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Merge branches 'hfi1' and 'mlx' into k.o/for-4.9-rc

This commit is contained in:
Doug Ledford 2016-11-16 20:05:10 -05:00
parent 2b16056f84 6d931308f5
commit 6fa1f2f0aa
17 changed files with 203 additions and 50 deletions
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11
drivers/infiniband/core/addr.c
View File

@ -699,13 +699,16 @@ EXPORT_SYMBOL(rdma_addr_cancel);
struct resolve_cb_context {
struct rdma_dev_addr *addr;
struct completion comp;
int status;
};
static void resolve_cb(int status, struct sockaddr *src_addr,
struct rdma_dev_addr *addr, void *context)
{
memcpy(((struct resolve_cb_context *)context)->addr, addr, sizeof(struct
rdma_dev_addr));
if (!status)
memcpy(((struct resolve_cb_context *)context)->addr,
addr, sizeof(struct rdma_dev_addr));
((struct resolve_cb_context *)context)->status = status;
complete(&((struct resolve_cb_context *)context)->comp);
}
@ -743,6 +746,10 @@ int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid,
wait_for_completion(&ctx.comp);
ret = ctx.status;
if (ret)
return ret;
memcpy(dmac, dev_addr.dst_dev_addr, ETH_ALEN);
dev = dev_get_by_index(&init_net, dev_addr.bound_dev_if);
if (!dev)

