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-rw-r--r--include/linux/netdevice.h224
1 files changed, 158 insertions, 66 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index bcbde799ec69..88a00694eda5 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -25,7 +25,6 @@
#ifndef _LINUX_NETDEVICE_H
#define _LINUX_NETDEVICE_H
-#include <linux/pm_qos.h>
#include <linux/timer.h>
#include <linux/bug.h>
#include <linux/delay.h>
@@ -60,6 +59,7 @@ struct phy_device;
struct wireless_dev;
/* 802.15.4 specific */
struct wpan_dev;
+struct mpls_dev;
void netdev_set_default_ethtool_ops(struct net_device *dev,
const struct ethtool_ops *ops);
@@ -766,6 +766,13 @@ struct netdev_phys_item_id {
unsigned char id_len;
};
+static inline bool netdev_phys_item_id_same(struct netdev_phys_item_id *a,
+ struct netdev_phys_item_id *b)
+{
+ return a->id_len == b->id_len &&
+ memcmp(a->id, b->id, a->id_len) == 0;
+}
+
typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
struct sk_buff *skb);
@@ -976,7 +983,8 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
* int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh,
* u16 flags)
* int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq,
- * struct net_device *dev, u32 filter_mask)
+ * struct net_device *dev, u32 filter_mask,
+ * int nlflags)
* int (*ndo_bridge_dellink)(struct net_device *dev, struct nlmsghdr *nlh,
* u16 flags);
*
@@ -1040,6 +1048,12 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
* TX queue.
* int (*ndo_get_iflink)(const struct net_device *dev);
* Called to get the iflink value of this device.
+ * void (*ndo_change_proto_down)(struct net_device *dev,
+ * bool proto_down);
+ * This function is used to pass protocol port error state information
+ * to the switch driver. The switch driver can react to the proto_down
+ * by doing a phys down on the associated switch port.
+ *
*/
struct net_device_ops {
int (*ndo_init)(struct net_device *dev);
@@ -1099,6 +1113,10 @@ struct net_device_ops {
struct ifla_vf_info *ivf);
int (*ndo_set_vf_link_state)(struct net_device *dev,
int vf, int link_state);
+ int (*ndo_get_vf_stats)(struct net_device *dev,
+ int vf,
+ struct ifla_vf_stats
+ *vf_stats);
int (*ndo_set_vf_port)(struct net_device *dev,
int vf,
struct nlattr *port[]);
@@ -1172,7 +1190,8 @@ struct net_device_ops {
int (*ndo_bridge_getlink)(struct sk_buff *skb,
u32 pid, u32 seq,
struct net_device *dev,
- u32 filter_mask);
+ u32 filter_mask,
+ int nlflags);
int (*ndo_bridge_dellink)(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags);
@@ -1205,6 +1224,8 @@ struct net_device_ops {
int queue_index,
u32 maxrate);
int (*ndo_get_iflink)(const struct net_device *dev);
+ int (*ndo_change_proto_down)(struct net_device *dev,
+ bool proto_down);
};
/**
@@ -1219,13 +1240,8 @@ struct net_device_ops {
*
* @IFF_802_1Q_VLAN: 802.1Q VLAN device
* @IFF_EBRIDGE: Ethernet bridging device
- * @IFF_SLAVE_INACTIVE: bonding slave not the curr. active
- * @IFF_MASTER_8023AD: bonding master, 802.3ad
- * @IFF_MASTER_ALB: bonding master, balance-alb
* @IFF_BONDING: bonding master or slave
- * @IFF_SLAVE_NEEDARP: need ARPs for validation
* @IFF_ISATAP: ISATAP interface (RFC4214)
- * @IFF_MASTER_ARPMON: bonding master, ARP mon in use
* @IFF_WAN_HDLC: WAN HDLC device
* @IFF_XMIT_DST_RELEASE: dev_hard_start_xmit() is allowed to
