mirror of https://gerrit.osmocom.org/libosmocore
[GPRS] NS: VTY: Move all local ip/port bind values into 'ns' node
This removes the requirement for gb_proxy and sgsn to have duplicate vty parsing code
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b3ee265b69
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7fb05234a7
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@ -134,10 +134,14 @@ struct gprs_ns_inst {
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/* NS-over-IP specific bits */
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struct {
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struct bsc_fd fd;
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uint32_t local_ip;
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uint16_t local_port;
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} nsip;
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/* NS-over-FR-over-GRE-over-IP specific bits */
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struct {
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struct bsc_fd fd;
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uint32_t local_ip;
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int enabled:1;
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} frgre;
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};
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@ -188,7 +192,7 @@ struct gprs_ns_inst *gprs_ns_instantiate(gprs_ns_cb_t *cb);
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void gprs_ns_destroy(struct gprs_ns_inst *nsi);
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/* Listen for incoming GPRS packets via NS/UDP */
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int nsip_listen(struct gprs_ns_inst *nsi, uint32_t ip, uint16_t udp_port);
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int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi);
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struct sockaddr_in;
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@ -200,7 +204,7 @@ int gprs_ns_tx_block(struct gprs_nsvc *nsvc, uint8_t cause);
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int gprs_ns_tx_unblock(struct gprs_nsvc *nsvc);
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/* Listen for incoming GPRS packets via NS/FR/GRE */
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int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi, uint32_t ip);
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int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi);
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/* Establish a connection (from the BSS) to the SGSN */
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struct gprs_nsvc *nsip_connect(struct gprs_ns_inst *nsi,
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@ -903,11 +903,12 @@ static int nsip_fd_cb(struct bsc_fd *bfd, unsigned int what)
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}
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/* Listen for incoming GPRS packets */
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int nsip_listen(struct gprs_ns_inst *nsi, uint32_t ip, uint16_t udp_port)
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int gprs_ns_nsip_listen(struct gprs_ns_inst *nsi)
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{
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int ret;
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ret = make_sock(&nsi->nsip.fd, IPPROTO_UDP, ip, udp_port, nsip_fd_cb);
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ret = make_sock(&nsi->nsip.fd, IPPROTO_UDP, nsi->nsip.local_ip,
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nsi->nsip.local_port, nsip_fd_cb);
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if (ret < 0)
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return ret;
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@ -202,7 +202,7 @@ static int nsfrgre_fd_cb(struct bsc_fd *bfd, unsigned int what)
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return rc;
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}
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int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi, uint32_t ip)
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int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi)
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{
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int rc;
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@ -210,7 +210,11 @@ int gprs_ns_frgre_listen(struct gprs_ns_inst *nsi, uint32_t ip)
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if (nsi->frgre.fd.fd)
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close(nsi->frgre.fd.fd);
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rc = make_sock(&nsi->frgre.fd, IPPROTO_GRE, ip, 0, nsfrgre_fd_cb);
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if (!nsi->frgre.enabled)
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return 0;
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rc = make_sock(&nsi->frgre.fd, IPPROTO_GRE, nsi->frgre.local_ip,
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0, nsfrgre_fd_cb);
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if (rc < 0) {
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LOGP(DNS, LOGL_ERROR, "Error creating GRE socket (%s)\n",
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strerror(errno));
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@ -68,6 +68,7 @@ static int config_write_ns(struct vty *vty)
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{
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struct gprs_nsvc *nsvc;
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unsigned int i;
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struct in_addr ia;
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vty_out(vty, "ns%s", VTY_NEWLINE);
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@ -111,6 +112,21 @@ static int config_write_ns(struct vty *vty)
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get_value_string(gprs_ns_timer_strs, i),
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vty_nsi->timeout[i], VTY_NEWLINE);
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if (vty_nsi->nsip.local_ip) {
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ia.s_addr = htonl(vty_nsi->nsip.local_ip);
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vty_out(vty, " encapsulation udp local-ip %s%s",
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inet_ntoa(ia), VTY_NEWLINE);
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vty_out(vty, " encapsulation udp local-port %u%s",
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vty_nsi->nsip.local_port);
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}
