/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. * Copyright (c) 2005 Mellanox Technologies. All rights reserved. * Copyright (c) 2004, 2005 Voltaire, Inc. 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 <linux/delay.h> #include <linux/moduleparam.h> #include <linux/dma-mapping.h> #include <linux/slab.h> #include <linux/ip.h> #include <linux/tcp.h> #include <rdma/ib_cache.h> #include "ipoib.h" #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA static int data_debug_level; module_param(data_debug_level, int, 0644); MODULE_PARM_DESC(…) …; #endif struct ipoib_ah *ipoib_create_ah(struct net_device *dev, struct ib_pd *pd, struct rdma_ah_attr *attr) { … } void ipoib_free_ah(struct kref *kref) { … } static void ipoib_ud_dma_unmap_rx(struct ipoib_dev_priv *priv, u64 mapping[IPOIB_UD_RX_SG]) { … } static int ipoib_ib_post_receive(struct net_device *dev, int id) { … } static struct sk_buff *ipoib_alloc_rx_skb(struct net_device *dev, int id) { … } static int ipoib_ib_post_receives(struct net_device *dev) { … } static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) { … } int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req) { … } void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, struct ipoib_tx_buf *tx_req) { … } /* * As the result of a completion error the QP Can be transferred to SQE states. * The function checks if the (send)QP is in SQE state and * moves it back to RTS state, that in order to have it functional again. */ static void ipoib_qp_state_validate_work(struct work_struct *work) { … } static void ipoib_ib_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) { … } static int poll_tx(struct ipoib_dev_priv *priv) { … } int ipoib_rx_poll(struct napi_struct *napi, int budget) { … } int ipoib_tx_poll(struct napi_struct *napi, int budget) { … } void ipoib_ib_rx_completion(struct ib_cq *cq, void *ctx_ptr) { … } /* The function will force napi_schedule */ void ipoib_napi_schedule_work(struct work_struct *work) { … } void ipoib_ib_tx_completion(struct ib_cq *cq, void *ctx_ptr) { … } static inline int post_send(struct ipoib_dev_priv *priv, unsigned int wr_id, struct ib_ah *address, u32 dqpn, struct ipoib_tx_buf *tx_req, void *head, int hlen) { … } int ipoib_send(struct net_device *dev, struct sk_buff *skb, struct ib_ah *address, u32 dqpn) { … } static void ipoib_reap_dead_ahs(struct ipoib_dev_priv *priv) { … } void ipoib_reap_ah(struct work_struct *work) { … } static void ipoib_start_ah_reaper(struct ipoib_dev_priv *priv) { … } static void ipoib_stop_ah_reaper(struct ipoib_dev_priv *priv) { … } static int recvs_pending(struct net_device *dev) { … } static void check_qp_movement_and_print(struct ipoib_dev_priv *priv, struct ib_qp *qp, enum ib_qp_state new_state) { … } static void ipoib_napi_enable(struct net_device *dev) { … } static void ipoib_napi_disable(struct net_device *dev) { … } int ipoib_ib_dev_stop_default(struct net_device *dev) { … } int ipoib_ib_dev_open_default(struct net_device *dev) { … } int ipoib_ib_dev_open(struct net_device *dev) { … } void ipoib_ib_dev_stop(struct net_device *dev) { … } void ipoib_pkey_dev_check_presence(struct net_device *dev) { … } void ipoib_ib_dev_up(struct net_device *dev) { … } void ipoib_ib_dev_down(struct net_device *dev) { … } void ipoib_drain_cq(struct net_device *dev) { … } /* * Takes whatever value which is in pkey index 0 and updates priv->pkey * returns 0 if the pkey value was changed. */ static inline int update_parent_pkey(struct ipoib_dev_priv *priv) { … } /* * returns 0 if pkey value was found in a different slot. */ static inline int update_child_pkey(struct ipoib_dev_priv *priv) { … } /* * returns true if the device address of the ipoib interface has changed and the * new address is a valid one (i.e in the gid table), return false otherwise. */ static bool ipoib_dev_addr_changed_valid(struct ipoib_dev_priv *priv) { … } static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, enum ipoib_flush_level level, int nesting) { … } void ipoib_ib_dev_flush_light(struct work_struct *work) { … } void ipoib_ib_dev_flush_normal(struct work_struct *work) { … } void ipoib_ib_dev_flush_heavy(struct work_struct *work) { … } void ipoib_ib_dev_cleanup(struct net_device *dev) { … }
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