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authorMike Christie <michaelc@cs.wisc.edu>2012-04-04 08:41:51 +0400
committerJames Bottomley <JBottomley@Parallels.com>2012-04-25 12:35:31 +0400
commit0e43895ec1f405a25b5d57bc95c11fe17224ec43 (patch)
tree27002f8f9ce3983fdf7e6276532e788f4c8f2185 /drivers/scsi/be2iscsi/be_mgmt.c
parentffce3e2e8ce4ff2ee96df0944ee5daa783d5b2d0 (diff)
downloadlinux-0e43895ec1f405a25b5d57bc95c11fe17224ec43.tar.xz
[SCSI] be2iscsi: adding functionality to change network settings using iscsiadm
This patch allows iscsiadm to set/ delete static IP and enable /disable DHCP. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/be2iscsi/be_mgmt.c')
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c413
1 files changed, 385 insertions, 28 deletions
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index ccc3852a7f30..e6cb10d2e74e 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -23,11 +23,11 @@
#include "be_mgmt.h"
#include "be_iscsi.h"
-unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
+unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
- struct be_cmd_req_get_mac_addr *req;
+ struct be_cmd_get_boot_target_req *req;
unsigned int tag = 0;
SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
@@ -44,22 +44,22 @@ unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba)
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
- sizeof(*req));
+ sizeof(struct be_cmd_get_boot_target_resp));
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
-unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
- u32 boot_session_handle,
- struct be_dma_mem *nonemb_cmd)
+unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
+ u32 boot_session_handle,
+ struct be_dma_mem *nonemb_cmd)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
unsigned int tag = 0;
- struct be_cmd_req_get_session *req;
- struct be_cmd_resp_get_session *resp;
+ struct be_cmd_get_session_req *req;
+ struct be_cmd_get_session_resp *resp;
struct be_sge *sge;
SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n");
@@ -396,7 +396,6 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
struct sockaddr *dst_addr,
struct beiscsi_endpoint *beiscsi_ep,
struct be_dma_mem *nonemb_cmd)
-
{
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
@@ -442,17 +441,17 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
if (dst_addr->sa_family == PF_INET) {
__be32 s_addr = daddr_in->sin_addr.s_addr;
req->ip_address.ip_type = BE2_IPV4;
- req->ip_address.ip_address[0] = s_addr & 0x000000ff;
- req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8;
- req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16;
- req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24;
+ req->ip_address.addr[0] = s_addr & 0x000000ff;
+ req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
+ req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
+ req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
req->tcp_port = ntohs(daddr_in->sin_port);
beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
beiscsi_ep->ip_type = BE2_IPV4;
} else if (dst_addr->sa_family == PF_INET6) {
req->ip_address.ip_type = BE2_IPV6;
- memcpy(&req->ip_address.ip_address,
+ memcpy(&req->ip_address.addr,
&daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
req->tcp_port = ntohs(daddr_in6->sin6_port);
beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
@@ -487,34 +486,392 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
return tag;
}
-unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
+unsigned int mgmt_get_all_if_id(struct beiscsi_hba *phba)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- struct be_cmd_req_get_mac_addr *req;
- unsigned int tag = 0;
+ struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ struct be_cmd_get_all_if_id_req *req = embedded_payload(wrb);
+ struct be_cmd_get_all_if_id_req *pbe_allid = req;
+ int status = 0;
+
+ memset(wrb, 0, sizeof(*wrb));
+
+ spin_lock(&ctrl->mbox_lock);
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
+ sizeof(*req));
+ status = be_mbox_notify(ctrl);
+ if (!status)
+ phba->interface_handle = pbe_allid->if_hndl_list[0];
+ else {
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed in mgmt_get_all_if_id\n");
+ }
+ spin_unlock(&ctrl->mbox_lock);
+
+ return status;
+}
+
+static int mgmt_exec_nonemb_cmd(struct beiscsi_hba *phba,
+ struct be_dma_mem *nonemb_cmd, void *resp_buf,
+ int resp_buf_len)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
+ unsigned short status, extd_status;
+ struct be_sge *sge;
+ unsigned int tag;
+ int rc = 0;
- SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
- return tag;
+ rc = -ENOMEM;
+ goto free_cmd;
}
-
- wrb = wrb_from_mccq(phba);
- req = embedded_payload(wrb);
+ memset(wrb, 0, sizeof(*wrb));
wrb->tag0 |= tag;
- be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
- be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
- OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
- sizeof(*req));
+ sge = nonembedded_sgl(wrb);
+
+ be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd->size);
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
- return tag;
+
+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+ phba->ctrl.mcc_numtag[tag]);
+
+ extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+ status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+ if (status || extd_status) {
+ SE_DEBUG(DBG_LVL_1,
+ "mgmt_exec_nonemb_cmd Failed status = %d"
+ "extd_status = %d\n", status, extd_status);
+ rc = -EIO;
+ goto free_tag;
+ }
+
+ if (resp_buf)
+ memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
+
+free_tag:
+ free_mcc_tag(&phba->ctrl, tag);
+free_cmd:
+ pci_free_consistent(ctrl->pdev, nonemb_cmd->size,
+ nonemb_cmd->va, nonemb_cmd->dma);
+ return rc;
+}
+
+static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd,
+ int iscsi_cmd, int size)
+{
+ cmd->va = pci_alloc_consistent(phba->ctrl.pdev, sizeof(size),
+ &cmd->dma);
+ if (!cmd->va) {
+ SE_DEBUG(DBG_LVL_1, "Failed to allocate memory for if info\n");
+ return -ENOMEM;
+ }
+ memset(cmd->va, 0, sizeof(size));
+ cmd->size = size;
+ be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size);
+ return 0;
}
+static int
+mgmt_static_ip_modify(struct beiscsi_hba *phba,
+ struct be_cmd_get_if_info_resp *if_info,
+ struct iscsi_iface_param_info *ip_param,
+ struct iscsi_iface_param_info *subnet_param,
+ uint32_t ip_action)
+{
+ struct be_cmd_set_ip_addr_req *req;
+ struct be_dma_mem nonemb_cmd;
+ uint32_t ip_type;
+ int rc;
+
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
+ sizeof(*req));
+ if (rc)
+ return rc;
+
+ ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
+ BE2_IPV6 : BE2_IPV4 ;
+
+ req = nonemb_cmd.va;
+ req->ip_params.record_entry_count = 1;
+ req->ip_params.ip_record.action = ip_action;
+ req->ip_params.ip_record.interface_hndl =
+ phba->interface_handle;
+ req->ip_params.ip_record.ip_addr.size_of_structure =
+ sizeof(struct be_ip_addr_subnet_format);
+ req->ip_params.ip_record.ip_addr.ip_type = ip_type;
+
+ if (ip_action == IP_ACTION_ADD) {
+ memcpy(req->ip_params.ip_record.ip_addr.addr, ip_param->value,
+ ip_param->len);
+
+ if (subnet_param)
+ memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
+ subnet_param->value, subnet_param->len);
+ } else {
+ memcpy(req->ip_params.ip_record.ip_addr.addr,
+ if_info->ip_addr.addr, ip_param->len);
+
+ memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
+ if_info->ip_addr.subnet_mask, ip_param->len);
+ }
+
+ rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
+ if (rc < 0)
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed to Modify existing IP Address\n");
+ return rc;
+}
+
+static int mgmt_modify_gateway(struct beiscsi_hba *phba, uint8_t *gt_addr,
+ uint32_t gtway_action, uint32_t param_len)
+{
+ struct be_cmd_set_def_gateway_req *req;
+ struct be_dma_mem nonemb_cmd;
+ int rt_val;
+
+
+ rt_val = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
+ sizeof(*req));
+ if (rt_val)
+ return rt_val;
+
+ req = nonemb_cmd.va;
+ req->action = gtway_action;
+ req->ip_addr.ip_type = BE2_IPV4;
+
+ memcpy(req->ip_addr.addr, gt_addr, param_len);
+
+ return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
+}
+
+int mgmt_set_ip(struct beiscsi_hba *phba,
+ struct iscsi_iface_param_info *ip_param,
+ struct iscsi_iface_param_info *subnet_param,
+ uint32_t boot_proto)
+{
+ struct be_cmd_get_def_gateway_resp gtway_addr_set;
+ struct be_cmd_get_if_info_resp if_info;
+ struct be_cmd_set_dhcp_req *dhcpreq;
+ struct be_cmd_rel_dhcp_req *reldhcp;
+ struct be_dma_mem nonemb_cmd;
+ uint8_t *gtway_addr;
+ uint32_t ip_type;
+ int rc;
+
+ if (mgmt_get_all_if_id(phba))
+ return -EIO;
+
+ memset(&if_info, 0, sizeof(if_info));
+ ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
+ BE2_IPV6 : BE2_IPV4 ;
+
+ rc = mgmt_get_if_info(phba, ip_type, &if_info);
+ if (rc)
+ return rc;
+
+ if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
+ if (if_info.dhcp_state) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "DHCP Already Enabled\n");
+ return 0;
+ }
+ /* The ip_param->len is 1 in DHCP case. Setting
+ proper IP len as this it is used while
+ freeing the Static IP.
