From: David Ahern <dsahern@xxxxxxxxx>
Allows arp_constructor to not reference the arp_tbl directly.
ndisc_constructor assumes key length. Could do the same with arp.
Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
---
include/net/neighbour.h | 3 ++-
net/core/neighbour.c | 3 ++-
net/decnet/dn_neigh.c | 4 ++--
net/ipv4/arp.c | 6 +++---
net/ipv6/ndisc.c | 4 ++--
5 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 5bc4d79b4b3a..6cf9ce16eac8 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -198,7 +198,8 @@ struct neigh_table {
const struct net_device *dev,
__u32 *hash_rnd);
bool (*key_eq)(const struct neighbour *, const void *pkey);
- int (*constructor)(struct neighbour *);
+ int (*constructor)(struct neighbour *,
+ unsigned int key_len);
int (*pconstructor)(struct pneigh_entry *);
void (*pdestructor)(struct pneigh_entry *);
void (*proxy_redo)(struct sk_buff *skb);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index e8630f9de24a..41841d8e4ea4 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -505,7 +505,8 @@ struct neighbour *__neigh_create(struct neigh_table *tbl, const void *pkey,
dev_hold(dev);
/* Protocol specific setup. */
- if (tbl->constructor && (error = tbl->constructor(n)) < 0) {
+ if (tbl->constructor &&
+ (error = tbl->constructor(n, tbl->key_len)) < 0) {
rc = ERR_PTR(error);
goto out_neigh_release;
}
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 94b306f6d551..74112777beb0 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -49,7 +49,7 @@
#include <net/dn_neigh.h>
#include <net/dn_route.h>
-static int dn_neigh_construct(struct neighbour *);
+static int dn_neigh_construct(struct neighbour *, unsigned int key_len);
static void dn_neigh_error_report(struct neighbour *, struct sk_buff *);
static int dn_neigh_output(struct neighbour *neigh, struct sk_buff *skb);
@@ -108,7 +108,7 @@ struct neigh_table dn_neigh_table = {
.gc_thresh3 = 1024,
};
-static int dn_neigh_construct(struct neighbour *neigh)
+static int dn_neigh_construct(struct neighbour *neigh, unsigned int key_len)
{
struct net_device *dev = neigh->dev;
struct dn_neigh *dn = container_of(neigh, struct dn_neigh, n);
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index fd4a380da9bb..7b27faefa01b 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -125,7 +125,7 @@
*/
static u32 arp_hash(const void *pkey, const struct net_device *dev, __u32 *hash_rnd);
static bool arp_key_eq(const struct neighbour *n, const void *pkey);
-static int arp_constructor(struct neighbour *neigh);
+static int arp_constructor(struct neighbour *neigh, unsigned int key_len);
static void arp_solicit(struct neighbour *neigh, struct sk_buff *skb);
static void arp_error_report(struct neighbour *neigh, struct sk_buff *skb);
static void parp_redo(struct sk_buff *skb);
@@ -221,7 +221,7 @@ static bool arp_key_eq(const struct neighbour *neigh, const void *pkey)
return neigh_key_eq32(neigh, pkey);
}
-static int arp_constructor(struct neighbour *neigh)
+static int arp_constructor(struct neighbour *neigh, unsigned int key_len)
{
__be32 addr;
struct net_device *dev = neigh->dev;
@@ -230,7 +230,7 @@ static int arp_constructor(struct neighbour *neigh)
u32 inaddr_any = INADDR_ANY;
if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
- memcpy(neigh->primary_key, &inaddr_any, arp_tbl.key_len);
+ memcpy(neigh->primary_key, &inaddr_any, key_len);
addr = *(__be32 *)neigh->primary_key;
rcu_read_lock();
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 14b925f36099..5103d8641b04 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -77,7 +77,7 @@ static u32 ndisc_hash(const void *pkey,
const struct net_device *dev,
__u32 *hash_rnd);
static bool ndisc_key_eq(const struct neighbour *neigh, const void *pkey);
-static int ndisc_constructor(struct neighbour *neigh);
+static int ndisc_constructor(struct neighbour *neigh, unsigned int key_len);
static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb);
static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb);
static int pndisc_constructor(struct pneigh_entry *n);
@@ -319,7 +319,7 @@ static bool ndisc_key_eq(const struct neighbour *n, const void *pkey)
return neigh_key_eq128(n, pkey);
}
-static int ndisc_constructor(struct neighbour *neigh)
+static int ndisc_constructor(struct neighbour *neigh, unsigned int key_len)
{
struct in6_addr *addr = (struct in6_addr *)&neigh->primary_key;
struct net_device *dev = neigh->dev;
--
2.11.0
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