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| author | Zhu Yanjun <yanjun.zhu@linux.dev> | 2026-03-12 19:30:55 -0700 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2026-03-30 13:47:43 -0400 |
| commit | a60e3f3d6fbab9dc45c653e5046307e0e7fcde98 (patch) | |
| tree | 386bb12d7a9db060bff52192f6c90be3fc14375b | |
| parent | 5aa437c93d90f486ff5428183323c971cfeb4294 (diff) | |
| download | linux-a60e3f3d6fbab9dc45c653e5046307e0e7fcde98.tar.gz linux-a60e3f3d6fbab9dc45c653e5046307e0e7fcde98.zip | |
RDMA/nldev: Add dellink function pointer
Add a dellink function pointer to rdma_link_ops to
allow drivers to clean up resources created during
newlink.
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://patch.msgid.link/20260313023058.13020-2-yanjun.zhu@linux.dev
Signed-off-by: Leon Romanovsky <leon@kernel.org>
| -rw-r--r-- | drivers/infiniband/core/nldev.c | 12 | ||||
| -rw-r--r-- | include/rdma/rdma_netlink.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index cb18699633e8..96c745d5bac4 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -1839,6 +1839,18 @@ static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, return -EINVAL; } + /* + * This path is triggered by the 'rdma link delete' administrative command. + * For Soft-RoCE (RXE), we ensure that transport sockets are closed here. + * Note: iWARP driver does not implement .dellink, so this logic is + * implicitly scoped to the driver supporting dynamic link deletion like RXE. + */ + if (device->link_ops && device->link_ops->dellink) { + err = device->link_ops->dellink(device); + if (err) + return err; + } + ib_unregister_device_and_put(device); return 0; } diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h index 326deaf56d5d..2fd1358ea57d 100644 --- a/include/rdma/rdma_netlink.h +++ b/include/rdma/rdma_netlink.h @@ -5,6 +5,7 @@ #include <linux/netlink.h> #include <uapi/rdma/rdma_netlink.h> +#include <rdma/ib_verbs.h> struct ib_device; @@ -126,6 +127,7 @@ struct rdma_link_ops { struct list_head list; const char *type; int (*newlink)(const char *ibdev_name, struct net_device *ndev); + int (*dellink)(struct ib_device *dev); }; void rdma_link_register(struct rdma_link_ops *ops); |