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Commit | Line | Data |
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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 *, | |
efbbc1d5 | 30 | enum qeth_ipa_cmds); |
4a71df50 FB |
31 | static void qeth_l2_set_multicast_list(struct net_device *); |
32 | static int qeth_l2_recover(void *); | |
c044dc21 EC |
33 | static void qeth_bridgeport_query_support(struct qeth_card *card); |
34 | static void qeth_bridge_state_change(struct qeth_card *card, | |
35 | struct qeth_ipa_cmd *cmd); | |
36 | static void qeth_bridge_host_event(struct qeth_card *card, | |
37 | struct qeth_ipa_cmd *cmd); | |
4a71df50 FB |
38 | |
39 | static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
40 | { | |
509e2562 | 41 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
42 | struct mii_ioctl_data *mii_data; |
43 | int rc = 0; | |
44 | ||
45 | if (!card) | |
46 | return -ENODEV; | |
47 | ||
c3521254 | 48 | if (!qeth_card_hw_is_reachable(card)) |
4a71df50 FB |
49 | return -ENODEV; |
50 | ||
51 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
52 | return -EPERM; | |
53 | ||
54 | switch (cmd) { | |
55 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
56 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
57 | break; | |
58 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
59 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
60 | card->info.type == QETH_CARD_TYPE_OSM || | |
61 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
62 | !card->info.guestlan) |
63 | return 1; | |
64 | return 0; | |
65 | break; | |
66 | case SIOCGMIIPHY: | |
67 | mii_data = if_mii(rq); | |
68 | mii_data->phy_id = 0; | |
69 | break; | |
70 | case SIOCGMIIREG: | |
71 | mii_data = if_mii(rq); | |
72 | if (mii_data->phy_id != 0) | |
73 | rc = -EINVAL; | |
74 | else | |
75 | mii_data->val_out = qeth_mdio_read(dev, | |
76 | mii_data->phy_id, mii_data->reg_num); | |
77 | break; | |
c3ab96f3 FB |
78 | case SIOC_QETH_QUERY_OAT: |
79 | rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); | |
80 | break; | |
4a71df50 FB |
81 | default: |
82 | rc = -EOPNOTSUPP; | |
83 | } | |
84 | if (rc) | |
847a50fd | 85 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
86 | return rc; |
87 | } | |
88 | ||
89 | static int qeth_l2_verify_dev(struct net_device *dev) | |
90 | { | |
91 | struct qeth_card *card; | |
92 | unsigned long flags; | |
93 | int rc = 0; | |
94 | ||
95 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
96 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
97 | if (card->dev == dev) { | |
98 | rc = QETH_REAL_CARD; | |
99 | break; | |
100 | } | |
101 | } | |
102 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
103 | ||
104 | return rc; | |
105 | } | |
106 | ||
107 | static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no) | |
108 | { | |
109 | struct qeth_card *card; | |
110 | struct net_device *ndev; | |
f06f6f32 | 111 | __u16 temp_dev_no; |
4a71df50 | 112 | unsigned long flags; |
f06f6f32 | 113 | struct ccw_dev_id read_devid; |
4a71df50 FB |
114 | |
115 | ndev = NULL; | |
116 | memcpy(&temp_dev_no, read_dev_no, 2); | |
117 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
118 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
f06f6f32 CH |
119 | ccw_device_get_id(CARD_RDEV(card), &read_devid); |
120 | if (read_devid.devno == temp_dev_no) { | |
4a71df50 FB |
121 | ndev = card->dev; |
122 | break; | |
123 | } | |
124 | } | |
125 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
126 | return ndev; | |
127 | } | |
128 | ||
efbbc1d5 | 129 | static int qeth_setdel_makerc(struct qeth_card *card, int retcode) |
4a71df50 | 130 | { |
efbbc1d5 | 131 | int rc; |
4a71df50 | 132 | |
efbbc1d5 | 133 | if (retcode) |
1aec42bc | 134 | QETH_CARD_TEXT_(card, 2, "err%04x", retcode); |
efbbc1d5 EC |
135 | switch (retcode) { |
136 | case IPA_RC_SUCCESS: | |
137 | rc = 0; | |
138 | break; | |
139 | case IPA_RC_L2_UNSUPPORTED_CMD: | |
ffb95251 | 140 | rc = -EOPNOTSUPP; |
efbbc1d5 EC |
141 | break; |
142 | case IPA_RC_L2_ADDR_TABLE_FULL: | |
143 | rc = -ENOSPC; | |
144 | break; | |
145 | case IPA_RC_L2_DUP_MAC: | |
146 | case IPA_RC_L2_DUP_LAYER3_MAC: | |
147 | rc = -EEXIST; | |
148 | break; | |
149 | case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP: | |
150 | case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP: | |
151 | rc = -EPERM; | |
152 | break; | |
153 | case IPA_RC_L2_MAC_NOT_FOUND: | |
154 | rc = -ENOENT; | |
155 | break; | |
1aec42bc TR |
156 | case -ENOMEM: |
157 | rc = -ENOMEM; | |
158 | break; | |
efbbc1d5 EC |
159 | default: |
160 | rc = -EIO; | |
161 | break; | |
4a71df50 | 162 | } |
efbbc1d5 | 163 | return rc; |
4a71df50 FB |
164 | } |
165 | ||
166 | static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac) | |
167 | { | |
efbbc1d5 | 168 | int rc; |
4a71df50 | 169 | |
efbbc1d5 EC |
170 | QETH_CARD_TEXT(card, 2, "L2Sgmac"); |
171 | rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac, | |
172 | IPA_CMD_SETGMAC)); | |
173 | if (rc == -EEXIST) | |
174 | QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s\n", | |
175 | mac, QETH_CARD_IFNAME(card)); | |
176 | else if (rc) | |
177 | QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %d\n", | |
178 | mac, QETH_CARD_IFNAME(card), rc); | |
179 | return rc; | |
4a71df50 FB |
180 | } |
181 | ||
182 | static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac) | |
183 | { | |
efbbc1d5 EC |
184 | int rc; |
185 | ||
847a50fd | 186 | QETH_CARD_TEXT(card, 2, "L2Dgmac"); |
efbbc1d5 EC |
187 | rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac, |
188 | IPA_CMD_DELGMAC)); | |
189 | if (rc) | |
190 | QETH_DBF_MESSAGE(2, | |
191 | "Could not delete group MAC %pM on %s: %d\n", | |
192 | mac, QETH_CARD_IFNAME(card), rc); | |
193 | return rc; | |
4a71df50 FB |
194 | } |
195 | ||
7db2266a | 196 | static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac, int vmac) |
4a71df50 FB |
197 | { |
198 | struct qeth_mc_mac *mc; | |
7db2266a | 199 | int rc; |
4a71df50 FB |
200 | |
201 | mc = kmalloc(sizeof(struct qeth_mc_mac), GFP_ATOMIC); | |
202 | ||
14cc21b6 | 203 | if (!mc) |
4a71df50 | 204 | return; |
4a71df50 FB |
205 | |
206 | memcpy(mc->mc_addr, mac, OSA_ADDR_LEN); | |
207 | mc->mc_addrlen = OSA_ADDR_LEN; | |
7db2266a FB |
208 | mc->is_vmac = vmac; |
209 | ||
210 | if (vmac) { | |
efbbc1d5 EC |
211 | rc = qeth_setdel_makerc(card, |
212 | qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC)); | |
7db2266a | 213 | } else { |
efbbc1d5 EC |
214 | rc = qeth_setdel_makerc(card, |
215 | qeth_l2_send_setgroupmac(card, mac)); | |
7db2266a | 216 | } |
4a71df50 | 217 | |
7db2266a | 218 | if (!rc) |
4a71df50 FB |
219 | list_add_tail(&mc->list, &card->mc_list); |
220 | else | |
221 | kfree(mc); | |
222 | } | |
223 | ||
70919e23 | 224 | static void qeth_l2_del_all_mc(struct qeth_card *card, int del) |
4a71df50 FB |
225 | { |
226 | struct qeth_mc_mac *mc, *tmp; | |
227 | ||
228 | spin_lock_bh(&card->mclock); | |
229 | list_for_each_entry_safe(mc, tmp, &card->mc_list, list) { | |
70919e23 UB |
230 | if (del) { |
231 | if (mc->is_vmac) | |
232 | qeth_l2_send_setdelmac(card, mc->mc_addr, | |
efbbc1d5 | 233 | IPA_CMD_DELVMAC); |
70919e23 UB |
234 | else |
235 | qeth_l2_send_delgroupmac(card, mc->mc_addr); | |
236 | } | |
4a71df50 FB |
237 | list_del(&mc->list); |
238 | kfree(mc); | |
239 | } | |
240 | spin_unlock_bh(&card->mclock); | |
241 | } | |
242 | ||
ce73e10e KDW |
243 | static inline int qeth_l2_get_cast_type(struct qeth_card *card, |
244 | struct sk_buff *skb) | |
4a71df50 | 245 | { |
ce73e10e KDW |
246 | if (card->info.type == QETH_CARD_TYPE_OSN) |
247 | return RTN_UNSPEC; | |
248 | if (is_broadcast_ether_addr(skb->data)) | |
249 | return RTN_BROADCAST; | |
250 | if (is_multicast_ether_addr(skb->data)) | |
251 | return RTN_MULTICAST; | |
252 | return RTN_UNSPEC; | |
4a71df50 FB |
253 | } |
254 | ||
4d7def2a TR |
255 | static inline void qeth_l2_hdr_csum(struct qeth_card *card, |
256 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
257 | { | |
258 | struct iphdr *iph = ip_hdr(skb); | |
259 | ||
260 | /* tcph->check contains already the pseudo hdr checksum | |
261 | * so just set the header flags | |
262 | */ | |
263 | if (iph->protocol == IPPROTO_UDP) | |
264 | hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_UDP; | |
265 | hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_CSUM_TRANSP_REQ | | |
266 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
267 | iph->check = 0; | |
268 | if (card->options.performance_stats) | |
269 | card->perf_stats.tx_csum++; | |
270 | } | |
271 | ||
4a71df50 | 272 | static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
43934077 | 273 | struct sk_buff *skb, int cast_type) |
4a71df50 | 274 | { |
683d718a | 275 | struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb); |
4a71df50 FB |
276 | |
277 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
278 | hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; | |
279 | ||
280 | /* set byte byte 3 to casting flags */ | |
281 | if (cast_type == RTN_MULTICAST) | |
282 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; | |
283 | else if (cast_type == RTN_BROADCAST) | |
284 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; | |
285 | else | |
ce73e10e | 286 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; |
4a71df50 FB |
287 | |
288 | hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; | |
289 | /* VSWITCH relies on the VLAN | |
290 | * information to be present in | |
291 | * the QDIO header */ | |
292 | if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) { | |
293 | hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN; | |
294 | hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI); | |
295 | } | |
296 | } | |
297 | ||
298 | static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card, | |
299 | struct qeth_reply *reply, unsigned long data) | |
300 | { | |
301 | struct qeth_ipa_cmd *cmd; | |
302 | ||
847a50fd | 303 | QETH_CARD_TEXT(card, 2, "L2sdvcb"); |
4a71df50 FB |
304 | cmd = (struct qeth_ipa_cmd *) data; |
305 | if (cmd->hdr.return_code) { | |
14cc21b6 | 306 | QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x. " |
