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-rw-r--r--include/linux/netdevice.h91
1 files changed, 79 insertions, 12 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e8d79d4ebcfe..bf04a46f6d5b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -52,6 +52,7 @@
#include <uapi/linux/netdevice.h>
#include <uapi/linux/if_bonding.h>
#include <uapi/linux/pkt_cls.h>
+#include <linux/hashtable.h>
struct netpoll_info;
struct device;
@@ -788,6 +789,7 @@ enum {
TC_SETUP_CLSU32,
TC_SETUP_CLSFLOWER,
TC_SETUP_MATCHALL,
+ TC_SETUP_CLSBPF,
};
struct tc_cls_u32_offload;
@@ -799,6 +801,7 @@ struct tc_to_netdev {
struct tc_cls_u32_offload *cls_u32;
struct tc_cls_flower_offload *cls_flower;
struct tc_cls_matchall_offload *cls_mall;
+ struct tc_cls_bpf_offload *cls_bpf;
};
};
@@ -923,6 +926,14 @@ struct netdev_xdp {
* 3. Update dev->stats asynchronously and atomically, and define
* neither operation.
*
+ * bool (*ndo_has_offload_stats)(int attr_id)
+ * Return true if this device supports offload stats of this attr_id.
+ *
+ * int (*ndo_get_offload_stats)(int attr_id, const struct net_device *dev,
+ * void *attr_data)
+ * Get statistics for offload operations by attr_id. Write it into the
+ * attr_data pointer.
+ *
* int (*ndo_vlan_rx_add_vid)(struct net_device *dev, __be16 proto, u16 vid);
* If device supports VLAN filtering this function is called when a
* VLAN id is registered.
@@ -935,7 +946,8 @@ struct netdev_xdp {
*
* SR-IOV management functions.
* int (*ndo_set_vf_mac)(struct net_device *dev, int vf, u8* mac);
- * int (*ndo_set_vf_vlan)(struct net_device *dev, int vf, u16 vlan, u8 qos);
+ * int (*ndo_set_vf_vlan)(struct net_device *dev, int vf, u16 vlan,
+ * u8 qos, __be16 proto);
* int (*ndo_set_vf_rate)(struct net_device *dev, int vf, int min_tx_rate,
* int max_tx_rate);
* int (*ndo_set_vf_spoofchk)(struct net_device *dev, int vf, bool setting);
@@ -1030,7 +1042,7 @@ struct netdev_xdp {
* Deletes the FDB entry from dev coresponding to addr.
* int (*ndo_fdb_dump)(struct sk_buff *skb, struct netlink_callback *cb,
* struct net_device *dev, struct net_device *filter_dev,
- * int idx)
+ * int *idx)
* Used to add FDB entries to dump requests. Implementers should add
* entries to skb and update idx with the number of entries.
*
@@ -1154,6 +1166,10 @@ struct net_device_ops {
struct rtnl_link_stats64* (*ndo_get_stats64)(struct net_device *dev,
struct rtnl_link_stats64 *storage);
+ bool (*ndo_has_offload_stats)(int attr_id);
+ int (*ndo_get_offload_stats)(int attr_id,
+ const struct net_device *dev,
+ void *attr_data);
struct net_device_stats* (*ndo_get_stats)(struct net_device *dev);
int (*ndo_vlan_rx_add_vid)(struct net_device *dev,
@@ -1172,7 +1188,8 @@ struct net_device_ops {
int (*ndo_set_vf_mac)(struct net_device *dev,
int queue, u8 *mac);
int (*ndo_set_vf_vlan)(struct net_device *dev,
- int queue, u16 vlan, u8 qos);
+ int queue, u16 vlan,
+ u8 qos, __be16 proto);
int (*ndo_set_vf_rate)(struct net_device *dev,
int vf, int min_tx_rate,
int max_tx_rate);
@@ -1262,7 +1279,7 @@ struct net_device_ops {
struct netlink_callback *cb,
struct net_device *dev,
struct net_device *filter_dev,
- int idx);
+ int *idx);
int (*ndo_bridge_setlink)(struct net_device *dev,
struct nlmsghdr *nlh,
@@ -1561,8 +1578,6 @@ enum netdev_priv_flags {
*
* @xps_maps: XXX: need comments on this one
*
- * @offload_fwd_mark: Offload device fwding mark
- *
