diff options
author | James Bottomley <jejb@titanic.(none)> | 2005-11-10 09:29:07 -0500 |
---|---|---|
committer | James Bottomley <jejb@titanic.(none)> | 2005-11-10 09:29:07 -0500 |
commit | 8a87a0b6313109d2fea87b1271d497c954ce2ca8 (patch) | |
tree | 1b7ae51ff681e27118590e9cab4bf0ce38f5d80e /include/net | |
parent | e6a04466ba965875a6132700fabb2f2c0249c41a (diff) | |
parent | 3b44f137b9a846c5452d9e6e1271b79b1dbcc942 (diff) |
Merge by hand (whitespace conflicts in libata.h)
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/bluetooth/bluetooth.h | 4 | ||||
-rw-r--r-- | include/net/bluetooth/hci.h | 116 | ||||
-rw-r--r-- | include/net/bluetooth/hci_core.h | 9 | ||||
-rw-r--r-- | include/net/bluetooth/rfcomm.h | 2 | ||||
-rw-r--r-- | include/net/genetlink.h | 154 | ||||
-rw-r--r-- | include/net/ieee80211.h | 2 | ||||
-rw-r--r-- | include/net/ieee80211_crypt.h | 1 | ||||
-rw-r--r-- | include/net/ipv6.h | 67 | ||||
-rw-r--r-- | include/net/netfilter/ipv4/nf_conntrack_icmp.h | 11 | ||||
-rw-r--r-- | include/net/netfilter/ipv4/nf_conntrack_ipv4.h | 43 | ||||
-rw-r--r-- | include/net/netfilter/ipv6/nf_conntrack_icmpv6.h | 27 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack.h | 354 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_compat.h | 108 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_core.h | 76 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_helper.h | 51 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_l3proto.h | 93 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_protocol.h | 105 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_tuple.h | 190 | ||||
-rw-r--r-- | include/net/netlink.h | 883 | ||||
-rw-r--r-- | include/net/sock.h | 20 |
20 files changed, 2232 insertions, 84 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index e42d728b1620..911ceb5cd263 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h | |||
@@ -57,8 +57,6 @@ | |||
57 | #define BT_DBG(fmt, arg...) printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg) | 57 | #define BT_DBG(fmt, arg...) printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg) |
58 | #define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __FUNCTION__ , ## arg) | 58 | #define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __FUNCTION__ , ## arg) |
59 | 59 | ||
60 | extern struct proc_dir_entry *proc_bt; | ||
61 | |||
62 | /* Connection and socket states */ | 60 | /* Connection and socket states */ |
63 | enum { | 61 | enum { |
64 | BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */ | 62 | BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */ |
@@ -177,4 +175,6 @@ extern int hci_sock_cleanup(void); | |||
177 | extern int bt_sysfs_init(void); | 175 | extern int bt_sysfs_init(void); |
178 | extern void bt_sysfs_cleanup(void); | 176 | extern void bt_sysfs_cleanup(void); |
179 | 177 | ||
178 | extern struct class bt_class; | ||
179 | |||
180 | #endif /* __BLUETOOTH_H */ | 180 | #endif /* __BLUETOOTH_H */ |
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index fa2d12b0579b..b06a2d2f63d2 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h | |||
@@ -184,10 +184,10 @@ enum { | |||
184 | struct hci_rp_read_loc_version { | 184 | struct hci_rp_read_loc_version { |
185 | __u8 status; | 185 | __u8 status; |
186 | __u8 hci_ver; | 186 | __u8 hci_ver; |
187 | __u16 hci_rev; | 187 | __le16 hci_rev; |
188 | __u8 lmp_ver; | 188 | __u8 lmp_ver; |
189 | __u16 manufacturer; | 189 | __le16 manufacturer; |
190 | __u16 lmp_subver; | 190 | __le16 lmp_subver; |
191 | } __attribute__ ((packed)); | 191 | } __attribute__ ((packed)); |
192 | 192 | ||
193 | #define OCF_READ_LOCAL_FEATURES 0x0003 | 193 | #define OCF_READ_LOCAL_FEATURES 0x0003 |
@@ -199,10 +199,10 @@ struct hci_rp_read_loc_features { | |||
199 | #define OCF_READ_BUFFER_SIZE 0x0005 | 199 | #define OCF_READ_BUFFER_SIZE 0x0005 |
200 | struct hci_rp_read_buffer_size { | 200 | struct hci_rp_read_buffer_size { |
201 | __u8 status; | 201 | __u8 status; |
202 | __u16 acl_mtu; | 202 | __le16 acl_mtu; |
203 | __u8 sco_mtu; | 203 | __u8 sco_mtu; |
204 | __u16 acl_max_pkt; | 204 | __le16 acl_max_pkt; |
205 | __u16 sco_max_pkt; | 205 | __le16 sco_max_pkt; |
206 | } __attribute__ ((packed)); | 206 | } __attribute__ ((packed)); |
207 | 207 | ||
208 | #define OCF_READ_BD_ADDR 0x0009 | 208 | #define OCF_READ_BD_ADDR 0x0009 |
@@ -267,21 +267,21 @@ struct hci_cp_write_dev_class { | |||
267 | 267 | ||
268 | #define OCF_READ_VOICE_SETTING 0x0025 | 268 | #define OCF_READ_VOICE_SETTING 0x0025 |
269 | struct hci_rp_read_voice_setting { | 269 | struct hci_rp_read_voice_setting { |
270 | __u8 status; | 270 | __u8 status; |
271 | __u16 voice_setting; | 271 | __le16 voice_setting; |
272 | } __attribute__ ((packed)); | 272 | } __attribute__ ((packed)); |
273 | 273 | ||
274 | #define OCF_WRITE_VOICE_SETTING 0x0026 | 274 | #define OCF_WRITE_VOICE_SETTING 0x0026 |
275 | struct hci_cp_write_voice_setting { | 275 | struct hci_cp_write_voice_setting { |
276 | __u16 voice_setting; | 276 | __le16 voice_setting; |
277 | } __attribute__ ((packed)); | 277 | } __attribute__ ((packed)); |
278 | 278 | ||
279 | #define OCF_HOST_BUFFER_SIZE 0x0033 | 279 | #define OCF_HOST_BUFFER_SIZE 0x0033 |
280 | struct hci_cp_host_buffer_size { | 280 | struct hci_cp_host_buffer_size { |
281 | __u16 acl_mtu; | 281 | __le16 acl_mtu; |
282 | __u8 sco_mtu; | 282 | __u8 sco_mtu; |
283 | __u16 acl_max_pkt; | 283 | __le16 acl_max_pkt; |
284 | __u16 sco_max_pkt; | 284 | __le16 sco_max_pkt; |
285 | } __attribute__ ((packed)); | 285 | } __attribute__ ((packed)); |
286 | 286 | ||
287 | /* Link Control */ | 287 | /* Link Control */ |
@@ -289,10 +289,10 @@ struct hci_cp_host_buffer_size { | |||
289 | #define OCF_CREATE_CONN 0x0005 | 289 | #define OCF_CREATE_CONN 0x0005 |
290 | struct hci_cp_create_conn { | 290 | struct hci_cp_create_conn { |
291 | bdaddr_t bdaddr; | 291 | bdaddr_t bdaddr; |
292 | __u16 pkt_type; | 292 | __le16 pkt_type; |
293 | __u8 pscan_rep_mode; | 293 | __u8 pscan_rep_mode; |
294 | __u8 pscan_mode; | 294 | __u8 pscan_mode; |
295 | __u16 clock_offset; | 295 | __le16 clock_offset; |
296 | __u8 role_switch; | 296 | __u8 role_switch; |
297 | } __attribute__ ((packed)); | 297 | } __attribute__ ((packed)); |
298 | 298 | ||
@@ -310,14 +310,14 @@ struct hci_cp_reject_conn_req { | |||
310 | 310 | ||
311 | #define OCF_DISCONNECT 0x0006 | 311 | #define OCF_DISCONNECT 0x0006 |
312 | struct hci_cp_disconnect { | 312 | struct hci_cp_disconnect { |
313 | __u16 handle; | 313 | __le16 handle; |
314 | __u8 reason; | 314 | __u8 reason; |
315 | } __attribute__ ((packed)); | 315 | } __attribute__ ((packed)); |
316 | 316 | ||
317 | #define OCF_ADD_SCO 0x0007 | 317 | #define OCF_ADD_SCO 0x0007 |
318 | struct hci_cp_add_sco { | 318 | struct hci_cp_add_sco { |
319 | __u16 handle; | 319 | __le16 handle; |
320 | __u16 pkt_type; | 320 | __le16 pkt_type; |
321 | } __attribute__ ((packed)); | 321 | } __attribute__ ((packed)); |
322 | 322 | ||
323 | #define OCF_INQUIRY 0x0001 | 323 | #define OCF_INQUIRY 0x0001 |
@@ -354,56 +354,56 @@ struct hci_cp_pin_code_neg_reply { | |||
354 | 354 | ||
355 | #define OCF_CHANGE_CONN_PTYPE 0x000F | 355 | #define OCF_CHANGE_CONN_PTYPE 0x000F |
356 | struct hci_cp_change_conn_ptype { | 356 | struct hci_cp_change_conn_ptype { |
357 | __u16 handle; | 357 | __le16 handle; |
358 | __u16 pkt_type; | 358 | __le16 pkt_type; |
359 | } __attribute__ ((packed)); | 359 | } __attribute__ ((packed)); |
360 | 360 | ||
361 | #define OCF_AUTH_REQUESTED 0x0011 | 361 | #define OCF_AUTH_REQUESTED 0x0011 |
362 | struct hci_cp_auth_requested { | 362 | struct hci_cp_auth_requested { |
363 | __u16 handle; | 363 | __le16 handle; |
364 | } __attribute__ ((packed)); | 364 | } __attribute__ ((packed)); |
365 | 365 | ||
366 | #define OCF_SET_CONN_ENCRYPT 0x0013 | 366 | #define OCF_SET_CONN_ENCRYPT 0x0013 |
367 | struct hci_cp_set_conn_encrypt { | 367 | struct hci_cp_set_conn_encrypt { |
368 | __u16 handle; | 368 | __le16 handle; |
369 | __u8 encrypt; | 369 | __u8 encrypt; |
370 | } __attribute__ ((packed)); | 370 | } __attribute__ ((packed)); |
371 | 371 | ||
372 | #define OCF_CHANGE_CONN_LINK_KEY 0x0015 | 372 | #define OCF_CHANGE_CONN_LINK_KEY 0x0015 |
373 | struct hci_cp_change_conn_link_key { | 373 | struct hci_cp_change_conn_link_key { |
374 | __u16 handle; | 374 | __le16 handle; |
375 | } __attribute__ ((packed)); | 375 | } __attribute__ ((packed)); |
376 | 376 | ||
377 | #define OCF_READ_REMOTE_FEATURES 0x001B | 377 | #define OCF_READ_REMOTE_FEATURES 0x001B |
378 | struct hci_cp_read_rmt_features { | 378 | struct hci_cp_read_rmt_features { |
379 | __u16 handle; | 379 | __le16 handle; |
380 | } __attribute__ ((packed)); | 380 | } __attribute__ ((packed)); |
381 | 381 | ||
382 | #define OCF_READ_REMOTE_VERSION 0x001D | 382 | #define OCF_READ_REMOTE_VERSION 0x001D |
383 | struct hci_cp_read_rmt_version { | 383 | struct hci_cp_read_rmt_version { |
384 | __u16 handle; | 384 | __le16 handle; |
385 | } __attribute__ ((packed)); | 385 | } __attribute__ ((packed)); |
386 | 386 | ||
387 | /* Link Policy */ | 387 | /* Link Policy */ |
388 | #define OGF_LINK_POLICY 0x02 | 388 | #define OGF_LINK_POLICY 0x02 |
389 | #define OCF_ROLE_DISCOVERY 0x0009 | 389 | #define OCF_ROLE_DISCOVERY 0x0009 |
390 | struct hci_cp_role_discovery { | 390 | struct hci_cp_role_discovery { |
391 | __u16 handle; | 391 | __le16 handle; |
392 | } __attribute__ ((packed)); | 392 | } __attribute__ ((packed)); |
393 | struct hci_rp_role_discovery { | 393 | struct hci_rp_role_discovery { |
394 | __u8 status; | 394 | __u8 status; |
395 | __u16 handle; | 395 | __le16 handle; |
396 | __u8 role; | 396 | __u8 role; |
397 | } __attribute__ ((packed)); | 397 | } __attribute__ ((packed)); |
398 | 398 | ||
399 | #define OCF_READ_LINK_POLICY 0x000C | 399 | #define OCF_READ_LINK_POLICY 0x000C |
400 | struct hci_cp_read_link_policy { | 400 | struct hci_cp_read_link_policy { |
401 | __u16 handle; | 401 | __le16 handle; |
402 | } __attribute__ ((packed)); | 402 | } __attribute__ ((packed)); |
403 | struct hci_rp_read_link_policy { | 403 | struct hci_rp_read_link_policy { |
404 | __u8 status; | 404 | __u8 status; |
405 | __u16 handle; | 405 | __le16 handle; |
406 | __u16 policy; | 406 | __le16 policy; |
407 | } __attribute__ ((packed)); | 407 | } __attribute__ ((packed)); |
408 | 408 | ||
409 | #define OCF_SWITCH_ROLE 0x000B | 409 | #define OCF_SWITCH_ROLE 0x000B |
@@ -414,12 +414,12 @@ struct hci_cp_switch_role { | |||
414 | 414 | ||
415 | #define OCF_WRITE_LINK_POLICY 0x000D | 415 | #define OCF_WRITE_LINK_POLICY 0x000D |
416 | struct hci_cp_write_link_policy { | 416 | struct hci_cp_write_link_policy { |
417 | __u16 handle; | 417 | __le16 handle; |
418 | __u16 policy; | 418 | __le16 policy; |
419 | } __attribute__ ((packed)); | 419 | } __attribute__ ((packed)); |
420 | struct hci_rp_write_link_policy { | 420 | struct hci_rp_write_link_policy { |
421 | __u8 status; | 421 | __u8 status; |
422 | __u16 handle; | 422 | __le16 handle; |
423 | } __attribute__ ((packed)); | 423 | } __attribute__ ((packed)); |
424 | 424 | ||
425 | /* Status params */ | 425 | /* Status params */ |
@@ -441,7 +441,7 @@ struct inquiry_info { | |||
441 | __u8 pscan_period_mode; | 441 | __u8 pscan_period_mode; |
442 | __u8 pscan_mode; | 442 | __u8 pscan_mode; |
443 | __u8 dev_class[3]; | 443 | __u8 dev_class[3]; |
444 | __u16 clock_offset; | 444 | __le16 clock_offset; |
445 | } __attribute__ ((packed)); | 445 | } __attribute__ ((packed)); |
446 | 446 | ||
447 | #define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22 | 447 | #define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22 |
@@ -450,7 +450,7 @@ struct inquiry_info_with_rssi { | |||
450 | __u8 pscan_rep_mode; | 450 | __u8 pscan_rep_mode; |
451 | __u8 pscan_period_mode; | 451 | __u8 pscan_period_mode; |
452 | __u8 dev_class[3]; | 452 | __u8 dev_class[3]; |
453 | __u16 clock_offset; | 453 | __le16 clock_offset; |
454 | __s8 rssi; | 454 | __s8 rssi; |
455 | } __attribute__ ((packed)); | 455 | } __attribute__ ((packed)); |
456 | struct inquiry_info_with_rssi_and_pscan_mode { | 456 | struct inquiry_info_with_rssi_and_pscan_mode { |
@@ -459,7 +459,7 @@ struct inquiry_info_with_rssi_and_pscan_mode { | |||
459 | __u8 pscan_period_mode; | 459 | __u8 pscan_period_mode; |
460 | __u8 pscan_mode; | 460 | __u8 pscan_mode; |
461 | __u8 dev_class[3]; | 461 | __u8 dev_class[3]; |
462 | __u16 clock_offset; | 462 | __le16 clock_offset; |
463 | __s8 rssi; | 463 | __s8 rssi; |
464 | } __attribute__ ((packed)); | 464 | } __attribute__ ((packed)); |
465 | 465 | ||
@@ -469,7 +469,7 @@ struct extended_inquiry_info { | |||
469 | __u8 pscan_rep_mode; | 469 | __u8 pscan_rep_mode; |
470 | __u8 pscan_period_mode; | 470 | __u8 pscan_period_mode; |
471 | __u8 dev_class[3]; | 471 | __u8 dev_class[3]; |
472 | __u16 clock_offset; | 472 | __le16 clock_offset; |
473 | __s8 rssi; | 473 | __s8 rssi; |
474 | __u8 data[240]; | 474 | __u8 data[240]; |
475 | } __attribute__ ((packed)); | 475 | } __attribute__ ((packed)); |
@@ -477,7 +477,7 @@ struct extended_inquiry_info { | |||
477 | #define HCI_EV_CONN_COMPLETE 0x03 | 477 | #define HCI_EV_CONN_COMPLETE 0x03 |
478 | struct hci_ev_conn_complete { | 478 | struct hci_ev_conn_complete { |
479 | __u8 status; | 479 | __u8 status; |
480 | __u16 handle; | 480 | __le16 handle; |
481 | bdaddr_t bdaddr; | 481 | bdaddr_t bdaddr; |
482 | __u8 link_type; | 482 | __u8 link_type; |
483 | __u8 encr_mode; | 483 | __u8 encr_mode; |
@@ -493,27 +493,27 @@ struct hci_ev_conn_request { | |||
493 | #define HCI_EV_DISCONN_COMPLETE 0x05 | 493 | #define HCI_EV_DISCONN_COMPLETE 0x05 |
494 | struct hci_ev_disconn_complete { | 494 | struct hci_ev_disconn_complete { |
