[PATCH 16/32] bfa: FCS authentication related changes.

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From: Krishna Gudipati <kgudipat@xxxxxxxxxxx>

Change details:

	- Made FCS authentication related changes to state machines and header files.

	- Made changes in FCS state machines to handle the case when secret string is NULL.

Signed-off-by: Krishna Gudipati <kgudipat@xxxxxxxxxxx>
---
 drivers/scsi/bfa/bfa_fcs_lport.c               |    2 ++
 drivers/scsi/bfa/fabric.c                      |    6 ++++++
 drivers/scsi/bfa/fcs_fabric.h                  |    1 +
 drivers/scsi/bfa/include/defs/bfa_defs_auth.h  |   22 ++++++++++++++++++++++
 drivers/scsi/bfa/include/defs/bfa_defs_pport.h |    4 ++--
 5 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 7bb182d..4a51aac 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -931,6 +931,8 @@ bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port,
 	if (port->fabric) {
 		port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric);
 		port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric);
+		port_attr->authfail =
+				bfa_fcs_fabric_is_auth_failed(port->fabric);
 		port_attr->fabric_name = bfa_fcs_port_get_fabric_name(port);
 		memcpy(port_attr->fabric_ip_addr,
 		       bfa_fcs_port_get_fabric_ipaddr(port),
diff --git a/drivers/scsi/bfa/fabric.c b/drivers/scsi/bfa/fabric.c
index 20a686a..b02ed76 100644
--- a/drivers/scsi/bfa/fabric.c
+++ b/drivers/scsi/bfa/fabric.c
@@ -895,6 +895,12 @@ bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric)
 	return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_loopback);
 }
 
+bfa_boolean_t
+bfa_fcs_fabric_is_auth_failed(struct bfa_fcs_fabric_s *fabric)
+{
+	return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_auth_failed);
+}
+
 enum bfa_pport_type
 bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric)
 {
diff --git a/drivers/scsi/bfa/fcs_fabric.h b/drivers/scsi/bfa/fcs_fabric.h
index 8237bd5..244c3f0 100644
--- a/drivers/scsi/bfa/fcs_fabric.h
+++ b/drivers/scsi/bfa/fcs_fabric.h
@@ -47,6 +47,7 @@ void            bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric,
 			struct fchs_s *fchs, u16 len);
 u16        bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric);
 bfa_boolean_t   bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric);
+bfa_boolean_t	bfa_fcs_fabric_is_auth_failed(struct bfa_fcs_fabric_s *fabric);
 enum bfa_pport_type bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric);
 void     	bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric);
 void bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric);
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_auth.h b/drivers/scsi/bfa/include/defs/bfa_defs_auth.h
index dd19c83..45df328 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_auth.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_auth.h
@@ -23,6 +23,7 @@
 #define PRIVATE_KEY			19009
 #define KEY_LEN				32399
 #define BFA_AUTH_SECRET_STRING_LEN	256
+#define BFA_AUTH_FAIL_NO_PASSWORD	0xFE
 #define BFA_AUTH_FAIL_TIMEOUT		0xFF
 
 /**
@@ -41,6 +42,27 @@ enum bfa_auth_status {
 	BFA_AUTH_STATUS_UNKNOWN = 9,	/*  authentication status unknown */
 };
 
+enum bfa_auth_rej_code {
+	BFA_AUTH_RJT_CODE_AUTH_FAILURE   = 1, /* auth failure */
+	BFA_AUTH_RJT_CODE_LOGICAL_ERR    = 2, /* logical error */
+};
+
+/**
+ * Authentication reject codes
+ */
+enum bfa_auth_rej_code_exp {
+	BFA_AUTH_MECH_NOT_USABLE        = 1, /* auth. mechanism not usable */
+	BFA_AUTH_DH_GROUP_NOT_USABLE    = 2, /* DH Group not usable */
+	BFA_AUTH_HASH_FUNC_NOT_USABLE   = 3, /* hash Function not usable */
+	BFA_AUTH_AUTH_XACT_STARTED      = 4, /* auth xact started */
+	BFA_AUTH_AUTH_FAILED            = 5, /* auth failed */
+	BFA_AUTH_INCORRECT_PLD          = 6, /* incorrect payload */
+	BFA_AUTH_INCORRECT_PROTO_MSG    = 7, /* incorrect proto msg */
+	BFA_AUTH_RESTART_AUTH_PROTO     = 8, /* restart auth protocol */
+	BFA_AUTH_AUTH_CONCAT_NOT_SUPP   = 9, /* auth concat not supported */
+	BFA_AUTH_PROTO_VER_NOT_SUPP     = 10,/* proto version not supported */
+};
+
 struct auth_proto_stats_s {
 	u32        auth_rjts;
 	u32        auth_negs;
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_pport.h b/drivers/scsi/bfa/include/defs/bfa_defs_pport.h
index bf32041..88662a1 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_pport.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_pport.h
@@ -232,7 +232,7 @@ struct bfa_pport_attr_s {
 	u32        	pid;		/*  port ID */
 	enum bfa_pport_type 	port_type;	/*  current topology */
 	u32        	loopback;	/*  external loopback */
-	u32		rsvd1;
+	u32		authfail;	/* auth fail state */
 	u32		rsvd2;		/*  padding for 64 bit */
 };
 
@@ -247,7 +247,7 @@ struct bfa_pport_fc_stats_s {
 	u64        rx_words;	/*  received words */
 	u64        lip_count;	/*  LIPs seen */
 	u64        nos_count;	/*  NOS count */
-	u64        error_frames;	/*  errored frames (sent?) */
+	u64        error_frames;	/*  errored frames */
 	u64        dropped_frames;	/*  dropped frames */
 	u64        link_failures;	/*  link failure count */
 	u64        loss_of_syncs;	/*  loss of sync count */
-- 
1.6.5.3

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