From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/infiniband/sw/rxe/rxe.c | 177 +++++++++++++++++++---------------------------------------
1 files changed, 58 insertions(+), 119 deletions(-)
diff --git a/kernel/drivers/infiniband/sw/rxe/rxe.c b/kernel/drivers/infiniband/sw/rxe/rxe.c
index 6589ff5..95f0de0 100644
--- a/kernel/drivers/infiniband/sw/rxe/rxe.c
+++ b/kernel/drivers/infiniband/sw/rxe/rxe.c
@@ -1,36 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2015 System Fabric Works, Inc. 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
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
+#include <rdma/rdma_netlink.h>
#include <net/addrconf.h>
#include "rxe.h"
#include "rxe_loc.h"
@@ -39,19 +13,15 @@
MODULE_DESCRIPTION("Soft RDMA transport");
MODULE_LICENSE("Dual BSD/GPL");
-/* free resources for all ports on a device */
-static void rxe_cleanup_ports(struct rxe_dev *rxe)
-{
- kfree(rxe->port.pkey_tbl);
- rxe->port.pkey_tbl = NULL;
-
-}
+bool rxe_initialized;
/* free resources for a rxe device all objects created for this device must
* have been destroyed
*/
-static void rxe_cleanup(struct rxe_dev *rxe)
+void rxe_dealloc(struct ib_device *ib_dev)
{
+ struct rxe_dev *rxe = container_of(ib_dev, struct rxe_dev, ib_dev);
+
rxe_pool_cleanup(&rxe->uc_pool);
rxe_pool_cleanup(&rxe->pd_pool);
rxe_pool_cleanup(&rxe->ah_pool);
@@ -63,18 +33,8 @@
rxe_pool_cleanup(&rxe->mc_grp_pool);
rxe_pool_cleanup(&rxe->mc_elem_pool);
- rxe_cleanup_ports(rxe);
-
- crypto_free_shash(rxe->tfm);
-}
-
-/* called when all references have been dropped */
-void rxe_release(struct kref *kref)
-{
- struct rxe_dev *rxe = container_of(kref, struct rxe_dev, ref_cnt);
-
- rxe_cleanup(rxe);
- ib_dealloc_device(&rxe->ib_dev);
+ if (rxe->tfm)
+ crypto_free_shash(rxe->tfm);
}
/* initialize rxe device parameters */
@@ -82,12 +42,9 @@
{
rxe->max_inline_data = RXE_MAX_INLINE_DATA;
- rxe->attr.fw_ver = RXE_FW_VER;
+ rxe->attr.vendor_id = RXE_VENDOR_ID;
rxe->attr.max_mr_size = RXE_MAX_MR_SIZE;
rxe->attr.page_size_cap = RXE_PAGE_SIZE_CAP;
- rxe->attr.vendor_id = RXE_VENDOR_ID;
- rxe->attr.vendor_part_id = RXE_VENDOR_PART_ID;
- rxe->attr.hw_ver = RXE_HW_VER;
rxe->attr.max_qp = RXE_MAX_QP;
rxe->attr.max_qp_wr = RXE_MAX_QP_WR;
rxe->attr.device_cap_flags = RXE_DEVICE_CAP_FLAGS;
@@ -99,22 +56,13 @@
rxe->attr.max_mr = RXE_MAX_MR;
rxe->attr.max_pd = RXE_MAX_PD;
rxe->attr.max_qp_rd_atom = RXE_MAX_QP_RD_ATOM;
- rxe->attr.max_ee_rd_atom = RXE_MAX_EE_RD_ATOM;
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.max_ee = RXE_MAX_EE;
- rxe->attr.max_rdd = RXE_MAX_RDD;
- rxe->attr.max_mw = RXE_MAX_MW;
- rxe->attr.max_raw_ipv6_qp = RXE_MAX_RAW_IPV6_QP;
- rxe->attr.max_raw_ethy_qp = RXE_MAX_RAW_ETHY_QP;
+ rxe->attr.atomic_cap = IB_ATOMIC_HCA;
rxe->attr.max_mcast_grp = RXE_MAX_MCAST_GRP;
rxe->attr.max_mcast_qp_attach = RXE_MAX_MCAST_QP_ATTACH;
rxe->attr.max_total_mcast_qp_attach = RXE_MAX_TOT_MCAST_QP_ATTACH;
rxe->attr.max_ah = RXE_MAX_AH;
- rxe->attr.max_fmr = RXE_MAX_FMR;
- rxe->attr.max_map_per_fmr = RXE_MAX_MAP_PER_FMR;
rxe->attr.max_srq = RXE_MAX_SRQ;
rxe->attr.max_srq_wr = RXE_MAX_SRQ_WR;
rxe->attr.max_srq_sge = RXE_MAX_SRQ_SGE;
@@ -128,11 +76,11 @@
}
/* initialize port attributes */
-static int rxe_init_port_param(struct rxe_port *port)
+static void 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;
