Commit | Line | Data |
---|---|---|
4a71df50 | 1 | /* |
bbcfcdc8 | 2 | * Copyright IBM Corp. 2007, 2009 |
4a71df50 FB |
3 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
4 | * Frank Pavlic <fpavlic@de.ibm.com>, | |
5 | * Thomas Spatzier <tspat@de.ibm.com>, | |
6 | * Frank Blaschka <frank.blaschka@de.ibm.com> | |
7 | */ | |
8 | ||
74eacdb9 FB |
9 | #define KMSG_COMPONENT "qeth" |
10 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | |
11 | ||
4a71df50 FB |
12 | #include <linux/module.h> |
13 | #include <linux/moduleparam.h> | |
14 | #include <linux/string.h> | |
15 | #include <linux/errno.h> | |
16 | #include <linux/kernel.h> | |
5a0e3ad6 | 17 | #include <linux/slab.h> |
4a71df50 FB |
18 | #include <linux/etherdevice.h> |
19 | #include <linux/mii.h> | |
20 | #include <linux/ip.h> | |
ccffad25 | 21 | #include <linux/list.h> |
4a71df50 | 22 | |
4a71df50 | 23 | #include "qeth_core.h" |
b4d72c08 | 24 | #include "qeth_l2.h" |
4a71df50 | 25 | |
4a71df50 FB |
26 | static int qeth_l2_set_offline(struct ccwgroup_device *); |
27 | static int qeth_l2_stop(struct net_device *); | |
28 | static int qeth_l2_send_delmac(struct qeth_card *, __u8 *); | |
29 | static int qeth_l2_send_setdelmac(struct qeth_card *, __u8 *, | |
30 | enum qeth_ipa_cmds, | |
31 | int (*reply_cb) (struct qeth_card *, | |
32 | struct qeth_reply*, | |
33 | unsigned long)); | |
34 | static void qeth_l2_set_multicast_list(struct net_device *); | |
35 | static int qeth_l2_recover(void *); | |
c044dc21 EC |
36 | static void qeth_bridgeport_query_support(struct qeth_card *card); |
37 | static void qeth_bridge_state_change(struct qeth_card *card, | |
38 | struct qeth_ipa_cmd *cmd); | |
39 | static void qeth_bridge_host_event(struct qeth_card *card, | |
40 | struct qeth_ipa_cmd *cmd); | |
4a71df50 FB |
41 | |
42 | static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
43 | { | |
509e2562 | 44 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
45 | struct mii_ioctl_data *mii_data; |
46 | int rc = 0; | |
47 | ||
48 | if (!card) | |
49 | return -ENODEV; | |
50 | ||
51 | if ((card->state != CARD_STATE_UP) && | |
52 | (card->state != CARD_STATE_SOFTSETUP)) | |
53 | return -ENODEV; | |
54 | ||
55 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
56 | return -EPERM; | |
57 | ||
58 | switch (cmd) { | |
59 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
60 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
61 | break; | |
62 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
63 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
64 | card->info.type == QETH_CARD_TYPE_OSM || | |
65 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
66 | !card->info.guestlan) |
67 | return 1; | |
68 | return 0; | |
69 | break; | |
70 | case SIOCGMIIPHY: | |
71 | mii_data = if_mii(rq); | |
72 | mii_data->phy_id = 0; | |
73 | break; | |
74 | case SIOCGMIIREG: | |
75 | mii_data = if_mii(rq); | |
76 | if (mii_data->phy_id != 0) | |
77 | rc = -EINVAL; | |
78 | else | |
79 | mii_data->val_out = qeth_mdio_read(dev, | |
80 | mii_data->phy_id, mii_data->reg_num); | |
81 | break; | |
c3ab96f3 FB |
82 | case SIOC_QETH_QUERY_OAT: |
83 | rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); | |
84 | break; | |
4a71df50 FB |
85 | default: |
86 | rc = -EOPNOTSUPP; | |
87 | } | |
88 | if (rc) | |
847a50fd | 89 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
90 | return rc; |
91 | } | |
92 | ||
93 | static int qeth_l2_verify_dev(struct net_device *dev) | |
94 | { | |
95 | struct qeth_card *card; | |
96 | unsigned long flags; | |
97 | int rc = 0; | |
98 | ||
99 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
100 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
101 | if (card->dev == dev) { | |
102 | rc = QETH_REAL_CARD; | |
103 | break; | |
104 | } | |
105 | } | |
106 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
107 | ||
108 | return rc; | |
109 | } | |
110 | ||
111 | static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) | |
112 | { | |
113 | struct qeth_card *card; | |
114 | struct net_device *ndev; | |
f06f6f32 | 115 | __u16 temp_dev_no; |
4a71df50 | 116 | unsigned long flags; |
f06f6f32 | 117 | struct ccw_dev_id read_devid; |
4a71df50 FB |
118 | |
119 | ndev = NULL; | |
120 | memcpy(&temp_dev_no, read_dev_no, 2); | |
121 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
122 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
f06f6f32 CH |
123 | ccw_device_get_id(CARD_RDEV(card), &read_devid); |
124 | if (read_devid.devno == temp_dev_no) { | |
4a71df50 FB |
125 | ndev = card->dev; |
126 | break; | |
127 | } | |
128 | } | |
129 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
130 | return ndev; | |
131 | } | |
132 | ||
133 | static int qeth_l2_send_setgroupmac_cb(struct qeth_card *card, | |
134 | struct qeth_reply *reply, | |
135 | unsigned long data) | |
136 | { | |
137 | struct qeth_ipa_cmd *cmd; | |
138 | __u8 *mac; | |
139 | ||
847a50fd | 140 | QETH_CARD_TEXT(card, 2, "L2Sgmacb"); |
4a71df50 FB |
141 | cmd = (struct qeth_ipa_cmd *) data; |
142 | mac = &cmd->data.setdelmac.mac[0]; | |
143 | /* MAC already registered, needed in couple/uncouple case */ | |
0666eb06 | 144 | if (cmd->hdr.return_code == IPA_RC_L2_DUP_MAC) { |
7c510e4b JB |
145 | QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s \n", |
146 | mac, QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
147 | cmd->hdr.return_code = 0; |
148 | } | |
149 | if (cmd->hdr.return_code) | |
7c510e4b JB |
150 | QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %x\n", |
151 | mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code); | |
4a71df50 FB |
152 | return 0; |
153 | } | |
154 | ||
155 | static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac) | |
156 | { | |
847a50fd | 157 | QETH_CARD_TEXT(card, 2, "L2Sgmac"); |
4a71df50 FB |
158 | return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, |
159 | qeth_l2_send_setgroupmac_cb); | |
160 | } | |
161 | ||
162 | static int qeth_l2_send_delgroupmac_cb(struct qeth_card *card, | |
163 | struct qeth_reply *reply, | |
164 | unsigned long data) | |
165 | { | |
166 | struct qeth_ipa_cmd *cmd; | |
167 | __u8 *mac; | |
168 | ||
847a50fd | 169 | QETH_CARD_TEXT(card, 2, "L2Dgmacb"); |
4a71df50 FB |
170 | cmd = (struct qeth_ipa_cmd *) data; |
171 | mac = &cmd->data.setdelmac.mac[0]; | |
172 | if (cmd->hdr.return_code) | |
7c510e4b JB |
173 | QETH_DBF_MESSAGE(2, "Could not delete group MAC %pM on %s: %x\n", |
174 | mac, QETH_CARD_IFNAME(card), cmd->hdr.return_code); | |
4a71df50 FB |
175 | return 0; |
176 | } | |
177 | ||
178 | static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac) | |
179 | { | |
847a50fd | 180 | QETH_CARD_TEXT(card, 2, "L2Dgmac"); |
4a71df50 FB |
181 | return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, |
182 | qeth_l2_send_delgroupmac_cb); | |
183 | } | |
184 | ||
7db2266a | 185 | static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac, int vmac) |
4a71df50 FB |
186 | { |
187 | struct qeth_mc_mac *mc; | |
7db2266a | 188 | int rc; |
4a71df50 FB |
189 | |
190 | mc = kmalloc(sizeof(struct qeth_mc_mac), GFP_ATOMIC); | |
191 | ||
14cc21b6 | 192 | if (!mc) |
4a71df50 | 193 | return; |
4a71df50 FB |
194 | |
195 | memcpy(mc->mc_addr, mac, OSA_ADDR_LEN); | |
196 | mc->mc_addrlen = OSA_ADDR_LEN; | |
7db2266a FB |
197 | mc->is_vmac = vmac; |
198 | ||
199 | if (vmac) { | |
200 | rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, | |
201 | NULL); | |
202 | } else { | |
203 | rc = qeth_l2_send_setgroupmac(card, mac); | |
204 | } | |
4a71df50 | 205 | |
7db2266a | 206 | if (!rc) |
4a71df50 FB |
207 | list_add_tail(&mc->list, &card->mc_list); |
208 | else | |
209 | kfree(mc); | |
210 | } | |
211 | ||
70919e23 | 212 | static void qeth_l2_del_all_mc(struct qeth_card *card, int del) |
4a71df50 FB |
213 | { |
214 | struct qeth_mc_mac *mc, *tmp; | |
215 | ||
216 | spin_lock_bh(&card->mclock); | |
217 | list_for_each_entry_safe(mc, tmp, &card->mc_list, list) { | |
70919e23 UB |
218 | if (del) { |
219 | if (mc->is_vmac) | |
220 | qeth_l2_send_setdelmac(card, mc->mc_addr, | |
7db2266a | 221 | IPA_CMD_DELVMAC, NULL); |
70919e23 UB |
222 | else |
223 | qeth_l2_send_delgroupmac(card, mc->mc_addr); | |
224 | } | |
4a71df50 FB |
225 | list_del(&mc->list); |
226 | kfree(mc); | |
227 | } | |
228 | spin_unlock_bh(&card->mclock); | |
229 | } | |
230 | ||
ce73e10e KDW |
231 | static inline int qeth_l2_get_cast_type(struct qeth_card *card, |
232 | struct sk_buff *skb) | |
4a71df50 | 233 | { |
ce73e10e KDW |
234 | if (card->info.type == QETH_CARD_TYPE_OSN) |
235 | return RTN_UNSPEC; | |
236 | if (is_broadcast_ether_addr(skb->data)) | |
237 | return RTN_BROADCAST; | |
238 | if (is_multicast_ether_addr(skb->data)) | |
239 | return RTN_MULTICAST; | |
240 | return RTN_UNSPEC; | |
4a71df50 FB |
241 | } |
242 | ||
243 | static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, | |
43934077 | 244 | struct sk_buff *skb, int cast_type) |
4a71df50 | 245 | { |
683d718a | 246 | struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); |
4a71df50 FB |
247 | |
248 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
249 | hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; | |
250 | ||
251 | /* set byte byte 3 to casting flags */ | |
252 | if (cast_type == RTN_MULTICAST) | |
253 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; | |
254 | else if (cast_type == RTN_BROADCAST) | |
255 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; | |
256 | else | |
ce73e10e | 257 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; |
4a71df50 FB |
258 | |
259 | hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; | |
260 | /* VSWITCH relies on the VLAN | |