4a71df50 FB |
307 | "Continuing\n", cmd->data.setdelvlan.vlan_id, |
308 | QETH_CARD_IFNAME(card), cmd->hdr.return_code); | |
847a50fd CO |
309 | QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command); |
310 | QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); | |
4a71df50 FB |
311 | } |
312 | return 0; | |
313 | } | |
314 | ||
315 | static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i, | |
316 | enum qeth_ipa_cmds ipacmd) | |
317 | { | |
318 | struct qeth_ipa_cmd *cmd; | |
319 | struct qeth_cmd_buffer *iob; | |
320 | ||
847a50fd | 321 | QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd); |
4a71df50 | 322 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); |
1aec42bc TR |
323 | if (!iob) |
324 | return -ENOMEM; | |
4a71df50 FB |
325 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
326 | cmd->data.setdelvlan.vlan_id = i; | |
327 | return qeth_send_ipa_cmd(card, iob, | |
328 | qeth_l2_send_setdelvlan_cb, NULL); | |
329 | } | |
330 | ||
70919e23 | 331 | static void qeth_l2_process_vlans(struct qeth_card *card) |
4a71df50 FB |
332 | { |
333 | struct qeth_vlan_vid *id; | |
847a50fd | 334 | QETH_CARD_TEXT(card, 3, "L2prcvln"); |
4a71df50 FB |
335 | spin_lock_bh(&card->vlanlock); |
336 | list_for_each_entry(id, &card->vid_list, list) { | |
70919e23 | 337 | qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN); |
4a71df50 FB |
338 | } |
339 | spin_unlock_bh(&card->vlanlock); | |
340 | } | |
341 | ||
80d5c368 PM |
342 | static int qeth_l2_vlan_rx_add_vid(struct net_device *dev, |
343 | __be16 proto, u16 vid) | |
4a71df50 | 344 | { |
509e2562 | 345 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 346 | struct qeth_vlan_vid *id; |
1aec42bc | 347 | int rc; |
4a71df50 | 348 | |
847a50fd | 349 | QETH_CARD_TEXT_(card, 4, "aid:%d", vid); |
10651db7 | 350 | if (!vid) |
8e586137 | 351 | return 0; |
5113fec0 | 352 | if (card->info.type == QETH_CARD_TYPE_OSM) { |
847a50fd | 353 | QETH_CARD_TEXT(card, 3, "aidOSM"); |
8e586137 | 354 | return 0; |
5113fec0 | 355 | } |
8e98ac48 | 356 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 357 | QETH_CARD_TEXT(card, 3, "aidREC"); |
8e586137 | 358 | return 0; |
8e98ac48 | 359 | } |
4a71df50 FB |
360 | id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC); |
361 | if (id) { | |
362 | id->vid = vid; | |
1aec42bc TR |
363 | rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); |
364 | if (rc) { | |
365 | kfree(id); | |
366 | return rc; | |
367 | } | |
4a71df50 FB |
368 | spin_lock_bh(&card->vlanlock); |
369 | list_add_tail(&id->list, &card->vid_list); | |
370 | spin_unlock_bh(&card->vlanlock); | |
8e586137 JP |
371 | } else { |
372 | return -ENOMEM; | |
4a71df50 | 373 | } |
8e586137 | 374 | return 0; |
4a71df50 FB |
375 | } |
376 | ||
80d5c368 PM |
377 | static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev, |
378 | __be16 proto, u16 vid) | |
4a71df50 FB |
379 | { |
380 | struct qeth_vlan_vid *id, *tmpid = NULL; | |
509e2562 | 381 | struct qeth_card *card = dev->ml_priv; |
1aec42bc | 382 | int rc = 0; |
4a71df50 | 383 | |
847a50fd | 384 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
5113fec0 | 385 | if (card->info.type == QETH_CARD_TYPE_OSM) { |
847a50fd | 386 | QETH_CARD_TEXT(card, 3, "kidOSM"); |
8e586137 | 387 | return 0; |
5113fec0 | 388 | } |
8e98ac48 | 389 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 390 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e586137 | 391 | return 0; |
8e98ac48 | 392 | } |
4a71df50 FB |
393 | spin_lock_bh(&card->vlanlock); |
394 | list_for_each_entry(id, &card->vid_list, list) { | |
395 | if (id->vid == vid) { | |
396 | list_del(&id->list); | |
397 | tmpid = id; | |
398 | break; | |
399 | } | |
400 | } | |
401 | spin_unlock_bh(&card->vlanlock); | |
402 | if (tmpid) { | |
1aec42bc | 403 | rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); |
4a71df50 FB |
404 | kfree(tmpid); |
405 | } | |
406 | qeth_l2_set_multicast_list(card->dev); | |
1aec42bc | 407 | return rc; |
4a71df50 FB |
408 | } |
409 | ||
4d7def2a TR |
410 | static netdev_features_t qeth_l2_fix_features(struct net_device *dev, |
411 | netdev_features_t features) | |
412 | { | |
413 | struct qeth_card *card = dev->ml_priv; | |
414 | ||
415 | QETH_DBF_TEXT(SETUP, 2, "fixfeat"); | |
416 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) | |
417 | features &= ~NETIF_F_IP_CSUM; | |
418 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
419 | features &= ~NETIF_F_RXCSUM; | |
420 | QETH_DBF_HEX(SETUP, 2, &features, sizeof(features)); | |
421 | return features; | |
422 | } | |
423 | ||
424 | static int qeth_l2_set_features(struct net_device *dev, | |
425 | netdev_features_t features) | |
426 | { | |
427 | struct qeth_card *card = dev->ml_priv; | |
428 | netdev_features_t changed = dev->features ^ features; | |
429 | ||
430 | QETH_DBF_TEXT(SETUP, 2, "setfeat"); | |
431 | QETH_DBF_HEX(SETUP, 2, &features, sizeof(features)); | |
432 | ||
433 | if (card->state == CARD_STATE_DOWN || | |
434 | card->state == CARD_STATE_RECOVER) | |
435 | return 0; | |
436 | ||
437 | if (!(changed & NETIF_F_RXCSUM)) | |
438 | return 0; | |
439 | return qeth_set_rx_csum(card, features & NETIF_F_RXCSUM ? 1 : 0); | |
440 | } | |
441 | ||
b2f4de8b | 442 | static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode) |
4a71df50 | 443 | { |
d11ba0c4 PT |
444 | QETH_DBF_TEXT(SETUP , 2, "stopcard"); |
445 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
446 | |
447 | qeth_set_allowed_threads(card, 0, 1); | |
4a71df50 FB |
448 | if (card->read.state == CH_STATE_UP && |
449 | card->write.state == CH_STATE_UP && | |
450 | (card->state == CARD_STATE_UP)) { | |
451 | if (recovery_mode && | |
452 | card->info.type != QETH_CARD_TYPE_OSN) { | |
453 | qeth_l2_stop(card->dev); | |
454 | } else { | |
455 | rtnl_lock(); | |
456 | dev_close(card->dev); | |
457 | rtnl_unlock(); | |
458 | } | |
70919e23 | 459 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; |
4a71df50 FB |
460 | card->state = CARD_STATE_SOFTSETUP; |
461 | } | |
462 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 463 | qeth_l2_del_all_mc(card, 0); |
4a71df50 FB |
464 | qeth_clear_ipacmd_list(card); |
465 | card->state = CARD_STATE_HARDSETUP; | |
466 | } | |
467 | if (card->state == CARD_STATE_HARDSETUP) { | |
468 | qeth_qdio_clear_card(card, 0); | |
469 | qeth_clear_qdio_buffers(card); | |
470 | qeth_clear_working_pool_list(card); | |
471 | card->state = CARD_STATE_DOWN; | |
472 | } | |
473 | if (card->state == CARD_STATE_DOWN) { | |
474 | qeth_clear_cmd_buffers(&card->read); | |
475 | qeth_clear_cmd_buffers(&card->write); | |
476 | } | |
4a71df50 FB |
477 | } |
478 | ||
a1c3ed4c FB |
479 | static int qeth_l2_process_inbound_buffer(struct qeth_card *card, |
480 | int budget, int *done) | |
4a71df50 | 481 | { |
a1c3ed4c | 482 | int work_done = 0; |
4a71df50 FB |
483 | struct sk_buff *skb; |
484 | struct qeth_hdr *hdr; | |
4a71df50 FB |
485 | unsigned int len; |
486 | ||
a1c3ed4c | 487 | *done = 0; |
18af5c17 | 488 | WARN_ON_ONCE(!budget); |
a1c3ed4c FB |
489 | while (budget) { |
490 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 491 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
492 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
493 | if (!skb) { | |
494 | *done = 1; | |
495 | break; | |
4a71df50 | 496 | } |
a1c3ed4c | 497 | skb->dev = card->dev; |
4a71df50 FB |
498 | switch (hdr->hdr.l2.id) { |
499 | case QETH_HEADER_TYPE_LAYER2: | |
500 | skb->pkt_type = PACKET_HOST; | |
501 | skb->protocol = eth_type_trans(skb, skb->dev); | |
4d7def2a TR |
502 | if ((card->dev->features & NETIF_F_RXCSUM) |
503 | && ((hdr->hdr.l2.flags[1] & | |
504 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
505 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
506 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
507 | QETH_HDR_EXT_CSUM_TRANSP_REQ))) | |
508 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
509 | else | |
510 | skb->ip_summed = CHECKSUM_NONE; | |
12883725 UB |
511 | if (skb->protocol == htons(ETH_P_802_2)) |
512 | *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; | |
4a71df50 | 513 | len = skb->len; |
9abfa8cb | 514 | napi_gro_receive(&card->napi, skb); |
4a71df50 FB |
515 | break; |
516 | case QETH_HEADER_TYPE_OSN: | |
2d488c2f UB |
517 | if (card->info.type == QETH_CARD_TYPE_OSN) { |
518 | skb_push(skb, sizeof(struct qeth_hdr)); | |
519 | skb_copy_to_linear_data(skb, hdr, | |
4a71df50 | 520 | sizeof(struct qeth_hdr)); |
2d488c2f UB |
521 | len = skb->len; |
522 | card->osn_info.data_cb(skb); | |
523 | break; | |
524 | } | |
525 | /* else unknown */ | |
4a71df50 FB |
526 | default: |
527 | dev_kfree_skb_any(skb); | |
847a50fd | 528 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 529 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
530 | continue; |
531 | } | |
a1c3ed4c FB |
532 | work_done++; |
533 | budget--; | |
4a71df50 FB |
534 | card->stats.rx_packets++; |
535 | card->stats.rx_bytes += len; | |
536 | } | |
a1c3ed4c FB |
537 | return work_done; |
538 | } | |
539 | ||
540 | static int qeth_l2_poll(struct napi_struct *napi, int budget) | |
541 | { | |
542 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
543 | int work_done = 0; | |
544 | struct qeth_qdio_buffer *buffer; | |
545 | int done; | |
546 | int new_budget = budget; | |
547 | ||
548 | if (card->options.performance_stats) { | |
549 | card->perf_stats.inbound_cnt++; | |
550 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
551 | } | |
552 | ||
553 | while (1) { | |
554 | if (!card->rx.b_count) { | |
555 | card->rx.qdio_err = 0; | |
556 | card->rx.b_count = qdio_get_next_buffers( | |
557 | card->data.ccwdev, 0, &card->rx.b_index, | |
558 | &card->rx.qdio_err); | |
559 | if (card->rx.b_count <= 0) { | |
560 | card->rx.b_count = 0; | |
561 | break; | |
562 | } | |
563 | card->rx.b_element = | |
564 | &card->qdio.in_q->bufs[card->rx.b_index] | |
565 | .buffer->element[0]; | |
566 | card->rx.e_offset = 0; | |
567 | } | |
568 | ||
569 | while (card->rx.b_count) { | |
570 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
571 | if (!(card->rx.qdio_err && | |
