ipa: Use two defines instead of magic numbers
We spearate OML/RSL by putting a magic number into the priv_nr. Use
a define instead of ordinary integers.
diff --git a/openbsc/src/input/ipaccess.c b/openbsc/src/input/ipaccess.c
index 71a3bde..de5149c 100644
--- a/openbsc/src/input/ipaccess.c
+++ b/openbsc/src/input/ipaccess.c
@@ -44,6 +44,9 @@
#include <openbsc/ipaccess.h>
#include <osmocore/talloc.h>
+#define PRIV_OML 1
+#define PRIV_RSL 2
+
/* data structure for one E1 interface with A-bis */
struct ia_e1_handle {
struct bsc_fd listen_fd;
@@ -230,17 +233,17 @@
return -EIO;
}
DEBUGP(DINP, "Identified BTS %u/%u/%u\n", site_id, bts_id, trx_id);
- if (bfd->priv_nr == 1) {
- bts->oml_link = e1inp_sign_link_create(&line->ts[1-1],
+ if (bfd->priv_nr == PRIV_OML) {
+ bts->oml_link = e1inp_sign_link_create(&line->ts[PRIV_OML - 1],
E1INP_SIGN_OML, bts->c0,
bts->oml_tei, 0);
- } else if (bfd->priv_nr == 2) {
+ } else if (bfd->priv_nr == PRIV_RSL) {
struct e1inp_ts *e1i_ts;
struct bsc_fd *newbfd;
struct gsm_bts_trx *trx = gsm_bts_trx_num(bts, trx_id);
bfd->data = line = bts->oml_link->ts->line;
- e1i_ts = &line->ts[2+trx_id - 1];
+ e1i_ts = &line->ts[PRIV_RSL + trx_id - 1];
newbfd = &e1i_ts->driver.ipaccess.fd;
e1inp_ts_config(e1i_ts, line, E1INP_TS_TYPE_SIGN);
@@ -256,7 +259,7 @@
/* get rid of our old temporary bfd */
memcpy(newbfd, bfd, sizeof(*newbfd));
- newbfd->priv_nr = 2+trx_id;
+ newbfd->priv_nr = PRIV_RSL + trx_id;
bsc_unregister_fd(bfd);
bsc_register_fd(newbfd);
talloc_free(bfd);
@@ -536,7 +539,7 @@
bfd = &e1i_ts->driver.ipaccess.fd;
bfd->fd = ret;
bfd->data = line;
- bfd->priv_nr = 1;
+ bfd->priv_nr = PRIV_OML;
bfd->cb = ipaccess_fd_cb;
bfd->when = BSC_FD_READ;
ret = bsc_register_fd(bfd);
@@ -578,7 +581,7 @@
return bfd->fd;
}
LOGP(DINP, LOGL_NOTICE, "accept()ed new RSL link from %s\n", inet_ntoa(sa.sin_addr));
- bfd->priv_nr = 2;
+ bfd->priv_nr = PRIV_RSL;
bfd->cb = ipaccess_fd_cb;
bfd->when = BSC_FD_READ;
ret = bsc_register_fd(bfd);
@@ -652,7 +655,7 @@
bfd->cb = ipaccess_fd_cb;
bfd->when = BSC_FD_READ | BSC_FD_WRITE;
bfd->data = line;
- bfd->priv_nr = 1;
+ bfd->priv_nr = PRIV_OML;
if (bfd->fd < 0) {
LOGP(DINP, LOGL_ERROR, "could not create TCP socket.\n");