diff options
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 101 |
1 files changed, 31 insertions, 70 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 0249fe7e3872..34f3abc6457a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -34,7 +34,6 @@ #include <linux/pm_qos_params.h> #include <linux/timer.h> #include <linux/delay.h> -#include <linux/mm.h> #include <asm/atomic.h> #include <asm/cache.h> #include <asm/byteorder.h> @@ -61,11 +60,6 @@ struct wireless_dev; #define SET_ETHTOOL_OPS(netdev,ops) \ ( (netdev)->ethtool_ops = (ops) ) -#define HAVE_ALLOC_NETDEV /* feature macro: alloc_xxxdev - functions are available. */ -#define HAVE_FREE_NETDEV /* free_netdev() */ -#define HAVE_NETDEV_PRIV /* netdev_priv() */ - /* hardware address assignment types */ #define NET_ADDR_PERM 0 /* address is permanent (default) */ #define NET_ADDR_RANDOM 1 /* address is generated randomly */ @@ -258,21 +252,8 @@ struct netdev_hw_addr_list { netdev_hw_addr_list_for_each(ha, &(dev)->mc) struct hh_cache { - struct hh_cache *hh_next; /* Next entry */ - atomic_t hh_refcnt; /* number of users */ -/* - * We want hh_output, hh_len, hh_lock and hh_data be a in a separate - * cache line on SMP. - * They are mostly read, but hh_refcnt may be changed quite frequently, - * incurring cache line ping pongs. - */ - __be16 hh_type ____cacheline_aligned_in_smp; - /* protocol identifier, f.e ETH_P_IP - * NOTE: For VLANs, this will be the - * encapuslated type. --BLG - */ - u16 hh_len; /* length of header */ - int (*hh_output)(struct sk_buff *skb); + u16 hh_len; + u16 __pad; seqlock_t hh_lock; /* cached hardware header; allow for machine alignment needs. */ @@ -284,12 +265,6 @@ struct hh_cache { unsigned long hh_data[HH_DATA_ALIGN(LL_MAX_HEADER) / sizeof(long)]; }; -static inline void hh_cache_put(struct hh_cache *hh) -{ - if (atomic_dec_and_test(&hh->hh_refcnt)) - kfree(hh); -} - /* Reserve HH_DATA_MOD byte aligned hard_header_len, but at least that much. * Alternative is: * dev->hard_header_len ? (dev->hard_header_len + @@ -314,8 +289,7 @@ struct header_ops { const void *saddr, unsigned len); int (*parse)(const struct sk_buff *skb, unsigned char *haddr); int (*rebuild)(struct sk_buff *skb); -#define HAVE_HEADER_CACHE - int (*cache)(const struct neighbour *neigh, struct hh_cache *hh); + int (*cache)(const struct neighbour *neigh, struct hh_cache *hh, __be16 type); void (*cache_update)(struct hh_cache *hh, const struct net_device *dev, const unsigned char *haddr); @@ -556,7 +530,7 @@ struct netdev_queue { struct Qdisc *qdisc; unsigned long state; struct Qdisc *qdisc_sleeping; -#ifdef CONFIG_RPS +#if defined(CONFIG_RPS) || defined(CONFIG_XPS) struct kobject kobj; #endif #if defined(CONFIG_XPS) && defined(CONFIG_NUMA) @@ -794,12 +768,6 @@ struct netdev_tc_txq { * 3. Update dev->stats asynchronously and atomically, and define * neither operation. * - * void (*ndo_vlan_rx_register)(struct net_device *dev, struct vlan_group *grp); - * If device support VLAN receive acceleration - * (ie. dev->features & NETIF_F_HW_VLAN_RX), then this function is called - * when vlan groups for the device changes. Note: grp is NULL - * if no vlan's groups are being used. - * * void (*ndo_vlan_rx_add_vid)(struct net_device *dev, unsigned short vid); * If device support VLAN filtering (dev->features & NETIF_F_HW_VLAN_FILTER) * this function is called when a VLAN id is registered. @@ -888,7 +856,6 @@ struct netdev_tc_txq { * Must return >0 or -errno if it changed dev->features itself. * */ -#define HAVE_NET_DEVICE_OPS struct net_device_ops { int (*ndo_init)(struct net_device *dev); void (*ndo_uninit)(struct net_device *dev); @@ -919,8 +886,6 @@ struct net_device_ops { struct rtnl_link_stats64 *storage); struct net_device_stats* (*ndo_get_stats)(struct net_device *dev); - void (*ndo_vlan_rx_register)(struct net_device *dev, - struct vlan_group *grp); void (*ndo_vlan_rx_add_vid)(struct net_device *dev, unsigned short vid); void (*ndo_vlan_rx_kill_vid)(struct net_device *dev, @@ -1020,9 +985,6 @@ struct net_device { * part of the usual set specified in Space.c. */ - unsigned char if_port; /* Selectable AUI, TP,..