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-rw-r--r--include/net/6lowpan.h16
-rw-r--r--include/net/act_api.h28
-rw-r--r--include/net/addrconf.h10
-rw-r--r--include/net/cfg80211.h81
-rw-r--r--include/net/codel_qdisc.h1
-rw-r--r--include/net/dsa.h56
-rw-r--r--include/net/fib_rules.h24
-rw-r--r--include/net/gen_stats.h12
-rw-r--r--include/net/geneve.h9
-rw-r--r--include/net/ip6_route.h23
-rw-r--r--include/net/ip_tunnels.h2
-rw-r--r--include/net/l3mdev.h60
-rw-r--r--include/net/mac80211.h18
-rw-r--r--include/net/ndisc.h248
-rw-r--r--include/net/pkt_sched.h4
-rw-r--r--include/net/sch_generic.h158
-rw-r--r--include/net/sctp/sctp.h4
-rw-r--r--include/net/sctp/structs.h5
-rw-r--r--include/net/tc_act/tc_defact.h4
-rw-r--r--include/net/tcp.h2
-rw-r--r--include/net/udp.h4
-rw-r--r--include/net/udp_tunnel.h42
-rw-r--r--include/net/vxlan.h13
23 files changed, 636 insertions, 188 deletions
diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h
index da84cf920b78..5ab4c9901ccc 100644
--- a/include/net/6lowpan.h
+++ b/include/net/6lowpan.h
@@ -141,6 +141,16 @@ struct lowpan_dev {
u8 priv[0] __aligned(sizeof(void *));
};
+struct lowpan_802154_neigh {
+ __le16 short_addr;
+};
+
+static inline
+struct lowpan_802154_neigh *lowpan_802154_neigh(void *neigh_priv)
+{
+ return neigh_priv;
+}
+
static inline
struct lowpan_dev *lowpan_dev(const struct net_device *dev)
{
@@ -244,6 +254,12 @@ static inline bool lowpan_fetch_skb(struct sk_buff *skb, void *data,
return false;
}
+static inline bool lowpan_802154_is_valid_src_short_addr(__le16 addr)
+{
+ /* First bit of addr is multicast, reserved or 802.15.4 specific */
+ return !(addr & cpu_to_le16(0x8000));
+}
+
static inline void lowpan_push_hc_data(u8 **hc_ptr, const void *data,
const size_t len)
{
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 9a9a8edc138f..fb82b5b5d9e7 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -2,8 +2,8 @@
#define __NET_ACT_API_H
/*
- * Public police action API for classifiers/qdiscs
- */
+ * Public action API for classifiers/qdiscs
+*/
#include <net/sch_generic.h>
#include <net/pkt_sched.h>
@@ -76,6 +76,16 @@ static inline void tcf_lastuse_update(struct tcf_t *tm)
if (tm->lastuse != now)
tm->lastuse = now;
+ if (unlikely(!tm->firstuse))
+ tm->firstuse = now;
+}
+
+static inline void tcf_tm_dump(struct tcf_t *dtm, const struct tcf_t *stm)
+{
+ dtm->install = jiffies_to_clock_t(jiffies - stm->install);
+ dtm->lastuse = jiffies_to_clock_t(jiffies - stm->lastuse);
+ dtm->firstuse = jiffies_to_clock_t(jiffies - stm->firstuse);
+ dtm->expires = jiffies_to_clock_t(stm->expires);
}
struct tc_action {
@@ -97,7 +107,8 @@ struct tc_action_ops {
char kind[IFNAMSIZ];
__u32 type; /* TBD to match kind */
struct module *owner;
- int (*act)(struct sk_buff *, const struct tc_action *, struct tcf_result *);
+ int (*act)(struct sk_buff *, const struct tc_action *,
+ struct tcf_result *);
int (*dump)(struct sk_buff *, struct tc_action *, int, int);
void (*cleanup)(struct tc_action *, int bind);
int (*lookup)(struct net *, struct tc_action *, u32);
@@ -115,8 +126,8 @@ struct tc_action_net {
};
static inline
-int tc_action_net_init(struct tc_action_net *tn, const struct tc_action_ops *ops,
- unsigned int mask)
+int tc_action_net_init(struct tc_action_net *tn,
+ const struct tc_action_ops *ops, unsigned int mask)
{
int err = 0;
@@ -144,8 +155,8 @@ int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
struct tc_action *a);
int tcf_hash_search(struct tc_action_net *tn, struct tc_action *a, u32 index);
u32 tcf_hash_new_index(struct tc_action_net *tn);
-int tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action *a,
- int bind);
+bool tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action *a,
+ int bind);
int tcf_hash_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
struct tc_action *a, int size, int bind, bool cpustats);
void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est);
@@ -159,7 +170,8 @@ static inline int tcf_hash_release(struct tc_action *a, bool bind)
}
int tcf_register_action(struct tc_action_ops *a, struct pernet_operations *ops);
-int tcf_unregister_action(struct tc_action_ops *a, struct pernet_operations *ops);
+int tcf_unregister_action(struct tc_action_ops *a,
+ struct pernet_operations *ops);
int tcf_action_destroy(struct list_head *actions, int bind);
int tcf_action_exec(struct sk_buff *skb, const struct list_head *actions,
struct tcf_result *res);
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 730d856683e5..9826d3a9464c 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -94,6 +94,16 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2,
void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr);
void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);
+void addrconf_add_linklocal(struct inet6_dev *idev,
+ const struct in6_addr *addr, u32 flags);
+
+int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
+ const struct prefix_info *pinfo,
+ struct inet6_dev *in6_dev,
+ const struct in6_addr *addr, int addr_type,
+ u32 addr_flags, bool sllao, bool tokenized,
+ __u32 valid_lft, u32 prefered_lft);
+
static inline int addrconf_ifid_eui48(u8 *eui, struct net_device *dev)
{
if (dev->addr_len != ETH_ALEN)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 63921672bed0..7bbb00d8b2cd 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2367,19 +2367,23 @@ struct cfg80211_qos_map {
* (invoked with the wireless_dev mutex held)
*
* @connect: Connect to the ESS with the specified parameters. When connected,
- * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
- * If the connection fails for some reason, call cfg80211_connect_result()
- * with the status from the AP. The driver is allowed to roam to other
- * BSSes within the ESS when the other BSS matches the connect parameters.
- * When such roaming is initiated by the driver, the driver is expected to
- * verify that the target matches the configured security parameters and
- * to use Reassociation Request frame instead of Association Request frame.
- * The connect function can also be used to request the driver to perform
- * a specific roam when connected to an ESS. In that case, the prev_bssid
+ * call cfg80211_connect_result()/cfg80211_connect_bss() with status code
+ * %WLAN_STATUS_SUCCESS. If the connection fails for some reason, call
+ * cfg80211_connect_result()/cfg80211_connect_bss() with the status code
+ * from the AP or cfg80211_connect_timeout() if no frame with status code
+ * was received.
+ * The driver is allowed to roam to other BSSes within the ESS when the
+ * other BSS matches the connect parameters. When such roaming is initiated
+ * by the driver, the driver is expected to verify that the target matches
+ * the configured security parameters and to use Reassociation Request
+ * frame instead of Association Request frame.
+ * The connect function can also be used to request the driver to perform a
+ * specific roam when connected to an ESS. In that case, the prev_bssid
* parameter is set to the BSSID of the currently associated BSS as an
- * indication of requesting reassociation. In both the driver-initiated and
- * new connect() call initiated roaming cases, the result of roaming is
- * indicated with a call to cfg80211_roamed() or cfg80211_roamed_bss().
