diff options
author | Jiri Pirko <jiri@nvidia.com> | 2023-08-28 09:16:44 +0300 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2023-08-28 18:02:22 +0300 |
commit | eec1e5ea1d715ce2df8dcdf3dac7112df77a6e17 (patch) | |
tree | efdc327fed02d24732f8487d44f21396cf5a3115 /net/devlink/leftover.c | |
parent | 56e65312830ec45e3ccbc929de6f5b86bc301546 (diff) | |
download | linux-eec1e5ea1d715ce2df8dcdf3dac7112df77a6e17.tar.xz |
devlink: push port related code into separate file
Cut out another chunk from leftover.c and put port related code
into a separate file.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230828061657.300667-3-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/devlink/leftover.c')
-rw-r--r-- | net/devlink/leftover.c | 1528 |
1 files changed, 0 insertions, 1528 deletions
diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c index 890eafac9f8f..d14b40fb8fdf 100644 --- a/net/devlink/leftover.c +++ b/net/devlink/leftover.c @@ -33,20 +33,6 @@ #include "devl_internal.h" -struct devlink_linecard { - struct list_head list; - struct devlink *devlink; - unsigned int index; - const struct devlink_linecard_ops *ops; - void *priv; - enum devlink_linecard_state state; - struct mutex state_lock; /* Protects state */ - const char *type; - struct devlink_linecard_type *types; - unsigned int types_count; - struct devlink *nested_devlink; -}; - /** * struct devlink_resource - devlink resource * @name: name of the resource @@ -131,52 +117,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg); EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwerr); EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_trap_report); -#define DEVLINK_PORT_FN_CAPS_VALID_MASK \ - (_BITUL(__DEVLINK_PORT_FN_ATTR_CAPS_MAX) - 1) - -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), - [DEVLINK_PORT_FN_ATTR_CAPS] = - NLA_POLICY_BITFIELD32(DEVLINK_PORT_FN_CAPS_VALID_MASK), -}; - -#define ASSERT_DEVLINK_PORT_REGISTERED(devlink_port) \ - WARN_ON_ONCE(!(devlink_port)->registered) -#define ASSERT_DEVLINK_PORT_NOT_REGISTERED(devlink_port) \ - WARN_ON_ONCE((devlink_port)->registered) -#define ASSERT_DEVLINK_PORT_INITIALIZED(devlink_port) \ - WARN_ON_ONCE(!(devlink_port)->initialized) - -static struct devlink_port *devlink_port_get_by_index(struct devlink *devlink, - unsigned int port_index) -{ - return xa_load(&devlink->ports, port_index); -} - -struct devlink_port *devlink_port_get_from_attrs(struct devlink *devlink, - struct nlattr **attrs) -{ - if (attrs[DEVLINK_ATTR_PORT_INDEX]) { - u32 port_index = nla_get_u32(attrs[DEVLINK_ATTR_PORT_INDEX]); - struct devlink_port *devlink_port; - - devlink_port = devlink_port_get_by_index(devlink, port_index); - if (!devlink_port) - return ERR_PTR(-ENODEV); - return devlink_port; - } - return ERR_PTR(-EINVAL); -} - -struct devlink_port *devlink_port_get_from_info(struct devlink *devlink, - struct genl_info *info) -{ - return devlink_port_get_from_attrs(devlink, info->attrs); -} - static inline bool devlink_rate_is_leaf(struct devlink_rate *devlink_rate) { @@ -439,138 +379,6 @@ devlink_sb_tc_index_get_from_attrs(struct devlink_sb *devlink_sb, return 0; } -static void devlink_port_fn_cap_fill(struct nla_bitfield32 *caps, - u32 cap, bool is_enable) -{ - caps->selector |= cap; - if (is_enable) - caps->value |= cap; -} - -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 (!devlink_port->ops->port_fn_roce_get) - return 0; - - err = devlink_port->ops->port_fn_roce_get(devlink_port, &is_enable, - extack); - if (err) { - if (err == -EOPNOTSUPP) - return 0; - return err; - } - - devlink_port_fn_cap_fill(caps, DEVLINK_PORT_FN_CAP_ROCE, is_enable); - return 0; -} - -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 (!devlink_port->ops->port_fn_migratable_get || - devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PCI_VF) - return 0; - - err = devlink_port->ops->port_fn_migratable_get(devlink_port, - &is_enable, extack); - if (err) { - if (err == -EOPNOTSUPP) - return 0; - return err; - } - - devlink_port_fn_cap_fill(caps, DEVLINK_PORT_FN_CAP_MIGRATABLE, is_enable); - return 0; -} - -static int devlink_port_fn_ipsec_crypto_fill(struct devlink_port *devlink_port, - struct nla_bitfield32 *caps, - struct netlink_ext_ack *extack) -{ - bool is_enable; - int err; - - if (!devlink_port->ops->port_fn_ipsec_crypto_get || - devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PCI_VF) - return 0; - - err = devlink_port->ops->port_fn_ipsec_crypto_get(devlink_port, &is_enable, extack); - if (err) { - if (err == -EOPNOTSUPP) - return 0; - return err; - } - - devlink_port_fn_cap_fill(caps, DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO, is_enable); - return 0; -} - -static int devlink_port_fn_ipsec_packet_fill(struct devlink_port *devlink_port, - struct nla_bitfield32 *caps, - struct netlink_ext_ack *extack) -{ - bool is_enable; - int err; - - if (!devlink_port->ops->port_fn_ipsec_packet_get || - devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PCI_VF) - return 0; - - err = devlink_port->ops->port_fn_ipsec_packet_get(devlink_port, &is_enable, extack); - if (err) { - if (err == -EOPNOTSUPP) - return 0; - return err; - } - - devlink_port_fn_cap_fill(caps, DEVLINK_PORT_FN_CAP_IPSEC_PACKET, is_enable); - return 0; -} - -static int devlink_port_fn_caps_fill(struct devlink_port *devlink_port, - struct sk_buff *msg, - struct netlink_ext_ack *extack, - bool *msg_updated) -{ - struct nla_bitfield32 caps = {}; - int err; - - err = devlink_port_fn_roce_fill(devlink_port, &caps, extack); - if (err) - return err; - - err = devlink_port_fn_migratable_fill(devlink_port, &caps, extack); - if (err) - return err; - - err = devlink_port_fn_ipsec_crypto_fill(devlink_port, &caps, extack); - if (err) - return err; - - err = devlink_port_fn_ipsec_packet_fill(devlink_port, &caps, extack); - if (err) - return err; - - if (!caps.selector) - return 0; - err = nla_put_bitfield32(msg, DEVLINK_PORT_FN_ATTR_CAPS, caps.value, - caps.selector); - if (err) - return err; - - *msg_updated = true; - return 0; -} - static int devlink_sb_tc_index_get_from_info(struct devlink_sb *devlink_sb, struct genl_info *info, @@ -661,113 +469,6 @@ nla_put_failure: return -EMSGSIZE; } -int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) -{ - if (devlink_nl_put_handle(msg, devlink_port->devlink)) - return -EMSGSIZE; - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index)) - return -EMSGSIZE; - return 0; -} - -size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) -{ - struct devlink *devlink = devlink_port->devlink; - - return nla_total_size(strlen(devlink->dev->bus->name) + 1) /* DEVLINK_ATTR_BUS_NAME */ - + nla_total_size(strlen(dev_name(devlink->dev)) + 1) /* DEVLINK_ATTR_DEV_NAME */ - + nla_total_size(4); /* DEVLINK_ATTR_PORT_INDEX */ -} - -static int devlink_nl_port_attrs_put(struct sk_buff *msg, - struct devlink_port *devlink_port) -{ - struct devlink_port_attrs *attrs = &devlink_port->attrs; - - if (!devlink_port->attrs_set) - return 0; - if (attrs->lanes) { - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_LANES, attrs->lanes)) - return -EMSGSIZE; - } - if (nla_put_u8(msg, DEVLINK_ATTR_PORT_SPLITTABLE, attrs->splittable)) - return -EMSGSIZE; - if (nla_put_u16(msg, DEVLINK_ATTR_PORT_FLAVOUR, attrs->flavour)) - return -EMSGSIZE; - switch (devlink_port->attrs.flavour) { - case DEVLINK_PORT_FLAVOUR_PCI_PF: - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_CONTROLLER_NUMBER, - attrs->pci_pf.controller) || - nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER, attrs->pci_pf.pf)) - return -EMSGSIZE; - if (nla_put_u8(msg, DEVLINK_ATTR_PORT_EXTERNAL, attrs->pci_pf.external)) - return -EMSGSIZE; - break; - case DEVLINK_PORT_FLAVOUR_PCI_VF: - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_CONTROLLER_NUMBER, - attrs->pci_vf.controller) || - nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER, attrs->pci_vf.pf) || - nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_VF_NUMBER, attrs->pci_vf.vf)) - return -EMSGSIZE; - 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: - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_NUMBER, - attrs->phys.port_number)) - return -EMSGSIZE; - if (!attrs->split) - return 0; - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_GROUP, - attrs->phys.port_number)) - return -EMSGSIZE; - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_SPLIT_SUBPORT_NUMBER, - attrs->phys.split_subport_number)) - return -EMSGSIZE; - break; - default: - break; - } - return 0; -} - -static int devlink_port_fn_hw_addr_fill(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 (!port->ops->port_fn_hw_addr_get) - return 0; - - err = port->ops->port_fn_hw_addr_get(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 int devlink_nl_rate_fill(struct sk_buff *msg, struct devlink_rate *devlink_rate, enum devlink_command cmd, u32 portid, u32 seq, @@ -825,259 +526,6 @@ nla_put_failure: return -EMSGSIZE; } -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_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 (!port->ops->port_fn_state_get) - return 0; - - err = port->ops->port_fn_state_get(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(extack, "Invalid state read from driver"); - return -EINVAL; - } - if (!devlink_port_fn_opstate_valid(opstate)) { - WARN_ON_ONCE(1); - NL_SET_ERR_MSG(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_port_fn_mig_set(struct devlink_port *devlink_port, bool enable, - struct netlink_ext_ack *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) -{ - return devlink_port->ops->port_fn_roce_set(devlink_port, enable, - extack); -} - -static int -devlink_port_fn_ipsec_crypto_set(struct devlink_port *devlink_port, bool enable, - struct netlink_ext_ack *extack) -{ - return devlink_port->ops->port_fn_ipsec_crypto_set(devlink_port, enable, extack); -} - -static int -devlink_port_fn_ipsec_packet_set(struct devlink_port *devlink_port, bool enable, - struct netlink_ext_ack *extack) -{ - return devlink_port->ops->port_fn_ipsec_packet_set(devlink_port, enable, extack); -} - -static int devlink_port_fn_caps_set(struct devlink_port *devlink_port, - const struct nlattr *attr, - struct netlink_ext_ack *extack) -{ - struct nla_bitfield32 caps; - u32 caps_value; - int err; - - caps = nla_get_bitfield32(attr); - caps_value = caps.value & caps.selector; - if (caps.selector & DEVLINK_PORT_FN_CAP_ROCE) { - err = devlink_port_fn_roce_set(devlink_port, - caps_value & DEVLINK_PORT_FN_CAP_ROCE, - extack); - if (err) - return err; - } - if (caps.selector & DEVLINK_PORT_FN_CAP_MIGRATABLE) { - err = devlink_port_fn_mig_set(devlink_port, caps_value & - DEVLINK_PORT_FN_CAP_MIGRATABLE, - extack); - if (err) - return err; - } - if (caps.selector & DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO) { - err = devlink_port_fn_ipsec_crypto_set(devlink_port, caps_value & - DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO, - extack); - if (err) - return err; - } - if (caps.selector & DEVLINK_PORT_FN_CAP_IPSEC_PACKET) { - err = devlink_port_fn_ipsec_packet_set(devlink_port, caps_value & - DEVLINK_PORT_FN_CAP_IPSEC_PACKET, - extack); - if (err) - return err; - } - return 0; -} - -static int -devlink_nl_port_function_attrs_put(struct sk_buff *msg, struct devlink_port *port, - struct netlink_ext_ack *extack) -{ - struct nlattr *function_attr; - bool msg_updated = false; - int err; - - function_attr = nla_nest_start_noflag(msg, DEVLINK_ATTR_PORT_FUNCTION); - if (!function_attr) - return -EMSGSIZE; - - err = devlink_port_fn_hw_addr_fill(port, msg, extack, &msg_updated); - if (err) - goto out; - err = devlink_port_fn_caps_fill(port, msg, extack, &msg_updated); - if (err) - goto out; - err = devlink_port_fn_state_fill(port, msg, extack, &msg_updated); -out: - if (err || !msg_updated) - nla_nest_cancel(msg, function_attr); - else - nla_nest_end(msg, function_attr); - return err; -} - -static int devlink_nl_port_fill(struct sk_buff *msg, - struct devlink_port *devlink_port, - enum devlink_command cmd, u32 portid, u32 seq, - int flags, struct netlink_ext_ack *extack) -{ - struct devlink *devlink = devlink_port->devlink; - void *hdr; - - hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); - if (!hdr) - return -EMSGSIZE; - - if (devlink_nl_put_handle(msg, devlink)) - goto nla_put_failure; - if (nla_put_u32(msg, DEVLINK_ATTR_PORT_INDEX, devlink_port->index)) - goto nla_put_failure; - - spin_lock_bh(&devlink_port->type_lock); - if (nla_put_u16(msg, DEVLINK_ATTR_PORT_TYPE, devlink_port->type)) - goto nla_put_failure_type_locked; - if (devlink_port->desired_type != DEVLINK_PORT_TYPE_NOTSET && - nla_put_u16(msg, DEVLINK_ATTR_PORT_DESIRED_TYPE, - devlink_port->desired_type)) - goto nla_put_failure_type_locked; - if (devlink_port->type == DEVLINK_PORT_TYPE_ETH) { - if (devlink_port->type_eth.netdev && - (nla_put_u32(msg, DEVLINK_ATTR_PORT_NETDEV_IFINDEX, - devlink_port->type_eth.ifindex) || - nla_put_string(msg, DEVLINK_ATTR_PORT_NETDEV_NAME, - devlink_port->type_eth.ifname))) - goto nla_put_failure_type_locked; - } - if (devlink_port->type == DEVLINK_PORT_TYPE_IB) { - struct ib_device *ibdev = devlink_port->type_ib.ibdev; - - if (ibdev && - nla_put_string(msg, DEVLINK_ATTR_PORT_IBDEV_NAME, - ibdev->name)) - goto nla_put_failure_type_locked; - } - spin_unlock_bh(&devlink_port->type_lock); - if (devlink_nl_port_attrs_put(msg, devlink_port)) - goto nla_put_failure; - if (devlink_nl_port_function_attrs_put(msg, devlink_port, extack)) - goto nla_put_failure; - if (devlink_port->linecard && - nla_put_u32(msg, DEVLINK_ATTR_LINECARD_INDEX, - devlink_port->linecard->index)) - goto nla_put_failure; - - genlmsg_end(msg, hdr); - return 0; - -nla_put_failure_type_locked: - spin_unlock_bh(&devlink_port->type_lock); -nla_put_failure: - genlmsg_cancel(msg, hdr); - return -EMSGSIZE; -} - -static void devlink_port_notify(struct devlink_port *devlink_port, - enum devlink_command cmd) -{ - struct devlink *devlink = devlink_port->devlink; - struct sk_buff *msg; - int err; - - WARN_ON(cmd != DEVLINK_CMD_PORT_NEW && cmd != DEVLINK_CMD_PORT_DEL); - - if (!xa_get_mark(&devlinks, devlink->index, DEVLINK_REGISTERED)) - return; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return; - - err = devlink_nl_port_fill(msg, devlink_port, cmd, 0, 0, 0, NULL); - if (err) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg, - 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL); -} - -static void devlink_ports_notify(struct devlink *devlink, - enum devlink_command cmd) -{ - struct devlink_port *devlink_port; - unsigned long port_index; - - xa_for_each(&devlink->ports, port_index, devlink_port) - devlink_port_notify(devlink_port, cmd); -} - -static void devlink_ports_notify_register(struct devlink *devlink) -{ - devlink_ports_notify(devlink, DEVLINK_CMD_PORT_NEW); -} - -static void devlink_ports_notify_unregister(struct devlink *devlink) -{ - devlink_ports_notify(devlink, DEVLINK_CMD_PORT_DEL); -} - static void devlink_rate_notify(struct devlink_rate *devlink_rate, enum devlink_command cmd) { @@ -1192,377 +640,6 @@ devlink_rate_is_parent_node(struct devlink_rate *devlink_rate, return false; } -int devlink_nl_port_get_doit(struct sk_buff *skb, struct genl_info *info) -{ - struct devlink_port *devlink_port = info->user_ptr[1]; - struct sk_buff *msg; - int err; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (!msg) - return -ENOMEM; - - err = devlink_nl_port_fill(msg, devlink_port, DEVLINK_CMD_PORT_NEW, - info->snd_portid, info->snd_seq, 0, - info->extack); - if (err) { - nlmsg_free(msg); - return err; - } - - return genlmsg_reply(msg, info); -} - -static int -devlink_nl_port_get_dump_one(struct sk_buff *msg, struct devlink *devlink, - struct netlink_callback *cb, int flags) -{ - struct devlink_nl_dump_state *state = devlink_dump_state(cb); - struct devlink_port *devlink_port; - unsigned long port_index; - int err = 0; - - xa_for_each_start(&devlink->ports, port_index, devlink_port, state->idx) { - err = devlink_nl_port_fill(msg, devlink_port, - DEVLINK_CMD_NEW, - NETLINK_CB(cb->skb).portid, - cb->nlh->nlmsg_seq, flags, - cb->extack); - if (err) { - state->idx = port_index; - break; - } - } - - return err; -} - -int devlink_nl_port_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb) -{ - return devlink_nl_dumpit(skb, cb, devlink_nl_port_get_dump_one); -} - -static int devlink_port_type_set(struct devlink_port *devlink_port, - enum devlink_port_type port_type) - -{ - int err; - - if (!devlink_port->ops->port_type_set) - return -EOPNOTSUPP; - - if (port_type == devlink_port->type) - return 0; - - err = devlink_port->ops->port_type_set(devlink_port, port_type); - if (err) - return err; - - devlink_port->desired_type = port_type; - devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW); - return 0; -} - -static int devlink_port_function_hw_addr_set(struct devlink_port *port, - const struct nlattr *attr, - struct netlink_ext_ack *extack) -{ - const u8 *hw_addr; - int hw_addr_len; - - hw_addr = nla_data(attr); - hw_addr_len = nla_len(attr); - if (hw_addr_len > MAX_ADDR_LEN) { - NL_SET_ERR_MSG(extack, "Port function hardware address too long"); - return -EINVAL; - } - if (port->type == DEVLINK_PORT_TYPE_ETH) { - if (hw_addr_len != ETH_ALEN) { - NL_SET_ERR_MSG(extack, "Address must be 6 bytes for Ethernet device"); - return -EINVAL; - } - if (!is_unicast_ether_addr(hw_addr)) { - NL_SET_ERR_MSG(extack, "Non-unicast hardware address unsupported"); - return -EINVAL; - } - } - - return port->ops->port_fn_hw_addr_set(port, hw_addr, hw_addr_len, - extack); -} - -static int devlink_port_fn_state_set(struct devlink_port *port, - const struct nlattr *attr, - struct netlink_ext_ack *extack) -{ - enum devlink_port_fn_state state; - - state = nla_get_u8(attr); - 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_port_ops *ops = devlink_port->ops; - struct nlattr *attr; - - if (tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR] && - !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; - } - if (tb[DEVLINK_PORT_FN_ATTR_STATE] && !ops->port_fn_state_set) { - NL_SET_ERR_MSG_ATTR(extack, tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR], - "Function does not support state setting"); - return -EOPNOTSUPP; - } - attr = tb[DEVLINK_PORT_FN_ATTR_CAPS]; - if (attr) { - struct nla_bitfield32 caps; - - caps = nla_get_bitfield32(attr); - if (caps.selector & DEVLINK_PORT_FN_CAP_ROCE && - !ops->port_fn_roce_set) { - NL_SET_ERR_MSG_ATTR(extack, attr, - "Port doesn't support RoCE function attribute"); - return -EOPNOTSUPP; - } - if (caps.selector & DEVLINK_PORT_FN_CAP_MIGRATABLE) { - if (!ops->port_fn_migratable_set) { - NL_SET_ERR_MSG_ATTR(extack, attr, - "Port doesn't support migratable function attribute"); - return -EOPNOTSUPP; - } - if (devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PCI_VF) { - NL_SET_ERR_MSG_ATTR(extack, attr, - "migratable function attribute supported for VFs only"); - return -EOPNOTSUPP; - } - } - if (caps.selector & DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO) { - if (!ops->port_fn_ipsec_crypto_set) { - NL_SET_ERR_MSG_ATTR(extack, attr, - "Port doesn't support ipsec_crypto function attribute"); - return -EOPNOTSUPP; - } - if (devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PCI_VF) { - NL_SET_ERR_MSG_ATTR(extack, attr, - "ipsec_crypto function attribute supported for VFs only"); - return -EOPNOTSUPP; - } - } - if (caps.selector & DEVLINK_PORT_FN_CAP_IPSEC_PACKET) { - if (!ops->port_fn_ipsec_packet_set) { - NL_SET_ERR_MSG_ATTR(extack, attr, - "Port doesn't support ipsec_packet function attribute"); - return -EOPNOTSUPP; - } - if (devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PCI_VF) { - NL_SET_ERR_MSG_ATTR(extack, attr, - "ipsec_packet function attribute supported for VFs only"); - return -EOPNOTSUPP; - } - } - } - return 0; -} - -static int devlink_port_function_set(struct devlink_port *port, - const struct nlattr *attr, - struct netlink_ext_ack *extack) -{ - struct nlattr *tb[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1]; - int err; - - err = nla_parse_nested(tb, DEVLINK_PORT_FUNCTION_ATTR_MAX, attr, - devlink_function_nl_policy, extack); - if (err < 0) { - NL_SET_ERR_MSG(extack, "Fail to parse port function attributes"); - return err; - } - - err = devlink_port_function_validate(port, tb, extack); - if (err) - return err; - - attr = tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]; - if (attr) { - err = devlink_port_function_hw_addr_set(port, attr, extack); - if (err) - return err; - } - - attr = tb[DEVLINK_PORT_FN_ATTR_CAPS]; - if (attr) { - err = devlink_port_fn_caps_set(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(port, attr, extack); - - if (!err) - devlink_port_notify(port, DEVLINK_CMD_PORT_NEW); - return err; -} - -static int devlink_nl_cmd_port_set_doit(struct sk_buff *skb, - struct genl_info *info) -{ - struct devlink_port *devlink_port = info->user_ptr[1]; - int err; - - if (info->attrs[DEVLINK_ATTR_PORT_TYPE]) { - enum devlink_port_type port_type; - - port_type = nla_get_u16(info->attrs[DEVLINK_ATTR_PORT_TYPE]); - err = devlink_port_type_set(devlink_port, port_type); - if (err) - return err; - } - - if (info->attrs[DEVLINK_ATTR_PORT_FUNCTION]) { - struct nlattr *attr = info->attrs[DEVLINK_ATTR_PORT_FUNCTION]; - struct netlink_ext_ack *extack = info->extack; - - err = devlink_port_function_set(devlink_port, attr, extack); - if (err) - return err; - } - - return 0; -} - -static int devlink_nl_cmd_port_split_doit(struct sk_buff *skb, - struct genl_info *info) -{ - struct devlink_port *devlink_port = info->user_ptr[1]; - struct devlink *devlink = info->user_ptr[0]; - u32 count; - - if (GENL_REQ_ATTR_CHECK(info, DEVLINK_ATTR_PORT_SPLIT_COUNT)) - return -EINVAL; - if (!devlink_port->ops->port_split) - return -EOPNOTSUPP; - - count = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_SPLIT_COUNT]); - - if (!devlink_port->attrs.splittable) { - /* Split ports cannot be split. */ - if (devlink_port->attrs.split) - NL_SET_ERR_MSG(info->extack, "Port cannot be split further"); - else - NL_SET_ERR_MSG(info->extack, "Port cannot be split"); - return -EINVAL; - } - - if (count < 2 || !is_power_of_2(count) || count > devlink_port->attrs.lanes) { - NL_SET_ERR_MSG(info->extack, "Invalid split count"); - return -EINVAL; - } - - return devlink_port->ops->port_split(devlink, devlink_port, count, - info->extack); -} - -static int devlink_nl_cmd_port_unsplit_doit(struct sk_buff *skb, - struct genl_info *info) -{ - struct devlink_port *devlink_port = info->user_ptr[1]; - struct devlink *devlink = info->user_ptr[0]; - - if (!devlink_port->ops->port_unsplit) - return -EOPNOTSUPP; - return devlink_port->ops->port_unsplit(devlink, devlink_port, info->extack); -} - -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]; - struct devlink_port *devlink_port; - struct sk_buff *msg; - int err; - - if (!devlink->ops->port_new) - return -EOPNOTSUPP; - - if (!info->attrs[DEVLINK_ATTR_PORT_FLAVOUR] || - !info->attrs[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) { - NL_SET_ERR_MSG(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, &devlink_port); - if (err) - return err; - - 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]; - - if (!devlink_port->ops->port_del) - return -EOPNOTSUPP; - - return devlink_port->ops->port_del(devlink, devlink_port, extack); -} - static int devlink_nl_rate_parent_node_set(struct devlink_rate *devlink_rate, struct genl_info *info, @@ -6783,489 +5860,6 @@ void devlink_notify_unregister(struct devlink *devlink) devlink_notify(devlink, DEVLINK_CMD_DEL); } -static void devlink_port_type_warn(struct work_struct *work) -{ - 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) -{ - /* Ignore CPU and DSA flavours. */ - return devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_CPU && - devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_DSA && - devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_UNUSED; -} - -#define DEVLINK_PORT_TYPE_WARN_TIMEOUT (HZ * 3600) - -static void devlink_port_type_warn_schedule(struct devlink_port *devlink_port) -{ - if (!devlink_port_type_should_warn(devlink_port)) - return; - /* Schedule a work to WARN in case driver does not set port - * type within timeout. - */ - schedule_delayed_work(&devlink_port->type_warn_dw, - DEVLINK_PORT_TYPE_WARN_TIMEOUT); -} - -static void devlink_port_type_warn_cancel(struct devlink_port *devlink_port) -{ - if (!devlink_port_type_should_warn(devlink_port)) - return; - cancel_delayed_work_sync(&devlink_port->type_warn_dw); -} - -/** - * devlink_port_init() - Init devlink port - * - * @devlink: devlink - * @devlink_port: devlink port - * - * 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. - */ -void devlink_port_init(struct devlink *devlink, - struct devlink_port *devlink_port) -{ - if (devlink_port->initialized) - return; - devlink_port->devlink = devlink; - INIT_LIST_HEAD(&devlink_port->region_list); - devlink_port->initialized = true; -} -EXPORT_SYMBOL_GPL(devlink_port_init); - -/** - * devlink_port_fini() - Deinitialize devlink port - * - * @devlink_port: devlink port - * - * 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. - */ -void devlink_port_fini(struct devlink_port *devlink_port) -{ - WARN_ON(!list_empty(&devlink_port->region_list)); -} -EXPORT_SYMBOL_GPL(devlink_port_fini); - -static const struct devlink_port_ops devlink_port_dummy_ops = {}; - -/** - * 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 - * is convenient to be embedded inside user driver private structure. - * Note that the caller should take care of zeroing the devlink_port - * structure. - */ -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; - - devl_assert_locked(devlink); - - ASSERT_DEVLINK_PORT_NOT_REGISTERED(devlink_port); - - 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); - if (err) { - devlink_port->registered = false; - return err; - } - - INIT_DELAYED_WORK(&devlink_port->type_warn_dw, &devlink_port_type_warn); - devlink_port_type_warn_schedule(devlink_port); - devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW); - return 0; -} -EXPORT_SYMBOL_GPL(devl_port_register_with_ops); - -/** - * 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 - * is convenient to be embedded inside user driver private structure. - * Note that the caller should take care of zeroing the devlink_port - * structure. - * - * Context: Takes and release devlink->lock <mutex>. - */ -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_with_ops(devlink, devlink_port, - port_index, ops); - devl_unlock(devlink); - return err; -} -EXPORT_SYMBOL_GPL(devlink_port_register_with_ops); - -/** - * devl_port_unregister() - Unregister devlink port - * - * @devlink_port: devlink port - */ -void devl_port_unregister(struct devlink_port *devlink_port) -{ - lockdep_assert_held(&devlink_port->devlink->lock); - WARN_ON(devlink_port->type != DEVLINK_PORT_TYPE_NOTSET); - - devlink_port_type_warn_cancel(devlink_port); - devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_DEL); - xa_erase(&devlink_port->devlink->ports, devlink_port->index); - WARN_ON(!list_empty(&devlink_port->reporter_list)); - devlink_port->registered = false; -} -EXPORT_SYMBOL_GPL(devl_port_unregister); - -/** - * devlink_port_unregister - Unregister devlink port - * - * @devlink_port: devlink port - * - * Context: Takes and release devlink->lock <mutex>. - */ -void devlink_port_unregister(struct devlink_port *devlink_port) -{ - struct devlink *devlink = devlink_port->devlink; - - devl_lock(devlink); - devl_port_unregister(devlink_port); - devl_unlock(devlink); -} -EXPORT_SYMBOL_GPL(devlink_port_unregister); - -static void devlink_port_type_netdev_checks(struct devlink_port *devlink_port, - struct net_device *netdev) -{ - const struct net_device_ops *ops = netdev->netdev_ops; - - /* If driver registers devlink port, it should set devlink port - * attributes accordingly so the compat functions are called - * and the original ops are not used. - */ - if (ops->ndo_get_phys_port_name) { - /* Some drivers use the same set of ndos for netdevs - * that have devlink_port registered and also for - * those who don't. Make sure that ndo_get_phys_port_name - * returns -EOPNOTSUPP here in case it is defined. - * Warn if not. - */ - char name[IFNAMSIZ]; - int err; - - err = ops->ndo_get_phys_port_name(netdev, name, sizeof(name)); - WARN_ON(err != -EOPNOTSUPP); - } - if (ops->ndo_get_port_parent_id) { - /* Some drivers use the same set of ndos for netdevs - * that have devlink_port registered and also for - * those who don't. Make sure that ndo_get_port_parent_id - * returns -EOPNOTSUPP here in case it is defined. - * Warn if not. - */ - struct netdev_phys_item_id ppid; - int err; - - err = ops->ndo_get_port_parent_id(netdev, &ppid); - WARN_ON(err != -EOPNOTSUPP); - } -} - -static void __devlink_port_type_set(struct devlink_port *devlink_port, - enum devlink_port_type type, - void *type_dev) -{ - struct net_device *netdev = type_dev; - - ASSERT_DEVLINK_PORT_REGISTERED(devlink_port); - - if (type == DEVLINK_PORT_TYPE_NOTSET) { - devlink_port_type_warn_schedule(devlink_port); - } else { - devlink_port_type_warn_cancel(devlink_port); - if (type == DEVLINK_PORT_TYPE_ETH && netdev) - devlink_port_type_netdev_checks(devlink_port, netdev); - } - - spin_lock_bh(&devlink_port->type_lock); - devlink_port->type = type; - switch (type) { - case DEVLINK_PORT_TYPE_ETH: - devlink_port->type_eth.netdev = netdev; - if (netdev) { - ASSERT_RTNL(); - devlink_port->type_eth.ifindex = netdev->ifindex; - BUILD_BUG_ON(sizeof(devlink_port->type_eth.ifname) != - sizeof(netdev->name)); - strcpy(devlink_port->type_eth.ifname, netdev->name); - } - break; - case DEVLINK_PORT_TYPE_IB: - devlink_port->type_ib.ibdev = type_dev; - break; - default: - break; - } - spin_unlock_bh(&devlink_port->type_lock); - devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW); -} - -/** - * devlink_port_type_eth_set - Set port type to Ethernet - * - * @devlink_port: devlink port - * - * If driver is calling this, most likely it is doing something wrong. - */ -void devlink_port_type_eth_set(struct devlink_port *devlink_port) -{ - dev_warn(devlink_port->devlink->dev, - "devlink port type for port %d set to Ethernet without a software interface reference, device type not supported by the kernel?\n", - devlink_port->index); - __devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_ETH, NULL); -} -EXPORT_SYMBOL_GPL(devlink_port_type_eth_set); - -/** - * devlink_port_type_ib_set - Set port type to InfiniBand - * - * @devlink_port: devlink port - * @ibdev: related IB device - */ -void devlink_port_type_ib_set(struct devlink_port *devlink_port, - struct ib_device *ibdev) -{ - __devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_IB, ibdev); -} -EXPORT_SYMBOL_GPL(devlink_port_type_ib_set); - -/** - * devlink_port_type_clear - Clear port type - * - * @devlink_port: devlink port - * - * If driver is calling this for clearing Ethernet type, most likely - * it is doing something wrong. - */ -void devlink_port_type_clear(struct devlink_port *devlink_port) -{ - if (devlink_port->type == DEVLINK_PORT_TYPE_ETH) - dev_warn(devlink_port->devlink->dev, - "devlink port type for port %d cleared without a software interface reference, device type not supported by the kernel?\n", - devlink_port->index); - __devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_NOTSET, NULL); -} -EXPORT_SYMBOL_GPL(devlink_port_type_clear); - -int devlink_port_netdevice_event(struct notifier_block *nb, - unsigned long event, void *ptr) -{ - struct net_device *netdev = netdev_notifier_info_to_dev(ptr); - struct devlink_port *devlink_port = netdev->devlink_port; - struct devlink *devlink; - - if (!devlink_port) - return NOTIFY_OK; - devlink = devlink_port->devlink; - - switch (event) { - case NETDEV_POST_INIT: - /* Set the type but not netdev pointer. It is going to be set - * later on by NETDEV_REGISTER event. Happens once during - * netdevice register - */ - __devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_ETH, - NULL); - break; - case NETDEV_REGISTER: - case NETDEV_CHANGENAME: - if (devlink_net(devlink) != dev_net(netdev)) - return NOTIFY_OK; - /* Set the netdev on top of previously set type. Note this - * event happens also during net namespace change so here - * we take into account netdev pointer appearing in this - * namespace. - */ - __devlink_port_type_set(devlink_port, devlink_port->type, - netdev); - break; - case NETDEV_UNREGISTER: - if (devlink_net(devlink) != dev_net(netdev)) - return NOTIFY_OK; - /* Clear netdev pointer, but not the type. This event happens - * also during net namespace change so we need to clear - * pointer to netdev that is going to another net namespace. - */ - __devlink_port_type_set(devlink_port, devlink_port->type, - NULL); - break; - case NETDEV_PRE_UNINIT: - /* Clear the type and the netdev pointer. Happens one during - * netdevice unregister. - */ - __devlink_port_type_set(devlink_port, DEVLINK_PORT_TYPE_NOTSET, - NULL); - break; - } - - return NOTIFY_OK; -} - -static int __devlink_port_attrs_set(struct devlink_port *devlink_port, - enum devlink_port_flavour flavour) -{ - struct devlink_port_attrs *attrs = &devlink_port->attrs; - - devlink_port->attrs_set = true; - attrs->flavour = flavour; - if (attrs->switch_id.id_len) { - devlink_port->switch_port = true; - if (WARN_ON(attrs->switch_id.id_len > MAX_PHYS_ITEM_ID_LEN)) - attrs->switch_id.id_len = MAX_PHYS_ITEM_ID_LEN; - } else { - devlink_port->switch_port = false; - } - return 0; -} - -/** - * devlink_port_attrs_set - Set port attributes - * - * @devlink_port: devlink port - * @attrs: devlink port attrs - */ -void devlink_port_attrs_set(struct devlink_port *devlink_port, - struct devlink_port_attrs *attrs) -{ - int ret; - - ASSERT_DEVLINK_PORT_NOT_REGISTERED(devlink_port); - - devlink_port->attrs = *attrs; - ret = __devlink_port_attrs_set(devlink_port, attrs->flavour); - if (ret) - return; - WARN_ON(attrs->splittable && attrs->split); -} -EXPORT_SYMBOL_GPL(devlink_port_attrs_set); - -/** - * devlink_port_attrs_pci_pf_set - Set PCI PF port attributes - * - * @devlink_port: devlink port - * @controller: associated controller number for the devlink port instance - * @pf: associated PF for the devlink port instance - * @external: indicates if the port is for an external controller - */ -void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, - u16 pf, bool external) -{ - struct devlink_port_attrs *attrs = &devlink_port->attrs; - int ret; - - ASSERT_DEVLINK_PORT_NOT_REGISTERED(devlink_port); - - ret = __devlink_port_attrs_set(devlink_port, - DEVLINK_PORT_FLAVOUR_PCI_PF); - if (ret) - return; - attrs->pci_pf.controller = controller; - attrs->pci_pf.pf = pf; - attrs->pci_pf.external = external; -} -EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_pf_set); - -/** - * devlink_port_attrs_pci_vf_set - Set PCI VF port attributes - * - * @devlink_port: devlink port - * @controller: associated controller number for the devlink port instance - * @pf: associated PF for the devlink port instance - * @vf: associated VF of a PF for the devlink port instance - * @external: indicates if the port is for an external controller - */ -void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, - u16 pf, u16 vf, bool external) -{ - struct devlink_port_attrs *attrs = &devlink_port->attrs; - int ret; - - ASSERT_DEVLINK_PORT_NOT_REGISTERED(devlink_port); - - ret = __devlink_port_attrs_set(devlink_port, - DEVLINK_PORT_FLAVOUR_PCI_VF); - if (ret) - return; - attrs->pci_vf.controller = controller; - attrs->pci_vf.pf = pf; - attrs->pci_vf.vf = vf; - attrs->pci_vf.external = external; -} -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 - * @external: indicates if the port is for an external controller - */ -void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, u32 controller, - u16 pf, u32 sf, bool external) -{ - struct devlink_port_attrs *attrs = &devlink_port->attrs; - int ret; - - ASSERT_DEVLINK_PORT_NOT_REGISTERED(devlink_port); - - 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; - attrs->pci_sf.external = external; -} -EXPORT_SYMBOL_GPL(devlink_port_attrs_pci_sf_set); - /** * devl_rate_node_create - create devlink rate node * @devlink: devlink instance @@ -7412,92 +6006,6 @@ void devl_rate_nodes_destroy(struct devlink *devlink) } EXPORT_SYMBOL_GPL(devl_rate_nodes_destroy); -/** - * devlink_port_linecard_set - Link port with a linecard - * - * @devlink_port: devlink port - * @linecard: devlink linecard - */ -void devlink_port_linecard_set(struct devlink_port *devlink_port, - struct devlink_linecard *linecard) -{ - ASSERT_DEVLINK_PORT_NOT_REGISTERED(devlink_port); - - devlink_port->linecard = linecard; -} -EXPORT_SYMBOL_GPL(devlink_port_linecard_set); - -static int __devlink_port_phys_port_name_get(struct devlink_port *devlink_port, - char *name, size_t len) -{ - struct devlink_port_attrs *attrs = &devlink_port->attrs; - int n = 0; - - if (!devlink_port->attrs_set) - return -EOPNOTSUPP; - - switch (attrs->flavour) { - case DEVLINK_PORT_FLAVOUR_PHYSICAL: - if (devlink_port->linecard) - n = snprintf(name, len, "l%u", - devlink_port->linecard->index); - if (n < len) - n += snprintf(name + n, len - n, "p%u", - attrs->phys.port_number); - if (n < len && attrs->split) - n += snprintf(name + n, len - n, "s%u", - attrs->phys.split_subport_number); - break; - case DEVLINK_PORT_FLAVOUR_CPU: - case DEVLINK_PORT_FLAVOUR_DSA: - case DEVLINK_PORT_FLAVOUR_UNUSED: - /* As CPU and DSA ports do not have a netdevice associated - * case should not ever happen. - */ - WARN_ON(1); - return -EINVAL; - case DEVLINK_PORT_FLAVOUR_PCI_PF: - if (attrs->pci_pf.external) { - n = snprintf(name, len, "c%u", attrs->pci_pf.controller); - if (n >= len) - return -EINVAL; - len -= n; - name += n; - } - n = snprintf(name, len, "pf%u", attrs->pci_pf.pf); - break; - case DEVLINK_PORT_FLAVOUR_PCI_VF: - if (attrs->pci_vf.external) { - n = snprintf(name, len, "c%u", attrs->pci_vf.controller); - if (n >= len) - return -EINVAL; - len -= n; - name += n; - } - n = snprintf(name, len, "pf%uvf%u", - attrs->pci_vf.pf, attrs->pci_vf.vf); - break; - case DEVLINK_PORT_FLAVOUR_PCI_SF: - if (attrs->pci_sf.external) { - n = snprintf(name, len, "c%u", attrs->pci_sf.controller); - if (n >= len) - return -EINVAL; - len -= n; - name += n; - } - n = snprintf(name, len, "pf%usf%u", attrs->pci_sf.pf, - attrs->pci_sf.sf); - break; - case DEVLINK_PORT_FLAVOUR_VIRTUAL: - return -EOPNOTSUPP; - } - - if (n >= len) - return -EINVAL; - - return 0; -} - static int devlink_linecard_types_init(struct devlink_linecard *linecard) { struct devlink_linecard_type *linecard_type; @@ -9572,39 +8080,3 @@ devl_trap_policers_unregister(struct devlink *devlink, devlink_trap_policer_unregister(devlink, &policers[i]); } EXPORT_SYMBOL_GPL(devl_trap_policers_unregister); - -int devlink_compat_phys_port_name_get(struct net_device *dev, - char *name, size_t len) -{ - struct devlink_port *devlink_port; - - /* RTNL mutex is held here which ensures that devlink_port - * instance cannot disappear in the middle. No need to take - * any devlink lock as only permanent values are accessed. - */ - ASSERT_RTNL(); - - devlink_port = dev->devlink_port; - if (!devlink_port) - return -EOPNOTSUPP; - - return __devlink_port_phys_port_name_get(devlink_port, name, len); -} - -int devlink_compat_switch_id_get(struct net_device *dev, - struct netdev_phys_item_id *ppid) -{ - struct devlink_port *devlink_port; - - /* Caller must hold RTNL mutex or reference to dev, which ensures that - * devlink_port instance cannot disappear in the middle. No need to take - * any devlink lock as only permanent values are accessed. - */ - devlink_port = dev->devlink_port; - if (!devlink_port || !devlink_port->switch_port) - return -EOPNOTSUPP; - - memcpy(ppid, &devlink_port->attrs.switch_id, sizeof(*ppid)); - - return 0; -} |