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vty_out(vty, " encapsulation framerelay-gre enabled %u%s",
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vty_nsi->frgre.enabled ? 1 : 0, VTY_NEWLINE);
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if (vty_nsi->frgre.enabled) {
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ia.s_addr = htonl(vty_nsi->frgre.local_ip);
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vty_out(vty, " encapsulation framerelay-gre local-ip %s%s",
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inet_ntoa(ia), VTY_NEWLINE);
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}
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return CMD_SUCCESS;
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}
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@ -142,6 +158,15 @@ static void dump_nse(struct vty *vty, struct gprs_nsvc *nsvc, int stats)
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static void dump_ns(struct vty *vty, struct gprs_ns_inst *nsi, int stats)
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{
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struct gprs_nsvc *nsvc;
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struct in_addr ia;
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ia.s_addr = htonl(vty_nsi->nsip.local_ip);
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vty_out(vty, "NS-UDP-IP Encapsulation: Local IP: %s, UDP Port: %u%s",
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inet_ntoa(ia), vty_nsi->nsip.local_port, VTY_NEWLINE);
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ia.s_addr = htonl(vty_nsi->frgre.local_ip);
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vty_out(vty, "NS-FR-GRE-IP Encapsulation: Local IP: %s%s",
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inet_ntoa(ia), VTY_NEWLINE);
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llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) {
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if (nsvc == nsi->unknown_nsvc)
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@ -387,6 +412,66 @@ DEFUN(cfg_ns_timer, cfg_ns_timer_cmd,
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return CMD_SUCCESS;
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}
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#define ENCAPS_STR "NS encapsulation options\n"
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DEFUN(cfg_nsip_local_ip, cfg_nsip_local_ip_cmd,
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"encapsulation udp local-ip A.B.C.D",
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ENCAPS_STR "NS over UDP Encapsulation\n"
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"Set the IP address on which we listen for NS/UDP\n"
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"IP Address\n")
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{
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struct in_addr ia;
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inet_aton(argv[0], &ia);
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vty_nsi->nsip.local_ip = ntohl(ia.s_addr);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_nsip_local_port, cfg_nsip_local_port_cmd,
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"encapsulation udp local-port <0-65535>",
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ENCAPS_STR "NS over UDP Encapsulation\n"
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"Set the UDP port on which we listen for NS/UDP\n"
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"UDP port number\n")
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{
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unsigned int port = atoi(argv[0]);
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vty_nsi->nsip.local_port = port;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_frgre_local_ip, cfg_frgre_local_ip_cmd,
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"encapsulation framerelay-gre local-ip A.B.C.D",
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ENCAPS_STR "NS over Frame Relay over GRE Encapsulation\n"
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"Set the IP address on which we listen for NS/FR/GRE\n"
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"IP Address\n")
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{
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struct in_addr ia;
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if (!vty_nsi->frgre.enabled) {
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vty_out(vty, "FR/GRE is not enabled%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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inet_aton(argv[0], &ia);
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vty_nsi->frgre.local_ip = ntohl(ia.s_addr);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_frgre_enable, cfg_frgre_enable_cmd,
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"encapsulation framerelay-gre enabled (1|0)",
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ENCAPS_STR "NS over Frame Relay over GRE Encapsulation\n"
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"Enable or disable Frame Relay over GRE\n"
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"Enable\n" "Disable\n")
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{
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int enabled = atoi(argv[0]);
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vty_nsi->frgre.enabled = enabled;
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return CMD_SUCCESS;
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}
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DEFUN(nsvc_nsei, nsvc_nsei_cmd,
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"nsvc nsei <0-65535> (block|unblock|reset)",
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"Perform an operation on a NSVC\n"
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@ -472,6 +557,10 @@ int gprs_ns_vty_init(struct gprs_ns_inst *nsi)
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install_element(NS_NODE, &cfg_nse_remoterole_cmd);
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install_element(NS_NODE, &cfg_no_nse_cmd);
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install_element(NS_NODE, &cfg_ns_timer_cmd);
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install_element(NS_NODE, &cfg_nsip_local_ip_cmd);
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install_element(NS_NODE, &cfg_nsip_local_port_cmd);
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install_element(NS_NODE, &cfg_frgre_enable_cmd);
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install_element(NS_NODE, &cfg_frgre_local_ip_cmd);
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install_element(ENABLE_NODE, &nsvc_nsei_cmd);
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