GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

flow_offload: pass action cookie through offload structures

Browse source 
Extend struct flow_action_entry in order to hold TC action cookie
specified by user inserting the action.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2020-02-25 11:45:18 +01:00 • committed by David S. Miller
parent 3b3e808cd8
commit 2008495d81
3 changed files with 62 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

31
net/sched/cls_api.c
View file

@ -3382,14 +3382,40 @@ int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp,
}
EXPORT_SYMBOL(tc_setup_cb_reoffload);
static int tcf_act_get_cookie(struct flow_action_entry *entry,
const struct tc_action *act)
{
struct tc_cookie *cookie;
int err = 0;
rcu_read_lock();
cookie = rcu_dereference(act->act_cookie);
if (cookie) {
entry->cookie = flow_action_cookie_create(cookie->data,
cookie->len,
GFP_ATOMIC);
if (!entry->cookie)
err = -ENOMEM;
}
rcu_read_unlock();
return err;
}
static void tcf_act_put_cookie(struct flow_action_entry *entry)
{
flow_action_cookie_destroy(entry->cookie);
}
void tc_cleanup_flow_action(struct flow_action *flow_action)
{
struct flow_action_entry *entry;
int i;
flow_action_for_each(i, entry, flow_action)
flow_action_for_each(i, entry, flow_action) {
tcf_act_put_cookie(entry);
if (entry->destructor)
entry->destructor(entry->destructor_priv);
}
}
EXPORT_SYMBOL(tc_cleanup_flow_action);
@ -3447,6 +3473,9 @@ int tc_setup_flow_action(struct flow_action *flow_action,
entry = &flow_action->entries[j];
spin_lock_bh(&act->tcfa_lock);
err = tcf_act_get_cookie(entry, act);
if (err)
goto err_out_locked;
if (is_tcf_gact_ok(act)) {
entry->id = FLOW_ACTION_ACCEPT;
} else if (is_tcf_gact_shot(act)) {