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gtpu refactor - fix gtpu logging formatting

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master
Francisco 4 years ago committed by Francisco Paisana
parent 44440cf562
commit 82b34f3b3f
3 changed files with 46 additions and 37 deletions
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24
srsenb/hdr/stack/upper/gtpu.h
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@ -82,7 +82,7 @@ public:
}; };
using ue_lcid_tunnel_list = srsran::bounded_vector<lcid_tunnel, MAX_TUNNELS_PER_UE>; using ue_lcid_tunnel_list = srsran::bounded_vector<lcid_tunnel, MAX_TUNNELS_PER_UE>;
explicit gtpu_tunnel_manager(srsran::task_sched_handle task_sched_); explicit gtpu_tunnel_manager(srsran::task_sched_handle task_sched_, srslog::basic_logger& logger);
void init(pdcp_interface_gtpu* pdcp_); void init(pdcp_interface_gtpu* pdcp_);
bool has_teid(uint32_t teid) const { return tunnels.contains(teid); } bool has_teid(uint32_t teid) const { return tunnels.contains(teid); }
@ -93,21 +93,21 @@ public:
const tunnel* add_tunnel(uint16_t rnti, uint32_t lcid, uint32_t teidout, uint32_t spgw_addr); const tunnel* add_tunnel(uint16_t rnti, uint32_t lcid, uint32_t teidout, uint32_t spgw_addr);
bool update_rnti(uint16_t old_rnti, uint16_t new_rnti); bool update_rnti(uint16_t old_rnti, uint16_t new_rnti);
void activate_tunnel(uint32_t teid); void activate_tunnel(uint32_t teid);
void suspend_tunnel(uint32_t teid); void suspend_tunnel(uint32_t teid);
void set_tunnel_priority(uint32_t first_teid, uint32_t second_teid); void set_tunnel_priority(uint32_t first_teid, uint32_t second_teid);
tunnel_state handle_rx_pdcp_sdu(uint32_t teid); void handle_rx_pdcp_sdu(uint32_t teid);
void buffer_pdcp_sdu(uint32_t teid, uint32_t pdcp_sn, srsran::unique_byte_buffer_t sdu); void buffer_pdcp_sdu(uint32_t teid, uint32_t pdcp_sn, srsran::unique_byte_buffer_t sdu);
void setup_forwarding(uint32_t rx_teid, uint32_t tx_teid); void setup_forwarding(uint32_t rx_teid, uint32_t tx_teid);
bool remove_tunnel(uint32_t teid); bool remove_tunnel(uint32_t teid);
bool remove_bearer(uint16_t rnti, uint32_t lcid); bool remove_bearer(uint16_t rnti, uint32_t lcid);
bool remove_rnti(uint16_t rnti); bool remove_rnti(uint16_t rnti);
private: private:
const uint32_t undefined_pdcp_sn = std::numeric_limits<uint32_t>::max(); static const uint32_t undefined_pdcp_sn = std::numeric_limits<uint32_t>::max();
using tunnel_list_t = srsran::static_id_obj_pool<uint32_t, tunnel, SRSENB_MAX_UES * MAX_TUNNELS_PER_UE>; using tunnel_list_t = srsran::static_id_obj_pool<uint32_t, tunnel, SRSENB_MAX_UES * MAX_TUNNELS_PER_UE>;
using tunnel_ctxt_it = typename tunnel_list_t::iterator; using tunnel_ctxt_it = typename tunnel_list_t::iterator;
srsran::task_sched_handle task_sched; srsran::task_sched_handle task_sched;
pdcp_interface_gtpu* pdcp = nullptr; pdcp_interface_gtpu* pdcp = nullptr;
@ -193,8 +193,8 @@ private:
}; };
m1u_handler m1u; m1u_handler m1u;
const uint32_t undefined_pdcp_sn = std::numeric_limits<uint32_t>::max(); static const uint32_t undefined_pdcp_sn = std::numeric_limits<uint32_t>::max();
