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Diffstat (limited to 'net/devlink/leftover.c')
-rw-r--r--net/devlink/leftover.c196
1 files changed, 86 insertions, 110 deletions
diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
index cd0254968076..1f00f874471f 100644
--- a/net/devlink/leftover.c
+++ b/net/devlink/leftover.c
@@ -447,18 +447,18 @@ static void devlink_port_fn_cap_fill(struct nla_bitfield32 *caps,
caps->value |= cap;
}
-static int devlink_port_fn_roce_fill(const struct devlink_ops *ops,
- struct devlink_port *devlink_port,
+static int devlink_port_fn_roce_fill(struct devlink_port *devlink_port,
struct nla_bitfield32 *caps,
struct netlink_ext_ack *extack)
{
bool is_enable;
int err;
- if (!ops->port_fn_roce_get)
+ if (!devlink_port->ops->port_fn_roce_get)
return 0;
- err = ops->port_fn_roce_get(devlink_port, &is_enable, extack);
+ err = devlink_port->ops->port_fn_roce_get(devlink_port, &is_enable,
+ extack);
if (err) {
if (err == -EOPNOTSUPP)
return 0;
@@ -469,19 +469,19 @@ static int devlink_port_fn_roce_fill(const struct devlink_ops *ops,
return 0;
}
-static int devlink_port_fn_migratable_fill(const struct devlink_ops *ops,
- struct devlink_port *devlink_port,
+static int devlink_port_fn_migratable_fill(struct devlink_port *devlink_port,
struct nla_bitfield32 *caps,
struct netlink_ext_ack *extack)
{
bool is_enable;
int err;
- if (!ops->port_fn_migratable_get ||
+ if (!devlink_port->ops->port_fn_migratable_get ||
devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PCI_VF)
return 0;
- err = ops->port_fn_migratable_get(devlink_port, &is_enable, extack);
+ err = devlink_port->ops->port_fn_migratable_get(devlink_port,
+ &is_enable, extack);
if (err) {
if (err == -EOPNOTSUPP)
return 0;
@@ -492,8 +492,7 @@ static int devlink_port_fn_migratable_fill(const struct devlink_ops *ops,
return 0;
}
-static int devlink_port_fn_caps_fill(const struct devlink_ops *ops,
- struct devlink_port *devlink_port,
+static int devlink_port_fn_caps_fill(struct devlink_port *devlink_port,
struct sk_buff *msg,
struct netlink_ext_ack *extack,
bool *msg_updated)
@@ -501,11 +500,11 @@ static int devlink_port_fn_caps_fill(const struct devlink_ops *ops,
struct nla_bitfield32 caps = {};
int err;
- err = devlink_port_fn_roce_fill(ops, devlink_port, &caps, extack);
+ err = devlink_port_fn_roce_fill(devlink_port, &caps, extack);
if (err)
return err;
- err = devlink_port_fn_migratable_fill(ops, devlink_port, &caps, extack);
+ err = devlink_port_fn_migratable_fill(devlink_port, &caps, extack);
if (err)
return err;
@@ -691,8 +690,7 @@ static int devlink_nl_port_attrs_put(struct sk_buff *msg,
return 0;
}
-static int devlink_port_fn_hw_addr_fill(const struct devlink_ops *ops,
- struct devlink_port *port,
+static int devlink_port_fn_hw_addr_fill(struct devlink_port *port,
struct sk_buff *msg,
struct netlink_ext_ack *extack,
bool *msg_updated)
@@ -701,10 +699,10 @@ static int devlink_port_fn_hw_addr_fill(const struct devlink_ops *ops,
int hw_addr_len;
int err;
- if (!ops->port_function_hw_addr_get)
+ if (!port->ops->port_fn_hw_addr_get)
return 0;
- err = ops->port_function_hw_addr_get(port, hw_addr, &hw_addr_len,
+ err = port->ops->port_fn_hw_addr_get(port, hw_addr, &hw_addr_len,
extack);
if (err) {
if (err == -EOPNOTSUPP)
@@ -789,8 +787,7 @@ devlink_port_fn_opstate_valid(enum devlink_port_fn_opstate opstate)
opstate == DEVLINK_PORT_FN_OPSTATE_ATTACHED;
}
-static int devlink_port_fn_state_fill(const struct devlink_ops *ops,
- struct devlink_port *port,
+static int devlink_port_fn_state_fill(struct devlink_port *port,
struct sk_buff *msg,
struct netlink_ext_ack *extack,
bool *msg_updated)
@@ -799,10 +796,10 @@ static int devlink_port_fn_state_fill(const struct devlink_ops *ops,
enum devlink_port_fn_state state;
int err;
- if (!ops->port_fn_state_get)
+ if (!port->ops->port_fn_state_get)
return 0;
- err = ops->port_fn_state_get(port, &state, &opstate, extack);
+ err = port->ops->port_fn_state_get(port, &state, &opstate, extack);
if (err) {
if (err == -EOPNOTSUPP)
return 0;
@@ -829,18 +826,16 @@ static int
devlink_port_fn_mig_set(struct devlink_port *devlink_port, bool enable,
struct netlink_ext_ack *extack)
{
