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batman-adv: update to version 2021.2 

* support latest kernels (4.4 - 5.14)
* coding style cleanups and refactoring
* add MRD + routable IPv4 multicast with bridges support
* rewrite of broadcast queuing
* bugs squashed:

  - avoid kernel warnings on timing related checks

Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Sven Eckelmann 2021-08-20 11:31:19 +02:00
parent 383c52ff8d
commit 47cd2a4b62
6 changed files with 54 additions and 129 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
batman-adv/Makefile
View File

@ -3,12 +3,12 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=batman-adv
PKG_VERSION:=2021.1
PKG_VERSION:=2021.2
PKG_RELEASE:=$(AUTORELEASE)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://downloads.open-mesh.org/batman/releases/batman-adv-$(PKG_VERSION)
PKG_HASH:=bf77843d8dead75342d673ce7021e4ad037447ce18c64056ae1e3202039934d0
PKG_HASH:=7a380a193b543b0cd1e30bb697f03d967776192ca0ebd2e433a63ad48ff26d8b
PKG_EXTMOD_SUBDIRS:=net/batman-adv
PKG_MAINTAINER:=Simon Wunderlich <sw@simonwunderlich.de>

6
batman-adv/patches/0001-Revert-batman-adv-genetlink-move-to-smaller-ops-wher.patch
View File

@ -107,10 +107,10 @@ index 56a9ab22c062b1d0d01ef9d09ce796075d3d6df7..8f542bef10dc0f2682ab2d428c90df9a
#endif /* _NET_BATMAN_ADV_COMPAT_NET_GENETLINK_H_ */
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index f317d206b411d87b4da2f57e35c3fb78cedfb160..bdac5dbd899a9540d58052fd32c8c89520927390 100644
index b6cc746e01a641bfb75eba219ffa0c29b1b20dd5..e7822d72fe2ccf7d50dc0351fb8530db8e740afd 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -1351,7 +1351,7 @@ static void batadv_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
@@ -1359,7 +1359,7 @@ static void batadv_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
}
}
@ -119,7 +119,7 @@ index f317d206b411d87b4da2f57e35c3fb78cedfb160..bdac5dbd899a9540d58052fd32c8c895
{
.cmd = BATADV_CMD_GET_MESH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -1485,8 +1485,8 @@ struct genl_family batadv_netlink_family __ro_after_init = {
@@ -1493,8 +1493,8 @@ struct genl_family batadv_netlink_family __ro_after_init = {
.pre_doit = batadv_pre_doit,
.post_doit = batadv_post_doit,
.module = THIS_MODULE,

8
batman-adv/patches/0002-Revert-batman-adv-Add-new-include-for-min-max-helper.patch
View File

@ -36,7 +36,7 @@ index 9b7269e8a760361c1650b947c77702f0bdcd73d9..00000000000000000000000000000000
-
-#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_MINMAX_H_ */
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index e1ca2b8c315235f234c9061fc73cde2c1b76aa46..eeb3f6d00d8541b377c9703837ef76b05e8d061e 100644
index b98aea958e3d6999d7eaf065230182d539384c3b..fd7f30f5f3033fd1a9e21518a71e66b557212374 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -15,7 +15,6 @@
@ -86,10 +86,10 @@ index a5d9d800082bade3a1d52cc040557e41f963fac3..96873d47fac5cb9b4fbfa217eedf1f92
#include <linux/skbuff.h>
#include <linux/slab.h>
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index 4a6a25d551a83b1723e80a349e1a655a2152b0ac..eabde547d308438257622879e77d84c24daa2199 100644
index 55d97e18aa4a9540692618c458d0ae2a743be6bb..3f97c1218908b7ba16a0707d7e54c589ca1a36a5 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -18,7 +18,6 @@
@@ -17,7 +17,6 @@
#include <linux/kref.h>
#include <linux/limits.h>
#include <linux/list.h>
@ -110,7 +110,7 @@ index 3ddd66e4c29ef532de33c7182cc0cc470b33fd4f..c552bc4168d0abd7bf6d23e570d58380
#include <linux/netdevice.h>
#include <linux/printk.h>
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index bdac5dbd899a9540d58052fd32c8c89520927390..b6a703ddd8e97e6a02e8d73c5728802f090ab419 100644
index e7822d72fe2ccf7d50dc0351fb8530db8e740afd..27f78f0c4aea025b964301e20f972031ab8ad478 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -23,7 +23,6 @@

