributes
826 * @buf: buffer that contains new attribute value
827 * @count: size of buffer
829 static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
830 const char *buf, size_t count)
832 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
833 struct cmd_ds_mesh_config cmd;
837 memset(&cmd, 0, sizeof(cmd));
838 ret = sscanf(buf, "%d", &datum);
839 if ((ret != 1) || (datum > 1))
842 *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum);
843 cmd.length = cpu_to_le16(sizeof(uint32_t));
844 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
845 CMD_TYPE_MESH_SET_BOOTFLAG);
853 * boottime_get - Get function for sysfs attribute boottime
854 * @dev: the &struct device
855 * @attr: device attributes
856 * @buf: buffer where data will be returned
858 static ssize_t boottime_get(struct device *dev,
859 struct device_attribute *attr, char *buf)
861 struct mrvl_mesh_defaults defs;
864 ret = mesh_get_default_parameters(dev, &defs);
869 return snprintf(buf, 12, "%d\n", defs.boottime);
873 * boottime_set - Set function for sysfs attribute boottime
874 * @dev: the &struct device
875 * @attr: device attributes
876 * @buf: buffer that contains new attribute value
877 * @count: size of buffer
879 static ssize_t boottime_set(struct device *dev,
880 struct device_attribute *attr, const char *buf, size_t count)
882 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
883 struct cmd_ds_mesh_config cmd;
887 memset(&cmd, 0, sizeof(cmd));
888 ret = sscanf(buf, "%d", &datum);
889 if ((ret != 1) || (datum > 255))
892 /* A too small boot time will result in the device booting into
893 * standalone (no-host) mode before the host can take control of it,
894 * so the change will be hard to revert. This may be a desired
895 * feature (e.g to configure a very fast boot time for devices that
896 * will not be attached to a host), but dangerous. So I'm enforcing a
897 * lower limit of 20 seconds: remove and recompile the driver if this
898 * does not work for you.
900 datum = (datum < 20) ? 20 : datum;
902 cmd.length = cpu_to_le16(sizeof(uint8_t));
903 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
904 CMD_TYPE_MESH_SET_BOOTTIME);
912 * channel_get - Get function for sysfs attribute channel
913 * @dev: the &struct device
914 * @attr: device attributes
915 * @buf: buffer where data will be returned
917 static ssize_t channel_get(struct device *dev,
918 struct device_attribute *attr, char *buf)
920 struct mrvl_mesh_defaults defs;
923 ret = mesh_get_default_parameters(dev, &defs);
928 return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel));
932 * channel_set - Set function for sysfs attribute channel
933 * @dev: the &struct device
934 * @attr: device attributes
935 * @buf: buffer that contains new attribute value
936 * @count: size of buffer
938 static ssize_t channel_set(struct device *dev, struct device_attribute *attr,
939 const char *buf, size_t count)
941 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
942 struct cmd_ds_mesh_config cmd;
946 memset(&cmd, 0, sizeof(cmd));
947 ret = sscanf(buf, "%d", &datum);
948 if (ret != 1 || datum < 1 || datum > 11)
951 *((__le16 *)&cmd.data[0]) = cpu_to_le16(datum);
952 cmd.length = cpu_to_le16(sizeof(uint16_t));
953 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
954 CMD_TYPE_MESH_SET_DEF_CHANNEL);
962 * mesh_id_get - Get function for sysfs attribute mesh_id
963 * @dev: the &struct device
964 * @attr: device attributes
965 * @buf: buffer where data will be returned
967 static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
970 struct mrvl_mesh_defaults defs;
973 ret = mesh_get_default_parameters(dev, &defs);
978 if (defs.meshie.val.mesh_id_len > IEEE80211_MAX_SSID_LEN) {
979 dev_err(dev, "inconsistent mesh ID length\n");
980 defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN;
983 memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len);
984 buf[defs.meshie.val.mesh_id_len] = '\n';
985 buf[defs.meshie.val.mesh_id_len + 1] = '\0';
987 return defs.meshie.val.mesh_id_len + 1;
991 * mesh_id_set - Set function for sysfs attribute mesh_id
992 * @dev: the &struct device
993 * @attr: device attributes
994 * @buf: buffer that contains new attribute value
995 * @count: size of buffer
997 static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
998 const char *buf, size_t count)
1000 struct cmd_ds_mesh_config cmd;