495 | __u8 status; | 495 | __u8 status; |
496 | __u16 handle; | 496 | __le16 handle; |
497 | __u8 reason; | 497 | __u8 reason; |
498 | } __attribute__ ((packed)); | 498 | } __attribute__ ((packed)); |
499 | 499 | ||
500 | #define HCI_EV_AUTH_COMPLETE 0x06 | 500 | #define HCI_EV_AUTH_COMPLETE 0x06 |
501 | struct hci_ev_auth_complete { | 501 | struct hci_ev_auth_complete { |
502 | __u8 status; | 502 | __u8 status; |
503 | __u16 handle; | 503 | __le16 handle; |
504 | } __attribute__ ((packed)); | 504 | } __attribute__ ((packed)); |
505 | 505 | ||
506 | #define HCI_EV_ENCRYPT_CHANGE 0x08 | 506 | #define HCI_EV_ENCRYPT_CHANGE 0x08 |
507 | struct hci_ev_encrypt_change { | 507 | struct hci_ev_encrypt_change { |
508 | __u8 status; | 508 | __u8 status; |
509 | __u16 handle; | 509 | __le16 handle; |
510 | __u8 encrypt; | 510 | __u8 encrypt; |
511 | } __attribute__ ((packed)); | 511 | } __attribute__ ((packed)); |
512 | 512 | ||
513 | #define HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE 0x09 | 513 | #define HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE 0x09 |
514 | struct hci_ev_change_conn_link_key_complete { | 514 | struct hci_ev_change_conn_link_key_complete { |
515 | __u8 status; | 515 | __u8 status; |
516 | __u16 handle; | 516 | __le16 handle; |
517 | } __attribute__ ((packed)); | 517 | } __attribute__ ((packed)); |
518 | 518 | ||
519 | #define HCI_EV_QOS_SETUP_COMPLETE 0x0D | 519 | #define HCI_EV_QOS_SETUP_COMPLETE 0x0D |
@@ -526,21 +526,21 @@ struct hci_qos { | |||
526 | } __attribute__ ((packed)); | 526 | } __attribute__ ((packed)); |
527 | struct hci_ev_qos_setup_complete { | 527 | struct hci_ev_qos_setup_complete { |
528 | __u8 status; | 528 | __u8 status; |
529 | __u16 handle; | 529 | __le16 handle; |
530 | struct hci_qos qos; | 530 | struct hci_qos qos; |
531 | } __attribute__ ((packed)); | 531 | } __attribute__ ((packed)); |
532 | 532 | ||
533 | #define HCI_EV_CMD_COMPLETE 0x0E | 533 | #define HCI_EV_CMD_COMPLETE 0x0E |
534 | struct hci_ev_cmd_complete { | 534 | struct hci_ev_cmd_complete { |
535 | __u8 ncmd; | 535 | __u8 ncmd; |
536 | __u16 opcode; | 536 | __le16 opcode; |
537 | } __attribute__ ((packed)); | 537 | } __attribute__ ((packed)); |
538 | 538 | ||
539 | #define HCI_EV_CMD_STATUS 0x0F | 539 | #define HCI_EV_CMD_STATUS 0x0F |
540 | struct hci_ev_cmd_status { | 540 | struct hci_ev_cmd_status { |
541 | __u8 status; | 541 | __u8 status; |
542 | __u8 ncmd; | 542 | __u8 ncmd; |
543 | __u16 opcode; | 543 | __le16 opcode; |
544 | } __attribute__ ((packed)); | 544 | } __attribute__ ((packed)); |
545 | 545 | ||
546 | #define HCI_EV_NUM_COMP_PKTS 0x13 | 546 | #define HCI_EV_NUM_COMP_PKTS 0x13 |
@@ -559,9 +559,9 @@ struct hci_ev_role_change { | |||
559 | #define HCI_EV_MODE_CHANGE 0x14 | 559 | #define HCI_EV_MODE_CHANGE 0x14 |
560 | struct hci_ev_mode_change { | 560 | struct hci_ev_mode_change { |
561 | __u8 status; | 561 | __u8 status; |
562 | __u16 handle; | 562 | __le16 handle; |
563 | __u8 mode; | 563 | __u8 mode; |
564 | __u16 interval; | 564 | __le16 interval; |
565 | } __attribute__ ((packed)); | 565 | } __attribute__ ((packed)); |
566 | 566 | ||
567 | #define HCI_EV_PIN_CODE_REQ 0x16 | 567 | #define HCI_EV_PIN_CODE_REQ 0x16 |
@@ -584,24 +584,24 @@ struct hci_ev_link_key_notify { | |||
584 | #define HCI_EV_RMT_FEATURES 0x0B | 584 | #define HCI_EV_RMT_FEATURES 0x0B |
585 | struct hci_ev_rmt_features { | 585 | struct hci_ev_rmt_features { |
586 | __u8 status; | 586 | __u8 status; |
587 | __u16 handle; | 587 | __le16 handle; |
588 | __u8 features[8]; | 588 | __u8 features[8]; |
589 | } __attribute__ ((packed)); | 589 | } __attribute__ ((packed)); |
590 | 590 | ||
591 | #define HCI_EV_RMT_VERSION 0x0C | 591 | #define HCI_EV_RMT_VERSION 0x0C |
592 | struct hci_ev_rmt_version { | 592 | struct hci_ev_rmt_version { |
593 | __u8 status; | 593 | __u8 status; |
594 | __u16 handle; | 594 | __le16 handle; |
595 | __u8 lmp_ver; | 595 | __u8 lmp_ver; |
596 | __u16 manufacturer; | 596 | __le16 manufacturer; |
597 | __u16 lmp_subver; | 597 | __le16 lmp_subver; |
598 | } __attribute__ ((packed)); | 598 | } __attribute__ ((packed)); |
599 | 599 | ||
600 | #define HCI_EV_CLOCK_OFFSET 0x01C | 600 | #define HCI_EV_CLOCK_OFFSET 0x01C |
601 | struct hci_ev_clock_offset { | 601 | struct hci_ev_clock_offset { |
602 | __u8 status; | 602 | __u8 status; |
603 | __u16 handle; | 603 | __le16 handle; |
604 | __u16 clock_offset; | 604 | __le16 clock_offset; |
605 | } __attribute__ ((packed)); | 605 | } __attribute__ ((packed)); |
606 | 606 | ||
607 | #define HCI_EV_PSCAN_REP_MODE 0x20 | 607 | #define HCI_EV_PSCAN_REP_MODE 0x20 |
@@ -638,7 +638,7 @@ struct hci_ev_si_security { | |||
638 | #define HCI_SCO_HDR_SIZE 3 | 638 | #define HCI_SCO_HDR_SIZE 3 |
639 | 639 | ||
640 | struct hci_command_hdr { | 640 | struct hci_command_hdr { |
641 | __u16 opcode; /* OCF & OGF */ | 641 | __le16 opcode; /* OCF & OGF */ |
642 | __u8 plen; | 642 | __u8 plen; |
643 | } __attribute__ ((packed)); | 643 | } __attribute__ ((packed)); |
644 | 644 | ||
@@ -648,22 +648,22 @@ struct hci_event_hdr { | |||
648 | } __attribute__ ((packed)); | 648 | } __attribute__ ((packed)); |
649 | 649 | ||
650 | struct hci_acl_hdr { | 650 | struct hci_acl_hdr { |
651 | __u16 handle; /* Handle & Flags(PB, BC) */ | 651 | __le16 handle; /* Handle & Flags(PB, BC) */ |
652 | __u16 dlen; | 652 | __le16 dlen; |
653 | } __attribute__ ((packed)); | 653 | } __attribute__ ((packed)); |
654 | 654 | ||
655 | struct hci_sco_hdr { | 655 | struct hci_sco_hdr { |
656 | __u16 handle; | 656 | __le16 handle; |
657 | __u8 dlen; | 657 | __u8 dlen; |
658 | } __attribute__ ((packed)); | 658 | } __attribute__ ((packed)); |
659 | 659 | ||
660 | /* Command opcode pack/unpack */ | 660 | /* Command opcode pack/unpack */ |
661 | #define hci_opcode_pack(ogf, ocf) (__u16)((ocf & 0x03ff)|(ogf << 10)) | 661 | #define hci_opcode_pack(ogf, ocf) (__u16) ((ocf & 0x03ff)|(ogf << 10)) |
662 | #define hci_opcode_ogf(op) (op >> 10) | 662 | #define hci_opcode_ogf(op) (op >> 10) |
663 | #define hci_opcode_ocf(op) (op & 0x03ff) | 663 | #define hci_opcode_ocf(op) (op & 0x03ff) |
664 | 664 | ||
665 | /* ACL handle and flags pack/unpack */ | 665 | /* ACL handle and flags pack/unpack */ |
666 | #define hci_handle_pack(h, f) (__u16)((h & 0x0fff)|(f << 12)) | 666 | #define hci_handle_pack(h, f) (__u16) ((h & 0x0fff)|(f << 12)) |
667 | #define hci_handle(h) (h & 0x0fff) | 667 | #define hci_handle(h) (h & 0x0fff) |
668 | #define hci_flags(h) (h >> 12) | 668 | #define hci_flags(h) (h >> 12) |
669 | 669 | ||
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 7f933f302078..bb9f81dc8723 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h | |||
@@ -25,7 +25,6 @@ | |||
25 | #ifndef __HCI_CORE_H | 25 | #ifndef __HCI_CORE_H |
26 | #define __HCI_CORE_H | 26 | #define __HCI_CORE_H |
27 | 27 | ||
28 | #include <linux/proc_fs.h> | ||
29 | #include <net/bluetooth/hci.h> | 28 | #include <net/bluetooth/hci.h> |
30 | 29 | ||
31 | /* HCI upper protocols */ | 30 | /* HCI upper protocols */ |
@@ -34,8 +33,6 @@ | |||
34 | 33 | ||
35 | #define HCI_INIT_TIMEOUT (HZ * 10) | 34 | #define HCI_INIT_TIMEOUT (HZ * 10) |
36 | 35 | ||
37 | extern struct proc_dir_entry *proc_bt_hci; | ||
38 | |||
39 | /* HCI Core structures */ | 36 | /* HCI Core structures */ |
40 | 37 | ||
41 | struct inquiry_data { | 38 | struct inquiry_data { |
@@ -44,7 +41,7 @@ struct inquiry_data { | |||
44 | __u8 pscan_period_mode; | 41 | __u8 pscan_period_mode; |
45 | __u8 pscan_mode; | 42 | __u8 pscan_mode; |
46 | __u8 dev_class[3]; | 43 | __u8 dev_class[3]; |
47 | __u16 clock_offset; | 44 | __le16 clock_offset; |
48 | __s8 rssi; | 45 | __s8 rssi; |
49 | }; | 46 | }; |
50 | 47 | ||
@@ -126,10 +123,6 @@ struct hci_dev { | |||
126 | 123 | ||
127 | atomic_t promisc; | 124 | atomic_t promisc; |
128 | 125 | ||
129 | #ifdef CONFIG_PROC_FS | ||
130 | struct proc_dir_entry *proc; | ||
131 | #endif | ||
132 | |||
133 | struct class_device class_dev; | 126 | struct class_device class_dev; |
134 | 127 | ||
135 | struct module *owner; | 128 | struct module *owner; |
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h index e656be7c001a..bbfac86734ec 100644 --- a/include/net/bluetooth/rfcomm.h +++ b/include/net/bluetooth/rfcomm.h | |||
@@ -351,6 +351,4 @@ int rfcomm_dev_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); | |||
351 | int rfcomm_init_ttys(void); | 351 | int rfcomm_init_ttys(void); |
352 | void rfcomm_cleanup_ttys(void); | 352 | void rfcomm_cleanup_ttys(void); |
353 | 353 | ||
354 | extern struct proc_dir_entry *proc_bt_rfcomm; | ||
355 | |||
356 | #endif /* __RFCOMM_H */ | 354 | #endif /* __RFCOMM_H */ |
diff --git a/include/net/genetlink.h b/include/net/genetlink.h new file mode 100644 index 000000000000..52d8b1a73d52 --- /dev/null +++ b/include/net/genetlink.h | |||
@@ -0,0 +1,154 @@ | |||
1 | #ifndef __NET_GENERIC_NETLINK_H | ||
2 | #define __NET_GENERIC_NETLINK_H | ||
3 | |||
4 | #include <linux/genetlink.h> | ||
5 | #include <net/netlink.h> | ||
6 | |||
7 | /** | ||
8 | * struct genl_family - generic netlink family | ||
9 | * @id: protocol family idenfitier | ||
10 | * @hdrsize: length of user specific header in bytes | ||
11 | * @name: name of family | ||
12 | * @version: protocol version | ||
13 | * @maxattr: maximum number of attributes supported | ||
14 | * @attrbuf: buffer to store parsed attributes | ||
15 | * @ops_list: list of all assigned operations | ||
16 | * @family_list: family list | ||
17 | */ | ||
18 | struct genl_family | ||
19 | { | ||
20 | unsigned int id; | ||
21 | unsigned int hdrsize; | ||
22 | char name[GENL_NAMSIZ]; | ||
23 | unsigned int version; | ||
24 | unsigned int maxattr; | ||
25 | struct module * owner; | ||
26 | struct nlattr ** attrbuf; /* private */ | ||
27 | struct list_head ops_list; /* private */ | ||
28 | struct list_head family_list; /* private */ | ||
29 | }; | ||
30 | |||
31 | #define GENL_ADMIN_PERM 0x01 | ||
32 | |||
33 | /** | ||
34 | * struct genl_info - receiving information | ||
35 | * @snd_seq: sending sequence number | ||
36 | * @snd_pid: netlink pid of sender | ||
37 | * @nlhdr: netlink message header | ||
38 | * @genlhdr: generic netlink message header | ||
39 | * @userhdr: user specific header | ||
40 | * @attrs: netlink attributes | ||
41 | */ | ||
42 | struct genl_info | ||
43 | { | ||
44 | u32 snd_seq; | ||
45 | u32 snd_pid; | ||
46 | struct nlmsghdr * nlhdr; | ||
47 | struct genlmsghdr * genlhdr; | ||
48 | void * userhdr; | ||
49 | struct nlattr ** attrs; | ||
50 | }; | ||
51 | |||
52 | /** | ||
53 | * struct genl_ops - generic netlink operations | ||
54 | * @cmd: command identifier | ||
55 | * @flags: flags | ||
56 | * @policy: attribute validation policy | ||
57 | * @doit: standard command callback | ||
58 | * @dumpit: callback for dumpers | ||
59 | * @ops_list: operations list | ||
60 | */ | ||
61 | struct genl_ops | ||
62 | { | ||
63 | unsigned int cmd; | ||
64 | unsigned int flags; | ||
65 | struct nla_policy *policy; | ||
66 | int (*doit)(struct sk_buff *skb, | ||
67 | struct genl_info *info); | ||
68 | int (*dumpit)(struct sk_buff *skb, | ||
69 | struct netlink_callback *cb); | ||
70 | struct list_head ops_list; | ||
71 | }; | ||
72 | |||
73 | extern int genl_register_family(struct genl_family *family); | ||
74 | extern int genl_unregister_family(struct genl_family *family); | ||
75 | extern int genl_register_ops(struct genl_family *, struct genl_ops *ops); | ||
76 | extern int genl_unregister_ops(struct genl_family *, struct genl_ops *ops); | ||
77 | |||
78 | extern struct sock *genl_sock; | ||
79 | |||
80 | /** | ||
81 | * genlmsg_put - Add generic netlink header to netlink message | ||
82 | * @skb: socket buffer holding the message | ||
83 | * @pid: netlink pid the message is addressed to | ||
84 | * @seq: sequence number (usually the one of the sender) | ||
85 | * @type: netlink message type | ||
86 | * @hdrlen: length of the user specific header | ||
87 | * @flags netlink message flags | ||
88 | * @cmd: generic netlink command | ||
89 | * @version: version | ||
90 | * | ||
91 | * Returns pointer to user specific header | ||
92 | */ | ||
93 | static inline void *genlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, | ||
94 | int type, int hdrlen, int flags, | ||
95 | u8 cmd, u8 version) | ||
96 | { | ||
97 | struct nlmsghdr *nlh; | ||
98 | struct genlmsghdr *hdr; | ||
99 | |||
100 | nlh = nlmsg_put(skb, pid, seq, type, GENL_HDRLEN + hdrlen, flags); | ||
101 | if (nlh == NULL) | ||
102 | return NULL; | ||
103 | |||
104 | hdr = nlmsg_data(nlh); | ||
105 | hdr->cmd = cmd; | ||
106 | hdr->version = version; | ||
107 | hdr->reserved = 0; | ||
108 | |||
109 | return (char *) hdr + GENL_HDRLEN; | ||
110 | } | ||
111 | |||
112 | /** | ||
113 | * genlmsg_end - Finalize a generic netlink message | ||
114 | * @skb: socket buffer the message is stored in | ||
115 | * @hdr: user specific header | ||
116 | */ | ||
117 | static inline int genlmsg_end(struct sk_buff *skb, void *hdr) | ||
118 | { | ||
119 | return nlmsg_end(skb, hdr - GENL_HDRLEN - NLMSG_HDRLEN); | ||
120 | } | ||
121 | |||
122 | /** | ||
123 | * genlmsg_cancel - Cancel construction of a generic netlink message | ||
124 | * @skb: socket buffer the message is stored in | ||
125 | * @hdr: generic netlink message header | ||
126 | */ | ||
127 | static inline int genlmsg_cancel(struct sk_buff *skb, void *hdr) | ||
128 | { | ||
129 | return nlmsg_cancel(skb, hdr - GENL_HDRLEN - NLMSG_HDRLEN); | ||
130 | } | ||
131 | |||
132 | /** | ||
133 | * genlmsg_multicast - multicast a netlink message | ||
134 | * @skb: netlink message as socket buffer | ||
135 | * @pid: own netlink pid to avoid sending to yourself | ||