261 | * information to be present in | |
262 | * the QDIO header */ | |
263 | if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { | |
264 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; | |
265 | hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); | |
266 | } | |
267 | } | |
268 | ||
269 | static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, | |
270 | struct qeth_reply *reply, unsigned long data) | |
271 | { | |
272 | struct qeth_ipa_cmd *cmd; | |
273 | ||
847a50fd | 274 | QETH_CARD_TEXT(card, 2, "L2sdvcb"); |
4a71df50 FB |
275 | cmd = (struct qeth_ipa_cmd *) data; |
276 | if (cmd->hdr.return_code) { | |
14cc21b6 | 277 | QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x. " |
4a71df50 FB |
278 | "Continuing\n", cmd->data.setdelvlan.vlan_id, |
279 | QETH_CARD_IFNAME(card), cmd->hdr.return_code); | |
847a50fd CO |
280 | QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); |
281 | QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); | |
4a71df50 FB |
282 | } |
283 | return 0; | |
284 | } | |
285 | ||
286 | static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, | |
287 | enum qeth_ipa_cmds ipacmd) | |
288 | { | |
289 | struct qeth_ipa_cmd *cmd; | |
290 | struct qeth_cmd_buffer *iob; | |
291 | ||
847a50fd | 292 | QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); |
4a71df50 FB |
293 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); |
294 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
295 | cmd->data.setdelvlan.vlan_id = i; | |
296 | return qeth_send_ipa_cmd(card, iob, | |
297 | qeth_l2_send_setdelvlan_cb, NULL); | |
298 | } | |
299 | ||
70919e23 | 300 | static void qeth_l2_process_vlans(struct qeth_card *card) |
4a71df50 FB |
301 | { |
302 | struct qeth_vlan_vid *id; | |
847a50fd | 303 | QETH_CARD_TEXT(card, 3, "L2prcvln"); |
4a71df50 FB |
304 | spin_lock_bh(&card->vlanlock); |
305 | list_for_each_entry(id, &card->vid_list, list) { | |
70919e23 | 306 | qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); |
4a71df50 FB |
307 | } |
308 | spin_unlock_bh(&card->vlanlock); | |
309 | } | |
310 | ||
80d5c368 PM |
311 | static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, |
312 | __be16 proto, u16 vid) | |
4a71df50 | 313 | { |
509e2562 | 314 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
315 | struct qeth_vlan_vid *id; |
316 | ||
847a50fd | 317 | QETH_CARD_TEXT_(card, 4, "aid:%d", vid); |
10651db7 | 318 | if (!vid) |
8e586137 | 319 | return 0; |
5113fec0 | 320 | if (card->info.type == QETH_CARD_TYPE_OSM) { |
847a50fd | 321 | QETH_CARD_TEXT(card, 3, "aidOSM"); |
8e586137 | 322 | return 0; |
5113fec0 | 323 | } |
8e98ac48 | 324 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 325 | QETH_CARD_TEXT(card, 3, "aidREC"); |
8e586137 | 326 | return 0; |
8e98ac48 | 327 | } |
4a71df50 FB |
328 | id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); |
329 | if (id) { | |
330 | id->vid = vid; | |
331 | qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); | |
332 | spin_lock_bh(&card->vlanlock); | |
333 | list_add_tail(&id->list, &card->vid_list); | |
334 | spin_unlock_bh(&card->vlanlock); | |
8e586137 JP |
335 | } else { |
336 | return -ENOMEM; | |
4a71df50 | 337 | } |
8e586137 | 338 | return 0; |
4a71df50 FB |
339 | } |
340 | ||
80d5c368 PM |
341 | static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, |
342 | __be16 proto, u16 vid) | |
4a71df50 FB |
343 | { |
344 | struct qeth_vlan_vid *id, *tmpid = NULL; | |
509e2562 | 345 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 346 | |
847a50fd | 347 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
5113fec0 | 348 | if (card->info.type == QETH_CARD_TYPE_OSM) { |
847a50fd | 349 | QETH_CARD_TEXT(card, 3, "kidOSM"); |
8e586137 | 350 | return 0; |
5113fec0 | 351 | } |
8e98ac48 | 352 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 353 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e586137 | 354 | return 0; |
8e98ac48 | 355 | } |
4a71df50 FB |
356 | spin_lock_bh(&card->vlanlock); |
357 | list_for_each_entry(id, &card->vid_list, list) { | |
358 | if (id->vid == vid) { | |
359 | list_del(&id->list); | |
360 | tmpid = id; | |
361 | break; | |
362 | } | |
363 | } | |
364 | spin_unlock_bh(&card->vlanlock); | |
365 | if (tmpid) { | |
366 | qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); | |
367 | kfree(tmpid); | |
368 | } | |
369 | qeth_l2_set_multicast_list(card->dev); | |
8e586137 | 370 | return 0; |
4a71df50 FB |
371 | } |
372 | ||
373 | static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) | |
374 | { | |
375 | int rc = 0; | |
376 | ||
d11ba0c4 PT |
377 | QETH_DBF_TEXT(SETUP , 2, "stopcard"); |
378 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
379 | |
380 | qeth_set_allowed_threads(card, 0, 1); | |
4a71df50 FB |
381 | if (card->read.state == CH_STATE_UP && |
382 | card->write.state == CH_STATE_UP && | |
383 | (card->state == CARD_STATE_UP)) { | |
384 | if (recovery_mode && | |
385 | card->info.type != QETH_CARD_TYPE_OSN) { | |
386 | qeth_l2_stop(card->dev); | |
387 | } else { | |
388 | rtnl_lock(); | |
389 | dev_close(card->dev); | |
390 | rtnl_unlock(); | |
391 | } | |
70919e23 | 392 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; |
4a71df50 FB |
393 | card->state = CARD_STATE_SOFTSETUP; |
394 | } | |
395 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 396 | qeth_l2_del_all_mc(card, 0); |
4a71df50 FB |
397 | qeth_clear_ipacmd_list(card); |
398 | card->state = CARD_STATE_HARDSETUP; | |
399 | } | |
400 | if (card->state == CARD_STATE_HARDSETUP) { | |
401 | qeth_qdio_clear_card(card, 0); | |
402 | qeth_clear_qdio_buffers(card); | |
403 | qeth_clear_working_pool_list(card); | |
404 | card->state = CARD_STATE_DOWN; | |
405 | } | |
406 | if (card->state == CARD_STATE_DOWN) { | |
407 | qeth_clear_cmd_buffers(&card->read); | |
408 | qeth_clear_cmd_buffers(&card->write); | |
409 | } | |
4a71df50 FB |
410 | return rc; |
411 | } | |
412 | ||
a1c3ed4c FB |
413 | static int qeth_l2_process_inbound_buffer(struct qeth_card *card, |
414 | int budget, int *done) | |
4a71df50 | 415 | { |
a1c3ed4c | 416 | int work_done = 0; |
4a71df50 FB |
417 | struct sk_buff *skb; |
418 | struct qeth_hdr *hdr; | |
4a71df50 FB |
419 | unsigned int len; |
420 | ||
a1c3ed4c | 421 | *done = 0; |
18af5c17 | 422 | WARN_ON_ONCE(!budget); |
a1c3ed4c FB |
423 | while (budget) { |
424 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 425 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
426 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
427 | if (!skb) { | |
428 | *done = 1; | |
429 | break; | |
4a71df50 | 430 | } |
a1c3ed4c | 431 | skb->dev = card->dev; |
4a71df50 FB |
432 | switch (hdr->hdr.l2.id) { |
433 | case QETH_HEADER_TYPE_LAYER2: | |
434 | skb->pkt_type = PACKET_HOST; | |
435 | skb->protocol = eth_type_trans(skb, skb->dev); | |
c5e631a8 | 436 | skb->ip_summed = CHECKSUM_NONE; |
12883725 UB |
437 | if (skb->protocol == htons(ETH_P_802_2)) |
438 | *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; | |
4a71df50 | 439 | len = skb->len; |
a1c3ed4c | 440 | netif_receive_skb(skb); |
4a71df50 FB |
441 | break; |
442 | case QETH_HEADER_TYPE_OSN: | |
2d488c2f UB |
443 | if (card->info.type == QETH_CARD_TYPE_OSN) { |
444 | skb_push(skb, sizeof(struct qeth_hdr)); | |
445 | skb_copy_to_linear_data(skb, hdr, | |
4a71df50 | 446 | sizeof(struct qeth_hdr)); |
2d488c2f UB |
447 | len = skb->len; |
448 | card->osn_info.data_cb(skb); | |
449 | break; | |
450 | } | |
451 | /* else unknown */ | |
4a71df50 FB |
452 | default: |
453 | dev_kfree_skb_any(skb); | |
847a50fd | 454 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 455 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
456 | continue; |
457 | } | |
a1c3ed4c FB |
458 | work_done++; |
459 | budget--; | |
4a71df50 FB |
460 | card->stats.rx_packets++; |
461 | card->stats.rx_bytes += len; | |
462 | } | |
a1c3ed4c FB |
463 | return work_done; |
464 | } | |
465 | ||
466 | static int qeth_l2_poll(struct napi_struct *napi, int budget) | |
467 | { | |
468 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
469 | int work_done = 0; | |
470 | struct qeth_qdio_buffer *buffer; | |
471 | int done; | |
472 | int new_budget = budget; | |
473 | ||
474 | if (card->options.performance_stats) { | |
475 | card->perf_stats.inbound_cnt++; | |
476 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
477 | } | |
478 | ||
479 | while (1) { | |
480 | if (!card->rx.b_count) { | |
481 | card->rx.qdio_err = 0; | |
482 | card->rx.b_count = qdio_get_next_buffers( | |
483 | card->data.ccwdev, 0, &card->rx.b_index, | |
484 | &card->rx.qdio_err); | |
485 | if (card->rx.b_count <= 0) { | |
486 | card->rx.b_count = 0; | |
487 | break; | |
488 | } | |
489 | card->rx.b_element = | |
490 | &card->qdio.in_q->bufs[card->rx.b_index] | |
491 | .buffer->element[0]; | |
492 | card->rx.e_offset = 0; | |
493 | } | |
494 | ||
495 | while (card->rx.b_count) { | |
496 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
497 | if (!(card->rx.qdio_err && | |
498 | qeth_check_qdio_errors(card, buffer->buffer, | |
499 | card->rx.qdio_err, "qinerr"))) | |
500 | work_done += qeth_l2_process_inbound_buffer( | |
501 | card, new_budget, &done); | |
502 | else | |
503 | done = 1; | |
504 | ||
505 | if (done) { | |
506 | if (card->options.performance_stats) | |
507 | card->perf_stats.bufs_rec++; | |
508 | qeth_put_buffer_pool_entry(card, | |
509 | buffer->pool_entry); | |
510 | qeth_queue_input_buffer(card, card->rx.b_index); | |
511 | card->rx.b_count--; | |
512 | if (card->rx.b_count) { | |
513 | card->rx.b_index = | |
514 | (card->rx.b_index + 1) % | |
515 | QDIO_MAX_BUFFERS_PER_Q; | |