1001 struct mrvl_mesh_defaults defs;
1002 struct mrvl_meshie *ie;
1003 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
1007 if (count < 2 || count > IEEE80211_MAX_SSID_LEN + 1)
1010 memset(&cmd, 0, sizeof(struct cmd_ds_mesh_config));
1011 ie = (struct mrvl_meshie *) &cmd.data[0];
1013 /* fetch all other Information Element parameters */
1014 ret = mesh_get_default_parameters(dev, &defs);
1016 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
1018 /* transfer IE elements */
1019 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
1022 memcpy(ie->val.mesh_id, buf, len);
1024 ie->val.mesh_id_len = len;
1026 ie->len = sizeof(struct mrvl_meshie_val) - IEEE80211_MAX_SSID_LEN + len;
1028 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
1029 CMD_TYPE_MESH_SET_MESH_IE);
1037 * protocol_id_get - Get function for sysfs attribute protocol_id
1038 * @dev: the &struct device
1039 * @attr: device attributes
1040 * @buf: buffer where data will be returned
1042 static ssize_t protocol_id_get(struct device *dev,
1043 struct device_attribute *attr, char *buf)
1045 struct mrvl_mesh_defaults defs;
1048 ret = mesh_get_default_parameters(dev, &defs);
1053 return snprintf(buf, 5, "%d\n", defs.meshie.val.active_protocol_id);
1057 * protocol_id_set - Set function for sysfs attribute protocol_id
1058 * @dev: the &struct device
1059 * @attr: device attributes
1060 * @buf: buffer that contains new attribute value
1061 * @count: size of buffer
1063 static ssize_t protocol_id_set(struct device *dev,
1064 struct device_attribute *attr, const char *buf, size_t count)
1066 struct cmd_ds_mesh_config cmd;
1067 struct mrvl_mesh_defaults defs;
1068 struct mrvl_meshie *ie;
1069 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
1073 memset(&cmd, 0, sizeof(cmd));
1074 ret = sscanf(buf, "%d", &datum);
1075 if ((ret != 1) || (datum > 255))
1078 /* fetch all other Information Element parameters */
1079 ret = mesh_get_default_parameters(dev, &defs);
1081 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
1083 /* transfer IE elements */
1084 ie = (struct mrvl_meshie *) &cmd.data[0];
1085 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
1086 /* update protocol id */
1087 ie->val.active_protocol_id = datum;
1089 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
1090 CMD_TYPE_MESH_SET_MESH_IE);
1098 * metric_id_get - Get function for sysfs attribute metric_id
1099 * @dev: the &struct device
1100 * @attr: device attributes
1101 * @buf: buffer where data will be returned
1103 static ssize_t metric_id_get(struct device *dev,
1104 struct device_attribute *attr, char *buf)
1106 struct mrvl_mesh_defaults defs;
1109 ret = mesh_get_default_parameters(dev, &defs);
1114 return snprintf(buf, 5, "%d\n", defs.meshie.val.active_metric_id);
1118 * metric_id_set - Set function for sysfs attribute metric_id
1119 * @dev: the &struct device
1120 * @attr: device attributes
1121 * @buf: buffer that contains new attribute value
1122 * @count: size of buffer
1124 static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
1125 const char *buf, size_t count)
1127 struct cmd_ds_mesh_config cmd;
1128 struct mrvl_mesh_defaults defs;
1129 struct mrvl_meshie *ie;
1130 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
1134 memset(&cmd, 0, sizeof(cmd));
1135 ret = sscanf(buf, "%d", &datum);
1136 if ((ret != 1) || (datum > 255))
1139 /* fetch all other Information Element parameters */
1140 ret = mesh_get_default_parameters(dev, &defs);
1142 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
1144 /* transfer IE elements */
1145 ie = (struct mrvl_meshie *) &cmd.data[0];
1146 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
1147 /* update metric id */
1148 ie->val.active_metric_id = datum;
1150 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
1151 CMD_TYPE_MESH_SET_MESH_IE);
1159 * capability_get - Get function for sysfs attribute capability
1160 * @dev: the &struct device
1161 * @attr: device attributes
1162 * @buf: buffer where data will be returned
1164 static ssize_t capability_get(struct device *dev,
1165 struct device_attribute *attr, char *buf)
1167 struct mrvl_mesh_defaults defs;
1170 ret = mesh_get_default_parameters(dev, &defs);
1175 return snprintf(buf, 5, "%d\n", defs.meshie.val.mesh_capability);
1179 * capability_set - Set function for sysfs attribute capability
1180 * @dev: the &struct device
