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/linux/net/rxrpc/
H A Dpeer_object.c28 * Hash a peer key.
62 /* Step through the peer address in 16-bit portions for speed */ in rxrpc_peer_hash_key()
71 * Compare a peer to a key. Return -ve, 0 or +ve to indicate less than, same
78 static long rxrpc_peer_cmp_key(const struct rxrpc_peer *peer, in rxrpc_peer_cmp_key() argument
85 diff = ((peer->hash_key - hash_key) ?: in rxrpc_peer_cmp_key()
86 ((unsigned long)peer->local - (unsigned long)local) ?: in rxrpc_peer_cmp_key()
87 (peer->srx.transport_type - srx->transport_type) ?: in rxrpc_peer_cmp_key()
88 (peer->srx.transport_len - srx->transport_len) ?: in rxrpc_peer_cmp_key()
89 (peer->srx.transport.family - srx->transport.family)); in rxrpc_peer_cmp_key()
95 return ((u16 __force)peer->srx.transport.sin.sin_port - in rxrpc_peer_cmp_key()
[all …]
H A Dpeer_event.c2 /* Peer event handling, typically ICMP messages.
26 * Find the peer associated with a local error.
103 static void rxrpc_adjust_mtu(struct rxrpc_peer *peer, unsigned int mtu) in rxrpc_adjust_mtu() argument
108 if (mtu > 0 && peer->if_mtu == 65535 && mtu < peer->if_mtu) in rxrpc_adjust_mtu()
109 peer->if_mtu = mtu; in rxrpc_adjust_mtu()
113 mtu = peer->if_mtu; in rxrpc_adjust_mtu()
120 if (mtu < peer->hdrsize) in rxrpc_adjust_mtu()
121 mtu = peer->hdrsize + 4; in rxrpc_adjust_mtu()
125 max_data = max_t(int, mtu - peer->hdrsize, 500); in rxrpc_adjust_mtu()
126 if (max_data < peer->max_data) { in rxrpc_adjust_mtu()
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/linux/drivers/net/wireguard/
H A Dtimers.c8 #include "peer.h"
30 static inline void mod_peer_timer(struct wg_peer *peer, in mod_peer_timer() argument
35 if (likely(netif_running(peer->device->dev) && in mod_peer_timer()
36 !READ_ONCE(peer->is_dead))) in mod_peer_timer()
43 struct wg_peer *peer = timer_container_of(peer, timer, in wg_expired_retransmit_handshake() local
46 if (peer->timer_handshake_attempts > MAX_TIMER_HANDSHAKES) { in wg_expired_retransmit_handshake()
47 pr_debug("%s: Handshake for peer %llu (%pISpfsc) did not complete after %d attempts, giving up\n", in wg_expired_retransmit_handshake()
48 peer->device->dev->name, peer->internal_id, in wg_expired_retransmit_handshake()
49 &peer->endpoint.addr, (int)MAX_TIMER_HANDSHAKES + 2); in wg_expired_retransmit_handshake()
51 timer_delete(&peer->timer_send_keepalive); in wg_expired_retransmit_handshake()
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H A Dpeer.c6 #include "peer.h"
25 struct wg_peer *peer; in wg_peer_create() local
33 peer = kmem_cache_zalloc(peer_cache, GFP_KERNEL); in wg_peer_create()
34 if (unlikely(!peer)) in wg_peer_create()
36 if (unlikely(dst_cache_init(&peer->endpoint_cache, GFP_KERNEL))) in wg_peer_create()
39 peer->device = wg; in wg_peer_create()
40 wg_noise_handshake_init(&peer->handshake, &wg->static_identity, in wg_peer_create()
41 public_key, preshared_key, peer); in wg_peer_create()
42 peer->internal_id = atomic64_inc_return(&peer_counter); in wg_peer_create()
43 peer->serial_work_cpu = nr_cpumask_bits; in wg_peer_create()
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H A Dsend.c9 #include "peer.h"
21 static void wg_packet_send_handshake_initiation(struct wg_peer *peer) in wg_packet_send_handshake_initiation() argument
25 if (!wg_birthdate_has_expired(atomic64_read(&peer->last_sent_handshake), in wg_packet_send_handshake_initiation()
29 atomic64_set(&peer->last_sent_handshake, ktime_get_coarse_boottime_ns()); in wg_packet_send_handshake_initiation()
30 net_dbg_ratelimited("%s: Sending handshake initiation to peer %llu (%pISpfsc)\n", in wg_packet_send_handshake_initiation()
