static const struct nla_policy devlink_function_nl_policy[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = {
[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR] = { .type = NLA_BINARY },
+ [DEVLINK_PORT_FN_ATTR_STATE] =
+ NLA_POLICY_RANGE(NLA_U8, DEVLINK_PORT_FN_STATE_INACTIVE,
+ DEVLINK_PORT_FN_STATE_ACTIVE),
};
static LIST_HEAD(devlink_list);
if (nla_put_u8(msg, DEVLINK_ATTR_PORT_EXTERNAL, attrs->pci_vf.external))
return -EMSGSIZE;
break;
+ case DEVLINK_PORT_FLAVOUR_PCI_SF:
+ if (nla_put_u32(msg, DEVLINK_ATTR_PORT_CONTROLLER_NUMBER,
+ attrs->pci_sf.controller) ||
+ nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER,
+ attrs->pci_sf.pf) ||
+ nla_put_u32(msg, DEVLINK_ATTR_PORT_PCI_SF_NUMBER,
+ attrs->pci_sf.sf))
+ return -EMSGSIZE;
+ break;
case DEVLINK_PORT_FLAVOUR_PHYSICAL:
case DEVLINK_PORT_FLAVOUR_CPU:
case DEVLINK_PORT_FLAVOUR_DSA:
return 0;
}
+static int
+devlink_port_fn_hw_addr_fill(struct devlink *devlink, const struct devlink_ops *ops,
+ struct devlink_port *port, struct sk_buff *msg,
+ struct netlink_ext_ack *extack, bool *msg_updated)
+{
+ u8 hw_addr[MAX_ADDR_LEN];
+ int hw_addr_len;
+ int err;
+
+ if (!ops->port_function_hw_addr_get)
+ return 0;
+
+ err = ops->port_function_hw_addr_get(devlink, port, hw_addr, &hw_addr_len, extack);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ return 0;
+ return err;
+ }
+ err = nla_put(msg, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, hw_addr_len, hw_addr);
+ if (err)
+ return err;
+ *msg_updated = true;
+ return 0;
+}
+
+static bool
+devlink_port_fn_state_valid(enum devlink_port_fn_state state)
+{
+ return state == DEVLINK_PORT_FN_STATE_INACTIVE ||
+ state == DEVLINK_PORT_FN_STATE_ACTIVE;
+}
+
+static bool
+devlink_port_fn_opstate_valid(enum devlink_port_fn_opstate opstate)
+{
+ return opstate == DEVLINK_PORT_FN_OPSTATE_DETACHED ||
+ opstate == DEVLINK_PORT_FN_OPSTATE_ATTACHED;
+}
+
+static int
+devlink_port_fn_state_fill(struct devlink *devlink,
+ const struct devlink_ops *ops,
+ struct devlink_port *port, struct sk_buff *msg,
+ struct netlink_ext_ack *extack,
+ bool *msg_updated)
+{
+ enum devlink_port_fn_opstate opstate;
+ enum devlink_port_fn_state state;
+ int err;
+
+ if (!ops->port_fn_state_get)
+ return 0;
+
+ err = ops->port_fn_state_get(devlink, port, &state, &opstate, extack);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ return 0;
+ return err;
+ }
+ if (!devlink_port_fn_state_valid(state)) {
+ WARN_ON_ONCE(1);
+ NL_SET_ERR_MSG_MOD(extack, "Invalid state read from driver");
+ return -EINVAL;
+ }
+ if (!devlink_port_fn_opstate_valid(opstate)) {
+ WARN_ON_ONCE(1);
+ NL_SET_ERR_MSG_MOD(extack,
+ "Invalid operational state read from driver");
+ return -EINVAL;
+ }
+ if (nla_put_u8(msg, DEVLINK_PORT_FN_ATTR_STATE, state) ||
+ nla_put_u8(msg, DEVLINK_PORT_FN_ATTR_OPSTATE, opstate))
+ return -EMSGSIZE;
+ *msg_updated = true;
+ return 0;
+}
+
static int
devlink_nl_port_function_attrs_put(struct sk_buff *msg, struct devlink_port *port,
struct netlink_ext_ack *extack)
struct devlink *devlink = port->devlink;
const struct devlink_ops *ops;
struct nlattr *function_attr;
- bool empty_nest = true;
- int err = 0;
+ bool msg_updated = false;
+ int err;
function_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_PORT_FUNCTION);
if (!function_attr)
return -EMSGSIZE;
ops = devlink->ops;
- if (ops->port_function_hw_addr_get) {
- int hw_addr_len;
- u8 hw_addr[MAX_ADDR_LEN];
-
- err = ops->port_function_hw_addr_get(devlink, port, hw_addr, &hw_addr_len, extack);
- if (err == -EOPNOTSUPP) {
- /* Port function attributes are optional for a port. If port doesn't
- * support function attribute, returning -EOPNOTSUPP is not an error.
- */
- err = 0;
- goto out;
- } else if (err) {
- goto out;
- }
- err = nla_put(msg, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, hw_addr_len, hw_addr);
- if (err)
- goto out;
- empty_nest = false;
- }
-
+ err = devlink_port_fn_hw_addr_fill(devlink, ops, port, msg,
+ extack, &msg_updated);
+ if (err)
+ goto out;
+ err = devlink_port_fn_state_fill(devlink, ops, port, msg, extack,
+ &msg_updated);
out:
- if (err || empty_nest)
+ if (err || !msg_updated)
nla_nest_cancel(msg, function_attr);
else
nla_nest_end(msg, function_attr);
const struct devlink_ops *ops;
const u8 *hw_addr;
int hw_addr_len;
- int err;
hw_addr = nla_data(attr);
hw_addr_len = nla_len(attr);
return -EOPNOTSUPP;
}
- err = ops->port_function_hw_addr_set(devlink, port, hw_addr, hw_addr_len, extack);
- if (err)
- return err;
+ return ops->port_function_hw_addr_set(devlink, port, hw_addr, hw_addr_len, extack);
+}
- devlink_port_notify(port, DEVLINK_CMD_PORT_NEW);
- return 0;
+static int devlink_port_fn_state_set(struct devlink *devlink,
+ struct devlink_port *port,
+ const struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ enum devlink_port_fn_state state;
+ const struct devlink_ops *ops;
+
+ state = nla_get_u8(attr);
+ ops = devlink->ops;
+ if (!ops->port_fn_state_set) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Function does not support state setting");
+ return -EOPNOTSUPP;
+ }
+ return ops->port_fn_state_set(devlink, port, state, extack);
}
static int
}
attr = tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR];
- if (attr)
+ if (attr) {
err = devlink_port_function_hw_addr_set(devlink, port, attr, extack);
+ if (err)
+ return err;
+ }
+ /* Keep this as the last function attribute set, so that when
+ * multiple port function attributes are set along with state,
+ * Those can be applied first before activating the state.
+ */
+ attr = tb[DEVLINK_PORT_FN_ATTR_STATE];
+ if (attr)
+ err = devlink_port_fn_state_set(devlink, port, attr, extack);
+ if (!err)
+ devlink_port_notify(port, DEVLINK_CMD_PORT_NEW);
return err;
}
return devlink_port_unsplit(devlink, port_index, info->extack);
}
+static int devlink_port_new_notifiy(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;
+
+ mutex_lock(&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, devlink_port,
+ DEVLINK_CMD_NEW, info->snd_portid,
+ info->snd_seq, 0, NULL);
+ if (err)
+ goto out;
+
+ err = genlmsg_reply(msg, info);
+ mutex_unlock(&devlink->lock);
+ return err;
+
+out:
+ mutex_unlock(&devlink->lock);
+ nlmsg_free(msg);
+ return err;
+}
+
+static int devlink_nl_cmd_port_new_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ 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;
+ int err;
+
+ if (!devlink->ops->port_new || !devlink->ops->port_del)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[DEVLINK_ATTR_PORT_FLAVOUR] ||
+ !info->attrs[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) {
+ NL_SET_ERR_MSG_MOD(extack, "Port flavour or PCI PF are not specified");
+ return -EINVAL;
+ }
+ new_attrs.flavour = nla_get_u16(info->attrs[DEVLINK_ATTR_PORT_FLAVOUR]);
+ new_attrs.pfnum =
+ nla_get_u16(info->attrs[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]);
+
+ if (info->attrs[DEVLINK_ATTR_PORT_INDEX]) {
+ /* Port index of the new port being created by driver. */
+ new_attrs.port_index =
+ nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
+ new_attrs.port_index_valid = true;
+ }
+ if (info->attrs[DEVLINK_ATTR_PORT_CONTROLLER_NUMBER]) {
+ new_attrs.controller =
+ nla_get_u16(info->attrs[DEVLINK_ATTR_PORT_CONTROLLER_NUMBER]);
+ new_attrs.controller_valid = true;
+ }
+ if (new_attrs.flavour == DEVLINK_PORT_FLAVOUR_PCI_SF &&
+ info->attrs[DEVLINK_ATTR_PORT_PCI_SF_NUMBER]) {
+ new_attrs.sfnum = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_PCI_SF_NUMBER]);
+ new_attrs.sfnum_valid = true;
+ }
+
+ err = devlink->ops->port_new(devlink, &new_attrs, extack,
+ &new_port_index);
+ if (err)
+ return err;
+
+ err = devlink_port_new_notifiy(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);
+ }
+ return err;
+}
+
+static int devlink_nl_cmd_port_del_doit(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct netlink_ext_ack *extack = info->extack;
+ struct devlink *devlink = info->user_ptr[0];
+ unsigned int port_index;
+
+ if (!devlink->ops->port_del)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[DEVLINK_ATTR_PORT_INDEX]) {
+ NL_SET_ERR_MSG_MOD(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);
+}
+
static int devlink_nl_sb_fill(struct sk_buff *msg, struct devlink *devlink,
struct devlink_sb *devlink_sb,
enum devlink_command cmd, u32 portid,
[DEVLINK_ATTR_RELOAD_ACTION] = NLA_POLICY_RANGE(NLA_U8, DEVLINK_RELOAD_ACTION_DRIVER_REINIT,
DEVLINK_RELOAD_ACTION_MAX),
[DEVLINK_ATTR_RELOAD_LIMITS] = NLA_POLICY_BITFIELD32(DEVLINK_RELOAD_LIMITS_VALID_MASK),
+ [DEVLINK_ATTR_PORT_FLAVOUR] = { .type = NLA_U16 },
+ [DEVLINK_ATTR_PORT_PCI_PF_NUMBER] = { .type = NLA_U16 },
+ [DEVLINK_ATTR_PORT_PCI_SF_NUMBER] = { .type = NLA_U32 },
+ [DEVLINK_ATTR_PORT_CONTROLLER_NUMBER] = { .type = NLA_U32 },
};
static const struct genl_small_ops devlink_nl_ops[] = {
.flags = GENL_ADMIN_PERM,
.internal_flags = DEVLINK_NL_FLAG_NO_LOCK,
},
+ {
+ .cmd = DEVLINK_CMD_PORT_NEW,
+ .doit = devlink_nl_cmd_port_new_doit,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NO_LOCK,
+ },
+ {
+ .cmd = DEVLINK_CMD_PORT_DEL,
+ .doit = devlink_nl_cmd_port_del_doit,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = DEVLINK_NL_FLAG_NO_LOCK,
+ },
{
.cmd = DEVLINK_CMD_SB_GET,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
}
EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_vf_set);
+/**
+ * devlink_port_attrs_pci_sf_set - Set PCI SF port attributes
+ *
+ * @devlink_port: devlink port
+ * @controller: associated controller number for the devlink port instance
+ * @pf: associated PF for the devlink port instance
+ * @sf: associated SF of a PF for the devlink port instance
+ */
+void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, u32 controller,
+ u16 pf, u32 sf)
+{
+ struct devlink_port_attrs *attrs = &devlink_port->attrs;
+ int ret;
+
+ if (WARN_ON(devlink_port->registered))
+ return;
+ ret = __devlink_port_attrs_set(devlink_port,
+ DEVLINK_PORT_FLAVOUR_PCI_SF);
+ if (ret)
+ return;
+ attrs->pci_sf.controller = controller;
+ attrs->pci_sf.pf = pf;
+ attrs->pci_sf.sf = sf;
+}
+EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_sf_set);
+
static int __devlink_port_phys_port_name_get(struct devlink_port *devlink_port,
char *name, size_t len)
{
n = snprintf(name, len, "pf%uvf%u",
attrs->pci_vf.pf, attrs->pci_vf.vf);
break;
+ case DEVLINK_PORT_FLAVOUR_PCI_SF:
+ n = snprintf(name, len, "pf%usf%u", attrs->pci_sf.pf,
+ attrs->pci_sf.sf);
+ break;
}
if (n >= len)
* @resource_id: resource's id
* @parent_resource_id: resource's parent id
* @size_params: size parameters
+ *
+ * Generic resources should reuse the same names across drivers.
+ * Please see the generic resources list at:
+ * Documentation/networking/devlink/devlink-resource.rst
*/
int devlink_resource_register(struct devlink *devlink,
const char *resource_name,
DEVLINK_TRAP(GTP_PARSING, DROP),
DEVLINK_TRAP(ESP_PARSING, DROP),
DEVLINK_TRAP(BLACKHOLE_NEXTHOP, DROP),
+ DEVLINK_TRAP(DMAC_FILTER, DROP),
};
#define DEVLINK_TRAP_GROUP(_id) \
projects / linux-2.6-microblaze.git / blobdiff