diff options
Diffstat (limited to 'drivers/staging/benet/eth.c')
| -rw-r--r-- | drivers/staging/benet/eth.c | 1273 |
1 files changed, 0 insertions, 1273 deletions
diff --git a/drivers/staging/benet/eth.c b/drivers/staging/benet/eth.c deleted file mode 100644 index f641b6260d07..000000000000 --- a/drivers/staging/benet/eth.c +++ /dev/null @@ -1,1273 +0,0 @@ -/* - * Copyright (C) 2005 - 2008 ServerEngines - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. The full GNU General - * Public License is included in this distribution in the file called COPYING. - * - * Contact Information: - * linux-drivers@serverengines.com - * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 - */ -#include <linux/if_ether.h> -#include "hwlib.h" -#include "bestatus.h" - -/* - *--------------------------------------------------------- - * Function: be_eth_sq_create_ex - * Creates an ethernet send ring - extended version with - * additional parameters. - * pfob - - * rd - ring address - * length_in_bytes - - * type - The type of ring to create. - * ulp - The requested ULP number for the ring. - * This should be zero based, i.e. 0,1,2. This must - * be valid NIC ULP based on the firmware config. - * All doorbells for this ring must be sent to - * this ULP. The first network ring allocated for - * each ULP are higher performance than subsequent rings. - * cq_object - cq object for completions - * ex_parameters - Additional parameters (that may increase in - * future revisions). These parameters are only used - * for certain ring types -- see - * struct be_eth_sq_parameters for details. - * eth_sq - - * return status - BE_SUCCESS (0) on success. Negative error code on failure. - *--------------------------------------------------------- - */ -int -be_eth_sq_create_ex(struct be_function_object *pfob, struct ring_desc *rd, - u32 length, u32 type, u32 ulp, struct be_cq_object *cq_object, - struct be_eth_sq_parameters *ex_parameters, - struct be_ethsq_object *eth_sq) -{ - struct FWCMD_COMMON_ETH_TX_CREATE *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - u32 n; - unsigned long irql; - - ASSERT(rd); - ASSERT(eth_sq); - ASSERT(ex_parameters); - - spin_lock_irqsave(&pfob->post_lock, irql); - - memset(eth_sq, 0, sizeof(*eth_sq)); - - eth_sq->parent_function = pfob; - eth_sq->bid = 0xFFFFFFFF; - eth_sq->cq_object = cq_object; - - /* Translate hwlib interface to arm interface. */ - switch (type) { - case BE_ETH_TX_RING_TYPE_FORWARDING: - type = ETH_TX_RING_TYPE_FORWARDING; - break; - case BE_ETH_TX_RING_TYPE_STANDARD: - type = ETH_TX_RING_TYPE_STANDARD; - break; - case BE_ETH_TX_RING_TYPE_BOUND: - ASSERT(ex_parameters->port < 2); - type = ETH_TX_RING_TYPE_BOUND; - break; - default: - TRACE(DL_ERR, "Invalid eth tx ring type:%d", type); - return BE_NOT_OK; - break; - } - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - ASSERT(wrb); - TRACE(DL_ERR, "No free MCC WRBs in create EQ."); - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - /* NIC must be supported by the current config. */ - ASSERT(pfob->fw_config.nic_ulp_mask); - - /* - * The ulp parameter must select a valid NIC ULP - * for the current config. - */ - ASSERT((1 << ulp) & pfob->fw_config.nic_ulp_mask); - - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_ETH_TX_CREATE); - fwcmd->header.request.port_number = ex_parameters->port; - - AMAP_SET_BITS_PTR(ETX_CONTEXT, pd_id, - &fwcmd->params.request.context, 0); - - n = be_ring_length_to_encoding(length, sizeof(struct ETH_WRB_AMAP)); - AMAP_SET_BITS_PTR(ETX_CONTEXT, tx_ring_size, - &fwcmd->params.request.context, n); - - AMAP_SET_BITS_PTR(ETX_CONTEXT, cq_id_send, - &fwcmd->params.request.context, cq_object->cq_id); - - n = pfob->pci_function_number; - AMAP_SET_BITS_PTR(ETX_CONTEXT, func, &fwcmd->params.request.context, n); - - fwcmd->params.request.type = type; - fwcmd->params.request.ulp_num = (1 << ulp); - fwcmd->params.request.num_pages = DIV_ROUND_UP(length, PAGE_SIZE); - ASSERT(PAGES_SPANNED(rd->va, rd->length) >= - fwcmd->params.request.num_pages); - - /* Create a page list for the FWCMD. */ - be_rd_to_pa_list(rd, fwcmd->params.request.pages, - ARRAY_SIZE(fwcmd->params.request.pages)); - - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - if (status != BE_SUCCESS) { - TRACE(DL_ERR, "MCC to create etx queue failed."); - goto Error; - } - /* save the butler ID */ - eth_sq->bid = fwcmd->params.response.cid; - - /* add a reference to the corresponding CQ */ - atomic_inc(&cq_object->ref_count); - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - - -/* - This routine destroys an ethernet send queue - - EthSq - EthSq Handle returned from EthSqCreate - - This function always return BE_SUCCESS. - - This function frees memory allocated by EthSqCreate for the EthSq Object. - -*/ -int be_eth_sq_destroy(struct be_ethsq_object *eth_sq) -{ - int status = 0; - - /* Send fwcmd to destroy the queue. */ - status = be_function_ring_destroy(eth_sq->parent_function, eth_sq->bid, - FWCMD_RING_TYPE_ETH_TX, NULL, NULL, NULL, NULL); - ASSERT(status == 0); - - /* Derefence any associated CQs. */ - atomic_dec(ð_sq->cq_object->ref_count); - return status; -} -/* - This routine attempts to set the transmit flow control parameters. - - FunctionObject - Handle to a function object - - txfc_enable - transmit flow control enable - true for - enable, false for disable - - rxfc_enable - receive flow control enable - true for - enable, false for disable - - Returns BE_SUCCESS if successfull, otherwise a useful int error - code is returned. - - IRQL: < DISPATCH_LEVEL - - This function always fails in non-privileged machine context. -*/ -int -be_eth_set_flow_control(struct be_function_object *pfob, - bool txfc_enable, bool rxfc_enable) -{ - struct FWCMD_COMMON_SET_FLOW_CONTROL *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - unsigned long irql; - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_SET_FLOW_CONTROL); - - fwcmd->params.request.rx_flow_control = rxfc_enable; - fwcmd->params.request.tx_flow_control = txfc_enable; - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - - if (status != 0) { - TRACE(DL_ERR, "set flow control fwcmd failed."); - goto error; - } - -error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - This routine attempts to get the transmit flow control parameters. - - pfob - Handle to a function object - - txfc_enable - transmit flow control enable - true for - enable, false for disable - - rxfc_enable - receive flow control enable - true for enable, - false for disable - - Returns BE_SUCCESS if successfull, otherwise a useful int error code - is returned. - - IRQL: < DISPATCH_LEVEL - - This function always fails in non-privileged machine context. -*/ -int -be_eth_get_flow_control(struct be_function_object *pfob, - bool *txfc_enable, bool *rxfc_enable) -{ - struct FWCMD_COMMON_GET_FLOW_CONTROL *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - unsigned long irql; - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_GET_FLOW_CONTROL); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - - if (status != 0) { - TRACE(DL_ERR, "get flow control fwcmd failed."); - goto error; - } - - *txfc_enable = fwcmd->params.response.tx_flow_control; - *rxfc_enable = fwcmd->params.response.rx_flow_control; - -error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - *--------------------------------------------------------- - * Function: be_eth_set_qos - * This function sets the ethernet transmit Quality of Service (QoS) - * characteristics of BladeEngine for the domain. All ethernet - * transmit rings of the domain will evenly share the bandwidth. - * The exeception to sharing is the host primary (super) ethernet - * transmit ring as well as the host ethernet forwarding ring - * for missed offload data. - * pfob - - * max_bps - the maximum bits per second in units of - * 10 Mbps (valid 0-100) - * max_pps - the maximum packets per second in units - * of 1 Kpps (0 indicates no limit) - * return status - BE_SUCCESS (0) on success. Negative error code on failure. - *--------------------------------------------------------- - */ -int -be_eth_set_qos(struct be_function_object *pfob, u32 max_bps, u32 max_pps) -{ - struct FWCMD_COMMON_SET_QOS *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - unsigned long irql; - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_SET_QOS); - - /* Set fields in fwcmd */ - fwcmd->params.request.max_bits_per_second_NIC = max_bps; - fwcmd->params.request.max_packets_per_second_NIC = max_pps; - fwcmd->params.request.valid_flags = QOS_BITS_NIC | QOS_PKTS_NIC; - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - - if (status != 0) - TRACE(DL_ERR, "network set qos fwcmd failed."); - -error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - *--------------------------------------------------------- - * Function: be_eth_get_qos - * This function retrieves the ethernet transmit Quality of Service (QoS) - * characteristics for the domain. - * max_bps - the maximum bits per second in units of - * 10 Mbps (valid 0-100) - * max_pps - the maximum packets per second in units of - * 1 Kpps (0 indicates no limit) - * return status - BE_SUCCESS (0) on success. Negative error code on failure. - *--------------------------------------------------------- - */ -int -be_eth_get_qos(struct be_function_object *pfob, u32 *max_bps, u32 *max_pps) -{ - struct FWCMD_COMMON_GET_QOS *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - unsigned long irql; - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_GET_QOS); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - - if (status != 0) { - TRACE(DL_ERR, "network get qos fwcmd failed."); - goto error; - } - - *max_bps = fwcmd->params.response.max_bits_per_second_NIC; - *max_pps = fwcmd->params.response.max_packets_per_second_NIC; - -error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - *--------------------------------------------------------- - * Function: be_eth_set_frame_size - * This function sets the ethernet maximum frame size. The previous - * values are returned. - * pfob - - * tx_frame_size - maximum transmit frame size in bytes - * rx_frame_size - maximum receive frame size in bytes - * return status - BE_SUCCESS (0) on success. Negative error code on failure. - *--------------------------------------------------------- - */ -int -be_eth_set_frame_size(struct be_function_object *pfob, - u32 *tx_frame_size, u32 *rx_frame_size) -{ - struct FWCMD_COMMON_SET_FRAME_SIZE *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - unsigned long irql; - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_SET_FRAME_SIZE); - fwcmd->params.request.max_tx_frame_size = *tx_frame_size; - fwcmd->params.request.max_rx_frame_size = *rx_frame_size; - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - - if (status != 0) { - TRACE(DL_ERR, "network set frame size fwcmd failed."); - goto error; - } - - *tx_frame_size = fwcmd->params.response.chip_max_tx_frame_size; - *rx_frame_size = fwcmd->params.response.chip_max_rx_frame_size; - -error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - - -/* - This routine creates a Ethernet receive ring. - - pfob - handle to a function object - rq_base_va - base VA for the default receive ring. this must be - exactly 8K in length and continguous physical memory. - cq_object - handle to a previously created CQ to be associated - with the RQ. - pp_eth_rq - pointer to an opqaue handle where an eth - receive object is returned. - Returns BE_SUCCESS if successfull, , otherwise a useful - int error code is returned. - - IRQL: < DISPATCH_LEVEL - this function allocates a struct be_ethrq_object *object. - there must be no more than 1 of these per function object, unless the - function object supports RSS (is networking and on the host). - the rq_base_va must point to a buffer of exactly 8K. - the erx::host_cqid (or host_stor_cqid) register and erx::ring_page registers - will be updated as appropriate on return -*/ -int -be_eth_rq_create(struct be_function_object *pfob, - struct ring_desc *rd, struct be_cq_object *cq_object, - struct be_cq_object *bcmc_cq_object, - struct be_ethrq_object *eth_rq) -{ - int status = 0; - struct MCC_WRB_AMAP *wrb = NULL; - struct FWCMD_COMMON_ETH_RX_CREATE *fwcmd = NULL; - unsigned long irql; - - /* MPU will set the */ - ASSERT(rd); - ASSERT(eth_rq); - - spin_lock_irqsave(&pfob->post_lock, irql); - - eth_rq->parent_function = pfob; - eth_rq->cq_object = cq_object; - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_ETH_RX_CREATE); - - fwcmd->params.request.num_pages = 2; /* required length */ - fwcmd->params.request.cq_id = cq_object->cq_id; - - if (bcmc_cq_object) - fwcmd->params.request.bcmc_cq_id = bcmc_cq_object->cq_id; - else - fwcmd->params.request.bcmc_cq_id = 0xFFFF; - - /* Create a page list for the FWCMD. */ - be_rd_to_pa_list(rd, fwcmd->params.request.pages, - ARRAY_SIZE(fwcmd->params.request.pages)); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - if (status != BE_SUCCESS) { - TRACE(DL_ERR, "fwcmd to map eth rxq frags failed."); - goto Error; - } - /* Save the ring ID for cleanup. */ - eth_rq->rid = fwcmd->params.response.id; - - atomic_inc(&cq_object->ref_count); - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - This routine destroys an Ethernet receive queue - - eth_rq - ethernet receive queue handle returned from eth_rq_create - - Returns BE_SUCCESS on success and an appropriate int on failure. - - This function frees resourcs allocated by EthRqCreate. - The erx::host_cqid (or host_stor_cqid) register and erx::ring_page - registers will be updated as appropriate on return - IRQL: < DISPATCH_LEVEL -*/ - -static void be_eth_rq_destroy_internal_cb(void *context, int status, - struct MCC_WRB_AMAP *wrb) -{ - struct be_ethrq_object *eth_rq = (struct be_ethrq_object *) context; - - if (status != BE_SUCCESS) { - TRACE(DL_ERR, "Destroy eth rq failed in internal callback.\n"); - } else { - /* Dereference any CQs associated with this queue. */ - atomic_dec(ð_rq->cq_object->ref_count); - } - - return; -} - -int be_eth_rq_destroy(struct be_ethrq_object *eth_rq) -{ - int status = BE_SUCCESS; - - /* Send fwcmd to destroy the RQ. */ - status = be_function_ring_destroy(eth_rq->parent_function, - eth_rq->rid, FWCMD_RING_TYPE_ETH_RX, NULL, NULL, - be_eth_rq_destroy_internal_cb, eth_rq); - - return status; -} - -/* - *--------------------------------------------------------------------------- - * Function: be_eth_rq_destroy_options - * Destroys an ethernet receive ring with finer granularity options - * than the standard be_eth_rq_destroy() API function. - * eth_rq - - * flush - Set to 1 to flush the ring, set to 0 to bypass the flush - * cb - Callback function on completion - * cb_context - Callback context - * return status - BE_SUCCESS (0) on success. Negative error code on failure. - *---------------------------------------------------------------------------- - */ -int -be_eth_rq_destroy_options(struct be_ethrq_object *eth_rq, bool flush, - mcc_wrb_cqe_callback cb, void *cb_context) -{ - struct FWCMD_COMMON_RING_DESTROY *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = BE_SUCCESS; - struct be_function_object *pfob = NULL; - unsigned long irql; - - pfob = eth_rq->parent_function; - - spin_lock_irqsave(&pfob->post_lock, irql); - - TRACE(DL_INFO, "Destroy eth_rq ring id:%d, flush:%d", eth_rq->rid, - flush); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - ASSERT(wrb); - TRACE(DL_ERR, "No free MCC WRBs in destroy eth_rq ring."); - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_RING_DESTROY); - - fwcmd->params.request.id = eth_rq->rid; - fwcmd->params.request.ring_type = FWCMD_RING_TYPE_ETH_RX; - fwcmd->params.request.bypass_flush = ((0 == flush) ? 1 : 0); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, cb, cb_context, - be_eth_rq_destroy_internal_cb, eth_rq, fwcmd, NULL); - - if (status != BE_SUCCESS && status != BE_PENDING) { - TRACE(DL_ERR, "eth_rq ring destroy failed. id:%d, flush:%d", - eth_rq->rid, flush); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - This routine queries the frag size for erx. - - pfob - handle to a function object - - frag_size_bytes - erx frag size in bytes that is/was set. - - Returns BE_SUCCESS if successfull, otherwise a useful int error - code is returned. - - IRQL: < DISPATCH_LEVEL - -*/ -int -be_eth_rq_get_frag_size(struct be_function_object *pfob, u32 *frag_size_bytes) -{ - struct FWCMD_ETH_GET_RX_FRAG_SIZE *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - unsigned long irql; - - ASSERT(frag_size_bytes); - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - return BE_STATUS_NO_MCC_WRB; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, ETH_GET_RX_FRAG_SIZE); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - - if (status != 0) { - TRACE(DL_ERR, "get frag size fwcmd failed."); - goto error; - } - - *frag_size_bytes = 1 << fwcmd->params.response.actual_fragsize_log2; - -error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - This routine attempts to set the frag size for erx. If the frag size is - already set, the attempt fails and the current frag size is returned. - - pfob - Handle to a function object - - frag_size - Erx frag size in bytes that is/was set. - - current_frag_size_bytes - Pointer to location where currrent frag - is to be rturned - - Returns BE_SUCCESS if successfull, otherwise a useful int error - code is returned. - - IRQL: < DISPATCH_LEVEL - - This function always fails in non-privileged machine context. -*/ -int -be_eth_rq_set_frag_size(struct be_function_object *pfob, - u32 frag_size, u32 *frag_size_bytes) -{ - struct FWCMD_ETH_SET_RX_FRAG_SIZE *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - unsigned long irql; - - ASSERT(frag_size_bytes); - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto error; - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, ETH_SET_RX_FRAG_SIZE); - - ASSERT(frag_size >= 128 && frag_size <= 16 * 1024); - - /* This is the log2 of the fragsize. This is not the exact - * ERX encoding. */ - fwcmd->params.request.new_fragsize_log2 = __ilog2_u32(frag_size); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, NULL, NULL, - NULL, NULL, fwcmd, NULL); - - if (status != 0) { - TRACE(DL_ERR, "set frag size fwcmd failed."); - goto error; - } - - *frag_size_bytes = 1 << fwcmd->params.response.actual_fragsize_log2; -error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - - -/* - This routine gets or sets a mac address for a domain - given the port and mac. - - FunctionObject - Function object handle. - port1 - Set to TRUE if this function will set/get the Port 1 - address. Only the host may set this to TRUE. - mac1 - Set to TRUE if this function will set/get the - MAC 1 address. Only the host may set this to TRUE. - write - Set to TRUE if this function should write the mac address. - mac_address - Buffer of the mac address to read or write. - - Returns BE_SUCCESS if successfull, otherwise a useful int is returned. - - IRQL: < DISPATCH_LEVEL -*/ -int be_rxf_mac_address_read_write(struct be_function_object *pfob, - bool port1, /* VM must always set to false */ - bool mac1, /* VM must always set to false */ - bool mgmt, bool write, - bool permanent, u8 *mac_address, - mcc_wrb_cqe_callback cb, /* optional */ - void *cb_context) /* optional */ -{ - int status = BE_SUCCESS; - union { - struct FWCMD_COMMON_NTWK_MAC_QUERY *query; - struct FWCMD_COMMON_NTWK_MAC_SET *set; - } fwcmd = {NULL}; - struct MCC_WRB_AMAP *wrb = NULL; - u32 type = 0; - unsigned long irql; - struct be_mcc_wrb_response_copy rc; - - spin_lock_irqsave(&pfob->post_lock, irql); - - ASSERT(mac_address); - - ASSERT(port1 == false); - ASSERT(mac1 == false); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - TRACE(DL_ERR, "MCC wrb peek failed."); - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - - if (mgmt) { - type = MAC_ADDRESS_TYPE_MANAGEMENT; - } else { - if (pfob->type == BE_FUNCTION_TYPE_NETWORK) - type = MAC_ADDRESS_TYPE_NETWORK; - else - type = MAC_ADDRESS_TYPE_STORAGE; - } - - if (write) { - /* Prepares an embedded fwcmd, including - * request/response sizes. - */ - fwcmd.set = BE_PREPARE_EMBEDDED_FWCMD(pfob, - wrb, COMMON_NTWK_MAC_SET); - - fwcmd.set->params.request.invalidate = 0; - fwcmd.set->params.request.mac1 = (mac1 ? 1 : 0); - fwcmd.set->params.request.port = (port1 ? 1 : 0); - fwcmd.set->params.request.type = type; - - /* Copy the mac address to set. */ - fwcmd.set->params.request.mac.SizeOfStructure = - sizeof(fwcmd.set->params.request.mac); - memcpy(fwcmd.set->params.request.mac.MACAddress, - mac_address, ETH_ALEN); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, - cb, cb_context, NULL, NULL, fwcmd.set, NULL); - - } else { - - /* - * Prepares an embedded fwcmd, including - * request/response sizes. - */ - fwcmd.query = BE_PREPARE_EMBEDDED_FWCMD(pfob, - wrb, COMMON_NTWK_MAC_QUERY); - - fwcmd.query->params.request.mac1 = (mac1 ? 1 : 0); - fwcmd.query->params.request.port = (port1 ? 1 : 0); - fwcmd.query->params.request.type = type; - fwcmd.query->params.request.permanent = permanent; - - rc.length = FIELD_SIZEOF(struct FWCMD_COMMON_NTWK_MAC_QUERY, - params.response.mac.MACAddress); - rc.fwcmd_offset = offsetof(struct FWCMD_COMMON_NTWK_MAC_QUERY, - params.response.mac.MACAddress); - rc.va = mac_address; - /* Post the f/w command (with a copy for the response) */ - status = be_function_post_mcc_wrb(pfob, wrb, NULL, cb, - cb_context, NULL, NULL, fwcmd.query, &rc); - } - - if (status < 0) { - TRACE(DL_ERR, "mac set/query failed."); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - This routine writes data to context memory. - - pfob - Function object handle. - mac_table - Set to the 128-bit multicast address hash table. - - Returns BE_SUCCESS if successfull, otherwise a useful int is returned. - - IRQL: < DISPATCH_LEVEL -*/ - -int be_rxf_multicast_config(struct be_function_object *pfob, - bool promiscuous, u32 num, u8 *mac_table, - mcc_wrb_cqe_callback cb, /* optional */ - void *cb_context, - struct be_multicast_q_ctxt *q_ctxt) -{ - int status = BE_SUCCESS; - struct FWCMD_COMMON_NTWK_MULTICAST_SET *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - struct be_generic_q_ctxt *generic_ctxt = NULL; - unsigned long irql; - - ASSERT(num <= ARRAY_SIZE(fwcmd->params.request.mac)); - - if (num > ARRAY_SIZE(fwcmd->params.request.mac)) { - TRACE(DL_ERR, "Too many multicast addresses. BE supports %d.", - (int) ARRAY_SIZE(fwcmd->params.request.mac)); - return BE_NOT_OK; - } - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - if (q_ctxt && cb) { - wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header; - generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt; - generic_ctxt->context.bytes = sizeof(*q_ctxt); - } else { - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_NTWK_MULTICAST_SET); - - fwcmd->params.request.promiscuous = promiscuous; - if (!promiscuous) { - fwcmd->params.request.num_mac = num; - if (num > 0) { - ASSERT(mac_table); - memcpy(fwcmd->params.request.mac, - mac_table, ETH_ALEN * num); - } - } - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt, - cb, cb_context, NULL, NULL, fwcmd, NULL); - if (status < 0) { - TRACE(DL_ERR, "multicast fwcmd failed."); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -/* - This routine adds or removes a vlan tag from the rxf table. - - FunctionObject - Function object handle. - VLanTag - VLan tag to add or remove. - Add - Set