/* * Copyright (c) 2007 Cisco Systems, 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 <rdma/ib_mad.h> #include <rdma/ib_smi.h> #include <rdma/ib_sa.h> #include <rdma/ib_cache.h> #include <linux/random.h> #include <linux/mlx4/cmd.h> #include <linux/gfp.h> #include <rdma/ib_pma.h> #include <linux/ip.h> #include <net/ipv6.h> #include <linux/mlx4/driver.h> #include "mlx4_ib.h" enum { … }; #define MLX4_TUN_SEND_WRID_SHIFT … #define MLX4_TUN_QPN_SHIFT … #define MLX4_TUN_WRID_RECV … #define MLX4_TUN_SET_WRID_QPN(a) … #define MLX4_TUN_IS_RECV(a) … #define MLX4_TUN_WRID_QPN(a) … /* Port mgmt change event handling */ #define GET_BLK_PTR_FROM_EQE(eqe) … #define GET_MASK_FROM_EQE(eqe) … #define NUM_IDX_IN_PKEY_TBL_BLK … #define GUID_TBL_ENTRY_SIZE … #define GUID_TBL_BLK_NUM_ENTRIES … #define GUID_TBL_BLK_SIZE … struct mlx4_mad_rcv_buf { … } __packed; struct mlx4_mad_snd_buf { … } __packed; struct mlx4_tunnel_mad { … } __packed; struct mlx4_rcv_tunnel_mad { … } __packed; static void handle_client_rereg_event(struct mlx4_ib_dev *dev, u32 port_num); static void handle_lid_change_event(struct mlx4_ib_dev *dev, u32 port_num); static void __propagate_pkey_ev(struct mlx4_ib_dev *dev, int port_num, int block, u32 change_bitmap); __be64 mlx4_ib_gen_node_guid(void) { … } __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx) { … } int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const void *in_mad, void *response_mad) { … } static void update_sm_ah(struct mlx4_ib_dev *dev, u32 port_num, u16 lid, u8 sl) { … } /* * Snoop SM MADs for port info, GUID info, and P_Key table sets, so we can * synthesize LID change, Client-Rereg, GID change, and P_Key change events. */ static void smp_snoop(struct ib_device *ibdev, u32 port_num, const struct ib_mad *mad, u16 prev_lid) { … } static void __propagate_pkey_ev(struct mlx4_ib_dev *dev, int port_num, int block, u32 change_bitmap) { … } static void node_desc_override(struct ib_device *dev, struct ib_mad *mad) { … } static void forward_trap(struct mlx4_ib_dev *dev, u32 port_num, const struct ib_mad *mad) { … } static int mlx4_ib_demux_sa_handler(struct ib_device *ibdev, int port, int slave, struct ib_sa_mad *sa_mad) { … } int mlx4_ib_find_real_gid(struct ib_device *ibdev, u32 port, __be64 guid) { … } static int find_slave_port_pkey_ix(struct mlx4_ib_dev *dev, int slave, u32 port, u16 pkey, u16 *ix) { … } static int get_gids_from_l3_hdr(struct ib_grh *grh, union ib_gid *sgid, union ib_gid *dgid) { … } static int is_proxy_qp0(struct mlx4_ib_dev *dev, int qpn, int slave) { … } int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u32 port, enum ib_qp_type dest_qpt, struct ib_wc *wc, struct ib_grh *grh, struct ib_mad *mad) { … } static int mlx4_ib_demux_mad(struct ib_device *ibdev, u32 port, struct ib_wc *wc, struct ib_grh *grh, struct ib_mad *mad) { … } static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const struct ib_mad *in_mad, struct ib_mad *out_mad) { … } static void edit_counter(struct mlx4_counter *cnt, void *counters, __be16 attr_id) { … } static int iboe_process_mad_port_info(void *out_mad) { … } static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const struct ib_mad *in_mad, struct ib_mad *out_mad) { … } int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const struct ib_mad *in, struct ib_mad *out, size_t *out_mad_size, u16 *out_mad_pkey_index) { … } static