1181 * @attr: device attributes
1182 * @buf: buffer that contains new attribute value
1183 * @count: size of buffer
1185 static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
1186 const char *buf, size_t count)
1188 struct cmd_ds_mesh_config cmd;
1189 struct mrvl_mesh_defaults defs;
1190 struct mrvl_meshie *ie;
1191 struct lbs_private *priv = to_net_dev(dev)->ml_priv;
1195 memset(&cmd, 0, sizeof(cmd));
1196 ret = sscanf(buf, "%d", &datum);
1197 if ((ret != 1) || (datum > 255))
1200 /* fetch all other Information Element parameters */
1201 ret = mesh_get_default_parameters(dev, &defs);
1203 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie));
1205 /* transfer IE elements */
1206 ie = (struct mrvl_meshie *) &cmd.data[0];
1207 memcpy(ie, &defs.meshie, sizeof(struct mrvl_meshie));
1209 ie->val.mesh_capability = datum;
1211 ret = lbs_mesh_config_send(priv, &cmd, CMD_ACT_MESH_CONFIG_SET,
1212 CMD_TYPE_MESH_SET_MESH_IE);
1220 static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set);
1221 static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set);
1222 static DEVICE_ATTR(channel, 0644, channel_get, channel_set);
1223 static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set);
1224 static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set);
1225 static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set);
1226 static DEVICE_ATTR(capability, 0644, capability_get, capability_set);
1228 static struct attribute *boot_opts_attrs[] = {
1229 &dev_attr_bootflag.attr,
1230 &dev_attr_boottime.attr,
1231 &dev_attr_channel.attr,
1235 static struct attribute_group boot_opts_group = {
1236 .name = "boot_options",
1237 .attrs = boot_opts_attrs,
1240 static struct attribute *mesh_ie_attrs[] = {
1241 &dev_attr_mesh_id.attr,
1242 &dev_attr_protocol_id.attr,
1243 &dev_attr_metric_id.attr,
1244 &dev_attr_capability.attr,
1248 static struct attribute_group mesh_ie_group = {
1250 .attrs = mesh_ie_attrs,
1253 void lbs_persist_config_init(struct net_device *dev)
1256 ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group);
1257 ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group);
1260 void lbs_persist_config_remove(struct net_device *dev)
1262 sysfs_remove_group(&(dev->dev.kobj), &boot_opts_group);
1263 sysfs_remove_group(&(dev->dev.kobj), &mesh_ie_group);
1268 /***************************************************************************
1272 static const char *mesh_stat_strings[] = {
1273 "drop_duplicate_bcast",
1275 "drop_no_fwd_route",
1277 "fwded_unicast_cnt",
1283 void lbs_mesh_ethtool_get_stats(struct net_device *dev,
1284 struct ethtool_stats *stats, uint64_t *data)
1286 struct lbs_private *priv = dev->ml_priv;
1287 struct cmd_ds_mesh_access mesh_access;
1290 lbs_deb_enter(LBS_DEB_ETHTOOL);
1292 /* Get Mesh Statistics */
1293 ret = lbs_mesh_access(priv, CMD_ACT_MESH_GET_STATS, &mesh_access);
1296 memset(data, 0, MESH_STATS_NUM*(sizeof(uint64_t)));
1300 priv->mstats.fwd_drop_rbt = le32_to_cpu(mesh_access.data[0]);
1301 priv->mstats.fwd_drop_ttl = le32_to_cpu(mesh_access.data[1]);
1302 priv->mstats.fwd_drop_noroute = le32_to_cpu(mesh_access.data[2]);
1303 priv->mstats.fwd_drop_nobuf = le32_to_cpu(mesh_access.data[3]);
1304 priv->mstats.fwd_unicast_cnt = le32_to_cpu(mesh_access.data[4]);
1305 priv->mstats.fwd_bcast_cnt = le32_to_cpu(mesh_access.data[5]);
1306 priv->mstats.drop_blind = le32_to_cpu(mesh_access.data[6]);
1307 priv->mstats.tx_failed_cnt = le32_to_cpu(mesh_access.data[7]);
1309 data[0] = priv->mstats.fwd_drop_rbt;
1310 data[1] = priv->mstats.fwd_drop_ttl;
1311 data[2] = priv->mstats.fwd_drop_noroute;
1312 data[3] = priv->mstats.fwd_drop_nobuf;
1313 data[4] = priv->mstats.fwd_unicast_cnt;
1314 data[5] = priv->mstats.fwd_bcast_cnt;
1315 data[6] = priv->mstats.drop_blind;
1316 data[7] = priv->mstats.tx_failed_cnt;
1318 lbs_deb_enter(LBS_DEB_ETHTOOL);
1321 int lbs_mesh_ethtool_get_sset_count(struct net_device *dev, int sset)
1323 struct lbs_private *priv = dev->ml_priv;
1325 if (sset == ETH_SS_STATS && dev == priv->mesh_dev)
1326 return MESH_STATS_NUM;
1331 void lbs_mesh_ethtool_get_strings(struct net_device *dev,
1332 uint32_t stringset, uint8_t *s)
1336 lbs_deb_enter(LBS_DEB_ETHTOOL);
1338 switch (stringset) {
1340 for (i = 0; i < MESH_STATS_NUM; i++) {
1341 memcpy(s + i * ETH_GSTRING_LEN,
1342 mesh_stat_strings[i],
1347 lbs_deb_enter(LBS_DEB_ETHTOOL);