diff options
Diffstat (limited to 'src/gsm/gsm0808.c')
| -rw-r--r-- | src/gsm/gsm0808.c | 60 |
1 files changed, 55 insertions, 5 deletions
diff --git a/src/gsm/gsm0808.c b/src/gsm/gsm0808.c index de800069..b8ab79b1 100644 --- a/src/gsm/gsm0808.c +++ b/src/gsm/gsm0808.c @@ -19,6 +19,7 @@ */ #include <osmocom/gsm/gsm0808.h> +#include <osmocom/gsm/gsm0808_utils.h> #include <osmocom/gsm/protocol/gsm_08_08.h> #include <osmocom/gsm/gsm48.h> @@ -27,7 +28,10 @@ #define BSSMAP_MSG_SIZE 512 #define BSSMAP_MSG_HEADROOM 128 -struct msgb *gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc, uint16_t cc, int lac, uint16_t _ci) +struct msgb *gsm0808_create_layer3_aoip(const struct msgb *msg_l3, uint16_t nc, + uint16_t cc, int lac, uint16_t _ci, + const struct gsm0808_speech_codec_list + *scl) { struct msgb* msg; struct { @@ -55,12 +59,22 @@ struct msgb *gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc, uint16_t cc msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, msgb_l3len(msg_l3), msg_l3->l3h); + /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ + if (scl) + gsm0808_enc_speech_codec_list(msg, scl); + /* push the bssmap header */ msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); return msg; } +struct msgb *gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc, + uint16_t cc, int lac, uint16_t _ci) +{ + return gsm0808_create_layer3_aoip(msg_l3, nc, cc, lac, _ci, NULL); +} + struct msgb *gsm0808_create_reset(void) { uint8_t cause = GSM0808_CAUSE_EQUIPMENT_FAILURE; @@ -191,9 +205,12 @@ struct msgb *gsm0808_create_sapi_reject(uint8_t link_id) return msg; } -struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause, - uint8_t chosen_channel, uint8_t encr_alg_id, - uint8_t speech_mode) +struct msgb *gsm0808_create_ass_compl(uint8_t rr_cause, uint8_t chosen_channel, + uint8_t encr_alg_id, uint8_t speech_mode, + const struct sockaddr_storage *ss, + const struct gsm0808_speech_codec *sc, + const struct gsm0808_speech_codec_list + *scl) { struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "bssmap: ass compl"); @@ -218,6 +235,18 @@ struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause, if (speech_mode != 0) msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, speech_mode); + /* AoIP: AoIP Transport Layer Address (BSS) 3.2.2.102 */ + if (ss) + gsm0808_enc_aoip_trasp_addr(msg, ss); + + /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ + if (sc) + gsm0808_enc_speech_codec(msg, sc); + + /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ + if (scl) + gsm0808_enc_speech_codec_list(msg, scl); + /* write LSA identifier 3.2.2.15 */ msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); @@ -225,7 +254,18 @@ struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause, return msg; } -struct msgb *gsm0808_create_assignment_failure(uint8_t cause, uint8_t *rr_cause) +struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause, + uint8_t chosen_channel, + uint8_t encr_alg_id, + uint8_t speech_mode) +{ + return gsm0808_create_ass_compl(rr_cause, chosen_channel, encr_alg_id, + speech_mode, NULL, NULL, NULL); +} + +struct msgb *gsm0808_create_ass_fail(uint8_t cause, const uint8_t *rr_cause, + const struct gsm0808_speech_codec_list + *scl) { struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "bssmap: ass fail"); @@ -242,12 +282,22 @@ struct msgb *gsm0808_create_assignment_failure(uint8_t cause, uint8_t *rr_cause) /* Circuit pool 3.22.45 */ /* Circuit pool list 3.2.2.46 */ + /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ + if (scl) + gsm0808_enc_speech_codec_list(msg, scl); + /* update the size */ msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); return msg; } +struct msgb *gsm0808_create_assignment_failure(uint8_t cause, + uint8_t *rr_cause) +{ + return gsm0808_create_ass_fail(cause, rr_cause, NULL); +} + struct msgb *gsm0808_create_clear_rqst(uint8_t cause) { struct msgb *msg; |