+ * indication of requesting reassociation.
+ * In both the driver-initiated and new connect() call initiated roaming
+ * cases, the result of roaming is indicated with a call to
+ * cfg80211_roamed() or cfg80211_roamed_bss().
* (invoked with the wireless_dev mutex held)
* @disconnect: Disconnect from the BSS/ESS.
* (invoked with the wireless_dev mutex held)
@@ -3080,6 +3084,24 @@ struct wiphy_vendor_command {
};
/**
+ * struct wiphy_iftype_ext_capab - extended capabilities per interface type
+ * @iftype: interface type
+ * @extended_capabilities: extended capabilities supported by the driver,
+ * additional capabilities might be supported by userspace; these are the
+ * 802.11 extended capabilities ("Extended Capabilities element") and are
+ * in the same format as in the information element. See IEEE Std
+ * 802.11-2012 8.4.2.29 for the defined fields.
+ * @extended_capabilities_mask: mask of the valid values
+ * @extended_capabilities_len: length of the extended capabilities
+ */
+struct wiphy_iftype_ext_capab {
+ enum nl80211_iftype iftype;
+ const u8 *extended_capabilities;
+ const u8 *extended_capabilities_mask;
+ u8 extended_capabilities_len;
+};
+
+/**
* struct wiphy - wireless hardware description
* @reg_notifier: the driver's regulatory notification callback,
* note that if your driver uses wiphy_apply_custom_regulatory()
@@ -3199,9 +3221,14 @@ struct wiphy_vendor_command {
* additional capabilities might be supported by userspace; these are
* the 802.11 extended capabilities ("Extended Capabilities element")
* and are in the same format as in the information element. See
- * 802.11-2012 8.4.2.29 for the defined fields.
+ * 802.11-2012 8.4.2.29 for the defined fields. These are the default
+ * extended capabilities to be used if the capabilities are not specified
+ * for a specific interface type in iftype_ext_capab.
* @extended_capabilities_mask: mask of the valid values
* @extended_capabilities_len: length of the extended capabilities
+ * @iftype_ext_capab: array of extended capabilities per interface type
+ * @num_iftype_ext_capab: number of interface types for which extended
+ * capabilities are specified separately.
* @coalesce: packet coalescing support information
*
* @vendor_commands: array of vendor commands supported by the hardware
@@ -3301,6 +3328,9 @@ struct wiphy {
const u8 *extended_capabilities, *extended_capabilities_mask;
u8 extended_capabilities_len;
+ const struct wiphy_iftype_ext_capab *iftype_ext_capab;
+ unsigned int num_iftype_ext_capab;
+
/* If multiple wiphys are registered and you're handed e.g.
* a regular netdev with assigned ieee80211_ptr, you won't
* know whether it points to a wiphy your driver has registered
@@ -4680,7 +4710,7 @@ static inline void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
void cfg80211_connect_bss(struct net_device *dev, const u8 *bssid,
struct cfg80211_bss *bss, const u8 *req_ie,
size_t req_ie_len, const u8 *resp_ie,
- size_t resp_ie_len, u16 status, gfp_t gfp);
+ size_t resp_ie_len, int status, gfp_t gfp);
/**
* cfg80211_connect_result - notify cfg80211 of connection result
@@ -4710,6 +4740,29 @@ cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
}
/**
+ * cfg80211_connect_timeout - notify cfg80211 of connection timeout
+ *
+ * @dev: network device
+ * @bssid: the BSSID of the AP
+ * @req_ie: association request IEs (maybe be %NULL)
+ * @req_ie_len: association request IEs length
+ * @gfp: allocation flags
+ *
+ * It should be called by the underlying driver whenever connect() has failed
+ * in a sequence where no explicit authentication/association rejection was
+ * received from the AP. This could happen, e.g., due to not being able to send
+ * out the Authentication or Association Request frame or timing out while
+ * waiting for the response.
+ */
+static inline void
+cfg80211_connect_timeout(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len, gfp_t gfp)
+{
+ cfg80211_connect_bss(dev, bssid, NULL, req_ie, req_ie_len, NULL, 0, -1,
+ gfp);
+}
+
+/**
* cfg80211_roamed - notify cfg80211 of roaming
*
* @dev: network device
diff --git a/include/net/codel_qdisc.h b/include/net/codel_qdisc.h
index 8144d9cd2908..098630f83a55 100644
--- a/include/net/codel_qdisc.h
+++ b/include/net/codel_qdisc.h
@@ -52,6 +52,7 @@
/* Qdiscs using codel plugin must use codel_skb_cb in their own cb[] */
struct codel_skb_cb {
codel_time_t enqueue_time;
+ unsigned int mem_usage;
};
static struct codel_skb_cb *get_codel_cb(const struct sk_buff *skb)
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 17c3d37b6779..20b3087ad193 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -26,6 +26,7 @@ enum dsa_tag_protocol {
DSA_TAG_PROTO_TRAILER,
DSA_TAG_PROTO_EDSA,
DSA_TAG_PROTO_BRCM,
+ DSA_TAG_LAST, /* MUST BE LAST */
};
#define DSA_MAX_SWITCHES 4
@@ -58,12 +59,11 @@ struct dsa_chip_data {
struct device_node *port_dn[DSA_MAX_PORTS];
/*
- * An array (with nr_chips elements) of which element [a]
- * indicates which port on this switch should be used to
- * send packets to that are destined for switch a. Can be
- * NULL if there is only one switch chip.
+ * An array of which element [a] indicates which port on this
+ * switch should be used to send packets to that are destined
+ * for switch a. Can be NULL if there is only one switch chip.
*/
- s8 *rtable;
+ s8 rtable[DSA_MAX_SWITCHES];
};
struct dsa_platform_data {
@@ -85,6 +85,17 @@ struct dsa_platform_data {
struct packet_type;
struct dsa_switch_tree {
+ struct list_head list;
+
+ /* Tree identifier */
+ u32 tree;
+
+ /* Number of switches attached to this tree */
+ struct kref refcount;
+
+ /* Has this tree been applied to the hardware? */
+ bool applied;
+
/*
* Configuration data for the platform device that owns
* this dsa switch tree instance.
@@ -100,12 +111,12 @@ struct dsa_switch_tree {
struct net_device *dev,
struct packet_type *pt,
struct net_device *orig_dev);
- enum dsa_tag_protocol tag_protocol;
/*
* Original copy of the master netdev ethtool_ops
*/
struct ethtool_ops master_ethtool_ops;
+ const struct ethtool_ops *master_orig_ethtool_ops;
/*
* The switch and port to which the CPU is attached.
@@ -117,6 +128,17 @@ struct dsa_switch_tree {
* Data for the individual switch chips.
*/
struct dsa_switch *ds[DSA_MAX_SWITCHES];
+
+ /*
+ * Tagging protocol operations for adding and removing an
+ * encapsulation tag.
+ */
+ const struct dsa_device_ops *tag_ops;
+};
+
+struct dsa_port {
+ struct net_device *netdev;
+ struct device_node *dn;
};
struct dsa_switch {
@@ -144,6 +166,13 @@ struct dsa_switch {
*/
struct dsa_switch_driver *drv;
+ /*
+ * An array of which element [a] indicates which port on this
+ * switch should be used to send packets to that are destined
+ * for switch a. Can be NULL if there is only one switch chip.
