Commit 452b6361 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband/rdma fixes from Roland Dreier:
 "Last late set of InfiniBand/RDMA fixes for 3.17:

   - fixes for the new memory region re-registration support
   - iSER initiator error path fixes
   - grab bag of small fixes for the qib and ocrdma hardware drivers
   - larger set of fixes for mlx4, especially in RoCE mode"

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (26 commits)
  IB/mlx4: Fix VF mac handling in RoCE
  IB/mlx4: Do not allow APM under RoCE
  IB/mlx4: Don't update QP1 in native mode
  IB/mlx4: Avoid accessing netdevice when building RoCE qp1 header
  mlx4: Fix mlx4 reg/unreg mac to work properly with 0-mac addresses
  IB/core: When marshaling uverbs path, clear unused fields
  IB/mlx4: Avoid executing gid task when device is being removed
  IB/mlx4: Fix lockdep splat for the iboe lock
  IB/mlx4: Get upper dev addresses as RoCE GIDs when port comes up
  IB/mlx4: Reorder steps in RoCE GID table initialization
  IB/mlx4: Don't duplicate the default RoCE GID
  IB/mlx4: Avoid null pointer dereference in mlx4_ib_scan_netdevs()
  IB/iser: Bump version to 1.4.1
  IB/iser: Allow bind only when connection state is UP
  IB/iser: Fix RX/TX CQ resource leak on error flow
  RDMA/ocrdma: Use right macro in query AH
  RDMA/ocrdma: Resolve L2 address when creating user AH
  mlx4: Correct error flows in rereg_mr
  IB/qib: Correct reference counting in debugfs qp_stats
  IPoIB: Remove unnecessary port query
  ...
parents ffd4341d 3bdad2d1
...@@ -105,6 +105,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, ...@@ -105,6 +105,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
umem->length = size; umem->length = size;
umem->offset = addr & ~PAGE_MASK; umem->offset = addr & ~PAGE_MASK;
umem->page_size = PAGE_SIZE; umem->page_size = PAGE_SIZE;
umem->pid = get_task_pid(current, PIDTYPE_PID);
/* /*
* We ask for writable memory if any access flags other than * We ask for writable memory if any access flags other than
* "remote read" are set. "Local write" and "remote write" * "remote read" are set. "Local write" and "remote write"
...@@ -198,6 +199,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, ...@@ -198,6 +199,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
if (ret < 0) { if (ret < 0) {
if (need_release) if (need_release)
__ib_umem_release(context->device, umem, 0); __ib_umem_release(context->device, umem, 0);
put_pid(umem->pid);
kfree(umem); kfree(umem);
} else } else
current->mm->pinned_vm = locked; current->mm->pinned_vm = locked;
...@@ -230,15 +232,19 @@ void ib_umem_release(struct ib_umem *umem) ...@@ -230,15 +232,19 @@ void ib_umem_release(struct ib_umem *umem)
{ {
struct ib_ucontext *context = umem->context; struct ib_ucontext *context = umem->context;
struct mm_struct *mm; struct mm_struct *mm;
struct task_struct *task;
unsigned long diff; unsigned long diff;
__ib_umem_release(umem->context->device, umem, 1); __ib_umem_release(umem->context->device, umem, 1);
mm = get_task_mm(current); task = get_pid_task(umem->pid, PIDTYPE_PID);
if (!mm) { put_pid(umem->pid);
kfree(umem); if (!task)
return; goto out;
} mm = get_task_mm(task);
put_task_struct(task);
if (!mm)
goto out;
diff = PAGE_ALIGN(umem->length + umem->offset) >> PAGE_SHIFT; diff = PAGE_ALIGN(umem->length + umem->offset) >> PAGE_SHIFT;
...@@ -262,9 +268,10 @@ void ib_umem_release(struct ib_umem *umem) ...@@ -262,9 +268,10 @@ void ib_umem_release(struct ib_umem *umem)
} else } else
down_write(&mm->mmap_sem); down_write(&mm->mmap_sem);
current->mm->pinned_vm -= diff; mm->pinned_vm -= diff;
up_write(&mm->mmap_sem); up_write(&mm->mmap_sem);
mmput(mm); mmput(mm);
out:
kfree(umem); kfree(umem);
} }
EXPORT_SYMBOL(ib_umem_release); EXPORT_SYMBOL(ib_umem_release);
......
