mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-11-01 08:38:52 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
882
drivers/infiniband/hw/amso1100/c2_provider.c
Normal file
882
drivers/infiniband/hw/amso1100/c2_provider.c
Normal file
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@ -0,0 +1,882 @@
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/*
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* Copyright (c) 2005 Ammasso, Inc. All rights reserved.
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* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
|
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
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* SOFTWARE.
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*
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/pci.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/inetdevice.h>
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#include <linux/delay.h>
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#include <linux/ethtool.h>
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#include <linux/mii.h>
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#include <linux/if_vlan.h>
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#include <linux/crc32.h>
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#include <linux/in.h>
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#include <linux/ip.h>
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#include <linux/tcp.h>
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#include <linux/init.h>
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#include <linux/dma-mapping.h>
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#include <linux/if_arp.h>
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#include <linux/vmalloc.h>
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#include <linux/slab.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/byteorder.h>
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#include <rdma/ib_smi.h>
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#include <rdma/ib_umem.h>
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#include <rdma/ib_user_verbs.h>
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#include "c2.h"
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#include "c2_provider.h"
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#include "c2_user.h"
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static int c2_query_device(struct ib_device *ibdev,
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struct ib_device_attr *props)
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{
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struct c2_dev *c2dev = to_c2dev(ibdev);
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pr_debug("%s:%u\n", __func__, __LINE__);
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*props = c2dev->props;
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return 0;
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}
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static int c2_query_port(struct ib_device *ibdev,
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u8 port, struct ib_port_attr *props)
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{
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pr_debug("%s:%u\n", __func__, __LINE__);
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props->max_mtu = IB_MTU_4096;
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props->lid = 0;
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props->lmc = 0;
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props->sm_lid = 0;
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props->sm_sl = 0;
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props->state = IB_PORT_ACTIVE;
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props->phys_state = 0;
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props->port_cap_flags =
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IB_PORT_CM_SUP |
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IB_PORT_REINIT_SUP |
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IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
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props->gid_tbl_len = 1;
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props->pkey_tbl_len = 1;
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props->qkey_viol_cntr = 0;
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props->active_width = 1;
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props->active_speed = IB_SPEED_SDR;
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return 0;
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}
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static int c2_query_pkey(struct ib_device *ibdev,
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u8 port, u16 index, u16 * pkey)
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{
