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ipmr, ip6mr: Unite vif seq functions

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Same as previously done with the mfc seq, the logic for the vif seq is
refactored to be shared between ipmr and ip6mr.

Signed-off-by: Yuval Mintz <yuvalm@mellanox.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz
2018-02-28 23:29:37 +02:00
committed by David S. Miller
parent c8d6196803
commit 3feda6b46f
4 changed files with 76 additions and 89 deletions
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33
include/linux/mroute_base.h
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@@ -206,6 +206,12 @@ static inline void *mr_mfc_find(struct mr_table *mrt, void *hasharg)
}
#ifdef CONFIG_PROC_FS
struct mr_vif_iter {
struct seq_net_private p;
struct mr_table *mrt;
int ct;
};
struct mr_mfc_iter {
struct seq_net_private p;
struct mr_table *mrt;
@@ -216,6 +222,16 @@ struct mr_mfc_iter {
};
#ifdef CONFIG_IP_MROUTE_COMMON
void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter, loff_t pos);
void *mr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos);
static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos)
{
return *pos ? mr_vif_seq_idx(seq_file_net(seq),
seq->private, *pos - 1)
: SEQ_START_TOKEN;
}
/* These actually return 'struct mr_mfc *', but to avoid need for explicit
* castings they simply return void.
*/
@@ -249,6 +265,23 @@ static inline void mr_mfc_seq_stop(struct seq_file *seq, void *v)
rcu_read_unlock();
}
#else
static inline void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter,
loff_t pos)
{
return NULL;
}
static inline void *mr_vif_seq_next(struct seq_file *seq,
void *v, loff_t *pos)
{
return NULL;
}
static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos)
{
return NULL;
}
static inline void *mr_mfc_seq_idx(struct net *net,
struct mr_mfc_iter *it, loff_t pos)
{