516 | card->rx.b_element = | |
517 | &card->qdio.in_q | |
518 | ->bufs[card->rx.b_index] | |
519 | .buffer->element[0]; | |
520 | card->rx.e_offset = 0; | |
521 | } | |
522 | } | |
523 | ||
524 | if (work_done >= budget) | |
525 | goto out; | |
526 | else | |
527 | new_budget = budget - work_done; | |
528 | } | |
529 | } | |
530 | ||
531 | napi_complete(napi); | |
532 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
533 | napi_schedule(&card->napi); | |
534 | out: | |
535 | if (card->options.performance_stats) | |
536 | card->perf_stats.inbound_time += qeth_get_micros() - | |
537 | card->perf_stats.inbound_start_time; | |
538 | return work_done; | |
4a71df50 FB |
539 | } |
540 | ||
541 | static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, | |
542 | enum qeth_ipa_cmds ipacmd, | |
543 | int (*reply_cb) (struct qeth_card *, | |
544 | struct qeth_reply*, | |
545 | unsigned long)) | |
546 | { | |
547 | struct qeth_ipa_cmd *cmd; | |
548 | struct qeth_cmd_buffer *iob; | |
549 | ||
847a50fd | 550 | QETH_CARD_TEXT(card, 2, "L2sdmac"); |
4a71df50 FB |
551 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); |
552 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
553 | cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; | |
554 | memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); | |
555 | return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); | |
556 | } | |
557 | ||
558 | static int qeth_l2_send_setmac_cb(struct qeth_card *card, | |
559 | struct qeth_reply *reply, | |
560 | unsigned long data) | |
561 | { | |
562 | struct qeth_ipa_cmd *cmd; | |
563 | ||
847a50fd | 564 | QETH_CARD_TEXT(card, 2, "L2Smaccb"); |
4a71df50 FB |
565 | cmd = (struct qeth_ipa_cmd *) data; |
566 | if (cmd->hdr.return_code) { | |
847a50fd | 567 | QETH_CARD_TEXT_(card, 2, "L2er%x", cmd->hdr.return_code); |
4a71df50 | 568 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; |
0666eb06 UB |
569 | switch (cmd->hdr.return_code) { |
570 | case IPA_RC_L2_DUP_MAC: | |
571 | case IPA_RC_L2_DUP_LAYER3_MAC: | |
572 | dev_warn(&card->gdev->dev, | |
d998ab0b | 573 | "MAC address %pM already exists\n", |
221c17fe | 574 | cmd->data.setdelmac.mac); |
0666eb06 UB |
575 | break; |
576 | case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: | |
577 | case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: | |
578 | dev_warn(&card->gdev->dev, | |
d998ab0b | 579 | "MAC address %pM is not authorized\n", |
221c17fe | 580 | cmd->data.setdelmac.mac); |
0666eb06 UB |
581 | break; |
582 | default: | |
583 | break; | |
584 | } | |
4a71df50 FB |
585 | } else { |
586 | card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; | |
587 | memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac, | |
588 | OSA_ADDR_LEN); | |
74eacdb9 | 589 | dev_info(&card->gdev->dev, |
d998ab0b HS |
590 | "MAC address %pM successfully registered on device %s\n", |
591 | card->dev->dev_addr, card->dev->name); | |
4a71df50 FB |
592 | } |
593 | return 0; | |
594 | } | |
595 | ||
596 | static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) | |
597 | { | |
847a50fd | 598 | QETH_CARD_TEXT(card, 2, "L2Setmac"); |
4a71df50 FB |
599 | return qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, |
600 | qeth_l2_send_setmac_cb); | |
601 | } | |
602 | ||
603 | static int qeth_l2_send_delmac_cb(struct qeth_card *card, | |
604 | struct qeth_reply *reply, | |
605 | unsigned long data) | |
606 | { | |
607 | struct qeth_ipa_cmd *cmd; | |
608 | ||
847a50fd | 609 | QETH_CARD_TEXT(card, 2, "L2Dmaccb"); |
4a71df50 FB |
610 | cmd = (struct qeth_ipa_cmd *) data; |
611 | if (cmd->hdr.return_code) { | |
847a50fd | 612 | QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); |
4a71df50 FB |
613 | return 0; |
614 | } | |
615 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; | |
616 | ||
617 | return 0; | |
618 | } | |
619 | ||
620 | static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) | |
621 | { | |
847a50fd | 622 | QETH_CARD_TEXT(card, 2, "L2Delmac"); |
4a71df50 FB |
623 | if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) |
624 | return 0; | |
625 | return qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, | |
626 | qeth_l2_send_delmac_cb); | |
627 | } | |
628 | ||
629 | static int qeth_l2_request_initial_mac(struct qeth_card *card) | |
630 | { | |
631 | int rc = 0; | |
632 | char vendor_pre[] = {0x02, 0x00, 0x00}; | |
633 | ||
d11ba0c4 PT |
634 | QETH_DBF_TEXT(SETUP, 2, "doL2init"); |
635 | QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); | |
4a71df50 | 636 | |
a134884a SR |
637 | if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) { |
638 | rc = qeth_query_setadapterparms(card); | |
639 | if (rc) { | |
640 | QETH_DBF_MESSAGE(2, "could not query adapter " | |
641 | "parameters on device %s: x%x\n", | |
642 | CARD_BUS_ID(card), rc); | |
643 | } | |
4a71df50 FB |
644 | } |
645 | ||
5113fec0 UB |
646 | if (card->info.type == QETH_CARD_TYPE_IQD || |
647 | card->info.type == QETH_CARD_TYPE_OSM || | |
648 | card->info.type == QETH_CARD_TYPE_OSX || | |
649 | card->info.guestlan) { | |
4a71df50 FB |
650 | rc = qeth_setadpparms_change_macaddr(card); |
651 | if (rc) { | |
14cc21b6 FB |
652 | QETH_DBF_MESSAGE(2, "couldn't get MAC address on " |
653 | "device %s: x%x\n", CARD_BUS_ID(card), rc); | |
d11ba0c4 | 654 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
655 | return rc; |
656 | } | |
d11ba0c4 | 657 | QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN); |
4a71df50 | 658 | } else { |
1833611d | 659 | eth_random_addr(card->dev->dev_addr); |
4a71df50 FB |
660 | memcpy(card->dev->dev_addr, vendor_pre, 3); |
661 | } | |
662 | return 0; | |
663 | } | |
664 | ||
665 | static int qeth_l2_set_mac_address(struct net_device *dev, void *p) | |
666 | { | |
667 | struct sockaddr *addr = p; | |
509e2562 | 668 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
669 | int rc = 0; |
670 | ||
847a50fd | 671 | QETH_CARD_TEXT(card, 3, "setmac"); |
4a71df50 FB |
672 | |
673 | if (qeth_l2_verify_dev(dev) != QETH_REAL_CARD) { | |
847a50fd | 674 | QETH_CARD_TEXT(card, 3, "setmcINV"); |
4a71df50 FB |
675 | return -EOPNOTSUPP; |
676 | } | |
677 | ||
5113fec0 UB |
678 | if (card->info.type == QETH_CARD_TYPE_OSN || |
679 | card->info.type == QETH_CARD_TYPE_OSM || | |
680 | card->info.type == QETH_CARD_TYPE_OSX) { | |
847a50fd | 681 | QETH_CARD_TEXT(card, 3, "setmcTYP"); |
4a71df50 FB |
682 | return -EOPNOTSUPP; |
683 | } | |
847a50fd | 684 | QETH_CARD_HEX(card, 3, addr->sa_data, OSA_ADDR_LEN); |
8e98ac48 | 685 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 686 | QETH_CARD_TEXT(card, 3, "setmcREC"); |
8e98ac48 UB |
687 | return -ERESTARTSYS; |
688 | } | |
4a71df50 | 689 | rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); |
7702745b | 690 | if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND)) |
4a71df50 | 691 | rc = qeth_l2_send_setmac(card, addr->sa_data); |
e0a8114c | 692 | return rc ? -EINVAL : 0; |
4a71df50 FB |
693 | } |
694 | ||
695 | static void qeth_l2_set_multicast_list(struct net_device *dev) | |
696 | { | |
509e2562 | 697 | struct qeth_card *card = dev->ml_priv; |
ccffad25 | 698 | struct netdev_hw_addr *ha; |
4a71df50 FB |
699 | |
700 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
701 | return ; | |
702 | ||
847a50fd | 703 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
704 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
705 | (card->state != CARD_STATE_UP)) | |
706 | return; | |
70919e23 | 707 | qeth_l2_del_all_mc(card, 1); |
4a71df50 | 708 | spin_lock_bh(&card->mclock); |
22bedad3 JP |
709 | netdev_for_each_mc_addr(ha, dev) |
710 | qeth_l2_add_mc(card, ha->addr, 0); | |
7db2266a | 711 | |
32e7bfc4 | 712 | netdev_for_each_uc_addr(ha, dev) |
ccffad25 | 713 | qeth_l2_add_mc(card, ha->addr, 1); |
7db2266a | 714 | |
4a71df50 FB |
715 | spin_unlock_bh(&card->mclock); |
716 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
717 | return; | |
718 | qeth_setadp_promisc_mode(card); | |
719 | } | |
720 | ||
721 | static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
722 | { | |
723 | int rc; | |
724 | struct qeth_hdr *hdr = NULL; | |
725 | int elements = 0; | |
509e2562 | 726 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 727 | struct sk_buff *new_skb = skb; |
ce73e10e | 728 | int cast_type = qeth_l2_get_cast_type(card, skb); |
290b8348 | 729 | struct qeth_qdio_out_q *queue; |
4a71df50 | 730 | int tx_bytes = skb->len; |
683d718a FB |
731 | int data_offset = -1; |
732 | int elements_needed = 0; | |
733 | int hd_len = 0; | |
4a71df50 | 734 | |
290b8348 SR |
735 | if (card->qdio.do_prio_queueing || (cast_type && |
736 | card->info.is_multicast_different)) | |
737 | queue = card->qdio.out_qs[qeth_get_priority_queue(card, skb, | |
738 | qeth_get_ip_version(skb), cast_type)]; | |
739 | else | |
740 | queue = card->qdio.out_qs[card->qdio.default_out_queue]; | |
741 | ||
4a71df50 FB |
742 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { |
743 | card->stats.tx_carrier_errors++; | |
744 | goto tx_drop; | |
745 | } | |
746 | ||
747 | if ((card->info.type == QETH_CARD_TYPE_OSN) && | |
748 | (skb->protocol == htons(ETH_P_IPV6))) | |
749 | goto tx_drop; | |
750 | ||
751 | if (card->options.performance_stats) { | |
752 | card->perf_stats.outbound_cnt++; | |
753 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
754 | } | |
755 | netif_stop_queue(dev); | |
756 | ||
4a71df50 FB |
757 | if (card->info.type == QETH_CARD_TYPE_OSN) |
758 | hdr = (struct qeth_hdr *)skb->data; | |
759 | else { | |
64ef8957 | 760 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
683d718a FB |
761 | new_skb = skb; |
762 | data_offset = ETH_HLEN; | |
