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Message-ID: <1437564169-16695-1-git-send-email-igal.liberman@freescale.com>
Date: Wed, 22 Jul 2015 14:22:49 +0300
From: <igal.liberman@...escale.com>
To: <netdev@...r.kernel.org>
CC: <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
<scottwood@...escale.com>, <madalin.bucur@...escale.com>,
<pebolle@...cali.nl>, <joakim.tjernlund@...nsmode.se>,
<ppc@...dchasers.com>, Igal Liberman <Igal.Liberman@...escale.com>
Subject: [v3, 8/9] fsl/fman: Add FMan Port Support
From: Igal Liberman <Igal.Liberman@...escale.com>
This patch adds The FMan Port configuration, initialization and
runtime control routines.
Signed-off-by: Igal Liberman <Igal.Liberman@...escale.com>
---
drivers/net/ethernet/freescale/fman/Makefile | 2 +-
drivers/net/ethernet/freescale/fman/fm.c | 251 ++++-
drivers/net/ethernet/freescale/fman/fm_common.h | 35 +
drivers/net/ethernet/freescale/fman/fm_drv.c | 72 +-
drivers/net/ethernet/freescale/fman/fm_drv.h | 2 +
drivers/net/ethernet/freescale/fman/fm_port_drv.c | 386 +++++++
.../net/ethernet/freescale/fman/inc/fm_port_ext.h | 340 ++++++
.../net/ethernet/freescale/fman/inc/fsl_fman_drv.h | 104 ++
drivers/net/ethernet/freescale/fman/port/Makefile | 2 +-
drivers/net/ethernet/freescale/fman/port/fm_port.c | 1081 ++++++++++++++++++++
drivers/net/ethernet/freescale/fman/port/fm_port.h | 502 +++++++++
11 files changed, 2773 insertions(+), 4 deletions(-)
create mode 100644 drivers/net/ethernet/freescale/fman/fm_port_drv.c
create mode 100644 drivers/net/ethernet/freescale/fman/inc/fm_port_ext.h
create mode 100644 drivers/net/ethernet/freescale/fman/port/fm_port.c
create mode 100644 drivers/net/ethernet/freescale/fman/port/fm_port.h
diff --git a/drivers/net/ethernet/freescale/fman/Makefile b/drivers/net/ethernet/freescale/fman/Makefile
index c6c3e24..8d637e2 100644
--- a/drivers/net/ethernet/freescale/fman/Makefile
+++ b/drivers/net/ethernet/freescale/fman/Makefile
@@ -4,7 +4,7 @@ subdir-ccflags-y += -I$(srctree)/drivers/net/ethernet/freescale/fman/flib \
obj-y += fsl_fman.o
-fsl_fman-objs := fman.o fm_muram.o fm.o fm_drv.o
+fsl_fman-objs := fman.o fm_muram.o fm.o fm_drv.o fm_port_drv.o
obj-y += port/
obj-y += mac/
diff --git a/drivers/net/ethernet/freescale/fman/fm.c b/drivers/net/ethernet/freescale/fman/fm.c
index 450ee6b..a8ecf0b 100644
--- a/drivers/net/ethernet/freescale/fman/fm.c
+++ b/drivers/net/ethernet/freescale/fman/fm.c
@@ -376,11 +376,29 @@ static void qmi_err_event(struct fm_t *fm)
static void dma_err_event(struct fm_t *fm)
{
- u32 status;
+ u32 status, com_id;
+ u8 tnum, port_id, relative_port_id;
+ u16 liodn;
struct fman_dma_regs __iomem *dma_rg = fm->dma_regs;
status = fman_get_dma_err_event(dma_rg);
+ if (status & DMA_STATUS_BUS_ERR) {
+ com_id = fman_get_dma_com_id(dma_rg);
+ port_id = (u8)(((com_id & DMA_TRANSFER_PORTID_MASK) >>
+ DMA_TRANSFER_PORTID_SHIFT));
+ relative_port_id =
+ hw_port_id_to_sw_port_id(fm->fm_state->rev_info.major_rev,
+ port_id);
+ tnum = (u8)((com_id & DMA_TRANSFER_TNUM_MASK) >>
+ DMA_TRANSFER_TNUM_SHIFT);
+ liodn = (u16)(com_id & DMA_TRANSFER_LIODN_MASK);
+ WARN_ON(fm->fm_state->ports_types[port_id] ==
+ FM_PORT_TYPE_DUMMY);
+ fm->bus_error_cb(fm->dev_id, fm->fm_state->ports_types[port_id],
+ relative_port_id,
+ fman_get_dma_addr(dma_rg), tnum, liodn);
+ }
if (status & DMA_STATUS_FM_SPDAT_ECC)
fm->exception_cb(fm->dev_id, FM_EX_DMA_SINGLE_PORT_ECC);
if (status & DMA_STATUS_READ_ECC)
@@ -587,6 +605,233 @@ u8 fm_get_id(struct fm_t *fm)
return fm->fm_state->fm_id;
}
+int fm_get_set_port_params(struct fm_t *fm,
+ struct fm_inter_module_port_init_params_t
+ *port_params)
+{
+ int err;
+ unsigned long int_flags;
+ u8 port_id = port_params->port_id, mac_id;
+ struct fman_rg fman_rg;
+
+ fman_rg.bmi_rg = fm->bmi_regs;
+ fman_rg.qmi_rg = fm->qmi_regs;
+ fman_rg.fpm_rg = fm->fpm_regs;
+ fman_rg.dma_rg = fm->dma_regs;
+
+ spin_lock_irqsave(&fm->spinlock, int_flags);
+
+ fm->fm_state->ports_types[port_id] = port_params->port_type;
+
+ err = fm_set_num_of_tasks(fm, port_params->port_id,
+ &port_params->num_of_tasks,
+ &port_params->num_of_extra_tasks);
+ if (err) {
+ spin_unlock_irqrestore(&fm->spinlock, int_flags);
+ return err;
+ }
+
+ /* TX Ports */
+ if (port_params->port_type != FM_PORT_TYPE_RX) {
+ u32 enq_th;
+ u32 deq_th;
+
+ /* update qmi ENQ/DEQ threshold */
+ fm->fm_state->accumulated_num_of_deq_tnums +=
+ port_params->deq_pipeline_depth;
+ enq_th = fman_get_qmi_enq_th(fman_rg.qmi_rg);
+ /* if enq_th is too big, we reduce it to the max value
+ * that is still 0
+ */
+ if (enq_th >= (fm->intg->qmi_max_num_of_tnums -
+ fm->fm_state->accumulated_num_of_deq_tnums)) {
+ enq_th =
+ fm->intg->qmi_max_num_of_tnums -
+ fm->fm_state->accumulated_num_of_deq_tnums - 1;
+ fman_set_qmi_enq_th(fman_rg.qmi_rg, enq_th);
+ }
+
+ deq_th = fman_get_qmi_deq_th(fman_rg.qmi_rg);
+ /* if deq_th is too small, we enlarge it to the min
+ * value that is still 0.
+ * depTh may not be larger than 63
+ * (fm->intg->qmi_max_num_of_tnums-1).
+ */
+ if ((deq_th <= fm->fm_state->accumulated_num_of_deq_tnums) &&
+ (deq_th < fm->intg->qmi_max_num_of_tnums - 1)) {
+ deq_th =
+ fm->fm_state->accumulated_num_of_deq_tnums + 1;
+ fman_set_qmi_deq_th(fman_rg.qmi_rg, deq_th);
+ }
+ }
+
+ err = fm_set_size_of_fifo(fm, port_params->port_id,
+ &port_params->size_of_fifo,
+ &port_params->extra_size_of_fifo);
+ if (err) {
+ spin_unlock_irqrestore(&fm->spinlock, int_flags);
+ return err;
+ }
+
+ err = fm_set_num_of_open_dmas(fm, port_params->port_id,
+ &port_params->num_of_open_dmas,
+ &port_params->num_of_extra_open_dmas);
+ if (err) {
+ spin_unlock_irqrestore(&fm->spinlock, int_flags);
+ return err;
+ }
+
+ fman_set_liodn_per_port(&fman_rg, port_id, port_params->liodn_base,
+ port_params->liodn_offset);
+
+ if (fm->fm_state->rev_info.major_rev < 6)
+ fman_set_order_restoration_per_port(fman_rg.fpm_rg,
+ port_id,
+ !!((port_params->
+ port_type ==
+ FM_PORT_TYPE_RX)));
+
+ mac_id = hw_port_id_to_sw_port_id(fm->fm_state->rev_info.
+ major_rev,
+ port_id);
+
+ if (port_params->max_frame_length >= fm->fm_state->mac_mfl[mac_id]) {
+ fm->fm_state->port_mfl[mac_id] = port_params->max_frame_length;
+ } else {
+ pr_warn("Port max_frame_length is smaller than MAC current MTU\n");
+ spin_unlock_irqrestore(&fm->spinlock, int_flags);
+ return -EINVAL;
+ }
+
+ spin_unlock_irqrestore(&fm->spinlock, int_flags);
+
+ return 0;
+}
+
+int fm_set_size_of_fifo(struct fm_t *fm, u8 port_id, u32 *size_of_fifo,
+ u32 *extra_size_of_fifo)
+{
+ struct fman_bmi_regs __iomem *bmi_rg = fm->bmi_regs;
+ u32 fifo = *size_of_fifo;
+ u32 extra_fifo = *extra_size_of_fifo;
+
+ /* if this is the first time a port requires extra_fifo_pool_size,
+ * the total extra_fifo_pool_size must be initialized to 1 buffer per
+ * port
+ */
+ if (extra_fifo && !fm->fm_state->extra_fifo_pool_size)
+ fm->fm_state->extra_fifo_pool_size =
+ fm->intg->num_of_rx_ports * BMI_FIFO_UNITS;
+
+ fm->fm_state->extra_fifo_pool_size =
+ max(fm->fm_state->extra_fifo_pool_size, extra_fifo);
+
+ /* check that there are enough uncommitted fifo size */
+ if ((fm->fm_state->accumulated_fifo_size + fifo) >
+ (fm->fm_state->total_fifo_size -
+ fm->fm_state->extra_fifo_pool_size)) {
+ pr_err("Requested fifo size and extra size exceed total FIFO size.\n");
+ return -EAGAIN;
+ }
+ /* update accumulated */
+ fm->fm_state->accumulated_fifo_size += fifo;
+ fman_set_size_of_fifo(bmi_rg, port_id, fifo, extra_fifo);
+
+ return 0;
+}
+
+int fm_set_num_of_tasks(struct fm_t *fm, u8 port_id, u8 *num_of_tasks,
+ u8 *num_of_extra_tasks)
+{
+ struct fman_bmi_regs __iomem *bmi_rg = fm->bmi_regs;
+ u8 tasks = *num_of_tasks;
+ u8 extra_tasks = *num_of_extra_tasks;
+
+ if (extra_tasks)
+ fm->fm_state->extra_tasks_pool_size =
+ (u8)max(fm->fm_state->extra_tasks_pool_size, extra_tasks);
+
+ /* check that there are enough uncommitted tasks */
+ if ((fm->fm_state->accumulated_num_of_tasks + tasks) >
+ (fm->fm_state->total_num_of_tasks -
+ fm->fm_state->extra_tasks_pool_size)) {
+ pr_err("Requested num_of_tasks and extra tasks pool for fm%d exceed total num_of_tasks.\n",
+ fm->fm_state->fm_id);
+ return -EAGAIN;
+ }
+ /* update accumulated */
+ fm->fm_state->accumulated_num_of_tasks += tasks;
+ fman_set_num_of_tasks(bmi_rg, port_id, tasks, extra_tasks);
+
+ return 0;
+}
+
+int fm_set_num_of_open_dmas(struct fm_t *fm, u8 port_id, u8 *num_of_open_dmas,
+ u8 *num_of_extra_open_dmas)
+{
+ struct fman_bmi_regs __iomem *bmi_rg = fm->bmi_regs;
+ u8 open_dmas = *num_of_open_dmas;
+ u8 extra_open_dmas = *num_of_extra_open_dmas;
+ u8 total_num_dmas = 0, current_val = 0, current_extra_val = 0;
+
+ if (!open_dmas) {
+ /* !open_dmas - first configuration according
+ * to values in regs.- read the current number of
+ * open Dma's
+ */
+ current_extra_val = fman_get_num_extra_dmas(bmi_rg, port_id);
+ current_val = fman_get_num_of_dmas(bmi_rg, port_id);
+ /* This is the first configuration and user did not
+ * specify value (!open_dmas), reset values will be used
+ * and we just save these values for resource management
+ */
+ fm->fm_state->extra_open_dmas_pool_size =
+ (u8)max(fm->fm_state->extra_open_dmas_pool_size,
+ current_extra_val);
+ fm->fm_state->accumulated_num_of_open_dmas += current_val;
+ *num_of_open_dmas = current_val;
+ *num_of_extra_open_dmas = current_extra_val;
+ return 0;
+ }
+
+ if (extra_open_dmas > current_extra_val)
+ fm->fm_state->extra_open_dmas_pool_size =
+ (u8)max(fm->fm_state->extra_open_dmas_pool_size,
+ extra_open_dmas);
+
+ if ((fm->fm_state->rev_info.major_rev < 6) &&
+ (fm->fm_state->accumulated_num_of_open_dmas - current_val +
+ open_dmas > fm->fm_state->max_num_of_open_dmas)) {
+ pr_err("Requested num_of_open_dmas for fm%d exceeds total num_of_open_dmas.\n",
+ fm->fm_state->fm_id);
+ return -EAGAIN;
+ } else if ((fm->fm_state->rev_info.major_rev >= 6) &&
+ !((fm->fm_state->rev_info.major_rev == 6) &&
+ (fm->fm_state->rev_info.minor_rev == 0)) &&
+ (fm->fm_state->accumulated_num_of_open_dmas -
+ current_val + open_dmas >
+ fm->intg->dma_thresh_max_commq + 1)) {
+ pr_err("Requested num_of_open_dmas for fm%d exceeds DMA Command queue (%d)\n",
+ fm->fm_state->fm_id, fm->intg->dma_thresh_max_commq + 1);
+ return -EAGAIN;
+ }
+
+ WARN_ON(fm->fm_state->accumulated_num_of_open_dmas < current_val);
+ /* update acummulated */
+ fm->fm_state->accumulated_num_of_open_dmas -= current_val;
+ fm->fm_state->accumulated_num_of_open_dmas += open_dmas;
+
+ if (fm->fm_state->rev_info.major_rev < 6)
+ total_num_dmas =
+ (u8)(fm->fm_state->accumulated_num_of_open_dmas +
+ fm->fm_state->extra_open_dmas_pool_size);
+
+ fman_set_num_of_open_dmas(bmi_rg, port_id, open_dmas,
+ extra_open_dmas, total_num_dmas);
+
+ return 0;
+}
+
int fm_reset_mac(struct fm_t *fm, u8 mac_id)
{
int err;
@@ -690,6 +935,7 @@ static int init_fm_dma(struct fm_t *fm)
void *fm_config(struct fm_params_t *fm_param)
{
struct fm_t *fm;
+ u8 i;
void __iomem *base_addr;
base_addr = fm_param->base_addr;
@@ -706,6 +952,9 @@ void *fm_config(struct fm_params_t *fm_param)
/* Initialize FM parameters which will be kept by the driver */
fm->fm_state->fm_id = fm_param->fm_id;
+ for (i = 0; i < FM_MAX_NUM_OF_HW_PORT_IDS; i++)
+ fm->fm_state->ports_types[i] = FM_PORT_TYPE_DUMMY;
+
/* Allocate the FM driver's parameters structure */
fm->fm_drv_param = kzalloc(sizeof(*fm->fm_drv_param), GFP_KERNEL);
if (!fm->fm_drv_param)
diff --git a/drivers/net/ethernet/freescale/fman/fm_common.h b/drivers/net/ethernet/freescale/fman/fm_common.h
index abe89a7..ae51553 100644
--- a/drivers/net/ethernet/freescale/fman/fm_common.h
+++ b/drivers/net/ethernet/freescale/fman/fm_common.h
@@ -120,6 +120,30 @@ enum fm_mac_type {
FM_MAC_1G /* 1G MAC */
};
+/* Structure for port-FM communication
+ * during fm_port_init. Fields commented 'IN' are passed
+ * by the port module to be used by the FM module.