126
drivers/infiniband/core/cm.c
View File

@ -80,6 +80,8 @@ static struct ib_cm {
__be32 random_id_operand;
struct list_head timewait_list;
struct workqueue_struct *wq;
/* Sync on cm change port state */
spinlock_t state_lock;
} cm;
/* Counter indexes ordered by attribute ID */
@ -161,6 +163,8 @@ struct cm_port {
struct ib_mad_agent *mad_agent;
struct kobject port_obj;
u8 port_num;
struct list_head cm_priv_prim_list;
struct list_head cm_priv_altr_list;
struct cm_counter_group counter_group[CM_COUNTER_GROUPS];
};
@ -241,6 +245,12 @@ struct cm_id_private {
u8 service_timeout;
u8 target_ack_delay;
struct list_head prim_list;
struct list_head altr_list;
/* Indicates that the send port mad is registered and av is set */
int prim_send_port_not_ready;
int altr_send_port_not_ready;
struct list_head work_list;
atomic_t work_count;
};
@ -259,20 +269,47 @@ static int cm_alloc_msg(struct cm_id_private *cm_id_priv,
struct ib_mad_agent *mad_agent;
struct ib_mad_send_buf *m;
struct ib_ah *ah;
struct cm_av *av;
unsigned long flags, flags2;
int ret = 0;
/* don't let the port to be released till the agent is down */
spin_lock_irqsave(&cm.state_lock, flags2);
spin_lock_irqsave(&cm.lock, flags);
if (!cm_id_priv->prim_send_port_not_ready)
av = &cm_id_priv->av;
else if (!cm_id_priv->altr_send_port_not_ready &&
(cm_id_priv->alt_av.port))
av = &cm_id_priv->alt_av;
else {
pr_info("%s: not valid CM id\n", __func__);
ret = -ENODEV;
spin_unlock_irqrestore(&cm.lock, flags);
goto out;
}
spin_unlock_irqrestore(&cm.lock, flags);
/* Make sure the port haven't released the mad yet */
mad_agent = cm_id_priv->av.port->mad_agent;
ah = ib_create_ah(mad_agent->qp->pd, &cm_id_priv->av.ah_attr);
if (IS_ERR(ah))
return PTR_ERR(ah);
if (!mad_agent) {
pr_info("%s: not a valid MAD agent\n", __func__);
ret = -ENODEV;
goto out;
}
ah = ib_create_ah(mad_agent->qp->pd, &av->ah_attr);
if (IS_ERR(ah)) {
ret = PTR_ERR(ah);
goto out;
}
m = ib_create_send_mad(mad_agent, cm_id_priv->id.remote_cm_qpn,
cm_id_priv->av.pkey_index,
av->pkey_index,
0, IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA,
GFP_ATOMIC,
IB_MGMT_BASE_VERSION);
if (IS_ERR(m)) {
ib_destroy_ah(ah);
return PTR_ERR(m);
ret = PTR_ERR(m);
goto out;
}
/* Timeout set by caller if response is expected. */
@ -282,7 +319,10 @@ static int cm_alloc_msg(struct cm_id_private *cm_id_priv,
atomic_inc(&cm_id_priv->refcount);
m->context[0] = cm_id_priv;
*msg = m;
return 0;
out:
spin_unlock_irqrestore(&cm.state_lock, flags2);
return ret;
}
static int cm_alloc_response_msg(struct cm_port *port,
@ -352,7 +392,8 @@ static void cm_init_av_for_response(struct cm_port *port, struct ib_wc *wc,
grh, &av->ah_attr);
}
static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av,
struct cm_id_private *cm_id_priv)
{
struct cm_device *cm_dev;
struct cm_port *port = NULL;
@ -387,7 +428,17 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
&av->ah_attr);
av->timeout = path->packet_life_time + 1;
return 0;
spin_lock_irqsave(&cm.lock, flags);
if (&cm_id_priv->av == av)
list_add_tail(&cm_id_priv->prim_list, &port->cm_priv_prim_list);
else if (&cm_id_priv->alt_av == av)
list_add_tail(&cm_id_priv->altr_list, &port->cm_priv_altr_list);
else
ret = -EINVAL;
spin_unlock_irqrestore(&cm.lock, flags);
return ret;
}
static int cm_alloc_id(struct cm_id_private *cm_id_priv)
@ -677,6 +728,8 @@ struct ib_cm_id *ib_create_cm_id(struct ib_device *device,
spin_lock_init(&cm_id_priv->lock);
init_completion(&cm_id_priv->comp);
INIT_LIST_HEAD(&cm_id_priv->work_list);
INIT_LIST_HEAD(&cm_id_priv->prim_list);
INIT_LIST_HEAD(&cm_id_priv->altr_list);
atomic_set(&cm_id_priv->work_count, -1);
atomic_set(&cm_id_priv->refcount, 1);
return &cm_id_priv->id;
@ -892,6 +945,15 @@ retest:
break;
}
spin_lock_irq(&cm.lock);
if (!list_empty(&cm_id_priv->altr_list) &&
(!cm_id_priv->altr_send_port_not_ready))
list_del(&cm_id_priv->altr_list);
if (!list_empty(&cm_id_priv->prim_list) &&
(!cm_id_priv->prim_send_port_not_ready))
list_del(&cm_id_priv->prim_list);
spin_unlock_irq(&cm.lock);
cm_free_id(cm_id->local_id);
cm_deref_id(cm_id_priv);
wait_for_completion(&cm_id_priv->comp);
@ -1192,12 +1254,13 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
goto out;
}
ret = cm_init_av_by_path(param->primary_path, &cm_id_priv->av);
ret = cm_init_av_by_path(param->primary_path, &cm_id_priv->av,
cm_id_priv);
if (ret)
goto error1;
if (param->alternate_path) {
ret = cm_init_av_by_path(param->alternate_path,
