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ipmr: Make MFC fib notifiers common

Browse source 
Like vif notifications, move the notifier struct for MFC as well as its
helpers into a common file; Currently they're only used by ipmr.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz 2018-03-26 15:01:32 +03:00 committed by David S. Miller
parent bc67a0daf8
commit 54c4cad97b
4 changed files with 56 additions and 33 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
View file

@ -5391,7 +5391,9 @@ static int mlxsw_sp_router_fibmr_add(struct mlxsw_sp *mlxsw_sp,
if (IS_ERR(vr))
return PTR_ERR(vr);
return mlxsw_sp_mr_route4_add(vr->mr4_table, men_info->mfc, replace);
return mlxsw_sp_mr_route4_add(vr->mr4_table,
(struct mfc_cache *) men_info->mfc,
replace);
}
static void mlxsw_sp_router_fibmr_del(struct mlxsw_sp *mlxsw_sp,
@ -5406,7 +5408,8 @@ static void mlxsw_sp_router_fibmr_del(struct mlxsw_sp *mlxsw_sp,
if (WARN_ON(!vr))
return;
mlxsw_sp_mr_route4_del(vr->mr4_table, men_info->mfc);
mlxsw_sp_mr_route4_del(vr->mr4_table,
(struct mfc_cache *) men_info->mfc);
mlxsw_sp_vr_put(mlxsw_sp, vr);
}
@ -5682,11 +5685,11 @@ static void mlxsw_sp_router_fibmr_event_work(struct work_struct *work)
replace);
if (err)
mlxsw_sp_router_fib_abort(mlxsw_sp);
ipmr_cache_put(fib_work->men_info.mfc);
ipmr_cache_put((struct mfc_cache *) fib_work->men_info.mfc);
break;
case FIB_EVENT_ENTRY_DEL:
mlxsw_sp_router_fibmr_del(mlxsw_sp, &fib_work->men_info);
ipmr_cache_put(fib_work->men_info.mfc);
ipmr_cache_put((struct mfc_cache *) fib_work->men_info.mfc);
break;
case FIB_EVENT_VIF_ADD:
err = mlxsw_sp_router_fibmr_vif_add(mlxsw_sp,
@ -5766,7 +5769,7 @@ mlxsw_sp_router_fibmr_event(struct mlxsw_sp_fib_event_work *fib_work,
case FIB_EVENT_ENTRY_ADD: /* fall through */
case FIB_EVENT_ENTRY_DEL:
memcpy(&fib_work->men_info, info, sizeof(fib_work->men_info));
ipmr_cache_hold(fib_work->men_info.mfc);
ipmr_cache_hold((struct mfc_cache *) fib_work->men_info.mfc);
break;
case FIB_EVENT_VIF_ADD: /* fall through */
case FIB_EVENT_VIF_DEL:

6
include/linux/mroute.h
View file

@ -80,12 +80,6 @@ struct mfc_cache {
};
};
struct mfc_entry_notifier_info {
struct fib_notifier_info info;
struct mfc_cache *mfc;
u32 tb_id;
};
struct rtmsg;
int ipmr_get_route(struct net *net, struct sk_buff *skb,
__be32 saddr, __be32 daddr,

44
include/linux/mroute_base.h
View file

@ -152,6 +152,50 @@ struct mr_mfc {
struct rcu_head rcu;
};
struct mfc_entry_notifier_info {
struct fib_notifier_info info;
struct mr_mfc *mfc;
u32 tb_id;
};
static inline int mr_call_mfc_notifier(struct notifier_block *nb,
struct net *net,
unsigned short family,
enum fib_event_type event_type,
struct mr_mfc *mfc, u32 tb_id)
{
struct mfc_entry_notifier_info info = {
.info = {
.family = family,
.net = net,
},
.mfc = mfc,
.tb_id = tb_id
};
return call_fib_notifier(nb, net, event_type, &info.info);
}
static inline int mr_call_mfc_notifiers(struct net *net,
unsigned short family,
enum fib_event_type event_type,
struct mr_mfc *mfc, u32 tb_id,
unsigned int *ipmr_seq)
{
struct mfc_entry_notifier_info info = {
.info = {
.family = family,
.net = net,
},
.mfc = mfc,
.tb_id = tb_id
};
ASSERT_RTNL();
(*ipmr_seq)++;
return call_fib_notifiers(net, event_type, &info.info);
}
struct mr_table;
/**

26
net/ipv4/ipmr.c
View file

@ -669,34 +669,16 @@ static int call_ipmr_mfc_entry_notifier(struct notifier_block *nb,
enum fib_event_type event_type,
struct mfc_cache *mfc, u32 tb_id)
{
struct mfc_entry_notifier_info info = {
.info = {
.family = RTNL_FAMILY_IPMR,
.net = net,
},
.mfc = mfc,
.tb_id = tb_id
};
return call_fib_notifier(nb, net, event_type, &info.info);
return mr_call_mfc_notifier(nb, net, RTNL_FAMILY_IPMR,
event_type, &mfc->_c, tb_id);
}
static int call_ipmr_mfc_entry_notifiers(struct net *net,
enum fib_event_type event_type,
struct mfc_cache *mfc, u32 tb_id)
{
struct mfc_entry_notifier_info info = {
.info = {
.family = RTNL_FAMILY_IPMR,
.net = net,
},
.mfc = mfc,
.tb_id = tb_id
};
ASSERT_RTNL();
net->ipv4.ipmr_seq++;
return call_fib_notifiers(net, event_type, &info.info);
return mr_call_mfc_notifiers(net, RTNL_FAMILY_IPMR, event_type,
&mfc->_c, tb_id, &net->ipv4.ipmr_seq);
}
/**