From patchwork Fri Feb 2 15:06:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Taranov X-Patchwork-Id: 13542995 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3D58D145B0A; Fri, 2 Feb 2024 15:06:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706886414; cv=none; b=KfgprhXRjLcUqyDEn5luWJvcDeMgG72zSspuTzdo3+xzlOoTclQhklX2/E5+fDbVk1f07HxRvMPGX5Z0bMCMjqxAoULh9vpcAW6NK8IvoAkNP148d0v+eqIQ3hWsGXqbR6pr+17//sXBd8JV/yQjS4mrP+S7Oen0I19Co2YpwQ8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706886414; c=relaxed/simple; bh=9qFJEo1gG8jmdM1WliqaxN63JvvNL0jjXCrWGwgRnmg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=OddUFNQQA8VUleygSyuO/+nfhGvvOrouw+MlUXgPp8/K/lUKhZKa/wLCSwQkNXdCco1erCAj/KolEITzh7JYWWFdSMTFKfsMhIaXqA4V7NLd9/jmX+bOHXS9XQv8HZwvOO8fpG8g7sRa9GSTUkks6DiH/fQsjBrZljUk3ZpIAVs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=DtJMLrQD; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="DtJMLrQD" Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id B47C320B2005; Fri, 2 Feb 2024 07:06:45 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com B47C320B2005 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1706886405; bh=KFGjzl3gNK7i8STIUzlk+L5uIQAXSRDUsl59ComKeIk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DtJMLrQDIHdR4PR5uueY/9AZnTSN6NF1ihRxYdQyffltLgof1sF8DHNHdPLC1FDPx op31XLCkKQtg3kJzYkRkNCky2jtrGXAWARr4icPGuajr4kzW89y7XT6xdqZ/DHUstx u4fFStqQ0PXwqj2RjMi6VqYYgBBzIILUbktKwhVM= From: Konstantin Taranov To: kotaranov@microsoft.com, sharmaajay@microsoft.com, longli@microsoft.com, jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH rdma-next v2 5/5] RDMA/mana_ib: Adding and deleting GIDs Date: Fri, 2 Feb 2024 07:06:37 -0800 Message-Id: <1706886397-16600-6-git-send-email-kotaranov@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1706886397-16600-1-git-send-email-kotaranov@linux.microsoft.com> References: <1706886397-16600-1-git-send-email-kotaranov@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Implement add_gid and del_gid for RNIC. We support ipv4 and ipv6 addresses. Signed-off-by: Konstantin Taranov --- drivers/infiniband/hw/mana/device.c | 2 ++ drivers/infiniband/hw/mana/main.c | 66 ++++++++++++++++++++++++++++++++++++ drivers/infiniband/hw/mana/mana_ib.h | 37 ++++++++++++++++++++ 3 files changed, 105 insertions(+) diff --git a/drivers/infiniband/hw/mana/device.c b/drivers/infiniband/hw/mana/device.c index 2b362f5..9fb515b 100644 --- a/drivers/infiniband/hw/mana/device.c +++ b/drivers/infiniband/hw/mana/device.c @@ -15,6 +15,7 @@ .driver_id = RDMA_DRIVER_MANA, .uverbs_abi_ver = MANA_IB_UVERBS_ABI_VERSION, + .add_gid = mana_ib_gd_add_gid, .alloc_pd = mana_ib_alloc_pd, .alloc_ucontext = mana_ib_alloc_ucontext, .create_cq = mana_ib_create_cq, @@ -23,6 +24,7 @@ .create_wq = mana_ib_create_wq, .dealloc_pd = mana_ib_dealloc_pd, .dealloc_ucontext = mana_ib_dealloc_ucontext, + .del_gid = mana_ib_gd_del_gid, .dereg_mr = mana_ib_dereg_mr, .destroy_cq = mana_ib_destroy_cq, .destroy_qp = mana_ib_destroy_qp, diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 645abf3..282c024 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -675,3 +675,69 @@ void mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev) mdev->adapter_handle = INVALID_MANA_HANDLE; mana_ib_destroy_eqs(mdev); } + +int mana_ib_gd_add_gid(const struct ib_gid_attr *attr, void **context) +{ + struct mana_ib_dev *mdev = container_of(attr->device, struct mana_ib_dev, ib_dev); + enum rdma_network_type ntype = rdma_gid_attr_network_type(attr); + struct mana_rnic_config_addr_resp resp = {}; + struct gdma_context *gc = mdev_to_gc(mdev); + struct mana_rnic_config_addr_req req = {}; + int