6
batman-adv/patches/0003-batman-adv-Fix-build-of-multicast-code-against-Linux.patch
View File

@ -6,10 +6,10 @@ Fixes: 007b4c4b031f ("batman-adv: convert ifmcaddr6 to RCU")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index 1d63c8cbbfe7b16e360e91bcf3bb77ec7b12893b..ece9fb5dd81bfadbdbe15363dfd8fd257dbe942f 100644
index 923e2197c2db008ba1cd9b80422ec8481c6a8185..004dc67de076d524784988d2fc8ec7396a00042b 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -454,9 +454,14 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev,
@@ -423,9 +423,14 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev,
return 0;
}
@ -24,7 +24,7 @@ index 1d63c8cbbfe7b16e360e91bcf3bb77ec7b12893b..ece9fb5dd81bfadbdbe15363dfd8fd25
if (IPV6_ADDR_MC_SCOPE(&pmc6->mca_addr) <
IPV6_ADDR_SCOPE_LINKLOCAL)
continue;
@@ -485,6 +490,9 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev,
@@ -454,6 +459,9 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev,
hlist_add_head(&new->list, mcast_list);
ret++;
}

117
batman-adv/patches/0004-batman-adv-Always-send-iface-index-name-in-genlmsg.patch
View File

@ -1,117 +0,0 @@
From: Sven Eckelmann <sven@narfation.org>
Date: Mon, 10 May 2021 15:05:42 +0200
Subject: batman-adv: Always send iface index+name in genlmsg
The batman-adv netlink messages often contain the interface index and
interface name in the same message. This makes it easy for the receiver to
operate on the incoming data when it either needs to print something or
needs to operate on the interface index.
But one of the attributes was missing for:
* neighbor table dumps
* originator table dumps
* gateway list dumps
* query of hardif information
* query of vid information
The userspace therefore had to implement special workarounds using
SIOCGIFNAME or SIOCGIFINDEX depending on what was actually provided.
Providing both information simplifies the userspace code massively without
adding a lot of extra overhead in the kernel portion.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Origin: upstream, https://git.open-mesh.org/batman-adv.git/commit/77c7d62618259f22f36427eaa62668e6e1c43090
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 789f257be24f36ace3e63628a3381a6d46dcccd9..680def809838097a9949de1dc9861923911f3d04 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1849,6 +1849,8 @@ batadv_iv_ogm_orig_dump_subentry(struct sk_buff *msg, u32 portid, u32 seq,
orig_node->orig) ||
nla_put(msg, BATADV_ATTR_NEIGH_ADDRESS, ETH_ALEN,
neigh_node->addr) ||
+ nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
+ neigh_node->if_incoming->net_dev->name) ||
nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
neigh_node->if_incoming->net_dev->ifindex) ||
nla_put_u8(msg, BATADV_ATTR_TQ, tq_avg) ||
@@ -2078,6 +2080,8 @@ batadv_iv_ogm_neigh_dump_neigh(struct sk_buff *msg, u32 portid, u32 seq,
if (nla_put(msg, BATADV_ATTR_NEIGH_ADDRESS, ETH_ALEN,
hardif_neigh->addr) ||
+ nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
+ hardif_neigh->if_incoming->net_dev->name) ||
nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
hardif_neigh->if_incoming->net_dev->ifindex) ||
nla_put_u32(msg, BATADV_ATTR_LAST_SEEN_MSECS,
@@ -2459,6 +2463,8 @@ static int batadv_iv_gw_dump_entry(struct sk_buff *msg, u32 portid,
router->addr) ||
nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
router->if_incoming->net_dev->name) ||
+ nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
+ router->if_incoming->net_dev->ifindex) ||
nla_put_u32(msg, BATADV_ATTR_BANDWIDTH_DOWN,
gw_node->bandwidth_down) ||
nla_put_u32(msg, BATADV_ATTR_BANDWIDTH_UP,
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index eeb3f6d00d8541b377c9703837ef76b05e8d061e..fd7f30f5f3033fd1a9e21518a71e66b557212374 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -145,6 +145,8 @@ batadv_v_neigh_dump_neigh(struct sk_buff *msg, u32 portid, u32 seq,
if (nla_put(msg, BATADV_ATTR_NEIGH_ADDRESS, ETH_ALEN,
hardif_neigh->addr) ||
+ nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
+ hardif_neigh->if_incoming->net_dev->name) ||
nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
hardif_neigh->if_incoming->net_dev->ifindex) ||
nla_put_u32(msg, BATADV_ATTR_LAST_SEEN_MSECS,
@@ -297,6 +299,8 @@ batadv_v_orig_dump_subentry(struct sk_buff *msg, u32 portid, u32 seq,
if (nla_put(msg, BATADV_ATTR_ORIG_ADDRESS, ETH_ALEN, orig_node->orig) ||
nla_put(msg, BATADV_ATTR_NEIGH_ADDRESS, ETH_ALEN,
neigh_node->addr) ||
+ nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
+ neigh_node->if_incoming->net_dev->name) ||
nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
neigh_node->if_incoming->net_dev->ifindex) ||
nla_put_u32(msg, BATADV_ATTR_THROUGHPUT, throughput) ||
@@ -738,6 +742,12 @@ static int batadv_v_gw_dump_entry(struct sk_buff *msg, u32 portid,
goto out;
}
+ if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
+ router->if_incoming->net_dev->ifindex)) {
+ genlmsg_cancel(msg, hdr);
+ goto out;
+ }
+
if (nla_put_u32(msg, BATADV_ATTR_BANDWIDTH_DOWN,
gw_node->bandwidth_down)) {
genlmsg_cancel(msg, hdr);
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index b6a703ddd8e97e6a02e8d73c5728802f090ab419..27f78f0c4aea025b964301e20f972031ab8ad478 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -813,6 +813,10 @@ static int batadv_netlink_hardif_fill(struct sk_buff *msg,
bat_priv->soft_iface->ifindex))
goto nla_put_failure;
+ if (nla_put_string(msg, BATADV_ATTR_MESH_IFNAME,
+ bat_priv->soft_iface->name))
+ goto nla_put_failure;
+
if (nla_put_u32(msg, BATADV_ATTR_HARD_IFINDEX,
net_dev->ifindex) ||
nla_put_string(msg, BATADV_ATTR_HARD_IFNAME,
@@ -1044,6 +1048,10 @@ static int batadv_netlink_vlan_fill(struct sk_buff *msg,
bat_priv->soft_iface->ifindex))
goto nla_put_failure;
+ if (nla_put_string(msg, BATADV_ATTR_MESH_IFNAME,
+ bat_priv->soft_iface->name))
+ goto nla_put_failure;
+
if (nla_put_u32(msg, BATADV_ATTR_VLANID, vlan->vid & VLAN_VID_MASK))
goto nla_put_failure;

