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authorPetr Machata <petrm@mellanox.com>2020-07-11 00:55:03 +0300
committerDavid S. Miller <davem@davemloft.net>2020-07-13 17:22:21 -0700
commitc40f4e50b6cfc7c66f69d12c6b3fbcd954f1ded5 (patch)
tree5f7dc038a15a9bc3ca2c768ff2af4af9de63bee0 /net/core/flow_offload.c
parente1d82f7ad0b5e19659c74a0abf7a53768c1249f8 (diff)
net: sched: Pass qdisc reference in struct flow_block_offload
Previously, shared blocks were only relevant for the pseudo-qdiscs ingress and clsact. Recently, a qevent facility was introduced, which allows to bind blocks to well-defined slots of a qdisc instance. RED in particular got two qevents: early_drop and mark. Drivers that wish to offload these blocks will be sent the usual notification, and need to know which qdisc it is related to. To that end, extend flow_block_offload with a "sch" pointer, and initialize as appropriate. This prompts changes in the indirect block facility, which now tracks the scheduler in addition to the netdevice. Update signatures of several functions similarly. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/flow_offload.c')
-rw-r--r--net/core/flow_offload.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index b739cfab796e..b8cf6ff5f961 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -429,7 +429,7 @@ EXPORT_SYMBOL(flow_indr_dev_unregister);
static void flow_block_indr_init(struct flow_block_cb *flow_block,
struct flow_block_offload *bo,
- struct net_device *dev, void *data,
+ struct net_device *dev, struct Qdisc *sch, void *data,
void *cb_priv,
void (*cleanup)(struct flow_block_cb *block_cb))
{
@@ -437,6 +437,7 @@ static void flow_block_indr_init(struct flow_block_cb *flow_block,
flow_block->indr.data = data;
flow_block->indr.cb_priv = cb_priv;
flow_block->indr.dev = dev;
+ flow_block->indr.sch = sch;
flow_block->indr.cleanup = cleanup;
}
@@ -444,7 +445,8 @@ struct flow_block_cb *flow_indr_block_cb_alloc(flow_setup_cb_t *cb,
void *cb_ident, void *cb_priv,
void (*release)(void *cb_priv),
struct flow_block_offload *bo,
- struct net_device *dev, void *data,
+ struct net_device *dev,
+ struct Qdisc *sch, void *data,
void *indr_cb_priv,
void (*cleanup)(struct flow_block_cb *block_cb))
{
@@ -454,7 +456,7 @@ struct flow_block_cb *flow_indr_block_cb_alloc(flow_setup_cb_t *cb,
if (IS_ERR(block_cb))
goto out;
- flow_block_indr_init(block_cb, bo, dev, data, indr_cb_priv, cleanup);
+ flow_block_indr_init(block_cb, bo, dev, sch, data, indr_cb_priv, cleanup);
list_add(&block_cb->indr.list, &flow_block_indr_list);
out:
@@ -462,7 +464,7 @@ out:
}
EXPORT_SYMBOL(flow_indr_block_cb_alloc);
-int flow_indr_dev_setup_offload(struct net_device *dev,
+int flow_indr_dev_setup_offload(struct net_device *dev, struct Qdisc *sch,
enum tc_setup_type type, void *data,
struct flow_block_offload *bo,
void (*cleanup)(struct flow_block_cb *block_cb))
@@ -471,7 +473,7 @@ int flow_indr_dev_setup_offload(struct net_device *dev,
mutex_lock(&flow_indr_block_lock);
list_for_each_entry(this, &flow_block_indr_dev_list, list)
- this->cb(dev, this->cb_priv, type, bo, data, cleanup);
+ this->cb(dev, sch, this->cb_priv, type, bo, data, cleanup);
mutex_unlock(&flow_indr_block_lock);