[RFC,1/3] ethdev: advertise MTU as retained across device stop/start

Message ID 1539157900-6208-2-git-send-email-arybchenko@solarflare.com
State Superseded, archived
Delegated to: Ferruh Yigit
Headers show
  • ethdev: document more retained across restart
Related show


Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Andrew Rybchenko Oct. 10, 2018, 7:51 a.m.
Changing MTU in running state may return -EBUSY saying that
MTU cannot be changed when the port is running. It assumes
that changes may be done in stopped and started (but some
PMDs may reject it) state and it is logical to require that
changes done in any of these states are retained.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 lib/librte_ethdev/rte_ethdev.h | 1 +
 1 file changed, 1 insertion(+)


diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 8dd1799e2..efe223b61 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -80,6 +80,7 @@ 
  * rte_eth_dev_stop()/rte_eth_dev_start(). The following configuration will
  * be retained:
+ *     - MTU
  *     - flow control settings
  *     - receive mode configuration (promiscuous mode, hardware checksum mode,
  *       RSS/VMDQ settings etc.)