From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shreyansh Jain Subject: [PATCH 07/38] bus/dpaa: add FMan hardware operations Date: Fri, 16 Jun 2017 11:10:37 +0530 Message-ID: <1497591668-3320-8-git-send-email-shreyansh.jain@nxp.com> References: <1497591668-3320-1-git-send-email-shreyansh.jain@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , To: Return-path: Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0052.outbound.protection.outlook.com [104.47.42.52]) by dpdk.org (Postfix) with ESMTP id DD4907CB5 for ; Fri, 16 Jun 2017 07:32:42 +0200 (CEST) In-Reply-To: <1497591668-3320-1-git-send-email-shreyansh.jain@nxp.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Geoff Thorpe Signed-off-by: Hemant Agrawal Signed-off-by: Shreyansh Jain --- drivers/bus/dpaa/Makefile | 1 + drivers/bus/dpaa/base/fman/fman_hw.c | 606 ++++++++++++++++++++++++++++++ drivers/bus/dpaa/include/fman.h | 2 + drivers/bus/dpaa/include/fsl_fman.h | 182 +++++++++ drivers/bus/dpaa/include/fsl_fman_crc64.h | 263 +++++++++++++ 5 files changed, 1054 insertions(+) create mode 100644 drivers/bus/dpaa/base/fman/fman_hw.c create mode 100644 drivers/bus/dpaa/include/fsl_fman.h create mode 100644 drivers/bus/dpaa/include/fsl_fman_crc64.h diff --git a/drivers/bus/dpaa/Makefile b/drivers/bus/dpaa/Makefile index 49abdc7..94849b8 100644 --- a/drivers/bus/dpaa/Makefile +++ b/drivers/bus/dpaa/Makefile @@ -66,6 +66,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_DPAA_BUS) += \ SRCS-$(CONFIG_RTE_LIBRTE_DPAA_BUS) += \ base/fman/fman.c \ + base/fman/fman_hw.c \ base/fman/of.c \ base/fman/netcfg_layer.c diff --git a/drivers/bus/dpaa/base/fman/fman_hw.c b/drivers/bus/dpaa/base/fman/fman_hw.c new file mode 100644 index 0000000..77908ec --- /dev/null +++ b/drivers/bus/dpaa/base/fman/fman_hw.c @@ -0,0 +1,606 @@ +/*- + * BSD LICENSE + * + * Copyright 2017 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. + * + * 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 +#include +#include +#include +/* This header declares things about Fman hardware itself (the format of status + * words and an inline implementation of CRC64). We include it only in order to + * instantiate the one global variable it depends on. + */ +#include +#include + +/* Instantiate the global variable that the inline CRC64 implementation (in + * ) depends on. + */ +DECLARE_FMAN_CRC64_TABLE(); + +#define ETH_ADDR_TO_UINT64(eth_addr) \ + (uint64_t)(((uint64_t)(eth_addr)[0] << 40) | \ + ((uint64_t)(eth_addr)[1] << 32) | \ + ((uint64_t)(eth_addr)[2] << 24) | \ + ((uint64_t)(eth_addr)[3] << 16) | \ + ((uint64_t)(eth_addr)[4] << 8) | \ + ((uint64_t)(eth_addr)[5])) + +void +fman_if_set_mcast_filter_table(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + void *hashtable_ctrl; + uint32_t i; + + hashtable_ctrl = &((struct memac_regs *)__if->ccsr_map)->hashtable_ctrl; + for (i = 0; i < 64; i++) + out_be32(hashtable_ctrl, i|HASH_CTRL_MCAST_EN); +} + +void +fman_if_reset_mcast_filter_table(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + void *hashtable_ctrl; + uint32_t i; + + hashtable_ctrl = &((struct memac_regs *)__if->ccsr_map)->hashtable_ctrl; + for (i = 0; i < 64; i++) + out_be32(hashtable_ctrl, i & ~HASH_CTRL_MCAST_EN); +} + +static +uint32_t get_mac_hash_code(uint64_t eth_addr) +{ + uint64_t mask1, mask2; + uint32_t xorVal = 0; + uint8_t i, j; + + for (i = 0; i < 6; i++) { + mask1 = eth_addr & (uint64_t)0x01; + eth_addr >>= 1; + + for (j = 0; j < 7; j++) { + mask2 = eth_addr & (uint64_t)0x01; + mask1 ^= mask2; + eth_addr >>= 1; + } + + xorVal |= (mask1 << (5 - i)); + } + + return xorVal; +} + +int +fman_memac_add_hash_mac_addr(struct fman_if *p, uint8_t *eth) +{ + uint64_t eth_addr; + void *hashtable_ctrl; + uint32_t hash; + + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + + eth_addr = ETH_ADDR_TO_UINT64(eth); + + if (!