Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel 10 Gigabit PCI Express Linux driver |
Don Skidmore | 434c5e3 | 2013-01-08 05:02:28 +0000 | [diff] [blame] | 4 | Copyright(c) 1999 - 2013 Intel Corporation. |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 5 | |
| 6 | This program is free software; you can redistribute it and/or modify it |
| 7 | under the terms and conditions of the GNU General Public License, |
| 8 | version 2, as published by the Free Software Foundation. |
| 9 | |
| 10 | This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along with |
| 16 | this program; if not, write to the Free Software Foundation, Inc., |
| 17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | |
| 19 | The full GNU General Public License is included in this distribution in |
| 20 | the file called "COPYING". |
| 21 | |
| 22 | Contact Information: |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 25 | |
| 26 | *******************************************************************************/ |
| 27 | |
| 28 | #include <linux/pci.h> |
| 29 | #include <linux/delay.h> |
| 30 | #include <linux/sched.h> |
| 31 | |
Stephen Hemminger | 9c8eb72 | 2007-10-29 10:46:24 -0700 | [diff] [blame] | 32 | #include "ixgbe.h" |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 33 | #include "ixgbe_phy.h" |
| 34 | |
| 35 | #define IXGBE_82598_MAX_TX_QUEUES 32 |
| 36 | #define IXGBE_82598_MAX_RX_QUEUES 64 |
| 37 | #define IXGBE_82598_RAR_ENTRIES 16 |
Christopher Leech | 2c5645c | 2008-08-26 04:27:02 -0700 | [diff] [blame] | 38 | #define IXGBE_82598_MC_TBL_SIZE 128 |
| 39 | #define IXGBE_82598_VFT_TBL_SIZE 128 |
John Fastabend | e09ad23 | 2011-04-04 04:29:41 +0000 | [diff] [blame] | 40 | #define IXGBE_82598_RX_PB_SIZE 512 |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 41 | |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 42 | static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, |
Mallikarjuna R Chilakala | 21ce849 | 2010-05-13 17:33:41 +0000 | [diff] [blame] | 43 | ixgbe_link_speed speed, |
Mallikarjuna R Chilakala | 21ce849 | 2010-05-13 17:33:41 +0000 | [diff] [blame] | 44 | bool autoneg_wait_to_complete); |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 45 | static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, |
| 46 | u8 *eeprom_data); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 47 | |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 48 | /** |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 49 | * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout |
| 50 | * @hw: pointer to the HW structure |
| 51 | * |
| 52 | * The defaults for 82598 should be in the range of 50us to 50ms, |
| 53 | * however the hardware default for these parts is 500us to 1ms which is less |
| 54 | * than the 10ms recommended by the pci-e spec. To address this we need to |
| 55 | * increase the value to either 10ms to 250ms for capability version 1 config, |
| 56 | * or 16ms to 55ms for version 2. |
| 57 | **/ |
Don Skidmore | 7b25cdb | 2009-08-25 04:47:32 +0000 | [diff] [blame] | 58 | static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 59 | { |
| 60 | struct ixgbe_adapter *adapter = hw->back; |
| 61 | u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR); |
| 62 | u16 pcie_devctl2; |
| 63 | |
| 64 | /* only take action if timeout value is defaulted to 0 */ |
| 65 | if (gcr & IXGBE_GCR_CMPL_TMOUT_MASK) |
| 66 | goto out; |
| 67 | |
| 68 | /* |
| 69 | * if capababilities version is type 1 we can write the |
| 70 | * timeout of 10ms to 250ms through the GCR register |
| 71 | */ |
| 72 | if (!(gcr & IXGBE_GCR_CAP_VER2)) { |
| 73 | gcr |= IXGBE_GCR_CMPL_TMOUT_10ms; |
| 74 | goto out; |
| 75 | } |
| 76 | |
| 77 | /* |
| 78 | * for version 2 capabilities we need to write the config space |
| 79 | * directly in order to set the completion timeout value for |
| 80 | * 16ms to 55ms |
| 81 | */ |
| 82 | pci_read_config_word(adapter->pdev, |
| 83 | IXGBE_PCI_DEVICE_CONTROL2, &pcie_devctl2); |
| 84 | pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms; |
| 85 | pci_write_config_word(adapter->pdev, |
| 86 | IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2); |
| 87 | out: |
| 88 | /* disable completion timeout resend */ |
| 89 | gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND; |
| 90 | IXGBE_WRITE_REG(hw, IXGBE_GCR, gcr); |
| 91 | } |
| 92 | |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 93 | static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) |
| 94 | { |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 95 | struct ixgbe_mac_info *mac = &hw->mac; |
PJ Waskiewicz | 03cfa20 | 2009-03-19 01:23:29 +0000 | [diff] [blame] | 96 | |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 97 | /* Call PHY identify routine to get the phy type */ |
| 98 | ixgbe_identify_phy_generic(hw); |
Auke Kok | 3957d63 | 2007-10-31 15:22:10 -0700 | [diff] [blame] | 99 | |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 100 | mac->mcft_size = IXGBE_82598_MC_TBL_SIZE; |
| 101 | mac->vft_size = IXGBE_82598_VFT_TBL_SIZE; |
| 102 | mac->num_rar_entries = IXGBE_82598_RAR_ENTRIES; |
| 103 | mac->max_rx_queues = IXGBE_82598_MAX_RX_QUEUES; |
| 104 | mac->max_tx_queues = IXGBE_82598_MAX_TX_QUEUES; |
Emil Tantilov | 7116130 | 2012-03-22 03:00:29 +0000 | [diff] [blame] | 105 | mac->max_msix_vectors = ixgbe_get_pcie_msix_count_generic(hw); |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 106 | |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * ixgbe_init_phy_ops_82598 - PHY/SFP specific init |
| 112 | * @hw: pointer to hardware structure |
| 113 | * |
| 114 | * Initialize any function pointers that were not able to be |
| 115 | * set during get_invariants because the PHY/SFP type was |
| 116 | * not known. Perform the SFP init if necessary. |
| 117 | * |
| 118 | **/ |
Don Skidmore | 7b25cdb | 2009-08-25 04:47:32 +0000 | [diff] [blame] | 119 | static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw) |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 120 | { |
| 121 | struct ixgbe_mac_info *mac = &hw->mac; |
| 122 | struct ixgbe_phy_info *phy = &hw->phy; |
| 123 | s32 ret_val = 0; |
| 124 | u16 list_offset, data_offset; |
| 125 | |
| 126 | /* Identify the PHY */ |
| 127 | phy->ops.identify(hw); |
| 128 | |
| 129 | /* Overwrite the link function pointers if copper PHY */ |
| 130 | if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) { |
| 131 | mac->ops.setup_link = &ixgbe_setup_copper_link_82598; |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 132 | mac->ops.get_link_capabilities = |
Don Skidmore | a391f1d | 2010-11-16 19:27:15 -0800 | [diff] [blame] | 133 | &ixgbe_get_copper_link_capabilities_generic; |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | switch (hw->phy.type) { |
