doc: announce new ethdev field in Rx queue info

Struct rte_eth_rxq_info will be modified to include a new field, indicating
the size of each buffer that could be used for HW to receive packets. Add
this field to rte_eth_rxq_info to expose relevant information to upper
layer users/application.

For more details:
https://mails.dpdk.org/archives/dev/2020-July/176135.html

Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 9b4f623..3e7bc44 100644 (file)
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -215,6 +215,11 @@ Deprecation Notices
   specified lengths into the buffers allocated from the specified
   memory pools. The backward compatibility to existing API is preserved.
 
   specified lengths into the buffers allocated from the specified
   memory pools. The backward compatibility to existing API is preserved.
 

+* ethdev: The ``struct rte_eth_rxq_info`` will be modified to include
+  a new optional field, indicating the buffer size used in receiving packets
+  for HW. This change is planned for 20.11. For more details:
+  https://mails.dpdk.org/archives/dev/2020-July/176135.html.
+

 * ethdev: ``rx_descriptor_done`` dev_ops and ``rte_eth_rx_descriptor_done``
   will be deprecated in 20.11 and will be removed in 21.11.
   Existing ``rte_eth_rx_descriptor_status`` and ``rte_eth_tx_descriptor_status``
 * ethdev: ``rx_descriptor_done`` dev_ops and ``rte_eth_rx_descriptor_done``
   will be deprecated in 20.11 and will be removed in 21.11.
   Existing ``rte_eth_rx_descriptor_status`` and ``rte_eth_tx_descriptor_status``