+ */
+ s8 rtable[DSA_MAX_SWITCHES];
+
#ifdef CONFIG_NET_DSA_HWMON
/*
* Hardware monitoring information
@@ -153,13 +182,19 @@ struct dsa_switch {
#endif
/*
+ * The lower device this switch uses to talk to the host
+ */
+ struct net_device *master_netdev;
+
+ /*
* Slave mii_bus and devices for the individual ports.
*/
u32 dsa_port_mask;
+ u32 cpu_port_mask;
u32 enabled_port_mask;
u32 phys_mii_mask;
+ struct dsa_port ports[DSA_MAX_PORTS];
struct mii_bus *slave_mii_bus;
- struct net_device *ports[DSA_MAX_PORTS];
};
static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
@@ -174,7 +209,7 @@ static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p)
{
- return ds->enabled_port_mask & (1 << p) && ds->ports[p];
+ return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev;
}
static inline u8 dsa_upstream_port(struct dsa_switch *ds)
@@ -190,7 +225,7 @@ static inline u8 dsa_upstream_port(struct dsa_switch *ds)
if (dst->cpu_switch == ds->index)
return dst->cpu_port;
else
- return ds->cd->rtable[dst->cpu_switch];
+ return ds->rtable[dst->cpu_switch];
}
struct switchdev_trans;
@@ -344,4 +379,7 @@ static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)
{
return dst->rcv != NULL;
}
+
+void dsa_unregister_switch(struct dsa_switch *ds);
+int dsa_register_switch(struct dsa_switch *ds, struct device_node *np);
#endif
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 59160de702b6..456e4a6006ab 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -17,7 +17,8 @@ struct fib_rule {
u32 flags;
u32 table;
u8 action;
- /* 3 bytes hole, try to use */
+ u8 l3mdev;
+ /* 2 bytes hole, try to use */
u32 target;
__be64 tun_id;
struct fib_rule __rcu *ctarget;
@@ -36,6 +37,7 @@ struct fib_lookup_arg {
void *lookup_ptr;
void *result;
struct fib_rule *rule;
+ u32 table;
int flags;
#define FIB_LOOKUP_NOREF 1
#define FIB_LOOKUP_IGNORE_LINKSTATE 2
@@ -89,7 +91,8 @@ struct fib_rules_ops {
[FRA_TABLE] = { .type = NLA_U32 }, \
[FRA_SUPPRESS_PREFIXLEN] = { .type = NLA_U32 }, \
[FRA_SUPPRESS_IFGROUP] = { .type = NLA_U32 }, \
- [FRA_GOTO] = { .type = NLA_U32 }
+ [FRA_GOTO] = { .type = NLA_U32 }, \
+ [FRA_L3MDEV] = { .type = NLA_U8 }
static inline void fib_rule_get(struct fib_rule *rule)
{
@@ -102,6 +105,20 @@ static inline void fib_rule_put(struct fib_rule *rule)
kfree_rcu(rule, rcu);
}
+#ifdef CONFIG_NET_L3_MASTER_DEV
+static inline u32 fib_rule_get_table(struct fib_rule *rule,
+ struct fib_lookup_arg *arg)
+{
+ return rule->l3mdev ? arg->table : rule->table;
+}
+#else
+static inline u32 fib_rule_get_table(struct fib_rule *rule,
+ struct fib_lookup_arg *arg)
+{
+ return rule->table;
+}
+#endif
+
static inline u32 frh_get_table(struct fib_rule_hdr *frh, struct nlattr **nla)
{
if (nla[FRA_TABLE])
@@ -117,4 +134,7 @@ int fib_rules_lookup(struct fib_rules_ops *, struct flowi *, int flags,
struct fib_lookup_arg *);
int fib_default_rule_add(struct fib_rules_ops *, u32 pref, u32 table,
u32 flags);
+
+int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh);
+int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr *nlh);
#endif
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index 610cd397890e..231e121cc7d9 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h
@@ -33,10 +33,12 @@ int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
spinlock_t *lock, struct gnet_dump *d,
int padattr);
-int gnet_stats_copy_basic(struct gnet_dump *d,
+int gnet_stats_copy_basic(const seqcount_t *running,
+ struct gnet_dump *d,
struct gnet_stats_basic_cpu __percpu *cpu,
struct gnet_stats_basic_packed *b);
-void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats,
+void __gnet_stats_copy_basic(const seqcount_t *running,
+ struct gnet_stats_basic_packed *bstats,
struct gnet_stats_basic_cpu __percpu *cpu,
struct gnet_stats_basic_packed *b);
int gnet_stats_copy_rate_est(struct gnet_dump *d,
@@ -52,13 +54,15 @@ int gnet_stats_finish_copy(struct gnet_dump *d);
int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
struct gnet_stats_basic_cpu __percpu *cpu_bstats,
struct gnet_stats_rate_est64 *rate_est,
- spinlock_t *stats_lock, struct nlattr *opt);
+ spinlock_t *stats_lock,
+ seqcount_t *running, struct nlattr *opt);
void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
struct gnet_stats_rate_est64 *rate_est);
int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
struct gnet_stats_basic_cpu __percpu *cpu_bstats,
struct gnet_stats_rate_est64 *rate_est,
- spinlock_t *stats_lock, struct nlattr *opt);
+ spinlock_t *stats_lock,
+ seqcount_t *running, struct nlattr *opt);
bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
const struct gnet_stats_rate_est64 *rate_est);
#endif
diff --git a/include/net/geneve.h b/include/net/geneve.h
index cb544a530146..ec0327d4331b 100644
--- a/include/net/geneve.h
+++ b/include/net/geneve.h
@@ -1,10 +1,7 @@
#ifndef __NET_GENEVE_H
#define __NET_GENEVE_H 1
-#ifdef CONFIG_INET
#include <net/udp_tunnel.h>
-#endif
-
/* Geneve Header:
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
@@ -62,12 +59,6 @@ struct genevehdr {
struct geneve_opt options[];
};
-static inline void geneve_get_rx_port(struct net_device *netdev)
-{
- ASSERT_RTNL();
- call_netdevice_notifiers(NETDEV_OFFLOAD_PUSH_GENEVE, netdev);
-}
-
#ifdef CONFIG_INET
struct net_device *geneve_dev_create_fb(struct net *net, const char *name,
u8 name_assign_type, u16 dst_port);
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 54c779416eec..d97305d0e71f 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -18,6 +18,7 @@ struct route_info {
__u8 prefix[0]; /* 0,8 or 16 */
};
+#include <net/addrconf.h>
#include <net/flow.h>
#include <net/ip6_fib.h>
#include <net/sock.h>
@@ -76,6 +77,8 @@ static inline struct dst_entry *ip6_route_output(struct net *net,
struct dst_entry *ip6_route_lookup(struct net *net, struct flowi6 *fl6,