Jesse Brandeburg | 0befdb3 | 2008-10-31 00:46:40 -0700 | [diff] [blame] | 137 | case ixgbe_phy_tn: |
Emil Tantilov | 9dda173 | 2011-03-05 01:28:07 +0000 | [diff] [blame] | 138 | phy->ops.setup_link = &ixgbe_setup_phy_link_tnx; |
Jesse Brandeburg | 0befdb3 | 2008-10-31 00:46:40 -0700 | [diff] [blame] | 139 | phy->ops.check_link = &ixgbe_check_phy_link_tnx; |
| 140 | phy->ops.get_firmware_version = |
| 141 | &ixgbe_get_phy_firmware_version_tnx; |
| 142 | break; |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 143 | case ixgbe_phy_nl: |
| 144 | phy->ops.reset = &ixgbe_reset_phy_nl; |
| 145 | |
| 146 | /* Call SFP+ identify routine to get the SFP+ module type */ |
| 147 | ret_val = phy->ops.identify_sfp(hw); |
| 148 | if (ret_val != 0) |
| 149 | goto out; |
| 150 | else if (hw->phy.sfp_type == ixgbe_sfp_type_unknown) { |
| 151 | ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED; |
| 152 | goto out; |
| 153 | } |
| 154 | |
| 155 | /* Check to see if SFP+ module is supported */ |
| 156 | ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 157 | &list_offset, |
| 158 | &data_offset); |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 159 | if (ret_val != 0) { |
| 160 | ret_val = IXGBE_ERR_SFP_NOT_SUPPORTED; |
| 161 | goto out; |
| 162 | } |
| 163 | break; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 164 | default: |
| 165 | break; |
Auke Kok | 3957d63 | 2007-10-31 15:22:10 -0700 | [diff] [blame] | 166 | } |
| 167 | |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 168 | out: |
| 169 | return ret_val; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | /** |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 173 | * ixgbe_start_hw_82598 - Prepare hardware for Tx/Rx |
| 174 | * @hw: pointer to hardware structure |
| 175 | * |
| 176 | * Starts the hardware using the generic start_hw function. |
Emil Tantilov | 3d5c520 | 2011-03-19 01:32:46 +0000 | [diff] [blame] | 177 | * Disables relaxed ordering Then set pcie completion timeout |
| 178 | * |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 179 | **/ |
Don Skidmore | 7b25cdb | 2009-08-25 04:47:32 +0000 | [diff] [blame] | 180 | static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw) |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 181 | { |
Emil Tantilov | 3d5c520 | 2011-03-19 01:32:46 +0000 | [diff] [blame] | 182 | u32 regval; |
| 183 | u32 i; |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 184 | s32 ret_val = 0; |
| 185 | |
| 186 | ret_val = ixgbe_start_hw_generic(hw); |
| 187 | |
Emil Tantilov | 3d5c520 | 2011-03-19 01:32:46 +0000 | [diff] [blame] | 188 | /* Disable relaxed ordering */ |
| 189 | for (i = 0; ((i < hw->mac.max_tx_queues) && |
| 190 | (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) { |
| 191 | regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i)); |
Alexander Duyck | bdda1a6 | 2012-02-08 07:50:14 +0000 | [diff] [blame] | 192 | regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN; |
Emil Tantilov | 3d5c520 | 2011-03-19 01:32:46 +0000 | [diff] [blame] | 193 | IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i), regval); |
| 194 | } |
| 195 | |
| 196 | for (i = 0; ((i < hw->mac.max_rx_queues) && |
| 197 | (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) { |
| 198 | regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i)); |
Alexander Duyck | bdda1a6 | 2012-02-08 07:50:14 +0000 | [diff] [blame] | 199 | regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN | |
| 200 | IXGBE_DCA_RXCTRL_HEAD_WRO_EN); |
Emil Tantilov | 3d5c520 | 2011-03-19 01:32:46 +0000 | [diff] [blame] | 201 | IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval); |
| 202 | } |
| 203 | |
John Fastabend | e09ad23 | 2011-04-04 04:29:41 +0000 | [diff] [blame] | 204 | hw->mac.rx_pb_size = IXGBE_82598_RX_PB_SIZE; |
| 205 | |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 206 | /* set the completion timeout for interface */ |
| 207 | if (ret_val == 0) |
| 208 | ixgbe_set_pcie_completion_timeout(hw); |
| 209 | |
| 210 | return ret_val; |
| 211 | } |
| 212 | |
| 213 | /** |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 214 | * ixgbe_get_link_capabilities_82598 - Determines link capabilities |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 215 | * @hw: pointer to hardware structure |
| 216 | * @speed: pointer to link speed |
| 217 | * @autoneg: boolean auto-negotiation value |
| 218 | * |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 219 | * Determines the link capabilities by reading the AUTOC register. |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 220 | **/ |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 221 | static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw, |
Peter P Waskiewicz | b461724 | 2008-09-11 20:04:46 -0700 | [diff] [blame] | 222 | ixgbe_link_speed *speed, |
| 223 | bool *autoneg) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 224 | { |
| 225 | s32 status = 0; |
PJ Waskiewicz | 1eb99d5 | 2009-04-09 22:28:33 +0000 | [diff] [blame] | 226 | u32 autoc = 0; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 227 | |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 228 | /* |
| 229 | * Determine link capabilities based on the stored value of AUTOC, |
PJ Waskiewicz | 1eb99d5 | 2009-04-09 22:28:33 +0000 | [diff] [blame] | 230 | * which represents EEPROM defaults. If AUTOC value has not been |
| 231 | * stored, use the current register value. |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 232 | */ |
PJ Waskiewicz | 1eb99d5 | 2009-04-09 22:28:33 +0000 | [diff] [blame] | 233 | if (hw->mac.orig_link_settings_stored) |
| 234 | autoc = hw->mac.orig_autoc; |
| 235 | else |
| 236 | autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| 237 | |
| 238 | switch (autoc & IXGBE_AUTOC_LMS_MASK) { |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 239 | case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: |
| 240 | *speed = IXGBE_LINK_SPEED_1GB_FULL; |
| 241 | *autoneg = false; |
| 242 | break; |
| 243 | |
| 244 | case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: |
| 245 | *speed = IXGBE_LINK_SPEED_10GB_FULL; |
| 246 | *autoneg = false; |
| 247 | break; |
| 248 | |
| 249 | case IXGBE_AUTOC_LMS_1G_AN: |
| 250 | *speed = IXGBE_LINK_SPEED_1GB_FULL; |
| 251 | *autoneg = true; |
| 252 | break; |
| 253 | |
| 254 | case IXGBE_AUTOC_LMS_KX4_AN: |
| 255 | case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: |
| 256 | *speed = IXGBE_LINK_SPEED_UNKNOWN; |
PJ Waskiewicz | 1eb99d5 | 2009-04-09 22:28:33 +0000 | [diff] [blame] | 257 | if (autoc & IXGBE_AUTOC_KX4_SUPP) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 258 | *speed |= IXGBE_LINK_SPEED_10GB_FULL; |
PJ Waskiewicz | 1eb99d5 | 2009-04-09 22:28:33 +0000 | [diff] [blame] | 259 | if (autoc & IXGBE_AUTOC_KX_SUPP) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 260 | *speed |= IXGBE_LINK_SPEED_1GB_FULL; |
