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path: root/drivers/infiniband/hw/i40iw/i40iw_hw.c
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Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_hw.c')
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_hw.c851
1 files changed, 0 insertions, 851 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_hw.c b/drivers/infiniband/hw/i40iw/i40iw_hw.c
deleted file mode 100644
index d167ac10c751..000000000000
--- a/drivers/infiniband/hw/i40iw/i40iw_hw.c
+++ /dev/null
@@ -1,851 +0,0 @@
-/*******************************************************************************
-*
-* Copyright (c) 2015-2016 Intel Corporation. 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
-* OpenFabrics.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/module.h>
-#include <linux/moduleparam.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/if_vlan.h>
-
-#include "i40iw.h"
-
-/**
- * i40iw_initialize_hw_resources - initialize hw resource during open
- * @iwdev: iwarp device
- */
-u32 i40iw_initialize_hw_resources(struct i40iw_device *iwdev)
-{
- unsigned long num_pds;
- u32 resources_size;
- u32 max_mr;
- u32 max_qp;
- u32 max_cq;
- u32 arp_table_size;
- u32 mrdrvbits;
- void *resource_ptr;
-
- max_qp = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_QP].cnt;
- max_cq = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt;
- max_mr = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_MR].cnt;
- arp_table_size = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_ARP].cnt;
- iwdev->max_cqe = 0xFFFFF;
- num_pds = I40IW_MAX_PDS;
- resources_size = sizeof(struct i40iw_arp_entry) * arp_table_size;
- resources_size += sizeof(unsigned long) * BITS_TO_LONGS(max_qp);
- resources_size += sizeof(unsigned long) * BITS_TO_LONGS(max_mr);
- resources_size += sizeof(unsigned long) * BITS_TO_LONGS(max_cq);
- resources_size += sizeof(unsigned long) * BITS_TO_LONGS(num_pds);
- resources_size += sizeof(unsigned long) * BITS_TO_LONGS(arp_table_size);
- resources_size += sizeof(struct i40iw_qp **) * max_qp;
- iwdev->mem_resources = kzalloc(resources_size, GFP_KERNEL);
-
- if (!iwdev->mem_resources)
- return -ENOMEM;
-
- iwdev->max_qp = max_qp;
- iwdev->max_mr = max_mr;
- iwdev->max_cq = max_cq;
- iwdev->max_pd = num_pds;
- iwdev->arp_table_size = arp_table_size;
- iwdev->arp_table = (struct i40iw_arp_entry *)iwdev->mem_resources;
- resource_ptr = iwdev->mem_resources + (sizeof(struct i40iw_arp_entry) * arp_table_size);
-
- iwdev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY |
- IB_DEVICE_MEM_WINDOW | IB_DEVICE_MEM_MGT_EXTENSIONS;
-
- iwdev->allocated_qps = resource_ptr;
- iwdev->allocated_cqs = &iwdev->allocated_qps[BITS_TO_LONGS(max_qp)];
- iwdev->allocated_mrs = &iwdev->allocated_cqs[BITS_TO_LONGS(max_cq)];
- iwdev->allocated_pds = &iwdev->allocated_mrs[BITS_TO_LONGS(max_mr)];
- iwdev->allocated_arps = &iwdev->allocated_pds[BITS_TO_LONGS(num_pds)];
- iwdev->qp_table = (struct i40iw_qp **)(&iwdev->allocated_arps[BITS_TO_LONGS(arp_table_size)]);
- set_bit(0, iwdev->allocated_mrs);
- set_bit(0, iwdev->allocated_qps);
- set_bit(0, iwdev->allocated_cqs);
