ixgbe: fix Tx hang when RS distance exceeds HW limit

[dpdk.git] / doc / guides / rel_notes / release_2_2.rst

diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst
index c5d92ea..5636aad 100644 (file)
--- a/doc/guides/rel_notes/release_2_2.rst
+++ b/doc/guides/rel_notes/release_2_2.rst
@@ -134,6 +134,13 @@ Drivers
 
   VF needs the PF interrupt support initialized even if not started.
 
+* **ixgbe: Fixed TX hang when RS distance exceeds HW limit.**
+
+  Fixed an issue when TX queue can hang when a lot of highly fragmented
+  packets have to be sent.
+  As part of that fix, tx_rs_thresh for ixgbe PMD is not allowed to be greater
+  then to 32 to comply with HW restrictions.
+
 * **i40e: Fixed base driver allocation when not using first numa node.**
 
   Fixed i40e issue that occurred when a DPDK application didn't initialize
@@ -150,6 +157,11 @@ Drivers
 
   Added discarding packets on VSI to the stats and rectify the old statistics.
 
+* **i40e: Fixed issue of not freeing memzone.**
+
+  Fixed the issue of not freeing memzone in the call to free the memory for
+  adminq DMA.
+
 * **vhost: Fixed Qemu shutdown.**
 
   Fixed issue with libvirt ``virsh destroy`` not killing the VM.
@@ -162,12 +174,6 @@ Drivers
 
   Fixed issue when releasing null control queue.
 
-* **hash: Fixed thread scaling by reducing contention.**
-
-  Fixed issue in hash library where, using multiple cores with
-  hardware transactional memory support, thread scaling did not work,
-  due to the global ring that is shared by all cores.
-
 
 Libraries
 ~~~~~~~~~
@@ -183,6 +189,12 @@ Libraries
   key was not added in the table and the key was looked up,
   resulting in an incorrect hit.
 
+* **hash: Fixed thread scaling by reducing contention.**
+
+  Fixed issue in hash library where, using multiple cores with
+  hardware transactional memory support, thread scaling did not work,
+  due to the global ring that is shared by all cores.
+
 
 Examples
 ~~~~~~~~