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net: ipmr: remove unused MFC_NOTIFY flag and make the flags enum

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MFC_NOTIFY was introduced in kernel 2.1.68 but afaik it hasn't been used
and I couldn't find any users currently so just remove it. Only
MFC_STATIC is left, so move it into an enum, add a description and use
BIT().

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2015-11-26 15:23:45 +01:00 • committed by David S. Miller
parent dfc3b0e891
commit 06bd6c0370
2 changed files with 7 additions and 5 deletions
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10
include/linux/mroute.h
View file

@ -64,6 +64,13 @@ struct vif_device {
#define VIFF_STATIC 0x8000 #define VIFF_STATIC 0x8000
/* mfc_flags:
* MFC_STATIC - the entry was added statically (not by a routing daemon)
*/
enum {
MFC_STATIC = BIT(0),
};
struct mfc_cache { struct mfc_cache {
struct list_head list; struct list_head list;
__be32 mfc_mcastgrp; /* Group the entry belongs to */ __be32 mfc_mcastgrp; /* Group the entry belongs to */
@ -89,9 +96,6 @@ struct mfc_cache {
struct rcu_head rcu; struct rcu_head rcu;
}; };
#define MFC_STATIC 1
#define MFC_NOTIFY 2
#define MFC_LINES 64 #define MFC_LINES 64
#ifdef __BIG_ENDIAN #ifdef __BIG_ENDIAN

2
net/ipv4/ipmr.c
View file

@ -2199,8 +2199,6 @@ int ipmr_get_route(struct net *net, struct sk_buff *skb,
} }
read_lock(&mrt_lock); read_lock(&mrt_lock);
if (!nowait && (rtm->rtm_flags & RTM_F_NOTIFY))
cache->mfc_flags |= MFC_NOTIFY;
err = __ipmr_fill_mroute(mrt, skb, cache, rtm); err = __ipmr_fill_mroute(mrt, skb, cache, rtm);
read_unlock(&mrt_lock); read_unlock(&mrt_lock);
rcu_read_unlock(); rcu_read_unlock();