[ofa-general] [PATCH RFC] RDMA/cxgb3: Fix up some of the cxgb3 ib_device_attr fields.

[Steve Wise]

- set fw_ver
- set hw_ver
- set max_qp_wr to something reasonable
- set max_cqe to something reasonable

Signed-off-by: Steve Wise <swise at opengridcomputing.com>
---

 drivers/infiniband/hw/cxgb3/cxio_hal.h      |    3 ++-
 drivers/infiniband/hw/cxgb3/iwch.c          |    4 ++--
 drivers/infiniband/hw/cxgb3/iwch_provider.c |   21 +++++++++++++++++++++
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h
index 4bb5926..cdc6ac9 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h
@@ -45,13 +45,14 @@
 #define T3_CTRL_QP_SIZE_LOG2  8
 #define T3_CTRL_CQ_ID    0
 
-/* TBD */
 #define T3_MAX_NUM_RI (1<<15)
 #define T3_MAX_NUM_QP (1<<15)
 #define T3_MAX_NUM_CQ (1<<15)
 #define T3_MAX_NUM_PD (1<<15)
 #define T3_MAX_PBL_SIZE 256
 #define T3_MAX_RQ_SIZE 1024
+#define T3_MAX_QP_DEPTH (T3_MAX_RQ_SIZE-1)
+#define T3_MAX_CQ_DEPTH 8192
 #define T3_MAX_NUM_STAG (1<<15)
 #define T3_MAX_MR_SIZE 0x100000000ULL
 
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index 71554ea..e09cc1a 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -74,11 +74,11 @@ static void rnic_init(struct iwch_dev *rnicp)
 	rnicp->attr.vendor_id = 0x168;
 	rnicp->attr.vendor_part_id = 7;
 	rnicp->attr.max_qps = T3_MAX_NUM_QP - 32;
-	rnicp->attr.max_wrs = (1UL << 24) - 1;
+	rnicp->attr.max_wrs = T3_MAX_QP_DEPTH;
 	rnicp->attr.max_sge_per_wr = T3_MAX_SGE;
 	rnicp->attr.max_sge_per_rdma_write_wr = T3_MAX_SGE;
 	rnicp->attr.max_cqs = T3_MAX_NUM_CQ - 1;
-	rnicp->attr.max_cqes_per_cq = (1UL << 24) - 1;
+	rnicp->attr.max_cqes_per_cq = T3_MAX_CQ_DEPTH;
 	rnicp->attr.max_mem_regs = cxio_num_stags(&rnicp->rdev);
 	rnicp->attr.max_phys_buf_entries = T3_MAX_PBL_SIZE;
 	rnicp->attr.max_pds = T3_MAX_NUM_PD - 1;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 2c1c477..5f61c3c 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1093,6 +1093,25 @@ static int iwch_query_gid(struct ib_device *ibdev, u8 port,
 	return 0;
 }
 
+static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev)
+{
+	struct ethtool_drvinfo info;
+	struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
+	char *cp, *next;
+	unsigned fw_maj, fw_min, fw_mic;
+
+	lldev->ethtool_ops->get_drvinfo(lldev, &info);
+	next = info.fw_version+1;
+	cp = strsep(&next, ".");
+	sscanf(cp, "%i", &fw_maj);
+	cp = strsep(&next, ".");
+	sscanf(cp, "%i", &fw_min);
+	cp = strsep(&next, ".");
+	sscanf(cp, "%i", &fw_mic);
+	return (((u64)fw_maj & 0xffff) << 32) | ((fw_min & 0xffff) << 16) | 
+	       (fw_mic & 0xffff);
+}
+
 static int iwch_query_device(struct ib_device *ibdev,
 			     struct ib_device_attr *props)
 {
@@ -1103,6 +1122,8 @@ static int iwch_query_device(struct ib_device *ibdev,
 	dev = to_iwch_dev(ibdev);
 	memset(props, 0, sizeof *props);
 	memcpy(&props->sys_image_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
+	props->hw_ver = dev->rdev.t3cdev_p->type
+	props->fw_ver = fw_vers_string_to_u64(dev);
 	props->device_cap_flags = dev->device_cap_flags;
 	props->vendor_id = (u32)dev->rdev.rnic_info.pdev->vendor;
 	props->vendor_part_id = (u32)dev->rdev.rnic_info.pdev->device;