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RDMA/ocrdma: Incorporate the moving of GID Table mgmt to IB/Core

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1.Change query_gid hook to return value from IB/Core GID
  management APIs.
2.Get rid of all the netdev notifier chain subscription code as well
  as maintenance of SGID Table in memory.
3.Implement get_netdev hook in driver.

Signed-off-by: Somnath Kotur <somnath.kotur@avagotech.com>
Signed-off-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Somnath Kotur
2015-07-30 18:33:31 +03:00
committed by Doug Ledford
parent 5070cd2239
commit cc36929e73
5 changed files with 60 additions and 233 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
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@@ -46,6 +46,7 @@
#include <rdma/iw_cm.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_cache.h>
#include "ocrdma.h"
#include "ocrdma_hw.h"
@@ -64,6 +65,7 @@ int ocrdma_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
int ocrdma_query_gid(struct ib_device *ibdev, u8 port,
int index, union ib_gid *sgid)
{
int ret;
struct ocrdma_dev *dev;
dev = get_ocrdma_dev(ibdev);
@@ -71,8 +73,28 @@ int ocrdma_query_gid(struct ib_device *ibdev, u8 port,
if (index >= OCRDMA_MAX_SGID)
return -EINVAL;
memcpy(sgid, &dev->sgid_tbl[index], sizeof(*sgid));
ret = ib_get_cached_gid(ibdev, port, index, sgid);
if (ret == -EAGAIN) {
memcpy(sgid, &zgid, sizeof(*sgid));
return 0;
}
return ret;
}
int ocrdma_add_gid(struct ib_device *device,
u8 port_num,
unsigned int index,
const union ib_gid *gid,
const struct ib_gid_attr *attr,
void **context) {
return 0;
}
int ocrdma_del_gid(struct ib_device *device,
u8 port_num,
unsigned int index,
void **context) {
return 0;
}
@@ -125,6 +147,24 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr,
return 0;
}
struct net_device *ocrdma_get_netdev(struct ib_device *ibdev, u8 port_num)
{
struct ocrdma_dev *dev;
struct net_device *ndev = NULL;
rcu_read_lock();
dev = get_ocrdma_dev(ibdev);
if (dev)
ndev = dev->nic_info.netdev;
if (ndev)
dev_hold(ndev);
rcu_read_unlock();
return ndev;
}
static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
u8 *ib_speed, u8 *ib_width)
{
@@ -194,7 +234,8 @@ int ocrdma_query_port(struct ib_device *ibdev,
props->port_cap_flags =
IB_PORT_CM_SUP |
IB_PORT_REINIT_SUP |
IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP | IB_PORT_IP_BASED_GIDS;
IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP |
IB_PORT_IP_BASED_GIDS;
props->gid_tbl_len = OCRDMA_MAX_SGID;
props->pkey_tbl_len = 1;
props->bad_pkey_cntr = 0;