- const struct devlink_ops *ops = devlink_port->devlink->ops;
-
- return ops->port_fn_migratable_set(devlink_port, enable, extack);
+ return devlink_port->ops->port_fn_migratable_set(devlink_port, enable,
+ extack);
}
static int
devlink_port_fn_roce_set(struct devlink_port *devlink_port, bool enable,
struct netlink_ext_ack *extack)
{
- const struct devlink_ops *ops = devlink_port->devlink->ops;
-
- return ops->port_fn_roce_set(devlink_port, enable, extack);
+ return devlink_port->ops->port_fn_roce_set(devlink_port, enable,
+ extack);
}
static int devlink_port_fn_caps_set(struct devlink_port *devlink_port,
@@ -874,7 +869,6 @@ static int
devlink_nl_port_function_attrs_put(struct sk_buff *msg, struct devlink_port *port,
struct netlink_ext_ack *extack)
{
- const struct devlink_ops *ops;
struct nlattr *function_attr;
bool msg_updated = false;
int err;
@@ -883,16 +877,13 @@ devlink_nl_port_function_attrs_put(struct sk_buff *msg, struct devlink_port *por
if (!function_attr)
return -EMSGSIZE;
- ops = port->devlink->ops;
- err = devlink_port_fn_hw_addr_fill(ops, port, msg, extack,
- &msg_updated);
+ err = devlink_port_fn_hw_addr_fill(port, msg, extack, &msg_updated);
if (err)
goto out;
- err = devlink_port_fn_caps_fill(ops, port, msg, extack,
- &msg_updated);
+ err = devlink_port_fn_caps_fill(port, msg, extack, &msg_updated);
if (err)
goto out;
- err = devlink_port_fn_state_fill(ops, port, msg, extack, &msg_updated);
+ err = devlink_port_fn_state_fill(port, msg, extack, &msg_updated);
out:
if (err || !msg_updated)
nla_nest_cancel(msg, function_attr);
@@ -1137,14 +1128,13 @@ static int devlink_port_type_set(struct devlink_port *devlink_port,
{
int err;
- if (!devlink_port->devlink->ops->port_type_set)
+ if (!devlink_port->ops->port_type_set)
return -EOPNOTSUPP;
if (port_type == devlink_port->type)
return 0;
- err = devlink_port->devlink->ops->port_type_set(devlink_port,
- port_type);
+ err = devlink_port->ops->port_type_set(devlink_port, port_type);
if (err)
return err;
@@ -1157,7 +1147,6 @@ static int devlink_port_function_hw_addr_set(struct devlink_port *port,
const struct nlattr *attr,
struct netlink_ext_ack *extack)
{
- const struct devlink_ops *ops = port->devlink->ops;
const u8 *hw_addr;
int hw_addr_len;
@@ -1178,7 +1167,7 @@ static int devlink_port_function_hw_addr_set(struct devlink_port *port,
}
}
- return ops->port_function_hw_addr_set(port, hw_addr, hw_addr_len,
+ return port->ops->port_fn_hw_addr_set(port, hw_addr, hw_addr_len,
extack);
}
@@ -1187,22 +1176,20 @@ static int devlink_port_fn_state_set(struct devlink_port *port,
struct netlink_ext_ack *extack)
{
enum devlink_port_fn_state state;
- const struct devlink_ops *ops;
state = nla_get_u8(attr);
- ops = port->devlink->ops;
- return ops->port_fn_state_set(port, state, extack);
+ return port->ops->port_fn_state_set(port, state, extack);
}
static int devlink_port_function_validate(struct devlink_port *devlink_port,
struct nlattr **tb,
struct netlink_ext_ack *extack)
{
- const struct devlink_ops *ops = devlink_port->devlink->ops;
+ const struct devlink_port_ops *ops = devlink_port->ops;
struct nlattr *attr;
if (tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR] &&
- !ops->port_function_hw_addr_set) {
+ !ops->port_fn_hw_addr_set) {
NL_SET_ERR_MSG_ATTR(extack, tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR],
"Port doesn't support function attributes");
return -EOPNOTSUPP;
@@ -1320,7 +1307,7 @@ static int devlink_nl_cmd_port_split_doit(struct sk_buff *skb,
if (GENL_REQ_ATTR_CHECK(info, DEVLINK_ATTR_PORT_SPLIT_COUNT))
return -EINVAL;
- if (!devlink->ops->port_split)
+ if (!devlink_port->ops->port_split)
return -EOPNOTSUPP;
count = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT]);
@@ -1339,8 +1326,8 @@ static int devlink_nl_cmd_port_split_doit(struct sk_buff *skb,
return -EINVAL;
}
- return devlink->ops->port_split(devlink, devlink_port, count,
- info->extack);
+ return devlink_port->ops->port_split(devlink, devlink_port, count,
+ info->extack);
}
static int devlink_nl_cmd_port_unsplit_doit(struct sk_buff *skb,
@@ -1349,40 +1336,9 @@ static int devlink_nl_cmd_port_unsplit_doit(struct sk_buff *skb,
struct devlink_port *devlink_port = info->user_ptr[1];
