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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2019-07-09 22:55:42 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-07-09 14:38:50 -0700 |
| commit | d63db30c8537ba45208c156d71125db73d0fe522 (patch) | |
| tree | 36e704c2825d9d7667d3a5e5de247c0241fd8e79 /net | |
| parent | 32f8c4093ac353a5f1b36cfed0ce0138faf8e15f (diff) | |
| download | linux-d63db30c8537ba45208c156d71125db73d0fe522.tar.gz linux-d63db30c8537ba45208c156d71125db73d0fe522.tar.bz2 linux-d63db30c8537ba45208c156d71125db73d0fe522.zip | |
net: flow_offload: add flow_block_cb_alloc() and flow_block_cb_free()
Add a new helper function to allocate flow_block_cb objects.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/flow_offload.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c index 6d8187e8effc..d08148cb6953 100644 --- a/net/core/flow_offload.c +++ b/net/core/flow_offload.c @@ -166,6 +166,34 @@ void flow_rule_match_enc_opts(const struct flow_rule *rule, } EXPORT_SYMBOL(flow_rule_match_enc_opts); +struct flow_block_cb *flow_block_cb_alloc(struct net *net, tc_setup_cb_t *cb, + void *cb_ident, void *cb_priv, + void (*release)(void *cb_priv)) +{ + struct flow_block_cb *block_cb; + + block_cb = kzalloc(sizeof(*block_cb), GFP_KERNEL); + if (!block_cb) + return ERR_PTR(-ENOMEM); + + block_cb->cb = cb; + block_cb->cb_ident = cb_ident; + block_cb->cb_priv = cb_priv; + block_cb->release = release; + + return block_cb; +} +EXPORT_SYMBOL(flow_block_cb_alloc); + +void flow_block_cb_free(struct flow_block_cb *block_cb) +{ + if (block_cb->release) + block_cb->release(block_cb->cb_priv); + + kfree(block_cb); +} +EXPORT_SYMBOL(flow_block_cb_free); + int flow_block_cb_setup_simple(struct flow_block_offload *f, struct list_head *driver_block_list, tc_setup_cb_t *cb, void *cb_ident, void *cb_priv, |