...@@ -140,5 +140,9 @@ void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst, ...@@ -140,5 +140,9 @@ void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst,
dst->packet_life_time = src->packet_life_time; dst->packet_life_time = src->packet_life_time;
dst->preference = src->preference; dst->preference = src->preference;
dst->packet_life_time_selector = src->packet_life_time_selector; dst->packet_life_time_selector = src->packet_life_time_selector;
memset(dst->smac, 0, sizeof(dst->smac));
memset(dst->dmac, 0, sizeof(dst->dmac));
dst->vlan_id = 0xffff;
} }
EXPORT_SYMBOL(ib_copy_path_rec_from_user); EXPORT_SYMBOL(ib_copy_path_rec_from_user);
...@@ -54,7 +54,7 @@ static void __ipath_release_user_pages(struct page **p, size_t num_pages, ...@@ -54,7 +54,7 @@ static void __ipath_release_user_pages(struct page **p, size_t num_pages,
/* call with current->mm->mmap_sem held */ /* call with current->mm->mmap_sem held */
static int __ipath_get_user_pages(unsigned long start_page, size_t num_pages, static int __ipath_get_user_pages(unsigned long start_page, size_t num_pages,
struct page **p, struct vm_area_struct **vma) struct page **p)
{ {
unsigned long lock_limit; unsigned long lock_limit;
size_t got; size_t got;
...@@ -74,7 +74,7 @@ static int __ipath_get_user_pages(unsigned long start_page, size_t num_pages, ...@@ -74,7 +74,7 @@ static int __ipath_get_user_pages(unsigned long start_page, size_t num_pages,
ret = get_user_pages(current, current->mm, ret = get_user_pages(current, current->mm,
start_page + got * PAGE_SIZE, start_page + got * PAGE_SIZE,
num_pages - got, 1, 1, num_pages - got, 1, 1,
p + got, vma); p + got, NULL);
if (ret < 0) if (ret < 0)
goto bail_release; goto bail_release;
} }
...@@ -165,7 +165,7 @@ int ipath_get_user_pages(unsigned long start_page, size_t num_pages, ...@@ -165,7 +165,7 @@ int ipath_get_user_pages(unsigned long start_page, size_t num_pages,
down_write(&current->mm->mmap_sem); down_write(&current->mm->mmap_sem);
ret = __ipath_get_user_pages(start_page, num_pages, p, NULL); ret = __ipath_get_user_pages(start_page, num_pages, p);
up_write(&current->mm->mmap_sem); up_write(&current->mm->mmap_sem);
......
This diff is collapsed.
...@@ -451,6 +451,7 @@ struct mlx4_ib_iboe { ...@@ -451,6 +451,7 @@ struct mlx4_ib_iboe {
spinlock_t lock; spinlock_t lock;
struct net_device *netdevs[MLX4_MAX_PORTS]; struct net_device *netdevs[MLX4_MAX_PORTS];
struct net_device *masters[MLX4_MAX_PORTS]; struct net_device *masters[MLX4_MAX_PORTS];
atomic64_t mac[MLX4_MAX_PORTS];
struct notifier_block nb; struct notifier_block nb;
struct notifier_block nb_inet; struct notifier_block nb_inet;
struct notifier_block nb_inet6; struct notifier_block nb_inet6;
......
...@@ -234,14 +234,13 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, ...@@ -234,14 +234,13 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
0); 0);
if (IS_ERR(mmr->umem)) { if (IS_ERR(mmr->umem)) {
err = PTR_ERR(mmr->umem); err = PTR_ERR(mmr->umem);
/* Prevent mlx4_ib_dereg_mr from free'ing invalid pointer */
mmr->umem = NULL; mmr->umem = NULL;
goto release_mpt_entry; goto release_mpt_entry;
} }
n = ib_umem_page_count(mmr->umem); n = ib_umem_page_count(mmr->umem);
shift = ilog2(mmr->umem->page_size); shift = ilog2(mmr->umem->page_size);
mmr->mmr.iova = virt_addr;
mmr->mmr.size = length;
err = mlx4_mr_rereg_mem_write(dev->dev, &mmr->mmr, err = mlx4_mr_rereg_mem_write(dev->dev, &mmr->mmr,
virt_addr, length, n, shift, virt_addr, length, n, shift,
*pmpt_entry); *pmpt_entry);
...@@ -249,6 +248,8 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, ...@@ -249,6 +248,8 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
ib_umem_release(mmr->umem); ib_umem_release(mmr->umem);
goto release_mpt_entry; goto release_mpt_entry;
} }
mmr->mmr.iova = virt_addr;
mmr->mmr.size = length;
err = mlx4_ib_umem_write_mtt(dev, &mmr->mmr.mtt, mmr->umem); err = mlx4_ib_umem_write_mtt(dev, &mmr->mmr.mtt, mmr->umem);
if (err) { if (err) {
...@@ -262,6 +263,8 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, ...@@ -262,6 +263,8 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
* return a failure. But dereg_mr will free the resources. * return a failure. But dereg_mr will free the resources.
*/ */
err = mlx4_mr_hw_write_mpt(dev->dev, &mmr->mmr, pmpt_entry); err = mlx4_mr_hw_write_mpt(dev->dev, &mmr->mmr, pmpt_entry);
if (!err && flags & IB_MR_REREG_ACCESS)
mmr->mmr.access = mr_access_flags;
release_mpt_entry: release_mpt_entry:
mlx4_mr_hw_put_mpt(dev->dev, pmpt_entry); mlx4_mr_hw_put_mpt(dev->dev, pmpt_entry);
......
...@@ -964,9 +964,10 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, ...@@ -964,9 +964,10 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp,
MLX4_QP_STATE_RST, NULL, 0, 0, &qp->mqp)) MLX4_QP_STATE_RST, NULL, 0, 0, &qp->mqp))
pr_warn("modify QP %06x to RESET failed.\n", pr_warn("modify QP %06x to RESET failed.\n",
qp->mqp.qpn); qp->mqp.qpn);
if (qp->pri.smac) { if (qp->pri.smac || (!qp->pri.smac && qp->pri.smac_port)) {
mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac); mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac);
qp->pri.smac = 0; qp->pri.smac = 0;
qp->pri.smac_port = 0;
} }
if (qp->alt.smac) { if (qp->alt.smac) {
mlx4_unregister_mac(dev->dev, qp->alt.smac_port, qp->alt.smac); mlx4_unregister_mac(dev->dev, qp->alt.smac_port, qp->alt.smac);
...@@ -1325,7 +1326,8 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah, ...@@ -1325,7 +1326,8 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah,
* If one was already assigned, but the new mac differs, * If one was already assigned, but the new mac differs,
* unregister the old one and register the new one. * unregister the old one and register the new one.