int flags);
+struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,
+ int ifindex, struct flowi6 *fl6, int flags);
int ip6_route_init(void);
void ip6_route_cleanup(void);
@@ -86,9 +89,23 @@ int ip6_route_add(struct fib6_config *cfg);
int ip6_ins_rt(struct rt6_info *);
int ip6_del_rt(struct rt6_info *);
-int ip6_route_get_saddr(struct net *net, struct rt6_info *rt,
- const struct in6_addr *daddr, unsigned int prefs,
- struct in6_addr *saddr);
+static inline int ip6_route_get_saddr(struct net *net, struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+ struct in6_addr *saddr)
+{
+ struct inet6_dev *idev =
+ rt ? ip6_dst_idev((struct dst_entry *)rt) : NULL;
+ int err = 0;
+
+ if (rt && rt->rt6i_prefsrc.plen)
+ *saddr = rt->rt6i_prefsrc.addr;
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+ daddr, prefs, saddr);
+
+ return err;
+}
struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
const struct in6_addr *saddr, int oif, int flags);
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index dbf444428437..a5e7035fb93f 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -132,6 +132,7 @@ struct ip_tunnel {
int ip_tnl_net_id;
struct gro_cells gro_cells;
bool collect_md;
+ bool ignore_df;
};
#define TUNNEL_CSUM __cpu_to_be16(0x01)
@@ -156,6 +157,7 @@ struct tnl_ptk_info {
__be16 proto;
__be32 key;
__be32 seq;
+ int hdr_len;
};
#define PACKET_RCVD 0
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
index 374388dc01c8..e90095091aa0 100644
--- a/include/net/l3mdev.h
+++ b/include/net/l3mdev.h
@@ -11,6 +11,8 @@
#ifndef _NET_L3MDEV_H_
#define _NET_L3MDEV_H_
+#include <net/fib_rules.h>
+
/**
* struct l3mdev_ops - l3mdev operations
*
@@ -36,11 +38,17 @@ struct l3mdev_ops {
/* IPv6 ops */
struct dst_entry * (*l3mdev_get_rt6_dst)(const struct net_device *dev,
- const struct flowi6 *fl6);
+ struct flowi6 *fl6);
+ int (*l3mdev_get_saddr6)(struct net_device *dev,
+ const struct sock *sk,
+ struct flowi6 *fl6);
};
#ifdef CONFIG_NET_L3_MASTER_DEV
+int l3mdev_fib_rule_match(struct net *net, struct flowi *fl,
+ struct fib_lookup_arg *arg);
+
int l3mdev_master_ifindex_rcu(const struct net_device *dev);
static inline int l3mdev_master_ifindex(struct net_device *dev)
{
@@ -71,6 +79,31 @@ static inline int l3mdev_master_ifindex_by_index(struct net *net, int ifindex)
return rc;
}
+static inline
+const struct net_device *l3mdev_master_dev_rcu(const struct net_device *_dev)
+{
+ /* netdev_master_upper_dev_get_rcu calls
+ * list_first_or_null_rcu to walk the upper dev list.
+ * list_first_or_null_rcu does not handle a const arg. We aren't
+ * making changes, just want the master device from that list so
+ * typecast to remove the const
+ */
+ struct net_device *dev = (struct net_device *)_dev;
+ const struct net_device *master;
+
+ if (!dev)
+ return NULL;
+
+ if (netif_is_l3_master(dev))
+ master = dev;
+ else if (netif_is_l3_slave(dev))
+ master = netdev_master_upper_dev_get_rcu(dev);
+ else
+ master = NULL;
+
+ return master;
+}
+
/* get index of an interface to use for FIB lookups. For devices
* enslaved to an L3 master device FIB lookups are based on the
* master index
@@ -134,7 +167,9 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
int l3mdev_get_saddr(struct net *net, int ifindex, struct flowi4 *fl4);
-struct dst_entry *l3mdev_get_rt6_dst(struct net *net, const struct flowi6 *fl6);
+struct dst_entry *l3mdev_get_rt6_dst(struct net *net, struct flowi6 *fl6);
+int l3mdev_get_saddr6(struct net *net, const struct sock *sk,
+ struct flowi6 *fl6);
static inline
struct sk_buff *l3mdev_l3_rcv(struct sk_buff *skb, u16 proto)
@@ -180,6 +215,12 @@ static inline int l3mdev_master_ifindex_by_index(struct net *net, int ifindex)
return 0;
}
+static inline
+const struct net_device *l3mdev_master_dev_rcu(const struct net_device *dev)
+{
+ return NULL;
+}
+
static inline int l3mdev_fib_oif_rcu(struct net_device *dev)
{
return dev ? dev->ifindex : 0;
@@ -220,11 +261,17 @@ static inline int l3mdev_get_saddr(struct net *net, int ifindex,
}
static inline
-struct dst_entry *l3mdev_get_rt6_dst(struct net *net, const struct flowi6 *fl6)
+struct dst_entry *l3mdev_get_rt6_dst(struct net *net, struct flowi6 *fl6)
{
return NULL;
}
+static inline int l3mdev_get_saddr6(struct net *net, const struct sock *sk,
+ struct flowi6 *fl6)
+{
+ return 0;
+}
+
static inline
struct sk_buff *l3mdev_ip_rcv(struct sk_buff *skb)
{
@@ -236,6 +283,13 @@ struct sk_buff *l3mdev_ip6_rcv(struct sk_buff *skb)
{
return skb;
}
+
+static inline
+int l3mdev_fib_rule_match(struct net *net, struct flowi *fl,
+ struct fib_lookup_arg *arg)
+{
+ return 1;
+}
#endif
#endif /* _NET_L3MDEV_H_ */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index be30b0549b88..a52009ffc19f 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -21,6 +21,7 @@
#include <linux/skbuff.h>
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
+#include <net/codel.h>
#include <asm/unaligned.h>
/**
@@ -895,7 +896,18 @@ struct ieee80211_tx_info {
unsigned long jiffies;
};
/* NB: vif can be NULL for injected frames */
- struct ieee80211_vif *vif;
+ union {
+ /* NB: vif can be NULL for injected frames */
+ struct ieee80211_vif *vif;
+
+ /* When packets are enqueued on txq it's easy
+ * to re-construct the vif pointer. There's no
+ * more space in tx_info so it can be used to
+ * store the necessary enqueue time for packet
+ * sojourn time computation.
+ */
+ codel_time_t enqueue_time;
+ };
struct ieee80211_key_conf *hw_key;
u32 flags;
/* 4 bytes free */
@@ -2147,9 +2159,6 @@ enum ieee80211_hw_flags {
* @n_cipher_schemes: a size of an array of cipher schemes definitions.
* @cipher_schemes: a pointer to an array of cipher scheme definitions
* supported by HW.
- *
- * @txq_ac_max_pending: maximum number of frames per AC pending in all txq
- * entries for a vif.