(eth_addr & GROUP_ADDRESS)) + return -1; + + hash = get_mac_hash_code(eth_addr) & HASH_CTRL_ADDR_MASK; + hash = hash | HASH_CTRL_MCAST_EN; + + hashtable_ctrl = &((struct memac_regs *)__if->ccsr_map)->hashtable_ctrl; + out_be32(hashtable_ctrl, hash); + + return 0; +} + +int +fman_memac_get_primary_mac_addr(struct fman_if *p, uint8_t *eth) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + void *mac_reg = + &((struct memac_regs *)__if->ccsr_map)->mac_addr0.mac_addr_l; + u32 val = in_be32(mac_reg); + + eth[0] = (val & 0x000000ff) >> 0; + eth[1] = (val & 0x0000ff00) >> 8; + eth[2] = (val & 0x00ff0000) >> 16; + eth[3] = (val & 0xff000000) >> 24; + + mac_reg = &((struct memac_regs *)__if->ccsr_map)->mac_addr0.mac_addr_u; + val = in_be32(mac_reg); + + eth[4] = (val & 0x000000ff) >> 0; + eth[5] = (val & 0x0000ff00) >> 8; + + return 0; +} + +static void +fman_memac_clear_mac_addr(struct fman_if *p, uint8_t addr_num) +{ + struct __fman_if *m = container_of(p, struct __fman_if, __if); + void *reg; + + if (addr_num) { + reg = &((struct memac_regs *)m->ccsr_map)-> + mac_addr[addr_num-1].mac_addr_l; + out_be32(reg, 0x0); + reg = &((struct memac_regs *)m->ccsr_map)-> + mac_addr[addr_num-1].mac_addr_u; + out_be32(reg, 0x0); + } else { + reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_l; + out_be32(reg, 0x0); + reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_u; + out_be32(reg, 0x0); + } +} + +static int +fman_memac_add_mac_addr(struct fman_if *p, uint8_t *eth, + uint8_t addr_num) +{ + struct __fman_if *m = container_of(p, struct __fman_if, __if); + + void *reg; + u32 val; + + memcpy(&m->__if.mac_addr, eth, ETHER_ADDR_LEN); + + if (addr_num) + reg = &((struct memac_regs *)m->ccsr_map)-> + mac_addr[addr_num-1].mac_addr_l; + else + reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_l; + + val = (m->__if.mac_addr.addr_bytes[0] | + (m->__if.mac_addr.addr_bytes[1] << 8) | + (m->__if.mac_addr.addr_bytes[2] << 16) | + (m->__if.mac_addr.addr_bytes[3] << 24)); + out_be32(reg, val); + + if (addr_num) + reg = &((struct memac_regs *)m->ccsr_map)-> + mac_addr[addr_num-1].mac_addr_u; + else + reg = &((struct memac_regs *)m->ccsr_map)->mac_addr0.mac_addr_u; + + val = ((m->__if.mac_addr.addr_bytes[4] << 0) | + (m->__if.mac_addr.addr_bytes[5] << 8)); + out_be32(reg, val); + + return 0; +} + + +static void +fman_memac_stats_get(struct fman_if *p, + struct rte_eth_stats *stats) +{ + struct __fman_if *m = container_of(p, struct __fman_if, __if); + struct memac_regs *regs = m->ccsr_map; + + /* read recved packet count */ + stats->ipackets = ((u64)in_be32(®s->rfrm_u)) << 32 | + in_be32(®s->rfrm_l); + stats->ibytes = ((u64)in_be32(®s->roct_u)) << 32 | + in_be32(®s->roct_l); + stats->ierrors = ((u64)in_be32(®s->rerr_u)) << 32 | + in_be32(®s->rerr_l); + + /* read xmited packet count */ + stats->opackets = ((u64)in_be32(®s->tfrm_u)) << 32 | + in_be32(®s->tfrm_l); + stats->obytes = ((u64)in_be32(®s->toct_u)) << 32 | + in_be32(®s->toct_l); + stats->oerrors = ((u64)in_be32(®s->terr_u)) << 32 | + in_be32(®s->terr_l); +} + +static void +fman_memac_reset_stat(struct fman_if *p) +{ + struct __fman_if *m = container_of(p, struct __fman_if, __if); + struct memac_regs *regs = m->ccsr_map; + uint32_t tmp; + + tmp = in_be32(®s->statn_config); + + tmp |= STATS_CFG_CLR; + + out_be32(®s->statn_config, tmp); + + while (in_be32(®s->statn_config) & STATS_CFG_CLR) + ; +} + +int +fm_mac_add_exact_match_mac_addr(struct fman_if *p, uint8_t *eth, + uint8_t addr_num) +{ + assert(fman_ccsr_map_fd != -1); + + return fman_memac_add_mac_addr(p, eth, addr_num); +} + +int +fm_mac_rem_exact_match_mac_addr(struct fman_if *p, int8_t addr_num) +{ + assert(fman_ccsr_map_fd != -1); + + fman_memac_clear_mac_addr(p, addr_num); + return 0; +} + +int +fm_mac_config(struct fman_if *p, uint8_t *eth) +{ + assert(fman_ccsr_map_fd != -1); + + return