gtpu_tunnel_manager tunnels; gtpu_tunnel_manager tunnels;
// Tx sequence number for signaling messages // Tx sequence number for signaling messages
uint32_t tx_seq = 0; uint32_t tx_seq = 0;

57
srsenb/src/stack/upper/gtpu.cc
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@ -28,8 +28,12 @@ using namespace srsran;
namespace srsenb { namespace srsenb {
gtpu_tunnel_manager::gtpu_tunnel_manager(srsran::task_sched_handle task_sched_) : // ensure consistent formatting
logger(srslog::fetch_basic_logger("GTPU")), task_sched(task_sched_) #define TEID_IN_FMT "TEID In=0x%x"
#define TEID_OUT_FMT "TEID Out=0x%x"
gtpu_tunnel_manager::gtpu_tunnel_manager(srsran::task_sched_handle task_sched_, srslog::basic_logger& logger) :
logger(logger), task_sched(task_sched_), tunnels(1)
{} {}
void gtpu_tunnel_manager::init(pdcp_interface_gtpu* pdcp_) void gtpu_tunnel_manager::init(pdcp_interface_gtpu* pdcp_)
@ -100,7 +104,7 @@ const gtpu_tunnel* gtpu_tunnel_manager::add_tunnel(uint16_t rnti, uint32_t lcid,
fmt::memory_buffer str_buffer; fmt::memory_buffer str_buffer;
srsran::gtpu_ntoa(str_buffer, htonl(spgw_addr)); srsran::gtpu_ntoa(str_buffer, htonl(spgw_addr));
logger.info("New tunnel teid_in=0x%x, teid_out=0x%x, rnti=0x%x, lcid=%d, addr=%s", logger.info("New tunnel created - " TEID_IN_FMT ", " TEID_OUT_FMT ", rnti=0x%x, lcid=%d, remote addr=%s",
tun->teid_in, tun->teid_in,
teidout, teidout,
rnti, rnti,
@ -140,7 +144,7 @@ bool gtpu_tunnel_manager::remove_tunnel(uint32_t teidin)
srsran_assert(lcid_it->teid == tun.teid_in and lcid_it->lcid == tun.lcid, "TEID in undefined state"); srsran_assert(lcid_it->teid == tun.teid_in and lcid_it->lcid == tun.lcid, "TEID in undefined state");
ue.erase(lcid_it); ue.erase(lcid_it);
logger.info("TEID In=%d for rnti=0x%x erased", teidin, tun.rnti); logger.info("Removed rnti=0x%x,lcid=%d tunnel with " TEID_IN_FMT, tun.rnti, tun.lcid, teidin);
tunnels.erase(teidin); tunnels.erase(teidin);
return true; return true;
} }
@ -183,7 +187,7 @@ void gtpu_tunnel_manager::activate_tunnel(uint32_t teid)
return; return;
} }
logger.info("Activating GTPU tunnel rnti=0x%x,TEID=%d. %d SDUs currently buffered", logger.info("Activating GTPU tunnel rnti=0x%x, " TEID_IN_FMT ". %d SDUs currently buffered",
tun.rnti, tun.rnti,
tun.teid_in, tun.teid_in,
tun.buffer->size()); tun.buffer->size());
@ -236,7 +240,7 @@ void gtpu_tunnel_manager::set_tunnel_priority(uint32_t before_teid, uint32_t aft
before_tun.rx_timer.run(); before_tun.rx_timer.run();
} }
gtpu_tunnel_manager::tunnel_state gtpu_tunnel_manager::handle_rx_pdcp_sdu(uint32_t teid) void gtpu_tunnel_manager::handle_rx_pdcp_sdu(uint32_t teid)
{ {
tunnel& rx_tun = tunnels[teid]; tunnel& rx_tun = tunnels[teid];
@ -244,8 +248,6 @@ gtpu_tunnel_manager::tunnel_state gtpu_tunnel_manager::handle_rx_pdcp_sdu(uint32
if (rx_tun.rx_timer.is_valid() and rx_tun.rx_timer.is_running()) { if (rx_tun.rx_timer.is_valid() and rx_tun.rx_timer.is_running()) {
rx_tun.rx_timer.run(); rx_tun.rx_timer.run();
} }
return rx_tun.state;
} }
