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-rw-r--r--drivers/scsi/libfc/fc_lport.c12
-rw-r--r--include/scsi/fc/fc_fcp.h6
-rw-r--r--include/scsi/fc/fc_ns.h13
-rw-r--r--include/scsi/fc_encode.h12
-rw-r--r--include/scsi/libfc.h2
5 files changed, 43 insertions, 2 deletions
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index d3aec1959394..1bcc5e11d2c0 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -122,6 +122,7 @@ static const char *fc_lport_state_names[] = {
[LPORT_ST_RSNN_NN] = "RSNN_NN",
[LPORT_ST_RSPN_ID] = "RSPN_ID",
[LPORT_ST_RFT_ID] = "RFT_ID",
+ [LPORT_ST_RFF_ID] = "RFF_ID",
[LPORT_ST_SCR] = "SCR",
[LPORT_ST_READY] = "Ready",
[LPORT_ST_LOGO] = "LOGO",
@@ -1034,6 +1035,7 @@ static void fc_lport_error(struct fc_lport *lport, struct fc_frame *fp)
case LPORT_ST_RSNN_NN:
case LPORT_ST_RSPN_ID:
case LPORT_ST_RFT_ID:
+ case LPORT_ST_RFF_ID:
case LPORT_ST_SCR:
case LPORT_ST_DNS:
case LPORT_ST_FLOGI:
@@ -1070,7 +1072,7 @@ static void fc_lport_ns_resp(struct fc_seq *sp, struct fc_frame *fp,
mutex_lock(&lport->lp_mutex);
- if (lport->state < LPORT_ST_RNN_ID || lport->state > LPORT_ST_RFT_ID) {
+ if (lport->state < LPORT_ST_RNN_ID || lport->state > LPORT_ST_RFF_ID) {
FC_LPORT_DBG(lport, "Received a name server response, "
"but in state %s\n", fc_lport_state(lport));
if (IS_ERR(fp))
@@ -1101,6 +1103,9 @@ static void fc_lport_ns_resp(struct fc_seq *sp, struct fc_frame *fp,
fc_lport_enter_ns(lport, LPORT_ST_RFT_ID);
break;
case LPORT_ST_RFT_ID:
+ fc_lport_enter_ns(lport, LPORT_ST_RFF_ID);
+ break;
+ case LPORT_ST_RFF_ID:
fc_lport_enter_scr(lport);
break;
default:
@@ -1235,6 +1240,10 @@ static void fc_lport_enter_ns(struct fc_lport *lport, enum fc_lport_state state)
cmd = FC_NS_RFT_ID;
size += sizeof(struct fc_ns_rft);
break;
+ case LPORT_ST_RFF_ID:
+ cmd = FC_NS_RFF_ID;
+ size += sizeof(struct fc_ns_rff_id);
+ break;
default:
fc_lport_error(lport, NULL);
return;
@@ -1317,6 +1326,7 @@ static void fc_lport_timeout(struct work_struct *work)
case LPORT_ST_RSNN_NN:
case LPORT_ST_RSPN_ID:
case LPORT_ST_RFT_ID:
+ case LPORT_ST_RFF_ID:
fc_lport_enter_ns(lport, lport->state);
break;
case LPORT_ST_SCR:
diff --git a/include/scsi/fc/fc_fcp.h b/include/scsi/fc/fc_fcp.h
index 5d38f1989f37..29ecb0b02b09 100644
--- a/include/scsi/fc/fc_fcp.h
+++ b/include/scsi/fc/fc_fcp.h
@@ -196,4 +196,10 @@ struct fcp_srr {
__u8 srr_resvd2[3]; /* reserved */
};
+/*
+ * Feature bits in name server FC-4 Features object.
+ */
+#define FCP_FEAT_TARG (1 << 0) /* target function supported */
+#define FCP_FEAT_INIT (1 << 1) /* initiator function supported */
+
#endif /* _FC_FCP_H_ */
diff --git a/include/scsi/fc/fc_ns.h b/include/scsi/fc/fc_ns.h
index f4d354eb26b9..e7d3ac497d7d 100644
--- a/include/scsi/fc/fc_ns.h
+++ b/include/scsi/fc/fc_ns.h
@@ -46,10 +46,11 @@ enum fc_ns_req {
FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */
FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */
FC_NS_GID_PT = 0x01a1, /* get IDs by port type */
- FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */
FC_NS_RPN_ID = 0x0212, /* reg port name for ID */
FC_NS_RNN_ID = 0x0213, /* reg node name for ID */
+ FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */
FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */
+ FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */
FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */
};
@@ -178,4 +179,14 @@ struct fc_ns_rspn {
char fr_name[];
} __attribute__((__packed__));
+/*
+ * RFF_ID request - register FC-4 Features for ID.
+ */
+struct fc_ns_rff_id {
+ struct fc_ns_fid fr_fid; /* port ID object */
+ __u8 fr_resvd[2];
+ __u8 fr_feat; /* FC-4 Feature bits */
+ __u8 fr_type; /* FC-4 type */
+} __attribute__((__packed__));
+
#endif /* _FC_NS_H_ */
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index ab2260cb149c..8eb0a0fc0a71 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -32,6 +32,7 @@ struct fc_ct_req {
struct fc_ns_gid_ft gid;
struct fc_ns_rn_id rn;
struct fc_ns_rft rft;
+ struct fc_ns_rff_id rff;
struct fc_ns_fid fid;
struct fc_ns_rsnn snn;
struct fc_ns_rspn spn;
@@ -131,6 +132,17 @@ static inline int fc_ct_fill(struct fc_lport *lport,
ct->payload.rft.fts = lport->fcts;
break;
+ case FC_NS_RFF_ID:
+ ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id));
+ hton24(ct->payload.rff.fr_fid.fp_fid,
+ fc_host_port_id(lport->host));
+ ct->payload.rff.fr_type = FC_TYPE_FCP;
+ if (lport->service_params & FCP_SPPF_INIT_FCN)
+ ct->payload.rff.fr_feat = FCP_FEAT_INIT;
+ if (lport->service_params & FCP_SPPF_TARG_FCN)
+ ct->payload.rff.fr_feat |= FCP_FEAT_TARG;
+ break;
+
case FC_NS_RNN_ID:
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id));
hton24(ct->payload.rn.fr_fid.fp_fid,
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 67ce9fa1fee4..2936fbae41e4 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -62,6 +62,7 @@
* @LPORT_ST_DNS: Waiting for name server remote port to become ready
* @LPORT_ST_RPN_ID: Register port name by ID (RPN_ID) sent
* @LPORT_ST_RFT_ID: Register Fibre Channel types by ID (RFT_ID) sent
+ * @LPORT_ST_RFF_ID: Register FC-4 Features by ID (RFF_ID) sent
* @LPORT_ST_SCR: State Change Register (SCR) sent
* @LPORT_ST_READY: Ready for use
* @LPORT_ST_LOGO: Local port logout (LOGO) sent
@@ -75,6 +76,7 @@ enum fc_lport_state {
LPORT_ST_RSNN_NN,
LPORT_ST_RSPN_ID,
LPORT_ST_RFT_ID,
+ LPORT_ST_RFF_ID,
LPORT_ST_SCR,
LPORT_ST_READY,
LPORT_ST_LOGO,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.