572 | qeth_check_qdio_errors(card, buffer->buffer, | |
573 | card->rx.qdio_err, "qinerr"))) | |
574 | work_done += qeth_l2_process_inbound_buffer( | |
575 | card, new_budget, &done); | |
576 | else | |
577 | done = 1; | |
578 | ||
579 | if (done) { | |
580 | if (card->options.performance_stats) | |
581 | card->perf_stats.bufs_rec++; | |
582 | qeth_put_buffer_pool_entry(card, | |
583 | buffer->pool_entry); | |
584 | qeth_queue_input_buffer(card, card->rx.b_index); | |
585 | card->rx.b_count--; | |
586 | if (card->rx.b_count) { | |
587 | card->rx.b_index = | |
588 | (card->rx.b_index + 1) % | |
589 | QDIO_MAX_BUFFERS_PER_Q; | |
590 | card->rx.b_element = | |
591 | &card->qdio.in_q | |
592 | ->bufs[card->rx.b_index] | |
593 | .buffer->element[0]; | |
594 | card->rx.e_offset = 0; | |
595 | } | |
596 | } | |
597 | ||
598 | if (work_done >= budget) | |
599 | goto out; | |
600 | else | |
601 | new_budget = budget - work_done; | |
602 | } | |
603 | } | |
604 | ||
605 | napi_complete(napi); | |
606 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
607 | napi_schedule(&card->napi); | |
608 | out: | |
609 | if (card->options.performance_stats) | |
610 | card->perf_stats.inbound_time += qeth_get_micros() - | |
611 | card->perf_stats.inbound_start_time; | |
612 | return work_done; | |
4a71df50 FB |
613 | } |
614 | ||
615 | static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac, | |
efbbc1d5 | 616 | enum qeth_ipa_cmds ipacmd) |
4a71df50 FB |
617 | { |
618 | struct qeth_ipa_cmd *cmd; | |
619 | struct qeth_cmd_buffer *iob; | |
620 | ||
847a50fd | 621 | QETH_CARD_TEXT(card, 2, "L2sdmac"); |
4a71df50 | 622 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); |
1aec42bc TR |
623 | if (!iob) |
624 | return -ENOMEM; | |
4a71df50 FB |
625 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
626 | cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; | |
627 | memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); | |
efbbc1d5 | 628 | return qeth_send_ipa_cmd(card, iob, NULL, NULL); |
4a71df50 FB |
629 | } |
630 | ||
efbbc1d5 | 631 | static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) |
4a71df50 | 632 | { |
efbbc1d5 | 633 | int rc; |
4a71df50 | 634 | |
efbbc1d5 EC |
635 | QETH_CARD_TEXT(card, 2, "L2Setmac"); |
636 | rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac, | |
637 | IPA_CMD_SETVMAC)); | |
638 | if (rc == 0) { | |
639 | card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; | |
640 | memcpy(card->dev->dev_addr, mac, OSA_ADDR_LEN); | |
641 | dev_info(&card->gdev->dev, | |
642 | "MAC address %pM successfully registered on device %s\n", | |
643 | card->dev->dev_addr, card->dev->name); | |
644 | } else { | |
4a71df50 | 645 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; |
efbbc1d5 EC |
646 | switch (rc) { |
647 | case -EEXIST: | |
0666eb06 | 648 | dev_warn(&card->gdev->dev, |
efbbc1d5 | 649 | "MAC address %pM already exists\n", mac); |
0666eb06 | 650 | break; |
efbbc1d5 | 651 | case -EPERM: |
0666eb06 | 652 | dev_warn(&card->gdev->dev, |
efbbc1d5 | 653 | "MAC address %pM is not authorized\n", mac); |
0666eb06 UB |
654 | break; |
655 | } | |
4a71df50 | 656 | } |
efbbc1d5 | 657 | return rc; |
4a71df50 FB |
658 | } |
659 | ||
660 | static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) | |
661 | { | |
efbbc1d5 EC |
662 | int rc; |
663 | ||
847a50fd | 664 | QETH_CARD_TEXT(card, 2, "L2Delmac"); |
4a71df50 FB |
665 | if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) |
666 | return 0; | |
efbbc1d5 EC |
667 | rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac, |
668 | IPA_CMD_DELVMAC)); | |
669 | if (rc == 0) | |
670 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; | |
671 | return rc; | |
4a71df50 FB |
672 | } |
673 | ||
674 | static int qeth_l2_request_initial_mac(struct qeth_card *card) | |
675 | { | |
676 | int rc = 0; | |
677 | char vendor_pre[] = {0x02, 0x00, 0x00}; | |
678 | ||
d11ba0c4 PT |
679 | QETH_DBF_TEXT(SETUP, 2, "doL2init"); |
680 | QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); | |
4a71df50 | 681 | |
a134884a SR |
682 | if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) { |
683 | rc = qeth_query_setadapterparms(card); | |
684 | if (rc) { | |
685 | QETH_DBF_MESSAGE(2, "could not query adapter " | |
686 | "parameters on device %s: x%x\n", | |
687 | CARD_BUS_ID(card), rc); | |
688 | } | |
4a71df50 FB |
689 | } |
690 | ||
5113fec0 UB |
691 | if (card->info.type == QETH_CARD_TYPE_IQD || |
692 | card->info.type == QETH_CARD_TYPE_OSM || | |
693 | card->info.type == QETH_CARD_TYPE_OSX || | |
694 | card->info.guestlan) { | |
4a71df50 FB |
695 | rc = qeth_setadpparms_change_macaddr(card); |
696 | if (rc) { | |
14cc21b6 FB |
697 | QETH_DBF_MESSAGE(2, "couldn't get MAC address on " |
698 | "device %s: x%x\n", CARD_BUS_ID(card), rc); | |
1aec42bc | 699 | QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc); |
4a71df50 FB |
700 | return rc; |
701 | } | |
d11ba0c4 | 702 | QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN); |
4a71df50 | 703 | } else { |
1833611d | 704 | eth_random_addr(card->dev->dev_addr); |
4a71df50 FB |
705 | memcpy(card->dev->dev_addr, vendor_pre, 3); |
706 | } | |
707 | return 0; | |
708 | } | |
709 | ||
710 | static int qeth_l2_set_mac_address(struct net_device *dev, void *p) | |
711 | { | |
712 | struct sockaddr *addr = p; | |
509e2562 | 713 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
714 | int rc = 0; |
715 | ||
847a50fd | 716 | QETH_CARD_TEXT(card, 3, "setmac"); |
4a71df50 FB |
717 | |
718 | if (qeth_l2_verify_dev(dev) != QETH_REAL_CARD) { | |
847a50fd | 719 | QETH_CARD_TEXT(card, 3, "setmcINV"); |
4a71df50 FB |
720 | return -EOPNOTSUPP; |
721 | } | |
722 | ||
5113fec0 UB |
723 | if (card->info.type == QETH_CARD_TYPE_OSN || |
724 | card->info.type == QETH_CARD_TYPE_OSM || | |
725 | card->info.type == QETH_CARD_TYPE_OSX) { | |
847a50fd | 726 | QETH_CARD_TEXT(card, 3, "setmcTYP"); |
4a71df50 FB |
727 | return -EOPNOTSUPP; |
728 | } | |
847a50fd | 729 | QETH_CARD_HEX(card, 3, addr->sa_data, OSA_ADDR_LEN); |
8e98ac48 | 730 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 731 | QETH_CARD_TEXT(card, 3, "setmcREC"); |
8e98ac48 UB |
732 | return -ERESTARTSYS; |
733 | } | |
4a71df50 | 734 | rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); |
efbbc1d5 | 735 | if (!rc || (rc == -ENOENT)) |
4a71df50 | 736 | rc = qeth_l2_send_setmac(card, addr->sa_data); |
e0a8114c | 737 | return rc ? -EINVAL : 0; |
4a71df50 FB |
738 | } |
739 | ||
0db587b0 EC |
740 | static void qeth_promisc_to_bridge(struct qeth_card *card) |
741 | { | |
742 | struct net_device *dev = card->dev; | |
743 | enum qeth_ipa_promisc_modes promisc_mode; | |
744 | int role; | |
745 | int rc; | |
746 | ||
747 | QETH_CARD_TEXT(card, 3, "pmisc2br"); | |
748 | ||
749 | if (!card->options.sbp.reflect_promisc) | |
750 | return; | |
751 | promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON | |
752 | : SET_PROMISC_MODE_OFF; | |
753 | if (promisc_mode == card->info.promisc_mode) | |
754 | return; | |
755 | ||
756 | if (promisc_mode == SET_PROMISC_MODE_ON) { | |
757 | if (card->options.sbp.reflect_promisc_primary) | |
758 | role = QETH_SBP_ROLE_PRIMARY; | |
759 | else | |
760 | role = QETH_SBP_ROLE_SECONDARY; | |
761 | } else | |
762 | role = QETH_SBP_ROLE_NONE; | |
763 | ||
764 | rc = qeth_bridgeport_setrole(card, role); | |
765 | QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x", | |
766 | (promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc); | |
767 | if (!rc) { | |
768 | card->options.sbp.role = role; | |
769 | card->info.promisc_mode = promisc_mode; | |
770 | } | |
771 | } | |
772 | ||
4a71df50 FB |
773 | static void qeth_l2_set_multicast_list(struct net_device *dev) |
774 | { | |
509e2562 | 775 | struct qeth_card *card = dev->ml_priv; |
ccffad25 | 776 | struct netdev_hw_addr *ha; |
4a71df50 FB |
777 | |
778 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
779 | return ; | |
780 | ||
847a50fd | 781 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
782 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
783 | (card->state != CARD_STATE_UP)) | |
784 | return; | |
70919e23 | 785 | qeth_l2_del_all_mc(card, 1); |
4a71df50 | 786 | spin_lock_bh(&card->mclock); |
22bedad3 JP |
787 | netdev_for_each_mc_addr(ha, dev) |
788 | qeth_l2_add_mc(card, ha->addr, 0); | |
7db2266a | 789 | |
32e7bfc4 | 790 | netdev_for_each_uc_addr(ha, dev) |
ccffad25 | 791 | qeth_l2_add_mc(card, ha->addr, 1); |
7db2266a | 792 | |
4a71df50 | 793 | spin_unlock_bh(&card->mclock); |
0db587b0 EC |
794 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) |
795 | qeth_setadp_promisc_mode(card); | |
796 | else | |
797 | qeth_promisc_to_bridge(card); | |
4a71df50 FB |
798 | } |
799 | ||
800 | static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
801 | { | |
802 | int rc; | |
803 | struct qeth_hdr *hdr = NULL; | |
804 | int elements = 0; | |
509e2562 | 805 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 806 | struct sk_buff *new_skb = skb; |
ce73e10e | 807 | int cast_type = qeth_l2_get_cast_type(card, skb); |
290b8348 | 808 | struct qeth_qdio_out_q *queue; |
4a71df50 | 809 | int tx_bytes = skb->len; |
683d718a FB |
810 | int data_offset = -1; |
811 | int elements_needed = 0; | |
812 | int hd_len = 0; | |
4a71df50 | 813 | |
290b8348 SR |
814 | if (card->qdio.do_prio_queueing || (cast_type && |
815 | card->info.is_multicast_different)) | |
816 | queue = card->qdio.out_qs[qeth_get_priority_queue(card, skb, | |
817 | qeth_get_ip_version(skb), cast_type)]; | |
818 | else | |
819 | queue = card->qdio.out_qs[card->qdio.default_out_queue]; | |
820 | ||
4a71df50 FB |
821 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { |
822 | card->stats.tx_carrier_errors++; | |
823 | goto tx_drop; | |
824 | } | |
825 | ||
826 | if ((card->info.type == QETH_CARD_TYPE_OSN) && | |
827 | (skb->protocol == htons(ETH_P_IPV6))) | |
828 | goto tx_drop; | |
829 | ||
830 | if (card->options.performance_stats) { | |
831 | card->perf_stats.outbound_cnt++; | |
832 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
833 | } | |
834 | netif_stop_queue(dev); | |
835 | ||
4a71df50 FB |
836 | if (card->info.type == QETH_CARD_TYPE_OSN) |
