From mboxrd@z Thu Jan 1 00:00:00 1970 From: Selvin Xavier Subject: [PATCH for bnxt_re V4 08/21] RDMA/bnxt_re: Adding support for port related verbs Date: Wed, 21 Dec 2016 03:41:57 -0800 Message-ID: <1482320530-5344-9-git-send-email-selvin.xavier@broadcom.com> References: <1482320530-5344-1-git-send-email-selvin.xavier@broadcom.com> Return-path: In-Reply-To: <1482320530-5344-1-git-send-email-selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, michael.chan-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, Selvin Xavier , Eddie Wai , Devesh Sharma , Somnath Kotur , Sriharsha Basavapatna List-Id: linux-rdma@vger.kernel.org Implements query_port, modify_port and port_immutable verbs Signed-off-by: Eddie Wai Signed-off-by: Devesh Sharma Signed-off-by: Somnath Kotur Signed-off-by: Sriharsha Basavapatna Signed-off-by: Selvin Xavier --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 122 +++++++++++++++++++++++++++++++ drivers/infiniband/hw/bnxt_re/ib_verbs.h | 7 ++ drivers/infiniband/hw/bnxt_re/main.c | 4 + 3 files changed, 133 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 3c964d7..97172c9 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -150,6 +150,128 @@ int bnxt_re_modify_device(struct ib_device *ibdev, return 0; } +static void __to_ib_speed_width(struct net_device *netdev, u8 *speed, u8 *width) +{ + struct ethtool_link_ksettings lksettings; + u32 espeed; + + if (netdev->ethtool_ops && netdev->ethtool_ops->get_link_ksettings) { + memset(&lksettings, 0, sizeof(lksettings)); + rtnl_lock(); + netdev->ethtool_ops->get_link_ksettings(netdev, &lksettings); + rtnl_unlock(); + espeed = lksettings.base.speed; + } else { + espeed = SPEED_UNKNOWN; + } + switch (espeed) { + case SPEED_1000: + *speed = IB_SPEED_SDR; + *width = IB_WIDTH_1X; + break; + case SPEED_10000: + *speed = IB_SPEED_QDR; + *width = IB_WIDTH_1X; + break; + case SPEED_20000: + *speed = IB_SPEED_DDR; + *width = IB_WIDTH_4X; + break; + case SPEED_25000: + *speed = IB_SPEED_EDR; + *width = IB_WIDTH_1X; + break; + case SPEED_40000: + *speed = IB_SPEED_QDR; + *width = IB_WIDTH_4X; + break; + case SPEED_50000: + break; + default: + *speed = IB_SPEED_SDR; + *width = IB_WIDTH_1X; + break; + } +} + +/* Port */ +int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num, + struct ib_port_attr *port_attr) +{ + struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev); + struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr; + + memset(port_attr, 0, sizeof(*port_attr)); + + if (netif_running(rdev->netdev) && netif_carrier_ok(rdev->netdev)) { + port_attr->state = IB_PORT_ACTIVE; + port_attr->phys_state = 5; + } else { + port_attr->state = IB_PORT_DOWN; + port_attr->phys_state = 3; + } + port_attr->max_mtu = IB_MTU_4096; + port_attr->active_mtu = iboe_get_mtu(rdev->netdev->mtu); + port_attr->gid_tbl_len = dev_attr->max_sgid; + port_attr->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_REINIT_SUP | + IB_PORT_DEVICE_MGMT_SUP | + IB_PORT_VENDOR_CLASS_SUP | + IB_PORT_IP_BASED_GIDS; + + /* Max MSG size set to 2G for now */ + port_attr->max_msg_sz = 0x80000000; + port_attr->bad_pkey_cntr = 0; + port_attr->qkey_viol_cntr = 0; + port_attr->pkey_tbl_len = dev_attr->max_pkey; + port_attr->lid = 0; + port_attr->sm_lid = 0; + port_attr->lmc = 0; + port_attr->max_vl_num = 4; + port_attr->sm_sl = 0; + port_attr->subnet_timeout = 0; + port_attr->init_type_reply = 0; + /* call the underlying netdev's ethtool hooks to query speed settings + * for which we acquire rtnl_lock _only_ if it's registered with + * IB stack to avoid race in the NETDEV_UNREG path + */ + if (test_bit(BNXT_RE_FLAG_IBDEV_REGISTERED, &rdev->flags)) + __to_ib_speed_width(rdev->netdev, &port_attr->active_speed, + &port_attr->active_width); + return 0; +} + +int bnxt_re_modify_port(struct ib_device *ibdev, u8 port_num, + int port_modify_mask, + struct ib_port_modify *port_modify) +{ + switch (port_modify_mask) { + case IB_PORT_SHUTDOWN: + break; + case IB_PORT_INIT_TYPE: + break; + case IB_PORT_RESET_QKEY_CNTR: + break; + default: + break; + } + return 0; +} + +int bnxt_re_get_port_immutable(struct ib_device *ibdev, u8 port_num, + struct ib_port_immutable *immutable) +{ + struct ib_port_attr port_attr; + + if (bnxt_re_query_port(ibdev, port_num, &port_attr)) + return -EINVAL; + + immutable->pkey_tbl_len = port_attr.pkey_tbl_len; + immutable->gid_tbl_len = port_attr.gid_tbl_len; + immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE; + immutable->core_cap_flags |= RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP; + immutable->max_mad_size = IB_MGMT_MAD_SIZE; + return 0; +} /* Protection Domains */ int bnxt_re_dealloc_pd(struct ib_pd *ib_pd) { diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h index 45f9253..255a0ad 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h @@ -60,6 +60,13 @@ int bnxt_re_query_device(struct ib_device *ibdev, int bnxt_re_modify_device(struct ib_device *ibdev, int device_modify_mask, struct ib_device_modify *device_modify); +int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num, + struct ib_port_attr *port_attr); +int bnxt_re_modify_port(struct ib_device *ibdev, u8 port_num, + int port_modify_mask, + struct ib_port_modify *port_modify); +int bnxt_re_get_port_immutable(struct ib_device *ibdev, u8 port_num, + struct ib_port_immutable *immutable); struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev, struct ib_ucontext *context, struct ib_udata *udata); diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 038279b..e7942a6 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -438,6 +438,10 @@ static int bnxt_re_register_ib(struct bnxt_re_dev *rdev) ibdev->dma_device = &rdev->en_dev->pdev->dev; ibdev->query_device = bnxt_re_query_device; ibdev->modify_device = bnxt_re_modify_device; + + ibdev->query_port = bnxt_re_query_port; + ibdev->modify_port = bnxt_re_modify_port; + ibdev->get_port_immutable = bnxt_re_get_port_immutable; ibdev->alloc_pd = bnxt_re_alloc_pd; ibdev->dealloc_pd = bnxt_re_dealloc_pd; ibdev->alloc_ucontext = bnxt_re_alloc_ucontext; -- 2.5.5 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html