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Linux Kernel
net/smc/smc_ib.c
int smc_ib_buf_map_sg(struct smc_link *lnk, struct smc_buf_desc *buf_slot, enum dma_data_direction data_direction) { int mapped_nents; mapped_nents = ib_dma_map_sg(lnk->smcibdev->ibdev, buf_slot->sgt[lnk->link_idx].sgl, buf_slot->sgt[lnk->link_idx].orig_nents, data_d...
[ 0, 0 ]
Linux Kernel
net/smc/smc_ib.c
static void smc_copy_netdev_ifindex(struct smc_ib_device *smcibdev, int port) { struct ib_device *ibdev = smcibdev->ibdev; struct net_device *ndev; if (!ibdev->ops.get_netdev) return; ndev = ibdev->ops.get_netdev(ibdev, port + 1); if (ndev) { smcibdev->ndev_ifidx[port] = ndev->ifindex; dev_put(n...
[ 0, 0 ]
Linux Kernel
net/smc/smc_ib.c
static void smc_ib_remove_dev(struct ib_device *ibdev, void *client_data) { struct smc_ib_device *smcibdev = client_data; mutex_lock(&smc_ib_devices.mutex); list_del_init(&smcibdev->list); mutex_unlock(&smc_ib_devices.mutex); pr_warn_ratelimited("smc: removing ib device %s\n", smcibdev->ibdev->name); smc_s...
[ 0, 0 ]
Linux Kernel
net/smc/smc_ib.h
static inline struct net *smc_ib_net(struct smc_ib_device *smcibdev) { if (smcibdev && smcibdev->ibdev) return read_pnet(&smcibdev->ibdev->coredev.rdma_net); return NULL; }
[ 1, 0 ]
Linux Kernel
net/smc/smc_ism.c
void smc_ism_get_system_eid(u8 **eid) { if (!smc_ism_v2_capable) *eid = NULL; else *eid = smc_ism_v2_system_eid; }
[ 0, 0 ]
Linux Kernel
net/smc/smc_ism.c
void smc_ism_set_conn(struct smc_connection *conn) { unsigned long flags; spin_lock_irqsave(&conn->lgr->smcd->lock, flags); conn->lgr->smcd->conn[conn->rmb_desc->sba_idx] = conn; spin_unlock_irqrestore(&conn->lgr->smcd->lock, flags); }
[ 1, 0 ]
Linux Kernel
net/smc/smc_ism.c
int smc_ism_register_dmb(struct smc_link_group *lgr, int dmb_len, struct smc_buf_desc *dmb_desc) { struct smcd_dmb dmb; int rc; memset(&dmb, 0, sizeof(dmb)); dmb.dmb_len = dmb_len; dmb.sba_idx = dmb_desc->sba_idx; dmb.vlan_id = lgr->vlan_id; dmb.rgid = lgr->peer_gid; rc = lgr-...
[ 1, 0 ]
Linux Kernel
net/smc/smc_ism.c
void smcd_unregister_dev(struct smcd_dev *smcd) { pr_warn_ratelimited("smc: removing smcd device %s\n", dev_name(&smcd->dev)); mutex_lock(&smcd_dev_list.mutex); list_del_init(&smcd->list); mutex_unlock(&smcd_dev_list.mutex); smcd->going_away = 1; smc_smcd_terminate_all(smcd); destroy_workqueue(smcd->even...
[ 0, 0 ]
Linux Kernel
net/smc/smc_ism.c
void __init smc_ism_init(void) { smc_ism_v2_capable = false; memset(smc_ism_v2_system_eid, 0, SMC_MAX_EID_LEN); }
[ 1, 0 ]
Linux Kernel
net/smc/smc_ism.h
static inline int smc_ism_write(struct smcd_dev *smcd, u64 dmb_tok, unsigned int idx, bool sf, unsigned int offset, void *data, size_t len) { int rc; rc = smcd->ops->move_data(smcd, dmb_tok, idx, sf, offset, data, len); return rc < 0 ? rc : 0; }
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
void smc_llc_flow_qentry_del(struct smc_llc_flow *flow) { struct smc_llc_qentry *qentry; if (flow->qentry) { qentry = flow->qentry; flow->qentry = NULL; kfree(qentry); } }
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
static void smc_llc_flow_parallel(struct smc_link_group *lgr, u8 flow_type, struct smc_llc_qentry *qentry) { u8 msg_type = qentry->msg.raw.hdr.common.llc_type; if ((msg_type == SMC_LLC_ADD_LINK || msg_type == SMC_LLC_DELETE_LINK) && flow_type != msg_type && !lgr->delayed_eve...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
int smc_llc_flow_initiate(struct smc_link_group *lgr, enum smc_llc_flowtype type) { enum smc_llc_flowtype allowed_remote = SMC_LLC_FLOW_NONE; int rc; if (type == SMC_LLC_FLOW_RKEY) allowed_remote = SMC_LLC_FLOW_RKEY; again: if (list_empty(&lgr->list)) return -ENODEV; spin_lo...
