1 /* 2 * CDDL HEADER START 3 * 4 * Copyright(c) 2007-2008 Intel Corporation. All rights reserved. 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at: 10 * http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When using or redistributing this file, you may do so under the 15 * License only. No other modification of this header is permitted. 16 * 17 * If applicable, add the following below this CDDL HEADER, with the 18 * fields enclosed by brackets "[]" replaced with your own identifying 19 * information: Portions Copyright [yyyy] [name of copyright owner] 20 * 21 * CDDL HEADER END 22 */ 23 24 /* 25 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms of the CDDL. 27 */ 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include "igb_sw.h" 32 33 /* 34 * Update driver private statistics. 35 */ 36 static int 37 igb_update_stats(kstat_t *ks, int rw) 38 { 39 igb_t *igb; 40 struct e1000_hw *hw; 41 igb_stat_t *igb_ks; 42 uint32_t val_low, val_high; 43 #ifdef IGB_DEBUG 44 int i; 45 #endif 46 47 if (rw == KSTAT_WRITE) 48 return (EACCES); 49 50 igb = (igb_t *)ks->ks_private; 51 igb_ks = (igb_stat_t *)ks->ks_data; 52 hw = &igb->hw; 53 54 mutex_enter(&igb->gen_lock); 55 56 /* 57 * Basic information. 58 */ 59 igb_ks->link_speed.value.ui64 = igb->link_speed; 60 61 #ifdef IGB_DEBUG 62 igb_ks->reset_count.value.ui64 = igb->reset_count; 63 64 igb_ks->rx_frame_error.value.ui64 = 0; 65 igb_ks->rx_cksum_error.value.ui64 = 0; 66 igb_ks->rx_exceed_pkt.value.ui64 = 0; 67 for (i = 0; i < igb->num_rx_rings; i++) { 68 igb_ks->rx_frame_error.value.ui64 += 69 igb->rx_rings[i].stat_frame_error; 70 igb_ks->rx_cksum_error.value.ui64 += 71 igb->rx_rings[i].stat_cksum_error; 72 igb_ks->rx_exceed_pkt.value.ui64 += 73 igb->rx_rings[i].stat_exceed_pkt; 74 } 75 76 igb_ks->tx_overload.value.ui64 = 0; 77 igb_ks->tx_fail_no_tbd.value.ui64 = 0; 78 igb_ks->tx_fail_no_tcb.value.ui64 = 0; 79 igb_ks->tx_fail_dma_bind.value.ui64 = 0; 80 igb_ks->tx_reschedule.value.ui64 = 0; 81 for (i = 0; i < igb->num_tx_rings; i++) { 82 igb_ks->tx_overload.value.ui64 += 83 igb->tx_rings[i].stat_overload; 84 igb_ks->tx_fail_no_tbd.value.ui64 += 85 igb->tx_rings[i].stat_fail_no_tbd; 86 igb_ks->tx_fail_no_tcb.value.ui64 += 87 igb->tx_rings[i].stat_fail_no_tcb; 88 igb_ks->tx_fail_dma_bind.value.ui64 += 89 igb->tx_rings[i].stat_fail_dma_bind; 90 igb_ks->tx_reschedule.value.ui64 += 91 igb->tx_rings[i].stat_reschedule; 92 } 93 94 /* 95 * Hardware calculated statistics. 96 */ 97 igb_ks->gprc.value.ul += E1000_READ_REG(hw, E1000_GPRC); 98 igb_ks->gptc.value.ul += E1000_READ_REG(hw, E1000_GPTC); 99 igb_ks->prc64.value.ul += E1000_READ_REG(hw, E1000_PRC64); 100 igb_ks->prc127.value.ul += E1000_READ_REG(hw, E1000_PRC127); 101 igb_ks->prc255.value.ul += E1000_READ_REG(hw, E1000_PRC255); 102 igb_ks->prc511.value.ul += E1000_READ_REG(hw, E1000_PRC511); 103 igb_ks->prc1023.value.ul += E1000_READ_REG(hw, E1000_PRC1023); 104 igb_ks->prc1522.value.ul += E1000_READ_REG(hw, E1000_PRC1522); 