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path: root/drivers/scsi/libfc/fc_lport.c
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Diffstat (limited to 'drivers/scsi/libfc/fc_lport.c')
-rw-r--r--drivers/scsi/libfc/fc_lport.c88
1 files changed, 81 insertions, 7 deletions
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index cf36c8cb5493..19cd4a95d354 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -93,7 +93,10 @@
#define FC_LOCAL_PTP_FID_LO 0x010101
#define FC_LOCAL_PTP_FID_HI 0x010102
-#define DNS_DELAY 3 /* Discovery delay after RSCN (in seconds)*/
+#define DNS_DELAY 3 /* Discovery delay after RSCN (in seconds)*/
+#define MAX_CT_PAYLOAD 2048
+#define DISCOVERED_PORTS 4
+#define NUMBER_OF_PORTS 1
static void fc_lport_error(struct fc_lport *, struct fc_frame *);
@@ -1185,7 +1188,7 @@ static void fc_lport_ms_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_lport *lport = lp_arg;
struct fc_frame_header *fh;
struct fc_ct_hdr *ct;
-
+ struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);
FC_LPORT_DBG(lport, "Received a ms %s\n", fc_els_resp_type(fp));
if (fp == ERR_PTR(-FC_EX_CLOSED))
@@ -1219,7 +1222,13 @@ static void fc_lport_ms_resp(struct fc_seq *sp, struct fc_frame *fp,
switch (lport->state) {
case LPORT_ST_RHBA:
- if (ntohs(ct->ct_cmd) == FC_FS_ACC)
+ if ((ntohs(ct->ct_cmd) == FC_FS_RJT) && fc_host->fdmi_version == FDMI_V2) {
+ FC_LPORT_DBG(lport, "Error for FDMI-V2, fall back to FDMI-V1\n");
+ fc_host->fdmi_version = FDMI_V1;
+
+ fc_lport_enter_ms(lport, LPORT_ST_RHBA);
+
+ } else if (ntohs(ct->ct_cmd) == FC_FS_ACC)
fc_lport_enter_ms(lport, LPORT_ST_RPA);
else /* Error Skip RPA */
fc_lport_enter_scr(lport);
@@ -1433,7 +1442,7 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
int size = sizeof(struct fc_ct_hdr);
size_t len;
int numattrs;
-
+ struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);
lockdep_assert_held(&lport->lp_mutex);
FC_LPORT_DBG(lport, "Entered %s state from %s state\n",
@@ -1446,10 +1455,10 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
case LPORT_ST_RHBA:
cmd = FC_FDMI_RHBA;
/* Number of HBA Attributes */
- numattrs = 10;
+ numattrs = 11;
len = sizeof(struct fc_fdmi_rhba);
len -= sizeof(struct fc_fdmi_attr_entry);
- len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+
len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
@@ -1460,6 +1469,21 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN;
+
+
+ if (fc_host->fdmi_version == FDMI_V2) {
+ numattrs += 7;
+ len += FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN;
+ len += FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN;
+ len += FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN;
+ len += FC_FDMI_HBA_ATTR_FABRICNAME_LEN;
+ len += FC_FDMI_HBA_ATTR_BIOSVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_BIOSSTATE_LEN;
+ len += FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_LEN;
+ }
+
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
size += len;
break;
@@ -1469,7 +1493,6 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
numattrs = 6;
len = sizeof(struct fc_fdmi_rpa);
len -= sizeof(struct fc_fdmi_attr_entry);
- len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
@@ -1477,6 +1500,22 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
+ if (fc_host->fdmi_version == FDMI_V2) {
+ numattrs += 10;
+ len += FC_FDMI_PORT_ATTR_NODENAME_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTNAME_LEN;
+ len += FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTTYPE_LEN;
+ len += FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN;
+ len += FC_FDMI_PORT_ATTR_FABRICNAME_LEN;
+ len += FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTSTATE_LEN;
+ len += FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTID_LEN;
+ }
+
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+
size += len;
break;
case LPORT_ST_DPRT:
@@ -1546,6 +1585,7 @@ static void fc_lport_timeout(struct work_struct *work)
struct fc_lport *lport =
container_of(work, struct fc_lport,
retry_work.work);
+ struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);
mutex_lock(&lport->lp_mutex);
@@ -1573,6 +1613,13 @@ static void fc_lport_timeout(struct work_struct *work)
fc_lport_enter_fdmi(lport);
break;
case LPORT_ST_RHBA:
+ if (fc_host->fdmi_version == FDMI_V2) {
+ FC_LPORT_DBG(lport, "timeout for FDMI-V2 RHBA,fall back to FDMI-V1\n");
+ fc_host->fdmi_version = FDMI_V1;
+ fc_lport_enter_ms(lport, LPORT_ST_RHBA);
+ break;
+ }
+ fallthrough;
case LPORT_ST_RPA:
case LPORT_ST_DHBA:
case LPORT_ST_DPRT:
@@ -1839,6 +1886,13 @@ EXPORT_SYMBOL(fc_lport_config);
*/
int fc_lport_init(struct fc_lport *lport)
{
+ struct fc_host_attrs *fc_host;
+
+ fc_host = shost_to_fc_host(lport->host);
+
+ /* Set FDMI version to FDMI-2 specification*/
+ fc_host->fdmi_version = FDMI_V2;
+
fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
fc_host_node_name(lport->host) = lport->wwnn;
fc_host_port_name(lport->host) = lport->wwpn;
@@ -1847,6 +1901,7 @@ int fc_lport_init(struct fc_lport *lport)
sizeof(fc_host_supported_fc4s(lport->host)));
fc_host_supported_fc4s(lport->host)[2] = 1;
fc_host_supported_fc4s(lport->host)[7] = 1;
+ fc_host_num_discovered_ports(lport->host) = 4;
/* This value is also unchanging */
memset(fc_host_active_fc4s(lport->host), 0,
@@ -1859,8 +1914,27 @@ int fc_lport_init(struct fc_lport *lport)
fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_1GBIT;
if (lport->link_supported_speeds & FC_PORTSPEED_10GBIT)
fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_10GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_40GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_40GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_100GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_100GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_25GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_25GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_50GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_50GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_100GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_100GBIT;
+
fc_fc4_add_lport(lport);
+ fc_host_num_discovered_ports(lport->host) = DISCOVERED_PORTS;
+ fc_host_port_state(lport->host) = FC_PORTSTATE_ONLINE;
+ fc_host_max_ct_payload(lport->host) = MAX_CT_PAYLOAD;
+ fc_host_num_ports(lport->host) = NUMBER_OF_PORTS;
+ fc_host_bootbios_state(lport->host) = 0X00000000;
+ snprintf(fc_host_bootbios_version(lport->host),
+ FC_SYMBOLIC_NAME_SIZE, "%s", "Unknown");
+
return 0;
}
EXPORT_SYMBOL(fc_lport_init);