@@ -149,35 +97,21 @@
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;
}
/* initialize port state, note IB convention that HCA ports are always
* numbered from 1
*/
-static int rxe_init_ports(struct rxe_dev *rxe)
+static void rxe_init_ports(struct rxe_dev *rxe)
{
struct rxe_port *port = &rxe->port;
rxe_init_port_param(port);
-
- port->pkey_tbl = kcalloc(port->attr.pkey_tbl_len,
- sizeof(*port->pkey_tbl), GFP_KERNEL);
-
- if (!port->pkey_tbl)
- return -ENOMEM;
-
- port->pkey_tbl[0] = 0xffff;
addrconf_addr_eui48((unsigned char *)&port->port_guid,
rxe->ndev->dev_addr);
-
spin_lock_init(&port->port_lock);
-
- return 0;
}
/* init pools of managed objects */
@@ -267,28 +201,20 @@
/* init default device parameters */
rxe_init_device_param(rxe);
- err = rxe_init_ports(rxe);
- if (err)
- goto err1;
+ rxe_init_ports(rxe);
err = rxe_init_pools(rxe);
if (err)
- goto err2;
+ return err;
/* init pending mmap list */
spin_lock_init(&rxe->mmap_offset_lock);
spin_lock_init(&rxe->pending_lock);
INIT_LIST_HEAD(&rxe->pending_mmaps);
- INIT_LIST_HEAD(&rxe->list);
mutex_init(&rxe->usdev_lock);
return 0;
-
-err2:
- rxe_cleanup_ports(rxe);
-err1:
- return err;
}
void rxe_set_mtu(struct rxe_dev *rxe, unsigned int ndev_mtu)
@@ -299,7 +225,7 @@
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);
@@ -308,64 +234,77 @@
/* called by ifc layer to create new rxe device.
* The caller should allocate memory for rxe by calling ib_alloc_device.
*/
-int rxe_add(struct rxe_dev *rxe, unsigned int mtu)
+int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name)
{
int err;
- kref_init(&rxe->ref_cnt);
-
err = rxe_init(rxe);
if (err)
- goto err1;
+ return err;
rxe_set_mtu(rxe, mtu);
- err = rxe_register_device(rxe);
- if (err)
- goto err1;
+ return rxe_register_device(rxe, ibdev_name);
+}
- return 0;
+static int rxe_newlink(const char *ibdev_name, struct net_device *ndev)
+{
+ struct rxe_dev *exists;
+ int err = 0;
-err1:
- rxe_dev_put(rxe);
+ if (is_vlan_dev(ndev)) {
+ pr_err("rxe creation allowed on top of a real device only\n");
+ err = -EPERM;
+ goto err;
+ }
+
+ exists = rxe_get_dev_from_net(ndev);
+ if (exists) {
+ ib_device_put(&exists->ib_dev);
+ pr_err("already configured on %s\n", ndev->name);
+ err = -EEXIST;
+ goto err;
+ }
+
+ err = rxe_net_add(ibdev_name, ndev);
+ if (err) {
+ pr_err("failed to add %s\n", ndev->name);
+ goto err;
+ }
+err:
return err;
}
-/* called by the ifc layer to remove a device */
-void rxe_remove(struct rxe_dev *rxe)
-{
- rxe_unregister_device(rxe);
-
- rxe_dev_put(rxe);
-}
+static struct rdma_link_ops rxe_link_ops = {
+ .type = "rxe",
+ .newlink = rxe_newlink,
+};
static int __init rxe_module_init(void)
{
int err;
- /* initialize slab caches for managed objects */
- err = rxe_cache_init();
- if (err) {
- pr_err("unable to init object pools\n");
- return err;
- }
-
err = rxe_net_init();
if (err)
return err;
+ rdma_link_register(&rxe_link_ops);
+ rxe_initialized = true;
pr_info("loaded\n");
return 0;
}
static void __exit rxe_module_exit(void)
{
- rxe_remove_all();
+ rdma_link_unregister(&rxe_link_ops);
+ ib_unregister_driver(RDMA_DRIVER_RXE);
rxe_net_exit();
- rxe_cache_exit();
+ rxe_initialized = false;
pr_info("unloaded\n");
}
late_initcall(rxe_module_init);
module_exit(rxe_module_exit);
+
+MODULE_ALIAS_RDMA_LINK("rxe");
--
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