Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1 | /* |
Dhananjay Phadke | 5d242f1 | 2009-02-25 15:57:56 +0000 | [diff] [blame] | 2 | * Copyright (C) 2003 - 2009 NetXen, Inc. |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 3 | * All rights reserved. |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 4 | * |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 9 | * |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 14 | * |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 18 | * MA 02111-1307, USA. |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 19 | * |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 20 | * The full GNU General Public License is included in this distribution |
| 21 | * in the file called LICENSE. |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 22 | * |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 23 | * Contact Information: |
| 24 | * info@netxen.com |
Dhananjay Phadke | 5d242f1 | 2009-02-25 15:57:56 +0000 | [diff] [blame] | 25 | * NetXen Inc, |
| 26 | * 18922 Forge Drive |
| 27 | * Cupertino, CA 95014-0701 |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 28 | * |
| 29 | */ |
| 30 | |
| 31 | #include <linux/netdevice.h> |
| 32 | #include <linux/delay.h> |
| 33 | #include "netxen_nic.h" |
| 34 | #include "netxen_nic_hw.h" |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 35 | #include "netxen_nic_phan_reg.h" |
| 36 | |
| 37 | struct crb_addr_pair { |
Linsys Contractor Mithlesh Thukral | e0e20a1 | 2007-02-28 05:16:40 -0800 | [diff] [blame] | 38 | u32 addr; |
| 39 | u32 data; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 40 | }; |
| 41 | |
| 42 | #define NETXEN_MAX_CRB_XFORM 60 |
| 43 | static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM]; |
Linsys Contractor Mithlesh Thukral | e0e20a1 | 2007-02-28 05:16:40 -0800 | [diff] [blame] | 44 | #define NETXEN_ADDR_ERROR (0xffffffff) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 45 | |
| 46 | #define crb_addr_transform(name) \ |
| 47 | crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \ |
| 48 | NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20 |
| 49 | |
Amit S. Kale | cb8011a | 2006-11-29 09:00:10 -0800 | [diff] [blame] | 50 | #define NETXEN_NIC_XDMA_RESET 0x8000ff |
| 51 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 52 | static void |
| 53 | netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid); |
Adrian Bunk | 993fb90 | 2007-11-05 18:07:31 +0100 | [diff] [blame] | 54 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 55 | static void crb_addr_transform_setup(void) |
| 56 | { |
| 57 | crb_addr_transform(XDMA); |
| 58 | crb_addr_transform(TIMR); |
| 59 | crb_addr_transform(SRE); |
| 60 | crb_addr_transform(SQN3); |
| 61 | crb_addr_transform(SQN2); |
| 62 | crb_addr_transform(SQN1); |
| 63 | crb_addr_transform(SQN0); |
| 64 | crb_addr_transform(SQS3); |
| 65 | crb_addr_transform(SQS2); |
| 66 | crb_addr_transform(SQS1); |
| 67 | crb_addr_transform(SQS0); |
| 68 | crb_addr_transform(RPMX7); |
| 69 | crb_addr_transform(RPMX6); |
| 70 | crb_addr_transform(RPMX5); |
| 71 | crb_addr_transform(RPMX4); |
| 72 | crb_addr_transform(RPMX3); |
| 73 | crb_addr_transform(RPMX2); |
| 74 | crb_addr_transform(RPMX1); |
| 75 | crb_addr_transform(RPMX0); |
| 76 | crb_addr_transform(ROMUSB); |
| 77 | crb_addr_transform(SN); |
| 78 | crb_addr_transform(QMN); |
| 79 | crb_addr_transform(QMS); |
| 80 | crb_addr_transform(PGNI); |
| 81 | crb_addr_transform(PGND); |
| 82 | crb_addr_transform(PGN3); |
| 83 | crb_addr_transform(PGN2); |
| 84 | crb_addr_transform(PGN1); |
| 85 | crb_addr_transform(PGN0); |
| 86 | crb_addr_transform(PGSI); |
| 87 | crb_addr_transform(PGSD); |
| 88 | crb_addr_transform(PGS3); |
| 89 | crb_addr_transform(PGS2); |
| 90 | crb_addr_transform(PGS1); |
| 91 | crb_addr_transform(PGS0); |
| 92 | crb_addr_transform(PS); |
| 93 | crb_addr_transform(PH); |
| 94 | crb_addr_transform(NIU); |
| 95 | crb_addr_transform(I2Q); |
| 96 | crb_addr_transform(EG); |
| 97 | crb_addr_transform(MN); |
| 98 | crb_addr_transform(MS); |
| 99 | crb_addr_transform(CAS2); |
| 100 | crb_addr_transform(CAS1); |
| 101 | crb_addr_transform(CAS0); |
| 102 | crb_addr_transform(CAM); |
| 103 | crb_addr_transform(C2C1); |
| 104 | crb_addr_transform(C2C0); |
Amit S. Kale | 1fcca1a | 2007-02-05 07:35:26 -0800 | [diff] [blame] | 105 | crb_addr_transform(SMB); |
Dhananjay Phadke | e4c93c8 | 2008-07-21 19:44:02 -0700 | [diff] [blame] | 106 | crb_addr_transform(OCM0); |
| 107 | crb_addr_transform(I2C0); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | int netxen_init_firmware(struct netxen_adapter *adapter) |
| 111 | { |
| 112 | u32 state = 0, loops = 0, err = 0; |
| 113 | |
| 114 | /* Window 1 call */ |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 115 | state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 116 | |
| 117 | if (state == PHAN_INITIALIZE_ACK) |
| 118 | return 0; |
| 119 | |
| 120 | while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) { |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 121 | msleep(1); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 122 | /* Window 1 call */ |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 123 | state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 124 | |
| 125 | loops++; |
| 126 | } |
| 127 | if (loops >= 2000) { |
| 128 | printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n", |
| 129 | state); |
| 130 | err = -EIO; |
| 131 | return err; |
| 132 | } |
| 133 | /* Window 1 call */ |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 134 | adapter->pci_write_normalize(adapter, |
| 135 | CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT); |
| 136 | adapter->pci_write_normalize(adapter, |
| 137 | CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC); |
| 138 | adapter->pci_write_normalize(adapter, |
| 139 | CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE); |
| 140 | adapter->pci_write_normalize(adapter, |
| 141 | CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 142 | |
| 143 | return err; |
| 144 | } |
| 145 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 146 | void netxen_release_rx_buffers(struct netxen_adapter *adapter) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 147 | { |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 148 | struct netxen_recv_context *recv_ctx; |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 149 | struct nx_host_rds_ring *rds_ring; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 150 | struct netxen_rx_buffer *rx_buf; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 151 | int i, ring; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 152 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 153 | recv_ctx = &adapter->recv_ctx; |
| 154 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 155 | rds_ring = &recv_ctx->rds_rings[ring]; |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 156 | for (i = 0; i < rds_ring->num_desc; ++i) { |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 157 | rx_buf = &(rds_ring->rx_buf_arr[i]); |
| 158 | if (rx_buf->state == NETXEN_BUFFER_FREE) |
| 159 | continue; |
| 160 | pci_unmap_single(adapter->pdev, |
| 161 | rx_buf->dma, |