*/ */
if (!smac_info->smac || smac_info->smac != smac) { if ((!smac_info->smac && !smac_info->smac_port) ||
smac_info->smac != smac) {
/* register candidate now, unreg if needed, after success */ /* register candidate now, unreg if needed, after success */
smac_index = mlx4_register_mac(dev->dev, port, smac); smac_index = mlx4_register_mac(dev->dev, port, smac);
if (smac_index >= 0) { if (smac_index >= 0) {
...@@ -1390,21 +1392,13 @@ static void update_mcg_macs(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp) ...@@ -1390,21 +1392,13 @@ static void update_mcg_macs(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp)
static int handle_eth_ud_smac_index(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, u8 *smac, static int handle_eth_ud_smac_index(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, u8 *smac,
struct mlx4_qp_context *context) struct mlx4_qp_context *context)
{ {
struct net_device *ndev;
u64 u64_mac; u64 u64_mac;
int smac_index; int smac_index;
u64_mac = atomic64_read(&dev->iboe.mac[qp->port - 1]);
ndev = dev->iboe.netdevs[qp->port - 1];
if (ndev) {
smac = ndev->dev_addr;
u64_mac = mlx4_mac_to_u64(smac);
} else {
u64_mac = dev->dev->caps.def_mac[qp->port];
}
context->pri_path.sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE | ((qp->port - 1) << 6); context->pri_path.sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE | ((qp->port - 1) << 6);
if (!qp->pri.smac) { if (!qp->pri.smac && !qp->pri.smac_port) {
smac_index = mlx4_register_mac(dev->dev, qp->port, u64_mac); smac_index = mlx4_register_mac(dev->dev, qp->port, u64_mac);
if (smac_index >= 0) { if (smac_index >= 0) {
qp->pri.candidate_smac_index = smac_index; qp->pri.candidate_smac_index = smac_index;
...@@ -1432,6 +1426,12 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, ...@@ -1432,6 +1426,12 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
int steer_qp = 0; int steer_qp = 0;
int err = -EINVAL; int err = -EINVAL;
/* APM is not supported under RoCE */
if (attr_mask & IB_QP_ALT_PATH &&
rdma_port_get_link_layer(&dev->ib_dev, qp->port) ==
IB_LINK_LAYER_ETHERNET)
return -ENOTSUPP;
context = kzalloc(sizeof *context, GFP_KERNEL); context = kzalloc(sizeof *context, GFP_KERNEL);
if (!context) if (!context)
return -ENOMEM; return -ENOMEM;
...@@ -1786,9 +1786,10 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, ...@@ -1786,9 +1786,10 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
if (qp->flags & MLX4_IB_QP_NETIF) if (qp->flags & MLX4_IB_QP_NETIF)
mlx4_ib_steer_qp_reg(dev, qp, 0); mlx4_ib_steer_qp_reg(dev, qp, 0);
} }
if (qp->pri.smac) { if (qp->pri.smac || (!qp->pri.smac && qp->pri.smac_port)) {
mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac); mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac);
qp->pri.smac = 0; qp->pri.smac = 0;
qp->pri.smac_port = 0;
} }
if (qp->alt.smac) { if (qp->alt.smac) {
mlx4_unregister_mac(dev->dev, qp->alt.smac_port, qp->alt.smac); mlx4_unregister_mac(dev->dev, qp->alt.smac_port, qp->alt.smac);
...@@ -1812,11 +1813,12 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, ...@@ -1812,11 +1813,12 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
if (err && steer_qp) if (err && steer_qp)
mlx4_ib_steer_qp_reg(dev, qp, 0); mlx4_ib_steer_qp_reg(dev, qp, 0);
kfree(context); kfree(context);
if (qp->pri.candidate_smac) { if (qp->pri.candidate_smac ||
(!qp->pri.candidate_smac && qp->pri.candidate_smac_port)) {
if (err) { if (err) {
mlx4_unregister_mac(dev->dev, qp->pri.candidate_smac_port, qp->pri.candidate_smac); mlx4_unregister_mac(dev->dev, qp->pri.candidate_smac_port, qp->pri.candidate_smac);
} else { } else {
if (qp->pri.smac) if (qp->pri.smac || (!qp->pri.smac && qp->pri.smac_port))
mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac); mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac);
qp->pri.smac = qp->pri.candidate_smac; qp->pri.smac = qp->pri.candidate_smac;
qp->pri.smac_index = qp->pri.candidate_smac_index; qp->pri.smac_index = qp->pri.candidate_smac_index;
...@@ -2089,6 +2091,16 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp, ...@@ -2089,6 +2091,16 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
return 0; return 0;
} }
static void mlx4_u64_to_smac(u8 *dst_mac, u64 src_mac)
{
int i;
for (i = ETH_ALEN; i; i--) {
dst_mac[i - 1] = src_mac & 0xff;
src_mac >>= 8;
}
}
static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
void *wqe, unsigned *mlx_seg_len) void *wqe, unsigned *mlx_seg_len)
{ {
...@@ -2203,7 +2215,6 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, ...@@ -2203,7 +2215,6 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
} }
if (is_eth) { if (is_eth) {
u8 *smac;
struct in6_addr in6; struct in6_addr in6;
u16 pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 29) << 13; u16 pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 29) << 13;
...@@ -2216,12 +2227,17 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr, ...@@ -2216,12 +2227,17 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
memcpy(&ctrl->imm, ah->av.eth.mac + 2, 4); memcpy(&ctrl->imm, ah->av.eth.mac + 2, 4);
memcpy(&in6, sgid.raw, sizeof(in6)); memcpy(&in6, sgid.raw, sizeof(in6));
if (!mlx4_is_mfunc(to_mdev(ib_dev)->dev)) if (!mlx4_is_mfunc(to_mdev(ib_dev)->dev)) {
smac = to_mdev(sqp->qp.ibqp.device)-> u64 mac = atomic64_read(&to_mdev(ib_dev)->iboe.mac[sqp->qp.port - 1]);
iboe.netdevs[sqp->qp.port - 1]->dev_addr; u8 smac[ETH_ALEN];
else /* use the src mac of the tunnel */
smac = ah->av.eth.s_mac; mlx4_u64_to_smac(smac, mac);
memcpy(sqp->ud_header.eth.smac_h, smac, 6); memcpy(sqp->ud_header.eth.smac_h, smac, ETH_ALEN);
} else {
/* use the src mac of the tunnel */
memcpy(sqp->ud_header.eth.smac_h, ah->av.eth.s_mac, ETH_ALEN);
}
if (!memcmp(sqp->ud_header.eth.smac_h, sqp->ud_header.eth.dmac_h, 6)) if (!memcmp(sqp->ud_header.eth.smac_h, sqp->ud_header.eth.dmac_h, 6))
mlx->flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK); mlx->flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK);
if (!is_vlan) { if (!is_vlan) {
......