31 peer->device->dev->name, peer->internal_id, in wg_packet_send_handshake_initiation()
32 &peer->endpoint.addr); in wg_packet_send_handshake_initiation()
34 if (wg_noise_handshake_create_initiation(&packet, &peer->handshake)) { in wg_packet_send_handshake_initiation()
35 wg_cookie_add_mac_to_packet(&packet, sizeof(packet), peer); in wg_packet_send_handshake_initiation()
36 wg_timers_any_authenticated_packet_traversal(peer); in wg_packet_send_handshake_initiation()
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H A Dreceive.c8 #include "peer.h"
20 static void update_rx_stats(struct wg_peer *peer, size_t len) in update_rx_stats() argument
22 dev_sw_netstats_rx_add(peer->device->dev, len); in update_rx_stats()
23 peer->rx_bytes += len; in update_rx_stats()
96 struct wg_peer *peer = NULL; in wg_receive_handshake_packet() local
144 peer = wg_noise_handshake_consume_initiation(message, wg); in wg_receive_handshake_packet()
145 if (unlikely(!peer)) { in wg_receive_handshake_packet()
150 wg_socket_set_peer_endpoint_from_skb(peer, skb); in wg_receive_handshake_packet()
151 net_dbg_ratelimited("%s: Receiving handshake initiation from peer %llu (%pISpfsc)\n", in wg_receive_handshake_packet()
152 wg->dev->name, peer->internal_id, in wg_receive_handshake_packet()
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/linux/drivers/net/ovpn/
H A Dpeer.c22 #include "peer.h"
29 struct ovpn_peer *peer; in unlock_ovpn() local
33 llist_for_each_entry(peer, release_list->first, release_entry) { in unlock_ovpn()
34 ovpn_socket_release(peer); in unlock_ovpn()
35 ovpn_peer_put(peer); in unlock_ovpn()
40 * ovpn_peer_keepalive_set - configure keepalive values for peer
41 * @peer: the peer to configure
45 void ovpn_peer_keepalive_set(struct ovpn_peer *peer, u32 interval, u32 timeout) in ovpn_peer_keepalive_set() argument
49 netdev_dbg(peer->ovpn->dev, in ovpn_peer_keepalive_set()
50 "scheduling keepalive for peer %u: interval=%u timeout=%u\n", in ovpn_peer_keepalive_set()
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H A Dtcp.c21 #include "peer.h"
64 static void ovpn_tcp_to_userspace(struct ovpn_peer *peer, struct sock *sk, in ovpn_tcp_to_userspace() argument
69 skb_queue_tail(&peer->tcp.user_queue, skb); in ovpn_tcp_to_userspace()
70 peer->tcp.sk_cb.sk_data_ready(sk); in ovpn_tcp_to_userspace()
75 struct ovpn_peer *peer = container_of(strp, struct ovpn_peer, tcp.strp); in ovpn_tcp_rcv() local
83 net_warn_ratelimited("%s: packet too small for peer %u\n", in ovpn_tcp_rcv()
84 netdev_name(peer->ovpn->dev), peer->id); in ovpn_tcp_rcv()
90 net_warn_ratelimited("%s: trimming skb failed for peer %u\n", in ovpn_tcp_rcv()
91 netdev_name(peer->ovpn->dev), peer->id); in ovpn_tcp_rcv()
99 net_warn_ratelimited("%s: packet too small to fetch opcode for peer %u\n", in ovpn_tcp_rcv()
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H A Dio.c18 #include "peer.h"
60 static void ovpn_netdev_write(struct ovpn_peer *peer, struct sk_buff *skb) in ovpn_netdev_write() argument
83 skb->dev = peer->ovpn->dev; in ovpn_netdev_write()
93 ret = gro_cells_receive(&peer->ovpn->gro_cells, skb); in ovpn_netdev_write()
96 ovpn_peer_stats_increment_rx(&peer->vpn_stats, pkt_len); in ovpn_netdev_write()
97 dev_dstats_rx_add(peer->ovpn->dev, pkt_len); in ovpn_netdev_write()
107 struct ovpn_peer *peer; in ovpn_decrypt_post() local
119 peer = ovpn_skb_cb(skb)->peer; in ovpn_decrypt_post()
133 net_err_ratelimited("%s: PKT ID RX error for peer %u: %d\n", in ovpn_decrypt_post()
134 netdev_name(peer->ovpn->dev), peer->id, in ovpn_decrypt_post()
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H A Dnetlink.c21 #include "peer.h"
249 /* VPN IPs are needed only in MP mode for selecting the right peer */ in ovpn_nl_peer_precheck()