to TRUE if this will add a vlan tag - - Returns BE_SUCCESS if successfull, otherwise a useful int is returned. - - IRQL: < DISPATCH_LEVEL -*/ -int be_rxf_vlan_config(struct be_function_object *pfob, - bool promiscuous, u32 num, u16 *vlan_tag_array, - mcc_wrb_cqe_callback cb, /* optional */ - void *cb_context, - struct be_vlan_q_ctxt *q_ctxt) /* optional */ -{ - int status = BE_SUCCESS; - struct FWCMD_COMMON_NTWK_VLAN_CONFIG *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - struct be_generic_q_ctxt *generic_ctxt = NULL; - unsigned long irql; - - if (num > ARRAY_SIZE(fwcmd->params.request.vlan_tag)) { - TRACE(DL_ERR, "Too many VLAN tags."); - return BE_NOT_OK; - } - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - if (!wrb) { - if (q_ctxt && cb) { - wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header; - generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt; - generic_ctxt->context.bytes = sizeof(*q_ctxt); - } else { - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_NTWK_VLAN_CONFIG); - - fwcmd->params.request.promiscuous = promiscuous; - if (!promiscuous) { - fwcmd->params.request.num_vlan = num; - - if (num > 0) { - ASSERT(vlan_tag_array); - memcpy(fwcmd->params.request.vlan_tag, vlan_tag_array, - num * sizeof(vlan_tag_array[0])); - } - } - - /* Post the commadn */ - status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt, - cb, cb_context, NULL, NULL, fwcmd, NULL); - if (status < 0) { - TRACE(DL_ERR, "vlan fwcmd failed."); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - - -int be_rxf_link_status(struct be_function_object *pfob, - struct BE_LINK_STATUS *link_status, - mcc_wrb_cqe_callback cb, - void *cb_context, - struct be_link_status_q_ctxt *q_ctxt) -{ - struct FWCMD_COMMON_NTWK_LINK_STATUS_QUERY *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - struct be_generic_q_ctxt *generic_ctxt = NULL; - unsigned long irql; - struct be_mcc_wrb_response_copy rc; - - ASSERT(link_status); - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - - if (!wrb) { - if (q_ctxt && cb) { - wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header; - generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt; - generic_ctxt->context.bytes = sizeof(*q_ctxt); - } else { - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, - COMMON_NTWK_LINK_STATUS_QUERY); - - rc.length = FIELD_SIZEOF(struct FWCMD_COMMON_NTWK_LINK_STATUS_QUERY, - params.response); - rc.fwcmd_offset = offsetof(struct FWCMD_COMMON_NTWK_LINK_STATUS_QUERY, - params.response); - rc.va = link_status; - /* Post or queue the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt, - cb, cb_context, NULL, NULL, fwcmd, &rc); - - if (status < 0) { - TRACE(DL_ERR, "link status fwcmd failed."); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -int -be_rxf_query_eth_statistics(struct be_function_object *pfob, - struct FWCMD_ETH_GET_STATISTICS *va_for_fwcmd, - u64 pa_for_fwcmd, mcc_wrb_cqe_callback cb, - void *cb_context, - struct be_nonembedded_q_ctxt *q_ctxt) -{ - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - struct be_generic_q_ctxt *generic_ctxt = NULL; - unsigned long irql; - - ASSERT(va_for_fwcmd); - ASSERT(pa_for_fwcmd); - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - - if (!wrb) { - if (q_ctxt && cb) { - wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header; - generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt; - generic_ctxt->context.bytes = sizeof(*q_ctxt); - } else { - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - } - - TRACE(DL_INFO, "Query eth stats. fwcmd va:%p pa:0x%08x_%08x", - va_for_fwcmd, upper_32_bits(pa_for_fwcmd), (u32)pa_for_fwcmd); - - /* Prepares an embedded fwcmd, including request/response sizes. */ - va_for_fwcmd = BE_PREPARE_NONEMBEDDED_FWCMD(pfob, wrb, - va_for_fwcmd, pa_for_fwcmd, ETH_GET_STATISTICS); - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt, - cb, cb_context, NULL, NULL, va_for_fwcmd, NULL); - if (status < 0) { - TRACE(DL_ERR, "eth stats fwcmd failed."); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - -int -be_rxf_promiscuous(struct be_function_object *pfob, - bool enable_port0, bool enable_port1, - mcc_wrb_cqe_callback cb, void *cb_context, - struct be_promiscuous_q_ctxt *q_ctxt) -{ - struct FWCMD_ETH_PROMISCUOUS *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - struct be_generic_q_ctxt *generic_ctxt = NULL; - unsigned long irql; - - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - - if (!wrb) { - if (q_ctxt && cb) { - wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header; - generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt; - generic_ctxt->context.bytes = sizeof(*q_ctxt); - } else { - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, ETH_PROMISCUOUS); - - fwcmd->params.request.port0_promiscuous = enable_port0; - fwcmd->params.request.port1_promiscuous = enable_port1; - - /* Post the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt, - cb, cb_context, NULL, NULL, fwcmd, NULL); - - if (status < 0) { - TRACE(DL_ERR, "promiscuous fwcmd failed."); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} - - -/* - *------------------------------------------------------------------------- - * Function: be_rxf_filter_config - * Configures BladeEngine ethernet receive filter settings. - * pfob - - * settings - Pointer to the requested filter settings. - * The response from BladeEngine will be placed back - * in this structure. - * cb - optional - * cb_context - optional - * q_ctxt - Optional. Pointer to a previously allocated struct. - * If the MCC WRB ring is full, this structure is - * used to queue the operation. It will be posted - * to the MCC ring when space becomes available. All - * queued commands will be posted to the ring in - * the order they are received. It is always valid - * to pass a pointer to a generic - * be_generic_q_ctxt. However, the specific - * context structs are generally smaller than - * the generic struct. - * return pend_status - BE_SUCCESS (0) on success. - * BE_PENDING (postive value) if the FWCMD - * completion is pending. Negative error code on failure. - *--------------------------------------------------------------------------- - */ -int -be_rxf_filter_config(struct be_function_object *pfob, - struct NTWK_RX_FILTER_SETTINGS *settings, - mcc_wrb_cqe_callback cb, void *cb_context, - struct be_rxf_filter_q_ctxt *q_ctxt) -{ - struct FWCMD_COMMON_NTWK_RX_FILTER *fwcmd = NULL; - struct MCC_WRB_AMAP *wrb = NULL; - int status = 0; - struct be_generic_q_ctxt *generic_ctxt = NULL; - unsigned long irql; - struct be_mcc_wrb_response_copy rc; - - ASSERT(settings); - - spin_lock_irqsave(&pfob->post_lock, irql); - - wrb = be_function_peek_mcc_wrb(pfob); - - if (!wrb) { - if (q_ctxt && cb) { - wrb = (struct MCC_WRB_AMAP *) &q_ctxt->wrb_header; - generic_ctxt = (struct be_generic_q_ctxt *) q_ctxt; - generic_ctxt->context.bytes = sizeof(*q_ctxt); - } else { - status = BE_STATUS_NO_MCC_WRB; - goto Error; - } - } - /* Prepares an embedded fwcmd, including request/response sizes. */ - fwcmd = BE_PREPARE_EMBEDDED_FWCMD(pfob, wrb, COMMON_NTWK_RX_FILTER); - memcpy(&fwcmd->params.request, settings, sizeof(*settings)); - - rc.length = FIELD_SIZEOF(struct FWCMD_COMMON_NTWK_RX_FILTER, - params.response); - rc.fwcmd_offset = offsetof(struct FWCMD_COMMON_NTWK_RX_FILTER, - params.response); - rc.va = settings; - /* Post or queue the f/w command */ - status = be_function_post_mcc_wrb(pfob, wrb, generic_ctxt, - cb, cb_context, NULL, NULL, fwcmd, &rc); - - if (status < 0) { - TRACE(DL_ERR, "RXF/ERX filter config fwcmd failed."); - goto Error; - } - -Error: - spin_unlock_irqrestore(&pfob->post_lock, irql); - if (pfob->pend_queue_driving && pfob->mcc) { - pfob->pend_queue_driving = 0; - be_drive_mcc_wrb_queue(pfob->mcc); - } - return status; -} |