| 261 | *autoneg = true; |
| 262 | break; |
| 263 | |
| 264 | default: |
| 265 | status = IXGBE_ERR_LINK_SETUP; |
| 266 | break; |
| 267 | } |
| 268 | |
| 269 | return status; |
| 270 | } |
| 271 | |
| 272 | /** |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 273 | * ixgbe_get_media_type_82598 - Determines media type |
| 274 | * @hw: pointer to hardware structure |
| 275 | * |
| 276 | * Returns the media type (fiber, copper, backplane) |
| 277 | **/ |
| 278 | static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw) |
| 279 | { |
| 280 | enum ixgbe_media_type media_type; |
| 281 | |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 282 | /* Detect if there is a copper PHY attached. */ |
| 283 | switch (hw->phy.type) { |
| 284 | case ixgbe_phy_cu_unknown: |
| 285 | case ixgbe_phy_tn: |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 286 | media_type = ixgbe_media_type_copper; |
| 287 | goto out; |
| 288 | default: |
| 289 | break; |
| 290 | } |
| 291 | |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 292 | /* Media type for I82598 is based on device ID */ |
| 293 | switch (hw->device_id) { |
Don Skidmore | 1e336d0 | 2009-01-26 20:57:51 -0800 | [diff] [blame] | 294 | case IXGBE_DEV_ID_82598: |
Don Skidmore | 2f21bdd | 2009-02-01 01:18:23 -0800 | [diff] [blame] | 295 | case IXGBE_DEV_ID_82598_BX: |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 296 | /* Default device ID is mezzanine card KX/KX4 */ |
Don Skidmore | 1e336d0 | 2009-01-26 20:57:51 -0800 | [diff] [blame] | 297 | media_type = ixgbe_media_type_backplane; |
| 298 | break; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 299 | case IXGBE_DEV_ID_82598AF_DUAL_PORT: |
| 300 | case IXGBE_DEV_ID_82598AF_SINGLE_PORT: |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 301 | case IXGBE_DEV_ID_82598_DA_DUAL_PORT: |
| 302 | case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM: |
Jesse Brandeburg | b95f5fc | 2008-09-11 19:58:59 -0700 | [diff] [blame] | 303 | case IXGBE_DEV_ID_82598EB_XF_LR: |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 304 | case IXGBE_DEV_ID_82598EB_SFP_LOM: |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 305 | media_type = ixgbe_media_type_fiber; |
| 306 | break; |
Peter P Waskiewicz Jr | 6b1be19 | 2009-09-14 07:48:10 +0000 | [diff] [blame] | 307 | case IXGBE_DEV_ID_82598EB_CX4: |
| 308 | case IXGBE_DEV_ID_82598_CX4_DUAL_PORT: |
| 309 | media_type = ixgbe_media_type_cx4; |
| 310 | break; |
Jesse Brandeburg | 0befdb3 | 2008-10-31 00:46:40 -0700 | [diff] [blame] | 311 | case IXGBE_DEV_ID_82598AT: |
Peter P Waskiewicz Jr | 3845bec | 2009-07-16 15:50:52 +0000 | [diff] [blame] | 312 | case IXGBE_DEV_ID_82598AT2: |
Jesse Brandeburg | 0befdb3 | 2008-10-31 00:46:40 -0700 | [diff] [blame] | 313 | media_type = ixgbe_media_type_copper; |
| 314 | break; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 315 | default: |
| 316 | media_type = ixgbe_media_type_unknown; |
| 317 | break; |
| 318 | } |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 319 | out: |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 320 | return media_type; |
| 321 | } |
| 322 | |
| 323 | /** |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 324 | * ixgbe_fc_enable_82598 - Enable flow control |
| 325 | * @hw: pointer to hardware structure |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 326 | * |
| 327 | * Enable flow control according to the current settings. |
| 328 | **/ |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 329 | static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw) |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 330 | { |
| 331 | s32 ret_val = 0; |
| 332 | u32 fctrl_reg; |
| 333 | u32 rmcs_reg; |
| 334 | u32 reg; |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 335 | u32 fcrtl, fcrth; |
Don Skidmore | a626e84 | 2010-02-11 04:13:49 +0000 | [diff] [blame] | 336 | u32 link_speed = 0; |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 337 | int i; |
Don Skidmore | a626e84 | 2010-02-11 04:13:49 +0000 | [diff] [blame] | 338 | bool link_up; |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 339 | |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 340 | /* |
| 341 | * Validate the water mark configuration for packet buffer 0. Zero |
| 342 | * water marks indicate that the packet buffer was not configured |
| 343 | * and the watermarks for packet buffer 0 should always be configured. |
| 344 | */ |
| 345 | if (!hw->fc.low_water || |
| 346 | !hw->fc.high_water[0] || |
| 347 | !hw->fc.pause_time) { |
| 348 | hw_dbg(hw, "Invalid water mark configuration\n"); |
| 349 | ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS; |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 350 | goto out; |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 351 | } |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 352 | |
Don Skidmore | a626e84 | 2010-02-11 04:13:49 +0000 | [diff] [blame] | 353 | /* |
| 354 | * On 82598 having Rx FC on causes resets while doing 1G |
| 355 | * so if it's on turn it off once we know link_speed. For |
| 356 | * more details see 82598 Specification update. |
| 357 | */ |
| 358 | hw->mac.ops.check_link(hw, &link_speed, &link_up, false); |
| 359 | if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) { |
| 360 | switch (hw->fc.requested_mode) { |
| 361 | case ixgbe_fc_full: |
| 362 | hw->fc.requested_mode = ixgbe_fc_tx_pause; |
| 363 | break; |
| 364 | case ixgbe_fc_rx_pause: |
| 365 | hw->fc.requested_mode = ixgbe_fc_none; |
| 366 | break; |
| 367 | default: |
| 368 | /* no change */ |
| 369 | break; |
| 370 | } |
| 371 | } |
| 372 | |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 373 | /* Negotiate the fc mode to use */ |
Alexander Duyck | 786e9a5 | 2012-03-28 08:03:48 +0000 | [diff] [blame] | 374 | ixgbe_fc_autoneg(hw); |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 375 | |
| 376 | /* Disable any previous flow control settings */ |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 377 | fctrl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL); |
| 378 | fctrl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE); |
| 379 | |
| 380 | rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS); |
| 381 | rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X); |
| 382 | |
| 383 | /* |
| 384 | * The possible values of fc.current_mode are: |
| 385 | * 0: Flow control is completely disabled |
| 386 | * 1: Rx flow control is enabled (we can receive pause frames, |
| 387 | * but not send pause frames). |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 388 | * 2: Tx flow control is enabled (we can send pause frames but |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 389 | * we do not support receiving pause frames). |
| 390 | * 3: Both Rx and Tx flow control (symmetric) are enabled. |