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pr_debug("%s:%u\n", __func__, __LINE__);
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*pkey = 0;
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return 0;
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}
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static int c2_query_gid(struct ib_device *ibdev, u8 port,
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int index, union ib_gid *gid)
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{
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struct c2_dev *c2dev = to_c2dev(ibdev);
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pr_debug("%s:%u\n", __func__, __LINE__);
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memset(&(gid->raw[0]), 0, sizeof(gid->raw));
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memcpy(&(gid->raw[0]), c2dev->pseudo_netdev->dev_addr, 6);
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return 0;
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}
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/* Allocate the user context data structure. This keeps track
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* of all objects associated with a particular user-mode client.
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*/
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static struct ib_ucontext *c2_alloc_ucontext(struct ib_device *ibdev,
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struct ib_udata *udata)
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{
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struct c2_ucontext *context;
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pr_debug("%s:%u\n", __func__, __LINE__);
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context = kmalloc(sizeof(*context), GFP_KERNEL);
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if (!context)
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return ERR_PTR(-ENOMEM);
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return &context->ibucontext;
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}
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static int c2_dealloc_ucontext(struct ib_ucontext *context)
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{
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pr_debug("%s:%u\n", __func__, __LINE__);
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kfree(context);
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return 0;
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}
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static int c2_mmap_uar(struct ib_ucontext *context, struct vm_area_struct *vma)
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{
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pr_debug("%s:%u\n", __func__, __LINE__);
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return -ENOSYS;
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}
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static struct ib_pd *c2_alloc_pd(struct ib_device *ibdev,
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struct ib_ucontext *context,
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struct ib_udata *udata)
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{
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struct c2_pd *pd;
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int err;
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pr_debug("%s:%u\n", __func__, __LINE__);
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pd = kmalloc(sizeof(*pd), GFP_KERNEL);
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if (!pd)
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return ERR_PTR(-ENOMEM);
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err = c2_pd_alloc(to_c2dev(ibdev), !context, pd);
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if (err) {
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kfree(pd);
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return ERR_PTR(err);
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}
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if (context) {
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if (ib_copy_to_udata(udata, &pd->pd_id, sizeof(__u32))) {
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c2_pd_free(to_c2dev(ibdev), pd);
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kfree(pd);
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return ERR_PTR(-EFAULT);
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}
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}
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return &pd->ibpd;
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}
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static int c2_dealloc_pd(struct ib_pd *pd)
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{
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pr_debug("%s:%u\n", __func__, __LINE__);
