diff options
| author | Vivien Didelot <vivien.didelot@savoirfairelinux.com> | 2017-01-27 15:29:38 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-29 18:42:46 -0500 |
| commit | 818be8489d6fc8f4cc2c7699bbfd8e1983080f10 (patch) | |
| tree | 50b8e511c5aca76d6e4670c681d9de60b6ffcb96 | |
| parent | 26895e299cfb583d304553e9c259e694a7e83397 (diff) | |
| download | linux-818be8489d6fc8f4cc2c7699bbfd8e1983080f10.tar.bz2 | |
net: dsa: add ds and index to dsa_port
Add the physical switch instance and port index a DSA port belongs to to
the dsa_port structure.
That can be used later to retrieve information about a physical port
when configuring a switch fabric, or lighten up struct dsa_slave_priv.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/dsa.h | 2 | ||||
| -rw-r--r-- | net/dsa/dsa2.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 24e1d935ae68..6bd1f8b05dbd 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -140,6 +140,8 @@ struct dsa_switch_tree { }; struct dsa_port { + struct dsa_switch *ds; + unsigned int index; struct net_device *netdev; struct device_node *dn; unsigned int ageing_time; diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 6e7b3e88b778..9f8cc26be9ea 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -670,6 +670,7 @@ struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n) { size_t size = sizeof(struct dsa_switch) + n * sizeof(struct dsa_port); struct dsa_switch *ds; + int i; ds = devm_kzalloc(dev, size, GFP_KERNEL); if (!ds) @@ -678,6 +679,11 @@ struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n) ds->dev = dev; ds->num_ports = n; + for (i = 0; i < ds->num_ports; ++i) { + ds->ports[i].index = i; + ds->ports[i].ds = ds; + } + return ds; } EXPORT_SYMBOL_GPL(dsa_switch_alloc); |