- set_bit(0, iwdev->allocated_pds);
- set_bit(0, iwdev->allocated_arps);
-
- /* Following for ILQ/IEQ */
- set_bit(1, iwdev->allocated_qps);
- set_bit(1, iwdev->allocated_cqs);
- set_bit(1, iwdev->allocated_pds);
- set_bit(2, iwdev->allocated_cqs);
- set_bit(2, iwdev->allocated_pds);
-
- spin_lock_init(&iwdev->resource_lock);
- spin_lock_init(&iwdev->qptable_lock);
- /* stag index mask has a minimum of 14 bits */
- mrdrvbits = 24 - max(get_count_order(iwdev->max_mr), 14);
- iwdev->mr_stagmask = ~(((1 << mrdrvbits) - 1) << (32 - mrdrvbits));
- return 0;
-}
-
-/**
- * i40iw_cqp_ce_handler - handle cqp completions
- * @iwdev: iwarp device
- * @arm: flag to arm after completions
- * @cq: cq for cqp completions
- */
-static void i40iw_cqp_ce_handler(struct i40iw_device *iwdev, struct i40iw_sc_cq *cq, bool arm)
-{
- struct i40iw_cqp_request *cqp_request;
- struct i40iw_sc_dev *dev = &iwdev->sc_dev;
- u32 cqe_count = 0;
- struct i40iw_ccq_cqe_info info;
- int ret;
-
- do {
- memset(&info, 0, sizeof(info));
- ret = dev->ccq_ops->ccq_get_cqe_info(cq, &info);
- if (ret)
- break;
- cqp_request = (struct i40iw_cqp_request *)(unsigned long)info.scratch;
- if (info.error)
- i40iw_pr_err("opcode = 0x%x maj_err_code = 0x%x min_err_code = 0x%x\n",
- info.op_code, info.maj_err_code, info.min_err_code);
- if (cqp_request) {
- cqp_request->compl_info.maj_err_code = info.maj_err_code;
- cqp_request->compl_info.min_err_code = info.min_err_code;
- cqp_request->compl_info.op_ret_val = info.op_ret_val;
- cqp_request->compl_info.error = info.error;
-
- if (cqp_request->waiting) {
- cqp_request->request_done = true;
- wake_up(&cqp_request->waitq);
- i40iw_put_cqp_request(&iwdev->cqp, cqp_request);
- } else {
- if (cqp_request->callback_fcn)
- cqp_request->callback_fcn(cqp_request, 1);
- i40iw_put_cqp_request(&iwdev->cqp, cqp_request);
- }
- }
-
- cqe_count++;
- } while (1);
-
- if (arm && cqe_count) {
- i40iw_process_bh(dev);
- dev->ccq_ops->ccq_arm(cq);
- }
-}
-
-/**
- * i40iw_iwarp_ce_handler - handle iwarp completions
- * @iwdev: iwarp device
- * @iwcq: iwarp cq receiving event
- */
-static void i40iw_iwarp_ce_handler(struct i40iw_device *iwdev,
- struct i40iw_sc_cq *iwcq)
-{
- struct i40iw_cq *i40iwcq = iwcq->back_cq;
-
- if (i40iwcq->ibcq.comp_handler)
- i40iwcq->ibcq.comp_handler(&i40iwcq->ibcq,
- i40iwcq->ibcq.cq_context);
-}
-
-/**
- * i40iw_puda_ce_handler - handle puda completion events
- * @iwdev: iwarp device
- * @cq: puda completion q for event
- */
-static void i40iw_puda_ce_handler(struct i40iw_device *iwdev,
- struct i40iw_sc_cq *cq)
-{
- struct i40iw_sc_dev *dev = (struct i40iw_sc_dev *)&iwdev->sc_dev;
- enum i40iw_status_code status;
- u32 compl_error;
-
- do {
- status = i40iw_puda_poll_completion(dev, cq, &compl_error);
- if (status == I40IW_ERR_QUEUE_EMPTY)
- break;
- if (status) {
- i40iw_pr_err("puda status = %d\n", status);
- break;
- }
- if (compl_error) {
- i40iw_pr_err("puda compl_err =0x%x\n", compl_error);
- break;
- }
- } while (1);
-
- dev->ccq_ops->ccq_arm(cq);
-}
-
-/**
- * i40iw_process_ceq - handle ceq for completions
- * @iwdev: iwarp device
- * @ceq: ceq having cq for completion