...@@ -38,7 +38,7 @@ ...@@ -38,7 +38,7 @@
#define OCRDMA_VID_PCP_SHIFT 0xD #define OCRDMA_VID_PCP_SHIFT 0xD
static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
struct ib_ah_attr *attr, int pdid) struct ib_ah_attr *attr, union ib_gid *sgid, int pdid)
{ {
int status = 0; int status = 0;
u16 vlan_tag; bool vlan_enabled = false; u16 vlan_tag; bool vlan_enabled = false;
...@@ -49,8 +49,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, ...@@ -49,8 +49,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
memset(&eth, 0, sizeof(eth)); memset(&eth, 0, sizeof(eth));
memset(&grh, 0, sizeof(grh)); memset(&grh, 0, sizeof(grh));
ah->sgid_index = attr->grh.sgid_index; /* VLAN */
vlan_tag = attr->vlan_id; vlan_tag = attr->vlan_id;
if (!vlan_tag || (vlan_tag > 0xFFF)) if (!vlan_tag || (vlan_tag > 0xFFF))
vlan_tag = dev->pvid; vlan_tag = dev->pvid;
...@@ -65,15 +64,14 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, ...@@ -65,15 +64,14 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
eth.eth_type = cpu_to_be16(OCRDMA_ROCE_ETH_TYPE); eth.eth_type = cpu_to_be16(OCRDMA_ROCE_ETH_TYPE);
eth_sz = sizeof(struct ocrdma_eth_basic); eth_sz = sizeof(struct ocrdma_eth_basic);
} }
/* MAC */
memcpy(&eth.smac[0], &dev->nic_info.mac_addr[0], ETH_ALEN); memcpy(&eth.smac[0], &dev->nic_info.mac_addr[0], ETH_ALEN);
memcpy(&eth.dmac[0], attr->dmac, ETH_ALEN);
status = ocrdma_resolve_dmac(dev, attr, &eth.dmac[0]); status = ocrdma_resolve_dmac(dev, attr, &eth.dmac[0]);
if (status) if (status)
return status; return status;
status = ocrdma_query_gid(&dev->ibdev, 1, attr->grh.sgid_index, ah->sgid_index = attr->grh.sgid_index;
(union ib_gid *)&grh.sgid[0]); memcpy(&grh.sgid[0], sgid->raw, sizeof(union ib_gid));
if (status) memcpy(&grh.dgid[0], attr->grh.dgid.raw, sizeof(attr->grh.dgid.raw));
return status;
grh.tclass_flow = cpu_to_be32((6 << 28) | grh.tclass_flow = cpu_to_be32((6 << 28) |
(attr->grh.traffic_class << 24) | (attr->grh.traffic_class << 24) |
...@@ -81,8 +79,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah, ...@@ -81,8 +79,7 @@ static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
/* 0x1b is next header value in GRH */ /* 0x1b is next header value in GRH */
grh.pdid_hoplimit = cpu_to_be32((pdid << 16) | grh.pdid_hoplimit = cpu_to_be32((pdid << 16) |
(0x1b << 8) | attr->grh.hop_limit); (0x1b << 8) | attr->grh.hop_limit);
/* Eth HDR */
memcpy(&grh.dgid[0], attr->grh.dgid.raw, sizeof(attr->grh.dgid.raw));
memcpy(&ah->av->eth_hdr, &eth, eth_sz); memcpy(&ah->av->eth_hdr, &eth, eth_sz);
memcpy((u8 *)ah->av + eth_sz, &grh, sizeof(struct ocrdma_grh)); memcpy((u8 *)ah->av + eth_sz, &grh, sizeof(struct ocrdma_grh));
if (vlan_enabled) if (vlan_enabled)
...@@ -98,6 +95,8 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr) ...@@ -98,6 +95,8 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
struct ocrdma_ah *ah; struct ocrdma_ah *ah;
struct ocrdma_pd *pd = get_ocrdma_pd(ibpd); struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device); struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
union ib_gid sgid;
u8 zmac[ETH_ALEN];
if (!(attr->ah_flags & IB_AH_GRH)) if (!(attr->ah_flags & IB_AH_GRH))
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
...@@ -111,7 +110,27 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr) ...@@ -111,7 +110,27 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
status = ocrdma_alloc_av(dev, ah); status = ocrdma_alloc_av(dev, ah);
if (status) if (status)
goto av_err; goto av_err;
status = set_av_attr(dev, ah, attr, pd->id);
status = ocrdma_query_gid(&dev->ibdev, 1, attr->grh.sgid_index, &sgid);
if (status) {
pr_err("%s(): Failed to query sgid, status = %d\n",
__func__, status);
goto av_conf_err;
}
memset(&zmac, 0, ETH_ALEN);
if (pd->uctx &&
memcmp(attr->dmac, &zmac, ETH_ALEN)) {
status = rdma_addr_find_dmac_by_grh(&sgid, &attr->grh.dgid,
attr->dmac, &attr->vlan_id);
if (status) {
pr_err("%s(): Failed to resolve dmac from gid."
