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Commit d00efe3f authored by Mike Christie's avatar Mike Christie Committed by James Bottomley
Browse files

[SCSI] qla4xxx: add support for set_net_config



Allows user space (iscsiadm) to send down network configuration
parameters for LLD to set private network configuration on the iSCSI
adapters.

Based on patches from Vikas Chaudhary.

Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 56c155b5
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+77 −0
Original line number Original line Diff line number Diff line
@@ -434,6 +434,14 @@ struct qla_flt_region {
#define ACB_STATE_VALID		0x05
#define ACB_STATE_VALID		0x05
#define ACB_STATE_DISABLING	0x06
#define ACB_STATE_DISABLING	0x06


/* FLASH offsets */
#define FLASH_SEGMENT_IFCB	0x04000000

#define FLASH_OPT_RMW_HOLD	0
#define FLASH_OPT_RMW_INIT	1
#define FLASH_OPT_COMMIT	2
#define FLASH_OPT_RMW_COMMIT	3

/*************************************************************************/
/*************************************************************************/


/* Host Adapter Initialization Control Block (from host) */
/* Host Adapter Initialization Control Block (from host) */
@@ -473,6 +481,7 @@ struct addr_ctrl_blk {


	uint16_t iscsi_opts;	/* 30-31 */
	uint16_t iscsi_opts;	/* 30-31 */
	uint16_t ipv4_tcp_opts;	/* 32-33 */
	uint16_t ipv4_tcp_opts;	/* 32-33 */
#define TCPOPT_DHCP_ENABLE		0x0200
	uint16_t ipv4_ip_opts;	/* 34-35 */
	uint16_t ipv4_ip_opts;	/* 34-35 */
#define  IPOPT_IPv4_PROTOCOL_ENABLE	0x8000
#define  IPOPT_IPv4_PROTOCOL_ENABLE	0x8000


@@ -574,6 +583,74 @@ struct init_fw_ctrl_blk {
/*	struct addr_ctrl_blk sec;*/
/*	struct addr_ctrl_blk sec;*/
};
};


struct addr_ctrl_blk_def {
	uint8_t reserved1[1];	/* 00 */
	uint8_t control;	/* 01 */
	uint8_t reserved2[11];	/* 02-0C */
	uint8_t inst_num;	/* 0D */
	uint8_t reserved3[34];	/* 0E-2F */
	uint16_t iscsi_opts;	/* 30-31 */
	uint16_t ipv4_tcp_opts;	/* 32-33 */
	uint16_t ipv4_ip_opts;	/* 34-35 */
	uint16_t iscsi_max_pdu_size;	/* 36-37 */
	uint8_t ipv4_tos;	/* 38 */
	uint8_t ipv4_ttl;	/* 39 */
	uint8_t reserved4[2];	/* 3A-3B */
	uint16_t def_timeout;	/* 3C-3D */
	uint16_t iscsi_fburst_len;	/* 3E-3F */
	uint8_t reserved5[4];	/* 40-43 */
	uint16_t iscsi_max_outstnd_r2t;	/* 44-45 */
	uint8_t reserved6[2];	/* 46-47 */
	uint16_t ipv4_port;	/* 48-49 */
	uint16_t iscsi_max_burst_len;	/* 4A-4B */
	uint8_t reserved7[4];	/* 4C-4F */
	uint8_t ipv4_addr[4];	/* 50-53 */
	uint16_t ipv4_vlan_tag;	/* 54-55 */
	uint8_t ipv4_addr_state;	/* 56 */
	uint8_t ipv4_cacheid;	/* 57 */
	uint8_t reserved8[8];	/* 58-5F */
	uint8_t ipv4_subnet[4];	/* 60-63 */
	uint8_t reserved9[12];	/* 64-6F */
	uint8_t ipv4_gw_addr[4];	/* 70-73 */
	uint8_t reserved10[84];	/* 74-C7 */
	uint8_t abort_timer;	/* C8    */
	uint8_t ipv4_tcp_wsf;	/* C9    */
	uint8_t reserved11[10];	/* CA-D3 */
	uint8_t ipv4_dhcp_vid_len;	/* D4 */
	uint8_t ipv4_dhcp_vid[11];	/* D5-DF */
	uint8_t reserved12[20];	/* E0-F3 */
	uint8_t ipv4_dhcp_alt_cid_len;	/* F4 */
	uint8_t ipv4_dhcp_alt_cid[11];	/* F5-FF */
	uint8_t iscsi_name[224];	/* 100-1DF */
	uint8_t reserved13[32];	/* 1E0-1FF */
	uint32_t cookie;	/* 200-203 */
	uint16_t ipv6_port;	/* 204-205 */
	uint16_t ipv6_opts;	/* 206-207 */
	uint16_t ipv6_addtl_opts;	/* 208-209 */
	uint16_t ipv6_tcp_opts;		/* 20A-20B */
	uint8_t ipv6_tcp_wsf;		/* 20C */
	uint16_t ipv6_flow_lbl;		/* 20D-20F */
	uint8_t ipv6_dflt_rtr_addr[16];	/* 210-21F */
	uint16_t ipv6_vlan_tag;		/* 220-221 */
	uint8_t ipv6_lnk_lcl_addr_state;	/* 222 */
	uint8_t ipv6_addr0_state;	/* 223 */
	uint8_t ipv6_addr1_state;	/* 224 */
	uint8_t ipv6_dflt_rtr_state;	/* 225 */
	uint8_t ipv6_traffic_class;	/* 226 */
	uint8_t ipv6_hop_limit;		/* 227 */
	uint8_t ipv6_if_id[8];		/* 228-22F */
	uint8_t ipv6_addr0[16];		/* 230-23F */
	uint8_t ipv6_addr1[16];		/* 240-24F */
	uint32_t ipv6_nd_reach_time;	/* 250-253 */
	uint32_t ipv6_nd_rexmit_timer;	/* 254-257 */
	uint32_t ipv6_nd_stale_timeout;	/* 258-25B */
	uint8_t ipv6_dup_addr_detect_count;	/* 25C */
	uint8_t ipv6_cache_id;		/* 25D */
	uint8_t reserved14[18];		/* 25E-26F */
	uint32_t ipv6_gw_advrt_mtu;	/* 270-273 */
	uint8_t reserved15[140];	/* 274-2FF */
};

