mirror of
https://github.com/torvalds/linux.git
synced 2024-12-05 10:32:35 +00:00
RDMA/siw: Make node GUIDs valid EUI-64 identifiers
>From the IBTA: "GUID (Global Unique Identifier): A globally unique EUI-64 compliant identifier." Make sure that siw GUIDs are valid EUI-64 identifiers. Link: https://lore.kernel.org/r/20190930231707.48259-6-bvanassche@acm.org Cc: Bernard Metzler <bmt@zurich.ibm.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
parent
30e0f6cf5a
commit
934f05b05d
@ -16,6 +16,7 @@
|
||||
#include <linux/module.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
|
||||
#include <net/addrconf.h>
|
||||
#include <rdma/ib_verbs.h>
|
||||
#include <rdma/ib_user_verbs.h>
|
||||
#include <rdma/rdma_netlink.h>
|
||||
@ -350,15 +351,19 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
|
||||
sdev->netdev = netdev;
|
||||
|
||||
if (netdev->type != ARPHRD_LOOPBACK) {
|
||||
memcpy(&base_dev->node_guid, netdev->dev_addr, 6);
|
||||
addrconf_addr_eui48((unsigned char *)&base_dev->node_guid,
|
||||
netdev->dev_addr);
|
||||
} else {
|
||||
/*
|
||||
* The loopback device does not have a HW address,
|
||||
* but connection mangagement lib expects gid != 0
|
||||
*/
|
||||
size_t gidlen = min_t(size_t, strlen(base_dev->name), 6);
|
||||
size_t len = min_t(size_t, strlen(base_dev->name), 6);
|
||||
char addr[6] = { };
|
||||
|
||||
memcpy(&base_dev->node_guid, base_dev->name, gidlen);
|
||||
memcpy(addr, base_dev->name, len);
|
||||
addrconf_addr_eui48((unsigned char *)&base_dev->node_guid,
|
||||
addr);
|
||||
}
|
||||
base_dev->uverbs_cmd_mask =
|
||||
(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
|
||||
|
Loading…
Reference in New Issue
Block a user