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[SCSI] be2iscsi: Add support for configuring the VLAN on the adapter.

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Add support for configuring the VLAN parameters on the adapter
using the iscsiadm interface.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
John Soni Jose 2012-08-20 23:00:43 +05:30 committed by James Bottomley
parent df5d0e6ee9
commit 6f72238e77
5 changed files with 177 additions and 0 deletions
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42
drivers/scsi/be2iscsi/be_cmds.c
View File

@ -934,3 +934,45 @@ int beiscsi_cmd_reset_function(struct beiscsi_hba *phba)
spin_unlock(&ctrl->mbox_lock);
return status;
}
/**
* be_cmd_set_vlan()- Configure VLAN paramters on the adapter
* @phba: device priv structure instance
* @vlan_tag: TAG to be set
*
* Set the VLAN_TAG for the adapter or Disable VLAN on adapter
*
* returns
* TAG for the MBX Cmd
* **/
int be_cmd_set_vlan(struct beiscsi_hba *phba,
uint16_t vlan_tag)
{
unsigned int tag = 0;
struct be_mcc_wrb *wrb;
struct be_cmd_set_vlan_req *req;
struct be_ctrl_info *ctrl = &phba->ctrl;
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
wrb = wrb_from_mccq(phba);
req = embedded_payload(wrb);
wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*wrb), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_NTWK_SET_VLAN,
sizeof(*req));
req->interface_hndl = phba->interface_handle;
req->vlan_priority = vlan_tag;
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}

9
drivers/scsi/be2iscsi/be_cmds.h
View File

@ -449,6 +449,12 @@ struct be_cmd_get_def_gateway_resp {
struct ip_addr_format ip_addr;
} __packed;
#define BEISCSI_VLAN_DISABLE 0xFFFF
struct be_cmd_set_vlan_req {
struct be_cmd_req_hdr hdr;
u32 interface_hndl;
u32 vlan_priority;
} __packed;
/******************** Create CQ ***************************/
/**
* Pseudo amap definition in which each bit of the actual structure is defined
@ -688,6 +694,9 @@ int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
bool is_link_state_evt(u32 trailer);
/* Configuration Functions */
int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
struct be_default_pdu_context {
u32 dw[4];
} __packed;

76
drivers/scsi/be2iscsi/be_iscsi.c
View File

@ -332,6 +332,51 @@ beiscsi_set_static_ip(struct Scsi_Host *shost,
return ret;
}
/**
* beiscsi_set_vlan_tag()- Set the VLAN TAG
* @shost: Scsi Host for the driver instance
* @iface_param: Interface paramters
*
* Set the VLAN TAG for the adapter or disable
* the VLAN config
*
* returns
* Success: 0
* Failure: Non-Zero Value
**/
static int
beiscsi_set_vlan_tag(struct Scsi_Host *shost,
struct iscsi_iface_param_info *iface_param)
{
struct beiscsi_hba *phba = iscsi_host_priv(shost);
int ret = 0;
/* Get the Interface Handle */
if (mgmt_get_all_if_id(phba)) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Getting Interface Handle Failed\n");
return -EIO;
}
switch (iface_param->param) {
case ISCSI_NET_PARAM_VLAN_ENABLED:
if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
ret = mgmt_set_vlan(phba, BEISCSI_VLAN_DISABLE);
break;
case ISCSI_NET_PARAM_VLAN_TAG:
ret = mgmt_set_vlan(phba,
*((uint16_t *)iface_param->value));
break;
default:
beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
"BS_%d : Unkown Param Type : %d\n",
iface_param->param);
return -ENOSYS;
}
return ret;
}
static int
beiscsi_set_ipv4(struct Scsi_Host *shost,
struct iscsi_iface_param_info *iface_param,
@ -368,6 +413,10 @@ beiscsi_set_ipv4(struct Scsi_Host *shost,
ret = beiscsi_set_static_ip(shost, iface_param,
data, dt_len);
break;
case ISCSI_NET_PARAM_VLAN_ENABLED:
case ISCSI_NET_PARAM_VLAN_TAG:
ret = beiscsi_set_vlan_tag(shost, iface_param);
break;
default:
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : Param %d not supported\n",
@ -489,6 +538,27 @@ static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
case ISCSI_NET_PARAM_IPV4_SUBNET:
len = sprintf(buf, "%pI4\n", &if_info.ip_addr.subnet_mask);
break;
case ISCSI_NET_PARAM_VLAN_ENABLED:
len = sprintf(buf, "%s\n",
(if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
? "Disabled" : "Enabled");
break;
case ISCSI_NET_PARAM_VLAN_ID:
if (if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
return -EINVAL;
else
len = sprintf(buf, "%d\n",
(if_info.vlan_priority &
ISCSI_MAX_VLAN_ID));
break;
case ISCSI_NET_PARAM_VLAN_PRIORITY:
if (if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
return -EINVAL;
else
len = sprintf(buf, "%d\n",
((if_info.vlan_priority >> 13) &
ISCSI_MAX_VLAN_PRIORITY));
break;
default:
WARN_ON(1);
}
@ -510,6 +580,9 @@ int be2iscsi_iface_get_param(struct iscsi_iface *iface,
case ISCSI_NET_PARAM_IPV4_SUBNET:
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
case ISCSI_NET_PARAM_IPV6_ADDR:
case ISCSI_NET_PARAM_VLAN_ENABLED:
case ISCSI_NET_PARAM_VLAN_ID:
case ISCSI_NET_PARAM_VLAN_PRIORITY:
len = be2iscsi_get_if_param(phba, iface, param, buf);
break;
case ISCSI_NET_PARAM_IFACE_ENABLE:
@ -1233,6 +1306,9 @@ umode_t be2iscsi_attr_is_visible(int param_type, int param)
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
case ISCSI_NET_PARAM_IPV4_GW:
case ISCSI_NET_PARAM_IPV6_ADDR:
case ISCSI_NET_PARAM_VLAN_ID:
case ISCSI_NET_PARAM_VLAN_PRIORITY:
case ISCSI_NET_PARAM_VLAN_ENABLED:
return S_IRUGO;
default:
return 0;

46
drivers/scsi/be2iscsi/be_mgmt.c
View File

@ -1090,3 +1090,49 @@ int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
"BG_%d : Login to Boot Target Failed\n");
return -ENXIO;
}
/**
* mgmt_set_vlan()- Issue and wait for CMD completion
* @phba: device private structure instance
* @vlan_tag: VLAN tag
*
* Issue the MBX Cmd and wait for the completion of the
* command.
*
* returns
* Success: 0
* Failure: Non-Xero Value
**/
int mgmt_set_vlan(struct beiscsi_hba *phba,
uint16_t vlan_tag)
{
unsigned int tag, wrb_num;
unsigned short status, extd_status;
tag = be_cmd_set_vlan(phba, vlan_tag);
if (!tag) {
beiscsi_log(phba, KERN_ERR,
(BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
"BG_%d : VLAN Setting Failed\n");
return -EBUSY;
} else
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
if (status || extd_status) {
beiscsi_log(phba, KERN_ERR,
(BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
"BS_%d : status : %d extd_status : %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
return -EAGAIN;
}
free_mcc_tag(&phba->ctrl, tag);
return 0;
}

4
drivers/scsi/be2iscsi/be_mgmt.h
View File

@ -296,4 +296,8 @@ int mgmt_set_gateway(struct beiscsi_hba *phba,
int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
unsigned int *s_handle);
unsigned int mgmt_get_all_if_id(struct beiscsi_hba *phba);
int mgmt_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
#endif