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c2_pd_free(to_c2dev(pd->device), to_c2pd(pd));
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kfree(pd);
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return 0;
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}
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static struct ib_ah *c2_ah_create(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
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{
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pr_debug("%s:%u\n", __func__, __LINE__);
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return ERR_PTR(-ENOSYS);
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}
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static int c2_ah_destroy(struct ib_ah *ah)
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{
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pr_debug("%s:%u\n", __func__, __LINE__);
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return -ENOSYS;
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}
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static void c2_add_ref(struct ib_qp *ibqp)
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{
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struct c2_qp *qp;
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BUG_ON(!ibqp);
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qp = to_c2qp(ibqp);
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atomic_inc(&qp->refcount);
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}
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static void c2_rem_ref(struct ib_qp *ibqp)
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{
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struct c2_qp *qp;
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BUG_ON(!ibqp);
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qp = to_c2qp(ibqp);
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if (atomic_dec_and_test(&qp->refcount))
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wake_up(&qp->wait);
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}
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struct ib_qp *c2_get_qp(struct ib_device *device, int qpn)
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{
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struct c2_dev* c2dev = to_c2dev(device);
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struct c2_qp *qp;
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qp = c2_find_qpn(c2dev, qpn);
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pr_debug("%s Returning QP=%p for QPN=%d, device=%p, refcount=%d\n",
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__func__, qp, qpn, device,
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(qp?atomic_read(&qp->refcount):0));
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return (qp?&qp->ibqp:NULL);
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}
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static struct ib_qp *c2_create_qp(struct ib_pd *pd,
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struct ib_qp_init_attr *init_attr,
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struct ib_udata *udata)
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{
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struct c2_qp *qp;
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int err;
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pr_debug("%s:%u\n", __func__, __LINE__);
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if (init_attr->create_flags)
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return ERR_PTR(-EINVAL);
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switch (init_attr->qp_type) {
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case IB_QPT_RC:
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qp = kzalloc(sizeof(*qp), GFP_KERNEL);
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if (!qp) {
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pr_debug("%s: Unable to allocate QP\n", __func__);
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return ERR_PTR(-ENOMEM);
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}
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spin_lock_init(&qp->lock);
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if (pd->uobject) {
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/* userspace specific */
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}
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err = c2_alloc_qp(to_c2dev(pd->device),
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to_c2pd(pd), init_attr, qp);
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if (err && pd->uobject) {
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/* userspace specific */
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}
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break;
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default:
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pr_debug("%s: Invalid QP type: %d\n", __func__,
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init_attr->qp_type);
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return ERR_PTR(-EINVAL);
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}
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if (err) {
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kfree(qp);
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return ERR_PTR(err);
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}
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return &qp->ibqp;
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}
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static int c2_destroy_qp(struct ib_qp *ib_qp)
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{
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struct c2_qp *qp = to_c2qp(ib_qp);
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pr_debug("%s:%u qp=%p,qp->state=%d\n",
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__func__, __LINE__, ib_qp, qp->state);
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c2_free_qp(to_c2dev(ib_qp->device), qp);
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kfree(qp);
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return 0;
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}
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static struct ib_cq *c2_create_cq(struct ib_device *ibdev, int entries, int vector,
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struct ib_ucontext *context,
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struct ib_udata *udata)
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{
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struct c2_cq *cq;
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int err;
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cq = kmalloc(sizeof(*cq), GFP_KERNEL);
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if (!cq) {
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pr_debug("%s: Unable to allocate CQ\n", __func__);
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return ERR_PTR(-ENOMEM);
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}
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err = c2_init_cq(to_c2dev(ibdev), entries, NULL, cq);
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if (err) {
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pr_debug("%s: error initializing CQ\n", __func__);
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kfree(cq);
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return ERR_PTR(err);
|
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}
|
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|
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return &cq->ibcq;
|
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}
|
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|
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static int c2_destroy_cq(struct ib_cq *ib_cq)
|
||||
{
|
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struct c2_cq *cq = to_c2cq(ib_cq);
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|
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pr_debug("%s:%u\n", __func__, __LINE__);
|
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|
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c2_free_cq(to_c2dev(ib_cq->device), cq);
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kfree(cq);
|
||||
|
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return 0;
|
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}
|
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|
||||
static inline u32 c2_convert_access(int acc)
|
||||
{
|
||||
return (acc & IB_ACCESS_REMOTE_WRITE ? C2_ACF_REMOTE_WRITE : 0) |
|
||||
(acc & IB_ACCESS_REMOTE_READ ? C2_ACF_REMOTE_READ : 0) |
|
||||
(acc & IB_ACCESS_LOCAL_WRITE ? C2_ACF_LOCAL_WRITE : 0) |
|
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C2_ACF_LOCAL_READ | C2_ACF_WINDOW_BIND;
|
||||
}
|
||||
|
||||
static struct ib_mr *c2_reg_phys_mr(struct ib_pd *ib_pd,
|
||||
struct ib_phys_buf *buffer_list,
|
||||
int num_phys_buf, int acc, u64 * iova_start)
|
||||
{
|
||||
struct c2_mr *mr;
|
||||
u64 *page_list;
|
||||
u32 total_len;
|
||||
int err, i, j, k, page_shift, pbl_depth;
|
||||
|
||||
pbl_depth = 0;
|
||||
total_len = 0;
|
||||
|
||||
page_shift = PAGE_SHIFT;
|
||||
/*
|
||||
* If there is only 1 buffer we assume this could
|
||||
* be a map of all phy mem...use a 32k page_shift.
|
||||
*/
|
||||
if (num_phys_buf == 1)
|
||||
page_shift += 3;
|
||||
|
||||
for (i = 0; i < num_phys_buf; i++) {
|
||||
|
||||
if (buffer_list[i].addr & ~PAGE_MASK) {
|
||||
pr_debug("Unaligned Memory Buffer: 0x%x\n",
|
||||
(unsigned int) buffer_list[i].addr);
|
||||
return ERR_PTR(-EINVAL);
|
||||
}
|
||||
|
||||
if (!buffer_list[i].size) {
|
||||
pr_debug("Invalid Buffer Size\n");
|
||||
return ERR_PTR(-EINVAL);
|
||||
}
|
||||
|
||||
total_len += buffer_list[i].size;
|
||||