+ */
+ ip_param->len = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
+ IP_V6_LEN : IP_V4_LEN;
+
+ } else {
+ if (if_info.dhcp_state) {
+
+ memset(&if_info, 0, sizeof(if_info));
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
+ sizeof(*reldhcp));
+
+ if (rc)
+ return rc;
+
+ reldhcp = nonemb_cmd.va;
+ reldhcp->interface_hndl = phba->interface_handle;
+ reldhcp->ip_type = ip_type;
+
+ rc = mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
+ if (rc < 0) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed to Delete existing dhcp\n");
+ return rc;
+ }
+ }
+ }
+
+ /* Delete the Static IP Set */
+ if (if_info.ip_addr.addr[0]) {
+ rc = mgmt_static_ip_modify(phba, &if_info, ip_param, NULL,
+ IP_ACTION_DEL);
+ if (rc)
+ return rc;
+ }
+
+ /* Delete the Gateway settings if mode change is to DHCP */
+ if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
+ memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
+ rc = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
+ if (rc) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed to Get Gateway Addr\n");
+ return rc;
+ }
+
+ if (gtway_addr_set.ip_addr.addr[0]) {
+ gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
+ rc = mgmt_modify_gateway(phba, gtway_addr,
+ IP_ACTION_DEL, IP_V4_LEN);
+
+ if (rc) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed to clear Gateway Addr Set\n");
+ return rc;
+ }
+ }
+ }
+
+ /* Set Adapter to DHCP/Static Mode */
+ if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
+ sizeof(*dhcpreq));
+ if (rc)
+ return rc;
+
+ dhcpreq = nonemb_cmd.va;
+ dhcpreq->flags = BLOCKING;
+ dhcpreq->retry_count = 1;
+ dhcpreq->interface_hndl = phba->interface_handle;
+ dhcpreq->ip_type = BE2_DHCP_V4;
+
+ return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, NULL, 0);
+ } else {
+ return mgmt_static_ip_modify(phba, &if_info, ip_param,
+ subnet_param, IP_ACTION_ADD);
+ }
+
+ return rc;
+}
+
+int mgmt_set_gateway(struct beiscsi_hba *phba,
+ struct iscsi_iface_param_info *gateway_param)
+{
+ struct be_cmd_get_def_gateway_resp gtway_addr_set;
+ uint8_t *gtway_addr;
+ int rt_val;
+
+ memset(&gtway_addr_set, 0, sizeof(gtway_addr_set));
+ rt_val = mgmt_get_gateway(phba, BE2_IPV4, &gtway_addr_set);
+ if (rt_val) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed to Get Gateway Addr\n");
+ return rt_val;
+ }
+
+ if (gtway_addr_set.ip_addr.addr[0]) {
+ gtway_addr = (uint8_t *)&gtway_addr_set.ip_addr.addr;
+ rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_DEL,
+ gateway_param->len);
+ if (rt_val) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed to clear Gateway Addr Set\n");
+ return rt_val;
+ }
+ }
+
+ gtway_addr = (uint8_t *)&gateway_param->value;
+ rt_val = mgmt_modify_gateway(phba, gtway_addr, IP_ACTION_ADD,
+ gateway_param->len);
+
+ if (rt_val)
+ shost_printk(KERN_WARNING, phba->shost,
+ "Failed to Set Gateway Addr\n");
+
+ return rt_val;
+}
+
+int mgmt_get_gateway(struct beiscsi_hba *phba, int ip_type,
+ struct be_cmd_get_def_gateway_resp *gateway)
+{
+ struct be_cmd_get_def_gateway_req *req;
+ struct be_dma_mem nonemb_cmd;
+ int rc;
+
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
+ sizeof(*gateway));
+ if (rc)
+ return rc;
+
+ req = nonemb_cmd.va;
+ req->ip_type = ip_type;
+
+ return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, gateway,
+ sizeof(*gateway));
+}
+
+int mgmt_get_if_info(struct beiscsi_hba *phba, int ip_type,
+ struct be_cmd_get_if_info_resp *if_info)
+{
+ struct be_cmd_get_if_info_req *req;
+ struct be_dma_mem nonemb_cmd;
+ int rc;
+
+ if (mgmt_get_all_if_id(phba))
+ return -EIO;
+
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
+ sizeof(*if_info));
+ if (rc)
+ return rc;
+
+ req = nonemb_cmd.va;
+ req->interface_hndl = phba->interface_handle;
+ req->ip_type = ip_type;
+
+ return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, if_info,
+ sizeof(*if_info));
+}
+
+int mgmt_get_nic_conf(struct beiscsi_hba *phba,
+ struct be_cmd_get_nic_conf_resp *nic)
+{
+ struct be_dma_mem nonemb_cmd;
+ int rc;
+
+ rc = mgmt_alloc_cmd_data(phba, &nonemb_cmd,
+ OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
+ sizeof(*nic));
+ if (rc)
+ return rc;
+
+ return mgmt_exec_nonemb_cmd(phba, &nonemb_cmd, nic, sizeof(*nic));
+}
+
+
+
unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
{
unsigned int tag = 0;