| 162 | rds_ring->dma_size, |
| 163 | PCI_DMA_FROMDEVICE); |
| 164 | if (rx_buf->skb != NULL) |
| 165 | dev_kfree_skb_any(rx_buf->skb); |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 166 | } |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | void netxen_release_tx_buffers(struct netxen_adapter *adapter) |
| 171 | { |
| 172 | struct netxen_cmd_buffer *cmd_buf; |
| 173 | struct netxen_skb_frag *buffrag; |
| 174 | int i, j; |
| 175 | |
| 176 | cmd_buf = adapter->cmd_buf_arr; |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 177 | for (i = 0; i < adapter->num_txd; i++) { |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 178 | buffrag = cmd_buf->frag_array; |
| 179 | if (buffrag->dma) { |
| 180 | pci_unmap_single(adapter->pdev, buffrag->dma, |
| 181 | buffrag->length, PCI_DMA_TODEVICE); |
| 182 | buffrag->dma = 0ULL; |
| 183 | } |
| 184 | for (j = 0; j < cmd_buf->frag_count; j++) { |
| 185 | buffrag++; |
| 186 | if (buffrag->dma) { |
| 187 | pci_unmap_page(adapter->pdev, buffrag->dma, |
| 188 | buffrag->length, |
| 189 | PCI_DMA_TODEVICE); |
| 190 | buffrag->dma = 0ULL; |
| 191 | } |
| 192 | } |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 193 | if (cmd_buf->skb) { |
| 194 | dev_kfree_skb_any(cmd_buf->skb); |
| 195 | cmd_buf->skb = NULL; |
| 196 | } |
| 197 | cmd_buf++; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | void netxen_free_sw_resources(struct netxen_adapter *adapter) |
| 202 | { |
| 203 | struct netxen_recv_context *recv_ctx; |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 204 | struct nx_host_rds_ring *rds_ring; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 205 | int ring; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 206 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 207 | recv_ctx = &adapter->recv_ctx; |
| 208 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 209 | rds_ring = &recv_ctx->rds_rings[ring]; |
| 210 | if (rds_ring->rx_buf_arr) { |
| 211 | vfree(rds_ring->rx_buf_arr); |
| 212 | rds_ring->rx_buf_arr = NULL; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 213 | } |
| 214 | } |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 215 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 216 | if (adapter->cmd_buf_arr) |
| 217 | vfree(adapter->cmd_buf_arr); |
| 218 | return; |
| 219 | } |
| 220 | |
| 221 | int netxen_alloc_sw_resources(struct netxen_adapter *adapter) |
| 222 | { |
| 223 | struct netxen_recv_context *recv_ctx; |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 224 | struct nx_host_rds_ring *rds_ring; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 225 | struct netxen_rx_buffer *rx_buf; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 226 | int ring, i, num_rx_bufs; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 227 | |
| 228 | struct netxen_cmd_buffer *cmd_buf_arr; |
| 229 | struct net_device *netdev = adapter->netdev; |
| 230 | |
| 231 | cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE); |
| 232 | if (cmd_buf_arr == NULL) { |
| 233 | printk(KERN_ERR "%s: Failed to allocate cmd buffer ring\n", |
| 234 | netdev->name); |
| 235 | return -ENOMEM; |
| 236 | } |
| 237 | memset(cmd_buf_arr, 0, TX_RINGSIZE); |
| 238 | adapter->cmd_buf_arr = cmd_buf_arr; |
| 239 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 240 | recv_ctx = &adapter->recv_ctx; |
| 241 | for (ring = 0; ring < adapter->max_rds_rings; ring++) { |
| 242 | rds_ring = &recv_ctx->rds_rings[ring]; |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 243 | switch (ring) { |
| 244 | case RCV_RING_NORMAL: |
| 245 | rds_ring->num_desc = adapter->num_rxd; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 246 | if (adapter->ahw.cut_through) { |
| 247 | rds_ring->dma_size = |
| 248 | NX_CT_DEFAULT_RX_BUF_LEN; |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 249 | rds_ring->skb_size = |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 250 | NX_CT_DEFAULT_RX_BUF_LEN; |
| 251 | } else { |
| 252 | rds_ring->dma_size = RX_DMA_MAP_LEN; |
| 253 | rds_ring->skb_size = |
| 254 | MAX_RX_BUFFER_LENGTH; |
| 255 | } |
| 256 | break; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 257 | |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 258 | case RCV_RING_JUMBO: |
| 259 | rds_ring->num_desc = adapter->num_jumbo_rxd; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 260 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
| 261 | rds_ring->dma_size = |
| 262 | NX_P3_RX_JUMBO_BUF_MAX_LEN; |
| 263 | else |
| 264 | rds_ring->dma_size = |
| 265 | NX_P2_RX_JUMBO_BUF_MAX_LEN; |
| 266 | rds_ring->skb_size = |
| 267 | rds_ring->dma_size + NET_IP_ALIGN; |
| 268 | break; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 269 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 270 | case RCV_RING_LRO: |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 271 | rds_ring->num_desc = adapter->num_lro_rxd; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 272 | rds_ring->dma_size = RX_LRO_DMA_MAP_LEN; |
| 273 | rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH; |
| 274 | break; |
| 275 | |
| 276 | } |
| 277 | rds_ring->rx_buf_arr = (struct netxen_rx_buffer *) |
| 278 | vmalloc(RCV_BUFFSIZE); |
| 279 | if (rds_ring->rx_buf_arr == NULL) { |
| 280 | printk(KERN_ERR "%s: Failed to allocate " |
| 281 | "rx buffer ring %d\n", |
| 282 | netdev->name, ring); |
| 283 | /* free whatever was already allocated */ |
| 284 | goto err_out; |
| 285 | } |
| 286 | memset(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE); |
| 287 | INIT_LIST_HEAD(&rds_ring->free_list); |
| 288 | /* |
| 289 | * Now go through all of them, set reference handles |
| 290 | * and put them in the queues. |
| 291 | */ |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 292 | num_rx_bufs = rds_ring->num_desc; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 293 | rx_buf = rds_ring->rx_buf_arr; |
| 294 | for (i = 0; i < num_rx_bufs; i++) { |
| 295 | list_add_tail(&rx_buf->list, |
| 296 | &rds_ring->free_list); |
| 297 | rx_buf->ref_handle = i; |
| 298 | rx_buf->state = NETXEN_BUFFER_FREE; |
| 299 | rx_buf++; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 300 | } |
| 301 | } |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 302 | |
| 303 | return 0; |
| 304 | |
| 305 | err_out: |
| 306 | netxen_free_sw_resources(adapter); |
| 307 | return -ENOMEM; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 308 | } |
| 309 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 310 | void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) |
| 311 | { |
Dhananjay Phadke | 1e2d005 | 2009-03-09 08:50:56 +0000 | [diff] [blame] | 312 | switch (adapter->ahw.port_type) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 313 | case NETXEN_NIC_GBE: |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 314 | adapter->enable_phy_interrupts = |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 315 | netxen_niu_gbe_enable_phy_interrupts; |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 316 | adapter->disable_phy_interrupts = |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 317 | netxen_niu_gbe_disable_phy_interrupts; |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 318 | adapter->macaddr_set = netxen_niu_macaddr_set; |
