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[SCSI] libfc: improve flogi retries to avoid lport stuck

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Adds more cases to do flogi retry, now also retry
on getting bad response due to either no ELS response
or flogi response payload length not large enough.
In those cases flogi was not retried and that
was leaving lport offline.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Vasu Dev
2011-10-28 11:34:23 -07:00
committed by James Bottomley
parent b6e3c84034
commit 907c07d451
2 changed files with 54 additions and 49 deletions
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13
drivers/scsi/fcoe/fcoe.c
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@@ -2347,14 +2347,11 @@ static void fcoe_flogi_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg)
goto done;
mac = fr_cb(fp)->granted_mac;
if (is_zero_ether_addr(mac)) {
/* pre-FIP */
if (fcoe_ctlr_recv_flogi(fip, lport, fp)) {
fc_frame_free(fp);
return;
}
}
fcoe_update_src_mac(lport, mac);
/* pre-FIP */
if (is_zero_ether_addr(mac))
fcoe_ctlr_recv_flogi(fip, lport, fp);
if (!is_zero_ether_addr(mac))
fcoe_update_src_mac(lport, mac);
done:
fc_lport_flogi_resp(seq, fp, lport);
}