fman_memac_get_primary_mac_addr(p, eth); +} + +void +fm_mac_set_rx_ignore_pause_frames(struct fman_if *p, bool enable) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + u32 value = 0; + void *cmdcfg; + + assert(fman_ccsr_map_fd != -1); + + /* Set Rx Ignore Pause Frames */ + cmdcfg = &((struct memac_regs *)__if->ccsr_map)->command_config; + if (enable) + value = in_be32(cmdcfg) | CMD_CFG_PAUSE_IGNORE; + else + value = in_be32(cmdcfg) & ~CMD_CFG_PAUSE_IGNORE; + + out_be32(cmdcfg, value); +} + +void +fm_mac_config_loopback(struct fman_if *p, bool enable) +{ + if (enable) + /* Enable loopback mode */ + fman_if_loopback_enable(p); + else + /* Disable loopback mode */ + fman_if_loopback_disable(p); +} + +void +fm_mac_conf_max_frame_len(struct fman_if *p, + unsigned int max_frame_len) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + unsigned int *maxfrm; + + assert(fman_ccsr_map_fd != -1); + + /* Set Max frame length */ + maxfrm = &((struct memac_regs *)__if->ccsr_map)->maxfrm; + out_be32(maxfrm, (MAXFRM_RX_MASK & max_frame_len)); +} + +void +fman_if_stats_get(struct fman_if *p, struct rte_eth_stats *stats) +{ + fman_memac_stats_get(p, stats); +} + +void +fman_if_stats_reset(struct fman_if *p) +{ + fman_memac_reset_stat(p); +} + +void +fm_mac_set_promiscuous(struct fman_if *p) +{ + fman_if_promiscuous_enable(p); +} + +void +fman_if_promiscuous_enable(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + void *cmdcfg; + + assert(fman_ccsr_map_fd != -1); + + /* Enable Rx promiscuous mode */ + cmdcfg = &((struct memac_regs *)__if->ccsr_map)->command_config; + out_be32(cmdcfg, in_be32(cmdcfg) | CMD_CFG_PROMIS_EN); +} + +void +fman_if_promiscuous_disable(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + void *cmdcfg; + + assert(fman_ccsr_map_fd != -1); + + /* Disable Rx promiscuous mode */ + cmdcfg = &((struct memac_regs *)__if->ccsr_map)->command_config; + out_be32(cmdcfg, in_be32(cmdcfg) & (~CMD_CFG_PROMIS_EN)); +} + +void +fman_if_enable_rx(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + /* enable Rx and Tx */ + out_be32(__if->ccsr_map + 8, in_be32(__if->ccsr_map + 8) | 3); +} + +void +fman_if_disable_rx(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + /* only disable Rx, not Tx */ + out_be32(__if->ccsr_map + 8, in_be32(__if->ccsr_map + 8) & ~(u32)2); +} + +void +fman_if_loopback_enable(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + /* Enable loopback mode */ + if ((__if->__if.is_memac) && (__if->__if.is_rgmii)) { + unsigned int *ifmode = + &((struct memac_regs *)__if->ccsr_map)->if_mode; + out_be32(ifmode, in_be32(ifmode) | IF_MODE_RLP); + } else{ + unsigned int *cmdcfg = + &((struct memac_regs *)__if->ccsr_map)->command_config; + out_be32(cmdcfg, in_be32(cmdcfg) | CMD_CFG_LOOPBACK_EN); + } +} + +void +fman_if_loopback_disable(struct fman_if *p) +{ + struct __fman_if *__if = container_of(p, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + /* Disable loopback mode */ + if ((__if->__if.is_memac) && (__if->__if.is_rgmii)) { + unsigned int *ifmode = + &((struct memac_regs *)__if->ccsr_map)->if_mode; + out_be32(ifmode, in_be32(ifmode) & ~IF_MODE_RLP); + } else { + unsigned int *cmdcfg = + &((struct memac_regs *)__if->ccsr_map)->command_config; + out_be32(cmdcfg, in_be32(cmdcfg) & ~CMD_CFG_LOOPBACK_EN); + } +} + +void +fman_if_set_bp(struct fman_if *fm_if, unsigned num __always_unused, + int bpid, size_t bufsize) +{ + u32 fmbm_ebmpi; + u32 ebmpi_val_ace = 0xc0000000; + u32 ebmpi_mask = 0xffc00000; + + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + fmbm_ebmpi = + in_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ebmpi[0]); + fmbm_ebmpi = ebmpi_val_ace | (fmbm_ebmpi & ebmpi_mask) | (bpid << 16) | + (bufsize); + + out_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ebmpi[0], + fmbm_ebmpi); +} + +int +fman_if_get_fc_quanta(struct fman_if *fm_if) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + return in_be32(&((struct memac_regs *)__if->ccsr_map)->pause_quanta[0]); +} + +int +fman_if_set_fc_quanta(struct fman_if *fm_if, u16 pause_quanta) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + out_be32(&((struct memac_regs *)__if->ccsr_map)->pause_quanta[0], + pause_quanta); + return 0; +} + +int +fman_if_get_fdoff(struct fman_if *fm_if) +{ + u32 fmbm_ricp; + int fdoff; + int iceof_mask = 0x001f0000; + int icsz_mask = 0x0000001f; + + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + fmbm_ricp = + in_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ricp); + /*iceof + icsz*/ + fdoff = ((fmbm_ricp & iceof_mask) >> 16) * 16 + + (fmbm_ricp & icsz_mask) * 16; + + return fdoff; +} + +void +fman_if_set_err_fqid(struct fman_if *fm_if, uint32_t err_fqid) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + + assert(fman_ccsr_map_fd != -1); + + unsigned int *fmbm_refqid = + &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_refqid; + out_be32(fmbm_refqid, err_fqid); +} + +int +fman_if_get_ic_params(struct fman_if *fm_if, struct fman_if_ic_params *icp) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + int val = 0; + int iceof_mask = 0x001f0000; + int icsz_mask = 0x0000001f; + int iciof_mask = 0x00000f00; + + assert(fman_ccsr_map_fd != -1); + + unsigned int *fmbm_ricp = + &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ricp; + val = in_be32(fmbm_ricp); + + icp->iceof = (val & iceof_mask) >> 12; + icp->iciof = (val & iciof_mask) >> 4; + icp->icsz = (val & icsz_mask) << 4; + + return 0; +} + +int +fman_if_set_ic_params(struct fman_if *fm_if, + const struct fman_if_ic_params *icp) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + int val = 0; + int iceof_mask = 0x001f0000; + int icsz_mask = 0x0000001f; + int iciof_mask = 0x00000f00; + + assert(fman_ccsr_map_fd != -1); + + val |= (icp->iceof << 12) & iceof_mask; + val |= (icp->iciof << 4) & iciof_mask; + val |= (icp->icsz >> 4) & icsz_mask; + + unsigned int *fmbm_ricp = + &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ricp; + out_be32(fmbm_ricp, val); + + return 0; +} + +void +fman_if_set_fdoff(struct fman_if *fm_if, uint32_t fd_offset) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + unsigned int *fmbm_rebm; + + assert(fman_ccsr_map_fd != -1); + + fmbm_rebm = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rebm; + + out_be32(fmbm_rebm, in_be32(fmbm_rebm) | (fd_offset << 16)); +} + +void +fman_if_set_maxfrm(struct fman_if *fm_if, uint16_t max_frm) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + unsigned int *reg_maxfrm; + + assert(fman_ccsr_map_fd != -1); + + reg_maxfrm = &((struct memac_regs *)__if->ccsr_map)->maxfrm; + + out_be32(reg_maxfrm, (in_be32(reg_maxfrm) & 0xFFFF0000) | max_frm); +} + +uint16_t +fman_if_get_maxfrm(struct fman_if *fm_if) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + unsigned int *reg_maxfrm; + + assert(fman_ccsr_map_fd != -1); + + reg_maxfrm = &((struct memac_regs *)__if->ccsr_map)->maxfrm; + + return (in_be32(reg_maxfrm) | 0x0000FFFF); +} + +void +fman_if_set_dnia(struct fman_if *fm_if, uint32_t nia) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + unsigned int *fmqm_pndn; + + assert(fman_ccsr_map_fd != -1); + + fmqm_pndn = &((struct fman_port_qmi_regs *)__if->qmi_map)->fmqm_pndn; + + out_be32(fmqm_pndn, nia); +} + +void +fman_if_discard_rx_errors(struct fman_if *fm_if) +{ + struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if); + unsigned int *fmbm_rfsdm, *fmbm_rfsem; + + fmbm_rfsem = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rfsem; + out_be32(fmbm_rfsem, 0); + + /* Configure the discard mask to discard the error packets which have + * DMA errors, Frame size error, Header error etc. The mask 0x010CE3F0 + * is to configured discard all the errors which come in the FD[STATUS] + */ + fmbm_rfsdm = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rfsdm; + out_be32(fmbm_rfsdm, 0x010CE3F0); +} diff --git a/drivers/bus/dpaa/include/fman.h b/drivers/bus/dpaa/include/fman.h index 19105bb..aeb707b 100644 --- a/drivers/bus/dpaa/include/fman.h +++ b/drivers/bus/dpaa/include/fman.h @@ -406,6 +406,8 @@ struct __fman_if { */ extern const struct list_head *fman_if_list; +extern int fman_ccsr_map_fd; + /* To display MAC addresses (of type "struct ether_addr") via printf()-style * interfaces, these macros may come in handy. Eg; * struct fman_if *p = get_ptr_to_some_interface(); diff --git a/drivers/bus/dpaa/include/fsl_fman.h b/drivers/bus/dpaa/include/fsl_fman.h new file mode 100644 index 0000000..0aff22c --- /dev/null +++ b/drivers/bus/dpaa/include/fsl_fman.h @@ -0,0 +1,182 @@ +/*- + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * BSD LICENSE + * + * Copyright 2017 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. + * + * GPL LICENSE SUMMARY + * + * 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_FMAN_H +#define __FSL_FMAN_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Status field in FD is updated on Rx side by FMAN with following information. + * Refer to field description in FM BG. + */ +struct fm_status_t { + unsigned int reserved0:3; + unsigned int dcl4c:1; /* Don't Check L4 Checksum */ + unsigned int reserved1:1; + unsigned int ufd:1; /* Unsupported Format */ + unsigned int lge:1; /* Length Error */ + unsigned int dme:1; /* DMA Error */ + + unsigned int reserved2:4; + unsigned int fpe:1; /* Frame physical Error */ + unsigned int fse:1; /* Frame Size Error */ + unsigned int dis:1; /* Discard by Classification */ + unsigned int reserved3:1; + + unsigned int eof:1; /* Key Extraction goes out of frame */ + unsigned int nss:1; /* No Scheme selected */ + unsigned int kso:1; /* Key Size Overflow */ + unsigned int reserved4:1; + unsigned int fcl:2; /* Frame Color */ + unsigned int ipp:1; /* Illegal Policer Profile Selected */ + unsigned int flm:1; /* Frame Length Mismatch */ + unsigned int pte:1; /* Parser Timeout */ + unsigned int isp:1; /* Invalid Soft Parser Instruction */ + unsigned int phe:1; /* Header Error during parsing */ + unsigned int frdr:1; /* Frame Dropped by disabled port */ + unsigned int reserved5:4; +} __attribute__ ((__packed__)); + +/* Set promiscuous mode on an interface */ +void fm_mac_set_promiscuous(struct fman_if *p); + +/* Get mac config*/ +int fm_mac_config(struct fman_if *p, uint8_t *eth); + +/* Set MAC address for a particular interface */ +int fm_mac_add_exact_match_mac_addr(struct fman_if *p, uint8_t *eth, + uint8_t addr_num); + +/* Remove a MAC address for a particular interface */ +int fm_mac_rem_exact_match_mac_addr(struct fman_if *p, int8_t addr_num); + +/* Get the FMAN statistics */ +void fman_if_stats_get(struct fman_if *p, struct rte_eth_stats *stats); + +/* Reset the FMAN statistics */ +void fman_if_stats_reset(struct fman_if *p); + +/* Set ignore pause option for a specific interface */ +void fm_mac_set_rx_ignore_pause_frames(struct fman_if *p, bool enable); + +/* Enable Loopback mode */ +void fm_mac_config_loopback(struct fman_if *p, bool enable); + +/* Set max frame length */ +void fm_mac_conf_max_frame_len(struct fman_if *p, + unsigned int max_frame_len); + +/* Enable/disable Rx promiscuous mode on specified interface */ +void fman_if_promiscuous_enable(struct fman_if *); +void fman_if_promiscuous_disable(struct fman_if *); + +/* Enable/disable Rx on specific interfaces */ +void fman_if_enable_rx(struct fman_if *); +void fman_if_disable_rx(struct fman_if *); + +/* Enable/disable loopback on specific interfaces */ +void fman_if_loopback_enable(struct fman_if *); +void fman_if_loopback_disable(struct fman_if *); + +/* Set buffer pool on specific interface */ +void fman_if_set_bp(struct fman_if *fm_if, unsigned int num, int bpid, + size_t