763 | hd_len = ETH_HLEN; | |
764 | hdr = kmem_cache_alloc(qeth_core_header_cache, | |
765 | GFP_ATOMIC); | |
766 | if (!hdr) | |
767 | goto tx_drop; | |
768 | elements_needed++; | |
769 | skb_reset_mac_header(new_skb); | |
43934077 | 770 | qeth_l2_fill_header(card, hdr, new_skb, cast_type); |
683d718a FB |
771 | hdr->hdr.l2.pkt_length = new_skb->len; |
772 | memcpy(((char *)hdr) + sizeof(struct qeth_hdr), | |
773 | skb_mac_header(new_skb), ETH_HLEN); | |
774 | } else { | |
775 | /* create a clone with writeable headroom */ | |
776 | new_skb = skb_realloc_headroom(skb, | |
777 | sizeof(struct qeth_hdr)); | |
778 | if (!new_skb) | |
779 | goto tx_drop; | |
780 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
f90b744e | 781 | sizeof(struct qeth_hdr)); |
683d718a | 782 | skb_set_mac_header(new_skb, sizeof(struct qeth_hdr)); |
43934077 | 783 | qeth_l2_fill_header(card, hdr, new_skb, cast_type); |
683d718a | 784 | } |
4a71df50 FB |
785 | } |
786 | ||
065cc782 | 787 | elements = qeth_get_elements_no(card, new_skb, elements_needed); |
64ef8957 FB |
788 | if (!elements) { |
789 | if (data_offset >= 0) | |
790 | kmem_cache_free(qeth_core_header_cache, hdr); | |
791 | goto tx_drop; | |
f61a0d05 | 792 | } |
4a71df50 | 793 | |
51aa165c | 794 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
d4ae1f5e | 795 | if (qeth_hdr_chk_and_bounce(new_skb, &hdr, |
51aa165c FB |
796 | sizeof(struct qeth_hdr_layer2))) |
797 | goto tx_drop; | |
4a71df50 | 798 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 799 | elements); |
51aa165c | 800 | } else |
4a71df50 | 801 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 802 | elements, data_offset, hd_len); |
4a71df50 FB |
803 | if (!rc) { |
804 | card->stats.tx_packets++; | |
805 | card->stats.tx_bytes += tx_bytes; | |
806 | if (new_skb != skb) | |
807 | dev_kfree_skb_any(skb); | |
ec634fe3 | 808 | rc = NETDEV_TX_OK; |
4a71df50 | 809 | } else { |
683d718a FB |
810 | if (data_offset >= 0) |
811 | kmem_cache_free(qeth_core_header_cache, hdr); | |
812 | ||
4a71df50 FB |
813 | if (rc == -EBUSY) { |
814 | if (new_skb != skb) | |
815 | dev_kfree_skb_any(new_skb); | |
816 | return NETDEV_TX_BUSY; | |
817 | } else | |
818 | goto tx_drop; | |
819 | } | |
820 | ||
821 | netif_wake_queue(dev); | |
822 | if (card->options.performance_stats) | |
823 | card->perf_stats.outbound_time += qeth_get_micros() - | |
824 | card->perf_stats.outbound_start_time; | |
825 | return rc; | |
826 | ||
827 | tx_drop: | |
828 | card->stats.tx_dropped++; | |
829 | card->stats.tx_errors++; | |
830 | if ((new_skb != skb) && new_skb) | |
831 | dev_kfree_skb_any(new_skb); | |
832 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 833 | netif_wake_queue(dev); |
4a71df50 FB |
834 | return NETDEV_TX_OK; |
835 | } | |
836 | ||
39423440 | 837 | static int __qeth_l2_open(struct net_device *dev) |
4a71df50 | 838 | { |
509e2562 | 839 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 840 | int rc = 0; |
4a71df50 | 841 | |
847a50fd | 842 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
843 | if (card->state == CARD_STATE_UP) |
844 | return rc; | |
4a71df50 FB |
845 | if (card->state != CARD_STATE_SOFTSETUP) |
846 | return -ENODEV; | |
847 | ||
848 | if ((card->info.type != QETH_CARD_TYPE_OSN) && | |
849 | (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { | |
847a50fd | 850 | QETH_CARD_TEXT(card, 4, "nomacadr"); |
4a71df50 FB |
851 | return -EPERM; |
852 | } | |
853 | card->data.state = CH_STATE_UP; | |
854 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
855 | netif_start_queue(dev); |
856 | ||
a1c3ed4c FB |
857 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
858 | napi_enable(&card->napi); | |
859 | napi_schedule(&card->napi); | |
860 | } else | |
861 | rc = -EIO; | |
862 | return rc; | |
4a71df50 FB |
863 | } |
864 | ||
39423440 UB |
865 | static int qeth_l2_open(struct net_device *dev) |
866 | { | |
867 | struct qeth_card *card = dev->ml_priv; | |
868 | ||
869 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
870 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
871 | QETH_CARD_TEXT(card, 3, "openREC"); | |
872 | return -ERESTARTSYS; | |
873 | } | |
874 | return __qeth_l2_open(dev); | |
875 | } | |
876 | ||
4a71df50 FB |
877 | static int qeth_l2_stop(struct net_device *dev) |
878 | { | |
509e2562 | 879 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 880 | |
847a50fd | 881 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 882 | netif_tx_disable(dev); |
a1c3ed4c | 883 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 884 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
885 | napi_disable(&card->napi); |
886 | } | |
4a71df50 FB |
887 | return 0; |
888 | } | |
889 | ||
890 | static int qeth_l2_probe_device(struct ccwgroup_device *gdev) | |
891 | { | |
892 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
893 | ||
b4d72c08 | 894 | qeth_l2_create_device_attributes(&gdev->dev); |
4a71df50 FB |
895 | INIT_LIST_HEAD(&card->vid_list); |
896 | INIT_LIST_HEAD(&card->mc_list); | |
897 | card->options.layer2 = 1; | |
1da74b1c | 898 | card->info.hwtrap = 0; |
4a71df50 FB |
899 | return 0; |
900 | } | |
901 | ||
902 | static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) | |
903 | { | |
904 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
905 | ||
b4d72c08 | 906 | qeth_l2_remove_device_attributes(&cgdev->dev); |
f2148565 | 907 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
908 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
909 | ||
70919e23 | 910 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 911 | qeth_l2_set_offline(cgdev); |
4a71df50 FB |
912 | |
913 | if (card->dev) { | |
914 | unregister_netdev(card->dev); | |
915 | card->dev = NULL; | |
916 | } | |
4a71df50 FB |
917 | return; |
918 | } | |
919 | ||
0fc0b732 | 920 | static const struct ethtool_ops qeth_l2_ethtool_ops = { |
4a71df50 | 921 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
922 | .get_strings = qeth_core_get_strings, |
923 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 924 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 925 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 926 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
927 | }; |
928 | ||
0fc0b732 | 929 | static const struct ethtool_ops qeth_l2_osn_ops = { |
4a71df50 FB |
930 | .get_strings = qeth_core_get_strings, |
931 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 932 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 FB |
933 | .get_drvinfo = qeth_core_get_drvinfo, |
934 | }; | |
935 | ||
3d58cefd | 936 | static const struct net_device_ops qeth_l2_netdev_ops = { |
8403b13c FB |
937 | .ndo_open = qeth_l2_open, |
938 | .ndo_stop = qeth_l2_stop, | |
939 | .ndo_get_stats = qeth_get_stats, | |
940 | .ndo_start_xmit = qeth_l2_hard_start_xmit, | |
941 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 942 | .ndo_set_rx_mode = qeth_l2_set_multicast_list, |
8403b13c FB |
943 | .ndo_do_ioctl = qeth_l2_do_ioctl, |
944 | .ndo_set_mac_address = qeth_l2_set_mac_address, | |
945 | .ndo_change_mtu = qeth_change_mtu, | |
946 | .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, | |
947 | .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, | |
948 | .ndo_tx_timeout = qeth_tx_timeout, | |
949 | }; | |
950 | ||
4a71df50 FB |
951 | static int qeth_l2_setup_netdev(struct qeth_card *card) |
952 | { | |
953 | switch (card->info.type) { | |
4a71df50 | 954 | case QETH_CARD_TYPE_IQD: |
c835a677 TG |
955 | card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, |
956 | ether_setup); | |
4a71df50 FB |
957 | break; |
958 | case QETH_CARD_TYPE_OSN: | |
c835a677 TG |
959 | card->dev = alloc_netdev(0, "osn%d", NET_NAME_UNKNOWN, |
960 | ether_setup); | |
4a71df50 FB |
961 | card->dev->flags |= IFF_NOARP; |
962 | break; | |
963 | default: | |
964 | card->dev = alloc_etherdev(0); | |
965 | } | |
966 | ||
967 | if (!card->dev) | |
968 | return -ENODEV; | |
969 | ||
509e2562 | 970 | card->dev->ml_priv = card; |
4a71df50 | 971 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 | 972 | card->dev->mtu = card->info.initial_mtu; |
8403b13c | 973 | card->dev->netdev_ops = &qeth_l2_netdev_ops; |
7ad24ea4 WK |
974 | card->dev->ethtool_ops = |
975 | (card->info.type != QETH_CARD_TYPE_OSN) ? | |
976 | &qeth_l2_ethtool_ops : &qeth_l2_osn_ops; | |
f646968f | 977 | card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; |
4a71df50 FB |
978 | card->info.broadcast_capable = 1; |
979 | qeth_l2_request_initial_mac(card); | |
980 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 981 | netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT); |
4a71df50 FB |
982 | return register_netdev(card->dev); |
983 | } | |
984 | ||
985 | static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
986 | { | |
987 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
988 | int rc = 0; | |
989 | enum qeth_card_states recover_flag; | |
990 | ||
9dc48ccc | 991 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 992 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
993 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
994 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 995 | |
4a71df50 | 996 | recover_flag = card->state; |
4a71df50 FB |
997 | rc = qeth_core_hardsetup_card(card); |
998 | if (rc) { | |
d11ba0c4 | 999 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
aa909224 | 1000 | rc = -ENODEV; |
4a71df50 FB |
1001 | goto out_remove; |
1002 | } | |
c044dc21 EC |
1003 | qeth_bridgeport_query_support(card); |
1004 | if (card->options.sbp.supported_funcs) | |
1005 | dev_info(&card->gdev->dev, | |
1006 | "The device represents a HiperSockets Bridge Capable Port\n"); | |
