From b752eff5be24ec146393944848d2ffbef92b43a7 Mon Sep 17 00:00:00 2001
From: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Date: Sat, 2 Sep 2017 23:30:45 -0600
Subject: [PATCH] net: qualcomm: rmnet: Implement ndo_get_iflink
This makes it easier to find out the parent dev.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c | 2 +-
drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h | 1 +
drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 12 +++++++++++-
drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h | 3 ++-
4 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
index c0aed7cd0b886..6f21cd018a790 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
@@ -174,7 +174,7 @@ static int rmnet_newlink(struct net *src_net, struct net_device *dev,
goto err0;
r = rmnet_get_real_dev_info_rtnl(real_dev);
- err = rmnet_vnd_newlink(mux_id, dev, r);
+ err = rmnet_vnd_newlink(mux_id, dev, r, real_dev);
if (err)
goto err1;
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h
index 40b6b32216b6d..3212b25ad2bcd 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h
@@ -47,6 +47,7 @@ extern struct rtnl_link_ops rmnet_link_ops;
struct rmnet_priv {
struct rmnet_endpoint local_ep;
u8 mux_id;
+ struct net_device *real_dev;
};
struct rmnet_real_dev_info*
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
index a6de0419d68b4..f5c63b78338bc 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
@@ -63,9 +63,17 @@ static int rmnet_vnd_change_mtu(struct net_device *rmnet_dev, int new_mtu)
return 0;
}
+static int rmnet_vnd_get_iflink(const struct net_device *dev)
+{
+ struct rmnet_priv *priv = netdev_priv(dev);
+
+ return priv->real_dev->ifindex;
+}
+
static const struct net_device_ops rmnet_vnd_ops = {
.ndo_start_xmit = rmnet_vnd_start_xmit,
.ndo_change_mtu = rmnet_vnd_change_mtu,
+ .ndo_get_iflink = rmnet_vnd_get_iflink,
};
/* Called by kernel whenever a new rmnet<n> device is created. Sets MTU,
@@ -91,7 +99,8 @@ void rmnet_vnd_setup(struct net_device *rmnet_dev)
/* Exposed API */
int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev,
- struct rmnet_real_dev_info *r)
+ struct rmnet_real_dev_info *r,
+ struct net_device *real_dev)
{
struct rmnet_priv *priv;
int rc;
@@ -107,6 +116,7 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev,
priv = netdev_priv(rmnet_dev);
priv->mux_id = id;
+ priv->real_dev = real_dev;
netdev_dbg(rmnet_dev, "rmnet dev created\n");
}
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h
index 4823f38bc5631..9084e447eba89 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h
@@ -19,7 +19,8 @@
int rmnet_vnd_do_flow_control(struct net_device *dev, int enable);
struct rmnet_endpoint *rmnet_vnd_get_endpoint(struct net_device *dev);
int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev,
- struct rmnet_real_dev_info *r);
+ struct rmnet_real_dev_info *r,
+ struct net_device *real_dev);
int rmnet_vnd_dellink(u8 id, struct rmnet_real_dev_info *r);
void rmnet_vnd_rx_fixup(struct sk_buff *skb, struct net_device *dev);
void rmnet_vnd_tx_fixup(struct sk_buff *skb, struct net_device *dev);
--
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