pbl_depth += ALIGN(buffer_list[i].size,
|
||||
(1 << page_shift)) >> page_shift;
|
||||
}
|
||||
|
||||
page_list = vmalloc(sizeof(u64) * pbl_depth);
|
||||
if (!page_list) {
|
||||
pr_debug("couldn't vmalloc page_list of size %zd\n",
|
||||
(sizeof(u64) * pbl_depth));
|
||||
return ERR_PTR(-ENOMEM);
|
||||
}
|
||||
|
||||
for (i = 0, j = 0; i < num_phys_buf; i++) {
|
||||
|
||||
int naddrs;
|
||||
|
||||
naddrs = ALIGN(buffer_list[i].size,
|
||||
(1 << page_shift)) >> page_shift;
|
||||
for (k = 0; k < naddrs; k++)
|
||||
page_list[j++] = (buffer_list[i].addr +
|
||||
(k << page_shift));
|
||||
}
|
||||
|
||||
mr = kmalloc(sizeof(*mr), GFP_KERNEL);
|
||||
if (!mr) {
|
||||
vfree(page_list);
|
||||
return ERR_PTR(-ENOMEM);
|
||||
}
|
||||
|
||||
mr->pd = to_c2pd(ib_pd);
|
||||
mr->umem = NULL;
|
||||
pr_debug("%s - page shift %d, pbl_depth %d, total_len %u, "
|
||||
"*iova_start %llx, first pa %llx, last pa %llx\n",
|
||||
__func__, page_shift, pbl_depth, total_len,
|
||||
(unsigned long long) *iova_start,
|
||||
(unsigned long long) page_list[0],
|
||||
(unsigned long long) page_list[pbl_depth-1]);
|
||||
err = c2_nsmr_register_phys_kern(to_c2dev(ib_pd->device), page_list,
|
||||
(1 << page_shift), pbl_depth,
|
||||
total_len, 0, iova_start,
|
||||
c2_convert_access(acc), mr);
|
||||
vfree(page_list);
|
||||
if (err) {
|
||||
kfree(mr);
|
||||
return ERR_PTR(err);
|
||||
}
|
||||
|
||||
return &mr->ibmr;
|
||||
}
|
||||
|
||||
static struct ib_mr *c2_get_dma_mr(struct ib_pd *pd, int acc)
|
||||
{
|
||||
struct ib_phys_buf bl;
|
||||
u64 kva = 0;
|
||||
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
|
||||
/* AMSO1100 limit */
|
||||
bl.size = 0xffffffff;
|
||||
bl.addr = 0;
|
||||
return c2_reg_phys_mr(pd, &bl, 1, acc, &kva);
|
||||
}
|
||||
|
||||
static struct ib_mr *c2_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
|
||||
u64 virt, int acc, struct ib_udata *udata)
|
||||
{
|
||||
u64 *pages;
|
||||
u64 kva = 0;
|
||||
int shift, n, len;
|
||||
int i, k, entry;
|
||||
int err = 0;
|
||||
struct scatterlist *sg;
|
||||
struct c2_pd *c2pd = to_c2pd(pd);
|
||||
struct c2_mr *c2mr;
|
||||
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
|
||||
c2mr = kmalloc(sizeof(*c2mr), GFP_KERNEL);
|
||||
if (!c2mr)
|
||||
return ERR_PTR(-ENOMEM);
|
||||
c2mr->pd = c2pd;
|
||||
|
||||
c2mr->umem = ib_umem_get(pd->uobject->context, start, length, acc, 0);
|
||||
if (IS_ERR(c2mr->umem)) {
|
||||
err = PTR_ERR(c2mr->umem);
|
||||
kfree(c2mr);
|
||||
return ERR_PTR(err);
|
||||
}
|
||||
|
||||
shift = ffs(c2mr->umem->page_size) - 1;
|
||||
n = c2mr->umem->nmap;
|
||||
|
||||
pages = kmalloc(n * sizeof(u64), GFP_KERNEL);
|
||||
if (!pages) {
|
||||
err = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
i = 0;
|
||||
for_each_sg(c2mr->umem->sg_head.sgl, sg, c2mr->umem->nmap, entry) {
|
||||
len = sg_dma_len(sg) >> shift;
|
||||
for (k = 0; k < len; ++k) {
|
||||
pages[i++] =
|
||||
sg_dma_address(sg) +
|
||||
(c2mr->umem->page_size * k);
|
||||
}
|
||||
}
|
||||
|
||||
kva = virt;
|
||||
err = c2_nsmr_register_phys_kern(to_c2dev(pd->device),
|
||||
pages,
|
||||
c2mr->umem->page_size,
|
||||
i,
|
||||
length,
|
||||
c2mr->umem->offset,
|
||||
&kva,
|
||||
c2_convert_access(acc),
|
||||
c2mr);
|
||||
kfree(pages);
|
||||
if (err)
|
||||
goto err;
|
||||
return &c2mr->ibmr;
|
||||
|
||||
err:
|
||||
ib_umem_release(c2mr->umem);
|
||||
kfree(c2mr);
|
||||
return ERR_PTR(err);
|
||||
}
|
||||
|
||||
static int c2_dereg_mr(struct ib_mr *ib_mr)
|
||||
{
|
||||
struct c2_mr *mr = to_c2mr(ib_mr);
|
||||
int err;
|
||||
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
|
||||
err = c2_stag_dealloc(to_c2dev(ib_mr->device), ib_mr->lkey);
|
||||
if (err)
|
||||
pr_debug("c2_stag_dealloc failed: %d\n", err);
|
||||
else {
|
||||
if (mr->umem)
|
||||
ib_umem_release(mr->umem);
|
||||
kfree(mr);
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct c2_dev *c2dev = container_of(dev, struct c2_dev, ibdev.dev);
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
return sprintf(buf, "%x\n", c2dev->props.hw_ver);
|
||||
}
|
||||
|
||||
static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct c2_dev *c2dev = container_of(dev, struct c2_dev, ibdev.dev);
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
return sprintf(buf, "%x.%x.%x\n",
|
||||
(int) (c2dev->props.fw_ver >> 32),
|
||||
(int) (c2dev->props.fw_ver >> 16) & 0xffff,
|
||||
(int) (c2dev->props.fw_ver & 0xffff));
|
||||
}
|
||||
|
||||
static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
return sprintf(buf, "AMSO1100\n");
|
||||
}
|
||||
|
||||
static ssize_t show_board(struct device *dev, struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
return sprintf(buf, "%.*s\n", 32, "AMSO1100 Board ID");
|
||||
}
|
||||
|
||||
static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
|
||||
static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
|
||||
static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
|
||||
static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
|
||||
|