- */
-void i40iw_process_ceq(struct i40iw_device *iwdev, struct i40iw_ceq *ceq)
-{
- struct i40iw_sc_dev *dev = &iwdev->sc_dev;
- struct i40iw_sc_ceq *sc_ceq;
- struct i40iw_sc_cq *cq;
- bool arm = true;
-
- sc_ceq = &ceq->sc_ceq;
- do {
- cq = dev->ceq_ops->process_ceq(dev, sc_ceq);
- if (!cq)
- break;
-
- if (cq->cq_type == I40IW_CQ_TYPE_CQP)
- i40iw_cqp_ce_handler(iwdev, cq, arm);
- else if (cq->cq_type == I40IW_CQ_TYPE_IWARP)
- i40iw_iwarp_ce_handler(iwdev, cq);
- else if ((cq->cq_type == I40IW_CQ_TYPE_ILQ) ||
- (cq->cq_type == I40IW_CQ_TYPE_IEQ))
- i40iw_puda_ce_handler(iwdev, cq);
- } while (1);
-}
-
-/**
- * i40iw_next_iw_state - modify qp state
- * @iwqp: iwarp qp to modify
- * @state: next state for qp
- * @del_hash: del hash
- * @term: term message
- * @termlen: length of term message
- */
-void i40iw_next_iw_state(struct i40iw_qp *iwqp,
- u8 state,
- u8 del_hash,
- u8 term,
- u8 termlen)
-{
- struct i40iw_modify_qp_info info;
-
- memset(&info, 0, sizeof(info));
- info.next_iwarp_state = state;
- info.remove_hash_idx = del_hash;
- info.cq_num_valid = true;
- info.arp_cache_idx_valid = true;
- info.dont_send_term = true;
- info.dont_send_fin = true;
- info.termlen = termlen;
-
- if (term & I40IWQP_TERM_SEND_TERM_ONLY)
- info.dont_send_term = false;
- if (term & I40IWQP_TERM_SEND_FIN_ONLY)
- info.dont_send_fin = false;
- if (iwqp->sc_qp.term_flags && (state == I40IW_QP_STATE_ERROR))
- info.reset_tcp_conn = true;
- iwqp->hw_iwarp_state = state;
- i40iw_hw_modify_qp(iwqp->iwdev, iwqp, &info, 0);
-}
-
-/**
- * i40iw_process_aeq - handle aeq events
- * @iwdev: iwarp device
- */
-void i40iw_process_aeq(struct i40iw_device *iwdev)
-{
- struct i40iw_sc_dev *dev = &iwdev->sc_dev;
- struct i40iw_aeq *aeq = &iwdev->aeq;
- struct i40iw_sc_aeq *sc_aeq = &aeq->sc_aeq;
- struct i40iw_aeqe_info aeinfo;
- struct i40iw_aeqe_info *info = &aeinfo;
- int ret;
- struct i40iw_qp *iwqp = NULL;
- struct i40iw_sc_cq *cq = NULL;
- struct i40iw_cq *iwcq = NULL;
- struct i40iw_sc_qp *qp = NULL;
- struct i40iw_qp_host_ctx_info *ctx_info = NULL;
- unsigned long flags;
-
- u32 aeqcnt = 0;
-
- if (!sc_aeq->size)
- return;
-
- do {
- memset(info, 0, sizeof(*info));
- ret = dev->aeq_ops->get_next_aeqe(sc_aeq, info);
- if (ret)
- break;
-
- aeqcnt++;
- i40iw_debug(dev, I40IW_DEBUG_AEQ,
- "%s ae_id = 0x%x bool qp=%d qp_id = %d\n",
- __func__, info->ae_id, info->qp, info->qp_cq_id);
- if (info->qp) {
- spin_lock_irqsave(&iwdev->qptable_lock, flags);
- iwqp = iwdev->qp_table[info->qp_cq_id];
- if (!iwqp) {
- spin_unlock_irqrestore(&iwdev->qptable_lock, flags);
- i40iw_debug(dev, I40IW_DEBUG_AEQ,
- "%s qp_id %d is already freed\n",
- __func__, info->qp_cq_id);
- continue;
- }
- i40iw_qp_add_ref(&iwqp->ibqp);
- spin_unlock_irqrestore(&iwdev->qptable_lock, flags);
- qp = &iwqp->sc_qp;
- spin_lock_irqsave(&iwqp->lock, flags);
- iwqp->hw_tcp_state = info->tcp_state;
- iwqp->hw_iwarp_state = info->iwarp_state;
- iwqp->last_aeq = info->ae_id;
- spin_unlock_irqrestore(&iwqp->lock, flags);
- ctx_info = &iwqp->ctx_info;
- ctx_info->err_rq_idx_valid = true;
- } else {
- if (info->ae_id != I40IW_AE_CQ_OPERATION_ERROR)
- continue;
- }
-
- switch (info->ae_id) {
- case I40IW_AE_LLP_FIN_RECEIVED:
- if (qp->term_flags)
- break;
- if (atomic_inc_return(&iwqp->close_timer_started) == 1) {
- iwqp->hw_tcp_state = I40IW_TCP_STATE_CLOSE_WAIT;
- if ((iwqp->hw_tcp_state == I40IW_TCP_STATE_CLOSE_WAIT) &&
- (iwqp->ibqp_state == IB_QPS_RTS)) {
- i40iw_next_iw_state(iwqp,
- I40IW_QP_STATE_CLOSING, 0, 0, 0);
- i40iw_cm_disconn(iwqp);
- }
- iwqp->cm_id->add_ref(iwqp->cm_id);
- i40iw_schedule_cm_timer(iwqp->cm_node,
- (struct i40iw_puda_buf *)iwqp,
- I40IW_TIMER_TYPE_CLOSE, 1, 0);
- }
- break;
- case I40IW_AE_LLP_CLOSE_COMPLETE:
- if (qp->term_flags)
- i40iw_terminate_done(qp, 0);
- else
- i40iw_cm_disconn(iwqp);
- break;
- case I40IW_AE_BAD_CLOSE:
- case I40IW_AE_RESET_SENT:
- i40iw_next_iw_state(iwqp, I40IW_QP_STATE_ERROR, 1, 0, 0);
- i40iw_cm_disconn(iwqp);
- break;
- case I40IW_AE_LLP_CONNECTION_RESET:
- if (atomic_read(&iwqp->close_timer_started))
- break;
- i40iw_cm_disconn(iwqp);
- break;
- case I40IW_AE_QP_SUSPEND_COMPLETE:
- i40iw_qp_suspend_resume(dev, &iwqp->sc_qp, false);
- break;
- case I40IW_AE_TERMINATE_SENT:
- i40iw_terminate_send_fin(qp);
- break;
- case I40IW_AE_LLP_TERMINATE_RECEIVED:
- i40iw_terminate_received(qp, info);
- break;
- case I40IW_AE_CQ_OPERATION_ERROR:
- i40iw_pr_err("Processing an iWARP related AE for CQ misc = 0x%04X\n",
- info->ae_id);
- cq = (struct i40iw_sc_cq *)(unsigned long)info->compl_ctx;
- iwcq = (struct i40iw_cq *)cq->back_cq;
-
- if (iwcq->ibcq.event_handler) {
- struct ib_event ibevent;
-
- ibevent.device = iwcq->ibcq.device;
- ibevent.event = IB_EVENT_CQ_ERR;
- ibevent.element.cq = &iwcq->ibcq;
- iwcq->ibcq.event_handler(&ibevent, iwcq->ibcq.cq_context);
- }
- break;
- case I40IW_AE_LLP_DOUBT_REACHABILITY:
- break;
- case I40IW_AE_PRIV_OPERATION_DENIED:
- case I40IW_AE_STAG_ZERO_INVALID:
- case I40IW_AE_IB_RREQ_AND_Q1_FULL:
- case I40IW_AE_DDP_UBE_INVALID_DDP_VERSION:
- case I40IW_AE_DDP_UBE_INVALID_MO:
- case I40IW_AE_DDP_UBE_INVALID_QN:
- case I40IW_AE_DDP_NO_L_BIT:
- case I40IW_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
- case I40IW_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
- case I40IW_AE_ROE_INVALID_RDMA_READ_REQUEST:
- case I40IW_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
- case I40IW_AE_INVALID_ARP_ENTRY:
- case I40IW_AE_INVALID_TCP_OPTION_RCVD:
- case I40IW_AE_STALE_ARP_ENTRY:
- case I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR:
- case I40IW_AE_LLP_SEGMENT_TOO_SMALL:
- case I40IW_AE_LLP_SYN_RECEIVED:
- case I40IW_AE_LLP_TOO_MANY_RETRIES:
- case I40IW_AE_LCE_QP_CATASTROPHIC:
- case I40IW_AE_LCE_FUNCTION_CATASTROPHIC:
- case I40IW_AE_LCE_CQ_CATASTROPHIC:
- case I40IW_AE_UDA_XMIT_DGRAM_TOO_LONG:
- case I40IW_AE_UDA_XMIT_DGRAM_TOO_SHORT:
- ctx_info->err_rq_idx_valid = false;
- fallthrough;
- default:
- if (!info->sq && ctx_info->err_rq_idx_valid) {
- ctx_info->err_rq_idx = info->wqe_idx;
- ctx_info->tcp_info_valid = false;
- ctx_info->iwarp_info_valid = false;
- ret = dev->iw_priv_qp_ops->qp_setctx(&iwqp->sc_qp,
- iwqp->host_ctx.va,
- ctx_info);
- }
- i40iw_terminate_connection(qp, info);
- break;
- }
- if (info->qp)
- i40iw_qp_rem_ref(&iwqp->ibqp);
- } while (1);
-
- if (aeqcnt)
- dev->aeq_ops->repost_aeq_entries(dev, aeqcnt);
-}
-
-/**
- * i40iw_cqp_manage_abvpt_cmd - send cqp command manage abpvt
- * @iwdev: iwarp device
- * @accel_local_port: port for apbvt
- * @add_port: add or delete port
- */
-static enum i40iw_status_code
-i40iw_cqp_manage_abvpt_cmd(struct i40iw_device *iwdev,
- u16 accel_local_port,
- bool add_port)
-{
- struct i40iw_apbvt_info *info;
- struct i40iw_cqp_request *cqp_request;
- struct cqp_commands_info *cqp_info;
- enum i40iw_status_code status;
-
- cqp_request = i40iw_get_cqp_request(&iwdev->cqp, add_port);
- if (!cqp_request)
- return I40IW_ERR_NO_MEMORY;
-
- cqp_info = &cqp_request->info;
- info = &cqp_info->in.u.manage_apbvt_entry.info;
-
- memset(info, 0, sizeof(*info));
- info->add = add_port;
- info->port = cpu_to_le16(accel_local_port);
-
- cqp_info->cqp_cmd = OP_MANAGE_APBVT_ENTRY;
- cqp_info->post_sq = 1;
- cqp_info->in.u.manage_apbvt_entry.cqp = &iwdev->cqp.sc_cqp;
- cqp_info->in.u.manage_apbvt_entry.scratch = (uintptr_t)cqp_request;
- status = i40iw_handle_cqp_op(iwdev, cqp_request);
- if (status)
- i40iw_pr_err("CQP-OP Manage APBVT entry fail");
-
- return status;
-}
-
-/**
- * i40iw_manage_apbvt - add or delete tcp port
- * @iwdev: iwarp device
- * @accel_local_port: port for apbvt
- * @add_port: add or delete port
- */
-enum i40iw_status_code i40iw_manage_apbvt(struct i40iw_device *iwdev,
- u16 accel_local_port,
- bool add_port)
-{
- struct i40iw_cm_core *cm_core = &iwdev->cm_core;
- enum i40iw_status_code status;
- unsigned long flags;
- bool in_use;
-
- /* apbvt_lock is held across CQP delete APBVT OP (non-waiting) to
- * protect against race where add APBVT CQP can race ahead of the delete
- * APBVT for same port.
- */
- if (add_port) {
- spin_lock_irqsave(&cm_core->apbvt_lock, flags);
- in_use = __test_and_set_bit(accel_local_port,
- cm_core->ports_in_use);
- spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
- if (in_use)
- return 0;
- return i40iw_cqp_manage_abvpt_cmd(iwdev, accel_local_port,
- true);
- } else {
- spin_lock_irqsave(&cm_core->apbvt_lock, flags);
- in_use = i40iw_port_in_use(cm_core, accel_local_port);
- if (in_use) {
- spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
- return 0;
- }
- __clear_bit(accel_local_port, cm_core->ports_in_use);
- status = i40iw_cqp_manage_abvpt_cmd(iwdev, accel_local_port,
- false);
- spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
- return status;
- }
-}
-
-/**
- * i40iw_manage_arp_cache - manage hw arp cache
- * @iwdev: iwarp device
- * @mac_addr: mac address ptr
- * @ip_addr: ip addr for arp cache
- * @ipv4: flag indicating IPv4 when true
- * @action: add, delete or modify
- */
-void i40iw_manage_arp_cache(struct i40iw_device *iwdev,
- unsigned char *mac_addr,
- u32 *ip_addr,
- bool ipv4,
- u32 action)
-{
- struct i40iw_add_arp_cache_entry_info *info;
- struct i40iw_cqp_request *cqp_request;
- struct cqp_commands_info *cqp_info;
- int arp_index;
-
- arp_index = i40iw_arp_table(iwdev, ip_addr, ipv4, mac_addr, action);
- if (arp_index < 0)
- return;
- cqp_request = i40iw_get_cqp_request(&iwdev->cqp, false);
- if (!cqp_request)
- return;
-
- cqp_info = &cqp_request->info;
- if (action == I40IW_ARP_ADD) {
- cqp_info->cqp_cmd = OP_ADD_ARP_CACHE_ENTRY;
- info = &cqp_info->in.u.add_arp_cache_entry.info;
- memset(info, 0, sizeof(*info));
- info->arp_index = cpu_to_le16((u16)arp_index);
- info->permanent = true;
- ether_addr_copy(info->mac_addr, mac_addr);
- cqp_info->in.u.add_arp_cache_entry.scratch = (uintptr_t)cqp_request;
- cqp_info->in.u.add_arp_cache_entry.cqp = &iwdev->cqp.sc_cqp;
- } else {
- cqp_info->cqp_cmd = OP_DELETE_ARP_CACHE_ENTRY;
- cqp_info->in.u.del_arp_cache_entry.scratch = (uintptr_t)cqp_request;
- cqp_info->in.u.del_arp_cache_entry.cqp = &iwdev->cqp.sc_cqp;
- cqp_info->in.u.del_arp_cache_entry.arp_index = arp_index;
- }
-
- cqp_info->in.u.add_arp_cache_entry.cqp = &iwdev->cqp.sc_cqp;
- cqp_info->in.u.add_arp_cache_entry.scratch = (uintptr_t)cqp_request;
- cqp_info->post_sq = 1;
- if (i40iw_handle_cqp_op(iwdev, cqp_request))
- i40iw_pr_err("CQP-OP Add/Del Arp Cache entry fail");
-}
-
-/**
- * i40iw_send_syn_cqp_callback - do syn/ack after qhash
- * @cqp_request: qhash cqp completion
- * @send_ack: flag send ack
- */
-static void i40iw_send_syn_cqp_callback(struct i40iw_cqp_request *cqp_request, u32 send_ack)
-{
- i40iw_send_syn(cqp_request->param, send_ack);
-}
-
-/**
- * i40iw_manage_qhash - add or modify qhash
- * @iwdev: iwarp device
- * @cminfo: cm info for qhash
- * @etype: type (syn or quad)
- * @mtype: type of qhash
- * @cmnode: cmnode associated with connection
- * @wait: wait for completion
- */
-enum i40iw_status_code i40iw_manage_qhash(struct i40iw_device *iwdev,
- struct i40iw_cm_info *cminfo,
- enum i40iw_quad_entry_type etype,
- enum i40iw_quad_hash_manage_type mtype,
- void *cmnode,
- bool wait)
-{
- struct i40iw_qhash_table_info *info;
- struct i40iw_sc_dev *dev = &iwdev->sc_dev;
- struct i40iw_sc_vsi *vsi = &iwdev->vsi;
- enum i40iw_status_code status;
- struct i40iw_cqp *iwcqp = &iwdev->cqp;
- struct i40iw_cqp_request *cqp_request;
- struct cqp_commands_info *cqp_info;
-
- cqp_request = i40iw_get_cqp_request(iwcqp, wait);
- if (!cqp_request)
- return I40IW_ERR_NO_MEMORY;
- cqp_info = &cqp_request->info;
- info = &cqp_info->in.u.manage_qhash_table_entry.info;
- memset(info, 0, sizeof(*info));
-
- info->vsi = &iwdev->vsi;
- info->manage = mtype;
- info->entry_type = etype;
- if (cminfo->vlan_id != 0xFFFF) {
- info->vlan_valid = true;
- info->vlan_id = cpu_to_le16(cminfo->vlan_id);
- } else {
- info->vlan_valid = false;
- }
-
- info->ipv4_valid = cminfo->ipv4;
- info->user_pri = cminfo->user_pri;
- ether_addr_copy(info->mac_addr, iwdev->netdev->dev_addr);
- info->qp_num = cpu_to_le32(vsi->ilq->qp_id);
- info->dest_port = cpu_to_le16(cminfo->loc_port);
- info->dest_ip[0] = cpu_to_le32(cminfo->loc_addr[0]);
- info->dest_ip[1] = cpu_to_le32(cminfo->loc_addr[1]);
- info->dest_ip[2] = cpu_to_le32(cminfo->loc_addr[2]);
- info->dest_ip[3] = cpu_to_le32(cminfo->loc_addr[3]);
- if (etype == I40IW_QHASH_TYPE_TCP_ESTABLISHED) {
- info->src_port = cpu_to_le16(cminfo->rem_port);
- info->src_ip[0] = cpu_to_le32(cminfo->rem_addr[0]);
- info->src_ip[1] = cpu_to_le32(cminfo->rem_addr[1]);