270 * ovpn_nl_peer_modify - modify the peer attributes according to the incoming msg
271 * @peer: the peer to modify
279 static int ovpn_nl_peer_modify(struct ovpn_peer *peer, struct genl_info *info, in ovpn_nl_peer_modify() argument
288 spin_lock_bh(&peer->lock); in ovpn_nl_peer_modify()
297 /* set peer sockaddr */ in ovpn_nl_peer_modify()
298 ret = ovpn_peer_reset_sockaddr(peer, &ss, local_ip); in ovpn_nl_peer_modify()
301 "cannot set peer sockaddr: %d", in ovpn_nl_peer_modify()
305 dst_cache_reset(&peer->dst_cache); in ovpn_nl_peer_modify()
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H A Dsocket.c17 #include "peer.h"
35 * @peer: peer whose socket reference counter should be decreased
36 * @sock: the RCU protected peer socket
43 static bool ovpn_socket_put(struct ovpn_peer *peer, struct ovpn_socket *sock) in ovpn_socket_put() argument
50 * @peer: peer whose socket should be released
52 * This function should be invoked when the peer is being removed
59 * the refcounter for the peer it is linked to, thus allowing the peer
62 * This function is expected to be invoked exactly once per peer
66 void ovpn_socket_release(struct ovpn_peer *peer) in ovpn_socket_release() argument
73 sock = rcu_replace_pointer(peer->sock, NULL, true); in ovpn_socket_release()
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H A Dudp.c26 #include "peer.h"
72 struct ovpn_peer *peer; in ovpn_udp_encap_recv() local
91 * They are required to fetch the OP code, the key ID and the peer ID. in ovpn_udp_encap_recv()
112 * peer-id set to UNDEF. In this case we skip the peer lookup by peer-id in ovpn_udp_encap_recv()
116 peer = ovpn_peer_get_by_transp_addr(ovpn, skb); in ovpn_udp_encap_recv()
118 peer = ovpn_peer_get_by_id(ovpn, peer_id); in ovpn_udp_encap_recv()
120 if (unlikely(!peer)) in ovpn_udp_encap_recv()
125 ovpn_recv(peer, skb); in ovpn_udp_encap_recv()
137 * @peer: the destination peer
138 * @bind: the binding related to the destination peer
[all …]
/linux/drivers/net/wireless/ath/ath11k/
H A Dpeer.c8 #include "peer.h"
14 struct ath11k_peer *peer; in ath11k_peer_find_list_by_id() local
18 list_for_each_entry(peer, &ab->peers, list) { in ath11k_peer_find_list_by_id()
19 if (peer->peer_id != peer_id) in ath11k_peer_find_list_by_id()
22 return peer; in ath11k_peer_find_list_by_id()
31 struct ath11k_peer *peer; in ath11k_peer_find() local
35 list_for_each_entry(peer, &ab->peers, list) { in ath11k_peer_find()
36 if (peer->vdev_id != vdev_id) in ath11k_peer_find()
38 if (!ether_addr_equal(peer->addr, addr)) in ath11k_peer_find()
41 return peer; in ath11k_peer_find()
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/linux/drivers/net/wireless/ath/ath12k/
H A Dpeer.c8 #include "peer.h"
30 struct ath12k_peer *peer; in ath12k_peer_find() local
34 list_for_each_entry(peer, &ab->peers, list) { in ath12k_peer_find()
35 if (peer->vdev_id != vdev_id) in ath12k_peer_find()
37 if (!ether_addr_equal(peer->addr, addr)) in ath12k_peer_find()
40 return peer; in ath12k_peer_find()
49 struct ath12k_peer *peer; in ath12k_peer_find_by_pdev_idx() local
53 list_for_each_entry(peer, &ab->peers, list) { in ath12k_peer_find_by_pdev_idx()
54 if (peer->pdev_idx != pdev_idx) in ath12k_peer_find_by_pdev_idx()
56 if (!ether_addr_equal(peer->addr, addr)) in ath12k_peer_find_by_pdev_idx()
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/linux/net/tipc/
H A Dmonitor.c49 * @ack_gen: most recent generation of self's domain acked by peer
63 /* struct tipc_peer: state of a peer node and its domain
64 * @addr: tipc node identity of peer
65 * @head_map: shows which other nodes currently consider peer 'up'
66 * @domain: most recent domain record from peer
