diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/af_rxrpc.h | 2 | ||||
-rw-r--r-- | include/net/bluetooth/hci.h | 2 | ||||
-rw-r--r-- | include/net/bluetooth/hci_core.h | 108 | ||||
-rw-r--r-- | include/net/bluetooth/l2cap.h | 3 | ||||
-rw-r--r-- | include/net/gro.h | 3 | ||||
-rw-r--r-- | include/net/ip.h | 13 | ||||
-rw-r--r-- | include/net/l3mdev.h | 2 | ||||
-rw-r--r-- | include/net/mana/gdma.h | 11 | ||||
-rw-r--r-- | include/net/net_namespace.h | 13 | ||||
-rw-r--r-- | include/net/netfilter/nf_tables.h | 4 | ||||
-rw-r--r-- | include/net/route.h | 9 | ||||
-rw-r--r-- | include/net/sch_generic.h | 2 | ||||
-rw-r--r-- | include/net/sock.h | 1 | ||||
-rw-r--r-- | include/net/strparser.h | 2 | ||||
-rw-r--r-- | include/net/tcp.h | 22 |
15 files changed, 113 insertions, 84 deletions
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h index 0754c463224a..cf793d18e5df 100644 --- a/include/net/af_rxrpc.h +++ b/include/net/af_rxrpc.h @@ -69,6 +69,8 @@ struct rxrpc_peer *rxrpc_kernel_get_peer(struct rxrpc_peer *peer); struct rxrpc_peer *rxrpc_kernel_get_call_peer(struct socket *sock, struct rxrpc_call *call); const struct sockaddr_rxrpc *rxrpc_kernel_remote_srx(const struct rxrpc_peer *peer); const struct sockaddr *rxrpc_kernel_remote_addr(const struct rxrpc_peer *peer); +unsigned long rxrpc_kernel_set_peer_data(struct rxrpc_peer *peer, unsigned long app_data); +unsigned long rxrpc_kernel_get_peer_data(const struct rxrpc_peer *peer); unsigned int rxrpc_kernel_get_srtt(const struct rxrpc_peer *); int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, rxrpc_user_attach_call_t, unsigned long, gfp_t, diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 0d51970d809f..3ec915738112 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -683,7 +683,7 @@ enum { #define HCI_ERROR_REMOTE_POWER_OFF 0x15 #define HCI_ERROR_LOCAL_HOST_TERM 0x16 #define HCI_ERROR_PAIRING_NOT_ALLOWED 0x18 -#define HCI_ERROR_UNSUPPORTED_REMOTE_FEATURE 0x1e +#define HCI_ERROR_UNSUPPORTED_REMOTE_FEATURE 0x1a #define HCI_ERROR_INVALID_LL_PARAMS 0x1e #define HCI_ERROR_UNSPECIFIED 0x1f #define HCI_ERROR_ADVERTISING_TIMEOUT 0x3c diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index f756fac95488..6281063cbd8e 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -804,6 +804,7 @@ struct hci_conn_params { extern struct list_head hci_dev_list; extern struct list_head hci_cb_list; extern rwlock_t hci_dev_list_lock; +extern struct mutex hci_cb_list_lock; #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) @@ -2010,47 +2011,24 @@ struct hci_cb { char *name; - bool (*match) (struct hci_conn *conn); void (*connect_cfm) (struct hci_conn *conn, __u8 status); void (*disconn_cfm) (struct hci_conn *conn, __u8 status); void (*security_cfm) (struct hci_conn *conn, __u8 status, - __u8 encrypt); + __u8 encrypt); void (*key_change_cfm) (struct hci_conn *conn, __u8 status); void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); }; -static inline void hci_cb_lookup(struct hci_conn *conn, struct list_head *list) -{ - struct hci_cb *cb, *cpy; - - rcu_read_lock(); - list_for_each_entry_rcu(cb, &hci_cb_list, list) { - if (cb->match && cb->match(conn)) { - cpy = kmalloc(sizeof(*cpy), GFP_ATOMIC); - if (!cpy) - break; - - *cpy = *cb; - INIT_LIST_HEAD(&cpy->list); - list_add_rcu(&cpy->list, list); - } - } - rcu_read_unlock(); -} - static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) { - struct list_head list; - struct hci_cb *cb, *tmp; - - INIT_LIST_HEAD(&list); - hci_cb_lookup(conn, &list); + struct hci_cb *cb; - list_for_each_entry_safe(cb, tmp, &list, list) { + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { if (cb->connect_cfm) cb->connect_cfm(conn, status); - kfree(cb); } + mutex_unlock(&hci_cb_list_lock); if (conn->connect_cfm_cb) conn->connect_cfm_cb(conn, status); @@ -2058,43 +2036,22 @@ static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) { - struct list_head list; - struct hci_cb *cb, *tmp; - - INIT_LIST_HEAD(&list); - hci_cb_lookup(conn, &list); + struct hci_cb *cb; - list_for_each_entry_safe(cb, tmp, &list, list) { + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { if (cb->disconn_cfm) cb->disconn_cfm(conn, reason); - kfree(cb); } + mutex_unlock(&hci_cb_list_lock); if (conn->disconn_cfm_cb) conn->disconn_cfm_cb(conn, reason); } -static inline void hci_security_cfm(struct hci_conn *conn, __u8 status, - __u8 encrypt) -{ - struct list_head list; - struct hci_cb *cb, *tmp; - - INIT_LIST_HEAD(&list); - hci_cb_lookup(conn, &list); - - list_for_each_entry_safe(cb, tmp, &list, list) { - if (cb->security_cfm) - cb->security_cfm(conn, status, encrypt); - kfree(cb); - } - - if (conn->security_cfm_cb) - conn->security_cfm_cb(conn, status); -} - static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) { + struct hci_cb *cb; __u8 encrypt; if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) @@ -2102,11 +2059,20 @@ static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; - hci_security_cfm(conn, status, encrypt); + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->security_cfm) + cb->security_cfm(conn, status, encrypt); + } + mutex_unlock(&hci_cb_list_lock); + + if (conn->security_cfm_cb) + conn->security_cfm_cb(conn, status); } static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) { + struct hci_cb *cb; __u8 encrypt; if (conn->state == BT_CONFIG) { @@ -2133,38 +2099,40 @@ static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) conn->sec_level = conn->pending_sec_level; } - hci_security_cfm(conn, status, encrypt); + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { + if (cb->security_cfm) + cb->security_cfm(conn, status, encrypt); + } + mutex_unlock(&hci_cb_list_lock); + + if (conn->security_cfm_cb) + conn->security_cfm_cb(conn, status); } static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) { - struct list_head list; - struct hci_cb *cb, *tmp; - - INIT_LIST_HEAD(&list); - hci_cb_lookup(conn, &list); + struct hci_cb *cb; - list_for_each_entry_safe(cb, tmp, &list, list) { + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { if (cb->key_change_cfm) cb->key_change_cfm(conn, status); - kfree(cb); } + mutex_unlock(&hci_cb_list_lock); } static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) { - struct list_head list; - struct hci_cb *cb, *tmp; - - INIT_LIST_HEAD(&list); - hci_cb_lookup(conn, &list); + struct hci_cb *cb; - list_for_each_entry_safe(cb, tmp, &list, list) { + mutex_lock(&hci_cb_list_lock); + list_for_each_entry(cb, &hci_cb_list, list) { if (cb->role_switch_cfm) cb->role_switch_cfm(conn, status, role); - kfree(cb); } + mutex_unlock(&hci_cb_list_lock); } static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index d9c767cf773d..9189354c568f 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -668,7 +668,7 @@ struct l2cap_conn { struct l2cap_chan *smp; struct list_head chan_l; - struct mutex chan_lock; + struct mutex lock; struct kref ref; struct list_head users; }; @@ -970,6 +970,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err); void l2cap_send_conn_req(struct l2cap_chan *chan); struct l2cap_conn *l2cap_conn_get(struct l2cap_conn *conn); +struct l2cap_conn *l2cap_conn_hold_unless_zero(struct l2cap_conn *conn); void l2cap_conn_put(struct l2cap_conn *conn); int l2cap_register_user(struct l2cap_conn *conn, struct l2cap_user *user); diff --git a/include/net/gro.h b/include/net/gro.h index b9b58c1f8d19..7b548f91754b 100644 --- a/include/net/gro.h +++ b/include/net/gro.h @@ -11,6 +11,9 @@ #include <net/udp.h> #include <net/hotdata.h> +/* This should be increased if a protocol with a bigger head is added. */ +#define GRO_MAX_HEAD (MAX_HEADER + 128) + struct napi_gro_cb { union { struct { diff --git a/include/net/ip.h b/include/net/ip.h index 9f5e33e371fc..ba7b43447775 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -471,9 +471,12 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst, bool forwarding) { const struct rtable *rt = dst_rtable(dst); - struct net *net = dev_net(dst->dev); - unsigned int mtu; + unsigned int mtu, res; + struct net *net; + + rcu_read_lock(); + net = dev_net_rcu(dst->dev); if (READ_ONCE(net->ipv4.sysctl_ip_fwd_use_pmtu) || ip_mtu_locked(dst) || !forwarding) { @@ -497,7 +500,11 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst, out: mtu = min_t(unsigned int, mtu, IP_MAX_MTU); - return mtu - lwtunnel_headroom(dst->lwtstate, mtu); + res = mtu - lwtunnel_headroom(dst->lwtstate, mtu); + + rcu_read_unlock(); + + return res; } static inline unsigned int ip_skb_dst_mtu(struct sock *sk, diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h index 2d6141f28b53..f7fe796e8429 100644 --- a/include/net/l3mdev.h +++ b/include/net/l3mdev.h @@ -198,10 +198,12 @@ struct sk_buff *l3mdev_l3_out(struct sock *sk, struct sk_buff *skb, u16 proto) if (netif_is_l3_slave(dev)) { struct net_device *master; + rcu_read_lock(); master = netdev_master_upper_dev_get_rcu(dev); if (master && master->l3mdev_ops->l3mdev_l3_out) skb = master->l3mdev_ops->l3mdev_l3_out(master, sk, skb, proto); + rcu_read_unlock(); } return skb; diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index 90f56656b572..62e9d7673862 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -408,8 +408,6 @@ struct gdma_context { struct gdma_dev mana_ib; }; -#define MAX_NUM_GDMA_DEVICES 4 - static inline bool mana_gd_is_mana(struct gdma_dev *gd) { return gd->dev_id.type == GDMA_DEVICE_MANA; @@ -556,11 +554,15 @@ enum { #define GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG BIT(3) #define GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT BIT(5) +/* Driver can handle holes (zeros) in the device list */ +#define GDMA_DRV_CAP_FLAG_1_DEV_LIST_HOLES_SUP BIT(11) + #define GDMA_DRV_CAP_FLAGS1 \ (GDMA_DRV_CAP_FLAG_1_EQ_SHARING_MULTI_VPORT | \ GDMA_DRV_CAP_FLAG_1_NAPI_WKDONE_FIX | \ GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG | \ - GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT) + GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT | \ + GDMA_DRV_CAP_FLAG_1_DEV_LIST_HOLES_SUP) #define GDMA_DRV_CAP_FLAGS2 0 @@ -621,11 +623,12 @@ struct gdma_query_max_resources_resp { }; /* HW DATA */ /* GDMA_LIST_DEVICES */ +#define GDMA_DEV_LIST_SIZE 64 struct gdma_list_devices_resp { struct gdma_resp_hdr hdr; u32 num_of_devs; u32 reserved; - struct gdma_dev_id devs[64]; + struct gdma_dev_id devs[GDMA_DEV_LIST_SIZE]; }; /* HW DATA */ /* GDMA_REGISTER_DEVICE */ diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 0f5eb9db0c62..f467a66abc6b 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -297,6 +297,7 @@ static inline int check_net(const struct net *net) } void net_drop_ns(void *); +void net_passive_dec(struct net *net); #else @@ -326,8 +327,18 @@ static inline int check_net(const struct net *net) } #define net_drop_ns NULL + +static inline void net_passive_dec(struct net *net) +{ + refcount_dec(&net->passive); +} #endif +static inline void net_passive_inc(struct net *net) +{ + refcount_inc(&net->passive); +} + /* Returns true if the netns initialization is completed successfully */ static inline bool net_initialized(const struct net *net) { @@ -398,7 +409,7 @@ static inline struct net *read_pnet(const possible_net_t *pnet) #endif } -static inline struct net *read_pnet_rcu(possible_net_t *pnet) +static inline struct net *read_pnet_rcu(const possible_net_t *pnet) { #ifdef CONFIG_NET_NS return rcu_dereference(pnet->net); diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 60d5dcdb289c..803d5f1601f9 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -1891,7 +1891,7 @@ void nft_chain_filter_fini(void); void __init nft_chain_route_init(void); void nft_chain_route_fini(void); -void nf_tables_trans_destroy_flush_work(void); +void nf_tables_trans_destroy_flush_work(struct net *net); int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result); __be64 nf_jiffies64_to_msecs(u64 input); @@ -1905,6 +1905,7 @@ static inline int nft_request_module(struct net *net, const char *fmt, ...) { re struct nftables_pernet { struct list_head tables; struct list_head commit_list; + struct list_head destroy_list; struct list_head commit_set_list; struct list_head binding_list; struct list_head module_list; @@ -1915,6 +1916,7 @@ struct nftables_pernet { unsigned int base_seq; unsigned int gc_seq; u8 validate_state; + struct