// SPDX-License-Identifier: GPL-2.0-or-later /* -*- linux-c -*- * INET 802.1Q VLAN * Ethernet-type device handling. * * Authors: Ben Greear <[email protected]> * Please send support related email to: [email protected] * VLAN Home Page: http://www.candelatech.com/~greear/vlan.html * * Fixes: Mar 22 2001: Martin Bokaemper <[email protected]> * - reset skb->pkt_type on incoming packets when MAC was changed * - see that changed MAC is saddr for outgoing packets * Oct 20, 2001: Ard van Breeman: * - Fix MC-list, finally. * - Flush MC-list on VLAN destroy. */ #define pr_fmt(fmt) … #include <linux/module.h> #include <linux/slab.h> #include <linux/skbuff.h> #include <linux/netdevice.h> #include <linux/net_tstamp.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/phy.h> #include <net/arp.h> #include <net/macsec.h> #include "vlan.h" #include "vlanproc.h" #include <linux/if_vlan.h> #include <linux/netpoll.h> /* * Create the VLAN header for an arbitrary protocol layer * * saddr=NULL means use device source address * daddr=NULL means leave destination address (eg unresolved arp) * * This is called when the SKB is moving down the stack towards the * physical devices. */ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, const void *daddr, const void *saddr, unsigned int len) { … } static inline netdev_tx_t vlan_netpoll_send_skb(struct vlan_dev_priv *vlan, struct sk_buff *skb) { … } static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) { … } static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu) { … } void vlan_dev_set_ingress_priority(const struct net_device *dev, u32 skb_prio, u16 vlan_prio) { … } int vlan_dev_set_egress_priority(const struct net_device *dev, u32 skb_prio, u16 vlan_prio) { … } /* Flags are defined in the vlan_flags enum in * include/uapi/linux/if_vlan.h file. */ int vlan_dev_change_flags(const struct net_device *dev, u32 flags, u32 mask) { … } void vlan_dev_get_realdev_name(const struct net_device *dev, char *result, size_t size) { … } bool vlan_dev_inherit_address(struct net_device *dev, struct net_device *real_dev) { … } static int vlan_dev_open(struct net_device *dev) { … } static int vlan_dev_stop(struct net_device *dev) { … } static int vlan_dev_set_mac_address(struct net_device *dev, void *p) { … } static int vlan_hwtstamp_get(struct net_device *dev, struct kernel_hwtstamp_config *cfg) { … } static int vlan_hwtstamp_set(struct net_device *dev, struct kernel_hwtstamp_config *cfg, struct netlink_ext_ack *extack) { … } static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { … } static int vlan_dev_neigh_setup(struct net_device *dev, struct neigh_parms *pa) { … } #if IS_ENABLED(CONFIG_FCOE) static int vlan_dev_fcoe_ddp_setup(struct net_device *dev, u16 xid, struct scatterlist *sgl, unsigned int sgc) { … } static int vlan_dev_fcoe_ddp_done(struct net_device *dev, u16 xid) { … } static int vlan_dev_fcoe_enable(struct net_device *dev) { … } static int vlan_dev_fcoe_disable(struct net_device *dev) { … } static int vlan_dev_fcoe_ddp_target(struct net_device *dev, u16 xid, struct scatterlist *sgl, unsigned int sgc) { … } #endif #ifdef NETDEV_FCOE_WWNN static int vlan_dev_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type) { … } #endif static void vlan_dev_change_rx_flags(struct net_device *dev, int change) { … } static void vlan_dev_set_rx_mode(struct net_device *vlan_dev) { … } static __be16 vlan_parse_protocol(const struct sk_buff *skb) { … } static const struct header_ops vlan_header_ops = …; static int vlan_passthru_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, const void *daddr, const void *saddr, unsigned int len) { … } static const struct header_ops vlan_passthru_header_ops = …; static const struct device_type vlan_type = …; static const struct net_device_ops vlan_netdev_ops; static int vlan_dev_init(struct net_device *dev) { … } /* Note: this function might be called multiple times for the same device. */ void vlan_dev_free_egress_priority(const struct net_device *dev) { … } static void vlan_dev_uninit(struct net_device *dev) { … } static netdev_features_t vlan_dev_fix_features(struct net_device *dev, netdev_features_t features) { … } static int vlan_ethtool_get_link_ksettings(struct net_device *dev, struct ethtool_link_ksettings *cmd) { … } static void vlan_ethtool_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { … } static int vlan_ethtool_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info) { … } static void vlan_dev_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { … } #ifdef CONFIG_NET_POLL_CONTROLLER static void vlan_dev_poll_controller(struct net_device *dev) { … } static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo) { … } static void vlan_dev_netpoll_cleanup(struct net_device *dev) { … } #endif /* CONFIG_NET_POLL_CONTROLLER */ static int vlan_dev_get_iflink(const struct net_device *dev) { … } static int vlan_dev_fill_forward_path(struct net_device_path_ctx *ctx, struct net_device_path *path) { … } #if IS_ENABLED(CONFIG_MACSEC) static const struct macsec_ops *vlan_get_macsec_ops(const struct macsec_context *ctx) { … } static int vlan_macsec_offload(int (* const func)(struct macsec_context *), struct macsec_context *ctx) { … } static int vlan_macsec_dev_open(struct macsec_context *ctx) { … } static int vlan_macsec_dev_stop(struct macsec_context *ctx) { … } static int vlan_macsec_add_secy(struct macsec_context *ctx) { … } static int vlan_macsec_upd_secy(struct macsec_context *ctx) { … } static int vlan_macsec_del_secy(struct macsec_context *ctx) { … } static int vlan_macsec_add_rxsc(struct macsec_context *ctx) { … } static int vlan_macsec_upd_rxsc(struct macsec_context *ctx) { … } static int vlan_macsec_del_rxsc(struct macsec_context *ctx) { … } static int vlan_macsec_add_rxsa(struct macsec_context *ctx) { … } static int vlan_macsec_upd_rxsa(struct macsec_context *ctx) { … } static int vlan_macsec_del_rxsa(struct macsec_context *ctx) { … } static int vlan_macsec_add_txsa(struct macsec_context *ctx) { … } static int vlan_macsec_upd_txsa(struct macsec_context *ctx) { … } static int vlan_macsec_del_txsa(struct macsec_context *ctx) { … } static int vlan_macsec_get_dev_stats(struct macsec_context *ctx) { … } static int vlan_macsec_get_tx_sc_stats(struct macsec_context *ctx) { … } static int vlan_macsec_get_tx_sa_stats(struct macsec_context *ctx) { … } static int vlan_macsec_get_rx_sc_stats(struct macsec_context *ctx) { … } static int vlan_macsec_get_rx_sa_stats(struct macsec_context *ctx) { … } static const struct macsec_ops macsec_offload_ops = …; #endif static const struct ethtool_ops vlan_ethtool_ops = …; static const struct net_device_ops vlan_netdev_ops = …; static void vlan_dev_free(struct net_device *dev) { … } void vlan_setup(struct net_device *dev) { … }
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