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authorYi Zou <yi.zou@intel.com>2009-07-29 17:03:55 -0700
committerJames Bottomley <James.Bottomley@suse.de>2009-08-22 17:52:02 -0500
commit5a84baeaf7b8bb4188219140cb326a3e859b2312 (patch)
treeb584fcb403ed3332be39b85faef2bc0cd25633d7 /drivers/scsi/fcoe
parent7a7f0c7f7a0cbda062d1ff2ff1d3f99d0e41d2af (diff)
downloadblackbird-op-linux-5a84baeaf7b8bb4188219140cb326a3e859b2312.tar.gz
blackbird-op-linux-5a84baeaf7b8bb4188219140cb326a3e859b2312.zip
[SCSI] libfcoe: Set fip_flags according to fcf and lport's capability of SPMA support
When encap the els for FIP, set the fip_flags according to the FCF and lport's capability of supporting SPMA or FPMA or both. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/fcoe')
-rw-r--r--drivers/scsi/fcoe/libfcoe.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index d6ed3f8255ad..78caa6be1130 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -413,10 +413,18 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip,
struct fip_mac_desc *mac;
struct fcoe_fcf *fcf;
size_t dlen;
+ u16 fip_flags;
fcf = fip->sel_fcf;
if (!fcf)
return -ENODEV;
+
+ /* set flags according to both FCF and lport's capability on SPMA */
+ fip_flags = fcf->flags;
+ fip_flags &= fip->spma ? FIP_FL_SPMA | FIP_FL_FPMA : FIP_FL_FPMA;
+ if (!fip_flags)
+ return -ENODEV;
+
dlen = sizeof(struct fip_encaps) + skb->len; /* len before push */
cap = (struct fip_encaps_head *)skb_push(skb, sizeof(*cap));
@@ -429,9 +437,7 @@ static int fcoe_ctlr_encaps(struct fcoe_ctlr *fip,
cap->fip.fip_op = htons(FIP_OP_LS);
cap->fip.fip_subcode = FIP_SC_REQ;
cap->fip.fip_dl_len = htons((dlen + sizeof(*mac)) / FIP_BPW);
- cap->fip.fip_flags = htons(FIP_FL_FPMA);
- if (fip->spma)
- cap->fip.fip_flags |= htons(FIP_FL_SPMA);
+ cap->fip.fip_flags = htons(fip_flags);
cap->encaps.fd_desc.fip_dtype = dtype;
cap->encaps.fd_desc.fip_dlen = dlen / FIP_BPW;
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