- info->src_ip[2] = cpu_to_le32(cminfo->rem_addr[2]);
- info->src_ip[3] = cpu_to_le32(cminfo->rem_addr[3]);
- }
- if (cmnode) {
- cqp_request->callback_fcn = i40iw_send_syn_cqp_callback;
- cqp_request->param = (void *)cmnode;
- }
-
- if (info->ipv4_valid)
- i40iw_debug(dev, I40IW_DEBUG_CM,
- "%s:%s IP=%pI4, port=%d, mac=%pM, vlan_id=%d\n",
- __func__, (!mtype) ? "DELETE" : "ADD",
- info->dest_ip,
- info->dest_port, info->mac_addr, cminfo->vlan_id);
- else
- i40iw_debug(dev, I40IW_DEBUG_CM,
- "%s:%s IP=%pI6, port=%d, mac=%pM, vlan_id=%d\n",
- __func__, (!mtype) ? "DELETE" : "ADD",
- info->dest_ip,
- info->dest_port, info->mac_addr, cminfo->vlan_id);
- cqp_info->in.u.manage_qhash_table_entry.cqp = &iwdev->cqp.sc_cqp;
- cqp_info->in.u.manage_qhash_table_entry.scratch = (uintptr_t)cqp_request;
- cqp_info->cqp_cmd = OP_MANAGE_QHASH_TABLE_ENTRY;
- cqp_info->post_sq = 1;
- status = i40iw_handle_cqp_op(iwdev, cqp_request);
- if (status)
- i40iw_pr_err("CQP-OP Manage Qhash Entry fail");
- return status;
-}
-
-/**
- * i40iw_hw_flush_wqes - flush qp's wqe
- * @iwdev: iwarp device
- * @qp: hardware control qp
- * @info: info for flush
- * @wait: flag wait for completion
- */
-enum i40iw_status_code i40iw_hw_flush_wqes(struct i40iw_device *iwdev,
- struct i40iw_sc_qp *qp,
- struct i40iw_qp_flush_info *info,
- bool wait)
-{
- enum i40iw_status_code status;
- struct i40iw_qp_flush_info *hw_info;
- struct i40iw_cqp_request *cqp_request;
- struct cqp_commands_info *cqp_info;
- struct i40iw_qp *iwqp = (struct i40iw_qp *)qp->back_qp;
-
- cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait);
- if (!cqp_request)
- return I40IW_ERR_NO_MEMORY;
-
- cqp_info = &cqp_request->info;
- hw_info = &cqp_request->info.in.u.qp_flush_wqes.info;
- memcpy(hw_info, info, sizeof(*hw_info));
-
- cqp_info->cqp_cmd = OP_QP_FLUSH_WQES;
- cqp_info->post_sq = 1;
- cqp_info->in.u.qp_flush_wqes.qp = qp;
- cqp_info->in.u.qp_flush_wqes.scratch = (uintptr_t)cqp_request;
- status = i40iw_handle_cqp_op(iwdev, cqp_request);
- if (status) {
- i40iw_pr_err("CQP-OP Flush WQE's fail");
- complete(&iwqp->sq_drained);
- complete(&iwqp->rq_drained);
- return status;
- }
- if (!cqp_request->compl_info.maj_err_code) {
- switch (cqp_request->compl_info.min_err_code) {
- case I40IW_CQP_COMPL_RQ_WQE_FLUSHED:
- complete(&iwqp->sq_drained);
- break;
- case I40IW_CQP_COMPL_SQ_WQE_FLUSHED:
- complete(&iwqp->rq_drained);
- break;
- case I40IW_CQP_COMPL_RQ_SQ_WQE_FLUSHED:
- break;
- default:
- complete(&iwqp->sq_drained);
- complete(&iwqp->rq_drained);
- break;
- }
- }
-
- return 0;
-}
-
-/**
- * i40iw_gen_ae - generate AE
- * @iwdev: iwarp device
- * @qp: qp associated with AE
- * @info: info for ae
- * @wait: wait for completion
- */
-void i40iw_gen_ae(struct i40iw_device *iwdev,
- struct i40iw_sc_qp *qp,
- struct i40iw_gen_ae_info *info,
- bool wait)
-{
- struct i40iw_gen_ae_info *ae_info;
- struct i40iw_cqp_request *cqp_request;
- struct cqp_commands_info *cqp_info;
-
- cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait);
- if (!cqp_request)
- return;
-
- cqp_info = &cqp_request->info;
- ae_info = &cqp_request->info.in.u.gen_ae.info;
