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-rw-r--r--include/net/bond_options.h31
-rw-r--r--include/net/bonding.h26
-rw-r--r--include/net/ndisc.h5
-rw-r--r--include/uapi/linux/if_link.h1
4 files changed, 53 insertions, 10 deletions
diff --git a/include/net/bond_options.h b/include/net/bond_options.h
index dd75c071f67e..61b49063791c 100644
--- a/include/net/bond_options.h
+++ b/include/net/bond_options.h
@@ -66,19 +66,24 @@ enum {
BOND_OPT_PEER_NOTIF_DELAY,
BOND_OPT_LACP_ACTIVE,
BOND_OPT_MISSED_MAX,
+ BOND_OPT_NS_TARGETS,
BOND_OPT_LAST
};
/* This structure is used for storing option values and for passing option
* values when changing an option. The logic when used as an arg is as follows:
- * - if string != NULL -> parse it, if the opt is RAW type then return it, else
- * return the parse result
- * - if string == NULL -> parse value
+ * - if value != ULLONG_MAX -> parse value
+ * - if string != NULL -> parse string
+ * - if the opt is RAW data and length less than maxlen,
+ * copy the data to extra storage
*/
+
+#define BOND_OPT_EXTRA_MAXLEN 16
struct bond_opt_value {
char *string;
u64 value;
u32 flags;
+ char extra[BOND_OPT_EXTRA_MAXLEN];
};
struct bonding;
@@ -118,18 +123,26 @@ const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val);
* When value is ULLONG_MAX then string will be used.
*/
static inline void __bond_opt_init(struct bond_opt_value *optval,
- char *string, u64 value)
+ char *string, u64 value,
+ void *extra, size_t extra_len)
{
memset(optval, 0, sizeof(*optval));
optval->value = ULLONG_MAX;
- if (value == ULLONG_MAX)
- optval->string = string;
- else
+ if (value != ULLONG_MAX)
optval->value = value;
+ else if (string)
+ optval->string = string;
+ else if (extra_len <= BOND_OPT_EXTRA_MAXLEN)
+ memcpy(optval->extra, extra, extra_len);
}
-#define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value)
-#define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX)
+#define bond_opt_initval(optval, value) __bond_opt_init(optval, NULL, value, NULL, 0)
+#define bond_opt_initstr(optval, str) __bond_opt_init(optval, str, ULLONG_MAX, NULL, 0)
+#define bond_opt_initextra(optval, extra, extra_len) \
+ __bond_opt_init(optval, NULL, ULLONG_MAX, extra, extra_len)
void bond_option_arp_ip_targets_clear(struct bonding *bond);
+#if IS_ENABLED(CONFIG_IPV6)
+void bond_option_ns_ip6_targets_clear(struct bonding *bond);
+#endif
#endif /* _NET_BOND_OPTIONS_H */
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 7dead855a72d..d0dfe727e0b1 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -29,8 +29,11 @@
#include <net/bond_3ad.h>
#include <net/bond_alb.h>
#include <net/bond_options.h>
+#include <net/ipv6.h>
+#include <net/addrconf.h>
#define BOND_MAX_ARP_TARGETS 16
+#define BOND_MAX_NS_TARGETS BOND_MAX_ARP_TARGETS
#define BOND_DEFAULT_MIIMON 100
@@ -146,6 +149,7 @@ struct bond_params {
struct reciprocal_value reciprocal_packets_per_slave;
u16 ad_actor_sys_prio;
u16 ad_user_port_key;
+ struct in6_addr ns_targets[BOND_MAX_NS_TARGETS];
/* 2 bytes of padding : see ether_addr_equal_64bits() */
u8 ad_actor_system[ETH_ALEN + 2];
@@ -499,6 +503,13 @@ static inline int bond_is_ip_target_ok(__be32 addr)
return !ipv4_is_lbcast(addr) && !ipv4_is_zeronet(addr);
}
+static inline int bond_is_ip6_target_ok(struct in6_addr *addr)
+{
+ return !ipv6_addr_any(addr) &&
+ !ipv6_addr_loopback(addr) &&
+ !ipv6_addr_is_multicast(addr);
+}
+
/* Get the oldest arp which we've received on this slave for bond's
* arp_targets.
*/
@@ -628,7 +639,7 @@ struct bond_net {
struct class_attribute class_attr_bonding_masters;
};
-int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, struct slave *slave);
+int bond_rcv_validate(const struct sk_buff *skb, struct bonding *bond, struct slave *slave);
netdev_tx_t bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
int bond_create(struct net *net, const char *name);
int bond_create_sysfs(struct bond_net *net);
@@ -735,6 +746,19 @@ static inline int bond_get_targets_ip(__be32 *targets, __be32 ip)
return -1;
}
+static inline int bond_get_targets_ip6(struct in6_addr *targets, struct in6_addr *ip)
+{
+ int i;
+
+ for (i = 0; i < BOND_MAX_NS_TARGETS; i++)
+ if (ipv6_addr_equal(&targets[i], ip))
+ return i;
+ else if (ipv6_addr_any(&targets[i]))
+ break;
+
+ return -1;
+}
+
/* exported from bond_main.c */
extern unsigned int bond_net_id;
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 53cb8de0e589..aac3a42de432 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -447,10 +447,15 @@ void ndisc_cleanup(void);
int ndisc_rcv(struct sk_buff *skb);
+struct sk_buff *ndisc_ns_create(struct net_device *dev, const struct in6_addr *solicit,
+ const struct in6_addr *saddr, u64 nonce);
void ndisc_send_ns(struct net_device *dev, const struct in6_addr *solicit,
const struct in6_addr *daddr, const struct in6_addr *saddr,
u64 nonce);
+void ndisc_send_skb(struct sk_buff *skb, const struct in6_addr *daddr,
+ const struct in6_addr *saddr);
+
void ndisc_send_rs(struct net_device *dev,
const struct in6_addr *saddr, const struct in6_addr *daddr);
void ndisc_send_na(struct net_device *dev, const struct in6_addr *daddr,
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 6218f93f5c1a..e1ba2d51b717 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -860,6 +860,7 @@ enum {
IFLA_BOND_PEER_NOTIF_DELAY,
IFLA_BOND_AD_LACP_ACTIVE,
IFLA_BOND_MISSED_MAX,
+ IFLA_BOND_NS_IP6_TARGET,
__IFLA_BOND_MAX,
};