"status = %d\n", __func__, status);
goto av_conf_err;
}
}
status = set_av_attr(dev, ah, attr, &sgid, pd->id);
if (status) if (status)
goto av_conf_err; goto av_conf_err;
...@@ -145,7 +164,7 @@ int ocrdma_query_ah(struct ib_ah *ibah, struct ib_ah_attr *attr) ...@@ -145,7 +164,7 @@ int ocrdma_query_ah(struct ib_ah *ibah, struct ib_ah_attr *attr)
struct ocrdma_av *av = ah->av; struct ocrdma_av *av = ah->av;
struct ocrdma_grh *grh; struct ocrdma_grh *grh;
attr->ah_flags |= IB_AH_GRH; attr->ah_flags |= IB_AH_GRH;
if (ah->av->valid & Bit(1)) { if (ah->av->valid & OCRDMA_AV_VALID) {
grh = (struct ocrdma_grh *)((u8 *)ah->av + grh = (struct ocrdma_grh *)((u8 *)ah->av +
sizeof(struct ocrdma_eth_vlan)); sizeof(struct ocrdma_eth_vlan));
attr->sl = be16_to_cpu(av->eth_hdr.vlan_tag) >> 13; attr->sl = be16_to_cpu(av->eth_hdr.vlan_tag) >> 13;
......
...@@ -101,7 +101,7 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr) ...@@ -101,7 +101,7 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
attr->max_srq_sge = dev->attr.max_srq_sge; attr->max_srq_sge = dev->attr.max_srq_sge;
attr->max_srq_wr = dev->attr.max_rqe; attr->max_srq_wr = dev->attr.max_rqe;
attr->local_ca_ack_delay = dev->attr.local_ca_ack_delay; attr->local_ca_ack_delay = dev->attr.local_ca_ack_delay;
attr->max_fast_reg_page_list_len = 0; attr->max_fast_reg_page_list_len = dev->attr.max_pages_per_frmr;
attr->max_pkeys = 1; attr->max_pkeys = 1;
return 0; return 0;
} }
...@@ -2846,11 +2846,9 @@ int ocrdma_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags cq_flags) ...@@ -2846,11 +2846,9 @@ int ocrdma_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags cq_flags)
if (cq->first_arm) { if (cq->first_arm) {
ocrdma_ring_cq_db(dev, cq_id, arm_needed, sol_needed, 0); ocrdma_ring_cq_db(dev, cq_id, arm_needed, sol_needed, 0);
cq->first_arm = false; cq->first_arm = false;
goto skip_defer;
} }
cq->deferred_arm = true;
skip_defer: cq->deferred_arm = true;
cq->deferred_sol = sol_needed; cq->deferred_sol = sol_needed;
spin_unlock_irqrestore(&cq->cq_lock, flags); spin_unlock_irqrestore(&cq->cq_lock, flags);
......
...@@ -193,6 +193,7 @@ static void *_qp_stats_seq_start(struct seq_file *s, loff_t *pos) ...@@ -193,6 +193,7 @@ static void *_qp_stats_seq_start(struct seq_file *s, loff_t *pos)
struct qib_qp_iter *iter; struct qib_qp_iter *iter;
loff_t n = *pos; loff_t n = *pos;
rcu_read_lock();
iter = qib_qp_iter_init(s->private); iter = qib_qp_iter_init(s->private);
if (!iter) if (!iter)
return NULL; return NULL;
...@@ -224,7 +225,7 @@ static void *_qp_stats_seq_next(struct seq_file *s, void *iter_ptr, ...@@ -224,7 +225,7 @@ static void *_qp_stats_seq_next(struct seq_file *s, void *iter_ptr,
static void _qp_stats_seq_stop(struct seq_file *s, void *iter_ptr) static void _qp_stats_seq_stop(struct seq_file *s, void *iter_ptr)
{ {
/* nothing for now */ rcu_read_unlock();
} }
static int _qp_stats_seq_show(struct seq_file *s, void *iter_ptr) static int _qp_stats_seq_show(struct seq_file *s, void *iter_ptr)
......