70 * @is_up: peer is up as seen from this node
71 * @is_head: peer is assigned domain head as seen from this node
72 * @is_local: peer is in local domain and should be continuously monitored
166 static struct tipc_peer *peer_prev(struct tipc_peer *peer) in peer_prev() argument
168 return list_last_entry(&peer->list, struct tipc_peer, list); in peer_prev()
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/linux/Documentation/netlink/specs/
H A Dovpn.yaml25 name: del-peer-reason
39 name: peer
45 The unique ID of the peer in the device context. To be used to
52 doc: The remote IPv4 address of the peer
58 doc: The remote IPv6 address of the peer
65 doc: The scope id of the remote IPv6 address of the peer (RFC2553)
69 doc: The remote port of the peer
76 doc: The socket to be used to communicate with the peer
80 doc: The ID of the netns the socket assigned to this peer lives in
84 doc: The IPv4 address assigned to the peer by the server
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/linux/drivers/ntb/test/
H A Dntb_perf.c64 * Eg: start performance test with peer (index 0) and get the test metrics
204 int (*cmd_send)(struct perf_peer *peer, enum perf_cmd cmd, u64 data);
249 static inline bool perf_link_is_up(struct perf_peer *peer) in perf_link_is_up() argument
253 link = ntb_link_is_up(peer->perf->ntb, NULL, NULL); in perf_link_is_up()
254 return !!(link & BIT_ULL_MASK(peer->pidx)); in perf_link_is_up()
257 static int perf_spad_cmd_send(struct perf_peer *peer, enum perf_cmd cmd, in perf_spad_cmd_send() argument
260 struct perf_ctx *perf = peer->perf; in perf_spad_cmd_send()
274 if (!perf_link_is_up(peer)) in perf_spad_cmd_send()
277 sts = ntb_peer_spad_read(perf->ntb, peer->pidx, in perf_spad_cmd_send()
284 ntb_peer_spad_write(perf->ntb, peer->pidx, in perf_spad_cmd_send()
[all …]
H A Dntb_msi_test.c131 static void ntb_msit_copy_peer_desc(struct ntb_msit_ctx *nm, int peer) in ntb_msit_copy_peer_desc() argument
134 struct ntb_msi_desc *desc = nm->peers[peer].msi_desc; in ntb_msit_copy_peer_desc()
135 int irq_count = nm->peers[peer].num_irqs; in ntb_msit_copy_peer_desc()
138 desc[i].addr_offset = ntb_peer_spad_read(nm->ntb, peer, in ntb_msit_copy_peer_desc()
140 desc[i].data = ntb_peer_spad_read(nm->ntb, peer, 2 * i + 2); in ntb_msit_copy_peer_desc()
143 dev_info(&nm->ntb->dev, "Found %d interrupts on peer %d\n", in ntb_msit_copy_peer_desc()
144 irq_count, peer); in ntb_msit_copy_peer_desc()
146 complete_all(&nm->peers[peer].init_comp); in ntb_msit_copy_peer_desc()
155 int peer; in ntb_msit_db_event() local
159 for (peer = 0; peer < sizeof(peer_mask) * 8; peer++) { in ntb_msit_db_event()
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/linux/net/sctp/
H A Dassociola.c171 asoc->peer.rwnd = SCTP_DEFAULT_MAXWINDOW; in sctp_association_init()
207 INIT_LIST_HEAD(&asoc->peer.transport_addr_list); in sctp_association_init()
220 asoc->peer.sack_needed = 1; in sctp_association_init()
221 asoc->peer.sack_generation = 1; in sctp_association_init()
239 /* Assume that peer would support both address types unless we are in sctp_association_init()
242 asoc->peer.ipv4_address = 1; in sctp_association_init()
244 asoc->peer.ipv6_address = 1; in sctp_association_init()
348 sctp_tsnmap_free(&asoc->peer.tsn_map); in sctp_association_free()
369 /* Free peer's cached cookie. */ in sctp_association_free()
370 kfree(asoc->peer in sctp_association_free()
483 sctp_assoc_rm_peer(struct sctp_association * asoc,struct sctp_transport * peer) sctp_assoc_rm_peer() argument
588 struct sctp_transport *peer; sctp_assoc_add_peer() local
[all...]
/linux/Documentation/driver-api/
H A Dntb.rst14 peer. Doorbell registers provide a way for peers to send interrupt events.
