[net-next] net: rmnet: set NETIF_F_LLTX flag

Message ID 20200308134706.18727-1-ap420073@gmail.com
State New
Headers show
Series
  • [net-next] net: rmnet: set NETIF_F_LLTX flag
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Commit Message

Taehee Yoo March 8, 2020, 1:47 p.m.
The rmnet_vnd_setup(), which is the callback of ->ndo_start_xmit() is
allowed to call concurrently because it uses RCU protected data.
So, it doesn't need tx lock.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
---
 drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
index d7c52e398e4a..d58b51d277f1 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
@@ -212,6 +212,8 @@  void rmnet_vnd_setup(struct net_device *rmnet_dev)
 	rmnet_dev->needs_free_netdev = true;
 	rmnet_dev->ethtool_ops = &rmnet_ethtool_ops;
 
+	rmnet_dev->features |= NETIF_F_LLTX;
+
 	/* This perm addr will be used as interface identifier by IPv6 */
 	rmnet_dev->addr_assign_type = NET_ADDR_RANDOM;
 	eth_random_addr(rmnet_dev->perm_addr);