105 igb_ks->ptc64.value.ul += E1000_READ_REG(hw, E1000_PTC64); 106 igb_ks->ptc127.value.ul += E1000_READ_REG(hw, E1000_PTC127); 107 igb_ks->ptc255.value.ul += E1000_READ_REG(hw, E1000_PTC255); 108 igb_ks->ptc511.value.ul += E1000_READ_REG(hw, E1000_PTC511); 109 igb_ks->ptc1023.value.ul += E1000_READ_REG(hw, E1000_PTC1023); 110 igb_ks->ptc1522.value.ul += E1000_READ_REG(hw, E1000_PTC1522); 111 112 /* 113 * The 64-bit register will reset whenever the upper 114 * 32 bits are read. So we need to read the lower 115 * 32 bits first, then read the upper 32 bits. 116 */ 117 val_low = E1000_READ_REG(hw, E1000_GORCL); 118 val_high = E1000_READ_REG(hw, E1000_GORCH); 119 igb_ks->gor.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low; 120 121 val_low = E1000_READ_REG(hw, E1000_GOTCL); 122 val_high = E1000_READ_REG(hw, E1000_GOTCH); 123 igb_ks->got.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low; 124 #endif 125 126 igb_ks->symerrs.value.ui64 += E1000_READ_REG(hw, E1000_SYMERRS); 127 igb_ks->mpc.value.ui64 += E1000_READ_REG(hw, E1000_MPC); 128 igb_ks->rlec.value.ui64 += E1000_READ_REG(hw, E1000_RLEC); 129 igb_ks->fcruc.value.ui64 += E1000_READ_REG(hw, E1000_FCRUC); 130 igb_ks->rfc.value.ul += E1000_READ_REG(hw, E1000_RFC); 131 igb_ks->tncrs.value.ul += E1000_READ_REG(hw, E1000_TNCRS); 132 igb_ks->tsctc.value.ul += E1000_READ_REG(hw, E1000_TSCTC); 133 igb_ks->tsctfc.value.ul += E1000_READ_REG(hw, E1000_TSCTFC); 134 igb_ks->xonrxc.value.ui64 += E1000_READ_REG(hw, E1000_XONRXC); 135 igb_ks->xontxc.value.ui64 += E1000_READ_REG(hw, E1000_XONTXC); 136 igb_ks->xoffrxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFRXC); 137 igb_ks->xofftxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFTXC); 138 139 mutex_exit(&igb->gen_lock); 140 141 return (0); 142 } 143 144 /* 145 * Create and initialize the driver private statistics. 146 */ 147 int 148 igb_init_stats(igb_t *igb) 149 { 150 kstat_t *ks; 151 igb_stat_t *igb_ks; 152 153 /* 154 * Create and init kstat 155 */ 156 ks = kstat_create(MODULE_NAME, ddi_get_instance(igb->dip), 157 "statistics", "net", KSTAT_TYPE_NAMED, 158 sizeof (igb_stat_t) / sizeof (kstat_named_t), 0); 159 160 if (ks == NULL) { 161 igb_error(igb, 162 "Could not create kernel statistics"); 163 return (IGB_FAILURE); 164 } 165 166 igb->igb_ks = ks; 167 168 igb_ks = (igb_stat_t *)ks->ks_data; 169 170 /* 171 * Initialize all the statistics. 172 */ 173 kstat_named_init(&igb_ks->link_speed, "link_speed", 174 KSTAT_DATA_UINT64); 175 176 #ifdef IGB_DEBUG 177 kstat_named_init(&igb_ks->reset_count, "reset_count", 178 KSTAT_DATA_UINT64); 179 kstat_named_init(&igb_ks->rx_frame_error, "rx_frame_error", 180 KSTAT_DATA_UINT64); 181 kstat_named_init(&igb_ks->rx_cksum_error, "rx_cksum_error", 182 KSTAT_DATA_UINT64); 183 kstat_named_init(&igb_ks->rx_exceed_pkt, "rx_exceed_pkt", 184 KSTAT_DATA_UINT64); 185 kstat_named_init(&igb_ks->tx_overload, "tx_overload", 186 KSTAT_DATA_UINT64); 187 kstat_named_init(&igb_ks->tx_fail_no_tbd, "tx_fail_no_tbd", 188 KSTAT_DATA_UINT64); 189 kstat_named_init(&igb_ks->tx_fail_no_tcb, "tx_fail_no_tcb", 190 KSTAT_DATA_UINT64); 191 kstat_named_init(&igb_ks->tx_fail_dma_bind, "tx_fail_dma_bind", 192 KSTAT_DATA_UINT64); 193 kstat_named_init(&igb_ks->tx_reschedule, "tx_reschedule", 194 KSTAT_DATA_UINT64); 195 196 kstat_named_init(&igb_ks->gprc, "good_pkts_recvd", 197 KSTAT_DATA_UINT64); 198 kstat_named_init(&igb_ks->gptc, "good_pkts_xmitd", 199 KSTAT_DATA_UINT64); 200 kstat_named_init(&igb_ks->gor, "good_octets_recvd", 201 KSTAT_DATA_UINT64); 202 kstat_named_init(&igb_ks->got, "good_octets_xmitd", 203 KSTAT_DATA_UINT64); 204 kstat_named_init(&igb_ks->prc64, "pkts_recvd_( 64b)", 205 KSTAT_DATA_UINT64); 206 kstat_named_init(&igb_ks->prc127, "pkts_recvd_( 65- 127b)", 207 KSTAT_DATA_UINT64); 208 kstat_named_init(&igb_ks->prc255, "pkts_recvd_( 127- 255b)", 209 KSTAT_DATA_UINT64); 210 kstat_named_init(&igb_ks->prc511, "pkts_recvd_( 256- 511b)", 211 KSTAT_DATA_UINT64); 212 kstat_named_init(&igb_ks->prc1023, "pkts_recvd_( 511-1023b)", 213 KSTAT_DATA_UINT64); 214 kstat_named_init(&igb_ks->prc1522, "pkts_recvd_(1024-1522b)", 215 KSTAT_DATA_UINT64); 216 kstat_named_init(&igb_ks->ptc64, "pkts_xmitd_( 64b)", 217 KSTAT_DATA_UINT64); 218 kstat_named_init(&igb_ks->ptc127, "pkts_xmitd_( 65- 127b)", 219 KSTAT_DATA_UINT64); 220 kstat_named_init(&igb_ks->ptc255, "pkts_xmitd_( 128- 255b)", 221 KSTAT_DATA_UINT64); 222 kstat_named_init(&igb_ks->ptc511, "pkts_xmitd_( 255- 511b)", 223 KSTAT_DATA_UINT64); 224 kstat_named_init(&igb_ks->ptc1023, "pkts_xmitd_( 512-1023b)", 225 KSTAT_DATA_UINT64); 226 kstat_named_init(&igb_ks->ptc1522, "pkts_xmitd_(1024-1522b)", 227 KSTAT_DATA_UINT64); 228 #endif 229 230 kstat_named_init(&igb_ks->symerrs, "recv_symbol_errors", 231 KSTAT_DATA_UINT64); 232 kstat_named_init(&igb_ks->mpc, "recv_missed_packets", 233 KSTAT_DATA_UINT64); 234 kstat_named_init(&igb_ks->rlec, "recv_length_errors", 235 KSTAT_DATA_UINT64); 236 kstat_named_init(&igb_ks->fcruc, "recv_unsupport_FC_pkts", 237 KSTAT_DATA_UINT64); 238 kstat_named_init(&igb_ks->rfc, "recv_frag", 239 KSTAT_DATA_UINT64); 240 kstat_named_init(&igb_ks->tncrs, "xmit_with_no_CRS", 241 KSTAT_DATA_UINT64); 242 kstat_named_init(&igb_ks->tsctc, "xmit_TCP_seg_contexts", 243 KSTAT_DATA_UINT64); 244 kstat_named_init(&igb_ks->tsctfc, "xmit_TCP_seg_contexts_fail", 245 KSTAT_DATA_UINT64); 246 kstat_named_init(&igb_ks->xonrxc, "XONs_recvd", 247 KSTAT_DATA_UINT64); 248 kstat_named_init(&igb_ks->xontxc, "XONs_xmitd", 249 KSTAT_DATA_UINT64); 250 kstat_named_init(&igb_ks->xoffrxc, "XOFFs_recvd", 251 KSTAT_DATA_UINT64); 252 kstat_named_init(&igb_ks->xofftxc, "XOFFs_xmitd", 253 KSTAT_DATA_UINT64); 254 255 /* 256 * Function to provide kernel stat update on demand 257 */ 258 ks->ks_update = igb_update_stats; 259 260 ks->ks_private = (void *)igb; 261 262 /* 263 * Add kstat to systems kstat chain 264 */ 265 kstat_install(ks); 266 267 return (IGB_SUCCESS); 268 } 269