netdev - [PATCH net-next 3/7] tun: reject unsupported coalescing params

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Message-Id: <20200306010602.1620354-4-kuba@kernel.org>
Date:   Thu,  5 Mar 2020 17:05:58 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
        linux-um@...ts.infradead.org, dledford@...hat.com, jgg@...pe.ca,
        leon@...nel.org, linux-rdma@...r.kernel.org, edumazet@...gle.com,
        jasowang@...hat.com, mkubecek@...e.cz, hayeswang@...ltek.com,
        doshir@...are.com, pv-drivers@...are.com, manishc@...vell.com,
        GR-Linux-NIC-Dev@...vell.com, gregkh@...uxfoundation.org,
        merez@...eaurora.org, kvalo@...eaurora.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 3/7] tun: reject unsupported coalescing params

Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.

This driver did not previously reject unsupported parameters.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/tun.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 79f248cb282d..9e8f23519e82 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -3597,6 +3597,7 @@ static int tun_set_coalesce(struct net_device *dev,
 }
 
 static const struct ethtool_ops tun_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_RX_MAX_FRAMES,
 	.get_drvinfo	= tun_get_drvinfo,
 	.get_msglevel	= tun_get_msglevel,
 	.set_msglevel	= tun_set_msglevel,
-- 
2.24.1