837 | hdr = (struct qeth_hdr *)skb->data; | |
838 | else { | |
64ef8957 | 839 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
683d718a FB |
840 | new_skb = skb; |
841 | data_offset = ETH_HLEN; | |
842 | hd_len = ETH_HLEN; | |
843 | hdr = kmem_cache_alloc(qeth_core_header_cache, | |
844 | GFP_ATOMIC); | |
845 | if (!hdr) | |
846 | goto tx_drop; | |
847 | elements_needed++; | |
848 | skb_reset_mac_header(new_skb); | |
43934077 | 849 | qeth_l2_fill_header(card, hdr, new_skb, cast_type); |
683d718a FB |
850 | hdr->hdr.l2.pkt_length = new_skb->len; |
851 | memcpy(((char *)hdr) + sizeof(struct qeth_hdr), | |
852 | skb_mac_header(new_skb), ETH_HLEN); | |
853 | } else { | |
854 | /* create a clone with writeable headroom */ | |
855 | new_skb = skb_realloc_headroom(skb, | |
856 | sizeof(struct qeth_hdr)); | |
857 | if (!new_skb) | |
858 | goto tx_drop; | |
859 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
f90b744e | 860 | sizeof(struct qeth_hdr)); |
683d718a | 861 | skb_set_mac_header(new_skb, sizeof(struct qeth_hdr)); |
43934077 | 862 | qeth_l2_fill_header(card, hdr, new_skb, cast_type); |
4d7def2a TR |
863 | if (new_skb->ip_summed == CHECKSUM_PARTIAL) |
864 | qeth_l2_hdr_csum(card, hdr, new_skb); | |
683d718a | 865 | } |
4a71df50 FB |
866 | } |
867 | ||
065cc782 | 868 | elements = qeth_get_elements_no(card, new_skb, elements_needed); |
64ef8957 FB |
869 | if (!elements) { |
870 | if (data_offset >= 0) | |
871 | kmem_cache_free(qeth_core_header_cache, hdr); | |
872 | goto tx_drop; | |
f61a0d05 | 873 | } |
4a71df50 | 874 | |
51aa165c | 875 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
d4ae1f5e | 876 | if (qeth_hdr_chk_and_bounce(new_skb, &hdr, |
51aa165c FB |
877 | sizeof(struct qeth_hdr_layer2))) |
878 | goto tx_drop; | |
4a71df50 | 879 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 880 | elements); |
51aa165c | 881 | } else |
4a71df50 | 882 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 883 | elements, data_offset, hd_len); |
4a71df50 FB |
884 | if (!rc) { |
885 | card->stats.tx_packets++; | |
886 | card->stats.tx_bytes += tx_bytes; | |
887 | if (new_skb != skb) | |
888 | dev_kfree_skb_any(skb); | |
ec634fe3 | 889 | rc = NETDEV_TX_OK; |
4a71df50 | 890 | } else { |
683d718a FB |
891 | if (data_offset >= 0) |
892 | kmem_cache_free(qeth_core_header_cache, hdr); | |
893 | ||
4a71df50 FB |
894 | if (rc == -EBUSY) { |
895 | if (new_skb != skb) | |
896 | dev_kfree_skb_any(new_skb); | |
897 | return NETDEV_TX_BUSY; | |
898 | } else | |
899 | goto tx_drop; | |
900 | } | |
901 | ||
902 | netif_wake_queue(dev); | |
903 | if (card->options.performance_stats) | |
904 | card->perf_stats.outbound_time += qeth_get_micros() - | |
905 | card->perf_stats.outbound_start_time; | |
906 | return rc; | |
907 | ||
908 | tx_drop: | |
909 | card->stats.tx_dropped++; | |
910 | card->stats.tx_errors++; | |
911 | if ((new_skb != skb) && new_skb) | |
912 | dev_kfree_skb_any(new_skb); | |
913 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 914 | netif_wake_queue(dev); |
4a71df50 FB |
915 | return NETDEV_TX_OK; |
916 | } | |
917 | ||
39423440 | 918 | static int __qeth_l2_open(struct net_device *dev) |
4a71df50 | 919 | { |
509e2562 | 920 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 921 | int rc = 0; |
4a71df50 | 922 | |
847a50fd | 923 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
924 | if (card->state == CARD_STATE_UP) |
925 | return rc; | |
4a71df50 FB |
926 | if (card->state != CARD_STATE_SOFTSETUP) |
927 | return -ENODEV; | |
928 | ||
929 | if ((card->info.type != QETH_CARD_TYPE_OSN) && | |
930 | (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { | |
847a50fd | 931 | QETH_CARD_TEXT(card, 4, "nomacadr"); |
4a71df50 FB |
932 | return -EPERM; |
933 | } | |
934 | card->data.state = CH_STATE_UP; | |
935 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
936 | netif_start_queue(dev); |
937 | ||
a1c3ed4c FB |
938 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
939 | napi_enable(&card->napi); | |
940 | napi_schedule(&card->napi); | |
941 | } else | |
942 | rc = -EIO; | |
943 | return rc; | |
4a71df50 FB |
944 | } |
945 | ||
39423440 UB |
946 | static int qeth_l2_open(struct net_device *dev) |
947 | { | |
948 | struct qeth_card *card = dev->ml_priv; | |
949 | ||
950 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
951 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
952 | QETH_CARD_TEXT(card, 3, "openREC"); | |
953 | return -ERESTARTSYS; | |
954 | } | |
955 | return __qeth_l2_open(dev); | |
956 | } | |
957 | ||
4a71df50 FB |
958 | static int qeth_l2_stop(struct net_device *dev) |
959 | { | |
509e2562 | 960 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 961 | |
847a50fd | 962 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 963 | netif_tx_disable(dev); |
a1c3ed4c | 964 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 965 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
966 | napi_disable(&card->napi); |
967 | } | |
4a71df50 FB |
968 | return 0; |
969 | } | |
970 | ||
971 | static int qeth_l2_probe_device(struct ccwgroup_device *gdev) | |
972 | { | |
973 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
974 | ||
b4d72c08 | 975 | qeth_l2_create_device_attributes(&gdev->dev); |
4a71df50 FB |
976 | INIT_LIST_HEAD(&card->vid_list); |
977 | INIT_LIST_HEAD(&card->mc_list); | |
978 | card->options.layer2 = 1; | |
1da74b1c | 979 | card->info.hwtrap = 0; |
4a71df50 FB |
980 | return 0; |
981 | } | |
982 | ||
983 | static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) | |
984 | { | |
985 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
986 | ||
b4d72c08 | 987 | qeth_l2_remove_device_attributes(&cgdev->dev); |
f2148565 | 988 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
989 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
990 | ||
70919e23 | 991 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 992 | qeth_l2_set_offline(cgdev); |
4a71df50 FB |
993 | |
994 | if (card->dev) { | |
995 | unregister_netdev(card->dev); | |
996 | card->dev = NULL; | |
997 | } | |
4a71df50 FB |
998 | return; |
999 | } | |
1000 | ||
0fc0b732 | 1001 | static const struct ethtool_ops qeth_l2_ethtool_ops = { |
4a71df50 | 1002 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
1003 | .get_strings = qeth_core_get_strings, |
1004 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 1005 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 1006 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 1007 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
1008 | }; |
1009 | ||
0fc0b732 | 1010 | static const struct ethtool_ops qeth_l2_osn_ops = { |
4a71df50 FB |
1011 | .get_strings = qeth_core_get_strings, |
1012 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 1013 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 FB |
1014 | .get_drvinfo = qeth_core_get_drvinfo, |
1015 | }; | |
1016 | ||
3d58cefd | 1017 | static const struct net_device_ops qeth_l2_netdev_ops = { |
8403b13c FB |
1018 | .ndo_open = qeth_l2_open, |
1019 | .ndo_stop = qeth_l2_stop, | |
1020 | .ndo_get_stats = qeth_get_stats, | |
1021 | .ndo_start_xmit = qeth_l2_hard_start_xmit, | |
1022 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 1023 | .ndo_set_rx_mode = qeth_l2_set_multicast_list, |
8403b13c FB |
1024 | .ndo_do_ioctl = qeth_l2_do_ioctl, |
1025 | .ndo_set_mac_address = qeth_l2_set_mac_address, | |
1026 | .ndo_change_mtu = qeth_change_mtu, | |
1027 | .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, | |
1028 | .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, | |
1029 | .ndo_tx_timeout = qeth_tx_timeout, | |
4d7def2a TR |
1030 | .ndo_fix_features = qeth_l2_fix_features, |
1031 | .ndo_set_features = qeth_l2_set_features | |
8403b13c FB |
1032 | }; |
1033 | ||
4a71df50 FB |
1034 | static int qeth_l2_setup_netdev(struct qeth_card *card) |
1035 | { | |
1036 | switch (card->info.type) { | |
4a71df50 | 1037 | case QETH_CARD_TYPE_IQD: |
c835a677 TG |
1038 | card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, |
1039 | ether_setup); | |
4a71df50 FB |
1040 | break; |
1041 | case QETH_CARD_TYPE_OSN: | |
c835a677 TG |
1042 | card->dev = alloc_netdev(0, "osn%d", NET_NAME_UNKNOWN, |
1043 | ether_setup); | |
4a71df50 FB |
1044 | card->dev->flags |= IFF_NOARP; |
1045 | break; | |
1046 | default: | |
1047 | card->dev = alloc_etherdev(0); | |
1048 | } | |
1049 | ||
1050 | if (!card->dev) | |
1051 | return -ENODEV; | |
1052 | ||
509e2562 | 1053 | card->dev->ml_priv = card; |
4a71df50 | 1054 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 | 1055 | card->dev->mtu = card->info.initial_mtu; |
8403b13c | 1056 | card->dev->netdev_ops = &qeth_l2_netdev_ops; |
7ad24ea4 WK |
1057 | card->dev->ethtool_ops = |
1058 | (card->info.type != QETH_CARD_TYPE_OSN) ? | |
1059 | &qeth_l2_ethtool_ops : &qeth_l2_osn_ops; | |
f646968f | 1060 | card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; |
4d7def2a TR |
1061 | if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { |
1062 | card->dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM; | |
1063 | /* Turn on RX offloading per default */ | |
1064 | card->dev->features |= NETIF_F_RXCSUM; | |
1065 | } | |
4a71df50 FB |
1066 | card->info.broadcast_capable = 1; |
1067 | qeth_l2_request_initial_mac(card); | |
1068 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 1069 | netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT); |
4a71df50 FB |
1070 | return register_netdev(card->dev); |
1071 | } | |
1072 | ||
4d7def2a TR |
1073 | static int qeth_l2_start_ipassists(struct qeth_card *card) |
1074 | { | |
1075 | /* configure isolation level */ | |
1076 | if (qeth_set_access_ctrl_online(card, 0)) | |
1077 | return -ENODEV; | |
1078 | if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
1079 | qeth_set_rx_csum(card, 1); | |
1080 | qeth_start_ipa_tx_checksum(card); | |
1081 | return 0; | |
1082 | } | |
1083 | ||
4a71df50 FB |
1084 | static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) |
1085 | { | |
1086 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
1087 | int rc = 0; | |
1088 | enum qeth_card_states recover_flag; | |
1089 | ||
