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ibcore: Make sure all GID entries are deleted upon a network device

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departure.

Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2017-07-03 08:28:35 +00:00
parent 478d300572
commit ddc6ee3792
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/bsd_rdma_4_9/; revision=320589
2 changed files with 36 additions and 5 deletions
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1
sys/ofed/drivers/infiniband/core/core_priv.h
View File

@ -115,6 +115,7 @@ int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
struct net_device *ndev);
void ib_cache_gid_del_all_by_netdev(struct net_device *ndev);
int roce_gid_mgmt_init(void);
void roce_gid_mgmt_cleanup(void);

40
sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c
View File

@ -48,7 +48,7 @@ enum gid_op_type {
GID_ADD
};
struct roce_gid_scan_event_work {
struct roce_netdev_event_work {
struct work_struct work;
struct net_device *ndev;
};
@ -288,8 +288,8 @@ roce_gid_update_addr_callback(struct ib_device *device, u8 port,
static void
roce_gid_queue_scan_event_handler(struct work_struct *_work)
{
struct roce_gid_scan_event_work *work =
container_of(_work, struct roce_gid_scan_event_work, work);
struct roce_netdev_event_work *work =
container_of(_work, struct roce_netdev_event_work, work);
ib_enum_all_roce_netdevs(roce_gid_match_netdev, work->ndev,
roce_gid_update_addr_callback, NULL);
@ -301,7 +301,7 @@ roce_gid_queue_scan_event_handler(struct work_struct *_work)
static void
roce_gid_queue_scan_event(struct net_device *ndev)
{
struct roce_gid_scan_event_work *work;
struct roce_netdev_event_work *work;
retry:
if (is_eth_ipoib_intf(ndev))
@ -330,14 +330,44 @@ roce_gid_queue_scan_event(struct net_device *ndev)
queue_work(roce_gid_mgmt_wq, &work->work);
}
static void
roce_gid_delete_all_event_handler(struct work_struct *_work)
{
struct roce_netdev_event_work *work =
container_of(_work, struct roce_netdev_event_work, work);
ib_cache_gid_del_all_by_netdev(work->ndev);
dev_put(work->ndev);
kfree(work);
}
static void
roce_gid_delete_all_event(struct net_device *ndev)
{
struct roce_netdev_event_work *work;
work = kmalloc(sizeof(*work), GFP_ATOMIC);
if (!work) {
pr_warn("roce_gid_mgmt: Couldn't allocate work for addr_event\n");
return;
}
INIT_WORK(&work->work, roce_gid_delete_all_event_handler);
dev_hold(ndev);
work->ndev = ndev;
queue_work(roce_gid_mgmt_wq, &work->work);
}
static int
inetaddr_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *ndev = ptr;
switch (event) {
case NETDEV_REGISTER:
case NETDEV_UNREGISTER:
roce_gid_delete_all_event(ndev);
break;
case NETDEV_REGISTER:
case NETDEV_CHANGEADDR:
case NETDEV_CHANGEIFADDR:
roce_gid_queue_scan_event(ndev);