Emil Tantilov | 0b0c2b3 | 2011-02-26 06:40:16 +0000 | [diff] [blame] | 391 | * other: Invalid. |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 392 | */ |
| 393 | switch (hw->fc.current_mode) { |
| 394 | case ixgbe_fc_none: |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 395 | /* |
| 396 | * Flow control is disabled by software override or autoneg. |
| 397 | * The code below will actually disable it in the HW. |
| 398 | */ |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 399 | break; |
| 400 | case ixgbe_fc_rx_pause: |
| 401 | /* |
| 402 | * Rx Flow control is enabled and Tx Flow control is |
| 403 | * disabled by software override. Since there really |
| 404 | * isn't a way to advertise that we are capable of RX |
| 405 | * Pause ONLY, we will advertise that we support both |
| 406 | * symmetric and asymmetric Rx PAUSE. Later, we will |
| 407 | * disable the adapter's ability to send PAUSE frames. |
| 408 | */ |
| 409 | fctrl_reg |= IXGBE_FCTRL_RFCE; |
| 410 | break; |
| 411 | case ixgbe_fc_tx_pause: |
| 412 | /* |
| 413 | * Tx Flow control is enabled, and Rx Flow control is |
| 414 | * disabled by software override. |
| 415 | */ |
| 416 | rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; |
| 417 | break; |
| 418 | case ixgbe_fc_full: |
| 419 | /* Flow control (both Rx and Tx) is enabled by SW override. */ |
| 420 | fctrl_reg |= IXGBE_FCTRL_RFCE; |
| 421 | rmcs_reg |= IXGBE_RMCS_TFCE_802_3X; |
| 422 | break; |
| 423 | default: |
| 424 | hw_dbg(hw, "Flow control param set incorrectly\n"); |
Peter P Waskiewicz Jr | 539e5f0 | 2009-09-30 12:07:38 +0000 | [diff] [blame] | 425 | ret_val = IXGBE_ERR_CONFIG; |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 426 | goto out; |
| 427 | break; |
| 428 | } |
| 429 | |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 430 | /* Set 802.3x based flow control settings. */ |
PJ Waskiewicz | 2132d38 | 2009-04-09 22:26:21 +0000 | [diff] [blame] | 431 | fctrl_reg |= IXGBE_FCTRL_DPF; |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 432 | IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl_reg); |
| 433 | IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg); |
| 434 | |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 435 | fcrtl = (hw->fc.low_water << 10) | IXGBE_FCRTL_XONE; |
| 436 | |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 437 | /* Set up and enable Rx high/low water mark thresholds, enable XON. */ |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 438 | for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { |
| 439 | if ((hw->fc.current_mode & ixgbe_fc_tx_pause) && |
| 440 | hw->fc.high_water[i]) { |
| 441 | fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN; |
| 442 | IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl); |
| 443 | IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), fcrth); |
| 444 | } else { |
| 445 | IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0); |
| 446 | IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0); |
| 447 | } |
Emil Tantilov | 0b0c2b3 | 2011-02-26 06:40:16 +0000 | [diff] [blame] | 448 | |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | /* Configure pause time (2 TCs per register) */ |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 452 | reg = hw->fc.pause_time * 0x00010001; |
| 453 | for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++) |
| 454 | IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg); |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 455 | |
Alexander Duyck | 041441d | 2012-04-19 17:48:48 +0000 | [diff] [blame] | 456 | /* Configure flow control refresh threshold value */ |
| 457 | IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2); |
Peter P Waskiewicz Jr | 0ecc061 | 2009-02-06 21:46:54 -0800 | [diff] [blame] | 458 | |
| 459 | out: |
| 460 | return ret_val; |
| 461 | } |
| 462 | |
| 463 | /** |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 464 | * ixgbe_start_mac_link_82598 - Configures MAC link settings |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 465 | * @hw: pointer to hardware structure |
| 466 | * |
| 467 | * Configures link settings based on values in the ixgbe_hw struct. |
| 468 | * Restarts the link. Performs autonegotiation if needed. |
| 469 | **/ |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 470 | static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw, |
| 471 | bool autoneg_wait_to_complete) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 472 | { |
| 473 | u32 autoc_reg; |
| 474 | u32 links_reg; |
| 475 | u32 i; |
| 476 | s32 status = 0; |
| 477 | |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 478 | /* Restart link */ |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 479 | autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 480 | autoc_reg |= IXGBE_AUTOC_AN_RESTART; |
| 481 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg); |
| 482 | |
| 483 | /* Only poll for autoneg to complete if specified to do so */ |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 484 | if (autoneg_wait_to_complete) { |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 485 | if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) == |
| 486 | IXGBE_AUTOC_LMS_KX4_AN || |
| 487 | (autoc_reg & IXGBE_AUTOC_LMS_MASK) == |
| 488 | IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 489 | links_reg = 0; /* Just in case Autoneg time = 0 */ |
| 490 | for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) { |
| 491 | links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); |
| 492 | if (links_reg & IXGBE_LINKS_KX_AN_COMP) |
| 493 | break; |
| 494 | msleep(100); |
| 495 | } |
| 496 | if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) { |
| 497 | status = IXGBE_ERR_AUTONEG_NOT_COMPLETE; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 498 | hw_dbg(hw, "Autonegotiation did not complete.\n"); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 499 | } |
| 500 | } |
| 501 | } |
| 502 | |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 503 | /* Add delay to filter out noises during initial link setup */ |
| 504 | msleep(50); |
| 505 | |
| 506 | return status; |
| 507 | } |
| 508 | |
| 509 | /** |
Mallikarjuna R Chilakala | 734e979 | 2009-12-15 11:57:20 +0000 | [diff] [blame] | 510 | * ixgbe_validate_link_ready - Function looks for phy link |
| 511 | * @hw: pointer to hardware structure |
| 512 | * |
| 513 | * Function indicates success when phy link is available. If phy is not ready |
| 514 | * within 5 seconds of MAC indicating link, the function returns error. |
| 515 | **/ |
| 516 | static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw) |
| 517 | { |
| 518 | u32 timeout; |
| 519 | u16 an_reg; |
| 520 | |
| 521 | if (hw->device_id != IXGBE_DEV_ID_82598AT2) |
| 522 | return 0; |