bufsize); + +/* Get Flow Control pause quanta on specific interface */ +int fman_if_get_fc_quanta(struct fman_if *fm_if); + +/* Set Flow Control pause quanta on specific interface */ +int fman_if_set_fc_quanta(struct fman_if *fm_if, u16 pause_quanta); + +/* Set default error fqid on specific interface */ +void fman_if_set_err_fqid(struct fman_if *fm_if, uint32_t err_fqid); + +/* Get IC transfer params */ +int fman_if_get_ic_params(struct fman_if *fm_if, struct fman_if_ic_params *icp); + +/* Set IC transfer params */ +int fman_if_set_ic_params(struct fman_if *fm_if, + const struct fman_if_ic_params *icp); + +/* Get interface fd->offset value */ +int fman_if_get_fdoff(struct fman_if *fm_if); + +/* Set interface fd->offset value */ +void fman_if_set_fdoff(struct fman_if *fm_if, uint32_t fd_offset); + +/* Get interface Max Frame length (MTU) */ +uint16_t fman_if_get_maxfrm(struct fman_if *fm_if); + +/* Set interface Max Frame length (MTU) */ +void fman_if_set_maxfrm(struct fman_if *fm_if, uint16_t max_frm); + +/* Set interface next invoked action for dequeue operation */ +void fman_if_set_dnia(struct fman_if *fm_if, uint32_t nia); + +/* discard error packets on rx */ +void fman_if_discard_rx_errors(struct fman_if *fm_if); + +void fman_if_set_mcast_filter_table(struct fman_if *p); + +void fman_if_reset_mcast_filter_table(struct fman_if *p); + +int fman_memac_add_hash_mac_addr(struct fman_if *p, uint8_t *eth); + +int fman_memac_get_primary_mac_addr(struct fman_if *p, uint8_t *eth); + + +/* Enable/disable Rx on all interfaces */ +static inline void fman_if_enable_all_rx(void) +{ + struct fman_if *__if; + + list_for_each_entry(__if, fman_if_list, node) + fman_if_enable_rx(__if); +} + +static inline void fman_if_disable_all_rx(void) +{ + struct fman_if *__if; + + list_for_each_entry(__if, fman_if_list, node) + fman_if_disable_rx(__if); +} +#endif /* __FSL_FMAN_H */ diff --git a/drivers/bus/dpaa/include/fsl_fman_crc64.h b/drivers/bus/dpaa/include/fsl_fman_crc64.h new file mode 100644 index 0000000..af5803f --- /dev/null +++ b/drivers/bus/dpaa/include/fsl_fman_crc64.h @@ -0,0 +1,263 @@ +/*- + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * BSD LICENSE + * + * Copyright 2011 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. + * + * GPL LICENSE SUMMARY + * + * 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_FMAN_CRC64_H +#define __FSL_FMAN_CRC64_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This following definitions provide a software implementation of the CRC64 + * algorithm implemented within Fman. + * + * The following example shows how to compute a CRC64 hash value based on + * SRC_IP, DST_IP and ESP_SPI values + * + * #define compute_hash(saddr,daddr,spi) \ + * do { \ + * uint64_t result; \ + * result = fman_crc64_init(); \ + * result = fman_crc64_compute_32bit(saddr, result); \ + * result = fman_crc64_compute_32bit(daddr, result); \ + * result = fman_crc64_compute_32bit(spi, result); \ + * return (uint32_t) result & RC_HASH_MASK; \ + * } while (0); + * + * If hashing over a different number of fields (or of different types) is + * required, this can be implemented using the following primitives. + */ + +/* The following table provides the constants used by the Fman CRC64 + * implementation. The table is instantiated within the DPAA fman driver. + * However if the application is not going to be linked against the DPAA fman + * driver but will use this Fman CRC64 implementation, then it will need to + * instantiate this table by using the DECLARE_FMAN_CRC64_TABLE() macro. + */ +struct fman_crc64_t { + uint64_t initial; + uint64_t table[1 << 8]; +}; +extern struct fman_crc64_t FMAN_CRC64_ECMA_182; +#define DECLARE_FMAN_CRC64_TABLE() \ +struct fman_crc64_t FMAN_CRC64_ECMA_182 = { \ + 0xFFFFFFFFFFFFFFFFULL, \ + { \ + 0x0000000000000000ULL, 0xb32e4cbe03a75f6fULL, \ + 0xf4843657a840a05bULL, 0x47aa7ae9abe7ff34ULL, \ + 0x7bd0c384ff8f5e33ULL, 0xc8fe8f3afc28015cULL, \ + 0x8f54f5d357cffe68ULL, 0x3c7ab96d5468a107ULL, \ + 0xf7a18709ff1ebc66ULL, 0x448fcbb7fcb9e309ULL, \ + 0x0325b15e575e1c3dULL, 0xb00bfde054f94352ULL, \ + 0x8c71448d0091e255ULL, 0x3f5f08330336bd3aULL, \ + 0x78f572daa8d1420eULL, 0xcbdb3e64ab761d61ULL, \ + 0x7d9ba13851336649ULL, 0xceb5ed8652943926ULL, \ + 0x891f976ff973c612ULL, 0x3a31dbd1fad4997dULL, \ + 0x064b62bcaebc387aULL, 0xb5652e02ad1b6715ULL, \ + 0xf2cf54eb06fc9821ULL, 0x41e11855055bc74eULL, \ + 0x8a3a2631ae2dda2fULL, 0x39146a8fad8a8540ULL, \ + 0x7ebe1066066d7a74ULL, 0xcd905cd805ca251bULL, \ + 0xf1eae5b551a2841cULL, 0x42c4a90b5205db73ULL, \ + 0x056ed3e2f9e22447ULL, 0xb6409f5cfa457b28ULL, \ + 0xfb374270a266cc92ULL, 0x48190ecea1c193fdULL, \ + 0x0fb374270a266cc9ULL, 0xbc9d3899098133a6ULL, \ + 0x80e781f45de992a1ULL, 0x33c9cd4a5e4ecdceULL, \ + 0x7463b7a3f5a932faULL, 0xc74dfb1df60e6d95ULL, \ + 0x0c96c5795d7870f4ULL, 0xbfb889c75edf2f9bULL, \ + 0xf812f32ef538d0afULL, 0x4b3cbf90f69f8fc0ULL, \ + 0x774606fda2f72ec7ULL, 0xc4684a43a15071a8ULL, \ + 0x83c230aa0ab78e9cULL, 0x30ec7c140910d1f3ULL, \ + 0x86ace348f355aadbULL, 0x3582aff6f0f2f5b4ULL, \ + 0x7228d51f5b150a80ULL, 0xc10699a158b255efULL, \ + 0xfd7c20cc0cdaf4e8ULL, 0x4e526c720f7dab87ULL, \ + 0x09f8169ba49a54b3ULL, 0xbad65a25a73d0bdcULL, \ + 0x710d64410c4b16bdULL, 0xc22328ff0fec49d2ULL, \ + 0x85895216a40bb6e6ULL, 0x36a71ea8a7ace989ULL, \ + 0x0adda7c5f3c4488eULL, 0xb9f3eb7bf06317e1ULL, \ + 0xfe5991925b84e8d5ULL, 0x4d77dd2c5823b7baULL, \ + 0x64b62bcaebc387a1ULL, 0xd7986774e864d8ceULL, \ + 0x90321d9d438327faULL, 0x231c512340247895ULL, \ + 0x1f66e84e144cd992ULL, 0xac48a4f017eb86fdULL, \ + 0xebe2de19bc0c79c9ULL, 0x58cc92a7bfab26a6ULL, \ + 0x9317acc314dd3bc7ULL, 0x2039e07d177a64a8ULL, \ + 0x67939a94bc9d9b9cULL, 0xd4bdd62abf3ac4f3ULL, \ + 0xe8c76f47eb5265f4ULL, 0x5be923f9e8f53a9bULL, \ + 0x1c4359104312c5afULL, 0xaf6d15ae40b59ac0ULL, \ + 0x192d8af2baf0e1e8ULL, 0xaa03c64cb957be87ULL, \ + 0xeda9bca512b041b3ULL, 0x5e87f01b11171edcULL, \ + 0x62fd4976457fbfdbULL, 0xd1d305c846d8e0b4ULL, \ + 0x96797f21ed3f1f80ULL, 0x2557339fee9840efULL, \ + 0xee8c0dfb45ee5d8eULL, 0x5da24145464902e1ULL, \ + 0x1a083bacedaefdd5ULL, 0xa9267712ee09a2baULL, \ + 0x955cce7fba6103bdULL, 0x267282c1b9c65cd2ULL, \ + 0x61d8f8281221a3e6ULL, 0xd2f6b4961186fc89ULL, \ + 0x9f8169ba49a54b33ULL, 0x2caf25044a02145cULL, \ + 0x6b055fede1e5eb68ULL, 0xd82b1353e242b407ULL, \ + 0xe451aa3eb62a1500ULL, 0x577fe680b58d4a6fULL, \ + 0x10d59c691e6ab55bULL, 0xa3fbd0d71dcdea34ULL, \ + 0x6820eeb3b6bbf755ULL, 0xdb0ea20db51ca83aULL, \ + 0x9ca4d8e41efb570eULL, 0x2f8a945a1d5c0861ULL, \ + 0x13f02d374934a966ULL, 0xa0de61894a93f609ULL, \ + 0xe7741b60e174093dULL, 0x545a57dee2d35652ULL, \ + 0xe21ac88218962d7aULL, 0x5134843c1b317215ULL, \ + 0x169efed5b0d68d21ULL, 0xa5b0b26bb371d24eULL, \ + 0x99ca0b06e7197349ULL, 0x2ae447b8e4be2c26ULL, \ + 0x6d4e3d514f59d312ULL, 0xde6071ef4cfe8c7dULL, \ + 0x15bb4f8be788911cULL, 0xa6950335e42fce73ULL, \ + 0xe13f79dc4fc83147ULL, 0x521135624c6f6e28ULL, \ + 0x6e6b8c0f1807cf2fULL, 0xdd45c0b11ba09040ULL, \ + 0x9aefba58b0476f74ULL, 0x29c1f6e6b3e0301bULL, \ + 0xc96c5795d7870f42ULL, 0x7a421b2bd420502dULL, \ + 0x3de861c27fc7af19ULL, 0x8ec62d7c7c60f076ULL, \ + 0xb2bc941128085171ULL, 0x0192d8af2baf0e1eULL, \ + 0x4638a2468048f12aULL, 0xf516eef883efae45ULL, \ + 0x3ecdd09c2899b324ULL, 0x8de39c222b3eec4bULL, \ + 0xca49e6cb80d9137fULL, 0x7967aa75837e4c10ULL, \ + 0x451d1318d716ed17ULL, 0xf6335fa6d4b1b278ULL, \ + 0xb199254f7f564d4cULL, 0x02b769f17cf11223ULL, \ + 0xb4f7f6ad86b4690bULL, 0x07d9ba1385133664ULL, \ + 0x4073c0fa2ef4c950ULL, 0xf35d8c442d53963fULL, \ + 0xcf273529793b3738ULL, 0x7c0979977a9c6857ULL, \ + 0x3ba3037ed17b9763ULL, 0x888d4fc0d2dcc80cULL, \ + 0x435671a479aad56dULL, 0xf0783d1a7a0d8a02ULL, \ + 0xb7d247f3d1ea7536ULL, 0x04fc0b4dd24d2a59ULL, \ + 0x3886b22086258b5eULL, 