...@@ -1325,7 +1325,6 @@ int qib_qp_iter_next(struct qib_qp_iter *iter) ...@@ -1325,7 +1325,6 @@ int qib_qp_iter_next(struct qib_qp_iter *iter)
struct qib_qp *pqp = iter->qp; struct qib_qp *pqp = iter->qp;
struct qib_qp *qp; struct qib_qp *qp;
rcu_read_lock();
for (; n < dev->qp_table_size; n++) { for (; n < dev->qp_table_size; n++) {
if (pqp) if (pqp)
qp = rcu_dereference(pqp->next); qp = rcu_dereference(pqp->next);
...@@ -1333,18 +1332,11 @@ int qib_qp_iter_next(struct qib_qp_iter *iter) ...@@ -1333,18 +1332,11 @@ int qib_qp_iter_next(struct qib_qp_iter *iter)
qp = rcu_dereference(dev->qp_table[n]); qp = rcu_dereference(dev->qp_table[n]);
pqp = qp; pqp = qp;
if (qp) { if (qp) {
if (iter->qp)
atomic_dec(&iter->qp->refcount);
atomic_inc(&qp->refcount);
rcu_read_unlock();
iter->qp = qp; iter->qp = qp;
iter->n = n; iter->n = n;
return 0; return 0;
} }
} }
rcu_read_unlock();
if (iter->qp)
atomic_dec(&iter->qp->refcount);
return ret; return ret;
} }
......
...@@ -52,7 +52,7 @@ static void __qib_release_user_pages(struct page **p, size_t num_pages, ...@@ -52,7 +52,7 @@ static void __qib_release_user_pages(struct page **p, size_t num_pages,
* Call with current->mm->mmap_sem held. * Call with current->mm->mmap_sem held.
*/ */
static int __qib_get_user_pages(unsigned long start_page, size_t num_pages, static int __qib_get_user_pages(unsigned long start_page, size_t num_pages,
struct page **p, struct vm_area_struct **vma) struct page **p)
{ {
unsigned long lock_limit; unsigned long lock_limit;
size_t got; size_t got;
...@@ -69,7 +69,7 @@ static int __qib_get_user_pages(unsigned long start_page, size_t num_pages, ...@@ -69,7 +69,7 @@ static int __qib_get_user_pages(unsigned long start_page, size_t num_pages,
ret = get_user_pages(current, current->mm, ret = get_user_pages(current, current->mm,
start_page + got * PAGE_SIZE, start_page + got * PAGE_SIZE,
num_pages - got, 1, 1, num_pages - got, 1, 1,
p + got, vma); p + got, NULL);
if (ret < 0) if (ret < 0)
goto bail_release; goto bail_release;
} }
...@@ -136,7 +136,7 @@ int qib_get_user_pages(unsigned long start_page, size_t num_pages, ...@@ -136,7 +136,7 @@ int qib_get_user_pages(unsigned long start_page, size_t num_pages,
down_write(&current->mm->mmap_sem); down_write(&current->mm->mmap_sem);
ret = __qib_get_user_pages(start_page, num_pages, p, NULL); ret = __qib_get_user_pages(start_page, num_pages, p);
up_write(&current->mm->mmap_sem); up_write(&current->mm->mmap_sem);
......
...@@ -529,21 +529,13 @@ void ipoib_mcast_join_task(struct work_struct *work) ...@@ -529,21 +529,13 @@ void ipoib_mcast_join_task(struct work_struct *work)
port_attr.state); port_attr.state);
return; return;
} }
priv->local_lid = port_attr.lid;
if (ib_query_gid(priv->ca, priv->port, 0, &priv->local_gid)) if (ib_query_gid(priv->ca, priv->port, 0, &priv->local_gid))
ipoib_warn(priv, "ib_query_gid() failed\n"); ipoib_warn(priv, "ib_query_gid() failed\n");
else else
memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid)); memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid));
{
struct ib_port_attr attr;
if (!ib_query_port(priv->ca, priv->port, &attr))
priv->local_lid = attr.lid;
else
ipoib_warn(priv, "ib_query_port failed\n");
}
if (!priv->broadcast) { if (!priv->broadcast) {
struct ipoib_mcast *broadcast; struct ipoib_mcast *broadcast;
......
...@@ -344,7 +344,6 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session, ...@@ -344,7 +344,6 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
int is_leading) int is_leading)
{ {
struct iscsi_conn *conn = cls_conn->dd_data; struct iscsi_conn *conn = cls_conn->dd_data;
struct iscsi_session *session;
struct iser_conn *ib_conn; struct iser_conn *ib_conn;
struct iscsi_endpoint *ep; struct iscsi_endpoint *ep;
int error; int error;
...@@ -363,9 +362,17 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session, ...@@ -363,9 +362,17 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
} }
ib_conn = ep->dd_data; ib_conn = ep->dd_data;
session = conn->session; mutex_lock(&ib_conn->state_mutex);
if (iser_alloc_rx_descriptors(ib_conn, session)) if (ib_conn->state != ISER_CONN_UP) {
return -ENOMEM; error = -EINVAL;
iser_err("iser_conn %p state is %d, teardown started\n",
ib_conn, ib_conn->state);
goto out;
}
error = iser_alloc_rx_descriptors(ib_conn, conn->session);
if (error)
goto out;
/* binds the iSER connection retrieved from the previously /* binds the iSER connection retrieved from the previously
* connected ep_handle to the iSCSI layer connection. exchanges * connected ep_handle to the iSCSI layer connection. exchanges
...@@ -375,7 +382,9 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session, ...@@ -375,7 +382,9 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
conn->dd_data = ib_conn; conn->dd_data = ib_conn;
ib_conn->iscsi_conn = conn; ib_conn->iscsi_conn = conn;
return 0; out:
mutex_unlock(&ib_conn->state_mutex);
return error;
} }
static int static int
......