* release skb->dst
@@ -1241,44 +1257,40 @@ struct net_device_ops {
* @IFF_LIVE_ADDR_CHANGE: device supports hardware address
* change when it's running
* @IFF_MACVLAN: Macvlan device
+ * @IFF_VRF_MASTER: device is a VRF master
+ * @IFF_NO_QUEUE: device can run without qdisc attached
+ * @IFF_OPENVSWITCH: device is a Open vSwitch master
*/
enum netdev_priv_flags {
IFF_802_1Q_VLAN = 1<<0,
IFF_EBRIDGE = 1<<1,
- IFF_SLAVE_INACTIVE = 1<<2,
- IFF_MASTER_8023AD = 1<<3,
- IFF_MASTER_ALB = 1<<4,
- IFF_BONDING = 1<<5,
- IFF_SLAVE_NEEDARP = 1<<6,
- IFF_ISATAP = 1<<7,
- IFF_MASTER_ARPMON = 1<<8,
- IFF_WAN_HDLC = 1<<9,
- IFF_XMIT_DST_RELEASE = 1<<10,
- IFF_DONT_BRIDGE = 1<<11,
- IFF_DISABLE_NETPOLL = 1<<12,
- IFF_MACVLAN_PORT = 1<<13,
- IFF_BRIDGE_PORT = 1<<14,
- IFF_OVS_DATAPATH = 1<<15,
- IFF_TX_SKB_SHARING = 1<<16,
- IFF_UNICAST_FLT = 1<<17,
- IFF_TEAM_PORT = 1<<18,
- IFF_SUPP_NOFCS = 1<<19,
- IFF_LIVE_ADDR_CHANGE = 1<<20,
- IFF_MACVLAN = 1<<21,
- IFF_XMIT_DST_RELEASE_PERM = 1<<22,
- IFF_IPVLAN_MASTER = 1<<23,
- IFF_IPVLAN_SLAVE = 1<<24,
+ IFF_BONDING = 1<<2,
+ IFF_ISATAP = 1<<3,
+ IFF_WAN_HDLC = 1<<4,
+ IFF_XMIT_DST_RELEASE = 1<<5,
+ IFF_DONT_BRIDGE = 1<<6,
+ IFF_DISABLE_NETPOLL = 1<<7,
+ IFF_MACVLAN_PORT = 1<<8,
+ IFF_BRIDGE_PORT = 1<<9,
+ IFF_OVS_DATAPATH = 1<<10,
+ IFF_TX_SKB_SHARING = 1<<11,
+ IFF_UNICAST_FLT = 1<<12,
+ IFF_TEAM_PORT = 1<<13,
+ IFF_SUPP_NOFCS = 1<<14,
+ IFF_LIVE_ADDR_CHANGE = 1<<15,
+ IFF_MACVLAN = 1<<16,
+ IFF_XMIT_DST_RELEASE_PERM = 1<<17,
+ IFF_IPVLAN_MASTER = 1<<18,
+ IFF_IPVLAN_SLAVE = 1<<19,
+ IFF_VRF_MASTER = 1<<20,
+ IFF_NO_QUEUE = 1<<21,
+ IFF_OPENVSWITCH = 1<<22,
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
#define IFF_EBRIDGE IFF_EBRIDGE
-#define IFF_SLAVE_INACTIVE IFF_SLAVE_INACTIVE
-#define IFF_MASTER_8023AD IFF_MASTER_8023AD
-#define IFF_MASTER_ALB IFF_MASTER_ALB
#define IFF_BONDING IFF_BONDING
-#define IFF_SLAVE_NEEDARP IFF_SLAVE_NEEDARP
#define IFF_ISATAP IFF_ISATAP
-#define IFF_MASTER_ARPMON IFF_MASTER_ARPMON
#define IFF_WAN_HDLC IFF_WAN_HDLC
#define IFF_XMIT_DST_RELEASE IFF_XMIT_DST_RELEASE
#define IFF_DONT_BRIDGE IFF_DONT_BRIDGE
@@ -1295,6 +1307,9 @@ enum netdev_priv_flags {
#define IFF_XMIT_DST_RELEASE_PERM IFF_XMIT_DST_RELEASE_PERM
#define IFF_IPVLAN_MASTER IFF_IPVLAN_MASTER
#define IFF_IPVLAN_SLAVE IFF_IPVLAN_SLAVE
+#define IFF_VRF_MASTER IFF_VRF_MASTER
+#define IFF_NO_QUEUE IFF_NO_QUEUE
+#define IFF_OPENVSWITCH IFF_OPENVSWITCH
/**
* struct net_device - The DEVICE structure.
@@ -1411,6 +1426,7 @@ enum netdev_priv_flags {
* @dn_ptr: DECnet specific data
* @ip6_ptr: IPv6 specific data
* @ax25_ptr: AX.25 specific data
+ * @vrf_ptr: VRF specific data
* @ieee80211_ptr: IEEE 802.11 specific data, assign before registering
*
* @last_rx: Time of last Rx
@@ -1442,6 +1458,8 @@ enum netdev_priv_flags {
*
* @xps_maps: XXX: need comments on this one
*
+ * @offload_fwd_mark: Offload device fwding mark
+ *
* @trans_start: Time (in jiffies) of last Tx
* @watchdog_timeo: Represents the timeout that is used by
* the watchdog ( see dev_watchdog() )
@@ -1496,7 +1514,9 @@ enum netdev_priv_flags {
*
* @qdisc_tx_busylock: XXX: need comments on this one
*
- * @pm_qos_req: Power Management QoS object
+ * @proto_down: protocol port state information can be sent to the
+ * switch driver and used to set the phys state of the
+ * switch port.