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
void smc_llc_flow_stop(struct smc_link_group *lgr, struct smc_llc_flow *flow) { spin_lock_bh(&lgr->llc_flow_lock); memset(flow, 0, sizeof(*flow)); flow->type = SMC_LLC_FLOW_NONE; spin_unlock_bh(&lgr->llc_flow_lock); if (!list_empty(&lgr->list) && lgr->delayed_event && flow == &lgr->llc_flow_lcl) sch...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static int smc_llc_add_pending_send(struct smc_link *link, struct smc_wr_buf **wr_buf, struct smc_wr_tx_pend_priv **pend) { int rc; rc = smc_wr_tx_get_free_slot(link, smc_llc_tx_handler, wr_buf, NULL, pend); if (rc < 0) return rc; BUIL...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static int smc_llc_send_test_link(struct smc_link *link, u8 user_data[16]) { struct smc_llc_msg_test_link *testllc; struct smc_wr_tx_pend_priv *pend; struct smc_wr_buf *wr_buf; int rc; if (!smc_wr_tx_link_hold(link)) return -ENOLINK; rc = smc_llc_add_pending_send(link, &wr_buf, &pend); if (rc) go...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static int smc_llc_send_message_wait(struct smc_link *link, void *llcbuf) { struct smc_wr_tx_pend_priv *pend; struct smc_wr_buf *wr_buf; int rc; if (!smc_wr_tx_link_hold(link)) return -ENOLINK; rc = smc_llc_add_pending_send(link, &wr_buf, &pend); if (rc) goto put_out; memcpy(wr_buf, llcbuf, sizeo...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static int smc_llc_cli_rkey_exchange(struct smc_link *link, struct smc_link *link_new) { struct smc_llc_msg_add_link_cont *addc_llc; struct smc_link_group *lgr = link->lgr; u8 max, num_rkeys_send, num_rkeys_recv; struct smc_llc_qentry *qentry; struct smc_buf_desc *buf_pos...
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
static void smc_llc_cli_add_link_invite(struct smc_link *link, struct smc_llc_qentry *qentry) { struct smc_link_group *lgr = smc_get_lgr(link); struct smc_init_info *ini = NULL; if (lgr->smc_version == SMC_V2) { smc_llc_send_request_add_link(link); goto out; } ...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static void smc_llc_delete_asym_link(struct smc_link_group *lgr) { struct smc_link *lnk_new = NULL, *lnk_asym; struct smc_llc_qentry *qentry; int rc; lnk_asym = smc_llc_find_asym_link(lgr); if (!lnk_asym) return; if (!smc_link_downing(&lnk_asym->state)) return; lnk_new = smc_switch_conns(lgr, lnk...
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
static int smc_llc_srv_rkey_exchange(struct smc_link *link, struct smc_link *link_new) { struct smc_llc_msg_add_link_cont *addc_llc; struct smc_link_group *lgr = link->lgr; u8 max, num_rkeys_send, num_rkeys_recv; struct smc_llc_qentry *qentry = NULL; struct smc_buf_desc *...
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
static void smc_llc_send_req_add_link_response(struct smc_llc_qentry *qentry) { qentry->msg.raw.hdr.flags |= SMC_LLC_FLAG_RESP; smc_llc_init_msg_hdr(&qentry->msg.raw.hdr, qentry->link->lgr, sizeof(qentry->msg)); memset(&qentry->msg.raw.data, 0, sizeof(qentry->msg.raw.data)); smc_llc_send...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static void smc_llc_process_srv_add_link(struct smc_link_group *lgr) { struct smc_link *link = lgr->llc_flow_lcl.qentry->link; struct smc_llc_qentry *qentry; int rc; qentry = smc_llc_flow_qentry_clr(&lgr->llc_flow_lcl); mutex_lock(&lgr->llc_conf_mutex); rc = smc_llc_srv_add_link(link, qentry); if (!rc &...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static void smc_llc_add_link_work(struct work_struct *work) { struct smc_link_group *lgr = container_of(work, struct smc_link_group, llc_add_link_work); if (list_empty(&lgr->list)) { smc_llc_flow_qentry_del(&lgr->llc_flow_lcl); goto out; } if (lgr->role == SMC_CLNT) smc_llc_process_cli_add_...