136 | * @group: multicast group id | ||
137 | */ | ||
138 | static inline int genlmsg_multicast(struct sk_buff *skb, u32 pid, | ||
139 | unsigned int group) | ||
140 | { | ||
141 | return nlmsg_multicast(genl_sock, skb, pid, group); | ||
142 | } | ||
143 | |||
144 | /** | ||
145 | * genlmsg_unicast - unicast a netlink message | ||
146 | * @skb: netlink message as socket buffer | ||
147 | * @pid: netlink pid of the destination socket | ||
148 | */ | ||
149 | static inline int genlmsg_unicast(struct sk_buff *skb, u32 pid) | ||
150 | { | ||
151 | return nlmsg_unicast(genl_sock, skb, pid); | ||
152 | } | ||
153 | |||
154 | #endif /* __NET_GENERIC_NETLINK_H */ | ||
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h index 5e38dca1d082..b93fd8c1d884 100644 --- a/include/net/ieee80211.h +++ b/include/net/ieee80211.h | |||
@@ -29,7 +29,7 @@ | |||
29 | #include <linux/kernel.h> /* ARRAY_SIZE */ | 29 | #include <linux/kernel.h> /* ARRAY_SIZE */ |
30 | #include <linux/wireless.h> | 30 | #include <linux/wireless.h> |
31 | 31 | ||
32 | #define IEEE80211_VERSION "git-1.1.6" | 32 | #define IEEE80211_VERSION "git-1.1.7" |
33 | 33 | ||
34 | #define IEEE80211_DATA_LEN 2304 | 34 | #define IEEE80211_DATA_LEN 2304 |
35 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section | 35 | /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
diff --git a/include/net/ieee80211_crypt.h b/include/net/ieee80211_crypt.h index 0a1c2d82ca4b..225fc751d464 100644 --- a/include/net/ieee80211_crypt.h +++ b/include/net/ieee80211_crypt.h | |||
@@ -31,6 +31,7 @@ enum { | |||
31 | 31 | ||
32 | struct ieee80211_crypto_ops { | 32 | struct ieee80211_crypto_ops { |
33 | const char *name; | 33 | const char *name; |
34 | struct list_head list; | ||
34 | 35 | ||
35 | /* init new crypto context (e.g., allocate private data space, | 36 | /* init new crypto context (e.g., allocate private data space, |
36 | * select IV, etc.); returns NULL on failure or pointer to allocated | 37 | * select IV, etc.); returns NULL on failure or pointer to allocated |
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 65ec86678a08..6addb4d464d6 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h | |||
@@ -252,12 +252,25 @@ typedef int (*inet_getfrag_t) (const void *data, | |||
252 | char *, | 252 | char *, |
253 | unsigned int, unsigned int); | 253 | unsigned int, unsigned int); |
254 | 254 | ||
255 | 255 | extern int __ipv6_addr_type(const struct in6_addr *addr); | |
256 | extern int ipv6_addr_type(const struct in6_addr *addr); | 256 | static inline int ipv6_addr_type(const struct in6_addr *addr) |
257 | { | ||
258 | return __ipv6_addr_type(addr) & 0xffff; | ||
259 | } | ||
257 | 260 | ||
258 | static inline int ipv6_addr_scope(const struct in6_addr *addr) | 261 | static inline int ipv6_addr_scope(const struct in6_addr *addr) |
259 | { | 262 | { |
260 | return ipv6_addr_type(addr) & IPV6_ADDR_SCOPE_MASK; | 263 | return __ipv6_addr_type(addr) & IPV6_ADDR_SCOPE_MASK; |
264 | } | ||
265 | |||
266 | static inline int __ipv6_addr_src_scope(int type) | ||
267 | { | ||
268 | return (type == IPV6_ADDR_ANY ? __IPV6_ADDR_SCOPE_INVALID : (type >> 16)); | ||
269 | } | ||
270 | |||
271 | static inline int ipv6_addr_src_scope(const struct in6_addr *addr) | ||
272 | { | ||
273 | return __ipv6_addr_src_scope(__ipv6_addr_type(addr)); | ||
261 | } | 274 | } |
262 | 275 | ||
263 | static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr *a2) | 276 | static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr *a2) |
@@ -341,6 +354,54 @@ static inline int ipv6_addr_any(const struct in6_addr *a) | |||
341 | } | 354 | } |
342 | 355 | ||
343 | /* | 356 | /* |
357 | * find the first different bit between two addresses | ||
358 | * length of address must be a multiple of 32bits | ||
359 | */ | ||
360 | static inline int __ipv6_addr_diff(const void *token1, const void *token2, int addrlen) | ||
361 | { | ||
362 | const __u32 *a1 = token1, *a2 = token2; | ||
363 | int i; | ||
364 | |||
365 | addrlen >>= 2; | ||
366 | |||
367 | for (i = 0; i < addrlen; i++) { | ||
368 | __u32 xb = a1[i] ^ a2[i]; | ||
369 | if (xb) { | ||
370 | int j = 31; | ||
371 | |||
372 | xb = ntohl(xb); | ||
373 | while ((xb & (1 << j)) == 0) | ||
374 | j--; | ||
375 | |||
376 | return (i * 32 + 31 - j); | ||
377 | } | ||
378 | } | ||
379 | |||
380 | /* | ||
381 | * we should *never* get to this point since that | ||
382 | * would mean the addrs are equal | ||
383 | * | ||
384 | * However, we do get to it 8) And exacly, when | ||
385 | * addresses are equal 8) | ||
386 | * | ||
387 | * ip route add 1111::/128 via ... | ||
388 | * ip route add 1111::/64 via ... | ||
389 | * and we are here. | ||
390 | * | ||
391 | * Ideally, this function should stop comparison | ||
392 | * at prefix length. It does not, but it is still OK, | ||
393 | * if returned value is greater than prefix length. | ||
394 | * --ANK (980803) | ||
395 | */ | ||
396 | return (addrlen << 5); | ||
397 | } | ||
398 | |||
399 | static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_addr *a2) | ||
400 | { | ||
401 | return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr)); | ||
402 | } | ||
403 | |||
404 | /* | ||
344 | * Prototypes exported by ipv6 | 405 | * Prototypes exported by ipv6 |
345 | */ | 406 | */ |
346 | 407 | ||
diff --git a/include/net/netfilter/ipv4/nf_conntrack_icmp.h b/include/net/netfilter/ipv4/nf_conntrack_icmp.h new file mode 100644 index 000000000000..3dd22cff23ec --- /dev/null +++ b/include/net/netfilter/ipv4/nf_conntrack_icmp.h | |||
@@ -0,0 +1,11 @@ | |||
1 | #ifndef _NF_CONNTRACK_ICMP_H | ||
2 | #define _NF_CONNTRACK_ICMP_H | ||
3 | /* ICMP tracking. */ | ||
4 | #include <asm/atomic.h> | ||
5 | |||
6 | struct ip_ct_icmp | ||
7 | { | ||
8 | /* Optimization: when number in == number out, forget immediately. */ | ||
9 | atomic_t count; | ||
10 | }; | ||
11 | #endif /* _NF_CONNTRACK_ICMP_H */ | ||
diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h new file mode 100644 index 000000000000..25b081a730e6 --- /dev/null +++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h | |||
@@ -0,0 +1,43 @@ | |||
1 | /* | ||
2 | * IPv4 support for nf_conntrack. | ||
3 | * | ||
4 | * 23 Mar 2004: Yasuyuki Kozakai @ USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
5 | * - move L3 protocol dependent part from include/linux/netfilter_ipv4/ | ||
6 | * ip_conntarck.h | ||
7 | */ | ||
8 | |||
9 | #ifndef _NF_CONNTRACK_IPV4_H | ||
10 | #define _NF_CONNTRACK_IPV4_H | ||
11 | |||
12 | #ifdef CONFIG_IP_NF_NAT_NEEDED | ||
13 | #include <linux/netfilter_ipv4/ip_nat.h> | ||
14 | |||
15 | /* per conntrack: nat application helper private data */ | ||
16 | union ip_conntrack_nat_help { | ||
17 | /* insert nat helper private data here */ | ||
18 | }; | ||
19 | |||
20 | struct nf_conntrack_ipv4_nat { | ||
21 | struct ip_nat_info info; | ||
22 | union ip_conntrack_nat_help help; | ||
23 | #if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \ | ||
24 | defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE) | ||
25 | int masq_index; | ||
26 | #endif | ||
27 | }; | ||
28 | #endif /* CONFIG_IP_NF_NAT_NEEDED */ | ||
29 | |||
30 | struct nf_conntrack_ipv4 { | ||
31 | #ifdef CONFIG_IP_NF_NAT_NEEDED | ||
32 | struct nf_conntrack_ipv4_nat *nat; | ||
33 | #endif | ||
34 | }; | ||
35 | |||
36 | /* Returns new sk_buff, or NULL */ | ||
37 | struct sk_buff * | ||
38 | nf_ct_ipv4_ct_gather_frags(struct sk_buff *skb); | ||
39 | |||
40 | /* call to create an explicit dependency on nf_conntrack_l3proto_ipv4. */ | ||
41 | extern void need_ip_conntrack(void); | ||
42 | |||
43 | #endif /*_NF_CONNTRACK_IPV4_H*/ | ||
diff --git a/include/net/netfilter/ipv6/nf_conntrack_icmpv6.h b/include/net/netfilter/ipv6/nf_conntrack_icmpv6.h new file mode 100644 index 000000000000..86591afda29c --- /dev/null +++ b/include/net/netfilter/ipv6/nf_conntrack_icmpv6.h | |||
@@ -0,0 +1,27 @@ | |||
1 | /* | ||
2 | * ICMPv6 tracking. | ||
3 | * | ||
4 | * 21 Apl 2004: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
5 | * - separated from nf_conntrack_icmp.h | ||
6 | * | ||
7 | * Derived from include/linux/netfiter_ipv4/ip_conntrack_icmp.h | ||
8 | */ | ||
9 | |||
10 | #ifndef _NF_CONNTRACK_ICMPV6_H | ||
11 | #define _NF_CONNTRACK_ICMPV6_H | ||
12 | #include <asm/atomic.h> | ||
13 | |||
14 | #ifndef ICMPV6_NI_QUERY | ||
15 | #define ICMPV6_NI_QUERY 139 | ||
16 | #endif | ||
17 | #ifndef ICMPV6_NI_REPLY | ||
18 | #define ICMPV6_NI_REPLY 140 | ||
19 | #endif | ||
20 | |||
21 | struct nf_ct_icmpv6 | ||
22 | { | ||
23 | /* Optimization: when number in == number out, forget immediately. */ | ||
24 | atomic_t count; | ||
25 | }; | ||
26 | |||
27 | #endif /* _NF_CONNTRACK_ICMPV6_H */ | ||
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h new file mode 100644 index 000000000000..cc4825610795 --- /dev/null +++ b/include/net/netfilter/nf_conntrack.h | |||
@@ -0,0 +1,354 @@ | |||
1 | /* | ||
2 | * Connection state tracking for netfilter. This is separated from, | ||
3 | * but required by, the (future) NAT layer; it can also be used by an iptables | ||
4 | * extension. | ||
5 | * | ||
6 | * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
7 | * - generalize L3 protocol dependent part. | ||
8 | * | ||
9 | * Derived from include/linux/netfiter_ipv4/ip_conntrack.h | ||
10 | */ | ||
11 | |||
12 | #ifndef _NF_CONNTRACK_H | ||
13 | #define _NF_CONNTRACK_H | ||
14 | |||
15 | #include <linux/netfilter/nf_conntrack_common.h> | ||
16 | |||
17 | #ifdef __KERNEL__ | ||
18 | #include <linux/config.h> | ||
19 | #include <linux/bitops.h> | ||
20 | #include <linux/compiler.h> | ||
21 | #include <asm/atomic.h> | ||
22 | |||
23 | #include <linux/netfilter/nf_conntrack_tcp.h> | ||
24 | #include <linux/netfilter/nf_conntrack_sctp.h> | ||
25 | #include <net/netfilter/ipv4/nf_conntrack_icmp.h> | ||
26 | #include <net/netfilter/ipv6/nf_conntrack_icmpv6.h> | ||
27 | |||
28 | #include <net/netfilter/nf_conntrack_tuple.h> | ||
29 | |||
30 | /* per conntrack: protocol private data */ | ||
31 | union nf_conntrack_proto { | ||
32 | /* insert conntrack proto private data here */ | ||
33 | struct ip_ct_sctp sctp; | ||
34 | struct ip_ct_tcp tcp; | ||
35 | struct ip_ct_icmp icmp; | ||
36 | struct nf_ct_icmpv6 icmpv6; | ||
37 | }; | ||
38 | |||
39 | union nf_conntrack_expect_proto { | ||
40 | /* insert expect proto private data here */ | ||
41 | }; | ||
42 | |||
43 | /* Add protocol helper include file here */ | ||
44 | #include <linux/netfilter/nf_conntrack_ftp.h> | ||
45 | |||
46 | /* per conntrack: application helper private data */ | ||
47 | union nf_conntrack_help { | ||
48 | /* insert conntrack helper private data (master) here */ | ||
49 | struct ip_ct_ftp_master ct_ftp_info; | ||
50 | }; | ||
51 | |||
52 | #include <linux/types.h> | ||
53 | #include <linux/skbuff.h> | ||
54 | |||
55 | #ifdef CONFIG_NETFILTER_DEBUG | ||
56 | #define NF_CT_ASSERT(x) \ | ||
57 | do { \ | ||
58 | if (!(x)) \ | ||
59 | /* Wooah! I'm tripping my conntrack in a frenzy of \ | ||
60 | netplay... */ \ | ||
61 | printk("NF_CT_ASSERT: %s:%i(%s)\n", \ | ||
62 | __FILE__, __LINE__, __FUNCTION__); \ | ||
63 | } while(0) | ||
64 | #else | ||
65 | #define NF_CT_ASSERT(x) | ||
66 | #endif | ||
67 | |||
68 | struct nf_conntrack_helper; | ||
69 | |||
70 | #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> | ||
71 | struct nf_conn | ||
72 | { | ||
73 | /* Usage count in here is 1 for hash table/destruct timer, 1 per skb, | ||
74 | plus 1 for any connection(s) we are `master' for */ | ||
75 | struct nf_conntrack ct_general; | ||
76 | |||
77 | /* XXX should I move this to the tail ? - Y.K */ | ||
78 | /* These are my tuples; original and reply */ | ||
79 | struct nf_conntrack_tuple_hash tuplehash[IP_CT_DIR_MAX]; | ||
80 | |||
81 | /* Have we seen traffic both ways yet? (bitset) */ | ||
82 | unsigned long status; | ||
83 | |||
84 | /* Timer function; drops refcnt when it goes off. */ | ||
85 | struct timer_list timeout; | ||
86 | |||
87 | #ifdef CONFIG_NF_CT_ACCT | ||
88 | /* Accounting Information (same cache line as other written members) */ | ||
89 | struct ip_conntrack_counter counters[IP_CT_DIR_MAX]; | ||
90 | #endif | ||
91 | /* If we were expected by an expectation, this will be it */ | ||
92 | struct nf_conn *master; | ||
93 | |||
94 | /* Current number of expected connections */ | ||
95 | unsigned int expecting; | ||
96 | |||
97 | /* Helper. if any */ | ||
98 | struct nf_conntrack_helper *helper; | ||
99 | |||
100 | /* features - nat, helper, ... used by allocating system */ | ||
101 | u_int32_t features; | ||
102 | |||
103 | /* Storage reserved for other modules: */ | ||
104 | |||
105 | union nf_conntrack_proto proto; | ||
106 | |||
107 | #if defined(CONFIG_NF_CONNTRACK_MARK) | ||
108 | u_int32_t mark; | ||
109 | #endif | ||
110 | |||
111 | /* These members are dynamically allocated. */ | ||
112 | |||
113 | union nf_conntrack_help *help; | ||
114 | |||
115 | /* Layer 3 dependent members. (ex: NAT) */ | ||
116 | union { | ||
117 | struct nf_conntrack_ipv4 *ipv4; | ||
118 | } l3proto; | ||
119 | void *data[0]; | ||
120 | }; | ||
121 | |||
122 | struct nf_conntrack_expect | ||
123 | { | ||
124 | /* Internal linked list (global expectation list) */ | ||
125 | struct list_head list; | ||
126 | |||
127 | /* We expect this tuple, with the following mask */ | ||
128 | struct nf_conntrack_tuple tuple, mask; | ||
129 | |||
130 | /* Function to call after setup and insertion */ | ||
131 | void (*expectfn)(struct nf_conn *new, | ||
132 | struct nf_conntrack_expect *this); | ||
133 | |||
134 | /* The conntrack of the master connection */ | ||
135 | struct nf_conn *master; | ||
136 | |||