+ * Fields commented 'OUT' will be filled by FM before returning to port.
+ * Some fields are optional (depending on configuration) and
+ * will be analized by the port and FM modules accordingly.
+ */
+struct fm_inter_module_port_init_params_t {
+ u8 port_id; /* IN. port Id */
+ enum fm_port_type port_type; /* IN. Port type */
+ enum fm_port_speed port_speed; /* IN. Port speed */
+ u16 liodn_offset; /* IN. Port's requested resource */
+ u8 num_of_tasks; /* IN. Port's requested resource */
+ u8 num_of_extra_tasks; /* IN. Port's requested resource */
+ u8 num_of_open_dmas; /* IN. Port's requested resource */
+ u8 num_of_extra_open_dmas; /* IN. Port's requested resource */
+ u32 size_of_fifo; /* IN. Port's requested resource */
+ u32 extra_size_of_fifo; /* IN. Port's requested resource */
+ u8 deq_pipeline_depth; /* IN. Port's requested resource */
+ u16 max_frame_length; /* IN. Port's max frame length. */
+ u16 liodn_base;
+ /* LIODN base for this port, to be used together with LIODN offset. */
+};
+
void fm_register_intr(struct fm_t *fm, enum fm_event_modules mod, u8 mod_id,
enum fm_intr_type intr_type,
void (*f_isr)(void *h_src_arg), void *h_src_arg);
@@ -135,6 +159,17 @@ u16 fm_get_clock_freq(struct fm_t *fm);
u8 fm_get_id(struct fm_t *fm);
+int fm_get_set_port_params(struct fm_t *fm,
+ struct fm_inter_module_port_init_params_t
+ *port_params);
+
+int fm_set_num_of_open_dmas(struct fm_t *fm, u8 port_id, u8 *num_of_open_dmas,
+ u8 *num_of_extra_open_dmas);
+int fm_set_num_of_tasks(struct fm_t *fm, u8 port_id, u8 *num_of_tasks,
+ u8 *num_of_extra_tasks);
+int fm_set_size_of_fifo(struct fm_t *fm, u8 port_id, u32 *size_of_fifo,
+ u32 *extra_size_of_fifo);
+
u32 fm_get_bmi_max_fifo_size(struct fm_t *fm);
int fm_set_mac_max_frame(struct fm_t *fm, enum fm_mac_type type, u8 mac_id,
diff --git a/drivers/net/ethernet/freescale/fman/fm_drv.c b/drivers/net/ethernet/freescale/fman/fm_drv.c
index f2bee7b..7e9dc28 100644
--- a/drivers/net/ethernet/freescale/fman/fm_drv.c
+++ b/drivers/net/ethernet/freescale/fman/fm_drv.c
@@ -144,6 +144,51 @@ static irqreturn_t fm_err_irq(int irq, void *fm_dev)
return IRQ_NONE;
}
+static int fill_rest_fm_info(struct fm_drv_t *fm_drv)
+{
+#define FM_BMI_PPIDS_OFFSET 0x00080304
+#define FM_DMA_PLR_OFFSET 0x000c2060
+#define DMA_HIGH_LIODN_MASK 0x0FFF0000
+#define DMA_LOW_LIODN_MASK 0x00000FFF
+#define DMA_LIODN_SHIFT 16
+
+ struct plr_t {
+ u32 plr[32];
+ };
+
+ struct ppids_t {
+ u32 fmbm_ppid[63];
+ };
+
+ struct plr_t *p_plr;
+ struct ppids_t __iomem *p_ppids;
+ int i;
+
+ p_plr = (struct plr_t *)(fm_drv->fm_base_addr + FM_DMA_PLR_OFFSET);
+
+ for (i = 0; i < FM_MAX_NUM_OF_PARTITIONS; i++) {
+ u16 liodn_base;
+
+ liodn_base = (u16)((i % 2) ?
+ (p_plr->plr[i / 2] & DMA_LOW_LIODN_MASK) :
+ ((p_plr->plr[i / 2] & DMA_HIGH_LIODN_MASK) >>
+ DMA_LIODN_SHIFT));
+
+ if (((i >= FIRST_RX_PORT) && (i <= LAST_RX_PORT)) ||
+ ((i >= FIRST_TX_PORT) && (i <= LAST_TX_PORT)))
+ fm_drv->ports[i].port_params.liodn_base = liodn_base;
+ }
+
+ p_ppids = (struct ppids_t __iomem *)
+ (fm_drv->fm_base_addr + FM_BMI_PPIDS_OFFSET);
+
+ for (i = FIRST_RX_PORT; i <= LAST_RX_PORT; i++)
+ fm_drv->ports[i].port_params.specific_params.rx_params.
+ liodn_offset = (u16)ioread32be(&p_ppids->fmbm_ppid[i - 1]);
+
+ return 0;
+}
+
static int fill_qman_channels_info(struct fm_drv_t *fm_drv)
{
fm_drv->qman_channels = kcalloc(fm_drv->num_of_qman_channels,
@@ -418,7 +463,7 @@ static int configure_fm_dev(struct fm_drv_t *fm_drv)
fm_drv->params.bus_error_cb = fm_drv_bus_error_cb;
fm_drv->params.dev_id = fm_drv;
- return 0;
+ return fill_rest_fm_info(fm_drv);
}
static int init_fm_dev(struct fm_drv_t *fm_drv)
@@ -540,6 +585,31 @@ void *fm_get_handle(struct fm *fm)
return (void *)fm_drv->fm_dev;
}
+struct fm_port_drv_t *fm_port_bind(struct device *fm_port_dev)
+{
+ return (struct fm_port_drv_t *)
+ (dev_get_drvdata(get_device(fm_port_dev)));
+}
+
+struct fm_port_t *fm_port_drv_handle(const struct fm_port_drv_t *port)
+{
+ return port->fm_port;
+}
+EXPORT_SYMBOL(fm_port_drv_handle);
+
+void fm_port_get_buff_layout_ext_params(struct fm_port_drv_t *port,
+ struct fm_port_params *params)
+{
+ params->data_align = 0;
+}
+EXPORT_SYMBOL(fm_port_get_buff_layout_ext_params);
+
+int fm_get_tx_port_channel(struct fm_port_drv_t *port)
+{
+ return port->tx_ch;
+}
+EXPORT_SYMBOL(fm_get_tx_port_channel);
+
static const struct of_device_id fm_match[] = {
{
.compatible = "fsl,fman"},
diff --git a/drivers/net/ethernet/freescale/fman/fm_drv.h b/drivers/net/ethernet/freescale/fman/fm_drv.h
index 73d9eff..298a9b96 100644
--- a/drivers/net/ethernet/freescale/fman/fm_drv.h
+++ b/drivers/net/ethernet/freescale/fman/fm_drv.h
@@ -36,6 +36,7 @@
#include <asm/mpc85xx.h>
#include "fsl_fman_drv.h"
+#include "fm_port_ext.h"
#ifndef CONFIG_FSL_FM_MAX_FRAME_SIZE
#define CONFIG_FSL_FM_MAX_FRAME_SIZE 0
@@ -69,6 +70,7 @@ struct fm_port_drv_t {
phys_addr_t phys_base_addr;
void __iomem *base_addr; /* Port's *virtual* address */
resource_size_t mem_size;
+ struct fm_port_params_t port_params;
struct fm_buffer_prefix_content_t buff_prefix_content;
struct fm_port_t *fm_port;
struct fm_drv_t *fm;
diff --git a/drivers/net/ethernet/freescale/fman/fm_port_drv.c b/drivers/net/ethernet/freescale/fman/fm_port_drv.c
new file mode 100644
index 0000000..3807f5f
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/fm_port_drv.c
@@ -0,0 +1,386 @@
+/*
+ * Copyright 2008-2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+
+#include "fm_common.h"
+#include "fsl_fman_drv.h"
+#include "fm_port_ext.h"
+#include "fm_drv.h"
+
+static struct fm_port_drv_t
+*read_fm_port_dev_tree_node(struct platform_device *of_dev)
+{
+ struct fm_drv_t *fm_drv;
+ struct fm_port_drv_t *port;
+ struct device_node *fm_node, *port_node;
+ struct resource res;
+ const u32 *u32_prop;
+ int err = 0, lenp;
+ enum fm_port_type port_type;
+ enum fm_port_speed port_speed = FM_PORT_SPEED_DUMMY;
+ u8 cell_index;
+
+ port_node = of_node_get(of_dev->dev.of_node);
+
+ /* Get the FM node */
+ fm_node = of_get_parent(port_node);
+ if (!fm_node) {
+ pr_err("of_get_parent() = %d\n", err);
+ return NULL;
+ }
+
+ fm_drv = dev_get_drvdata(&of_find_device_by_node(fm_node)->dev);
+ of_node_put(fm_node);
+
+ /* if fm_probe() failed, no point in going further with port probing */
+ if (!fm_drv)
+ return NULL;
+
+ u32_prop = (u32 *)of_get_property(port_node, "cell-index", &lenp);
+ if (!u32_prop) {
+ pr_err("of_get_property(%s, cell-index) failed\n",
+ port_node->full_name);
+ return NULL;
+ }
+ if (WARN_ON(lenp != sizeof(u32)))
+ return NULL;
+ cell_index = (u8)*u32_prop;
+
+ port = &fm_drv->ports[cell_index];
+ port->id = cell_index;
+ port->port_params.port_id = port->id;
+
+ if (of_device_is_compatible(port_node, "fsl,fman-v3-port-tx")) {
+ port_type = FM_PORT_TYPE_TX;
+ port_speed = FM_PORT_SPEED_1G;
+ u32_prop = (u32 *)of_get_property(port_node,
+ "fsl,fman-10g-port", &lenp);
+ if (u32_prop)
+ port_speed = FM_PORT_SPEED_10G;
+
+ } else if (of_device_is_compatible(port_node, "fsl,fman-v2-port-tx")) {
+ if (cell_index >= TX_10G_PORT_BASE)
+ port_speed = FM_PORT_SPEED_10G;
+ else
+ port_speed = FM_PORT_SPEED_1G;
+ port_type = FM_PORT_TYPE_TX;
+
+ } else if (of_device_is_compatible(port_node, "fsl,fman-v3-port-rx")) {
+ port_type = FM_PORT_TYPE_RX;
+ port_speed = FM_PORT_SPEED_1G;
+ u32_prop = (u32 *)of_get_property(port_node,
+ "fsl,fman-10g-port", &lenp);
+ if (u32_prop)
+ port_speed = FM_PORT_SPEED_10G;
+
+ } else if (of_device_is_compatible(port_node, "fsl,fman-v2-port-rx")) {
+ if (cell_index >= RX_10G_PORT_BASE)
+ port_speed = FM_PORT_SPEED_10G;
+ else
+ port_speed = FM_PORT_SPEED_1G;
+ port_type = FM_PORT_TYPE_RX;
+
+ } else {
+ pr_err("Illegal port type\n");
+ return NULL;
+ }
+
+ port->port_params.port_type = port_type;
+ port->port_params.port_speed = port_speed;
+
+ if (port_type == FM_PORT_TYPE_TX) {
+ u32 qman_channel_id;
+
+ qman_channel_id = get_qman_channel_id(fm_drv, cell_index);
+
+ if (qman_channel_id == 0) {
+ pr_err("incorrect qman-channel-id\n");
+ return NULL;
+ }
+ port->tx_ch = qman_channel_id;
+ port->port_params.specific_params.non_rx_params.qm_channel =
+ qman_channel_id;
+ }
+
+ err = of_address_to_resource(port_node, 0, &res);
+ if (err < 0) {
+ pr_err("of_address_to_resource() = %d\n", err);
+ return NULL;
+ }
+
+ port->dev = &of_dev->dev;
+ port->base_addr = 0;
+ port->phys_base_addr = res.start;
+ port->mem_size = res.end + 1 - res.start;
+ port->port_params.fm = fm_drv->fm_dev;
+ port->fm = (void *)fm_drv;
+
+ of_node_put(port_node);
+
+ port->active = true;
+
+ return port;
+}
+
+static int configure_fm_port_dev(struct fm_port_drv_t *port)
+{
+ struct fm_drv_t *fm_drv = (struct fm_drv_t *)port->fm;
+ struct resource *dev_res;
+
+ if (!port->active) {
+ pr_err("FM port not configured!!!\n");
+ return -EINVAL;
+ }
+
+ dev_res = __devm_request_region(fm_drv->dev, fm_drv->res,
+ port->phys_base_addr,
+ port->mem_size,
+ "fman-port-hc");
+ if (!dev_res) {
+ pr_err("__devm_request_region() failed\n");
+ return -EINVAL;
+ }
+ port->base_addr = devm_ioremap(fm_drv->dev, port->phys_base_addr,
+ port->mem_size);
+ if (port->base_addr == 0)
+ pr_err("devm_ioremap() failed\n");
+
+ port->port_params.base_addr = port->base_addr;
+
+ return 0;
+}
+
+static int init_fm_port_dev(struct fm_port_drv_t *port)
+{
+ struct fm_drv_t *fm_drv = (struct fm_drv_t *)port->fm;
+
+ if (!port->active || port->fm_port)
+ return -EINVAL;
+
+ port->fm_port = fm_port_config(&port->port_params);
+ if (!port->fm_port) {
+ pr_err("fm_port_config() failed\n");
+ return -EINVAL;
+ }
+
+ fm_get_revision(fm_drv->fm_dev, &port->fm_rev_info);
+
+ /* FM_QMI_NO_DEQ_OPTIONS_SUPPORT Errata workaround */
+ if (port->port_params.port_type == FM_PORT_TYPE_TX) {
+ int err = 0;
+
+ err = fm_port_cfg_deq_high_priority(port->fm_port, true);
+ if (err)
+ return err;
+ err =
+ fm_port_cfg_deq_prefetch_option(port->fm_port,
+ FM_PORT_DEQ_FULL_PREFETCH);
+ if (err)
+ return err;
+ }
+
+ /* Configure BCB workaround on Rx ports, only for B4860 rev1 */
+ if ((port->fm_rev_info.major_rev >= 6) &&
+ (port->port_params.port_type == FM_PORT_TYPE_RX)) {
+ unsigned int svr;
+
+ svr = mfspr(SPRN_SVR);
+ if ((SVR_SOC_VER(svr) == SVR_B4860) && (SVR_MAJ(svr) == 1))
+ fm_port_cfg_bcb_wa(port->fm_port);
+ }
+
+ fm_port_cfg_buf_prefix_content(port->fm_port,
+ &port->buff_prefix_content);
+
+ if (fm_port_init(port->fm_port) != 0) {
+ pr_err("fm_port_init() failed\n");
+ return -EINVAL;
+ }
+
+/* FMan Fifo sizes "behind the scene":
+ * Using the following formulae (*), under a set of simplifying assumptions (.):
+ * . all ports are configured in Normal Mode (rather than Independent Mode)
+ * . the DPAA Eth driver allocates buffers of size:
+ * . MAXFRM + NET_IP_ALIGN + DPA_PRIV_DATA_SIZE + DPA_PARSE_RESULTS_SIZE
+ * + DPA_HASH_RESULTS_SIZE, i.e.:
+ * MAXFRM + 2 + 16 + sizeof(fm_prs_result_t) + 16, i.e.:
+ * MAXFRM + 66
+ * . excessive buffer pools not accounted for
+ *
+ * for Rx ports on P4080:
+ * . IFSZ = ceil(max(FMBM_EBMPI[PBS]) / 256)*256 + 7*256
+ * . no internal frame offset (FMBM_RIM[FOF] == 0) - otherwise,
+ * add up to 256 to the above
+ *
+ * for Tx ports:
+ * . IFSZ = ceil(frame_size / 256)*256 + 3*256
+ * + FMBM_TFP[DPDE]*256, i.e.:
+ * IFSZ = ceil(MAXFRM / 256)*256 + 3 x 256 + FMBM_TFP[DPDE]*256
+ *
+ * for P4080:
+ * . (conservative decisions, assuming that BMI must bring the entire
+ * frame, not only the frame header)
+ * . no internal frame offset (FMBM_OIM[FOF] == 0) - otherwise,
+ * add up to 256 to the above
+ *
+ * . for P4080/P5020/P3041/P2040, DPDE is:
+ * > 0 or 1, for 1Gb ports, HW default: 0
+ * > 2..7 (recommended: 3..7) for 10Gb ports, HW default: 3
+ *
+ * . for P4080, MXT is in range (0..63)
+ *
+ */
+ return 0;
+}
+
+void fm_set_rx_port_params(struct fm_port_drv_t *port,
+ struct fm_port_params *params)
+{
+ int i;
+
+ port->port_params.specific_params.rx_params.err_fqid = params->errq;
+ port->port_params.specific_params.rx_params.dflt_fqid = params->defq;
+ port->port_params.specific_params.rx_params.