9dc48ccc | 1090 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 1091 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
1092 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
1093 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 1094 | |
4a71df50 | 1095 | recover_flag = card->state; |
4a71df50 FB |
1096 | rc = qeth_core_hardsetup_card(card); |
1097 | if (rc) { | |
1aec42bc | 1098 | QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); |
aa909224 | 1099 | rc = -ENODEV; |
4a71df50 FB |
1100 | goto out_remove; |
1101 | } | |
c044dc21 EC |
1102 | qeth_bridgeport_query_support(card); |
1103 | if (card->options.sbp.supported_funcs) | |
1104 | dev_info(&card->gdev->dev, | |
9c23f4da | 1105 | "The device represents a Bridge Capable Port\n"); |
395672e0 | 1106 | qeth_trace_features(card); |
4a71df50 | 1107 | |
aa909224 UB |
1108 | if (!card->dev && qeth_l2_setup_netdev(card)) { |
1109 | rc = -ENODEV; | |
4a71df50 | 1110 | goto out_remove; |
aa909224 | 1111 | } |
4a71df50 FB |
1112 | |
1113 | if (card->info.type != QETH_CARD_TYPE_OSN) | |
1114 | qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); | |
1115 | ||
1da74b1c FB |
1116 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
1117 | if (card->info.hwtrap && | |
1118 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
1119 | card->info.hwtrap = 0; | |
1120 | } else | |
1121 | card->info.hwtrap = 0; | |
1122 | ||
b4d72c08 EC |
1123 | qeth_l2_setup_bridgeport_attrs(card); |
1124 | ||
4a71df50 | 1125 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 1126 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
1127 | qeth_print_status_message(card); |
1128 | ||
1129 | /* softsetup */ | |
d11ba0c4 | 1130 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
1131 | |
1132 | rc = qeth_send_startlan(card); | |
1133 | if (rc) { | |
d11ba0c4 | 1134 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 1135 | if (rc == 0xe080) { |
74eacdb9 FB |
1136 | dev_warn(&card->gdev->dev, |
1137 | "The LAN is offline\n"); | |
4a71df50 | 1138 | card->lan_online = 0; |
2b6203bb | 1139 | goto contin; |
4a71df50 | 1140 | } |
aa909224 | 1141 | rc = -ENODEV; |
f2148565 | 1142 | goto out_remove; |
4a71df50 FB |
1143 | } else |
1144 | card->lan_online = 1; | |
1145 | ||
2b6203bb | 1146 | contin: |
5113fec0 | 1147 | if ((card->info.type == QETH_CARD_TYPE_OSD) || |
0f54761d | 1148 | (card->info.type == QETH_CARD_TYPE_OSX)) { |
4d7def2a | 1149 | if (qeth_l2_start_ipassists(card)) |
0f54761d | 1150 | goto out_remove; |
0f54761d | 1151 | } |
5113fec0 UB |
1152 | |
1153 | if (card->info.type != QETH_CARD_TYPE_OSN && | |
1154 | card->info.type != QETH_CARD_TYPE_OSM) | |
70919e23 | 1155 | qeth_l2_process_vlans(card); |
4a71df50 FB |
1156 | |
1157 | netif_tx_disable(card->dev); | |
1158 | ||
1159 | rc = qeth_init_qdio_queues(card); | |
1160 | if (rc) { | |
d11ba0c4 | 1161 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 1162 | rc = -ENODEV; |
4a71df50 FB |
1163 | goto out_remove; |
1164 | } | |
1165 | card->state = CARD_STATE_SOFTSETUP; | |
2b6203bb UB |
1166 | if (card->lan_online) |
1167 | netif_carrier_on(card->dev); | |
1168 | else | |
1169 | netif_carrier_off(card->dev); | |
4a71df50 FB |
1170 | |
1171 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
1172 | if (recover_flag == CARD_STATE_RECOVER) { | |
1173 | if (recovery_mode && | |
1174 | card->info.type != QETH_CARD_TYPE_OSN) { | |
39423440 | 1175 | __qeth_l2_open(card->dev); |
4a71df50 FB |
1176 | } else { |
1177 | rtnl_lock(); | |
1178 | dev_open(card->dev); | |
1179 | rtnl_unlock(); | |
1180 | } | |
1181 | /* this also sets saved unicast addresses */ | |
1182 | qeth_l2_set_multicast_list(card->dev); | |
1183 | } | |
1184 | /* let user_space know that device is online */ | |
1185 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 1186 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 1187 | mutex_unlock(&card->discipline_mutex); |
4a71df50 | 1188 | return 0; |
aa909224 | 1189 | |
4a71df50 | 1190 | out_remove: |
4a71df50 FB |
1191 | qeth_l2_stop_card(card, 0); |
1192 | ccw_device_set_offline(CARD_DDEV(card)); | |
1193 | ccw_device_set_offline(CARD_WDEV(card)); | |
1194 | ccw_device_set_offline(CARD_RDEV(card)); | |
22ae2790 | 1195 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1196 | if (recover_flag == CARD_STATE_RECOVER) |
1197 | card->state = CARD_STATE_RECOVER; | |
1198 | else | |
1199 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 1200 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 1201 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 1202 | return rc; |
4a71df50 FB |
1203 | } |
1204 | ||
1205 | static int qeth_l2_set_online(struct ccwgroup_device *gdev) | |
1206 | { | |
1207 | return __qeth_l2_set_online(gdev, 0); | |
1208 | } | |
1209 | ||
1210 | static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev, | |
1211 | int recovery_mode) | |
1212 | { | |
1213 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
1214 | int rc = 0, rc2 = 0, rc3 = 0; | |
1215 | enum qeth_card_states recover_flag; | |
1216 | ||
9dc48ccc | 1217 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 1218 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
1219 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
1220 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
1221 | |
1222 | if (card->dev && netif_carrier_ok(card->dev)) | |
1223 | netif_carrier_off(card->dev); | |
1224 | recover_flag = card->state; | |
1da74b1c FB |
1225 | if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { |
1226 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
1227 | card->info.hwtrap = 1; | |
1228 | } | |
0f5623c9 | 1229 | qeth_l2_stop_card(card, recovery_mode); |
4a71df50 FB |
1230 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
1231 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
1232 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
1233 | if (!rc) | |
1234 | rc = (rc2) ? rc2 : rc3; | |
1235 | if (rc) | |
d11ba0c4 | 1236 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
22ae2790 | 1237 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1238 | if (recover_flag == CARD_STATE_UP) |
1239 | card->state = CARD_STATE_RECOVER; | |
1240 | /* let user_space know that device is offline */ | |
1241 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 1242 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 1243 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
1244 | return 0; |
1245 | } | |
1246 | ||
1247 | static int qeth_l2_set_offline(struct ccwgroup_device *cgdev) | |
1248 | { | |
1249 | return __qeth_l2_set_offline(cgdev, 0); | |
1250 | } | |
1251 | ||
1252 | static int qeth_l2_recover(void *ptr) | |
1253 | { | |
1254 | struct qeth_card *card; | |
1255 | int rc = 0; | |
1256 | ||
1257 | card = (struct qeth_card *) ptr; | |
847a50fd | 1258 | QETH_CARD_TEXT(card, 2, "recover1"); |
4a71df50 FB |
1259 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
1260 | return 0; | |
847a50fd | 1261 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
1262 | dev_warn(&card->gdev->dev, |
1263 | "A recovery process has been started for the device\n"); | |
65d8013c | 1264 | qeth_set_recovery_task(card); |
4a71df50 FB |
1265 | __qeth_l2_set_offline(card->gdev, 1); |
1266 | rc = __qeth_l2_set_online(card->gdev, 1); | |
4a71df50 | 1267 | if (!rc) |
74eacdb9 FB |
1268 | dev_info(&card->gdev->dev, |
1269 | "Device successfully recovered!\n"); | |
28a7e4c9 | 1270 | else { |
0f54761d SR |
1271 | qeth_close_dev(card); |
1272 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
2efaf5ff | 1273 | "failed to recover an error on the device\n"); |
28a7e4c9 | 1274 | } |
65d8013c | 1275 | qeth_clear_recovery_task(card); |
a1c3ed4c FB |
1276 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
1277 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
1278 | return 0; |
1279 | } | |
1280 | ||
1281 | static int __init qeth_l2_init(void) | |
1282 | { | |
74eacdb9 | 1283 | pr_info("register layer 2 discipline\n"); |
4a71df50 FB |
1284 | return 0; |
1285 | } | |
1286 | ||
1287 | static void __exit qeth_l2_exit(void) | |
1288 | { | |
74eacdb9 | 1289 | pr_info("unregister layer 2 discipline\n"); |
4a71df50 FB |
1290 | } |
1291 | ||
1292 | static void qeth_l2_shutdown(struct ccwgroup_device *gdev) | |
1293 | { | |
1294 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
f78ac2bb | 1295 | qeth_set_allowed_threads(card, 0, 1); |
1da74b1c FB |
1296 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
1297 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
1298 | qeth_qdio_clear_card(card, 0); |
1299 | qeth_clear_qdio_buffers(card); | |
22ae2790 | 1300 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
1301 | } |
1302 | ||
bbcfcdc8 FB |
1303 | static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev) |
1304 | { | |
1305 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
1306 | ||
1307 | if (card->dev) | |
1308 | netif_device_detach(card->dev); | |
1309 | qeth_set_allowed_threads(card, 0, 1); | |
1310 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
1311 | if (gdev->state == CCWGROUP_OFFLINE) | |
1312 | return 0; | |
1313 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
1314 | if (card->info.hwtrap) |
1315 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
1316 | __qeth_l2_set_offline(card->gdev, 1); |
1317 | } else | |
1318 | __qeth_l2_set_offline(card->gdev, 0); | |
1319 | return 0; | |
1320 | } | |
1321 | ||
1322 | static int qeth_l2_pm_resume(struct ccwgroup_device *gdev) | |
1323 | { | |
1324 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
1325 | int rc = 0; | |
1326 | ||
1327 | if (gdev->state == CCWGROUP_OFFLINE) | |
1328 | goto out; | |
1329 | ||
1330 | if (card->state == CARD_STATE_RECOVER) { | |
1331 | rc = __qeth_l2_set_online(card->gdev, 1); | |
1332 | if (rc) { | |
869da90b UB |
1333 | rtnl_lock(); |
1334 | dev_close(card->dev); | |
1335 | rtnl_unlock(); | |
bbcfcdc8 FB |
1336 | } |
1337 | } else | |
1338 | rc = __qeth_l2_set_online(card->gdev, 0); | |
1339 | out: | |
1340 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
1341 | if (card->dev) | |
1342 | netif_device_attach(card->dev); | |