&cm_id_priv->alt_av);
&cm_id_priv->alt_av, cm_id_priv);
if (ret)
goto error1;
}
@ -1653,7 +1716,8 @@ static int cm_req_handler(struct cm_work *work)
dev_put(gid_attr.ndev);
}
work->path[0].gid_type = gid_attr.gid_type;
ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av);
ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av,
cm_id_priv);
}
if (ret) {
int err = ib_get_cached_gid(work->port->cm_dev->ib_device,
@ -1672,7 +1736,8 @@ static int cm_req_handler(struct cm_work *work)
goto rejected;
}
if (req_msg->alt_local_lid) {
ret = cm_init_av_by_path(&work->path[1], &cm_id_priv->alt_av);
ret = cm_init_av_by_path(&work->path[1], &cm_id_priv->alt_av,
cm_id_priv);
if (ret) {
ib_send_cm_rej(cm_id, IB_CM_REJ_INVALID_ALT_GID,
&work->path[0].sgid,
@ -2727,7 +2792,8 @@ int ib_send_cm_lap(struct ib_cm_id *cm_id,
goto out;
}
ret = cm_init_av_by_path(alternate_path, &cm_id_priv->alt_av);
ret = cm_init_av_by_path(alternate_path, &cm_id_priv->alt_av,
cm_id_priv);
if (ret)
goto out;
cm_id_priv->alt_av.timeout =
@ -2839,7 +2905,8 @@ static int cm_lap_handler(struct cm_work *work)
cm_init_av_for_response(work->port, work->mad_recv_wc->wc,
work->mad_recv_wc->recv_buf.grh,
&cm_id_priv->av);
cm_init_av_by_path(param->alternate_path, &cm_id_priv->alt_av);
cm_init_av_by_path(param->alternate_path, &cm_id_priv->alt_av,
cm_id_priv);
ret = atomic_inc_and_test(&cm_id_priv->work_count);
if (!ret)
list_add_tail(&work->list, &cm_id_priv->work_list);
@ -3031,7 +3098,7 @@ int ib_send_cm_sidr_req(struct ib_cm_id *cm_id,
return -EINVAL;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
ret = cm_init_av_by_path(param->path, &cm_id_priv->av);
ret = cm_init_av_by_path(param->path, &cm_id_priv->av, cm_id_priv);
if (ret)
goto out;
@ -3468,7 +3535,9 @@ out:
static int cm_migrate(struct ib_cm_id *cm_id)
{
struct cm_id_private *cm_id_priv;
struct cm_av tmp_av;
unsigned long flags;
int tmp_send_port_not_ready;
int ret = 0;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
@ -3477,7 +3546,14 @@ static int cm_migrate(struct ib_cm_id *cm_id)
(cm_id->lap_state == IB_CM_LAP_UNINIT ||
cm_id->lap_state == IB_CM_LAP_IDLE)) {
cm_id->lap_state = IB_CM_LAP_IDLE;
/* Swap address vector */
tmp_av = cm_id_priv->av;
cm_id_priv->av = cm_id_priv->alt_av;
cm_id_priv->alt_av = tmp_av;
/* Swap port send ready state */
tmp_send_port_not_ready = cm_id_priv->prim_send_port_not_ready;
cm_id_priv->prim_send_port_not_ready = cm_id_priv->altr_send_port_not_ready;
cm_id_priv->altr_send_port_not_ready = tmp_send_port_not_ready;
} else
ret = -EINVAL;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
@ -3888,6 +3964,9 @@ static void cm_add_one(struct ib_device *ib_device)
port->cm_dev = cm_dev;
port->port_num = i;
INIT_LIST_HEAD(&port->cm_priv_prim_list);
INIT_LIST_HEAD(&port->cm_priv_altr_list);
ret = cm_create_port_fs(port);
if (ret)
goto error1;
@ -3945,6 +4024,8 @@ static void cm_remove_one(struct ib_device *ib_device, void *client_data)
{
struct cm_device *cm_dev = client_data;
struct cm_port *port;
struct cm_id_private *cm_id_priv;
struct ib_mad_agent *cur_mad_agent;
struct ib_port_modify port_modify = {
.clr_port_cap_mask = IB_PORT_CM_SUP
};
@ -3968,15 +4049,27 @@ static void cm_remove_one(struct ib_device *ib_device, void *client_data)
port = cm_dev->port[i-1];
ib_modify_port(ib_device, port->port_num, 0, &port_modify);
/* Mark all the cm_id's as not valid */
spin_lock_irq(&cm.lock);
list_for_each_entry(cm_id_priv, &port->cm_priv_altr_list, altr_list)
cm_id_priv->altr_send_port_not_ready = 1;
list_for_each_entry(cm_id_priv, &port->cm_priv_prim_list, prim_list)
cm_id_priv->prim_send_port_not_ready = 1;
spin_unlock_irq(&cm.lock);
/*
* We flush the queue here after the going_down set, this
* verify that no new works will be queued in the recv handler,
* after that we can call the unregister_mad_agent
*/
flush_workqueue(cm.wq);
ib_unregister_mad_agent(port->mad_agent);
spin_lock_irq(&cm.state_lock);
cur_mad_agent = port->mad_agent;
port->mad_agent = NULL;
spin_unlock_irq(&cm.state_lock);
ib_unregister_mad_agent(cur_mad_agent);
cm_remove_port_fs(port);
}
device_unregister(cm_dev->device);
kfree(cm_dev);
}
@ -3989,6 +4082,7 @@ static int __init ib_cm_init(void)
INIT_LIST_HEAD(&cm.device_list);
rwlock_init(&cm.device_lock);
spin_lock_init(&cm.lock);
spin_lock_init(&cm.state_lock);
cm.listen_service_table = RB_ROOT;
cm.listen_service_id = be64_to_cpu(IB_CM_ASSIGN_SERVICE_ID);
cm.remote_id_table = RB_ROOT;

