1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * 3 * Copyright 2010-2016 Freescale Semiconductor Inc. 4 * Copyright 2017-2019 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) 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" : 48 (__if->mac_type == fman_mac_2_5g) ? "2.5G" : "10G"); 49 50 printf("\tmac_addr: " RTE_ETHER_ADDR_PRT_FMT "\n", 51 RTE_ETHER_ADDR_BYTES(&__if->mac_addr)); 52 53 printf("\ttx_channel_id: 0x%02x\n", 54 __if->tx_channel_id); 55 56 printf("\tfqid_rx_def: 0x%x\n", p_cfg->rx_def); 57 printf("\tfqid_rx_err: 0x%x\n", __if->fqid_rx_err); 58 59 printf("\tfqid_tx_err: 0x%x\n", __if->fqid_tx_err); 60 printf("\tfqid_tx_confirm: 0x%x\n", __if->fqid_tx_confirm); 61 fman_if_for_each_bpool(bpool, __if) 62 printf("\tbuffer pool: (bpid=%d, count=%"PRId64 63 " size=%"PRId64", addr=0x%"PRIx64")\n", 64 bpool->bpid, bpool->count, bpool->size, 65 bpool->addr); 66 } 67 } 68 #endif /* RTE_LIBRTE_DPAA_DEBUG_DRIVER */ 69 70 struct netcfg_info * 71 netcfg_acquire(void) 72 { 73 struct fman_if *__if; 74 int _errno, idx = 0; 75 uint8_t num_ports = 0; 76 uint8_t num_cfg_ports = 0; 77 size_t size; 78 79 /* Extract dpa configuration from fman driver and FMC configuration 80 * for command-line interfaces. 81 */ 82 83 /* Open a basic socket to enable/disable shared 84 * interfaces. 85 */ 86 skfd = socket(AF_PACKET, SOCK_RAW, 0); 87 if (unlikely(skfd < 0)) { 88 err(0, "%s(): open(SOCK_RAW)", __func__); 89 return NULL; 90 } 91 92 /* Initialise the Fman driver */ 93 _errno = fman_init(); 94 if (_errno) { 95 DPAA_BUS_LOG(ERR, "FMAN driver init failed (%d)", errno); 96 close(skfd); 97 skfd = -1; 98 return NULL; 99 } 100 101 /* Number of MAC ports */ 102 list_for_each_entry(__if, fman_if_list, node) 103 num_ports++; 104 105 if (!num_ports) { 106 DPAA_BUS_LOG(ERR, "FMAN ports not available"); 107 return NULL; 108 } 109 /* Allocate space for all enabled mac ports */ 110 size = sizeof(*netcfg) + 111 (num_ports * sizeof(struct fm_eth_port_cfg)); 112 113 netcfg = rte_calloc(NULL, 1, size, 0); 114 if (unlikely(netcfg == NULL)) { 115 DPAA_BUS_LOG(ERR, "Unable to allocat mem for netcfg"); 116 goto error; 117 } 118 119 netcfg->num_ethports = num_ports; 120 121 list_for_each_entry(__if, fman_if_list, node) { 122 struct fm_eth_port_cfg *cfg = &netcfg->port_cfg[idx]; 123 /* Hook in the fman driver interface */ 124 cfg->fman_if = __if; 125 cfg->rx_def = __if->fqid_rx_def; 126 num_cfg_ports++; 127 idx++; 128 } 129 130 if (!num_cfg_ports) { 131 DPAA_BUS_LOG(ERR, "No FMAN ports found"); 132 goto error; 133 } else if (num_ports != num_cfg_ports) 134 netcfg->num_ethports = num_cfg_ports; 135 136 return netcfg; 137 138 error: 139 if (netcfg) { 140 rte_free(netcfg); 141 netcfg = NULL; 142 } 143 144 return NULL; 145 } 146 147 void 148 netcfg_release(struct netcfg_info *cfg_ptr) 149 { 150 rte_free(cfg_ptr); 151 /* Close socket for shared interfaces */ 152 if (skfd >= 0) { 153 close(skfd); 154 skfd = -1; 155 } 156 } 157