1343 | if (rc) | |
1344 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
1345 | "failed to recover an error on the device\n"); | |
1346 | return rc; | |
1347 | } | |
1348 | ||
c044dc21 EC |
1349 | /* Returns zero if the command is successfully "consumed" */ |
1350 | static int qeth_l2_control_event(struct qeth_card *card, | |
1351 | struct qeth_ipa_cmd *cmd) | |
1352 | { | |
1353 | switch (cmd->hdr.command) { | |
9c23f4da EC |
1354 | case IPA_CMD_SETBRIDGEPORT_OSA: |
1355 | case IPA_CMD_SETBRIDGEPORT_IQD: | |
c044dc21 EC |
1356 | if (cmd->data.sbp.hdr.command_code == |
1357 | IPA_SBP_BRIDGE_PORT_STATE_CHANGE) { | |
1358 | qeth_bridge_state_change(card, cmd); | |
1359 | return 0; | |
1360 | } else | |
1361 | return 1; | |
1362 | case IPA_CMD_ADDRESS_CHANGE_NOTIF: | |
1363 | qeth_bridge_host_event(card, cmd); | |
1364 | return 0; | |
1365 | default: | |
1366 | return 1; | |
1367 | } | |
1368 | } | |
1369 | ||
c041f2d4 SO |
1370 | struct qeth_discipline qeth_l2_discipline = { |
1371 | .start_poll = qeth_qdio_start_poll, | |
1372 | .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, | |
1373 | .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, | |
1374 | .recover = qeth_l2_recover, | |
1375 | .setup = qeth_l2_probe_device, | |
4a71df50 FB |
1376 | .remove = qeth_l2_remove_device, |
1377 | .set_online = qeth_l2_set_online, | |
1378 | .set_offline = qeth_l2_set_offline, | |
1379 | .shutdown = qeth_l2_shutdown, | |
bbcfcdc8 FB |
1380 | .freeze = qeth_l2_pm_suspend, |
1381 | .thaw = qeth_l2_pm_resume, | |
1382 | .restore = qeth_l2_pm_resume, | |
c044dc21 | 1383 | .control_event_handler = qeth_l2_control_event, |
4a71df50 | 1384 | }; |
c041f2d4 | 1385 | EXPORT_SYMBOL_GPL(qeth_l2_discipline); |
4a71df50 FB |
1386 | |
1387 | static int qeth_osn_send_control_data(struct qeth_card *card, int len, | |
1388 | struct qeth_cmd_buffer *iob) | |
1389 | { | |
1390 | unsigned long flags; | |
1391 | int rc = 0; | |
1392 | ||
847a50fd | 1393 | QETH_CARD_TEXT(card, 5, "osndctrd"); |
4a71df50 FB |
1394 | |
1395 | wait_event(card->wait_q, | |
1396 | atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); | |
1397 | qeth_prepare_control_data(card, len, iob); | |
847a50fd | 1398 | QETH_CARD_TEXT(card, 6, "osnoirqp"); |
4a71df50 FB |
1399 | spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); |
1400 | rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, | |
1401 | (addr_t) iob, 0, 0); | |
1402 | spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); | |
1403 | if (rc) { | |
14cc21b6 | 1404 | QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " |
4a71df50 | 1405 | "ccw_device_start rc = %i\n", rc); |
847a50fd | 1406 | QETH_CARD_TEXT_(card, 2, " err%d", rc); |
4a71df50 FB |
1407 | qeth_release_buffer(iob->channel, iob); |
1408 | atomic_set(&card->write.irq_pending, 0); | |
1409 | wake_up(&card->wait_q); | |
1410 | } | |
1411 | return rc; | |
1412 | } | |
1413 | ||
1414 | static int qeth_osn_send_ipa_cmd(struct qeth_card *card, | |
1415 | struct qeth_cmd_buffer *iob, int data_len) | |
1416 | { | |
1417 | u16 s1, s2; | |
1418 | ||
847a50fd | 1419 | QETH_CARD_TEXT(card, 4, "osndipa"); |
4a71df50 FB |
1420 | |
1421 | qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); | |
1422 | s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); | |
1423 | s2 = (u16)data_len; | |
1424 | memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); | |
1425 | memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); | |
1426 | memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); | |
1427 | memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); | |
1428 | return qeth_osn_send_control_data(card, s1, iob); | |
1429 | } | |
1430 | ||
1431 | int qeth_osn_assist(struct net_device *dev, void *data, int data_len) | |
1432 | { | |
1433 | struct qeth_cmd_buffer *iob; | |
1434 | struct qeth_card *card; | |
1435 | int rc; | |
1436 | ||
4a71df50 FB |
1437 | if (!dev) |
1438 | return -ENODEV; | |
509e2562 | 1439 | card = dev->ml_priv; |
4a71df50 FB |
1440 | if (!card) |
1441 | return -ENODEV; | |
847a50fd | 1442 | QETH_CARD_TEXT(card, 2, "osnsdmc"); |
c3521254 | 1443 | if (!qeth_card_hw_is_reachable(card)) |
4a71df50 FB |
1444 | return -ENODEV; |
1445 | iob = qeth_wait_for_buffer(&card->write); | |
1446 | memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); | |
1447 | rc = qeth_osn_send_ipa_cmd(card, iob, data_len); | |
1448 | return rc; | |
1449 | } | |
1450 | EXPORT_SYMBOL(qeth_osn_assist); | |
1451 | ||
1452 | int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev, | |
1453 | int (*assist_cb)(struct net_device *, void *), | |
1454 | int (*data_cb)(struct sk_buff *)) | |
1455 | { | |
1456 | struct qeth_card *card; | |
1457 | ||
4a71df50 FB |
1458 | *dev = qeth_l2_netdev_by_devno(read_dev_no); |
1459 | if (*dev == NULL) | |
1460 | return -ENODEV; | |
509e2562 | 1461 | card = (*dev)->ml_priv; |
4a71df50 FB |
1462 | if (!card) |
1463 | return -ENODEV; | |
847a50fd | 1464 | QETH_CARD_TEXT(card, 2, "osnreg"); |
4a71df50 FB |
1465 | if ((assist_cb == NULL) || (data_cb == NULL)) |
1466 | return -EINVAL; | |
1467 | card->osn_info.assist_cb = assist_cb; | |
1468 | card->osn_info.data_cb = data_cb; | |
1469 | return 0; | |
1470 | } | |
1471 | EXPORT_SYMBOL(qeth_osn_register); | |
1472 | ||
1473 | void qeth_osn_deregister(struct net_device *dev) | |
1474 | { | |
1475 | struct qeth_card *card; | |
1476 | ||
4a71df50 FB |
1477 | if (!dev) |
1478 | return; | |
509e2562 | 1479 | card = dev->ml_priv; |
4a71df50 FB |
1480 | if (!card) |
1481 | return; | |
847a50fd | 1482 | QETH_CARD_TEXT(card, 2, "osndereg"); |
4a71df50 FB |
1483 | card->osn_info.assist_cb = NULL; |
1484 | card->osn_info.data_cb = NULL; | |
1485 | return; | |
1486 | } | |
1487 | EXPORT_SYMBOL(qeth_osn_deregister); | |
1488 | ||
b4d72c08 EC |
1489 | /* SETBRIDGEPORT support, async notifications */ |
1490 | ||
9f48b9db EC |
1491 | enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset}; |
1492 | ||
1493 | /** | |
1494 | * qeth_bridge_emit_host_event() - bridgeport address change notification | |
1495 | * @card: qeth_card structure pointer, for udev events. | |
1496 | * @evtype: "normal" register/unregister, or abort, or reset. For abort | |
1497 | * and reset token and addr_lnid are unused and may be NULL. | |
1498 | * @code: event bitmask: high order bit 0x80 value 1 means removal of an | |
1499 | * object, 0 - addition of an object. | |
1500 | * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC. | |
1501 | * @token: "network token" structure identifying physical address of the port. | |
1502 | * @addr_lnid: pointer to structure with MAC address and VLAN ID. | |
1503 | * | |
1504 | * This function is called when registrations and deregistrations are | |
1505 | * reported by the hardware, and also when notifications are enabled - | |
1506 | * for all currently registered addresses. | |
1507 | */ | |
1508 | static void qeth_bridge_emit_host_event(struct qeth_card *card, | |
1509 | enum qeth_an_event_type evtype, | |
1510 | u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid) | |
1511 | { | |
1512 | char str[7][32]; | |
1513 | char *env[8]; | |
1514 | int i = 0; | |
1515 | ||
1516 | switch (evtype) { | |
1517 | case anev_reg_unreg: | |
1518 | snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s", | |
1519 | (code & IPA_ADDR_CHANGE_CODE_REMOVAL) | |
1520 | ? "deregister" : "register"); | |
1521 | env[i] = str[i]; i++; | |
1522 | if (code & IPA_ADDR_CHANGE_CODE_VLANID) { | |
1523 | snprintf(str[i], sizeof(str[i]), "VLAN=%d", | |
1524 | addr_lnid->lnid); | |
1525 | env[i] = str[i]; i++; | |
1526 | } | |
1527 | if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { | |
9846e70b | 1528 | snprintf(str[i], sizeof(str[i]), "MAC=%pM", |
4d7def2a | 1529 | addr_lnid->mac); |
9f48b9db EC |
1530 | env[i] = str[i]; i++; |
1531 | } | |
1532 | snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x", | |
1533 | token->cssid, token->ssid, token->devnum); | |
1534 | env[i] = str[i]; i++; | |
1535 | snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid); | |
1536 | env[i] = str[i]; i++; | |
1537 | snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x", | |
1538 | token->chpid); | |
1539 | env[i] = str[i]; i++; | |
1540 | snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid); | |
1541 | env[i] = str[i]; i++; | |
1542 | break; | |
1543 | case anev_abort: | |
1544 | snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort"); | |
1545 | env[i] = str[i]; i++; | |
1546 | break; | |
1547 | case anev_reset: | |
1548 | snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset"); | |
1549 | env[i] = str[i]; i++; | |
1550 | break; | |
1551 | } | |
1552 | env[i] = NULL; | |
1553 | kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env); | |
1554 | } | |
1555 | ||
b4d72c08 EC |
1556 | struct qeth_bridge_state_data { |
1557 | struct work_struct worker; | |
1558 | struct qeth_card *card; | |
1559 | struct qeth_sbp_state_change qports; | |
1560 | }; | |
1561 | ||
1562 | static void qeth_bridge_state_change_worker(struct work_struct *work) | |
1563 | { | |
1564 | struct qeth_bridge_state_data *data = | |
1565 | container_of(work, struct qeth_bridge_state_data, worker); | |
1566 | /* We are only interested in the first entry - local port */ | |
1567 | struct qeth_sbp_port_entry *entry = &data->qports.entry[0]; | |
1568 | char env_locrem[32]; | |
1569 | char env_role[32]; | |
1570 | char env_state[32]; | |
1571 | char *env[] = { | |
1572 | env_locrem, | |
1573 | env_role, | |
1574 | env_state, | |
1575 | NULL | |
1576 | }; | |
1577 | ||
1578 | /* Role should not change by itself, but if it did, */ | |
1579 | /* information from the hardware is authoritative. */ | |
1580 | mutex_lock(&data->card->conf_mutex); | |
1581 | data->card->options.sbp.role = entry->role; | |
1582 | mutex_unlock(&data->card->conf_mutex); | |
1583 | ||
1584 | snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange"); | |
1585 | snprintf(env_role, sizeof(env_role), "ROLE=%s", | |
1586 | (entry->role == QETH_SBP_ROLE_NONE) ? "none" : | |
1587 | (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" : | |