137 | /* Timer function; deletes the expectation. */ | ||
138 | struct timer_list timeout; | ||
139 | |||
140 | /* Usage count. */ | ||
141 | atomic_t use; | ||
142 | |||
143 | /* Flags */ | ||
144 | unsigned int flags; | ||
145 | |||
146 | #ifdef CONFIG_NF_NAT_NEEDED | ||
147 | /* This is the original per-proto part, used to map the | ||
148 | * expected connection the way the recipient expects. */ | ||
149 | union nf_conntrack_manip_proto saved_proto; | ||
150 | /* Direction relative to the master connection. */ | ||
151 | enum ip_conntrack_dir dir; | ||
152 | #endif | ||
153 | }; | ||
154 | |||
155 | #define NF_CT_EXPECT_PERMANENT 0x1 | ||
156 | |||
157 | static inline struct nf_conn * | ||
158 | nf_ct_tuplehash_to_ctrack(const struct nf_conntrack_tuple_hash *hash) | ||
159 | { | ||
160 | return container_of(hash, struct nf_conn, | ||
161 | tuplehash[hash->tuple.dst.dir]); | ||
162 | } | ||
163 | |||
164 | /* get master conntrack via master expectation */ | ||
165 | #define master_ct(conntr) (conntr->master) | ||
166 | |||
167 | /* Alter reply tuple (maybe alter helper). */ | ||
168 | extern void | ||
169 | nf_conntrack_alter_reply(struct nf_conn *conntrack, | ||
170 | const struct nf_conntrack_tuple *newreply); | ||
171 | |||
172 | /* Is this tuple taken? (ignoring any belonging to the given | ||
173 | conntrack). */ | ||
174 | extern int | ||
175 | nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, | ||
176 | const struct nf_conn *ignored_conntrack); | ||
177 | |||
178 | /* Return conntrack_info and tuple hash for given skb. */ | ||
179 | static inline struct nf_conn * | ||
180 | nf_ct_get(const struct sk_buff *skb, enum ip_conntrack_info *ctinfo) | ||
181 | { | ||
182 | *ctinfo = skb->nfctinfo; | ||
183 | return (struct nf_conn *)skb->nfct; | ||
184 | } | ||
185 | |||
186 | /* decrement reference count on a conntrack */ | ||
187 | static inline void nf_ct_put(struct nf_conn *ct) | ||
188 | { | ||
189 | NF_CT_ASSERT(ct); | ||
190 | nf_conntrack_put(&ct->ct_general); | ||
191 | } | ||
192 | |||
193 | /* call to create an explicit dependency on nf_conntrack. */ | ||
194 | extern void need_nf_conntrack(void); | ||
195 | |||
196 | extern int nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse, | ||
197 | const struct nf_conntrack_tuple *orig); | ||
198 | |||
199 | extern void __nf_ct_refresh_acct(struct nf_conn *ct, | ||
200 | enum ip_conntrack_info ctinfo, | ||
201 | const struct sk_buff *skb, | ||
202 | unsigned long extra_jiffies, | ||
203 | int do_acct); | ||
204 | |||
205 | /* Refresh conntrack for this many jiffies and do accounting */ | ||
206 | static inline void nf_ct_refresh_acct(struct nf_conn *ct, | ||
207 | enum ip_conntrack_info ctinfo, | ||
208 | const struct sk_buff *skb, | ||
209 | unsigned long extra_jiffies) | ||
210 | { | ||
211 | __nf_ct_refresh_acct(ct, ctinfo, skb, extra_jiffies, 1); | ||
212 | } | ||
213 | |||
214 | /* Refresh conntrack for this many jiffies */ | ||
215 | static inline void nf_ct_refresh(struct nf_conn *ct, | ||
216 | const struct sk_buff *skb, | ||
217 | unsigned long extra_jiffies) | ||
218 | { | ||
219 | __nf_ct_refresh_acct(ct, 0, skb, extra_jiffies, 0); | ||
220 | } | ||
221 | |||
222 | /* These are for NAT. Icky. */ | ||
223 | /* Update TCP window tracking data when NAT mangles the packet */ | ||
224 | extern void nf_conntrack_tcp_update(struct sk_buff *skb, | ||
225 | unsigned int dataoff, | ||
226 | struct nf_conn *conntrack, | ||
227 | int dir); | ||
228 | |||
229 | /* Call me when a conntrack is destroyed. */ | ||
230 | extern void (*nf_conntrack_destroyed)(struct nf_conn *conntrack); | ||
231 | |||
232 | /* Fake conntrack entry for untracked connections */ | ||
233 | extern struct nf_conn nf_conntrack_untracked; | ||
234 | |||
235 | extern int nf_ct_no_defrag; | ||
236 | |||
237 | /* Iterate over all conntracks: if iter returns true, it's deleted. */ | ||
238 | extern void | ||
239 | nf_ct_iterate_cleanup(int (*iter)(struct nf_conn *i, void *data), void *data); | ||
240 | extern void nf_conntrack_free(struct nf_conn *ct); | ||
241 | extern struct nf_conn * | ||
242 | nf_conntrack_alloc(const struct nf_conntrack_tuple *orig, | ||
243 | const struct nf_conntrack_tuple *repl); | ||
244 | |||
245 | /* It's confirmed if it is, or has been in the hash table. */ | ||
246 | static inline int nf_ct_is_confirmed(struct nf_conn *ct) | ||
247 | { | ||
248 | return test_bit(IPS_CONFIRMED_BIT, &ct->status); | ||
249 | } | ||
250 | |||
251 | static inline int nf_ct_is_dying(struct nf_conn *ct) | ||
252 | { | ||
253 | return test_bit(IPS_DYING_BIT, &ct->status); | ||
254 | } | ||
255 | |||
256 | extern unsigned int nf_conntrack_htable_size; | ||
257 | |||
258 | #define NF_CT_STAT_INC(count) (__get_cpu_var(nf_conntrack_stat).count++) | ||
259 | |||
260 | #ifdef CONFIG_NF_CONNTRACK_EVENTS | ||
261 | #include <linux/notifier.h> | ||
262 | #include <linux/interrupt.h> | ||
263 | |||
264 | struct nf_conntrack_ecache { | ||
265 | struct nf_conn *ct; | ||
266 | unsigned int events; | ||
267 | }; | ||
268 | DECLARE_PER_CPU(struct nf_conntrack_ecache, nf_conntrack_ecache); | ||
269 | |||
270 | #define CONNTRACK_ECACHE(x) (__get_cpu_var(nf_conntrack_ecache).x) | ||
271 | |||
272 | extern struct notifier_block *nf_conntrack_chain; | ||
273 | extern struct notifier_block *nf_conntrack_expect_chain; | ||
274 | |||
275 | static inline int nf_conntrack_register_notifier(struct notifier_block *nb) | ||
276 | { | ||
277 | return notifier_chain_register(&nf_conntrack_chain, nb); | ||
278 | } | ||
279 | |||
280 | static inline int nf_conntrack_unregister_notifier(struct notifier_block *nb) | ||
281 | { | ||
282 | return notifier_chain_unregister(&nf_conntrack_chain, nb); | ||
283 | } | ||
284 | |||
285 | static inline int | ||
286 | nf_conntrack_expect_register_notifier(struct notifier_block *nb) | ||
287 | { | ||
288 | return notifier_chain_register(&nf_conntrack_expect_chain, nb); | ||
289 | } | ||
290 | |||
291 | static inline int | ||
292 | nf_conntrack_expect_unregister_notifier(struct notifier_block *nb) | ||
293 | { | ||
294 | return notifier_chain_unregister(&nf_conntrack_expect_chain, nb); | ||
295 | } | ||
296 | |||
297 | extern void nf_ct_deliver_cached_events(const struct nf_conn *ct); | ||
298 | extern void __nf_ct_event_cache_init(struct nf_conn *ct); | ||
299 | |||
300 | static inline void | ||
301 | nf_conntrack_event_cache(enum ip_conntrack_events event, | ||
302 | const struct sk_buff *skb) | ||
303 | { | ||
304 | struct nf_conn *ct = (struct nf_conn *)skb->nfct; | ||
305 | struct nf_conntrack_ecache *ecache; | ||
306 | |||
307 | local_bh_disable(); | ||
308 | ecache = &__get_cpu_var(nf_conntrack_ecache); | ||
309 | if (ct != ecache->ct) | ||
310 | __nf_ct_event_cache_init(ct); | ||
311 | ecache->events |= event; | ||
312 | local_bh_enable(); | ||
313 | } | ||
314 | |||
315 | static inline void nf_conntrack_event(enum ip_conntrack_events event, | ||
316 | struct nf_conn *ct) | ||
317 | { | ||
318 | if (nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct)) | ||
319 | notifier_call_chain(&nf_conntrack_chain, event, ct); | ||
320 | } | ||
321 | |||
322 | static inline void | ||
323 | nf_conntrack_expect_event(enum ip_conntrack_expect_events event, | ||
324 | struct nf_conntrack_expect *exp) | ||
325 | { | ||
326 | notifier_call_chain(&nf_conntrack_expect_chain, event, exp); | ||
327 | } | ||
328 | #else /* CONFIG_NF_CONNTRACK_EVENTS */ | ||
329 | static inline void nf_conntrack_event_cache(enum ip_conntrack_events event, | ||
330 | const struct sk_buff *skb) {} | ||
331 | static inline void nf_conntrack_event(enum ip_conntrack_events event, | ||
332 | struct nf_conn *ct) {} | ||
333 | static inline void nf_ct_deliver_cached_events(const struct nf_conn *ct) {} | ||
334 | static inline void | ||
335 | nf_conntrack_expect_event(enum ip_conntrack_expect_events event, | ||
336 | struct nf_conntrack_expect *exp) {} | ||
337 | #endif /* CONFIG_NF_CONNTRACK_EVENTS */ | ||
338 | |||
339 | /* no helper, no nat */ | ||
340 | #define NF_CT_F_BASIC 0 | ||
341 | /* for helper */ | ||
342 | #define NF_CT_F_HELP 1 | ||
343 | /* for nat. */ | ||
344 | #define NF_CT_F_NAT 2 | ||
345 | #define NF_CT_F_NUM 4 | ||
346 | |||
347 | extern int | ||
348 | nf_conntrack_register_cache(u_int32_t features, const char *name, size_t size, | ||
349 | int (*init_conntrack)(struct nf_conn *, u_int32_t)); | ||
350 | extern void | ||
351 | nf_conntrack_unregister_cache(u_int32_t features); | ||
352 | |||
353 | #endif /* __KERNEL__ */ | ||
354 | #endif /* _NF_CONNTRACK_H */ | ||
diff --git a/include/net/netfilter/nf_conntrack_compat.h b/include/net/netfilter/nf_conntrack_compat.h new file mode 100644 index 000000000000..3cac19fb3648 --- /dev/null +++ b/include/net/netfilter/nf_conntrack_compat.h | |||
@@ -0,0 +1,108 @@ | |||
1 | #ifndef _NF_CONNTRACK_COMPAT_H | ||
2 | #define _NF_CONNTRACK_COMPAT_H | ||
3 | |||
4 | #ifdef __KERNEL__ | ||
5 | |||
6 | #if defined(CONFIG_IP_NF_CONNTRACK) || defined(CONFIG_IP_NF_CONNTRACK_MODULE) | ||
7 | |||
8 | #include <linux/netfilter_ipv4/ip_conntrack.h> | ||
9 | |||
10 | #ifdef CONFIG_IP_NF_CONNTRACK_MARK | ||
11 | static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb, | ||
12 | u_int32_t *ctinfo) | ||
13 | { | ||
14 | struct ip_conntrack *ct = ip_conntrack_get(skb, ctinfo); | ||
15 | |||
16 | if (ct) | ||
17 | return &ct->mark; | ||
18 | else | ||
19 | return NULL; | ||
20 | } | ||
21 | #endif /* CONFIG_IP_NF_CONNTRACK_MARK */ | ||
22 | |||
23 | #ifdef CONFIG_IP_NF_CT_ACCT | ||
24 | static inline struct ip_conntrack_counter * | ||
25 | nf_ct_get_counters(const struct sk_buff *skb) | ||
26 | { | ||
27 | enum ip_conntrack_info ctinfo; | ||
28 | struct ip_conntrack *ct = ip_conntrack_get(skb, &ctinfo); | ||
29 | |||
30 | if (ct) | ||
31 | return ct->counters; | ||
32 | else | ||
33 | return NULL; | ||
34 | } | ||
35 | #endif /* CONFIG_IP_NF_CT_ACCT */ | ||
36 | |||
37 | static inline int nf_ct_is_untracked(const struct sk_buff *skb) | ||
38 | { | ||
39 | return (skb->nfct == &ip_conntrack_untracked.ct_general); | ||
40 | } | ||
41 | |||
42 | static inline void nf_ct_untrack(struct sk_buff *skb) | ||
43 | { | ||
44 | skb->nfct = &ip_conntrack_untracked.ct_general; | ||
45 | } | ||
46 | |||
47 | static inline int nf_ct_get_ctinfo(const struct sk_buff *skb, | ||
48 | enum ip_conntrack_info *ctinfo) | ||
49 | { | ||
50 | struct ip_conntrack *ct = ip_conntrack_get(skb, ctinfo); | ||
51 | return (ct != NULL); | ||
52 | } | ||
53 | |||
54 | #else /* CONFIG_IP_NF_CONNTRACK */ | ||
55 | |||
56 | #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> | ||
57 | #include <net/netfilter/nf_conntrack.h> | ||
58 | |||
59 | #ifdef CONFIG_NF_CONNTRACK_MARK | ||
60 | |||
61 | static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb, | ||
62 | u_int32_t *ctinfo) | ||
63 | { | ||
64 | struct nf_conn *ct = nf_ct_get(skb, ctinfo); | ||
65 | |||
66 | if (ct) | ||
67 | return &ct->mark; | ||
68 | else | ||
69 | return NULL; | ||
70 | } | ||
71 | #endif /* CONFIG_NF_CONNTRACK_MARK */ | ||
72 | |||
73 | #ifdef CONFIG_NF_CT_ACCT | ||
74 | static inline struct ip_conntrack_counter * | ||
75 | nf_ct_get_counters(const struct sk_buff *skb) | ||
76 | { | ||
77 | enum ip_conntrack_info ctinfo; | ||
78 | struct nf_conn *ct = nf_ct_get(skb, &ctinfo); | ||
79 | |||
80 | if (ct) | ||
81 | return ct->counters; | ||
82 | else | ||
83 | return NULL; | ||
84 | } | ||
85 | #endif /* CONFIG_NF_CT_ACCT */ | ||
86 | |||
87 | static inline int nf_ct_is_untracked(const struct sk_buff *skb) | ||
88 | { | ||
89 | return (skb->nfct == &nf_conntrack_untracked.ct_general); | ||
90 | } | ||
91 | |||
92 | static inline void nf_ct_untrack(struct sk_buff *skb) | ||
93 | { | ||
94 | skb->nfct = &nf_conntrack_untracked.ct_general; | ||
95 | } | ||
96 | |||
97 | static inline int nf_ct_get_ctinfo(const struct sk_buff *skb, | ||
98 | enum ip_conntrack_info *ctinfo) | ||
99 | { | ||
100 | struct nf_conn *ct = nf_ct_get(skb, ctinfo); | ||
101 | return (ct != NULL); | ||
102 | } | ||
103 | |||
104 | #endif /* CONFIG_IP_NF_CONNTRACK */ | ||
105 | |||
106 | #endif /* __KERNEL__ */ | ||
107 | |||
108 | #endif /* _NF_CONNTRACK_COMPAT_H */ | ||
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h new file mode 100644 index 000000000000..da254525a4ce --- /dev/null +++ b/include/net/netfilter/nf_conntrack_core.h | |||
@@ -0,0 +1,76 @@ | |||
1 | /* | ||
2 | * This header is used to share core functionality between the | ||
3 | * standalone connection tracking module, and the compatibility layer's use | ||
4 | * of connection tracking. | ||
5 | * | ||
6 | * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
7 | * - generalize L3 protocol dependent part. | ||
8 | * | ||
9 | * Derived from include/linux/netfiter_ipv4/ip_conntrack_core.h | ||
10 | */ | ||
11 | |||
12 | #ifndef _NF_CONNTRACK_CORE_H | ||
13 | #define _NF_CONNTRACK_CORE_H | ||
14 | |||
15 | #include <linux/netfilter.h> | ||
16 | |||
17 | /* This header is used to share core functionality between the | ||
18 | standalone connection tracking module, and the compatibility layer's use | ||
19 | of connection tracking. */ | ||
20 | extern unsigned int nf_conntrack_in(int pf, | ||
21 | unsigned int hooknum, | ||
22 | struct sk_buff **pskb); | ||
23 | |||
24 | extern int nf_conntrack_init(void); | ||
25 | extern void nf_conntrack_cleanup(void); | ||
26 | |||
27 | struct nf_conntrack_l3proto; | ||
28 | extern struct nf_conntrack_l3proto *nf_ct_find_l3proto(u_int16_t pf); | ||
29 | /* Like above, but you already have conntrack read lock. */ | ||
30 | extern struct nf_conntrack_l3proto *__nf_ct_find_l3proto(u_int16_t l3proto); | ||
31 | |||
32 | struct nf_conntrack_protocol; | ||