*/
struct ieee80211_hw {
struct ieee80211_conf conf;
@@ -2180,7 +2189,6 @@ struct ieee80211_hw {
u8 uapsd_max_sp_len;
u8 n_cipher_schemes;
const struct ieee80211_cipher_scheme *cipher_schemes;
- int txq_ac_max_pending;
};
static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw,
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 2d8edaad29cb..be1fe2283254 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -35,6 +35,7 @@ enum {
ND_OPT_ROUTE_INFO = 24, /* RFC4191 */
ND_OPT_RDNSS = 25, /* RFC5006 */
ND_OPT_DNSSL = 31, /* RFC6106 */
+ ND_OPT_6CO = 34, /* RFC6775 */
__ND_OPT_MAX
};
@@ -53,11 +54,21 @@ enum {
#include <net/neighbour.h>
+/* Set to 3 to get tracing... */
+#define ND_DEBUG 1
+
+#define ND_PRINTK(val, level, fmt, ...) \
+do { \
+ if (val <= ND_DEBUG) \
+ net_##level##_ratelimited(fmt, ##__VA_ARGS__); \
+} while (0)
+
struct ctl_table;
struct inet6_dev;
struct net_device;
struct net_proto_family;
struct sk_buff;
+struct prefix_info;
extern struct neigh_table nd_tbl;
@@ -99,20 +110,201 @@ struct ndisc_options {
#endif
struct nd_opt_hdr *nd_useropts;
struct nd_opt_hdr *nd_useropts_end;
+#if IS_ENABLED(CONFIG_IEEE802154_6LOWPAN)
+ struct nd_opt_hdr *nd_802154_opt_array[ND_OPT_TARGET_LL_ADDR + 1];
+#endif
};
-#define nd_opts_src_lladdr nd_opt_array[ND_OPT_SOURCE_LL_ADDR]
-#define nd_opts_tgt_lladdr nd_opt_array[ND_OPT_TARGET_LL_ADDR]
-#define nd_opts_pi nd_opt_array[ND_OPT_PREFIX_INFO]
-#define nd_opts_pi_end nd_opt_array[__ND_OPT_PREFIX_INFO_END]
-#define nd_opts_rh nd_opt_array[ND_OPT_REDIRECT_HDR]
-#define nd_opts_mtu nd_opt_array[ND_OPT_MTU]
+#define nd_opts_src_lladdr nd_opt_array[ND_OPT_SOURCE_LL_ADDR]
+#define nd_opts_tgt_lladdr nd_opt_array[ND_OPT_TARGET_LL_ADDR]
+#define nd_opts_pi nd_opt_array[ND_OPT_PREFIX_INFO]
+#define nd_opts_pi_end nd_opt_array[__ND_OPT_PREFIX_INFO_END]
+#define nd_opts_rh nd_opt_array[ND_OPT_REDIRECT_HDR]
+#define nd_opts_mtu nd_opt_array[ND_OPT_MTU]
+#define nd_802154_opts_src_lladdr nd_802154_opt_array[ND_OPT_SOURCE_LL_ADDR]
+#define nd_802154_opts_tgt_lladdr nd_802154_opt_array[ND_OPT_TARGET_LL_ADDR]
#define NDISC_OPT_SPACE(len) (((len)+2+7)&~7)
-struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
+struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
+ u8 *opt, int opt_len,
struct ndisc_options *ndopts);
+void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
+ int data_len, int pad);
+
+#define NDISC_OPS_REDIRECT_DATA_SPACE 2
+
+/*
+ * This structure defines the hooks for IPv6 neighbour discovery.
+ * The following hooks can be defined; unless noted otherwise, they are
+ * optional and can be filled with a null pointer.
+ *
+ * int (*is_useropt)(u8 nd_opt_type):
+ * This function is called when IPv6 decide RA userspace options. if
+ * this function returns 1 then the option given by nd_opt_type will
+ * be handled as userspace option additional to the IPv6 options.
+ *
+ * int (*parse_options)(const struct net_device *dev,
+ * struct nd_opt_hdr *nd_opt,
+ * struct ndisc_options *ndopts):
+ * This function is called while parsing ndisc ops and put each position
+ * as pointer into ndopts. If this function return unequal 0, then this
+ * function took care about the ndisc option, if 0 then the IPv6 ndisc
+ * option parser will take care about that option.
+ *
+ * void (*update)(const struct net_device *dev, struct neighbour *n,
+ * u32 flags, u8 icmp6_type,
+ * const struct ndisc_options *ndopts):
+ * This function is called when IPv6 ndisc updates the neighbour cache
+ * entry. Additional options which can be updated may be previously
+ * parsed by parse_opts callback and accessible over ndopts parameter.
+ *
+ * int (*opt_addr_space)(const struct net_device *dev, u8 icmp6_type,
+ * struct neighbour *neigh, u8 *ha_buf,
+ * u8 **ha):
+ * This function is called when the necessary option space will be
+ * calculated before allocating a skb. The parameters neigh, ha_buf
+ * abd ha are available on NDISC_REDIRECT messages only.
+ *
+ * void (*fill_addr_option)(const struct net_device *dev,
+ * struct sk_buff *skb, u8 icmp6_type,
+ * const u8 *ha):
+ * This function is called when the skb will finally fill the option
+ * fields inside skb. NOTE: this callback should fill the option
+ * fields to the skb which are previously indicated by opt_space
+ * parameter. That means the decision to add such option should
+ * not lost between these two callbacks, e.g. protected by interface
+ * up state.
+ *
+ * void (*prefix_rcv_add_addr)(struct net *net, struct net_device *dev,
+ * const struct prefix_info *pinfo,
+ * struct inet6_dev *in6_dev,
+ * struct in6_addr *addr,
+ * int addr_type, u32 addr_flags,
+ * bool sllao, bool tokenized,
+ * __u32 valid_lft, u32 prefered_lft,
+ * bool dev_addr_generated):
+ * This function is called when a RA messages is received with valid
+ * PIO option fields and an IPv6 address will be added to the interface
+ * for autoconfiguration. The parameter dev_addr_generated reports about
+ * if the address was based on dev->dev_addr or not. This can be used
+ * to add a second address if link-layer operates with two link layer
+ * addresses. E.g. 802.15.4 6LoWPAN.
+ */
+struct ndisc_ops {
+ int (*is_useropt)(u8 nd_opt_type);
+ int (*parse_options)(const struct net_device *dev,
+ struct nd_opt_hdr *nd_opt,
+ struct ndisc_options *ndopts);
+ void (*update)(const struct net_device *dev, struct neighbour *n,
+ u32 flags, u8 icmp6_type,
+ const struct ndisc_options *ndopts);
+ int (*opt_addr_space)(const struct net_device *dev, u8 icmp6_type,
+ struct neighbour *neigh, u8 *ha_buf,
+ u8 **ha);
+ void (*fill_addr_option)(const struct net_device *dev,
+ struct sk_buff *skb, u8 icmp6_type,
+ const u8 *ha);
+ void (*prefix_rcv_add_addr)(struct net *net, struct net_device *dev,
+ const struct prefix_info *pinfo,
+ struct inet6_dev *in6_dev,
+ struct in6_addr *addr,
+ int addr_type, u32 addr_flags,
+ bool sllao, bool tokenized,
+ __u32 valid_lft, u32 prefered_lft,
+ bool dev_addr_generated);
+};
+
+#if IS_ENABLED(CONFIG_IPV6)
+static inline int ndisc_ops_is_useropt(const struct net_device *dev,
+ u8 nd_opt_type)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->is_useropt)
+ return dev->ndisc_ops->is_useropt(nd_opt_type);
+ else
+ return 0;