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
void smc_llc_srv_delete_link_local(struct smc_link *link, u8 del_link_id) { struct smc_llc_msg_del_link del_llc = {}; del_llc.hd.common.llc_type = SMC_LLC_DELETE_LINK; smc_llc_init_msg_hdr(&del_llc.hd, link->lgr, sizeof(del_llc)); del_llc.link_num = del_link_id; del_llc.reason = htonl(SMC_LLC_DEL_LOST_PATH);...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
static void smc_llc_rx_handler(struct ib_wc *wc, void *buf) { struct smc_link *link = (struct smc_link *)wc->qp->qp_context; union smc_llc_msg *llc = buf; if (wc->byte_len < sizeof(*llc)) return; if (!llc->raw.hdr.common.llc_version) { if (llc->raw.hdr.length != sizeof(*llc)) return; /* invalid m...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
void smc_llc_lgr_init(struct smc_link_group *lgr, struct smc_sock *smc) { struct net *net = sock_net(smc->clcsock->sk); INIT_WORK(&lgr->llc_event_work, smc_llc_event_work); INIT_WORK(&lgr->llc_add_link_work, smc_llc_add_link_work); INIT_WORK(&lgr->llc_del_link_work, smc_llc_delete_link_work); INIT_LIST_HEAD...
[ 0, 0 ]
Linux Kernel
net/smc/smc_llc.c
void smc_llc_link_clear(struct smc_link *link, bool log) { if (log) pr_warn_ratelimited("smc: SMC-R lg %*phN net %llu link removed: id %*phN" ", peerid %*phN, ibdev %s, ibport %d\n", SMC_LGR_ID_SIZE, &link->lgr->id, link->lgr->net->net_cookie...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
int smc_llc_do_delete_rkey(struct smc_link_group *lgr, struct smc_buf_desc *rmb_desc) { struct smc_llc_qentry *qentry = NULL; struct smc_link *send_link; int rc = 0; send_link = smc_llc_usable_link(lgr); if (!send_link) return -ENOLINK; rc = smc_llc_send_delete_rkey(send_lin...
[ 1, 0 ]
Linux Kernel
net/smc/smc_llc.c
void smc_llc_save_peer_uid(struct smc_llc_qentry *qentry) { memcpy(qentry->link->peer_link_uid, qentry->msg.confirm_link.link_uid, SMC_LGR_ID_SIZE); }
[ 1, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static struct smc_ib_device *smc_pnet_find_ib(char *ib_name) { struct smc_ib_device *ibdev; mutex_lock(&smc_ib_devices.mutex); list_for_each_entry(ibdev, &smc_ib_devices.list, list) { if (!strncmp(ibdev->ibdev->name, ib_name, sizeof(ibdev->ibdev->name)) || (ibdev->ibdev->dev.parent && !strnc...
[ 1, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static struct smcd_dev *smc_pnet_find_smcd(char *smcd_name) { struct smcd_dev *smcd_dev; mutex_lock(&smcd_dev_list.mutex); list_for_each_entry(smcd_dev, &smcd_dev_list.list, list) { if (!strncmp(dev_name(&smcd_dev->dev), smcd_name, IB_DEVICE_NAME_MAX - 1)) goto out; } smcd_dev = NULL; out: mutex_...
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static int smc_pnet_set_nla(struct sk_buff *msg, struct smc_pnetentry *pnetelem) { if (nla_put_string(msg, SMC_PNETID_NAME, pnetelem->pnet_name)) return -1; if (pnetelem->type == SMC_PNET_ETH) { if (nla_put_string(msg, SMC_PNETID_ETHNAME, pnetelem->eth_name)) return -1; }...
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static int smc_pnet_dump_start(struct netlink_callback *cb) { cb->args[0] = 0; return 0; }
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
bool smc_pnet_is_ndev_pnetid(struct net *net, u8 *pnetid) { struct smc_net *sn = net_generic(net, smc_net_id); struct smc_pnetids_ndev_entry *pe; bool rc = false; read_lock(&sn->pnetids_ndev.lock); list_for_each_entry(pe, &sn->pnetids_ndev.list, list) { if (smc_pnet_match(pnetid, pe->pnetid)) { rc...