void gtpu_tunnel_manager::buffer_pdcp_sdu(uint32_t teid, uint32_t pdcp_sn, srsran::unique_byte_buffer_t sdu) void gtpu_tunnel_manager::buffer_pdcp_sdu(uint32_t teid, uint32_t pdcp_sn, srsran::unique_byte_buffer_t sdu)
@ -272,13 +274,13 @@ void gtpu_tunnel_manager::setup_forwarding(uint32_t rx_teid, uint32_t tx_teid)
} }
}; };
logger.info("Creating forwarding tunnel for rnti=0x%x, lcid=%d, in={0x%x, 0x%x}->out={0x%x, 0x%x}", fmt::memory_buffer addrbuf;
rx_tun.rnti, srsran::gtpu_ntoa(addrbuf, htonl(rx_tun.spgw_addr));
rx_tun.lcid, fmt::format_to(addrbuf, ":0x{:x} > ", rx_tun.teid_out);
rx_tun.teid_out, srsran::gtpu_ntoa(addrbuf, htonl(tx_tun.spgw_addr));
rx_tun.spgw_addr, fmt::format_to(addrbuf, ":0x{:x}", tx_tun.teid_out);
tx_tun.teid_out, logger.info(
tx_tun.spgw_addr); "Created forwarding tunnel for rnti=0x%x, lcid=%d, %s", rx_tun.rnti, rx_tun.lcid, srsran::to_c_str(addrbuf));
} }
/******************** /********************
@ -286,7 +288,7 @@ void gtpu_tunnel_manager::setup_forwarding(uint32_t rx_teid, uint32_t tx_teid)
*******************/ *******************/
gtpu::gtpu(srsran::task_sched_handle task_sched_, srslog::basic_logger& logger) : gtpu::gtpu(srsran::task_sched_handle task_sched_, srslog::basic_logger& logger) :
m1u(this), task_sched(task_sched_), logger(logger), tunnels(task_sched_) m1u(this), task_sched(task_sched_), logger(logger), tunnels(task_sched_, logger)
{} {}
gtpu::~gtpu() gtpu::~gtpu()
@ -445,7 +447,7 @@ uint32_t gtpu::add_bearer(uint16_t rnti, uint32_t lcid, uint32_t addr, uint32_t
void gtpu::set_tunnel_status(uint32_t teidin, bool dl_active) void gtpu::set_tunnel_status(uint32_t teidin, bool dl_active)
{ {
if (not tunnels.has_teid(teidin)) { if (not tunnels.has_teid(teidin)) {
logger.error("Setting status for non-existent TEID In=0x%x", teidin); logger.error("Setting status for non-existent " TEID_IN_FMT, teidin);
return; return;
} }
@ -478,7 +480,7 @@ void gtpu::mod_bearer_rnti(uint16_t old_rnti, uint16_t new_rnti)
void gtpu::rem_tunnel(uint32_t teidin) void gtpu::rem_tunnel(uint32_t teidin)
{ {
if (not tunnels.has_teid(teidin)) { if (not tunnels.has_teid(teidin)) {
logger.warning("TEID In=0x%x to be removed does not exist", teidin); logger.warning("Removing tunnel - " TEID_IN_FMT " does not exist", teidin);
return; return;
} }
tunnels.remove_tunnel(teidin); tunnels.remove_tunnel(teidin);
@ -487,7 +489,7 @@ void gtpu::rem_tunnel(uint32_t teidin)
void gtpu::rem_user(uint16_t rnti) void gtpu::rem_user(uint16_t rnti)
{ {
if (tunnels.find_rnti_tunnels(rnti) == nullptr) { if (tunnels.find_rnti_tunnels(rnti) == nullptr) {
logger.warning("removing rnti. rnti=0x%x not found.", rnti); logger.info("Removing user - rnti=0x%x not found.", rnti);
return; return;
} }
tunnels.remove_rnti(rnti); tunnels.remove_rnti(rnti);
@ -496,7 +498,7 @@ void gtpu::rem_user(uint16_t rnti)
void gtpu::handle_end_marker(const gtpu_tunnel& rx_tunnel) void gtpu::handle_end_marker(const gtpu_tunnel& rx_tunnel)
{ {
uint16_t rnti = rx_tunnel.rnti; uint16_t rnti = rx_tunnel.rnti;
logger.info("Received GTPU End Marker for TEID In=0x%x, rnti=0x%x.", rx_tunnel.teid_in, rnti); logger.info("Received GTPU End Marker for " TEID_IN_FMT ", rnti=0x%x.", rx_tunnel.teid_in, rnti);
