1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * 3 * Copyright 2010-2016 Freescale Semiconductor Inc. 4 * Copyright 2017-2019,2023 NXP 5 * 6 */ 7 #include <inttypes.h> 8 #include <dpaa_of.h> 9 #include <net/if.h> 10 #include <sys/ioctl.h> 11 #include <err.h> 12 #include <net/if_arp.h> 13 #include <assert.h> 14 #include <unistd.h> 15 16 #include <rte_malloc.h> 17 18 #include <rte_dpaa_logs.h> 19 #include <netcfg.h> 20 21 /* This data structure contaings all configurations information 22 * related to usages of DPA devices. 23 */ 24 static struct netcfg_info *netcfg; 25 /* fd to open a socket for making ioctl request to disable/enable shared 26 * interfaces. 27 */ 28 static int skfd = -1; 29 30 #ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER 31 void 32 dump_netcfg(struct netcfg_info *cfg_ptr, FILE *f) 33 { 34 int i; 35 36 fprintf(f, ".......... DPAA Configuration ..........\n\n"); 37 38 /* Network interfaces */ 39 fprintf(f, "Network interfaces: %d\n", cfg_ptr->num_ethports); 40 for (i = 0; i < cfg_ptr->num_ethports; i++) { 41 struct fman_if_bpool *bpool; 42 struct fm_eth_port_cfg *p_cfg = &cfg_ptr->port_cfg[i]; 43 struct fman_if *__if = p_cfg->fman_if; 44 45 fprintf(f, "\n+ Fman %d, MAC %d (%s);\n", 46 __if->fman_idx, __if->mac_idx, 47 (__if->mac_type == fman_offline_internal) ? "OFFLINE" : 48 (__if->mac_type == fman_mac_1g) ? "1G" : 49 (__if->mac_type == fman_mac_2_5g) ? "2.5G" : "10G"); 50 51 fprintf(f, "\tmac_addr: " RTE_ETHER_ADDR_PRT_FMT "\n", 52 RTE_ETHER_ADDR_BYTES(&__if->mac_addr)); 53 54 fprintf(f, "\ttx_channel_id: 0x%02x\n", 55 __if->tx_channel_id); 56 57 fprintf(f, "\tfqid_rx_def: 0x%x\n", p_cfg->rx_def); 58 fprintf(f, "\tfqid_rx_err: 0x%x\n", __if->fqid_rx_err); 59 60 if (__if->mac_type != fman_offline_internal) { 61 fprintf(f, "\tfqid_tx_err: 0x%x\n", __if->fqid_tx_err); 62 fprintf(f, "\tfqid_tx_confirm: 0x%x\n", __if->fqid_tx_confirm); 63 fman_if_for_each_bpool(bpool, __if) 64 fprintf(f, "\tbuffer pool: (bpid=%d, count=%"PRId64 65 " size=%"PRId64", addr=0x%"PRIx64")\n", 66 bpool->bpid, bpool->count, bpool->size, 67 bpool->addr); 68 } 69 } 70 } 71 #endif /* RTE_LIBRTE_DPAA_DEBUG_DRIVER */ 72 73 struct netcfg_info * 74 netcfg_acquire(void) 75 { 76 struct fman_if *__if; 77 int _errno, idx = 0; 78 uint8_t num_ports = 0; 79 uint8_t num_cfg_ports = 0; 80 size_t size; 81 82 /* Extract dpa configuration from fman driver and FMC configuration 83 * for command-line interfaces. 84 */ 85 86 /* Open a basic socket to enable/disable shared 87 * interfaces. 88 */ 89 skfd = socket(AF_PACKET, SOCK_RAW, 0); 90 if (unlikely(skfd < 0)) { 91 err(0, "%s(): open(SOCK_RAW)", __func__); 92 return NULL; 93 } 94 95 /* Initialise the Fman driver */ 96 _errno = fman_init(); 97 if (_errno) { 98 DPAA_BUS_LOG(ERR, "FMAN driver init failed (%d)", errno); 99 close(skfd); 100 skfd = -1; 101 return NULL; 102 } 103 104 /* Number of MAC ports */ 105 list_for_each_entry(__if, fman_if_list, node) 106 num_ports++; 107 108 if (!num_ports) { 109 DPAA_BUS_LOG(ERR, "FMAN ports not available"); 110 return NULL; 111 } 112 /* Allocate space for all enabled mac ports */ 113 size = sizeof(*netcfg) + 114 (num_ports * sizeof(struct fm_eth_port_cfg)); 115 116 netcfg = rte_calloc(NULL, 1, size, 0); 117 if (unlikely(netcfg == NULL)) { 118 DPAA_BUS_LOG(ERR, "Unable to allocat mem for netcfg"); 119 goto error; 120 } 121 122 netcfg->num_ethports = num_ports; 123 124 list_for_each_entry(__if, fman_if_list, node) { 125 struct fm_eth_port_cfg *cfg = &netcfg->port_cfg[idx]; 126 /* Hook in the fman driver interface */ 127 cfg->fman_if = __if; 128 cfg->rx_def = __if->fqid_rx_def; 129 num_cfg_ports++; 130 idx++; 131 } 132 133 if (!num_cfg_ports) { 134 DPAA_BUS_LOG(ERR, "No FMAN ports found"); 135 goto error; 136 } else if (num_ports != num_cfg_ports) 137 netcfg->num_ethports = num_cfg_ports; 138 139 return netcfg; 140 141 error: 142 if (netcfg) { 143 rte_free(netcfg); 144 netcfg = NULL; 145 } 146 147 return NULL; 148 } 149 150 void 151 netcfg_release(struct netcfg_info *cfg_ptr) 152 { 153 rte_free(cfg_ptr); 154 /* Close socket for shared interfaces */ 155 if (skfd >= 0) { 156 close(skfd); 157 skfd = -1; 158 } 159 } 160