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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 16:30:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 16:30:43 -0400
commitd54b3538b0bfb31351d02d1669d4a978d2abfc5f (patch)
tree5ce539ecba525b30bbfb1c46c55487099264947e /drivers/scsi/fcoe/fcoe_sw.c
parent5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff)
parentaf50bb993dfa673cf21ab812efe620d7e0c36319 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (119 commits) [SCSI] scsi_dh_rdac: Retry for NOT_READY check condition [SCSI] mpt2sas: make global symbols unique [SCSI] sd: Make revalidate less chatty [SCSI] sd: Try READ CAPACITY 16 first for SBC-2 devices [SCSI] sd: Refactor sd_read_capacity() [SCSI] mpt2sas v00.100.11.15 [SCSI] mpt2sas: add MPT2SAS_MINOR(221) to miscdevice.h [SCSI] ch: Add scsi type modalias [SCSI] 3w-9xxx: add power management support [SCSI] bsg: add linux/types.h include to bsg.h [SCSI] cxgb3i: fix function descriptions [SCSI] libiscsi: fix possbile null ptr session command cleanup [SCSI] iscsi class: remove host no argument from session creation callout [SCSI] libiscsi: pass session failure a session struct [SCSI] iscsi lib: remove qdepth param from iscsi host allocation [SCSI] iscsi lib: have lib create work queue for transmitting IO [SCSI] iscsi class: fix lock dep warning on logout [SCSI] libiscsi: don't cap queue depth in iscsi modules [SCSI] iscsi_tcp: replace scsi_debug/tcp_debug logging with iscsi conn logging [SCSI] libiscsi_tcp: replace tcp_debug/scsi_debug logging with session/conn logging ...
Diffstat (limited to 'drivers/scsi/fcoe/fcoe_sw.c')
-rw-r--r--drivers/scsi/fcoe/fcoe_sw.c67
1 files changed, 66 insertions, 1 deletions
diff --git a/drivers/scsi/fcoe/fcoe_sw.c b/drivers/scsi/fcoe/fcoe_sw.c
index da210eba1941..2bbbe3c0cc7b 100644
--- a/drivers/scsi/fcoe/fcoe_sw.c
+++ b/drivers/scsi/fcoe/fcoe_sw.c
@@ -133,6 +133,13 @@ static int fcoe_sw_lport_config(struct fc_lport *lp)
133 /* lport fc_lport related configuration */ 133 /* lport fc_lport related configuration */
134 fc_lport_config(lp); 134 fc_lport_config(lp);
135 135
136 /* offload related configuration */
137 lp->crc_offload = 0;
138 lp->seq_offload = 0;
139 lp->lro_enabled = 0;
140 lp->lro_xid = 0;
141 lp->lso_max = 0;
142
136 return 0; 143 return 0;
137} 144}
138 145
@@ -186,7 +193,27 @@ static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev)
186 if (fc->real_dev->features & NETIF_F_SG) 193 if (fc->real_dev->features & NETIF_F_SG)
187 lp->sg_supp = 1; 194 lp->sg_supp = 1;
188 195
189 196#ifdef NETIF_F_FCOE_CRC
197 if (netdev->features & NETIF_F_FCOE_CRC) {
198 lp->crc_offload = 1;
199 printk(KERN_DEBUG "fcoe:%s supports FCCRC offload\n",
200 netdev->name);
201 }
202#endif
203#ifdef NETIF_F_FSO
204 if (netdev->features & NETIF_F_FSO) {
205 lp->seq_offload = 1;
206 lp->lso_max = netdev->gso_max_size;
207 printk(KERN_DEBUG "fcoe:%s supports LSO for max len 0x%x\n",
208 netdev->name, lp->lso_max);
209 }
210#endif
211 if (netdev->fcoe_ddp_xid) {
212 lp->lro_enabled = 1;
213 lp->lro_xid = netdev->fcoe_ddp_xid;
214 printk(KERN_DEBUG "fcoe:%s supports LRO for max xid 0x%x\n",
215 netdev->name, lp->lro_xid);
216 }
190 skb_queue_head_init(&fc->fcoe_pending_queue); 217 skb_queue_head_init(&fc->fcoe_pending_queue);
191 fc->fcoe_pending_queue_active = 0; 218 fc->fcoe_pending_queue_active = 0;
192 219
@@ -346,8 +373,46 @@ static int fcoe_sw_destroy(struct net_device *netdev)
346 return 0; 373 return 0;
347} 374}
348 375
376/*
377 * fcoe_sw_ddp_setup - calls LLD's ddp_setup through net_device
378 * @lp: the corresponding fc_lport
379 * @xid: the exchange id for this ddp transfer
380 * @sgl: the scatterlist describing this transfer
381 * @sgc: number of sg items
382 *
383 * Returns : 0 no ddp
384 */
385static int fcoe_sw_ddp_setup(struct fc_lport *lp, u16 xid,
386 struct scatterlist *sgl, unsigned int sgc)
387{
388 struct net_device *n = fcoe_netdev(lp);
389
390 if (n->netdev_ops && n->netdev_ops->ndo_fcoe_ddp_setup)
391 return n->netdev_ops->ndo_fcoe_ddp_setup(n, xid, sgl, sgc);
392
393 return 0;
394}
395
396/*
397 * fcoe_sw_ddp_done - calls LLD's ddp_done through net_device
398 * @lp: the corresponding fc_lport
399 * @xid: the exchange id for this ddp transfer
400 *
401 * Returns : the length of data that have been completed by ddp
402 */
403static int fcoe_sw_ddp_done(struct fc_lport *lp, u16 xid)
404{
405 struct net_device *n = fcoe_netdev(lp);
406
407 if (n->netdev_ops && n->netdev_ops->ndo_fcoe_ddp_done)
408 return n->netdev_ops->ndo_fcoe_ddp_done(n, xid);
409 return 0;
410}
411
349static struct libfc_function_template fcoe_sw_libfc_fcn_templ = { 412static struct libfc_function_template fcoe_sw_libfc_fcn_templ = {
350 .frame_send = fcoe_xmit, 413 .frame_send = fcoe_xmit,
414 .ddp_setup = fcoe_sw_ddp_setup,
415 .ddp_done = fcoe_sw_ddp_done,
351}; 416};
352 417
353/** 418/**