Use separate port numbers for RDMA-CM
This commit is contained in:
@@ -78,9 +78,9 @@ Consider `use_rdmacm` for such networks.
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Use an alternative implementation of RDMA through RDMA-CM (Connection
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Manager). Works with all RDMA networks: Infiniband, iWARP and
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RoCEv1/RoCEv2, and even allows to disable TCP and run only with RDMA.
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When enabled, OSDs listen to the same address(es) and port(s) using
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TCP and RDMA-CM. `use_rdma` is automatically disabled when `use_rdmacm`
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is enabled.
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OSDs always use random port numbers for RDMA-CM listeners, different
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from their TCP ports. `use_rdma` is automatically disabled when
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`use_rdmacm` is enabled.
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## disable_tcp
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@@ -78,9 +78,9 @@ RDMA-устройства, но они не имеют соединения с
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Использовать альтернативную реализацию RDMA на основе RDMA-CM (Connection
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Manager). Работает со всеми типами RDMA-сетей: Infiniband, iWARP и
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RoCEv1/RoCEv2, и даже позволяет полностью отключить TCP и работать
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только на RDMA. Когда опция включена, OSD слушают один и тот же порт
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на одних и тех же адресах через TCP и RDMA-CM. Также при включении
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автоматически отключается опция `use_rdma`.
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только на RDMA. OSD используют случайные номера портов для ожидания
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соединений через RDMA-CM, отличающиеся от их TCP-портов. Также при
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включении `use_rdmacm` автоматически отключается опция `use_rdma`.
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## disable_tcp
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@@ -56,16 +56,16 @@
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Use an alternative implementation of RDMA through RDMA-CM (Connection
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Manager). Works with all RDMA networks: Infiniband, iWARP and
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RoCEv1/RoCEv2, and even allows to disable TCP and run only with RDMA.
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When enabled, OSDs listen to the same address(es) and port(s) using
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TCP and RDMA-CM. `use_rdma` is automatically disabled when `use_rdmacm`
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is enabled.
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OSDs always use random port numbers for RDMA-CM listeners, different
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from their TCP ports. `use_rdma` is automatically disabled when
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`use_rdmacm` is enabled.
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info_ru: |
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Использовать альтернативную реализацию RDMA на основе RDMA-CM (Connection
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Manager). Работает со всеми типами RDMA-сетей: Infiniband, iWARP и
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RoCEv1/RoCEv2, и даже позволяет полностью отключить TCP и работать
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только на RDMA. Когда опция включена, OSD слушают один и тот же порт
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на одних и тех же адресах через TCP и RDMA-CM. Также при включении
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автоматически отключается опция `use_rdma`.
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только на RDMA. OSD используют случайные номера портов для ожидания
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соединений через RDMA-CM, отличающиеся от их TCP-портов. Также при
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включении `use_rdmacm` автоматически отключается опция `use_rdma`.
