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gsm/lapdm: Make T200 timer depends on the link type (SACCH is slower) 

This is part of a set of commit to fix LAPDm to handle datalink
connection on ACCH (SAPI 3)

This is required to transfer SMS on SACCH of TCH/f or SDCCH/8 (4).

Written-by: Andreas Eversberg <jolly@eversberg.eu>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Andreas.Eversberg 2011-11-06 20:35:48 +01:00 committed by Harald Welte
parent a42b699516
commit 5ac44784b6
2 changed files with 7 additions and 6 deletions
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2
include/osmocom/gsm/lapdm.h
View File

@ -127,7 +127,7 @@ const char *get_rsl_name(int value);
extern const char *lapdm_state_names[];
/* initialize a LAPDm entity */
void lapdm_entity_init(struct lapdm_entity *le, enum lapdm_mode mode);
void lapdm_entity_init(struct lapdm_entity *le, enum lapdm_mode mode, int t200);
void lapdm_channel_init(struct lapdm_channel *lc, enum lapdm_mode mode);
/* deinitialize a LAPDm entity */

11
src/gsm/lapdm.c
View File

@ -116,7 +116,7 @@ static int send_rslms_dlsap(struct osmo_dlsap_prim *dp,
struct lapd_msg_ctx *lctx);
static void lapdm_dl_init(struct lapdm_datalink *dl,
struct lapdm_entity *entity)
struct lapdm_entity *entity, int t200)
{
memset(dl, 0, sizeof(*dl));
dl->entity = entity;
@ -127,18 +127,19 @@ static void lapdm_dl_init(struct lapdm_datalink *dl,
dl->dl.n200_est_rel = N200_EST_REL;
dl->dl.n200 = N200;
dl->dl.t203_sec = 0; dl->dl.t203_usec = 0;
dl->dl.t200_sec = t200; dl->dl.t200_usec = 0;
}
/*! \brief initialize a LAPDm entity and all datalinks inside
* \param[in] le LAPDm entity
* \param[in] mode \ref lapdm_mode (BTS/MS)
*/
void lapdm_entity_init(struct lapdm_entity *le, enum lapdm_mode mode)
void lapdm_entity_init(struct lapdm_entity *le, enum lapdm_mode mode, int t200)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(le->datalink); i++)
lapdm_dl_init(&le->datalink[i], le);
lapdm_dl_init(&le->datalink[i], le, t200);
lapdm_entity_set_mode(le, mode);
}
@ -152,9 +153,9 @@ void lapdm_entity_init(struct lapdm_entity *le, enum lapdm_mode mode)
*/
void lapdm_channel_init(struct lapdm_channel *lc, enum lapdm_mode mode)
{
lapdm_entity_init(&lc->lapdm_acch, mode);
lapdm_entity_init(&lc->lapdm_acch, mode, 2);
/* FIXME: this depends on chan type */
lapdm_entity_init(&lc->lapdm_dcch, mode);
lapdm_entity_init(&lc->lapdm_dcch, mode, 1);
}
/*! \brief flush and release all resoures in LAPDm entity */