diff options
| -rw-r--r-- | drivers/infiniband/hw/hfi1/qp.c | 18 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/verbs.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 11 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 77 | ||||
| -rw-r--r-- | include/rdma/opa_port_info.h | 10 |
6 files changed, 88 insertions, 32 deletions
diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c index f8e733aa3bb8..0c2ae9f7b3e8 100644 --- a/drivers/infiniband/hw/hfi1/qp.c +++ b/drivers/infiniband/hw/hfi1/qp.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2015 - 2019 Intel Corporation. + * Copyright(c) 2015 - 2020 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. @@ -186,15 +186,6 @@ static void flush_iowait(struct rvt_qp *qp) write_sequnlock_irqrestore(lock, flags); } -static inline int opa_mtu_enum_to_int(int mtu) -{ - switch (mtu) { - case OPA_MTU_8192: return 8192; - case OPA_MTU_10240: return 10240; - default: return -1; - } -} - /** * This function is what we would push to the core layer if we wanted to be a * "first class citizen". Instead we hide this here and rely on Verbs ULPs @@ -202,15 +193,10 @@ static inline int opa_mtu_enum_to_int(int mtu) */ static inline int verbs_mtu_enum_to_int(struct ib_device *dev, enum ib_mtu mtu) { - int val; - /* Constraining 10KB packets to 8KB packets */ if (mtu == (enum ib_mtu)OPA_MTU_10240) mtu = OPA_MTU_8192; - val = opa_mtu_enum_to_int((int)mtu); - if (val > 0) - return val; - return ib_mtu_enum_to_int(mtu); + return opa_mtu_enum_to_int((enum opa_mtu)mtu); } int hfi1_check_modify_qp(struct rvt_qp *qp, struct ib_qp_attr *attr, diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index c61b2916d420..19d5d0061b01 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -1439,6 +1439,8 @@ static int query_port(struct rvt_dev_info *rdi, u8 port_num, 4096 : hfi1_max_mtu), IB_MTU_4096); props->active_mtu = !valid_ib_mtu(ppd->ibmtu) ? props->max_mtu : mtu_to_enum(ppd->ibmtu, IB_MTU_4096); + props->phys_mtu = HFI1_CAP_IS_KSET(AIP) ? hfi1_max_mtu : + ib_mtu_enum_to_int(props->max_mtu); return 0; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index d4c6a97ce4c0..22216f181b24 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1855,7 +1855,7 @@ static int ipoib_parent_init(struct net_device *ndev) priv->port); return result; } - priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); + priv->max_ib_mtu = rdma_mtu_from_attr(priv->ca, priv->port, &attr); result = ib_query_pkey(priv->ca, priv->port, 0, &priv->pkey); if (result) { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index b9e9562f5034..7166ee9b7a25 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -218,6 +218,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, struct rdma_ah_attr av; int ret; int set_qkey = 0; + int mtu; mcast->mcmember = *mcmember; @@ -240,13 +241,11 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, priv->broadcast->mcmember.flow_label = mcmember->flow_label; priv->broadcast->mcmember.hop_limit = mcmember->hop_limit; /* assume if the admin and the mcast are the same both can be changed */ + mtu = rdma_mtu_enum_to_int(priv->ca, priv->port, + priv->broadcast->mcmember.mtu); if (priv->mcast_mtu == priv->admin_mtu) - priv->admin_mtu = - priv->mcast_mtu = - IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu)); - else - priv->mcast_mtu = - IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu)); + priv->admin_mtu = IPOIB_UD_MTU(mtu); + priv->mcast_mtu = IPOIB_UD_MTU(mtu); priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey); spin_unlock_irq(&priv->lock); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 6278e4e040fc..641f4751b062 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -462,6 +462,11 @@ enum ib_mtu { IB_MTU_4096 = 5 }; +enum opa_mtu { + OPA_MTU_8192 = 6, + OPA_MTU_10240 = 7 +}; + static inline int ib_mtu_enum_to_int(enum ib_mtu mtu) { switch (mtu) { @@ -488,6 +493,28 @@ static inline enum ib_mtu ib_mtu_int_to_enum(int mtu) return IB_MTU_256; } +static inline int opa_mtu_enum_to_int(enum opa_mtu mtu) +{ + switch (mtu) { + case OPA_MTU_8192: + return 8192; + case OPA_MTU_10240: + return 10240; + default: + return(ib_mtu_enum_to_int((enum ib_mtu)mtu)); + } +} + +static inline enum opa_mtu opa_mtu_int_to_enum(int mtu) +{ + if (mtu >= 10240) + return OPA_MTU_10240; + else if (mtu >= 8192) + return OPA_MTU_8192; + else + return ((enum opa_mtu)ib_mtu_int_to_enum(mtu)); +} + enum ib_port_state { IB_PORT_NOP = 0, IB_PORT_DOWN = 1, @@ -651,6 +678,7 @@ struct ib_port_attr { enum ib_port_state state; enum ib_mtu max_mtu; enum ib_mtu active_mtu; + u32 phys_mtu; int gid_tbl_len; unsigned int ip_gids:1; /* This is the value from PortInfo CapabilityMask, defined by IBA */ @@ -3364,6 +3392,55 @@ static inline unsigned int rdma_find_pg_bit(unsigned long addr, return __fls(pgsz); } +/** + * rdma_core_cap_opa_port - Return whether the RDMA Port is OPA or not. + * @device: Device + * @port_num: 1 based Port number + * + * Return true if port is an Intel OPA port , false if not + */ +static inline bool rdma_core_cap_opa_port(struct ib_device *device, + u32 port_num) +{ + return (device->port_data[port_num].immutable.core_cap_flags & + RDMA_CORE_PORT_INTEL_OPA) == RDMA_CORE_PORT_INTEL_OPA; +} + +/** + * rdma_mtu_enum_to_int - Return the mtu of the port as an integer value. + * @device: Device + * @port_num: Port number + * @mtu: enum value of MTU + * + * Return the MTU size supported by the port as an integer value. Will return + * -1 if enum value of mtu is not supported. + */ +static inline int rdma_mtu_enum_to_int(struct ib_device *device, u8 port, + int mtu) +{ + if (rdma_core_cap_opa_port(device, port)) + return opa_mtu_enum_to_int((enum opa_mtu)mtu); + else + return ib_mtu_enum_to_int((enum ib_mtu)mtu); +} + +/** + * rdma_mtu_from_attr - Return the mtu of the port from the port attribute. + * @device: Device + * @port_num: Port number + * @attr: port attribute + * + * Return the MTU size supported by the port as an integer value. + */ +static inline int rdma_mtu_from_attr(struct ib_device *device, u8 port, + struct ib_port_attr *attr) +{ + if (rdma_core_cap_opa_port(device, port)) + return attr->phys_mtu; + else + return ib_mtu_enum_to_int(attr->max_mtu); +} + int ib_set_vf_link_state(struct ib_device *device, int vf, u8 port, int state); int ib_get_vf_config(struct ib_device *device, int vf, u8 port, diff --git a/include/rdma/opa_port_info.h b/include/rdma/opa_port_info.h index bdbfe25d3854..0d9e6d74c385 100644 --- a/include/rdma/opa_port_info.h +++ b/include/rdma/opa_port_info.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014-2017 Intel Corporation. All rights reserved. + * Copyright (c) 2014-2020 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -139,14 +139,6 @@ #define OPA_CAP_MASK3_IsVLMarkerSupported (1 << 1) #define OPA_CAP_MASK3_IsVLrSupported (1 << 0) -/** - * new MTU values - */ -enum { - OPA_MTU_8192 = 6, - OPA_MTU_10240 = 7, -}; - enum { OPA_PORT_PHYS_CONF_DISCONNECTED = 0, OPA_PORT_PHYS_CONF_STANDARD = 1, |