cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/brocade/bna/bfa_cee.c

/*
 * Linux network driver for QLogic BR-series Converged Network Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014-2015 QLogic Corporation
 * All rights reserved
 * www.qlogic.com
 */

#include "bfa_cee.h"
#include "bfi_cna.h"
#include "bfa_ioc.h"

static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg);
static void bfa_cee_format_cee_cfg(void *buffer);


static void bfa_cee_format_cee_cfg(void *buffer) { struct bfa_cee_attr *cee_cfg = buffer; bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody25100.00%1100.00%
Total25100.00%1100.00%


static void bfa_cee_stats_swap(struct bfa_cee_stats *stats) { u32 *buffer = (u32 *)stats; int i; for (i = 0; i < (sizeof(struct bfa_cee_stats) / sizeof(u32)); i++) { buffer[i] = ntohl(buffer[i]); } }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody63100.00%1100.00%
Total63100.00%1100.00%


static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg) { lldp_cfg->time_to_live = ntohs(lldp_cfg->time_to_live); lldp_cfg->enabled_system_cap = ntohs(lldp_cfg->enabled_system_cap); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody33100.00%1100.00%
Total33100.00%1100.00%

/** * bfa_cee_attr_meminfo - Returns the size of the DMA memory needed by CEE attributes */
static u32 bfa_cee_attr_meminfo(void) { return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody20100.00%1100.00%
Total20100.00%1100.00%

/** * bfa_cee_stats_meminfo - Returns the size of the DMA memory needed by CEE stats */
static u32 bfa_cee_stats_meminfo(void) { return roundup(sizeof(struct bfa_cee_stats), BFA_DMA_ALIGN_SZ); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody20100.00%1100.00%
Total20100.00%1100.00%

/** * bfa_cee_get_attr_isr - CEE ISR for get-attributes responses from f/w * * @cee: Pointer to the CEE module * @status: Return status from the f/w */
static void bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status) { cee->get_attr_status = status; if (status == BFA_STATUS_OK) { memcpy(cee->attr, cee->attr_dma.kva, sizeof(struct bfa_cee_attr)); bfa_cee_format_cee_cfg(cee->attr); } cee->get_attr_pending = false; if (cee->cbfn.get_attr_cbfn) cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody84100.00%1100.00%
Total84100.00%1100.00%

/** * bfa_cee_get_attr_isr - CEE ISR for get-stats responses from f/w * * @cee: Pointer to the CEE module * @status: Return status from the f/w */
static void bfa_cee_get_stats_isr(struct bfa_cee *cee, enum bfa_status status) { cee->get_stats_status = status; if (status == BFA_STATUS_OK) { memcpy(cee->stats, cee->stats_dma.kva, sizeof(struct bfa_cee_stats)); bfa_cee_stats_swap(cee->stats); } cee->get_stats_pending = false; if (cee->cbfn.get_stats_cbfn) cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody84100.00%1100.00%
Total84100.00%1100.00%

/** * bfa_cee_get_attr_isr() * * @brief CEE ISR for reset-stats responses from f/w * * @param[in] cee - Pointer to the CEE module * status - Return status from the f/w * * @return void */
static void bfa_cee_reset_stats_isr(struct bfa_cee *cee, enum bfa_status status) { cee->reset_stats_status = status; cee->reset_stats_pending = false; if (cee->cbfn.reset_stats_cbfn) cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody50100.00%1100.00%
Total50100.00%1100.00%

/** * bfa_nw_cee_meminfo - Returns the size of the DMA memory needed by CEE module */
u32 bfa_nw_cee_meminfo(void) { return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo(); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody14100.00%2100.00%
Total14100.00%2100.00%

/** * bfa_nw_cee_mem_claim - Initialized CEE DMA Memory * * @cee: CEE module pointer * @dma_kva: Kernel Virtual Address of CEE DMA Memory * @dma_pa: Physical Address of CEE DMA Memory */
void bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa) { cee->attr_dma.kva = dma_kva; cee->attr_dma.pa = dma_pa; cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo(); cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo(); cee->attr = (struct bfa_cee_attr *) dma_kva; cee->stats = (struct bfa_cee_stats *) (dma_kva + bfa_cee_attr_meminfo()); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody82100.00%2100.00%
Total82100.00%2100.00%

/** * bfa_cee_get_attr - Send the request to the f/w to fetch CEE attributes. * * @cee: Pointer to the CEE module data structure. * * Return: status */
enum bfa_status bfa_nw_cee_get_attr(struct bfa_cee *cee, struct bfa_cee_attr *attr, bfa_cee_get_attr_cbfn_t cbfn, void *cbarg) { struct bfi_cee_get_req *cmd; BUG_ON(!((cee != NULL) && (cee->ioc != NULL))); if (!bfa_nw_ioc_is_operational(cee->ioc)) return BFA_STATUS_IOC_FAILURE; if (cee->get_attr_pending) return BFA_STATUS_DEVBUSY; cee->get_attr_pending = true; cmd = (struct bfi_cee_get_req *) cee->get_cfg_mb.msg; cee->attr = attr; cee->cbfn.get_attr_cbfn = cbfn; cee->cbfn.get_attr_cbarg = cbarg; bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ, bfa_ioc_portid(cee->ioc)); bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa); bfa_nw_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb, NULL, NULL); return BFA_STATUS_OK; }

Contributors

PersonTokensPropCommitsCommitProp
Krishna Gudipati161100.00%1100.00%
Total161100.00%1100.00%

/** * bfa_cee_isrs - Handles Mail-box interrupts for CEE module. */
static void bfa_cee_isr(void *cbarg, struct bfi_mbmsg *m) { union bfi_cee_i2h_msg_u *msg; struct bfi_cee_get_rsp *get_rsp; struct bfa_cee *cee = (struct bfa_cee *) cbarg; msg = (union bfi_cee_i2h_msg_u *) m; get_rsp = (struct bfi_cee_get_rsp *) m; switch (msg->mh.msg_id) { case BFI_CEE_I2H_GET_CFG_RSP: bfa_cee_get_attr_isr(cee, get_rsp->cmd_status); break; case BFI_CEE_I2H_GET_STATS_RSP: bfa_cee_get_stats_isr(cee, get_rsp->cmd_status); break; case BFI_CEE_I2H_RESET_STATS_RSP: bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status); break; default: BUG_ON(1); } }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody110100.00%2100.00%
Total110100.00%2100.00%

/** * bfa_cee_notify - CEE module heart-beat failure handler. * * @event: IOC event type */
static void bfa_cee_notify(void *arg, enum bfa_ioc_event event) { struct bfa_cee *cee; cee = (struct bfa_cee *) arg; switch (event) { case BFA_IOC_E_DISABLED: case BFA_IOC_E_FAILED: if (cee->get_attr_pending) { cee->get_attr_status = BFA_STATUS_FAILED; cee->get_attr_pending = false; if (cee->cbfn.get_attr_cbfn) { cee->cbfn.get_attr_cbfn( cee->cbfn.get_attr_cbarg, BFA_STATUS_FAILED); } } if (cee->get_stats_pending) { cee->get_stats_status = BFA_STATUS_FAILED; cee->get_stats_pending = false; if (cee->cbfn.get_stats_cbfn) { cee->cbfn.get_stats_cbfn( cee->cbfn.get_stats_cbarg, BFA_STATUS_FAILED); } } if (cee->reset_stats_pending) { cee->reset_stats_status = BFA_STATUS_FAILED; cee->reset_stats_pending = false; if (cee->cbfn.reset_stats_cbfn) { cee->cbfn.reset_stats_cbfn( cee->cbfn.reset_stats_cbarg, BFA_STATUS_FAILED); } } break; default: break; } }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody178100.00%3100.00%
Total178100.00%3100.00%

/** * bfa_nw_cee_attach - CEE module-attach API * * @cee: Pointer to the CEE module data structure * @ioc: Pointer to the ioc module data structure * @dev: Pointer to the device driver module data structure. * The device driver specific mbox ISR functions have * this pointer as one of the parameters. */
void bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc, void *dev) { BUG_ON(!(cee != NULL)); cee->dev = dev; cee->ioc = ioc; bfa_nw_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee); bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee); bfa_nw_ioc_notify_register(cee->ioc, &cee->ioc_notify); }

Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody78100.00%3100.00%
Total78100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Rasesh Mody87283.60%457.14%
Krishna Gudipati16115.44%114.29%
Ben Hutchings100.96%228.57%
Total1043100.00%7100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.