+}
+
+static inline int ndisc_ops_parse_options(const struct net_device *dev,
+ struct nd_opt_hdr *nd_opt,
+ struct ndisc_options *ndopts)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->parse_options)
+ return dev->ndisc_ops->parse_options(dev, nd_opt, ndopts);
+ else
+ return 0;
+}
+
+static inline void ndisc_ops_update(const struct net_device *dev,
+ struct neighbour *n, u32 flags,
+ u8 icmp6_type,
+ const struct ndisc_options *ndopts)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->update)
+ dev->ndisc_ops->update(dev, n, flags, icmp6_type, ndopts);
+}
+
+static inline int ndisc_ops_opt_addr_space(const struct net_device *dev,
+ u8 icmp6_type)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->opt_addr_space &&
+ icmp6_type != NDISC_REDIRECT)
+ return dev->ndisc_ops->opt_addr_space(dev, icmp6_type, NULL,
+ NULL, NULL);
+ else
+ return 0;
+}
+
+static inline int ndisc_ops_redirect_opt_addr_space(const struct net_device *dev,
+ struct neighbour *neigh,
+ u8 *ha_buf, u8 **ha)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->opt_addr_space)
+ return dev->ndisc_ops->opt_addr_space(dev, NDISC_REDIRECT,
+ neigh, ha_buf, ha);
+ else
+ return 0;
+}
+
+static inline void ndisc_ops_fill_addr_option(const struct net_device *dev,
+ struct sk_buff *skb,
+ u8 icmp6_type)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->fill_addr_option &&
+ icmp6_type != NDISC_REDIRECT)
+ dev->ndisc_ops->fill_addr_option(dev, skb, icmp6_type, NULL);
+}
+
+static inline void ndisc_ops_fill_redirect_addr_option(const struct net_device *dev,
+ struct sk_buff *skb,
+ const u8 *ha)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->fill_addr_option)
+ dev->ndisc_ops->fill_addr_option(dev, skb, NDISC_REDIRECT, ha);
+}
+
+static inline void ndisc_ops_prefix_rcv_add_addr(struct net *net,
+ struct net_device *dev,
+ const struct prefix_info *pinfo,
+ struct inet6_dev *in6_dev,
+ struct in6_addr *addr,
+ int addr_type, u32 addr_flags,
+ bool sllao, bool tokenized,
+ __u32 valid_lft,
+ u32 prefered_lft,
+ bool dev_addr_generated)
+{
+ if (dev->ndisc_ops && dev->ndisc_ops->prefix_rcv_add_addr)
+ dev->ndisc_ops->prefix_rcv_add_addr(net, dev, pinfo, in6_dev,
+ addr, addr_type,
+ addr_flags, sllao,
+ tokenized, valid_lft,
+ prefered_lft,
+ dev_addr_generated);
+}
+#endif
+
/*
* Return the padding between the option length and the start of the
* link addr. Currently only IP-over-InfiniBand needs this, although
@@ -127,23 +319,48 @@ static inline int ndisc_addr_option_pad(unsigned short type)
}
}
-static inline int ndisc_opt_addr_space(struct net_device *dev)
+static inline int __ndisc_opt_addr_space(unsigned char addr_len, int pad)
{
- return NDISC_OPT_SPACE(dev->addr_len +
- ndisc_addr_option_pad(dev->type));
+ return NDISC_OPT_SPACE(addr_len + pad);
}
-static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,
- struct net_device *dev)
+#if IS_ENABLED(CONFIG_IPV6)
+static inline int ndisc_opt_addr_space(struct net_device *dev, u8 icmp6_type)
+{
+ return __ndisc_opt_addr_space(dev->addr_len,
+ ndisc_addr_option_pad(dev->type)) +
+ ndisc_ops_opt_addr_space(dev, icmp6_type);
+}
+
+static inline int ndisc_redirect_opt_addr_space(struct net_device *dev,
+ struct neighbour *neigh,
+ u8 *ops_data_buf,
+ u8 **ops_data)
+{
+ return __ndisc_opt_addr_space(dev->addr_len,
+ ndisc_addr_option_pad(dev->type)) +
+ ndisc_ops_redirect_opt_addr_space(dev, neigh, ops_data_buf,
+ ops_data);
+}
+#endif
+
+static inline u8 *__ndisc_opt_addr_data(struct nd_opt_hdr *p,
+ unsigned char addr_len, int prepad)
{
u8 *lladdr = (u8 *)(p + 1);
int lladdrlen = p->nd_opt_len << 3;
- int prepad = ndisc_addr_option_pad(dev->type);
- if (lladdrlen != ndisc_opt_addr_space(dev))
+ if (lladdrlen != __ndisc_opt_addr_space(addr_len, prepad))
return NULL;
return lladdr + prepad;
}
+static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,
+ struct net_device *dev)
+{
+ return __ndisc_opt_addr_data(p, dev->addr_len,
+ ndisc_addr_option_pad(dev->type));
+}
+
static inline u32 ndisc_hashfn(const void *pkey, const struct net_device *dev, __u32 *hash_rnd)
{
const u32 *p32 = pkey;
@@ -194,6 +411,9 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target);
int ndisc_mc_map(const struct in6_addr *addr, char *buf, struct net_device *dev,
int dir);
+void ndisc_update(const struct net_device *dev, struct neighbour *neigh,
+ const u8 *lladdr, u8 new, u32 flags, u8 icmp6_type,
+ struct ndisc_options *ndopts);
/*
* IGMP
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index fea53f4d92ca..7caa99b482c6 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -67,12 +67,12 @@ struct qdisc_watchdog {
};
void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc);
-void qdisc_watchdog_schedule_ns(struct qdisc_watchdog *wd, u64 expires, bool throttle);
+void qdisc_watchdog_schedule_ns(struct qdisc_watchdog *wd, u64 expires);
static inline void qdisc_watchdog_schedule(struct qdisc_watchdog *wd,
psched_time_t expires)
{
- qdisc_watchdog_schedule_ns(wd, PSCHED_TICKS2NS(expires), true);
+ qdisc_watchdog_schedule_ns(wd, PSCHED_TICKS2NS(expires));
}
void qdisc_watchdog_cancel(struct qdisc_watchdog *wd);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 62d553184e91..909aff2db2b3 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -26,14 +26,6 @@ struct qdisc_rate_table {
enum qdisc_state_t {
__QDISC_STATE_SCHED,
__QDISC_STATE_DEACTIVATED,
- __QDISC_STATE_THROTTLED,
-};
-
-/*
- * following bits are only changed while qdisc lock is held
- */
-enum qdisc___state_t {
- __QDISC___STATE_RUNNING = 1,
};
struct qdisc_size_table {
@@ -45,8 +37,10 @@ struct qdisc_size_table {
};
struct Qdisc {
- int (*enqueue)(struct sk_buff *skb, struct Qdisc *dev);
- struct sk_buff * (*dequeue)(struct Qdisc *dev);
+ int (*enqueue)(struct sk_buff *skb,
+ struct Qdisc *sch,
+ struct sk_buff **to_free);
+ struct sk_buff * (*dequeue)(struct Qdisc *sch);
unsigned int flags;
#define TCQ_F_BUILTIN 1
#define TCQ_F_INGRESS 2
@@ -70,31 +64,25 @@ struct Qdisc {
struct list_head list;
u32 handle;
u32 parent;
- int (*reshape_fail)(struct sk_buff *skb,
- struct Qdisc *q);
-
void *u32_node;
- /* This field is deprecated, but it is still used by CBQ
- * and it will live until better solution will be invented.
