diff options
Diffstat (limited to 'src/ta.cpp')
| -rw-r--r-- | src/ta.cpp | 38 |
1 files changed, 21 insertions, 17 deletions
@@ -19,6 +19,7 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include <ta.h> #include <gprs_rlcmac.h> extern "C" { @@ -36,22 +37,25 @@ extern void *tall_pcu_ctx; /* 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; }; +TimingAdvance::TimingAdvance() + : m_ta_len(0) +{ + INIT_LLIST_HEAD(&m_ta_list); +} + /* remember timing advance of a given TLLI */ -int remember_timing_advance(uint32_t tlli, uint8_t ta) +int TimingAdvance::remember(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) { + llist_for_each_entry(ta_entry, &m_ta_list, list) { if (ta_entry->tlli == tlli) { #ifdef DEBUG_TA fprintf(stderr, "update %08x %d\n", tlli, ta); @@ -59,7 +63,7 @@ int remember_timing_advance(uint32_t tlli, uint8_t ta) ta_entry->ta = ta; /* relink to end of list */ llist_del(&ta_entry->list); - llist_add_tail(&ta_entry->list, &gprs_rlcmac_ta_list); + llist_add_tail(&ta_entry->list, &m_ta_list); return 0; } } @@ -68,12 +72,12 @@ int remember_timing_advance(uint32_t tlli, uint8_t 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, + if (m_ta_len == 30) { + ta_entry = llist_entry(m_ta_list.next, struct gprs_rlcmac_ta, list); llist_del(&ta_entry->list); talloc_free(ta_entry); - gprs_rlcmac_ta_num--; + m_ta_len--; } /* create new TA entry */ @@ -83,18 +87,18 @@ int remember_timing_advance(uint32_t tlli, uint8_t ta) ta_entry->tlli = tlli; ta_entry->ta = ta; - llist_add_tail(&ta_entry->list, &gprs_rlcmac_ta_list); - gprs_rlcmac_ta_num++; + llist_add_tail(&ta_entry->list, &m_ta_list); + m_ta_len++; return 0; } -int recall_timing_advance(uint32_t tlli) +int TimingAdvance::recall(uint32_t tlli) { struct gprs_rlcmac_ta *ta_entry; uint8_t ta; - llist_for_each_entry(ta_entry, &gprs_rlcmac_ta_list, list) { + llist_for_each_entry(ta_entry, &m_ta_list, list) { if (ta_entry->tlli == tlli) { ta = ta_entry->ta; #ifdef DEBUG_TA @@ -110,13 +114,13 @@ int recall_timing_advance(uint32_t tlli) return -EINVAL; } -int flush_timing_advance(void) +int TimingAdvance::flush() { 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, + while (!llist_empty(&m_ta_list)) { + ta_entry = llist_entry(m_ta_list.next, struct gprs_rlcmac_ta, list); #ifdef DEBUG_TA fprintf(stderr, "flush entry %08x %d\n", ta_entry->tlli, @@ -126,7 +130,7 @@ int flush_timing_advance(void) talloc_free(ta_entry); count++; } - gprs_rlcmac_ta_num = 0; + m_ta_len = 0; return count; } |