395672e0 | 1007 | qeth_trace_features(card); |
4a71df50 | 1008 | |
aa909224 UB |
1009 | if (!card->dev && qeth_l2_setup_netdev(card)) { |
1010 | rc = -ENODEV; | |
4a71df50 | 1011 | goto out_remove; |
aa909224 | 1012 | } |
4a71df50 FB |
1013 | |
1014 | if (card->info.type != QETH_CARD_TYPE_OSN) | |
1015 | qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); | |
1016 | ||
1da74b1c FB |
1017 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
1018 | if (card->info.hwtrap && | |
1019 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
1020 | card->info.hwtrap = 0; | |
1021 | } else | |
1022 | card->info.hwtrap = 0; | |
1023 | ||
b4d72c08 EC |
1024 | qeth_l2_setup_bridgeport_attrs(card); |
1025 | ||
4a71df50 | 1026 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 1027 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
1028 | qeth_print_status_message(card); |
1029 | ||
1030 | /* softsetup */ | |
d11ba0c4 | 1031 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
1032 | |
1033 | rc = qeth_send_startlan(card); | |
1034 | if (rc) { | |
d11ba0c4 | 1035 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 1036 | if (rc == 0xe080) { |
74eacdb9 FB |
1037 | dev_warn(&card->gdev->dev, |
1038 | "The LAN is offline\n"); | |
4a71df50 | 1039 | card->lan_online = 0; |
2b6203bb | 1040 | goto contin; |
4a71df50 | 1041 | } |
aa909224 | 1042 | rc = -ENODEV; |
f2148565 | 1043 | goto out_remove; |
4a71df50 FB |
1044 | } else |
1045 | card->lan_online = 1; | |
1046 | ||
2b6203bb | 1047 | contin: |
5113fec0 | 1048 | if ((card->info.type == QETH_CARD_TYPE_OSD) || |
0f54761d | 1049 | (card->info.type == QETH_CARD_TYPE_OSX)) { |
d64ecc22 | 1050 | /* configure isolation level */ |
0f54761d SR |
1051 | rc = qeth_set_access_ctrl_online(card, 0); |
1052 | if (rc) { | |
1053 | rc = -ENODEV; | |
1054 | goto out_remove; | |
1055 | } | |
1056 | } | |
5113fec0 UB |
1057 | |
1058 | if (card->info.type != QETH_CARD_TYPE_OSN && | |
1059 | card->info.type != QETH_CARD_TYPE_OSM) | |
70919e23 | 1060 | qeth_l2_process_vlans(card); |
4a71df50 FB |
1061 | |
1062 | netif_tx_disable(card->dev); | |
1063 | ||
1064 | rc = qeth_init_qdio_queues(card); | |
1065 | if (rc) { | |
d11ba0c4 | 1066 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 1067 | rc = -ENODEV; |
4a71df50 FB |
1068 | goto out_remove; |
1069 | } | |
1070 | card->state = CARD_STATE_SOFTSETUP; | |
2b6203bb UB |
1071 | if (card->lan_online) |
1072 | netif_carrier_on(card->dev); | |
1073 | else | |
1074 | netif_carrier_off(card->dev); | |
4a71df50 FB |
1075 | |
1076 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
1077 | if (recover_flag == CARD_STATE_RECOVER) { | |
1078 | if (recovery_mode && | |
1079 | card->info.type != QETH_CARD_TYPE_OSN) { | |
39423440 | 1080 | __qeth_l2_open(card->dev); |
4a71df50 FB |
1081 | } else { |
1082 | rtnl_lock(); | |
1083 | dev_open(card->dev); | |
1084 | rtnl_unlock(); | |
1085 | } | |
1086 | /* this also sets saved unicast addresses */ | |
1087 | qeth_l2_set_multicast_list(card->dev); | |
1088 | } | |
1089 | /* let user_space know that device is online */ | |
1090 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 1091 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 1092 | mutex_unlock(&card->discipline_mutex); |
4a71df50 | 1093 | return 0; |
aa909224 | 1094 | |
4a71df50 | 1095 | out_remove: |
4a71df50 FB |
1096 | qeth_l2_stop_card(card, 0); |
1097 | ccw_device_set_offline(CARD_DDEV(card)); | |
1098 | ccw_device_set_offline(CARD_WDEV(card)); | |
1099 | ccw_device_set_offline(CARD_RDEV(card)); | |
22ae2790 | 1100 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1101 | if (recover_flag == CARD_STATE_RECOVER) |
1102 | card->state = CARD_STATE_RECOVER; | |
1103 | else | |
1104 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 1105 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 1106 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 1107 | return rc; |
4a71df50 FB |
1108 | } |
1109 | ||
1110 | static int qeth_l2_set_online(struct ccwgroup_device *gdev) | |
1111 | { | |
1112 | return __qeth_l2_set_online(gdev, 0); | |
1113 | } | |
1114 | ||
1115 | static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, | |
1116 | int recovery_mode) | |
1117 | { | |
1118 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
1119 | int rc = 0, rc2 = 0, rc3 = 0; | |
1120 | enum qeth_card_states recover_flag; | |
1121 | ||
9dc48ccc | 1122 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 1123 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
1124 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
1125 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
1126 | |
1127 | if (card->dev && netif_carrier_ok(card->dev)) | |
1128 | netif_carrier_off(card->dev); | |
1129 | recover_flag = card->state; | |
1da74b1c FB |
1130 | if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { |
1131 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
1132 | card->info.hwtrap = 1; | |
1133 | } | |
0f5623c9 | 1134 | qeth_l2_stop_card(card, recovery_mode); |
4a71df50 FB |
1135 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
1136 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
1137 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
1138 | if (!rc) | |
1139 | rc = (rc2) ? rc2 : rc3; | |
1140 | if (rc) | |
d11ba0c4 | 1141 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
22ae2790 | 1142 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1143 | if (recover_flag == CARD_STATE_UP) |
1144 | card->state = CARD_STATE_RECOVER; | |
1145 | /* let user_space know that device is offline */ | |
1146 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 1147 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 1148 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
1149 | return 0; |
1150 | } | |
1151 | ||
1152 | static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) | |
1153 | { | |
1154 | return __qeth_l2_set_offline(cgdev, 0); | |
1155 | } | |
1156 | ||
1157 | static int qeth_l2_recover(void *ptr) | |
1158 | { | |
1159 | struct qeth_card *card; | |
1160 | int rc = 0; | |
1161 | ||
1162 | card = (struct qeth_card *) ptr; | |
847a50fd | 1163 | QETH_CARD_TEXT(card, 2, "recover1"); |
4a71df50 FB |
1164 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
1165 | return 0; | |
847a50fd | 1166 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
1167 | dev_warn(&card->gdev->dev, |
1168 | "A recovery process has been started for the device\n"); | |
65d8013c | 1169 | qeth_set_recovery_task(card); |
4a71df50 FB |
1170 | __qeth_l2_set_offline(card->gdev, 1); |
1171 | rc = __qeth_l2_set_online(card->gdev, 1); | |
4a71df50 | 1172 | if (!rc) |
74eacdb9 FB |
1173 | dev_info(&card->gdev->dev, |
1174 | "Device successfully recovered!\n"); | |
28a7e4c9 | 1175 | else { |
0f54761d SR |
1176 | qeth_close_dev(card); |
1177 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
2efaf5ff | 1178 | "failed to recover an error on the device\n"); |
28a7e4c9 | 1179 | } |
65d8013c | 1180 | qeth_clear_recovery_task(card); |
a1c3ed4c FB |
1181 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
1182 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
1183 | return 0; |
1184 | } | |
1185 | ||
1186 | static int __init qeth_l2_init(void) | |
1187 | { | |
74eacdb9 | 1188 | pr_info("register layer 2 discipline\n"); |
4a71df50 FB |
1189 | return 0; |
1190 | } | |
1191 | ||
1192 | static void __exit qeth_l2_exit(void) | |
1193 | { | |
74eacdb9 | 1194 | pr_info("unregister layer 2 discipline\n"); |
4a71df50 FB |
1195 | } |
1196 | ||
1197 | static void qeth_l2_shutdown(struct ccwgroup_device *gdev) | |
1198 | { | |
1199 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
f78ac2bb | 1200 | qeth_set_allowed_threads(card, 0, 1); |
1da74b1c FB |
1201 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
1202 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
1203 | qeth_qdio_clear_card(card, 0); |
1204 | qeth_clear_qdio_buffers(card); | |
22ae2790 | 1205 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1206 | } |
1207 | ||
bbcfcdc8 FB |
1208 | static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) |
1209 | { | |
1210 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
1211 | ||
1212 | if (card->dev) | |
1213 | netif_device_detach(card->dev); | |
1214 | qeth_set_allowed_threads(card, 0, 1); | |
1215 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
1216 | if (gdev->state == CCWGROUP_OFFLINE) | |
1217 | return 0; | |
1218 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
1219 | if (card->info.hwtrap) |
1220 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
1221 | __qeth_l2_set_offline(card->gdev, 1); |
1222 | } else | |
1223 | __qeth_l2_set_offline(card->gdev, 0); | |
1224 | return 0; | |
1225 | } | |
1226 | ||
1227 | static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) | |
1228 | { | |
1229 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
1230 | int rc = 0; | |
1231 | ||
1232 | if (gdev->state == CCWGROUP_OFFLINE) | |
1233 | goto out; | |
1234 | ||
1235 | if (card->state == CARD_STATE_RECOVER) { | |
1236 | rc = __qeth_l2_set_online(card->gdev, 1); | |
1237 | if (rc) { | |
869da90b UB |
1238 | rtnl_lock(); |
1239 | dev_close(card->dev); | |
1240 | rtnl_unlock(); | |
bbcfcdc8 FB |
1241 | } |
1242 | } else | |
1243 | rc = __qeth_l2_set_online(card->gdev, 0); | |
1244 | out: | |
1245 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
1246 | if (card->dev) | |
1247 | netif_device_attach(card->dev); | |
1248 | if (rc) | |
1249 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
1250 | "failed to recover an error on the device\n"); | |
1251 | return rc; | |
