/* * Copyright (c) 2006 Oracle. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * */ #include #include #include #include "rds.h" #include "tcp.h" void rds_tcp_state_change(struct sock *sk) { void (*state_change)(struct sock *sk); struct rds_conn_path *cp; struct rds_tcp_connection *tc; read_lock_bh(&sk->sk_callback_lock); cp = sk->sk_user_data; if (!cp) { state_change = sk->sk_state_change; goto out; } tc = cp->cp_transport_data; state_change = tc->t_orig_state_change; rdsdebug("sock %p state_change to %d\n", tc->t_sock, sk->sk_state); switch (sk->sk_state) { /* ignore connecting sockets as they make progress */ case TCP_SYN_SENT: case TCP_SYN_RECV: break; case TCP_ESTABLISHED: /* Force the peer to reconnect so that we have the * TCP ports going from . to * .. We avoid marking the * RDS connection as RDS_CONN_UP until the reconnect, * to avoid RDS datagram loss. */ if (cp->cp_conn->c_laddr > cp->cp_conn->c_faddr && rds_conn_path_transition(cp, RDS_CONN_CONNECTING, RDS_CONN_ERROR)) { rds_conn_path_drop(cp); } else { rds_connect_path_complete(cp, RDS_CONN_CONNECTING); } break; case TCP_CLOSE_WAIT: case TCP_CLOSE: rds_conn_path_drop(cp); default: break; } out: read_unlock_bh(&sk->sk_callback_lock); state_change(sk); } int rds_tcp_conn_path_connect(struct rds_conn_path *cp) { struct socket *sock = NULL; struct sockaddr_in src, dest; int ret; struct rds_connection *conn = cp->cp_conn; struct rds_tcp_connection *tc = cp->cp_transport_data; /* for multipath rds,we only trigger the connection after * the handshake probe has determined the number of paths. */ if (cp->cp_index > 0 && cp->cp_conn->c_npaths < 2) return -EAGAIN; mutex_lock(&tc->t_conn_path_lock); if (rds_conn_path_up(cp)) { mutex_unlock(&tc->t_conn_path_lock); return 0; } ret = sock_create_kern(rds_conn_net(conn), PF_INET, SOCK_STREAM, IPPROTO_TCP, &sock); if (ret < 0) goto out; rds_tcp_tune(sock); src.sin_family = AF_INET; src.sin_addr.s_addr = (__force u32)conn->c_laddr; src.sin_port = (__force u16)htons(0); ret = sock->ops->bind(sock, (struct sockaddr *)&src, sizeof(src)); if (ret) { rdsdebug("bind failed with %d at address %pI4\n", ret, &conn->c_laddr); goto out; } dest.sin_family = AF_INET; dest.sin_addr.s_addr = (__force u32)conn->c_faddr; dest.sin_port = (__force u16)htons(RDS_TCP_PORT); /* * once we call connect() we can start getting callbacks and they * own the socket */ rds_tcp_set_callbacks(sock, cp); ret = sock->ops->connect(sock, (struct sockaddr *)&dest, sizeof(dest), O_NONBLOCK); cp->cp_outgoing = 1; rdsdebug("connect to address %pI4 returned %d\n", &conn->c_faddr, ret); if (ret == -EINPROGRESS) ret = 0; if (ret == 0) { rds_tcp_keepalive(sock); sock = NULL; } else { rds_tcp_restore_callbacks(sock, cp->cp_transport_data); } out: mutex_unlock(&tc->t_conn_path_lock); if (sock) sock_release(sock); return ret; } /* * Before killing the tcp socket this needs to serialize with callbacks. The * caller has already grabbed the sending sem so we're serialized with other * senders. * * TCP calls the callbacks with the sock lock so we hold it while we reset the * callbacks to those set by TCP. Our callbacks won't execute again once we * hold the sock lock. */ void rds_tcp_conn_path_shutdown(struct rds_conn_path *cp) { struct rds_tcp_connection *tc = cp->cp_transport_data; struct socket *sock = tc->t_sock; rdsdebug("shutting down conn %p tc %p sock %p\n", cp->cp_conn, tc, sock); if (sock) { sock->ops->shutdown(sock, RCV_SHUTDOWN | SEND_SHUTDOWN); lock_sock(sock->sk); rds_tcp_restore_callbacks(sock, tc); /* tc->tc_sock = NULL */ release_sock(sock->sk); sock_release(sock); } if (tc->t_tinc) { rds_inc_put(&tc->t_tinc->ti_inc); tc->t_tinc = NULL; } tc->t_tinc_hdr_rem = sizeof(struct rds_header); tc->t_tinc_data_rem = 0; } ude/dt-bindings/clock/ath79-clk.h?h=nds-private-remove&id=e9f7f17d53003ee46ccbaf057f7820bfb6e76b9d'>plain -rw-r--r--axis,artpec6-clkctrl.h1112log