15 Memory windows allow translated read and write access to the peer memory.
43 configured by the peer, on the peer ntb port. The first type is
48 Memory: Local NTB Port: Peer NTB Port: Peer MMIO:
57 3) somehow notify a peer device of performed initialization, 4) peer device
62 initialized by a peer device, is depicted on the figure::
66 Memory: Local NTB Port: Peer NTB Port: Peer MMIO:
74 1) allocate a memory region, 2) somehow deliver a translated address to a peer
75 device, 3) peer puts the translated address to NTB config, 4) peer device maps
85 3) Send the translated address and memory window index to a peer device
[all …]
/linux/drivers/net/
H A Dnetkit.c20 struct net_device __rcu *peer; member
84 struct net_device *peer; in netkit_xmit() local
89 peer = rcu_dereference(nk->peer); in netkit_xmit()
90 if (unlikely(!peer || !(peer->flags & IFF_UP) || in netkit_xmit()
94 netkit_prep_forward(skb, !net_eq(dev_net(dev), dev_net(peer)), in netkit_xmit()
96 eth_skb_pkt_type(skb, peer); in netkit_xmit()
97 skb->dev = peer; in netkit_xmit()
108 dev_sw_netstats_rx_add(peer, len); in netkit_xmit()
134 struct net_device *peer = rtnl_dereference(nk->peer); in netkit_open() local
136 if (!peer) in netkit_open()
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H A Dveth.c75 struct net_device __rcu *peer; member
201 struct net_device *peer = rtnl_dereference(priv->peer); in veth_get_ethtool_stats() local
204 data[0] = peer ? peer->ifindex : 0; in veth_get_ethtool_stats()
223 if (!peer) in veth_get_ethtool_stats()
226 rcv_priv = netdev_priv(peer); in veth_get_ethtool_stats()
227 for (i = 0; i < peer->real_num_rx_queues; i++) { in veth_get_ethtool_stats()
354 rcv = rcu_dereference(priv->peer); in veth_xmit()
453 struct net_device *peer; in veth_get_stats64() local
466 peer = rcu_dereference(priv->peer); in veth_get_stats64()
467 if (peer) { in veth_get_stats64()
[all …]
/linux/net/bluetooth/
H A D6lowpan.c61 /* peer addresses in various formats */
85 struct lowpan_peer *peer) in peer_add() argument
87 list_add_rcu(&peer->list, &dev->peers); in peer_add()
92 struct lowpan_peer *peer) in peer_del() argument
94 list_del_rcu(&peer->list); in peer_del()
95 kfree_rcu(peer, rcu); in peer_del()
100 BT_DBG("last peer"); in peer_del()
110 struct lowpan_peer *peer; in __peer_lookup_chan() local
112 list_for_each_entry_rcu(peer, &dev->peers, list) { in __peer_lookup_chan()
113 if (peer->chan == chan) in __peer_lookup_chan()
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/linux/net/smc/
H A Dsmc_cdc.h195 static inline void smc_host_cursor_to_cdc(union smc_cdc_cursor *peer, in smc_host_cursor_to_cdc() argument
201 peer->count = htonl(save->count); in smc_host_cursor_to_cdc()
202 peer->wrap = htons(save->wrap); in smc_host_cursor_to_cdc()
203 /* peer->reserved = htons(0); must be ensured by caller */ in smc_host_cursor_to_cdc()
206 static inline void smc_host_msg_to_cdc(struct smc_cdc_msg *peer, in smc_host_msg_to_cdc() argument
212 peer->common.type = local->common.type; in smc_host_msg_to_cdc()
213 peer->len = local->len; in smc_host_msg_to_cdc()
214 peer->seqno = htons(local->seqno); in smc_host_msg_to_cdc()
215 peer->token = htonl(local->token); in smc_host_msg_to_cdc()
216 smc_host_cursor_to_cdc(&peer->prod, &local->prod, save, conn); in smc_host_msg_to_cdc()
[all …]
/linux/drivers/ntb/
H A Dmsi.c24 * the peer memory windows.
89 * inbound memory windows for each peer (where N is the number of peers).
99 int peer, peer_widx; in ntb_msi_setup_mws() local
114 for (peer = 0; peer < ntb_peer_port_count(ntb); peer++) { in ntb_msi_setup_mws()
115 peer_widx = ntb_peer_highest_mw_idx(ntb, peer); in ntb_msi_setup_mws()
119 ret = ntb_mw_get_align(ntb, peer, peer_widx, &addr_align, in ntb_msi_setup_mws()
127 for (peer = 0; peer < ntb_peer_port_count(ntb); peer++) { in ntb_msi_setup_mws()
128 peer_widx = ntb_peer_highest_mw_idx(ntb, peer); in ntb_msi_setup_mws()
134 ret = ntb_mw_get_align(ntb, peer, peer_widx, NULL, in ntb_msi_setup_mws()
144 ret = ntb_mw_set_trans(ntb, peer, peer_widx, in ntb_msi_setup_mws()
[all …]

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