- */
- struct Qdisc *__parent;
struct netdev_queue *dev_queue;
struct gnet_stats_rate_est64 rate_est;
struct gnet_stats_basic_cpu __percpu *cpu_bstats;
struct gnet_stats_queue __percpu *cpu_qstats;
- struct Qdisc *next_sched;
- struct sk_buff *gso_skb;
/*
* For performance sake on SMP, we put highly modified fields at the end
*/
- unsigned long state;
+ struct sk_buff *gso_skb ____cacheline_aligned_in_smp;
struct sk_buff_head q;
struct gnet_stats_basic_packed bstats;
- unsigned int __state;
+ seqcount_t running;
struct gnet_stats_queue qstats;
+ unsigned long state;
+ struct Qdisc *next_sched;
+ struct sk_buff *skb_bad_txq;
struct rcu_head rcu_head;
int padded;
atomic_t refcnt;
@@ -104,20 +92,24 @@ struct Qdisc {
static inline bool qdisc_is_running(const struct Qdisc *qdisc)
{
- return (qdisc->__state & __QDISC___STATE_RUNNING) ? true : false;
+ return (raw_read_seqcount(&qdisc->running) & 1) ? true : false;
}
static inline bool qdisc_run_begin(struct Qdisc *qdisc)
{
if (qdisc_is_running(qdisc))
return false;
- qdisc->__state |= __QDISC___STATE_RUNNING;
+ /* Variant of write_seqcount_begin() telling lockdep a trylock
+ * was attempted.
+ */
+ raw_write_seqcount_begin(&qdisc->running);
+ seqcount_acquire(&qdisc->running.dep_map, 0, 1, _RET_IP_);
return true;
}
static inline void qdisc_run_end(struct Qdisc *qdisc)
{
- qdisc->__state &= ~__QDISC___STATE_RUNNING;
+ write_seqcount_end(&qdisc->running);
}
static inline bool qdisc_may_bulk(const struct Qdisc *qdisc)
@@ -135,21 +127,6 @@ static inline int qdisc_avail_bulklimit(const struct netdev_queue *txq)
#endif
}
-static inline bool qdisc_is_throttled(const struct Qdisc *qdisc)
-{
- return test_bit(__QDISC_STATE_THROTTLED, &qdisc->state) ? true : false;
-}
-
-static inline void qdisc_throttled(struct Qdisc *qdisc)
-{
- set_bit(__QDISC_STATE_THROTTLED, &qdisc->state);
-}
-
-static inline void qdisc_unthrottled(struct Qdisc *qdisc)
-{
- clear_bit(__QDISC_STATE_THROTTLED, &qdisc->state);
-}
-
struct Qdisc_class_ops {
/* Child qdisc manipulation */
struct netdev_queue * (*select_queue)(struct Qdisc *, struct tcmsg *);
@@ -186,10 +163,11 @@ struct Qdisc_ops {
char id[IFNAMSIZ];
int priv_size;
- int (*enqueue)(struct sk_buff *, struct Qdisc *);
+ int (*enqueue)(struct sk_buff *skb,
+ struct Qdisc *sch,
+ struct sk_buff **to_free);
struct sk_buff * (*dequeue)(struct Qdisc *);
struct sk_buff * (*peek)(struct Qdisc *);
- unsigned int (*drop)(struct Qdisc *);
int (*init)(struct Qdisc *, struct nlattr *arg);
void (*reset)(struct Qdisc *);
@@ -322,6 +300,14 @@ static inline spinlock_t *qdisc_root_sleeping_lock(const struct Qdisc *qdisc)
return qdisc_lock(root);
}
+static inline seqcount_t *qdisc_root_sleeping_running(const struct Qdisc *qdisc)
+{
+ struct Qdisc *root = qdisc_root_sleeping(qdisc);
+
+ ASSERT_RTNL();
+ return &root->running;
+}
+
static inline struct net_device *qdisc_dev(const struct Qdisc *qdisc)
{
return qdisc->dev_queue->dev;
@@ -517,10 +503,11 @@ static inline void qdisc_calculate_pkt_len(struct sk_buff *skb,
#endif
}
-static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
+static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
+ struct sk_buff **to_free)
{
qdisc_calculate_pkt_len(skb, sch);
- return sch->enqueue(skb, sch);
+ return sch->enqueue(skb, sch, to_free);
}
static inline bool qdisc_is_percpu_stats(const struct Qdisc *q)
@@ -645,40 +632,36 @@ static inline struct sk_buff *qdisc_dequeue_head(struct Qdisc *sch)
return __qdisc_dequeue_head(sch, &sch->q);
}
+/* Instead of calling kfree_skb() while root qdisc lock is held,
+ * queue the skb for future freeing at end of __dev_xmit_skb()
+ */
+static inline void __qdisc_drop(struct sk_buff *skb, struct sk_buff **to_free)
+{
+ skb->next = *to_free;
+ *to_free = skb;
+}
+
static inline unsigned int __qdisc_queue_drop_head(struct Qdisc *sch,
- struct sk_buff_head *list)
+ struct sk_buff_head *list,
+ struct sk_buff **to_free)
{
struct sk_buff *skb = __skb_dequeue(list);
if (likely(skb != NULL)) {
unsigned int len = qdisc_pkt_len(skb);
+
qdisc_qstats_backlog_dec(sch, skb);
- kfree_skb(skb);
+ __qdisc_drop(skb, to_free);
return len;
}
return 0;
}
-static inline unsigned int qdisc_queue_drop_head(struct Qdisc *sch)
-{
- return __qdisc_queue_drop_head(sch, &sch->q);
-}
-
-static inline struct sk_buff *__qdisc_dequeue_tail(struct Qdisc *sch,
- struct sk_buff_head *list)
-{
- struct sk_buff *skb = __skb_dequeue_tail(list);
-
- if (likely(skb != NULL))
- qdisc_qstats_backlog_dec(sch, skb);
-
- return skb;
-}
-
-static inline struct sk_buff *qdisc_dequeue_tail(struct Qdisc *sch)
+static inline unsigned int qdisc_queue_drop_head(struct Qdisc *sch,
+ struct sk_buff **to_free)
{
- return __qdisc_dequeue_tail(sch, &sch->q);
+ return __qdisc_queue_drop_head(sch, &sch->q, to_free);
}
static inline struct sk_buff *qdisc_peek_head(struct Qdisc *sch)
@@ -718,19 +701,21 @@ static inline struct sk_buff *qdisc_dequeue_peeked(struct Qdisc *sch)
return skb;
}
-static inline void __qdisc_reset_queue(struct Qdisc *sch,
- struct sk_buff_head *list)
+static inline void __qdisc_reset_queue(struct sk_buff_head *list)
{
/*
* We do not know the backlog in bytes of this list, it
* is up to the caller to correct it
*/
- __skb_queue_purge(list);
+ if (!skb_queue_empty(list)) {
+ rtnl_kfree_skbs(list->next, list->prev);
+ __skb_queue_head_init(list);
+ }
}
static inline void qdisc_reset_queue(struct Qdisc *sch)
{
- __qdisc_reset_queue(sch, &sch->q);
+ __qdisc_reset_queue(&sch->q);
sch->qstats.backlog = 0;
}
@@ -751,46 +736,19 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new,
return old;
}
-static inline unsigned int __qdisc_queue_drop(struct Qdisc *sch,
- struct sk_buff_head *list)
+static inline void rtnl_qdisc_drop(struct sk_buff *skb, struct Qdisc *sch)
{
- struct sk_buff *skb = __qdisc_dequeue_tail(sch, list);
-
- if (likely(skb != NULL)) {
- unsigned int len = qdisc_pkt_len(skb);
- kfree_skb(skb);
- return len;
- }
-
- return 0;
-}
-
-static inline unsigned int qdisc_queue_drop(struct Qdisc *sch)
-{
- return __qdisc_queue_drop(sch, &sch->q);
-}
-
-static inline int qdisc_drop(struct sk_buff *skb, struct Qdisc *sch)
-{
- kfree_skb(skb);
+ rtnl_kfree_skbs(skb, skb);
qdisc_qstats_drop(sch);
-
- return NET_XMIT_DROP;
}
-static inline int qdisc_reshape_fail(struct sk_buff *skb, struct Qdisc *sch)
+
+static inline int qdisc_drop(struct sk_buff *skb, struct Qdisc *sch,
+ struct sk_buff **to_free)
{
+ __qdisc_drop(skb, to_free);
qdisc_qstats_drop(sch);
-#ifdef CONFIG_NET_CLS_ACT
- if (sch->reshape_fail == NULL || sch->reshape_fail(skb, sch))
- goto drop;
-
- return NET_XMIT_SUCCESS;
-
-drop:
-#endif
- kfree_skb(skb);
return NET_XMIT_DROP;
}
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index b392ac8382f2..632e205ca54b 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -186,6 +186,10 @@ void sctp_assocs_proc_exit(struct net *net);
int sctp_remaddr_proc_init(struct net *net);
void sctp_remaddr_proc_exit(struct net *net);
+/*
+ * sctp/offload.c
+ */
+int sctp_offload_init(void);
/*
* Module global variables
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 16b013a6191c..83c5ec58b93a 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -566,6 +566,9 @@ struct sctp_chunk {
/* This points to the sk_buff containing the actual data. */
struct sk_buff *skb;
+ /* In case of GSO packets, this will store the head one */
+ struct sk_buff *head_skb;
+
/* These are the SCTP headers by reverse order in a packet.