1252 | } | |
1253 | ||
c044dc21 EC |
1254 | /* Returns zero if the command is successfully "consumed" */ |
1255 | static int qeth_l2_control_event(struct qeth_card *card, | |
1256 | struct qeth_ipa_cmd *cmd) | |
1257 | { | |
1258 | switch (cmd->hdr.command) { | |
1259 | case IPA_CMD_SETBRIDGEPORT: | |
1260 | if (cmd->data.sbp.hdr.command_code == | |
1261 | IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { | |
1262 | qeth_bridge_state_change(card, cmd); | |
1263 | return 0; | |
1264 | } else | |
1265 | return 1; | |
1266 | case IPA_CMD_ADDRESS_CHANGE_NOTIF: | |
1267 | qeth_bridge_host_event(card, cmd); | |
1268 | return 0; | |
1269 | default: | |
1270 | return 1; | |
1271 | } | |
1272 | } | |
1273 | ||
c041f2d4 SO |
1274 | struct qeth_discipline qeth_l2_discipline = { |
1275 | .start_poll = qeth_qdio_start_poll, | |
1276 | .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, | |
1277 | .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, | |
1278 | .recover = qeth_l2_recover, | |
1279 | .setup = qeth_l2_probe_device, | |
4a71df50 FB |
1280 | .remove = qeth_l2_remove_device, |
1281 | .set_online = qeth_l2_set_online, | |
1282 | .set_offline = qeth_l2_set_offline, | |
1283 | .shutdown = qeth_l2_shutdown, | |
bbcfcdc8 FB |
1284 | .freeze = qeth_l2_pm_suspend, |
1285 | .thaw = qeth_l2_pm_resume, | |
1286 | .restore = qeth_l2_pm_resume, | |
c044dc21 | 1287 | .control_event_handler = qeth_l2_control_event, |
4a71df50 | 1288 | }; |
c041f2d4 | 1289 | EXPORT_SYMBOL_GPL(qeth_l2_discipline); |
4a71df50 FB |
1290 | |
1291 | static int qeth_osn_send_control_data(struct qeth_card *card, int len, | |
1292 | struct qeth_cmd_buffer *iob) | |
1293 | { | |
1294 | unsigned long flags; | |
1295 | int rc = 0; | |
1296 | ||
847a50fd | 1297 | QETH_CARD_TEXT(card, 5, "osndctrd"); |
4a71df50 FB |
1298 | |
1299 | wait_event(card->wait_q, | |
1300 | atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); | |
1301 | qeth_prepare_control_data(card, len, iob); | |
847a50fd | 1302 | QETH_CARD_TEXT(card, 6, "osnoirqp"); |
4a71df50 FB |
1303 | spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); |
1304 | rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, | |
1305 | (addr_t) iob, 0, 0); | |
1306 | spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); | |
1307 | if (rc) { | |
14cc21b6 | 1308 | QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " |
4a71df50 | 1309 | "ccw_device_start rc = %i\n", rc); |
847a50fd | 1310 | QETH_CARD_TEXT_(card, 2, " err%d", rc); |
4a71df50 FB |
1311 | qeth_release_buffer(iob->channel, iob); |
1312 | atomic_set(&card->write.irq_pending, 0); | |
1313 | wake_up(&card->wait_q); | |
1314 | } | |
1315 | return rc; | |
1316 | } | |
1317 | ||
1318 | static int qeth_osn_send_ipa_cmd(struct qeth_card *card, | |
1319 | struct qeth_cmd_buffer *iob, int data_len) | |
1320 | { | |
1321 | u16 s1, s2; | |
1322 | ||
847a50fd | 1323 | QETH_CARD_TEXT(card, 4, "osndipa"); |
4a71df50 FB |
1324 | |
1325 | qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); | |
1326 | s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); | |
1327 | s2 = (u16)data_len; | |
1328 | memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); | |
1329 | memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); | |
1330 | memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); | |
1331 | memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); | |
1332 | return qeth_osn_send_control_data(card, s1, iob); | |
1333 | } | |
1334 | ||
1335 | int qeth_osn_assist(struct net_device *dev, void *data, int data_len) | |
1336 | { | |
1337 | struct qeth_cmd_buffer *iob; | |
1338 | struct qeth_card *card; | |
1339 | int rc; | |
1340 | ||
4a71df50 FB |
1341 | if (!dev) |
1342 | return -ENODEV; | |
509e2562 | 1343 | card = dev->ml_priv; |
4a71df50 FB |
1344 | if (!card) |
1345 | return -ENODEV; | |
847a50fd | 1346 | QETH_CARD_TEXT(card, 2, "osnsdmc"); |
4a71df50 FB |
1347 | if ((card->state != CARD_STATE_UP) && |
1348 | (card->state != CARD_STATE_SOFTSETUP)) | |
1349 | return -ENODEV; | |
1350 | iob = qeth_wait_for_buffer(&card->write); | |
1351 | memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); | |
1352 | rc = qeth_osn_send_ipa_cmd(card, iob, data_len); | |
1353 | return rc; | |
1354 | } | |
1355 | EXPORT_SYMBOL(qeth_osn_assist); | |
1356 | ||
1357 | int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, | |
1358 | int (*assist_cb)(struct net_device *, void *), | |
1359 | int (*data_cb)(struct sk_buff *)) | |
1360 | { | |
1361 | struct qeth_card *card; | |
1362 | ||
4a71df50 FB |
1363 | *dev = qeth_l2_netdev_by_devno(read_dev_no); |
1364 | if (*dev == NULL) | |
1365 | return -ENODEV; | |
509e2562 | 1366 | card = (*dev)->ml_priv; |
4a71df50 FB |
1367 | if (!card) |
1368 | return -ENODEV; | |
847a50fd | 1369 | QETH_CARD_TEXT(card, 2, "osnreg"); |
4a71df50 FB |
1370 | if ((assist_cb == NULL) || (data_cb == NULL)) |
1371 | return -EINVAL; | |
1372 | card->osn_info.assist_cb = assist_cb; | |
1373 | card->osn_info.data_cb = data_cb; | |
1374 | return 0; | |
1375 | } | |
1376 | EXPORT_SYMBOL(qeth_osn_register); | |
1377 | ||
1378 | void qeth_osn_deregister(struct net_device *dev) | |
1379 | { | |
1380 | struct qeth_card *card; | |
1381 | ||
4a71df50 FB |
1382 | if (!dev) |
1383 | return; | |
509e2562 | 1384 | card = dev->ml_priv; |
4a71df50 FB |
1385 | if (!card) |
1386 | return; | |
847a50fd | 1387 | QETH_CARD_TEXT(card, 2, "osndereg"); |
4a71df50 FB |
1388 | card->osn_info.assist_cb = NULL; |
1389 | card->osn_info.data_cb = NULL; | |
1390 | return; | |
1391 | } | |
1392 | EXPORT_SYMBOL(qeth_osn_deregister); | |
1393 | ||
b4d72c08 EC |
1394 | /* SETBRIDGEPORT support, async notifications */ |
1395 | ||
9f48b9db EC |
1396 | enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; |
1397 | ||
1398 | /** | |
1399 | * qeth_bridge_emit_host_event() - bridgeport address change notification | |
1400 | * @card: qeth_card structure pointer, for udev events. | |
1401 | * @evtype: "normal" register/unregister, or abort, or reset. For abort | |
1402 | * and reset token and addr_lnid are unused and may be NULL. | |
1403 | * @code: event bitmask: high order bit 0x80 value 1 means removal of an | |
1404 | * object, 0 - addition of an object. | |
1405 | * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. | |
1406 | * @token: "network token" structure identifying physical address of the port. | |
1407 | * @addr_lnid: pointer to structure with MAC address and VLAN ID. | |
1408 | * | |
1409 | * This function is called when registrations and deregistrations are | |
1410 | * reported by the hardware, and also when notifications are enabled - | |
1411 | * for all currently registered addresses. | |
1412 | */ | |
1413 | static void qeth_bridge_emit_host_event(struct qeth_card *card, | |
1414 | enum qeth_an_event_type evtype, | |
1415 | u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) | |
1416 | { | |
1417 | char str[7][32]; | |
1418 | char *env[8]; | |
1419 | int i = 0; | |
1420 | ||
1421 | switch (evtype) { | |
1422 | case anev_reg_unreg: | |
1423 | snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", | |
1424 | (code & IPA_ADDR_CHANGE_CODE_REMOVAL) | |
1425 | ? "deregister" : "register"); | |
1426 | env[i] = str[i]; i++; | |
1427 | if (code & IPA_ADDR_CHANGE_CODE_VLANID) { | |
1428 | snprintf(str[i], sizeof(str[i]), "VLAN=%d", | |
1429 | addr_lnid->lnid); | |
1430 | env[i] = str[i]; i++; | |
1431 | } | |
1432 | if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { | |
1433 | snprintf(str[i], sizeof(str[i]), "MAC=%pM6", | |
1434 | &addr_lnid->mac); | |
1435 | env[i] = str[i]; i++; | |
1436 | } | |
1437 | snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", | |
1438 | token->cssid, token->ssid, token->devnum); | |
1439 | env[i] = str[i]; i++; | |
1440 | snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); | |
1441 | env[i] = str[i]; i++; | |
1442 | snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", | |
1443 | token->chpid); | |
1444 | env[i] = str[i]; i++; | |
1445 | snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); | |
1446 | env[i] = str[i]; i++; | |
1447 | break; | |
1448 | case anev_abort: | |
1449 | snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); | |
1450 | env[i] = str[i]; i++; | |
1451 | break; | |
1452 | case anev_reset: | |
1453 | snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); | |
1454 | env[i] = str[i]; i++; | |
1455 | break; | |
1456 | } | |
1457 | env[i] = NULL; | |
1458 | kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); | |
1459 | } | |
1460 | ||
b4d72c08 EC |
1461 | struct qeth_bridge_state_data { |
1462 | struct work_struct worker; | |
1463 | struct qeth_card *card; | |
1464 | struct qeth_sbp_state_change qports; | |
1465 | }; | |
1466 | ||
1467 | static void qeth_bridge_state_change_worker(struct work_struct *work) | |
1468 | { | |
1469 | struct qeth_bridge_state_data *data = | |
1470 | container_of(work, struct qeth_bridge_state_data, worker); | |
1471 | /* We are only interested in the first entry - local port */ | |
1472 | struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; | |
1473 | char env_locrem[32]; | |
1474 | char env_role[32]; | |
1475 | char env_state[32]; | |
1476 | char *env[] = { | |
1477 | env_locrem, | |
1478 | env_role, | |
1479 | env_state, | |
1480 | NULL | |
1481 | }; | |
1482 | ||
1483 | /* Role should not change by itself, but if it did, */ | |
1484 | /* information from the hardware is authoritative. */ | |
1485 | mutex_lock(&data->card->conf_mutex); | |
1486 | data->card->options.sbp.role = entry->role; | |
1487 | mutex_unlock(&data->card->conf_mutex); | |
1488 | ||