*
* FIXME: cleanup struct net_device such that network protocol info
* moves out.
@@ -1564,7 +1584,7 @@ struct net_device {
const struct net_device_ops *netdev_ops;
const struct ethtool_ops *ethtool_ops;
#ifdef CONFIG_NET_SWITCHDEV
- const struct swdev_ops *swdev_ops;
+ const struct switchdev_ops *switchdev_ops;
#endif
const struct header_ops *header_ops;
@@ -1625,8 +1645,12 @@ struct net_device {
struct dn_dev __rcu *dn_ptr;
struct inet6_dev __rcu *ip6_ptr;
void *ax25_ptr;
+ struct net_vrf_dev __rcu *vrf_ptr;
struct wireless_dev *ieee80211_ptr;
struct wpan_dev *ieee802154_ptr;
+#if IS_ENABLED(CONFIG_MPLS_ROUTING)
+ struct mpls_dev __rcu *mpls_ptr;
+#endif
/*
* Cache lines mostly used on receive path (including eth_type_trans())
@@ -1649,7 +1673,14 @@ struct net_device {
rx_handler_func_t __rcu *rx_handler;
void __rcu *rx_handler_data;
+#ifdef CONFIG_NET_CLS_ACT
+ struct tcf_proto __rcu *ingress_cl_list;
+#endif
struct netdev_queue __rcu *ingress_queue;
+#ifdef CONFIG_NETFILTER_INGRESS
+ struct list_head nf_hooks_ingress;
+#endif
+
unsigned char broadcast[MAX_ADDR_LEN];
#ifdef CONFIG_RFS_ACCEL
struct cpu_rmap *rx_cpu_rmap;
@@ -1671,6 +1702,10 @@ struct net_device {
struct xps_dev_maps __rcu *xps_maps;
#endif
+#ifdef CONFIG_NET_SWITCHDEV
+ u32 offload_fwd_mark;
+#endif
+
/* These may be needed for future network-power-down code. */
/*
@@ -1748,6 +1783,7 @@ struct net_device {
#endif
struct phy_device *phydev;
struct lock_class_key *qdisc_tx_busylock;
+ bool proto_down;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
@@ -1987,6 +2023,7 @@ struct offload_callbacks {
struct packet_offload {
__be16 type; /* This is really htons(ether_type). */
+ u16 priority;
struct offload_callbacks callbacks;
struct list_head list;
};
@@ -2021,10 +2058,10 @@ struct pcpu_sw_netstats {
({ \
typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \
if (pcpu_stats) { \
- int i; \
- for_each_possible_cpu(i) { \
+ int __cpu; \
+ for_each_possible_cpu(__cpu) { \
typeof(type) *stat; \
- stat = per_cpu_ptr(pcpu_stats, i); \
+ stat = per_cpu_ptr(pcpu_stats, __cpu); \
u64_stats_init(&stat->syncp); \
} \
} \
@@ -2078,6 +2115,13 @@ struct netdev_notifier_change_info {
unsigned int flags_changed;
};
+struct netdev_notifier_changeupper_info {
+ struct netdev_notifier_info info; /* must be first */
+ struct net_device *upper_dev; /* new upper dev */
+ bool master; /* is upper dev master */
+ bool linking; /* is the nofication for link or unlink */
+};
+
static inline void netdev_notifier_info_init(struct netdev_notifier_info *info,
struct net_device *dev)
{
@@ -2262,8 +2306,7 @@ __sum16 __skb_gro_checksum_complete(struct sk_buff *skb);
static inline bool skb_at_gro_remcsum_start(struct sk_buff *skb)
{
- return (NAPI_GRO_CB(skb)->gro_remcsum_start - skb_headroom(skb) ==
- skb_gro_offset(skb));
+ return (NAPI_GRO_CB(skb)->gro_remcsum_start == skb_gro_offset(skb));
}
static inline bool __skb_gro_checksum_validate_needed(struct sk_buff *skb,
@@ -2359,37 +2402,58 @@ static inline void skb_gro_remcsum_init(struct gro_remcsum *grc)
grc->delta = 0;
}
-static inline void skb_gro_remcsum_process(struct sk_buff *skb, void *ptr,
- int start, int offset,
- struct gro_remcsum *grc,
- bool nopartial)
+static inline void *skb_gro_remcsum_process(struct sk_buff *skb, void *ptr,
+ unsigned int off, size_t hdrlen,
+ int start, int offset,
+ struct gro_remcsum *grc,
+ bool nopartial)
{
__wsum delta;
+ size_t plen = hdrlen + max_t(size_t, offset + sizeof(u16), start);
BUG_ON(!NAPI_GRO_CB(skb)->csum_valid);
if (!nopartial) {
- NAPI_GRO_CB(skb)->gro_remcsum_start =
- ((unsigned char *)ptr + start) - skb->head;
- return;
+ NAPI_GRO_CB(skb)->gro_remcsum_start = off + hdrlen + start;