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static int smc_pnet_add_pnetid(struct net *net, u8 *pnetid) { struct smc_net *sn = net_generic(net, smc_net_id); struct smc_pnetids_ndev_entry *pe, *pi; pe = kzalloc(sizeof(*pe), GFP_KERNEL); if (!pe) return -ENOMEM; write_lock(&sn->pnetids_ndev.lock); list_for_each_entry(pi, &sn->pnetids_ndev.list, ...
[ 1, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static void smc_pnet_remove_pnetid(struct net *net, u8 *pnetid) { struct smc_net *sn = net_generic(net, smc_net_id); struct smc_pnetids_ndev_entry *pe, *pe2; write_lock(&sn->pnetids_ndev.lock); list_for_each_entry_safe(pe, pe2, &sn->pnetids_ndev.list, list) { if (smc_pnet_match(pnetid, pe->pnetid)) { ...
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static void smc_pnet_create_pnetids_list(struct net *net) { u8 ndev_pnetid[SMC_MAX_PNETID_LEN]; struct net_device *dev; rtnl_lock(); for_each_netdev(net, dev) smc_pnet_add_base_pnetid(net, dev, ndev_pnetid); rtnl_unlock(); }
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
void smc_pnet_exit(void) { unregister_netdevice_notifier(&smc_netdev_notifier); genl_unregister_family(&smc_pnet_nl_family); }
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static int smc_pnet_find_ndev_pnetid_by_table(struct net_device *ndev, u8 *pnetid) { struct smc_pnettable *pnettable; struct net *net = dev_net(ndev); struct smc_pnetentry *pnetelem; struct smc_net *sn; int rc = -ENOENT; sn = net_generic(net, smc_net_id); pne...
[ 1, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static int smc_pnet_determine_gid(struct smc_ib_device *ibdev, int i, struct smc_init_info *ini) { if (!ini->check_smcrv2 && !smc_ib_determine_gid(ibdev, i, ini->vlan_id, ini->ib_gid, NULL, NULL)) { ini->ib_dev = ibdev; ini->ib_port = i; return 0; } if (ini->ch...
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static void _smc_pnet_find_roce_by_pnetid(u8 *pnet_id, struct smc_init_info *ini, struct smc_ib_device *known_dev, struct net *net) { struct smc_ib_device *ibdev; int i; mutex_lock(&smc_i...
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
static void smc_pnet_find_roce_by_pnetid(struct net_device *ndev, struct smc_init_info *ini) { u8 ndev_pnetid[SMC_MAX_PNETID_LEN]; struct net *net; ndev = pnet_find_base_ndev(ndev); net = dev_net(ndev); if (smc_pnetid_by_dev_port(ndev->dev.parent, ndev->dev_port, ndev...
[ 0, 0 ]
Linux Kernel
net/smc/smc_pnet.c
int smc_pnetid_by_table_smcd(struct smcd_dev *smcddev) { const char *ib_name = dev_name(&smcddev->dev); struct smc_pnettable *pnettable; struct smc_pnetentry *tmp_pe; struct smc_net *sn; int rc = -ENOENT; sn = net_generic(&init_net, smc_net_id); pnettable = &sn->pnettable; mutex_lock(&pnettable->lock)...
[ 0, 0 ]
Linux Kernel
net/smc/smc_rx.c
static void smc_rx_wake_up(struct sock *sk) { struct socket_wq *wq; /* called already in smc_listen_work() */ rcu_read_lock(); wq = rcu_dereference(sk->sk_wq); if (skwq_has_sleeper(wq)) wake_up_interruptible_sync_poll(&wq->wait, EPOLLIN | EPOLLPRI | EPOL...
[ 0, 0 ]
Linux Kernel
net/smc/smc_rx.c
static int smc_rx_update_consumer(struct smc_sock *smc, union smc_host_cursor cons, size_t len) { struct smc_connection *conn = &smc->conn; struct sock *sk = &smc->sk; bool force = false; int diff, rc = 0; smc_curs_add(conn->rmb_desc->len, &cons, len); if (conn->urg_state...
[ 0, 0 ]
Linux Kernel
net/smc/smc_stats.c
int smc_nl_get_fback_stats(struct sk_buff *skb, struct netlink_callback *cb) { struct smc_nl_dmp_ctx *cb_ctx = smc_nl_dmp_ctx(cb); struct net *net = sock_net(skb->sk); int rc_srv = 0, rc_clnt = 0, k; int skip_serv = cb_ctx->pos[1]; int snum = cb_ctx->pos[0]; bool is_srv = true; mutex_lock(&net->smc.mute...
[ 1, 0 ]
Linux Kernel
net/smc/smc_sysctl.c
int __net_init smc_sysctl_net_init(struct net *net) { struct ctl_table *table; table = smc_table; if (!net_eq(net, &init_net)) { int i; table = kmemdup(table, sizeof(smc_table), GFP_KERNEL); if (!table) goto err_alloc; for (i = 0; i < ARRAY_SIZE(smc_table) - 1; i++) table[i].data +...
[ 1, 0 ]
Linux Kernel
net/smc/smc_sysctl.h
static inline int smc_sysctl_net_init(struct net *net) { net->smc.sysctl_autocorking_size = SMC_AUTOCORKING_DEFAULT_SIZE; return 0; }
[ 0, 0 ]
Linux Kernel
net/smc/smc_tx.c
static bool smc_tx_should_cork(struct smc_sock *smc, struct msghdr *msg) { struct smc_connection *conn = &smc->conn; if (smc_should_autocork(smc)) return true; if ((msg->msg_flags & MSG_MORE || smc_tx_is_corked(smc) || msg->msg_flags & MSG_SENDPAGE_NOTLAST) && atomic_read(&conn->sndbuf_space)) ...
[ 0, 0 ]
Linux Kernel
net/smc/smc_tx.c
void smc_tx_consumer_update(struct smc_connection *conn, bool force) { union smc_host_cursor cfed, cons, prod; int sender_free = conn->rmb_desc->len; int to_confirm; smc_curs_copy(&cons, &conn->local_tx_ctrl.cons, conn); smc_curs_copy(&cfed, &conn->rx_curs_confirmed, conn); to_confirm = smc_curs_diff(conn...
[ 1, 0 ]
Linux Kernel
net/smc/smc_wr.c
void smc_wr_tx_wait_no_pending_sends(struct smc_link *link) { wait_event(link->wr_tx_wait, !smc_wr_is_tx_pend(link)); }
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.c
int smc_wr_tx_get_free_slot(struct smc_link *link, smc_wr_tx_handler handler, struct smc_wr_buf **wr_buf, struct smc_rdma_wr **wr_rdma_buf, struct smc_wr_tx_pend_priv **wr_pend_priv) { struct smc_link_group *lgr = smc_get_lgr(link); ...
[ 1, 0 ]
Linux Kernel
net/smc/smc_wr.c
int smc_wr_tx_send(struct smc_link *link, struct smc_wr_tx_pend_priv *priv) { struct smc_wr_tx_pend *pend; int rc; ib_req_notify_cq(link->smcibdev->roce_cq_send, IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS); pend = container_of(priv, struct smc_wr_tx_pend, priv); rc = ib_post_send(link->r...
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.c
int smc_wr_tx_v2_send(struct smc_link *link, struct smc_wr_tx_pend_priv *priv, int len) { int rc; link->wr_tx_v2_ib->sg_list[0].length = len; ib_req_notify_cq(link->smcibdev->roce_cq_send, IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS); rc = ib_post_send(link->roce_qp, ...
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.c
static inline void smc_wr_rx_process_cqes(struct ib_wc wc[], int num) { struct smc_link *link; int i; for (i = 0; i < num; i++) { link = wc[i].qp->qp_context; link->wr_rx_id_compl = wc[i].wr_id; if (wc[i].status == IB_WC_SUCCESS) { link->wr_rx_tstamp = jiffies; smc_wr_rx_demultiplex(&wc[i...