- memcpy(ae_info, info, sizeof(*ae_info));
-
- cqp_info->cqp_cmd = OP_GEN_AE;
- cqp_info->post_sq = 1;
- cqp_info->in.u.gen_ae.qp = qp;
- cqp_info->in.u.gen_ae.scratch = (uintptr_t)cqp_request;
- if (i40iw_handle_cqp_op(iwdev, cqp_request))
- i40iw_pr_err("CQP OP failed attempting to generate ae_code=0x%x\n",
- info->ae_code);
-}
-
-/**
- * i40iw_hw_manage_vf_pble_bp - manage vf pbles
- * @iwdev: iwarp device
- * @info: info for managing pble
- * @wait: flag wait for completion
- */
-enum i40iw_status_code i40iw_hw_manage_vf_pble_bp(struct i40iw_device *iwdev,
- struct i40iw_manage_vf_pble_info *info,
- bool wait)
-{
- enum i40iw_status_code status;
- struct i40iw_manage_vf_pble_info *hw_info;
- struct i40iw_cqp_request *cqp_request;
- struct cqp_commands_info *cqp_info;
-
- if ((iwdev->init_state < CCQ_CREATED) && wait)
- wait = false;
-
- cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait);
- if (!cqp_request)
- return I40IW_ERR_NO_MEMORY;
-
- cqp_info = &cqp_request->info;
- hw_info = &cqp_request->info.in.u.manage_vf_pble_bp.info;
- memcpy(hw_info, info, sizeof(*hw_info));
-
- cqp_info->cqp_cmd = OP_MANAGE_VF_PBLE_BP;
- cqp_info->post_sq = 1;
- cqp_info->in.u.manage_vf_pble_bp.cqp = &iwdev->cqp.sc_cqp;
- cqp_info->in.u.manage_vf_pble_bp.scratch = (uintptr_t)cqp_request;
- status = i40iw_handle_cqp_op(iwdev, cqp_request);
- if (status)
- i40iw_pr_err("CQP-OP Manage VF pble_bp fail");
- return status;
-}
-
-/**
- * i40iw_get_ib_wc - return change flush code to IB's
- * @opcode: iwarp flush code
- */
-static enum ib_wc_status i40iw_get_ib_wc(enum i40iw_flush_opcode opcode)
-{
- switch (opcode) {
- case FLUSH_PROT_ERR:
- return IB_WC_LOC_PROT_ERR;
- case FLUSH_REM_ACCESS_ERR:
- return IB_WC_REM_ACCESS_ERR;
- case FLUSH_LOC_QP_OP_ERR:
- return IB_WC_LOC_QP_OP_ERR;
- case FLUSH_REM_OP_ERR:
- return IB_WC_REM_OP_ERR;
- case FLUSH_LOC_LEN_ERR:
- return IB_WC_LOC_LEN_ERR;
- case FLUSH_GENERAL_ERR:
- return IB_WC_GENERAL_ERR;
- case FLUSH_FATAL_ERR:
- default:
- return IB_WC_FATAL_ERR;
- }
-}
-
-/**
- * i40iw_set_flush_info - set flush info
- * @pinfo: set flush info
- * @min: minor err
- * @maj: major err
- * @opcode: flush error code
- */
-static void i40iw_set_flush_info(struct i40iw_qp_flush_info *pinfo,
- u16 *min,
- u16 *maj,
- enum i40iw_flush_opcode opcode)
-{
- *min = (u16)i40iw_get_ib_wc(opcode);
- *maj = CQE_MAJOR_DRV;
- pinfo->userflushcode = true;
-}
-
-/**
- * i40iw_flush_wqes - flush wqe for qp
- * @iwdev: iwarp device
- * @iwqp: qp to flush wqes
- */
-void i40iw_flush_wqes(struct i40iw_device *iwdev, struct i40iw_qp *iwqp)
-{
- struct i40iw_qp_flush_info info;
- struct i40iw_qp_flush_info *pinfo = &info;
-
- struct i40iw_sc_qp *qp = &iwqp->sc_qp;
-
- memset(pinfo, 0, sizeof(*pinfo));
- info.sq = true;
- info.rq = true;
- if (qp->term_flags) {
- i40iw_set_flush_info(pinfo, &pinfo->sq_minor_code,
- &pinfo->sq_major_code, qp->flush_code);
- i40iw_set_flush_info(pinfo, &pinfo->rq_minor_code,
- &pinfo->rq_major_code, qp->flush_code);
- }
- (void)i40iw_hw_flush_wqes(iwdev, &iwqp->sc_qp, &info, true);
-}
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-17 18:12:44 +0300