1489 | snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); | |
1490 | snprintf(env_role, sizeof(env_role), "ROLE=%s", | |
1491 | (entry->role == QETH_SBP_ROLE_NONE) ? "none" : | |
1492 | (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : | |
1493 | (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : | |
1494 | "<INVALID>"); | |
1495 | snprintf(env_state, sizeof(env_state), "STATE=%s", | |
1496 | (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : | |
1497 | (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : | |
1498 | (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : | |
1499 | "<INVALID>"); | |
1500 | kobject_uevent_env(&data->card->gdev->dev.kobj, | |
1501 | KOBJ_CHANGE, env); | |
1502 | kfree(data); | |
1503 | } | |
1504 | ||
c044dc21 EC |
1505 | static void qeth_bridge_state_change(struct qeth_card *card, |
1506 | struct qeth_ipa_cmd *cmd) | |
b4d72c08 EC |
1507 | { |
1508 | struct qeth_sbp_state_change *qports = | |
1509 | &cmd->data.sbp.data.state_change; | |
1510 | struct qeth_bridge_state_data *data; | |
1511 | int extrasize; | |
1512 | ||
1513 | QETH_CARD_TEXT(card, 2, "brstchng"); | |
1514 | if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { | |
8a593148 | 1515 | QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); |
b4d72c08 EC |
1516 | return; |
1517 | } | |
1518 | extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; | |
1519 | data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, | |
1520 | GFP_ATOMIC); | |
1521 | if (!data) { | |
1522 | QETH_CARD_TEXT(card, 2, "BPSalloc"); | |
1523 | return; | |
1524 | } | |
1525 | INIT_WORK(&data->worker, qeth_bridge_state_change_worker); | |
1526 | data->card = card; | |
1527 | memcpy(&data->qports, qports, | |
1528 | sizeof(struct qeth_sbp_state_change) + extrasize); | |
1529 | queue_work(qeth_wq, &data->worker); | |
1530 | } | |
b4d72c08 | 1531 | |
9f48b9db EC |
1532 | struct qeth_bridge_host_data { |
1533 | struct work_struct worker; | |
1534 | struct qeth_card *card; | |
1535 | struct qeth_ipacmd_addr_change hostevs; | |
1536 | }; | |
1537 | ||
1538 | static void qeth_bridge_host_event_worker(struct work_struct *work) | |
1539 | { | |
1540 | struct qeth_bridge_host_data *data = | |
1541 | container_of(work, struct qeth_bridge_host_data, worker); | |
1542 | int i; | |
1543 | ||
1544 | if (data->hostevs.lost_event_mask) { | |
1545 | dev_info(&data->card->gdev->dev, | |
1546 | "Address notification from the HiperSockets Bridge Port stopped %s (%s)\n", | |
1547 | data->card->dev->name, | |
1548 | (data->hostevs.lost_event_mask == 0x01) | |
1549 | ? "Overflow" | |
1550 | : (data->hostevs.lost_event_mask == 0x02) | |
1551 | ? "Bridge port state change" | |
1552 | : "Unknown reason"); | |
1553 | mutex_lock(&data->card->conf_mutex); | |
1554 | data->card->options.sbp.hostnotification = 0; | |
1555 | mutex_unlock(&data->card->conf_mutex); | |
1556 | qeth_bridge_emit_host_event(data->card, anev_abort, | |
1557 | 0, NULL, NULL); | |
1558 | } else | |
1559 | for (i = 0; i < data->hostevs.num_entries; i++) { | |
1560 | struct qeth_ipacmd_addr_change_entry *entry = | |
1561 | &data->hostevs.entry[i]; | |
1562 | qeth_bridge_emit_host_event(data->card, | |
1563 | anev_reg_unreg, | |
1564 | entry->change_code, | |
1565 | &entry->token, &entry->addr_lnid); | |
1566 | } | |
1567 | kfree(data); | |
1568 | } | |
1569 | ||
c044dc21 EC |
1570 | static void qeth_bridge_host_event(struct qeth_card *card, |
1571 | struct qeth_ipa_cmd *cmd) | |
9f48b9db EC |
1572 | { |
1573 | struct qeth_ipacmd_addr_change *hostevs = | |
1574 | &cmd->data.addrchange; | |
1575 | struct qeth_bridge_host_data *data; | |
1576 | int extrasize; | |
1577 | ||
1578 | QETH_CARD_TEXT(card, 2, "brhostev"); | |
1579 | if (cmd->hdr.return_code != 0x0000) { | |
1580 | if (cmd->hdr.return_code == 0x0010) { | |
1581 | if (hostevs->lost_event_mask == 0x00) | |
1582 | hostevs->lost_event_mask = 0xff; | |
1583 | } else { | |
1584 | QETH_CARD_TEXT_(card, 2, "BPHe%04x", | |
1585 | cmd->hdr.return_code); | |
1586 | return; | |
1587 | } | |
1588 | } | |
1589 | extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * | |
1590 | hostevs->num_entries; | |
1591 | data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, | |
1592 | GFP_ATOMIC); | |
1593 | if (!data) { | |
1594 | QETH_CARD_TEXT(card, 2, "BPHalloc"); | |
1595 | return; | |
1596 | } | |
1597 | INIT_WORK(&data->worker, qeth_bridge_host_event_worker); | |
1598 | data->card = card; | |
1599 | memcpy(&data->hostevs, hostevs, | |
1600 | sizeof(struct qeth_ipacmd_addr_change) + extrasize); | |
1601 | queue_work(qeth_wq, &data->worker); | |
1602 | } | |
9f48b9db | 1603 | |
b4d72c08 EC |
1604 | /* SETBRIDGEPORT support; sending commands */ |
1605 | ||
1606 | struct _qeth_sbp_cbctl { | |
1607 | u16 ipa_rc; | |
1608 | u16 cmd_rc; | |
1609 | union { | |
1610 | u32 supported; | |
1611 | struct { | |
1612 | enum qeth_sbp_roles *role; | |
1613 | enum qeth_sbp_states *state; | |
1614 | } qports; | |
1615 | } data; | |
1616 | }; | |
1617 | ||
1618 | /** | |
1619 | * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. | |
1620 | * @card: qeth_card structure pointer, for debug messages. | |
1621 | * @cbctl: state structure with hardware return codes. | |
1622 | * @setcmd: IPA command code | |
1623 | * | |
1624 | * Returns negative errno-compatible error indication or 0 on success. | |
1625 | */ | |
1626 | static int qeth_bridgeport_makerc(struct qeth_card *card, | |
1627 | struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) | |
1628 | { | |
1629 | int rc; | |
1630 | ||
1631 | switch (cbctl->ipa_rc) { | |
1632 | case IPA_RC_SUCCESS: | |
1633 | switch (cbctl->cmd_rc) { | |
1634 | case 0x0000: | |
1635 | rc = 0; | |
1636 | break; | |
1637 | case 0x0004: | |
1638 | rc = -ENOSYS; | |
1639 | break; | |
1640 | case 0x000C: /* Not configured as bridge Port */ | |
1641 | rc = -ENODEV; /* maybe not the best code here? */ | |
1642 | dev_err(&card->gdev->dev, | |
1643 | "The HiperSockets device is not configured as a Bridge Port\n"); | |
1644 | break; | |
1645 | case 0x0014: /* Another device is Primary */ | |
1646 | switch (setcmd) { | |
1647 | case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: | |
1648 | rc = -EEXIST; | |
1649 | dev_err(&card->gdev->dev, | |
1650 | "The HiperSockets LAN already has a primary Bridge Port\n"); | |
1651 | break; | |
1652 | case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: | |
1653 | rc = -EBUSY; | |
1654 | dev_err(&card->gdev->dev, | |
1655 | "The HiperSockets device is already a primary Bridge Port\n"); | |
1656 | break; | |
1657 | default: | |
1658 | rc = -EIO; | |
1659 | } | |
1660 | break; | |
1661 | case 0x0018: /* This device is currently Secondary */ | |
1662 | rc = -EBUSY; | |
1663 | dev_err(&card->gdev->dev, | |
1664 | "The HiperSockets device is already a secondary Bridge Port\n"); | |
1665 | break; | |
1666 | case 0x001C: /* Limit for Secondary devices reached */ | |
1667 | rc = -EEXIST; | |
1668 | dev_err(&card->gdev->dev, | |
1669 | "The HiperSockets LAN cannot have more secondary Bridge Ports\n"); | |
1670 | break; | |
1671 | case 0x0024: /* This device is currently Primary */ | |
1672 | rc = -EBUSY; | |
1673 | dev_err(&card->gdev->dev, | |
1674 | "The HiperSockets device is already a primary Bridge Port\n"); | |
1675 | break; | |
1676 | case 0x0020: /* Not authorized by zManager */ | |
1677 | rc = -EACCES; | |
1678 | dev_err(&card->gdev->dev, | |
1679 | "The HiperSockets device is not authorized to be a Bridge Port\n"); | |
1680 | break; | |
1681 | default: | |
1682 | rc = -EIO; | |
1683 | } | |
1684 | break; | |
1685 | case IPA_RC_NOTSUPP: | |
1686 | rc = -ENOSYS; | |
1687 | break; | |
1688 | case IPA_RC_UNSUPPORTED_COMMAND: | |
1689 | rc = -ENOSYS; | |
1690 | break; | |
1691 | default: | |
1692 | rc = -EIO; | |
1693 | } | |
1694 | if (rc) { | |
1695 | QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); | |
1696 | QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); | |
1697 | } | |
1698 | return rc; | |
1699 | } | |
1700 | ||
1701 | static int qeth_bridgeport_query_support_cb(struct qeth_card *card, | |
1702 | struct qeth_reply *reply, unsigned long data) | |
1703 | { | |
1704 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; | |
1705 | struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; | |
1706 | QETH_CARD_TEXT(card, 2, "brqsupcb"); | |
1707 | cbctl->ipa_rc = cmd->hdr.return_code; | |
1708 | cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; | |
1709 | if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { | |
1710 | cbctl->data.supported = | |
1711 | cmd->data.sbp.data.query_cmds_supp.supported_cmds; | |
1712 | } else { | |
1713 | cbctl->data.supported = 0; | |
1714 | } | |
1715 | return 0; | |
1716 | } | |
1717 | ||
1718 | /** | |
1719 | * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. | |
1720 | * @card: qeth_card structure pointer. | |
1721 | * | |
1722 | * Sets bitmask of supported setbridgeport subfunctions in the qeth_card | |
1723 | * strucutre: card->options.sbp.supported_funcs. | |
1724 | */ | |
c044dc21 | 1725 | static void qeth_bridgeport_query_support(struct qeth_card *card) |
b4d72c08 EC |
1726 | { |
1727 | struct qeth_cmd_buffer *iob; | |
1728 | struct qeth_ipa_cmd *cmd; | |
1729 | struct _qeth_sbp_cbctl cbctl; | |
1730 | ||
1731 | QETH_CARD_TEXT(card, 2, "brqsuppo"); | |
1732 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0); | |
1733 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1734 | cmd->data.sbp.hdr.cmdlength = | |
1735 | sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1736 | sizeof(struct qeth_sbp_query_cmds_supp); | |