| 523 | |
| 524 | for (timeout = 0; |
| 525 | timeout < IXGBE_VALIDATE_LINK_READY_TIMEOUT; timeout++) { |
| 526 | hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN, &an_reg); |
| 527 | |
| 528 | if ((an_reg & MDIO_AN_STAT1_COMPLETE) && |
| 529 | (an_reg & MDIO_STAT1_LSTATUS)) |
| 530 | break; |
| 531 | |
| 532 | msleep(100); |
| 533 | } |
| 534 | |
| 535 | if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) { |
| 536 | hw_dbg(hw, "Link was indicated but link is down\n"); |
| 537 | return IXGBE_ERR_LINK_SETUP; |
| 538 | } |
| 539 | |
| 540 | return 0; |
| 541 | } |
| 542 | |
| 543 | /** |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 544 | * ixgbe_check_mac_link_82598 - Get link/speed status |
| 545 | * @hw: pointer to hardware structure |
| 546 | * @speed: pointer to link speed |
| 547 | * @link_up: true is link is up, false otherwise |
Jesse Brandeburg | cf8280e | 2008-09-11 19:55:32 -0700 | [diff] [blame] | 548 | * @link_up_wait_to_complete: bool used to wait for link up or not |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 549 | * |
| 550 | * Reads the links register to determine if link is up and the current speed |
| 551 | **/ |
Peter P Waskiewicz | b461724 | 2008-09-11 20:04:46 -0700 | [diff] [blame] | 552 | static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, |
| 553 | ixgbe_link_speed *speed, bool *link_up, |
| 554 | bool link_up_wait_to_complete) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 555 | { |
| 556 | u32 links_reg; |
Jesse Brandeburg | cf8280e | 2008-09-11 19:55:32 -0700 | [diff] [blame] | 557 | u32 i; |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 558 | u16 link_reg, adapt_comp_reg; |
| 559 | |
| 560 | /* |
| 561 | * SERDES PHY requires us to read link status from register 0xC79F. |
| 562 | * Bit 0 set indicates link is up/ready; clear indicates link down. |
| 563 | * 0xC00C is read to check that the XAUI lanes are active. Bit 0 |
| 564 | * clear indicates active; set indicates inactive. |
| 565 | */ |
| 566 | if (hw->phy.type == ixgbe_phy_nl) { |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 567 | hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); |
| 568 | hw->phy.ops.read_reg(hw, 0xC79F, MDIO_MMD_PMAPMD, &link_reg); |
| 569 | hw->phy.ops.read_reg(hw, 0xC00C, MDIO_MMD_PMAPMD, |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 570 | &adapt_comp_reg); |
| 571 | if (link_up_wait_to_complete) { |
| 572 | for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { |
| 573 | if ((link_reg & 1) && |
| 574 | ((adapt_comp_reg & 1) == 0)) { |
| 575 | *link_up = true; |
| 576 | break; |
| 577 | } else { |
| 578 | *link_up = false; |
| 579 | } |
| 580 | msleep(100); |
| 581 | hw->phy.ops.read_reg(hw, 0xC79F, |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 582 | MDIO_MMD_PMAPMD, |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 583 | &link_reg); |
| 584 | hw->phy.ops.read_reg(hw, 0xC00C, |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 585 | MDIO_MMD_PMAPMD, |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 586 | &adapt_comp_reg); |
| 587 | } |
| 588 | } else { |
| 589 | if ((link_reg & 1) && ((adapt_comp_reg & 1) == 0)) |
| 590 | *link_up = true; |
| 591 | else |
| 592 | *link_up = false; |
| 593 | } |
| 594 | |
Joe Perches | 23677ce | 2012-02-09 11:17:23 +0000 | [diff] [blame] | 595 | if (!*link_up) |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 596 | goto out; |
| 597 | } |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 598 | |
| 599 | links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); |
Jesse Brandeburg | cf8280e | 2008-09-11 19:55:32 -0700 | [diff] [blame] | 600 | if (link_up_wait_to_complete) { |
| 601 | for (i = 0; i < IXGBE_LINK_UP_TIME; i++) { |
| 602 | if (links_reg & IXGBE_LINKS_UP) { |
| 603 | *link_up = true; |
| 604 | break; |
| 605 | } else { |
| 606 | *link_up = false; |
| 607 | } |
| 608 | msleep(100); |
| 609 | links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS); |
| 610 | } |
| 611 | } else { |
| 612 | if (links_reg & IXGBE_LINKS_UP) |
| 613 | *link_up = true; |
| 614 | else |
| 615 | *link_up = false; |
| 616 | } |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 617 | |
| 618 | if (links_reg & IXGBE_LINKS_SPEED) |
| 619 | *speed = IXGBE_LINK_SPEED_10GB_FULL; |
| 620 | else |
| 621 | *speed = IXGBE_LINK_SPEED_1GB_FULL; |
| 622 | |
Joe Perches | 23677ce | 2012-02-09 11:17:23 +0000 | [diff] [blame] | 623 | if ((hw->device_id == IXGBE_DEV_ID_82598AT2) && *link_up && |
Mallikarjuna R Chilakala | 734e979 | 2009-12-15 11:57:20 +0000 | [diff] [blame] | 624 | (ixgbe_validate_link_ready(hw) != 0)) |
| 625 | *link_up = false; |
| 626 | |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 627 | out: |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | /** |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 632 | * ixgbe_setup_mac_link_82598 - Set MAC link speed |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 633 | * @hw: pointer to hardware structure |
| 634 | * @speed: new link speed |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 635 | * @autoneg_wait_to_complete: true when waiting for completion is needed |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 636 | * |
| 637 | * Set the link speed in the AUTOC register and restarts link. |
| 638 | **/ |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 639 | static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw, |
Josh Hay | fd0326f | 2012-12-15 03:28:30 +0000 | [diff] [blame] | 640 | ixgbe_link_speed speed, |
| 641 | bool autoneg_wait_to_complete) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 642 | { |
Josh Hay | fd0326f | 2012-12-15 03:28:30 +0000 | [diff] [blame] | 643 | bool autoneg = false; |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 644 | s32 status = 0; |
| 645 | ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN; |
| 646 | u32 curr_autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| 647 | u32 autoc = curr_autoc; |
| 648 | u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 649 | |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 650 | /* Check to see if speed passed in is supported. */ |
| 651 | ixgbe_get_link_capabilities_82598(hw, &link_capabilities, &autoneg); |
| 652 | speed &= link_capabilities; |
| 653 | |
| 654 | if (speed == IXGBE_LINK_SPEED_UNKNOWN) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 655 | status = IXGBE_ERR_LINK_SETUP; |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 656 | |
| 657 | /* Set KX4/KX support according to speed requested */ |
| 658 | else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN || |
| 659 | link_mode == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) { |
| 660 | autoc &= ~IXGBE_AUTOC_KX4_KX_SUPP_MASK; |
| 661 | if (speed & IXGBE_LINK_SPEED_10GB_FULL) |
