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msc: Add msc ip-tos NR option for the BSC

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Allow to set the TOS field via the VTY interface. The
SO_PRIORITY was not used as it has no effect on the
packets being sent (in contrast to the documentation).
This commit is contained in:
Holger Hans Peter Freyther
2010-06-15 18:52:38 +08:00
parent b71c23bb0a
commit ca999a989d
4 changed files with 13 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
openbsc/include/openbsc/bsc_msc.h
View File

@@ -32,6 +32,7 @@ struct bsc_msc_connection {
int is_authenticated;
const char *ip;
int port;
int prio;
void (*connection_loss) (struct bsc_msc_connection *);
void (*connected) (struct bsc_msc_connection *);
@@ -39,7 +40,7 @@ struct bsc_msc_connection {
struct timer_list timeout_timer;
};
struct bsc_msc_connection *bsc_msc_create(const char *ip, int port);
struct bsc_msc_connection *bsc_msc_create(const char *ip, int port, int prio);
int bsc_msc_connect(struct bsc_msc_connection *);
void bsc_msc_schedule_connect(struct bsc_msc_connection *);

1
openbsc/include/openbsc/gsm_data.h
View File

@@ -677,6 +677,7 @@ struct gsm_network {
struct {
enum rrlp_mode mode;
} rrlp;
int msc_prio;
};
#define SMS_HDR_SIZE 128

10
openbsc/src/bsc_msc.c
View File

@@ -163,6 +163,13 @@ int bsc_msc_connect(struct bsc_msc_connection *con)
/* make it non blocking */
setnonblocking(fd);
/* set the socket priority */
ret = setsockopt(fd->fd, IPPROTO_IP, IP_TOS,
&con->prio, sizeof(con->prio));
if (ret != 0)
LOGP(DMSC, LOGL_ERROR, "Failed to set prio to %d. %s\n",
con->prio, strerror(errno));
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons(con->port);
@@ -200,7 +207,7 @@ int bsc_msc_connect(struct bsc_msc_connection *con)
return ret;
}
struct bsc_msc_connection *bsc_msc_create(const char *ip, int port)
struct bsc_msc_connection *bsc_msc_create(const char *ip, int port, int prio)
{
struct bsc_msc_connection *con;
@@ -212,6 +219,7 @@ struct bsc_msc_connection *bsc_msc_create(const char *ip, int port)
con->ip = ip;
con->port = port;
con->prio = prio;
write_queue_init(&con->write_queue, 100);
con->write_queue.except_cb = bsc_msc_except;
return con;

2
openbsc/src/nat/bsc_nat.c
View File

@@ -1110,7 +1110,7 @@ int main(int argc, char** argv)
return -4;
/* connect to the MSC */
nat->msc_con = bsc_msc_create(nat->msc_ip, nat->msc_port);
nat->msc_con = bsc_msc_create(nat->msc_ip, nat->msc_port, 0);
if (!nat->msc_con) {
fprintf(stderr, "Creating a bsc_msc_connection failed.\n");
exit(1);