1588 | (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" : | |
1589 | "<INVALID>"); | |
1590 | snprintf(env_state, sizeof(env_state), "STATE=%s", | |
1591 | (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" : | |
1592 | (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" : | |
1593 | (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" : | |
1594 | "<INVALID>"); | |
1595 | kobject_uevent_env(&data->card->gdev->dev.kobj, | |
1596 | KOBJ_CHANGE, env); | |
1597 | kfree(data); | |
1598 | } | |
1599 | ||
c044dc21 EC |
1600 | static void qeth_bridge_state_change(struct qeth_card *card, |
1601 | struct qeth_ipa_cmd *cmd) | |
b4d72c08 EC |
1602 | { |
1603 | struct qeth_sbp_state_change *qports = | |
1604 | &cmd->data.sbp.data.state_change; | |
1605 | struct qeth_bridge_state_data *data; | |
1606 | int extrasize; | |
1607 | ||
1608 | QETH_CARD_TEXT(card, 2, "brstchng"); | |
1609 | if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { | |
8a593148 | 1610 | QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length); |
b4d72c08 EC |
1611 | return; |
1612 | } | |
1613 | extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries; | |
1614 | data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize, | |
1615 | GFP_ATOMIC); | |
1616 | if (!data) { | |
1617 | QETH_CARD_TEXT(card, 2, "BPSalloc"); | |
1618 | return; | |
1619 | } | |
1620 | INIT_WORK(&data->worker, qeth_bridge_state_change_worker); | |
1621 | data->card = card; | |
1622 | memcpy(&data->qports, qports, | |
1623 | sizeof(struct qeth_sbp_state_change) + extrasize); | |
1624 | queue_work(qeth_wq, &data->worker); | |
1625 | } | |
b4d72c08 | 1626 | |
9f48b9db EC |
1627 | struct qeth_bridge_host_data { |
1628 | struct work_struct worker; | |
1629 | struct qeth_card *card; | |
1630 | struct qeth_ipacmd_addr_change hostevs; | |
1631 | }; | |
1632 | ||
1633 | static void qeth_bridge_host_event_worker(struct work_struct *work) | |
1634 | { | |
1635 | struct qeth_bridge_host_data *data = | |
1636 | container_of(work, struct qeth_bridge_host_data, worker); | |
1637 | int i; | |
1638 | ||
1639 | if (data->hostevs.lost_event_mask) { | |
1640 | dev_info(&data->card->gdev->dev, | |
9c23f4da | 1641 | "Address notification from the Bridge Port stopped %s (%s)\n", |
9f48b9db EC |
1642 | data->card->dev->name, |
1643 | (data->hostevs.lost_event_mask == 0x01) | |
1644 | ? "Overflow" | |
1645 | : (data->hostevs.lost_event_mask == 0x02) | |
1646 | ? "Bridge port state change" | |
1647 | : "Unknown reason"); | |
1648 | mutex_lock(&data->card->conf_mutex); | |
1649 | data->card->options.sbp.hostnotification = 0; | |
1650 | mutex_unlock(&data->card->conf_mutex); | |
1651 | qeth_bridge_emit_host_event(data->card, anev_abort, | |
1652 | 0, NULL, NULL); | |
1653 | } else | |
1654 | for (i = 0; i < data->hostevs.num_entries; i++) { | |
1655 | struct qeth_ipacmd_addr_change_entry *entry = | |
1656 | &data->hostevs.entry[i]; | |
1657 | qeth_bridge_emit_host_event(data->card, | |
1658 | anev_reg_unreg, | |
1659 | entry->change_code, | |
1660 | &entry->token, &entry->addr_lnid); | |
1661 | } | |
1662 | kfree(data); | |
1663 | } | |
1664 | ||
c044dc21 EC |
1665 | static void qeth_bridge_host_event(struct qeth_card *card, |
1666 | struct qeth_ipa_cmd *cmd) | |
9f48b9db EC |
1667 | { |
1668 | struct qeth_ipacmd_addr_change *hostevs = | |
1669 | &cmd->data.addrchange; | |
1670 | struct qeth_bridge_host_data *data; | |
1671 | int extrasize; | |
1672 | ||
1673 | QETH_CARD_TEXT(card, 2, "brhostev"); | |
1674 | if (cmd->hdr.return_code != 0x0000) { | |
1675 | if (cmd->hdr.return_code == 0x0010) { | |
1676 | if (hostevs->lost_event_mask == 0x00) | |
1677 | hostevs->lost_event_mask = 0xff; | |
1678 | } else { | |
1679 | QETH_CARD_TEXT_(card, 2, "BPHe%04x", | |
1680 | cmd->hdr.return_code); | |
1681 | return; | |
1682 | } | |
1683 | } | |
1684 | extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) * | |
1685 | hostevs->num_entries; | |
1686 | data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize, | |
1687 | GFP_ATOMIC); | |
1688 | if (!data) { | |
1689 | QETH_CARD_TEXT(card, 2, "BPHalloc"); | |
1690 | return; | |
1691 | } | |
1692 | INIT_WORK(&data->worker, qeth_bridge_host_event_worker); | |
1693 | data->card = card; | |
1694 | memcpy(&data->hostevs, hostevs, | |
1695 | sizeof(struct qeth_ipacmd_addr_change) + extrasize); | |
1696 | queue_work(qeth_wq, &data->worker); | |
1697 | } | |
9f48b9db | 1698 | |
b4d72c08 EC |
1699 | /* SETBRIDGEPORT support; sending commands */ |
1700 | ||
1701 | struct _qeth_sbp_cbctl { | |
1702 | u16 ipa_rc; | |
1703 | u16 cmd_rc; | |
1704 | union { | |
1705 | u32 supported; | |
1706 | struct { | |
1707 | enum qeth_sbp_roles *role; | |
1708 | enum qeth_sbp_states *state; | |
1709 | } qports; | |
1710 | } data; | |
1711 | }; | |
1712 | ||
1713 | /** | |
1714 | * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes. | |
1715 | * @card: qeth_card structure pointer, for debug messages. | |
1716 | * @cbctl: state structure with hardware return codes. | |
1717 | * @setcmd: IPA command code | |
1718 | * | |
1719 | * Returns negative errno-compatible error indication or 0 on success. | |
1720 | */ | |
1721 | static int qeth_bridgeport_makerc(struct qeth_card *card, | |
1722 | struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd) | |
1723 | { | |
1724 | int rc; | |
9c23f4da | 1725 | int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD); |
b4d72c08 | 1726 | |
9c23f4da EC |
1727 | if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) || |
1728 | (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc))) | |
b4d72c08 EC |
1729 | switch (cbctl->cmd_rc) { |
1730 | case 0x0000: | |
1731 | rc = 0; | |
1732 | break; | |
9c23f4da | 1733 | case 0x2B04: |
b4d72c08 | 1734 | case 0x0004: |
ffb95251 | 1735 | rc = -EOPNOTSUPP; |
b4d72c08 | 1736 | break; |
9c23f4da | 1737 | case 0x2B0C: |
b4d72c08 EC |
1738 | case 0x000C: /* Not configured as bridge Port */ |
1739 | rc = -ENODEV; /* maybe not the best code here? */ | |
1740 | dev_err(&card->gdev->dev, | |
9c23f4da | 1741 | "The device is not configured as a Bridge Port\n"); |
b4d72c08 | 1742 | break; |
9c23f4da | 1743 | case 0x2B14: |
b4d72c08 EC |
1744 | case 0x0014: /* Another device is Primary */ |
1745 | switch (setcmd) { | |
1746 | case IPA_SBP_SET_PRIMARY_BRIDGE_PORT: | |
1747 | rc = -EEXIST; | |
1748 | dev_err(&card->gdev->dev, | |
9c23f4da | 1749 | "The LAN already has a primary Bridge Port\n"); |
b4d72c08 EC |
1750 | break; |
1751 | case IPA_SBP_SET_SECONDARY_BRIDGE_PORT: | |
1752 | rc = -EBUSY; | |
1753 | dev_err(&card->gdev->dev, | |
9c23f4da | 1754 | "The device is already a primary Bridge Port\n"); |
b4d72c08 EC |
1755 | break; |
1756 | default: | |
1757 | rc = -EIO; | |
1758 | } | |
1759 | break; | |
9c23f4da | 1760 | case 0x2B18: |
b4d72c08 EC |
1761 | case 0x0018: /* This device is currently Secondary */ |
1762 | rc = -EBUSY; | |
1763 | dev_err(&card->gdev->dev, | |
9c23f4da | 1764 | "The device is already a secondary Bridge Port\n"); |
b4d72c08 | 1765 | break; |
9c23f4da | 1766 | case 0x2B1C: |
b4d72c08 EC |
1767 | case 0x001C: /* Limit for Secondary devices reached */ |
1768 | rc = -EEXIST; | |
1769 | dev_err(&card->gdev->dev, | |
9c23f4da | 1770 | "The LAN cannot have more secondary Bridge Ports\n"); |
b4d72c08 | 1771 | break; |
9c23f4da | 1772 | case 0x2B24: |
b4d72c08 EC |
1773 | case 0x0024: /* This device is currently Primary */ |
1774 | rc = -EBUSY; | |
1775 | dev_err(&card->gdev->dev, | |
9c23f4da | 1776 | "The device is already a primary Bridge Port\n"); |
b4d72c08 | 1777 | break; |
9c23f4da | 1778 | case 0x2B20: |
b4d72c08 EC |
1779 | case 0x0020: /* Not authorized by zManager */ |
1780 | rc = -EACCES; | |
1781 | dev_err(&card->gdev->dev, | |
9c23f4da | 1782 | "The device is not authorized to be a Bridge Port\n"); |
b4d72c08 EC |
1783 | break; |
1784 | default: | |
1785 | rc = -EIO; | |
1786 | } | |
9c23f4da EC |
1787 | else |
1788 | switch (cbctl->ipa_rc) { | |
1789 | case IPA_RC_NOTSUPP: | |
ffb95251 | 1790 | rc = -EOPNOTSUPP; |
9c23f4da EC |
1791 | break; |
1792 | case IPA_RC_UNSUPPORTED_COMMAND: | |
ffb95251 | 1793 | rc = -EOPNOTSUPP; |
9c23f4da EC |
1794 | break; |
1795 | default: | |
1796 | rc = -EIO; | |
1797 | } | |
1798 | ||
b4d72c08 EC |
1799 | if (rc) { |
1800 | QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc); | |
1801 | QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc); | |
1802 | } | |
1803 | return rc; | |
1804 | } | |
1805 | ||
9c23f4da EC |
1806 | static inline int ipa_cmd_sbp(struct qeth_card *card) |
1807 | { | |
1808 | return (card->info.type == QETH_CARD_TYPE_IQD) ? | |
1809 | IPA_CMD_SETBRIDGEPORT_IQD : | |
1810 | IPA_CMD_SETBRIDGEPORT_OSA; | |
1811 | } | |
1812 | ||
b4d72c08 EC |
1813 | static int qeth_bridgeport_query_support_cb(struct qeth_card *card, |
1814 | struct qeth_reply *reply, unsigned long data) | |
1815 | { | |
1816 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; | |
1817 | struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; | |
1818 | QETH_CARD_TEXT(card, 2, "brqsupcb"); | |
1819 | cbctl->ipa_rc = cmd->hdr.return_code; | |
1820 | cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; | |
1821 | if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) { | |
1822 | cbctl->data.supported = | |
1823 | cmd->data.sbp.data.query_cmds_supp.supported_cmds; | |
1824 | } else { | |
1825 | cbctl->data.supported = 0; | |
1826 | } | |
1827 | return 0; | |
1828 | } | |
1829 | ||
1830 | /** | |
1831 | * qeth_bridgeport_query_support() - store bitmask of supported subfunctions. | |
1832 | * @card: qeth_card structure pointer. | |
1833 | * | |
1834 | * Sets bitmask of supported setbridgeport subfunctions in the qeth_card | |
1835 | * strucutre: card->options.sbp.supported_funcs. | |
1836 | */ | |
c044dc21 | 1837 | static void qeth_bridgeport_query_support(struct qeth_card *card) |
b4d72c08 EC |
1838 | { |
1839 | struct qeth_cmd_buffer *iob; | |
1840 | struct qeth_ipa_cmd *cmd; | |
1841 | struct _qeth_sbp_cbctl cbctl; | |
1842 | ||
1843 | QETH_CARD_TEXT(card, 2, "brqsuppo"); | |
9c23f4da | 1844 | iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0); |
1aec42bc TR |
