diff options
author | Ioana Radulescu <ruxandra.radulescu@nxp.com> | 2017-04-28 04:50:28 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-28 14:25:17 +0200 |
commit | 0352d1d852017953a5bdc5d735e3b9ff24fe63bd (patch) | |
tree | bcfdd07d9b33d1a19663a4965b3d3b7c19dc2aa3 /drivers/staging | |
parent | 9425f00e6225b289995e5b7f00f41fa1d5316835 (diff) |
staging: fsl-dpaa2/eth: Add APIs for DPNI objects
Add the command build/parse APIs for operating on DPNI objects through
the DPAA2 Management Complex.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/Kconfig | 2 | ||||
-rw-r--r-- | drivers/staging/Makefile | 1 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/Kconfig | 17 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/Makefile | 5 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/Makefile | 7 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpkg.h | 176 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h | 541 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpni.c | 1595 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpni.h | 832 | ||||
-rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/net.h | 480 |
10 files changed, 3656 insertions, 0 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 43838cc224e9..74ec7ca0cd3b 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -94,6 +94,8 @@ source "drivers/staging/fbtft/Kconfig" source "drivers/staging/fsl-mc/Kconfig" +source "drivers/staging/fsl-dpaa2/Kconfig" + source "drivers/staging/wilc1000/Kconfig" source "drivers/staging/most/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 1bfbc07e6624..422fae4ea0f3 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_UNISYSSPAR) += unisys/ obj-$(CONFIG_COMMON_CLK_XLNX_CLKWZRD) += clocking-wizard/ obj-$(CONFIG_FB_TFT) += fbtft/ obj-$(CONFIG_FSL_MC_BUS) += fsl-mc/ +obj-$(CONFIG_FSL_DPAA2) += fsl-dpaa2/ obj-$(CONFIG_WILC1000) += wilc1000/ obj-$(CONFIG_MOST) += most/ obj-$(CONFIG_KS7010) += ks7010/ diff --git a/drivers/staging/fsl-dpaa2/Kconfig b/drivers/staging/fsl-dpaa2/Kconfig new file mode 100644 index 000000000000..2e325cb747ae --- /dev/null +++ b/drivers/staging/fsl-dpaa2/Kconfig @@ -0,0 +1,17 @@ +# +# Freescale DataPath Acceleration Architecture Gen2 (DPAA2) drivers +# + +config FSL_DPAA2 + bool "Freescale DPAA2 devices" + depends on FSL_MC_BUS + ---help--- + Build drivers for Freescale DataPath Acceleration + Architecture (DPAA2) family of SoCs. + +config FSL_DPAA2_ETH + tristate "Freescale DPAA2 Ethernet" + depends on FSL_DPAA2 && FSL_MC_DPIO + ---help--- + Ethernet driver for Freescale DPAA2 SoCs, using the + Freescale MC bus driver diff --git a/drivers/staging/fsl-dpaa2/Makefile b/drivers/staging/fsl-dpaa2/Makefile new file mode 100644 index 000000000000..0836ba8977b1 --- /dev/null +++ b/drivers/staging/fsl-dpaa2/Makefile @@ -0,0 +1,5 @@ +# +# Freescale DataPath Acceleration Architecture Gen2 (DPAA2) drivers +# + +obj-$(CONFIG_FSL_DPAA2_ETH) += ethernet/ diff --git a/drivers/staging/fsl-dpaa2/ethernet/Makefile b/drivers/staging/fsl-dpaa2/ethernet/Makefile new file mode 100644 index 000000000000..83b62644a44b --- /dev/null +++ b/drivers/staging/fsl-dpaa2/ethernet/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the Freescale DPAA2 Ethernet controller +# + +obj-$(CONFIG_FSL_DPAA2_ETH) += fsl-dpaa2-eth.o + +fsl-dpaa2-eth-objs := dpni.o diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpkg.h b/drivers/staging/fsl-dpaa2/ethernet/dpkg.h new file mode 100644 index 000000000000..02290a088391 --- /dev/null +++ b/drivers/staging/fsl-dpaa2/ethernet/dpkg.h @@ -0,0 +1,176 @@ +/* Copyright 2013-2015 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 the above-listed copyright holders nor the + * names of any 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDERS OR CONTRIBUTORS 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 __FSL_DPKG_H_ +#define __FSL_DPKG_H_ + +#include <linux/types.h> +#include "net.h" + +/* Data Path Key Generator API + * Contains initialization APIs and runtime APIs for the Key Generator + */ + +/** Key Generator properties */ + +/** + * Number of masks per key extraction + */ +#define DPKG_NUM_OF_MASKS 4 +/** + * Number of extractions per key profile + */ +#define DPKG_MAX_NUM_OF_EXTRACTS 10 + +/** + * enum dpkg_extract_from_hdr_type - Selecting extraction by header types + * @DPKG_FROM_HDR: Extract selected bytes from header, by offset + * @DPKG_FROM_FIELD: Extract selected bytes from header, by offset from field + * @DPKG_FULL_FIELD: Extract a full field + */ +enum dpkg_extract_from_hdr_type { + DPKG_FROM_HDR = 0, + DPKG_FROM_FIELD = 1, + DPKG_FULL_FIELD = 2 +}; + +/** + * enum dpkg_extract_type - Enumeration for selecting extraction type + * @DPKG_EXTRACT_FROM_HDR: Extract from the header + * @DPKG_EXTRACT_FROM_DATA: Extract from data not in specific header + * @DPKG_EXTRACT_FROM_PARSE: Extract from parser-result; + * e.g. can be used to extract header existence; + * please refer to 'Parse Result definition' section in the parser BG + */ +enum dpkg_extract_type { + DPKG_EXTRACT_FROM_HDR = 0, + DPKG_EXTRACT_FROM_DATA = 1, + DPKG_EXTRACT_FROM_PARSE = 3 +}; + +/** + * struct dpkg_mask - A structure for defining a single extraction mask + * @mask: Byte mask for the extracted content + * @offset: Offset within the extracted content + */ +struct dpkg_mask { + u8 mask; + u8 offset; +}; + +/** + * struct dpkg_extract - A structure for defining a single extraction + * @type: Determines how the union below is interpreted: + * DPKG_EXTRACT_FROM_HDR: selects 'from_hdr'; + * DPKG_EXTRACT_FROM_DATA: selects 'from_data'; + * DPKG_EXTRACT_FROM_PARSE: selects 'from_parse' + * @extract: Selects extraction method + * @num_of_byte_masks: Defines the number of valid entries in the array below; + * This is also the number of bytes to be used as masks + * @masks: Masks parameters + */ +struct dpkg_extract { + enum dpkg_extract_type type; + /** + * union extract - Selects extraction method + * @from_hdr - Used when 'type = DPKG_EXTRACT_FROM_HDR' + * @from_data - Used when 'type = DPKG_EXTRACT_FROM_DATA' + * @from_parse - Used when 'type = DPKG_EXTRACT_FROM_PARSE' + */ + union { + /** + * struct from_hdr - Used when 'type = DPKG_EXTRACT_FROM_HDR' + * @prot: Any of the supported headers + * @type: Defines the type of header extraction: + * DPKG_FROM_HDR: use size & offset below; + * DPKG_FROM_FIELD: use field, size and offset below; + * DPKG_FULL_FIELD: use field below + * @field: One of the supported fields (NH_FLD_) + * + * @size: Size in bytes + * @offset: Byte offset + * @hdr_index: Clear for cases not listed below; + * Used for protocols that may have more than a single + * header, 0 indicates an outer header; + * Supported protocols (possible values): + * NET_PROT_VLAN (0, HDR_INDEX_LAST); + * NET_PROT_MPLS (0, 1, HDR_INDEX_LAST); + * NET_PROT_IP(0, HDR_INDEX_LAST); + * NET_PROT_IPv4(0, HDR_INDEX_LAST); + * NET_PROT_IPv6(0, HDR_INDEX_LAST); + */ + + struct { + enum net_prot prot; + enum dpkg_extract_from_hdr_type type; + u32 field; + u8 size; + u8 offset; + u8 hdr_index; + } from_hdr; + /** + * struct from_data - Used when 'type = DPKG_EXTRACT_FROM_DATA' + * @size: Size in bytes + * @offset: Byte offset + */ + struct { + u8 size; + u8 offset; + } from_data; + + /** + * struct from_parse - Used when + * 'type = DPKG_EXTRACT_FROM_PARSE' + * @size: Size in bytes + * @offset: Byte offset + */ + struct { + u8 size; + u8 offset; + } from_parse; + } extract; + + u8 num_of_byte_masks; + struct dpkg_mask masks[DPKG_NUM_OF_MASKS]; +}; + +/** + * struct dpkg_profile_cfg - A structure for defining a full Key Generation + * profile (rule) + * @num_extracts: Defines the number of valid entries in the array below + * @extracts: Array of required extractions + */ +struct dpkg_profile_cfg { + u8 num_extracts; + struct dpkg_extract extracts[DPKG_MAX_NUM_OF_EXTRACTS]; +}; + +#endif /* __FSL_DPKG_H_ */ diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h b/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h new file mode 100644 index 000000000000..57df22292233 --- /dev/null +++ b/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h @@ -0,0 +1,541 @@ +/* Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2016 NXP + * + * 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 the above-listed copyright holders nor the + * names of any 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDERS OR CONTRIBUTORS 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 _FSL_DPNI_CMD_H +#define _FSL_DPNI_CMD_H + +#include "dpni.h" + +/* DPNI Version */ +#define DPNI_VER_MAJOR 7 +#define DPNI_VER_MINOR 0 +#define DPNI_CMD_BASE_VERSION 1 +#define DPNI_CMD_ID_OFFSET 4 + +#define DPNI_CMD(id) (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_BASE_VERSION) + +#define DPNI_CMDID_OPEN DPNI_CMD(0x801) +#define DPNI_CMDID_CLOSE DPNI_CMD(0x800) +#define DPNI_CMDID_CREATE DPNI_CMD(0x901) +#define DPNI_CMDID_DESTROY DPNI_CMD(0x900) +#define DPNI_CMDID_GET_API_VERSION DPNI_CMD(0xa01) + +#define DPNI_CMDID_ENABLE DPNI_CMD(0x002) +#define DPNI_CMDID_DISABLE DPNI_CMD(0x003) +#define DPNI_CMDID_GET_ATTR DPNI_CMD(0x004) +#define DPNI_CMDID_RESET DPNI_CMD(0x005) +#define DPNI_CMDID_IS_ENABLED DPNI_CMD(0x006) + +#define DPNI_CMDID_SET_IRQ DPNI_CMD(0x010) +#define DPNI_CMDID_GET_IRQ DPNI_CMD(0x011) +#define DPNI_CMDID_SET_IRQ_ENABLE DPNI_CMD(0x012) +#define DPNI_CMDID_GET_IRQ_ENABLE DPNI_CMD(0x013) +#define DPNI_CMDID_SET_IRQ_MASK DPNI_CMD(0x014) +#define DPNI_CMDID_GET_IRQ_MASK DPNI_CMD(0x015) +#define