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This has been a smaller cycle than normal. One new driver was accepted,
 which is unusual, and at least one more driver remains in review on the
 list.
 
 - Driver fixes for hns, hfi1, nes, rxe, i40iw, mlx5, cxgb4, vmw_pvrdma
 
 - Many patches from MatthewW converting radix tree and IDR users to use
   xarray
 
 - Introduction of tracepoints to the MAD layer
 
 - Build large SGLs at the start for DMA mapping and get the driver to
   split them
 
 - Generally clean SGL handling code throughout the subsystem
 
 - Support for restricting RDMA devices to net namespaces for containers
 
 - Progress to remove object allocation boilerplate code from drivers
 
 - Change in how the mlx5 driver shows representor ports linked to VFs
 
 - mlx5 uapi feature to access the on chip SW ICM memory
 
 - Add a new driver for 'EFA'. This is HW that supports user space packet
   processing through QPs in Amazon's cloud
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "This has been a smaller cycle than normal. One new driver was
  accepted, which is unusual, and at least one more driver remains in
  review on the list.

  Summary:

   - Driver fixes for hns, hfi1, nes, rxe, i40iw, mlx5, cxgb4,
     vmw_pvrdma

   - Many patches from MatthewW converting radix tree and IDR users to
     use xarray

   - Introduction of tracepoints to the MAD layer

   - Build large SGLs at the start for DMA mapping and get the driver to
     split them

   - Generally clean SGL handling code throughout the subsystem

   - Support for restricting RDMA devices to net namespaces for
     containers

   - Progress to remove object allocation boilerplate code from drivers

   - Change in how the mlx5 driver shows representor ports linked to VFs

   - mlx5 uapi feature to access the on chip SW ICM memory

   - Add a new driver for 'EFA'. This is HW that supports user space
     packet processing through QPs in Amazon's cloud"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (186 commits)
  RDMA/ipoib: Allow user space differentiate between valid dev_port
  IB/core, ipoib: Do not overreact to SM LID change event
  RDMA/device: Don't fire uevent before device is fully initialized
  lib/scatterlist: Remove leftover from sg_page_iter comment
  RDMA/efa: Add driver to Kconfig/Makefile
  RDMA/efa: Add the efa module
  RDMA/efa: Add EFA verbs implementation
  RDMA/efa: Add common command handlers
  RDMA/efa: Implement functions that submit and complete admin commands
  RDMA/efa: Add the ABI definitions
  RDMA/efa: Add the com service API definitions
  RDMA/efa: Add the efa_com.h file
  RDMA/efa: Add the efa.h header file
  RDMA/efa: Add EFA device definitions
  RDMA: Add EFA related definitions
  RDMA/umem: Remove hugetlb flag
  RDMA/bnxt_re: Use core helpers to get aligned DMA address
  RDMA/i40iw: Use core helpers to get aligned DMA address within a supported page size
  RDMA/verbs: Add a DMA iterator to return aligned contiguous memory blocks
  RDMA/umem: Add API to find best driver supported page size in an MR
  ...
This commit is contained in:
Linus Torvalds 2019-05-09 09:02:46 -07:00
commit dce45af5c2
251 changed files with 12535 additions and 4571 deletions
Download patch file Download diff file Expand all files Collapse all files

16
net/smc/smc_ib.c
View file

@ -146,18 +146,13 @@ out:
static int smc_ib_fill_mac(struct smc_ib_device *smcibdev, u8 ibport)
{
const struct ib_gid_attr *attr;
int rc = 0;
int rc;
attr = rdma_get_gid_attr(smcibdev->ibdev, ibport, 0);
if (IS_ERR(attr))
return -ENODEV;
if (attr->ndev)
memcpy(smcibdev->mac[ibport - 1], attr->ndev->dev_addr,
ETH_ALEN);
else
rc = -ENODEV;
rc = rdma_read_gid_l2_fields(attr, NULL, smcibdev->mac[ibport - 1]);
rdma_put_gid_attr(attr);
return rc;
}
@ -185,6 +180,7 @@ int smc_ib_determine_gid(struct smc_ib_device *smcibdev, u8 ibport,
unsigned short vlan_id, u8 gid[], u8 *sgid_index)
{
const struct ib_gid_attr *attr;
const struct net_device *ndev;
int i;
for (i = 0; i < smcibdev->pattr[ibport - 1].gid_tbl_len; i++) {
@ -192,11 +188,14 @@ int smc_ib_determine_gid(struct smc_ib_device *smcibdev, u8 ibport,
if (IS_ERR(attr))
continue;
if (attr->ndev &&
rcu_read_lock();
ndev = rdma_read_gid_attr_ndev_rcu(attr);
if (!IS_ERR(ndev) &&
((!vlan_id && !is_vlan_dev(attr->ndev)) ||
(vlan_id && is_vlan_dev(attr->ndev) &&
vlan_dev_vlan_id(attr->ndev) == vlan_id)) &&
attr->gid_type == IB_GID_TYPE_ROCE) {
rcu_read_unlock();
if (gid)
memcpy(gid, &attr->gid, SMC_GID_SIZE);
if (sgid_index)
@ -204,6 +203,7 @@ int smc_ib_determine_gid(struct smc_ib_device *smcibdev, u8 ibport,
rdma_put_gid_attr(attr);
return 0;
}
rcu_read_unlock();
rdma_put_gid_attr(attr);
}
return -ENODEV;