||||
static struct device_attribute *c2_dev_attributes[] = {
|
||||
&dev_attr_hw_rev,
|
||||
&dev_attr_fw_ver,
|
||||
&dev_attr_hca_type,
|
||||
&dev_attr_board_id
|
||||
};
|
||||
|
||||
static int c2_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
|
||||
int attr_mask, struct ib_udata *udata)
|
||||
{
|
||||
int err;
|
||||
|
||||
err =
|
||||
c2_qp_modify(to_c2dev(ibqp->device), to_c2qp(ibqp), attr,
|
||||
attr_mask);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int c2_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
static int c2_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
static int c2_process_mad(struct ib_device *ibdev,
|
||||
int mad_flags,
|
||||
u8 port_num,
|
||||
struct ib_wc *in_wc,
|
||||
struct ib_grh *in_grh,
|
||||
struct ib_mad *in_mad, struct ib_mad *out_mad)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
static int c2_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
|
||||
/* Request a connection */
|
||||
return c2_llp_connect(cm_id, iw_param);
|
||||
}
|
||||
|
||||
static int c2_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
|
||||
/* Accept the new connection */
|
||||
return c2_llp_accept(cm_id, iw_param);
|
||||
}
|
||||
|
||||
static int c2_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
|
||||
{
|
||||
int err;
|
||||
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
|
||||
err = c2_llp_reject(cm_id, pdata, pdata_len);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int c2_service_create(struct iw_cm_id *cm_id, int backlog)
|
||||
{
|
||||
int err;
|
||||
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
err = c2_llp_service_create(cm_id, backlog);
|
||||
pr_debug("%s:%u err=%d\n",
|
||||
__func__, __LINE__,
|
||||
err);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int c2_service_destroy(struct iw_cm_id *cm_id)
|
||||
{
|
||||
int err;
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
|
||||
err = c2_llp_service_destroy(cm_id);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int c2_pseudo_up(struct net_device *netdev)
|
||||
{
|
||||
struct in_device *ind;
|
||||
struct c2_dev *c2dev = netdev->ml_priv;
|
||||
|
||||
ind = in_dev_get(netdev);
|
||||
if (!ind)
|
||||
return 0;
|
||||
|
||||
pr_debug("adding...\n");
|
||||
for_ifa(ind) {
|
||||
#ifdef DEBUG
|
||||
u8 *ip = (u8 *) & ifa->ifa_address;
|
||||
|
||||
pr_debug("%s: %d.%d.%d.%d\n",
|
||||
ifa->ifa_label, ip[0], ip[1], ip[2], ip[3]);
|
||||
#endif
|
||||
c2_add_addr(c2dev, ifa->ifa_address, ifa->ifa_mask);
|
||||
}
|
||||
endfor_ifa(ind);
|
||||
in_dev_put(ind);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int c2_pseudo_down(struct net_device *netdev)
|
||||
{
|
||||
struct in_device *ind;
|
||||
struct c2_dev *c2dev = netdev->ml_priv;
|
||||
|
||||
ind = in_dev_get(netdev);
|
||||
if (!ind)
|
||||
return 0;
|
||||
|
||||
pr_debug("deleting...\n");
|
||||
for_ifa(ind) {
|
||||
#ifdef DEBUG
|
||||
u8 *ip = (u8 *) & ifa->ifa_address;
|
||||
|
||||
pr_debug("%s: %d.%d.%d.%d\n",
|
||||
ifa->ifa_label, ip[0], ip[1], ip[2], ip[3]);
|
||||
#endif
|
||||
c2_del_addr(c2dev, ifa->ifa_address, ifa->ifa_mask);
|
||||
}
|
||||
endfor_ifa(ind);
|
||||
in_dev_put(ind);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int c2_pseudo_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
|
||||
{
|
||||
kfree_skb(skb);
|
||||
return NETDEV_TX_OK;
|
||||
}
|
||||
|
||||
static int c2_pseudo_change_mtu(struct net_device *netdev, int new_mtu)
|
||||
{
|
||||
if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
|
||||
return -EINVAL;
|
||||
|
||||
netdev->mtu = new_mtu;
|
||||
|
||||
/* TODO: Tell rnic about new rmda interface mtu */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct net_device_ops c2_pseudo_netdev_ops = {
|
||||
.ndo_open = c2_pseudo_up,
|
||||
.ndo_stop = c2_pseudo_down,
|
||||
.ndo_start_xmit = c2_pseudo_xmit_frame,
|
||||
.ndo_change_mtu = c2_pseudo_change_mtu,
|
||||
.ndo_validate_addr = eth_validate_addr,
|
||||
};
|
||||
|
||||
static void setup(struct net_device *netdev)
|
||||
{
|
||||
netdev->netdev_ops = &c2_pseudo_netdev_ops;
|
||||
|
||||
netdev->watchdog_timeo = 0;
|
||||
netdev->type = ARPHRD_ETHER;
|
||||
netdev->mtu = 1500;
|
||||
netdev->hard_header_len = ETH_HLEN;
|
||||
netdev->addr_len = ETH_ALEN;
|
||||
netdev->tx_queue_len = 0;
|
||||
netdev->flags |= IFF_NOARP;
|
||||
}
|
||||
|
||||
static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
|
||||
{
|
||||
char name[IFNAMSIZ];
|
||||
struct net_device *netdev;
|
||||
|
||||
/* change ethxxx to iwxxx */
|
||||
strcpy(name, "iw");
|
||||
strcat(name, &c2dev->netdev->name[3]);
|
||||
netdev = alloc_netdev(0, name, NET_NAME_UNKNOWN, setup);
|
||||
if (!netdev) {
|
||||
printk(KERN_ERR PFX "%s - etherdev alloc failed",
|
||||
__func__);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
netdev->ml_priv = c2dev;
|
||||
|
||||
SET_NETDEV_DEV(netdev, &c2dev->pcidev->dev);
|
||||
|
||||
memcpy_fromio(netdev->dev_addr, c2dev->kva + C2_REGS_RDMA_ENADDR, 6);
|
||||
|
||||
/* Print out the MAC address */
|
||||