...@@ -69,7 +69,7 @@ ...@@ -69,7 +69,7 @@
#define DRV_NAME "iser" #define DRV_NAME "iser"
#define PFX DRV_NAME ": " #define PFX DRV_NAME ": "
#define DRV_VER "1.4" #define DRV_VER "1.4.1"
#define iser_dbg(fmt, arg...) \ #define iser_dbg(fmt, arg...) \
do { \ do { \
......
...@@ -73,7 +73,7 @@ static int iser_create_device_ib_res(struct iser_device *device) ...@@ -73,7 +73,7 @@ static int iser_create_device_ib_res(struct iser_device *device)
{ {
struct iser_cq_desc *cq_desc; struct iser_cq_desc *cq_desc;
struct ib_device_attr *dev_attr = &device->dev_attr; struct ib_device_attr *dev_attr = &device->dev_attr;
int ret, i, j; int ret, i;
ret = ib_query_device(device->ib_device, dev_attr); ret = ib_query_device(device->ib_device, dev_attr);
if (ret) { if (ret) {
...@@ -125,16 +125,20 @@ static int iser_create_device_ib_res(struct iser_device *device) ...@@ -125,16 +125,20 @@ static int iser_create_device_ib_res(struct iser_device *device)
iser_cq_event_callback, iser_cq_event_callback,
(void *)&cq_desc[i], (void *)&cq_desc[i],
ISER_MAX_RX_CQ_LEN, i); ISER_MAX_RX_CQ_LEN, i);
if (IS_ERR(device->rx_cq[i])) if (IS_ERR(device->rx_cq[i])) {
device->rx_cq[i] = NULL;
goto cq_err; goto cq_err;
}
device->tx_cq[i] = ib_create_cq(device->ib_device, device->tx_cq[i] = ib_create_cq(device->ib_device,
NULL, iser_cq_event_callback, NULL, iser_cq_event_callback,
(void *)&cq_desc[i], (void *)&cq_desc[i],
ISER_MAX_TX_CQ_LEN, i); ISER_MAX_TX_CQ_LEN, i);
if (IS_ERR(device->tx_cq[i])) if (IS_ERR(device->tx_cq[i])) {
device->tx_cq[i] = NULL;
goto cq_err; goto cq_err;
}
if (ib_req_notify_cq(device->rx_cq[i], IB_CQ_NEXT_COMP)) if (ib_req_notify_cq(device->rx_cq[i], IB_CQ_NEXT_COMP))
goto cq_err; goto cq_err;
...@@ -160,14 +164,14 @@ static int iser_create_device_ib_res(struct iser_device *device) ...@@ -160,14 +164,14 @@ static int iser_create_device_ib_res(struct iser_device *device)
handler_err: handler_err:
ib_dereg_mr(device->mr); ib_dereg_mr(device->mr);
dma_mr_err: dma_mr_err:
for (j = 0; j < device->cqs_used; j++) for (i = 0; i < device->cqs_used; i++)
tasklet_kill(&device->cq_tasklet[j]); tasklet_kill(&device->cq_tasklet[i]);
cq_err: cq_err:
for (j = 0; j < i; j++) { for (i = 0; i < device->cqs_used; i++) {
if (device->tx_cq[j]) if (device->tx_cq[i])
ib_destroy_cq(device->tx_cq[j]); ib_destroy_cq(device->tx_cq[i]);
if (device->rx_cq[j]) if (device->rx_cq[i])
ib_destroy_cq(device->rx_cq[j]); ib_destroy_cq(device->rx_cq[i]);
} }
ib_dealloc_pd(device->pd); ib_dealloc_pd(device->pd);
pd_err: pd_err:
......
...@@ -298,6 +298,7 @@ static int mlx4_HW2SW_MPT(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox ...@@ -298,6 +298,7 @@ static int mlx4_HW2SW_MPT(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
} }
/* Must protect against concurrent access */
int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
struct mlx4_mpt_entry ***mpt_entry) struct mlx4_mpt_entry ***mpt_entry)
{ {
...@@ -305,13 +306,10 @@ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, ...@@ -305,13 +306,10 @@ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
int key = key_to_hw_index(mmr->key) & (dev->caps.num_mpts - 1); int key = key_to_hw_index(mmr->key) & (dev->caps.num_mpts - 1);
struct mlx4_cmd_mailbox *mailbox = NULL; struct mlx4_cmd_mailbox *mailbox = NULL;
/* Make sure that at this point we have single-threaded access only */
if (mmr->enabled != MLX4_MPT_EN_HW) if (mmr->enabled != MLX4_MPT_EN_HW)
return -EINVAL; return -EINVAL;
err = mlx4_HW2SW_MPT(dev, NULL, key); err = mlx4_HW2SW_MPT(dev, NULL, key);
if (err) { if (err) {
mlx4_warn(dev, "HW2SW_MPT failed (%d).", err); mlx4_warn(dev, "HW2SW_MPT failed (%d).", err);
mlx4_warn(dev, "Most likely the MR has MWs bound to it.\n"); mlx4_warn(dev, "Most likely the MR has MWs bound to it.\n");
...@@ -333,7 +331,6 @@ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, ...@@ -333,7 +331,6 @@ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
0, MLX4_CMD_QUERY_MPT, 0, MLX4_CMD_QUERY_MPT,
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_TIME_CLASS_B,
MLX4_CMD_WRAPPED); MLX4_CMD_WRAPPED);
if (err) if (err)
goto free_mailbox; goto free_mailbox;
...@@ -378,9 +375,10 @@ int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr, ...@@ -378,9 +375,10 @@ int mlx4_mr_hw_write_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
err = mlx4_SW2HW_MPT(dev, mailbox, key); err = mlx4_SW2HW_MPT(dev, mailbox, key);
