From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/net/batman-adv/originator.c | 205 +++-----------------------------------------------
1 files changed, 14 insertions(+), 191 deletions(-)
diff --git a/kernel/net/batman-adv/originator.c b/kernel/net/batman-adv/originator.c
index 1d295da..2d38a09 100644
--- a/kernel/net/batman-adv/originator.c
+++ b/kernel/net/batman-adv/originator.c
@@ -1,19 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2009-2020 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "originator.h"
@@ -39,6 +27,7 @@
#include <linux/stddef.h>
#include <linux/workqueue.h>
#include <net/sock.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "bat_algo.h"
@@ -189,23 +178,13 @@
* and queue for free after rcu grace period
* @ref: kref pointer of the originator-vlan object
*/
-static void batadv_orig_node_vlan_release(struct kref *ref)
+void batadv_orig_node_vlan_release(struct kref *ref)
{
struct batadv_orig_node_vlan *orig_vlan;
orig_vlan = container_of(ref, struct batadv_orig_node_vlan, refcount);
kfree_rcu(orig_vlan, rcu);
-}
-
-/**
- * batadv_orig_node_vlan_put() - decrement the refcounter and possibly release
- * the originator-vlan object
- * @orig_vlan: the originator-vlan object to release
- */
-void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan)
-{
- kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release);
}
/**
@@ -243,7 +222,7 @@
* free after rcu grace period
* @ref: kref pointer of the neigh_ifinfo
*/
-static void batadv_neigh_ifinfo_release(struct kref *ref)
+void batadv_neigh_ifinfo_release(struct kref *ref)
{
struct batadv_neigh_ifinfo *neigh_ifinfo;
@@ -256,21 +235,11 @@
}
/**
- * batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release
- * the neigh_ifinfo
- * @neigh_ifinfo: the neigh_ifinfo object to release
- */
-void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo)
-{
- kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release);
-}
-
-/**
* batadv_hardif_neigh_release() - release hardif neigh node from lists and
* queue for free after rcu grace period
* @ref: kref pointer of the neigh_node
*/
-static void batadv_hardif_neigh_release(struct kref *ref)
+void batadv_hardif_neigh_release(struct kref *ref)
{
struct batadv_hardif_neigh_node *hardif_neigh;
@@ -286,21 +255,11 @@
}
/**
- * batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter
- * and possibly release it
- * @hardif_neigh: hardif neigh neighbor to free
- */
-void batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh)
-{
- kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release);
-}
-
-/**
* batadv_neigh_node_release() - release neigh_node from lists and queue for
* free after rcu grace period
* @ref: kref pointer of the neigh_node
*/
-static void batadv_neigh_node_release(struct kref *ref)
+void batadv_neigh_node_release(struct kref *ref)
{
struct hlist_node *node_tmp;
struct batadv_neigh_node *neigh_node;
@@ -321,22 +280,12 @@
}
/**
- * batadv_neigh_node_put() - decrement the neighbors refcounter and possibly
- * release it
- * @neigh_node: neigh neighbor to free
- */
-void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
-{
- kref_put(&neigh_node->refcount, batadv_neigh_node_release);
-}
-
-/**
* batadv_orig_router_get() - router to the originator depending on iface
* @orig_node: the orig node for the router
* @if_outgoing: the interface where the payload packet has been received or
* the OGM should be sent to
*
- * Return: the neighbor which should be router for this orig_node/iface.
+ * Return: the neighbor which should be the router for this orig_node/iface.
*
* The object is returned with refcounter increased by 1.
*/
@@ -526,7 +475,7 @@
* Looks for and possibly returns a neighbour belonging to this originator list
* which is connected through the provided hard interface.
*
- * Return: neighbor when found. Othwerwise NULL
+ * Return: neighbor when found. Otherwise NULL
*/
static struct batadv_neigh_node *
batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
@@ -631,7 +580,7 @@
*
* Looks for and possibly returns a neighbour belonging to this hard interface.
*
- * Return: neighbor when found. Othwerwise NULL
+ * Return: neighbor when found. Otherwise NULL
*/
struct batadv_hardif_neigh_node *
batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
@@ -862,7 +811,7 @@
* free after rcu grace period
* @ref: kref pointer of the orig_ifinfo
*/
-static void batadv_orig_ifinfo_release(struct kref *ref)
+void batadv_orig_ifinfo_release(struct kref *ref)
{
struct batadv_orig_ifinfo *orig_ifinfo;
struct batadv_neigh_node *router;
@@ -881,16 +830,6 @@
}
/**
- * batadv_orig_ifinfo_put() - decrement the refcounter and possibly release
- * the orig_ifinfo
- * @orig_ifinfo: the orig_ifinfo object to release
- */
-void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo)
-{
- kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release);
-}
-
-/**
* batadv_orig_node_free_rcu() - free the orig_node
* @rcu: rcu pointer of the orig_node
*/
@@ -904,9 +843,6 @@
batadv_frag_purge_orig(orig_node, NULL);
- if (orig_node->bat_priv->algo_ops->orig.free)
- orig_node->bat_priv->algo_ops->orig.free(orig_node);
-
kfree(orig_node->tt_buff);
kfree(orig_node);
}
@@ -916,7 +852,7 @@
* free after rcu grace period
* @ref: kref pointer of the orig_node
*/
-static void batadv_orig_node_release(struct kref *ref)
+void batadv_orig_node_release(struct kref *ref)
{
struct hlist_node *node_tmp;
struct batadv_neigh_node *neigh_node;
@@ -963,16 +899,6 @@
}
/**
- * batadv_orig_node_put() - decrement the orig node refcounter and possibly
- * release it
- * @orig_node: the orig node to free
- */
-void batadv_orig_node_put(struct batadv_orig_node *orig_node)
-{
- kref_put(&orig_node->refcount, batadv_orig_node_release);
-}
-
-/**
* batadv_originator_free() - Free all originator structures
* @bat_priv: the bat priv with all the soft interface information
*/
@@ -1013,7 +939,7 @@
* @bat_priv: the bat priv with all the soft interface information
* @addr: the mac address of the originator
*
- * Creates a new originator object and initialise all the generic fields.