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.c
int smc_wr_rx_post_init(struct smc_link *link) { u32 i; int rc = 0; for (i = 0; i < link->wr_rx_cnt; i++) rc = smc_wr_rx_post(link); return rc; }
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.c
void smc_wr_free_lgr_mem(struct smc_link_group *lgr) { if (lgr->smc_version < SMC_V2) return; kfree(lgr->wr_rx_buf_v2); lgr->wr_rx_buf_v2 = NULL; kfree(lgr->wr_tx_buf_v2); lgr->wr_tx_buf_v2 = NULL; }
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.c
void smc_wr_remove_dev(struct smc_ib_device *smcibdev) { tasklet_kill(&smcibdev->recv_tasklet); tasklet_kill(&smcibdev->send_tasklet); }
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.h
static inline void smc_wr_tx_link_put(struct smc_link *link) { if (atomic_dec_and_test(&link->wr_tx_refcnt)) wake_up_all(&link->wr_tx_wait); }
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.h
static inline void smc_wr_wakeup_tx_wait(struct smc_link *lnk) { wake_up_all(&lnk->wr_tx_wait); }
[ 0, 0 ]
Linux Kernel
net/smc/smc_wr.h
static inline int smc_wr_rx_post(struct smc_link *link) { int rc; u64 wr_id, temp_wr_id; u32 index; wr_id = ++link->wr_rx_id; temp_wr_id = wr_id; index = do_div(temp_wr_id, link->wr_rx_cnt); link->wr_rx_ibs[index].wr_id = wr_id; rc = ib_post_recv(link->roce_qp, &link->wr_rx_ibs[index], NULL); return ...
[ 1, 0 ]
Linux Kernel
net/socket.c
static void sock_show_fdinfo(struct seq_file *m, struct file *f) { struct socket *sock = f->private_data; if (sock->ops->show_fdinfo) sock->ops->show_fdinfo(m, sock); } #else #define sock_show_fdinfo NULL #endif
[ 0, 0 ]
Linux Kernel
net/socket.c
static struct inode *sock_alloc_inode(struct super_block *sb) { struct socket_alloc *ei; ei = alloc_inode_sb(sb, sock_inode_cachep, GFP_KERNEL); if (!ei) return NULL; init_waitqueue_head(&ei->socket.wq.wait); ei->socket.wq.fasync_list = NULL; ei->socket.wq.flags = 0; ei->socket.state = SS_UNCONNECT...
[ 0, 0 ]
Linux Kernel
net/socket.c
static void sock_free_inode(struct inode *inode) { struct socket_alloc *ei; ei = container_of(inode, struct socket_alloc, vfs_inode); kmem_cache_free(sock_inode_cachep, ei); }
[ 0, 0 ]
Linux Kernel
net/socket.c
static void init_once(void *foo) { struct socket_alloc *ei = (struct socket_alloc *)foo; inode_init_once(&ei->vfs_inode); }
[ 0, 0 ]
Linux Kernel
net/socket.c
static char *sockfs_dname(struct dentry *dentry, char *buffer, int buflen) { return dynamic_dname(buffer, buflen, "socket:[%lu]", d_inode(dentry)->i_ino); }
[ 0, 0 ]
Linux Kernel
net/socket.c
static int sockfs_xattr_get(const struct xattr_handler *handler, struct dentry *dentry, struct inode *inode, const char *suffix, void *value, size_t size) { if (value) { if (dentry->d_name.len + 1 > size) return -ERANGE; memcpy(value, dentry->d_na...
[ 1, 0 ]
Linux Kernel
net/socket.c
struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname) { struct file *file; if (!dname) dname = sock->sk ? sock->sk->sk_prot_creator->name : ""; file = alloc_file_pseudo(SOCK_INODE(sock), sock_mnt, dname, O_RDWR | (flags & O_NO...
[ 1, 0 ]
Linux Kernel
net/socket.c
static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer, size_t size) { ssize_t len; ssize_t used = 0; len = security_inode_listsecurity(d_inode(dentry), buffer, size); if (len < 0) return len; used += len; if (buffer) { if (size < used) return -ER...
[ 1, 0 ]
Linux Kernel
net/socket.c
static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg) { int ret = INDIRECT_CALL_INET(sock->ops->sendmsg, inet6_sendmsg, inet_sendmsg, sock, msg, msg_data_left(msg)); BUG_ON(ret == -EIOCBQUEUED); return ret; }
[ 0, 0 ]
Linux Kernel
net/socket.c
static ktime_t get_timestamp(struct sock *sk, struct sk_buff *skb, int *if_index) { bool cycles = sk->sk_tsflags & SOF_TIMESTAMPING_BIND_PHC; struct skb_shared_hwtstamps *shhwtstamps = skb_hwtstamps(skb); struct net_device *orig_dev; ktime_t hwtstamp; rcu_read_lock(); orig_dev...
