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-rw-r--r--packages/linux-kernel/patches/kernel/0001-VyOS-Add-linkstate-IP-device-attribute.patch108
1 files changed, 57 insertions, 51 deletions
diff --git a/packages/linux-kernel/patches/kernel/0001-VyOS-Add-linkstate-IP-device-attribute.patch b/packages/linux-kernel/patches/kernel/0001-VyOS-Add-linkstate-IP-device-attribute.patch
index bfe63008..c70a9f13 100644
--- a/packages/linux-kernel/patches/kernel/0001-VyOS-Add-linkstate-IP-device-attribute.patch
+++ b/packages/linux-kernel/patches/kernel/0001-VyOS-Add-linkstate-IP-device-attribute.patch
@@ -8,151 +8,157 @@ Backport of earlier Vyatta patch.
(cherry picked from commit 7c5a851086686be14ae937c80d6cee34814dbefc)
---
- Documentation/networking/ip-sysctl.rst | 11 +++++++++++
+ Documentation/networking/ip-sysctl.txt | 13 +++++++++++++
include/linux/inetdevice.h | 1 +
include/linux/ipv6.h | 1 +
include/uapi/linux/ip.h | 1 +
include/uapi/linux/ipv6.h | 1 +
- net/ipv4/devinet.c | 1 +
- net/ipv6/addrconf.c | 8 ++++++++
- net/ipv6/route.c | 10 ++++++++++
- 8 files changed, 34 insertions(+)
+ net/ipv4/devinet.c | 2 ++
+ net/ipv6/addrconf.c | 9 +++++++++
+ net/ipv6/route.c | 12 ++++++++++++
+ 8 files changed, 40 insertions(+)
-diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
-index 837d51f9e1fa..49610520d858 100644
---- a/Documentation/networking/ip-sysctl.rst
-+++ b/Documentation/networking/ip-sysctl.rst
-@@ -1423,6 +1423,17 @@ rp_filter - INTEGER
+diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
+index 7eb9366422f5..b99d54a313a0 100644
+--- a/Documentation/networking/ip-sysctl.txt
++++ b/Documentation/networking/ip-sysctl.txt
+@@ -1177,6 +1177,19 @@ rp_filter - INTEGER
Default value is 0. Note that some distributions enable it
in startup scripts.
+link_filter - INTEGER
-+ 0 - Allow packets to be received for the address on this interface
-+ even if interface is disabled or no carrier.
++ 0 - Allow packets to be received for the address on this interface
++ even if interface is disabled or no carrier.
++
+ 1 - Ignore packets received if interface associated with the incoming
-+ address is down.
++ address is down.
++
+ 2 - Ignore packets received if interface associated with the incoming
-+ address is down or has no carrier.
++ address is down or has no carrier.
+
+ Default value is 0. Note that some distributions enable it
+ in startup scripts.
+
arp_filter - BOOLEAN
- - 1 - Allows you to have multiple network interfaces on the same
- subnet, and have the ARPs for each interface be answered
+ 1 - Allows you to have multiple network interfaces on the same
+ subnet, and have the ARPs for each interface be answered
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
-index 3515ca64e638..bfb49b5913e7 100644
+index a64f21a97369..4014dd852bae 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -133,6 +133,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
#define IN_DEV_ARP_ANNOUNCE(in_dev) IN_DEV_MAXCONF((in_dev), ARP_ANNOUNCE)
#define IN_DEV_ARP_IGNORE(in_dev) IN_DEV_MAXCONF((in_dev), ARP_IGNORE)
#define IN_DEV_ARP_NOTIFY(in_dev) IN_DEV_MAXCONF((in_dev), ARP_NOTIFY)
-+#define IN_DEV_LINKFILTER(in_dev) IN_DEV_MAXCONF((in_dev), LINKFILTER)
++#define IN_DEV_LINKFILTER(in_dev) IN_DEV_MAXCONF((in_dev), LINKFILTER)
struct in_ifaddr {
struct hlist_node hash;
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
-index 2cb445a8fc9e..b80c4652fc55 100644
+index 8415bf1a9776..80a0ada19c9a 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
-@@ -77,6 +77,7 @@ struct ipv6_devconf {
- __s32 rpl_seg_enabled;
+@@ -76,6 +76,7 @@ struct ipv6_devconf {
+ __s32 ndisc_tclass;
struct ctl_table_header *sysctl_header;
-+ __s32 link_filter;
++ __s32 link_filter; /* VyOS */
};
struct ipv6_params {
diff --git a/include/uapi/linux/ip.h b/include/uapi/linux/ip.h
-index e42d13b55cf3..8f5291976f04 100644