plain -rw-r--r--bcm-cygnus.h3135log plain -rw-r--r--bcm-ns2.h2915log plain -rw-r--r--bcm-nsp.h2148log plain -rw-r--r--bcm21664.h1984log plain -rw-r--r--bcm281xx.h2456log plain -rw-r--r--bcm2835-aux.h635log plain -rw-r--r--bcm2835.h1962log plain -rw-r--r--berlin2.h1034log plain -rw-r--r--berlin2q.h695log plain -rw-r--r--clps711x-clock.h718log plain -rw-r--r--efm32-cmu.h1112log plain -rw-r--r--exynos-audss-clk.h597log plain -rw-r--r--exynos3250.h9083log plain -rw-r--r--exynos4.h8284log plain -rw-r--r--exynos4415.h9828log plain -rw-r--r--exynos5250.h4616log plain -rw-r--r--exynos5260-clk.h14876log plain -rw-r--r--exynos5410.h1689log plain -rw-r--r--exynos5420.h6857log plain -rw-r--r--exynos5433.h45372log plain -rw-r--r--exynos5440.h1141log plain -rw-r--r--exynos7-clk.h5281log plain -rw-r--r--gxbb-aoclkc.h2866log plain -rw-r--r--gxbb-clkc.h592log plain -rw-r--r--hi3516cv300-clock.h1668log plain -rw-r--r--hi3519-clock.h1328log plain -rw-r--r--hi3620-clock.h4496log plain -rw-r--r--hi6220-clock.h4508log plain -rw-r--r--hip04-clock.h1137log plain -rw-r--r--histb-clock.h2012log plain -rw-r--r--hix5hd2-clock.h2415log plain -rw-r--r--imx1-clock.h1055log plain -rw-r--r--imx21-clock.h2461log plain -rw-r--r--imx27-clock.h3494log plain -rw-r--r--imx5-clock.h7212log plain -rw-r--r--imx6qdl-clock.h9593log plain -rw-r--r--imx6sl-clock.h5849log plain -rw-r--r--imx6sx-clock.h9099log plain -rw-r--r--imx6ul-clock.h8203log plain -rw-r--r--imx7d-clock.h15974log plain -rw-r--r--jz4740-cgu.h1028log plain -rw-r--r--jz4780-cgu.h2470log plain -rw-r--r--lpc18xx-ccu.h2134log plain -rw-r--r--lpc18xx-cgu.h1142log plain -rw-r--r--lpc32xx-clock.h1633log plain -rw-r--r--lsi,axm5516-clks.h974log plain -rw-r--r--marvell,mmp2.h2022log plain -rw-r--r--marvell,pxa168.h1654log plain -rw-r--r--marvell,pxa1928.h1535log plain -rw-r--r--marvell,pxa910.h1598log plain -rw-r--r--maxim,max77620.h632log plain -rw-r--r--maxim,max77686.h648log plain -rw-r--r--maxim,max77802.h630log plain -rw-r--r--meson8b-clkc.h523log plain -rw-r--r--microchip,pic32-clock.h1150log plain -rw-r--r--mpc512x-clock.h2236log plain -rw-r--r--mt2701-clk.h13832log plain -rw-r--r--mt8135-clk.h5641log plain -rw-r--r--mt8173-clk.h9293log plain -rw-r--r--oxsemi,ox810se.h1002log plain -rw-r--r--oxsemi,ox820.h1203log plain -rw-r--r--pistachio-clk.h4863log plain -rw-r--r--pxa-clock.h1715log plain -rw-r--r--qcom,gcc-apq8084.h12872log plain -rw-r--r--qcom,gcc-ipq4019.h5423log plain -rw-r--r--qcom,gcc-ipq806x.h8574log plain -rw-r--r--qcom,gcc-mdm9615.h9497log plain -rw-r--r--qcom,gcc-msm8660.h7932log plain -rw-r--r--qcom,gcc-msm8916.h6190log plain -rw-r--r--qcom,gcc-msm8960.h9342log plain -rw-r--r--qcom,gcc-msm8974.h12340log plain -rw-r--r--qcom,gcc-msm8994.h4858log plain -rw-r--r--qcom,gcc-msm8996.h12575log plain -rw-r--r--qcom,lcc-ipq806x.h899log plain -rw-r--r--qcom,lcc-mdm9615.h1701log plain -rw-r--r--qcom,lcc-msm8960.h1616log plain -rw-r--r--qcom,mmcc-apq8084.h5722log plain -rw-r--r--qcom,mmcc-msm8960.h4109log plain -rw-r--r--qcom,mmcc-msm8974.h5223log plain -rw-r--r--qcom,mmcc-msm8996.h9403log plain -rw-r--r--qcom,rpmcc.h2101log plain -rw-r--r--r7s72100-clock.h1218log plain -rw-r--r--r8a73a4-clock.h1596log plain -rw-r--r--r8a7740-clock.h1992log plain -rw-r--r--r8a7743-cpg-mssr.h1269log plain -rw-r--r--r8a7745-cpg-mssr.h1298log plain -rw-r--r--r8a7778-clock.h1855log plain -rw-r--r--r8a7779-clock.h1647log plain -rw-r--r--r8a7790-clock.h4367log plain -rw-r--r--r8a7791-clock.h4388log plain -rw-r--r--r8a7792-clock.h2562log plain -rw-r--r--r8a7793-clock.h4561log plain -rw-r--r--r8a7794-clock.h3679log plain -rw-r--r--r8a7795-cpg-mssr.h1890log plain -rw-r--r--r8a7796-cpg-mssr.h2066log plain -rw-r--r--renesas-cpg-mssr.h542log plain -rw-r--r--rk1108-cru.h6605log plain -rw-r--r--rk3036-cru.h4584log plain -rw-r--r--rk3066a-cru.h1068log plain -rw-r--r--rk3188-cru-common.h6105log plain -rw-r--r--rk3188-cru.h1435log plain