[ 0, 0 ]
Linux Kernel
net/socket.c
static void put_ts_pktinfo(struct msghdr *msg, struct sk_buff *skb, int if_index) { struct scm_ts_pktinfo ts_pktinfo; struct net_device *orig_dev; if (!skb_mac_header_was_set(skb)) return; memset(&ts_pktinfo, 0, sizeof(ts_pktinfo)); if (!if_index) { rcu_read_lock(); ...
[ 1, 0 ]
Linux Kernel
net/socket.c
static inline void sock_recv_drops(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) { if (sock_flag(sk, SOCK_RXQ_OVFL) && skb && SOCK_SKB_CB(skb)->dropcount) put_cmsg(msg, SOL_SOCKET, SO_RXQ_OVFL, sizeof(__u32), &SOCK_SKB_CB(skb)->dropcount); }
[ 1, 0 ]
Linux Kernel
net/socket.c
static inline int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg, int flags) { return INDIRECT_CALL_INET(sock->ops->recvmsg, inet6_recvmsg, inet_recvmsg, sock, msg, msg_data_left(msg), flags); }
[ 0, 0 ]
Linux Kernel
net/socket.c
static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from) { struct file *file = iocb->ki_filp; struct socket *sock = file->private_data; struct msghdr msg = {.msg_iter = *from, .msg_iocb = iocb}; ssize_t res; if (iocb->ki_pos != 0) return -ESPIPE; if (file->f_flags & O_NONBLOCK || (io...
[ 1, 0 ]
Linux Kernel
net/socket.c
static long sock_do_ioctl(struct net *net, struct socket *sock, unsigned int cmd, unsigned long arg) { struct ifreq ifr; bool need_copyout; int err; void __user *argp = (void __user *)arg; void __user *data; err = sock->ops->ioctl(sock, cmd, arg); if (err != -ENOIOCTLCMD) r...
[ 1, 0 ]
Linux Kernel
net/socket.c
static int sock_mmap(struct file *file, struct vm_area_struct *vma) { struct socket *sock = file->private_data; return sock->ops->mmap(file, sock, vma); }
[ 0, 0 ]
Linux Kernel
net/socket.c
static struct socket *__sys_socket_create(int family, int type, int protocol) { struct socket *sock; int retval; BUILD_BUG_ON(SOCK_CLOEXEC != O_CLOEXEC); BUILD_BUG_ON((SOCK_MAX | SOCK_TYPE_MASK) != SOCK_TYPE_MASK); BUILD_BUG_ON(SOCK_CLOEXEC & SOCK_TYPE_MASK); BUILD_BUG_ON(SOCK_NONBLOCK & SOCK_TYPE_MASK); ...
[ 1, 0 ]
Linux Kernel
net/socket.c
int __sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen) { struct socket *sock; struct sockaddr_storage address; int err, fput_needed; sock = sockfd_lookup_light(fd, &err, &fput_needed); if (sock) { err = move_addr_to_kernel(umyaddr, addrlen, &address); if (!err) { err = security_so...
[ 0, 0 ]
Linux Kernel
net/socket.c
int __sys_listen(int fd, int backlog) { struct socket *sock; int err, fput_needed; int somaxconn; sock = sockfd_lookup_light(fd, &err, &fput_needed); if (sock) { somaxconn = READ_ONCE(sock_net(sock->sk)->core.sysctl_somaxconn); if ((unsigned int)backlog > somaxconn) backlog = somaxconn; er...
[ 0, 0 ]
Linux Kernel
net/socket.c
static int __sys_accept4_file(struct file *file, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags) { struct file *newfile; int newfd; if (flags & ~(SOCK_CLOEXEC | SOCK_NONBLOCK)) return -EINVAL; if (SOCK_NONBLOCK != O...
[ 1, 0 ]
Linux Kernel
net/socket.c
int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags) { int ret = -EBADF; struct fd f; f = fdget(fd); if (f.file) { ret = __sys_accept4_file(f.file, upeer_sockaddr, upeer_addrlen, flags); fdput(f); } return ret; }
[ 0, 0 ]
Linux Kernel
net/socket.c
int __sys_getsockname(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len) { struct socket *sock; struct sockaddr_storage address; int err, fput_needed; sock = sockfd_lookup_light(fd, &err, &fput_needed); if (!sock) goto out; err = security_socket_getsockname(soc...