pr_debug("%s: MAC %pM\n", netdev->name, netdev->dev_addr);
|
||||
|
||||
#if 0
|
||||
/* Disable network packets */
|
||||
netif_stop_queue(netdev);
|
||||
#endif
|
||||
return netdev;
|
||||
}
|
||||
|
||||
int c2_register_device(struct c2_dev *dev)
|
||||
{
|
||||
int ret = -ENOMEM;
|
||||
int i;
|
||||
|
||||
/* Register pseudo network device */
|
||||
dev->pseudo_netdev = c2_pseudo_netdev_init(dev);
|
||||
if (!dev->pseudo_netdev)
|
||||
goto out;
|
||||
|
||||
ret = register_netdev(dev->pseudo_netdev);
|
||||
if (ret)
|
||||
goto out_free_netdev;
|
||||
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
strlcpy(dev->ibdev.name, "amso%d", IB_DEVICE_NAME_MAX);
|
||||
dev->ibdev.owner = THIS_MODULE;
|
||||
dev->ibdev.uverbs_cmd_mask =
|
||||
(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
|
||||
(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
|
||||
(1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
|
||||
(1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
|
||||
(1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
|
||||
(1ull << IB_USER_VERBS_CMD_REG_MR) |
|
||||
(1ull << IB_USER_VERBS_CMD_DEREG_MR) |
|
||||
(1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
|
||||
(1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
|
||||
(1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
|
||||
(1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
|
||||
(1ull << IB_USER_VERBS_CMD_CREATE_QP) |
|
||||
(1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
|
||||
(1ull << IB_USER_VERBS_CMD_POLL_CQ) |
|
||||
(1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
|
||||
(1ull << IB_USER_VERBS_CMD_POST_SEND) |
|
||||
(1ull << IB_USER_VERBS_CMD_POST_RECV);
|
||||
|
||||
dev->ibdev.node_type = RDMA_NODE_RNIC;
|
||||
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
|
||||
memcpy(&dev->ibdev.node_guid, dev->pseudo_netdev->dev_addr, 6);
|
||||
dev->ibdev.phys_port_cnt = 1;
|
||||
dev->ibdev.num_comp_vectors = 1;
|
||||
dev->ibdev.dma_device = &dev->pcidev->dev;
|
||||
dev->ibdev.query_device = c2_query_device;
|
||||
dev->ibdev.query_port = c2_query_port;
|
||||
dev->ibdev.query_pkey = c2_query_pkey;
|
||||
dev->ibdev.query_gid = c2_query_gid;
|
||||
dev->ibdev.alloc_ucontext = c2_alloc_ucontext;
|
||||
dev->ibdev.dealloc_ucontext = c2_dealloc_ucontext;
|
||||
dev->ibdev.mmap = c2_mmap_uar;
|
||||
dev->ibdev.alloc_pd = c2_alloc_pd;
|
||||
dev->ibdev.dealloc_pd = c2_dealloc_pd;
|
||||
dev->ibdev.create_ah = c2_ah_create;
|
||||
dev->ibdev.destroy_ah = c2_ah_destroy;
|
||||
dev->ibdev.create_qp = c2_create_qp;
|
||||
dev->ibdev.modify_qp = c2_modify_qp;
|
||||
dev->ibdev.destroy_qp = c2_destroy_qp;
|
||||
dev->ibdev.create_cq = c2_create_cq;
|
||||
dev->ibdev.destroy_cq = c2_destroy_cq;
|
||||
dev->ibdev.poll_cq = c2_poll_cq;
|
||||
dev->ibdev.get_dma_mr = c2_get_dma_mr;
|
||||
dev->ibdev.reg_phys_mr = c2_reg_phys_mr;
|
||||
dev->ibdev.reg_user_mr = c2_reg_user_mr;
|
||||
dev->ibdev.dereg_mr = c2_dereg_mr;
|
||||
|
||||
dev->ibdev.alloc_fmr = NULL;
|
||||
dev->ibdev.unmap_fmr = NULL;
|
||||
dev->ibdev.dealloc_fmr = NULL;
|
||||
dev->ibdev.map_phys_fmr = NULL;
|
||||
|
||||
dev->ibdev.attach_mcast = c2_multicast_attach;
|
||||
dev->ibdev.detach_mcast = c2_multicast_detach;
|
||||
dev->ibdev.process_mad = c2_process_mad;
|
||||
|
||||
dev->ibdev.req_notify_cq = c2_arm_cq;
|
||||
dev->ibdev.post_send = c2_post_send;
|
||||
dev->ibdev.post_recv = c2_post_receive;
|
||||
|
||||
dev->ibdev.iwcm = kmalloc(sizeof(*dev->ibdev.iwcm), GFP_KERNEL);
|
||||
if (dev->ibdev.iwcm == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto out_unregister_netdev;
|
||||
}
|
||||
dev->ibdev.iwcm->add_ref = c2_add_ref;
|
||||
dev->ibdev.iwcm->rem_ref = c2_rem_ref;
|
||||
dev->ibdev.iwcm->get_qp = c2_get_qp;
|
||||
dev->ibdev.iwcm->connect = c2_connect;
|
||||
dev->ibdev.iwcm->accept = c2_accept;
|
||||
dev->ibdev.iwcm->reject = c2_reject;
|
||||
dev->ibdev.iwcm->create_listen = c2_service_create;
|
||||
dev->ibdev.iwcm->destroy_listen = c2_service_destroy;
|
||||
|
||||
ret = ib_register_device(&dev->ibdev, NULL);
|
||||
if (ret)
|
||||
goto out_free_iwcm;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(c2_dev_attributes); ++i) {
|
||||
ret = device_create_file(&dev->ibdev.dev,
|
||||
c2_dev_attributes[i]);
|
||||
if (ret)
|
||||
goto out_unregister_ibdev;
|
||||
}
|
||||
goto out;
|
||||
|
||||
out_unregister_ibdev:
|
||||
ib_unregister_device(&dev->ibdev);
|
||||
out_free_iwcm:
|
||||
kfree(dev->ibdev.iwcm);
|
||||
out_unregister_netdev:
|
||||
unregister_netdev(dev->pseudo_netdev);
|
||||
out_free_netdev:
|
||||
free_netdev(dev->pseudo_netdev);
|
||||
out:
|
||||
pr_debug("%s:%u ret=%d\n", __func__, __LINE__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
void c2_unregister_device(struct c2_dev *dev)
|
||||
{
|
||||
pr_debug("%s:%u\n", __func__, __LINE__);
|
||||
unregister_netdev(dev->pseudo_netdev);
|
||||
free_netdev(dev->pseudo_netdev);
|
||||
ib_unregister_device(&dev->ibdev);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue