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Message-ID: <201008110436.o7B4aaC7008167@blc-10-10.brocade.com>
Date: Tue, 10 Aug 2010 21:36:36 -0700
From: Rasesh Mody <rmody@...cade.com>
To: <netdev@...r.kernel.org>
CC: <adapter_linux_open_src_team@...cade.com>
Subject: [PATCH 3/6] bna: Brocade 10Gb Ethernet device driver
From: Rasesh Mody <rmody@...cade.com>
This is patch 3/6 which contains linux driver source for
Brocade's BR1010/BR1020 10Gb CEE capable ethernet adapter.
Source is based against net-next-2.6.
We wish this patch to be considered for inclusion in net-next-2.6
Signed-off-by: Rasesh Mody <rmody@...cade.com>
---
bfa_cee.c | 407 +++++
bna_txrx.c | 4209 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
cna_fwimg.c | 64
3 files changed, 4680 insertions(+)
diff -ruP net-next-2.6.35-rc1-orig/drivers/net/bna/bfa_cee.c net-next-2.6.35-rc1-mod/drivers/net/bna/bfa_cee.c
--- net-next-2.6.35-rc1-orig/drivers/net/bna/bfa_cee.c 1969-12-31 16:00:00.000000000 -0800
+++ net-next-2.6.35-rc1-mod/drivers/net/bna/bfa_cee.c 2010-08-10 12:23:09.427214000 -0700
@@ -0,0 +1,407 @@
+/*
+ * Linux network driver for Brocade 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) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ */
+
+#include "bfa_defs_cna.h"
+#include "cna.h"
+#include "bfa_cee.h"
+#include "bfi_cna.h"
+#include "bfa_ioc.h"
+
+#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
+#define bfa_lpuid(__arg) bfa_ioc_portid(&(__arg)->ioc)
+
+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);
+}
+
+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]);
+ }
+}
+
+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);
+}
+
+/**
+ * bfa_cee_attr_meminfo()
+ *
+ * @brief Returns the size of the DMA memory needed by CEE attributes
+ *
+ * @param[in] void
+ *
+ * @return Size of DMA region
+ */
+static u32
+bfa_cee_attr_meminfo(void)
+{
+ return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ);
+}
+/**
+ * bfa_cee_stats_meminfo()
+ *
+ * @brief Returns the size of the DMA memory needed by CEE stats
+ *
+ * @param[in] void
+ *
+ * @return Size of DMA region
+ */
+static u32
+bfa_cee_stats_meminfo(void)
+{
+ return roundup(sizeof(struct bfa_cee_stats), BFA_DMA_ALIGN_SZ);
+}
+
+/**
+ * bfa_cee_get_attr_isr()
+ *
+ * @brief CEE ISR for get-attributes 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_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);
+}
+
+/**
+ * bfa_cee_get_attr_isr()
+ *
+ * @brief CEE ISR for get-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_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);
+}
+
+/**
+ * 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);
+}
+/**
+ * bfa_cee_meminfo()
+ *
+ * @brief Returns the size of the DMA memory needed by CEE module
+ *
+ * @param[in] void
+ *
+ * @return Size of DMA region
+ */
+u32
+bfa_cee_meminfo(void)
+{
+ return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo();
+}
+
+/**
+ * bfa_cee_mem_claim()
+ *
+ * @brief Initialized CEE DMA Memory
+ *
+ * @param[in] cee CEE module pointer
+ * dma_kva Kernel Virtual Address of CEE DMA Memory
+ * dma_pa Physical Address of CEE DMA Memory
+ *
+ * @return void
+ */
+void
+bfa_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());
+}
+
+/**
+ * bfa_cee_get_attr()
+ *
+ * @brief
+ * Send the request to the f/w to fetch CEE attributes.
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return Status
+ */
+
+enum bfa_status
+bfa_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_ioc_is_operational(cee->ioc))
+ return BFA_STATUS_IOC_FAILURE;
+ if (cee->get_attr_pending == true)
+ 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_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * bfa_cee_get_stats()
+ *
+ * @brief
+ * Send the request to the f/w to fetch CEE statistics.
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return Status
+ */
+
+enum bfa_status
+bfa_cee_get_stats(struct bfa_cee *cee, struct bfa_cee_stats *stats,
+ bfa_cee_get_stats_cbfn_t cbfn, void *cbarg)
+{
+ struct bfi_cee_get_req *cmd;
+
+ BUG_ON(!((cee != NULL) && (cee->ioc != NULL)));
+
+ if (!bfa_ioc_is_operational(cee->ioc))
+ return BFA_STATUS_IOC_FAILURE;
+ if (cee->get_stats_pending == true)
+ return BFA_STATUS_DEVBUSY;
+ cee->get_stats_pending = true;
+ cmd = (struct bfi_cee_get_req *) cee->get_stats_mb.msg;
+ cee->stats = stats;
+ cee->cbfn.get_stats_cbfn = cbfn;
+ cee->cbfn.get_stats_cbarg = cbarg;
+ bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_STATS_REQ,
+ bfa_ioc_portid(cee->ioc));
+ bfa_dma_be_addr_set(cmd->dma_addr, cee->stats_dma.pa);
+ bfa_ioc_mbox_queue(cee->ioc, &cee->get_stats_mb);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * bfa_cee_reset_stats()
+ *
+ * @brief Clears CEE Stats in the f/w.
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return Status
+ */
+
+enum bfa_status
+bfa_cee_reset_stats(struct bfa_cee *cee, bfa_cee_reset_stats_cbfn_t cbfn,
+ void *cbarg)
+{
+ struct bfi_cee_reset_stats *cmd;
+
+ BUG_ON(!((cee != NULL) && (cee->ioc != NULL)));
+ if (!bfa_ioc_is_operational(cee->ioc))
+ return BFA_STATUS_IOC_FAILURE;
+ if (cee->reset_stats_pending == true)
+ return BFA_STATUS_DEVBUSY;
+ cee->reset_stats_pending = true;
+ cmd = (struct bfi_cee_reset_stats *) cee->reset_stats_mb.msg;
+ cee->cbfn.reset_stats_cbfn = cbfn;
+ cee->cbfn.reset_stats_cbarg = cbarg;
+ bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_RESET_STATS,
+ bfa_ioc_portid(cee->ioc));
+ bfa_ioc_mbox_queue(cee->ioc, &cee->reset_stats_mb);
+ return BFA_STATUS_OK;
+}
+
+/**
+ * bfa_cee_isrs()
+ *
+ * @brief Handles Mail-box interrupts for CEE module.
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return void
+ */
+
+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);
+ }
+}
+
+/**
+ * bfa_cee_hbfail()
+ *
+ * @brief CEE module heart-beat failure handler.
+ *
+ * @param[in] Pointer to the CEE module data structure.
+ *
+ * @return void
+ */
+
+void
+bfa_cee_hbfail(void *arg)
+{
+ struct bfa_cee *cee;
+ cee = (struct bfa_cee *) arg;
+
+ if (cee->get_attr_pending == true) {
+ 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 == true) {
+ 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 == true) {
+ 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);
+ }
+ }
+}
+
+/**
+ * bfa_cee_attach()
+ *
+ * @brief CEE module-attach API
+ *
+ * @param[in] 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.
+ *
+ * @return void
+ */
+void
+bfa_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc,
+ void *dev)
+{
+ BUG_ON(!(cee != NULL));
+ cee->dev = dev;
+ cee->ioc = ioc;
+
+ bfa_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee);
+ bfa_ioc_hbfail_init(&cee->hbfail, bfa_cee_hbfail, cee);
+ bfa_ioc_hbfail_register(cee->ioc, &cee->hbfail);
+}
+
+/**
+ * bfa_cee_detach()
+ *
+ * @brief CEE module-detach API
+ *
+ * @param[in] cee - Pointer to the CEE module data structure
+ *
+ * @return void
+ */
+void
+bfa_cee_detach(struct bfa_cee *cee)
+{
+}
diff -ruP net-next-2.6.35-rc1-orig/drivers/net/bna/bna_txrx.c net-next-2.6.35-rc1-mod/drivers/net/bna/bna_txrx.c
--- net-next-2.6.35-rc1-orig/drivers/net/bna/bna_txrx.c 1969-12-31 16:00:00.000000000 -0800
+++ net-next-2.6.35-rc1-mod/drivers/net/bna/bna_txrx.c 2010-08-10 12:23:09.409220000 -0700
@@ -0,0 +1,4209 @@
+/*
+ * Linux network driver for Brocade 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) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ */
+#include "bna.h"
+#include "bfa_sm.h"
+#include "bfi.h"
+
+/**
+ * IB
+ */
+#define bna_ib_find_free_ibidx(_mask, _pos)\
+do {\
+ (_pos) = 0;\
+ while (((_pos) < (BFI_IBIDX_MAX_SEGSIZE)) &&\
+ ((1 << (_pos)) & (_mask)))\
+ (_pos)++;\
+} while (0)
+
+#define bna_ib_count_ibidx(_mask, _count)\
+do {\
+ int pos = 0;\
+ (_count) = 0;\
+ while (pos < (BFI_IBIDX_MAX_SEGSIZE)) {\
+ if ((1 << pos) & (_mask))\
+ (_count) = pos + 1;\
+ pos++;\
+ } \
+} while (0)
+
+#define bna_ib_select_segpool(_count, _q_idx)\
+do {\
+ int i;\
+ (_q_idx) = -1;\
+ for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {\
+ if ((_count <= ibidx_pool[i].pool_entry_size)) {\
+ (_q_idx) = i;\
+ break;\
+ } \
+ } \
+} while (0)
+
+struct bna_ibidx_pool {
+ int pool_size;
+ int pool_entry_size;
+};
+init_ibidx_pool(ibidx_pool);
+
+static struct bna_intr *
+bna_intr_get(struct bna_ib_mod *ib_mod, enum bna_intr_type intr_type,
+ int vector)
+{
+ struct bna_intr *intr;
+ struct list_head *qe;
+
+ list_for_each(qe, &ib_mod->intr_active_q) {
+ intr = (struct bna_intr *)qe;
+
+ if ((intr->intr_type == intr_type) &&
+ (intr->vector == vector)) {
+ intr->ref_count++;
+ return intr;
+ }
+ }
+
+ if (list_empty(&ib_mod->intr_free_q))
+ return NULL;
+
+ bfa_q_deq(&ib_mod->intr_free_q, &intr);
+ bfa_q_qe_init(&intr->qe);
+
+ intr->ref_count = 1;
+ intr->intr_type = intr_type;
+ intr->vector = vector;
+
+ list_add_tail(&intr->qe, &ib_mod->intr_active_q);
+
+ return intr;
+}
+
+static void
+bna_intr_put(struct bna_ib_mod *ib_mod,
+ struct bna_intr *intr)
+{
+ intr->ref_count--;
+
+ if (intr->ref_count == 0) {
+ intr->ib = NULL;
+ list_del(&intr->qe);
+ bfa_q_qe_init(&intr->qe);
+ list_add_tail(&intr->qe, &ib_mod->intr_free_q);
+ }
+}
+
+void
+bna_ib_mod_init(struct bna_ib_mod *ib_mod, struct bna *bna,
+ struct bna_res_info *res_info)
+{
+ int i;
+ int j;
+ int count;
+ u8 offset;
+ struct bna_doorbell_qset *qset;
+ unsigned long off;
+
+ ib_mod->bna = bna;
+
+ ib_mod->ib = (struct bna_ib *)
+ res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mdl[0].kva;
+ ib_mod->intr = (struct bna_intr *)
+ res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mdl[0].kva;
+ ib_mod->idx_seg = (struct bna_ibidx_seg *)
+ res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mdl[0].kva;
+
+ INIT_LIST_HEAD(&ib_mod->ib_free_q);
+ INIT_LIST_HEAD(&ib_mod->intr_free_q);
+ INIT_LIST_HEAD(&ib_mod->intr_active_q);
+
+ for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++)
+ INIT_LIST_HEAD(&ib_mod->ibidx_seg_pool[i]);
+
+ for (i = 0; i < BFI_MAX_IB; i++) {
+ ib_mod->ib[i].ib_id = i;
+
+ ib_mod->ib[i].ib_seg_host_addr_kva =
+ res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].kva;
+ ib_mod->ib[i].ib_seg_host_addr.lsb =
+ res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.lsb;
+ ib_mod->ib[i].ib_seg_host_addr.msb =
+ res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mdl[i].dma.msb;
+
+ qset = (struct bna_doorbell_qset *)0;
+ off = (unsigned long)(&qset[i >> 1].ib0[(i & 0x1)
+ * (0x20 >> 2)]);
+ ib_mod->ib[i].door_bell.doorbell_addr = off +
+ BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva);
+
+ bfa_q_qe_init(&ib_mod->ib[i].qe);
+ list_add_tail(&ib_mod->ib[i].qe, &ib_mod->ib_free_q);
+
+ bfa_q_qe_init(&ib_mod->intr[i].qe);
+ list_add_tail(&ib_mod->intr[i].qe, &ib_mod->intr_free_q);
+ }
+
+ count = 0;
+ offset = 0;
+ for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {
+ for (j = 0; j < ibidx_pool[i].pool_size; j++) {
+ bfa_q_qe_init(&ib_mod->idx_seg[count]);
+ ib_mod->idx_seg[count].ib_seg_size =
+ ibidx_pool[i].pool_entry_size;
+ ib_mod->idx_seg[count].ib_idx_tbl_offset = offset;
+ list_add_tail(&ib_mod->idx_seg[count].qe,
+ &ib_mod->ibidx_seg_pool[i]);
+ count++;
+ offset += ibidx_pool[i].pool_entry_size;
+ }
+ }
+}
+
+void
+bna_ib_mod_uninit(struct bna_ib_mod *ib_mod)
+{
+ int i;
+ int j;
+ struct list_head *qe;
+
+ i = 0;
+ list_for_each(qe, &ib_mod->ib_free_q)
+ i++;
+
+ i = 0;
+ list_for_each(qe, &ib_mod->intr_free_q)
+ i++;
+
+ for (i = 0; i < BFI_IBIDX_TOTAL_POOLS; i++) {
+ j = 0;
+ list_for_each(qe, &ib_mod->ibidx_seg_pool[i])
+ j++;
+ }
+
+ ib_mod->bna = NULL;
+}
+
+struct bna_ib *
+bna_ib_get(struct bna_ib_mod *ib_mod,
+ enum bna_intr_type intr_type,
+ int vector)
+{
+ struct bna_ib *ib;
+ struct bna_intr *intr;
+
+ if (intr_type == BNA_INTR_T_INTX)
+ vector = (1 << vector);
+
+ intr = bna_intr_get(ib_mod, intr_type, vector);
+ if (intr == NULL)
+ return NULL;
+
+ if (intr->ib) {
+ if (intr->ib->ref_count == BFI_IBIDX_MAX_SEGSIZE) {
+ bna_intr_put(ib_mod, intr);
+ return NULL;
+ }
+ intr->ib->ref_count++;
+ return intr->ib;
+ }
+
+ if (list_empty(&ib_mod->ib_free_q)) {
+ bna_intr_put(ib_mod, intr);
+ return NULL;
+ }
+
+ bfa_q_deq(&ib_mod->ib_free_q, &ib);
+ bfa_q_qe_init(&ib->qe);
+
+ ib->ref_count = 1;
+ ib->start_count = 0;
+ ib->idx_mask = 0;
+
+ ib->intr = intr;
+ ib->idx_seg = NULL;
+ intr->ib = ib;
+
+ ib->bna = ib_mod->bna;
+
+ return ib;
+}
+
+void
+bna_ib_put(struct bna_ib_mod *ib_mod, struct bna_ib *ib)
+{
+ bna_intr_put(ib_mod, ib->intr);
+
+ ib->ref_count--;
+
+ if (ib->ref_count == 0) {
+ ib->intr = NULL;
+ ib->bna = NULL;
+ list_add_tail(&ib->qe, &ib_mod->ib_free_q);
+ }
+}
+
+/* Returns index offset - starting from 0 */
+int
+bna_ib_reserve_idx(struct bna_ib *ib)
+{
+ struct bna_ib_mod *ib_mod = &ib->bna->ib_mod;
+ struct bna_ibidx_seg *idx_seg;
+ int idx;
+ int num_idx;
+ int q_idx;
+
+ /* Find the first free index position */
+ bna_ib_find_free_ibidx(ib->idx_mask, idx);
+ if (idx == BFI_IBIDX_MAX_SEGSIZE)
+ return -1;
+
+ /*
+ * Calculate the total number of indexes held by this IB,
+ * including the index newly reserved above.
+ */
+ bna_ib_count_ibidx((ib->idx_mask | (1 << idx)), num_idx);
+
+ /* See if there is a free space in the index segment held by this IB */
+ if (ib->idx_seg && (num_idx <= ib->idx_seg->ib_seg_size)) {
+ ib->idx_mask |= (1 << idx);
+ return idx;
+ }
+
+ if (ib->start_count)
+ return -1;
+
+ /* Allocate a new segment */
+ bna_ib_select_segpool(num_idx, q_idx);
+ while (1) {
+ if (q_idx == BFI_IBIDX_TOTAL_POOLS)
+ return -1;
+ if (!list_empty(&ib_mod->ibidx_seg_pool[q_idx]))
+ break;
+ q_idx++;
+ }
+ bfa_q_deq(&ib_mod->ibidx_seg_pool[q_idx], &idx_seg);
+ bfa_q_qe_init(&idx_seg->qe);
+
+ /* Free the old segment */
+ if (ib->idx_seg) {
+ bna_ib_select_segpool(ib->idx_seg->ib_seg_size, q_idx);
+ list_add_tail(&ib->idx_seg->qe, &ib_mod->ibidx_seg_pool[q_idx]);
+ }
+
+ ib->idx_seg = idx_seg;
+
+ ib->idx_mask |= (1 << idx);
+
+ return idx;
+}
+
+void
+bna_ib_release_idx(struct bna_ib *ib, int idx)
+{
+ struct bna_ib_mod *ib_mod = &ib->bna->ib_mod;
+ struct bna_ibidx_seg *idx_seg;
+ int num_idx;
+ int cur_q_idx;
+ int new_q_idx;
+
+ ib->idx_mask &= ~(1 << idx);
+
+ if (ib->start_count)
+ return;
+
+ bna_ib_count_ibidx(ib->idx_mask, num_idx);
+
+ /*
+ * Free the segment, if there are no more indexes in the segment
+ * held by this IB
+ */
+ if (!num_idx) {
+ bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx);
+ list_add_tail(&ib->idx_seg->qe,
+ &ib_mod->ibidx_seg_pool[cur_q_idx]);
+ ib->idx_seg = NULL;
+ return;
+ }
+
+ /* See if we can move to a smaller segment */
+ bna_ib_select_segpool(num_idx, new_q_idx);
+ bna_ib_select_segpool(ib->idx_seg->ib_seg_size, cur_q_idx);
+ while (new_q_idx < cur_q_idx) {
+ if (!list_empty(&ib_mod->ibidx_seg_pool[new_q_idx]))
+ break;
+ new_q_idx++;
+ }
+ if (new_q_idx < cur_q_idx) {
+ /* Select the new smaller segment */
+ bfa_q_deq(&ib_mod->ibidx_seg_pool[new_q_idx], &idx_seg);
+ bfa_q_qe_init(&idx_seg->qe);
+ /* Free the old segment */
+ list_add_tail(&ib->idx_seg->qe,
+ &ib_mod->ibidx_seg_pool[cur_q_idx]);
+ ib->idx_seg = idx_seg;
+ }
+}
+
+int
+bna_ib_config(struct bna_ib *ib, struct bna_ib_config *ib_config)
+{
+ if (ib->start_count)
+ return -1;
+
+ ib->ib_config.coalescing_timeo = ib_config->coalescing_timeo;
+ ib->ib_config.interpkt_timeo = ib_config->interpkt_timeo;
+ ib->ib_config.interpkt_count = ib_config->interpkt_count;
+ ib->ib_config.ctrl_flags = ib_config->ctrl_flags;
+
+ ib->ib_config.ctrl_flags |= BFI_IB_CF_MASTER_ENABLE;
+ if (ib->intr->intr_type == BNA_INTR_T_MSIX)
+ ib->ib_config.ctrl_flags |= BFI_IB_CF_MSIX_MODE;
+
+ return 0;
+}
+
+void
+bna_ib_start(struct bna_ib *ib)
+{
+ struct bna_ib_blk_mem ib_cfg;
+ struct bna_ib_blk_mem *ib_mem;
+ u32 pg_num;
+ u32 intx_mask;
+ int i;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ ib->start_count++;
+
+ if (ib->start_count > 1)
+ return;
+
+ ib_cfg.host_addr_lo = (u32)(ib->ib_seg_host_addr.lsb);
+ ib_cfg.host_addr_hi = (u32)(ib->ib_seg_host_addr.msb);
+
+ ib_cfg.clsc_n_ctrl_n_msix = (((u32)
+ ib->ib_config.coalescing_timeo << 16) |
+ ((u32)ib->ib_config.ctrl_flags << 8) |
+ (ib->intr->vector));
+ ib_cfg.ipkt_n_ent_n_idxof =
+ ((u32)
+ (ib->ib_config.interpkt_timeo & 0xf) << 16) |
+ ((u32)ib->idx_seg->ib_seg_size << 8) |
+ (ib->idx_seg->ib_idx_tbl_offset);
+ ib_cfg.ipkt_cnt_cfg_n_unacked = ((u32)
+ ib->ib_config.interpkt_count << 24);
+
+ pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num,
+ HQM_IB_RAM_BASE_OFFSET);
+ writel(pg_num, ib->bna->regs.page_addr);
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva,
+ HQM_IB_RAM_BASE_OFFSET);
+
+ ib_mem = (struct bna_ib_blk_mem *)0;
+ off = (unsigned long)&ib_mem[ib->ib_id].host_addr_lo;
+ writel(htonl(ib_cfg.host_addr_lo), base_addr + off);
+
+ off = (unsigned long)&ib_mem[ib->ib_id].host_addr_hi;
+ writel(htonl(ib_cfg.host_addr_hi), base_addr + off);
+
+ off = (unsigned long)&ib_mem[ib->ib_id].clsc_n_ctrl_n_msix;
+ writel(ib_cfg.clsc_n_ctrl_n_msix, base_addr + off);
+
+ off = (unsigned long)&ib_mem[ib->ib_id].ipkt_n_ent_n_idxof;
+ writel(ib_cfg.ipkt_n_ent_n_idxof, base_addr + off);
+
+ off = (unsigned long)&ib_mem[ib->ib_id].ipkt_cnt_cfg_n_unacked;
+ writel(ib_cfg.ipkt_cnt_cfg_n_unacked, base_addr + off);
+
+ ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
+ (u32)ib->ib_config.coalescing_timeo, 0);
+
+ pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + ib->bna->port_num,
+ HQM_INDX_TBL_RAM_BASE_OFFSET);
+ writel(pg_num, ib->bna->regs.page_addr);
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(ib->bna->pcidev.pci_bar_kva,
+ HQM_INDX_TBL_RAM_BASE_OFFSET);
+ for (i = 0; i < ib->idx_seg->ib_seg_size; i++) {
+ off = (unsigned long)
+ ((ib->idx_seg->ib_idx_tbl_offset + i) * BFI_IBIDX_SIZE);
+ writel(0, base_addr + off);
+ }
+
+ if (ib->intr->intr_type == BNA_INTR_T_INTX) {
+ bna_intx_disable(ib->bna, intx_mask);
+ intx_mask &= ~(ib->intr->vector);
+ bna_intx_enable(ib->bna, intx_mask);
+ }
+}
+
+void
+bna_ib_stop(struct bna_ib *ib)
+{
+ u32 intx_mask;
+
+ ib->start_count--;
+
+ if (ib->start_count == 0) {
+ writel(BNA_DOORBELL_IB_INT_DISABLE,
+ ib->door_bell.doorbell_addr);
+ if (ib->intr->intr_type == BNA_INTR_T_INTX) {
+ bna_intx_disable(ib->bna, intx_mask);
+ intx_mask |= (ib->intr->vector);
+ bna_intx_enable(ib->bna, intx_mask);
+ }
+ }
+}
+
+void
+bna_ib_fail(struct bna_ib *ib)
+{
+ ib->start_count = 0;
+}
+
+/**
+ * RXF
+ */
+static void rxf_enable(struct bna_rxf *rxf);
+static void rxf_disable(struct bna_rxf *rxf);
+static void __rxf_config_set(struct bna_rxf *rxf);
+static void __rxf_rit_set(struct bna_rxf *rxf);
+static void __bna_rxf_stat_clr(struct bna_rxf *rxf);
+static int rxf_process_packet_filter(struct bna_rxf *rxf);
+static int rxf_clear_packet_filter(struct bna_rxf *rxf);
+static void rxf_reset_packet_filter(struct bna_rxf *rxf);
+static void rxf_cb_enabled(void *arg, int status);
+static void rxf_cb_disabled(void *arg, int status);
+static void bna_rxf_cb_stats_cleared(void *arg, int status);
+static void __rxf_enable(struct bna_rxf *rxf);
+static void __rxf_disable(struct bna_rxf *rxf);
+
+bfa_fsm_state_decl(bna_rxf, stopped, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, start_wait, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, cam_fltr_mod_wait, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, started, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, cam_fltr_clr_wait, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, stop_wait, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, pause_wait, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, resume_wait, struct bna_rxf,
+ enum bna_rxf_event);
+bfa_fsm_state_decl(bna_rxf, stat_clr_wait, struct bna_rxf,
+ enum bna_rxf_event);
+
+static struct bfa_sm_table rxf_sm_table[] = {
+ {BFA_SM(bna_rxf_sm_stopped), BNA_RXF_STOPPED},
+ {BFA_SM(bna_rxf_sm_start_wait), BNA_RXF_START_WAIT},
+ {BFA_SM(bna_rxf_sm_cam_fltr_mod_wait), BNA_RXF_CAM_FLTR_MOD_WAIT},
+ {BFA_SM(bna_rxf_sm_started), BNA_RXF_STARTED},
+ {BFA_SM(bna_rxf_sm_cam_fltr_clr_wait), BNA_RXF_CAM_FLTR_CLR_WAIT},
+ {BFA_SM(bna_rxf_sm_stop_wait), BNA_RXF_STOP_WAIT},
+ {BFA_SM(bna_rxf_sm_pause_wait), BNA_RXF_PAUSE_WAIT},
+ {BFA_SM(bna_rxf_sm_resume_wait), BNA_RXF_RESUME_WAIT},
+ {BFA_SM(bna_rxf_sm_stat_clr_wait), BNA_RXF_STAT_CLR_WAIT}
+};
+
+static void
+bna_rxf_sm_stopped_entry(struct bna_rxf *rxf)
+{
+ call_rxf_stop_cbfn(rxf, BNA_CB_SUCCESS);
+}
+
+static void
+bna_rxf_sm_stopped(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_START:
+ bfa_fsm_set_state(rxf, bna_rxf_sm_start_wait);
+ break;
+
+ case RXF_E_STOP:
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_FAIL:
+ /* No-op */
+ break;
+
+ case RXF_E_CAM_FLTR_MOD:
+ call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
+ break;
+
+ case RXF_E_STARTED:
+ case RXF_E_STOPPED:
+ case RXF_E_CAM_FLTR_RESP:
+ /**
+ * These events are received due to flushing of mbox
+ * when device fails
+ */
+ /* No-op */
+ break;
+
+ case RXF_E_PAUSE:
+ rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
+ call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS);
+ break;
+
+ case RXF_E_RESUME:
+ rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
+ call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS);
+ break;
+
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_start_wait_entry(struct bna_rxf *rxf)
+{
+ __rxf_config_set(rxf);
+ __rxf_rit_set(rxf);
+ rxf_enable(rxf);
+}
+
+static void
+bna_rxf_sm_start_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_STOP:
+ /**
+ * STOP is originated from bnad. When this happens,
+ * it can not be waiting for filter update
+ */
+ call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait);
+ break;
+
+ case RXF_E_FAIL:
+ call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
+ call_rxf_start_cbfn(rxf, BNA_CB_FAIL);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_CAM_FLTR_MOD:
+ /* No-op */
+ break;
+
+ case RXF_E_STARTED:
+ /**
+ * Force rxf_process_filter() to go through initial
+ * config
+ */
+ if ((rxf->ucast_active_mac != NULL) &&
+ (rxf->ucast_pending_set == 0))
+ rxf->ucast_pending_set = 1;
+
+ if (rxf->rss_status == BNA_STATUS_T_ENABLED)
+ rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING;
+
+ rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
+
+ bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait);
+ break;
+
+ case RXF_E_PAUSE:
+ case RXF_E_RESUME:
+ rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED;
+ break;
+
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_cam_fltr_mod_wait_entry(struct bna_rxf *rxf)
+{
+ if (!rxf_process_packet_filter(rxf)) {
+ /* No more pending CAM entries to update */
+ bfa_fsm_set_state(rxf, bna_rxf_sm_started);
+ }
+}
+
+static void
+bna_rxf_sm_cam_fltr_mod_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_STOP:
+ /**
+ * STOP is originated from bnad. When this happens,
+ * it can not be waiting for filter update
+ */
+ call_rxf_start_cbfn(rxf, BNA_CB_INTERRUPT);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait);
+ break;
+
+ case RXF_E_FAIL:
+ rxf_reset_packet_filter(rxf);
+ call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
+ call_rxf_start_cbfn(rxf, BNA_CB_FAIL);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_CAM_FLTR_MOD:
+ /* No-op */
+ break;
+
+ case RXF_E_CAM_FLTR_RESP:
+ if (!rxf_process_packet_filter(rxf)) {
+ /* No more pending CAM entries to update */
+ call_rxf_cam_fltr_cbfn(rxf, BNA_CB_SUCCESS);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_started);
+ }
+ break;
+
+ case RXF_E_PAUSE:
+ case RXF_E_RESUME:
+ rxf->rxf_flags |= BNA_RXF_FL_OPERSTATE_CHANGED;
+ break;
+
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_started_entry(struct bna_rxf *rxf)
+{
+ call_rxf_start_cbfn(rxf, BNA_CB_SUCCESS);
+
+ if (rxf->rxf_flags & BNA_RXF_FL_OPERSTATE_CHANGED) {
+ if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
+ bfa_fsm_send_event(rxf, RXF_E_PAUSE);
+ else
+ bfa_fsm_send_event(rxf, RXF_E_RESUME);
+ }
+
+}
+
+static void
+bna_rxf_sm_started(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_STOP:
+ bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_clr_wait);
+ /* Hack to get FSM start clearing CAM entries */
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP);
+ break;
+
+ case RXF_E_FAIL:
+ rxf_reset_packet_filter(rxf);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_CAM_FLTR_MOD:
+ bfa_fsm_set_state(rxf, bna_rxf_sm_cam_fltr_mod_wait);
+ break;
+
+ case RXF_E_PAUSE:
+ bfa_fsm_set_state(rxf, bna_rxf_sm_pause_wait);
+ break;
+
+ case RXF_E_RESUME:
+ bfa_fsm_set_state(rxf, bna_rxf_sm_resume_wait);
+ break;
+
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_cam_fltr_clr_wait_entry(struct bna_rxf *rxf)
+{
+ /**
+ * Note: Do not add rxf_clear_packet_filter here.
+ * It will overstep mbox when this transition happens:
+ * cam_fltr_mod_wait -> cam_fltr_clr_wait on RXF_E_STOP event
+ */
+}
+
+static void
+bna_rxf_sm_cam_fltr_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_FAIL:
+ /**
+ * FSM was in the process of stopping, initiated by
+ * bnad. When this happens, no one can be waiting for
+ * start or filter update
+ */
+ rxf_reset_packet_filter(rxf);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_CAM_FLTR_RESP:
+ if (!rxf_clear_packet_filter(rxf)) {
+ /* No more pending CAM entries to clear */
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stop_wait);
+ rxf_disable(rxf);
+ }
+ break;
+
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_stop_wait_entry(struct bna_rxf *rxf)
+{
+ /**
+ * NOTE: Do not add rxf_disable here.
+ * It will overstep mbox when this transition happens:
+ * start_wait -> stop_wait on RXF_E_STOP event
+ */
+}
+
+static void
+bna_rxf_sm_stop_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_FAIL:
+ /**
+ * FSM was in the process of stopping, initiated by
+ * bnad. When this happens, no one can be waiting for
+ * start or filter update
+ */
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_STARTED:
+ /**
+ * This event is received due to abrupt transition from
+ * bna_rxf_sm_start_wait state on receiving
+ * RXF_E_STOP event
+ */
+ rxf_disable(rxf);
+ break;
+
+ case RXF_E_STOPPED:
+ /**
+ * FSM was in the process of stopping, initiated by
+ * bnad. When this happens, no one can be waiting for
+ * start or filter update
+ */
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stat_clr_wait);
+ break;
+
+ case RXF_E_PAUSE:
+ rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
+ break;
+
+ case RXF_E_RESUME:
+ rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
+ break;
+
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_pause_wait_entry(struct bna_rxf *rxf)
+{
+ rxf->rxf_flags &=
+ ~(BNA_RXF_FL_OPERSTATE_CHANGED | BNA_RXF_FL_RXF_ENABLED);
+ __rxf_disable(rxf);
+}
+
+static void
+bna_rxf_sm_pause_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_FAIL:
+ /**
+ * FSM was in the process of disabling rxf, initiated by
+ * bnad.
+ */
+ call_rxf_pause_cbfn(rxf, BNA_CB_FAIL);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_STOPPED:
+ rxf->rxf_oper_state = BNA_RXF_OPER_STATE_PAUSED;
+ call_rxf_pause_cbfn(rxf, BNA_CB_SUCCESS);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_started);
+ break;
+
+ /*
+ * Since PAUSE/RESUME can only be sent by bnad, we don't expect
+ * any other event during these states
+ */
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_resume_wait_entry(struct bna_rxf *rxf)
+{
+ rxf->rxf_flags &= ~(BNA_RXF_FL_OPERSTATE_CHANGED);
+ rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED;
+ __rxf_enable(rxf);
+}
+
+static void
+bna_rxf_sm_resume_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_FAIL:
+ /**
+ * FSM was in the process of disabling rxf, initiated by
+ * bnad.
+ */
+ call_rxf_resume_cbfn(rxf, BNA_CB_FAIL);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ case RXF_E_STARTED:
+ rxf->rxf_oper_state = BNA_RXF_OPER_STATE_RUNNING;
+ call_rxf_resume_cbfn(rxf, BNA_CB_SUCCESS);
+ bfa_fsm_set_state(rxf, bna_rxf_sm_started);
+ break;
+
+ /*
+ * Since PAUSE/RESUME can only be sent by bnad, we don't expect
+ * any other event during these states
+ */
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+bna_rxf_sm_stat_clr_wait_entry(struct bna_rxf *rxf)
+{
+ __bna_rxf_stat_clr(rxf);
+}
+
+static void
+bna_rxf_sm_stat_clr_wait(struct bna_rxf *rxf, enum bna_rxf_event event)
+{
+ switch (event) {
+ case RXF_E_FAIL:
+ case RXF_E_STAT_CLEARED:
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+ break;
+
+ default:
+ bfa_sm_fault(rxf->rx->bna, event);
+ }
+}
+
+static void
+__rxf_enable(struct bna_rxf *rxf)
+{
+ struct bfi_ll_rxf_multi_req ll_req;
+ u32 bm[2] = {0, 0};
+
+ if (rxf->rxf_id < 32)
+ bm[0] = 1 << rxf->rxf_id;
+ else
+ bm[1] = 1 << (rxf->rxf_id - 32);
+
+ bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0);
+ ll_req.rxf_id_mask[0] = htonl(bm[0]);
+ ll_req.rxf_id_mask[1] = htonl(bm[1]);
+ ll_req.enable = 1;
+
+ bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
+ rxf_cb_enabled, rxf);
+
+ bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
+}
+
+static void
+__rxf_disable(struct bna_rxf *rxf)
+{
+ struct bfi_ll_rxf_multi_req ll_req;
+ u32 bm[2] = {0, 0};
+
+ if (rxf->rxf_id < 32)
+ bm[0] = 1 << rxf->rxf_id;
+ else
+ bm[1] = 1 << (rxf->rxf_id - 32);
+
+ bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RX_REQ, 0);
+ ll_req.rxf_id_mask[0] = htonl(bm[0]);
+ ll_req.rxf_id_mask[1] = htonl(bm[1]);
+ ll_req.enable = 0;
+
+ bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
+ rxf_cb_disabled, rxf);
+
+ bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
+}
+
+static void
+__rxf_config_set(struct bna_rxf *rxf)
+{
+ u32 i;
+ struct bna_rss_mem *rss_mem;
+ struct bna_rx_fndb_ram *rx_fndb_ram;
+ struct bna *bna = rxf->rx->bna;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
+ RSS_TABLE_BASE_OFFSET);
+
+ rss_mem = (struct bna_rss_mem *)0;
+
+ /* Configure RSS if required */
+ if (rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE) {
+ /* configure RSS Table */
+ writel(BNA_GET_PAGE_NUM(RAD0_MEM_BLK_BASE_PG_NUM +
+ bna->port_num, RSS_TABLE_BASE_OFFSET),
+ bna->regs.page_addr);
+
+ /* temporarily disable RSS, while hash value is written */
+ off = (unsigned long)&rss_mem[0].type_n_hash;
+ writel(0, base_addr + off);
+
+ for (i = 0; i < BFI_RSS_HASH_KEY_LEN; i++) {
+ off = (unsigned long)
+ &rss_mem[0].hash_key[(BFI_RSS_HASH_KEY_LEN - 1) - i];
+ writel(htonl(rxf->rss_cfg.toeplitz_hash_key[i]),
+ base_addr + off);
+ }
+
+ off = (unsigned long)&rss_mem[0].type_n_hash;
+ writel(rxf->rss_cfg.hash_type | rxf->rss_cfg.hash_mask,
+ base_addr + off);
+ }
+
+ /* Configure RxF */
+ writel(BNA_GET_PAGE_NUM(
+ LUT0_MEM_BLK_BASE_PG_NUM + (bna->port_num * 2),
+ RX_FNDB_RAM_BASE_OFFSET),
+ bna->regs.page_addr);
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
+ RX_FNDB_RAM_BASE_OFFSET);
+
+ rx_fndb_ram = (struct bna_rx_fndb_ram *)0;
+
+ /* We always use RSS table 0 */
+ off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rss_prop;
+ writel(rxf->ctrl_flags & BNA_RXF_CF_RSS_ENABLE,
+ base_addr + off);
+
+ /* small large buffer enable/disable */
+ off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].size_routing_props;
+ writel((rxf->ctrl_flags & BNA_RXF_CF_SM_LG_RXQ) | 0x80,
+ base_addr + off);
+
+ /* RIT offset, HDS forced offset, multicast RxQ Id */
+ off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].rit_hds_mcastq;
+ writel((rxf->rit_segment->rit_offset << 16) |
+ (rxf->forced_offset << 8) |
+ (rxf->hds_cfg.hdr_type & BNA_HDS_FORCED) | rxf->mcast_rxq_id,
+ base_addr + off);
+
+ /*
+ * default vlan tag, default function enable, strip vlan bytes,
+ * HDS type, header size
+ */
+
+ off = (unsigned long)&rx_fndb_ram[rxf->rxf_id].control_flags;
+ writel(((u32)rxf->default_vlan_tag << 16) |
+ (rxf->ctrl_flags &
+ (BNA_RXF_CF_DEFAULT_VLAN |
+ BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE |
+ BNA_RXF_CF_VLAN_STRIP)) |
+ (rxf->hds_cfg.hdr_type & ~BNA_HDS_FORCED) |
+ rxf->hds_cfg.header_size,
+ base_addr + off);
+}
+
+void
+__rxf_vlan_filter_set(struct bna_rxf *rxf, enum bna_status status)
+{
+ struct bna *bna = rxf->rx->bna;
+ int i;
+
+ writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
+ (bna->port_num * 2), VLAN_RAM_BASE_OFFSET),
+ bna->regs.page_addr);
+
+ if (status == BNA_STATUS_T_ENABLED) {
+ /* enable VLAN filtering on this function */
+ for (i = 0; i <= BFI_MAX_VLAN / 32; i++) {
+ writel(rxf->vlan_filter_table[i],
+ BNA_GET_VLAN_MEM_ENTRY_ADDR
+ (bna->pcidev.pci_bar_kva, rxf->rxf_id,
+ i * 32));
+ }
+ } else {
+ /* disable VLAN filtering on this function */
+ for (i = 0; i <= BFI_MAX_VLAN / 32; i++) {
+ writel(0xffffffff,
+ BNA_GET_VLAN_MEM_ENTRY_ADDR
+ (bna->pcidev.pci_bar_kva, rxf->rxf_id,
+ i * 32));
+ }
+ }
+}
+
+static void
+__rxf_rit_set(struct bna_rxf *rxf)
+{
+ struct bna *bna = rxf->rx->bna;
+ struct bna_rit_mem *rit_mem;
+ int i;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
+ FUNCTION_TO_RXQ_TRANSLATE);
+
+ rit_mem = (struct bna_rit_mem *)0;
+
+ writel(BNA_GET_PAGE_NUM(RXA0_MEM_BLK_BASE_PG_NUM + bna->port_num,
+ FUNCTION_TO_RXQ_TRANSLATE),
+ bna->regs.page_addr);
+
+ for (i = 0; i < rxf->rit_segment->rit_size; i++) {
+ off = (unsigned long)&rit_mem[i + rxf->rit_segment->rit_offset];
+ writel(rxf->rit_segment->rit[i].large_rxq_id << 6 |
+ rxf->rit_segment->rit[i].small_rxq_id,
+ base_addr + off);
+ }
+}
+
+static void
+__bna_rxf_stat_clr(struct bna_rxf *rxf)
+{
+ struct bfi_ll_stats_req ll_req;
+ u32 bm[2] = {0, 0};
+
+ if (rxf->rxf_id < 32)
+ bm[0] = 1 << rxf->rxf_id;
+ else
+ bm[1] = 1 << (rxf->rxf_id - 32);
+
+ bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0);
+ ll_req.stats_mask = 0;
+ ll_req.txf_id_mask[0] = 0;
+ ll_req.txf_id_mask[1] = 0;
+
+ ll_req.rxf_id_mask[0] = htonl(bm[0]);
+ ll_req.rxf_id_mask[1] = htonl(bm[1]);
+
+ bna_mbox_qe_fill(&rxf->mbox_qe, &ll_req, sizeof(ll_req),
+ bna_rxf_cb_stats_cleared, rxf);
+ bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
+}
+
+static void
+rxf_enable(struct bna_rxf *rxf)
+{
+ if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
+ bfa_fsm_send_event(rxf, RXF_E_STARTED);
+ else {
+ rxf->rxf_flags |= BNA_RXF_FL_RXF_ENABLED;
+ __rxf_enable(rxf);
+ }
+}
+
+static void
+rxf_cb_enabled(void *arg, int status)
+{
+ struct bna_rxf *rxf = (struct bna_rxf *)arg;
+
+ bfa_q_qe_init(&rxf->mbox_qe.qe);
+ bfa_fsm_send_event(rxf, RXF_E_STARTED);
+}
+
+static void
+rxf_disable(struct bna_rxf *rxf)
+{
+ if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED)
+ bfa_fsm_send_event(rxf, RXF_E_STOPPED);
+ else
+ rxf->rxf_flags &= ~BNA_RXF_FL_RXF_ENABLED;
+ __rxf_disable(rxf);
+}
+
+static void
+rxf_cb_disabled(void *arg, int status)
+{
+ struct bna_rxf *rxf = (struct bna_rxf *)arg;
+
+ bfa_q_qe_init(&rxf->mbox_qe.qe);
+ bfa_fsm_send_event(rxf, RXF_E_STOPPED);
+}
+
+void
+rxf_cb_cam_fltr_mbox_cmd(void *arg, int status)
+{
+ struct bna_rxf *rxf = (struct bna_rxf *)arg;
+
+ bfa_q_qe_init(&rxf->mbox_qe.qe);
+
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_RESP);
+}
+
+static void
+bna_rxf_cb_stats_cleared(void *arg, int status)
+{
+ struct bna_rxf *rxf = (struct bna_rxf *)arg;
+
+ bfa_q_qe_init(&rxf->mbox_qe.qe);
+ bfa_fsm_send_event(rxf, RXF_E_STAT_CLEARED);
+}
+
+void
+rxf_cam_mbox_cmd(struct bna_rxf *rxf, u8 cmd,
+ const struct bna_mac *mac_addr)
+{
+ struct bfi_ll_mac_addr_req req;
+
+ bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0);
+
+ req.rxf_id = rxf->rxf_id;
+ memcpy(&req.mac_addr, (void *)&mac_addr->addr, ETH_ALEN);
+
+ bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req),
+ rxf_cb_cam_fltr_mbox_cmd, rxf);
+
+ bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
+}
+
+static int
+rxf_process_packet_filter_mcast(struct bna_rxf *rxf)
+{
+ struct bna_mac *mac = NULL;
+ struct list_head *qe;
+
+ /* Add multicast entries */
+ if (!list_empty(&rxf->mcast_pending_add_q)) {
+ bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
+ bfa_q_qe_init(qe);
+ mac = (struct bna_mac *)qe;
+ rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_ADD_REQ, mac);
+ list_add_tail(&mac->qe, &rxf->mcast_active_q);
+ return 1;
+ }
+
+ /* Delete multicast entries previousely added */
+ if (!list_empty(&rxf->mcast_pending_del_q)) {
+ bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
+ bfa_q_qe_init(qe);
+ mac = (struct bna_mac *)qe;
+ rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int
+rxf_process_packet_filter_vlan(struct bna_rxf *rxf)
+{
+ /* Apply the VLAN filter */
+ if (rxf->rxf_flags & BNA_RXF_FL_VLAN_CONFIG_PENDING) {
+ rxf->rxf_flags &= ~BNA_RXF_FL_VLAN_CONFIG_PENDING;
+ if (!(rxf->rxmode_active & BNA_RXMODE_PROMISC) &&
+ !(rxf->rxmode_active & BNA_RXMODE_DEFAULT))
+ __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
+ }
+
+ /* Apply RSS configuration */
+ if (rxf->rxf_flags & BNA_RXF_FL_RSS_CONFIG_PENDING) {
+ rxf->rxf_flags &= ~BNA_RXF_FL_RSS_CONFIG_PENDING;
+ if (rxf->rss_status == BNA_STATUS_T_DISABLED) {
+ /* RSS is being disabled */
+ rxf->ctrl_flags &= ~BNA_RXF_CF_RSS_ENABLE;
+ __rxf_rit_set(rxf);
+ __rxf_config_set(rxf);
+ } else {
+ /* RSS is being enabled or reconfigured */
+ rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE;
+ __rxf_rit_set(rxf);
+ __rxf_config_set(rxf);
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Processes pending ucast, mcast entry addition/deletion and issues mailbox
+ * command. Also processes pending filter configuration - promiscuous mode,
+ * default mode, allmutli mode and issues mailbox command or directly applies
+ * to h/w
+ */
+static int
+rxf_process_packet_filter(struct bna_rxf *rxf)
+{
+ /* Set the default MAC first */
+ if (rxf->ucast_pending_set > 0) {
+ rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_SET_REQ,
+ rxf->ucast_active_mac);
+ rxf->ucast_pending_set--;
+ return 1;
+ }
+
+ if (rxf_process_packet_filter_ucast(rxf))
+ return 1;
+
+ if (rxf_process_packet_filter_mcast(rxf))
+ return 1;
+
+ if (rxf_process_packet_filter_promisc(rxf))
+ return 1;
+
+ if (rxf_process_packet_filter_default(rxf))
+ return 1;
+
+ if (rxf_process_packet_filter_allmulti(rxf))
+ return 1;
+
+ if (rxf_process_packet_filter_vlan(rxf))
+ return 1;
+
+ return 0;
+}
+
+static int
+rxf_clear_packet_filter_mcast(struct bna_rxf *rxf)
+{
+ struct bna_mac *mac = NULL;
+ struct list_head *qe;
+
+ /* 3. delete pending mcast entries */
+ if (!list_empty(&rxf->mcast_pending_del_q)) {
+ bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
+ bfa_q_qe_init(qe);
+ mac = (struct bna_mac *)qe;
+ rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+ return 1;
+ }
+
+ /* 4. clear active mcast entries; move them to pending_add_q */
+ if (!list_empty(&rxf->mcast_active_q)) {
+ bfa_q_deq(&rxf->mcast_active_q, &qe);
+ bfa_q_qe_init(qe);
+ mac = (struct bna_mac *)qe;
+ rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_DEL_REQ, mac);
+ list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * In the rxf stop path, processes pending ucast/mcast delete queue and issues
+ * the mailbox command. Moves the active ucast/mcast entries to pending add q,
+ * so that they are added to CAM again in the rxf start path. Moves the current
+ * filter settings - promiscuous, default, allmutli - to pending filter
+ * configuration
+ */
+static int
+rxf_clear_packet_filter(struct bna_rxf *rxf)
+{
+ if (rxf_clear_packet_filter_ucast(rxf))
+ return 1;
+
+ if (rxf_clear_packet_filter_mcast(rxf))
+ return 1;
+
+ /* 5. clear active default MAC in the CAM */
+ if (rxf->ucast_pending_set > 0)
+ rxf->ucast_pending_set = 0;
+
+ if (rxf_clear_packet_filter_promisc(rxf))
+ return 1;
+
+ if (rxf_clear_packet_filter_default(rxf))
+ return 1;
+
+ if (rxf_clear_packet_filter_allmulti(rxf))
+ return 1;
+
+ return 0;
+}
+
+static void
+rxf_reset_packet_filter_mcast(struct bna_rxf *rxf)
+{
+ struct list_head *qe;
+ struct bna_mac *mac;
+
+ /* 3. Move active mcast entries to pending_add_q */
+ while (!list_empty(&rxf->mcast_active_q)) {
+ bfa_q_deq(&rxf->mcast_active_q, &qe);
+ bfa_q_qe_init(qe);
+ list_add_tail(qe, &rxf->mcast_pending_add_q);
+ }
+
+ /* 4. Throw away delete pending mcast entries */
+ while (!list_empty(&rxf->mcast_pending_del_q)) {
+ bfa_q_deq(&rxf->mcast_pending_del_q, &qe);
+ bfa_q_qe_init(qe);
+ mac = (struct bna_mac *)qe;
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+ }
+}
+
+/**
+ * In the rxf fail path, throws away the ucast/mcast entries pending for
+ * deletion, moves all active ucast/mcast entries to pending queue so that
+ * they are added back to CAM in the rxf start path. Also moves the current
+ * filter configuration to pending filter configuration.
+ */
+static void
+rxf_reset_packet_filter(struct bna_rxf *rxf)
+{
+ rxf_reset_packet_filter_ucast(rxf);
+
+ rxf_reset_packet_filter_mcast(rxf);
+
+ /* 5. Turn off ucast set flag */
+ rxf->ucast_pending_set = 0;
+
+ rxf_reset_packet_filter_promisc(rxf);
+
+ rxf_reset_packet_filter_default(rxf);
+
+ rxf_reset_packet_filter_allmulti(rxf);
+}
+
+void
+bna_rxf_init(struct bna_rxf *rxf,
+ struct bna_rx *rx,
+ struct bna_rx_config *q_config)
+{
+ struct list_head *qe;
+ struct bna_rxp *rxp;
+
+ /* rxf_id is initialized during rx_mod init */
+ rxf->rx = rx;
+
+ INIT_LIST_HEAD(&rxf->ucast_pending_add_q);
+ INIT_LIST_HEAD(&rxf->ucast_pending_del_q);
+ rxf->ucast_pending_set = 0;
+ INIT_LIST_HEAD(&rxf->ucast_active_q);
+ rxf->ucast_active_mac = NULL;
+
+ INIT_LIST_HEAD(&rxf->mcast_pending_add_q);
+ INIT_LIST_HEAD(&rxf->mcast_pending_del_q);
+ INIT_LIST_HEAD(&rxf->mcast_active_q);
+
+ bfa_q_qe_init(&rxf->mbox_qe.qe);
+
+ if (q_config->vlan_strip_status == BNA_STATUS_T_ENABLED)
+ rxf->ctrl_flags |= BNA_RXF_CF_VLAN_STRIP;
+
+ rxf->rxf_oper_state = (q_config->paused) ?
+ BNA_RXF_OPER_STATE_PAUSED : BNA_RXF_OPER_STATE_RUNNING;
+
+ bna_rxf_adv_init(rxf, rx, q_config);
+
+ rxf->rit_segment = bna_rit_mod_seg_get(&rxf->rx->bna->rit_mod,
+ q_config->num_paths);
+
+ list_for_each(qe, &rx->rxp_q) {
+ rxp = (struct bna_rxp *)qe;
+ if (q_config->rxp_type == BNA_RXP_SINGLE)
+ rxf->mcast_rxq_id = rxp->rxq.single.only->rxq_id;
+ else
+ rxf->mcast_rxq_id = rxp->rxq.slr.large->rxq_id;
+ break;
+ }
+
+ rxf->vlan_filter_status = BNA_STATUS_T_DISABLED;
+ memset(rxf->vlan_filter_table, 0,
+ (sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32)));
+
+ bfa_fsm_set_state(rxf, bna_rxf_sm_stopped);
+}
+
+void
+bna_rxf_uninit(struct bna_rxf *rxf)
+{
+ struct bna_mac *mac;
+
+ bna_rit_mod_seg_put(&rxf->rx->bna->rit_mod, rxf->rit_segment);
+ rxf->rit_segment = NULL;
+
+ rxf->ucast_pending_set = 0;
+
+ while (!list_empty(&rxf->ucast_pending_add_q)) {
+ bfa_q_deq(&rxf->ucast_pending_add_q, &mac);
+ bfa_q_qe_init(&mac->qe);
+ bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
+ }
+
+ if (rxf->ucast_active_mac) {
+ bfa_q_qe_init(&rxf->ucast_active_mac->qe);
+ bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod,
+ rxf->ucast_active_mac);
+ rxf->ucast_active_mac = NULL;
+ }
+
+ while (!list_empty(&rxf->mcast_pending_add_q)) {
+ bfa_q_deq(&rxf->mcast_pending_add_q, &mac);
+ bfa_q_qe_init(&mac->qe);
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+ }
+
+ rxf->rx = NULL;
+}
+
+void
+bna_rxf_start(struct bna_rxf *rxf)
+{
+ rxf->start_cbfn = bna_rx_cb_rxf_started;
+ rxf->start_cbarg = rxf->rx;
+ rxf->rxf_flags &= ~BNA_RXF_FL_FAILED;
+ bfa_fsm_send_event(rxf, RXF_E_START);
+}
+
+void
+bna_rxf_stop(struct bna_rxf *rxf)
+{
+ rxf->stop_cbfn = bna_rx_cb_rxf_stopped;
+ rxf->stop_cbarg = rxf->rx;
+ bfa_fsm_send_event(rxf, RXF_E_STOP);
+}
+
+void
+bna_rxf_fail(struct bna_rxf *rxf)
+{
+ rxf->rxf_flags |= BNA_RXF_FL_FAILED;
+ bfa_fsm_send_event(rxf, RXF_E_FAIL);
+}
+
+int
+bna_rxf_state_get(struct bna_rxf *rxf)
+{
+ return bfa_sm_to_state(rxf_sm_table, rxf->fsm);
+}
+
+enum bna_cb_status
+bna_rx_ucast_set(struct bna_rx *rx, u8 *ucmac,
+ void (*cbfn)(struct bnad *, struct bna_rx *,
+ enum bna_cb_status))
+{
+ struct bna_rxf *rxf = &rx->rxf;
+
+ if (rxf->ucast_active_mac == NULL) {
+ rxf->ucast_active_mac =
+ bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod);
+ if (rxf->ucast_active_mac == NULL)
+ return BNA_CB_UCAST_CAM_FULL;
+ bfa_q_qe_init(&rxf->ucast_active_mac->qe);
+ }
+
+ memcpy(rxf->ucast_active_mac->addr, ucmac, ETH_ALEN);
+ rxf->ucast_pending_set++;
+ rxf->cam_fltr_cbfn = cbfn;
+ rxf->cam_fltr_cbarg = rx->bna->bnad;
+
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
+
+ return BNA_CB_SUCCESS;
+}
+
+enum bna_cb_status
+bna_rx_mcast_add(struct bna_rx *rx, u8 *addr,
+ void (*cbfn)(struct bnad *, struct bna_rx *,
+ enum bna_cb_status))
+{
+ struct bna_rxf *rxf = &rx->rxf;
+ struct list_head *qe;
+ struct bna_mac *mac;
+
+ /* Check if already added */
+ list_for_each(qe, &rxf->mcast_active_q) {
+ mac = (struct bna_mac *)qe;
+ if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
+ if (cbfn)
+ (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
+ return BNA_CB_SUCCESS;
+ }
+ }
+
+ /* Check if pending addition */
+ list_for_each(qe, &rxf->mcast_pending_add_q) {
+ mac = (struct bna_mac *)qe;
+ if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
+ if (cbfn)
+ (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
+ return BNA_CB_SUCCESS;
+ }
+ }
+
+ mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
+ if (mac == NULL)
+ return BNA_CB_MCAST_LIST_FULL;
+ bfa_q_qe_init(&mac->qe);
+ memcpy(mac->addr, addr, ETH_ALEN);
+ list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
+
+ rxf->cam_fltr_cbfn = cbfn;
+ rxf->cam_fltr_cbarg = rx->bna->bnad;
+
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
+
+ return BNA_CB_SUCCESS;
+}
+
+enum bna_cb_status
+bna_rx_mcast_del(struct bna_rx *rx, u8 *addr,
+ void (*cbfn)(struct bnad *, struct bna_rx *,
+ enum bna_cb_status))
+{
+ struct bna_rxf *rxf = &rx->rxf;
+ struct list_head *qe;
+ struct bna_mac *mac;
+
+ list_for_each(qe, &rxf->mcast_pending_add_q) {
+ mac = (struct bna_mac *)qe;
+ if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
+ list_del(qe);
+ bfa_q_qe_init(qe);
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+ if (cbfn)
+ (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
+ return BNA_CB_SUCCESS;
+ }
+ }
+
+ list_for_each(qe, &rxf->mcast_active_q) {
+ mac = (struct bna_mac *)qe;
+ if (BNA_MAC_IS_EQUAL(mac->addr, addr)) {
+ list_del(qe);
+ bfa_q_qe_init(qe);
+ list_add_tail(qe, &rxf->mcast_pending_del_q);
+ rxf->cam_fltr_cbfn = cbfn;
+ rxf->cam_fltr_cbarg = rx->bna->bnad;
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
+ return BNA_CB_SUCCESS;
+ }
+ }
+
+ return BNA_CB_INVALID_MAC;
+}
+
+enum bna_cb_status
+bna_rx_mcast_listset(struct bna_rx *rx, int count, u8 *mclist,
+ void (*cbfn)(struct bnad *, struct bna_rx *,
+ enum bna_cb_status))
+{
+ struct bna_rxf *rxf = &rx->rxf;
+ struct list_head list_head;
+ struct list_head *qe;
+ u8 *mcaddr;
+ struct bna_mac *mac;
+ struct bna_mac *mac1;
+ int skip;
+ int delete;
+ int need_hw_config = 0;
+ int i;
+
+ /* Allocate nodes */
+ INIT_LIST_HEAD(&list_head);
+ for (i = 0, mcaddr = mclist; i < count; i++) {
+ mac = bna_mcam_mod_mac_get(&rxf->rx->bna->mcam_mod);
+ if (mac == NULL)
+ goto err_return;
+ bfa_q_qe_init(&mac->qe);
+ memcpy(mac->addr, mcaddr, ETH_ALEN);
+ list_add_tail(&mac->qe, &list_head);
+
+ mcaddr += ETH_ALEN;
+ }
+
+ /* Schedule for addition */
+ while (!list_empty(&list_head)) {
+ bfa_q_deq(&list_head, &qe);
+ mac = (struct bna_mac *)qe;
+ bfa_q_qe_init(&mac->qe);
+
+ skip = 0;
+
+ /* Skip if already added */
+ list_for_each(qe, &rxf->mcast_active_q) {
+ mac1 = (struct bna_mac *)qe;
+ if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) {
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod,
+ mac);
+ skip = 1;
+ break;
+ }
+ }
+
+ if (skip)
+ continue;
+
+ /* Skip if pending addition */
+ list_for_each(qe, &rxf->mcast_pending_add_q) {
+ mac1 = (struct bna_mac *)qe;
+ if (BNA_MAC_IS_EQUAL(mac1->addr, mac->addr)) {
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod,
+ mac);
+ skip = 1;
+ break;
+ }
+ }
+
+ if (skip)
+ continue;
+
+ need_hw_config = 1;
+ list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
+ }
+
+ /**
+ * Delete the entries that are in the pending_add_q but not
+ * in the new list
+ */
+ while (!list_empty(&rxf->mcast_pending_add_q)) {
+ bfa_q_deq(&rxf->mcast_pending_add_q, &qe);
+ mac = (struct bna_mac *)qe;
+ bfa_q_qe_init(&mac->qe);
+ for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) {
+ if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) {
+ delete = 0;
+ break;
+ }
+ mcaddr += ETH_ALEN;
+ }
+ if (delete)
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+ else
+ list_add_tail(&mac->qe, &list_head);
+ }
+ while (!list_empty(&list_head)) {
+ bfa_q_deq(&list_head, &qe);
+ mac = (struct bna_mac *)qe;
+ bfa_q_qe_init(&mac->qe);
+ list_add_tail(&mac->qe, &rxf->mcast_pending_add_q);
+ }
+
+ /**
+ * Schedule entries for deletion that are in the active_q but not
+ * in the new list
+ */
+ while (!list_empty(&rxf->mcast_active_q)) {
+ bfa_q_deq(&rxf->mcast_active_q, &qe);
+ mac = (struct bna_mac *)qe;
+ bfa_q_qe_init(&mac->qe);
+ for (i = 0, mcaddr = mclist, delete = 1; i < count; i++) {
+ if (BNA_MAC_IS_EQUAL(mcaddr, mac->addr)) {
+ delete = 0;
+ break;
+ }
+ mcaddr += ETH_ALEN;
+ }
+ if (delete) {
+ list_add_tail(&mac->qe, &rxf->mcast_pending_del_q);
+ need_hw_config = 1;
+ } else {
+ list_add_tail(&mac->qe, &list_head);
+ }
+ }
+ while (!list_empty(&list_head)) {
+ bfa_q_deq(&list_head, &qe);
+ mac = (struct bna_mac *)qe;
+ bfa_q_qe_init(&mac->qe);
+ list_add_tail(&mac->qe, &rxf->mcast_active_q);
+ }
+
+ if (need_hw_config) {
+ rxf->cam_fltr_cbfn = cbfn;
+ rxf->cam_fltr_cbarg = rx->bna->bnad;
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
+ } else if (cbfn)
+ (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
+
+ return BNA_CB_SUCCESS;
+
+err_return:
+ while (!list_empty(&list_head)) {
+ bfa_q_deq(&list_head, &qe);
+ mac = (struct bna_mac *)qe;
+ bfa_q_qe_init(&mac->qe);
+ bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac);
+ }
+
+ return BNA_CB_MCAST_LIST_FULL;
+}
+
+void
+bna_rx_vlan_add(struct bna_rx *rx, int vlan_id)
+{
+ struct bna_rxf *rxf = &rx->rxf;
+ int index = (vlan_id >> 5);
+ int bit = (1 << (vlan_id & 0x1F));
+
+ rxf->vlan_filter_table[index] |= bit;
+ if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
+ rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
+ }
+}
+
+void
+bna_rx_vlan_del(struct bna_rx *rx, int vlan_id)
+{
+ struct bna_rxf *rxf = &rx->rxf;
+ int index = (vlan_id >> 5);
+ int bit = (1 << (vlan_id & 0x1F));
+
+ rxf->vlan_filter_table[index] &= ~bit;
+ if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) {
+ rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
+ bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
+ }
+}
+
+/**
+ * RX
+ */
+#define RXQ_RCB_INIT(q, rxp, qdepth, bna, _id, unmapq_mem) do { \
+ struct bna_doorbell_qset *_qset; \
+ unsigned long off; \
+ (q)->rcb->producer_index = (q)->rcb->consumer_index = 0; \
+ (q)->rcb->q_depth = (qdepth); \
+ (q)->rcb->unmap_q = unmapq_mem; \
+ (q)->rcb->rxq = (q); \
+ (q)->rcb->cq = &(rxp)->cq; \
+ (q)->rcb->bnad = (bna)->bnad; \
+ _qset = (struct bna_doorbell_qset *)0; \
+ off = (unsigned long)&_qset[(q)->rxq_id].rxq[0]; \
+ (q)->rcb->q_dbell = off + \
+ BNA_GET_DOORBELL_BASE_ADDR((bna)->pcidev.pci_bar_kva); \
+ (q)->rcb->id = _id; \
+} while (0)
+
+#define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \
+ (qcfg)->num_paths : ((qcfg)->num_paths * 2))
+
+#define SIZE_TO_PAGES(size) (((size) >> PAGE_SHIFT) + ((((size) &\
+ (PAGE_SIZE - 1)) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))
+
+#define call_rx_stop_callback(rx, status) \
+ if ((rx)->stop_cbfn) { \
+ (*(rx)->stop_cbfn)((rx)->stop_cbarg, rx, (status)); \
+ (rx)->stop_cbfn = NULL; \
+ (rx)->stop_cbarg = NULL; \
+ }
+
+/*
+ * Since rx_enable is synchronous callback, there is no start_cbfn required.
+ * Instead, we'll call bnad_rx_post(rxp) so that bnad can post the buffers
+ * for each rxpath.
+ */
+
+#define call_rx_disable_cbfn(rx, status) \
+ if ((rx)->disable_cbfn) { \
+ (*(rx)->disable_cbfn)((rx)->disable_cbarg, \
+ status); \
+ (rx)->disable_cbfn = NULL; \
+ (rx)->disable_cbarg = NULL; \
+ } \
+
+#define rxqs_reqd(type, num_rxqs) \
+ (((type) == BNA_RXP_SINGLE) ? (num_rxqs) : ((num_rxqs) * 2))
+
+#define rx_ib_fail(rx) \
+do { \
+ struct bna_rxp *rxp; \
+ struct list_head *qe; \
+ list_for_each(qe, &(rx)->rxp_q) { \
+ rxp = (struct bna_rxp *)qe; \
+ bna_ib_fail(rxp->cq.ib); \
+ } \
+} while (0)
+
+static void __bna_multi_rxq_stop(struct bna_rxp *, u32 *);
+static void __bna_rxq_start(struct bna_rxq *rxq);
+static void __bna_cq_start(struct bna_cq *cq);
+static void bna_rit_create(struct bna_rx *rx);
+static void bna_rx_cb_multi_rxq_stopped(void *arg, int status);
+static void bna_rx_cb_rxq_stopped_all(void *arg);
+
+bfa_fsm_state_decl(bna_rx, stopped,
+ struct bna_rx, enum bna_rx_event);
+bfa_fsm_state_decl(bna_rx, rxf_start_wait,
+ struct bna_rx, enum bna_rx_event);
+bfa_fsm_state_decl(bna_rx, started,
+ struct bna_rx, enum bna_rx_event);
+bfa_fsm_state_decl(bna_rx, rxf_stop_wait,
+ struct bna_rx, enum bna_rx_event);
+bfa_fsm_state_decl(bna_rx, rxq_stop_wait,
+ struct bna_rx, enum bna_rx_event);
+
+static struct bfa_sm_table rx_sm_table[] = {
+ {BFA_SM(bna_rx_sm_stopped), BNA_RX_STOPPED},
+ {BFA_SM(bna_rx_sm_rxf_start_wait), BNA_RX_RXF_START_WAIT},
+ {BFA_SM(bna_rx_sm_started), BNA_RX_STARTED},
+ {BFA_SM(bna_rx_sm_rxf_stop_wait), BNA_RX_RXF_STOP_WAIT},
+ {BFA_SM(bna_rx_sm_rxq_stop_wait), BNA_RX_RXQ_STOP_WAIT},
+};
+
+static void bna_rx_sm_stopped_entry(struct bna_rx *rx)
+{
+ struct bna_rxp *rxp;
+ struct list_head *qe_rxp;
+
+ list_for_each(qe_rxp, &rx->rxp_q) {
+ rxp = (struct bna_rxp *)qe_rxp;
+ rx->rx_cleanup_cbfn(rx->bna->bnad, rxp->cq.ccb);
+ }
+
+ call_rx_stop_callback(rx, BNA_CB_SUCCESS);
+}
+
+static void bna_rx_sm_stopped(struct bna_rx *rx,
+ enum bna_rx_event event)
+{
+ switch (event) {
+ case RX_E_START:
+ bfa_fsm_set_state(rx, bna_rx_sm_rxf_start_wait);
+ break;
+ case RX_E_STOP:
+ call_rx_stop_callback(rx, BNA_CB_SUCCESS);
+ break;
+ case RX_E_FAIL:
+ /* no-op */
+ break;
+ default:
+ bfa_sm_fault(rx->bna, event);
+ break;
+ }
+
+}
+
+static void bna_rx_sm_rxf_start_wait_entry(struct bna_rx *rx)
+{
+ struct bna_rxp *rxp;
+ struct list_head *qe_rxp;
+ struct bna_rxq *q0 = NULL, *q1 = NULL;
+
+ /* Setup the RIT */
+ bna_rit_create(rx);
+
+ list_for_each(qe_rxp, &rx->rxp_q) {
+ rxp = (struct bna_rxp *)qe_rxp;
+ bna_ib_start(rxp->cq.ib);
+ GET_RXQS(rxp, q0, q1);
+ q0->buffer_size = bna_port_mtu_get(&rx->bna->port);
+ __bna_rxq_start(q0);
+ rx->rx_post_cbfn(rx->bna->bnad, q0->rcb);
+ if (q1) {
+ __bna_rxq_start(q1);
+ rx->rx_post_cbfn(rx->bna->bnad, q1->rcb);
+ }
+ __bna_cq_start(&rxp->cq);
+ }
+
+ bna_rxf_start(&rx->rxf);
+}
+
+static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx,
+ enum bna_rx_event event)
+{
+ switch (event) {
+ case RX_E_STOP:
+ bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
+ break;
+ case RX_E_FAIL:
+ bfa_fsm_set_state(rx, bna_rx_sm_stopped);
+ rx_ib_fail(rx);
+ bna_rxf_fail(&rx->rxf);
+ break;
+ case RX_E_RXF_STARTED:
+ bfa_fsm_set_state(rx, bna_rx_sm_started);
+ break;
+ default:
+ bfa_sm_fault(rx->bna, event);
+ break;
+ }
+}
+
+void
+bna_rx_sm_started_entry(struct bna_rx *rx)
+{
+ struct bna_rxp *rxp;
+ struct list_head *qe_rxp;
+
+ /* Start IB */
+ list_for_each(qe_rxp, &rx->rxp_q) {
+ rxp = (struct bna_rxp *)qe_rxp;
+ bna_ib_ack(&rxp->cq.ib->door_bell, 0);
+ }
+
+ bna_llport_admin_up(&rx->bna->port.llport);
+}
+
+void
+bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event)
+{
+ switch (event) {
+ case RX_E_FAIL:
+ bna_llport_admin_down(&rx->bna->port.llport);
+ bfa_fsm_set_state(rx, bna_rx_sm_stopped);
+ rx_ib_fail(rx);
+ bna_rxf_fail(&rx->rxf);
+ break;
+ case RX_E_STOP:
+ bna_llport_admin_down(&rx->bna->port.llport);
+ bfa_fsm_set_state(rx, bna_rx_sm_rxf_stop_wait);
+ break;
+ default:
+ bfa_sm_fault(rx->bna, event);
+ break;
+ }
+}
+
+void
+bna_rx_sm_rxf_stop_wait_entry(struct bna_rx *rx)
+{
+ bna_rxf_stop(&rx->rxf);
+}
+
+void
+bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
+{
+ switch (event) {
+ case RX_E_RXF_STOPPED:
+ bfa_fsm_set_state(rx, bna_rx_sm_rxq_stop_wait);
+ break;
+ case RX_E_RXF_STARTED:
+ /**
+ * RxF was in the process of starting up when
+ * RXF_E_STOP was issued. Ignore this event
+ */
+ break;
+ case RX_E_FAIL:
+ bfa_fsm_set_state(rx, bna_rx_sm_stopped);
+ rx_ib_fail(rx);
+ bna_rxf_fail(&rx->rxf);
+ break;
+ default:
+ bfa_sm_fault(rx->bna, event);
+ break;
+ }
+
+}
+
+void
+bna_rx_sm_rxq_stop_wait_entry(struct bna_rx *rx)
+{
+ struct bna_rxp *rxp = NULL;
+ struct bna_rxq *q0 = NULL;
+ struct bna_rxq *q1 = NULL;
+ struct list_head *qe;
+ u32 rxq_mask[2] = {0, 0};
+
+ /* Only one call to multi-rxq-stop for all RXPs in this RX */
+ bfa_wc_up(&rx->rxq_stop_wc);
+ list_for_each(qe, &rx->rxp_q) {
+ rxp = (struct bna_rxp *)qe;
+ GET_RXQS(rxp, q0, q1);
+ if (q0->rxq_id < 32)
+ rxq_mask[0] |= ((u32)1 << q0->rxq_id);
+ else
+ rxq_mask[1] |= ((u32)1 << (q0->rxq_id - 32));
+ if (q1) {
+ if (q1->rxq_id < 32)
+ rxq_mask[0] |= ((u32)1 << q1->rxq_id);
+ else
+ rxq_mask[1] |= ((u32)
+ 1 << (q1->rxq_id - 32));
+ }
+ }
+
+ __bna_multi_rxq_stop(rxp, rxq_mask);
+}
+
+void
+bna_rx_sm_rxq_stop_wait(struct bna_rx *rx, enum bna_rx_event event)
+{
+ struct bna_rxp *rxp = NULL;
+ struct list_head *qe;
+
+ switch (event) {
+ case RX_E_RXQ_STOPPED:
+ list_for_each(qe, &rx->rxp_q) {
+ rxp = (struct bna_rxp *)qe;
+ bna_ib_stop(rxp->cq.ib);
+ }
+ /* Fall through */
+ case RX_E_FAIL:
+ bfa_fsm_set_state(rx, bna_rx_sm_stopped);
+ break;
+ default:
+ bfa_sm_fault(rx->bna, event);
+ break;
+ }
+}
+
+void
+__bna_multi_rxq_stop(struct bna_rxp *rxp, u32 * rxq_id_mask)
+{
+ struct bfi_ll_q_stop_req ll_req;
+
+ bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_RXQ_STOP_REQ, 0);
+ ll_req.q_id_mask[0] = htonl(rxq_id_mask[0]);
+ ll_req.q_id_mask[1] = htonl(rxq_id_mask[1]);
+ bna_mbox_qe_fill(&rxp->mbox_qe, &ll_req, sizeof(ll_req),
+ bna_rx_cb_multi_rxq_stopped, rxp);
+ bna_mbox_send(rxp->rx->bna, &rxp->mbox_qe);
+}
+
+void
+__bna_rxq_start(struct bna_rxq *rxq)
+{
+ struct bna_rxtx_q_mem *q_mem;
+ struct bna_rxq_mem rxq_cfg, *rxq_mem;
+ struct bna_dma_addr cur_q_addr;
+ /* struct bna_doorbell_qset *qset; */
+ struct bna_qpt *qpt;
+ u32 pg_num;
+ struct bna *bna = rxq->rx->bna;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ qpt = &rxq->qpt;
+ cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr));
+
+ rxq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb;
+ rxq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb;
+ rxq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
+ rxq_cfg.cur_q_entry_hi = cur_q_addr.msb;
+
+ rxq_cfg.pg_cnt_n_prd_ptr = ((u32)qpt->page_count << 16) | 0x0;
+ rxq_cfg.entry_n_pg_size = ((u32)(BFI_RXQ_WI_SIZE >> 2) << 16) |
+ (qpt->page_size >> 2);
+ rxq_cfg.sg_n_cq_n_cns_ptr =
+ ((u32)(rxq->rxp->cq.cq_id & 0xff) << 16) | 0x0;
+ rxq_cfg.buf_sz_n_q_state = ((u32)rxq->buffer_size << 16) |
+ BNA_Q_IDLE_STATE;
+ rxq_cfg.next_qid = 0x0 | (0x3 << 8);
+
+ /* Write the page number register */
+ pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num,
+ HQM_RXTX_Q_RAM_BASE_OFFSET);
+ writel(pg_num, bna->regs.page_addr);
+
+ /* Write to h/w */
+ base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
+ HQM_RXTX_Q_RAM_BASE_OFFSET);
+
+ q_mem = (struct bna_rxtx_q_mem *)0;
+ rxq_mem = &q_mem[rxq->rxq_id].rxq;
+
+ off = (unsigned long)&rxq_mem->pg_tbl_addr_lo;
+ writel(htonl(rxq_cfg.pg_tbl_addr_lo), base_addr + off);
+
+ off = (unsigned long)&rxq_mem->pg_tbl_addr_hi;
+ writel(htonl(rxq_cfg.pg_tbl_addr_hi), base_addr + off);
+
+ off = (unsigned long)&rxq_mem->cur_q_entry_lo;
+ writel(htonl(rxq_cfg.cur_q_entry_lo), base_addr + off);
+
+ off = (unsigned long)&rxq_mem->cur_q_entry_hi;
+ writel(htonl(rxq_cfg.cur_q_entry_hi), base_addr + off);
+
+ off = (unsigned long)&rxq_mem->pg_cnt_n_prd_ptr;
+ writel(rxq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
+
+ off = (unsigned long)&rxq_mem->entry_n_pg_size;
+ writel(rxq_cfg.entry_n_pg_size, base_addr + off);
+
+ off = (unsigned long)&rxq_mem->sg_n_cq_n_cns_ptr;
+ writel(rxq_cfg.sg_n_cq_n_cns_ptr, base_addr + off);
+
+ off = (unsigned long)&rxq_mem->buf_sz_n_q_state;
+ writel(rxq_cfg.buf_sz_n_q_state, base_addr + off);
+
+ off = (unsigned long)&rxq_mem->next_qid;
+ writel(rxq_cfg.next_qid, base_addr + off);
+
+ rxq->rcb->producer_index = 0;
+ rxq->rcb->consumer_index = 0;
+}
+
+void
+__bna_cq_start(struct bna_cq *cq)
+{
+ struct bna_cq_mem cq_cfg, *cq_mem;
+ const struct bna_qpt *qpt;
+ struct bna_dma_addr cur_q_addr;
+ u32 pg_num;
+ struct bna *bna = cq->rx->bna;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ qpt = &cq->qpt;
+ cur_q_addr = *((struct bna_dma_addr *)(qpt->kv_qpt_ptr));
+
+ /*
+ * Fill out structure, to be subsequently written
+ * to hardware
+ */
+ cq_cfg.pg_tbl_addr_lo = qpt->hw_qpt_ptr.lsb;
+ cq_cfg.pg_tbl_addr_hi = qpt->hw_qpt_ptr.msb;
+ cq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
+ cq_cfg.cur_q_entry_hi = cur_q_addr.msb;
+
+ cq_cfg.pg_cnt_n_prd_ptr = (qpt->page_count << 16) | 0x0;
+ cq_cfg.entry_n_pg_size =
+ ((u32)(BFI_CQ_WI_SIZE >> 2) << 16) | (qpt->page_size >> 2);
+ cq_cfg.int_blk_n_cns_ptr = ((((u32)cq->ib_seg_offset) << 24) |
+ ((u32)(cq->ib->ib_id & 0xff) << 16) | 0x0);
+ cq_cfg.q_state = BNA_Q_IDLE_STATE;
+
+ /* Write the page number register */
+ pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + bna->port_num,
+ HQM_CQ_RAM_BASE_OFFSET);
+
+ writel(pg_num, bna->regs.page_addr);
+
+ /* H/W write */
+ base_addr = BNA_GET_MEM_BASE_ADDR(bna->pcidev.pci_bar_kva,
+ HQM_CQ_RAM_BASE_OFFSET);
+
+ cq_mem = (struct bna_cq_mem *)0;
+
+ off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_lo;
+ writel(htonl(cq_cfg.pg_tbl_addr_lo), base_addr + off);
+
+ off = (unsigned long)&cq_mem[cq->cq_id].pg_tbl_addr_hi;
+ writel(htonl(cq_cfg.pg_tbl_addr_hi), base_addr + off);
+
+ off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_lo;
+ writel(htonl(cq_cfg.cur_q_entry_lo), base_addr + off);
+
+ off = (unsigned long)&cq_mem[cq->cq_id].cur_q_entry_hi;
+ writel(htonl(cq_cfg.cur_q_entry_hi), base_addr + off);
+
+ off = (unsigned long)&cq_mem[cq->cq_id].pg_cnt_n_prd_ptr;
+ writel(cq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
+
+ off = (unsigned long)&cq_mem[cq->cq_id].entry_n_pg_size;
+ writel(cq_cfg.entry_n_pg_size, base_addr + off);
+
+ off = (unsigned long)&cq_mem[cq->cq_id].int_blk_n_cns_ptr;
+ writel(cq_cfg.int_blk_n_cns_ptr, base_addr + off);
+
+ off = (unsigned long)&cq_mem[cq->cq_id].q_state;
+ writel(cq_cfg.q_state, base_addr + off);
+
+ cq->ccb->producer_index = 0;
+ *(cq->ccb->hw_producer_index) = 0;
+}
+
+void
+bna_rit_create(struct bna_rx *rx)
+{
+ struct list_head *qe_rxp;
+ struct bna *bna;
+ struct bna_rxp *rxp;
+ struct bna_rxq *q0 = NULL;
+ struct bna_rxq *q1 = NULL;
+ int offset;
+
+ bna = rx->bna;
+
+ offset = 0;
+ list_for_each(qe_rxp, &rx->rxp_q) {
+ rxp = (struct bna_rxp *)qe_rxp;
+ GET_RXQS(rxp, q0, q1);
+ rx->rxf.rit_segment->rit[offset].large_rxq_id = q0->rxq_id;
+ rx->rxf.rit_segment->rit[offset].small_rxq_id =
+ (q1 ? q1->rxq_id : 0);
+ offset++;
+ }
+}
+
+int
+_rx_can_satisfy(struct bna_rx_mod *rx_mod,
+ struct bna_rx_config *rx_cfg)
+{
+ if ((rx_mod->rx_free_count == 0) ||
+ (rx_mod->rxp_free_count == 0) ||
+ (rx_mod->rxq_free_count == 0))
+ return 0;
+
+ if (rx_cfg->rxp_type == BNA_RXP_SINGLE) {
+ if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
+ (rx_mod->rxq_free_count < rx_cfg->num_paths))
+ return 0;
+ } else {
+ if ((rx_mod->rxp_free_count < rx_cfg->num_paths) ||
+ (rx_mod->rxq_free_count < (2 * rx_cfg->num_paths)))
+ return 0;
+ }
+
+ if (!bna_rit_mod_can_satisfy(&rx_mod->bna->rit_mod, rx_cfg->num_paths))
+ return 0;
+
+ return 1;
+}
+
+struct bna_rxq *
+_get_free_rxq(struct bna_rx_mod *rx_mod)
+{
+ struct bna_rxq *rxq = NULL;
+ struct list_head *qe = NULL;
+
+ bfa_q_deq(&rx_mod->rxq_free_q, &qe);
+ if (qe) {
+ rx_mod->rxq_free_count--;
+ rxq = (struct bna_rxq *)qe;
+ }
+ return rxq;
+}
+
+void
+_put_free_rxq(struct bna_rx_mod *rx_mod, struct bna_rxq *rxq)
+{
+ bfa_q_qe_init(&rxq->qe);
+ list_add_tail(&rxq->qe, &rx_mod->rxq_free_q);
+ rx_mod->rxq_free_count++;
+}
+
+struct bna_rxp *
+_get_free_rxp(struct bna_rx_mod *rx_mod)
+{
+ struct list_head *qe = NULL;
+ struct bna_rxp *rxp = NULL;
+
+ bfa_q_deq(&rx_mod->rxp_free_q, &qe);
+ if (qe) {
+ rx_mod->rxp_free_count--;
+
+ rxp = (struct bna_rxp *)qe;
+ }
+
+ return rxp;
+}
+
+void
+_put_free_rxp(struct bna_rx_mod *rx_mod, struct bna_rxp *rxp)
+{
+ bfa_q_qe_init(&rxp->qe);
+ list_add_tail(&rxp->qe, &rx_mod->rxp_free_q);
+ rx_mod->rxp_free_count++;
+}
+
+struct bna_rx *
+_get_free_rx(struct bna_rx_mod *rx_mod)
+{
+ struct list_head *qe = NULL;
+ struct bna_rx *rx = NULL;
+
+ bfa_q_deq(&rx_mod->rx_free_q, &qe);
+ if (qe) {
+ rx_mod->rx_free_count--;
+
+ rx = (struct bna_rx *)qe;
+ bfa_q_qe_init(qe);
+ list_add_tail(&rx->qe, &rx_mod->rx_active_q);
+ }
+
+ return rx;
+}
+
+void
+_put_free_rx(struct bna_rx_mod *rx_mod, struct bna_rx *rx)
+{
+ bfa_q_qe_init(&rx->qe);
+ list_add_tail(&rx->qe, &rx_mod->rx_free_q);
+ rx_mod->rx_free_count++;
+}
+
+void
+_rx_init(struct bna_rx *rx, struct bna *bna)
+{
+ rx->bna = bna;
+ rx->rx_flags = 0;
+
+ INIT_LIST_HEAD(&rx->rxp_q);
+
+ rx->rxq_stop_wc.wc_resume = bna_rx_cb_rxq_stopped_all;
+ rx->rxq_stop_wc.wc_cbarg = rx;
+ rx->rxq_stop_wc.wc_count = 0;
+
+ rx->stop_cbfn = NULL;
+ rx->stop_cbarg = NULL;
+}
+
+void
+_rxp_add_rxqs(struct bna_rxp *rxp,
+ struct bna_rxq *q0,
+ struct bna_rxq *q1)
+{
+ switch (rxp->type) {
+ case BNA_RXP_SINGLE:
+ rxp->rxq.single.only = q0;
+ rxp->rxq.single.reserved = NULL;
+ break;
+ case BNA_RXP_SLR:
+ rxp->rxq.slr.large = q0;
+ rxp->rxq.slr.small = q1;
+ break;
+ case BNA_RXP_HDS:
+ rxp->rxq.hds.data = q0;
+ rxp->rxq.hds.hdr = q1;
+ break;
+ default:
+ break;
+ }
+}
+
+void
+_rxq_qpt_init(struct bna_rxq *rxq,
+ struct bna_rxp *rxp,
+ u32 page_count,
+ u32 page_size,
+ struct bna_mem_descr *qpt_mem,
+ struct bna_mem_descr *swqpt_mem,
+ struct bna_mem_descr *page_mem)
+{
+ int i;
+
+ rxq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
+ rxq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
+ rxq->qpt.kv_qpt_ptr = qpt_mem->kva;
+ rxq->qpt.page_count = page_count;
+ rxq->qpt.page_size = page_size;
+
+ rxq->rcb->sw_qpt = (void **) swqpt_mem->kva;
+
+ for (i = 0; i < rxq->qpt.page_count; i++) {
+ rxq->rcb->sw_qpt[i] = page_mem[i].kva;
+ ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].lsb =
+ page_mem[i].dma.lsb;
+ ((struct bna_dma_addr *)rxq->qpt.kv_qpt_ptr)[i].msb =
+ page_mem[i].dma.msb;
+
+ }
+}
+
+void
+_rxp_cqpt_setup(struct bna_rxp *rxp,
+ u32 page_count,
+ u32 page_size,
+ struct bna_mem_descr *qpt_mem,
+ struct bna_mem_descr *swqpt_mem,
+ struct bna_mem_descr *page_mem)
+{
+ int i;
+
+ rxp->cq.qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
+ rxp->cq.qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
+ rxp->cq.qpt.kv_qpt_ptr = qpt_mem->kva;
+ rxp->cq.qpt.page_count = page_count;
+ rxp->cq.qpt.page_size = page_size;
+
+ rxp->cq.ccb->sw_qpt = (void **) swqpt_mem->kva;
+
+ for (i = 0; i < rxp->cq.qpt.page_count; i++) {
+ rxp->cq.ccb->sw_qpt[i] = page_mem[i].kva;
+
+ ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].lsb =
+ page_mem[i].dma.lsb;
+ ((struct bna_dma_addr *)rxp->cq.qpt.kv_qpt_ptr)[i].msb =
+ page_mem[i].dma.msb;
+
+ }
+}
+
+void
+_rx_add_rxp(struct bna_rx *rx, struct bna_rxp *rxp)
+{
+ list_add_tail(&rxp->qe, &rx->rxp_q);
+}
+
+void
+_init_rxmod_queues(struct bna_rx_mod *rx_mod)
+{
+ INIT_LIST_HEAD(&rx_mod->rx_free_q);
+ INIT_LIST_HEAD(&rx_mod->rxq_free_q);
+ INIT_LIST_HEAD(&rx_mod->rxp_free_q);
+ INIT_LIST_HEAD(&rx_mod->rx_active_q);
+
+ rx_mod->rx_free_count = 0;
+ rx_mod->rxq_free_count = 0;
+ rx_mod->rxp_free_count = 0;
+}
+
+void
+_rx_ctor(struct bna_rx *rx, int id)
+{
+ bfa_q_qe_init(&rx->qe);
+ INIT_LIST_HEAD(&rx->rxp_q);
+ rx->bna = NULL;
+
+ rx->rxf.rxf_id = id;
+
+ /* FIXME: mbox_qe ctor()?? */
+ bfa_q_qe_init(&rx->mbox_qe.qe);
+
+ rx->stop_cbfn = NULL;
+ rx->stop_cbarg = NULL;
+}
+
+void
+bna_rx_cb_multi_rxq_stopped(void *arg, int status)
+{
+ struct bna_rxp *rxp = (struct bna_rxp *)arg;
+
+ bfa_wc_down(&rxp->rx->rxq_stop_wc);
+}
+
+void
+bna_rx_cb_rxq_stopped_all(void *arg)
+{
+ struct bna_rx *rx = (struct bna_rx *)arg;
+
+ bfa_fsm_send_event(rx, RX_E_RXQ_STOPPED);
+}
+
+void
+bna_rx_mod_cb_rx_stopped(void *arg, struct bna_rx *rx,
+ enum bna_cb_status status)
+{
+ struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
+
+ bfa_wc_down(&rx_mod->rx_stop_wc);
+}
+
+void
+bna_rx_mod_cb_rx_stopped_all(void *arg)
+{
+ struct bna_rx_mod *rx_mod = (struct bna_rx_mod *)arg;
+
+ if (rx_mod->stop_cbfn)
+ rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS);
+ rx_mod->stop_cbfn = NULL;
+}
+
+void
+bna_rx_start(struct bna_rx *rx)
+{
+ rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
+ if (rx->rx_flags & BNA_RX_F_ENABLE)
+ bfa_fsm_send_event(rx, RX_E_START);
+}
+
+void
+bna_rx_stop(struct bna_rx *rx)
+{
+ rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED;
+ if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped)
+ bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx, BNA_CB_SUCCESS);
+ else {
+ rx->stop_cbfn = bna_rx_mod_cb_rx_stopped;
+ rx->stop_cbarg = &rx->bna->rx_mod;
+ bfa_fsm_send_event(rx, RX_E_STOP);
+ }
+}
+
+void
+bna_rx_fail(struct bna_rx *rx)
+{
+ /* Indicate port is not enabled, and failed */
+ rx->rx_flags &= ~BNA_RX_F_PORT_ENABLED;
+ rx->rx_flags |= BNA_RX_F_PORT_FAILED;
+ bfa_fsm_send_event(rx, RX_E_FAIL);
+}
+
+void
+bna_rx_cb_rxf_started(struct bna_rx *rx, enum bna_cb_status status)
+{
+ bfa_fsm_send_event(rx, RX_E_RXF_STARTED);
+ if (rx->rxf.rxf_id < 32)
+ rx->bna->rx_mod.rxf_bmap[0] |= ((u32)1 << rx->rxf.rxf_id);
+ else
+ rx->bna->rx_mod.rxf_bmap[1] |= ((u32)
+ 1 << (rx->rxf.rxf_id - 32));
+}
+
+void
+bna_rx_cb_rxf_stopped(struct bna_rx *rx, enum bna_cb_status status)
+{
+ bfa_fsm_send_event(rx, RX_E_RXF_STOPPED);
+ if (rx->rxf.rxf_id < 32)
+ rx->bna->rx_mod.rxf_bmap[0] &= ~(u32)1 << rx->rxf.rxf_id;
+ else
+ rx->bna->rx_mod.rxf_bmap[1] &= ~(u32)
+ 1 << (rx->rxf.rxf_id - 32);
+}
+
+void
+bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
+{
+ struct bna_rx *rx;
+ struct list_head *qe;
+
+ rx_mod->flags |= BNA_RX_MOD_F_PORT_STARTED;
+ if (type == BNA_RX_T_LOOPBACK)
+ rx_mod->flags |= BNA_RX_MOD_F_PORT_LOOPBACK;
+
+ list_for_each(qe, &rx_mod->rx_active_q) {
+ rx = (struct bna_rx *)qe;
+ if (rx->type == type)
+ bna_rx_start(rx);
+ }
+}
+
+void
+bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type)
+{
+ struct bna_rx *rx;
+ struct list_head *qe;
+
+ rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED;
+ rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK;
+
+ rx_mod->stop_cbfn = bna_port_cb_rx_stopped;
+
+ /**
+ * Before calling bna_rx_stop(), increment rx_stop_wc as many times
+ * as we are going to call bna_rx_stop
+ */
+ list_for_each(qe, &rx_mod->rx_active_q) {
+ rx = (struct bna_rx *)qe;
+ if (rx->type == type)
+ bfa_wc_up(&rx_mod->rx_stop_wc);
+ }
+
+ if (rx_mod->rx_stop_wc.wc_count == 0) {
+ rx_mod->stop_cbfn(&rx_mod->bna->port, BNA_CB_SUCCESS);
+ rx_mod->stop_cbfn = NULL;
+ return;
+ }
+
+ list_for_each(qe, &rx_mod->rx_active_q) {
+ rx = (struct bna_rx *)qe;
+ if (rx->type == type)
+ bna_rx_stop(rx);
+ }
+}
+
+void
+bna_rx_mod_fail(struct bna_rx_mod *rx_mod)
+{
+ struct bna_rx *rx;
+ struct list_head *qe;
+
+ rx_mod->flags &= ~BNA_RX_MOD_F_PORT_STARTED;
+ rx_mod->flags &= ~BNA_RX_MOD_F_PORT_LOOPBACK;
+
+ list_for_each(qe, &rx_mod->rx_active_q) {
+ rx = (struct bna_rx *)qe;
+ bna_rx_fail(rx);
+ }
+}
+
+void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
+ struct bna_res_info *res_info)
+{
+ int index;
+ struct bna_rx *rx_ptr;
+ struct bna_rxp *rxp_ptr;
+ struct bna_rxq *rxq_ptr;
+
+ rx_mod->bna = bna;
+ rx_mod->flags = 0;
+
+ rx_mod->rx = (struct bna_rx *)
+ res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mdl[0].kva;
+ rx_mod->rxp = (struct bna_rxp *)
+ res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mdl[0].kva;
+ rx_mod->rxq = (struct bna_rxq *)
+ res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mdl[0].kva;
+
+ /* Initialize the queues */
+ _init_rxmod_queues(rx_mod);
+
+ /* Build RX queues */
+ for (index = 0; index < BFI_MAX_RXQ; index++) {
+ rx_ptr = &rx_mod->rx[index];
+ _rx_ctor(rx_ptr, index);
+ list_add_tail(&rx_ptr->qe, &rx_mod->rx_free_q);
+ rx_mod->rx_free_count++;
+ }
+
+ /* build RX-path queue */
+ for (index = 0; index < BFI_MAX_RXQ; index++) {
+ rxp_ptr = &rx_mod->rxp[index];
+ rxp_ptr->cq.cq_id = index;
+ bfa_q_qe_init(&rxp_ptr->qe);
+ list_add_tail(&rxp_ptr->qe, &rx_mod->rxp_free_q);
+ rx_mod->rxp_free_count++;
+ }
+
+ /* build RXQ queue */
+ for (index = 0; index < BFI_MAX_RXQ; index++) {
+ rxq_ptr = &rx_mod->rxq[index];
+ rxq_ptr->rxq_id = index;
+
+ bfa_q_qe_init(&rxq_ptr->qe);
+ list_add_tail(&rxq_ptr->qe, &rx_mod->rxq_free_q);
+ rx_mod->rxq_free_count++;
+ }
+
+ rx_mod->rx_stop_wc.wc_resume = bna_rx_mod_cb_rx_stopped_all;
+ rx_mod->rx_stop_wc.wc_cbarg = rx_mod;
+ rx_mod->rx_stop_wc.wc_count = 0;
+}
+
+void
+bna_rx_mod_uninit(struct bna_rx_mod *rx_mod)
+{
+ struct list_head *qe;
+ int i;
+
+ i = 0;
+ list_for_each(qe, &rx_mod->rx_free_q)
+ i++;
+
+ i = 0;
+ list_for_each(qe, &rx_mod->rxp_free_q)
+ i++;
+
+ i = 0;
+ list_for_each(qe, &rx_mod->rxq_free_q)
+ i++;
+
+ rx_mod->bna = NULL;
+}
+
+int
+bna_rx_state_get(struct bna_rx *rx)
+{
+ return bfa_sm_to_state(rx_sm_table, rx->fsm);
+}
+
+void
+bna_rx_res_req(struct bna_rx_config *q_cfg, struct bna_res_info *res_info)
+{
+ u32 cq_size, hq_size, dq_size;
+ u32 cpage_count, hpage_count, dpage_count;
+ struct bna_mem_info *mem_info;
+ u32 cq_depth;
+ u32 hq_depth;
+ u32 dq_depth;
+
+ dq_depth = q_cfg->q_depth;
+ hq_depth = ((q_cfg->rxp_type == BNA_RXP_SINGLE) ? 0 : q_cfg->q_depth);
+ cq_depth = dq_depth + hq_depth;
+
+ BNA_TO_POWER_OF_2_HIGH(cq_depth);
+ cq_size = cq_depth * BFI_CQ_WI_SIZE;
+ cq_size = ALIGN(cq_size, PAGE_SIZE);
+ cpage_count = SIZE_TO_PAGES(cq_size);
+
+ BNA_TO_POWER_OF_2_HIGH(dq_depth);
+ dq_size = dq_depth * BFI_RXQ_WI_SIZE;
+ dq_size = ALIGN(dq_size, PAGE_SIZE);
+ dpage_count = SIZE_TO_PAGES(dq_size);
+
+ if (BNA_RXP_SINGLE != q_cfg->rxp_type) {
+ BNA_TO_POWER_OF_2_HIGH(hq_depth);
+ hq_size = hq_depth * BFI_RXQ_WI_SIZE;
+ hq_size = ALIGN(hq_size, PAGE_SIZE);
+ hpage_count = SIZE_TO_PAGES(hq_size);
+ } else {
+ hpage_count = 0;
+ }
+
+ /* CCB structures */
+ res_info[BNA_RX_RES_MEM_T_CCB].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_KVA;
+ mem_info->len = sizeof(struct bna_ccb);
+ mem_info->num = q_cfg->num_paths;
+
+ /* RCB structures */
+ res_info[BNA_RX_RES_MEM_T_RCB].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_KVA;
+ mem_info->len = sizeof(struct bna_rcb);
+ mem_info->num = BNA_GET_RXQS(q_cfg);
+
+ /* Completion QPT */
+ res_info[BNA_RX_RES_MEM_T_CQPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = cpage_count * sizeof(struct bna_dma_addr);
+ mem_info->num = q_cfg->num_paths;
+
+ /* Completion s/w QPT */
+ res_info[BNA_RX_RES_MEM_T_CSWQPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_KVA;
+ mem_info->len = cpage_count * sizeof(void *);
+ mem_info->num = q_cfg->num_paths;
+
+ /* Completion QPT pages */
+ res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = PAGE_SIZE;
+ mem_info->num = cpage_count * q_cfg->num_paths;
+
+ /* Data QPTs */
+ res_info[BNA_RX_RES_MEM_T_DQPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = dpage_count * sizeof(struct bna_dma_addr);
+ mem_info->num = q_cfg->num_paths;
+
+ /* Data s/w QPTs */
+ res_info[BNA_RX_RES_MEM_T_DSWQPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_KVA;
+ mem_info->len = dpage_count * sizeof(void *);
+ mem_info->num = q_cfg->num_paths;
+
+ /* Data QPT pages */
+ res_info[BNA_RX_RES_MEM_T_DPAGE].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = PAGE_SIZE;
+ mem_info->num = dpage_count * q_cfg->num_paths;
+
+ /* Hdr QPTs */
+ res_info[BNA_RX_RES_MEM_T_HQPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = hpage_count * sizeof(struct bna_dma_addr);
+ mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
+
+ /* Hdr s/w QPTs */
+ res_info[BNA_RX_RES_MEM_T_HSWQPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_KVA;
+ mem_info->len = hpage_count * sizeof(void *);
+ mem_info->num = (hpage_count ? q_cfg->num_paths : 0);
+
+ /* Hdr QPT pages */
+ res_info[BNA_RX_RES_MEM_T_HPAGE].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = (hpage_count ? PAGE_SIZE : 0);
+ mem_info->num = (hpage_count ? (hpage_count * q_cfg->num_paths) : 0);
+
+ /* RX Interrupts */
+ res_info[BNA_RX_RES_T_INTR].res_type = BNA_RES_T_INTR;
+ res_info[BNA_RX_RES_T_INTR].res_u.intr_info.intr_type = BNA_INTR_T_MSIX;
+ res_info[BNA_RX_RES_T_INTR].res_u.intr_info.num = q_cfg->num_paths;
+}
+
+struct bna_rx *
+bna_rx_create(struct bna *bna, struct bnad *bnad,
+ struct bna_rx_config *rx_cfg,
+ struct bna_rx_event_cbfn *rx_cbfn,
+ struct bna_res_info *res_info,
+ void *priv)
+{
+ struct bna_rx_mod *rx_mod = &bna->rx_mod;
+ struct bna_rx *rx;
+ struct bna_rxp *rxp;
+ struct bna_rxq *q0;
+ struct bna_rxq *q1;
+ struct bna_intr_info *intr_info;
+ u32 page_count;
+ struct bna_mem_descr *ccb_mem;
+ struct bna_mem_descr *rcb_mem;
+ struct bna_mem_descr *unmapq_mem;
+ struct bna_mem_descr *cqpt_mem;
+ struct bna_mem_descr *cswqpt_mem;
+ struct bna_mem_descr *cpage_mem;
+ struct bna_mem_descr *hqpt_mem; /* Header/Small Q qpt */
+ struct bna_mem_descr *dqpt_mem; /* Data/Large Q qpt */
+ struct bna_mem_descr *hsqpt_mem; /* s/w qpt for hdr */
+ struct bna_mem_descr *dsqpt_mem; /* s/w qpt for data */
+ struct bna_mem_descr *hpage_mem; /* hdr page mem */
+ struct bna_mem_descr *dpage_mem; /* data page mem */
+ int i, cpage_idx = 0, dpage_idx = 0, hpage_idx = 0, ret;
+ int dpage_count, hpage_count, rcb_idx;
+ struct bna_ib_config ibcfg;
+ /* Fail if we don't have enough RXPs, RXQs */
+ if (!_rx_can_satisfy(rx_mod, rx_cfg))
+ return NULL;
+
+ /* Initialize resource pointers */
+ intr_info = &res_info[BNA_RX_RES_T_INTR].res_u.intr_info;
+ ccb_mem = &res_info[BNA_RX_RES_MEM_T_CCB].res_u.mem_info.mdl[0];
+ rcb_mem = &res_info[BNA_RX_RES_MEM_T_RCB].res_u.mem_info.mdl[0];
+ unmapq_mem = &res_info[BNA_RX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[0];
+ cqpt_mem = &res_info[BNA_RX_RES_MEM_T_CQPT].res_u.mem_info.mdl[0];
+ cswqpt_mem = &res_info[BNA_RX_RES_MEM_T_CSWQPT].res_u.mem_info.mdl[0];
+ cpage_mem = &res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.mdl[0];
+ hqpt_mem = &res_info[BNA_RX_RES_MEM_T_HQPT].res_u.mem_info.mdl[0];
+ dqpt_mem = &res_info[BNA_RX_RES_MEM_T_DQPT].res_u.mem_info.mdl[0];
+ hsqpt_mem = &res_info[BNA_RX_RES_MEM_T_HSWQPT].res_u.mem_info.mdl[0];
+ dsqpt_mem = &res_info[BNA_RX_RES_MEM_T_DSWQPT].res_u.mem_info.mdl[0];
+ hpage_mem = &res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.mdl[0];
+ dpage_mem = &res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.mdl[0];
+
+ /* Compute q depth & page count */
+ page_count = res_info[BNA_RX_RES_MEM_T_CQPT_PAGE].res_u.mem_info.num /
+ rx_cfg->num_paths;
+
+ dpage_count = res_info[BNA_RX_RES_MEM_T_DPAGE].res_u.mem_info.num /
+ rx_cfg->num_paths;
+
+ hpage_count = res_info[BNA_RX_RES_MEM_T_HPAGE].res_u.mem_info.num /
+ rx_cfg->num_paths;
+ /* Get RX pointer */
+ rx = _get_free_rx(rx_mod);
+ _rx_init(rx, bna);
+ rx->priv = priv;
+ rx->type = rx_cfg->rx_type;
+
+ rx->rcb_setup_cbfn = rx_cbfn->rcb_setup_cbfn;
+ rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn;
+ rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn;
+ rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn;
+ /* Following callbacks are mandatory */
+ rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn;
+ rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn;
+
+ if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_STARTED) {
+ switch (rx->type) {
+ case BNA_RX_T_REGULAR:
+ if (!(rx->bna->rx_mod.flags &
+ BNA_RX_MOD_F_PORT_LOOPBACK))
+ rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
+ break;
+ case BNA_RX_T_LOOPBACK:
+ if (rx->bna->rx_mod.flags & BNA_RX_MOD_F_PORT_LOOPBACK)
+ rx->rx_flags |= BNA_RX_F_PORT_ENABLED;
+ break;
+ }
+ }
+
+ for (i = 0, rcb_idx = 0; i < rx_cfg->num_paths; i++) {
+ rxp = _get_free_rxp(rx_mod);
+ rxp->type = rx_cfg->rxp_type;
+ rxp->rx = rx;
+ rxp->cq.rx = rx;
+
+ /* Get required RXQs, and queue them to rx-path */
+ q0 = _get_free_rxq(rx_mod);
+ if (BNA_RXP_SINGLE == rx_cfg->rxp_type)
+ q1 = NULL;
+ else
+ q1 = _get_free_rxq(rx_mod);
+
+ /* Initialize IB */
+ if (1 == intr_info->num) {
+ rxp->cq.ib = bna_ib_get(&bna->ib_mod,
+ intr_info->intr_type,
+ intr_info->idl[0].vector);
+ rxp->vector = intr_info->idl[0].vector;
+ } else {
+ rxp->cq.ib = bna_ib_get(&bna->ib_mod,
+ intr_info->intr_type,
+ intr_info->idl[i].vector);
+
+ /* Map the MSI-x vector used for this RXP */
+ rxp->vector = intr_info->idl[i].vector;
+ }
+
+ rxp->cq.ib_seg_offset = bna_ib_reserve_idx(rxp->cq.ib);
+
+ ibcfg.coalescing_timeo = BFI_RX_COALESCING_TIMEO;
+ ibcfg.interpkt_count = BFI_RX_INTERPKT_COUNT;
+ ibcfg.interpkt_timeo = BFI_RX_INTERPKT_TIMEO;
+ ibcfg.ctrl_flags = BFI_IB_CF_INT_ENABLE;
+
+ ret = bna_ib_config(rxp->cq.ib, &ibcfg);
+
+ /* Link rxqs to rxp */
+ _rxp_add_rxqs(rxp, q0, q1);
+
+ /* Link rxp to rx */
+ _rx_add_rxp(rx, rxp);
+
+ q0->rx = rx;
+ q0->rxp = rxp;
+
+ /* Initialize RCB for the large / data q */
+ q0->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
+ RXQ_RCB_INIT(q0, rxp, rx_cfg->q_depth, bna, 0,
+ (void *)unmapq_mem[rcb_idx].kva);
+ rcb_idx++;
+ (q0)->rx_packets = (q0)->rx_bytes = 0;
+ (q0)->rx_packets_with_error = (q0)->rxbuf_alloc_failed = 0;
+
+ /* Initialize RXQs */
+ _rxq_qpt_init(q0, rxp, dpage_count, PAGE_SIZE,
+ &dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[dpage_idx]);
+ q0->rcb->page_idx = dpage_idx;
+ q0->rcb->page_count = dpage_count;
+ dpage_idx += dpage_count;
+
+ /* Call bnad to complete rcb setup */
+ if (rx->rcb_setup_cbfn)
+ rx->rcb_setup_cbfn(bnad, q0->rcb);
+
+ if (q1) {
+ q1->rx = rx;
+ q1->rxp = rxp;
+
+ q1->rcb = (struct bna_rcb *) rcb_mem[rcb_idx].kva;
+ RXQ_RCB_INIT(q1, rxp, rx_cfg->q_depth, bna, 1,
+ (void *)unmapq_mem[rcb_idx].kva);
+ rcb_idx++;
+ (q1)->buffer_size = (rx_cfg)->small_buff_size;
+ (q1)->rx_packets = (q1)->rx_bytes = 0;
+ (q1)->rx_packets_with_error =
+ (q1)->rxbuf_alloc_failed = 0;
+
+ _rxq_qpt_init(q1, rxp, hpage_count, PAGE_SIZE,
+ &hqpt_mem[i], &hsqpt_mem[i],
+ &hpage_mem[hpage_idx]);
+ q1->rcb->page_idx = hpage_idx;
+ q1->rcb->page_count = hpage_count;
+ hpage_idx += hpage_count;
+
+ /* Call bnad to complete rcb setup */
+ if (rx->rcb_setup_cbfn)
+ rx->rcb_setup_cbfn(bnad, q1->rcb);
+ }
+ /* Setup RXP::CQ */
+ rxp->cq.ccb = (struct bna_ccb *) ccb_mem[i].kva;
+ _rxp_cqpt_setup(rxp, page_count, PAGE_SIZE,
+ &cqpt_mem[i], &cswqpt_mem[i], &cpage_mem[cpage_idx]);
+ rxp->cq.ccb->page_idx = cpage_idx;
+ rxp->cq.ccb->page_count = page_count;
+ cpage_idx += page_count;
+
+ rxp->cq.ccb->pkt_rate.small_pkt_cnt = 0;
+ rxp->cq.ccb->pkt_rate.large_pkt_cnt = 0;
+
+ rxp->cq.ccb->producer_index = 0;
+ rxp->cq.ccb->q_depth = rx_cfg->q_depth +
+ ((rx_cfg->rxp_type == BNA_RXP_SINGLE) ?
+ 0 : rx_cfg->q_depth);
+ rxp->cq.ccb->i_dbell = &rxp->cq.ib->door_bell;
+ rxp->cq.ccb->rcb[0] = q0->rcb;
+ if (q1)
+ rxp->cq.ccb->rcb[1] = q1->rcb;
+ rxp->cq.ccb->cq = &rxp->cq;
+ rxp->cq.ccb->bnad = bna->bnad;
+ rxp->cq.ccb->hw_producer_index =
+ ((volatile u32 *)rxp->cq.ib->ib_seg_host_addr_kva +
+ (rxp->cq.ib_seg_offset * BFI_IBIDX_SIZE));
+ *(rxp->cq.ccb->hw_producer_index) = 0;
+ rxp->cq.ccb->intr_type = intr_info->intr_type;
+ rxp->cq.ccb->intr_vector = (intr_info->num == 1) ?
+ intr_info->idl[0].vector :
+ intr_info->idl[i].vector;
+ rxp->cq.ccb->rx_coalescing_timeo =
+ rxp->cq.ib->ib_config.coalescing_timeo;
+ rxp->cq.ccb->id = i;
+
+ /* Call bnad to complete CCB setup */
+ if (rx->ccb_setup_cbfn)
+ rx->ccb_setup_cbfn(bnad, rxp->cq.ccb);
+
+ } /* for each rx-path */
+
+ bna_rxf_init(&rx->rxf, rx, rx_cfg);
+
+ bfa_fsm_set_state(rx, bna_rx_sm_stopped);
+
+ return rx;
+}
+
+void
+bna_rx_destroy(struct bna_rx *rx)
+{
+ struct bna_rx_mod *rx_mod = &rx->bna->rx_mod;
+ struct bna_ib_mod *ib_mod = &rx->bna->ib_mod;
+ struct bna_rxq *q0 = NULL;
+ struct bna_rxq *q1 = NULL;
+ struct bna_rxp *rxp;
+ struct list_head *qe;
+
+ bna_rxf_uninit(&rx->rxf);
+
+ while (!list_empty(&rx->rxp_q)) {
+ bfa_q_deq(&rx->rxp_q, &rxp);
+ GET_RXQS(rxp, q0, q1);
+ /* Callback to bnad for destroying RCB */
+ if (rx->rcb_destroy_cbfn)
+ rx->rcb_destroy_cbfn(rx->bna->bnad, q0->rcb);
+ q0->rcb = NULL;
+ q0->rxp = NULL;
+ q0->rx = NULL;
+ _put_free_rxq(rx_mod, q0);
+ if (q1) {
+ /* Callback to bnad for destroying RCB */
+ if (rx->rcb_destroy_cbfn)
+ rx->rcb_destroy_cbfn(rx->bna->bnad, q1->rcb);
+ q1->rcb = NULL;
+ q1->rxp = NULL;
+ q1->rx = NULL;
+ _put_free_rxq(rx_mod, q1);
+ }
+ rxp->rxq.slr.large = NULL;
+ rxp->rxq.slr.small = NULL;
+ if (rxp->cq.ib) {
+ if (rxp->cq.ib_seg_offset != 0xff)
+ bna_ib_release_idx(rxp->cq.ib,
+ rxp->cq.ib_seg_offset);
+ bna_ib_put(ib_mod, rxp->cq.ib);
+ rxp->cq.ib = NULL;
+ }
+ /* Callback to bnad for destroying CCB */
+ if (rx->ccb_destroy_cbfn)
+ rx->ccb_destroy_cbfn(rx->bna->bnad, rxp->cq.ccb);
+ rxp->cq.ccb = NULL;
+ rxp->rx = NULL;
+ _put_free_rxp(rx_mod, rxp);
+ }
+
+ list_for_each(qe, &rx_mod->rx_active_q) {
+ if (qe == &rx->qe) {
+ list_del(&rx->qe);
+ bfa_q_qe_init(&rx->qe);
+ break;
+ }
+ }
+
+ rx->bna = NULL;
+ rx->priv = NULL;
+ _put_free_rx(rx_mod, rx);
+}
+
+void
+bna_rx_enable(struct bna_rx *rx)
+{
+ if (rx->fsm != (bfa_sm_t)bna_rx_sm_stopped)
+ return;
+
+ rx->rx_flags |= BNA_RX_F_ENABLE;
+ if (rx->rx_flags & BNA_RX_F_PORT_ENABLED)
+ bfa_fsm_send_event(rx, RX_E_START);
+}
+
+void
+bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
+ void (*cbfn)(void *, struct bna_rx *,
+ enum bna_cb_status))
+{
+ if (type == BNA_SOFT_CLEANUP) {
+ /* h/w should not be accessed. Treat we're stopped */
+ (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
+ } else {
+ rx->stop_cbfn = cbfn;
+ rx->stop_cbarg = rx->bna->bnad;
+
+ rx->rx_flags &= ~BNA_RX_F_ENABLE;
+
+ bfa_fsm_send_event(rx, RX_E_STOP);
+ }
+}
+
+/**
+ * TX
+ */
+#define call_tx_stop_cbfn(tx, status)\
+do {\
+ if ((tx)->stop_cbfn)\
+ (tx)->stop_cbfn((tx)->stop_cbarg, (tx), status);\
+ (tx)->stop_cbfn = NULL;\
+ (tx)->stop_cbarg = NULL;\
+} while (0)
+
+#define call_tx_prio_change_cbfn(tx, status)\
+do {\
+ if ((tx)->prio_change_cbfn)\
+ (tx)->prio_change_cbfn((tx)->bna->bnad, (tx), status);\
+ (tx)->prio_change_cbfn = NULL;\
+} while (0)
+
+static void bna_tx_mod_cb_tx_stopped(void *tx_mod, struct bna_tx *tx,
+ enum bna_cb_status status);
+static void bna_tx_cb_txq_stopped(void *arg, int status);
+static void bna_tx_cb_stats_cleared(void *arg, int status);
+static void __bna_tx_stop(struct bna_tx *tx);
+static void __bna_tx_start(struct bna_tx *tx);
+static void __bna_txf_stat_clr(struct bna_tx *tx);
+
+enum bna_tx_event {
+ TX_E_START = 1,
+ TX_E_STOP = 2,
+ TX_E_FAIL = 3,
+ TX_E_TXQ_STOPPED = 4,
+ TX_E_PRIO_CHANGE = 5,
+ TX_E_STAT_CLEARED = 6,
+};
+
+enum bna_tx_state {
+ BNA_TX_STOPPED = 1,
+ BNA_TX_STARTED = 2,
+ BNA_TX_TXQ_STOP_WAIT = 3,
+ BNA_TX_PRIO_STOP_WAIT = 4,
+ BNA_TX_STAT_CLR_WAIT = 5,
+};
+
+bfa_fsm_state_decl(bna_tx, stopped, struct bna_tx,
+ enum bna_tx_event);
+bfa_fsm_state_decl(bna_tx, started, struct bna_tx,
+ enum bna_tx_event);
+bfa_fsm_state_decl(bna_tx, txq_stop_wait, struct bna_tx,
+ enum bna_tx_event);
+bfa_fsm_state_decl(bna_tx, prio_stop_wait, struct bna_tx,
+ enum bna_tx_event);
+bfa_fsm_state_decl(bna_tx, stat_clr_wait, struct bna_tx,
+ enum bna_tx_event);
+
+static struct bfa_sm_table tx_sm_table[] = {
+ {BFA_SM(bna_tx_sm_stopped), BNA_TX_STOPPED},
+ {BFA_SM(bna_tx_sm_started), BNA_TX_STARTED},
+ {BFA_SM(bna_tx_sm_txq_stop_wait), BNA_TX_TXQ_STOP_WAIT},
+ {BFA_SM(bna_tx_sm_prio_stop_wait), BNA_TX_PRIO_STOP_WAIT},
+ {BFA_SM(bna_tx_sm_stat_clr_wait), BNA_TX_STAT_CLR_WAIT},
+};
+
+static void
+bna_tx_sm_stopped_entry(struct bna_tx *tx)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb);
+ }
+
+ call_tx_stop_cbfn(tx, BNA_CB_SUCCESS);
+}
+
+static void
+bna_tx_sm_stopped(struct bna_tx *tx, enum bna_tx_event event)
+{
+ switch (event) {
+ case TX_E_START:
+ bfa_fsm_set_state(tx, bna_tx_sm_started);
+ break;
+
+ case TX_E_STOP:
+ bfa_fsm_set_state(tx, bna_tx_sm_stopped);
+ break;
+
+ case TX_E_FAIL:
+ /* No-op */
+ break;
+
+ case TX_E_PRIO_CHANGE:
+ call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS);
+ break;
+
+ case TX_E_TXQ_STOPPED:
+ /**
+ * This event is received due to flushing of mbox when
+ * device fails
+ */
+ /* No-op */
+ break;
+
+ default:
+ bfa_sm_fault(tx->bna, event);
+ }
+}
+
+static void
+bna_tx_sm_started_entry(struct bna_tx *tx)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ __bna_tx_start(tx);
+
+ /* Start IB */
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ bna_ib_ack(&txq->ib->door_bell, 0);
+ }
+}
+
+static void
+bna_tx_sm_started(struct bna_tx *tx, enum bna_tx_event event)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ switch (event) {
+ case TX_E_STOP:
+ bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait);
+ __bna_tx_stop(tx);
+ break;
+
+ case TX_E_FAIL:
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ bna_ib_fail(txq->ib);
+ (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb);
+ }
+ bfa_fsm_set_state(tx, bna_tx_sm_stopped);
+ break;
+
+ case TX_E_PRIO_CHANGE:
+ bfa_fsm_set_state(tx, bna_tx_sm_prio_stop_wait);
+ break;
+
+ default:
+ bfa_sm_fault(tx->bna, event);
+ }
+}
+
+static void
+bna_tx_sm_txq_stop_wait_entry(struct bna_tx *tx)
+{
+}
+
+static void
+bna_tx_sm_txq_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ switch (event) {
+ case TX_E_FAIL:
+ bfa_fsm_set_state(tx, bna_tx_sm_stopped);
+ break;
+
+ case TX_E_TXQ_STOPPED:
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ bna_ib_stop(txq->ib);
+ }
+ bfa_fsm_set_state(tx, bna_tx_sm_stat_clr_wait);
+ break;
+
+ case TX_E_PRIO_CHANGE:
+ /* No-op */
+ break;
+
+ default:
+ bfa_sm_fault(tx->bna, event);
+ }
+}
+
+static void
+bna_tx_sm_prio_stop_wait_entry(struct bna_tx *tx)
+{
+ __bna_tx_stop(tx);
+}
+
+static void
+bna_tx_sm_prio_stop_wait(struct bna_tx *tx, enum bna_tx_event event)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ switch (event) {
+ case TX_E_STOP:
+ bfa_fsm_set_state(tx, bna_tx_sm_txq_stop_wait);
+ break;
+
+ case TX_E_FAIL:
+ call_tx_prio_change_cbfn(tx, BNA_CB_FAIL);
+ bfa_fsm_set_state(tx, bna_tx_sm_stopped);
+ break;
+
+ case TX_E_TXQ_STOPPED:
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ bna_ib_stop(txq->ib);
+ (tx->tx_cleanup_cbfn)(tx->bna->bnad, txq->tcb);
+ }
+ call_tx_prio_change_cbfn(tx, BNA_CB_SUCCESS);
+ bfa_fsm_set_state(tx, bna_tx_sm_started);
+ break;
+
+ case TX_E_PRIO_CHANGE:
+ /* No-op */
+ break;
+
+ default:
+ bfa_sm_fault(tx->bna, event);
+ }
+}
+
+static void
+bna_tx_sm_stat_clr_wait_entry(struct bna_tx *tx)
+{
+ __bna_txf_stat_clr(tx);
+}
+
+static void
+bna_tx_sm_stat_clr_wait(struct bna_tx *tx, enum bna_tx_event event)
+{
+ switch (event) {
+ case TX_E_FAIL:
+ case TX_E_STAT_CLEARED:
+ bfa_fsm_set_state(tx, bna_tx_sm_stopped);
+ break;
+
+ default:
+ bfa_sm_fault(tx->bna, event);
+ }
+}
+
+static void
+__bna_txq_start(struct bna_tx *tx, struct bna_txq *txq)
+{
+ struct bna_rxtx_q_mem *q_mem;
+ struct bna_txq_mem txq_cfg;
+ struct bna_txq_mem *txq_mem;
+ struct bna_dma_addr cur_q_addr;
+ u32 pg_num;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ /* Fill out structure, to be subsequently written to hardware */
+ txq_cfg.pg_tbl_addr_lo = txq->qpt.hw_qpt_ptr.lsb;
+ txq_cfg.pg_tbl_addr_hi = txq->qpt.hw_qpt_ptr.msb;
+ cur_q_addr = *((struct bna_dma_addr *)(txq->qpt.kv_qpt_ptr));
+ txq_cfg.cur_q_entry_lo = cur_q_addr.lsb;
+ txq_cfg.cur_q_entry_hi = cur_q_addr.msb;
+
+ txq_cfg.pg_cnt_n_prd_ptr = (txq->qpt.page_count << 16) | 0x0;
+
+ txq_cfg.entry_n_pg_size = ((u32)(BFI_TXQ_WI_SIZE >> 2) << 16) |
+ (txq->qpt.page_size >> 2);
+ txq_cfg.int_blk_n_cns_ptr = ((((u32)txq->ib_seg_offset) << 24) |
+ ((u32)(txq->ib->ib_id & 0xff) << 16) | 0x0);
+
+ txq_cfg.cns_ptr2_n_q_state = BNA_Q_IDLE_STATE;
+ txq_cfg.nxt_qid_n_fid_n_pri = (((tx->txf.txf_id & 0x3f) << 3) |
+ (txq->priority & 0x3));
+ txq_cfg.wvc_n_cquota_n_rquota =
+ ((((u32)BFI_TX_MAX_WRR_QUOTA & 0xfff) << 12) |
+ (BFI_TX_MAX_WRR_QUOTA & 0xfff));
+
+ /* Setup the page and write to H/W */
+
+ pg_num = BNA_GET_PAGE_NUM(HQM0_BLK_PG_NUM + tx->bna->port_num,
+ HQM_RXTX_Q_RAM_BASE_OFFSET);
+ writel(pg_num, tx->bna->regs.page_addr);
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
+ HQM_RXTX_Q_RAM_BASE_OFFSET);
+ q_mem = (struct bna_rxtx_q_mem *)0;
+ txq_mem = &q_mem[txq->txq_id].txq;
+
+ /*
+ * The following 4 lines, is a hack b'cos the H/W needs to read
+ * these DMA addresses as little endian
+ */
+
+ off = (unsigned long)&txq_mem->pg_tbl_addr_lo;
+ writel(htonl(txq_cfg.pg_tbl_addr_lo), base_addr + off);
+
+ off = (unsigned long)&txq_mem->pg_tbl_addr_hi;
+ writel(htonl(txq_cfg.pg_tbl_addr_hi), base_addr + off);
+
+ off = (unsigned long)&txq_mem->cur_q_entry_lo;
+ writel(htonl(txq_cfg.cur_q_entry_lo), base_addr + off);
+
+ off = (unsigned long)&txq_mem->cur_q_entry_hi;
+ writel(htonl(txq_cfg.cur_q_entry_hi), base_addr + off);
+
+ off = (unsigned long)&txq_mem->pg_cnt_n_prd_ptr;
+ writel(txq_cfg.pg_cnt_n_prd_ptr, base_addr + off);
+
+ off = (unsigned long)&txq_mem->entry_n_pg_size;
+ writel(txq_cfg.entry_n_pg_size, base_addr + off);
+
+ off = (unsigned long)&txq_mem->int_blk_n_cns_ptr;
+ writel(txq_cfg.int_blk_n_cns_ptr, base_addr + off);
+
+ off = (unsigned long)&txq_mem->cns_ptr2_n_q_state;
+ writel(txq_cfg.cns_ptr2_n_q_state, base_addr + off);
+
+ off = (unsigned long)&txq_mem->nxt_qid_n_fid_n_pri;
+ writel(txq_cfg.nxt_qid_n_fid_n_pri, base_addr + off);
+
+ off = (unsigned long)&txq_mem->wvc_n_cquota_n_rquota;
+ writel(txq_cfg.wvc_n_cquota_n_rquota, base_addr + off);
+
+ txq->tcb->producer_index = 0;
+ txq->tcb->consumer_index = 0;
+ *(txq->tcb->hw_consumer_index) = 0;
+
+}
+
+static void
+__bna_txq_stop(struct bna_tx *tx, struct bna_txq *txq)
+{
+ struct bfi_ll_q_stop_req ll_req;
+ u32 bit_mask[2] = {0, 0};
+ if (txq->txq_id < 32)
+ bit_mask[0] = (u32)1 << txq->txq_id;
+ else
+ bit_mask[1] = (u32)1 << (txq->txq_id - 32);
+
+ memset(&ll_req, 0, sizeof(ll_req));
+ ll_req.mh.msg_class = BFI_MC_LL;
+ ll_req.mh.msg_id = BFI_LL_H2I_TXQ_STOP_REQ;
+ ll_req.mh.mtag.h2i.lpu_id = 0;
+ ll_req.q_id_mask[0] = htonl(bit_mask[0]);
+ ll_req.q_id_mask[1] = htonl(bit_mask[1]);
+
+ bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req),
+ bna_tx_cb_txq_stopped, tx);
+
+ bna_mbox_send(tx->bna, &tx->mbox_qe);
+}
+
+static void
+__bna_txf_start(struct bna_tx *tx)
+{
+ struct bna_tx_fndb_ram *tx_fndb;
+ struct bna_txf *txf = &tx->txf;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ writel(BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
+ (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET),
+ tx->bna->regs.page_addr);
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
+ TX_FNDB_RAM_BASE_OFFSET);
+
+ tx_fndb = (struct bna_tx_fndb_ram *)0;
+ off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags;
+
+ writel(((u32)txf->vlan << 16) | txf->ctrl_flags,
+ base_addr + off);
+
+ if (tx->txf.txf_id < 32)
+ tx->bna->tx_mod.txf_bmap[0] |= ((u32)1 << tx->txf.txf_id);
+ else
+ tx->bna->tx_mod.txf_bmap[1] |= ((u32)
+ 1 << (tx->txf.txf_id - 32));
+}
+
+static void
+__bna_txf_stop(struct bna_tx *tx)
+{
+ struct bna_tx_fndb_ram *tx_fndb;
+ u32 page_num;
+ u32 ctl_flags;
+ struct bna_txf *txf = &tx->txf;
+ void __iomem *base_addr;
+ unsigned long off;
+
+ /* retrieve the running txf_flags & turn off enable bit */
+ page_num = BNA_GET_PAGE_NUM(LUT0_MEM_BLK_BASE_PG_NUM +
+ (tx->bna->port_num * 2), TX_FNDB_RAM_BASE_OFFSET);
+ writel(page_num, tx->bna->regs.page_addr);
+
+ base_addr = BNA_GET_MEM_BASE_ADDR(tx->bna->pcidev.pci_bar_kva,
+ TX_FNDB_RAM_BASE_OFFSET);
+ tx_fndb = (struct bna_tx_fndb_ram *)0;
+ off = (unsigned long)&tx_fndb[txf->txf_id].vlan_n_ctrl_flags;
+
+ ctl_flags = readl(base_addr + off);
+ ctl_flags &= ~BFI_TXF_CF_ENABLE;
+
+ writel(ctl_flags, base_addr + off);
+
+ if (tx->txf.txf_id < 32)
+ tx->bna->tx_mod.txf_bmap[0] &= ~((u32)1 << tx->txf.txf_id);
+ else
+ tx->bna->tx_mod.txf_bmap[0] &= ~((u32)
+ 1 << (tx->txf.txf_id - 32));
+}
+
+static void
+__bna_txf_stat_clr(struct bna_tx *tx)
+{
+ struct bfi_ll_stats_req ll_req;
+ u32 txf_bmap[2] = {0, 0};
+ if (tx->txf.txf_id < 32)
+ txf_bmap[0] = ((u32)1 << tx->txf.txf_id);
+ else
+ txf_bmap[1] = ((u32)1 << (tx->txf.txf_id - 32));
+ bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0);
+ ll_req.stats_mask = 0;
+ ll_req.rxf_id_mask[0] = 0;
+ ll_req.rxf_id_mask[1] = 0;
+ ll_req.txf_id_mask[0] = htonl(txf_bmap[0]);
+ ll_req.txf_id_mask[1] = htonl(txf_bmap[1]);
+
+ bna_mbox_qe_fill(&tx->mbox_qe, &ll_req, sizeof(ll_req),
+ bna_tx_cb_stats_cleared, tx);
+ bna_mbox_send(tx->bna, &tx->mbox_qe);
+}
+
+static void
+__bna_tx_start(struct bna_tx *tx)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ bna_ib_start(txq->ib);
+ __bna_txq_start(tx, txq);
+ }
+
+ __bna_txf_start(tx);
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ txq->tcb->priority = txq->priority;
+ (tx->tx_resume_cbfn)(tx->bna->bnad, txq->tcb);
+ }
+}
+
+static void
+__bna_tx_stop(struct bna_tx *tx)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ (tx->tx_stall_cbfn)(tx->bna->bnad, txq->tcb);
+ }
+
+ __bna_txf_stop(tx);
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ bfa_wc_up(&tx->txq_stop_wc);
+ }
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ __bna_txq_stop(tx, txq);
+ }
+}
+
+static void
+bna_txq_qpt_setup(struct bna_txq *txq, int page_count, int page_size,
+ struct bna_mem_descr *qpt_mem,
+ struct bna_mem_descr *swqpt_mem,
+ struct bna_mem_descr *page_mem)
+{
+ int i;
+
+ txq->qpt.hw_qpt_ptr.lsb = qpt_mem->dma.lsb;
+ txq->qpt.hw_qpt_ptr.msb = qpt_mem->dma.msb;
+ txq->qpt.kv_qpt_ptr = qpt_mem->kva;
+ txq->qpt.page_count = page_count;
+ txq->qpt.page_size = page_size;
+
+ txq->tcb->sw_qpt = (void **) swqpt_mem->kva;
+
+ for (i = 0; i < page_count; i++) {
+ txq->tcb->sw_qpt[i] = page_mem[i].kva;
+
+ ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].lsb =
+ page_mem[i].dma.lsb;