1737 | cmd->data.sbp.hdr.command_code = | |
1738 | IPA_SBP_QUERY_COMMANDS_SUPPORTED; | |
1739 | cmd->data.sbp.hdr.used_total = 1; | |
1740 | cmd->data.sbp.hdr.seq_no = 1; | |
1741 | if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, | |
1742 | (void *)&cbctl) || | |
1743 | qeth_bridgeport_makerc(card, &cbctl, | |
1744 | IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { | |
1745 | /* non-zero makerc signifies failure, and produce messages */ | |
1746 | card->options.sbp.role = QETH_SBP_ROLE_NONE; | |
1747 | return; | |
1748 | } | |
1749 | card->options.sbp.supported_funcs = cbctl.data.supported; | |
1750 | } | |
b4d72c08 EC |
1751 | |
1752 | static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, | |
1753 | struct qeth_reply *reply, unsigned long data) | |
1754 | { | |
1755 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; | |
1756 | struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; | |
1757 | struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; | |
1758 | ||
1759 | QETH_CARD_TEXT(card, 2, "brqprtcb"); | |
1760 | cbctl->ipa_rc = cmd->hdr.return_code; | |
1761 | cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; | |
1762 | if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) | |
1763 | return 0; | |
1764 | if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { | |
1765 | cbctl->cmd_rc = 0xffff; | |
1766 | QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); | |
1767 | return 0; | |
1768 | } | |
1769 | /* first entry contains the state of the local port */ | |
1770 | if (qports->num_entries > 0) { | |
1771 | if (cbctl->data.qports.role) | |
1772 | *cbctl->data.qports.role = qports->entry[0].role; | |
1773 | if (cbctl->data.qports.state) | |
1774 | *cbctl->data.qports.state = qports->entry[0].state; | |
1775 | } | |
1776 | return 0; | |
1777 | } | |
1778 | ||
1779 | /** | |
1780 | * qeth_bridgeport_query_ports() - query local bridgeport status. | |
1781 | * @card: qeth_card structure pointer. | |
1782 | * @role: Role of the port: 0-none, 1-primary, 2-secondary. | |
1783 | * @state: State of the port: 0-inactive, 1-standby, 2-active. | |
1784 | * | |
1785 | * Returns negative errno-compatible error indication or 0 on success. | |
1786 | * | |
1787 | * 'role' and 'state' are not updated in case of hardware operation failure. | |
1788 | */ | |
1789 | int qeth_bridgeport_query_ports(struct qeth_card *card, | |
1790 | enum qeth_sbp_roles *role, enum qeth_sbp_states *state) | |
1791 | { | |
1792 | int rc = 0; | |
1793 | struct qeth_cmd_buffer *iob; | |
1794 | struct qeth_ipa_cmd *cmd; | |
1795 | struct _qeth_sbp_cbctl cbctl = { | |
1796 | .data = { | |
1797 | .qports = { | |
1798 | .role = role, | |
1799 | .state = state, | |
1800 | }, | |
1801 | }, | |
1802 | }; | |
1803 | ||
1804 | QETH_CARD_TEXT(card, 2, "brqports"); | |
1805 | if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) | |
1806 | return -EOPNOTSUPP; | |
1807 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0); | |
1808 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1809 | cmd->data.sbp.hdr.cmdlength = | |
1810 | sizeof(struct qeth_ipacmd_sbp_hdr); | |
1811 | cmd->data.sbp.hdr.command_code = | |
1812 | IPA_SBP_QUERY_BRIDGE_PORTS; | |
1813 | cmd->data.sbp.hdr.used_total = 1; | |
1814 | cmd->data.sbp.hdr.seq_no = 1; | |
1815 | rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, | |
1816 | (void *)&cbctl); | |
1817 | if (rc) | |
1818 | return rc; | |
1819 | rc = qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); | |
1820 | if (rc) | |
1821 | return rc; | |
1822 | return 0; | |
1823 | } | |
1824 | EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports); | |
1825 | ||
1826 | static int qeth_bridgeport_set_cb(struct qeth_card *card, | |
1827 | struct qeth_reply *reply, unsigned long data) | |
1828 | { | |
1829 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; | |
1830 | struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; | |
1831 | QETH_CARD_TEXT(card, 2, "brsetrcb"); | |
1832 | cbctl->ipa_rc = cmd->hdr.return_code; | |
1833 | cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; | |
1834 | return 0; | |
1835 | } | |
1836 | ||
1837 | /** | |
1838 | * qeth_bridgeport_setrole() - Assign primary role to the port. | |
1839 | * @card: qeth_card structure pointer. | |
1840 | * @role: Role to assign. | |
1841 | * | |
1842 | * Returns negative errno-compatible error indication or 0 on success. | |
1843 | */ | |
1844 | int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) | |
1845 | { | |
1846 | int rc = 0; | |
1847 | int cmdlength; | |
1848 | struct qeth_cmd_buffer *iob; | |
1849 | struct qeth_ipa_cmd *cmd; | |
1850 | struct _qeth_sbp_cbctl cbctl; | |
1851 | enum qeth_ipa_sbp_cmd setcmd; | |
1852 | ||
1853 | QETH_CARD_TEXT(card, 2, "brsetrol"); | |
1854 | switch (role) { | |
1855 | case QETH_SBP_ROLE_NONE: | |
1856 | setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; | |
1857 | cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1858 | sizeof(struct qeth_sbp_reset_role); | |
1859 | break; | |
1860 | case QETH_SBP_ROLE_PRIMARY: | |
1861 | setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; | |
1862 | cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1863 | sizeof(struct qeth_sbp_set_primary); | |
1864 | break; | |
1865 | case QETH_SBP_ROLE_SECONDARY: | |
1866 | setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; | |
1867 | cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1868 | sizeof(struct qeth_sbp_set_secondary); | |
1869 | break; | |
1870 | default: | |
1871 | return -EINVAL; | |
1872 | } | |
1873 | if (!(card->options.sbp.supported_funcs & setcmd)) | |
1874 | return -EOPNOTSUPP; | |
1875 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETBRIDGEPORT, 0); | |
1876 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1877 | cmd->data.sbp.hdr.cmdlength = cmdlength; | |
1878 | cmd->data.sbp.hdr.command_code = setcmd; | |
1879 | cmd->data.sbp.hdr.used_total = 1; | |
1880 | cmd->data.sbp.hdr.seq_no = 1; | |
1881 | rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, | |
1882 | (void *)&cbctl); | |
1883 | if (rc) | |
1884 | return rc; | |
1885 | rc = qeth_bridgeport_makerc(card, &cbctl, setcmd); | |
1886 | return rc; | |
1887 | } | |
1888 | ||
9f48b9db EC |
1889 | /** |
1890 | * qeth_anset_makerc() - derive "traditional" error from hardware codes. | |
1891 | * @card: qeth_card structure pointer, for debug messages. | |
1892 | * | |
1893 | * Returns negative errno-compatible error indication or 0 on success. | |
1894 | */ | |
1895 | static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) | |
1896 | { | |
1897 | int rc; | |
1898 | ||
1899 | if (pnso_rc == 0) | |
1900 | switch (response) { | |
1901 | case 0x0001: | |
1902 | rc = 0; | |
1903 | break; | |
1904 | case 0x0004: | |
1905 | case 0x0100: | |
1906 | case 0x0106: | |
1907 | rc = -ENOSYS; | |
1908 | dev_err(&card->gdev->dev, | |
1909 | "Setting address notification failed\n"); | |
1910 | break; | |
1911 | case 0x0107: | |
1912 | rc = -EAGAIN; | |
1913 | break; | |
1914 | default: | |
1915 | rc = -EIO; | |
1916 | } | |
1917 | else | |
1918 | rc = -EIO; | |
1919 | ||
1920 | if (rc) { | |
1921 | QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); | |
1922 | QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); | |
1923 | } | |
1924 | return rc; | |
1925 | } | |
1926 | ||
1927 | static void qeth_bridgeport_an_set_cb(void *priv, | |
1928 | enum qdio_brinfo_entry_type type, void *entry) | |
1929 | { | |
1930 | struct qeth_card *card = (struct qeth_card *)priv; | |
1931 | struct qdio_brinfo_entry_l2 *l2entry; | |
1932 | u8 code; | |
1933 | ||
1934 | if (type != l2_addr_lnid) { | |
1935 | WARN_ON_ONCE(1); | |
1936 | return; | |
1937 | } | |
1938 | ||
1939 | l2entry = (struct qdio_brinfo_entry_l2 *)entry; | |
1940 | code = IPA_ADDR_CHANGE_CODE_MACADDR; | |
1941 | if (l2entry->addr_lnid.lnid) | |
1942 | code |= IPA_ADDR_CHANGE_CODE_VLANID; | |
1943 | qeth_bridge_emit_host_event(card, anev_reg_unreg, code, | |
1944 | (struct net_if_token *)&l2entry->nit, | |
1945 | (struct mac_addr_lnid *)&l2entry->addr_lnid); | |
1946 | } | |
1947 | ||
1948 | /** | |
1949 | * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification | |
1950 | * @card: qeth_card structure pointer. | |
1951 | * @enable: 0 - disable, non-zero - enable notifications | |
1952 | * | |
1953 | * Returns negative errno-compatible error indication or 0 on success. | |
1954 | * | |
1955 | * On enable, emits a series of address notifications udev events for all | |
1956 | * currently registered hosts. | |
1957 | */ | |
1958 | int qeth_bridgeport_an_set(struct qeth_card *card, int enable) | |
1959 | { | |
1960 | int rc; | |
1961 | u16 response; | |
1962 | struct ccw_device *ddev; | |
1963 | struct subchannel_id schid; | |
1964 | ||
1965 | if (!card) | |
1966 | return -EINVAL; | |
1967 | if (!card->options.sbp.supported_funcs) | |
1968 | return -EOPNOTSUPP; | |
1969 | ddev = CARD_DDEV(card); | |
1970 | ccw_device_get_schid(ddev, &schid); | |
1971 | ||
1972 | if (enable) { | |
1973 | qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); | |
1974 | rc = qdio_pnso_brinfo(schid, 1, &response, | |
1975 | qeth_bridgeport_an_set_cb, card); | |
1976 | } else | |
1977 | rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); | |
1978 | return qeth_anset_makerc(card, rc, response); | |
1979 | } | |
1980 | EXPORT_SYMBOL_GPL(qeth_bridgeport_an_set); | |
1981 | ||
4a71df50 FB |
1982 | module_init(qeth_l2_init); |
1983 | module_exit(qeth_l2_exit); | |
1984 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
1985 | MODULE_DESCRIPTION("qeth layer 2 discipline"); | |
1986 | MODULE_LICENSE("GPL"); |