SKH-R adapter, TCP Window Size/Scale parameters are passed
in TCP Connection Offload Mbx Command.
Signed-off-by: Minh Tran <minhduc.tran@xxxxxxxxxx>
Signed-off-by: John Soni Jose <sony.john-n@xxxxxxxxxx>
Signed-off-by: Jayamohan Kallickal <Jayamohan.Kallickal@xxxxxxxxxx>
---
drivers/scsi/be2iscsi/be_cmds.h | 20 ++++++++
drivers/scsi/be2iscsi/be_iscsi.c | 19 +++++--
drivers/scsi/be2iscsi/be_mgmt.c | 104 +++++++++++++++++++++++++++++++++++++++
drivers/scsi/be2iscsi/be_mgmt.h | 5 ++
4 files changed, 144 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index cd4410f..1cef380 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -1013,6 +1013,26 @@ struct tcp_connect_and_offload_in {
u8 rsvd0[3];
} __packed;
+struct tcp_connect_and_offload_in_v1 {
+ struct be_cmd_req_hdr hdr;
+ struct ip_addr_format ip_address;
+ u16 tcp_port;
+ u16 cid;
+ u16 cq_id;
+ u16 defq_id;
+ struct phys_addr dataout_template_pa;
+ u16 hdr_ring_id;
+ u16 data_ring_id;
+ u8 do_offload;
+ u8 rsvd0[3];
+ u16 tcp_window_size;
+ u8 tcp_window_scale_count;
+ u8 rsvd1;
+#define BEISCSI_TCP_MSS_MASK 0x1FFFFFF /* bits 0 - 24 */
+ u32 tcp_mss;
+ u8 rsvd2;
+} __packed;
+
struct tcp_connect_and_offload_out {
struct be_cmd_resp_hdr hdr;
u32 connection_handle;
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index a3df433..9fe7804 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -1106,7 +1106,7 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
struct beiscsi_hba *phba = beiscsi_ep->phba;
struct tcp_connect_and_offload_out *ptcpcnct_out;
struct be_dma_mem nonemb_cmd;
- unsigned int tag;
+ unsigned int tag, req_memsize;
int ret = -ENOMEM;
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
@@ -1127,8 +1127,14 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
(beiscsi_ep->ep_cid)] = ep;
beiscsi_ep->cid_vld = 0;
+
+ if (is_chip_be2_be3r(phba))
+ req_memsize = sizeof(struct tcp_connect_and_offload_in);
+ else
+ req_memsize = sizeof(struct tcp_connect_and_offload_in_v1);
+
nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
- sizeof(struct tcp_connect_and_offload_in),
+ req_memsize,
&nonemb_cmd.dma);
if (nonemb_cmd.va == NULL) {
@@ -1139,9 +1145,14 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
beiscsi_free_ep(beiscsi_ep);
return -ENOMEM;
}
- nonemb_cmd.size = sizeof(struct tcp_connect_and_offload_in);
+ nonemb_cmd.size = req_memsize;
memset(nonemb_cmd.va, 0, nonemb_cmd.size);
- tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
+ if (is_chip_be2_be3r(phba))
+ tag = mgmt_open_connection(phba, dst_addr,
+ beiscsi_ep, &nonemb_cmd);
+ else
+ tag = mgmt_open_connection_v1(phba, dst_addr,
+ beiscsi_ep, &nonemb_cmd);
if (tag <= 0) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
"BS_%d : mgmt_open_connection Failed for cid=%d\n",
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 52a36fb..6756def 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -794,6 +794,110 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
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;
+}
+
+int mgmt_open_connection_v1(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;
+ struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
+ struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct tcp_connect_and_offload_in_v1 *req;
+ unsigned short def_hdr_id;
+ unsigned short def_data_id;
+ struct phys_addr template_address = { 0, 0 };
+ struct phys_addr *ptemplate_address;
+ unsigned int tag = 0;
+ unsigned int i, ulp_num;
+ unsigned short cid = beiscsi_ep->ep_cid;
+ struct be_sge *sge;
+
+ phwi_ctrlr = phba->phwi_ctrlr;
+ phwi_context = phwi_ctrlr->phwi_ctxt;
+
+ ulp_num = phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(cid)].ulp_num;
+
+ def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba, ulp_num);
+ def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba, ulp_num);
+
+ ptemplate_address = &template_address;
+ ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+ wrb = wrb_from_mccq(phba);
+ sge = nonembedded_sgl(wrb);
+
+ req = nonemb_cmd->va;
+ memset(req, 0, sizeof(*req));
+ wrb->tag0 |= tag;
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
+ sizeof(*req));
+ 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.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.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);
+ memcpy(&beiscsi_ep->dst6_addr,
+ &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
+ beiscsi_ep->ip_type = BE2_IPV6;
+ } else{
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
+ "BG_%d : unknown addr family %d\n",
+ dst_addr->sa_family);
+ spin_unlock(&ctrl->mbox_lock);
+ free_mcc_tag(&phba->ctrl, tag);
+ return -EINVAL;
+
+ }
+ req->cid = cid;
+ i = phba->nxt_cqid++;
+ if (phba->nxt_cqid == phba->num_cpus)
+ phba->nxt_cqid = 0;
+ req->cq_id = phwi_context->be_cq[i].id;
+ beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
+ "BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
+ req->defq_id = def_hdr_id;
+ req->hdr_ring_id = def_hdr_id;
+ req->data_ring_id = def_data_id;
+ req->do_offload = 1;
+ req->dataout_template_pa.lo = ptemplate_address->lo;
+ req->dataout_template_pa.hi = ptemplate_address->hi;
+ 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);
+
+ req->hdr.version = 1;
+ req->tcp_window_size = 0;
+ req->tcp_window_scale_count = 2;
+
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
diff --git a/drivers/scsi/be2iscsi/be_mgmt.h b/drivers/scsi/be2iscsi/be_mgmt.h
index 24a8fc5..02f2fdd 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.h
+++ b/drivers/scsi/be2iscsi/be_mgmt.h
@@ -102,6 +102,11 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
struct beiscsi_endpoint *beiscsi_ep,
struct be_dma_mem *nonemb_cmd);
+int mgmt_open_connection_v1(struct beiscsi_hba *phba,
+ struct sockaddr *dst_addr,
+ struct beiscsi_endpoint *beiscsi_ep,
+ struct be_dma_mem *nonemb_cmd);
+
unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
unsigned short cid,
unsigned int upload_flag);
--
1.8.5.3
--
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