[PATCH requirements 4/7] net-features: Add notification coalescing requirements

[Parav Pandit <parav@nvidia.com>]

Add virtio net device notification coalescing improvements requirements.

Signed-off-by: Parav Pandit <parav@nvidia.com>
---
 net-workstream/features-1.4.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net-workstream/features-1.4.md b/net-workstream/features-1.4.md
index 054f951..fc36f31 100644
--- a/net-workstream/features-1.4.md
+++ b/net-workstream/features-1.4.md
@@ -8,6 +8,7 @@ together is desired while updating the virtio net interface.
 # 2. Summary
 1. Device counters visible to the driver
 2. Low latency tx and rx virtqueues for PCI transport
+3. Virtqueue notification coalescing re-arming support
 
 # 3. Requirements
 ## 3.1 Device counters
@@ -143,3 +144,10 @@ struct vnet_rx_completion {
 7. The device should be able to indicate when a full page buffer is consumed,
    which can be recycled by the driver when the packets from the completed
    page is fully consumed.
+
+## 3.3 Virtqueue notification coalescing re-enable support
+1. Tx and Rx virtqueue notification coalescing should auto-disable on
+   notification reporting to the driver. The driver should be able to enable
+   coalescing after processing the packets per VQ. This ensures that when
+   networking stack decides to poll, no new notifications are generated when
+   per VQ notification coalescing is used.
-- 
2.26.2