* @watchdog_timeo: Represents the timeout that is used by
* the watchdog (see dev_watchdog())
* @watchdog_timer: List of timers
@@ -1784,7 +1799,7 @@ struct net_device {
#endif
struct netdev_queue __rcu *ingress_queue;
#ifdef CONFIG_NETFILTER_INGRESS
- struct list_head nf_hooks_ingress;
+ struct nf_hook_entry __rcu *nf_hooks_ingress;
#endif
unsigned char broadcast[MAX_ADDR_LEN];
@@ -1800,6 +1815,9 @@ struct net_device {
unsigned int num_tx_queues;
unsigned int real_num_tx_queues;
struct Qdisc *qdisc;
+#ifdef CONFIG_NET_SCHED
+ DECLARE_HASHTABLE (qdisc_hash, 4);
+#endif
unsigned long tx_queue_len;
spinlock_t tx_global_lock;
int watchdog_timeo;
@@ -1810,9 +1828,6 @@ struct net_device {
#ifdef CONFIG_NET_CLS_ACT
struct tcf_proto __rcu *egress_cl_list;
#endif
-#ifdef CONFIG_NET_SWITCHDEV
- u32 offload_fwd_mark;
-#endif
/* These may be needed for future network-power-down code. */
struct timer_list watchdog_timer;
@@ -2154,7 +2169,10 @@ struct napi_gro_cb {
/* Used to determine if flush_id can be ignored */
u8 is_atomic:1;
- /* 5 bit hole */
+ /* Number of gro_receive callbacks this packet already went through */
+ u8 recursion_counter:4;
+
+ /* 1 bit hole */
/* used to support CHECKSUM_COMPLETE for tunneling protocols */
__wsum csum;
@@ -2165,6 +2183,40 @@ struct napi_gro_cb {
#define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb)
+#define GRO_RECURSION_LIMIT 15
+static inline int gro_recursion_inc_test(struct sk_buff *skb)
+{
+ return ++NAPI_GRO_CB(skb)->recursion_counter == GRO_RECURSION_LIMIT;
+}
+
+typedef struct sk_buff **(*gro_receive_t)(struct sk_buff **, struct sk_buff *);
+static inline struct sk_buff **call_gro_receive(gro_receive_t cb,
+ struct sk_buff **head,
+ struct sk_buff *skb)
+{
+ if (unlikely(gro_recursion_inc_test(skb))) {
+ NAPI_GRO_CB(skb)->flush |= 1;
+ return NULL;
+ }
+
+ return cb(head, skb);
+}
+
+typedef struct sk_buff **(*gro_receive_sk_t)(struct sock *, struct sk_buff **,
+ struct sk_buff *);
+static inline struct sk_buff **call_gro_receive_sk(gro_receive_sk_t cb,
+ struct sock *sk,
+ struct sk_buff **head,
+ struct sk_buff *skb)
+{
+ if (unlikely(gro_recursion_inc_test(skb))) {
+ NAPI_GRO_CB(skb)->flush |= 1;
+ return NULL;
+ }
+
+ return cb(sk, head, skb);
+}
+
struct packet_type {
__be16 type; /* This is really htons(ether_type). */
struct net_device *dev; /* NULL is wildcarded here */
@@ -3302,6 +3354,21 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
bool is_skb_forwardable(const struct net_device *dev,
const struct sk_buff *skb);
+static __always_inline int ____dev_forward_skb(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ if (skb_orphan_frags(skb, GFP_ATOMIC) ||
+ unlikely(!is_skb_forwardable(dev, skb))) {
+ atomic_long_inc(&dev->rx_dropped);
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+
+ skb_scrub_packet(skb, true);
+ skb->priority = 0;
+ return 0;
+}
+
void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev);
extern int netdev_budget;
@@ -3862,7 +3929,7 @@ struct net_device *netdev_all_lower_get_next_rcu(struct net_device *dev,
ldev = netdev_all_lower_get_next(dev, &(iter)))
#define netdev_for_each_all_lower_dev_rcu(dev, ldev, iter) \
- for (iter = (dev)->all_adj_list.lower.next, \
+ for (iter = &(dev)->all_adj_list.lower, \
ldev = netdev_all_lower_get_next_rcu(dev, &(iter)); \
ldev; \
ldev = netdev_all_lower_get_next_rcu(dev, &(iter)))
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