| 662 | autoc |= IXGBE_AUTOC_KX4_SUPP; |
| 663 | if (speed & IXGBE_LINK_SPEED_1GB_FULL) |
| 664 | autoc |= IXGBE_AUTOC_KX_SUPP; |
| 665 | if (autoc != curr_autoc) |
| 666 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | if (status == 0) { |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 670 | /* |
| 671 | * Setup and restart the link based on the new values in |
| 672 | * ixgbe_hw This will write the AUTOC register based on the new |
| 673 | * stored values |
| 674 | */ |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 675 | status = ixgbe_start_mac_link_82598(hw, |
| 676 | autoneg_wait_to_complete); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 677 | } |
| 678 | |
| 679 | return status; |
| 680 | } |
| 681 | |
| 682 | |
| 683 | /** |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 684 | * ixgbe_setup_copper_link_82598 - Set the PHY autoneg advertised field |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 685 | * @hw: pointer to hardware structure |
| 686 | * @speed: new link speed |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 687 | * @autoneg_wait_to_complete: true if waiting is needed to complete |
| 688 | * |
| 689 | * Sets the link speed in the AUTOC register in the MAC and restarts link. |
| 690 | **/ |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 691 | static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw, |
Peter P Waskiewicz | b461724 | 2008-09-11 20:04:46 -0700 | [diff] [blame] | 692 | ixgbe_link_speed speed, |
Peter P Waskiewicz | b461724 | 2008-09-11 20:04:46 -0700 | [diff] [blame] | 693 | bool autoneg_wait_to_complete) |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 694 | { |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 695 | s32 status; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 696 | |
| 697 | /* Setup the PHY according to input speed */ |
Josh Hay | 99b7664 | 2012-12-15 03:28:24 +0000 | [diff] [blame] | 698 | status = hw->phy.ops.setup_link_speed(hw, speed, |
Peter P Waskiewicz | b461724 | 2008-09-11 20:04:46 -0700 | [diff] [blame] | 699 | autoneg_wait_to_complete); |
Auke Kok | 3957d63 | 2007-10-31 15:22:10 -0700 | [diff] [blame] | 700 | /* Set up MAC */ |
Mallikarjuna R Chilakala | 8620a10 | 2009-09-01 13:49:35 +0000 | [diff] [blame] | 701 | ixgbe_start_mac_link_82598(hw, autoneg_wait_to_complete); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 702 | |
| 703 | return status; |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * ixgbe_reset_hw_82598 - Performs hardware reset |
| 708 | * @hw: pointer to hardware structure |
| 709 | * |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 710 | * Resets the hardware by resetting the transmit and receive units, masks and |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 711 | * clears all interrupts, performing a PHY reset, and performing a link (MAC) |
| 712 | * reset. |
| 713 | **/ |
| 714 | static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw) |
| 715 | { |
| 716 | s32 status = 0; |
Don Skidmore | 8ca783a | 2009-05-26 20:40:47 -0700 | [diff] [blame] | 717 | s32 phy_status = 0; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 718 | u32 ctrl; |
| 719 | u32 gheccr; |
| 720 | u32 i; |
| 721 | u32 autoc; |
| 722 | u8 analog_val; |
| 723 | |
| 724 | /* Call adapter stop to disable tx/rx and clear interrupts */ |
Emil Tantilov | ff9d1a5 | 2011-08-16 04:35:11 +0000 | [diff] [blame] | 725 | status = hw->mac.ops.stop_adapter(hw); |
| 726 | if (status != 0) |
| 727 | goto reset_hw_out; |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 728 | |
| 729 | /* |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 730 | * Power up the Atlas Tx lanes if they are currently powered down. |
| 731 | * Atlas Tx lanes are powered down for MAC loopback tests, but |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 732 | * they are not automatically restored on reset. |
| 733 | */ |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 734 | hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 735 | if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) { |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 736 | /* Enable Tx Atlas so packets can be transmitted again */ |
| 737 | hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, |
| 738 | &analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 739 | analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 740 | hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, |
| 741 | analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 742 | |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 743 | hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, |
| 744 | &analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 745 | analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 746 | hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, |
| 747 | analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 748 | |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 749 | hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, |
| 750 | &analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 751 | analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 752 | hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, |
| 753 | analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 754 | |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 755 | hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, |
| 756 | &analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 757 | analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 758 | hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, |
| 759 | analog_val); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | /* Reset PHY */ |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 763 | if (hw->phy.reset_disable == false) { |
| 764 | /* PHY ops must be identified and initialized prior to reset */ |
| 765 | |
| 766 | /* Init PHY and function pointers, perform SFP setup */ |
Don Skidmore | 8ca783a | 2009-05-26 20:40:47 -0700 | [diff] [blame] | 767 | phy_status = hw->phy.ops.init(hw); |
| 768 | if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED) |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 769 | goto reset_hw_out; |
Emil Tantilov | ff9d1a5 | 2011-08-16 04:35:11 +0000 | [diff] [blame] | 770 | if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT) |
| 771 | goto mac_reset_top; |
Don Skidmore | 8ca783a | 2009-05-26 20:40:47 -0700 | [diff] [blame] | 772 | |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 773 | hw->phy.ops.reset(hw); |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 774 | } |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 775 | |
Emil Tantilov | a4297dc | 2011-02-14 08:45:13 +0000 | [diff] [blame] | 776 | mac_reset_top: |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 777 | /* |