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- name: disable_tcp
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type: bool
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default: true
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@@ -420,7 +420,7 @@ void osd_messenger_t::connect_peer(uint64_t peer_osd, json11::Json peer_state)
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wanted_peers[peer_osd].address_changed = true;
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}
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#ifdef WITH_RDMACM
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wanted_peers[peer_osd].peer_rdmacm = peer_state["rdmacm"].bool_value();
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wanted_peers[peer_osd].rdmacm_port = (int)peer_state["rdmacm_port"].int64_value();
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#endif
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wanted_peers[peer_osd].port = (int)peer_state["port"].int64_value();
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try_connect_peer(peer_osd);
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@@ -448,8 +448,8 @@ void osd_messenger_t::try_connect_peer(uint64_t peer_osd)
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wp.cur_port = wp.port;
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wp.connecting = true;
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#ifdef WITH_RDMACM
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if (use_rdmacm && wp.peer_rdmacm)
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rdmacm_try_connect_peer(peer_osd, wp.cur_addr.c_str(), wp.cur_port);
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if (use_rdmacm && wp.rdmacm_port)
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rdmacm_try_connect_peer(peer_osd, wp.cur_addr.c_str(), wp.rdmacm_port, wp.cur_port);
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else
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#endif
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try_connect_peer_tcp(peer_osd, wp.cur_addr.c_str(), wp.cur_port);
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@@ -96,8 +96,10 @@ struct osd_wanted_peer_t
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{
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json11::Json raw_address_list;
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json11::Json address_list;
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bool peer_rdmacm = false;
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int port = 0;
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#ifdef WITH_RDMACM
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int rdmacm_port = 0;
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#endif
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time_t last_connect_attempt = 0;
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bool connecting = false, address_changed = false;
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int address_index = 0;
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@@ -283,7 +285,7 @@ protected:
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msgr_rdma_context_t* rdmacm_get_context(ibv_context *verbs);
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msgr_rdma_context_t* rdmacm_create_qp(rdma_cm_id *cmid);
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void rdmacm_accept(rdma_cm_event *ev);
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void rdmacm_try_connect_peer(uint64_t peer_osd, const std::string & addr, int peer_port);
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void rdmacm_try_connect_peer(uint64_t peer_osd, const std::string & addr, int rdmacm_port, int fallback_tcp_port);
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void rdmacm_on_connect_peer_error(rdma_cm_id *cmid, int res);
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void rdmacm_address_resolved(rdma_cm_event *ev);
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void rdmacm_route_resolved(rdma_cm_event *ev);
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+12
-10
@@ -15,7 +15,8 @@ struct rdmacm_connecting_t
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osd_num_t peer_osd = 0;
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std::string addr;
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sockaddr_storage parsed_addr = {};
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int peer_port = 0;
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int rdmacm_port = 0;
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int tcp_port = 0;
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int timeout_ms = 0;
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int timeout_id = -1;
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msgr_rdma_context_t *rdma_context = NULL;
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@@ -315,7 +316,7 @@ void osd_messenger_t::rdmacm_on_connect_peer_error(rdma_cm_id *cmid, int res)
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{
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auto conn = rdmacm_connecting.at(cmid);
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auto addr = conn->addr;
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auto peer_port = conn->peer_port;
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auto tcp_port = conn->tcp_port;
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auto peer_osd = conn->peer_osd;
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if (conn->timeout_id >= 0)
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tfd->clear_timer(conn->timeout_id);
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@@ -334,7 +335,7 @@ void osd_messenger_t::rdmacm_on_connect_peer_error(rdma_cm_id *cmid, int res)
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if (!disable_tcp)
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{
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// Fall back to TCP instead of just reporting the error to on_connect_peer()
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try_connect_peer_tcp(peer_osd, addr.c_str(), peer_port);
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try_connect_peer_tcp(peer_osd, addr.c_str(), tcp_port);
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}
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else
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{
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@@ -343,10 +344,10 @@ void osd_messenger_t::rdmacm_on_connect_peer_error(rdma_cm_id *cmid, int res)
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}
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}
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void osd_messenger_t::rdmacm_try_connect_peer(uint64_t peer_osd, const std::string & addr, int peer_port)
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void osd_messenger_t::rdmacm_try_connect_peer(uint64_t peer_osd, const std::string & addr, int rdmacm_port, int fallback_tcp_port)
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{
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struct sockaddr_storage sa = {};
