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author | Yuval Mintz <yuvalm@mellanox.com> | 2018-02-28 23:29:37 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-03-01 13:13:23 -0500 |
commit | 3feda6b46f734704840685a62b645cbe4efb810c (patch) | |
tree | 86668b60b416240a85b705953450af932e0ab114 /net/ipv6/ip6mr.c | |
parent | c8d6196803265484f7e1cdd1b00a188dc59a5988 (diff) | |
download | linux-stable-3feda6b46f734704840685a62b645cbe4efb810c.tar.gz linux-stable-3feda6b46f734704840685a62b645cbe4efb810c.tar.bz2 linux-stable-3feda6b46f734704840685a62b645cbe4efb810c.zip |
ipmr, ip6mr: Unite vif seq functions
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>
Diffstat (limited to 'net/ipv6/ip6mr.c')
-rw-r--r-- | net/ipv6/ip6mr.c | 50 |
1 files changed, 5 insertions, 45 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 26315065e7df..ddd9e6bba499 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -337,31 +337,10 @@ static void ip6mr_free_table(struct mr_table *mrt) * /proc/ip6_mr_cache /proc/ip6_mr_vif */ -struct ipmr_vif_iter { - struct seq_net_private p; - struct mr_table *mrt; - int ct; -}; - -static struct vif_device *ip6mr_vif_seq_idx(struct net *net, - struct ipmr_vif_iter *iter, - loff_t pos) -{ - struct mr_table *mrt = iter->mrt; - - for (iter->ct = 0; iter->ct < mrt->maxvif; ++iter->ct) { - if (!VIF_EXISTS(mrt, iter->ct)) - continue; - if (pos-- == 0) - return &mrt->vif_table[iter->ct]; - } - return NULL; -} - static void *ip6mr_vif_seq_start(struct seq_file *seq, loff_t *pos) __acquires(mrt_lock) { - struct ipmr_vif_iter *iter = seq->private; + struct mr_vif_iter *iter = seq->private; struct net *net = seq_file_net(seq); struct mr_table *mrt; @@ -372,26 +351,7 @@ static void *ip6mr_vif_seq_start(struct seq_file *seq, loff_t *pos) iter->mrt = mrt; read_lock(&mrt_lock); - return *pos ? ip6mr_vif_seq_idx(net, seq->private, *pos - 1) - : SEQ_START_TOKEN; -} - -static void *ip6mr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos) -{ - struct ipmr_vif_iter *iter = seq->private; - struct net *net = seq_file_net(seq); - struct mr_table *mrt = iter->mrt; - - ++*pos; - if (v == SEQ_START_TOKEN) - return ip6mr_vif_seq_idx(net, iter, 0); - - while (++iter->ct < mrt->maxvif) { - if (!VIF_EXISTS(mrt, iter->ct)) - continue; - return &mrt->vif_table[iter->ct]; - } - return NULL; + return mr_vif_seq_start(seq, pos); } static void ip6mr_vif_seq_stop(struct seq_file *seq, void *v) @@ -402,7 +362,7 @@ static void ip6mr_vif_seq_stop(struct seq_file *seq, void *v) static int ip6mr_vif_seq_show(struct seq_file *seq, void *v) { - struct ipmr_vif_iter *iter = seq->private; + struct mr_vif_iter *iter = seq->private; struct mr_table *mrt = iter->mrt; if (v == SEQ_START_TOKEN) { @@ -424,7 +384,7 @@ static int ip6mr_vif_seq_show(struct seq_file *seq, void *v) static const struct seq_operations ip6mr_vif_seq_ops = { .start = ip6mr_vif_seq_start, - .next = ip6mr_vif_seq_next, + .next = mr_vif_seq_next, .stop = ip6mr_vif_seq_stop, .show = ip6mr_vif_seq_show, }; @@ -432,7 +392,7 @@ static const struct seq_operations ip6mr_vif_seq_ops = { static int ip6mr_vif_open(struct inode *inode, struct file *file) { return seq_open_net(inode, file, &ip6mr_vif_seq_ops, - sizeof(struct ipmr_vif_iter)); + sizeof(struct mr_vif_iter)); } static const struct file_operations ip6mr_vif_fops = { |