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-rw-r--r--include/uapi/linux/dcbnl.h3
-rw-r--r--net/dcb/dcbnl.c5
2 files changed, 5 insertions, 3 deletions
diff --git a/include/uapi/linux/dcbnl.h b/include/uapi/linux/dcbnl.h
index 6bb43382f3f3..e711f20dc522 100644
--- a/include/uapi/linux/dcbnl.h
+++ b/include/uapi/linux/dcbnl.h
@@ -148,7 +148,8 @@ struct cee_pfc {
*
* @selector: protocol identifier type
* @protocol: protocol of type indicated
- * @priority: 3-bit unsigned integer indicating priority
+ * @priority: 3-bit unsigned integer indicating priority for IEEE
+ * 8-bit 802.1p user priority bitmap for CEE
*
* ----
* Selector field values
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index c34af7a1d2d4..ca11d283bbeb 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1776,7 +1776,7 @@ EXPORT_SYMBOL(dcb_getapp);
*
* Priority 0 is an invalid priority in CEE spec. This routine
* removes applications from the app list if the priority is
- * set to zero.
+ * set to zero. Priority is expected to be 8-bit 802.1p user priority bitmap
*/
int dcb_setapp(struct net_device *dev, struct dcb_app *new)
{
@@ -1837,7 +1837,8 @@ EXPORT_SYMBOL(dcb_ieee_getapp_mask);
*
* This adds Application data to the list. Multiple application
* entries may exists for the same selector and protocol as long
- * as the priorities are different.
+ * as the priorities are different. Priority is expected to be a
+ * 3-bit unsigned integer
*/
int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
{