doc: announce CRC strip changes in release notes

Document changes done in
commit 323e7b667f18 ("ethdev: make default behavior CRC strip on Rx")

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
Reviewed-by: David Marchand <david.marchand@6wind.com>

diff --git a/doc/guides/rel_notes/release_18_11.rst b/doc/guides/rel_notes/release_18_11.rst
index a4f1d5d..9c00e33 100644 (file)
--- a/doc/guides/rel_notes/release_18_11.rst
+++ b/doc/guides/rel_notes/release_18_11.rst
@@ -112,6 +112,12 @@ API Changes
   flag the MAC can be properly configured in any case. This is particularly
   important for bonding.
 
+* The default behaviour of CRC strip offload changed. Without any specific Rx
+  offload flag, default behavior by PMD is now to strip CRC.
+  DEV_RX_OFFLOAD_CRC_STRIP offload flag has been removed.
+  To request keeping CRC, application should set ``DEV_RX_OFFLOAD_KEEP_CRC`` Rx
+  offload.
+
 
 ABI Changes
 -----------