On Monday, 19 May 2025 22:46:28 CEST Matthias Schiffer wrote:
> By passing the hard_iface to netdev_master_upper_dev_link() as private
> data, we can iterate over hardifs of a mesh interface more efficiently
> using netdev_for_each_lower_private*() (instead of iterating over the
> global hardif list). In addition, this will enable resolving a hardif
> from its netdev using netdev_lower_dev_get_private() and getting rid of
> the global list altogether in the following patches.
> 
> A similar approach can be seen in the bonding driver.
> 
> Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
> ---
>  net/batman-adv/bat_algo.h       |  1 -
>  net/batman-adv/bat_iv_ogm.c     | 25 +++++++--------------
>  net/batman-adv/bat_v.c          |  6 ++---
>  net/batman-adv/bat_v_elp.c      |  7 ++----
>  net/batman-adv/bat_v_ogm.c      | 12 ++++------
>  net/batman-adv/hard-interface.c | 39 ++++++++++++---------------------
>  net/batman-adv/main.c           |  6 ++---
>  net/batman-adv/mesh-interface.c |  6 ++---
>  net/batman-adv/multicast.c      |  6 ++---
>  net/batman-adv/netlink.c        |  6 ++---
>  net/batman-adv/originator.c     |  6 ++---
>  net/batman-adv/send.c           |  6 ++---
>  12 files changed, 43 insertions(+), 83 deletions(-)

Looks mostly good - I just want to modify the includes slightly (if it is ok for you):

index c165dede..ba5bea4c 100644
--- a/net/batman-adv/bat_algo.c
+++ b/net/batman-adv/bat_algo.c
@@ -14,6 +14,7 @@
 #include <linux/skbuff.h>
 #include <linux/stddef.h>
 #include <linux/string.h>
+#include <linux/types.h>
 #include <net/genetlink.h>
 #include <net/netlink.h>
 #include <uapi/linux/batman_adv.h>
diff --git a/net/batman-adv/bat_algo.h b/net/batman-adv/bat_algo.h
index 898c71b5..cdd1ccfe 100644
--- a/net/batman-adv/bat_algo.h
+++ b/net/batman-adv/bat_algo.h
@@ -11,7 +11,6 @@

 #include <linux/netlink.h>
 #include <linux/skbuff.h>
-#include <linux/types.h>

 extern char batadv_routing_algo[];

diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index 56b6216f..8df2dcc2 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -35,7 +35,6 @@
 #include <net/cfg80211.h>
 #include <uapi/linux/batadv_packet.h>

-#include "bat_algo.h"
 #include "bat_v_ogm.h"
 #include "hard-interface.h"
 #include "log.h"
diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c
index 5c955ac2..cab83d37 100644
--- a/net/batman-adv/bat_v_ogm.c
+++ b/net/batman-adv/bat_v_ogm.c
@@ -22,7 +22,6 @@
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/random.h>
-#include <linux/rculist.h>
 #include <linux/rcupdate.h>
 #include <linux/skbuff.h>
 #include <linux/slab.h>
@@ -33,7 +32,6 @@
 #include <linux/workqueue.h>
 #include <uapi/linux/batadv_packet.h>

-#include "bat_algo.h"
 #include "hard-interface.h"
 #include "hash.h"
 #include "log.h"
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index af1e644b..d41ce799 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -27,7 +27,6 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/printk.h>
-#include <linux/rculist.h>
 #include <linux/rcupdate.h>
 #include <linux/skbuff.h>
 #include <linux/slab.h>
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index 35d7ecee..5afb1b70 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -20,7 +20,6 @@
 #include <linux/if_vlan.h>
 #include <linux/init.h>
 #include <linux/limits.h>
-#include <linux/list.h>
 #include <linux/minmax.h>
 #include <linux/netdevice.h>
 #include <linux/netlink.h>
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 5e4168f8..c13e05d3 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -29,7 +29,6 @@
 #include <linux/workqueue.h>
 #include <uapi/linux/batadv_packet.h>

-#include "bat_algo.h"
 #include "distributed-arp-table.h"
 #include "fragmentation.h"
 #include "gateway_client.h"
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 788fcfd1..a9929948 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -21,7 +21,6 @@
 #include <linux/list.h>
 #include <linux/netdevice.h>
 #include <linux/printk.h>
-#include <linux/rculist.h>
 #include <linux/rcupdate.h>
 #include <linux/skbuff.h>
 #include <linux/slab.h>

Thanks,
	Sven