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[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>
This commit is contained in:
Yi Zou 2009-07-29 17:03:55 -07:00 committed by James Bottomley
parent 7a7f0c7f7a
commit 5a84baeaf7
1 changed files with 9 additions and 3 deletions
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12
drivers/scsi/fcoe/libfcoe.c
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@ -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;