+index e42d13b55cf3..baf8e77c201b 100644
--- a/include/uapi/linux/ip.h
+++ b/include/uapi/linux/ip.h
@@ -169,6 +169,7 @@ enum
IPV4_DEVCONF_DROP_UNICAST_IN_L2_MULTICAST,
IPV4_DEVCONF_DROP_GRATUITOUS_ARP,
IPV4_DEVCONF_BC_FORWARDING,
-+ IPV4_DEVCONF_LINKFILTER,
++ IPV4_DEVCONF_LINKFILTER, /* VyOS only */
__IPV4_DEVCONF_MAX
};
diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h
-index 13e8751bf24a..2ea26a70bda2 100644
+index 9c0f4a92bcff..619edd130cfd 100644
--- a/include/uapi/linux/ipv6.h
+++ b/include/uapi/linux/ipv6.h
-@@ -189,6 +189,7 @@ enum {
+@@ -187,6 +187,7 @@ enum {
+ DEVCONF_DISABLE_POLICY,
DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN,
DEVCONF_NDISC_TCLASS,
- DEVCONF_RPL_SEG_ENABLED,
+ DEVCONF_LINK_FILTER,
DEVCONF_MAX
};
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
-index 123a6d39438f..1deb400805b0 100644
+index a08d682ba676..17949eb57a5b 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
-@@ -2547,6 +2547,7 @@ static struct devinet_sysctl_table {
+@@ -2318,6 +2318,8 @@ static struct devinet_sysctl_table {
"route_localnet"),
DEVINET_SYSCTL_FLUSHING_ENTRY(DROP_UNICAST_IN_L2_MULTICAST,
"drop_unicast_in_l2_multicast"),
++ /* VyOS */
+ DEVINET_SYSCTL_RW_ENTRY(LINKFILTER, "link_filter"),
},
};
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
-index 840bfdb3d7bd..262b5fe31f65 100644
+index 627cd24b7c0d..8c49eac27fd0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
-@@ -5487,6 +5487,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
+@@ -5240,6 +5240,7 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
+ array[DEVCONF_ADDR_GEN_MODE] = cnf->addr_gen_mode;
array[DEVCONF_DISABLE_POLICY] = cnf->disable_policy;
array[DEVCONF_NDISC_TCLASS] = cnf->ndisc_tclass;
- array[DEVCONF_RPL_SEG_ENABLED] = cnf->rpl_seg_enabled;
+ array[DEVCONF_LINK_FILTER] = cnf->link_filter;
}
static inline size_t inet6_ifla6_size(void)
-@@ -6867,6 +6868,13 @@ static const struct ctl_table addrconf_sysctl[] = {
- .mode = 0644,
- .proc_handler = proc_dointvec,
+@@ -6561,6 +6562,14 @@ static const struct ctl_table addrconf_sysctl[] = {
+ .mode = 0644,
+ .proc_handler = addrconf_sysctl_disable_policy,
},
++ /* VyOS */
+ {
+ .procname = "link_filter",
+ .data = &ipv6_devconf.link_filter,
+ .maxlen = sizeof(int),
+ .mode = 0644,
-+ .proc_handler = proc_dointvec,
-+ },
++ .proc_handler = proc_dointvec
++ },
{
- /* sentinel */
- }
+ .procname = "ndisc_tclass",
+ .data = &ipv6_devconf.ndisc_tclass,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
-index 4c36bd0c7930..ece562db0d34 100644
+index dad35cd48807..1a2439c6a257 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
-@@ -686,6 +686,14 @@ static inline void rt6_probe(struct fib6_nh *fib6_nh)
+@@ -595,6 +595,15 @@ static inline int rt6_check_dev(struct fib6_info *rt, int oif)
+ return 0;
}
- #endif
-+static inline int rt6_link_filter(const struct fib6_nh *nh)
++static inline int rt6_link_filter(struct fib6_info *rt)
+{
-+ const struct net_device *dev = nh->fib_nh_dev;
++ const struct net_device *dev = rt->fib6_nh.nh_dev;
+ int linkf = __in6_dev_get(dev)->cnf.link_filter;
++
+ return (linkf && !netif_running(dev))
+ || (linkf > 1 && !netif_carrier_ok(dev));
+}
+
- /*
- * Default Router Selection (RFC 2461 6.3.6)
- */
-@@ -727,6 +735,8 @@ static int rt6_score_route(const struct fib6_nh *nh, u32 fib6_flags, int oif,
-
+ static inline enum rt6_nud_state rt6_check_neigh(struct fib6_info *rt)
+ {
+ enum rt6_nud_state ret = RT6_NUD_FAIL_HARD;
+@@ -634,6 +643,9 @@ static int rt6_score_route(struct fib6_info *rt, int oif, int strict)
+ m = rt6_check_dev(rt, oif);
if (!m && (strict & RT6_LOOKUP_F_IFACE))
return RT6_NUD_FAIL_HARD;
-+ if (rt6_link_filter(nh))
++ if (rt6_link_filter(rt))
+ return -1;
++
#ifdef CONFIG_IPV6_ROUTER_PREF
- m |= IPV6_DECODE_PREF(IPV6_EXTRACT_PREF(fib6_flags)) << 2;
+ m |= IPV6_DECODE_PREF(IPV6_EXTRACT_PREF(rt->fib6_flags)) << 2;
#endif
--
2.20.1