1845 | if (!iob) |
1846 | return; | |
b4d72c08 EC |
1847 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1848 | cmd->data.sbp.hdr.cmdlength = | |
1849 | sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1850 | sizeof(struct qeth_sbp_query_cmds_supp); | |
1851 | cmd->data.sbp.hdr.command_code = | |
1852 | IPA_SBP_QUERY_COMMANDS_SUPPORTED; | |
1853 | cmd->data.sbp.hdr.used_total = 1; | |
1854 | cmd->data.sbp.hdr.seq_no = 1; | |
1855 | if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb, | |
1856 | (void *)&cbctl) || | |
1857 | qeth_bridgeport_makerc(card, &cbctl, | |
1858 | IPA_SBP_QUERY_COMMANDS_SUPPORTED)) { | |
1859 | /* non-zero makerc signifies failure, and produce messages */ | |
1860 | card->options.sbp.role = QETH_SBP_ROLE_NONE; | |
1861 | return; | |
1862 | } | |
1863 | card->options.sbp.supported_funcs = cbctl.data.supported; | |
1864 | } | |
b4d72c08 EC |
1865 | |
1866 | static int qeth_bridgeport_query_ports_cb(struct qeth_card *card, | |
1867 | struct qeth_reply *reply, unsigned long data) | |
1868 | { | |
1869 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; | |
1870 | struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports; | |
1871 | struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; | |
1872 | ||
1873 | QETH_CARD_TEXT(card, 2, "brqprtcb"); | |
1874 | cbctl->ipa_rc = cmd->hdr.return_code; | |
1875 | cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; | |
1876 | if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0)) | |
1877 | return 0; | |
1878 | if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) { | |
1879 | cbctl->cmd_rc = 0xffff; | |
1880 | QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length); | |
1881 | return 0; | |
1882 | } | |
1883 | /* first entry contains the state of the local port */ | |
1884 | if (qports->num_entries > 0) { | |
1885 | if (cbctl->data.qports.role) | |
1886 | *cbctl->data.qports.role = qports->entry[0].role; | |
1887 | if (cbctl->data.qports.state) | |
1888 | *cbctl->data.qports.state = qports->entry[0].state; | |
1889 | } | |
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | /** | |
1894 | * qeth_bridgeport_query_ports() - query local bridgeport status. | |
1895 | * @card: qeth_card structure pointer. | |
1896 | * @role: Role of the port: 0-none, 1-primary, 2-secondary. | |
1897 | * @state: State of the port: 0-inactive, 1-standby, 2-active. | |
1898 | * | |
1899 | * Returns negative errno-compatible error indication or 0 on success. | |
1900 | * | |
1901 | * 'role' and 'state' are not updated in case of hardware operation failure. | |
1902 | */ | |
1903 | int qeth_bridgeport_query_ports(struct qeth_card *card, | |
1904 | enum qeth_sbp_roles *role, enum qeth_sbp_states *state) | |
1905 | { | |
1906 | int rc = 0; | |
1907 | struct qeth_cmd_buffer *iob; | |
1908 | struct qeth_ipa_cmd *cmd; | |
1909 | struct _qeth_sbp_cbctl cbctl = { | |
1910 | .data = { | |
1911 | .qports = { | |
1912 | .role = role, | |
1913 | .state = state, | |
1914 | }, | |
1915 | }, | |
1916 | }; | |
1917 | ||
1918 | QETH_CARD_TEXT(card, 2, "brqports"); | |
1919 | if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS)) | |
1920 | return -EOPNOTSUPP; | |
9c23f4da | 1921 | iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0); |
1aec42bc TR |
1922 | if (!iob) |
1923 | return -ENOMEM; | |
b4d72c08 EC |
1924 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1925 | cmd->data.sbp.hdr.cmdlength = | |
1926 | sizeof(struct qeth_ipacmd_sbp_hdr); | |
1927 | cmd->data.sbp.hdr.command_code = | |
1928 | IPA_SBP_QUERY_BRIDGE_PORTS; | |
1929 | cmd->data.sbp.hdr.used_total = 1; | |
1930 | cmd->data.sbp.hdr.seq_no = 1; | |
1931 | rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb, | |
1932 | (void *)&cbctl); | |
c88394e7 | 1933 | if (rc < 0) |
b4d72c08 | 1934 | return rc; |
c88394e7 | 1935 | return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS); |
b4d72c08 EC |
1936 | } |
1937 | EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports); | |
1938 | ||
1939 | static int qeth_bridgeport_set_cb(struct qeth_card *card, | |
1940 | struct qeth_reply *reply, unsigned long data) | |
1941 | { | |
1942 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; | |
1943 | struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param; | |
1944 | QETH_CARD_TEXT(card, 2, "brsetrcb"); | |
1945 | cbctl->ipa_rc = cmd->hdr.return_code; | |
1946 | cbctl->cmd_rc = cmd->data.sbp.hdr.return_code; | |
1947 | return 0; | |
1948 | } | |
1949 | ||
1950 | /** | |
1951 | * qeth_bridgeport_setrole() - Assign primary role to the port. | |
1952 | * @card: qeth_card structure pointer. | |
1953 | * @role: Role to assign. | |
1954 | * | |
1955 | * Returns negative errno-compatible error indication or 0 on success. | |
1956 | */ | |
1957 | int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role) | |
1958 | { | |
1959 | int rc = 0; | |
1960 | int cmdlength; | |
1961 | struct qeth_cmd_buffer *iob; | |
1962 | struct qeth_ipa_cmd *cmd; | |
1963 | struct _qeth_sbp_cbctl cbctl; | |
1964 | enum qeth_ipa_sbp_cmd setcmd; | |
1965 | ||
1966 | QETH_CARD_TEXT(card, 2, "brsetrol"); | |
1967 | switch (role) { | |
1968 | case QETH_SBP_ROLE_NONE: | |
1969 | setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE; | |
1970 | cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1971 | sizeof(struct qeth_sbp_reset_role); | |
1972 | break; | |
1973 | case QETH_SBP_ROLE_PRIMARY: | |
1974 | setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT; | |
1975 | cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1976 | sizeof(struct qeth_sbp_set_primary); | |
1977 | break; | |
1978 | case QETH_SBP_ROLE_SECONDARY: | |
1979 | setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT; | |
1980 | cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) + | |
1981 | sizeof(struct qeth_sbp_set_secondary); | |
1982 | break; | |
1983 | default: | |
1984 | return -EINVAL; | |
1985 | } | |
1986 | if (!(card->options.sbp.supported_funcs & setcmd)) | |
1987 | return -EOPNOTSUPP; | |
9c23f4da | 1988 | iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0); |
1aec42bc TR |
1989 | if (!iob) |
1990 | return -ENOMEM; | |
b4d72c08 EC |
1991 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1992 | cmd->data.sbp.hdr.cmdlength = cmdlength; | |
1993 | cmd->data.sbp.hdr.command_code = setcmd; | |
1994 | cmd->data.sbp.hdr.used_total = 1; | |
1995 | cmd->data.sbp.hdr.seq_no = 1; | |
1996 | rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, | |
1997 | (void *)&cbctl); | |
c88394e7 | 1998 | if (rc < 0) |
b4d72c08 | 1999 | return rc; |
c88394e7 | 2000 | return qeth_bridgeport_makerc(card, &cbctl, setcmd); |
b4d72c08 EC |
2001 | } |
2002 | ||
9f48b9db EC |
2003 | /** |
2004 | * qeth_anset_makerc() - derive "traditional" error from hardware codes. | |
2005 | * @card: qeth_card structure pointer, for debug messages. | |
2006 | * | |
2007 | * Returns negative errno-compatible error indication or 0 on success. | |
2008 | */ | |
2009 | static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response) | |
2010 | { | |
2011 | int rc; | |
2012 | ||
2013 | if (pnso_rc == 0) | |
2014 | switch (response) { | |
2015 | case 0x0001: | |
2016 | rc = 0; | |
2017 | break; | |
2018 | case 0x0004: | |
2019 | case 0x0100: | |
2020 | case 0x0106: | |
ffb95251 | 2021 | rc = -EOPNOTSUPP; |
9f48b9db EC |
2022 | dev_err(&card->gdev->dev, |
2023 | "Setting address notification failed\n"); | |
2024 | break; | |
2025 | case 0x0107: | |
2026 | rc = -EAGAIN; | |
2027 | break; | |
2028 | default: | |
2029 | rc = -EIO; | |
2030 | } | |
2031 | else | |
2032 | rc = -EIO; | |
2033 | ||
2034 | if (rc) { | |
2035 | QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc); | |
2036 | QETH_CARD_TEXT_(card, 2, "SBPr%04x", response); | |
2037 | } | |
2038 | return rc; | |
2039 | } | |
2040 | ||
2041 | static void qeth_bridgeport_an_set_cb(void *priv, | |
2042 | enum qdio_brinfo_entry_type type, void *entry) | |
2043 | { | |
2044 | struct qeth_card *card = (struct qeth_card *)priv; | |
2045 | struct qdio_brinfo_entry_l2 *l2entry; | |
2046 | u8 code; | |
2047 | ||
2048 | if (type != l2_addr_lnid) { | |
2049 | WARN_ON_ONCE(1); | |
2050 | return; | |
2051 | } | |
2052 | ||
2053 | l2entry = (struct qdio_brinfo_entry_l2 *)entry; | |
2054 | code = IPA_ADDR_CHANGE_CODE_MACADDR; | |
2055 | if (l2entry->addr_lnid.lnid) | |
2056 | code |= IPA_ADDR_CHANGE_CODE_VLANID; | |
2057 | qeth_bridge_emit_host_event(card, anev_reg_unreg, code, | |
2058 | (struct net_if_token *)&l2entry->nit, | |
2059 | (struct mac_addr_lnid *)&l2entry->addr_lnid); | |
2060 | } | |
2061 | ||
2062 | /** | |
2063 | * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification | |
2064 | * @card: qeth_card structure pointer. | |
2065 | * @enable: 0 - disable, non-zero - enable notifications | |
2066 | * | |
2067 | * Returns negative errno-compatible error indication or 0 on success. | |
2068 | * | |
2069 | * On enable, emits a series of address notifications udev events for all | |
2070 | * currently registered hosts. | |
2071 | */ | |
2072 | int qeth_bridgeport_an_set(struct qeth_card *card, int enable) | |
2073 | { | |
2074 | int rc; | |
2075 | u16 response; | |
2076 | struct ccw_device *ddev; | |
2077 | struct subchannel_id schid; | |
2078 | ||
2079 | if (!card) | |
2080 | return -EINVAL; | |
2081 | if (!card->options.sbp.supported_funcs) | |
2082 | return -EOPNOTSUPP; | |
2083 | ddev = CARD_DDEV(card); | |
2084 | ccw_device_get_schid(ddev, &schid); | |
2085 | ||
2086 | if (enable) { | |
2087 | qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL); | |
2088 | rc = qdio_pnso_brinfo(schid, 1, &response, | |
2089 | qeth_bridgeport_an_set_cb, card); | |
2090 | } else | |
2091 | rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL); | |
2092 | return qeth_anset_makerc(card, rc, response); | |
2093 | } | |
2094 | EXPORT_SYMBOL_GPL(qeth_bridgeport_an_set); | |
2095 | ||
4a71df50 FB |
2096 | module_init(qeth_l2_init); |
2097 | module_exit(qeth_l2_exit); | |
2098 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
2099 | MODULE_DESCRIPTION("qeth layer 2 discipline"); | |
2100 | MODULE_LICENSE("GPL"); |