42
batman-adv/src/compat-hacks.h
View File

@ -49,6 +49,48 @@ inline void __batadv_br_ip_list_check(void)
#endif /* LINUX_VERSION_IS_LESS(5, 10, 0) */
#if LINUX_VERSION_IS_LESS(5, 14, 0)
#include <net/addrconf.h>
#if IS_ENABLED(CONFIG_IPV6)
static inline bool
br_multicast_has_router_adjacent(struct net_device *dev, int proto)
{
struct list_head bridge_mcast_list = LIST_HEAD_INIT(bridge_mcast_list);
struct br_ip_list *br_ip_entry, *tmp;
int ret;
if (proto != ETH_P_IPV6)
return true;
ret = br_multicast_list_adjacent(dev, &bridge_mcast_list);
if (ret < 0)
return true;
ret = false;
list_for_each_entry_safe(br_ip_entry, tmp, &bridge_mcast_list, list) {
if (br_ip_entry->addr.proto == htons(ETH_P_IPV6) &&
ipv6_addr_is_ll_all_routers(&br_ip_entry->addr.dst.ip6))
ret = true;
list_del(&br_ip_entry->list);
kfree(br_ip_entry);
}
return ret;
}
#else
static inline bool
br_multicast_has_router_adjacent(struct net_device *dev, int proto)
{
return true;
}
#endif
#endif /* LINUX_VERSION_IS_LESS(5, 14, 0) */
/* <DECLARE_EWMA> */
#include <linux/version.h>