+ ((struct bna_dma_addr *)txq->qpt.kv_qpt_ptr)[i].msb =
+ page_mem[i].dma.msb;
+
+ }
+}
+
+static void
+bna_tx_free(struct bna_tx *tx)
+{
+ struct bna_tx_mod *tx_mod = &tx->bna->tx_mod;
+ struct bna_txq *txq;
+ struct bna_ib_mod *ib_mod = &tx->bna->ib_mod;
+ struct list_head *qe;
+
+ while (!list_empty(&tx->txq_q)) {
+ bfa_q_deq(&tx->txq_q, &txq);
+ bfa_q_qe_init(&txq->qe);
+ if (txq->ib) {
+ if (txq->ib_seg_offset != -1)
+ bna_ib_release_idx(txq->ib,
+ txq->ib_seg_offset);
+ bna_ib_put(ib_mod, txq->ib);
+ txq->ib = NULL;
+ }
+ txq->tcb = NULL;
+ txq->tx = NULL;
+ list_add_tail(&txq->qe, &tx_mod->txq_free_q);
+ }
+
+ list_for_each(qe, &tx_mod->tx_active_q) {
+ if (qe == &tx->qe) {
+ list_del(&tx->qe);
+ bfa_q_qe_init(&tx->qe);
+ break;
+ }
+ }
+
+ tx->bna = NULL;
+ tx->priv = NULL;
+ list_add_tail(&tx->qe, &tx_mod->tx_free_q);
+}
+
+static void
+bna_tx_cb_txq_stopped(void *arg, int status)
+{
+ struct bna_tx *tx = (struct bna_tx *)arg;
+
+ bfa_q_qe_init(&tx->mbox_qe.qe);
+ bfa_wc_down(&tx->txq_stop_wc);
+}
+
+static void
+bna_tx_cb_txq_stopped_all(void *arg)
+{
+ struct bna_tx *tx = (struct bna_tx *)arg;
+
+ bfa_fsm_send_event(tx, TX_E_TXQ_STOPPED);
+}
+
+static void
+bna_tx_cb_stats_cleared(void *arg, int status)
+{
+ struct bna_tx *tx = (struct bna_tx *)arg;
+
+ bfa_q_qe_init(&tx->mbox_qe.qe);
+
+ bfa_fsm_send_event(tx, TX_E_STAT_CLEARED);
+}
+
+static void
+bna_tx_start(struct bna_tx *tx)
+{
+ tx->flags |= BNA_TX_F_PORT_STARTED;
+ if (tx->flags & BNA_TX_F_ENABLED)
+ bfa_fsm_send_event(tx, TX_E_START);
+}
+
+static void
+bna_tx_stop(struct bna_tx *tx)
+{
+ tx->stop_cbfn = bna_tx_mod_cb_tx_stopped;
+ tx->stop_cbarg = &tx->bna->tx_mod;
+
+ tx->flags &= ~BNA_TX_F_PORT_STARTED;
+ bfa_fsm_send_event(tx, TX_E_STOP);
+}
+
+static void
+bna_tx_fail(struct bna_tx *tx)
+{
+ tx->flags &= ~BNA_TX_F_PORT_STARTED;
+ bfa_fsm_send_event(tx, TX_E_FAIL);
+}
+
+void
+bna_tx_prio_changed(struct bna_tx *tx, int prio)
+{
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ txq->priority = prio;
+ }
+
+ bfa_fsm_send_event(tx, TX_E_PRIO_CHANGE);
+}
+
+static void
+bna_tx_cee_link_status(struct bna_tx *tx, int cee_link)
+{
+ if (cee_link)
+ tx->flags |= BNA_TX_F_PRIO_LOCK;
+ else
+ tx->flags &= ~BNA_TX_F_PRIO_LOCK;
+}
+
+static void
+bna_tx_mod_cb_tx_stopped(void *arg, struct bna_tx *tx,
+ enum bna_cb_status status)
+{
+ struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
+
+ bfa_wc_down(&tx_mod->tx_stop_wc);
+}
+
+static void
+bna_tx_mod_cb_tx_stopped_all(void *arg)
+{
+ struct bna_tx_mod *tx_mod = (struct bna_tx_mod *)arg;
+
+ if (tx_mod->stop_cbfn)
+ tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS);
+ tx_mod->stop_cbfn = NULL;
+}
+
+void
+bna_tx_res_req(int num_txq, int txq_depth, struct bna_res_info *res_info)
+{
+ u32 q_size;
+ u32 page_count;
+ struct bna_mem_info *mem_info;
+
+ res_info[BNA_TX_RES_MEM_T_TCB].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_KVA;
+ mem_info->len = sizeof(struct bna_tcb);
+ mem_info->num = num_txq;
+
+ q_size = txq_depth * BFI_TXQ_WI_SIZE;
+ q_size = ALIGN(q_size, PAGE_SIZE);
+ page_count = q_size >> PAGE_SHIFT;
+
+ res_info[BNA_TX_RES_MEM_T_QPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = page_count * sizeof(struct bna_dma_addr);
+ mem_info->num = num_txq;
+
+ res_info[BNA_TX_RES_MEM_T_SWQPT].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_KVA;
+ mem_info->len = page_count * sizeof(void *);
+ mem_info->num = num_txq;
+
+ res_info[BNA_TX_RES_MEM_T_PAGE].res_type = BNA_RES_T_MEM;
+ mem_info = &res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info;
+ mem_info->mem_type = BNA_MEM_T_DMA;
+ mem_info->len = PAGE_SIZE;
+ mem_info->num = num_txq * page_count;
+
+ res_info[BNA_TX_RES_INTR_T_TXCMPL].res_type = BNA_RES_T_INTR;
+ res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.intr_type =
+ BNA_INTR_T_MSIX;
+ res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info.num = num_txq;
+}
+
+struct bna_tx *
+bna_tx_create(struct bna *bna, struct bnad *bnad,
+ struct bna_tx_config *tx_cfg,
+ struct bna_tx_event_cbfn *tx_cbfn,
+ struct bna_res_info *res_info, void *priv)
+{
+ struct bna_intr_info *intr_info;
+ struct bna_tx_mod *tx_mod = &bna->tx_mod;
+ struct bna_tx *tx;
+ struct bna_txq *txq;
+ struct list_head *qe;
+ struct bna_ib_mod *ib_mod = &bna->ib_mod;
+ struct bna_doorbell_qset *qset;
+ struct bna_ib_config ib_config;
+ int page_count;
+ int page_size;
+ int page_idx;
+ int i;
+ unsigned long off;
+
+ intr_info = &res_info[BNA_TX_RES_INTR_T_TXCMPL].res_u.intr_info;
+ page_count = (res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.num) /
+ tx_cfg->num_txq;
+ page_size = res_info[BNA_TX_RES_MEM_T_PAGE].res_u.mem_info.len;
+
+ /**
+ * Get resources
+ */
+
+ if ((intr_info->num != 1) && (intr_info->num != tx_cfg->num_txq))
+ return NULL;
+
+ /* Tx */
+
+ if (list_empty(&tx_mod->tx_free_q))
+ return NULL;
+ bfa_q_deq(&tx_mod->tx_free_q, &tx);
+ bfa_q_qe_init(&tx->qe);
+
+ /* TxQs */
+
+ INIT_LIST_HEAD(&tx->txq_q);
+ for (i = 0; i < tx_cfg->num_txq; i++) {
+ if (list_empty(&tx_mod->txq_free_q))
+ goto err_return;
+
+ bfa_q_deq(&tx_mod->txq_free_q, &txq);
+ bfa_q_qe_init(&txq->qe);
+ list_add_tail(&txq->qe, &tx->txq_q);
+ txq->ib = NULL;
+ txq->ib_seg_offset = -1;
+ txq->tx = tx;
+ }
+
+ /* IBs */
+ i = 0;
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+
+ if (intr_info->num == 1)
+ txq->ib = bna_ib_get(ib_mod, intr_info->intr_type,
+ intr_info->idl[0].vector);
+ else
+ txq->ib = bna_ib_get(ib_mod, intr_info->intr_type,
+ intr_info->idl[i].vector);
+
+ if (txq->ib == NULL)
+ goto err_return;
+
+ txq->ib_seg_offset = bna_ib_reserve_idx(txq->ib);
+ if (txq->ib_seg_offset == -1)
+ goto err_return;
+
+ i++;
+ }
+
+ /*
+ * Initialize
+ */
+
+ /* Tx */
+
+ tx->tcb_setup_cbfn = tx_cbfn->tcb_setup_cbfn;
+ tx->tcb_destroy_cbfn = tx_cbfn->tcb_destroy_cbfn;
+ /* Following callbacks are mandatory */
+ tx->tx_stall_cbfn = tx_cbfn->tx_stall_cbfn;
+ tx->tx_resume_cbfn = tx_cbfn->tx_resume_cbfn;
+ tx->tx_cleanup_cbfn = tx_cbfn->tx_cleanup_cbfn;
+
+ list_add_tail(&tx->qe, &tx_mod->tx_active_q);
+ tx->bna = bna;
+ tx->priv = priv;
+ tx->txq_stop_wc.wc_resume = bna_tx_cb_txq_stopped_all;
+ tx->txq_stop_wc.wc_cbarg = tx;
+ tx->txq_stop_wc.wc_count = 0;
+
+ tx->type = tx_cfg->tx_type;
+
+ tx->flags = 0;
+ if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_STARTED) {
+ switch (tx->type) {
+ case BNA_TX_T_REGULAR:
+ if (!(tx->bna->tx_mod.flags &
+ BNA_TX_MOD_F_PORT_LOOPBACK))
+ tx->flags |= BNA_TX_F_PORT_STARTED;
+ break;
+ case BNA_TX_T_LOOPBACK:
+ if (tx->bna->tx_mod.flags & BNA_TX_MOD_F_PORT_LOOPBACK)
+ tx->flags |= BNA_TX_F_PORT_STARTED;
+ break;
+ }
+ }
+ if (tx->bna->tx_mod.cee_link)
+ tx->flags |= BNA_TX_F_PRIO_LOCK;
+
+ /* TxQ */
+
+ i = 0;
+ page_idx = 0;
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ txq->priority = tx_mod->priority;
+ txq->tcb = (struct bna_tcb *)
+ res_info[BNA_TX_RES_MEM_T_TCB].res_u.mem_info.mdl[i].kva;
+ txq->tx_packets = 0;
+ txq->tx_bytes = 0;
+
+ /* IB */
+
+ ib_config.coalescing_timeo = BFI_TX_COALESCING_TIMEO;
+ ib_config.interpkt_timeo = 0; /* Not used */
+ ib_config.interpkt_count = BFI_TX_INTERPKT_COUNT;
+ ib_config.ctrl_flags = (BFI_IB_CF_INTER_PKT_DMA |
+ BFI_IB_CF_INT_ENABLE |
+ BFI_IB_CF_COALESCING_MODE);
+ bna_ib_config(txq->ib, &ib_config);
+
+ /* TCB */
+
+ txq->tcb->producer_index = 0;
+ txq->tcb->consumer_index = 0;
+ txq->tcb->hw_consumer_index = (volatile u32 *)
+ ((volatile u8 *)txq->ib->ib_seg_host_addr_kva +
+ (txq->ib_seg_offset * BFI_IBIDX_SIZE));
+ *(txq->tcb->hw_consumer_index) = 0;
+ txq->tcb->q_depth = tx_cfg->txq_depth;
+ txq->tcb->unmap_q = (void *)
+ res_info[BNA_TX_RES_MEM_T_UNMAPQ].res_u.mem_info.mdl[i].kva;
+ qset = (struct bna_doorbell_qset *)0;
+ off = (unsigned long)&qset[txq->txq_id].txq[0];
+ txq->tcb->q_dbell = off +
+ BNA_GET_DOORBELL_BASE_ADDR(bna->pcidev.pci_bar_kva);
+ txq->tcb->i_dbell = &txq->ib->door_bell;
+ txq->tcb->intr_type = intr_info->intr_type;
+ txq->tcb->intr_vector = (intr_info->num == 1) ?
+ intr_info->idl[0].vector :
+ intr_info->idl[i].vector;
+ txq->tcb->txq = txq;
+ txq->tcb->bnad = bnad;
+ txq->tcb->id = i;
+
+ /* QPT, SWQPT, Pages */
+ bna_txq_qpt_setup(txq, page_count, page_size,
+ &res_info[BNA_TX_RES_MEM_T_QPT].res_u.mem_info.mdl[i],
+ &res_info[BNA_TX_RES_MEM_T_SWQPT].res_u.mem_info.mdl[i],
+ &res_info[BNA_TX_RES_MEM_T_PAGE].
+ res_u.mem_info.mdl[page_idx]);
+ txq->tcb->page_idx = page_idx;
+ txq->tcb->page_count = page_count;
+ page_idx += page_count;
+
+ /* Callback to bnad for setting up TCB */
+ if (tx->tcb_setup_cbfn)
+ (tx->tcb_setup_cbfn)(bna->bnad, txq->tcb);
+
+ i++;
+ }
+
+ /* TxF */
+
+ tx->txf.ctrl_flags = BFI_TXF_CF_ENABLE | BFI_TXF_CF_VLAN_WI_BASED;
+ tx->txf.vlan = 0;
+
+ /* Mbox element */
+ bfa_q_qe_init(&tx->mbox_qe.qe);
+
+ bfa_fsm_set_state(tx, bna_tx_sm_stopped);
+
+ return tx;
+
+err_return:
+ bna_tx_free(tx);
+ return NULL;
+}
+
+void
+bna_tx_destroy(struct bna_tx *tx)
+{
+ /* Callback to bnad for destroying TCB */
+ if (tx->tcb_destroy_cbfn) {
+ struct bna_txq *txq;
+ struct list_head *qe;
+
+ list_for_each(qe, &tx->txq_q) {
+ txq = (struct bna_txq *)qe;
+ (tx->tcb_destroy_cbfn)(tx->bna->bnad, txq->tcb);
+ }
+ }
+
+ bna_tx_free(tx);
+}
+
+void
+bna_tx_enable(struct bna_tx *tx)
+{
+ if (tx->fsm != (bfa_sm_t)bna_tx_sm_stopped)
+ return;
+
+ tx->flags |= BNA_TX_F_ENABLED;
+
+ if (tx->flags & BNA_TX_F_PORT_STARTED)
+ bfa_fsm_send_event(tx, TX_E_START);
+}
+
+void
+bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
+ void (*cbfn)(void *, struct bna_tx *, enum bna_cb_status))
+{
+ if (type == BNA_SOFT_CLEANUP) {
+ (*cbfn)(tx->bna->bnad, tx, BNA_CB_SUCCESS);
+ return;
+ }
+
+ tx->stop_cbfn = cbfn;
+ tx->stop_cbarg = tx->bna->bnad;
+
+ tx->flags &= ~BNA_TX_F_ENABLED;
+
+ bfa_fsm_send_event(tx, TX_E_STOP);
+}
+
+int
+bna_tx_state_get(struct bna_tx *tx)
+{
+ return bfa_sm_to_state(tx_sm_table, tx->fsm);
+}
+
+void
+bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
+ struct bna_res_info *res_info)
+{
+ int i;
+
+ tx_mod->bna = bna;
+ tx_mod->flags = 0;
+
+ tx_mod->tx = (struct bna_tx *)
+ res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mdl[0].kva;
+ tx_mod->txq = (struct bna_txq *)
+ res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mdl[0].kva;
+
+ INIT_LIST_HEAD(&tx_mod->tx_free_q);
+ INIT_LIST_HEAD(&tx_mod->tx_active_q);
+
+ INIT_LIST_HEAD(&tx_mod->txq_free_q);
+
+ for (i = 0; i < BFI_MAX_TXQ; i++) {
+ tx_mod->tx[i].txf.txf_id = i;
+ bfa_q_qe_init(&tx_mod->tx[i].qe);
+ list_add_tail(&tx_mod->tx[i].qe, &tx_mod->tx_free_q);
+
+ tx_mod->txq[i].txq_id = i;
+ bfa_q_qe_init(&tx_mod->txq[i].qe);
+ list_add_tail(&tx_mod->txq[i].qe, &tx_mod->txq_free_q);
+ }
+
+ tx_mod->tx_stop_wc.wc_resume = bna_tx_mod_cb_tx_stopped_all;
+ tx_mod->tx_stop_wc.wc_cbarg = tx_mod;
+ tx_mod->tx_stop_wc.wc_count = 0;
+}
+
+void
+bna_tx_mod_uninit(struct bna_tx_mod *tx_mod)
+{
+ struct list_head *qe;
+ int i;
+
+ i = 0;
+ list_for_each(qe, &tx_mod->tx_free_q)
+ i++;
+
+ i = 0;
+ list_for_each(qe, &tx_mod->txq_free_q)
+ i++;
+
+ tx_mod->bna = NULL;
+}
+
+void
+bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
+{
+ struct bna_tx *tx;
+ struct list_head *qe;
+
+ tx_mod->flags |= BNA_TX_MOD_F_PORT_STARTED;
+ if (type == BNA_TX_T_LOOPBACK)
+ tx_mod->flags |= BNA_TX_MOD_F_PORT_LOOPBACK;
+
+ list_for_each(qe, &tx_mod->tx_active_q) {
+ tx = (struct bna_tx *)qe;
+ if (tx->type == type)
+ bna_tx_start(tx);
+ }
+}
+
+void
+bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type)
+{
+ struct bna_tx *tx;
+ struct list_head *qe;
+
+ tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED;
+ tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK;
+
+ tx_mod->stop_cbfn = bna_port_cb_tx_stopped;
+
+ /**
+ * Before calling bna_tx_stop(), increment tx_stop_wc as many times
+ * as we are going to call bna_tx_stop
+ */
+ list_for_each(qe, &tx_mod->tx_active_q) {
+ tx = (struct bna_tx *)qe;
+ if (tx->type == type)
+ bfa_wc_up(&tx_mod->tx_stop_wc);
+ }
+
+ if (tx_mod->tx_stop_wc.wc_count == 0) {
+ tx_mod->stop_cbfn(&tx_mod->bna->port, BNA_CB_SUCCESS);
+ tx_mod->stop_cbfn = NULL;
+ return;
+ }
+
+ list_for_each(qe, &tx_mod->tx_active_q) {
+ tx = (struct bna_tx *)qe;
+ if (tx->type == type)
+ bna_tx_stop(tx);
+ }
+}
+
+void
+bna_tx_mod_fail(struct bna_tx_mod *tx_mod)
+{
+ struct bna_tx *tx;
+ struct list_head *qe;
+
+ tx_mod->flags &= ~BNA_TX_MOD_F_PORT_STARTED;
+ tx_mod->flags &= ~BNA_TX_MOD_F_PORT_LOOPBACK;
+
+ list_for_each(qe, &tx_mod->tx_active_q) {
+ tx = (struct bna_tx *)qe;
+ bna_tx_fail(tx);
+ }
+}
+
+void
+bna_tx_mod_prio_changed(struct bna_tx_mod *tx_mod, int prio)
+{
+ struct bna_tx *tx;
+ struct list_head *qe;
+
+ if (prio != tx_mod->priority) {
+ tx_mod->priority = prio;
+
+ list_for_each(qe, &tx_mod->tx_active_q) {
+ tx = (struct bna_tx *)qe;
+ bna_tx_prio_changed(tx, prio);
+ }
+ }
+}
+
+void
+bna_tx_mod_cee_link_status(struct bna_tx_mod *tx_mod, int cee_link)
+{
+ struct bna_tx *tx;
+ struct list_head *qe;
+
+ tx_mod->cee_link = cee_link;
+
+ list_for_each(qe, &tx_mod->tx_active_q) {
+ tx = (struct bna_tx *)qe;
+ bna_tx_cee_link_status(tx, cee_link);
+ }
+}
diff -ruP net-next-2.6.35-rc1-orig/drivers/net/bna/cna_fwimg.c net-next-2.6.35-rc1-mod/drivers/net/bna/cna_fwimg.c
--- net-next-2.6.35-rc1-orig/drivers/net/bna/cna_fwimg.c 1969-12-31 16:00:00.000000000 -0800
+++ net-next-2.6.35-rc1-mod/drivers/net/bna/cna_fwimg.c 2010-08-10 12:23:09.435212000 -0700
@@ -0,0 +1,64 @@
+/*
+ * Linux network driver for Brocade 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) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ */
+#include <linux/firmware.h>
+#include "cna.h"
+
+const struct firmware *bfi_fw;
+static u32 *bfi_image_ct_cna;
+static u32 bfi_image_ct_cna_size;
+
+u32 *
+cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
+ u32 *bfi_image_size, char *fw_name)
+{
+ const struct firmware *fw;
+
+ if (request_firmware(&fw, fw_name, &pdev->dev)) {
+ printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
+ goto error;
+ }
+
+ *bfi_image = (u32 *)fw->data;
+ *bfi_image_size = fw->size/sizeof(u32);
+ bfi_fw = fw;
+
+ return *bfi_image;
+error:
+ return NULL;
+}
+
+u32 *
+cna_get_firmware_buf(struct pci_dev *pdev)
+{
+ if (bfi_image_ct_cna_size == 0)
+ cna_read_firmware(pdev, &bfi_image_ct_cna,
+ &bfi_image_ct_cna_size, CNA_FW_FILE_CT);
+ return bfi_image_ct_cna;
+}
+
+u32 *
+bfa_cb_image_get_chunk(int type, u32 off)
+{
+ return (u32 *)(bfi_image_ct_cna + off);
+}
+
+u32
+bfa_cb_image_get_size(int type)
+{
+ return bfi_image_ct_cna_size;
+}
--
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