From e542aa6bd50ba163253e60ba8e7e51c0d56162a7 Mon Sep 17 00:00:00 2001 From: Jan-Bernd Themann Date: Thu, 22 Mar 2007 17:50:24 +0100 Subject: ehea: code cleanup This patch includes: - code cleanup related to resource management - extended error data gathering for resource management - removing trailing whitespaces Signed-off-by: Jan-Bernd Themann Signed-off-by: Jeff Garzik --- drivers/net/ehea/ehea_main.c | 95 +++++++++++++++++--------------------------- 1 file changed, 36 insertions(+), 59 deletions(-) (limited to 'drivers/net/ehea/ehea_main.c') diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index db0d79ebae81..8bceb4e6bb82 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -546,19 +546,19 @@ static int ehea_poll(struct net_device *dev, int *budget) cqe = ehea_poll_rq1(pr->qp, &wqe_index); cqe_skb = ehea_poll_cq(pr->send_cq); - if (!cqe && !cqe_skb) + if (!cqe && !cqe_skb) return 0; - if (!netif_rx_reschedule(dev, dev->quota)) + if (!netif_rx_reschedule(dev, dev->quota)) return 0; } - + cqe = ehea_proc_rwqes(dev, pr, budget); cqe_skb = ehea_proc_cqes(pr, 300); if (cqe || cqe_skb) pr->poll_counter++; - + return 1; } @@ -1011,7 +1011,7 @@ static int ehea_configure_port(struct ehea_port *port) else cb0->default_qpn_arr[i] = port->port_res[0].qp->init_attr.qp_nr; - + if (netif_msg_ifup(port)) ehea_dump(cb0, sizeof(*cb0), "ehea_configure_port"); @@ -1033,52 +1033,35 @@ out: return ret; } -static int ehea_gen_smrs(struct ehea_port_res *pr) +int ehea_gen_smrs(struct ehea_port_res *pr) { - u64 hret; + int ret; struct ehea_adapter *adapter = pr->port->adapter; - hret = ehea_h_register_smr(adapter->handle, adapter->mr.handle, - adapter->mr.vaddr, EHEA_MR_ACC_CTRL, - adapter->pd, &pr->send_mr); - if (hret != H_SUCCESS) + ret = ehea_gen_smr(adapter, &adapter->mr, &pr->send_mr); + if (ret) goto out; - hret = ehea_h_register_smr(adapter->handle, adapter->mr.handle, - adapter->mr.vaddr, EHEA_MR_ACC_CTRL, - adapter->pd, &pr->recv_mr); - if (hret != H_SUCCESS) - goto out_freeres; + ret = ehea_gen_smr(adapter, &adapter->mr, &pr->recv_mr); + if (ret) + goto out_free; return 0; -out_freeres: - hret = ehea_h_free_resource(adapter->handle, pr->send_mr.handle); - if (hret != H_SUCCESS) - ehea_error("failed freeing SMR"); +out_free: + ehea_rem_mr(&pr->send_mr); out: + ehea_error("Generating SMRS failed\n"); return -EIO; } -static int ehea_rem_smrs(struct ehea_port_res *pr) +int ehea_rem_smrs(struct ehea_port_res *pr) { - struct ehea_adapter *adapter = pr->port->adapter; - int ret = 0; - u64 hret; - - hret = ehea_h_free_resource(adapter->handle, pr->send_mr.handle); - if (hret != H_SUCCESS) { - ret = -EIO; - ehea_error("failed freeing send SMR for pr=%p", pr); - } - - hret = ehea_h_free_resource(adapter->handle, pr->recv_mr.handle); - if (hret != H_SUCCESS) { - ret = -EIO; - ehea_error("failed freeing recv SMR for pr=%p", pr); - } - - return ret; + if ((ehea_rem_mr(&pr->send_mr)) + || (ehea_rem_mr(&pr->recv_mr))) + return -EIO; + else + return 0; } static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries) @@ -2243,7 +2226,7 @@ static int ehea_down(struct net_device *dev) ehea_free_interrupts(dev); for (i = 0; i < port->num_def_qps; i++) - while (test_bit(__LINK_STATE_RX_SCHED, + while (test_bit(__LINK_STATE_RX_SCHED, &port->port_res[i].d_netdev->state)) msleep(1); @@ -2418,7 +2401,7 @@ static struct device *ehea_register_port(struct ehea_port *port, ehea_error("failed to register attributes, ret=%d", ret); goto out_unreg_of_dev; } - + return &port->ofdev.dev; out_unreg_of_dev: @@ -2517,7 +2500,7 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, } ret = ehea_get_jumboframe_status(port, &jumbo); - if (ret) + if (ret) ehea_error("failed determining jumbo frame status for %s", port->netdev->name); @@ -2560,7 +2543,7 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) lhea_dn = adapter->ebus_dev->ofdev.node; while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - + dn_log_port_id = (u32*)get_property(eth_dn, "ibm,hea-port-no", NULL); if (!dn_log_port_id) { @@ -2574,7 +2557,7 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) eth_dn); if (adapter->port[i]) ehea_info("%s -> logical port id #%d", - adapter->port[i]->netdev->name, + adapter->port[i]->netdev->name, *dn_log_port_id); i++; }; @@ -2590,8 +2573,8 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) return -EINVAL; } -static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, - u32 logical_port_id) +static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, + u32 logical_port_id) { struct device_node *lhea_dn; struct device_node *eth_dn = NULL; @@ -2599,7 +2582,7 @@ static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, lhea_dn = adapter->ebus_dev->ofdev.node; while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - + dn_log_port_id = (u32*)get_property(eth_dn, "ibm,hea-port-no", NULL); if (dn_log_port_id) @@ -2631,14 +2614,14 @@ static ssize_t ehea_probe_port(struct device *dev, port->netdev->name); return -EINVAL; } - + eth_dn = ehea_get_eth_dn(adapter, logical_port_id); if (!eth_dn) { ehea_info("no logical port with id %d found", logical_port_id); return -EINVAL; } - + port = ehea_setup_single_port(adapter, logical_port_id, eth_dn); of_node_put(eth_dn); @@ -2652,8 +2635,8 @@ static ssize_t ehea_probe_port(struct device *dev, ehea_info("added %s (logical port id=%d)", port->netdev->name, logical_port_id); - } else - return -EIO; + } else + return -EIO; return (ssize_t) count; } @@ -2748,7 +2731,7 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev, dev->ofdev.dev.driver_data = adapter; - ret = ehea_reg_mr_adapter(adapter); + ret = ehea_reg_kernel_mr(adapter, &adapter->mr); if (ret) { dev_err(&dev->ofdev.dev, "reg_mr_adapter failed\n"); goto out_free_ad; @@ -2813,7 +2796,7 @@ out_kill_eq: ehea_destroy_eq(adapter->neq); out_free_res: - ehea_h_free_resource(adapter->handle, adapter->mr.handle); + ehea_rem_mr(&adapter->mr); out_free_ad: kfree(adapter); @@ -2824,7 +2807,6 @@ out: static int __devexit ehea_remove(struct ibmebus_dev *dev) { struct ehea_adapter *adapter = dev->ofdev.dev.driver_data; - u64 hret; int i; for (i = 0; i < EHEA_MAX_PORTS; i++) @@ -2841,12 +2823,7 @@ static int __devexit ehea_remove(struct ibmebus_dev *dev) tasklet_kill(&adapter->neq_tasklet); ehea_destroy_eq(adapter->neq); - - hret = ehea_h_free_resource(adapter->handle, adapter->mr.handle); - if (hret) { - dev_err(&dev->ofdev.dev, "free_resource_mr failed"); - return -EIO; - } + ehea_rem_mr(&adapter->mr); kfree(adapter); return 0; } -- cgit v1.2.2