* Note that some of these may happen more than once. In that
* case, we point at the "current" one, whatever that means
@@ -696,6 +699,8 @@ struct sctp_packet {
size_t overhead;
/* This is the total size of all chunks INCLUDING padding. */
size_t size;
+ /* This is the maximum size this packet may have */
+ size_t max_size;
/* The packet is destined for this transport address.
* The function we finally use to pass down to the next lower
diff --git a/include/net/tc_act/tc_defact.h b/include/net/tc_act/tc_defact.h
index 9763dcbb9bc3..ab9b5d6be67b 100644
--- a/include/net/tc_act/tc_defact.h
+++ b/include/net/tc_act/tc_defact.h
@@ -5,8 +5,8 @@
struct tcf_defact {
struct tcf_common common;
- u32 tcfd_datalen;
- void *tcfd_defdata;
+ u32 tcfd_datalen;
+ void *tcfd_defdata;
};
#define to_defact(a) \
container_of(a->priv, struct tcf_defact, common)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 0bcc70f4e1fb..a79894b66726 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -767,6 +767,7 @@ struct tcp_skb_cb {
union {
struct {
/* There is space for up to 20 bytes */
+ __u32 in_flight;/* Bytes in flight when packet sent */
} tx; /* only used for outgoing skbs */
union {
struct inet_skb_parm h4;
@@ -859,6 +860,7 @@ union tcp_cc_info;
struct ack_sample {
u32 pkts_acked;
s32 rtt_us;
+ u32 in_flight;
};
struct tcp_congestion_ops {
diff --git a/include/net/udp.h b/include/net/udp.h
index ae07f375370d..8894d7144189 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -160,8 +160,8 @@ void udp_set_csum(bool nocheck, struct sk_buff *skb,
static inline void udp_csum_pull_header(struct sk_buff *skb)
{
- if (skb->ip_summed == CHECKSUM_NONE)
- skb->csum = csum_partial(udp_hdr(skb), sizeof(struct udphdr),
+ if (!skb->csum_valid && skb->ip_summed == CHECKSUM_NONE)
+ skb->csum = csum_partial(skb->data, sizeof(struct udphdr),
skb->csum);
skb_pull_rcsum(skb, sizeof(struct udphdr));
UDP_SKB_CB(skb)->cscov -= sizeof(struct udphdr);
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index 9d14f707e534..02c5be037451 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -84,6 +84,46 @@ struct udp_tunnel_sock_cfg {
void setup_udp_tunnel_sock(struct net *net, struct socket *sock,
struct udp_tunnel_sock_cfg *sock_cfg);
+/* -- List of parsable UDP tunnel types --
+ *
+ * Adding to this list will result in serious debate. The main issue is
+ * that this list is essentially a list of workarounds for either poorly
+ * designed tunnels, or poorly designed device offloads.
+ *
+ * The parsing supported via these types should really be used for Rx
+ * traffic only as the network stack will have already inserted offsets for
+ * the location of the headers in the skb. In addition any ports that are
+ * pushed should be kept within the namespace without leaking to other
+ * devices such as VFs or other ports on the same device.
+ *
+ * It is strongly encouraged to use CHECKSUM_COMPLETE for Rx to avoid the
+ * need to use this for Rx checksum offload. It should not be necessary to
+ * call this function to perform Tx offloads on outgoing traffic.
+ */
+enum udp_parsable_tunnel_type {
+ UDP_TUNNEL_TYPE_VXLAN, /* RFC 7348 */
+ UDP_TUNNEL_TYPE_GENEVE, /* draft-ietf-nvo3-geneve */
+ UDP_TUNNEL_TYPE_VXLAN_GPE, /* draft-ietf-nvo3-vxlan-gpe */
+};
+
+struct udp_tunnel_info {
+ unsigned short type;
+ sa_family_t sa_family;
+ __be16 port;
+};
+
+/* Notify network devices of offloadable types */
+void udp_tunnel_push_rx_port(struct net_device *dev, struct socket *sock,
+ unsigned short type);
+void udp_tunnel_notify_add_rx_port(struct socket *sock, unsigned short type);
+void udp_tunnel_notify_del_rx_port(struct socket *sock, unsigned short type);
+
+static inline void udp_tunnel_get_rx_info(struct net_device *dev)
+{
+ ASSERT_RTNL();
+ call_netdevice_notifiers(NETDEV_UDP_TUNNEL_PUSH_INFO, dev);
+}
+
/* Transmit the skb using UDP encapsulation. */
void udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb,
__be32 src, __be32 dst, __u8 tos, __u8 ttl,
@@ -105,12 +145,14 @@ struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb, unsigned short family,
__be16 flags, __be64 tunnel_id,
int md_size);
+#ifdef CONFIG_INET
static inline int udp_tunnel_handle_offloads(struct sk_buff *skb, bool udp_csum)
{
int type = udp_csum ? SKB_GSO_UDP_TUNNEL_CSUM : SKB_GSO_UDP_TUNNEL;
return iptunnel_handle_offloads(skb, type);
}
+#endif
static inline void udp_tunnel_encap_enable(struct socket *sock)
{
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index b8803165df91..b96d0360c095 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -1,13 +1,10 @@
#ifndef __NET_VXLAN_H
#define __NET_VXLAN_H 1
-#include <linux/ip.h>
-#include <linux/ipv6.h>
#include <linux/if_vlan.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/udp.h>
+#include <net/udp_tunnel.h>
#include <net/dst_metadata.h>
+#include <net/udp_tunnel.h>
/* VXLAN protocol (RFC 7348) header:
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
@@ -392,12 +389,6 @@ static inline __be32 vxlan_compute_rco(unsigned int start, unsigned int offset)
return vni_field;
}
-static inline void vxlan_get_rx_port(struct net_device *netdev)
-{
- ASSERT_RTNL();
- call_netdevice_notifiers(NETDEV_OFFLOAD_PUSH_VXLAN, netdev);
-}
-
static inline unsigned short vxlan_get_sk_family(struct vxlan_sock *vs)
{
return vs->sock->sk->sk_family;
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-14 14:43:19 +0000