diff mbox series

[16/41] lnet: Add the ioctl handler for "add policy"

Message ID 1617583870-32029-17-git-send-email-jsimmons@infradead.org (mailing list archive)
State New, archived
Headers show
Series lustre: sync to OpenSFS branch as of March 1 | expand

Commit Message

James Simmons April 5, 2021, 12:50 a.m. UTC 
From: Sonia Sharma <sharmaso@whamcloud.com>

The ioctl handler for "add policy" de-marshals the
udsp rules passed from userspace and then add the
rules if there is no copy of the same rules already
added. Apply the rules to the existing LNet
constructs.

WC-bug-id: https://jira.whamcloud.com/browse/LU-9121
Lustre-commit: 1fdb21ac697c368 ("LU-9121 lnet: Add the ioctl handler for "add policy"")
Signed-off-by: Sonia Sharma <sharmaso@whamcloud.com>
Signed-off-by: Amir Shehata <ashehata@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/34514
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
 include/uapi/linux/lnet/libcfs_ioctl.h |  3 ++-
 net/lnet/lnet/api-ni.c                 | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/uapi/linux/lnet/libcfs_ioctl.h b/include/uapi/linux/lnet/libcfs_ioctl.h
index c9d42361..6cffa01 100644
--- a/include/uapi/linux/lnet/libcfs_ioctl.h
+++ b/include/uapi/linux/lnet/libcfs_ioctl.h
@@ -150,6 +150,7 @@  struct libcfs_ioctl_data {
 #define IOC_LIBCFS_SET_HEALHV		_IOWR(IOC_LIBCFS_TYPE, 102, IOCTL_CONFIG_SIZE)
 #define IOC_LIBCFS_GET_LOCAL_HSTATS	_IOWR(IOC_LIBCFS_TYPE, 103, IOCTL_CONFIG_SIZE)
 #define IOC_LIBCFS_GET_RECOVERY_QUEUE	_IOWR(IOC_LIBCFS_TYPE, 104, IOCTL_CONFIG_SIZE)
-#define IOC_LIBCFS_MAX_NR		104
+#define IOC_LIBCFS_ADD_UDSP		_IOWR(IOC_LIBCFS_TYPE, 105, IOCTL_CONFIG_SIZE)
+#define IOC_LIBCFS_MAX_NR				       105
 
 #endif /* __LIBCFS_IOCTL_H__ */
diff --git a/net/lnet/lnet/api-ni.c b/net/lnet/lnet/api-ni.c
index 9ff2776..fe8da30 100644
--- a/net/lnet/lnet/api-ni.c
+++ b/net/lnet/lnet/api-ni.c
@@ -4126,6 +4126,22 @@  u32 lnet_get_dlc_seq_locked(void)
 		return 0;
 	}
 
+	case IOC_LIBCFS_ADD_UDSP: {
+		struct lnet_ioctl_udsp *ioc_udsp = arg;
+		u32 bulk_size = ioc_udsp->iou_hdr.ioc_len;
+
+		mutex_lock(&the_lnet.ln_api_mutex);
+		rc = lnet_udsp_demarshal_add(arg, bulk_size);
+		if (!rc) {
+			rc = lnet_udsp_apply_policies(NULL, false);
+			CDEBUG(D_NET, "policy application returned %d\n", rc);
+			rc = 0;
+		}
+		mutex_unlock(&the_lnet.ln_api_mutex);
+
+		return rc;
+	}
+
 	default:
 		ni = lnet_net2ni_addref(data->ioc_net);
 		if (!ni)