Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 1 | #ifndef OPENBSC_LAPD_H |
| 2 | #define OPENBSC_LAPD_H |
| 3 | |
| 4 | #include <stdint.h> |
| 5 | |
| 6 | #include <osmocom/core/linuxlist.h> |
Andreas Eversberg | a7ff001 | 2011-09-26 11:29:30 +0200 | [diff] [blame^] | 7 | #include <osmocom/gsm/lapd_core.h> |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 8 | |
Andreas Eversberg | a7ff001 | 2011-09-26 11:29:30 +0200 | [diff] [blame^] | 9 | enum lapd_profile { |
| 10 | LAPD_PROFILE_ISDN, |
| 11 | LAPD_PROFILE_ABIS, |
| 12 | LAPD_PROFILE_ASAT, |
| 13 | }; |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 14 | |
| 15 | struct lapd_instance { |
| 16 | struct llist_head list; /* list of LAPD instances */ |
| 17 | int network_side; |
| 18 | |
Andreas Eversberg | a7ff001 | 2011-09-26 11:29:30 +0200 | [diff] [blame^] | 19 | void (*transmit_cb)(struct msgb *msg, void *cbdata); |
| 20 | void *transmit_cbdata; |
| 21 | void (*receive_cb)(struct osmo_dlsap_prim *odp, uint8_t tei, |
| 22 | uint8_t sapi, void *rx_cbdata); |
| 23 | void *receive_cbdata; |
| 24 | |
| 25 | enum lapd_profile profile; |
| 26 | uint8_t short_address; |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 27 | |
| 28 | struct llist_head tei_list; /* list of TEI in this LAPD instance */ |
| 29 | }; |
| 30 | |
Pablo Neira Ayuso | 31fe5f2 | 2011-08-09 23:15:38 +0200 | [diff] [blame] | 31 | enum lapd_recv_errors { |
| 32 | LAPD_ERR_NONE = 0, |
| 33 | LAPD_ERR_BAD_LEN, |
| 34 | LAPD_ERR_BAD_ADDR, |
| 35 | LAPD_ERR_UNKNOWN_S_CMD, |
| 36 | LAPD_ERR_UNKNOWN_U_CMD, |
| 37 | LAPD_ERR_UNKNOWN_TEI, |
| 38 | LAPD_ERR_BAD_CMD, |
Andreas Eversberg | a7ff001 | 2011-09-26 11:29:30 +0200 | [diff] [blame^] | 39 | LAPD_ERR_NO_MEM, |
Pablo Neira Ayuso | 31fe5f2 | 2011-08-09 23:15:38 +0200 | [diff] [blame] | 40 | __LAPD_ERR_MAX |
| 41 | }; |
| 42 | |
Andreas Eversberg | a7ff001 | 2011-09-26 11:29:30 +0200 | [diff] [blame^] | 43 | int lapd_receive(struct lapd_instance *li, struct msgb *msg, int *error); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 44 | |
Andreas Eversberg | a7ff001 | 2011-09-26 11:29:30 +0200 | [diff] [blame^] | 45 | void lapd_transmit(struct lapd_instance *li, uint8_t tei, uint8_t sapi, |
| 46 | struct msgb *msg); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 47 | |
| 48 | struct lapd_instance *lapd_instance_alloc(int network_side, |
Andreas Eversberg | a7ff001 | 2011-09-26 11:29:30 +0200 | [diff] [blame^] | 49 | void (*tx_cb)(struct msgb *msg, void *cbdata), void *tx_cbdata, |
| 50 | void (*rx_cb)(struct osmo_dlsap_prim *odp, uint8_t tei, uint8_t sapi, |
| 51 | void *rx_cbdata), void *rx_cbdata, |
| 52 | enum lapd_profile profile); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 53 | |
Harald Welte | 14078ea | 2011-08-24 09:45:11 +0200 | [diff] [blame] | 54 | void lapd_instance_free(struct lapd_instance *li); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 55 | |
| 56 | /* Start a (user-side) SAP for the specified TEI/SAPI on the LAPD instance */ |
| 57 | int lapd_sap_start(struct lapd_instance *li, uint8_t tei, uint8_t sapi); |
| 58 | |
| 59 | /* Stop a (user-side) SAP for the specified TEI/SAPI on the LAPD instance */ |
| 60 | int lapd_sap_stop(struct lapd_instance *li, uint8_t tei, uint8_t sapi); |
| 61 | |
| 62 | #endif /* OPENBSC_LAPD_H */ |