} }
if (!err) {
mmr->pd = be32_to_cpu((*mpt_entry)->pd_flags) & MLX4_MPT_PD_MASK; mmr->pd = be32_to_cpu((*mpt_entry)->pd_flags) & MLX4_MPT_PD_MASK;
if (!err)
mmr->enabled = MLX4_MPT_EN_HW; mmr->enabled = MLX4_MPT_EN_HW;
}
return err; return err;
} }
EXPORT_SYMBOL_GPL(mlx4_mr_hw_write_mpt); EXPORT_SYMBOL_GPL(mlx4_mr_hw_write_mpt);
...@@ -400,11 +398,12 @@ EXPORT_SYMBOL_GPL(mlx4_mr_hw_put_mpt); ...@@ -400,11 +398,12 @@ EXPORT_SYMBOL_GPL(mlx4_mr_hw_put_mpt);
int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry, int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
u32 pdn) u32 pdn)
{ {
u32 pd_flags = be32_to_cpu(mpt_entry->pd_flags); u32 pd_flags = be32_to_cpu(mpt_entry->pd_flags) & ~MLX4_MPT_PD_MASK;
/* The wrapper function will put the slave's id here */ /* The wrapper function will put the slave's id here */
if (mlx4_is_mfunc(dev)) if (mlx4_is_mfunc(dev))
pd_flags &= ~MLX4_MPT_PD_VF_MASK; pd_flags &= ~MLX4_MPT_PD_VF_MASK;
mpt_entry->pd_flags = cpu_to_be32((pd_flags & ~MLX4_MPT_PD_MASK) |
mpt_entry->pd_flags = cpu_to_be32(pd_flags |
(pdn & MLX4_MPT_PD_MASK) (pdn & MLX4_MPT_PD_MASK)
| MLX4_MPT_PD_FLAG_EN_INV); | MLX4_MPT_PD_FLAG_EN_INV);
return 0; return 0;
...@@ -600,14 +599,18 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr, ...@@ -600,14 +599,18 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
{ {
int err; int err;
mpt_entry->start = cpu_to_be64(mr->iova); mpt_entry->start = cpu_to_be64(iova);
mpt_entry->length = cpu_to_be64(mr->size); mpt_entry->length = cpu_to_be64(size);
mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift); mpt_entry->entity_size = cpu_to_be32(page_shift);
err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt); err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt);
if (err) if (err)
return err; return err;
mpt_entry->pd_flags &= cpu_to_be32(MLX4_MPT_PD_MASK |
MLX4_MPT_PD_FLAG_EN_INV);
mpt_entry->flags &= cpu_to_be32(MLX4_MPT_FLAG_FREE |
MLX4_MPT_FLAG_SW_OWNS);
if (mr->mtt.order < 0) { if (mr->mtt.order < 0) {
mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL); mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL);
mpt_entry->mtt_addr = 0; mpt_entry->mtt_addr = 0;
...@@ -617,6 +620,14 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr, ...@@ -617,6 +620,14 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
if (mr->mtt.page_shift == 0) if (mr->mtt.page_shift == 0)
mpt_entry->mtt_sz = cpu_to_be32(1 << mr->mtt.order); mpt_entry->mtt_sz = cpu_to_be32(1 << mr->mtt.order);
} }
if (mr->mtt.order >= 0 && mr->mtt.page_shift == 0) {
/* fast register MR in free state */
mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_FREE);
mpt_entry->pd_flags |= cpu_to_be32(MLX4_MPT_PD_FLAG_FAST_REG |
MLX4_MPT_PD_FLAG_RAE);
} else {
mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_SW_OWNS);
}
mr->enabled = MLX4_MPT_EN_SW; mr->enabled = MLX4_MPT_EN_SW;
return 0; return 0;
......
...@@ -103,7 +103,8 @@ static int find_index(struct mlx4_dev *dev, ...@@ -103,7 +103,8 @@ static int find_index(struct mlx4_dev *dev,
int i; int i;
for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
if ((mac & MLX4_MAC_MASK) == if (table->refs[i] &&
(MLX4_MAC_MASK & mac) ==
(MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) (MLX4_MAC_MASK & be64_to_cpu(table->entries[i])))
return i; return i;
} }
...@@ -165,12 +166,14 @@ int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac) ...@@ -165,12 +166,14 @@ int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac)
mutex_lock(&table->mutex); mutex_lock(&table->mutex);
for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
if (free < 0 && !table->entries[i]) { if (!table->refs[i]) {
if (free < 0)
free = i; free = i;
continue; continue;
} }
if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) { if ((MLX4_MAC_MASK & mac) ==
(MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
/* MAC already registered, increment ref count */ /* MAC already registered, increment ref count */
err = i; err = i;
++table->refs[i]; ++table->refs[i];
......
...@@ -47,6 +47,7 @@ struct ib_umem { ...@@ -47,6 +47,7 @@ struct ib_umem {
int writable; int writable;
int hugetlb; int hugetlb;
struct work_struct work; struct work_struct work;
struct pid *pid;
struct mm_struct *mm; struct mm_struct *mm;
unsigned long diff; unsigned long diff;
struct sg_table sg_head; struct sg_table sg_head;
......
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