33 | |||
34 | extern int | ||
35 | nf_ct_get_tuple(const struct sk_buff *skb, | ||
36 | unsigned int nhoff, | ||
37 | unsigned int dataoff, | ||
38 | u_int16_t l3num, | ||
39 | u_int8_t protonum, | ||
40 | struct nf_conntrack_tuple *tuple, | ||
41 | const struct nf_conntrack_l3proto *l3proto, | ||
42 | const struct nf_conntrack_protocol *protocol); | ||
43 | |||
44 | extern int | ||
45 | nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse, | ||
46 | const struct nf_conntrack_tuple *orig, | ||
47 | const struct nf_conntrack_l3proto *l3proto, | ||
48 | const struct nf_conntrack_protocol *protocol); | ||
49 | |||
50 | /* Find a connection corresponding to a tuple. */ | ||
51 | extern struct nf_conntrack_tuple_hash * | ||
52 | nf_conntrack_find_get(const struct nf_conntrack_tuple *tuple, | ||
53 | const struct nf_conn *ignored_conntrack); | ||
54 | |||
55 | extern int __nf_conntrack_confirm(struct sk_buff **pskb); | ||
56 | |||
57 | /* Confirm a connection: returns NF_DROP if packet must be dropped. */ | ||
58 | static inline int nf_conntrack_confirm(struct sk_buff **pskb) | ||
59 | { | ||
60 | struct nf_conn *ct = (struct nf_conn *)(*pskb)->nfct; | ||
61 | int ret = NF_ACCEPT; | ||
62 | |||
63 | if (ct) { | ||
64 | if (!nf_ct_is_confirmed(ct)) | ||
65 | ret = __nf_conntrack_confirm(pskb); | ||
66 | nf_ct_deliver_cached_events(ct); | ||
67 | } | ||
68 | return ret; | ||
69 | } | ||
70 | |||
71 | extern void __nf_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb); | ||
72 | |||
73 | extern struct list_head *nf_conntrack_hash; | ||
74 | extern struct list_head nf_conntrack_expect_list; | ||
75 | extern rwlock_t nf_conntrack_lock ; | ||
76 | #endif /* _NF_CONNTRACK_CORE_H */ | ||
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h new file mode 100644 index 000000000000..5a66b2a3a623 --- /dev/null +++ b/include/net/netfilter/nf_conntrack_helper.h | |||
@@ -0,0 +1,51 @@ | |||
1 | /* | ||
2 | * connection tracking helpers. | ||
3 | * | ||
4 | * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
5 | * - generalize L3 protocol dependent part. | ||
6 | * | ||
7 | * Derived from include/linux/netfiter_ipv4/ip_conntrack_helper.h | ||
8 | */ | ||
9 | |||
10 | #ifndef _NF_CONNTRACK_HELPER_H | ||
11 | #define _NF_CONNTRACK_HELPER_H | ||
12 | #include <net/netfilter/nf_conntrack.h> | ||
13 | |||
14 | struct module; | ||
15 | |||
16 | struct nf_conntrack_helper | ||
17 | { | ||
18 | struct list_head list; /* Internal use. */ | ||
19 | |||
20 | const char *name; /* name of the module */ | ||
21 | struct module *me; /* pointer to self */ | ||
22 | unsigned int max_expected; /* Maximum number of concurrent | ||
23 | * expected connections */ | ||
24 | unsigned int timeout; /* timeout for expecteds */ | ||
25 | |||
26 | /* Mask of things we will help (compared against server response) */ | ||
27 | struct nf_conntrack_tuple tuple; | ||
28 | struct nf_conntrack_tuple mask; | ||
29 | |||
30 | /* Function to call when data passes; return verdict, or -1 to | ||
31 | invalidate. */ | ||
32 | int (*help)(struct sk_buff **pskb, | ||
33 | unsigned int protoff, | ||
34 | struct nf_conn *ct, | ||
35 | enum ip_conntrack_info conntrackinfo); | ||
36 | }; | ||
37 | |||
38 | extern int nf_conntrack_helper_register(struct nf_conntrack_helper *); | ||
39 | extern void nf_conntrack_helper_unregister(struct nf_conntrack_helper *); | ||
40 | |||
41 | /* Allocate space for an expectation: this is mandatory before calling | ||
42 | nf_conntrack_expect_related. You will have to call put afterwards. */ | ||
43 | extern struct nf_conntrack_expect * | ||
44 | nf_conntrack_expect_alloc(struct nf_conn *master); | ||
45 | extern void nf_conntrack_expect_put(struct nf_conntrack_expect *exp); | ||
46 | |||
47 | /* Add an expected connection: can have more than one per connection */ | ||
48 | extern int nf_conntrack_expect_related(struct nf_conntrack_expect *exp); | ||
49 | extern void nf_conntrack_unexpect_related(struct nf_conntrack_expect *exp); | ||
50 | |||
51 | #endif /*_NF_CONNTRACK_HELPER_H*/ | ||
diff --git a/include/net/netfilter/nf_conntrack_l3proto.h b/include/net/netfilter/nf_conntrack_l3proto.h new file mode 100644 index 000000000000..01663e5b33df --- /dev/null +++ b/include/net/netfilter/nf_conntrack_l3proto.h | |||
@@ -0,0 +1,93 @@ | |||
1 | /* | ||
2 | * Copyright (C)2003,2004 USAGI/WIDE Project | ||
3 | * | ||
4 | * Header for use in defining a given L3 protocol for connection tracking. | ||
5 | * | ||
6 | * Author: | ||
7 | * Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
8 | * | ||
9 | * Derived from include/netfilter_ipv4/ip_conntrack_protocol.h | ||
10 | */ | ||
11 | |||
12 | #ifndef _NF_CONNTRACK_L3PROTO_H | ||
13 | #define _NF_CONNTRACK_L3PROTO_H | ||
14 | #include <linux/seq_file.h> | ||
15 | #include <net/netfilter/nf_conntrack.h> | ||
16 | |||
17 | struct nf_conntrack_l3proto | ||
18 | { | ||
19 | /* Next pointer. */ | ||
20 | struct list_head list; | ||
21 | |||
22 | /* L3 Protocol Family number. ex) PF_INET */ | ||
23 | u_int16_t l3proto; | ||
24 | |||
25 | /* Protocol name */ | ||
26 | const char *name; | ||
27 | |||
28 | /* | ||
29 | * Try to fill in the third arg: nhoff is offset of l3 proto | ||
30 | * hdr. Return true if possible. | ||
31 | */ | ||
32 | int (*pkt_to_tuple)(const struct sk_buff *skb, unsigned int nhoff, | ||
33 | struct nf_conntrack_tuple *tuple); | ||
34 | |||
35 | /* | ||
36 | * Invert the per-proto part of the tuple: ie. turn xmit into reply. | ||
37 | * Some packets can't be inverted: return 0 in that case. | ||
38 | */ | ||
39 | int (*invert_tuple)(struct nf_conntrack_tuple *inverse, | ||
40 | const struct nf_conntrack_tuple *orig); | ||
41 | |||
42 | /* Print out the per-protocol part of the tuple. */ | ||
43 | int (*print_tuple)(struct seq_file *s, | ||
44 | const struct nf_conntrack_tuple *); | ||
45 | |||
46 | /* Print out the private part of the conntrack. */ | ||
47 | int (*print_conntrack)(struct seq_file *s, const struct nf_conn *); | ||
48 | |||
49 | /* Returns verdict for packet, or -1 for invalid. */ | ||
50 | int (*packet)(struct nf_conn *conntrack, | ||
51 | const struct sk_buff *skb, | ||
52 | enum ip_conntrack_info ctinfo); | ||
53 | |||
54 | /* | ||
55 | * Called when a new connection for this protocol found; | ||
56 | * returns TRUE if it's OK. If so, packet() called next. | ||
57 | */ | ||
58 | int (*new)(struct nf_conn *conntrack, const struct sk_buff *skb); | ||
59 | |||
60 | /* Called when a conntrack entry is destroyed */ | ||
61 | void (*destroy)(struct nf_conn *conntrack); | ||
62 | |||
63 | /* | ||
64 | * Called before tracking. | ||
65 | * *dataoff: offset of protocol header (TCP, UDP,...) in *pskb | ||
66 | * *protonum: protocol number | ||
67 | */ | ||
68 | int (*prepare)(struct sk_buff **pskb, unsigned int hooknum, | ||
69 | unsigned int *dataoff, u_int8_t *protonum); | ||
70 | |||
71 | u_int32_t (*get_features)(const struct nf_conntrack_tuple *tuple); | ||
72 | |||
73 | /* Module (if any) which this is connected to. */ | ||
74 | struct module *me; | ||
75 | }; | ||
76 | |||
77 | extern struct nf_conntrack_l3proto *nf_ct_l3protos[AF_MAX]; | ||
78 | |||
79 | /* Protocol registration. */ | ||
80 | extern int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto); | ||
81 | extern void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto); | ||
82 | |||
83 | static inline struct nf_conntrack_l3proto * | ||
84 | nf_ct_find_l3proto(u_int16_t l3proto) | ||
85 | { | ||
86 | return nf_ct_l3protos[l3proto]; | ||
87 | } | ||
88 | |||
89 | /* Existing built-in protocols */ | ||
90 | extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4; | ||
91 | extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6; | ||
92 | extern struct nf_conntrack_l3proto nf_conntrack_generic_l3proto; | ||
93 | #endif /*_NF_CONNTRACK_L3PROTO_H*/ | ||
diff --git a/include/net/netfilter/nf_conntrack_protocol.h b/include/net/netfilter/nf_conntrack_protocol.h new file mode 100644 index 000000000000..b3afda35397a --- /dev/null +++ b/include/net/netfilter/nf_conntrack_protocol.h | |||
@@ -0,0 +1,105 @@ | |||
1 | /* | ||
2 | * Header for use in defining a given protocol for connection tracking. | ||
3 | * | ||
4 | * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
5 | * - generalized L3 protocol dependent part. | ||
6 | * | ||
7 | * Derived from include/linux/netfiter_ipv4/ip_conntrack_protcol.h | ||
8 | */ | ||
9 | |||
10 | #ifndef _NF_CONNTRACK_PROTOCOL_H | ||
11 | #define _NF_CONNTRACK_PROTOCOL_H | ||
12 | #include <net/netfilter/nf_conntrack.h> | ||
13 | |||
14 | struct seq_file; | ||
15 | |||
16 | struct nf_conntrack_protocol | ||
17 | { | ||
18 | /* Next pointer. */ | ||
19 | struct list_head list; | ||
20 | |||
21 | /* L3 Protocol number. */ | ||
22 | u_int16_t l3proto; | ||
23 | |||
24 | /* Protocol number. */ | ||
25 | u_int8_t proto; | ||
26 | |||
27 | /* Protocol name */ | ||
28 | const char *name; | ||
29 | |||
30 | /* Try to fill in the third arg: dataoff is offset past network protocol | ||
31 | hdr. Return true if possible. */ | ||
32 | int (*pkt_to_tuple)(const struct sk_buff *skb, | ||
33 | unsigned int dataoff, | ||
34 | struct nf_conntrack_tuple *tuple); | ||
35 | |||
36 | /* Invert the per-proto part of the tuple: ie. turn xmit into reply. | ||
37 | * Some packets can't be inverted: return 0 in that case. | ||
38 | */ | ||
39 | int (*invert_tuple)(struct nf_conntrack_tuple *inverse, | ||
40 | const struct nf_conntrack_tuple *orig); | ||
41 | |||
42 | /* Print out the per-protocol part of the tuple. Return like seq_* */ | ||
43 | int (*print_tuple)(struct seq_file *s, | ||
44 | const struct nf_conntrack_tuple *); | ||
45 | |||
46 | /* Print out the private part of the conntrack. */ | ||
47 | int (*print_conntrack)(struct seq_file *s, const struct nf_conn *); | ||
48 | |||
49 | /* Returns verdict for packet, or -1 for invalid. */ | ||
50 | int (*packet)(struct nf_conn *conntrack, | ||
51 | const struct sk_buff *skb, | ||
52 | unsigned int dataoff, | ||
53 | enum ip_conntrack_info ctinfo, | ||
54 | int pf, | ||
55 | unsigned int hooknum); | ||
56 | |||
57 | /* Called when a new connection for this protocol found; | ||
58 | * returns TRUE if it's OK. If so, packet() called next. */ | ||
59 | int (*new)(struct nf_conn *conntrack, const struct sk_buff *skb, | ||
60 | unsigned int dataoff); | ||
61 | |||
62 | /* Called when a conntrack entry is destroyed */ | ||
63 | void (*destroy)(struct nf_conn *conntrack); | ||
64 | |||
65 | int (*error)(struct sk_buff *skb, unsigned int dataoff, | ||
66 | enum ip_conntrack_info *ctinfo, | ||
67 | int pf, unsigned int hooknum); | ||
68 | |||
69 | /* Module (if any) which this is connected to. */ | ||
70 | struct module *me; | ||
71 | }; | ||
72 | |||
73 | /* Existing built-in protocols */ | ||
74 | extern struct nf_conntrack_protocol nf_conntrack_protocol_tcp6; | ||
75 | extern struct nf_conntrack_protocol nf_conntrack_protocol_udp4; | ||
76 | extern struct nf_conntrack_protocol nf_conntrack_protocol_udp6; | ||
77 | extern struct nf_conntrack_protocol nf_conntrack_generic_protocol; | ||
78 | |||
79 | #define MAX_NF_CT_PROTO 256 | ||
80 | extern struct nf_conntrack_protocol **nf_ct_protos[PF_MAX]; | ||
81 | |||
82 | extern struct nf_conntrack_protocol * | ||
83 | nf_ct_find_proto(u_int16_t l3proto, u_int8_t protocol); | ||
84 | |||
85 | /* Protocol registration. */ | ||
86 | extern int nf_conntrack_protocol_register(struct nf_conntrack_protocol *proto); | ||
87 | extern void nf_conntrack_protocol_unregister(struct nf_conntrack_protocol *proto); | ||
88 | |||
89 | /* Log invalid packets */ | ||
90 | extern unsigned int nf_ct_log_invalid; | ||
91 | |||
92 | #ifdef CONFIG_SYSCTL | ||
93 | #ifdef DEBUG_INVALID_PACKETS | ||
94 | #define LOG_INVALID(proto) \ | ||
95 | (nf_ct_log_invalid == (proto) || nf_ct_log_invalid == IPPROTO_RAW) | ||
96 | #else | ||
97 | #define LOG_INVALID(proto) \ | ||
98 | ((nf_ct_log_invalid == (proto) || nf_ct_log_invalid == IPPROTO_RAW) \ | ||
99 | && net_ratelimit()) | ||
100 | #endif | ||
101 | #else | ||
102 | #define LOG_INVALID(proto) 0 | ||
103 | #endif /* CONFIG_SYSCTL */ | ||
104 | |||
105 | #endif /*_NF_CONNTRACK_PROTOCOL_H*/ | ||
diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h new file mode 100644 index 000000000000..14ce790e5c65 --- /dev/null +++ b/include/net/netfilter/nf_conntrack_tuple.h | |||
@@ -0,0 +1,190 @@ | |||
1 | /* | ||
2 | * Definitions and Declarations for tuple. | ||
3 | * | ||
4 | * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | ||
5 | * - generalize L3 protocol dependent part. | ||
6 | * | ||
7 | * Derived from include/linux/netfiter_ipv4/ip_conntrack_tuple.h | ||
8 | */ | ||
9 | |||
10 | #ifndef _NF_CONNTRACK_TUPLE_H | ||
11 | #define _NF_CONNTRACK_TUPLE_H | ||
12 | |||
13 | #include <linux/netfilter/nf_conntrack_tuple_common.h> | ||
14 | |||
15 | /* A `tuple' is a structure containing the information to uniquely | ||
16 | identify a connection. ie. if two packets have the same tuple, they | ||
17 | are in the same connection; if not, they are not. | ||
18 | |||
19 | We divide the structure along "manipulatable" and | ||
20 | "non-manipulatable" lines, for the benefit of the NAT code. | ||
21 | */ | ||
22 | |||
23 | #define NF_CT_TUPLE_L3SIZE 4 | ||
24 | |||
25 | /* The l3 protocol-specific manipulable parts of the tuple: always in | ||
26 | network order! */ | ||
27 | union nf_conntrack_man_l3proto { | ||
28 | u_int32_t all[NF_CT_TUPLE_L3SIZE]; | ||
29 | u_int32_t ip; | ||
30 | u_int32_t ip6[4]; | ||
31 | }; | ||
32 | |||
33 | /* The protocol-specific manipulable parts of the tuple: always in | ||
34 | network order! */ | ||
