diff --git a/[refs] b/[refs]
index dd557af11c4c..b91c1bd7e036 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 626950db84c065925ee10c2e833da265cbda8800
+refs/heads/master: 80c2e716d555912168f93853f96a24d0de75897b
diff --git a/trunk/drivers/net/ethernet/sfc/net_driver.h b/trunk/drivers/net/ethernet/sfc/net_driver.h
index 9e900817d2ab..f74411fc000c 100644
--- a/trunk/drivers/net/ethernet/sfc/net_driver.h
+++ b/trunk/drivers/net/ethernet/sfc/net_driver.h
@@ -209,7 +209,8 @@ struct efx_tx_queue {
  * @page: The associated page buffer.
  *	Will be %NULL if the buffer slot is currently free.
  * @page_offset: Offset within page
- * @len: Buffer length, in bytes.
+ * @len: If pending: length for DMA descriptor.
+ *	If completed: received length, excluding hash prefix.
  * @flags: Flags for buffer and packet state.
  */
 struct efx_rx_buffer {
@@ -668,7 +669,8 @@ struct vfdi_status;
  * @n_channels: Number of channels in use
  * @n_rx_channels: Number of channels used for RX (= number of RX queues)
  * @n_tx_channels: Number of channels used for TX
- * @rx_buffer_len: RX buffer length
+ * @rx_buffer_len: RX buffer length, including start alignment but excluding
+ *	any metadata
  * @rx_buffer_order: Order (log2) of number of pages for each RX buffer
  * @rx_hash_key: Toeplitz hash key for RSS
  * @rx_indir_table: Indirection table for RSS