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authorAharon Landau <aharonl@mellanox.com>2020-09-17 12:02:23 +0300
committerJason Gunthorpe <jgg@nvidia.com>2020-09-18 10:31:24 -0300
commit376ceb31ff879c2ee6b48eef841d6fa7720f6f43 (patch)
tree42d2a8b7033ba56e320054c4c77650da28c80ebf
parente27014bdb47eb435f78573685f4196c07329f1f7 (diff)
RDMA: Fix link active_speed size
According to the IB spec active_speed size should be u16 and not u8 as before. Changing it to allow further extensions in offered speeds. Link: https://lore.kernel.org/r/20200917090223.1018224-4-leon@kernel.org Signed-off-by: Aharon Landau <aharonl@mellanox.com> Reviewed-by: Michael Guralnik <michaelgur@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
-rw-r--r--drivers/infiniband/core/uverbs_std_types_device.c3
-rw-r--r--drivers/infiniband/core/verbs.c2
-rw-r--r--drivers/infiniband/hw/bnxt_re/bnxt_re.h2
-rw-r--r--drivers/infiniband/hw/hfi1/verbs.c2
-rw-r--r--drivers/infiniband/hw/mlx5/main.c8
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c2
-rw-r--r--drivers/infiniband/hw/qedr/verbs.c2
-rw-r--r--drivers/infiniband/hw/qib/qib.h6
-rw-r--r--drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h2
-rw-r--r--include/rdma/ib_verbs.h7
10 files changed, 17 insertions, 19 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_device.c b/drivers/infiniband/core/uverbs_std_types_device.c
index 75df2094a010..9f43c0161a8e 100644
--- a/drivers/infiniband/core/uverbs_std_types_device.c
+++ b/drivers/infiniband/core/uverbs_std_types_device.c
@@ -165,7 +165,8 @@ void copy_port_attr_to_resp(struct ib_port_attr *attr,
resp->subnet_timeout = attr->subnet_timeout;
resp->init_type_reply = attr->init_type_reply;
resp->active_width = attr->active_width;
- resp->active_speed = attr->active_speed;
+ /* This ABI needs to be extended to provide any speed more than IB_SPEED_NDR */
+ resp->active_speed = min_t(u16, attr->active_speed, IB_SPEED_NDR);
resp->phys_state = attr->phys_state;
resp->link_layer = rdma_port_get_link_layer(ib_dev, port_num);
}
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 307886737646..f5f8959a4592 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1781,7 +1781,7 @@ int ib_modify_qp_with_udata(struct ib_qp *ib_qp, struct ib_qp_attr *attr,
}
EXPORT_SYMBOL(ib_modify_qp_with_udata);
-int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width)
+int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u16 *speed, u8 *width)
{
int rc;
u32 netdev_speed;
diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
index a300588634c5..b930ea3dab7a 100644
--- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h
+++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
@@ -150,7 +150,7 @@ struct bnxt_re_dev {
struct delayed_work worker;
u8 cur_prio_map;
- u8 active_speed;
+ u16 active_speed;
u8 active_width;
/* FP Notification Queue (CQ & SRQ) */
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index 30865635b449..3591923abebb 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -1424,7 +1424,7 @@ static int query_port(struct rvt_dev_info *rdi, u8 port_num,
props->gid_tbl_len = HFI1_GUIDS_PER_PORT;
props->active_width = (u8)opa_width_to_ib(ppd->link_width_active);
/* see rate_show() in ib core/sysfs.c */
- props->active_speed = (u8)opa_speed_to_ib(ppd->link_speed_active);
+ props->active_speed = opa_speed_to_ib(ppd->link_speed_active);
props->max_vl_num = ppd->vls_supported;
/* Once we are a "first class" citizen and have added the OPA MTUs to
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 2dbacf0ebda3..b13d1be1ef52 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -457,7 +457,6 @@ static int mlx5_query_port_roce(struct ib_device *device, u8 port_num,
bool put_mdev = true;
u16 qkey_viol_cntr;
u32 eth_prot_oper;
- u16 active_speed;
u8 mdev_port_num;
bool ext;
int err;
@@ -491,12 +490,9 @@ static int mlx5_query_port_roce(struct ib_device *device, u8 port_num,
props->active_width = IB_WIDTH_4X;
props->active_speed = IB_SPEED_QDR;
- translate_eth_proto_oper(eth_prot_oper, &active_speed,
+ translate_eth_proto_oper(eth_prot_oper, &props->active_speed,
&props->active_width, ext);
- WARN_ON_ONCE(active_speed & ~0xFF);
- props->active_speed = (u8)active_speed;
-
props->port_cap_flags |= IB_PORT_CM_SUP;
props->ip_gids = true;
@@ -1307,7 +1303,7 @@ static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
props->port_cap_flags2 = rep->cap_mask2;
err = mlx5_query_ib_port_oper(mdev, &ib_link_width_oper,
- (u16 *)&props->active_speed, port);
+ &props->active_speed, port);
if (err)
goto out;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index c1751c9a0f62..8cf237deaef7 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -112,7 +112,7 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr,
}
static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
- u8 *ib_speed, u8 *ib_width)
+ u16 *ib_speed, u8 *ib_width)
{
int status;
u8 speed;
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index b49bef94637e..b1384512ff48 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -163,7 +163,7 @@ int qedr_query_device(struct ib_device *ibdev,
return 0;
}
-static inline void get_link_speed_and_width(int speed, u8 *ib_speed,
+static inline void get_link_speed_and_width(int speed, u16 *ib_speed,
u8 *ib_width)
{
switch (speed) {
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 432d6d0fd7f4..ee211423058a 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -619,11 +619,11 @@ struct qib_pportdata {
/* LID mask control */
u8 lmc;
u8 link_width_supported;
- u8 link_speed_supported;
+ u16 link_speed_supported;
u8 link_width_enabled;
- u8 link_speed_enabled;
+ u16 link_speed_enabled;
u8 link_width_active;
- u8 link_speed_active;
+ u16 link_speed_active;
u8 vls_supported;
u8 vls_operational;
/* Rx Polarity inversion (compensate for ~tx on partner) */
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
index 699b20849a7e..f3d642199194 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
@@ -176,7 +176,7 @@ struct pvrdma_port_attr {
u8 subnet_timeout;
u8 init_type_reply;
u8 active_width;
- u8 active_speed;
+ u16 active_speed;
u8 phys_state;
u8 reserved[2];
};
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c0b2fa7e9b95..a7e203bcb012 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -535,7 +535,8 @@ enum ib_port_speed {
IB_SPEED_FDR10 = 8,
IB_SPEED_FDR = 16,
IB_SPEED_EDR = 32,
- IB_SPEED_HDR = 64
+ IB_SPEED_HDR = 64,
+ IB_SPEED_NDR = 128,
};
/**
@@ -669,7 +670,7 @@ struct ib_port_attr {
u8 subnet_timeout;
u8 init_type_reply;
u8 active_width;
- u8 active_speed;
+ u16 active_speed;
u8 phys_state;
u16 port_cap_flags2;
};
@@ -4410,7 +4411,7 @@ void ib_drain_rq(struct ib_qp *qp);
void ib_drain_sq(struct ib_qp *qp);
void ib_drain_qp(struct ib_qp *qp);
-int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width);
+int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u16 *speed, u8 *width);
static inline u8 *rdma_ah_retrieve_dmac(struct rdma_ah_attr *attr)
{