struct devlink *devlink = info->user_ptr[0];
- if (!devlink->ops->port_unsplit)
+ if (!devlink_port->ops->port_unsplit)
return -EOPNOTSUPP;
- return devlink->ops->port_unsplit(devlink, devlink_port, info->extack);
-}
-
-static int devlink_port_new_notify(struct devlink *devlink,
- unsigned int port_index,
- struct genl_info *info)
-{
- struct devlink_port *devlink_port;
- struct sk_buff *msg;
- int err;
-
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- lockdep_assert_held(&devlink->lock);
- devlink_port = devlink_port_get_by_index(devlink, port_index);
- if (!devlink_port) {
- err = -ENODEV;
- goto out;
- }
-
- err = devlink_nl_port_fill(msg, devlink_port, DEVLINK_CMD_NEW,
- info->snd_portid, info->snd_seq, 0, NULL);
- if (err)
- goto out;
-
- return genlmsg_reply(msg, info);
-
-out:
- nlmsg_free(msg);
- return err;
+ return devlink_port->ops->port_unsplit(devlink, devlink_port, info->extack);
}
static int devlink_nl_cmd_port_new_doit(struct sk_buff *skb,
@@ -1391,10 +1347,11 @@ static int devlink_nl_cmd_port_new_doit(struct sk_buff *skb,
struct netlink_ext_ack *extack = info->extack;
struct devlink_port_new_attrs new_attrs = {};
struct devlink *devlink = info->user_ptr[0];
- unsigned int new_port_index;
+ struct devlink_port *devlink_port;
+ struct sk_buff *msg;
int err;
- if (!devlink->ops->port_new || !devlink->ops->port_del)
+ if (!devlink->ops->port_new)
return -EOPNOTSUPP;
if (!info->attrs[DEVLINK_ATTR_PORT_FLAVOUR] ||
@@ -1423,36 +1380,43 @@ static int devlink_nl_cmd_port_new_doit(struct sk_buff *skb,
new_attrs.sfnum_valid = true;
}
- err = devlink->ops->port_new(devlink, &new_attrs, extack,
- &new_port_index);
+ err = devlink->ops->port_new(devlink, &new_attrs,
+ extack, &devlink_port);
if (err)
return err;
- err = devlink_port_new_notify(devlink, new_port_index, info);
- if (err && err != -ENODEV) {
- /* Fail to send the response; destroy newly created port. */
- devlink->ops->port_del(devlink, new_port_index, extack);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg) {
+ err = -ENOMEM;
+ goto err_out_port_del;
}
+ err = devlink_nl_port_fill(msg, devlink_port, DEVLINK_CMD_NEW,
+ info->snd_portid, info->snd_seq, 0, NULL);
+ if (WARN_ON_ONCE(err))
+ goto err_out_msg_free;
+ err = genlmsg_reply(msg, info);
+ if (err)
+ goto err_out_port_del;
+ return 0;
+
+err_out_msg_free:
+ nlmsg_free(msg);
+err_out_port_del:
+ devlink_port->ops->port_del(devlink, devlink_port, NULL);
return err;
}
static int devlink_nl_cmd_port_del_doit(struct sk_buff *skb,
struct genl_info *info)
{
+ struct devlink_port *devlink_port = info->user_ptr[1];
struct netlink_ext_ack *extack = info->extack;
struct devlink *devlink = info->user_ptr[0];
- unsigned int port_index;
- if (!devlink->ops->port_del)
+ if (!devlink_port->ops->port_del)
return -EOPNOTSUPP;
- if (GENL_REQ_ATTR_CHECK(info, DEVLINK_ATTR_PORT_INDEX)) {
- NL_SET_ERR_MSG(extack, "Port index is not specified");
- return -EINVAL;
- }
- port_index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
-
- return devlink->ops->port_del(devlink, port_index, extack);
+ return devlink_port->ops->port_del(devlink, devlink_port, extack);
}
static int
@@ -6384,6 +6348,7 @@ const struct genl_small_ops devlink_nl_ops[56] = {
.cmd = DEVLINK_CMD_PORT_DEL,
.doit = devlink_nl_cmd_port_del_doit,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NEED_PORT,
},
{
.cmd = DEVLINK_CMD_LINECARD_GET,
@@ -6772,7 +6737,10 @@ void devlink_notify_unregister(struct devlink *devlink)
static void devlink_port_type_warn(struct work_struct *work)
{
- WARN(true, "Type was not set for devlink port.");
+ struct devlink_port *port = container_of(to_delayed_work(work),
+ struct devlink_port,
+ type_warn_dw);
+ dev_warn(port->devlink->dev, "Type was not set for devlink port.");
}
static bool devlink_port_type_should_warn(struct devlink_port *devlink_port)
@@ -6809,7 +6777,7 @@ static void devlink_port_type_warn_cancel(struct devlink_port *devlink_port)
* @devlink: devlink
* @devlink_port: devlink port
*
- * Initialize essencial stuff that is needed for functions
+ * Initialize essential stuff that is needed for functions
* that may be called before devlink port registration.