35 | union nf_conntrack_man_proto | ||
36 | { | ||
37 | /* Add other protocols here. */ | ||
38 | u_int16_t all; | ||
39 | |||
40 | struct { | ||
41 | u_int16_t port; | ||
42 | } tcp; | ||
43 | struct { | ||
44 | u_int16_t port; | ||
45 | } udp; | ||
46 | struct { | ||
47 | u_int16_t id; | ||
48 | } icmp; | ||
49 | struct { | ||
50 | u_int16_t port; | ||
51 | } sctp; | ||
52 | }; | ||
53 | |||
54 | /* The manipulable part of the tuple. */ | ||
55 | struct nf_conntrack_man | ||
56 | { | ||
57 | union nf_conntrack_man_l3proto u3; | ||
58 | union nf_conntrack_man_proto u; | ||
59 | /* Layer 3 protocol */ | ||
60 | u_int16_t l3num; | ||
61 | }; | ||
62 | |||
63 | /* This contains the information to distinguish a connection. */ | ||
64 | struct nf_conntrack_tuple | ||
65 | { | ||
66 | struct nf_conntrack_man src; | ||
67 | |||
68 | /* These are the parts of the tuple which are fixed. */ | ||
69 | struct { | ||
70 | union { | ||
71 | u_int32_t all[NF_CT_TUPLE_L3SIZE]; | ||
72 | u_int32_t ip; | ||
73 | u_int32_t ip6[4]; | ||
74 | } u3; | ||
75 | union { | ||
76 | /* Add other protocols here. */ | ||
77 | u_int16_t all; | ||
78 | |||
79 | struct { | ||
80 | u_int16_t port; | ||
81 | } tcp; | ||
82 | struct { | ||
83 | u_int16_t port; | ||
84 | } udp; | ||
85 | struct { | ||
86 | u_int8_t type, code; | ||
87 | } icmp; | ||
88 | struct { | ||
89 | u_int16_t port; | ||
90 | } sctp; | ||
91 | } u; | ||
92 | |||
93 | /* The protocol. */ | ||
94 | u_int8_t protonum; | ||
95 | |||
96 | /* The direction (for tuplehash) */ | ||
97 | u_int8_t dir; | ||
98 | } dst; | ||
99 | }; | ||
100 | |||
101 | /* This is optimized opposed to a memset of the whole structure. Everything we | ||
102 | * really care about is the source/destination unions */ | ||
103 | #define NF_CT_TUPLE_U_BLANK(tuple) \ | ||
104 | do { \ | ||
105 | (tuple)->src.u.all = 0; \ | ||
106 | (tuple)->dst.u.all = 0; \ | ||
107 | memset(&(tuple)->src.u3, 0, sizeof((tuple)->src.u3)); \ | ||
108 | memset(&(tuple)->dst.u3, 0, sizeof((tuple)->dst.u3)); \ | ||
109 | } while (0) | ||
110 | |||
111 | #ifdef __KERNEL__ | ||
112 | |||
113 | #define NF_CT_DUMP_TUPLE(tp) \ | ||
114 | DEBUGP("tuple %p: %u %u %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x %hu -> %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x %hu\n", \ | ||
115 | (tp), (tp)->src.l3num, (tp)->dst.protonum, \ | ||
116 | NIP6(*(struct in6_addr *)(tp)->src.u3.all), ntohs((tp)->src.u.all), \ | ||
117 | NIP6(*(struct in6_addr *)(tp)->dst.u3.all), ntohs((tp)->dst.u.all)) | ||
118 | |||
119 | /* If we're the first tuple, it's the original dir. */ | ||
120 | #define NF_CT_DIRECTION(h) \ | ||
121 | ((enum ip_conntrack_dir)(h)->tuple.dst.dir) | ||
122 | |||
123 | /* Connections have two entries in the hash table: one for each way */ | ||
124 | struct nf_conntrack_tuple_hash | ||
125 | { | ||
126 | struct list_head list; | ||
127 | |||
128 | struct nf_conntrack_tuple tuple; | ||
129 | }; | ||
130 | |||
131 | #endif /* __KERNEL__ */ | ||
132 | |||
133 | static inline int nf_ct_tuple_src_equal(const struct nf_conntrack_tuple *t1, | ||
134 | const struct nf_conntrack_tuple *t2) | ||
135 | { | ||
136 | return (t1->src.u3.all[0] == t2->src.u3.all[0] && | ||
137 | t1->src.u3.all[1] == t2->src.u3.all[1] && | ||
138 | t1->src.u3.all[2] == t2->src.u3.all[2] && | ||
139 | t1->src.u3.all[3] == t2->src.u3.all[3] && | ||
140 | t1->src.u.all == t2->src.u.all && | ||
141 | t1->src.l3num == t2->src.l3num && | ||
142 | t1->dst.protonum == t2->dst.protonum); | ||
143 | } | ||
144 | |||
145 | static inline int nf_ct_tuple_dst_equal(const struct nf_conntrack_tuple *t1, | ||
146 | const struct nf_conntrack_tuple *t2) | ||
147 | { | ||
148 | return (t1->dst.u3.all[0] == t2->dst.u3.all[0] && | ||
149 | t1->dst.u3.all[1] == t2->dst.u3.all[1] && | ||
150 | t1->dst.u3.all[2] == t2->dst.u3.all[2] && | ||
151 | t1->dst.u3.all[3] == t2->dst.u3.all[3] && | ||
152 | t1->dst.u.all == t2->dst.u.all && | ||
153 | t1->src.l3num == t2->src.l3num && | ||
154 | t1->dst.protonum == t2->dst.protonum); | ||
155 | } | ||
156 | |||
157 | static inline int nf_ct_tuple_equal(const struct nf_conntrack_tuple *t1, | ||
158 | const struct nf_conntrack_tuple *t2) | ||
159 | { | ||
160 | return nf_ct_tuple_src_equal(t1, t2) && nf_ct_tuple_dst_equal(t1, t2); | ||
161 | } | ||
162 | |||
163 | static inline int nf_ct_tuple_mask_cmp(const struct nf_conntrack_tuple *t, | ||
164 | const struct nf_conntrack_tuple *tuple, | ||
165 | const struct nf_conntrack_tuple *mask) | ||
166 | { | ||
167 | int count = 0; | ||
168 | |||
169 | for (count = 0; count < NF_CT_TUPLE_L3SIZE; count++){ | ||
170 | if ((t->src.u3.all[count] ^ tuple->src.u3.all[count]) & | ||
171 | mask->src.u3.all[count]) | ||
172 | return 0; | ||
173 | } | ||
174 | |||
175 | for (count = 0; count < NF_CT_TUPLE_L3SIZE; count++){ | ||
176 | if ((t->dst.u3.all[count] ^ tuple->dst.u3.all[count]) & | ||
177 | mask->dst.u3.all[count]) | ||
178 | return 0; | ||
179 | } | ||
180 | |||
181 | if ((t->src.u.all ^ tuple->src.u.all) & mask->src.u.all || | ||
182 | (t->dst.u.all ^ tuple->dst.u.all) & mask->dst.u.all || | ||
183 | (t->src.l3num ^ tuple->src.l3num) & mask->src.l3num || | ||
184 | (t->dst.protonum ^ tuple->dst.protonum) & mask->dst.protonum) | ||
185 | return 0; | ||
186 | |||
187 | return 1; | ||
188 | } | ||
189 | |||
190 | #endif /* _NF_CONNTRACK_TUPLE_H */ | ||
diff --git a/include/net/netlink.h b/include/net/netlink.h new file mode 100644 index 000000000000..640c26a90cf1 --- /dev/null +++ b/include/net/netlink.h | |||
@@ -0,0 +1,883 @@ | |||
1 | #ifndef __NET_NETLINK_H | ||
2 | #define __NET_NETLINK_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | #include <linux/netlink.h> | ||
6 | |||
7 | /* ======================================================================== | ||
8 | * Netlink Messages and Attributes Interface (As Seen On TV) | ||
9 | * ------------------------------------------------------------------------ | ||
10 | * Messages Interface | ||
11 | * ------------------------------------------------------------------------ | ||
12 | * | ||
13 | * Message Format: | ||
14 | * <--- nlmsg_total_size(payload) ---> | ||
15 | * <-- nlmsg_msg_size(payload) -> | ||
16 | * +----------+- - -+-------------+- - -+-------- - - | ||
17 | * | nlmsghdr | Pad | Payload | Pad | nlmsghdr | ||
18 | * +----------+- - -+-------------+- - -+-------- - - | ||
19 | * nlmsg_data(nlh)---^ ^ | ||
20 | * nlmsg_next(nlh)-----------------------+ | ||
21 | * | ||
22 | * Payload Format: | ||
23 | * <---------------------- nlmsg_len(nlh) ---------------------> | ||
24 | * <------ hdrlen ------> <- nlmsg_attrlen(nlh, hdrlen) -> | ||
25 | * +----------------------+- - -+--------------------------------+ | ||
26 | * | Family Header | Pad | Attributes | | ||
27 | * +----------------------+- - -+--------------------------------+ | ||
28 | * nlmsg_attrdata(nlh, hdrlen)---^ | ||
29 | * | ||
30 | * Data Structures: | ||
31 | * struct nlmsghdr netlink message header | ||
32 | * | ||
33 | * Message Construction: | ||
34 | * nlmsg_new() create a new netlink message | ||
35 | * nlmsg_put() add a netlink message to an skb | ||
36 | * nlmsg_put_answer() callback based nlmsg_put() | ||
37 | * nlmsg_end() finanlize netlink message | ||
38 | * nlmsg_cancel() cancel message construction | ||
39 | * nlmsg_free() free a netlink message | ||
40 | * | ||
41 | * Message Sending: | ||
42 | * nlmsg_multicast() multicast message to several groups | ||
43 | * nlmsg_unicast() unicast a message to a single socket | ||
44 | * | ||
45 | * Message Length Calculations: | ||
46 | * nlmsg_msg_size(payload) length of message w/o padding | ||
47 | * nlmsg_total_size(payload) length of message w/ padding | ||
48 | * nlmsg_padlen(payload) length of padding at tail | ||
49 | * | ||
50 | * Message Payload Access: | ||
51 | * nlmsg_data(nlh) head of message payload | ||
52 | * nlmsg_len(nlh) length of message payload | ||
53 | * nlmsg_attrdata(nlh, hdrlen) head of attributes data | ||
54 | * nlmsg_attrlen(nlh, hdrlen) length of attributes data | ||
55 | * | ||
56 | * Message Parsing: | ||
57 | * nlmsg_ok(nlh, remaining) does nlh fit into remaining bytes? | ||
58 | * nlmsg_next(nlh, remaining) get next netlink message | ||
59 | * nlmsg_parse() parse attributes of a message | ||
60 | * nlmsg_find_attr() find an attribute in a message | ||
61 | * nlmsg_for_each_msg() loop over all messages | ||
62 | * nlmsg_validate() validate netlink message incl. attrs | ||
63 | * nlmsg_for_each_attr() loop over all attributes | ||
64 | * | ||
65 | * ------------------------------------------------------------------------ | ||
66 | * Attributes Interface | ||
67 | * ------------------------------------------------------------------------ | ||
68 | * | ||
69 | * Attribute Format: | ||
70 | * <------- nla_total_size(payload) -------> | ||
71 | * <---- nla_attr_size(payload) -----> | ||
72 | * +----------+- - -+- - - - - - - - - +- - -+-------- - - | ||
73 | * | Header | Pad | Payload | Pad | Header | ||
74 | * +----------+- - -+- - - - - - - - - +- - -+-------- - - | ||
75 | * <- nla_len(nla) -> ^ | ||
76 | * nla_data(nla)----^ | | ||
77 | * nla_next(nla)-----------------------------' | ||
78 | * | ||
79 | * Data Structures: | ||
80 | * struct nlattr netlink attribtue header | ||
81 | * | ||
82 | * Attribute Construction: | ||
83 | * nla_reserve(skb, type, len) reserve skb tailroom for an attribute | ||
84 | * nla_put(skb, type, len, data) add attribute to skb | ||
85 | * | ||
86 | * Attribute Construction for Basic Types: | ||
87 | * nla_put_u8(skb, type, value) add u8 attribute to skb | ||
88 | * nla_put_u16(skb, type, value) add u16 attribute to skb | ||
89 | * nla_put_u32(skb, type, value) add u32 attribute to skb | ||
90 | * nla_put_u64(skb, type, value) add u64 attribute to skb | ||
91 | * nla_put_string(skb, type, str) add string attribute to skb | ||
92 | * nla_put_flag(skb, type) add flag attribute to skb | ||
93 | * nla_put_msecs(skb, type, jiffies) add msecs attribute to skb | ||
94 | * | ||
95 | * Exceptions Based Attribute Construction: | ||
96 | * NLA_PUT(skb, type, len, data) add attribute to skb | ||
97 | * NLA_PUT_U8(skb, type, value) add u8 attribute to skb | ||
98 | * NLA_PUT_U16(skb, type, value) add u16 attribute to skb | ||
99 | * NLA_PUT_U32(skb, type, value) add u32 attribute to skb | ||
100 | * NLA_PUT_U64(skb, type, value) add u64 attribute to skb | ||
101 | * NLA_PUT_STRING(skb, type, str) add string attribute to skb | ||
102 | * NLA_PUT_FLAG(skb, type) add flag attribute to skb | ||
103 | * NLA_PUT_MSECS(skb, type, jiffies) add msecs attribute to skb | ||
104 | * | ||
105 | * The meaning of these functions is equal to their lower case | ||
106 | * variants but they jump to the label nla_put_failure in case | ||
107 | * of a failure. | ||
108 | * | ||
109 | * Nested Attributes Construction: | ||
110 | * nla_nest_start(skb, type) start a nested attribute | ||
111 | * nla_nest_end(skb, nla) finalize a nested attribute | ||
112 | * nla_nest_cancel(skb, nla) cancel nested attribute construction | ||
113 | * | ||
114 | * Attribute Length Calculations: | ||
115 | * nla_attr_size(payload) length of attribute w/o padding | ||
116 | * nla_total_size(payload) length of attribute w/ padding | ||
117 | * nla_padlen(payload) length of padding | ||
118 | * | ||
119 | * Attribute Payload Access: | ||
120 | * nla_data(nla) head of attribute payload | ||
121 | * nla_len(nla) length of attribute payload | ||
122 | * | ||
123 | * Attribute Payload Access for Basic Types: | ||
124 | * nla_get_u8(nla) get payload for a u8 attribute | ||
125 | * nla_get_u16(nla) get payload for a u16 attribute | ||
126 | * nla_get_u32(nla) get payload for a u32 attribute | ||
127 | * nla_get_u64(nla) get payload for a u64 attribute | ||
128 | * nla_get_flag(nla) return 1 if flag is true | ||
129 | * nla_get_msecs(nla) get payload for a msecs attribute | ||
130 | * | ||
131 | * Attribute Misc: | ||
132 | * nla_memcpy(dest, nla, count) copy attribute into memory | ||
133 | * nla_memcmp(nla, data, size) compare attribute with memory area | ||
134 | * nla_strlcpy(dst, nla, size) copy attribute to a sized string | ||
135 | * nla_strcmp(nla, str) compare attribute with string | ||
136 | * | ||
137 | * Attribute Parsing: | ||
138 | * nla_ok(nla, remaining) does nla fit into remaining bytes? | ||
139 | * nla_next(nla, remaining) get next netlink attribute | ||
140 | * nla_validate() validate a stream of attributes | ||
141 | * nla_find() find attribute in stream of attributes | ||
142 | * nla_parse() parse and validate stream of attrs | ||
143 | * nla_parse_nested() parse nested attribuets | ||
144 | * nla_for_each_attr() loop over all attributes | ||
145 | *========================================================================= | ||
146 | */ | ||
147 | |||
148 | /** | ||
149 | * Standard attribute types to specify validation policy | ||
150 | */ | ||
151 | enum { | ||
152 | NLA_UNSPEC, | ||
153 | NLA_U8, | ||
154 | NLA_U16, | ||
155 | NLA_U32, | ||
156 | NLA_U64, | ||
157 | NLA_STRING, | ||
158 | NLA_FLAG, | ||
159 | NLA_MSECS, | ||
160 | NLA_NESTED, | ||
161 | __NLA_TYPE_MAX, | ||
162 | }; | ||
163 | |||
164 | #define NLA_TYPE_MAX (__NLA_TYPE_MAX - 1) | ||
165 | |||
166 | /** | ||
167 | * struct nla_policy - attribute validation policy | ||
168 | * @type: Type of attribute or NLA_UNSPEC | ||
169 | * @minlen: Minimal length of payload required to be available | ||
170 | * | ||
171 | * Policies are defined as arrays of this struct, the array must be | ||
172 | * accessible by attribute type up to the highest identifier to be expected. | ||
173 | * | ||
174 | * Example: | ||