| 778 | * Issue global reset to the MAC. This needs to be a SW reset. |
| 779 | * If link reset is used, it might reset the MAC when mng is using it |
| 780 | */ |
Alexander Duyck | 8132b54 | 2011-07-15 07:29:44 +0000 | [diff] [blame] | 781 | ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL) | IXGBE_CTRL_RST; |
| 782 | IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 783 | IXGBE_WRITE_FLUSH(hw); |
| 784 | |
| 785 | /* Poll for reset bit to self-clear indicating reset is complete */ |
| 786 | for (i = 0; i < 10; i++) { |
| 787 | udelay(1); |
| 788 | ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); |
| 789 | if (!(ctrl & IXGBE_CTRL_RST)) |
| 790 | break; |
| 791 | } |
| 792 | if (ctrl & IXGBE_CTRL_RST) { |
| 793 | status = IXGBE_ERR_RESET_FAILED; |
| 794 | hw_dbg(hw, "Reset polling failed to complete.\n"); |
| 795 | } |
| 796 | |
Alexander Duyck | 8132b54 | 2011-07-15 07:29:44 +0000 | [diff] [blame] | 797 | msleep(50); |
| 798 | |
Emil Tantilov | a4297dc | 2011-02-14 08:45:13 +0000 | [diff] [blame] | 799 | /* |
| 800 | * Double resets are required for recovery from certain error |
| 801 | * conditions. Between resets, it is necessary to stall to allow time |
Alexander Duyck | 8132b54 | 2011-07-15 07:29:44 +0000 | [diff] [blame] | 802 | * for any pending HW events to complete. |
Emil Tantilov | a4297dc | 2011-02-14 08:45:13 +0000 | [diff] [blame] | 803 | */ |
| 804 | if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) { |
| 805 | hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; |
Emil Tantilov | a4297dc | 2011-02-14 08:45:13 +0000 | [diff] [blame] | 806 | goto mac_reset_top; |
| 807 | } |
| 808 | |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 809 | gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR); |
| 810 | gheccr &= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6)); |
| 811 | IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr); |
| 812 | |
| 813 | /* |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 814 | * Store the original AUTOC value if it has not been |
| 815 | * stored off yet. Otherwise restore the stored original |
| 816 | * AUTOC value since the reset operation sets back to deaults. |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 817 | */ |
| 818 | autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
Peter P Waskiewicz Jr | 3201d31 | 2009-02-05 23:54:21 -0800 | [diff] [blame] | 819 | if (hw->mac.orig_link_settings_stored == false) { |
| 820 | hw->mac.orig_autoc = autoc; |
| 821 | hw->mac.orig_link_settings_stored = true; |
| 822 | } else if (autoc != hw->mac.orig_autoc) { |
| 823 | IXGBE_WRITE_REG(hw, IXGBE_AUTOC, hw->mac.orig_autoc); |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 824 | } |
| 825 | |
Emil Tantilov | 278675d | 2011-02-19 08:43:49 +0000 | [diff] [blame] | 826 | /* Store the permanent mac address */ |
| 827 | hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr); |
| 828 | |
Waskiewicz Jr, Peter P | aca6bee | 2009-05-17 12:32:48 +0000 | [diff] [blame] | 829 | /* |
| 830 | * Store MAC address from RAR0, clear receive address registers, and |
| 831 | * clear the multicast table |
| 832 | */ |
| 833 | hw->mac.ops.init_rx_addrs(hw); |
| 834 | |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 835 | reset_hw_out: |
Don Skidmore | 8ca783a | 2009-05-26 20:40:47 -0700 | [diff] [blame] | 836 | if (phy_status) |
| 837 | status = phy_status; |
| 838 | |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 839 | return status; |
| 840 | } |
| 841 | |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 842 | /** |
| 843 | * ixgbe_set_vmdq_82598 - Associate a VMDq set index with a rx address |
| 844 | * @hw: pointer to hardware struct |
| 845 | * @rar: receive address register index to associate with a VMDq index |
| 846 | * @vmdq: VMDq set index |
| 847 | **/ |
Hannes Eder | e855aac | 2008-12-26 00:03:59 -0800 | [diff] [blame] | 848 | static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 849 | { |
| 850 | u32 rar_high; |
Emil Tantilov | c700f4e | 2011-02-17 11:34:58 +0000 | [diff] [blame] | 851 | u32 rar_entries = hw->mac.num_rar_entries; |
| 852 | |
| 853 | /* Make sure we are using a valid rar index range */ |
| 854 | if (rar >= rar_entries) { |
| 855 | hw_dbg(hw, "RAR index %d is out of range.\n", rar); |
| 856 | return IXGBE_ERR_INVALID_ARGUMENT; |
| 857 | } |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 858 | |
| 859 | rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); |
| 860 | rar_high &= ~IXGBE_RAH_VIND_MASK; |
| 861 | rar_high |= ((vmdq << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK); |
| 862 | IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); |
| 863 | return 0; |
| 864 | } |
| 865 | |
| 866 | /** |
| 867 | * ixgbe_clear_vmdq_82598 - Disassociate a VMDq set index from an rx address |
| 868 | * @hw: pointer to hardware struct |
| 869 | * @rar: receive address register index to associate with a VMDq index |
| 870 | * @vmdq: VMDq clear index (not used in 82598, but elsewhere) |
| 871 | **/ |
| 872 | static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq) |
| 873 | { |
| 874 | u32 rar_high; |
| 875 | u32 rar_entries = hw->mac.num_rar_entries; |
| 876 | |
Emil Tantilov | c700f4e | 2011-02-17 11:34:58 +0000 | [diff] [blame] | 877 | |
| 878 | /* Make sure we are using a valid rar index range */ |
| 879 | if (rar >= rar_entries) { |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 880 | hw_dbg(hw, "RAR index %d is out of range.\n", rar); |
Emil Tantilov | c700f4e | 2011-02-17 11:34:58 +0000 | [diff] [blame] | 881 | return IXGBE_ERR_INVALID_ARGUMENT; |
| 882 | } |
| 883 | |
| 884 | rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar)); |
| 885 | if (rar_high & IXGBE_RAH_VIND_MASK) { |
| 886 | rar_high &= ~IXGBE_RAH_VIND_MASK; |
| 887 | IXGBE_WRITE_REG(hw, IXGBE_RAH(rar), rar_high); |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | return 0; |
| 891 | } |
| 892 | |
| 893 | /** |
| 894 | * ixgbe_set_vfta_82598 - Set VLAN filter table |
| 895 | * @hw: pointer to hardware structure |
| 896 | * @vlan: VLAN id to write to VLAN filter |
| 897 | * @vind: VMDq output index that maps queue to VLAN id in VFTA |
| 898 | * @vlan_on: boolean flag to turn on/off VLAN in VFTA |
| 899 | * |
| 900 | * Turn on/off specified VLAN in the VLAN filter table. |
| 901 | **/ |
Hannes Eder | e855aac | 2008-12-26 00:03:59 -0800 | [diff] [blame] | 902 | static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind, |
| 903 | bool vlan_on) |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 904 | { |
| 905 | u32 regindex; |
| 906 | u32 bitindex; |
| 907 | u32 bits; |
| 908 | u32 vftabyte; |
| 909 | |
| 910 | if (vlan > 4095) |
| 911 | return IXGBE_ERR_PARAM; |
| 912 | |
| 913 | /* Determine 32-bit word position in array */ |
