aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBjoern A. Zeeb <bz@FreeBSD.org>2021-05-28 12:44:16 +0000
committerBjoern A. Zeeb <bz@FreeBSD.org>2021-06-18 17:55:30 +0000
commit801cf532e70f6b0ebfb2d536b235f166b2e6f0a4 (patch)
tree61d9d7f96164931484c8962d61d94d8a4926bb08
parent5bf6dca2c6dbf63d382e97905e205ded3e8525d2 (diff)
downloadsrc-801cf532e70f6b0ebfb2d536b235f166b2e6f0a4.tar.gz
src-801cf532e70f6b0ebfb2d536b235f166b2e6f0a4.zip
LinuxKPI: add KPI for netdev_notifier_info returning ifp
While currently the ifp gets cast to a net_device and then returned and consumers are expecting an ifp again, allow parallel usage now and in the future by extending and also passing the ifp directly back in the netdev_notifier_info. Add a function to return the ifp instead of the net_device. Sponsored by: The FreeBSD Foundation MFC after: 10 days Suggested by: hselasky Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D30522
-rw-r--r--sys/compat/linuxkpi/common/include/linux/netdevice.h7
-rw-r--r--sys/compat/linuxkpi/common/src/linux_compat.c5
2 files changed, 12 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/netdevice.h b/sys/compat/linuxkpi/common/include/linux/netdevice.h
index faff2fde5f32..1de31b3fa156 100644
--- a/sys/compat/linuxkpi/common/include/linux/netdevice.h
+++ b/sys/compat/linuxkpi/common/include/linux/netdevice.h
@@ -59,6 +59,7 @@
/* According to linux::ipoib_main.c. */
struct netdev_notifier_info {
struct net_device *dev;
+ struct ifnet *ifp;
};
static inline struct net_device *
@@ -67,6 +68,12 @@ netdev_notifier_info_to_dev(struct netdev_notifier_info *ni)
return (ni->dev);
}
+static inline struct ifnet *
+netdev_notifier_info_to_ifp(struct netdev_notifier_info *ni)
+{
+ return (ni->ifp);
+}
+
int register_netdevice_notifier(struct notifier_block *);
int register_inetaddr_notifier(struct notifier_block *);
int unregister_netdevice_notifier(struct notifier_block *);
diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c
index ef570dda542c..d4571173f93d 100644
--- a/sys/compat/linuxkpi/common/src/linux_compat.c
+++ b/sys/compat/linuxkpi/common/src/linux_compat.c
@@ -2315,6 +2315,7 @@ linux_handle_ifnet_link_event(void *arg, struct ifnet *ifp, int linkstate)
struct netdev_notifier_info ni;
nb = arg;
+ ni.ifp = ifp;
ni.dev = (struct net_device *)ifp;
if (linkstate == LINK_STATE_UP)
nb->notifier_call(nb, NETDEV_UP, &ni);
@@ -2329,6 +2330,7 @@ linux_handle_ifnet_arrival_event(void *arg, struct ifnet *ifp)
struct netdev_notifier_info ni;
nb = arg;
+ ni.ifp = ifp;
ni.dev = (struct net_device *)ifp;
nb->notifier_call(nb, NETDEV_REGISTER, &ni);
}
@@ -2340,6 +2342,7 @@ linux_handle_ifnet_departure_event(void *arg, struct ifnet *ifp)
struct netdev_notifier_info ni;
nb = arg;
+ ni.ifp = ifp;
ni.dev = (struct net_device *)ifp;
nb->notifier_call(nb, NETDEV_UNREGISTER, &ni);
}
@@ -2351,6 +2354,7 @@ linux_handle_iflladdr_event(void *arg, struct ifnet *ifp)
struct netdev_notifier_info ni;
nb = arg;
+ ni.ifp = ifp;
ni.dev = (struct net_device *)ifp;
nb->notifier_call(nb, NETDEV_CHANGEADDR, &ni);
}
@@ -2362,6 +2366,7 @@ linux_handle_ifaddr_event(void *arg, struct ifnet *ifp)
struct netdev_notifier_info ni;
nb = arg;
+ ni.ifp = ifp;
ni.dev = (struct net_device *)ifp;
nb->notifier_call(nb, NETDEV_CHANGEIFADDR, &ni);
}