diff options
author | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2013-10-19 19:50:00 +0200 |
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committer | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2013-10-30 21:24:10 +0100 |
commit | d6ef5345e570cf2a725e2d73bb0146b72a063f30 (patch) | |
tree | 2300d5148d25c930b6495c80300b9cb5b3688fb4 /src/gprs_rlcmac.cpp | |
parent | 63f29d6f73d069479b5269b924df0638da6c88e5 (diff) |
ta: Move timing advance related code into the ta.cpp file
Diffstat (limited to 'src/gprs_rlcmac.cpp')
-rw-r--r-- | src/gprs_rlcmac.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/gprs_rlcmac.cpp b/src/gprs_rlcmac.cpp index da48b6b6..d1d9bd93 100644 --- a/src/gprs_rlcmac.cpp +++ b/src/gprs_rlcmac.cpp @@ -313,105 +313,3 @@ int gprs_rlcmac_paging_request(uint8_t *ptmsi, uint16_t ptmsi_len, } -/* - * timing advance memory - */ - -/* enable to debug timing advance memory */ -//#define DEBUG_TA - -static LLIST_HEAD(gprs_rlcmac_ta_list); -static int gprs_rlcmac_ta_num = 0; - -struct gprs_rlcmac_ta { - struct llist_head list; - uint32_t tlli; - uint8_t ta; -}; - -/* remember timing advance of a given TLLI */ -int remember_timing_advance(uint32_t tlli, uint8_t ta) -{ - struct gprs_rlcmac_ta *ta_entry; - - /* check for existing entry */ - llist_for_each_entry(ta_entry, &gprs_rlcmac_ta_list, list) { - if (ta_entry->tlli == tlli) { -#ifdef DEBUG_TA - fprintf(stderr, "update %08x %d\n", tlli, ta); -#endif - ta_entry->ta = ta; - /* relink to end of list */ - llist_del(&ta_entry->list); - llist_add_tail(&ta_entry->list, &gprs_rlcmac_ta_list); - return 0; - } - } - -#ifdef DEBUG_TA - fprintf(stderr, "remember %08x %d\n", tlli, ta); -#endif - /* if list is full, remove oldest entry */ - if (gprs_rlcmac_ta_num == 30) { - ta_entry = llist_entry(gprs_rlcmac_ta_list.next, - struct gprs_rlcmac_ta, list); - llist_del(&ta_entry->list); - talloc_free(ta_entry); - gprs_rlcmac_ta_num--; - } - - /* create new TA entry */ - ta_entry = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ta); - if (!ta_entry) - return -ENOMEM; - - ta_entry->tlli = tlli; - ta_entry->ta = ta; - llist_add_tail(&ta_entry->list, &gprs_rlcmac_ta_list); - gprs_rlcmac_ta_num++; - - return 0; -} - -int recall_timing_advance(uint32_t tlli) -{ - struct gprs_rlcmac_ta *ta_entry; - uint8_t ta; - - llist_for_each_entry(ta_entry, &gprs_rlcmac_ta_list, list) { - if (ta_entry->tlli == tlli) { - ta = ta_entry->ta; -#ifdef DEBUG_TA - fprintf(stderr, "recall %08x %d\n", tlli, ta); -#endif - return ta; - } - } -#ifdef DEBUG_TA - fprintf(stderr, "no entry for %08x\n", tlli); -#endif - - return -EINVAL; -} - -int flush_timing_advance(void) -{ - struct gprs_rlcmac_ta *ta_entry; - int count = 0; - - while (!llist_empty(&gprs_rlcmac_ta_list)) { - ta_entry = llist_entry(gprs_rlcmac_ta_list.next, - struct gprs_rlcmac_ta, list); -#ifdef DEBUG_TA - fprintf(stderr, "flush entry %08x %d\n", ta_entry->tlli, - ta_entry->ta); -#endif - llist_del(&ta_entry->list); - talloc_free(ta_entry); - count++; - } - gprs_rlcmac_ta_num = 0; - - return count; -} - |