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-rw-r--r--drivers/scsi/libfc/fc_lport.c53
-rw-r--r--drivers/scsi/libfc/fc_rport.c48
2 files changed, 48 insertions, 53 deletions
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 3f2f7239014..bd2f7719744 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -452,56 +452,6 @@ static void fc_lport_recv_rnid_req(struct fc_seq *sp, struct fc_frame *in_fp,
}
/**
- * fc_lport_recv_adisc_req() - Handle received Address Discovery Request
- * @lport: Fibre Channel local port recieving the ADISC
- * @sp: current sequence in the ADISC exchange
- * @fp: ADISC request frame
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this function.
- */
-static void fc_lport_recv_adisc_req(struct fc_seq *sp, struct fc_frame *in_fp,
- struct fc_lport *lport)
-{
- struct fc_frame *fp;
- struct fc_exch *ep = fc_seq_exch(sp);
- struct fc_els_adisc *req, *rp;
- struct fc_seq_els_data rjt_data;
- size_t len;
- u32 f_ctl;
-
- FC_LPORT_DBG(lport, "Received ADISC request while in state %s\n",
- fc_lport_state(lport));
-
- req = fc_frame_payload_get(in_fp, sizeof(*req));
- if (!req) {
- rjt_data.fp = NULL;
- rjt_data.reason = ELS_RJT_LOGIC;
- rjt_data.explan = ELS_EXPL_NONE;
- lport->tt.seq_els_rsp_send(sp, ELS_LS_RJT, &rjt_data);
- } else {
- len = sizeof(*rp);
- fp = fc_frame_alloc(lport, len);
- if (fp) {
- rp = fc_frame_payload_get(fp, len);
- memset(rp, 0, len);
- rp->adisc_cmd = ELS_LS_ACC;
- rp->adisc_wwpn = htonll(lport->wwpn);
- rp->adisc_wwnn = htonll(lport->wwnn);
- hton24(rp->adisc_port_id,
- fc_host_port_id(lport->host));
- sp = lport->tt.seq_start_next(sp);
- f_ctl = FC_FC_EX_CTX | FC_FC_LAST_SEQ;
- f_ctl |= FC_FC_END_SEQ | FC_FC_SEQ_INIT;
- fc_fill_fc_hdr(fp, FC_RCTL_ELS_REP, ep->did, ep->sid,
- FC_TYPE_ELS, f_ctl, 0);
- lport->tt.seq_send(lport, sp, fp);
- }
- }
- fc_frame_free(in_fp);
-}
-
-/**
* fc_lport_recv_logo_req() - Handle received fabric LOGO request
* @lport: Fibre Channel local port recieving the LOGO
* @sp: current sequence in the LOGO exchange
@@ -849,9 +799,6 @@ static void fc_lport_recv_req(struct fc_lport *lport, struct fc_seq *sp,
case ELS_RNID:
recv = fc_lport_recv_rnid_req;
break;
- case ELS_ADISC:
- recv = fc_lport_recv_adisc_req;
- break;
}
recv(sp, fp, lport);
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index c33e2585108..03ea6748e7e 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -1012,6 +1012,50 @@ static void fc_rport_enter_adisc(struct fc_rport_priv *rdata)
}
/**
+ * fc_rport_recv_adisc_req() - Handle incoming Address Discovery (ADISC) Request
+ * @rdata: remote port private
+ * @sp: current sequence in the ADISC exchange
+ * @in_fp: ADISC request frame
+ *
+ * Locking Note: Called with the lport and rport locks held.
+ */
+static void fc_rport_recv_adisc_req(struct fc_rport_priv *rdata,
+ struct fc_seq *sp, struct fc_frame *in_fp)
+{
+ struct fc_lport *lport = rdata->local_port;
+ struct fc_frame *fp;
+ struct fc_exch *ep = fc_seq_exch(sp);
+ struct fc_els_adisc *adisc;
+ struct fc_seq_els_data rjt_data;
+ u32 f_ctl;
+
+ FC_RPORT_DBG(rdata, "Received ADISC request\n");
+
+ adisc = fc_frame_payload_get(in_fp, sizeof(*adisc));
+ if (!adisc) {
+ rjt_data.fp = NULL;
+ rjt_data.reason = ELS_RJT_PROT;
+ rjt_data.explan = ELS_EXPL_INV_LEN;
+ lport->tt.seq_els_rsp_send(sp, ELS_LS_RJT, &rjt_data);
+ goto drop;
+ }
+
+ fp = fc_frame_alloc(lport, sizeof(*adisc));
+ if (!fp)
+ goto drop;
+ fc_adisc_fill(lport, fp);
+ adisc = fc_frame_payload_get(fp, sizeof(*adisc));
+ adisc->adisc_cmd = ELS_LS_ACC;
+ sp = lport->tt.seq_start_next(sp);
+ f_ctl = FC_FC_EX_CTX | FC_FC_LAST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT;
+ fc_fill_fc_hdr(fp, FC_RCTL_ELS_REP, ep->did, ep->sid,
+ FC_TYPE_ELS, f_ctl, 0);
+ lport->tt.seq_send(lport, sp, fp);
+drop:
+ fc_frame_free(in_fp);
+}
+
+/**
* fc_rport_recv_els_req() - handle a validated ELS request.
* @lport: Fibre Channel local port
* @sp: current sequence in the PLOGI exchange
@@ -1062,6 +1106,9 @@ static void fc_rport_recv_els_req(struct fc_lport *lport,
case ELS_PRLO:
fc_rport_recv_prlo_req(rdata, sp, fp);
break;
+ case ELS_ADISC:
+ fc_rport_recv_adisc_req(rdata, sp, fp);
+ break;
case ELS_RRQ:
els_data.fp = fp;
lport->tt.seq_els_rsp_send(sp, ELS_RRQ, &els_data);
@@ -1111,6 +1158,7 @@ void fc_rport_recv_req(struct fc_seq *sp, struct fc_frame *fp,
break;
case ELS_PRLI:
case ELS_PRLO:
+ case ELS_ADISC:
case ELS_RRQ:
case ELS_REC:
fc_rport_recv_els_req(lport, sp, fp);