DPNI_CMDID_GET_IRQ_STATUS DPNI_CMD(0x016) +#define DPNI_CMDID_CLEAR_IRQ_STATUS DPNI_CMD(0x017) + +#define DPNI_CMDID_SET_POOLS DPNI_CMD(0x200) +#define DPNI_CMDID_SET_ERRORS_BEHAVIOR DPNI_CMD(0x20B) + +#define DPNI_CMDID_GET_QDID DPNI_CMD(0x210) +#define DPNI_CMDID_GET_TX_DATA_OFFSET DPNI_CMD(0x212) +#define DPNI_CMDID_GET_LINK_STATE DPNI_CMD(0x215) +#define DPNI_CMDID_SET_MAX_FRAME_LENGTH DPNI_CMD(0x216) +#define DPNI_CMDID_GET_MAX_FRAME_LENGTH DPNI_CMD(0x217) +#define DPNI_CMDID_SET_LINK_CFG DPNI_CMD(0x21A) +#define DPNI_CMDID_SET_TX_SHAPING DPNI_CMD(0x21B) + +#define DPNI_CMDID_SET_MCAST_PROMISC DPNI_CMD(0x220) +#define DPNI_CMDID_GET_MCAST_PROMISC DPNI_CMD(0x221) +#define DPNI_CMDID_SET_UNICAST_PROMISC DPNI_CMD(0x222) +#define DPNI_CMDID_GET_UNICAST_PROMISC DPNI_CMD(0x223) +#define DPNI_CMDID_SET_PRIM_MAC DPNI_CMD(0x224) +#define DPNI_CMDID_GET_PRIM_MAC DPNI_CMD(0x225) +#define DPNI_CMDID_ADD_MAC_ADDR DPNI_CMD(0x226) +#define DPNI_CMDID_REMOVE_MAC_ADDR DPNI_CMD(0x227) +#define DPNI_CMDID_CLR_MAC_FILTERS DPNI_CMD(0x228) + +#define DPNI_CMDID_SET_RX_TC_DIST DPNI_CMD(0x235) + +#define DPNI_CMDID_ADD_FS_ENT DPNI_CMD(0x244) +#define DPNI_CMDID_REMOVE_FS_ENT DPNI_CMD(0x245) +#define DPNI_CMDID_CLR_FS_ENT DPNI_CMD(0x246) + +#define DPNI_CMDID_GET_STATISTICS DPNI_CMD(0x25D) +#define DPNI_CMDID_GET_QUEUE DPNI_CMD(0x25F) +#define DPNI_CMDID_SET_QUEUE DPNI_CMD(0x260) +#define DPNI_CMDID_GET_TAILDROP DPNI_CMD(0x261) +#define DPNI_CMDID_SET_TAILDROP DPNI_CMD(0x262) + +#define DPNI_CMDID_GET_PORT_MAC_ADDR DPNI_CMD(0x263) + +#define DPNI_CMDID_GET_BUFFER_LAYOUT DPNI_CMD(0x264) +#define DPNI_CMDID_SET_BUFFER_LAYOUT DPNI_CMD(0x265) + +#define DPNI_CMDID_SET_TX_CONFIRMATION_MODE DPNI_CMD(0x266) +#define DPNI_CMDID_SET_CONGESTION_NOTIFICATION DPNI_CMD(0x267) +#define DPNI_CMDID_GET_CONGESTION_NOTIFICATION DPNI_CMD(0x268) +#define DPNI_CMDID_SET_EARLY_DROP DPNI_CMD(0x269) +#define DPNI_CMDID_GET_EARLY_DROP DPNI_CMD(0x26A) +#define DPNI_CMDID_GET_OFFLOAD DPNI_CMD(0x26B) +#define DPNI_CMDID_SET_OFFLOAD DPNI_CMD(0x26C) + +/* Macros for accessing command fields smaller than 1byte */ +#define DPNI_MASK(field) \ + GENMASK(DPNI_##field##_SHIFT + DPNI_##field##_SIZE - 1, \ + DPNI_##field##_SHIFT) + +#define dpni_set_field(var, field, val) \ + ((var) |= (((val) << DPNI_##field##_SHIFT) & DPNI_MASK(field))) +#define dpni_get_field(var, field) \ + (((var) & DPNI_MASK(field)) >> DPNI_##field##_SHIFT) + +struct dpni_cmd_open { + __le32 dpni_id; +}; + +#define DPNI_BACKUP_POOL(val, order) (((val) & 0x1) << (order)) +struct dpni_cmd_set_pools { + /* cmd word 0 */ + u8 num_dpbp; + u8 backup_pool_mask; + __le16 pad; + /* cmd word 0..4 */ + __le32 dpbp_id[DPNI_MAX_DPBP]; + /* cmd word 4..6 */ + __le16 buffer_size[DPNI_MAX_DPBP]; +}; + +/* The enable indication is always the least significant bit */ +#define DPNI_ENABLE_SHIFT 0 +#define DPNI_ENABLE_SIZE 1 + +struct dpni_rsp_is_enabled { + u8 enabled; +}; + +struct dpni_rsp_get_irq { + /* response word 0 */ + __le32 irq_val; + __le32 pad; + /* response word 1 */ + __le64 irq_addr; + /* response word 2 */ + __le32 irq_num; + __le32 type; +}; + +struct dpni_cmd_set_irq_enable { + u8 enable; + u8 pad[3]; + u8 irq_index; +}; + +struct dpni_cmd_get_irq_enable { + __le32 pad; + u8 irq_index; +}; + +struct dpni_rsp_get_irq_enable { + u8 enabled; +}; + +struct dpni_cmd_set_irq_mask { + __le32 mask; + u8 irq_index; +}; + +struct dpni_cmd_get_irq_mask { + __le32 pad; + u8 irq_index; +}; + +struct dpni_rsp_get_irq_mask { + __le32 mask; +}; + +struct dpni_cmd_get_irq_status { + __le32 status; + u8 irq_index; +}; + +struct dpni_rsp_get_irq_status { + __le32 status; +}; + +struct dpni_cmd_clear_irq_status { + __le32 status; + u8 irq_index; +}; + +struct dpni_rsp_get_attr { + /* response word 0 */ + __le32 options; + u8 num_queues; + u8 num_tcs; + u8 mac_filter_entries; + u8 pad0; + /* response word 1 */ + u8 vlan_filter_entries; + u8 pad1; + u8 qos_entries; + u8 pad2; + __le16 fs_entries; + __le16 pad3; + /* response word 2 */ + u8 qos_key_size; + u8 fs_key_size; + __le16 wriop_version; +}; + +#define DPNI_ERROR_ACTION_SHIFT 0 +#define DPNI_ERROR_ACTION_SIZE 4 +#define DPNI_FRAME_ANN_SHIFT 4 +#define DPNI_FRAME_ANN_SIZE 1 + +struct dpni_cmd_set_errors_behavior { + __le32 errors; + /* from least significant bit: error_action:4, set_frame_annotation:1 */ + u8 flags; +}; + +/* There are 3 separate commands for configuring Rx, Tx and Tx confirmation + * buffer layouts, but they all share the same parameters. + * If one of the functions changes, below structure needs to be split. + */ + +#define DPNI_PASS_TS_SHIFT 0 +#define DPNI_PASS_TS_SIZE 1 +#define DPNI_PASS_PR_SHIFT 1 +#define DPNI_PASS_PR_SIZE 1 +#define DPNI_PASS_FS_SHIFT 2 +#define DPNI_PASS_FS_SIZE 1 + +struct dpni_cmd_get_buffer_layout { + u8 qtype; +}; + +struct dpni_rsp_get_buffer_layout { + /* response word 0 */ + u8 pad0[6]; + /* from LSB: pass_timestamp:1, parser_result:1, frame_status:1 */ + u8 flags; + u8 pad1; + /* response word 1 */ + __le16 private_data_size; + __le16 data_align; + __le16 head_room; + __le16 tail_room; +}; + +struct dpni_cmd_set_buffer_layout { + /* cmd word 0 */ + u8 qtype; + u8 pad0[3]; + __le16 options; + /* from LSB: pass_timestamp:1, parser_result:1, frame_status:1 */ + u8 flags; + u8 pad1; + /* cmd word 1 */ + __le16 private_data_size; + __le16 data_align; + __le16 head_room; + __le16 tail_room; +}; + +struct dpni_cmd_set_offload { + u8 pad[3]; + u8 dpni_offload; + __le32 config; +}; + +struct dpni_cmd_get_offload { + u8 pad[3]; + u8 dpni_offload; +}; + +struct dpni_rsp_get_offload { + __le32 pad; + __le32 config; +}; + +struct dpni_cmd_get_qdid { + u8 qtype; +}; + +struct dpni_rsp_get_qdid { + __le16 qdid; +}; + +struct dpni_rsp_get_tx_data_offset { + __le16 data_offset; +}; + +struct dpni_cmd_get_statistics { + u8 page_number; +}; + +struct dpni_rsp_get_statistics { + __le64 counter[DPNI_STATISTICS_CNT]; +}; + +struct dpni_cmd_set_link_cfg { + /* cmd word 0 */ + __le64 pad0; + /* cmd word 1 */ + __le32 rate; + __le32 pad1; + /* cmd word 2 */ + __le64 options; +}; + +#define DPNI_LINK_STATE_SHIFT 0 +#define DPNI_LINK_STATE_SIZE 1 + +struct dpni_rsp_get_link_state { + /* response word 0 */ + __le32 pad0; + /* from LSB: up:1 */ + u8 flags; + u8 pad1[3]; + /* response word 1 */ + __le32 rate; + __le32 