*/ - unsigned char dma; /* DMA channel */ - unsigned long state; struct list_head dev_list; @@ -1035,7 +997,7 @@ struct net_device { u32 hw_features; /* user-requested features */ u32 wanted_features; - /* VLAN feature mask */ + /* mask of features inheritable by VLAN devices */ u32 vlan_features; /* Net device feature bits; if you change something, @@ -1066,6 +1028,8 @@ struct net_device { #define NETIF_F_NTUPLE (1 << 27) /* N-tuple filters supported */ #define NETIF_F_RXHASH (1 << 28) /* Receive hashing offload */ #define NETIF_F_RXCSUM (1 << 29) /* Receive checksumming offload */ +#define NETIF_F_NOCACHE_COPY (1 << 30) /* Use no-cache copyfromuser */ +#define NETIF_F_LOOPBACK (1 << 31) /* Enable loopback */ /* Segmentation offload features */ #define NETIF_F_GSO_SHIFT 16 @@ -1079,9 +1043,9 @@ struct net_device { /* Features valid for ethtool to change */ /* = all defined minus driver/device-class-related */ -#define NETIF_F_NEVER_CHANGE (NETIF_F_HIGHDMA | NETIF_F_VLAN_CHALLENGED | \ +#define NETIF_F_NEVER_CHANGE (NETIF_F_VLAN_CHALLENGED | \ NETIF_F_LLTX | NETIF_F_NETNS_LOCAL) -#define NETIF_F_ETHTOOL_BITS (0x3f3fffff & ~NETIF_F_NEVER_CHANGE) +#define NETIF_F_ETHTOOL_BITS (0xff3fffff & ~NETIF_F_NEVER_CHANGE) /* List of features with software fallbacks. */ #define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | \ @@ -1095,9 +1059,8 @@ struct net_device { #define NETIF_F_ALL_TSO (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN) -#define NETIF_F_ALL_TX_OFFLOADS (NETIF_F_ALL_CSUM | NETIF_F_SG | \ - NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ - NETIF_F_SCTP_CSUM | NETIF_F_FCOE_CRC) +#define NETIF_F_ALL_FCOE (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \ + NETIF_F_FSO) /* * If one device supports one of these features, then enable them @@ -1105,7 +1068,12 @@ struct net_device { */ #define NETIF_F_ONE_FOR_ALL (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \ NETIF_F_SG | NETIF_F_HIGHDMA | \ - NETIF_F_FRAGLIST) + NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED) + /* + * If one device doesn't support one of these features, then disable it + * for all in netdev_increment_features. + */ +#define NETIF_F_ALL_FOR_ALL (NETIF_F_NOCACHE_COPY | NETIF_F_FSO) /* changeable features with no special hardware requirements */ #define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO) @@ -1134,13 +1102,16 @@ struct net_device { const struct header_ops *header_ops; unsigned int flags; /* interface flags (a la BSD) */ + unsigned int priv_flags; /* Like 'flags' but invisible to userspace. */ unsigned short gflags; - unsigned int priv_flags; /* Like 'flags' but invisible to userspace. */ unsigned short padded; /* How much padding added by alloc_netdev() */ unsigned char operstate; /* RFC2863 operstate */ unsigned char link_mode; /* mapping policy to operstate */ + unsigned char if_port; /* Selectable AUI, TP,..