From: Konstantin Taranov <[email protected]>
This patch series fills in GUID and device properties.
Most of these properties are required for CM.
v1->v2:
* Added a comment to the CA delay
Konstantin Taranov (2):
RDMA/mana_ib: set node_guid
RDMA/mana_ib: extend query device
drivers/infiniband/hw/mana/device.c | 2 ++
drivers/infiniband/hw/mana/main.c | 19 ++++++++++++++++---
drivers/infiniband/hw/mana/mana_ib.h | 5 +++++
3 files changed, 23 insertions(+), 3 deletions(-)
--
2.43.0
From: Konstantin Taranov <[email protected]>
Use the mac address for the node_guid of the IB device.
Signed-off-by: Konstantin Taranov <[email protected]>
Reviewed-by: Long Li <[email protected]>
---
drivers/infiniband/hw/mana/device.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/hw/mana/device.c b/drivers/infiniband/hw/mana/device.c
index 7e09ceb..9a7da2e 100644
--- a/drivers/infiniband/hw/mana/device.c
+++ b/drivers/infiniband/hw/mana/device.c
@@ -5,6 +5,7 @@
#include "mana_ib.h"
#include <net/mana/mana_auxiliary.h>
+#include <net/addrconf.h>
MODULE_DESCRIPTION("Microsoft Azure Network Adapter IB driver");
MODULE_LICENSE("GPL");
@@ -92,6 +93,7 @@ static int mana_ib_probe(struct auxiliary_device *adev,
goto free_ib_device;
}
ether_addr_copy(mac_addr, upper_ndev->dev_addr);
+ addrconf_addr_eui48((u8 *)&dev->ib_dev.node_guid, upper_ndev->dev_addr);
ret = ib_device_set_netdev(&dev->ib_dev, upper_ndev, 1);
rcu_read_unlock();
if (ret) {
--
2.43.0
From: Konstantin Taranov <[email protected]>
Fill in properties of the ib device.
Order the assignment in the order of fields in the struct ib_device_attr.
Signed-off-by: Konstantin Taranov <[email protected]>
Reviewed-by: Long Li <[email protected]>
---
drivers/infiniband/hw/mana/main.c | 19 ++++++++++++++++---
drivers/infiniband/hw/mana/mana_ib.h | 5 +++++
2 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index 2a41135..814a61e 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -547,14 +547,27 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct mana_ib_dev *dev = container_of(ibdev,
struct mana_ib_dev, ib_dev);
+ memset(props, 0, sizeof(*props));
+ props->max_mr_size = MANA_IB_MAX_MR_SIZE;
+ props->page_size_cap = PAGE_SZ_BM;
props->max_qp = dev->adapter_caps.max_qp_count;
props->max_qp_wr = dev->adapter_caps.max_qp_wr;
+ props->device_cap_flags = IB_DEVICE_RC_RNR_NAK_GEN;
+ props->max_send_sge = dev->adapter_caps.max_send_sge_count;
+ props->max_recv_sge = dev->adapter_caps.max_recv_sge_count;
+ props->max_sge_rd = dev->adapter_caps.max_recv_sge_count;
props->max_cq = dev->adapter_caps.max_cq_count;
props->max_cqe = dev->adapter_caps.max_qp_wr;
props->max_mr = dev->adapter_caps.max_mr_count;
- props->max_mr_size = MANA_IB_MAX_MR_SIZE;
- props->max_send_sge = dev->adapter_caps.max_send_sge_count;
- props->max_recv_sge = dev->adapter_caps.max_recv_sge_count;
+ props->max_pd = dev->adapter_caps.max_pd_count;
+ props->max_qp_rd_atom = dev->adapter_caps.max_inbound_read_limit;
+ props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
+ props->max_qp_init_rd_atom = dev->adapter_caps.max_outbound_read_limit;
+ props->atomic_cap = IB_ATOMIC_NONE;
+ props->masked_atomic_cap = IB_ATOMIC_NONE;
+ props->max_ah = INT_MAX;
+ props->max_pkeys = 1;
+ props->local_ca_ack_delay = MANA_CA_ACK_DELAY;
return 0;
}
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index 68c3b4f..59a7a35 100644
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -27,6 +27,11 @@
*/
#define MANA_IB_MAX_MR 0xFFFFFFu
+/*
+ * The CA timeout is approx. 260ms (4us * 2^(DELAY))
+ */
+#define MANA_CA_ACK_DELAY 16
+
struct mana_ib_adapter_caps {
u32 max_sq_id;
u32 max_rq_id;
--
2.43.0
On Thu, 30 May 2024 04:55:15 -0700, Konstantin Taranov wrote:
> From: Konstantin Taranov <[email protected]>
>
> This patch series fills in GUID and device properties.
> Most of these properties are required for CM.
>
> v1->v2:
> * Added a comment to the CA delay
>
> [...]
Applied, thanks!
[1/2] RDMA/mana_ib: set node_guid
https://git.kernel.org/rdma/rdma/c/65357e2c164a08
[2/2] RDMA/mana_ib: extend query device
https://git.kernel.org/rdma/rdma/c/c8683b995d8aba
Best regards,
--
Leon Romanovsky <[email protected]>