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osmo-bsc
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[mgcp] Set the IP_TOS/DSCP on RTP/RTCP IP packets.

This commit is contained in:
Holger Hans Peter Freyther 2010-05-31 10:22:00 +08:00
parent a19bdabf22
commit 75492e6e54
3 changed files with 24 additions and 0 deletions
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1
openbsc/include/openbsc/mgcp.h
View File

@ -93,6 +93,7 @@ struct mgcp_config {
int audio_loop;
int early_bind;
int rtp_base_port;
int endp_tos;
char *forward_ip;
int forward_port;

11
openbsc/src/mgcp/mgcp_network.c
View File

@ -231,6 +231,14 @@ static int create_bind(const char *source_addr, struct bsc_fd *fd, int port)
return 0;
}
static int set_ip_tos(int fd, int tos)
{
int ret;
ret = setsockopt(fd, IPPROTO_IP, IP_TOS,
&tos, sizeof(tos));
return ret != 0;
}
static int bind_rtp(struct mgcp_endpoint *endp)
{
struct mgcp_config *cfg = endp->cfg;
@ -247,6 +255,9 @@ static int bind_rtp(struct mgcp_endpoint *endp)
goto cleanup1;
}
set_ip_tos(endp->local_rtp.fd, cfg->endp_tos);
set_ip_tos(endp->local_rtcp.fd, cfg->endp_tos);
endp->local_rtp.cb = rtp_data_cb;
endp->local_rtp.data = endp;
endp->local_rtp.when = BSC_FD_READ;

12
openbsc/src/mgcp/mgcp_vty.c
View File

@ -57,6 +57,7 @@ static int config_write_mgcp(struct vty *vty)
vty_out(vty, " bind port %u%s", g_cfg->source_port, VTY_NEWLINE);
vty_out(vty, " bind early %u%s", !!g_cfg->early_bind, VTY_NEWLINE);
vty_out(vty, " rtp base %u%s", g_cfg->rtp_base_port, VTY_NEWLINE);
vty_out(vty, " rtp ip-tos %d%s", g_cfg->endp_tos, VTY_NEWLINE);
if (g_cfg->audio_payload != -1)
vty_out(vty, " sdp audio payload number %d%s", g_cfg->audio_payload, VTY_NEWLINE);
if (g_cfg->audio_name)
@ -165,6 +166,16 @@ DEFUN(cfg_mgcp_rtp_base_port,
return CMD_SUCCESS;
}
DEFUN(cfg_mgcp_rtp_ip_tos,
cfg_mgcp_rtp_ip_tos_cmd,
"rtp ip-tos <0-255>",
"Set the IP_TOS socket attribute on the RTP/RTCP sockets.\n" "The TOS value.")
{
int tos = atoi(argv[0]);
g_cfg->endp_tos = tos;
return CMD_SUCCESS;
}
DEFUN(cfg_mgcp_sdp_payload_number,
cfg_mgcp_sdp_payload_number_cmd,
"sdp audio payload number <1-255>",
@ -249,6 +260,7 @@ int mgcp_vty_init(void)
install_element(MGCP_NODE, &cfg_mgcp_bind_port_cmd);
install_element(MGCP_NODE, &cfg_mgcp_bind_early_cmd);
install_element(MGCP_NODE, &cfg_mgcp_rtp_base_port_cmd);
install_element(MGCP_NODE, &cfg_mgcp_rtp_ip_tos_cmd);
install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_number_cmd);
install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_name_cmd);
install_element(MGCP_NODE, &cfg_mgcp_loop_cmd);