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neighbour: Remove NEIGH_DN_TABLE.

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Since commit 1202cdd665 ("Remove DECnet support from kernel"),
NEIGH_DN_TABLE is no longer used.

MPLS has implicit dependency on it in nla_put_via(), but nla_get_via()
does not support DECnet.

Let's remove NEIGH_DN_TABLE.

Now, neigh_tables[] has only 2 elements and no extra iteration
for DECnet in many places.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241014235216.10785-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2024-10-14 16:52:16 -07:00 committed by Jakub Kicinski
parent 068f3b34c5
commit 95b3120a48
2 changed files with 1 additions and 2 deletions
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1
include/net/neighbour.h
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@ -239,7 +239,6 @@ struct neigh_table {
enum {
NEIGH_ARP_TABLE = 0,
NEIGH_ND_TABLE = 1,
NEIGH_DN_TABLE = 2,
NEIGH_NR_TABLES,
NEIGH_LINK_TABLE = NEIGH_NR_TABLES /* Pseudo table for neigh_xmit */
};

2
net/mpls/af_mpls.c
View File

@ -1664,7 +1664,7 @@ static int nla_put_via(struct sk_buff *skb,
u8 table, const void *addr, int alen)
{
static const int table_to_family[NEIGH_NR_TABLES + 1] = {
AF_INET, AF_INET6, AF_DECnet, AF_PACKET,
AF_INET, AF_INET6, AF_PACKET,
};
struct nlattr *nla;
struct rtvia *via;