| 319 | adapter->set_mtu = netxen_nic_set_mtu_gb; |
| 320 | adapter->set_promisc = netxen_niu_set_promiscuous_mode; |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 321 | adapter->phy_read = netxen_niu_gbe_phy_read; |
| 322 | adapter->phy_write = netxen_niu_gbe_phy_write; |
Dhananjay Phadke | c9fc891 | 2008-07-21 19:44:07 -0700 | [diff] [blame] | 323 | adapter->init_port = netxen_niu_gbe_init_port; |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 324 | adapter->stop_port = netxen_niu_disable_gbe_port; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 325 | break; |
| 326 | |
| 327 | case NETXEN_NIC_XGBE: |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 328 | adapter->enable_phy_interrupts = |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 329 | netxen_niu_xgbe_enable_phy_interrupts; |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 330 | adapter->disable_phy_interrupts = |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 331 | netxen_niu_xgbe_disable_phy_interrupts; |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 332 | adapter->macaddr_set = netxen_niu_xg_macaddr_set; |
| 333 | adapter->set_mtu = netxen_nic_set_mtu_xgb; |
| 334 | adapter->init_port = netxen_niu_xg_init_port; |
| 335 | adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode; |
Amit S. Kale | 80922fb | 2006-12-04 09:18:00 -0800 | [diff] [blame] | 336 | adapter->stop_port = netxen_niu_disable_xg_port; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 337 | break; |
| 338 | |
| 339 | default: |
| 340 | break; |
| 341 | } |
Dhananjay Phadke | 9ad2764 | 2008-08-01 03:14:59 -0700 | [diff] [blame] | 342 | |
| 343 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
| 344 | adapter->set_mtu = nx_fw_cmd_set_mtu; |
| 345 | adapter->set_promisc = netxen_p3_nic_set_promisc; |
| 346 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | /* |
| 350 | * netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB |
| 351 | * address to external PCI CRB address. |
| 352 | */ |
Adrian Bunk | 993fb90 | 2007-11-05 18:07:31 +0100 | [diff] [blame] | 353 | static u32 netxen_decode_crb_addr(u32 addr) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 354 | { |
| 355 | int i; |
Linsys Contractor Mithlesh Thukral | e0e20a1 | 2007-02-28 05:16:40 -0800 | [diff] [blame] | 356 | u32 base_addr, offset, pci_base; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 357 | |
| 358 | crb_addr_transform_setup(); |
| 359 | |
| 360 | pci_base = NETXEN_ADDR_ERROR; |
| 361 | base_addr = addr & 0xfff00000; |
| 362 | offset = addr & 0x000fffff; |
| 363 | |
| 364 | for (i = 0; i < NETXEN_MAX_CRB_XFORM; i++) { |
| 365 | if (crb_addr_xform[i] == base_addr) { |
| 366 | pci_base = i << 20; |
| 367 | break; |
| 368 | } |
| 369 | } |
| 370 | if (pci_base == NETXEN_ADDR_ERROR) |
| 371 | return pci_base; |
| 372 | else |
| 373 | return (pci_base + offset); |
| 374 | } |
| 375 | |
Mithlesh Thukral | 13ba9c7 | 2007-04-20 07:53:05 -0700 | [diff] [blame] | 376 | static long rom_max_timeout = 100; |
| 377 | static long rom_lock_timeout = 10000; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 378 | |
Adrian Bunk | 993fb90 | 2007-11-05 18:07:31 +0100 | [diff] [blame] | 379 | static int rom_lock(struct netxen_adapter *adapter) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 380 | { |
| 381 | int iter; |
| 382 | u32 done = 0; |
| 383 | int timeout = 0; |
| 384 | |
| 385 | while (!done) { |
| 386 | /* acquire semaphore2 from PCI HW block */ |
| 387 | netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK), |
| 388 | &done); |
| 389 | if (done == 1) |
| 390 | break; |
| 391 | if (timeout >= rom_lock_timeout) |
| 392 | return -EIO; |
| 393 | |
| 394 | timeout++; |
| 395 | /* |
| 396 | * Yield CPU |
| 397 | */ |
| 398 | if (!in_atomic()) |
| 399 | schedule(); |
| 400 | else { |
| 401 | for (iter = 0; iter < 20; iter++) |
| 402 | cpu_relax(); /*This a nop instr on i386 */ |
| 403 | } |
| 404 | } |
| 405 | netxen_nic_reg_write(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER); |
| 406 | return 0; |
| 407 | } |
| 408 | |
Adrian Bunk | 993fb90 | 2007-11-05 18:07:31 +0100 | [diff] [blame] | 409 | static int netxen_wait_rom_done(struct netxen_adapter *adapter) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 410 | { |
| 411 | long timeout = 0; |
| 412 | long done = 0; |
| 413 | |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 414 | cond_resched(); |
| 415 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 416 | while (done == 0) { |
| 417 | done = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_GLB_STATUS); |
| 418 | done &= 2; |
| 419 | timeout++; |
| 420 | if (timeout >= rom_max_timeout) { |
| 421 | printk("Timeout reached waiting for rom done"); |
| 422 | return -EIO; |
| 423 | } |
| 424 | } |
| 425 | return 0; |
| 426 | } |
| 427 | |
Adrian Bunk | 993fb90 | 2007-11-05 18:07:31 +0100 | [diff] [blame] | 428 | static void netxen_rom_unlock(struct netxen_adapter *adapter) |
Amit S. Kale | cb8011a | 2006-11-29 09:00:10 -0800 | [diff] [blame] | 429 | { |
| 430 | u32 val; |
| 431 | |
| 432 | /* release semaphore2 */ |
| 433 | netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val); |
| 434 | |
| 435 | } |
| 436 | |
Adrian Bunk | 993fb90 | 2007-11-05 18:07:31 +0100 | [diff] [blame] | 437 | static int do_rom_fast_read(struct netxen_adapter *adapter, |
| 438 | int addr, int *valp) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 439 | { |
| 440 | netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 441 | netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 442 | netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 443 | netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb); |
| 444 | if (netxen_wait_rom_done(adapter)) { |
| 445 | printk("Error waiting for rom done\n"); |
| 446 | return -EIO; |
| 447 | } |
| 448 | /* reset abyte_cnt and dummy_byte_cnt */ |
| 449 | netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0); |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 450 | udelay(10); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 451 | netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); |
| 452 | |
| 453 | *valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA); |
| 454 | return 0; |
| 455 | } |
| 456 | |
Adrian Bunk | 993fb90 | 2007-11-05 18:07:31 +0100 | [diff] [blame] | 457 | static int do_rom_fast_read_words(struct netxen_adapter *adapter, int addr, |
| 458 | u8 *bytes, size_t size) |
Amit S. Kale | 27d2ab5 | 2007-02-05 07:40:49 -0800 | [diff] [blame] | 459 | { |
| 460 | int addridx; |
| 461 | int ret = 0; |
| 462 | |
| 463 | for (addridx = addr; addridx < (addr + size); addridx += 4) { |
Al Viro | f305f78 | 2007-12-22 19:44:00 +0000 | [diff] [blame] | 464 | int v; |
| 465 | ret = do_rom_fast_read(adapter, addridx, &v); |
Amit S. Kale | 27d2ab5 | 2007-02-05 07:40:49 -0800 | [diff] [blame] | 466 | if (ret != 0) |
| 467 | break; |
Al Viro | f305f78 | 2007-12-22 19:44:00 +0000 | [diff] [blame] | 468 | *(__le32 *)bytes = cpu_to_le32(v); |
Amit S. Kale | 27d2ab5 | 2007-02-05 07:40:49 -0800 | [diff] [blame] | 469 | bytes += 4; |
| 470 | } |
| 471 | |
| 472 | return ret; |
| 473 | } |
| 474 | |