if (rx_tunnel.state == gtpu_tunnel_state::forward_to) { if (rx_tunnel.state == gtpu_tunnel_state::forward_to) {
// TS 36.300, Sec 10.1.2.2.1 - Path Switch upon handover // TS 36.300, Sec 10.1.2.2.1 - Path Switch upon handover
@ -526,6 +528,13 @@ void gtpu::handle_gtpu_s1u_rx_packet(srsran::unique_byte_buffer_t pdu, const soc
echo_response(addr.sin_addr.s_addr, addr.sin_port, header.seq_number); echo_response(addr.sin_addr.s_addr, addr.sin_port, header.seq_number);
return; return;
} }
if (header.message_type == GTPU_MSG_ERROR_INDICATION) {
logger.warning("Received Error Indication");
return;
}
if (header.teid == 0) {
logger.warning("Received GTPU S1-U message with " TEID_IN_FMT, header.teid);
}
// Find TEID present in GTPU Header // Find TEID present in GTPU Header
const gtpu_tunnel* tun_ptr = tunnels.find_tunnel(header.teid); const gtpu_tunnel* tun_ptr = tunnels.find_tunnel(header.teid);
@ -570,9 +579,9 @@ void gtpu::handle_msg_data_pdu(const gtpu_header_t& header,
log_message(rx_tunnel, true, srsran::make_span(pdu)); log_message(rx_tunnel, true, srsran::make_span(pdu));
gtpu_tunnel_manager::tunnel_state tun_state = tunnels.handle_rx_pdcp_sdu(rx_tunnel.teid_in); tunnels.handle_rx_pdcp_sdu(rx_tunnel.teid_in);
switch (tun_state) { switch (rx_tunnel.state) {
case gtpu_tunnel_manager::tunnel_state::forward_to: { case gtpu_tunnel_manager::tunnel_state::forward_to: {
// Forward SDU to direct/indirect tunnel during Handover // Forward SDU to direct/indirect tunnel during Handover
send_pdu_to_tunnel(*rx_tunnel.fwd_tunnel, std::move(pdu)); send_pdu_to_tunnel(*rx_tunnel.fwd_tunnel, std::move(pdu));
@ -588,7 +597,7 @@ void gtpu::handle_msg_data_pdu(const gtpu_header_t& header,
} }
case gtpu_tunnel_manager::tunnel_state::forwarded_from: case gtpu_tunnel_manager::tunnel_state::forwarded_from:
default: default:
logger.error("TEID=0x%x in invalid state"); logger.error(TEID_IN_FMT " found in invalid state", rx_tunnel.teid_in);
break; break;
} }
} }
@ -760,7 +769,7 @@ void gtpu::log_message(const gtpu_tunnel& tun, bool is_rx, srsran::span<uint8_t>
fmt::format_to(strbuf2, "DL, "); fmt::format_to(strbuf2, "DL, ");
break; break;
default: default:
logger.error("TEID=%d found in invalid state: %d", tun.teid_in, (int)tun.state); logger.error(TEID_IN_FMT " found in invalid state: %d", tun.teid_in, (int)tun.state);
break; break;
} }
} else { } else {

2
srsenb/test/upper/gtpu_test.cc
Unescape Escape View File

@ -136,7 +136,7 @@ void test_gtpu_tunnel_manager()
const uint32_t drb1_lcid = 3; const uint32_t drb1_lcid = 3;
srsran::task_scheduler task_sched; srsran::task_scheduler task_sched;
gtpu_tunnel_manager tunnels(&task_sched); gtpu_tunnel_manager tunnels(&task_sched, srslog::fetch_basic_logger("GTPU"));
TESTASSERT(tunnels.find_tunnel(0) == nullptr); TESTASSERT(tunnels.find_tunnel(0) == nullptr);
TESTASSERT(tunnels.find_rnti_lcid_tunnels(0x46, drb1_lcid).empty()); TESTASSERT(tunnels.find_rnti_lcid_tunnels(0x46, drb1_lcid).empty());
TESTASSERT(tunnels.find_rnti_tunnels(0x46) == nullptr); TESTASSERT(tunnels.find_rnti_tunnels(0x46) == nullptr);

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