pad2; + /* response word 2 */ + __le64 options; +}; + +struct dpni_cmd_set_max_frame_length { + __le16 max_frame_length; +}; + +struct dpni_rsp_get_max_frame_length { + __le16 max_frame_length; +}; + +struct dpni_cmd_set_multicast_promisc { + u8 enable; +}; + +struct dpni_rsp_get_multicast_promisc { + u8 enabled; +}; + +struct dpni_cmd_set_unicast_promisc { + u8 enable; +}; + +struct dpni_rsp_get_unicast_promisc { + u8 enabled; +}; + +struct dpni_cmd_set_primary_mac_addr { + __le16 pad; + u8 mac_addr[6]; +}; + +struct dpni_rsp_get_primary_mac_addr { + __le16 pad; + u8 mac_addr[6]; +}; + +struct dpni_rsp_get_port_mac_addr { + __le16 pad; + u8 mac_addr[6]; +}; + +struct dpni_cmd_add_mac_addr { + __le16 pad; + u8 mac_addr[6]; +}; + +struct dpni_cmd_remove_mac_addr { + __le16 pad; + u8 mac_addr[6]; +}; + +#define DPNI_UNICAST_FILTERS_SHIFT 0 +#define DPNI_UNICAST_FILTERS_SIZE 1 +#define DPNI_MULTICAST_FILTERS_SHIFT 1 +#define DPNI_MULTICAST_FILTERS_SIZE 1 + +struct dpni_cmd_clear_mac_filters { + /* from LSB: unicast:1, multicast:1 */ + u8 flags; +}; + +#define DPNI_DIST_MODE_SHIFT 0 +#define DPNI_DIST_MODE_SIZE 4 +#define DPNI_MISS_ACTION_SHIFT 4 +#define DPNI_MISS_ACTION_SIZE 4 + +struct dpni_cmd_set_rx_tc_dist { + /* cmd word 0 */ + __le16 dist_size; + u8 tc_id; + /* from LSB: dist_mode:4, miss_action:4 */ + u8 flags; + __le16 pad0; + __le16 default_flow_id; + /* cmd word 1..5 */ + __le64 pad1[5]; + /* cmd word 6 */ + __le64 key_cfg_iova; +}; + +/* dpni_set_rx_tc_dist extension (structure of the DMA-able memory at + * key_cfg_iova) + */ +struct dpni_mask_cfg { + u8 mask; + u8 offset; +}; + +#define DPNI_EFH_TYPE_SHIFT 0 +#define DPNI_EFH_TYPE_SIZE 4 +#define DPNI_EXTRACT_TYPE_SHIFT 0 +#define DPNI_EXTRACT_TYPE_SIZE 4 + +struct dpni_dist_extract { + /* word 0 */ + u8 prot; + /* EFH type stored in the 4 least significant bits */ + u8 efh_type; + u8 size; + u8 offset; + __le32 field; + /* word 1 */ + u8 hdr_index; + u8 constant; + u8 num_of_repeats; + u8 num_of_byte_masks; + /* Extraction type is stored in the 4 LSBs */ + u8 extract_type; + u8 pad[3]; + /* word 2 */ + struct dpni_mask_cfg masks[4]; +}; + +struct dpni_ext_set_rx_tc_dist { + /* extension word 0 */ + u8 num_extracts; + u8 pad[7]; + /* words 1..25 */ + struct dpni_dist_extract extracts[DPKG_MAX_NUM_OF_EXTRACTS]; +}; + +struct dpni_cmd_get_queue { + u8 qtype; + u8 tc; + u8 index; +}; + +#define DPNI_DEST_TYPE_SHIFT 0 +#define DPNI_DEST_TYPE_SIZE 4 +#define DPNI_STASH_CTRL_SHIFT 6 +#define DPNI_STASH_CTRL_SIZE 1 +#define DPNI_HOLD_ACTIVE_SHIFT 7 +#define DPNI_HOLD_ACTIVE_SIZE 1 + +struct dpni_rsp_get_queue { + /* response word 0 */ + __le64 pad0; + /* response word 1 */ + __le32 dest_id; + __le16 pad1; + u8 dest_prio; + /* From LSB: dest_type:4, pad:2, flc_stash_ctrl:1, hold_active:1 */ + u8 flags; + /* response word 2 */ + __le64 flc; + /* response word 3 */ + __le64 user_context; + /* response word 4 */ + __le32 fqid; + __le16 qdbin; +}; + +struct dpni_cmd_set_queue { + /* cmd word 0 */ + u8 qtype; + u8 tc; + u8 index; + u8 options; + __le32 pad0; + /* cmd word 1 */ + __le32 dest_id; + __le16 pad1; + u8 dest_prio; + u8 flags; + /* cmd word 2 */ + __le64 flc; + /* cmd word 3 */ + __le64 user_context; +}; + +struct dpni_cmd_set_taildrop { + /* cmd word 0 */ + u8 congestion_point; + u8 qtype; + u8 tc; + u8 index; + __le32 pad0; + /* cmd word 1 */ + /* Only least significant bit is relevant */ + u8 enable; + u8 pad1; + u8 units; + u8 pad2; + __le32 threshold; +}; + +struct dpni_cmd_get_taildrop { + u8 congestion_point; + u8 qtype; + u8 tc; + u8 index; +}; + +struct dpni_rsp_get_taildrop { + /* cmd word 0 */ + __le64 pad0; + /* cmd word 1 */ + /* only least significant bit is relevant */ + u8 enable; + u8 pad1; + u8 units; + u8 pad2; + __le32 threshold; +}; + +#endif /* _FSL_DPNI_CMD_H */ diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpni.c b/drivers/staging/fsl-dpaa2/ethernet/dpni.c new file mode 100644 index 000000000000..cea46edec6a2 --- /dev/null +++ b/drivers/staging/fsl-dpaa2/ethernet/dpni.c @@ -0,0 +1,1595 @@ +/* Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2016 NXP + * + * 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 the above-listed copyright holders nor the + * names of any 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDERS OR CONTRIBUTORS 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 "../../fsl-mc/include/mc-sys.h" +#include "../../fsl-mc/include/mc-cmd.h" +#include "dpni.h" +#include "dpni-cmd.h" + +/** + * dpni_prepare_key_cfg() - function prepare extract parameters + * @cfg: defining a full Key Generation profile (rule) + * @key_cfg_buf: Zeroed 256 bytes of memory before mapping it to DMA + * + * This function has to be called before the following functions: + * - dpni_set_rx_tc_dist() + * - dpni_set_qos_table() + */ +int dpni_prepare_key_cfg(const struct dpkg_profile_cfg *cfg, u8 *key_cfg_buf) +{ + int i, j; + struct dpni_ext_set_rx_tc_dist *dpni_ext; + struct dpni_dist_extract *extr; + + if (cfg->num_extracts > DPKG_MAX_NUM_OF_EXTRACTS) + return -EINVAL; + + dpni_ext = (struct dpni_ext_set_rx_tc_dist *)key_cfg_buf; + dpni_ext->num_extracts = cfg->num_extracts; + + for (i = 0; i < cfg->num_extracts; i++) { + extr = &dpni_ext->extracts[i]; + + switch (cfg->extracts[i].type) { + case DPKG_EXTRACT_FROM_HDR: + extr->prot = cfg->extracts[i].extract.from_hdr.prot; + dpni_set_field(extr->efh_type, EFH_TYPE, + cfg->extracts[i].extract.from_hdr.type); + extr->size = cfg->extracts[i].extract.from_hdr.size; + extr->offset = cfg->extracts[i].extract.from_hdr.offset; + extr->field = cpu_to_le32( + cfg->extracts[i].extract.from_hdr.field); + extr->hdr_index = + cfg->extracts[i].extract.from_hdr.hdr_index; + break; + case DPKG_EXTRACT_FROM_DATA: + extr->size = cfg->extracts[i].extract.from_data.size; + extr->offset = + cfg->extracts[i].extract.from_data.offset; + break; + case DPKG_EXTRACT_FROM_PARSE: + extr->size = cfg->extracts[i].extract.from_parse.size; + extr->offset = + cfg->extracts[i].extract.from_parse.offset; + break; + default: + return -EINVAL; + } + + extr->num_of_byte_masks = cfg->extracts[i].num_of_byte_masks; + dpni_set_field(extr->extract_type, EXTRACT_TYPE, + cfg->extracts[i].type); + + for (j = 0; j < DPKG_NUM_OF_MASKS; j++) { + extr->masks[j].mask = cfg->extracts[i].masks[j].mask; + extr->masks[j].offset = + cfg->extracts[i].masks[j].offset; + } + } + + return 0; +} + +/** + * dpni_open() - Open a control session for the specified object + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @dpni_id: DPNI unique ID + * @token: Returned token; use in subsequent API calls + * + * This function can be used to open a control session for an + * already created object; an object may have been declared in + * the DPL or by calling the dpni_create() function. + * This function returns a unique authentication token, + * associated with the specific object ID and the specific MC + * portal; this token must be used in all subsequent commands for + * this specific object. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_open(struct fsl_mc_io *mc_io, + u32 cmd_flags, + int dpni_id, + u16 *token) +{ + struct mc_command cmd = { 0 }; + struct dpni_cmd_open *cmd_params; + + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPNI_CMDID_OPEN, + cmd_flags, + 0); + cmd_params = (struct dpni_cmd_open *)cmd.params; + cmd_params->dpni_id = cpu_to_le32(dpni_id); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + *token = mc_cmd_hdr_read_token(&cmd); + + return 0; +} + +/** + * dpni_close() - Close the control session of the object + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * + * After this function is called, no further operations are + * allowed on the object without opening a new control session. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_close(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLOSE, + cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpni_set_pools() - Set buffer pools configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @cfg: Buffer pools configuration + * + * mandatory for DPNI operation + * warning:Allowed only when DPNI is disabled + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_set_pools(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + const struct dpni_pools_cfg *cfg) +{ + struct mc_command cmd = { 0 }; + struct dpni_cmd_set_pools *cmd_params; + int i; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_POOLS, + cmd_flags, + token); + cmd_params = (struct dpni_cmd_set_pools *)cmd.params; + cmd_params->num_dpbp = cfg->num_dpbp; + for (i = 0; i < DPNI_MAX_DPBP; i++) { + cmd_params->dpbp_id[i] = cpu_to_le32(cfg->pools[i].dpbp_id); + cmd_params->buffer_size[i] = + cpu_to_le16(cfg->pools[i].buffer_size); + cmd_params->backup_pool_mask |= + DPNI_BACKUP_POOL(cfg->pools[i].backup_pool, i); + } + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpni_enable() - Enable the DPNI, allow sending and receiving frames. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPNI_CMDID_ENABLE, + cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpni_disable() - Disable the DPNI, stop sending and receiving frames. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_disable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPNI_CMDID_DISABLE, + cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpni_is_enabled() - Check if the DPNI is enabled. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @en: Returns '1' if object is enabled; '0' otherwise + * |