| 475 | int |
Jeff Garzik | 4790654 | 2007-11-23 21:23:36 -0500 | [diff] [blame] | 476 | netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr, |
Amit S. Kale | 27d2ab5 | 2007-02-05 07:40:49 -0800 | [diff] [blame] | 477 | u8 *bytes, size_t size) |
| 478 | { |
| 479 | int ret; |
| 480 | |
| 481 | ret = rom_lock(adapter); |
| 482 | if (ret < 0) |
| 483 | return ret; |
| 484 | |
| 485 | ret = do_rom_fast_read_words(adapter, addr, bytes, size); |
| 486 | |
| 487 | netxen_rom_unlock(adapter); |
| 488 | return ret; |
| 489 | } |
| 490 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 491 | int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) |
| 492 | { |
| 493 | int ret; |
| 494 | |
| 495 | if (rom_lock(adapter) != 0) |
| 496 | return -EIO; |
| 497 | |
| 498 | ret = do_rom_fast_read(adapter, addr, valp); |
Amit S. Kale | cb8011a | 2006-11-29 09:00:10 -0800 | [diff] [blame] | 499 | netxen_rom_unlock(adapter); |
| 500 | return ret; |
| 501 | } |
| 502 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 503 | #define NETXEN_BOARDTYPE 0x4008 |
| 504 | #define NETXEN_BOARDNUM 0x400c |
| 505 | #define NETXEN_CHIPNUM 0x4010 |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 506 | |
| 507 | int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) |
| 508 | { |
Dhananjay Phadke | dcd56fd | 2008-06-15 22:59:45 -0700 | [diff] [blame] | 509 | int addr, val; |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 510 | int i, n, init_delay = 0; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 511 | struct crb_addr_pair *buf; |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 512 | unsigned offset; |
Linsys Contractor Mithlesh Thukral | e0e20a1 | 2007-02-28 05:16:40 -0800 | [diff] [blame] | 513 | u32 off; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 514 | |
| 515 | /* resetall */ |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 516 | rom_lock(adapter); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 517 | netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET, |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 518 | 0xffffffff); |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 519 | netxen_rom_unlock(adapter); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 520 | |
| 521 | if (verbose) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 522 | if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0) |
| 523 | printk("P2 ROM board type: 0x%08x\n", val); |
| 524 | else |
| 525 | printk("Could not read board type\n"); |
| 526 | if (netxen_rom_fast_read(adapter, NETXEN_BOARDNUM, &val) == 0) |
| 527 | printk("P2 ROM board num: 0x%08x\n", val); |
| 528 | else |
| 529 | printk("Could not read board number\n"); |
| 530 | if (netxen_rom_fast_read(adapter, NETXEN_CHIPNUM, &val) == 0) |
| 531 | printk("P2 ROM chip num: 0x%08x\n", val); |
| 532 | else |
| 533 | printk("Could not read chip number\n"); |
| 534 | } |
| 535 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 536 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
| 537 | if (netxen_rom_fast_read(adapter, 0, &n) != 0 || |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 538 | (n != 0xcafecafe) || |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 539 | netxen_rom_fast_read(adapter, 4, &n) != 0) { |
| 540 | printk(KERN_ERR "%s: ERROR Reading crb_init area: " |
| 541 | "n: %08x\n", netxen_nic_driver_name, n); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 542 | return -EIO; |
| 543 | } |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 544 | offset = n & 0xffffU; |
| 545 | n = (n >> 16) & 0xffffU; |
| 546 | } else { |
| 547 | if (netxen_rom_fast_read(adapter, 0, &n) != 0 || |
| 548 | !(n & 0x80000000)) { |
| 549 | printk(KERN_ERR "%s: ERROR Reading crb_init area: " |
| 550 | "n: %08x\n", netxen_nic_driver_name, n); |
| 551 | return -EIO; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 552 | } |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 553 | offset = 1; |
| 554 | n &= ~0x80000000; |
| 555 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 556 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 557 | if (n < 1024) { |
| 558 | if (verbose) |
| 559 | printk(KERN_DEBUG "%s: %d CRB init values found" |
| 560 | " in ROM.\n", netxen_nic_driver_name, n); |
| 561 | } else { |
| 562 | printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not" |
| 563 | " initialized.\n", __func__, n); |
| 564 | return -EIO; |
| 565 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 566 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 567 | buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL); |
| 568 | if (buf == NULL) { |
| 569 | printk("%s: netxen_pinit_from_rom: Unable to calloc memory.\n", |
| 570 | netxen_nic_driver_name); |
| 571 | return -ENOMEM; |
| 572 | } |
| 573 | for (i = 0; i < n; i++) { |
| 574 | if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || |
Daniel Marjamäki | 584dbe9 | 2009-01-29 08:55:56 +0000 | [diff] [blame] | 575 | netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) { |
| 576 | kfree(buf); |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 577 | return -EIO; |
Daniel Marjamäki | 584dbe9 | 2009-01-29 08:55:56 +0000 | [diff] [blame] | 578 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 579 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 580 | buf[i].addr = addr; |
| 581 | buf[i].data = val; |
| 582 | |
| 583 | if (verbose) |
| 584 | printk(KERN_DEBUG "%s: PCI: 0x%08x == 0x%08x\n", |
| 585 | netxen_nic_driver_name, |
| 586 | (u32)netxen_decode_crb_addr(addr), val); |
| 587 | } |
| 588 | for (i = 0; i < n; i++) { |
| 589 | |
| 590 | off = netxen_decode_crb_addr(buf[i].addr); |
| 591 | if (off == NETXEN_ADDR_ERROR) { |
| 592 | printk(KERN_ERR"CRB init value out of range %x\n", |
Amit S. Kale | 1fcca1a | 2007-02-05 07:35:26 -0800 | [diff] [blame] | 593 | buf[i].addr); |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 594 | continue; |
| 595 | } |
| 596 | off += NETXEN_PCI_CRBSPACE; |
| 597 | /* skipping cold reboot MAGIC */ |
| 598 | if (off == NETXEN_CAM_RAM(0x1fc)) |
| 599 | continue; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 600 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 601 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
| 602 | /* do not reset PCI */ |
| 603 | if (off == (ROMUSB_GLB + 0xbc)) |
| 604 | continue; |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 605 | if (off == (ROMUSB_GLB + 0xa8)) |
| 606 | continue; |
| 607 | if (off == (ROMUSB_GLB + 0xc8)) /* core clock */ |
| 608 | continue; |
| 609 | if (off == (ROMUSB_GLB + 0x24)) /* MN clock */ |
| 610 | continue; |
| 611 | if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */ |
| 612 | continue; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 613 | if (off == (NETXEN_CRB_PEG_NET_1 + 0x18)) |
| 614 | buf[i].data = 0x1020; |
| 615 | /* skip the function enable register */ |
| 616 | if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION)) |
| 617 | continue; |
| 618 | if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION2)) |
| 619 | continue; |
| 620 | if ((off & 0x0ff00000) == NETXEN_CRB_SMB) |
| 621 | continue; |
| 622 | } |
| 623 | |
| 624 | if (off == NETXEN_ADDR_ERROR) { |
| 625 | printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n", |
| 626 | netxen_nic_driver_name, buf[i].addr); |
| 627 | continue; |
| 628 | } |
| 629 | |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 630 | init_delay = 1; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 631 | /* After writing this register, HW needs time for CRB */ |
| 632 | /* to quiet down (else crb_window returns 0xffffffff) */ |
| 633 | if (off == NETXEN_ROMUSB_GLB_SW_RESET) { |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 634 | init_delay = 1000; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 635 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 636 | /* hold xdma in reset also */ |
Amit S. Kale | cb8011a | 2006-11-29 09:00:10 -0800 | [diff] [blame] | 637 | buf[i].data = NETXEN_NIC_XDMA_RESET; |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 638 | buf[i].data = 0x8000ff; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 639 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 640 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 641 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 642 | adapter->hw_write_wx(adapter, off, &buf[i].data, 4); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 643 | |
Dhananjay Phadke | 27c915a | 2009-01-14 20:49:00 -0800 | [diff] [blame] | 644 | msleep(init_delay); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 645 | } |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 646 | kfree(buf); |
| 647 | |
| 648 | /* disable_peg_cache_all */ |
| 649 | |
| 650 | /* unreset_net_cache */ |
| 651 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
| 652 | adapter->hw_read_wx(adapter, |
| 653 | NETXEN_ROMUSB_GLB_SW_RESET, &val, 4); |
| 654 | netxen_crb_writelit_adapter(adapter, |
| 655 | NETXEN_ROMUSB_GLB_SW_RESET, (val & 0xffffff0f)); |
| 656 | } |
| 657 | |
| 658 | /* p2dn replyCount */ |
| 659 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_D + 0xec, 0x1e); |
| 660 | /* disable_peg_cache 0 */ |
| 661 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_D + 0x4c, 8); |
| 662 | /* disable_peg_cache 1 */ |
| 663 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_I + 0x4c, 8); |
| 664 | |
| 665 | /* peg_clr_all */ |
| 666 | |
| 667 | /* peg_clr 0 */ |
| 668 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, 0); |
| 669 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, 0); |
| 670 | /* peg_clr 1 */ |
| 671 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, 0); |
| 672 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, 0); |
| 673 | /* peg_clr 2 */ |
| 674 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, 0); |
| 675 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, 0); |
| 676 | /* peg_clr 3 */ |
| 677 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, 0); |
| 678 | netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, 0); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 679 | return 0; |
| 680 | } |
| 681 | |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 682 | int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) |
| 683 | { |
| 684 | uint64_t addr; |
| 685 | uint32_t hi; |
| 686 | uint32_t lo; |
| 687 | |
| 688 | adapter->dummy_dma.addr = |
Dhananjay Phadke | 7830b22 | 2008-07-21 19:44:00 -0700 | [diff] [blame] | 689 | pci_alloc_consistent(adapter->pdev, |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 690 | NETXEN_HOST_DUMMY_DMA_SIZE, |
| 691 | &adapter->dummy_dma.phys_addr); |
| 692 | if (adapter->dummy_dma.addr == NULL) { |
| 693 | printk("%s: ERROR: Could not allocate dummy DMA memory\n", |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 694 | __func__); |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 695 | return -ENOMEM; |
| 696 | } |
| 697 | |
| 698 | addr = (uint64_t) adapter->dummy_dma.phys_addr; |
| 699 | hi = (addr >> 32) & 0xffffffff; |
| 700 | lo = addr & 0xffffffff; |
| 701 | |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 702 | adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi); |
| 703 | adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo); |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 704 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 705 | if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { |
| 706 | uint32_t temp = 0; |
| 707 | adapter->hw_write_wx(adapter, CRB_HOST_DUMMY_BUF, &temp, 4); |
| 708 | } |
| 709 | |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 710 | return 0; |
| 711 | } |
| 712 | |
| 713 | void netxen_free_adapter_offload(struct netxen_adapter *adapter) |
| 714 | { |
Dhananjay Phadke | 15eef1e | 2008-08-08 00:08:42 -0700 | [diff] [blame] | 715 | int i = 100; |
Dhananjay Phadke | 439b454 | 2008-06-15 22:59:46 -0700 | [diff] [blame] | 716 | |
Dhananjay Phadke | 15eef1e | 2008-08-08 00:08:42 -0700 | [diff] [blame] | 717 | if (!adapter->dummy_dma.addr) |
| 718 | return; |
| 719 | |
| 720 | if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
Dhananjay Phadke | 439b454 | 2008-06-15 22:59:46 -0700 | [diff] [blame] | 721 | do { |
| 722 | if (dma_watchdog_shutdown_request(adapter) == 1) |
| 723 | break; |
| 724 | msleep(50); |
| 725 | if (dma_watchdog_shutdown_poll_result(adapter) == 1) |
| 726 | break; |
| 727 | } while (--i); |
Dhananjay Phadke | 15eef1e | 2008-08-08 00:08:42 -0700 | [diff] [blame] | 728 | } |
Dhananjay Phadke | 439b454 | 2008-06-15 22:59:46 -0700 | [diff] [blame] | 729 | |
Dhananjay Phadke | 15eef1e | 2008-08-08 00:08:42 -0700 | [diff] [blame] | 730 | if (i) { |
| 731 | pci_free_consistent(adapter->pdev, |
| 732 | NETXEN_HOST_DUMMY_DMA_SIZE, |
| 733 | adapter->dummy_dma.addr, |
| 734 | adapter->dummy_dma.phys_addr); |
| 735 | adapter->dummy_dma.addr = NULL; |
| 736 | } else { |
| 737 | printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n", |
| 738 | adapter->netdev->name); |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 739 | } |
| 740 | } |
| 741 | |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 742 | int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 743 | { |
| 744 | u32 val = 0; |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 745 | int retries = 60; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 746 | |
Amit S. Kale | cb8011a | 2006-11-29 09:00:10 -0800 | [diff] [blame] | 747 | if (!pegtune_val) { |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 748 | do { |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 749 | val = adapter->pci_read_normalize(adapter, |
| 750 | CRB_CMDPEG_STATE); |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 751 | |
| 752 | if (val == PHAN_INITIALIZE_COMPLETE || |
| 753 | val == PHAN_INITIALIZE_ACK) |
| 754 | return 0; |
| 755 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 756 | msleep(500); |
| 757 | |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 758 | } while (--retries); |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 759 | |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 760 | if (!retries) { |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 761 | pegtune_val = adapter->pci_read_normalize(adapter, |
| 762 | NETXEN_ROMUSB_GLB_PEGTUNE_DONE); |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 763 | printk(KERN_WARNING "netxen_phantom_init: init failed, " |
| 764 | "pegtune_val=%x\n", pegtune_val); |
| 765 | return -1; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 766 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 767 | } |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 768 | |
| 769 | return 0; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 770 | } |
| 771 | |
Dhananjay Phadke | 2956640 | 2008-07-21 19:44:04 -0700 | [diff] [blame] | 772 | int netxen_receive_peg_ready(struct netxen_adapter *adapter) |
| 773 | { |
| 774 | u32 val = 0; |
| 775 | int retries = 2000; |
| 776 | |
| 777 | do { |
| 778 | val = adapter->pci_read_normalize(adapter, CRB_RCVPEG_STATE); |
| 779 | |
| 780 | if (val == PHAN_PEG_RCV_INITIALIZED) |
| 781 | return 0; |
| 782 | |
| 783 | msleep(10); |
| 784 | |
| 785 | } while (--retries); |
| 786 | |
| 787 | if (!retries) { |
| 788 | printk(KERN_ERR "Receive Peg initialization not " |
| 789 | "complete, state: 0x%x.\n", val); |
| 790 | return -EIO; |
| 791 | } |
| 792 | |
| 793 | return 0; |
| 794 | } |
| 795 | |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 796 | static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter, |
| 797 | struct nx_host_rds_ring *rds_ring, u16 index, u16 cksum) |
| 798 | { |
| 799 | struct netxen_rx_buffer *buffer; |
| 800 | struct sk_buff *skb; |
| 801 | |
| 802 | buffer = &rds_ring->rx_buf_arr[index]; |
| 803 | |
| 804 | pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size, |
| 805 | PCI_DMA_FROMDEVICE); |
| 806 | |
| 807 | skb = buffer->skb; |
| 808 | if (!skb) |
| 809 | goto no_skb; |
| 810 | |
| 811 | if (likely(adapter->rx_csum && cksum == STATUS_CKSUM_OK)) { |
| 812 | adapter->stats.csummed++; |
| 813 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 814 | } else |
| 815 | skb->ip_summed = CHECKSUM_NONE; |
| 816 | |
| 817 | skb->dev = adapter->netdev; |
| 818 | |
| 819 | buffer->skb = NULL; |
| 820 | |
| 821 | no_skb: |
| 822 | buffer->state = NETXEN_BUFFER_FREE; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 823 | list_add_tail(&buffer->list, &rds_ring->free_list); |
| 824 | return skb; |
| 825 | } |
| 826 | |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 827 | static void |
| 828 | netxen_process_rcv(struct netxen_adapter *adapter, |
| 829 | int ring, int index, int length, int cksum, int pkt_offset) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 830 | { |
Mithlesh Thukral | 3176ff3 | 2007-04-20 07:52:37 -0700 | [diff] [blame] | 831 | struct net_device *netdev = adapter->netdev; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 832 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 833 | struct netxen_rx_buffer *buffer; |
| 834 | struct sk_buff *skb; |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 835 | struct nx_host_rds_ring *rds_ring = &recv_ctx->rds_rings[ring]; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 836 | |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 837 | if (unlikely(index > rds_ring->num_desc)) |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 838 | return; |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 839 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 840 | buffer = &rds_ring->rx_buf_arr[index]; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 841 | |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 842 | skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum); |
| 843 | if (!skb) |
| 844 | return; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 845 | |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 846 | if (length > rds_ring->skb_size) |
| 847 | skb_put(skb, rds_ring->skb_size); |
| 848 | else |
| 849 | skb_put(skb, length); |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 850 | |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 851 | |
| 852 | if (pkt_offset) |
| 853 | skb_pull(skb, pkt_offset); |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 854 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 855 | skb->protocol = eth_type_trans(skb, netdev); |
| 856 | |
Dhananjay Phadke | 0ddc110 | 2009-03-09 08:50:52 +0000 | [diff] [blame] | 857 | netif_receive_skb(skb); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 858 | |
Dhananjay Phadke | 0ddc110 | 2009-03-09 08:50:52 +0000 | [diff] [blame] | 859 | adapter->stats.no_rcv++; |
| 860 | adapter->stats.rxbytes += length; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 861 | } |
| 862 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 863 | int |
| 864 | netxen_process_rcv_ring(struct netxen_adapter *adapter, int max) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 865 | { |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 866 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 867 | struct status_desc *desc_head = recv_ctx->rcv_status_desc_head; |
Dhananjay Phadke | 0ddc110 | 2009-03-09 08:50:52 +0000 | [diff] [blame] | 868 | struct status_desc *desc; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 869 | u32 consumer = recv_ctx->status_rx_consumer; |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 870 | int count = 0; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 871 | u64 sts_data; |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 872 | int opcode, ring, index, length, cksum, pkt_offset; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 873 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 874 | while (count < max) { |
| 875 | desc = &desc_head[consumer]; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 876 | sts_data = le64_to_cpu(desc->status_desc_data); |
Dhananjay Phadke | 0ddc110 | 2009-03-09 08:50:52 +0000 | [diff] [blame] | 877 | |
| 878 | if (!(sts_data & STATUS_OWNER_HOST)) |
| 879 | break; |
| 880 | |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 881 | ring = netxen_get_sts_type(sts_data); |
| 882 | if (ring > RCV_RING_JUMBO) |
| 883 | continue; |
| 884 | |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 885 | opcode = netxen_get_sts_opcode(sts_data); |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 886 | |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 887 | index = netxen_get_sts_refhandle(sts_data); |
| 888 | length = netxen_get_sts_totallength(sts_data); |
| 889 | cksum = netxen_get_sts_status(sts_data); |
| 890 | pkt_offset = netxen_get_sts_pkt_offset(sts_data); |
| 891 | |
| 892 | netxen_process_rcv(adapter, ring, index, |
| 893 | length, cksum, pkt_offset); |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 894 | |
Dhananjay Phadke | 0ddc110 | 2009-03-09 08:50:52 +0000 | [diff] [blame] | 895 | desc->status_desc_data = cpu_to_le64(STATUS_OWNER_PHANTOM); |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 896 | |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 897 | consumer = get_next_index(consumer, adapter->num_rxd); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 898 | count++; |
| 899 | } |
Dhananjay Phadke | 0ddc110 | 2009-03-09 08:50:52 +0000 | [diff] [blame] | 900 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 901 | for (ring = 0; ring < adapter->max_rds_rings; ring++) |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 902 | netxen_post_rx_buffers_nodb(adapter, ring); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 903 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 904 | if (count) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 905 | recv_ctx->status_rx_consumer = consumer; |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 906 | adapter->pci_write_normalize(adapter, |
| 907 | recv_ctx->crb_sts_consumer, consumer); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 908 | } |
| 909 | |
| 910 | return count; |
| 911 | } |
| 912 | |
| 913 | /* Process Command status ring */ |
Dhananjay Phadke | 05aaa02 | 2008-03-17 19:59:49 -0700 | [diff] [blame] | 914 | int netxen_process_cmd_ring(struct netxen_adapter *adapter) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 915 | { |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 916 | u32 last_consumer, consumer; |
| 917 | int count = 0, i; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 918 | struct netxen_cmd_buffer *buffer; |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 919 | struct pci_dev *pdev = adapter->pdev; |
| 920 | struct net_device *netdev = adapter->netdev; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 921 | struct netxen_skb_frag *frag; |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 922 | int done = 0; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 923 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 924 | last_consumer = adapter->last_cmd_consumer; |
Dhananjay Phadke | d32cc3d | 2009-03-09 08:50:53 +0000 | [diff] [blame] | 925 | barrier(); /* cmd_consumer can change underneath */ |
Amit S. Kale | 9b41011 | 2007-02-09 05:45:18 -0800 | [diff] [blame] | 926 | consumer = le32_to_cpu(*(adapter->cmd_consumer)); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 927 | |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 928 | while (last_consumer != consumer) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 929 | buffer = &adapter->cmd_buf_arr[last_consumer]; |
dhananjay@netxen.com | 53a01e0 | 2007-12-26 10:23:58 -0800 | [diff] [blame] | 930 | if (buffer->skb) { |
| 931 | frag = &buffer->frag_array[0]; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 932 | pci_unmap_single(pdev, frag->dma, frag->length, |
| 933 | PCI_DMA_TODEVICE); |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 934 | frag->dma = 0ULL; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 935 | for (i = 1; i < buffer->frag_count; i++) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 936 | frag++; /* Get the next frag */ |
| 937 | pci_unmap_page(pdev, frag->dma, frag->length, |
| 938 | PCI_DMA_TODEVICE); |
Dhananjay Phadke | 96acb6e | 2007-07-02 09:37:57 +0530 | [diff] [blame] | 939 | frag->dma = 0ULL; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 940 | } |
| 941 | |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 942 | adapter->stats.xmitfinished++; |
dhananjay@netxen.com | 53a01e0 | 2007-12-26 10:23:58 -0800 | [diff] [blame] | 943 | dev_kfree_skb_any(buffer->skb); |
| 944 | buffer->skb = NULL; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 945 | } |
| 946 | |
| 947 | last_consumer = get_next_index(last_consumer, |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 948 | adapter->num_txd); |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 949 | if (++count >= MAX_STATUS_HANDLE) |
| 950 | break; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 951 | } |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 952 | |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 953 | if (count) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 954 | adapter->last_cmd_consumer = last_consumer; |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 955 | smp_mb(); |
| 956 | if (netif_queue_stopped(netdev) && netif_running(netdev)) { |
| 957 | netif_tx_lock(netdev); |
| 958 | netif_wake_queue(netdev); |
| 959 | smp_mb(); |
| 960 | netif_tx_unlock(netdev); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 961 | } |
| 962 | } |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 963 | /* |
| 964 | * If everything is freed up to consumer then check if the ring is full |
| 965 | * If the ring is full then check if more needs to be freed and |
| 966 | * schedule the call back again. |
| 967 | * |
| 968 | * This happens when there are 2 CPUs. One could be freeing and the |
| 969 | * other filling it. If the ring is full when we get out of here and |
| 970 | * the card has already interrupted the host then the host can miss the |
| 971 | * interrupt. |
| 972 | * |
| 973 | * There is still a possible race condition and the host could miss an |
| 974 | * interrupt. The card has to take care of this. |
| 975 | */ |
Dhananjay Phadke | d32cc3d | 2009-03-09 08:50:53 +0000 | [diff] [blame] | 976 | barrier(); /* cmd_consumer can change underneath */ |
Dhananjay Phadke | ba53e6b | 2008-03-17 19:59:50 -0700 | [diff] [blame] | 977 | consumer = le32_to_cpu(*(adapter->cmd_consumer)); |
| 978 | done = (last_consumer == consumer); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 979 | |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 980 | return (done); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 981 | } |
| 982 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 983 | void |
| 984 | netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid) |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 985 | { |
Dhananjay Phadke | 7830b22 | 2008-07-21 19:44:00 -0700 | [diff] [blame] | 986 | struct pci_dev *pdev = adapter->pdev; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 987 | struct sk_buff *skb; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 988 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 989 | struct nx_host_rds_ring *rds_ring = NULL; |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 990 | uint producer; |
| 991 | struct rcv_desc *pdesc; |
| 992 | struct netxen_rx_buffer *buffer; |
| 993 | int count = 0; |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 994 | netxen_ctx_msg msg = 0; |
| 995 | dma_addr_t dma; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 996 | struct list_head *head; |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 997 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 998 | rds_ring = &recv_ctx->rds_rings[ringid]; |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 999 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1000 | producer = rds_ring->producer; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1001 | head = &rds_ring->free_list; |
| 1002 | |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1003 | while (!list_empty(head)) { |
| 1004 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1005 | skb = dev_alloc_skb(rds_ring->skb_size); |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1006 | if (unlikely(!skb)) { |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1007 | break; |
| 1008 | } |
| 1009 | |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1010 | if (!adapter->ahw.cut_through) |
| 1011 | skb_reserve(skb, 2); |
| 1012 | |
| 1013 | dma = pci_map_single(pdev, skb->data, |
| 1014 | rds_ring->dma_size, PCI_DMA_FROMDEVICE); |
| 1015 | if (pci_dma_mapping_error(pdev, dma)) { |
| 1016 | dev_kfree_skb_any(skb); |
| 1017 | break; |
| 1018 | } |
| 1019 | |
| 1020 | count++; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1021 | buffer = list_entry(head->next, struct netxen_rx_buffer, list); |
| 1022 | list_del(&buffer->list); |
| 1023 | |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1024 | buffer->skb = skb; |
| 1025 | buffer->state = NETXEN_BUFFER_BUSY; |
| 1026 | buffer->dma = dma; |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1027 | |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1028 | /* make a rcv descriptor */ |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1029 | pdesc = &rds_ring->desc_head[producer]; |
| 1030 | pdesc->addr_buffer = cpu_to_le64(dma); |
Amit S. Kale | ed33ebe | 2006-12-18 05:53:59 -0800 | [diff] [blame] | 1031 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1032 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1033 | |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 1034 | producer = get_next_index(producer, rds_ring->num_desc); |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1035 | } |
Dhananjay Phadke | 9b3ef55 | 2009-03-13 14:52:04 +0000 | [diff] [blame^] | 1036 | |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1037 | if (count) { |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1038 | rds_ring->producer = producer; |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 1039 | adapter->pci_write_normalize(adapter, |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1040 | rds_ring->crb_rcv_producer, |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 1041 | (producer-1) & (rds_ring->num_desc-1)); |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1042 | |
| 1043 | if (adapter->fw_major < 4) { |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1044 | /* |
| 1045 | * Write a doorbell msg to tell phanmon of change in |
| 1046 | * receive ring producer |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1047 | * Only for firmware version < 4.0.0 |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1048 | */ |
| 1049 | netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID); |
| 1050 | netxen_set_msg_privid(msg); |
| 1051 | netxen_set_msg_count(msg, |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 1052 | ((producer - 1) & |
| 1053 | (rds_ring->num_desc - 1))); |
Mithlesh Thukral | 3176ff3 | 2007-04-20 07:52:37 -0700 | [diff] [blame] | 1054 | netxen_set_msg_ctxid(msg, adapter->portnum); |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1055 | netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid)); |
| 1056 | writel(msg, |
| 1057 | DB_NORMALIZE(adapter, |
| 1058 | NETXEN_RCV_PRODUCER_OFFSET)); |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1059 | } |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1060 | } |
| 1061 | } |
| 1062 | |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 1063 | static void |
| 1064 | netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid) |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1065 | { |
Dhananjay Phadke | 7830b22 | 2008-07-21 19:44:00 -0700 | [diff] [blame] | 1066 | struct pci_dev *pdev = adapter->pdev; |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1067 | struct sk_buff *skb; |
Dhananjay Phadke | becf46a | 2009-03-09 08:50:55 +0000 | [diff] [blame] | 1068 | struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1069 | struct nx_host_rds_ring *rds_ring = NULL; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1070 | u32 producer; |
| 1071 | struct rcv_desc *pdesc; |
| 1072 | struct netxen_rx_buffer *buffer; |
| 1073 | int count = 0; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1074 | struct list_head *head; |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1075 | dma_addr_t dma; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1076 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1077 | rds_ring = &recv_ctx->rds_rings[ringid]; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1078 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1079 | producer = rds_ring->producer; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1080 | head = &rds_ring->free_list; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1081 | while (!list_empty(head)) { |
| 1082 | |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1083 | skb = dev_alloc_skb(rds_ring->skb_size); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1084 | if (unlikely(!skb)) { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1085 | break; |
| 1086 | } |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1087 | |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1088 | if (!adapter->ahw.cut_through) |
| 1089 | skb_reserve(skb, 2); |
| 1090 | |
| 1091 | dma = pci_map_single(pdev, skb->data, |
| 1092 | rds_ring->dma_size, PCI_DMA_FROMDEVICE); |
| 1093 | if (pci_dma_mapping_error(pdev, dma)) { |
| 1094 | dev_kfree_skb_any(skb); |
| 1095 | break; |
| 1096 | } |
| 1097 | |
| 1098 | count++; |
Dhananjay Phadke | d9e651b | 2008-07-21 19:44:08 -0700 | [diff] [blame] | 1099 | buffer = list_entry(head->next, struct netxen_rx_buffer, list); |
| 1100 | list_del(&buffer->list); |
| 1101 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1102 | buffer->skb = skb; |
| 1103 | buffer->state = NETXEN_BUFFER_BUSY; |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1104 | buffer->dma = dma; |
Amit S. Kale | ed25ffa | 2006-12-04 09:23:25 -0800 | [diff] [blame] | 1105 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1106 | /* make a rcv descriptor */ |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1107 | pdesc = &rds_ring->desc_head[producer]; |
Amit S. Kale | ed33ebe | 2006-12-18 05:53:59 -0800 | [diff] [blame] | 1108 | pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1109 | pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1110 | pdesc->addr_buffer = cpu_to_le64(buffer->dma); |
Dhananjay Phadke | 6f70340 | 2009-01-14 20:50:00 -0800 | [diff] [blame] | 1111 | |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 1112 | producer = get_next_index(producer, rds_ring->num_desc); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1113 | } |
| 1114 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1115 | if (count) { |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1116 | rds_ring->producer = producer; |
Dhananjay Phadke | 3ce06a3 | 2008-07-21 19:44:03 -0700 | [diff] [blame] | 1117 | adapter->pci_write_normalize(adapter, |
Dhananjay Phadke | 48bfd1e | 2008-07-21 19:44:06 -0700 | [diff] [blame] | 1118 | rds_ring->crb_rcv_producer, |
Dhananjay Phadke | 438627c | 2009-03-13 14:52:03 +0000 | [diff] [blame] | 1119 | (producer - 1) & (rds_ring->num_desc - 1)); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1120 | wmb(); |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1121 | } |
| 1122 | } |
| 1123 | |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1124 | void netxen_nic_clear_stats(struct netxen_adapter *adapter) |
| 1125 | { |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1126 | memset(&adapter->stats, 0, sizeof(adapter->stats)); |
Mithlesh Thukral | 3176ff3 | 2007-04-20 07:52:37 -0700 | [diff] [blame] | 1127 | return; |
Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame] | 1128 | } |
| 1129 | |