work_struct destroy_work; }; extern unsigned int nf_tables_net_id; diff --git a/include/net/route.h b/include/net/route.h index f86775be3e29..c605fd5ec0c0 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -382,10 +382,15 @@ static inline int inet_iif(const struct sk_buff *skb) static inline int ip4_dst_hoplimit(const struct dst_entry *dst) { int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT); - struct net *net = dev_net(dst->dev); - if (hoplimit == 0) + if (hoplimit == 0) { + const struct net *net; + + rcu_read_lock(); + net = dev_net_rcu(dst->dev); hoplimit = READ_ONCE(net->ipv4.sysctl_ip_default_ttl); + rcu_read_unlock(); + } return hoplimit; } diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index d635c5b47eba..d48c657191cd 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -851,7 +851,7 @@ static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, } static inline void _bstats_update(struct gnet_stats_basic_sync *bstats, - __u64 bytes, __u32 packets) + __u64 bytes, __u64 packets) { u64_stats_update_begin(&bstats->syncp); u64_stats_add(&bstats->bytes, bytes); diff --git a/include/net/sock.h b/include/net/sock.h index 8036b3b79cd8..7ef728324e4e 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1751,6 +1751,7 @@ static inline bool sock_allow_reclassification(const struct sock *csk) struct sock *sk_alloc(struct net *net, int family, gfp_t priority, struct proto *prot, int kern); void sk_free(struct sock *sk); +void sk_net_refcnt_upgrade(struct sock *sk); void sk_destruct(struct sock *sk); struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority); void sk_free_unlock_clone(struct sock *sk); diff --git a/include/net/strparser.h b/include/net/strparser.h index 41e2ce9e9e10..0a83010b3a64 100644 --- a/include/net/strparser.h +++ b/include/net/strparser.h @@ -43,6 +43,8 @@ struct strparser; struct strp_callbacks { int (*parse_msg)(struct strparser *strp, struct sk_buff *skb); void (*rcv_msg)(struct strparser *strp, struct sk_buff *skb); + int (*read_sock)(struct strparser *strp, read_descriptor_t *desc, + sk_read_actor_t recv_actor); int (*read_sock_done)(struct strparser *strp, int err); void (*abort_parser)(struct strparser *strp, int err); void (*lock)(struct strparser *strp); diff --git a/include/net/tcp.h b/include/net/tcp.h index 5b2b04835688..2d08473a6dc0 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -41,6 +41,7 @@ #include <net/inet_ecn.h> #include <net/dst.h> #include <net/mptcp.h> +#include <net/xfrm.h> #include <linux/seq_file.h> #include <linux/memcontrol.h> @@ -683,6 +684,19 @@ void tcp_fin(struct sock *sk); void tcp_check_space(struct sock *sk); void tcp_sack_compress_send_ack(struct sock *sk); +static inline void tcp_cleanup_skb(struct sk_buff *skb) +{ + skb_dst_drop(skb); + secpath_reset(skb); +} + +static inline void tcp_add_receive_queue(struct sock *sk, struct sk_buff *skb) +{ + DEBUG_NET_WARN_ON_ONCE(skb_dst(skb)); + DEBUG_NET_WARN_ON_ONCE(secpath_exists(skb)); + __skb_queue_tail(&sk->sk_receive_queue, skb); +} + /* tcp_timer.c */ void tcp_init_xmit_timers(struct sock *); static inline void tcp_clear_xmit_timers(struct sock *sk) @@ -729,6 +743,9 @@ void tcp_get_info(struct sock *, struct tcp_info *); /* Read 'sendfile()'-style from a TCP socket */ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, sk_read_actor_t recv_actor); +int tcp_read_sock_noack(struct sock *sk, read_descriptor_t *desc, + sk_read_actor_t recv_actor, bool noack, + u32 *copied_seq); int tcp_read_skb(struct sock *sk, skb_read_actor_t recv_actor); struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off); void tcp_read_done(struct sock *sk, size_t len); @@ -2599,6 +2616,11 @@ struct sk_psock; #ifdef CONFIG_BPF_SYSCALL int tcp_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore); void tcp_bpf_clone(const struct sock *sk, struct sock *newsk); +#ifdef CONFIG_BPF_STREAM_PARSER +struct strparser; +int tcp_bpf_strp_read_sock(struct strparser *strp, read_descriptor_t *desc, + sk_read_actor_t recv_actor); +#endif /* CONFIG_BPF_STREAM_PARSER */ #endif /* CONFIG_BPF_SYSCALL */ #ifdef CONFIG_INET |