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netfilter: flowtable: pass flowtable to nf_flow_table_iterate() 

The flowtable object is already passed as argument to
nf_flow_table_iterate(), do use not data pointer to pass flowtable.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2022-03-18 13:11:24 +01:00
parent bb321ed6bb
commit 217cff36e8
1 changed files with 10 additions and 10 deletions
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20
net/netfilter/nf_flow_table_core.c
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@ -405,7 +405,8 @@ EXPORT_SYMBOL_GPL(flow_offload_lookup);
static int
nf_flow_table_iterate(struct nf_flowtable *flow_table,
void (*iter)(struct flow_offload *flow, void *data),
void (*iter)(struct nf_flowtable *flowtable,
struct flow_offload *flow, void *data),
void *data)
{
struct flow_offload_tuple_rhash *tuplehash;
@ -429,7 +430,7 @@ nf_flow_table_iterate(struct nf_flowtable *flow_table,
flow = container_of(tuplehash, struct flow_offload, tuplehash[0]);
iter(flow, data);
iter(flow_table, flow, data);
}
rhashtable_walk_stop(&hti);
rhashtable_walk_exit(&hti);
@ -457,10 +458,9 @@ static bool nf_flow_has_stale_dst(struct flow_offload *flow)
flow_offload_stale_dst(&flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple);
}
static void nf_flow_offload_gc_step(struct flow_offload *flow, void *data)
static void nf_flow_offload_gc_step(struct nf_flowtable *flow_table,
struct flow_offload *flow, void *data)
{
struct nf_flowtable *flow_table = data;
if (nf_flow_has_expired(flow) ||
nf_ct_is_dying(flow->ct) ||
nf_flow_has_stale_dst(flow))
@ -485,7 +485,7 @@ static void nf_flow_offload_work_gc(struct work_struct *work)
struct nf_flowtable *flow_table;
flow_table = container_of(work, struct nf_flowtable, gc_work.work);
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, flow_table);
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, NULL);
queue_delayed_work(system_power_efficient_wq, &flow_table->gc_work, HZ);
}
@ -601,7 +601,8 @@ int nf_flow_table_init(struct nf_flowtable *flowtable)
}
EXPORT_SYMBOL_GPL(nf_flow_table_init);
static void nf_flow_table_do_cleanup(struct flow_offload *flow, void *data)
static void nf_flow_table_do_cleanup(struct nf_flowtable *flow_table,
struct flow_offload *flow, void *data)
{
struct net_device *dev = data;
@ -643,11 +644,10 @@ void nf_flow_table_free(struct nf_flowtable *flow_table)
cancel_delayed_work_sync(&flow_table->gc_work);
nf_flow_table_iterate(flow_table, nf_flow_table_do_cleanup, NULL);
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, flow_table);
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, NULL);
nf_flow_table_offload_flush(flow_table);
if (nf_flowtable_hw_offload(flow_table))
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step,
flow_table);
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, NULL);
rhashtable_destroy(&flow_table->rhashtable);
}
EXPORT_SYMBOL_GPL(nf_flow_table_free);