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devlink: extend devlink_trap_report() to accept cookie and pass

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Add cookie argument to devlink_trap_report() allowing driver to pass in
the user cookie. Pass on the cookie down to drop monitor code.

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 11:45:21 +01:00 committed by David S. Miller
parent 742b8cceaa
commit 5a2e106c74
4 changed files with 15 additions and 9 deletions
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4
drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
View File

@ -71,7 +71,7 @@ static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u8 local_port,
in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
local_port);
skb_push(skb, ETH_HLEN);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, NULL);
consume_skb(skb);
}
@ -95,7 +95,7 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port,
in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
local_port);
skb_push(skb, ETH_HLEN);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, NULL);
skb_pull(skb, ETH_HLEN);
skb->offload_fwd_mark = 1;
netif_receive_skb(skb);

2
drivers/net/netdevsim/dev.c
View File

@ -385,7 +385,7 @@ static void nsim_dev_trap_report(struct nsim_dev_port *nsim_dev_port)
*/
local_bh_disable();
devlink_trap_report(devlink, skb, nsim_trap_item->trap_ctx,
&nsim_dev_port->devlink_port);
&nsim_dev_port->devlink_port, NULL);
local_bh_enable();
consume_skb(skb);
}

7
include/net/devlink.h
View File

@ -16,6 +16,7 @@
#include <linux/workqueue.h>
#include <linux/refcount.h>
#include <net/net_namespace.h>
#include <net/flow_offload.h>
#include <uapi/linux/devlink.h>
struct devlink_ops;
@ -1050,9 +1051,9 @@ int devlink_traps_register(struct devlink *devlink,
void devlink_traps_unregister(struct devlink *devlink,
const struct devlink_trap *traps,
size_t traps_count);
void devlink_trap_report(struct devlink *devlink,
struct sk_buff *skb, void *trap_ctx,
struct devlink_port *in_devlink_port);
void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
void *trap_ctx, struct devlink_port *in_devlink_port,
const struct flow_action_cookie *fa_cookie);
void *devlink_trap_ctx_priv(void *trap_ctx);
#if IS_ENABLED(CONFIG_NET_DEVLINK)

11
net/core/devlink.c
View File

@ -8205,12 +8205,14 @@ devlink_trap_stats_update(struct devlink_stats __percpu *trap_stats,
static void
devlink_trap_report_metadata_fill(struct net_dm_hw_metadata *hw_metadata,
const struct devlink_trap_item *trap_item,
struct devlink_port *in_devlink_port)
struct devlink_port *in_devlink_port,
const struct flow_action_cookie *fa_cookie)
{
struct devlink_trap_group_item *group_item = trap_item->group_item;
hw_metadata->trap_group_name = group_item->group->name;
hw_metadata->trap_name = trap_item->trap->name;
hw_metadata->fa_cookie = fa_cookie;
spin_lock(&in_devlink_port->type_lock);
if (in_devlink_port->type == DEVLINK_PORT_TYPE_ETH)
@ -8224,9 +8226,12 @@ devlink_trap_report_metadata_fill(struct net_dm_hw_metadata *hw_metadata,
* @skb: Trapped packet.
* @trap_ctx: Trap context.
* @in_devlink_port: Input devlink port.
* @fa_cookie: Flow action cookie. Could be NULL.
*/
void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
void *trap_ctx, struct devlink_port *in_devlink_port)
void *trap_ctx, struct devlink_port *in_devlink_port,
const struct flow_action_cookie *fa_cookie)
{
struct devlink_trap_item *trap_item = trap_ctx;
struct net_dm_hw_metadata hw_metadata = {};
@ -8235,7 +8240,7 @@ void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
devlink_trap_stats_update(trap_item->group_item->stats, skb->len);
devlink_trap_report_metadata_fill(&hw_metadata, trap_item,
in_devlink_port);
in_devlink_port, fa_cookie);
net_dm_hw_report(skb, &hw_metadata);
}
EXPORT_SYMBOL_GPL(devlink_trap_report);