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-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c8
-rw-r--r--include/net/psample.h14
-rw-r--r--net/psample/psample.c6
-rw-r--r--net/sched/act_sample.c16
4 files changed, 23 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 93b15b8c007e..3b15f8d728a3 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -2217,7 +2217,7 @@ void mlxsw_sp_sample_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
{
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
struct mlxsw_sp_port_sample *sample;
- u32 size;
+ struct psample_metadata md = {};
if (unlikely(!mlxsw_sp_port)) {
dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received for non-existent port\n",
@@ -2229,9 +2229,9 @@ void mlxsw_sp_sample_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
sample = rcu_dereference(mlxsw_sp_port->sample);
if (!sample)
goto out_unlock;
- size = sample->truncate ? sample->trunc_size : skb->len;
- psample_sample_packet(sample->psample_group, skb, size,
- mlxsw_sp_port->dev->ifindex, 0, sample->rate);
+ md.trunc_size = sample->truncate ? sample->trunc_size : skb->len;
+ md.in_ifindex = mlxsw_sp_port->dev->ifindex;
+ psample_sample_packet(sample->psample_group, skb, sample->rate, &md);
out_unlock:
rcu_read_unlock();
out:
diff --git a/include/net/psample.h b/include/net/psample.h
index 68ae16bb0a4a..ac6dbfb3870d 100644
--- a/include/net/psample.h
+++ b/include/net/psample.h
@@ -14,6 +14,12 @@ struct psample_group {
struct rcu_head rcu;
};
+struct psample_metadata {
+ u32 trunc_size;
+ int in_ifindex;
+ int out_ifindex;
+};
+
struct psample_group *psample_group_get(struct net *net, u32 group_num);
void psample_group_take(struct psample_group *group);
void psample_group_put(struct psample_group *group);
@@ -21,15 +27,13 @@ void psample_group_put(struct psample_group *group);
#if IS_ENABLED(CONFIG_PSAMPLE)
void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
- u32 trunc_size, int in_ifindex, int out_ifindex,
- u32 sample_rate);
+ u32 sample_rate, const struct psample_metadata *md);
#else
static inline void psample_sample_packet(struct psample_group *group,
- struct sk_buff *skb, u32 trunc_size,
- int in_ifindex, int out_ifindex,
- u32 sample_rate)
+ struct sk_buff *skb, u32 sample_rate,
+ const struct psample_metadata *md)
{
}
diff --git a/net/psample/psample.c b/net/psample/psample.c
index 482c07f2766b..065bc887d239 100644
--- a/net/psample/psample.c
+++ b/net/psample/psample.c
@@ -356,9 +356,11 @@ static int psample_tunnel_meta_len(struct ip_tunnel_info *tun_info)
#endif
void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
- u32 trunc_size, int in_ifindex, int out_ifindex,
- u32 sample_rate)
+ u32 sample_rate, const struct psample_metadata *md)
{
+ int out_ifindex = md->out_ifindex;
+ int in_ifindex = md->in_ifindex;
+ u32 trunc_size = md->trunc_size;
#ifdef CONFIG_INET
struct ip_tunnel_info *tun_info;
#endif
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index db8ee9e5c8c2..6a0c16e4351d 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -158,10 +158,8 @@ static int tcf_sample_act(struct sk_buff *skb, const struct tc_action *a,
{
struct tcf_sample *s = to_sample(a);
struct psample_group *psample_group;
+ struct psample_metadata md = {};
int retval;
- int size;
- int iif;
- int oif;
tcf_lastuse_update(&s->tcf_tm);
bstats_cpu_update(this_cpu_ptr(s->common.cpu_bstats), skb);
@@ -172,20 +170,18 @@ static int tcf_sample_act(struct sk_buff *skb, const struct tc_action *a,
/* randomly sample packets according to rate */
if (psample_group && (prandom_u32() % s->rate == 0)) {
if (!skb_at_tc_ingress(skb)) {
- iif = skb->skb_iif;
- oif = skb->dev->ifindex;
+ md.in_ifindex = skb->skb_iif;
+ md.out_ifindex = skb->dev->ifindex;
} else {
- iif = skb->dev->ifindex;
- oif = 0;
+ md.in_ifindex = skb->dev->ifindex;
}
/* on ingress, the mac header gets popped, so push it back */
if (skb_at_tc_ingress(skb) && tcf_sample_dev_ok_push(skb->dev))
skb_push(skb, skb->mac_len);
- size = s->truncate ? s->trunc_size : skb->len;
- psample_sample_packet(psample_group, skb, size, iif, oif,
- s->rate);
+ md.trunc_size = s->truncate ? s->trunc_size : skb->len;
+ psample_sample_packet(psample_group, skb, s->rate, &md);
if (skb_at_tc_ingress(skb) && tcf_sample_dev_ok_push(skb->dev))
skb_pull(skb, skb->mac_len);