21
drivers/infiniband/core/cma.c
View File

@ -2436,6 +2436,18 @@ static int iboe_tos_to_sl(struct net_device *ndev, int tos)
return 0;
}
static enum ib_gid_type cma_route_gid_type(enum rdma_network_type network_type,
unsigned long supported_gids,
enum ib_gid_type default_gid)
{
if ((network_type == RDMA_NETWORK_IPV4 ||
network_type == RDMA_NETWORK_IPV6) &&
test_bit(IB_GID_TYPE_ROCE_UDP_ENCAP, &supported_gids))
return IB_GID_TYPE_ROCE_UDP_ENCAP;
return default_gid;
}
static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
{
struct rdma_route *route = &id_priv->id.route;
@ -2461,6 +2473,8 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
route->num_paths = 1;
if (addr->dev_addr.bound_dev_if) {
unsigned long supported_gids;
ndev = dev_get_by_index(&init_net, addr->dev_addr.bound_dev_if);
if (!ndev) {
ret = -ENODEV;
@ -2484,7 +2498,12 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
route->path_rec->net = &init_net;
route->path_rec->ifindex = ndev->ifindex;
route->path_rec->gid_type = id_priv->gid_type;
supported_gids = roce_gid_type_mask_support(id_priv->id.device,
id_priv->id.port_num);
route->path_rec->gid_type =
cma_route_gid_type(addr->dev_addr.network,
supported_gids,
id_priv->gid_type);
}
if (!ndev) {
ret = -ENODEV;

2
drivers/infiniband/core/umem.c
View File

@ -175,7 +175,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
cur_base = addr & PAGE_MASK;
if (npages == 0) {
if (npages == 0 || npages > UINT_MAX) {
ret = -EINVAL;
goto out;
}

7
drivers/infiniband/core/uverbs_main.c
View File

@ -262,12 +262,9 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
container_of(uobj, struct ib_uqp_object, uevent.uobject);
idr_remove_uobj(&ib_uverbs_qp_idr, uobj);
if (qp != qp->real_qp) {
ib_close_qp(qp);
} else {
if (qp == qp->real_qp)
ib_uverbs_detach_umcast(qp, uqp);
ib_destroy_qp(qp);
}
ib_destroy_qp(qp);
ib_uverbs_release_uevent(file, &uqp->uevent);
kfree(uqp);
}

5
drivers/infiniband/hw/mlx4/ah.c
View File

@ -102,7 +102,10 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
if (vlan_tag < 0x1000)
vlan_tag |= (ah_attr->sl & 7) << 13;
ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));
ah->av.eth.gid_index = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index);
ret = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index);
if (ret < 0)
return ERR_PTR(ret);
ah->av.eth.gid_index = ret;
ah->av.eth.vlan = cpu_to_be16(vlan_tag);
ah->av.eth.hop_limit = ah_attr->grh.hop_limit;
if (ah_attr->static_rate) {