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if (!string_to_addr(addr, false, peer_port, &sa))
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if (!string_to_addr(addr, false, rdmacm_port, &sa))
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{
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fprintf(stderr, "Address %s is invalid\n", addr.c_str());
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on_connect_peer(peer_osd, -EINVAL);
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@@ -358,7 +359,7 @@ void osd_messenger_t::rdmacm_try_connect_peer(uint64_t peer_osd, const std::stri
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int res = -errno;
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fprintf(stderr, "Failed to create RDMA-CM ID: %s (code %d), using TCP\n", strerror(errno), errno);
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if (!disable_tcp)
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try_connect_peer_tcp(peer_osd, addr.c_str(), peer_port);
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try_connect_peer_tcp(peer_osd, addr.c_str(), fallback_tcp_port);
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else
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on_connect_peer(peer_osd, res);
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return;
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@@ -380,7 +381,8 @@ void osd_messenger_t::rdmacm_try_connect_peer(uint64_t peer_osd, const std::stri
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conn->peer_osd = peer_osd;
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conn->addr = addr;
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conn->parsed_addr = sa;
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conn->peer_port = peer_port;
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conn->rdmacm_port = rdmacm_port;
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conn->tcp_port = fallback_tcp_port;
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conn->timeout_ms = peer_connect_timeout*1000;
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conn->timeout_id = -1;
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if (peer_connect_timeout > 0)
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@@ -465,7 +467,7 @@ void osd_messenger_t::rdmacm_route_resolved(rdma_cm_event *ev)
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if (rdma_connect(cmid, &conn_params) != 0)
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{
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int res = -errno;
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fprintf(stderr, "Failed to connect to %s:%d via RDMA-CM: %s (code %d)\n", conn->addr.c_str(), conn->peer_port, strerror(errno), errno);
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fprintf(stderr, "Failed to connect to %s:%d via RDMA-CM: %s (code %d)\n", conn->addr.c_str(), conn->rdmacm_port, strerror(errno), errno);
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rdmacm_on_connect_peer_error(cmid, res);
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return;
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}
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@@ -484,7 +486,7 @@ void osd_messenger_t::rdmacm_established(rdma_cm_event *ev)
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auto peer_osd = conn->peer_osd;
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if (ev->event != RDMA_CM_EVENT_ESTABLISHED || ev->status != 0)
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{
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fprintf(stderr, "Failed to connect to %s:%d via RDMA-CM: %s (code %d)\n", conn->addr.c_str(), conn->peer_port,
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fprintf(stderr, "Failed to connect to %s:%d via RDMA-CM: %s (code %d)\n", conn->addr.c_str(), conn->rdmacm_port,
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ev->status > 0 ? "unknown error" : strerror(-ev->status), ev->status);
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rdmacm_on_connect_peer_error(cmid, ev->status);
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return;
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@@ -503,7 +505,7 @@ void osd_messenger_t::rdmacm_established(rdma_cm_event *ev)
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// And an osd_client_t
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auto cl = new osd_client_t();
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cl->peer_addr = conn->parsed_addr;
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cl->peer_port = conn->peer_port;
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cl->peer_port = conn->rdmacm_port;
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cl->peer_fd = conn->peer_fd;
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cl->peer_state = PEER_RDMA;
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cl->connect_timeout_id = -1;
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+2
-1
@@ -376,7 +376,8 @@ void osd_t::bind_socket()
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{
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for (auto & bind_address: bind_addresses)
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{
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auto listener = msgr.rdmacm_listen(bind_address, listening_port, &listening_port, log_level);
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// iWARP shares port numbers with TCP traffic and can't listen on the same port with TCP and RDMACM
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auto listener = msgr.rdmacm_listen(bind_address, rdmacm_port, &rdmacm_port, log_level);
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if (listener)
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rdmacm_listeners.push_back(listener);
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}
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@@ -206,6 +206,7 @@ class osd_t
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std::vector<int> listen_fds;
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#ifdef WITH_RDMACM
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std::vector<rdma_cm_id *> rdmacm_listeners;
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int rdmacm_port = 0;
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#endif
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ring_consumer_t consumer;
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@@ -174,7 +174,7 @@ json11::Json osd_t::get_osd_state()
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st["port"] = listening_port;
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#ifdef WITH_RDMACM
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if (rdmacm_listeners.size())
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st["rdmacm"] = true;
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st["rdmacm_port"] = rdmacm_port;
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#endif
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st["primary_enabled"] = run_primary;
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st["blockstore_enabled"] = bs ? true : false;
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