diff options
Diffstat (limited to 'drivers/bus/dpaa/base/fman/netcfg_layer.c')
| -rw-r--r-- | drivers/bus/dpaa/base/fman/netcfg_layer.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/drivers/bus/dpaa/base/fman/netcfg_layer.c b/drivers/bus/dpaa/base/fman/netcfg_layer.c new file mode 100644 index 00000000..26cff84a --- /dev/null +++ b/drivers/bus/dpaa/base/fman/netcfg_layer.c @@ -0,0 +1,214 @@ +/*- + * 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 2010-2016 Freescale Semiconductor Inc. + * 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. + */ +#include <inttypes.h> +#include <of.h> +#include <net/if.h> +#include <sys/ioctl.h> +#include <error.h> +#include <net/if_arp.h> +#include <assert.h> +#include <unistd.h> + +#include <rte_malloc.h> + +#include <rte_dpaa_logs.h> +#include <netcfg.h> + +/* Structure contains information about all the interfaces given by user + * on command line. + */ +struct netcfg_interface *netcfg_interface; + +/* This data structure contaings all configurations information + * related to usages of DPA devices. + */ +struct netcfg_info *netcfg; +/* fd to open a socket for making ioctl request to disable/enable shared + * interfaces. + */ +static int skfd = -1; + +#ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER +void +dump_netcfg(struct netcfg_info *cfg_ptr) +{ + int i; + + printf(".......... DPAA Configuration ..........\n\n"); + + /* Network interfaces */ + printf("Network interfaces: %d\n", cfg_ptr->num_ethports); + for (i = 0; i < cfg_ptr->num_ethports; i++) { + struct fman_if_bpool *bpool; + struct fm_eth_port_cfg *p_cfg = &cfg_ptr->port_cfg[i]; + struct fman_if *__if = p_cfg->fman_if; + + printf("\n+ Fman %d, MAC %d (%s);\n", + __if->fman_idx, __if->mac_idx, + (__if->mac_type == fman_mac_1g) ? "1G" : "10G"); + + printf("\tmac_addr: %02x:%02x:%02x:%02x:%02x:%02x\n", + (&__if->mac_addr)->addr_bytes[0], + (&__if->mac_addr)->addr_bytes[1], + (&__if->mac_addr)->addr_bytes[2], + (&__if->mac_addr)->addr_bytes[3], + (&__if->mac_addr)->addr_bytes[4], + (&__if->mac_addr)->addr_bytes[5]); + + printf("\ttx_channel_id: 0x%02x\n", + __if->tx_channel_id); + + printf("\tfqid_rx_def: 0x%x\n", p_cfg->rx_def); + printf("\tfqid_rx_err: 0x%x\n", __if->fqid_rx_err); + + printf("\tfqid_tx_err: 0x%x\n", __if->fqid_tx_err); + printf("\tfqid_tx_confirm: 0x%x\n", __if->fqid_tx_confirm); + fman_if_for_each_bpool(bpool, __if) + printf("\tbuffer pool: (bpid=%d, count=%"PRId64 + " size=%"PRId64", addr=0x%"PRIx64")\n", + bpool->bpid, bpool->count, bpool->size, + bpool->addr); + } +} +#endif /* RTE_LIBRTE_DPAA_DEBUG_DRIVER */ + +static inline int +get_num_netcfg_interfaces(char *str) +{ + char *pch; + uint8_t count = 0; + + if (str == NULL) + return -EINVAL; + pch = strtok(str, ","); + while (pch != NULL) { + count++; + pch = strtok(NULL, ","); + } + return count; +} + +struct netcfg_info * +netcfg_acquire(void) +{ + struct fman_if *__if; + int _errno, idx = 0; + uint8_t num_ports = 0; + uint8_t num_cfg_ports = 0; + size_t size; + + /* Extract dpa configuration from fman driver and FMC configuration + * for command-line interfaces. + */ + + /* Open a basic socket to enable/disable shared + * interfaces. + */ + skfd = socket(AF_PACKET, SOCK_RAW, 0); + if (unlikely(skfd < 0)) { + error(0, errno, "%s(): open(SOCK_RAW)", __func__); + return NULL; + } + + /* Initialise the Fman driver */ + _errno = fman_init(); + if (_errno) { + DPAA_BUS_LOG(ERR, "FMAN driver init failed (%d)", errno); + close(skfd); + skfd = -1; + return NULL; + } + + /* Number of MAC ports */ + list_for_each_entry(__if, fman_if_list, node) + num_ports++; + + if (!num_ports) { + DPAA_BUS_LOG(ERR, "FMAN ports not available"); + return NULL; + } + /* Allocate space for all enabled mac ports */ + size = sizeof(*netcfg) + + (num_ports * sizeof(struct fm_eth_port_cfg)); + + netcfg = calloc(1, size); + if (unlikely(netcfg == NULL)) { + DPAA_BUS_LOG(ERR, "Unable to allocat mem for netcfg"); + goto error; + } + + netcfg->num_ethports = num_ports; + + list_for_each_entry(__if, fman_if_list, node) { + struct fm_eth_port_cfg *cfg = &netcfg->port_cfg[idx]; + /* Hook in the fman driver interface */ + cfg->fman_if = __if; + cfg->rx_def = __if->fqid_rx_def; + num_cfg_ports++; + idx++; + } + + if (!num_cfg_ports) { + DPAA_BUS_LOG(ERR, "No FMAN ports found"); + goto error; + } else if (num_ports != num_cfg_ports) + netcfg->num_ethports = num_cfg_ports; + + return netcfg; + +error: + if (netcfg) { + free(netcfg); + netcfg = NULL; + } + + return NULL; +} + +void +netcfg_release(struct netcfg_info *cfg_ptr) +{ + free(cfg_ptr); + /* Close socket for shared interfaces */ + if (skfd >= 0) { + close(skfd); + skfd = -1; + } +} |