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path: root/drivers/scsi/libfc/fc_elsct.c
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Diffstat (limited to 'drivers/scsi/libfc/fc_elsct.c')
-rw-r--r--drivers/scsi/libfc/fc_elsct.c49
1 files changed, 44 insertions, 5 deletions
diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c
index 5878b34bff1..5cfa68732e9 100644
--- a/drivers/scsi/libfc/fc_elsct.c
+++ b/drivers/scsi/libfc/fc_elsct.c
@@ -32,7 +32,7 @@
* fc_elsct_send - sends ELS/CT frame
*/
static struct fc_seq *fc_elsct_send(struct fc_lport *lport,
- struct fc_rport *rport,
+ u32 did,
struct fc_frame *fp,
unsigned int op,
void (*resp)(struct fc_seq *,
@@ -41,16 +41,17 @@ static struct fc_seq *fc_elsct_send(struct fc_lport *lport,
void *arg, u32 timer_msec)
{
enum fc_rctl r_ctl;
- u32 did = FC_FID_NONE;
enum fc_fh_type fh_type;
int rc;
/* ELS requests */
if ((op >= ELS_LS_RJT) && (op <= ELS_AUTH_ELS))
- rc = fc_els_fill(lport, rport, fp, op, &r_ctl, &did, &fh_type);
- else
+ rc = fc_els_fill(lport, did, fp, op, &r_ctl, &fh_type);
+ else {
/* CT requests */
- rc = fc_ct_fill(lport, fp, op, &r_ctl, &did, &fh_type);
+ rc = fc_ct_fill(lport, did, fp, op, &r_ctl, &fh_type);
+ did = FC_FID_DIR_SERV;
+ }
if (rc)
return NULL;
@@ -69,3 +70,41 @@ int fc_elsct_init(struct fc_lport *lport)
return 0;
}
EXPORT_SYMBOL(fc_elsct_init);
+
+/**
+ * fc_els_resp_type() - return string describing ELS response for debug.
+ * @fp: frame pointer with possible error code.
+ */
+const char *fc_els_resp_type(struct fc_frame *fp)
+{
+ const char *msg;
+ if (IS_ERR(fp)) {
+ switch (-PTR_ERR(fp)) {
+ case FC_NO_ERR:
+ msg = "response no error";
+ break;
+ case FC_EX_TIMEOUT:
+ msg = "response timeout";
+ break;
+ case FC_EX_CLOSED:
+ msg = "response closed";
+ break;
+ default:
+ msg = "response unknown error";
+ break;
+ }
+ } else {
+ switch (fc_frame_payload_op(fp)) {
+ case ELS_LS_ACC:
+ msg = "accept";
+ break;
+ case ELS_LS_RJT:
+ msg = "reject";
+ break;
+ default:
+ msg = "response unknown ELS";
+ break;
+ }
+ }
+ return msg;
+}