5
drivers/infiniband/hw/mlx4/cq.c
View File

@ -253,11 +253,14 @@ struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
if (context)
if (ib_copy_to_udata(udata, &cq->mcq.cqn, sizeof (__u32))) {
err = -EFAULT;
goto err_dbmap;
goto err_cq_free;
}
return &cq->ibcq;
err_cq_free:
mlx4_cq_free(dev->dev, &cq->mcq);
err_dbmap:
if (context)
mlx4_ib_db_unmap_user(to_mucontext(context), &cq->db);

3
drivers/infiniband/hw/mlx5/cq.c
View File

@ -932,8 +932,7 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
if (err)
goto err_create;
} else {
/* for now choose 64 bytes till we have a proper interface */
cqe_size = 64;
cqe_size = cache_line_size() == 128 ? 128 : 64;
err = create_cq_kernel(dev, cq, entries, cqe_size, &cqb,
&index, &inlen);
if (err)

11
drivers/infiniband/hw/mlx5/main.c
View File

@ -2311,14 +2311,14 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
{
struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context;
struct ib_event ibev;
bool fatal = false;
u8 port = 0;
switch (event) {
case MLX5_DEV_EVENT_SYS_ERROR:
ibdev->ib_active = false;
ibev.event = IB_EVENT_DEVICE_FATAL;
mlx5_ib_handle_internal_error(ibdev);
fatal = true;
break;
case MLX5_DEV_EVENT_PORT_UP:
@ -2370,6 +2370,9 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
if (ibdev->ib_active)
ib_dispatch_event(&ibev);
if (fatal)
ibdev->ib_active = false;
}
static void get_ext_port_caps(struct mlx5_ib_dev *dev)
@ -3115,7 +3118,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
}
err = init_node_data(dev);
if (err)
goto err_dealloc;
goto err_free_port;
mutex_init(&dev->flow_db.lock);
mutex_init(&dev->cap_mask_mutex);
@ -3125,7 +3128,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
if (ll == IB_LINK_LAYER_ETHERNET) {
err = mlx5_enable_roce(dev);
if (err)
goto err_dealloc;
goto err_free_port;
}
err = create_dev_resources(&dev->devr);

2
drivers/infiniband/hw/mlx5/mlx5_ib.h
View File

@ -626,6 +626,8 @@ struct mlx5_ib_dev {
struct mlx5_ib_resources devr;
struct mlx5_mr_cache cache;
struct timer_list delay_timer;
/* Prevents soft lock on massive reg MRs */
struct mutex slow_path_mutex;
int fill_delay;
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
struct ib_odp_caps odp_caps;

6
drivers/infiniband/hw/mlx5/mr.c
View File

@ -610,6 +610,7 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
int err;
int i;
mutex_init(&dev->slow_path_mutex);
cache->wq = alloc_ordered_workqueue("mkey_cache", WQ_MEM_RECLAIM);
if (!cache->wq) {
mlx5_ib_warn(dev, "failed to create work queue\n");
@ -1182,9 +1183,12 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
goto error;
}
if (!mr)
if (!mr) {
mutex_lock(&dev->slow_path_mutex);
mr = reg_create(NULL, pd, virt_addr, length, umem, ncont,
page_shift, access_flags);
mutex_unlock(&dev->slow_path_mutex);
}
if (IS_ERR(mr)) {
err = PTR_ERR(mr);

12
drivers/infiniband/hw/mlx5/qp.c
View File

@ -2052,8 +2052,8 @@ struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n",
qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn,
to_mcq(init_attr->recv_cq)->mcq.cqn,
to_mcq(init_attr->send_cq)->mcq.cqn);
init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1,
init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1);
qp->trans_qp.xrcdn = xrcdn;
@ -4815,6 +4815,14 @@ struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
udata->inlen))
return ERR_PTR(-EOPNOTSUPP);
if (init_attr->log_ind_tbl_size >
MLX5_CAP_GEN(dev->mdev, log_max_rqt_size)) {
mlx5_ib_dbg(dev, "log_ind_tbl_size = %d is bigger than supported = %d\n",
init_attr->log_ind_tbl_size,
MLX5_CAP_GEN(dev->mdev, log_max_rqt_size));
return ERR_PTR(-EINVAL);
}
min_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved);
if (udata->outlen && udata->outlen < min_resp_len)
return ERR_PTR(-EINVAL);

