diff options
Diffstat (limited to 'drivers/scsi/fcoe/fcoe_sw.c')
-rw-r--r-- | drivers/scsi/fcoe/fcoe_sw.c | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/drivers/scsi/fcoe/fcoe_sw.c b/drivers/scsi/fcoe/fcoe_sw.c index dc4cd5e25760..da210eba1941 100644 --- a/drivers/scsi/fcoe/fcoe_sw.c +++ b/drivers/scsi/fcoe/fcoe_sw.c | |||
@@ -104,19 +104,19 @@ static struct scsi_host_template fcoe_sw_shost_template = { | |||
104 | .max_sectors = 0xffff, | 104 | .max_sectors = 0xffff, |
105 | }; | 105 | }; |
106 | 106 | ||
107 | /* | 107 | /** |
108 | * fcoe_sw_lport_config - sets up the fc_lport | 108 | * fcoe_sw_lport_config() - sets up the fc_lport |
109 | * @lp: ptr to the fc_lport | 109 | * @lp: ptr to the fc_lport |
110 | * @shost: ptr to the parent scsi host | 110 | * @shost: ptr to the parent scsi host |
111 | * | 111 | * |
112 | * Returns: 0 for success | 112 | * Returns: 0 for success |
113 | * | ||
114 | */ | 113 | */ |
115 | static int fcoe_sw_lport_config(struct fc_lport *lp) | 114 | static int fcoe_sw_lport_config(struct fc_lport *lp) |
116 | { | 115 | { |
117 | int i = 0; | 116 | int i = 0; |
118 | 117 | ||
119 | lp->link_status = 0; | 118 | lp->link_up = 0; |
119 | lp->qfull = 0; | ||
120 | lp->max_retry_count = 3; | 120 | lp->max_retry_count = 3; |
121 | lp->e_d_tov = 2 * 1000; /* FC-FS default */ | 121 | lp->e_d_tov = 2 * 1000; /* FC-FS default */ |
122 | lp->r_a_tov = 2 * 2 * 1000; | 122 | lp->r_a_tov = 2 * 2 * 1000; |
@@ -136,16 +136,14 @@ static int fcoe_sw_lport_config(struct fc_lport *lp) | |||
136 | return 0; | 136 | return 0; |
137 | } | 137 | } |
138 | 138 | ||
139 | /* | 139 | /** |
140 | * fcoe_sw_netdev_config - sets up fcoe_softc for lport and network | 140 | * fcoe_sw_netdev_config() - Set up netdev for SW FCoE |
141 | * related properties | ||
142 | * @lp : ptr to the fc_lport | 141 | * @lp : ptr to the fc_lport |
143 | * @netdev : ptr to the associated netdevice struct | 142 | * @netdev : ptr to the associated netdevice struct |
144 | * | 143 | * |
145 | * Must be called after fcoe_sw_lport_config() as it will use lport mutex | 144 | * Must be called after fcoe_sw_lport_config() as it will use lport mutex |
146 | * | 145 | * |
147 | * Returns : 0 for success | 146 | * Returns : 0 for success |
148 | * | ||
149 | */ | 147 | */ |
150 | static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev) | 148 | static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev) |
151 | { | 149 | { |
@@ -181,9 +179,8 @@ static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev) | |||
181 | if (fc_set_mfs(lp, mfs)) | 179 | if (fc_set_mfs(lp, mfs)) |
182 | return -EINVAL; | 180 | return -EINVAL; |
183 | 181 | ||
184 | lp->link_status = ~FC_PAUSE & ~FC_LINK_UP; | ||
185 | if (!fcoe_link_ok(lp)) | 182 | if (!fcoe_link_ok(lp)) |
186 | lp->link_status |= FC_LINK_UP; | 183 | lp->link_up = 1; |
187 | 184 | ||
188 | /* offload features support */ | 185 | /* offload features support */ |
189 | if (fc->real_dev->features & NETIF_F_SG) | 186 | if (fc->real_dev->features & NETIF_F_SG) |
@@ -191,6 +188,7 @@ static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev) | |||
191 | 188 | ||
192 | 189 | ||
193 | skb_queue_head_init(&fc->fcoe_pending_queue); | 190 | skb_queue_head_init(&fc->fcoe_pending_queue); |
191 | fc->fcoe_pending_queue_active = 0; | ||
194 | 192 | ||
195 | /* setup Source Mac Address */ | 193 | /* setup Source Mac Address */ |
196 | memcpy(fc->ctl_src_addr, fc->real_dev->dev_addr, | 194 | memcpy(fc->ctl_src_addr, fc->real_dev->dev_addr, |
@@ -224,16 +222,15 @@ static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev) | |||
224 | return 0; | 222 | return 0; |
225 | } | 223 | } |
226 | 224 | ||
227 | /* | 225 | /** |
228 | * fcoe_sw_shost_config - sets up fc_lport->host | 226 | * fcoe_sw_shost_config() - Sets up fc_lport->host |
229 | * @lp : ptr to the fc_lport | 227 | * @lp : ptr to the fc_lport |
230 | * @shost : ptr to the associated scsi host | 228 | * @shost : ptr to the associated scsi host |
231 | * @dev : device associated to scsi host | 229 | * @dev : device associated to scsi host |
232 | * | 230 | * |
233 | * Must be called after fcoe_sw_lport_config) and fcoe_sw_netdev_config() | 231 | * Must be called after fcoe_sw_lport_config() and fcoe_sw_netdev_config() |
234 | * | 232 | * |
235 | * Returns : 0 for success | 233 | * Returns : 0 for success |
236 | * | ||
237 | */ | 234 | */ |
238 | static int fcoe_sw_shost_config(struct fc_lport *lp, struct Scsi_Host *shost, | 235 | static int fcoe_sw_shost_config(struct fc_lport *lp, struct Scsi_Host *shost, |
239 | struct device *dev) | 236 | struct device *dev) |
@@ -261,8 +258,8 @@ static int fcoe_sw_shost_config(struct fc_lport *lp, struct Scsi_Host *shost, | |||
261 | return 0; | 258 | return 0; |
262 | } | 259 | } |
263 | 260 | ||
264 | /* | 261 | /** |
265 | * fcoe_sw_em_config - allocates em for this lport | 262 | * fcoe_sw_em_config() - allocates em for this lport |
266 | * @lp: the port that em is to allocated for | 263 | * @lp: the port that em is to allocated for |
267 | * | 264 | * |
268 | * Returns : 0 on success | 265 | * Returns : 0 on success |
@@ -279,8 +276,8 @@ static inline int fcoe_sw_em_config(struct fc_lport *lp) | |||
279 | return 0; | 276 | return 0; |
280 | } | 277 | } |
281 | 278 | ||
282 | /* | 279 | /** |
283 | * fcoe_sw_destroy - FCoE software HBA tear-down function | 280 | * fcoe_sw_destroy() - FCoE software HBA tear-down function |
284 | * @netdev: ptr to the associated net_device | 281 | * @netdev: ptr to the associated net_device |
285 | * | 282 | * |
286 | * Returns: 0 if link is OK for use by FCoE. | 283 | * Returns: 0 if link is OK for use by FCoE. |
@@ -301,7 +298,7 @@ static int fcoe_sw_destroy(struct net_device *netdev) | |||
301 | if (!lp) | 298 | if (!lp) |
302 | return -ENODEV; | 299 | return -ENODEV; |
303 | 300 | ||
304 | fc = fcoe_softc(lp); | 301 | fc = lport_priv(lp); |
305 | 302 | ||
306 | /* Logout of the fabric */ | 303 | /* Logout of the fabric */ |
307 | fc_fabric_logoff(lp); | 304 | fc_fabric_logoff(lp); |
@@ -353,8 +350,8 @@ static struct libfc_function_template fcoe_sw_libfc_fcn_templ = { | |||
353 | .frame_send = fcoe_xmit, | 350 | .frame_send = fcoe_xmit, |
354 | }; | 351 | }; |
355 | 352 | ||
356 | /* | 353 | /** |
357 | * fcoe_sw_create - this function creates the fcoe interface | 354 | * fcoe_sw_create() - this function creates the fcoe interface |
358 | * @netdev: pointer the associated netdevice | 355 | * @netdev: pointer the associated netdevice |
359 | * | 356 | * |
360 | * Creates fc_lport struct and scsi_host for lport, configures lport | 357 | * Creates fc_lport struct and scsi_host for lport, configures lport |
@@ -440,8 +437,8 @@ out_host_put: | |||
440 | return rc; | 437 | return rc; |
441 | } | 438 | } |
442 | 439 | ||
443 | /* | 440 | /** |
444 | * fcoe_sw_match - the fcoe sw transport match function | 441 | * fcoe_sw_match() - The FCoE SW transport match function |
445 | * | 442 | * |
446 | * Returns : false always | 443 | * Returns : false always |
447 | */ | 444 | */ |
@@ -461,8 +458,8 @@ struct fcoe_transport fcoe_sw_transport = { | |||
461 | .device = 0xffff, | 458 | .device = 0xffff, |
462 | }; | 459 | }; |
463 | 460 | ||
464 | /* | 461 | /** |
465 | * fcoe_sw_init - registers fcoe_sw_transport | 462 | * fcoe_sw_init() - Registers fcoe_sw_transport |
466 | * | 463 | * |
467 | * Returns : 0 on success | 464 | * Returns : 0 on success |
468 | */ | 465 | */ |
@@ -471,17 +468,22 @@ int __init fcoe_sw_init(void) | |||
471 | /* attach to scsi transport */ | 468 | /* attach to scsi transport */ |
472 | scsi_transport_fcoe_sw = | 469 | scsi_transport_fcoe_sw = |
473 | fc_attach_transport(&fcoe_sw_transport_function); | 470 | fc_attach_transport(&fcoe_sw_transport_function); |
471 | |||
474 | if (!scsi_transport_fcoe_sw) { | 472 | if (!scsi_transport_fcoe_sw) { |
475 | printk(KERN_ERR "fcoe_sw_init:fc_attach_transport() failed\n"); | 473 | printk(KERN_ERR "fcoe_sw_init:fc_attach_transport() failed\n"); |
476 | return -ENODEV; | 474 | return -ENODEV; |
477 | } | 475 | } |
476 | |||
477 | mutex_init(&fcoe_sw_transport.devlock); | ||
478 | INIT_LIST_HEAD(&fcoe_sw_transport.devlist); | ||
479 | |||
478 | /* register sw transport */ | 480 | /* register sw transport */ |
479 | fcoe_transport_register(&fcoe_sw_transport); | 481 | fcoe_transport_register(&fcoe_sw_transport); |
480 | return 0; | 482 | return 0; |
481 | } | 483 | } |
482 | 484 | ||
483 | /* | 485 | /** |
484 | * fcoe_sw_exit - unregisters fcoe_sw_transport | 486 | * fcoe_sw_exit() - Unregisters fcoe_sw_transport |
485 | * | 487 | * |
486 | * Returns : 0 on success | 488 | * Returns : 0 on success |
487 | */ | 489 | */ |