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drop_monitor: Remove duplicate struct

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'struct net_dm_hw_metadata' is a duplicate of 'struct
devlink_trap_metadata'.

Remove the former and simplify the code.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2020-09-29 11:15:54 +03:00 committed by David S. Miller
parent de9cbb81bd
commit a848c05f4b
1 changed files with 10 additions and 17 deletions
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27
net/core/drop_monitor.c
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@ -108,13 +108,6 @@ static enum net_dm_alert_mode net_dm_alert_mode = NET_DM_ALERT_MODE_SUMMARY;
static u32 net_dm_trunc_len;
static u32 net_dm_queue_len = 1000;
struct net_dm_hw_metadata {
const char *trap_group_name;
const char *trap_name;
struct net_device *input_dev;
const struct flow_action_cookie *fa_cookie;
};
struct net_dm_alert_ops {
void (*kfree_skb_probe)(void *ignore, struct sk_buff *skb,
void *location);
@ -129,7 +122,7 @@ struct net_dm_alert_ops {
struct net_dm_skb_cb {
union {
struct net_dm_hw_metadata *hw_metadata;
struct devlink_trap_metadata *hw_metadata;
void *pc;
};
};
@ -715,7 +708,7 @@ static void net_dm_packet_work(struct work_struct *work)
}
static size_t
net_dm_flow_action_cookie_size(const struct net_dm_hw_metadata *hw_metadata)
net_dm_flow_action_cookie_size(const struct devlink_trap_metadata *hw_metadata)
{
return hw_metadata->fa_cookie ?
nla_total_size(hw_metadata->fa_cookie->cookie_len) : 0;
@ -723,7 +716,7 @@ net_dm_flow_action_cookie_size(const struct net_dm_hw_metadata *hw_metadata)
static size_t
net_dm_hw_packet_report_size(size_t payload_len,
const struct net_dm_hw_metadata *hw_metadata)
const struct devlink_trap_metadata *hw_metadata)
{
size_t size;
@ -753,7 +746,7 @@ net_dm_hw_packet_report_size(size_t payload_len,
static int net_dm_hw_packet_report_fill(struct sk_buff *msg,
struct sk_buff *skb, size_t payload_len)
{
struct net_dm_hw_metadata *hw_metadata;
struct devlink_trap_metadata *hw_metadata;
struct nlattr *attr;
void *hdr;
@ -820,11 +813,11 @@ nla_put_failure:
return -EMSGSIZE;
}
static struct net_dm_hw_metadata *
static struct devlink_trap_metadata *
net_dm_hw_metadata_copy(const struct devlink_trap_metadata *metadata)
{
const struct flow_action_cookie *fa_cookie;
struct net_dm_hw_metadata *hw_metadata;
struct devlink_trap_metadata *hw_metadata;
const char *trap_group_name;
const char *trap_name;
@ -869,7 +862,7 @@ free_hw_metadata:
}
static void
net_dm_hw_metadata_free(const struct net_dm_hw_metadata *hw_metadata)
net_dm_hw_metadata_free(const struct devlink_trap_metadata *hw_metadata)
{
if (hw_metadata->input_dev)
dev_put(hw_metadata->input_dev);
@ -881,7 +874,7 @@ net_dm_hw_metadata_free(const struct net_dm_hw_metadata *hw_metadata)
static void net_dm_hw_packet_report(struct sk_buff *skb)
{
struct net_dm_hw_metadata *hw_metadata;
struct devlink_trap_metadata *hw_metadata;
struct sk_buff *msg;
size_t payload_len;
int rc;
@ -938,7 +931,7 @@ net_dm_hw_trap_packet_probe(void *ignore, const struct devlink *devlink,
struct sk_buff *skb,
const struct devlink_trap_metadata *metadata)
{
struct net_dm_hw_metadata *n_hw_metadata;
struct devlink_trap_metadata *n_hw_metadata;
ktime_t tstamp = ktime_get_real();
struct per_cpu_dm_data *hw_data;
struct sk_buff *nskb;
@ -1081,7 +1074,7 @@ static void net_dm_hw_monitor_stop(struct netlink_ext_ack *extack)
del_timer_sync(&hw_data->send_timer);
cancel_work_sync(&hw_data->dm_alert_work);
while ((skb = __skb_dequeue(&hw_data->drop_queue))) {
struct net_dm_hw_metadata *hw_metadata;
struct devlink_trap_metadata *hw_metadata;
hw_metadata = NET_DM_SKB_CB(skb)->hw_metadata;
net_dm_hw_metadata_free(hw_metadata);