/*************************************************************************/
/*************************************************************************/


struct dev_db_entry {
struct dev_db_entry {
+18 −2
Original line number Original line Diff line number Diff line
@@ -52,7 +52,17 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,


int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
			  dma_addr_t fw_ddb_entry_dma);
			  dma_addr_t fw_ddb_entry_dma);

uint8_t qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
			 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma);
int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
				   uint16_t fw_ddb_index,
				   uint16_t connection_id,
				   uint16_t option);
int qla4xxx_disable_acb(struct scsi_qla_host *ha);
int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
		    uint32_t *mbox_sts, dma_addr_t acb_dma);
int qla4xxx_get_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
		    uint32_t *mbox_sts, dma_addr_t acb_dma);
void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
				 struct ddb_entry *ddb_entry);
				 struct ddb_entry *ddb_entry);
u16 rd_nvram_word(struct scsi_qla_host *ha, int offset);
u16 rd_nvram_word(struct scsi_qla_host *ha, int offset);
@@ -75,7 +85,8 @@ void qla4xxx_dump_buffer(void *b, uint32_t size);
int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod);
	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod);
int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err);
int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err);

int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
		      uint32_t offset, uint32_t length, uint32_t options);
int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
		uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts);
		uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts);


@@ -95,6 +106,11 @@ void qla4xxx_wake_dpc(struct scsi_qla_host *ha);
void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha);
void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha);
void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha);
void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha);
void qla4xxx_dump_registers(struct scsi_qla_host *ha);
void qla4xxx_dump_registers(struct scsi_qla_host *ha);
uint8_t qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
				  uint32_t *mbox_cmd,
				  uint32_t *mbox_sts,
				  struct addr_ctrl_blk *init_fw_cb,
				  dma_addr_t init_fw_cb_dma);


void qla4_8xxx_pci_config(struct scsi_qla_host *);
void qla4_8xxx_pci_config(struct scsi_qla_host *);
int qla4_8xxx_iospace_config(struct scsi_qla_host *ha);
int qla4_8xxx_iospace_config(struct scsi_qla_host *ha);
+117 −2
Original line number Original line Diff line number Diff line
@@ -303,7 +303,7 @@ qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
	return QLA_SUCCESS;
	return QLA_SUCCESS;
}
}


static uint8_t
uint8_t
qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
{
{
@@ -363,7 +363,7 @@ qla4xxx_update_local_ip(struct scsi_qla_host *ha,
	}
	}
}
}


static uint8_t
uint8_t
qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
			  uint32_t *mbox_cmd,
			  uint32_t *mbox_cmd,
			  uint32_t *mbox_sts,
			  uint32_t *mbox_sts,
@@ -1207,3 +1207,118 @@ int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port)
	return ret_val;
	return ret_val;
}
}


int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
		      uint32_t offset, uint32_t length, uint32_t options)
{
	uint32_t mbox_cmd[MBOX_REG_COUNT];
	uint32_t mbox_sts[MBOX_REG_COUNT];
	int status = QLA_SUCCESS;