void send_handler(struct ib_mad_agent *agent, struct ib_mad_send_wc *mad_send_wc) { … } int mlx4_ib_mad_init(struct mlx4_ib_dev *dev) { … } void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev) { … } static void handle_lid_change_event(struct mlx4_ib_dev *dev, u32 port_num) { … } static void handle_client_rereg_event(struct mlx4_ib_dev *dev, u32 port_num) { … } static void propagate_pkey_ev(struct mlx4_ib_dev *dev, int port_num, struct mlx4_eqe *eqe) { … } static void handle_slaves_guid_change(struct mlx4_ib_dev *dev, u32 port_num, u32 guid_tbl_blk_num, u32 change_bitmap) { … } void handle_port_mgmt_change_event(struct work_struct *work) { … } void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u32 port_num, enum ib_event_type type) { … } static void mlx4_ib_tunnel_comp_handler(struct ib_cq *cq, void *arg) { … } static void mlx4_ib_wire_comp_handler(struct ib_cq *cq, void *arg) { … } static int mlx4_ib_post_pv_qp_buf(struct mlx4_ib_demux_pv_ctx *ctx, struct mlx4_ib_demux_pv_qp *tun_qp, int index) { … } static int mlx4_ib_multiplex_sa_handler(struct ib_device *ibdev, int port, int slave, struct ib_sa_mad *sa_mad) { … } int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u32 port, enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn, u32 qkey, struct rdma_ah_attr *attr, u8 *s_mac, u16 vlan_id, struct ib_mad *mad) { … } static int get_slave_base_gid_ix(struct mlx4_ib_dev *dev, int slave, int port) { … } static void fill_in_real_sgid_index(struct mlx4_ib_dev *dev, int slave, int port, struct rdma_ah_attr *ah_attr) { … } static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc *wc) { … } static int mlx4_ib_alloc_pv_bufs(struct mlx4_ib_demux_pv_ctx *ctx, enum ib_qp_type qp_type, int is_tun) { … } static void mlx4_ib_free_pv_qp_bufs(struct mlx4_ib_demux_pv_ctx *ctx, enum ib_qp_type qp_type, int is_tun) { … } static void mlx4_ib_tunnel_comp_worker(struct work_struct *work) { … } static void pv_qp_event_handler(struct ib_event *event, void *qp_context) { … } static int create_pv_sqp(struct mlx4_ib_demux_pv_ctx *ctx, enum ib_qp_type qp_type, int create_tun) { … } /* * IB MAD completion callback for real SQPs */ static void mlx4_ib_sqp_comp_worker(struct work_struct *work) { … } static int alloc_pv_object(struct mlx4_ib_dev *dev, int slave, int port, struct mlx4_ib_demux_pv_ctx **ret_ctx) { … } static void free_pv_object(struct mlx4_ib_dev *dev, int slave, int port) { … } static int create_pv_resources(struct ib_device *ibdev, int slave, int port, int create_tun, struct mlx4_ib_demux_pv_ctx *ctx) { … } static void destroy_pv_resources(struct mlx4_ib_dev *dev, int slave, int port, struct mlx4_ib_demux_pv_ctx *ctx, int flush) { … } static int mlx4_ib_tunnels_update(struct mlx4_ib_dev *dev, int slave, int port, int do_init) { … } void mlx4_ib_tunnels_update_work(struct work_struct *work) { … } static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev, struct mlx4_ib_demux_ctx *ctx, int port) { … } static void mlx4_ib_free_sqp_ctx(struct mlx4_ib_demux_pv_ctx *sqp_ctx) { … } static void mlx4_ib_free_demux_ctx(struct mlx4_ib_demux_ctx *ctx) { … } static void mlx4_ib_master_tunnels(struct mlx4_ib_dev *dev, int do_init) { … } int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev) { … } void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev) { … }
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