0x8ba8fe9e8582d431ULL, \ + 0xcc0284772e652b05ULL, 0x7f2cc8c92dc2746aULL, \ + 0x325b15e575e1c3d0ULL, 0x8175595b76469cbfULL, \ + 0xc6df23b2dda1638bULL, 0x75f16f0cde063ce4ULL, \ + 0x498bd6618a6e9de3ULL, 0xfaa59adf89c9c28cULL, \ + 0xbd0fe036222e3db8ULL, 0x0e21ac88218962d7ULL, \ + 0xc5fa92ec8aff7fb6ULL, 0x76d4de52895820d9ULL, \ + 0x317ea4bb22bfdfedULL, 0x8250e80521188082ULL, \ + 0xbe2a516875702185ULL, 0x0d041dd676d77eeaULL, \ + 0x4aae673fdd3081deULL, 0xf9802b81de97deb1ULL, \ + 0x4fc0b4dd24d2a599ULL, 0xfceef8632775faf6ULL, \ + 0xbb44828a8c9205c2ULL, 0x086ace348f355aadULL, \ + 0x34107759db5dfbaaULL, 0x873e3be7d8faa4c5ULL, \ + 0xc094410e731d5bf1ULL, 0x73ba0db070ba049eULL, \ + 0xb86133d4dbcc19ffULL, 0x0b4f7f6ad86b4690ULL, \ + 0x4ce50583738cb9a4ULL, 0xffcb493d702be6cbULL, \ + 0xc3b1f050244347ccULL, 0x709fbcee27e418a3ULL, \ + 0x3735c6078c03e797ULL, 0x841b8ab98fa4b8f8ULL, \ + 0xadda7c5f3c4488e3ULL, 0x1ef430e13fe3d78cULL, \ + 0x595e4a08940428b8ULL, 0xea7006b697a377d7ULL, \ + 0xd60abfdbc3cbd6d0ULL, 0x6524f365c06c89bfULL, \ + 0x228e898c6b8b768bULL, 0x91a0c532682c29e4ULL, \ + 0x5a7bfb56c35a3485ULL, 0xe955b7e8c0fd6beaULL, \ + 0xaeffcd016b1a94deULL, 0x1dd181bf68bdcbb1ULL, \ + 0x21ab38d23cd56ab6ULL, 0x9285746c3f7235d9ULL, \ + 0xd52f0e859495caedULL, 0x6601423b97329582ULL, \ + 0xd041dd676d77eeaaULL, 0x636f91d96ed0b1c5ULL, \ + 0x24c5eb30c5374ef1ULL, 0x97eba78ec690119eULL, \ + 0xab911ee392f8b099ULL, 0x18bf525d915feff6ULL, \ + 0x5f1528b43ab810c2ULL, 0xec3b640a391f4fadULL, \ + 0x27e05a6e926952ccULL, 0x94ce16d091ce0da3ULL, \ + 0xd3646c393a29f297ULL, 0x604a2087398eadf8ULL, \ + 0x5c3099ea6de60cffULL, 0xef1ed5546e415390ULL, \ + 0xa8b4afbdc5a6aca4ULL, 0x1b9ae303c601f3cbULL, \ + 0x56ed3e2f9e224471ULL, 0xe5c372919d851b1eULL, \ + 0xa26908783662e42aULL, 0x114744c635c5bb45ULL, \ + 0x2d3dfdab61ad1a42ULL, 0x9e13b115620a452dULL, \ + 0xd9b9cbfcc9edba19ULL, 0x6a978742ca4ae576ULL, \ + 0xa14cb926613cf817ULL, 0x1262f598629ba778ULL, \ + 0x55c88f71c97c584cULL, 0xe6e6c3cfcadb0723ULL, \ + 0xda9c7aa29eb3a624ULL, 0x69b2361c9d14f94bULL, \ + 0x2e184cf536f3067fULL, 0x9d36004b35545910ULL, \ + 0x2b769f17cf112238ULL, 0x9858d3a9ccb67d57ULL, \ + 0xdff2a94067518263ULL, 0x6cdce5fe64f6dd0cULL, \ + 0x50a65c93309e7c0bULL, 0xe388102d33392364ULL, \ + 0xa4226ac498dedc50ULL, 0x170c267a9b79833fULL, \ + 0xdcd7181e300f9e5eULL, 0x6ff954a033a8c131ULL, \ + 0x28532e49984f3e05ULL, 0x9b7d62f79be8616aULL, \ + 0xa707db9acf80c06dULL, 0x14299724cc279f02ULL, \ + 0x5383edcd67c06036ULL, 0xe0ada17364673f59ULL} \ +} + +/* + * Return the initial CRC seed. Use the value returned from this API as the + * "crc" parameter to the first call to add data. + */ +static inline uint64_t fman_crc64_init(void) +{ + return FMAN_CRC64_ECMA_182.initial; +} + +/* Updates the CRC with arbitrary data */ +static inline uint64_t fman_crc64_update(uint64_t crc, + void *data, unsigned int len) +{ + uint8_t *p = data; + while (len--) + crc = FMAN_CRC64_ECMA_182.table[(crc ^ *(p++)) & 0xff] ^ + (crc >> 8); + return crc; +} + +/* Shorthands for updating the CRC with 8/16/32 bits of data. + * IMPORTANT NOTE: the typed "data" arguments should not be mistaken for + * host-endian numerical values, the assumption is that these values contain + * big-endian (ie. network byte order) data. + */ +static inline uint64_t fman_crc64_compute_32bit(uint32_t data, uint64_t crc) +{ + return fman_crc64_update(crc, &data, sizeof(data)); +} +static inline uint64_t fman_crc64_compute_16bit(uint16_t data, uint64_t crc) +{ + return fman_crc64_update(crc, &data, sizeof(data)); +} +static inline uint64_t fman_crc64_compute_8bit(uint8_t data, uint64_t crc) +{ + return fman_crc64_update(crc, &data, sizeof(data)); +} + +/* + * Finalise the CRC (using 2's complement) + */ +static inline uint64_t fman_crc64_finish(uint64_t seed) +{ + return ~seed; +} + +#ifdef __cplusplus +} +#endif + +#endif /* __FSL_FMAN_CRC64_H */ -- 2.7.4