+ ext_buf_pools.num_of_pools_used = params->num_pools;
+ for (i = 0; i < params->num_pools; i++) {
+ port->port_params.specific_params.rx_params.ext_buf_pools.
+ ext_buf_pool[i].id = params->pool_param[i].id;
+ port->port_params.specific_params.rx_params.ext_buf_pools.
+ ext_buf_pool[i].size = params->pool_param[i].size;
+ }
+
+ port->buff_prefix_content.priv_data_size = params->priv_data_size;
+ port->buff_prefix_content.pass_prs_result = params->parse_results;
+ port->buff_prefix_content.pass_hash_result = params->hash_results;
+ port->buff_prefix_content.pass_time_stamp = params->time_stamp;
+ port->buff_prefix_content.data_align = params->data_align;
+
+ init_fm_port_dev(port);
+}
+EXPORT_SYMBOL(fm_set_rx_port_params);
+
+void fm_set_tx_port_params(struct fm_port_drv_t *port,
+ struct fm_port_params *params)
+{
+ port->port_params.specific_params.non_rx_params.err_fqid =
+ params->errq;
+ port->port_params.specific_params.non_rx_params.dflt_fqid =
+ params->defq;
+
+ port->buff_prefix_content.priv_data_size = params->priv_data_size;
+ port->buff_prefix_content.pass_prs_result = params->parse_results;
+ port->buff_prefix_content.pass_hash_result = params->hash_results;
+ port->buff_prefix_content.pass_time_stamp = params->time_stamp;
+ port->buff_prefix_content.data_align = params->data_align;
+
+ init_fm_port_dev(port);
+}
+EXPORT_SYMBOL(fm_set_tx_port_params);
+
+static int fm_port_probe(struct platform_device *of_dev)
+{
+ struct fm_port_drv_t *port;
+ struct fm_drv_t *fm_drv;
+ struct device *dev;
+
+ dev = &of_dev->dev;
+
+ port = read_fm_port_dev_tree_node(of_dev);
+ if (!port)
+ return -EIO;
+
+ if (!port->active)
+ return 0;
+
+ if (configure_fm_port_dev(port) != 0)
+ return -EIO;
+
+ dev_set_drvdata(dev, port);
+
+ fm_drv = (struct fm_drv_t *)port->fm;
+
+ if (port->port_params.port_type == FM_PORT_TYPE_RX) {
+ snprintf(port->name, sizeof(port->name),
+ "%s-port-rx%d", fm_drv->name, port->id);
+ } else if (port->port_params.port_type == FM_PORT_TYPE_TX) {
+ snprintf(port->name, sizeof(port->name),
+ "%s-port-tx%d", fm_drv->name, port->id);
+ }
+
+ /* FM_TX_INVALID_ECC_ERRATA_10GMAC_A009 Errata workaround */
+ if (port->fm_rev_info.major_rev < 6)
+ fm_disable_rams_ecc(fm_drv->fm_dev);
+
+ pr_debug("%s probed\n", port->name);
+
+ return 0;
+}
+
+static const struct of_device_id fm_port_match[] = {
+ {.compatible = "fsl,fman-v3-port-rx"},
+ {.compatible = "fsl,fman-v2-port-rx"},
+ {.compatible = "fsl,fman-v3-port-tx"},
+ {.compatible = "fsl,fman-v2-port-tx"},
+ {}
+};
+
+MODULE_DEVICE_TABLE(of, fm_port_match);
+
+static struct platform_driver fm_port_driver = {
+ .driver = {
+ .name = "fsl-fman-port",
+ .of_match_table = fm_port_match,
+ },
+ .probe = fm_port_probe,
+};
+
+builtin_platform_driver(fm_port_driver);
+
+static int __init __cold fm_port_load(void)
+{
+ if (platform_driver_register(&fm_port_driver)) {
+ pr_crit("platform_driver_register() failed\n");
+ return -ENODEV;
+ }
+
+ pr_info("Freescale FMan Ports module\n");
+
+ return 0;
+}
+
+device_initcall(fm_port_load);
diff --git a/drivers/net/ethernet/freescale/fman/inc/fm_port_ext.h b/drivers/net/ethernet/freescale/fman/inc/fm_port_ext.h
new file mode 100644
index 0000000..56c83b5
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/inc/fm_port_ext.h
@@ -0,0 +1,340 @@
+/*
+ * Copyright 2008-2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __FM_PORT_EXT
+#define __FM_PORT_EXT
+
+#include "fm_ext.h"
+
+/* FM Port API
+ * The FM uses a general module called "port" to represent a Tx port (MAC),
+ * an Rx port (MAC) or Offline Parsing port.
+ * The number of ports in an FM varies between SOCs.
+ * The SW driver manages these ports as sub-modules of the FM,i.e. after an
+ * FM is initialized, its ports may be initialized and operated upon.
+ * The port is initialized aware of its type, but other functions on a port
+ * may be indifferent to its type. When necessary, the driver verifies
+ * coherence and returns error if applicable.
+ * On initialization, user specifies the port type and it's index (relative
+ * to the port's type) - always starting at 0.
+ */
+
+/* General FM Port defines */
+/* Number of 4 bytes words in parser result */
+#define FM_PORT_PRS_RESULT_NUM_OF_WORDS 8
+
+/* FM Frame error */
+/* Frame Descriptor errors */
+/* Not for Rx-Port! Unsupported Format */
+#define FM_PORT_FRM_ERR_UNSUPPORTED_FORMAT FM_FD_ERR_UNSUPPORTED_FORMAT
+/* Not for Rx-Port! Length Error */
+#define FM_PORT_FRM_ERR_LENGTH FM_FD_ERR_LENGTH
+/* DMA Data error */
+#define FM_PORT_FRM_ERR_DMA FM_FD_ERR_DMA
+/* non Frame-Manager error; probably come from SEC that was chained to FM */
+#define FM_PORT_FRM_ERR_NON_FM FM_FD_RX_STATUS_ERR_NON_FM
+ /* IPR error */
+#define FM_PORT_FRM_ERR_IPRE (FM_FD_ERR_IPR & ~FM_FD_IPR)
+/* IPR non-consistent-sp */
+#define FM_PORT_FRM_ERR_IPR_NCSP (FM_FD_ERR_IPR_NCSP & \
+ ~FM_FD_IPR)
+
+/* Rx FIFO overflow, FCS error, code error, running disparity
+ * error (SGMII and TBI modes), FIFO parity error.
+ * PHY Sequence error, PHY error control character detected.
+ */
+#define FM_PORT_FRM_ERR_PHYSICAL FM_FD_ERR_PHYSICAL
+/* Frame too long OR Frame size exceeds max_length_frame */
+#define FM_PORT_FRM_ERR_SIZE FM_FD_ERR_SIZE
+/* indicates a classifier "drop" operation */
+#define FM_PORT_FRM_ERR_CLS_DISCARD FM_FD_ERR_CLS_DISCARD
+/* Extract Out of Frame */
+#define FM_PORT_FRM_ERR_EXTRACTION FM_FD_ERR_EXTRACTION
+/* No Scheme Selected */
+#define FM_PORT_FRM_ERR_NO_SCHEME FM_FD_ERR_NO_SCHEME
+/* Keysize Overflow */
+#define FM_PORT_FRM_ERR_KEYSIZE_OVERFLOW FM_FD_ERR_KEYSIZE_OVERFLOW
+/* Frame color is red */
+#define FM_PORT_FRM_ERR_COLOR_RED FM_FD_ERR_COLOR_RED
+/* Frame color is yellow */
+#define FM_PORT_FRM_ERR_COLOR_YELLOW FM_FD_ERR_COLOR_YELLOW
+/* Parser Time out Exceed */
+#define FM_PORT_FRM_ERR_PRS_TIMEOUT FM_FD_ERR_PRS_TIMEOUT
+/* Invalid Soft Parser instruction */
+#define FM_PORT_FRM_ERR_PRS_ILL_INSTRUCT FM_FD_ERR_PRS_ILL_INSTRUCT
+/* Header error was identified during parsing */
+#define FM_PORT_FRM_ERR_PRS_HDR_ERR FM_FD_ERR_PRS_HDR_ERR
+/* Frame parsed beyind 256 first bytes */
+#define FM_PORT_FRM_ERR_BLOCK_LIMIT_EXCEEDED FM_FD_ERR_BLOCK_LIMIT_EXCEEDED
+/* FPM Frame Processing Timeout Exceeded */
+#define FM_PORT_FRM_ERR_PROCESS_TIMEOUT 0x00000001
+
+/* FM Port Initialization Unit */
+struct fm_port_t;
+
+/* A structure for additional Rx port parameters */
+struct fm_port_rx_params_t {
+ u32 err_fqid; /* Error Queue Id. */
+ u32 dflt_fqid; /* Default Queue Id. */
+ u16 liodn_offset; /* Port's LIODN offset. */
+ /* Which external buffer pools are used
+ * (up to FM_PORT_MAX_NUM_OF_EXT_POOLS), and their sizes.
+ */
+ struct fm_ext_pools_t ext_buf_pools;
+};
+
+/* A structure for additional non-Rx port parameters */
+struct fm_port_non_rx_params_t {
+ /* Error Queue Id. */
+ u32 err_fqid;
+ /* For Tx - Default Confirmation queue, 0 means no Tx confirmation
+ * for processed frames. For OP port - default Rx queue.
+ */
+ u32 dflt_fqid;
+ /* QM-channel dedicated to this port; will be used
+ * by the FM for dequeue.
+ */
+ u32 qm_channel;
+};
+
+/* A union for additional parameters depending on port type */
+union fm_port_specific_params_u {
+ /* Rx port parameters structure */
+ struct fm_port_rx_params_t rx_params;
+ /* Non-Rx port parameters structure */
+ struct fm_port_non_rx_params_t non_rx_params;
+};
+
+/* A structure representing FM initialization parameters */
+struct fm_port_params_t {
+ void __iomem *base_addr;
+ /* Virtual Address of memory mapped FM Port registers. */
+ void *fm;
+ /* A handle to the FM object this port related to */
+ enum fm_port_type port_type;
+ /* Port type */
+ enum fm_port_speed port_speed;
+ /* Port speed */
+ u8 port_id;
+ /* Port Id - relative to type;
+ * NOTE: When configuring Offline Parsing port for FMANv3 devices,
+ * it is highly recommended NOT to use port_id=0 due to lack of HW
+ * resources on port_id=0.
+ */
+ u16 liodn_base;
+ /* Irrelevant for P4080 rev 1. LIODN base for this port, to be
+ * used together with LIODN offset.
+ */
+ union fm_port_specific_params_u specific_params;
+ /* Additional parameters depending on port type. */
+};
+
+struct fm_port;
+
+/**
+ * fm_port_config
+ * @fm_port_params: Pointer to data structure of parameters
+ *
+ * Creates a descriptor for the FM PORT module.
+ * The routine returns a handle (descriptor) to the FM PORT object.
+ * This descriptor must be passed as first parameter to all other FM PORT
+ * function calls.
+ * No actual initialization or configuration of FM hardware is done by this
+ * routine.
+ *
+ * Return: Pointer to FM Port object, or NULL for Failure.
+ */
+struct fm_port_t *fm_port_config(struct fm_port_params_t *fm_port_params);
+
+/**
+ * fm_port_init
+ * fm_port: A pointer to a FM Port module.
+ * Initializes the FM PORT module by defining the software structure and
+ * configuring the hardware registers.
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int fm_port_init(struct fm_port_t *fm_port);
+
+/* enum for defining QM frame dequeue */
+enum fm_port_deq_type {
+ /* Dequeue from the SP channel - with priority precedence,
+ * and Intra-Class Scheduling respected.
+ */
+ FM_PORT_DEQ_TYPE1,
+ /* Dequeue from the SP channel - with active FQ precedence,
+ * and Intra-Class Scheduling respected.
+ */
+ FM_PORT_DEQ_TYPE2,
+ /* Dequeue from the SP channel - with active FQ precedence,
+ * and override Intra-Class Scheduling
+ */
+ FM_PORT_DEQ_TYPE3
+};
+
+/* enum for defining QM frame dequeue */
+enum fm_port_deq_prefetch_option {
+ /* QMI preforms a dequeue action for a single frame only
+ * when a dedicated portID Tnum is waiting.
+ */
+ FM_PORT_DEQ_NO_PREFETCH,
+ /* QMI preforms a dequeue action for 3 frames when one
+ * dedicated port_id tnum is waiting.
+ */
+ FM_PORT_DEQ_PARTIAL_PREFETCH,
+ /* QMI preforms a dequeue action for 3 frames when
+ * no dedicated port_id tnums are waiting.
+ */
+ FM_PORT_DEQ_FULL_PREFETCH
+};
+
+/* enum for defining port default color */
+enum fm_port_color {
+ FM_PORT_COLOR_GREEN, /* Default port color is green */
+ FM_PORT_COLOR_YELLOW, /* Default port color is yellow */
+ FM_PORT_COLOR_RED, /* Default port color is red */
+ FM_PORT_COLOR_OVERRIDE /* Ignore color */
+};
+
+/* A structure for defining FM port resources */
+struct fm_port_rsrc_t {
+ u32 num; /* Committed required resource */
+ u32 extra; /* Extra (not committed) required resource */
+};
+
+/**
+ * fm_port_cfg_deq_high_priority
+ * fm_port: A pointer to a FM Port module.
+ * @high_pri: True to select high priority, false for normal operation.
+ *
+ * Calling this routine changes the dequeue priority in the internal driver
+ * data base from its default configuration (DFLT_PORT_DEQ_HIGH_PRIORITY)
+ * May be used for Non-Rx ports only
+ *
+ * Allowed only following fm_port_config() and before fm_port_init().
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int fm_port_cfg_deq_high_priority(struct fm_port_t *fm_port, bool high_pri);
+
+/**
+ * fm_port_cfg_deq_prefetch_option
+ * fm_port: A pointer to a FM Port module.
+ * @deq_prefetch_option: New option
+ * Calling this routine changes the dequeue prefetch option parameter in the
+ * internal driver data base from its default configuration:
+ * [DEFAULT_PORT_DEQ_PREFETCH_OPT]
+ * Note: Available for some chips only May be used for Non-Rx ports only
+ *
+ * Allowed only following fm_port_config() and before fm_port_init().
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int fm_port_cfg_deq_prefetch_option(struct fm_port_t *fm_port,
+ enum fm_port_deq_prefetch_option
+ deq_prefetch_option);
+
+/**
+ * fm_port_cfg_buf_prefix_content
+ * fm_port A pointer to a FM Port module.
+ * @fm_buffer_prefix_content A structure of parameters describing
+ * the structure of the buffer.
+ * Out parameter:
+ * Start margin - offset of data from
+ * start of external buffer.
+ * Defines the structure, size and content of the application buffer.
+ * The prefix, in Tx ports, if 'pass_prs_result', the application should set
+ * a value to their offsets in the prefix of the FM will save the first
+ * 'priv_data_size', than, depending on 'pass_prs_result' and
+ * 'pass_time_stamp', copy parse result and timeStamp, and the packet itself
+ * (in this order), to the application buffer, and to offset.
+ * Calling this routine changes the buffer margins definitions in the internal
+ * driver data base from its default configuration:
+ * Data size: [DEFAULT_PORT_BUFFER_PREFIX_CONTENT_PRIV_DATA_SIZE]
+ * Pass Parser result: [DEFAULT_PORT_BUFFER_PREFIX_CONTENT_PASS_PRS_RESULT].
+ * Pass timestamp: [DEFAULT_PORT_BUFFER_PREFIX_CONTENT_PASS_TIME_STAMP].
+ * May be used for all ports
+ *
+ * Allowed only following fm_port_config() and before fm_port_init().
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int fm_port_cfg_buf_prefix_content(struct fm_port_t *fm_port,
+ struct fm_buffer_prefix_content_t
+ *fm_buffer_prefix_content);
+
+/**
+ * fm_port_cfg_bcb_wa
+ * fm_port A pointer to a FM Port module.
+ *
+ * BCB errata workaround.
+ * When BCB errata is applicable, the workaround is always performed by FM
+ * Controller. Thus, this functions doesn't actually enable errata workaround
+ * but rather allows driver to perform adjustments required due to errata
+ * workaround execution in FM controller.
+ * Applying BCB workaround also configures FM_PORT_FRM_ERR_PHYSICAL errors
+ * to be discarded.
+ *
+ * Allowed only following fm_port_config() and before fm_port_init().
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int fm_port_cfg_bcb_wa(struct fm_port_t *fm_port);
+
+/**
+ * fm_port_disable
+ * fm_port A pointer to a FM Port module.
+ *
+ * Gracefully disable an FM port. The port will not start new tasks after all
+ * tasks associated with the port are terminated.
+ *
+ * This is a blocking routine, it returns after port is gracefully stopped,
+ * i.e. the port will not except new frames, but it will finish all frames
+ * or tasks which were already began.
+ * Allowed only following fm_port_init().
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int fm_port_disable(struct fm_port_t *fm_port);
+
+/**
+ * fm_port_enable
+ * fm_port: A pointer to a FM Port module.
+ *
+ * A runtime routine provided to allow disable/enable of port.
+ *
+ * Allowed only following fm_port_init().
+ *
+ * Return: 0 on success; Error code otherwise.
+ */
+int fm_port_enable(struct fm_port_t *fm_port);
+
+#endif /* __FM_PORT_EXT */
diff --git a/drivers/net/ethernet/freescale/fman/inc/fsl_fman_drv.h b/drivers/net/ethernet/freescale/fman/inc/fsl_fman_drv.h
index c96cfd1..d849bc2 100644
--- a/drivers/net/ethernet/freescale/fman/inc/fsl_fman_drv.h
+++ b/drivers/net/ethernet/freescale/fman/inc/fsl_fman_drv.h
@@ -40,6 +40,40 @@
/* FM device opaque structure used for type checking */
struct fm;
+/* FMan Port structure .., */
+struct fm_port_t;
+
+/* A structure of information about each of the external
+ * buffer pools used by the port,
+ */
+struct fm_port_pool_param {
+ u8 id; /* External buffer pool id */
+ u16 size; /* External buffer pool buffer size */
+};
+
+/* structure for additional port parameters */
+struct fm_port_params {
+ u32 errq; /* Error Queue Id. */
+ u32 defq; /* For Tx and HC - Default Confirmation queue,
+ * 0 means no Tx conf for processed frames.
+ * For Rx and OP - default Rx queue.
+ */
+ u8 num_pools; /* Number of pools use by this port */
+ struct fm_port_pool_param pool_param[FM_PORT_MAX_NUM_OF_EXT_POOLS];
+ /* Parameters for each pool */
+ u16 priv_data_size;
+ /* Area that user may save for his own
+ * need (E.g. save the SKB)
+ */
+ bool parse_results; /* Put the parser-results in the Rx/Tx buffer */
+ bool hash_results; /* Put the hash-results in the Rx/Tx buffer */
+ bool time_stamp; /* Put the time-stamp in the Rx/Tx buffer */
+ u16 data_align;
+ /* value for selecting a data alignment (must be a power of 2);
+ * if write optimization is used, must be >= 16.
+ */
+};
+
/**
* fm_bind
* @fm_dev: the OF handle of the FM device.
@@ -82,6 +116,76 @@ void *fm_get_handle(struct fm *fm);
*/
struct resource *fm_get_mem_region(struct fm *fm);
+
+/**
+ * fm_port_bind
+ * @fm_port_dev: The OF handle of the FM port device.
+ *
+ * Bind to a specific FM-port device (may be Rx or Tx port).
+ *
+ * Allowed only after the port was created.
+ *
+ * Return: A handle of the FM port device.
+ */
+struct fm_port_drv_t *fm_port_bind(struct device *fm_port_dev);
+
+/**
+ * fm_set_rx_port_params
+ * @port: A handle of the FM port device.
+ * @params: Rx port parameters
+ *
+ * Configure parameters for a specific Rx FM-port device.
+ *
+ * Allowed only after the port is binded.
+ */
+void fm_set_rx_port_params(struct fm_port_drv_t *port,
+ struct fm_port_params *params);
+
+/**
+ * fm_port_get_buff_layout_ext_params
+ * @port: A handle of the FM port device.
+ * @params: PCD port parameters
+ *
+ * Get data_align from the device tree chosen node if applied.
+ * This function will only update these two parameters.
+ * When this port has no such parameters in the device tree
+ * values will be set to 0.
+ *
+ * Allowed only after the port is binded.
+ */
+void fm_port_get_buff_layout_ext_params(struct fm_port_drv_t *port,
+ struct fm_port_params *params);
+
+/**
+ * fm_get_tx_port_channel
+ * @port: A handle of the FM port device.
+ *
+ * Get qman-channel number for this Tx port.
+ * Allowed only after the port is binded.
+ *
+ * Return: qman-channel number for this Tx port.
+ */
+int fm_get_tx_port_channel(struct fm_port_drv_t *port);
+
+/**
+ * fm_set_tx_port_params
+ * @port: A handle of the FM port device.
+ * @params: Tx port parameters
+ *
+ * Configure parameters for a specific Tx FM-port device
+ *
+ * Allowed only after the port is binded.
+ */
+void fm_set_tx_port_params(struct fm_port_drv_t *port,
+ struct fm_port_params *params);
+/**
+ * fm_port_drv_handle
+ * @port: A handle of the FM port device.
+ *
+ * Return: A pointer to the internal FM Port structure
+ */
+struct fm_port_t *fm_port_drv_handle(const struct fm_port_drv_t *port);
+
/**
* fm_get_max_frm
*
diff --git a/drivers/net/ethernet/freescale/fman/port/Makefile b/drivers/net/ethernet/freescale/fman/port/Makefile
index 54b1fa4..55825e3 100644
--- a/drivers/net/ethernet/freescale/fman/port/Makefile
+++ b/drivers/net/ethernet/freescale/fman/port/Makefile
@@ -1,3 +1,3 @@
obj-y += fsl_fman_port.o
-fsl_fman_port-objs := fman_port.o
+fsl_fman_port-objs := fman_port.o fm_port.o
diff --git a/drivers/net/ethernet/freescale/fman/port/fm_port.c b/drivers/net/ethernet/freescale/fman/port/fm_port.c
new file mode 100644
index 0000000..ff32cd9
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/port/fm_port.c
@@ -0,0 +1,1081 @@
+/*
+ * Copyright 2008 - 2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "fm_muram_ext.h"
+
+#include "fm_port.h"
+
+#include <linux/string.h>
+#include <linux/slab.h>
+
+static int check_init_parameters(struct fm_port_t *fm_port)
+{
+ struct fm_port_drv_param_t *params = fm_port->fm_port_drv_param;
+ struct fman_port_cfg *dflt_config = ¶ms->dflt_cfg;
+ u32 unused_mask;
+
+ /* Rx only */
+ if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ /* external buffer pools */
+ if (!params->ext_buf_pools.num_of_pools_used) {
+ pr_err("ext_buf_pools.num_of_pools_used=0. At least one buffer pool must be defined\n");
+ return -EINVAL;
+ }
+
+ if (fm_sp_check_buf_pools_params(¶ms->ext_buf_pools,
+ params->backup_bm_pools,
+ ¶ms->buf_pool_depletion,
+ fm_port->port_intg->max_num_of_ext_pools,
+ fm_port->port_intg->bm_max_num_of_pools) != 0)
+ return -EINVAL;
+ /* Check that part of IC that needs copying is small enough
+ * to enter start margin
+ */
+ if (params->int_context.size &&
+ (params->int_context.size +
+ params->int_context.ext_buf_offset >
+ params->buf_margins.start_margins)) {
+ pr_err("int_context.size is larger than start margins\n");
+ return -EINVAL;
+ }
+
+ if ((params->liodn_offset != LIODN_DONT_OVERRIDE) &&
+ (params->liodn_offset & ~FM_LIODN_OFFSET_MASK)) {
+ pr_err("liodn_offset is larger than %d\n",
+ FM_LIODN_OFFSET_MASK + 1);
+ }
+
+ if (fm_port->fm_rev_info.major_rev < 6)
+ if (fm_port->fm_port_drv_param->backup_bm_pools) {
+ pr_err("Backup Bm Pools\n");
+ return -EINVAL;
+ }
+ } else {
+ /* Non Rx ports */
+ if (params->deq_sub_portal >=
+ fm_port->port_intg->fm_max_num_of_sub_portals) {
+ pr_err("deq_sub_portal has to be in the range of 0 - %d\n",
+ fm_port->port_intg->fm_max_num_of_sub_portals);
+ return -EINVAL;
+ }
+
+ /* to protect HW internal-context from overwrite */
+ if ((params->int_context.size) &&
+ (params->int_context.int_context_offset <
+ MIN_TX_INT_OFFSET)) {
+ pr_err("non-Rx int_context.int_context_offset can't be smaller than %d\n",
+ MIN_TX_INT_OFFSET);
+ return -EINVAL;
+ }
+
+ if ((fm_port->port_type == FM_PORT_TYPE_TX) ||
+ /* in O/H DFLT_NOT_SUPPORTED indicates that
+ * it is not supported and should not be checked
+ */
+ (fm_port->fm_port_drv_param->dflt_cfg.
+ tx_fifo_deq_pipeline_depth != DFLT_NOT_SUPPORTED)) {
+ /* Check that not larger than 8 */
+ if ((!fm_port->fm_port_drv_param->dflt_cfg.
+ tx_fifo_deq_pipeline_depth) ||
+ (fm_port->fm_port_drv_param->dflt_cfg.
+ tx_fifo_deq_pipeline_depth >
+ MAX_FIFO_PIPELINE_DEPTH)) {
+ pr_err("fifo_deq_pipeline_depth can't be larger than %d\n",
+ MAX_FIFO_PIPELINE_DEPTH);
+ return -EINVAL;
+ }
+ }
+ }
+
+ /* Rx */
+ if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ if (!params->dflt_fqid) {
+ pr_err("dflt_fqid must be between 1 and 2^24-1\n");
+ return -EINVAL;
+ }
+ }
+
+ /* All ports */
+ /* common BMI registers values */
+ /* Check that Queue Id is not larger than 2^24, and is not 0 */
+ if ((params->err_fqid & ~0x00FFFFFF) || !params->err_fqid) {
+ pr_err("err_fqid must be between 1 and 2^24-1\n");
+ return -EINVAL;
+ }
+ if (params->dflt_fqid & ~0x00FFFFFF) {
+ pr_err("dflt_fqid must be between 1 and 2^24-1\n");
+ return -EINVAL;
+ }
+
+ /* Rx only */
+ if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ if (dflt_config->rx_pri_elevation % BMI_FIFO_UNITS) {
+ pr_err("rx_fifo_pri_elevation_level has to be divisible by %d\n",
+ BMI_FIFO_UNITS);
+ return -EINVAL;
+ }
+ if ((dflt_config->rx_pri_elevation < BMI_FIFO_UNITS) ||
+ (dflt_config->rx_pri_elevation >
+ fm_port->port_intg->max_port_fifo_size)) {
+ pr_err("rx_fifo_pri_elevation_level not in range of 256 - %d\n",
+ fm_port->port_intg->max_port_fifo_size);
+ return -EINVAL;
+ }
+ if (dflt_config->rx_fifo_thr % BMI_FIFO_UNITS) {
+ pr_err("rx_fifo_threshold must be div by %d\n",
+ BMI_FIFO_UNITS);
+ return -EINVAL;
+ }
+ if ((dflt_config->rx_fifo_thr < BMI_FIFO_UNITS) ||
+ (dflt_config->rx_fifo_thr >
+ fm_port->port_intg->max_port_fifo_size)) {
+ pr_err("rx_fifo_threshold has to be in the range of 256 - %d\n",
+ fm_port->port_intg->max_port_fifo_size);
+ return -EINVAL;
+ }
+
+ /* Check that not larger than 16 */
+ if (dflt_config->rx_cut_end_bytes > FRAME_END_DATA_SIZE) {
+ pr_err("cut_bytes_from_end can't be larger than %d\n",
+ FRAME_END_DATA_SIZE);
+ return -EINVAL;
+ }
+
+ if (fm_sp_check_buf_margins(¶ms->buf_margins) != 0)
+ return -EINVAL;
+
+ /* extra FIFO size (allowed only to Rx ports) */
+ if (params->set_size_of_fifo &&
+ (fm_port->fifo_bufs.extra % BMI_FIFO_UNITS)) {
+ pr_err("fifo_bufs.extra has to be divisible by %d\n",
+ BMI_FIFO_UNITS);
+ return -EINVAL;
+ }
+
+ if (params->buf_pool_depletion.pools_grp_mode_enable &&
+ !params->buf_pool_depletion.num_of_pools) {
+ pr_err("buf_pool_depletion.num_of_pools can not be 0 when pools_grp_mode_enable=true\n");
+ return -EINVAL;
+ }
+ }
+
+ /* Non Rx ports */
+ /* extra FIFO size (allowed only to Rx ports) */
+ else if (fm_port->fifo_bufs.extra) {
+ pr_err(" No fifo_bufs.extra for non Rx ports\n");
+ return -EINVAL;
+ }
+
+ /* Tx only */
+ if (fm_port->port_type == FM_PORT_TYPE_TX) {
+ if (dflt_config->tx_fifo_min_level % BMI_FIFO_UNITS) {
+ pr_err("tx_fifo_min_fill_level has to be divisible by %d\n",
+ BMI_FIFO_UNITS);
+ return -EINVAL;
+ }
+ if (dflt_config->tx_fifo_min_level >
+ (fm_port->port_intg->max_port_fifo_size - 256)) {
+ pr_err("tx_fifo_min_fill_level has to be in the range of 0 - %d\n",
+ (fm_port->port_intg->max_port_fifo_size - 256));
+ return -EINVAL;
+ }
+ if (dflt_config->tx_fifo_low_comf_level % BMI_FIFO_UNITS) {
+ pr_err("tx_fifo_low_comf_level has to be divisible by %d\n",
+ BMI_FIFO_UNITS);
+ return -EINVAL;
+ }
+ if ((dflt_config->tx_fifo_low_comf_level < BMI_FIFO_UNITS) ||
+ (dflt_config->tx_fifo_low_comf_level >
+ fm_port->port_intg->max_port_fifo_size)) {
+ pr_err("tx_fifo_low_comf_level has to be in the range of 256 - %d\n",
+ fm_port->port_intg->max_port_fifo_size);
+ return -EINVAL;
+ }
+ if (fm_port->port_speed == FM_PORT_SPEED_1G)
+ if (fm_port->fm_port_drv_param->dflt_cfg.
+ tx_fifo_deq_pipeline_depth > 2) {
+ pr_err("fifoDeqPipelineDepth for 1G can't be larger than 2\n");
+ return -EINVAL;
+ }
+ }
+
+ /* Non Tx Ports */
+ /* If discard override was selected , no frames may be discarded. */
+ else if (dflt_config->discard_override && params->errors_to_discard) {
+ pr_err("errors_to_discard is not empty, but frm_discard_override selected (all discarded frames to be enqueued to error queue).\n");
+ return -EINVAL;
+ }
+
+ /* Rx */
+ if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ unused_mask = BMI_STATUS_RX_MASK_UNUSED;
+
+ /* Check that no common bits with BMI_STATUS_MASK_UNUSED */
+ if (params->errors_to_discard & unused_mask) {
+ pr_err("errors_to_discard contains undefined bits\n");
+ return -EINVAL;
+ }
+ }
+
+ /* All ports */
+ /* Check that not larger than 16 */
+ if ((params->cheksum_last_bytes_ignore > FRAME_END_DATA_SIZE) &&
+ ((params->cheksum_last_bytes_ignore != DFLT_NOT_SUPPORTED))) {
+ pr_err("cheksum_last_bytes_ignore can't be larger than %d\n",
+ FRAME_END_DATA_SIZE);
+ return -EINVAL;
+ }
+
+ if (fm_sp_check_int_context_params(¶ms->int_context) != 0)
+ return -EINVAL;
+
+ /* common BMI registers values */
+ if (params->set_num_of_tasks &&
+ ((!fm_port->tasks.num) ||
+ (fm_port->tasks.num > MAX_NUM_OF_TASKS))) {
+ pr_err("tasks.num can't be larger than %d\n",
+ MAX_NUM_OF_TASKS);
+ return -EINVAL;
+ }
+ if (params->set_num_of_tasks &&
+ (fm_port->tasks.extra > MAX_NUM_OF_EXTRA_TASKS)) {
+ pr_err("tasks.extra can't be larger than %d\n",
+ MAX_NUM_OF_EXTRA_TASKS);
+ return -EINVAL;
+ }
+ if (params->set_num_of_open_dmas &&
+ ((!fm_port->open_dmas.num) ||
+ (fm_port->open_dmas.num > MAX_NUM_OF_DMAS))) {
+ pr_err("open_dmas.num can't be larger than %d\n",
+ MAX_NUM_OF_DMAS);
+ return -EINVAL;
+ }
+ if (params->set_num_of_open_dmas &&
+ (fm_port->open_dmas.extra > MAX_NUM_OF_EXTRA_DMAS)) {
+ pr_err("open_dmas.extra can't be larger than %d\n",
+ MAX_NUM_OF_EXTRA_DMAS);
+ return -EINVAL;
+ }
+ if (params->set_size_of_fifo &&
+ (!fm_port->fifo_bufs.num || (fm_port->fifo_bufs.num >
+ fm_port->port_intg->max_port_fifo_size))) {
+ pr_err("fifo_bufs.num has to be in the range of 256 - %d\n",
+ fm_port->port_intg->max_port_fifo_size);
+ return -EINVAL;
+ }
+ if (params->set_size_of_fifo &&
+ (fm_port->fifo_bufs.num % BMI_FIFO_UNITS)) {
+ pr_err("fifo_bufs.num has to be divisible by %d\n",
+ BMI_FIFO_UNITS);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static bool is_init_done(struct fm_port_drv_param_t *fm_port_drv_params)
+{
+ /* Checks if FMan port driver parameters were initialized */
+ if (!fm_port_drv_params)
+ return true;
+
+ return false;
+}
+
+static int verify_size_of_fifo(struct fm_port_t *fm_port)
+{
+ u32 min_fifo_size_required = 0, opt_fifo_size_for_b2b = 0;
+
+ /* TX Ports */
+ if (fm_port->port_type == FM_PORT_TYPE_TX) {
+ min_fifo_size_required = (u32)
+ (roundup(fm_port->max_frame_length,
+ BMI_FIFO_UNITS) + (3 * BMI_FIFO_UNITS));
+
+ min_fifo_size_required +=
+ fm_port->fm_port_drv_param->
+ dflt_cfg.tx_fifo_deq_pipeline_depth * BMI_FIFO_UNITS;
+
+ opt_fifo_size_for_b2b = min_fifo_size_required;
+
+ /* Add some margin for back-to-back capability to improve
+ * performance, allows the hardware to pipeline new frame dma
+ * while the previous frame not yet transmitted.
+ */
+ if (fm_port->port_speed == FM_PORT_SPEED_10G)
+ opt_fifo_size_for_b2b += 3 * BMI_FIFO_UNITS;
+ else
+ opt_fifo_size_for_b2b += 2 * BMI_FIFO_UNITS;
+ }
+
+ /* RX Ports */
+ else if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ if (fm_port->fm_rev_info.major_rev >= 6)
+ min_fifo_size_required = (u32)
+ (roundup(fm_port->max_frame_length,
+ BMI_FIFO_UNITS) + (5 * BMI_FIFO_UNITS));
+ /* 4 according to spec + 1 for FOF>0 */
+ else
+ min_fifo_size_required = (u32)
+ (roundup(min(fm_port->max_frame_length,
+ fm_port->rx_pools_params.largest_buf_size),
+ BMI_FIFO_UNITS) + (7 * BMI_FIFO_UNITS));
+
+ opt_fifo_size_for_b2b = min_fifo_size_required;
+
+ /* Add some margin for back-to-back capability to improve
+ * performance,allows the hardware to pipeline new frame dma
+ * while the previous frame not yet transmitted.
+ */
+ if (fm_port->port_speed == FM_PORT_SPEED_10G)
+ opt_fifo_size_for_b2b += 8 * BMI_FIFO_UNITS;
+ else
+ opt_fifo_size_for_b2b += 3 * BMI_FIFO_UNITS;
+ }
+
+ BUG_ON(min_fifo_size_required <= 0);
+ BUG_ON(opt_fifo_size_for_b2b < min_fifo_size_required);
+
+ /* Verify the size */
+ if (fm_port->fifo_bufs.num < min_fifo_size_required)
+ pr_debug("FIFO size should be enlarged to %d bytes\n",
+ min_fifo_size_required);
+ else if (fm_port->fifo_bufs.num < opt_fifo_size_for_b2b)
+ pr_debug("For b2b processing,FIFO may be enlarged to %d bytes\n",
+ opt_fifo_size_for_b2b);
+
+ return 0;
+}
+
+static void fm_port_drv_param_free(struct fm_port_t *fm_port)
+{
+ kfree(fm_port->fm_port_drv_param);
+ fm_port->fm_port_drv_param = NULL;
+}
+
+static int set_ext_buffer_pools(struct fm_port_t *fm_port)
+{
+ struct fm_ext_pools_t *ext_buf_pools =
+ &fm_port->fm_port_drv_param->ext_buf_pools;
+ struct fm_buf_pool_depletion_t *buf_pool_depletion =
+ &fm_port->fm_port_drv_param->buf_pool_depletion;
+ u8 ordered_array[FM_PORT_MAX_NUM_OF_EXT_POOLS];
+ u16 sizes_array[BM_MAX_NUM_OF_POOLS];
+ int i = 0, j = 0, err;
+ struct fman_port_bpools bpools;
+
+ memset(&ordered_array, 0, sizeof(u8) * FM_PORT_MAX_NUM_OF_EXT_POOLS);
+ memset(&sizes_array, 0, sizeof(u16) * BM_MAX_NUM_OF_POOLS);
+ memcpy(&fm_port->ext_buf_pools, ext_buf_pools,
+ sizeof(struct fm_ext_pools_t));
+
+ fm_sp_set_buf_pools_in_asc_order_of_buf_sizes(ext_buf_pools,
+ ordered_array,
+ sizes_array);
+
+ /* Prepare flibs bpools structure */
+ memset(&bpools, 0, sizeof(struct fman_port_bpools));
+ bpools.count = ext_buf_pools->num_of_pools_used;
+ bpools.counters_enable = true;
+ for (i = 0; i < ext_buf_pools->num_of_pools_used; i++) {
+ bpools.bpool[i].bpid = ordered_array[i];
+ bpools.bpool[i].size = sizes_array[ordered_array[i]];
+ /* functionality available only for some derivatives
+ * (limited by config)
+ */
+ if (fm_port->fm_port_drv_param->backup_bm_pools)
+ for (j = 0; j < fm_port->fm_port_drv_param->
+ backup_bm_pools->num_of_backup_pools; j++)
+ if (ordered_array[i] ==
+ fm_port->fm_port_drv_param->
+ backup_bm_pools->pool_ids[j]) {
+ bpools.bpool[i].is_backup = true;
+ break;
+ }
+ }
+
+ /* save pools parameters for later use */
+ fm_port->rx_pools_params.num_of_pools =
+ ext_buf_pools->num_of_pools_used;
+ fm_port->rx_pools_params.largest_buf_size =
+ sizes_array[ordered_array[ext_buf_pools->num_of_pools_used - 1]];
+ fm_port->rx_pools_params.second_largest_buf_size =
+ sizes_array[ordered_array[ext_buf_pools->num_of_pools_used - 2]];
+
+ /* FMBM_RMPD reg. - pool depletion */
+ if (buf_pool_depletion->pools_grp_mode_enable) {
+ bpools.grp_bp_depleted_num = buf_pool_depletion->num_of_pools;
+ for (i = 0; i < fm_port->port_intg->bm_max_num_of_pools;
+ i++) {
+ if (buf_pool_depletion->pools_to_consider[i]) {
+ for (j = 0; j < ext_buf_pools->
+ num_of_pools_used; j++) {
+ if (i == ordered_array[j]) {
+ bpools.bpool[j].
+ grp_bp_depleted = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ if (buf_pool_depletion->single_pool_mode_enable) {
+ for (i = 0; i < fm_port->port_intg->bm_max_num_of_pools; i++) {
+ if (buf_pool_depletion->
+ pools_to_consider_for_single_mode[i]) {
+ for (j = 0; j < ext_buf_pools->
+ num_of_pools_used; j++) {
+ if (i == ordered_array[j]) {
+ bpools.bpool[j].
+ single_bp_depleted = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ /* Issue flibs function */
+ err = fman_port_set_bpools(&fm_port->port, &bpools);
+ if (err != 0) {
+ pr_err("fman_port_set_bpools\n");
+ return -EINVAL;
+ }
+
+ kfree(fm_port->fm_port_drv_param->backup_bm_pools);
+
+ return 0;
+}
+
+static int init_low_level_driver(struct fm_port_t *fm_port)
+{
+ struct fm_port_drv_param_t *drv_params = fm_port->fm_port_drv_param;
+ struct fman_port_params port_params;
+ u32 tmp_val;
+
+ /* Set up flibs parameters and issue init function */
+ memset(&port_params, 0, sizeof(struct fman_port_params));
+ port_params.discard_mask = drv_params->errors_to_discard;
+ port_params.dflt_fqid = drv_params->dflt_fqid;
+ port_params.err_fqid = drv_params->err_fqid;
+ port_params.deq_sp = drv_params->deq_sub_portal;
+ port_params.dont_release_buf = drv_params->dont_release_buf;
+ switch (fm_port->port_type) {
+ case FM_PORT_TYPE_RX:
+ port_params.err_mask =
+ (RX_ERRS_TO_ENQ & ~port_params.discard_mask);
+ if (drv_params->forward_reuse_int_context)
+ drv_params->dflt_cfg.rx_fd_bits =
+ (u8)(BMI_PORT_RFNE_FRWD_RPD >> 24);
+ break;
+ default:
+ break;
+ }
+
+ tmp_val = (u32)((fm_port->internal_buf_offset % OFFSET_UNITS) ?
+ (fm_port->internal_buf_offset / OFFSET_UNITS + 1) :
+ (fm_port->internal_buf_offset / OFFSET_UNITS));
+ fm_port->internal_buf_offset = (u8)(tmp_val * OFFSET_UNITS);
+ drv_params->dflt_cfg.int_buf_start_margin =
+ fm_port->internal_buf_offset;
+ drv_params->dflt_cfg.ext_buf_start_margin =
+ drv_params->buf_margins.start_margins;
+ drv_params->dflt_cfg.ext_buf_end_margin =
+ drv_params->buf_margins.end_margins;
+
+ drv_params->dflt_cfg.ic_ext_offset =
+ drv_params->int_context.ext_buf_offset;
+ drv_params->dflt_cfg.ic_int_offset =
+ drv_params->int_context.int_context_offset;
+ drv_params->dflt_cfg.ic_size = drv_params->int_context.size;
+
+ if (0 !=
+ fman_port_init(&fm_port->port, &drv_params->dflt_cfg,
+ &port_params)) {
+ pr_err("fman_port_init\n");
+ return -ENODEV;
+ }
+
+ /* The code bellow is a trick so the FM will not release the buffer
+ * to BM nor will try to enqueue the frame to QM
+ */
+ if (fm_port->port_type == FM_PORT_TYPE_TX) {
+ if (!drv_params->dflt_fqid && drv_params->dont_release_buf) {
+ /* override fmbm_tcfqid 0 with a false non-0 value.
+ * This will force FM to act according to tfene.
+ * Otherwise, if fmbm_tcfqid is 0 the FM will release
+ * buffers to BM regardless of fmbm_tfene
+ */
+ out_be32(&fm_port->port.bmi_regs->tx.fmbm_tcfqid,
+ 0xFFFFFF);
+ out_be32(&fm_port->port.bmi_regs->tx.fmbm_tfene,
+ NIA_ENG_BMI | NIA_BMI_AC_TX_RELEASE);
+ }
+ }
+
+ return 0;
+}
+
+static struct fm_port_intg_t *set_port_intg_params(struct fm_port_t *fm_port)
+{
+ struct fm_port_intg_t *intg;
+ u32 bmi_max_fifo_size;
+
+ intg = kzalloc(sizeof(*intg), GFP_KERNEL);
+ if (!intg)
+ return NULL;
+
+ bmi_max_fifo_size = fm_get_bmi_max_fifo_size(fm_port->fm);
+
+ intg->max_port_fifo_size =
+ MAX_PORT_FIFO_SIZE(bmi_max_fifo_size);
+
+ switch (fm_port->fm_rev_info.major_rev) {
+ case FM_IP_BLOCK_P2_P3_P5:
+ case FM_IP_BLOCK_P4:
+ intg->max_num_of_ext_pools = 4;
+ intg->fm_max_num_of_sub_portals = 12;
+ intg->bm_max_num_of_pools = 64;
+ break;
+
+ case FM_IP_BLOCK_B_T:
+ intg->max_num_of_ext_pools = 8;
+ intg->fm_max_num_of_sub_portals = 16;
+ intg->bm_max_num_of_pools = 64;
+ break;
+
+ default:
+ pr_err("Unsupported FMan version\n");
+ kfree(intg);
+ return NULL;
+ }
+
+ return intg;
+}
+
+struct fm_port_t *fm_port_config(struct fm_port_params_t *fm_port_params)
+{
+ struct fm_port_t *fm_port;
+ void __iomem *base_addr = fm_port_params->base_addr;
+ enum fman_port_type fman_port_type = E_FMAN_PORT_TYPE_DUMMY;
+ u32 tmp_reg;
+
+ /* Allocate FM structure */
+ fm_port = kzalloc(sizeof(*fm_port), GFP_KERNEL);
+ if (!fm_port)
+ return NULL;
+
+ /* Allocate the FM driver's parameters structure */
+ fm_port->fm_port_drv_param =
+ kzalloc(sizeof(*fm_port->fm_port_drv_param), GFP_KERNEL);
+ if (!fm_port->fm_port_drv_param)
+ goto err_fm_port_params;
+
+ /* Initialize FM port parameters which will be kept by the driver */
+ fm_port->port_type = fm_port_params->port_type;
+ fm_port->port_speed = fm_port_params->port_speed;
+ fm_port->port_id = fm_port_params->port_id;
+ fm_port->fm = fm_port_params->fm;
+
+ /* get FM revision */
+ fm_get_revision(fm_port->fm, &fm_port->fm_rev_info);
+
+ fm_port->port_intg = set_port_intg_params(fm_port);
+ if (!fm_port->port_intg)
+ goto err_fm_port_intg;
+
+ /* Set up FM port parameters for initialization phase only */
+
+ /* In order to be aligned with flib port types, we need to translate
+ * the port type and speed to fman_port_type
+ */
+ if (fm_port->port_type == FM_PORT_TYPE_TX) {
+ if (fm_port->port_speed == FM_PORT_SPEED_10G)
+ fman_port_type = E_FMAN_PORT_TYPE_TX_10G;
+ else
+ fman_port_type = E_FMAN_PORT_TYPE_TX;
+ } else if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ if (fm_port->port_speed == FM_PORT_SPEED_10G)
+ fman_port_type = E_FMAN_PORT_TYPE_RX_10G;
+ else
+ fman_port_type = E_FMAN_PORT_TYPE_RX;
+ }
+ fman_port_defconfig(&fm_port->fm_port_drv_param->dflt_cfg,
+ fman_port_type);
+ /* Overwrite some integration specific parameters */
+ fm_port->fm_port_drv_param->dflt_cfg.rx_pri_elevation =
+ DFLT_PORT_RX_FIFO_PRI_ELEVATION_LEV(
+ fm_port->port_intg->max_port_fifo_size);
+ fm_port->fm_port_drv_param->dflt_cfg.rx_fifo_thr =
+ fm_port->fm_port_drv_param->rx_fifo_threshold =
+ DFLT_PORT_RX_FIFO_THRESHOLD(fm_port->fm_rev_info.major_rev,
+ fm_port->port_intg->max_port_fifo_size);
+
+ fm_port->fm_port_drv_param->dflt_cfg.errata_A006675 = false;
+
+ if ((fm_port->fm_rev_info.major_rev == 6) &&
+ ((fm_port->fm_rev_info.minor_rev == 0) ||
+ (fm_port->fm_rev_info.minor_rev == 3)))
+ fm_port->fm_port_drv_param->dflt_cfg.errata_A006320 = true;
+ else
+ fm_port->fm_port_drv_param->dflt_cfg.errata_A006320 = false;
+
+ /* Excessive Threshold register - exists for pre-FMv3 chips only */
+ if (fm_port->fm_rev_info.major_rev < 6) {
+ fm_port->fm_port_drv_param->dflt_cfg.
+ excessive_threshold_register = true;
+
+ fm_port->fm_port_drv_param->dflt_cfg.fmbm_rebm_has_sgd =
+ false;
+ fm_port->fm_port_drv_param->dflt_cfg.fmbm_tfne_has_features =
+ false;
+ } else {
+ fm_port->fm_port_drv_param->dflt_cfg.
+ excessive_threshold_register = false;
+ fm_port->fm_port_drv_param->dflt_cfg.fmbm_rebm_has_sgd =
+ true;
+ fm_port->fm_port_drv_param->dflt_cfg.fmbm_tfne_has_features =
+ true;
+ }
+
+ fm_port->fm_port_drv_param->dflt_cfg.qmi_deq_options_support = true;
+
+ /* Continue with other parameters */
+ fm_port->fm_port_drv_param->base_addr = base_addr;
+ /* set memory map pointers */
+ fm_port->fm_port_bmi_regs = (union fm_port_bmi_regs_u __iomem *)
+ (base_addr + BMI_PORT_REGS_OFFSET);
+
+ fm_port->fm_port_drv_param->buffer_prefix_content.priv_data_size =
+ DFLT_PORT_BUFFER_PREFIX_CONTENT_PRIV_DATA_SIZE;
+ fm_port->fm_port_drv_param->buffer_prefix_content.pass_prs_result =
+ DFLT_PORT_BUFFER_PREFIX_CONTENT_PASS_PRS_RESULT;
+ fm_port->fm_port_drv_param->buffer_prefix_content.pass_time_stamp =
+ DFLT_PORT_BUFFER_PREFIX_CONTENT_PASS_TIME_STAMP;
+ fm_port->fm_port_drv_param->buffer_prefix_content.data_align =
+ DFLT_PORT_BUFFER_PREFIX_CONTEXT_DATA_ALIGN;
+ fm_port->fm_port_drv_param->liodn_base = fm_port_params->liodn_base;
+ fm_port->fm_port_drv_param->cheksum_last_bytes_ignore =
+ DFLT_PORT_CHECKSUM_LAST_BYTES_IGNORE;
+
+ fm_port->max_frame_length = DFLT_PORT_MAX_FRAME_LENGTH;
+ /* resource distribution. */
+
+ fm_port->fifo_bufs.num =
+ fm_port_dflt_num_of_fifo_bufs(fm_port->fm_rev_info.major_rev,
+ fm_port->port_type,
+ fm_port->port_speed) * BMI_FIFO_UNITS;
+ fm_port->fifo_bufs.extra =
+ DFLT_PORT_EXTRA_NUM_OF_FIFO_BUFS * BMI_FIFO_UNITS;
+
+ fm_port->open_dmas.num =
+ fm_port_dflt_num_of_open_dmas(fm_port->fm_rev_info.major_rev,
+ fm_port->port_type,
+ fm_port->port_speed);
+ fm_port->open_dmas.extra =
+ fm_port_dflt_extra_num_of_open_dmas(fm_port->fm_rev_info.major_rev,
+ fm_port->port_type,
+ fm_port->port_speed);
+ fm_port->tasks.num =
+ fm_port_dflt_num_of_tasks(fm_port->fm_rev_info.major_rev,
+ fm_port->port_type,
+ fm_port->port_speed);
+ fm_port->tasks.extra =
+ fm_port_dflt_extra_num_of_tasks(fm_port->fm_rev_info.major_rev,
+ fm_port->port_type,
+ fm_port->port_speed);
+
+ /* FM_HEAVY_TRAFFIC_SEQUENCER_HANG_ERRATA_FMAN_A006981 errata
+ * workaround
+ */
+ if ((fm_port->fm_rev_info.major_rev == 6) &&
+ (fm_port->fm_rev_info.minor_rev == 0) &&
+ (((fm_port->port_type == FM_PORT_TYPE_TX) &&
+ (fm_port->port_speed == FM_PORT_SPEED_1G)))) {
+ fm_port->open_dmas.num = 16;
+ fm_port->open_dmas.extra = 0;
+ }
+
+ /* Port type specific initialization: */
+ switch (fm_port->port_type) {
+ case FM_PORT_TYPE_RX:
+ /* Initialize FM port parameters for initialization
+ * phase only
+ */
+ fm_port->fm_port_drv_param->cut_bytes_from_end =
+ DFLT_PORT_CUT_BYTES_FROM_END;
+ fm_port->fm_port_drv_param->en_buf_pool_depletion = false;
+ fm_port->fm_port_drv_param->frm_discard_override =
+ DFLT_PORT_FRM_DISCARD_OVERRIDE;
+
+ fm_port->fm_port_drv_param->rx_fifo_pri_elevation_level =
+ DFLT_PORT_RX_FIFO_PRI_ELEVATION_LEV(fm_port->port_intg->
+ max_port_fifo_size);
+ fm_port->fm_port_drv_param->rx_fifo_threshold =
+ DFLT_PORT_RX_FIFO_THRESHOLD(fm_port->fm_rev_info.major_rev,
+ fm_port->port_intg->
+ max_port_fifo_size);
+
+ fm_port->fm_port_drv_param->buf_margins.end_margins =
+ DFLT_PORT_BUF_MARGINS_END_MAARGINS;
+ fm_port->fm_port_drv_param->errors_to_discard =
+ DFLT_PORT_ERRORS_TO_DISCARD;
+ fm_port->fm_port_drv_param->forward_reuse_int_context =
+ DFLT_PORT_FORWARD_INT_CONTENT_REUSE;
+ break;
+
+ case FM_PORT_TYPE_TX:
+ if (fm_port->port_speed == FM_PORT_SPEED_1G) {
+ fm_port->fm_port_drv_param->dont_release_buf = false;
+ /* FM_WRONG_RESET_VALUES_ERRATA_FMAN_A005127 Errata
+ * workaround
+ */
+ if (fm_port->fm_rev_info.major_rev >= 6) {
+ tmp_reg = 0x00001013;
+ out_be32(&fm_port->fm_port_bmi_regs->
+ tx_port_bmi_regs.fmbm_tfp,
+ tmp_reg);
+ }
+ }
+ if (fm_port->port_speed == FM_PORT_SPEED_10G) {
+ fm_port->fm_port_drv_param->tx_fifo_min_fill_level =
+ DFLT_PORT_TX_FIFO_MIN_FILL_LEVEL;
+ fm_port->fm_port_drv_param->tx_fifo_low_comf_level =
+ DFLT_PORT_TX_FIFO_LOW_COMF_LEVEL;
+
+ fm_port->fm_port_drv_param->deq_type =
+ DFLT_PORT_DEQ_TYPE;
+ fm_port->fm_port_drv_param->deq_prefetch_option =
+ DFLT_PORT_DEQ_PREFETCH_OPT;
+ }
+ fm_port->fm_port_drv_param->deq_high_priority =
+ DFLT_PORT_DEQ_HIGH_PRIORITY(fm_port->port_speed);
+ fm_port->fm_port_drv_param->deq_byte_cnt =
+ DFLT_PORT_DEQ_BYTE_CNT(fm_port->port_speed);
+ fm_port->fm_port_drv_param->dflt_cfg.
+ tx_fifo_deq_pipeline_depth =
+ fm_port_dflt_fifo_deq_pipeline_depth(
+ fm_port->fm_rev_info.major_rev,
+ fm_port->port_type,
+ fm_port->port_speed);
+ break;
+ default:
+ pr_err("Invalid port type\n");
+ goto err_fm_port;
+ }
+
+ switch (fm_port->port_type) {
+ case FM_PORT_TYPE_RX:
+ /* Initialize FM port parameters for initialization
+ * phase only
+ */
+ memcpy(&fm_port->fm_port_drv_param->ext_buf_pools,
+ &fm_port_params->
+ specific_params.rx_params.ext_buf_pools,
+ sizeof(struct fm_ext_pools_t));
+ fm_port->fm_port_drv_param->err_fqid =
+ fm_port_params->specific_params.rx_params.err_fqid;
+ fm_port->fm_port_drv_param->dflt_fqid =
+ fm_port_params->specific_params.rx_params.dflt_fqid;
+ fm_port->fm_port_drv_param->liodn_offset =
+ fm_port_params->specific_params.rx_params.liodn_offset;
+ break;
+ case FM_PORT_TYPE_TX:
+ fm_port->fm_port_drv_param->err_fqid =
+ fm_port_params->specific_params.non_rx_params.err_fqid;
+ fm_port->fm_port_drv_param->deq_sub_portal =
+ (u8)(fm_port_params->specific_params.non_rx_params.
+ qm_channel & QMI_DEQ_CFG_SUBPORTAL_MASK);
+ fm_port->fm_port_drv_param->dflt_fqid =
+ fm_port_params->specific_params.non_rx_params.dflt_fqid;
+ break;
+ default:
+ pr_err("Invalid port type\n");
+ goto err_fm_port;
+ }
+
+ memset(fm_port->name, 0, (sizeof(char)) * MODULE_NAME_SIZE);
+ if (snprintf(fm_port->name, MODULE_NAME_SIZE, "FM-%d-port-%s-%d",
+ fm_get_id(fm_port->fm),
+ ((fm_port->port_type == FM_PORT_TYPE_TX) ?
+ ((fm_port->port_speed == FM_PORT_SPEED_10G) ? "10g-TX" :
+ "1g-TX") :
+ ((fm_port->port_speed == FM_PORT_SPEED_10G) ? "10g-RX" :
+ "1g-RX")),
+ fm_port->port_id) == 0) {
+ pr_err("sprintf failed\n");
+ goto err_fm_port;
+ }
+
+ return fm_port;
+
+err_fm_port:
+ kfree(fm_port->port_intg);
+err_fm_port_intg:
+ kfree(fm_port->fm_port_drv_param);
+err_fm_port_params:
+ kfree(fm_port);
+ return NULL;
+}
+
+int fm_port_init(struct fm_port_t *fm_port)
+{
+ struct fm_port_drv_param_t *drv_params;
+ int err;
+ struct fm_inter_module_port_init_params_t fm_params;
+ struct fm_revision_info_t rev_info;
+ enum fman_port_type fman_port_type = E_FMAN_PORT_TYPE_DUMMY;
+
+ if (is_init_done(fm_port->fm_port_drv_param))
+ return -EINVAL;
+
+ err = fm_sp_build_buffer_structure(&fm_port->fm_port_drv_param->
+ int_context,
+ &fm_port->fm_port_drv_param->
+ buffer_prefix_content,
+ &fm_port->fm_port_drv_param->
+ buf_margins,
+ &fm_port->buffer_offsets,
+ &fm_port->internal_buf_offset);
+ if (err)
+ return err;
+
+ /* FM_HEAVY_TRAFFIC_HANG_ERRATA_FMAN_A005669 Errata workaround */
+ if (fm_port->fm_rev_info.major_rev >= 6 &&
+ (fm_port->fm_port_drv_param->bcb_workaround) &&
+ ((fm_port->port_type == FM_PORT_TYPE_RX) &&
+ (fm_port->port_speed == FM_PORT_SPEED_1G))) {
+ fm_port->fm_port_drv_param->errors_to_discard |=
+ FM_PORT_FRM_ERR_PHYSICAL;
+ if (!fm_port->fifo_bufs.num)
+ fm_port->fifo_bufs.num =
+ fm_port_dflt_num_of_fifo_bufs(
+ fm_port->fm_rev_info.major_rev,
+ fm_port->port_type,
+ fm_port->port_speed) *
+ BMI_FIFO_UNITS;
+ fm_port->fifo_bufs.num += 4 * 1024;
+ }
+
+ err = check_init_parameters(fm_port);
+ if (err)
+ return err;
+
+ drv_params = fm_port->fm_port_drv_param;
+
+ memset(&fm_port->port, 0, sizeof(struct fman_port));
+ /* In order to be aligned with flib port types, we need to translate
+ * the port type and speed to fman_port_type
+ */
+ if (fm_port->port_type == FM_PORT_TYPE_TX) {
+ if (fm_port->port_speed == FM_PORT_SPEED_10G)
+ fman_port_type = E_FMAN_PORT_TYPE_TX_10G;
+ else
+ fman_port_type = E_FMAN_PORT_TYPE_TX;
+ } else if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ if (fm_port->port_speed == FM_PORT_SPEED_10G)
+ fman_port_type = E_FMAN_PORT_TYPE_RX_10G;
+ else
+ fman_port_type = E_FMAN_PORT_TYPE_RX;
+ }
+ fm_port->port.type = fman_port_type;
+ fm_get_revision(fm_port->fm, &rev_info);
+ fm_port->port.fm_rev_maj = rev_info.major_rev;
+ fm_port->port.fm_rev_min = rev_info.minor_rev;
+ fm_port->port.bmi_regs = (union fman_port_bmi_regs __iomem *)
+ (drv_params->base_addr + BMI_PORT_REGS_OFFSET);
+ fm_port->port.qmi_regs = (struct fman_port_qmi_regs __iomem *)
+ (drv_params->base_addr + QMI_PORT_REGS_OFFSET);
+ fm_port->port.ext_pools_num = (u8)8;
+
+ if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ /* Call the external Buffer routine which also checks fifo
+ * size and updates it if necessary
+ */
+ /* define external buffer pools and pool depletion */
+ err = set_ext_buffer_pools(fm_port);
+ if (err)
+ return err;
+ /* check if the largest external buffer pool is large enough */
+ if (drv_params->buf_margins.start_margins + MIN_EXT_BUF_SIZE +
+ drv_params->buf_margins.end_margins >
+ fm_port->rx_pools_params.largest_buf_size) {
+ pr_err("buf_margins.start_margins (%d) + minimum buf size (64) + buf_margins.end_margins (%d) is larger than maximum external buffer size (%d)\n",
+ drv_params->buf_margins.start_margins,
+ drv_params->buf_margins.end_margins,
+ fm_port->rx_pools_params.largest_buf_size);
+ return -EINVAL;
+ }
+ }
+
+ /* Call FM module routine for communicating parameters */
+ memset(&fm_params, 0, sizeof(fm_params));
+ fm_params.port_id = fm_port->port_id;
+ fm_params.port_type = (enum fm_port_type)fm_port->port_type;
+ fm_params.port_speed = (enum fm_port_speed)fm_port->port_speed;
+ fm_params.num_of_tasks = (u8)fm_port->tasks.num;
+ fm_params.num_of_extra_tasks = (u8)fm_port->tasks.extra;
+ fm_params.num_of_open_dmas = (u8)fm_port->open_dmas.num;
+ fm_params.num_of_extra_open_dmas = (u8)fm_port->open_dmas.extra;
+
+ if (fm_port->fifo_bufs.num) {
+ err = verify_size_of_fifo(fm_port);
+ if (err != 0)
+ return -err;
+ }
+ fm_params.size_of_fifo = fm_port->fifo_bufs.num;
+ fm_params.extra_size_of_fifo = fm_port->fifo_bufs.extra;
+ fm_params.liodn_offset = drv_params->liodn_offset;
+ fm_params.liodn_base = drv_params->liodn_base;
+ fm_params.deq_pipeline_depth =
+ fm_port->fm_port_drv_param->dflt_cfg.tx_fifo_deq_pipeline_depth;
+ fm_params.max_frame_length = fm_port->max_frame_length;
+
+ err = fm_get_set_port_params(fm_port->fm, &fm_params);
+ if (err)
+ return -err;
+
+ err = init_low_level_driver(fm_port);
+ if (err != 0)
+ return -err;
+
+ fm_port_drv_param_free(fm_port);
+
+ return 0;
+}
+
+int fm_port_cfg_deq_high_priority(struct fm_port_t *fm_port, bool high_pri)
+{
+ if (is_init_done(fm_port->fm_port_drv_param))
+ return -EINVAL;
+
+ if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ pr_err("cfg_deq_high_priority() not available for Rx ports\n");
+ return -ENOMEM;
+ }
+
+ fm_port->fm_port_drv_param->dflt_cfg.deq_high_pri = high_pri;
+
+ return 0;
+}
+
+int fm_port_cfg_deq_prefetch_option(struct fm_port_t *fm_port,
+ enum fm_port_deq_prefetch_option
+ deq_prefetch_option)
+{
+ if (is_init_done(fm_port->fm_port_drv_param))
+ return -EINVAL;
+
+ if (fm_port->port_type == FM_PORT_TYPE_RX) {
+ pr_err("fm_port_cfg_deq_prefetch_option not available for Rx ports\n");
+ return -ENODEV;
+ }
+ fm_port->fm_port_drv_param->dflt_cfg.deq_prefetch_opt =
+ (enum fman_port_deq_prefetch)deq_prefetch_option;
+
+ return 0;
+}
+
+int fm_port_cfg_buf_prefix_content(struct fm_port_t *fm_port,
+ struct fm_buffer_prefix_content_t *
+ fm_buffer_prefix_content)
+{
+ if (is_init_done(fm_port->fm_port_drv_param))
+ return -EINVAL;
+
+ memcpy(&fm_port->fm_port_drv_param->buffer_prefix_content,
+ fm_buffer_prefix_content,
+ sizeof(struct fm_buffer_prefix_content_t));
+ /* if data_align was not initialized by user,
+ * we return to driver's default
+ */
+ if (!fm_port->fm_port_drv_param->buffer_prefix_content.data_align)
+ fm_port->fm_port_drv_param->buffer_prefix_content.data_align =
+ DFLT_PORT_BUFFER_PREFIX_CONTEXT_DATA_ALIGN;
+
+ return 0;
+}
+
+int fm_port_cfg_bcb_wa(struct fm_port_t *fm_port)
+{
+ if (is_init_done(fm_port->fm_port_drv_param))
+ return -EINVAL;
+
+ fm_port->fm_port_drv_param->bcb_workaround = true;
+
+ return 0;
+}
+
+int fm_port_disable(struct fm_port_t *fm_port)
+{
+ int err;
+
+ if (!is_init_done(fm_port->fm_port_drv_param))
+ return -EINVAL;
+
+ err = fman_port_disable(&fm_port->port);
+ if (err == -EBUSY) {
+ pr_debug("%s: BMI or QMI is Busy. Port forced down\n",
+ fm_port->name);
+ err = 0;
+ }
+
+ fm_port->enabled = false;
+
+ return err;
+}
+EXPORT_SYMBOL(fm_port_disable);
+
+int fm_port_enable(struct fm_port_t *fm_port)
+{
+ int err;
+
+ if (!is_init_done(fm_port->fm_port_drv_param))
+ return -EINVAL;
+
+ /* Used by fm_port_free routine as indicationif to disable port.
+ * Thus set it to true prior to enabling itself.
+ * This way if part of enable process fails there will be still
+ * things to disable during Free.
+ * For example, if BMI enable succeeded but QMI failed, still BMI
+ * needs to be disabled by Free.
+ */
+ fm_port->enabled = true;
+
+ err = fman_port_enable(&fm_port->port);
+
+ return err;
+}
+EXPORT_SYMBOL(fm_port_enable);
diff --git a/drivers/net/ethernet/freescale/fman/port/fm_port.h b/drivers/net/ethernet/freescale/fman/port/fm_port.h
new file mode 100644
index 0000000..4ac24c1
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/port/fm_port.h
@@ -0,0 +1,502 @@
+/*
+ * Copyright 2008 - 2015 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __FM_PORT_H
+#define __FM_PORT_H
+
+#include "fm_common.h"
+#include "fm_sp_common.h"
+#include "fsl_fman_sp.h"
+#include "fm_port_ext.h"
+#include "fsl_fman_port.h"
+
+#define LIODN_DONT_OVERRIDE (-1)
+
+#define MIN_EXT_BUF_SIZE 64
+
+#define MAX_PORT_FIFO_SIZE(bmi_max_fifo_size) \
+ min((u32)bmi_max_fifo_size, (u32)1024 * BMI_FIFO_UNITS)
+
+/* Memory Map defines */
+#define BMI_PORT_REGS_OFFSET 0
+#define QMI_PORT_REGS_OFFSET 0x400
+
+/* defaults */
+#define DFLT_PORT_DEQ_HIGH_PRIORITY(speed) \
+ ((speed == FM_PORT_SPEED_10G) ? true : false)
+#define DFLT_PORT_DEQ_TYPE FM_PORT_DEQ_TYPE1
+#define DFLT_PORT_DEQ_PREFETCH_OPT FM_PORT_DEQ_FULL_PREFETCH
+#define DFLT_PORT_DEQ_BYTE_CNT(speed) \
+ ((speed == FM_PORT_SPEED_10G) ? 0x1400 : 0x400)
+#define DFLT_PORT_BUFFER_PREFIX_CONTENT_PRIV_DATA_SIZE \
+ DEFAULT_FM_SP_BUFFER_PREFIX_CONTENT_PRIV_DATA_SIZE
+#define DFLT_PORT_BUFFER_PREFIX_CONTENT_PASS_PRS_RESULT \
+ DEFAULT_FM_SP_BUFFER_PREFIX_CONTENT_PRIV_PASS_PRS_RESULT
+#define DFLT_PORT_BUFFER_PREFIX_CONTENT_PASS_TIME_STAMP \
+ DEFAULT_FM_SP_BUFFER_PREFIX_CONTEXT_PASS_TIME_STAMP
+#define DFLT_PORT_BUFFER_PREFIX_CONTEXT_DATA_ALIGN \
+ DEFAULT_FM_SP_BUFFER_PREFIX_CONTEXT_DATA_ALIGN
+#define DFLT_PORT_CHECKSUM_LAST_BYTES_IGNORE 0
+#define DFLT_PORT_CUT_BYTES_FROM_END 4
+
+#define DFLT_PORT_FRM_DISCARD_OVERRIDE false
+
+#define DFLT_PORT_FORWARD_INT_CONTENT_REUSE false
+#define DFLT_PORT_BUF_MARGINS_END_MAARGINS 0
+#define DFLT_PORT_ERRORS_TO_DISCARD FM_PORT_FRM_ERR_CLS_DISCARD
+#define DFLT_PORT_MAX_FRAME_LENGTH 9600
+
+#define DFLT_NOT_SUPPORTED 0xff
+
+#define DFLT_PORT_RX_FIFO_PRI_ELEVATION_LEV(bmi_max_fifo_size) \
+ MAX_PORT_FIFO_SIZE(bmi_max_fifo_size)
+
+#define DFLT_PORT_RX_FIFO_THRESHOLD(major, bmi_max_fifo_size) \
+ (major == 6 ? \
+ MAX_PORT_FIFO_SIZE(bmi_max_fifo_size) : \
+ (MAX_PORT_FIFO_SIZE(bmi_max_fifo_size) * 3 / 4)) \
+
+#define DFLT_PORT_TX_FIFO_MIN_FILL_LEVEL 0
+#define DFLT_PORT_TX_FIFO_LOW_COMF_LEVEL (5 * 1024)
+
+#define DFLT_PORT_EXTRA_NUM_OF_FIFO_BUFS 0
+
+#define FM_PORT_MAX_NUM_OF_CONGESTION_GRPS_ALL_INTEGRATIONS 256
+
+/* Memory Mapped Registers */
+struct fm_port_rx_bmi_regs_t {
+ u32 fmbm_rcfg; /* Rx Configuration */
+ u32 fmbm_rst; /* Rx Status */
+ u32 fmbm_rda; /* Rx DMA attributes */
+ u32 fmbm_rfp; /* Rx FIFO Parameters */
+ u32 fmbm_rfed; /* Rx Frame End Data */
+ u32 fmbm_ricp; /* Rx Internal Context Parameters */
+ u32 fmbm_rim; /* Rx Internal Buffer Margins */
+ u32 fmbm_rebm; /* Rx External Buffer Margins */
+ u32 fmbm_rfne; /* Rx Frame Next Engine */
+ u32 fmbm_rfca; /* Rx Frame Command Attributes. */
+ u32 fmbm_rfpne; /* Rx Frame Parser Next Engine */
+ u32 fmbm_rpso; /* Rx Parse Start Offset */
+ u32 fmbm_rpp; /* Rx Policer Profile */
+ u32 fmbm_rccb; /* Rx Coarse Classification Base */
+ u32 fmbm_reth; /* Rx Excessive Threshold */
+ u32 reserved1[0x01]; /* (0x03C) */
+ u32 fmbm_rprai[FM_PORT_PRS_RESULT_NUM_OF_WORDS];
+ /* Rx Parse Results Array Initialization */
+ u32 fmbm_rfqid; /* Rx Frame Queue ID */
+ u32 fmbm_refqid; /* Rx Error Frame Queue ID */
+ u32 fmbm_rfsdm; /* Rx Frame Status Discard Mask */
+ u32 fmbm_rfsem; /* Rx Frame Status Error Mask */
+ u32 fmbm_rfene; /* Rx Frame Enqueue Next Engine */
+ u32 reserved2[0x02]; /* (0x074-0x078) */
+ /* Rx Frame Continuous Mode Next Engine */
+ u32 fmbm_rcmne;
+ u32 reserved3[0x20]; /* (0x080 0x0FF) */
+ u32 fmbm_ebmpi[FM_PORT_MAX_NUM_OF_EXT_POOLS];
+ /* Buffer Manager pool Information- */
+ u32 fmbm_acnt[FM_PORT_MAX_NUM_OF_EXT_POOLS]; /* Allocate Counter- */
+ u32 reserved4[0x08]; /* 0x130/0x140 - 0x15F reserved - */
+ u32 fmbm_rcgm[FM_PORT_MAX_NUM_OF_CONGESTION_GRPS_ALL_INTEGRATIONS / 32];
+ /* Congestion Group Map */
+ u32 fmbm_rmpd; /* BM Pool Depletion */
+ u32 reserved5[0x1F]; /* (0x184 0x1FF) */
+ u32 fmbm_rstc; /* Rx Statistics Counters */
+ u32 fmbm_rfrc; /* Rx Frame Counter */
+ u32 fmbm_rfbc; /* Rx Bad Frames Counter */
+ u32 fmbm_rlfc; /* Rx Large Frames Counter */
+ u32 fmbm_rffc; /* Rx Filter Frames Counter */
+ u32 fmbm_rfcd; /* Rx Frame Discard Counter */
+ u32 fmbm_rfldec; /* Rx Frames List DMA Error Counter */
+ u32 fmbm_rodc;/* Rx Out of Buffers Discard Counter- */
+ u32 fmbm_rbdc; /* Rx Buffers Deallocate Counter- */
+ u32 fmbm_rpec; /* Rx RX Prepare to enqueue Counter- */
+ u32 reserved6[0x16]; /* (0x228 0x27F) */
+ u32 fmbm_rpc; /* Rx Performance Counters */
+ u32 fmbm_rpcp; /* Rx Performance Count Parameters */
+ u32 fmbm_rccn; /* Rx Cycle Counter */
+ u32 fmbm_rtuc; /* Rx Tasks Utilization Counter */
+ u32 fmbm_rrquc;/* Rx Receive Queue Utilization Counter */
+ u32 fmbm_rduc; /* Rx DMA Utilization Counter */
+ u32 fmbm_rfuc; /* Rx FIFO Utilization Counter */
+ u32 fmbm_rpac; /* Rx Pause Activation Counter */
+ u32 reserved7[0x18]; /* (0x2A0-0x2FF) */
+ u32 fmbm_rdcfg[0x3]; /* Rx Debug- */
+ u32 fmbm_rgpr; /* Rx General Purpose Register. */
+ u32 reserved8[0x3a];
+ /* (0x310-0x3FF) */
+};
+
+struct fm_port_tx_bmi_regs_t {
+ u32 fmbm_tcfg; /* Tx Configuration */
+ u32 fmbm_tst; /* Tx Status */
+ u32 fmbm_tda; /* Tx DMA attributes */
+ u32 fmbm_tfp; /* Tx FIFO Parameters */
+ u32 fmbm_tfed; /* Tx Frame End Data */
+ u32 fmbm_ticp; /* Tx Internal Context Parameters */
+ u32 fmbm_tfdne; /* Tx Frame Dequeue Next Engine. */
+ u32 fmbm_tfca; /* Tx Frame Command attribute. */
+ u32 fmbm_tcfqid; /* Tx Confirmation Frame Queue ID. */
+ u32 fmbm_tfeqid; /* Tx Frame Error Queue ID */
+ u32 fmbm_tfene; /* Tx Frame Enqueue Next Engine */
+ u32 fmbm_trlmts; /* Tx Rate Limiter Scale */
+ u32 fmbm_trlmt; /* Tx Rate Limiter */
+ u32 fmbm_tccb; /* Tx Coarse Classification Base */
+ u32 reserved0[0x0e]; /* (0x038-0x070) */
+ u32 fmbm_tfne; /* Tx Frame Next Engine */
+ u32 fmbm_tpfcm[0x02];
+ /* Tx Priority based Flow Control (PFC) Mapping */
+ u32 fmbm_tcmne; /* Tx Frame Continuous Mode Next Engine */
+ u32 reserved2[0x60]; /* (0x080-0x200) */
+ u32 fmbm_tstc; /* Tx Statistics Counters */
+ u32 fmbm_tfrc; /* Tx Frame Counter */
+ u32 fmbm_tfdc; /* Tx Frames Discard Counter */
+ u32 fmbm_tfledc; /* Tx Frame Length error discard counter */
+ /* Tx Frame unsupported format discard Counter */
+ u32 fmbm_tfufdc;
+ u32 fmbm_tbdc; /* Tx Buffers Deallocate Counter */
+ u32 reserved3[0x1A]; /* (0x218-0x280) */
+ u32 fmbm_tpc; /* Tx Performance Counters */
+ u32 fmbm_tpcp; /* Tx Performance Count Parameters */
+ u32 fmbm_tccn; /* Tx Cycle Counter */
+ u32 fmbm_ttuc; /* Tx Tasks Utilization Counter */
+ u32 fmbm_ttcquc; /* Tx Transmit Confirm Queue Utilization Counter */
+ u32 fmbm_tduc; /* Tx DMA Utilization Counter */
+ u32 fmbm_tfuc; /* Tx FIFO Utilization Counter */
+ u32 reserved4[16];/* (0x29C-0x2FF) */
+ u32 fmbm_tdcfg[0x3];
+ /* Tx Debug- */
+ u32 fmbm_tgpr; /* O/H General Purpose Register */
+ u32 reserved5[0x3a]; /* (0x310-0x3FF) */
+};
+
+union fm_port_bmi_regs_u {
+ struct fm_port_rx_bmi_regs_t rx_port_bmi_regs;
+ struct fm_port_tx_bmi_regs_t tx_port_bmi_regs;
+};
+
+/* BMI defines */
+#define BMI_PORT_RFNE_FRWD_RPD 0x40000000
+
+#define BMI_STATUS_RX_MASK_UNUSED \
+(u32)(~(FM_PORT_FRM_ERR_DMA | \
+FM_PORT_FRM_ERR_PHYSICAL | \
+FM_PORT_FRM_ERR_SIZE | \
+FM_PORT_FRM_ERR_CLS_DISCARD | \
+FM_PORT_FRM_ERR_EXTRACTION | \
+FM_PORT_FRM_ERR_NO_SCHEME | \
+FM_PORT_FRM_ERR_COLOR_RED | \
+FM_PORT_FRM_ERR_COLOR_YELLOW | \
+FM_PORT_FRM_ERR_PRS_TIMEOUT | \
+FM_PORT_FRM_ERR_PRS_ILL_INSTRUCT | \
+FM_PORT_FRM_ERR_BLOCK_LIMIT_EXCEEDED | \
+FM_PORT_FRM_ERR_PRS_HDR_ERR | \
+FM_PORT_FRM_ERR_IPRE | \
+FM_PORT_FRM_ERR_IPR_NCSP | \
+FM_PORT_FRM_ERR_KEYSIZE_OVERFLOW))
+
+#define RX_ERRS_TO_ENQ \
+(FM_PORT_FRM_ERR_DMA | \
+FM_PORT_FRM_ERR_PHYSICAL | \
+FM_PORT_FRM_ERR_SIZE | \
+FM_PORT_FRM_ERR_EXTRACTION | \
+FM_PORT_FRM_ERR_NO_SCHEME | \
+FM_PORT_FRM_ERR_PRS_TIMEOUT | \
+FM_PORT_FRM_ERR_PRS_ILL_INSTRUCT | \
+FM_PORT_FRM_ERR_BLOCK_LIMIT_EXCEEDED | \
+FM_PORT_FRM_ERR_PRS_HDR_ERR | \
+FM_PORT_FRM_ERR_KEYSIZE_OVERFLOW | \
+FM_PORT_FRM_ERR_IPRE)
+
+/* sizes */
+#define FRAME_END_DATA_SIZE 16
+#define MIN_TX_INT_OFFSET 16
+#define MAX_FIFO_PIPELINE_DEPTH 8
+#define MAX_NUM_OF_TASKS 64
+#define MAX_NUM_OF_EXTRA_TASKS 8
+#define MAX_NUM_OF_DMAS 16
+#define MAX_NUM_OF_EXTRA_DMAS 8
+
+/* QMI defines */
+#define QMI_DEQ_CFG_SUBPORTAL_MASK 0x1f
+
+struct fm_port_drv_param_t {
+ struct fman_port_cfg dflt_cfg;
+ u32 dflt_fqid;
+ u32 err_fqid;
+ void __iomem *base_addr;
+ u8 deq_sub_portal;
+ bool deq_high_priority;
+ enum fm_port_deq_type deq_type;
+ enum fm_port_deq_prefetch_option deq_prefetch_option;
+ u16 deq_byte_cnt;
+ u8 cheksum_last_bytes_ignore;
+ u8 cut_bytes_from_end;
+ struct fm_buf_pool_depletion_t buf_pool_depletion;
+ bool frm_discard_override;
+ bool en_buf_pool_depletion;
+ u16 liodn_offset;
+ u16 liodn_base;
+ struct fm_ext_pools_t ext_buf_pools;
+ u32 tx_fifo_min_fill_level;
+ u32 tx_fifo_low_comf_level;
+ u32 rx_fifo_pri_elevation_level;
+ u32 rx_fifo_threshold;
+ struct fm_sp_buf_margins_t buf_margins;
+ struct fm_sp_int_context_data_copy_t int_context;
+ u32 errors_to_discard;
+ bool forward_reuse_int_context;
+ struct fm_buffer_prefix_content_t buffer_prefix_content;
+ struct fm_backup_bm_pools_t *backup_bm_pools;
+ bool dont_release_buf;
+ bool set_num_of_tasks;
+ bool set_num_of_open_dmas;
+ bool set_size_of_fifo;
+ bool bcb_workaround;
+};
+
+struct fm_port_rx_pools_params_t {
+ u8 num_of_pools;
+ u16 second_largest_buf_size;
+ u16 largest_buf_size;
+};
+
+struct fm_port_intg_t {
+ u32 max_port_fifo_size;
+ u32 max_num_of_ext_pools;
+ u32 fm_max_num_of_sub_portals;
+ u32 bm_max_num_of_pools;
+};
+
+/* No PCD Engine indicated */
+#define FM_PCD_NONE 0
+
+struct fm_port_t {
+ struct fman_port port;
+ void *fm;
+ struct fm_revision_info_t fm_rev_info;
+ u8 port_id;
+ enum fm_port_type port_type;
+ enum fm_port_speed port_speed;
+ int enabled;
+ char name[MODULE_NAME_SIZE];
+
+ union fm_port_bmi_regs_u __iomem *fm_port_bmi_regs;
+ /* The optional engines are devined avobe */
+ struct fm_sp_buffer_offsets_t buffer_offsets;
+
+ u8 internal_buf_offset;
+ struct fm_ext_pools_t ext_buf_pools;
+
+ u16 max_frame_length;
+ struct fm_port_rsrc_t open_dmas;
+ struct fm_port_rsrc_t tasks;
+ struct fm_port_rsrc_t fifo_bufs;
+ struct fm_port_rx_pools_params_t rx_pools_params;
+
+ struct fm_port_drv_param_t *fm_port_drv_param;
+ struct fm_port_intg_t *port_intg;
+};
+
+static inline int fm_port_dflt_fifo_deq_pipeline_depth(u8 major,
+ enum fm_port_type type,
+ enum fm_port_speed speed)
+{
+ switch (type) {
+ case FM_PORT_TYPE_RX:
+ case FM_PORT_TYPE_TX:
+ switch (speed) {
+ case FM_PORT_SPEED_10G:
+ return 4;
+ case FM_PORT_SPEED_1G:
+ if (major >= 6)
+ return 2;
+ else
+ return 1;
+ default:
+ return 0;
+ }
+ default:
+ return 0;
+ }
+}
+
+static inline int fm_port_dflt_num_of_tasks(u8 major,
+ enum fm_port_type type,
+ enum fm_port_speed speed)
+{
+ switch (type) {
+ case FM_PORT_TYPE_RX:
+ case FM_PORT_TYPE_TX:
+ switch (speed) {
+ case FM_PORT_SPEED_10G:
+ return 16;
+ case FM_PORT_SPEED_1G:
+ if (major >= 6)
+ return 4;
+ else
+ return 3;
+ default:
+ return 0;
+ }
+ default:
+ return 0;
+ }
+}
+
+static inline int fm_port_dflt_extra_num_of_tasks(u8 major,
+ enum fm_port_type type,
+ enum fm_port_speed speed)
+{
+ switch (type) {
+ case FM_PORT_TYPE_RX:
+ /* FMan V3 */
+ if (major >= 6)
+ return 0;
+
+ /* FMan V2 */
+ if (speed == FM_PORT_SPEED_10G)
+ return 8;
+ else
+ return 2;
+ case FM_PORT_TYPE_TX:
+ default:
+ return 0;
+ }
+}
+
+static inline int fm_port_dflt_num_of_open_dmas(u8 major,
+ enum fm_port_type type,
+ enum fm_port_speed speed)
+{
+ int val;
+
+ if (major >= 6) {
+ switch (type) {
+ case FM_PORT_TYPE_TX:
+ if (speed == FM_PORT_SPEED_10G)
+ val = 12;
+ else
+ val = 3;
+ break;
+ case FM_PORT_TYPE_RX:
+ if (speed == FM_PORT_SPEED_10G)
+ val = 8;
+ else
+ val = 2;
+ break;
+ default:
+ return 0;
+ }
+ } else {
+ switch (type) {
+ case FM_PORT_TYPE_TX:
+ case FM_PORT_TYPE_RX:
+ if (speed == FM_PORT_SPEED_10G)
+ val = 8;
+ else
+ val = 1;
+ break;
+ default:
+ val = 0;
+ }
+ }
+
+ return val;
+}
+
+static inline int fm_port_dflt_extra_num_of_open_dmas(u8 major,
+ enum fm_port_type type,
+ enum fm_port_speed speed)
+{
+ /* FMan V3 */
+ if (major >= 6)
+ return 0;
+
+ /* FMan V2 */
+ switch (type) {
+ case FM_PORT_TYPE_RX:
+ case FM_PORT_TYPE_TX:
+ if (speed == FM_PORT_SPEED_10G)
+ return 8;
+ else
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline int fm_port_dflt_num_of_fifo_bufs(u8 major,
+ enum fm_port_type type,
+ enum fm_port_speed speed)
+{
+ int val;
+
+ if (major >= 6) {
+ switch (type) {
+ case FM_PORT_TYPE_TX:
+ if (speed == FM_PORT_SPEED_10G)
+ val = 64;
+ else
+ val = 50;
+ break;
+ case FM_PORT_TYPE_RX:
+ if (speed == FM_PORT_SPEED_10G)
+ val = 96;
+ else
+ val = 50;
+ break;
+ default:
+ val = 0;
+ }
+ } else {
+ switch (type) {
+ case FM_PORT_TYPE_TX:
+ if (speed == FM_PORT_SPEED_10G)
+ val = 48;
+ else
+ val = 44;
+ break;
+ case FM_PORT_TYPE_RX:
+ if (speed == FM_PORT_SPEED_10G)
+ val = 48;
+ else
+ val = 45;
+ break;
+ default:
+ val = 0;
+ }
+ }
+
+ return val;
+}
+
+#endif /* __FM_PORT_H */
--
1.7.9.5
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