err; + + if (!rnic_is_enabled(mdev)) + return -EINVAL; + + if (ntype != RDMA_NETWORK_IPV4 && ntype != RDMA_NETWORK_IPV6) { + ibdev_dbg(&mdev->ib_dev, "Unsupported rdma network type %d", ntype); + return -EINVAL; + } + + mana_gd_init_req_hdr(&req.hdr, MANA_IB_CONFIG_IP_ADDR, sizeof(req), sizeof(resp)); + req.hdr.dev_id = gc->mana_ib.dev_id; + req.adapter = mdev->adapter_handle; + req.op = ADDR_OP_ADD; + req.sgid_type = (ntype == RDMA_NETWORK_IPV6) ? SGID_TYPE_IPV6 : SGID_TYPE_IPV4; + copy_in_reverse(req.ip_addr, attr->gid.raw, sizeof(union ib_gid)); + + err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp); + if (err) { + ibdev_err(&mdev->ib_dev, "Failed to config IP addr err %d\n", err); + return err; + } + + return 0; +} + +int mana_ib_gd_del_gid(const struct ib_gid_attr *attr, void **context) +{ + struct mana_ib_dev *mdev = container_of(attr->device, struct mana_ib_dev, ib_dev); + enum rdma_network_type ntype = rdma_gid_attr_network_type(attr); + struct mana_rnic_config_addr_resp resp = {}; + struct gdma_context *gc = mdev_to_gc(mdev); + struct mana_rnic_config_addr_req req = {}; + int err; + + if (!rnic_is_enabled(mdev)) + return -EINVAL; + + if (ntype != RDMA_NETWORK_IPV4 && ntype != RDMA_NETWORK_IPV6) { + ibdev_dbg(&mdev->ib_dev, "Unsupported rdma network type %d", ntype); + return -EINVAL; + } + + mana_gd_init_req_hdr(&req.hdr, MANA_IB_CONFIG_IP_ADDR, sizeof(req), sizeof(resp)); + req.hdr.dev_id = gc->mana_ib.dev_id; + req.adapter = mdev->adapter_handle; + req.op = ADDR_OP_REMOVE; + req.sgid_type = (ntype == RDMA_NETWORK_IPV6) ? SGID_TYPE_IPV6 : SGID_TYPE_IPV4; + copy_in_reverse(req.ip_addr, attr->gid.raw, sizeof(union ib_gid)); + + err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp); + if (err) { + ibdev_err(&mdev->ib_dev, "Failed to config IP addr err %d\n", err); + return err; + } + + return 0; +} diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index 196f3c8..2a3e3b0 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -118,6 +118,7 @@ enum mana_ib_command_code { MANA_IB_GET_ADAPTER_CAP = 0x30001, MANA_IB_CREATE_ADAPTER = 0x30002, MANA_IB_DESTROY_ADAPTER = 0x30003, + MANA_IB_CONFIG_IP_ADDR = 0x30004, }; struct mana_ib_query_adapter_caps_req { @@ -167,6 +168,30 @@ struct mana_rnic_destroy_adapter_resp { struct gdma_resp_hdr hdr; }; /* HW Data */ +enum mana_ib_addr_op { + ADDR_OP_ADD = 1, + ADDR_OP_REMOVE, +}; + +enum sgid_entry_type { + SGID_TYPE_INVALID = 0, + SGID_TYPE_IPV4 = 1, + SGID_TYPE_IPV6 = 2, + SGID_TYPE_HYBRID = 3 +}; + +struct mana_rnic_config_addr_req { + struct gdma_req_hdr hdr; + mana_handle_t adapter; + enum mana_ib_addr_op op; + enum sgid_entry_type sgid_type; + u8 ip_addr[16]; +}; /* HW Data */ + +struct mana_rnic_config_addr_resp { + struct gdma_resp_hdr hdr; +}; /* HW Data */ + static inline bool rnic_is_enabled(struct mana_ib_dev *mdev) { return mdev->adapter_handle != INVALID_MANA_HANDLE; @@ -188,6 +213,14 @@ static inline struct net_device *mana_ib_get_netdev(struct ib_device *ibdev, u32 return mc->ports[port - 1]; } +static inline void copy_in_reverse(u8 *dst, const u8 *src, u32 size) +{ + u32 i; + + for (i = 0; i < size; i++) + dst[size - 1 - i] = src[i]; +} + int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq); int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem, @@ -266,4 +299,8 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index, int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey); enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num); + +int mana_ib_gd_add_gid(const struct ib_gid_attr *attr, void **context); + +int mana_ib_gd_del_gid(const struct ib_gid_attr *attr, void **context); #endif