175 | * static struct nla_policy my_policy[ATTR_MAX+1] __read_mostly = { | ||
176 | * [ATTR_FOO] = { .type = NLA_U16 }, | ||
177 | * [ATTR_BAR] = { .type = NLA_STRING }, | ||
178 | * [ATTR_BAZ] = { .minlen = sizeof(struct mystruct) }, | ||
179 | * }; | ||
180 | */ | ||
181 | struct nla_policy { | ||
182 | u16 type; | ||
183 | u16 minlen; | ||
184 | }; | ||
185 | |||
186 | extern void netlink_run_queue(struct sock *sk, unsigned int *qlen, | ||
187 | int (*cb)(struct sk_buff *, | ||
188 | struct nlmsghdr *, int *)); | ||
189 | extern void netlink_queue_skip(struct nlmsghdr *nlh, | ||
190 | struct sk_buff *skb); | ||
191 | |||
192 | extern int nla_validate(struct nlattr *head, int len, int maxtype, | ||
193 | struct nla_policy *policy); | ||
194 | extern int nla_parse(struct nlattr *tb[], int maxtype, | ||
195 | struct nlattr *head, int len, | ||
196 | struct nla_policy *policy); | ||
197 | extern struct nlattr * nla_find(struct nlattr *head, int len, int attrtype); | ||
198 | extern size_t nla_strlcpy(char *dst, const struct nlattr *nla, | ||
199 | size_t dstsize); | ||
200 | extern int nla_memcpy(void *dest, struct nlattr *src, int count); | ||
201 | extern int nla_memcmp(const struct nlattr *nla, const void *data, | ||
202 | size_t size); | ||
203 | extern int nla_strcmp(const struct nlattr *nla, const char *str); | ||
204 | extern struct nlattr * __nla_reserve(struct sk_buff *skb, int attrtype, | ||
205 | int attrlen); | ||
206 | extern struct nlattr * nla_reserve(struct sk_buff *skb, int attrtype, | ||
207 | int attrlen); | ||
208 | extern void __nla_put(struct sk_buff *skb, int attrtype, | ||
209 | int attrlen, const void *data); | ||
210 | extern int nla_put(struct sk_buff *skb, int attrtype, | ||
211 | int attrlen, const void *data); | ||
212 | |||
213 | /************************************************************************** | ||
214 | * Netlink Messages | ||
215 | **************************************************************************/ | ||
216 | |||
217 | /** | ||
218 | * nlmsg_msg_size - length of netlink message not including padding | ||
219 | * @payload: length of message payload | ||
220 | */ | ||
221 | static inline int nlmsg_msg_size(int payload) | ||
222 | { | ||
223 | return NLMSG_HDRLEN + payload; | ||
224 | } | ||
225 | |||
226 | /** | ||
227 | * nlmsg_total_size - length of netlink message including padding | ||
228 | * @payload: length of message payload | ||
229 | */ | ||
230 | static inline int nlmsg_total_size(int payload) | ||
231 | { | ||
232 | return NLMSG_ALIGN(nlmsg_msg_size(payload)); | ||
233 | } | ||
234 | |||
235 | /** | ||
236 | * nlmsg_padlen - length of padding at the message's tail | ||
237 | * @payload: length of message payload | ||
238 | */ | ||
239 | static inline int nlmsg_padlen(int payload) | ||
240 | { | ||
241 | return nlmsg_total_size(payload) - nlmsg_msg_size(payload); | ||
242 | } | ||
243 | |||
244 | /** | ||
245 | * nlmsg_data - head of message payload | ||
246 | * @nlh: netlink messsage header | ||
247 | */ | ||
248 | static inline void *nlmsg_data(const struct nlmsghdr *nlh) | ||
249 | { | ||
250 | return (unsigned char *) nlh + NLMSG_HDRLEN; | ||
251 | } | ||
252 | |||
253 | /** | ||
254 | * nlmsg_len - length of message payload | ||
255 | * @nlh: netlink message header | ||
256 | */ | ||
257 | static inline int nlmsg_len(const struct nlmsghdr *nlh) | ||
258 | { | ||
259 | return nlh->nlmsg_len - NLMSG_HDRLEN; | ||
260 | } | ||
261 | |||
262 | /** | ||
263 | * nlmsg_attrdata - head of attributes data | ||
264 | * @nlh: netlink message header | ||
265 | * @hdrlen: length of family specific header | ||
266 | */ | ||
267 | static inline struct nlattr *nlmsg_attrdata(const struct nlmsghdr *nlh, | ||
268 | int hdrlen) | ||
269 | { | ||
270 | unsigned char *data = nlmsg_data(nlh); | ||
271 | return (struct nlattr *) (data + NLMSG_ALIGN(hdrlen)); | ||
272 | } | ||
273 | |||
274 | /** | ||
275 | * nlmsg_attrlen - length of attributes data | ||
276 | * @nlh: netlink message header | ||
277 | * @hdrlen: length of family specific header | ||
278 | */ | ||
279 | static inline int nlmsg_attrlen(const struct nlmsghdr *nlh, int hdrlen) | ||
280 | { | ||
281 | return nlmsg_len(nlh) - NLMSG_ALIGN(hdrlen); | ||
282 | } | ||
283 | |||
284 | /** | ||
285 | * nlmsg_ok - check if the netlink message fits into the remaining bytes | ||
286 | * @nlh: netlink message header | ||
287 | * @remaining: number of bytes remaining in message stream | ||
288 | */ | ||
289 | static inline int nlmsg_ok(const struct nlmsghdr *nlh, int remaining) | ||
290 | { | ||
291 | return (remaining >= sizeof(struct nlmsghdr) && | ||
292 | nlh->nlmsg_len >= sizeof(struct nlmsghdr) && | ||
293 | nlh->nlmsg_len <= remaining); | ||
294 | } | ||
295 | |||
296 | /** | ||
297 | * nlmsg_next - next netlink message in message stream | ||
298 | * @nlh: netlink message header | ||
299 | * @remaining: number of bytes remaining in message stream | ||
300 | * | ||
301 | * Returns the next netlink message in the message stream and | ||
302 | * decrements remaining by the size of the current message. | ||
303 | */ | ||
304 | static inline struct nlmsghdr *nlmsg_next(struct nlmsghdr *nlh, int *remaining) | ||
305 | { | ||
306 | int totlen = NLMSG_ALIGN(nlh->nlmsg_len); | ||
307 | |||
308 | *remaining -= totlen; | ||
309 | |||
310 | return (struct nlmsghdr *) ((unsigned char *) nlh + totlen); | ||
311 | } | ||
312 | |||
313 | /** | ||
314 | * nlmsg_parse - parse attributes of a netlink message | ||
315 | * @nlh: netlink message header | ||
316 | * @hdrlen: length of family specific header | ||
317 | * @tb: destination array with maxtype+1 elements | ||
318 | * @maxtype: maximum attribute type to be expected | ||
319 | * @policy: validation policy | ||
320 | * | ||
321 | * See nla_parse() | ||
322 | */ | ||
323 | static inline int nlmsg_parse(struct nlmsghdr *nlh, int hdrlen, | ||
324 | struct nlattr *tb[], int maxtype, | ||
325 | struct nla_policy *policy) | ||
326 | { | ||
327 | if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen)) | ||
328 | return -EINVAL; | ||
329 | |||
330 | return nla_parse(tb, maxtype, nlmsg_attrdata(nlh, hdrlen), | ||
331 | nlmsg_attrlen(nlh, hdrlen), policy); | ||
332 | } | ||
333 | |||
334 | /** | ||
335 | * nlmsg_find_attr - find a specific attribute in a netlink message | ||
336 | * @nlh: netlink message header | ||
337 | * @hdrlen: length of familiy specific header | ||
338 | * @attrtype: type of attribute to look for | ||
339 | * | ||
340 | * Returns the first attribute which matches the specified type. | ||
341 | */ | ||
342 | static inline struct nlattr *nlmsg_find_attr(struct nlmsghdr *nlh, | ||
343 | int hdrlen, int attrtype) | ||
344 | { | ||
345 | return nla_find(nlmsg_attrdata(nlh, hdrlen), | ||
346 | nlmsg_attrlen(nlh, hdrlen), attrtype); | ||
347 | } | ||
348 | |||
349 | /** | ||
350 | * nlmsg_validate - validate a netlink message including attributes | ||
351 | * @nlh: netlinket message header | ||
352 | * @hdrlen: length of familiy specific header | ||
353 | * @maxtype: maximum attribute type to be expected | ||
354 | * @policy: validation policy | ||
355 | */ | ||
356 | static inline int nlmsg_validate(struct nlmsghdr *nlh, int hdrlen, int maxtype, | ||
357 | struct nla_policy *policy) | ||
358 | { | ||
359 | if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen)) | ||
360 | return -EINVAL; | ||
361 | |||
362 | return nla_validate(nlmsg_attrdata(nlh, hdrlen), | ||
363 | nlmsg_attrlen(nlh, hdrlen), maxtype, policy); | ||
364 | } | ||
365 | |||
366 | /** | ||
367 | * nlmsg_for_each_attr - iterate over a stream of attributes | ||
368 | * @pos: loop counter, set to current attribute | ||
369 | * @nlh: netlink message header | ||
370 | * @hdrlen: length of familiy specific header | ||
371 | * @rem: initialized to len, holds bytes currently remaining in stream | ||
372 | */ | ||
373 | #define nlmsg_for_each_attr(pos, nlh, hdrlen, rem) \ | ||
374 | nla_for_each_attr(pos, nlmsg_attrdata(nlh, hdrlen), \ | ||
375 | nlmsg_attrlen(nlh, hdrlen), rem) | ||
376 | |||
377 | #if 0 | ||
378 | /* FIXME: Enable once all users have been converted */ | ||
379 | |||
380 | /** | ||
381 | * __nlmsg_put - Add a new netlink message to an skb | ||
382 | * @skb: socket buffer to store message in | ||
383 | * @pid: netlink process id | ||
384 | * @seq: sequence number of message | ||
385 | * @type: message type | ||
386 | * @payload: length of message payload | ||
387 | * @flags: message flags | ||
388 | * | ||
389 | * The caller is responsible to ensure that the skb provides enough | ||
390 | * tailroom for both the netlink header and payload. | ||
391 | */ | ||
392 | static inline struct nlmsghdr *__nlmsg_put(struct sk_buff *skb, u32 pid, | ||
393 | u32 seq, int type, int payload, | ||
394 | int flags) | ||
395 | { | ||
396 | struct nlmsghdr *nlh; | ||
397 | |||
398 | nlh = (struct nlmsghdr *) skb_put(skb, nlmsg_total_size(payload)); | ||
399 | nlh->nlmsg_type = type; | ||
400 | nlh->nlmsg_len = nlmsg_msg_size(payload); | ||
401 | nlh->nlmsg_flags = flags; | ||
402 | nlh->nlmsg_pid = pid; | ||
403 | nlh->nlmsg_seq = seq; | ||
404 | |||
405 | memset((unsigned char *) nlmsg_data(nlh) + payload, 0, | ||
406 | nlmsg_padlen(payload)); | ||
407 | |||
408 | return nlh; | ||
409 | } | ||
410 | #endif | ||
411 | |||
412 | /** | ||
413 | * nlmsg_put - Add a new netlink message to an skb | ||
414 | * @skb: socket buffer to store message in | ||
415 | * @pid: netlink process id | ||
416 | * @seq: sequence number of message | ||
417 | * @type: message type | ||
418 | * @payload: length of message payload | ||
419 | * @flags: message flags | ||
420 | * | ||
421 | * Returns NULL if the tailroom of the skb is insufficient to store | ||
422 | * the message header and payload. | ||
423 | */ | ||
424 | static inline struct nlmsghdr *nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, | ||
425 | int type, int payload, int flags) | ||
426 | { | ||
427 | if (unlikely(skb_tailroom(skb) < nlmsg_total_size(payload))) | ||
428 | return NULL; | ||
429 | |||
430 | return __nlmsg_put(skb, pid, seq, type, payload, flags); | ||
431 | } | ||
432 | |||
433 | /** | ||
434 | * nlmsg_put_answer - Add a new callback based netlink message to an skb | ||
435 | * @skb: socket buffer to store message in | ||
436 | * @cb: netlink callback | ||
437 | * @type: message type | ||
438 | * @payload: length of message payload | ||
439 | * @flags: message flags | ||
440 | * | ||
441 | * Returns NULL if the tailroom of the skb is insufficient to store | ||
442 | * the message header and payload. | ||
443 | */ | ||
444 | static inline struct nlmsghdr *nlmsg_put_answer(struct sk_buff *skb, | ||
445 | struct netlink_callback *cb, | ||
446 | int type, int payload, | ||
447 | int flags) | ||
448 | { | ||
449 | return nlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, | ||
450 | type, payload, flags); | ||
451 | } | ||
452 | |||
453 | /** | ||
454 | * nlmsg_new - Allocate a new netlink message | ||
455 | * @size: maximum size of message | ||
456 | * | ||
457 | * Use NLMSG_GOODSIZE if size isn't know and you need a good default size. | ||
458 | */ | ||
459 | static inline struct sk_buff *nlmsg_new(int size) | ||
460 | { | ||
461 | return alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL); | ||
462 | } | ||
463 | |||
464 | /** | ||
465 | * nlmsg_end - Finalize a netlink message | ||
466 | * @skb: socket buffer the message is stored in | ||
467 | * @nlh: netlink message header | ||
468 | * | ||
469 | * Corrects the netlink message header to include the appeneded | ||
470 | * attributes. Only necessary if attributes have been added to | ||
471 | * the message. | ||
472 | * | ||
473 | * Returns the total data length of the skb. | ||
474 | */ | ||
475 | static inline int nlmsg_end(struct sk_buff *skb, struct nlmsghdr *nlh) | ||
476 | { | ||
477 | nlh->nlmsg_len = skb->tail - (unsigned char *) nlh; | ||
478 | |||
479 | return skb->len; | ||
480 | } | ||
481 | |||
482 | /** | ||
483 | * nlmsg_cancel - Cancel construction of a netlink message | ||
484 | * @skb: socket buffer the message is stored in | ||
485 | * @nlh: netlink message header | ||
486 | * | ||
487 | * Removes the complete netlink message including all | ||
488 | * attributes from the socket buffer again. Returns -1. | ||
489 | */ | ||
490 | static inline int nlmsg_cancel(struct sk_buff *skb, struct nlmsghdr *nlh) | ||
491 | { | ||
492 | skb_trim(skb, (unsigned char *) nlh - skb->data); | ||
493 | |||
494 | return -1; | ||
495 | } | ||
496 | |||
497 | /** | ||
498 | * nlmsg_free - free a netlink message | ||
499 | * @skb: socket buffer of netlink message | ||
500 | */ | ||
501 | static inline void nlmsg_free(struct sk_buff *skb) | ||
502 | { | ||
503 | kfree_skb(skb); | ||
504 | } | ||
505 | |||
506 | /** | ||
507 | * nlmsg_multicast - multicast a netlink message | ||
508 | * @sk: netlink socket to spread messages to | ||
509 | * @skb: netlink message as socket buffer | ||
510 | * @pid: own netlink pid to avoid sending to yourself | ||
511 | * @group: multicast group id | ||
512 | */ | ||
513 | static inline int nlmsg_multicast(struct sock *sk, struct sk_buff *skb, | ||
514 | u32 pid, unsigned int group) | ||
515 | { | ||
516 | int err; | ||
517 | |||
518 | NETLINK_CB(skb).dst_group = group; | ||
519 | |||
520 | err = netlink_broadcast(sk, skb, pid, group, GFP_KERNEL); | ||
521 | if (err > 0) | ||
522 | err = 0; | ||
523 | |||
524 | return err; | ||
525 | } | ||
526 | |||
527 | /** | ||
528 | * nlmsg_unicast - unicast a netlink message | ||
529 | * @sk: netlink socket to spread message to | ||
530 | * @skb: netlink message as socket buffer | ||
