net: remove SK_ROUTE_CAPS from meta ematch

Remove it, as it indirectly exposes netdev features. It's not used in
iproute2 (2.6.38) - is anything else using its interface?

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 1 insertions, 8 deletions

diff --git a/include/linux/tc_ematch/tc_em_meta.h b/include/linux/tc_ematch/tc_em_meta.h
index 7138962664f8..b11f8ce2d3c0 100644
--- a/include/linux/tc_ematch/tc_em_meta.h
+++ b/include/linux/tc_ematch/tc_em_meta.h
@@ -67,7 +67,7 @@ enum {
         TCF_META_ID_SK_FORWARD_ALLOCS,
         TCF_META_ID_SK_SNDBUF,
         TCF_META_ID_SK_ALLOCS,
-        TCF_META_ID_SK_ROUTE_CAPS,
+        __TCF_META_ID_SK_ROUTE_CAPS,    /* unimplemented but in ABI already */
         TCF_META_ID_SK_HASH,
         TCF_META_ID_SK_LINGERTIME,
         TCF_META_ID_SK_ACK_BACKLOG,
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 49130e8abff0..1363bf14e61b 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -404,12 +404,6 @@ META_COLLECTOR(int_sk_alloc)
         dst->value = (__force int) skb->sk->sk_allocation;
 }
 
-META_COLLECTOR(int_sk_route_caps)
-{
-        SKIP_NONLOCAL(skb);
-        dst->value = skb->sk->sk_route_caps;
-}
-
 META_COLLECTOR(int_sk_hash)
 {
         SKIP_NONLOCAL(skb);
@@ -530,7 +524,6 @@ static struct meta_ops __meta_ops[TCF_META_TYPE_MAX + 1][TCF_META_ID_MAX + 1] =
                 [META_ID(SK_ERR_QLEN)]          = META_FUNC(int_sk_err_qlen),
                 [META_ID(SK_FORWARD_ALLOCS)]    = META_FUNC(int_sk_fwd_alloc),
                 [META_ID(SK_ALLOCS)]            = META_FUNC(int_sk_alloc),
-                [META_ID(SK_ROUTE_CAPS)]        = META_FUNC(int_sk_route_caps),
                 [META_ID(SK_HASH)]              = META_FUNC(int_sk_hash),
                 [META_ID(SK_LINGERTIME)]        = META_FUNC(int_sk_lingertime),
                 [META_ID(SK_ACK_BACKLOG)]       = META_FUNC(int_sk_ack_bl),