From: Jiri Pirko <j...@mellanox.com>
Introduce a stub for allowing user to change rocker port world/mode.
This is implemented using rtnl changelink op.
Signed-off-by: Jiri Pirko <j...@mellanox.com>
---
drivers/net/ethernet/rocker/rocker_main.c | 56 +++++++++++++++++++++++++++++++
include/uapi/linux/if_link.h | 11 ++++++
2 files changed, 67 insertions(+)
diff --git a/drivers/net/ethernet/rocker/rocker_main.c
b/drivers/net/ethernet/rocker/rocker_main.c
index 2dda7f9..fb7e8c2 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -5263,6 +5263,61 @@ static void rocker_port_dev_addr_init(struct rocker_port
*rocker_port)
}
}
+static const struct nla_policy rocker_policy[IFLA_ROCKER_MAX + 1] = {
+ [IFLA_ROCKER_MODE] = { .type = NLA_STRING,
+ .len = ROCKER_MODE_MAX - 1 },
+};
+
+static int rocker_changelink(struct net_device *dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ struct rocker_port *rocker_port = netdev_priv(dev);
+ int err;
+
+ if (!data)
+ return 0;
+
+ if (data[IFLA_ROCKER_MODE]) {
+ char mode[ROCKER_MODE_MAX];
+
+ nla_strlcpy(mode, tb[IFLA_ROCKER_MODE], ROCKER_MODE_MAX);
+ err = rocker_port_change_world(rocker_port, mode);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+static size_t rocker_get_size(const struct net_device *dev)
+{
+ return nla_total_size(sizeof(u8)) + /* IFLA_ROCKER_MODE */
+ 0;
+}
+
+static int rocker_fill_info(struct sk_buff *skb,
+ const struct net_device *dev)
+{
+ struct rocker_port *rocker_port = netdev_priv(dev);
+ const char *mode = rocker_port->world->ops->kind;
+
+ if (nla_put_string(skb, IFLA_ROCKER_MODE, mode))
+ goto nla_put_failure;
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
+static struct rtnl_link_ops rocker_link_ops __read_mostly = {
+ .kind = "rocker",
+ .maxtype = IFLA_ROCKER_MAX,
+ .policy = rocker_policy,
+ .changelink = rocker_changelink,
+ .get_size = rocker_get_size,
+ .fill_info = rocker_fill_info,
+};
+
static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
{
const struct pci_dev *pdev = rocker->pdev;
@@ -5285,6 +5340,7 @@ static int rocker_probe_port(struct rocker *rocker,
unsigned int port_number)
rocker_port_dev_addr_init(rocker_port);
dev->netdev_ops = &rocker_port_netdev_ops;
dev->ethtool_ops = &rocker_port_ethtool_ops;
+ dev->rtnl_link_ops = &rocker_link_ops;
dev->switchdev_ops = &rocker_port_switchdev_ops;
netif_napi_add(dev, &rocker_port->napi_tx, rocker_port_poll_tx,
NAPI_POLL_WEIGHT);
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 3a5f263..7da768e 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -416,6 +416,17 @@ enum {
};
#define IFLA_GENEVE_MAX (__IFLA_GENEVE_MAX - 1)
+/* Rocker section */
+enum {
+ IFLA_ROCKER_UNSPEC,
+ IFLA_ROCKER_MODE,
+ __IFLA_ROCKER_MAX,
+};
+
+#define IFLA_ROCKER_MAX (__IFLA_ROCKER_MAX - 1)
+
+#define ROCKER_MODE_MAX 16
+
/* Bonding section */
enum {
--
1.9.3
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