* Call to this function is optional and not needed
* in case the driver does not use such functions.
@@ -6830,7 +6798,7 @@ EXPORT_SYMBOL_GPL(devlink_port_init);
*
* @devlink_port: devlink port
*
- * Deinitialize essencial stuff that is in use for functions
+ * Deinitialize essential stuff that is in use for functions
* that may be called after devlink port unregistration.
* Call to this function is optional and not needed
* in case the driver does not use such functions.
@@ -6841,12 +6809,15 @@ void devlink_port_fini(struct devlink_port *devlink_port)
}
EXPORT_SYMBOL_GPL(devlink_port_fini);
+static const struct devlink_port_ops devlink_port_dummy_ops = {};
+
/**
- * devl_port_register() - Register devlink port
+ * devl_port_register_with_ops() - Register devlink port
*
* @devlink: devlink
* @devlink_port: devlink port
* @port_index: driver-specific numerical identifier of the port
+ * @ops: port ops
*
* Register devlink port with provided port index. User can use
* any indexing, even hw-related one. devlink_port structure
@@ -6854,9 +6825,10 @@ EXPORT_SYMBOL_GPL(devlink_port_fini);
* Note that the caller should take care of zeroing the devlink_port
* structure.
*/
-int devl_port_register(struct devlink *devlink,
- struct devlink_port *devlink_port,
- unsigned int port_index)
+int devl_port_register_with_ops(struct devlink *devlink,
+ struct devlink_port *devlink_port,
+ unsigned int port_index,
+ const struct devlink_port_ops *ops)
{
int err;
@@ -6867,6 +6839,7 @@ int devl_port_register(struct devlink *devlink,
devlink_port_init(devlink, devlink_port);
devlink_port->registered = true;
devlink_port->index = port_index;
+ devlink_port->ops = ops ? ops : &devlink_port_dummy_ops;
spin_lock_init(&devlink_port->type_lock);
INIT_LIST_HEAD(&devlink_port->reporter_list);
err = xa_insert(&devlink->ports, port_index, devlink_port, GFP_KERNEL);
@@ -6878,14 +6851,15 @@ int devl_port_register(struct devlink *devlink,
devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW);
return 0;
}
-EXPORT_SYMBOL_GPL(devl_port_register);
+EXPORT_SYMBOL_GPL(devl_port_register_with_ops);
/**
- * devlink_port_register - Register devlink port
+ * devlink_port_register_with_ops - Register devlink port
*
* @devlink: devlink
* @devlink_port: devlink port
* @port_index: driver-specific numerical identifier of the port
+ * @ops: port ops
*
* Register devlink port with provided port index. User can use
* any indexing, even hw-related one. devlink_port structure
@@ -6895,18 +6869,20 @@ EXPORT_SYMBOL_GPL(devl_port_register);
*
* Context: Takes and release devlink->lock <mutex>.
*/
-int devlink_port_register(struct devlink *devlink,
- struct devlink_port *devlink_port,
- unsigned int port_index)
+int devlink_port_register_with_ops(struct devlink *devlink,
+ struct devlink_port *devlink_port,
+ unsigned int port_index,
+ const struct devlink_port_ops *ops)
{
int err;
devl_lock(devlink);
- err = devl_port_register(devlink, devlink_port, port_index);
+ err = devl_port_register_with_ops(devlink, devlink_port,
+ port_index, ops);
devl_unlock(devlink);
return err;
}
-EXPORT_SYMBOL_GPL(devlink_port_register);
+EXPORT_SYMBOL_GPL(devlink_port_register_with_ops);
/**
* devl_port_unregister() - Unregister devlink port
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-21 20:20:40 +0100