531 | * @pid: netlink pid of the destination socket | ||
532 | */ | ||
533 | static inline int nlmsg_unicast(struct sock *sk, struct sk_buff *skb, u32 pid) | ||
534 | { | ||
535 | int err; | ||
536 | |||
537 | err = netlink_unicast(sk, skb, pid, MSG_DONTWAIT); | ||
538 | if (err > 0) | ||
539 | err = 0; | ||
540 | |||
541 | return err; | ||
542 | } | ||
543 | |||
544 | /** | ||
545 | * nlmsg_for_each_msg - iterate over a stream of messages | ||
546 | * @pos: loop counter, set to current message | ||
547 | * @head: head of message stream | ||
548 | * @len: length of message stream | ||
549 | * @rem: initialized to len, holds bytes currently remaining in stream | ||
550 | */ | ||
551 | #define nlmsg_for_each_msg(pos, head, len, rem) \ | ||
552 | for (pos = head, rem = len; \ | ||
553 | nlmsg_ok(pos, rem); \ | ||
554 | pos = nlmsg_next(pos, &(rem))) | ||
555 | |||
556 | /************************************************************************** | ||
557 | * Netlink Attributes | ||
558 | **************************************************************************/ | ||
559 | |||
560 | /** | ||
561 | * nla_attr_size - length of attribute not including padding | ||
562 | * @payload: length of payload | ||
563 | */ | ||
564 | static inline int nla_attr_size(int payload) | ||
565 | { | ||
566 | return NLA_HDRLEN + payload; | ||
567 | } | ||
568 | |||
569 | /** | ||
570 | * nla_total_size - total length of attribute including padding | ||
571 | * @payload: length of payload | ||
572 | */ | ||
573 | static inline int nla_total_size(int payload) | ||
574 | { | ||
575 | return NLA_ALIGN(nla_attr_size(payload)); | ||
576 | } | ||
577 | |||
578 | /** | ||
579 | * nla_padlen - length of padding at the tail of attribute | ||
580 | * @payload: length of payload | ||
581 | */ | ||
582 | static inline int nla_padlen(int payload) | ||
583 | { | ||
584 | return nla_total_size(payload) - nla_attr_size(payload); | ||
585 | } | ||
586 | |||
587 | /** | ||
588 | * nla_data - head of payload | ||
589 | * @nla: netlink attribute | ||
590 | */ | ||
591 | static inline void *nla_data(const struct nlattr *nla) | ||
592 | { | ||
593 | return (char *) nla + NLA_HDRLEN; | ||
594 | } | ||
595 | |||
596 | /** | ||
597 | * nla_len - length of payload | ||
598 | * @nla: netlink attribute | ||
599 | */ | ||
600 | static inline int nla_len(const struct nlattr *nla) | ||
601 | { | ||
602 | return nla->nla_len - NLA_HDRLEN; | ||
603 | } | ||
604 | |||
605 | /** | ||
606 | * nla_ok - check if the netlink attribute fits into the remaining bytes | ||
607 | * @nla: netlink attribute | ||
608 | * @remaining: number of bytes remaining in attribute stream | ||
609 | */ | ||
610 | static inline int nla_ok(const struct nlattr *nla, int remaining) | ||
611 | { | ||
612 | return remaining >= sizeof(*nla) && | ||
613 | nla->nla_len >= sizeof(*nla) && | ||
614 | nla->nla_len <= remaining; | ||
615 | } | ||
616 | |||
617 | /** | ||
618 | * nla_next - next netlink attribte in attribute stream | ||
619 | * @nla: netlink attribute | ||
620 | * @remaining: number of bytes remaining in attribute stream | ||
621 | * | ||
622 | * Returns the next netlink attribute in the attribute stream and | ||
623 | * decrements remaining by the size of the current attribute. | ||
624 | */ | ||
625 | static inline struct nlattr *nla_next(const struct nlattr *nla, int *remaining) | ||
626 | { | ||
627 | int totlen = NLA_ALIGN(nla->nla_len); | ||
628 | |||
629 | *remaining -= totlen; | ||
630 | return (struct nlattr *) ((char *) nla + totlen); | ||
631 | } | ||
632 | |||
633 | /** | ||
634 | * nla_parse_nested - parse nested attributes | ||
635 | * @tb: destination array with maxtype+1 elements | ||
636 | * @maxtype: maximum attribute type to be expected | ||
637 | * @nla: attribute containing the nested attributes | ||
638 | * @policy: validation policy | ||
639 | * | ||
640 | * See nla_parse() | ||
641 | */ | ||
642 | static inline int nla_parse_nested(struct nlattr *tb[], int maxtype, | ||
643 | struct nlattr *nla, | ||
644 | struct nla_policy *policy) | ||
645 | { | ||
646 | return nla_parse(tb, maxtype, nla_data(nla), nla_len(nla), policy); | ||
647 | } | ||
648 | /** | ||
649 | * nla_put_u8 - Add a u16 netlink attribute to a socket buffer | ||
650 | * @skb: socket buffer to add attribute to | ||
651 | * @attrtype: attribute type | ||
652 | * @value: numeric value | ||
653 | */ | ||
654 | static inline int nla_put_u8(struct sk_buff *skb, int attrtype, u8 value) | ||
655 | { | ||
656 | return nla_put(skb, attrtype, sizeof(u8), &value); | ||
657 | } | ||
658 | |||
659 | /** | ||
660 | * nla_put_u16 - Add a u16 netlink attribute to a socket buffer | ||
661 | * @skb: socket buffer to add attribute to | ||
662 | * @attrtype: attribute type | ||
663 | * @value: numeric value | ||
664 | */ | ||
665 | static inline int nla_put_u16(struct sk_buff *skb, int attrtype, u16 value) | ||
666 | { | ||
667 | return nla_put(skb, attrtype, sizeof(u16), &value); | ||
668 | } | ||
669 | |||
670 | /** | ||
671 | * nla_put_u32 - Add a u32 netlink attribute to a socket buffer | ||
672 | * @skb: socket buffer to add attribute to | ||
673 | * @attrtype: attribute type | ||
674 | * @value: numeric value | ||
675 | */ | ||
676 | static inline int nla_put_u32(struct sk_buff *skb, int attrtype, u32 value) | ||
677 | { | ||
678 | return nla_put(skb, attrtype, sizeof(u32), &value); | ||
679 | } | ||
680 | |||
681 | /** | ||
682 | * nla_put_64 - Add a u64 netlink attribute to a socket buffer | ||
683 | * @skb: socket buffer to add attribute to | ||
684 | * @attrtype: attribute type | ||
685 | * @value: numeric value | ||
686 | */ | ||
687 | static inline int nla_put_u64(struct sk_buff *skb, int attrtype, u64 value) | ||
688 | { | ||
689 | return nla_put(skb, attrtype, sizeof(u64), &value); | ||
690 | } | ||
691 | |||
692 | /** | ||
693 | * nla_put_string - Add a string netlink attribute to a socket buffer | ||
694 | * @skb: socket buffer to add attribute to | ||
695 | * @attrtype: attribute type | ||
696 | * @str: NUL terminated string | ||
697 | */ | ||
698 | static inline int nla_put_string(struct sk_buff *skb, int attrtype, | ||
699 | const char *str) | ||
700 | { | ||
701 | return nla_put(skb, attrtype, strlen(str) + 1, str); | ||
702 | } | ||
703 | |||
704 | /** | ||
705 | * nla_put_flag - Add a flag netlink attribute to a socket buffer | ||
706 | * @skb: socket buffer to add attribute to | ||
707 | * @attrtype: attribute type | ||
708 | */ | ||
709 | static inline int nla_put_flag(struct sk_buff *skb, int attrtype) | ||
710 | { | ||
711 | return nla_put(skb, attrtype, 0, NULL); | ||
712 | } | ||
713 | |||
714 | /** | ||
715 | * nla_put_msecs - Add a msecs netlink attribute to a socket buffer | ||
716 | * @skb: socket buffer to add attribute to | ||
717 | * @attrtype: attribute type | ||
718 | * @jiffies: number of msecs in jiffies | ||
719 | */ | ||
720 | static inline int nla_put_msecs(struct sk_buff *skb, int attrtype, | ||
721 | unsigned long jiffies) | ||
722 | { | ||
723 | u64 tmp = jiffies_to_msecs(jiffies); | ||
724 | return nla_put(skb, attrtype, sizeof(u64), &tmp); | ||
725 | } | ||
726 | |||
727 | #define NLA_PUT(skb, attrtype, attrlen, data) \ | ||
728 | do { \ | ||
729 | if (nla_put(skb, attrtype, attrlen, data) < 0) \ | ||
730 | goto nla_put_failure; \ | ||
731 | } while(0) | ||
732 | |||
733 | #define NLA_PUT_TYPE(skb, type, attrtype, value) \ | ||
734 | do { \ | ||
735 | type __tmp = value; \ | ||
736 | NLA_PUT(skb, attrtype, sizeof(type), &__tmp); \ | ||
737 | } while(0) | ||
738 | |||
739 | #define NLA_PUT_U8(skb, attrtype, value) \ | ||
740 | NLA_PUT_TYPE(skb, u8, attrtype, value) | ||
741 | |||
742 | #define NLA_PUT_U16(skb, attrtype, value) \ | ||
743 | NLA_PUT_TYPE(skb, u16, attrtype, value) | ||
744 | |||
745 | #define NLA_PUT_U32(skb, attrtype, value) \ | ||
746 | NLA_PUT_TYPE(skb, u32, attrtype, value) | ||
747 | |||
748 | #define NLA_PUT_U64(skb, attrtype, value) \ | ||
749 | NLA_PUT_TYPE(skb, u64, attrtype, value) | ||
750 | |||
751 | #define NLA_PUT_STRING(skb, attrtype, value) \ | ||
752 | NLA_PUT(skb, attrtype, strlen(value) + 1, value) | ||
753 | |||
754 | #define NLA_PUT_FLAG(skb, attrtype, value) \ | ||
755 | NLA_PUT(skb, attrtype, 0, NULL) | ||
756 | |||
757 | #define NLA_PUT_MSECS(skb, attrtype, jiffies) \ | ||
758 | NLA_PUT_U64(skb, attrtype, jiffies_to_msecs(jiffies)) | ||
759 | |||
760 | /** | ||
761 | * nla_get_u32 - return payload of u32 attribute | ||
762 | * @nla: u32 netlink attribute | ||
763 | */ | ||
764 | static inline u32 nla_get_u32(struct nlattr *nla) | ||
765 | { | ||
766 | return *(u32 *) nla_data(nla); | ||
767 | } | ||
768 | |||
769 | /** | ||
770 | * nla_get_u16 - return payload of u16 attribute | ||
771 | * @nla: u16 netlink attribute | ||
772 | */ | ||
773 | static inline u16 nla_get_u16(struct nlattr *nla) | ||
774 | { | ||
775 | return *(u16 *) nla_data(nla); | ||
776 | } | ||
777 | |||
778 | /** | ||
779 | * nla_get_u8 - return payload of u8 attribute | ||
780 | * @nla: u8 netlink attribute | ||
781 | */ | ||
782 | static inline u8 nla_get_u8(struct nlattr *nla) | ||
783 | { | ||
784 | return *(u8 *) nla_data(nla); | ||
785 | } | ||
786 | |||
787 | /** | ||
788 | * nla_get_u64 - return payload of u64 attribute | ||
789 | * @nla: u64 netlink attribute | ||
790 | */ | ||
791 | static inline u64 nla_get_u64(struct nlattr *nla) | ||
792 | { | ||
793 | u64 tmp; | ||
794 | |||
795 | nla_memcpy(&tmp, nla, sizeof(tmp)); | ||
796 | |||
797 | return tmp; | ||
798 | } | ||
799 | |||
800 | /** | ||
801 | * nla_get_flag - return payload of flag attribute | ||
802 | * @nla: flag netlink attribute | ||
803 | */ | ||
804 | static inline int nla_get_flag(struct nlattr *nla) | ||
805 | { | ||
806 | return !!nla; | ||
807 | } | ||
808 | |||
809 | /** | ||
810 | * nla_get_msecs - return payload of msecs attribute | ||
811 | * @nla: msecs netlink attribute | ||
812 | * | ||
813 | * Returns the number of milliseconds in jiffies. | ||
814 | */ | ||
815 | static inline unsigned long nla_get_msecs(struct nlattr *nla) | ||
816 | { | ||
817 | u64 msecs = nla_get_u64(nla); | ||
818 | |||
819 | return msecs_to_jiffies((unsigned long) msecs); | ||
820 | } | ||
821 | |||
822 | /** | ||
823 | * nla_nest_start - Start a new level of nested attributes | ||
824 | * @skb: socket buffer to add attributes to | ||
825 | * @attrtype: attribute type of container | ||
826 | * | ||
827 | * Returns the container attribute | ||
828 | */ | ||
829 | static inline struct nlattr *nla_nest_start(struct sk_buff *skb, int attrtype) | ||
830 | { | ||
831 | struct nlattr *start = (struct nlattr *) skb->tail; | ||
832 | |||
833 | if (nla_put(skb, attrtype, 0, NULL) < 0) | ||
834 | return NULL; | ||
835 | |||
836 | return start; | ||
837 | } | ||
838 | |||
839 | /** | ||
840 | * nla_nest_end - Finalize nesting of attributes | ||
841 | * @skb: socket buffer the attribtues are stored in | ||
842 | * @start: container attribute | ||
843 | * | ||
844 | * Corrects the container attribute header to include the all | ||
845 | * appeneded attributes. | ||
846 | * | ||
847 | * Returns the total data length of the skb. | ||
848 | */ | ||
849 | static inline int nla_nest_end(struct sk_buff *skb, struct nlattr *start) | ||
850 | { | ||
851 | start->nla_len = skb->tail - (unsigned char *) start; | ||
852 | return skb->len; | ||
853 | } | ||
854 | |||
855 | /** | ||
856 | * nla_nest_cancel - Cancel nesting of attributes | ||
857 | * @skb: socket buffer the message is stored in | ||
858 | * @start: container attribute | ||
859 | * | ||
860 | * Removes the container attribute and including all nested | ||
861 | * attributes. Returns -1. | ||
862 | */ | ||
863 | static inline int nla_nest_cancel(struct sk_buff *skb, struct nlattr *start) | ||
864 | { | ||
865 | if (start) | ||
866 | skb_trim(skb, (unsigned char *) start - skb->data); | ||
867 | |||
868 | return -1; | ||
869 | } | ||
870 | |||
871 | /** | ||
872 | * nla_for_each_attr - iterate over a stream of attributes | ||
873 | * @pos: loop counter, set to current attribute | ||
874 | * @head: head of attribute stream | ||
875 | * @len: length of attribute stream | ||
876 | * @rem: initialized to len, holds bytes currently remaining in stream | ||
877 | */ | ||
878 | #define nla_for_each_attr(pos, head, len, rem) \ | ||
879 | for (pos = head, rem = len; \ | ||
880 | nla_ok(pos, rem); \ | ||
881 | pos = nla_next(pos, &(rem))) | ||
882 | |||
883 | #endif | ||
diff --git a/include/net/sock.h b/include/net/sock.h index e0498bd36004..ff13c4cc287a 100644 --- a/include/net/sock.h +++ b/include/net/sock.h | |||
@@ -461,16 +461,16 @@ static inline void sk_stream_free_skb(struct sock *sk, struct sk_buff *skb) | |||
461 | } | 461 | } |
462 | 462 | ||
463 | /* The per-socket spinlock must be held here. */ | 463 | /* The per-socket spinlock must be held here. */ |
464 | #define sk_add_backlog(__sk, __skb) \ | 464 | static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb) |
465 | do { if (!(__sk)->sk_backlog.tail) { \ | 465 | { |
466 | (__sk)->sk_backlog.head = \ | 466 | if (!sk->sk_backlog.tail) { |
467 | (__sk)->sk_backlog.tail = (__skb); \ | 467 | sk->sk_backlog.head = sk->sk_backlog.tail = skb; |
468 | } else { \ | 468 | } else { |
469 | ((__sk)->sk_backlog.tail)->next = (__skb); \ | 469 | sk->sk_backlog.tail->next = skb; |
470 | (__sk)->sk_backlog.tail = (__skb); \ | 470 | sk->sk_backlog.tail = skb; |
471 | } \ | 471 | } |
472 | (__skb)->next = NULL; \ | 472 | skb->next = NULL; |
473 | } while(0) | 473 | } |
474 | 474 | ||
475 | #define sk_wait_event(__sk, __timeo, __condition) \ | 475 | #define sk_wait_event(__sk, __timeo, __condition) \ |
476 | ({ int rc; \ | 476 | ({ int rc; \ |