+ * Creates a new originator object and initialises all the generic fields.
* The new object is not added to the originator list.
*
* Return: the newly created object or NULL on failure.
@@ -1058,7 +984,8 @@
orig_node->bcast_seqno_reset = reset_time;
#ifdef CONFIG_BATMAN_ADV_MCAST
- orig_node->mcast_flags = BATADV_NO_FLAGS;
+ orig_node->mcast_flags = BATADV_MCAST_WANT_NO_RTR4;
+ orig_node->mcast_flags |= BATADV_MCAST_WANT_NO_RTR6;
INIT_HLIST_NODE(&orig_node->mcast_want_all_unsnoopables_node);
INIT_HLIST_NODE(&orig_node->mcast_want_all_ipv4_node);
INIT_HLIST_NODE(&orig_node->mcast_want_all_ipv6_node);
@@ -1554,108 +1481,4 @@
dev_put(soft_iface);
return ret;
-}
-
-/**
- * batadv_orig_hash_add_if() - Add interface to originators in orig_hash
- * @hard_iface: hard interface to add (already slave of the soft interface)
- * @max_if_num: new number of interfaces
- *
- * Return: 0 on success or negative error number in case of failure
- */
-int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
- unsigned int max_if_num)
-{
- struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
- struct batadv_algo_ops *bao = bat_priv->algo_ops;
- struct batadv_hashtable *hash = bat_priv->orig_hash;
- struct hlist_head *head;
- struct batadv_orig_node *orig_node;
- u32 i;
- int ret;
-
- /* resize all orig nodes because orig_node->bcast_own(_sum) depend on
- * if_num
- */
- for (i = 0; i < hash->size; i++) {
- head = &hash->table[i];
-
- rcu_read_lock();
- hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
- ret = 0;
- if (bao->orig.add_if)
- ret = bao->orig.add_if(orig_node, max_if_num);
- if (ret == -ENOMEM)
- goto err;
- }
- rcu_read_unlock();
- }
-
- return 0;
-
-err:
- rcu_read_unlock();
- return -ENOMEM;
-}
-
-/**
- * batadv_orig_hash_del_if() - Remove interface from originators in orig_hash
- * @hard_iface: hard interface to remove (still slave of the soft interface)
- * @max_if_num: new number of interfaces
- *
- * Return: 0 on success or negative error number in case of failure
- */
-int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
- unsigned int max_if_num)
-{
- struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
- struct batadv_hashtable *hash = bat_priv->orig_hash;
- struct hlist_head *head;
- struct batadv_hard_iface *hard_iface_tmp;
- struct batadv_orig_node *orig_node;
- struct batadv_algo_ops *bao = bat_priv->algo_ops;
- u32 i;
- int ret;
-
- /* resize all orig nodes because orig_node->bcast_own(_sum) depend on
- * if_num
- */
- for (i = 0; i < hash->size; i++) {
- head = &hash->table[i];
-
- rcu_read_lock();
- hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
- ret = 0;
- if (bao->orig.del_if)
- ret = bao->orig.del_if(orig_node, max_if_num,
- hard_iface->if_num);
- if (ret == -ENOMEM)
- goto err;
- }
- rcu_read_unlock();
- }
-
- /* renumber remaining batman interfaces _inside_ of orig_hash_lock */
- rcu_read_lock();
- list_for_each_entry_rcu(hard_iface_tmp, &batadv_hardif_list, list) {
- if (hard_iface_tmp->if_status == BATADV_IF_NOT_IN_USE)
- continue;
-
- if (hard_iface == hard_iface_tmp)
- continue;
-
- if (hard_iface->soft_iface != hard_iface_tmp->soft_iface)
- continue;
-
- if (hard_iface_tmp->if_num > hard_iface->if_num)
- hard_iface_tmp->if_num--;
- }
- rcu_read_unlock();
-
- hard_iface->if_num = -1;
- return 0;
-
-err:
- rcu_read_unlock();
- return -ENOMEM;
}
--
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