IB/rxe: Remove unnecessary enum values

Clang warns when an emumerated type is implicitly converted to another.

drivers/infiniband/sw/rxe/rxe.c:106:27: warning: implicit conversion
from enumeration type 'enum rxe_device_param' to different enumeration
type 'enum ib_atomic_cap' [-Wenum-conversion]
        rxe->attr.atomic_cap                    = RXE_ATOMIC_CAP;
                                                ~ ^~~~~~~~~~~~~~
drivers/infiniband/sw/rxe/rxe.c:131:22: warning: implicit conversion
from enumeration type 'enum rxe_port_param' to different enumeration
type 'enum ib_port_state' [-Wenum-conversion]
        port->attr.state                = RXE_PORT_STATE;
                                        ~ ^~~~~~~~~~~~~~
drivers/infiniband/sw/rxe/rxe.c:132:24: warning: implicit conversion
from enumeration type 'enum rxe_port_param' to different enumeration
type 'enum ib_mtu' [-Wenum-conversion]
        port->attr.max_mtu              = RXE_PORT_MAX_MTU;
                                        ~ ^~~~~~~~~~~~~~~~
drivers/infiniband/sw/rxe/rxe.c:133:27: warning: implicit conversion
from enumeration type 'enum rxe_port_param' to different enumeration
type 'enum ib_mtu' [-Wenum-conversion]
        port->attr.active_mtu           = RXE_PORT_ACTIVE_MTU;
                                        ~ ^~~~~~~~~~~~~~~~~~~
drivers/infiniband/sw/rxe/rxe.c:151:24: warning: implicit conversion
from enumeration type 'enum rxe_port_param' to different enumeration
type 'enum ib_mtu' [-Wenum-conversion]
                                ib_mtu_enum_to_int(RXE_PORT_ACTIVE_MTU);
                                ~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~~~~~~~~~
5 warnings generated.

Use the appropriate values from the expected enumerated type so no
conversion needs to happen then remove the unneeded definitions.

Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 10999fa..383e65c 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -103,7 +103,7 @@ static void rxe_init_device_param(struct rxe_dev *rxe)
        rxe->attr.max_res_rd_atom               = RXE_MAX_RES_RD_ATOM;
        rxe->attr.max_qp_init_rd_atom           = RXE_MAX_QP_INIT_RD_ATOM;
        rxe->attr.max_ee_init_rd_atom           = RXE_MAX_EE_INIT_RD_ATOM;
-       rxe->attr.atomic_cap                    = RXE_ATOMIC_CAP;
+       rxe->attr.atomic_cap                    = IB_ATOMIC_HCA;
        rxe->attr.max_ee                        = RXE_MAX_EE;
        rxe->attr.max_rdd                       = RXE_MAX_RDD;
        rxe->attr.max_mw                        = RXE_MAX_MW;
@@ -128,9 +128,9 @@ static void rxe_init_device_param(struct rxe_dev *rxe)
 /* initialize port attributes */
 static int rxe_init_port_param(struct rxe_port *port)
 {
-       port->attr.state                = RXE_PORT_STATE;
-       port->attr.max_mtu              = RXE_PORT_MAX_MTU;
-       port->attr.active_mtu           = RXE_PORT_ACTIVE_MTU;
+       port->attr.state                = IB_PORT_DOWN;
+       port->attr.max_mtu              = IB_MTU_4096;
+       port->attr.active_mtu           = IB_MTU_256;
        port->attr.gid_tbl_len          = RXE_PORT_GID_TBL_LEN;
        port->attr.port_cap_flags       = RXE_PORT_PORT_CAP_FLAGS;
        port->attr.max_msg_sz           = RXE_PORT_MAX_MSG_SZ;
@@ -147,8 +147,7 @@ static int rxe_init_port_param(struct rxe_port *port)
        port->attr.active_width         = RXE_PORT_ACTIVE_WIDTH;
        port->attr.active_speed         = RXE_PORT_ACTIVE_SPEED;
        port->attr.phys_state           = RXE_PORT_PHYS_STATE;
-       port->mtu_cap                   =
-                               ib_mtu_enum_to_int(RXE_PORT_ACTIVE_MTU);
+       port->mtu_cap                   = ib_mtu_enum_to_int(IB_MTU_256);
        port->subnet_prefix             = cpu_to_be64(RXE_PORT_SUBNET_PREFIX);
 
        return 0;
@@ -300,7 +299,7 @@ void rxe_set_mtu(struct rxe_dev *rxe, unsigned int ndev_mtu)
        mtu = eth_mtu_int_to_enum(ndev_mtu);
 
        /* Make sure that new MTU in range */
-       mtu = mtu ? min_t(enum ib_mtu, mtu, RXE_PORT_MAX_MTU) : IB_MTU_256;
+       mtu = mtu ? min_t(enum ib_mtu, mtu, IB_MTU_4096) : IB_MTU_256;
 
        port->attr.active_mtu = mtu;
        port->mtu_cap = ib_mtu_enum_to_int(mtu);

diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
index 8e30542..afd53f5 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/drivers/infiniband/sw/rxe/rxe_loc.h
@@ -195,7 +195,7 @@ static inline int qp_mtu(struct rxe_qp *qp)
        if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC)
                return qp->attr.path_mtu;
        else
-               return RXE_PORT_MAX_MTU;
+               return IB_MTU_4096;
 }
 
 static inline int rcv_wqe_size(int max_sge)

diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
index 4555510..bdea899 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -90,7 +90,6 @@ enum rxe_device_param {
        RXE_MAX_RES_RD_ATOM             = 0x3f000,
        RXE_MAX_QP_INIT_RD_ATOM         = 128,
        RXE_MAX_EE_INIT_RD_ATOM         = 0,
-       RXE_ATOMIC_CAP                  = 1,
        RXE_MAX_EE                      = 0,
        RXE_MAX_RDD                     = 0,
        RXE_MAX_MW                      = 0,
@@ -139,9 +138,6 @@ enum rxe_device_param {
 
 /* default/initial rxe port parameters */
 enum rxe_port_param {
-       RXE_PORT_STATE                  = IB_PORT_DOWN,
-       RXE_PORT_MAX_MTU                = IB_MTU_4096,
-       RXE_PORT_ACTIVE_MTU             = IB_MTU_256,
        RXE_PORT_GID_TBL_LEN            = 1024,
        RXE_PORT_PORT_CAP_FLAGS         = RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP,
        RXE_PORT_MAX_MSG_SZ             = 0x800000,