[ 0, 0 ]
Linux Kernel
net/socket.c
int __sys_sendto(int fd, void __user *buff, size_t len, unsigned int flags, struct sockaddr __user *addr, int addr_len) { struct socket *sock; struct sockaddr_storage address; int err; struct msghdr msg; struct iovec iov; int fput_needed; err = import_single_range(ITER_SOURCE, buff, len,...
[ 1, 0 ]
Linux Kernel
net/socket.c
int __sys_shutdown_sock(struct socket *sock, int how) { int err; err = security_socket_shutdown(sock, how); if (!err) err = sock->ops->shutdown(sock, how); return err; }
[ 0, 0 ]
Linux Kernel
net/socket.c
int sendmsg_copy_msghdr(struct msghdr *msg, struct user_msghdr __user *umsg, unsigned flags, struct iovec **iov) { int err; if (flags & MSG_CMSG_COMPAT) { struct compat_msghdr __user *msg_compat; msg_compat = (struct compat_msghdr __user *)umsg; err = get_compat_msghdr(msg, ms...
[ 0, 0 ]
Linux Kernel
net/socket.c
bool sock_is_registered(int family) { return family < NPROTO && rcu_access_pointer(net_families[family]); }
[ 0, 0 ]
Linux Kernel
net/socket.c
static int __init sock_init(void) { int err; err = net_sysctl_init(); if (err) goto out; /* * Initialize skbuff SLAB cache */ skb_init(); /* * Initialize the protocols module. */ init_inodecache(); err = register_filesystem(&sock_fs_type); if (err) goto out; sock_m...
[ 0, 0 ]
Linux Kernel
net/socket.c
int get_user_ifreq(struct ifreq *ifr, void __user **ifrdata, void __user *arg) { if (in_compat_syscall()) { struct compat_ifreq *ifr32 = (struct compat_ifreq *)ifr; memset(ifr, 0, sizeof(*ifr)); if (copy_from_user(ifr32, arg, sizeof(*ifr32))) return -EFAULT; if (ifrdata) *ifrdata = compa...
[ 1, 0 ]
Linux Kernel
net/socket.c
int kernel_listen(struct socket *sock, int backlog) { return sock->ops->listen(sock, backlog); }
[ 0, 0 ]
Linux Kernel
net/socket.c
int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen, int flags) { return sock->ops->connect(sock, addr, addrlen, flags); }
[ 0, 0 ]
Linux Kernel
net/socket.c
int kernel_getsockname(struct socket *sock, struct sockaddr *addr) { return sock->ops->getname(sock, addr, 0); }
[ 0, 0 ]
Linux Kernel
net/socket.c
int kernel_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags) { if (sock->ops->sendpage) { WARN_ONCE(!sendpage_ok(page), "improper page for zero-copy send"); return sock->ops->sendpage(sock, page, offset, size, flags); } return sock_no_sendpage(sock, ...
[ 0, 0 ]
Linux Kernel
net/strparser/strparser.c
static inline struct _strp_msg *_strp_msg(struct sk_buff *skb) { return (struct _strp_msg *)((void *)skb->cb + offsetof(struct sk_skb_cb, strp)); }
[ 0, 0 ]
Linux Kernel
net/strparser/strparser.c
static int strp_recv(read_descriptor_t *desc, struct sk_buff *orig_skb, unsigned int orig_offset, size_t orig_len) { struct strparser *strp = (struct strparser *)desc->arg.data; return __strp_recv(desc, orig_skb, orig_offset, orig_len, strp->sk->sk_rcvbuf, strp->sk->sk_rc...
[ 1, 0 ]
Linux Kernel
net/strparser/strparser.c
static void strp_sock_unlock(struct strparser *strp) { release_sock(strp->sk); }
[ 0, 0 ]
Linux Kernel
net/strparser/strparser.c
void strp_unpause(struct strparser *strp) { strp->paused = 0; smp_mb(); queue_work(strp_wq, &strp->work); }
[ 0, 0 ]
Linux Kernel
net/strparser/strparser.c
void strp_check_rcv(struct strparser *strp) { queue_work(strp_wq, &strp->work); }
[ 0, 0 ]
Linux Kernel
net/sunrpc/addr.c
static size_t rpc_pton4(const char *buf, const size_t buflen, struct sockaddr *sap, const size_t salen) { struct sockaddr_in *sin = (struct sockaddr_in *)sap; u8 *addr = (u8 *)&sin->sin_addr.s_addr; if (buflen > INET_ADDRSTRLEN || salen < sizeof(struct sockaddr_in)) return 0; mems...
[ 1, 0 ]