	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
	memset(&mbox_sts, 0, sizeof(mbox_sts));

	mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
	mbox_cmd[1] = LSDW(dma_addr);
	mbox_cmd[2] = MSDW(dma_addr);
	mbox_cmd[3] = offset;
	mbox_cmd[4] = length;
	mbox_cmd[5] = options;

	status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
	if (status != QLA_SUCCESS) {
		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
				  "failed w/ status %04X, mbx1 %04X\n",
				  __func__, mbox_sts[0], mbox_sts[1]));
	}
	return status;
}

int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
				   uint16_t fw_ddb_index,
				   uint16_t connection_id,
				   uint16_t option)
{
	uint32_t mbox_cmd[MBOX_REG_COUNT];
	uint32_t mbox_sts[MBOX_REG_COUNT];
	int status = QLA_SUCCESS;

	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
	memset(&mbox_sts, 0, sizeof(mbox_sts));

	mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
	mbox_cmd[1] = fw_ddb_index;
	mbox_cmd[2] = connection_id;
	mbox_cmd[3] = option;

	status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
	if (status != QLA_SUCCESS) {
		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
				  "option %04x failed w/ status %04X %04X\n",
				  __func__, option, mbox_sts[0], mbox_sts[1]));
	}
	return status;
}

int qla4xxx_disable_acb(struct scsi_qla_host *ha)
{
	uint32_t mbox_cmd[MBOX_REG_COUNT];
	uint32_t mbox_sts[MBOX_REG_COUNT];
	int status = QLA_SUCCESS;

	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
	memset(&mbox_sts, 0, sizeof(mbox_sts));

	mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;

	status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
	if (status != QLA_SUCCESS) {
		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
				  "failed w/ status %04X %04X %04X", __func__,
				  mbox_sts[0], mbox_sts[1], mbox_sts[2]));
	}
	return status;
}

int qla4xxx_get_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
		    uint32_t *mbox_sts, dma_addr_t acb_dma)
{
	int status = QLA_SUCCESS;

	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
	mbox_cmd[0] = MBOX_CMD_GET_ACB;
	mbox_cmd[1] = 0; /* Primary ACB */
	mbox_cmd[2] = LSDW(acb_dma);
	mbox_cmd[3] = MSDW(acb_dma);
	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);

	status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
	if (status != QLA_SUCCESS) {
		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
				  "failed w/ status %04X\n", __func__,
				  mbox_sts[0]));
	}
	return status;
}

int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
		    uint32_t *mbox_sts, dma_addr_t acb_dma)
{
	int status = QLA_SUCCESS;

	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
	mbox_cmd[0] = MBOX_CMD_SET_ACB;
	mbox_cmd[1] = 0; /* Primary ACB */
	mbox_cmd[2] = LSDW(acb_dma);
	mbox_cmd[3] = MSDW(acb_dma);
	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);

	status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
	if (status != QLA_SUCCESS) {
		DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
				  "failed w/ status %04X\n", __func__,
				  mbox_sts[0]));
	}
	return status;
}
+282 −0
Original line number Original line Diff line number Diff line
@@ -80,6 +80,8 @@ static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
				  enum iscsi_param param, char *buf);
				  enum iscsi_param param, char *buf);
static int qla4xxx_host_get_param(struct Scsi_Host *shost,
static int qla4xxx_host_get_param(struct Scsi_Host *shost,
				  enum iscsi_host_param param, char *buf);
				  enum iscsi_host_param param, char *buf);
static int qla4xxx_iface_set_param(struct Scsi_Host *shost, char *data,
				   int count);
static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session);
static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session);
static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);


