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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /net/batman-adv/hard-interface.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'net/batman-adv/hard-interface.h')
-rw-r--r--net/batman-adv/hard-interface.h155
1 files changed, 155 insertions, 0 deletions
diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h
new file mode 100644
index 000000000..af31696c3
--- /dev/null
+++ b/net/batman-adv/hard-interface.h
@@ -0,0 +1,155 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich
+ */
+
+#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
+#define _NET_BATMAN_ADV_HARD_INTERFACE_H_
+
+#include "main.h"
+
+#include <linux/compiler.h>
+#include <linux/init.h>
+#include <linux/kref.h>
+#include <linux/netdevice.h>
+#include <linux/rcupdate.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+/**
+ * enum batadv_hard_if_state - State of a hard interface
+ */
+enum batadv_hard_if_state {
+ /**
+ * @BATADV_IF_NOT_IN_USE: interface is not used as slave interface of a
+ * batman-adv mesh interface
+ */
+ BATADV_IF_NOT_IN_USE,
+
+ /**
+ * @BATADV_IF_TO_BE_REMOVED: interface will be removed from mesh
+ * interface
+ */
+ BATADV_IF_TO_BE_REMOVED,
+
+ /** @BATADV_IF_INACTIVE: interface is deactivated */
+ BATADV_IF_INACTIVE,
+
+ /** @BATADV_IF_ACTIVE: interface is used */
+ BATADV_IF_ACTIVE,
+
+ /** @BATADV_IF_TO_BE_ACTIVATED: interface is getting activated */
+ BATADV_IF_TO_BE_ACTIVATED,
+};
+
+/**
+ * enum batadv_hard_if_bcast - broadcast avoidance options
+ */
+enum batadv_hard_if_bcast {
+ /** @BATADV_HARDIF_BCAST_OK: Do broadcast on according hard interface */
+ BATADV_HARDIF_BCAST_OK = 0,
+
+ /**
+ * @BATADV_HARDIF_BCAST_NORECIPIENT: Broadcast not needed, there is no
+ * recipient
+ */
+ BATADV_HARDIF_BCAST_NORECIPIENT,
+
+ /**
+ * @BATADV_HARDIF_BCAST_DUPFWD: There is just the neighbor we got it
+ * from
+ */
+ BATADV_HARDIF_BCAST_DUPFWD,
+
+ /** @BATADV_HARDIF_BCAST_DUPORIG: There is just the originator */
+ BATADV_HARDIF_BCAST_DUPORIG,
+};
+
+extern struct notifier_block batadv_hard_if_notifier;
+
+struct net_device *__batadv_get_real_netdev(struct net_device *net_device);
+struct net_device *batadv_get_real_netdev(struct net_device *net_device);
+u32 batadv_netdev_get_wifi_flags(struct net_device *net_dev);
+u32 batadv_hardif_get_wifi_flags(struct batadv_hard_iface *hard_iface);
+bool batadv_is_wifi_hardif(struct batadv_hard_iface *hard_iface);
+struct batadv_hard_iface*
+batadv_hardif_get_by_netdev(const struct net_device *net_dev);
+int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
+ struct net_device *mesh_iface);
+void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface);
+int batadv_hardif_min_mtu(struct net_device *mesh_iface);
+void batadv_update_min_mtu(struct net_device *mesh_iface);
+void batadv_hardif_release(struct kref *ref);
+int batadv_hardif_no_broadcast(struct batadv_hard_iface *if_outgoing,
+ u8 *orig_addr, u8 *orig_neigh);
+int __init batadv_wifi_net_devices_init(void);
+void batadv_wifi_net_devices_deinit(void);
+
+/**
+ * batadv_hardif_put() - decrement the hard interface refcounter and possibly
+ * release it
+ * @hard_iface: the hard interface to free
+ */
+static inline void batadv_hardif_put(struct batadv_hard_iface *hard_iface)
+{
+ if (!hard_iface)
+ return;
+
+ kref_put(&hard_iface->refcount, batadv_hardif_release);
+}
+
+/**
+ * batadv_primary_if_get_selected() - Get reference to primary interface
+ * @bat_priv: the bat priv with all the mesh interface information
+ *
+ * Return: primary interface (with increased refcnt), otherwise NULL
+ */
+static inline struct batadv_hard_iface *
+batadv_primary_if_get_selected(struct batadv_priv *bat_priv)
+{
+ struct batadv_hard_iface *hard_iface;
+
+ rcu_read_lock();
+ hard_iface = rcu_dereference(bat_priv->primary_if);
+ if (!hard_iface)
+ goto out;
+
+ if (!kref_get_unless_zero(&hard_iface->refcount))
+ hard_iface = NULL;
+
+out:
+ rcu_read_unlock();
+ return hard_iface;
+}
+
+/**
+ * batadv_is_cfg80211() - check if the given hardif is a cfg80211
+ * wifi interface
+ * @wifi_flags: extracted batadv_hard_iface_wifi_flags of a net_device
+ *
+ * Return: true if the net device is a cfg80211 wireless device, false
+ * otherwise.
+ */
+static inline bool batadv_is_cfg80211(u32 wifi_flags)
+{
+ u32 allowed_flags = 0;
+
+ allowed_flags |= BATADV_HARDIF_WIFI_CFG80211_DIRECT;
+ allowed_flags |= BATADV_HARDIF_WIFI_CFG80211_INDIRECT;
+
+ return !!(wifi_flags & allowed_flags);
+}
+
+/**
+ * batadv_is_wifi() - check if flags belong to wifi interface
+ * @wifi_flags: extracted batadv_hard_iface_wifi_flags of a net_device
+ *
+ * Return: true if the net device is a 802.11 wireless device, false otherwise.
+ */
+static inline bool batadv_is_wifi(u32 wifi_flags)
+{
+ return wifi_flags != 0;
+}
+
+#endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */