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Place MBMS tun fd into single int

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This commit is contained in:
Robert Schmidt
2020-03-10 17:38:24 +01:00
parent 3f803ae7f9
commit 0de3c73475
4 changed files with 17 additions and 17 deletions
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openair1/SIMULATION/ETH_TRANSPORT/netlink_init.c
+10 -10
View File
@@ -58,7 +58,7 @@ struct iovec nas_iov_rx = {nl_rx_buf, sizeof(nl_rx_buf)};
int nas_sock_fd[MAX_MOBILES_PER_ENB];
int nas_sock_mbms_fd[8];
int nas_sock_mbms_fd;
struct msghdr nas_msg_tx;
struct msghdr nas_msg_rx;
@@ -95,21 +95,20 @@ static int tun_alloc(char *dev) {
}
int netlink_init_mbms_tun(char *ifprefix, int num_if) {
int netlink_init_mbms_tun(char *ifprefix) {
int ret;
char ifname[64];
int i= num_if-1;
sprintf(ifname, "oaitun_%.3s%d",ifprefix,i+1);
nas_sock_mbms_fd[i] = tun_alloc(ifname);
sprintf(ifname, "oaitun_%.3s1",ifprefix); // added "1": for historical reasons
nas_sock_mbms_fd = tun_alloc(ifname);
if (nas_sock_mbms_fd[i] == -1) {
if (nas_sock_mbms_fd == -1) {
printf("[NETLINK] Error opening socket %s (%d:%s)\n",ifname,errno, strerror(errno));
exit(1);
}
printf("[NETLINK]Opened socket %s with fd %d\n",ifname,nas_sock_mbms_fd[i]);
ret = fcntl(nas_sock_mbms_fd[i],F_SETFL,O_NONBLOCK);
printf("[NETLINK]Opened socket %s with fd %d\n",ifname,nas_sock_mbms_fd);
ret = fcntl(nas_sock_mbms_fd,F_SETFL,O_NONBLOCK);
if (ret == -1) {
printf("[NETLINK] Error fcntl (%d:%s)\n",errno, strerror(errno));
@@ -123,7 +122,7 @@ int netlink_init_mbms_tun(char *ifprefix, int num_if) {
nas_src_addr.nl_family = AF_NETLINK;
nas_src_addr.nl_pid = 1;//getpid(); /* self pid */
nas_src_addr.nl_groups = 0; /* not in mcast groups */
ret = bind(nas_sock_mbms_fd[i], (struct sockaddr *)&nas_src_addr, sizeof(nas_src_addr));
ret = bind(nas_sock_mbms_fd, (struct sockaddr *)&nas_src_addr, sizeof(nas_src_addr));
memset(&nas_dest_addr, 0, sizeof(nas_dest_addr));
nas_dest_addr.nl_family = AF_NETLINK;
nas_dest_addr.nl_pid = 0; /* For Linux Kernel */
@@ -165,7 +164,8 @@ int netlink_init_tun(char *ifprefix, int num_if) {
exit(1);
}
printf("[NETLINK]Opened socket %s with fd %d\n",ifname,nas_sock_fd[i]);
printf("[NETLINK]Opened socket %s with fd nas_sock_fd[%d]=%d\n",
ifname, i, nas_sock_fd[i]);
ret = fcntl(nas_sock_fd[i],F_SETFL,O_NONBLOCK);
if (ret == -1) {
openair1/SIMULATION/ETH_TRANSPORT/proto.h
+1 -1
View File
@@ -63,6 +63,6 @@ void clear_eNB_transport_info(uint8_t);
void clear_UE_transport_info(uint8_t);
int netlink_init(void);
int netlink_init_tun(char *ifsuffix, int num_if);
int netlink_init_mbms_tun(char *ifsuffix, int num_if);
int netlink_init_mbms_tun(char *ifsuffix);
#endif /* EMU_PROTO_H_ */
openair2/LAYER2/PDCP_v10.1.0/pdcp.c
+3 -3
View File
@@ -2299,14 +2299,14 @@ uint64_t pdcp_module_init( uint64_t pdcp_optmask ) {
netlink_init_tun("ue",num_if);
if (IS_SOFTMODEM_NOS1)
nas_config(1, 1, 2, "ue");
netlink_init_mbms_tun("uem",num_if);
netlink_init_mbms_tun("uem");
nas_config_mbms(1, 2, 2, "uem");
LOG_I(PDCP, "UE pdcp will use tun interface\n");
} else if(ENB_NAS_USE_TUN) {
netlink_init_tun("enb",1);
nas_config(1, 1, 1, "enb");
if(pdcp_optmask & ENB_NAS_USE_TUN_W_MBMS_BIT){
netlink_init_mbms_tun("enm",1);
netlink_init_mbms_tun("enm");
nas_config_mbms(1, 2, 1, "enm");
LOG_I(PDCP, "ENB pdcp will use mbms tun interface\n");
}
@@ -2318,7 +2318,7 @@ uint64_t pdcp_module_init( uint64_t pdcp_optmask ) {
}else{
if(pdcp_optmask & ENB_NAS_USE_TUN_W_MBMS_BIT){
LOG_W(PDCP, "ENB pdcp will use tun interface for MBMS\n");
netlink_init_mbms_tun("enm",1);
netlink_init_mbms_tun("enm");
nas_config_mbms_s1(1, 2, 1, "enm");
}else
LOG_E(PDCP, "ENB pdcp will not use tun interface\n");
openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c
+3 -3
View File
@@ -77,7 +77,7 @@ extern struct iovec nas_iov_rx;
extern int nas_sock_fd[MAX_MOBILES_PER_ENB];
extern int nas_sock_mbms_fd[8];
extern int nas_sock_mbms_fd;
extern int mbms_rab_id;
@@ -133,7 +133,7 @@ int pdcp_fifo_flush_sdus(const protocol_ctxt_t *const ctxt_pP) {
} else if (UE_NAS_USE_TUN) {
//ret = write(nas_sock_fd[ctxt_pP->module_id], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]),sizeToWrite );
if(rb_id == mbms_rab_id){
ret = write(nas_sock_mbms_fd[0], &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]),sizeToWrite );
ret = write(nas_sock_mbms_fd, &(sdu_p->data[sizeof(pdcp_data_ind_header_t)]),sizeToWrite );
LOG_I(PDCP,"[PDCP_FIFOS] ret %d TRIED TO PUSH MBMS DATA TO rb_id %d handle %d sizeToWrite %d\n",ret,rb_id,nas_sock_fd[ctxt_pP->module_id],sizeToWrite);
}
else
@@ -299,7 +299,7 @@ int pdcp_fifo_read_input_mbms_sdus_fromtun (const protocol_ctxt_t *const ctxt_p
do {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_MBMS_FIFO_READ, 1 );
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_MBMS_FIFO_READ_BUFFER, 1 );
len = read(UE_NAS_USE_TUN?nas_sock_mbms_fd[0]:nas_sock_mbms_fd[0], &nl_rx_buf, NL_MAX_PAYLOAD);
len = read(nas_sock_mbms_fd, &nl_rx_buf, NL_MAX_PAYLOAD);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_MBMS_FIFO_READ_BUFFER, 0 );
if (len<=0) continue;