@@ -142,6 +144,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
	.get_conn_param		= qla4xxx_conn_get_param,
	.get_conn_param		= qla4xxx_conn_get_param,
	.get_session_param	= qla4xxx_sess_get_param,
	.get_session_param	= qla4xxx_sess_get_param,
	.get_host_param		= qla4xxx_host_get_param,
	.get_host_param		= qla4xxx_host_get_param,
	.set_iface_param	= qla4xxx_iface_set_param,
	.session_recovery_timedout = qla4xxx_recovery_timedout,
	.session_recovery_timedout = qla4xxx_recovery_timedout,
};
};


@@ -202,6 +205,285 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost,
	return len;
	return len;
}
}


static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
			     struct iscsi_iface_param_info *iface_param,
			     struct addr_ctrl_blk *init_fw_cb)
{
	/*
	 * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
	 * iface_num 1 is valid only for IPv6 Addr.
	 */
	switch (iface_param->param) {
	case ISCSI_NET_PARAM_IPV6_ADDR:
		if (iface_param->iface_num & 0x1)
			/* IPv6 Addr 1 */
			memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
			       sizeof(init_fw_cb->ipv6_addr1));
		else
			/* IPv6 Addr 0 */
			memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
			       sizeof(init_fw_cb->ipv6_addr0));
		break;
	case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
		if (iface_param->iface_num & 0x1)
			break;
		memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
		       sizeof(init_fw_cb->ipv6_if_id));
		break;
	case ISCSI_NET_PARAM_IPV6_ROUTER:
		if (iface_param->iface_num & 0x1)
			break;
		memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
		       sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
		break;
	case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
		/* Autocfg applies to even interface */
		if (iface_param->iface_num & 0x1)
			break;

		if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
			init_fw_cb->ipv6_addtl_opts &=
				cpu_to_le16(
				  ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
		else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
			init_fw_cb->ipv6_addtl_opts |=
				cpu_to_le16(
				  IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
		else
			ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
				   "IPv6 addr\n");
		break;
	case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
		/* Autocfg applies to even interface */
		if (iface_param->iface_num & 0x1)
			break;

		if (iface_param->value[0] ==
		    ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
			init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
					IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
		else if (iface_param->value[0] ==
			 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
			init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
				       ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
		else
			ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
				   "IPv6 linklocal addr\n");
		break;
	case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
		/* Autocfg applies to even interface */
		if (iface_param->iface_num & 0x1)
			break;

		if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
			memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
			       sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
		break;
	case ISCSI_NET_PARAM_IFACE_ENABLE:
		if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
			init_fw_cb->ipv6_opts |=
				cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
		else
			init_fw_cb->ipv6_opts &=
				cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
					    0xFFFF);
		break;
	case ISCSI_NET_PARAM_VLAN_ID:
		if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
			break;
		init_fw_cb->ipv6_vlan_tag = *(uint16_t *)iface_param->value;
		break;
	default:
		ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
			   iface_param->param);
		break;
	}
}

static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
			     struct iscsi_iface_param_info *iface_param,
			     struct addr_ctrl_blk *init_fw_cb)
{
	switch (iface_param->param) {
	case ISCSI_NET_PARAM_IPV4_ADDR:
		memcpy(init_fw_cb->ipv4_addr, iface_param->value,
		       sizeof(init_fw_cb->ipv4_addr));
		break;
	case ISCSI_NET_PARAM_IPV4_SUBNET:
		memcpy(init_fw_cb->ipv4_subnet,	iface_param->value,
		       sizeof(init_fw_cb->ipv4_subnet));
		break;
	case ISCSI_NET_PARAM_IPV4_GW:
		memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
		       sizeof(init_fw_cb->ipv4_gw_addr));
		break;
	case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
		if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
			init_fw_cb->ipv4_tcp_opts |=
					cpu_to_le16(TCPOPT_DHCP_ENABLE);
		else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
			init_fw_cb->ipv4_tcp_opts &=
					cpu_to_le16(~TCPOPT_DHCP_ENABLE);
		else
			ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
		break;
	case ISCSI_NET_PARAM_IFACE_ENABLE:
		if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
			init_fw_cb->ipv4_ip_opts |=
				cpu_to_le16(IPOPT_IPv4_PROTOCOL_ENABLE);
		else
			init_fw_cb->ipv4_ip_opts &=
				cpu_to_le16(~IPOPT_IPv4_PROTOCOL_ENABLE &
					    0xFFFF);
		break;
	case ISCSI_NET_PARAM_VLAN_ID:
		if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
			break;
		init_fw_cb->ipv4_vlan_tag = *(uint16_t *)iface_param->value;
		break;
	default:
		ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
			   iface_param->param);
		break;
	}
}