+ return ptr;
+ }
+
+ ptr = skb_gro_header_fast(skb, off);
+ if (skb_gro_header_hard(skb, off + plen)) {
+ ptr = skb_gro_header_slow(skb, off + plen, off);
+ if (!ptr)
+ return NULL;
}
- delta = remcsum_adjust(ptr, NAPI_GRO_CB(skb)->csum, start, offset);
+ delta = remcsum_adjust(ptr + hdrlen, NAPI_GRO_CB(skb)->csum,
+ start, offset);
/* Adjust skb->csum since we changed the packet */
NAPI_GRO_CB(skb)->csum = csum_add(NAPI_GRO_CB(skb)->csum, delta);
- grc->offset = (ptr + offset) - (void *)skb->head;
+ grc->offset = off + hdrlen + offset;
grc->delta = delta;
+
+ return ptr;
}
static inline void skb_gro_remcsum_cleanup(struct sk_buff *skb,
struct gro_remcsum *grc)
{
+ void *ptr;
+ size_t plen = grc->offset + sizeof(u16);
+
if (!grc->delta)
return;
- remcsum_unadjust((__sum16 *)(skb->head + grc->offset), grc->delta);
+ ptr = skb_gro_header_fast(skb, grc->offset);
+ if (skb_gro_header_hard(skb, grc->offset + sizeof(u16))) {
+ ptr = skb_gro_header_slow(skb, plen, grc->offset);
+ if (!ptr)
+ return;
+ }
+
+ remcsum_unadjust((__sum16 *)ptr, grc->delta);
}
static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,
@@ -2549,10 +2613,6 @@ static inline void netif_tx_wake_all_queues(struct net_device *dev)
static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue)
{
- if (WARN_ON(!dev_queue)) {
- pr_info("netif_stop_queue() cannot be called before register_netdev()\n");
- return;
- }
set_bit(__QUEUE_STATE_DRV_XOFF, &dev_queue->state);
}
@@ -2568,15 +2628,7 @@ static inline void netif_stop_queue(struct net_device *dev)
netif_tx_stop_queue(netdev_get_tx_queue(dev, 0));
}
-static inline void netif_tx_stop_all_queues(struct net_device *dev)
-{
- unsigned int i;
-
- for (i = 0; i < dev->num_tx_queues; i++) {
- struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
- netif_tx_stop_queue(txq);
- }
-}
+void netif_tx_stop_all_queues(struct net_device *dev);
static inline bool netif_tx_queue_stopped(const struct netdev_queue *dev_queue)
{
@@ -2837,6 +2889,9 @@ static inline int netif_set_xps_queue(struct net_device *dev,
}
#endif
+u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb,
+ unsigned int num_tx_queues);
+
/*
* Returns a Tx hash for the given packet when dev->real_num_tx_queues is used
* as a distribution range limit for the returned value.
@@ -2976,6 +3031,7 @@ int dev_get_phys_port_id(struct net_device *dev,
struct netdev_phys_item_id *ppid);
int dev_get_phys_port_name(struct net_device *dev,
char *name, size_t len);
+int dev_change_proto_down(struct net_device *dev, bool proto_down);
struct sk_buff *validate_xmit_skb_list(struct sk_buff *skb, struct net_device *dev);
struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq, int *ret);
@@ -3775,6 +3831,42 @@ static inline bool netif_supports_nofcs(struct net_device *dev)
return dev->priv_flags & IFF_SUPP_NOFCS;
}
+static inline bool netif_is_vrf(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_VRF_MASTER;
+}
+
+static inline bool netif_is_bridge_master(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_EBRIDGE;
+}
+
+static inline bool netif_is_ovs_master(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_OPENVSWITCH;
+}
+
+static inline bool netif_index_is_vrf(struct net *net, int ifindex)
+{
+ bool rc = false;
+
+#if IS_ENABLED(CONFIG_NET_VRF)
+ struct net_device *dev;
+
+ if (ifindex == 0)
+ return false;
+
+ rcu_read_lock();
+
+ dev = dev_get_by_index_rcu(net, ifindex);
+ if (dev)
+ rc = netif_is_vrf(dev);
+
+ rcu_read_unlock();
+#endif
+ return rc;
+}
+
/* This device needs to keep skb dst for qdisc enqueue or ndo_start_xmit() */
static inline void netif_keep_dst(struct net_device *dev)
{
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