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kernel: bump 5.15 to 5.15.54
[immortalwrt/immortalwrt.git] / target / linux / generic / backport-5.15 / 759-net-next-net-dsa-qca8k-add-support-for-port-fast-aging.patch
1 From 4592538bfb0d5d3c3c8a1d7071724d081412ac91 Mon Sep 17 00:00:00 2001
2 From: Ansuel Smith <ansuelsmth@gmail.com>
3 Date: Mon, 22 Nov 2021 16:23:46 +0100
4 Subject: net: dsa: qca8k: add support for port fast aging
5
6 The switch supports fast aging by flushing any rule in the ARL
7 table for a specific port.
8
9 Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
10 Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
11 Signed-off-by: David S. Miller <davem@davemloft.net>
12 ---
13  drivers/net/dsa/qca8k.c | 11 +++++++++++
14  drivers/net/dsa/qca8k.h |  1 +
15  2 files changed, 12 insertions(+)
16
17 --- a/drivers/net/dsa/qca8k.c
18 +++ b/drivers/net/dsa/qca8k.c
19 @@ -1790,6 +1790,16 @@ qca8k_port_bridge_leave(struct dsa_switc
20                   QCA8K_PORT_LOOKUP_MEMBER, BIT(cpu_port));
21  }
22  
23 +static void
24 +qca8k_port_fast_age(struct dsa_switch *ds, int port)
25 +{
26 +       struct qca8k_priv *priv = ds->priv;
27 +
28 +       mutex_lock(&priv->reg_mutex);
29 +       qca8k_fdb_access(priv, QCA8K_FDB_FLUSH_PORT, port);
30 +       mutex_unlock(&priv->reg_mutex);
31 +}
32 +
33  static int
34  qca8k_port_enable(struct dsa_switch *ds, int port,
35                   struct phy_device *phy)
36 @@ -2017,6 +2027,7 @@ static const struct dsa_switch_ops qca8k
37         .port_stp_state_set     = qca8k_port_stp_state_set,
38         .port_bridge_join       = qca8k_port_bridge_join,
39         .port_bridge_leave      = qca8k_port_bridge_leave,
40 +       .port_fast_age          = qca8k_port_fast_age,
41         .port_fdb_add           = qca8k_port_fdb_add,
42         .port_fdb_del           = qca8k_port_fdb_del,
43         .port_fdb_dump          = qca8k_port_fdb_dump,
44 --- a/drivers/net/dsa/qca8k.h
45 +++ b/drivers/net/dsa/qca8k.h
46 @@ -262,6 +262,7 @@ enum qca8k_fdb_cmd {
47         QCA8K_FDB_FLUSH = 1,
48         QCA8K_FDB_LOAD = 2,
49         QCA8K_FDB_PURGE = 3,
50 +       QCA8K_FDB_FLUSH_PORT = 5,
51         QCA8K_FDB_NEXT = 6,
52         QCA8K_FDB_SEARCH = 7,
53  };