static void
qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
{
	struct addr_ctrl_blk_def *acb;
	acb = (struct addr_ctrl_blk_def *)init_fw_cb;
	memset(acb->reserved1, 0, sizeof(acb->reserved1));
	memset(acb->reserved2, 0, sizeof(acb->reserved2));
	memset(acb->reserved3, 0, sizeof(acb->reserved3));
	memset(acb->reserved4, 0, sizeof(acb->reserved4));
	memset(acb->reserved5, 0, sizeof(acb->reserved5));
	memset(acb->reserved6, 0, sizeof(acb->reserved6));
	memset(acb->reserved7, 0, sizeof(acb->reserved7));
	memset(acb->reserved8, 0, sizeof(acb->reserved8));
	memset(acb->reserved9, 0, sizeof(acb->reserved9));
	memset(acb->reserved10, 0, sizeof(acb->reserved10));
	memset(acb->reserved11, 0, sizeof(acb->reserved11));
	memset(acb->reserved12, 0, sizeof(acb->reserved12));
	memset(acb->reserved13, 0, sizeof(acb->reserved13));
	memset(acb->reserved14, 0, sizeof(acb->reserved14));
	memset(acb->reserved15, 0, sizeof(acb->reserved15));
}

static int
qla4xxx_iface_set_param(struct Scsi_Host *shost, char *data, int count)
{
	struct scsi_qla_host *ha = to_qla_host(shost);
	int rval = 0;
	struct iscsi_iface_param_info *iface_param = NULL;
	struct addr_ctrl_blk *init_fw_cb = NULL;
	dma_addr_t init_fw_cb_dma;
	uint32_t mbox_cmd[MBOX_REG_COUNT];
	uint32_t mbox_sts[MBOX_REG_COUNT];
	uint32_t total_param_count;
	uint32_t length;

	init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
					sizeof(struct addr_ctrl_blk),
					&init_fw_cb_dma, GFP_KERNEL);
	if (!init_fw_cb) {
		ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
			   __func__);
		return -ENOMEM;
	}

	memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
	memset(&mbox_sts, 0, sizeof(mbox_sts));

	if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
		ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
		rval = -EIO;
		goto exit_init_fw_cb;
	}

	total_param_count = count;
	iface_param = (struct iscsi_iface_param_info *)data;

	for ( ; total_param_count != 0; total_param_count--) {
		length = iface_param->len;

		if (iface_param->param_type != ISCSI_NET_PARAM)
			continue;

		switch (iface_param->iface_type) {
		case ISCSI_IFACE_TYPE_IPV4:
			switch (iface_param->iface_num) {
			case 0:
				qla4xxx_set_ipv4(ha, iface_param, init_fw_cb);
				break;
			default:
				/* Cannot have more than one IPv4 interface */
				ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface "
					   "number = %d\n",
					   iface_param->iface_num);
				break;
			}
			break;
		case ISCSI_IFACE_TYPE_IPV6:
			switch (iface_param->iface_num) {
			case 0:
			case 1:
				qla4xxx_set_ipv6(ha, iface_param, init_fw_cb);
				break;
			default:
				/* Cannot have more than two IPv6 interface */
				ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface "
					   "number = %d\n",
					   iface_param->iface_num);
				break;
			}
			break;
		default:
			ql4_printk(KERN_ERR, ha, "Invalid iface type\n");
			break;
		}

		iface_param = (struct iscsi_iface_param_info *)
						((uint8_t *)iface_param +
			    sizeof(struct iscsi_iface_param_info) + length);
	}

	init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);

	rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
				 sizeof(struct addr_ctrl_blk),
				 FLASH_OPT_RMW_COMMIT);
	if (rval != QLA_SUCCESS) {
		ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
			   __func__);
		rval = -EIO;
		goto exit_init_fw_cb;
	}

	qla4xxx_disable_acb(ha);

	qla4xxx_initcb_to_acb(init_fw_cb);

	rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
	if (rval != QLA_SUCCESS) {
		ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
			   __func__);
		rval = -EIO;
		goto exit_init_fw_cb;
	}

	memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
	qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
				  init_fw_cb_dma);

exit_init_fw_cb:
	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
			  init_fw_cb, init_fw_cb_dma);

	return rval;
}

static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
				  enum iscsi_param param, char *buf)
				  enum iscsi_param param, char *buf)
{
{