8
drivers/infiniband/sw/rxe/rxe_net.c
View File

@ -243,10 +243,8 @@ static struct socket *rxe_setup_udp_tunnel(struct net *net, __be16 port,
{
int err;
struct socket *sock;
struct udp_port_cfg udp_cfg;
struct udp_tunnel_sock_cfg tnl_cfg;
memset(&udp_cfg, 0, sizeof(udp_cfg));
struct udp_port_cfg udp_cfg = {0};
struct udp_tunnel_sock_cfg tnl_cfg = {0};
if (ipv6) {
udp_cfg.family = AF_INET6;
@ -264,10 +262,8 @@ static struct socket *rxe_setup_udp_tunnel(struct net *net, __be16 port,
return ERR_PTR(err);
}
tnl_cfg.sk_user_data = NULL;
tnl_cfg.encap_type = 1;
tnl_cfg.encap_rcv = rxe_udp_encap_recv;
tnl_cfg.encap_destroy = NULL;
/* Setup UDP tunnel */
setup_udp_tunnel_sock(net, sock, &tnl_cfg);

2
drivers/infiniband/sw/rxe/rxe_qp.c
View File

@ -522,6 +522,7 @@ static void rxe_qp_reset(struct rxe_qp *qp)
if (qp->sq.queue) {
__rxe_do_task(&qp->comp.task);
__rxe_do_task(&qp->req.task);
rxe_queue_reset(qp->sq.queue);
}
/* cleanup attributes */
@ -573,6 +574,7 @@ void rxe_qp_error(struct rxe_qp *qp)
{
qp->req.state = QP_STATE_ERROR;
qp->resp.state = QP_STATE_ERROR;
qp->attr.qp_state = IB_QPS_ERR;
/* drain work and packet queues */
rxe_run_task(&qp->resp.task, 1);

9
drivers/infiniband/sw/rxe/rxe_queue.c
View File

@ -84,6 +84,15 @@ err1:
return -EINVAL;
}
inline void rxe_queue_reset(struct rxe_queue *q)
{
/* queue is comprised from header and the memory
* of the actual queue. See "struct rxe_queue_buf" in rxe_queue.h
* reset only the queue itself and not the management header
*/
memset(q->buf->data, 0, q->buf_size - sizeof(struct rxe_queue_buf));
}
struct rxe_queue *rxe_queue_init(struct rxe_dev *rxe,
int *num_elem,
unsigned int elem_size)

2
drivers/infiniband/sw/rxe/rxe_queue.h
View File

@ -84,6 +84,8 @@ int do_mmap_info(struct rxe_dev *rxe,
size_t buf_size,
struct rxe_mmap_info **ip_p);
void rxe_queue_reset(struct rxe_queue *q);
struct rxe_queue *rxe_queue_init(struct rxe_dev *rxe,
int *num_elem,
unsigned int elem_size);

21
drivers/infiniband/sw/rxe/rxe_req.c
View File

@ -696,7 +696,8 @@ next_wqe:
qp->req.wqe_index);
wqe->state = wqe_state_done;
wqe->status = IB_WC_SUCCESS;
goto complete;
__rxe_do_task(&qp->comp.task);
return 0;
}
payload = mtu;
}
@ -745,13 +746,17 @@ err:
wqe->status = IB_WC_LOC_PROT_ERR;
wqe->state = wqe_state_error;
complete:
if (qp_type(qp) != IB_QPT_RC) {
while (rxe_completer(qp) == 0)
;
}
return 0;
/*
* IBA Spec. Section 10.7.3.1 SIGNALED COMPLETIONS
* ---------8<---------8<-------------
* ...Note that if a completion error occurs, a Work Completion
* will always be generated, even if the signaling
* indicator requests an Unsignaled Completion.
* ---------8<---------8<-------------
*/
wqe->wr.send_flags |= IB_SEND_SIGNALED;
__rxe_do_task(&qp->comp.task);
return -EAGAIN;
exit:
return -EAGAIN;