*/ + unsigned char dma; /* DMA channel */ + unsigned int mtu; /* interface MTU value */ unsigned short type; /* interface hardware type */ unsigned short hard_header_len; /* hardware hdr length */ @@ -1208,7 +1179,7 @@ struct net_device { unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */ -#ifdef CONFIG_RPS +#if defined(CONFIG_RPS) || defined(CONFIG_XPS) struct kset *queues_kset; struct netdev_rx_queue *_rx; @@ -1281,7 +1252,9 @@ struct net_device { NETREG_UNREGISTERED, /* completed unregister todo */ NETREG_RELEASED, /* called free_netdev */ NETREG_DUMMY, /* dummy device for NAPI poll */ - } reg_state:16; + } reg_state:8; + + bool dismantle; /* device is going do be freed */ enum { RTNL_LINK_INITIALIZED, @@ -1334,9 +1307,6 @@ struct net_device { /* max exchange id for FCoE LRO by ddp */ unsigned int fcoe_ddp_xid; #endif - /* n-tuple filter list attached to this device */ - struct ethtool_rx_ntuple_list ethtool_ntuple_list; - /* phy device may attach itself for hardware timestamping */ struct phy_device *phydev; @@ -1549,7 +1519,6 @@ struct packet_type { struct list_head list; }; -#include <linux/interrupt.h> #include <linux/notifier.h> extern rwlock_t dev_base_lock; /* Device list lock */ @@ -1772,8 +1741,6 @@ static inline void input_queue_tail_incr_save(struct softnet_data *sd, DECLARE_PER_CPU_ALIGNED(struct softnet_data, softnet_data); -#define HAVE_NETIF_QUEUE - extern void __netif_schedule(struct Qdisc *q); static inline void netif_schedule_queue(struct netdev_queue *txq) @@ -2049,10 +2016,8 @@ extern void dev_kfree_skb_irq(struct sk_buff *skb); */ extern void dev_kfree_skb_any(struct sk_buff *skb); -#define HAVE_NETIF_RX 1 extern int netif_rx(struct sk_buff *skb); extern int netif_rx_ni(struct sk_buff *skb); -#define HAVE_NETIF_RECEIVE_SKB 1 extern int netif_receive_skb(struct sk_buff *skb); extern gro_result_t dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb); @@ -2232,7 +2197,6 @@ extern void netif_device_attach(struct net_device *dev); /* * Network interface message level settings */ -#define HAVE_NETIF_MSG 1 enum { NETIF_MSG_DRV = 0x0001, @@ -2513,6 +2477,7 @@ extern struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, extern int netdev_max_backlog; extern int netdev_tstamp_prequeue; extern int weight_p; +extern int bpf_jit_enable; extern int netdev_set_master(struct net_device *dev, struct net_device *master); extern int netdev_set_bond_master(struct net_device *dev, struct net_device *master); @@ -2540,7 +2505,7 @@ extern void netdev_class_remove_file(struct class_attribute *class_attr); extern struct kobj_ns_type_operations net_ns_type_operations; -extern char *netdev_drivername(const struct net_device *dev, char *buffer, int len); +extern const char *netdev_drivername(const struct net_device *dev); extern void linkwatch_run_queue(void); @@ -2549,8 +2514,9 @@ static inline u32 netdev_get_wanted_features(struct net_device *dev) return (dev->features & ~dev->hw_features) | dev->wanted_features; } u32 netdev_increment_features(u32 all, u32 one, u32 mask); -u32 netdev_fix_features(struct net_device *dev, u32 features); +int __netdev_update_features(struct net_device *dev); void netdev_update_features(struct net_device *dev); +void netdev_change_features(struct net_device *dev); void netif_stacked_transfer_operstate(const struct net_device *rootdev, struct net_device *dev); @@ -2588,13 +2554,8 @@ static inline int netif_is_bond_slave(struct net_device *dev) extern struct pernet_operations __net_initdata loopback_net_ops; -static inline int dev_ethtool_get_settings(struct net_device *dev, - struct ethtool_cmd *cmd) -{ - if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings) - return -EOPNOTSUPP; - return dev->ethtool_ops->get_settings(dev, cmd); -} +int dev_ethtool_get_settings(struct net_device *dev, + struct ethtool_cmd *cmd); static inline u32 dev_ethtool_get_rx_csum(struct net_device *dev) { |