1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * 3 * Copyright 2010-2016 Freescale Semiconductor Inc. 4 * Copyright 2017 NXP 5 * 6 */ 7 #include <inttypes.h> 8 #include <of.h> 9 #include <net/if.h> 10 #include <sys/ioctl.h> 11 #include <error.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) 33 { 34 int i; 35 36 printf(".......... DPAA Configuration ..........\n\n"); 37 38 /* Network interfaces */ 39 printf("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 printf("\n+ Fman %d, MAC %d (%s);\n", 46 __if->fman_idx, __if->mac_idx, 47 (__if->mac_type == fman_mac_1g) ? "1G" : "10G"); 48 49 printf("\tmac_addr: %02x:%02x:%02x:%02x:%02x:%02x\n", 50 (&__if->mac_addr)->addr_bytes[0], 51 (&__if->mac_addr)->addr_bytes[1], 52 (&__if->mac_addr)->addr_bytes[2], 53 (&__if->mac_addr)->addr_bytes[3], 54 (&__if->mac_addr)->addr_bytes[4], 55 (&__if->mac_addr)->addr_bytes[5]); 56 57 printf("\ttx_channel_id: 0x%02x\n", 58 __if->tx_channel_id); 59 60 printf("\tfqid_rx_def: 0x%x\n", p_cfg->rx_def); 61 printf("\tfqid_rx_err: 0x%x\n", __if->fqid_rx_err); 62 63 printf("\tfqid_tx_err: 0x%x\n", __if->fqid_tx_err); 64 printf("\tfqid_tx_confirm: 0x%x\n", __if->fqid_tx_confirm); 65 fman_if_for_each_bpool(bpool, __if) 66 printf("\tbuffer pool: (bpid=%d, count=%"PRId64 67 " size=%"PRId64", addr=0x%"PRIx64")\n", 68 bpool->bpid, bpool->count, bpool->size, 69 bpool->addr); 70 } 71 } 72 #endif /* RTE_LIBRTE_DPAA_DEBUG_DRIVER */ 73 74 struct netcfg_info * 75 netcfg_acquire(void) 76 { 77 struct fman_if *__if; 78 int _errno, idx = 0; 79 uint8_t num_ports = 0; 80 uint8_t num_cfg_ports = 0; 81 size_t size; 82 83 /* Extract dpa configuration from fman driver and FMC configuration 84 * for command-line interfaces. 85 */ 86 87 /* Open a basic socket to enable/disable shared 88 * interfaces. 89 */ 90 skfd = socket(AF_PACKET, SOCK_RAW, 0); 91 if (unlikely(skfd < 0)) { 92 error(0, errno, "%s(): open(SOCK_RAW)", __func__); 93 return NULL; 94 } 95 96 /* Initialise the Fman driver */ 97 _errno = fman_init(); 98 if (_errno) { 99 DPAA_BUS_LOG(ERR, "FMAN driver init failed (%d)", errno); 100 close(skfd); 101 skfd = -1; 102 return NULL; 103 } 104 105 /* Number of MAC ports */ 106 list_for_each_entry(__if, fman_if_list, node) 107 num_ports++; 108 109 if (!num_ports) { 110 DPAA_BUS_LOG(ERR, "FMAN ports not available"); 111 return NULL; 112 } 113 /* Allocate space for all enabled mac ports */ 114 size = sizeof(*netcfg) + 115 (num_ports * sizeof(struct fm_eth_port_cfg)); 116 117 netcfg = rte_calloc(NULL, 1, size, 0); 118 if (unlikely(netcfg == NULL)) { 119 DPAA_BUS_LOG(ERR, "Unable to allocat mem for netcfg"); 120 goto error; 121 } 122 123 netcfg->num_ethports = num_ports; 124 125 list_for_each_entry(__if, fman_if_list, node) { 126 struct fm_eth_port_cfg *cfg = &netcfg->port_cfg[idx]; 127 /* Hook in the fman driver interface */ 128 cfg->fman_if = __if; 129 cfg->rx_def = __if->fqid_rx_def; 130 num_cfg_ports++; 131 idx++; 132 } 133 134 if (!num_cfg_ports) { 135 DPAA_BUS_LOG(ERR, "No FMAN ports found"); 136 goto error; 137 } else if (num_ports != num_cfg_ports) 138 netcfg->num_ethports = num_cfg_ports; 139 140 return netcfg; 141 142 error: 143 if (netcfg) { 144 rte_free(netcfg); 145 netcfg = NULL; 146 } 147 148 return NULL; 149 } 150 151 void 152 netcfg_release(struct netcfg_info *cfg_ptr) 153 { 154 rte_free(cfg_ptr); 155 /* Close socket for shared interfaces */ 156 if (skfd >= 0) { 157 close(skfd); 158 skfd = -1; 159 } 160 } 161