| 914 | regindex = (vlan >> 5) & 0x7F; /* upper seven bits */ |
| 915 | |
| 916 | /* Determine the location of the (VMD) queue index */ |
| 917 | vftabyte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */ |
| 918 | bitindex = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */ |
| 919 | |
| 920 | /* Set the nibble for VMD queue index */ |
| 921 | bits = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex)); |
| 922 | bits &= (~(0x0F << bitindex)); |
| 923 | bits |= (vind << bitindex); |
| 924 | IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vftabyte, regindex), bits); |
| 925 | |
| 926 | /* Determine the location of the bit for this VLAN id */ |
| 927 | bitindex = vlan & 0x1F; /* lower five bits */ |
| 928 | |
| 929 | bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex)); |
| 930 | if (vlan_on) |
| 931 | /* Turn on this VLAN id */ |
| 932 | bits |= (1 << bitindex); |
| 933 | else |
| 934 | /* Turn off this VLAN id */ |
| 935 | bits &= ~(1 << bitindex); |
| 936 | IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits); |
| 937 | |
| 938 | return 0; |
| 939 | } |
| 940 | |
| 941 | /** |
| 942 | * ixgbe_clear_vfta_82598 - Clear VLAN filter table |
| 943 | * @hw: pointer to hardware structure |
| 944 | * |
| 945 | * Clears the VLAN filer table, and the VMDq index associated with the filter |
| 946 | **/ |
| 947 | static s32 ixgbe_clear_vfta_82598(struct ixgbe_hw *hw) |
| 948 | { |
| 949 | u32 offset; |
| 950 | u32 vlanbyte; |
| 951 | |
| 952 | for (offset = 0; offset < hw->mac.vft_size; offset++) |
| 953 | IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0); |
| 954 | |
| 955 | for (vlanbyte = 0; vlanbyte < 4; vlanbyte++) |
| 956 | for (offset = 0; offset < hw->mac.vft_size; offset++) |
| 957 | IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset), |
Peter P Waskiewicz | b461724 | 2008-09-11 20:04:46 -0700 | [diff] [blame] | 958 | 0); |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 959 | |
| 960 | return 0; |
| 961 | } |
| 962 | |
| 963 | /** |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 964 | * ixgbe_read_analog_reg8_82598 - Reads 8 bit Atlas analog register |
| 965 | * @hw: pointer to hardware structure |
| 966 | * @reg: analog register to read |
| 967 | * @val: read value |
| 968 | * |
| 969 | * Performs read operation to Atlas analog register specified. |
| 970 | **/ |
Hannes Eder | e855aac | 2008-12-26 00:03:59 -0800 | [diff] [blame] | 971 | static s32 ixgbe_read_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 *val) |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 972 | { |
| 973 | u32 atlas_ctl; |
| 974 | |
| 975 | IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, |
| 976 | IXGBE_ATLASCTL_WRITE_CMD | (reg << 8)); |
| 977 | IXGBE_WRITE_FLUSH(hw); |
| 978 | udelay(10); |
| 979 | atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL); |
| 980 | *val = (u8)atlas_ctl; |
| 981 | |
| 982 | return 0; |
| 983 | } |
| 984 | |
| 985 | /** |
| 986 | * ixgbe_write_analog_reg8_82598 - Writes 8 bit Atlas analog register |
| 987 | * @hw: pointer to hardware structure |
| 988 | * @reg: atlas register to write |
| 989 | * @val: value to write |
| 990 | * |
| 991 | * Performs write operation to Atlas analog register specified. |
| 992 | **/ |
Hannes Eder | e855aac | 2008-12-26 00:03:59 -0800 | [diff] [blame] | 993 | static s32 ixgbe_write_analog_reg8_82598(struct ixgbe_hw *hw, u32 reg, u8 val) |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 994 | { |
| 995 | u32 atlas_ctl; |
| 996 | |
| 997 | atlas_ctl = (reg << 8) | val; |
| 998 | IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl); |
| 999 | IXGBE_WRITE_FLUSH(hw); |
| 1000 | udelay(10); |
| 1001 | |
| 1002 | return 0; |
| 1003 | } |
| 1004 | |
| 1005 | /** |
Emil Tantilov | 07ce870 | 2012-12-19 07:14:17 +0000 | [diff] [blame] | 1006 | * ixgbe_read_i2c_phy_82598 - Reads 8 bit word over I2C interface. |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1007 | * @hw: pointer to hardware structure |
Emil Tantilov | 07ce870 | 2012-12-19 07:14:17 +0000 | [diff] [blame] | 1008 | * @dev_addr: address to read from |
| 1009 | * @byte_offset: byte offset to read from dev_addr |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1010 | * @eeprom_data: value read |
| 1011 | * |
Emil Tantilov | 07ce870 | 2012-12-19 07:14:17 +0000 | [diff] [blame] | 1012 | * Performs 8 byte read operation to SFP module's data over I2C interface. |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1013 | **/ |
Emil Tantilov | 07ce870 | 2012-12-19 07:14:17 +0000 | [diff] [blame] | 1014 | static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr, |
| 1015 | u8 byte_offset, u8 *eeprom_data) |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1016 | { |
| 1017 | s32 status = 0; |
| 1018 | u16 sfp_addr = 0; |
| 1019 | u16 sfp_data = 0; |
| 1020 | u16 sfp_stat = 0; |
| 1021 | u32 i; |
| 1022 | |
| 1023 | if (hw->phy.type == ixgbe_phy_nl) { |
| 1024 | /* |
| 1025 | * phy SDA/SCL registers are at addresses 0xC30A to |
| 1026 | * 0xC30D. These registers are used to talk to the SFP+ |
| 1027 | * module's EEPROM through the SDA/SCL (I2C) interface. |
| 1028 | */ |
Emil Tantilov | 07ce870 | 2012-12-19 07:14:17 +0000 | [diff] [blame] | 1029 | sfp_addr = (dev_addr << 8) + byte_offset; |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1030 | sfp_addr = (sfp_addr | IXGBE_I2C_EEPROM_READ_MASK); |
| 1031 | hw->phy.ops.write_reg(hw, |
| 1032 | IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR, |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 1033 | MDIO_MMD_PMAPMD, |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1034 | sfp_addr); |
| 1035 | |
| 1036 | /* Poll status */ |
| 1037 | for (i = 0; i < 100; i++) { |
| 1038 | hw->phy.ops.read_reg(hw, |
| 1039 | IXGBE_MDIO_PMA_PMD_SDA_SCL_STAT, |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 1040 | MDIO_MMD_PMAPMD, |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1041 | &sfp_stat); |
| 1042 | sfp_stat = sfp_stat & IXGBE_I2C_EEPROM_STATUS_MASK; |
| 1043 | if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS) |
| 1044 | break; |
Don Skidmore | 032b432 | 2011-03-18 09:32:53 +0000 | [diff] [blame] | 1045 | usleep_range(10000, 20000); |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1046 | } |
| 1047 | |
| 1048 | if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) { |
| 1049 | hw_dbg(hw, "EEPROM read did not pass.\n"); |
| 1050 | status = IXGBE_ERR_SFP_NOT_PRESENT; |
| 1051 | goto out; |
| 1052 | } |
| 1053 | |
| 1054 | /* Read data */ |
| 1055 | hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA, |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 1056 | MDIO_MMD_PMAPMD, &sfp_data); |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1057 | |
| 1058 | *eeprom_data = (u8)(sfp_data >> 8); |
| 1059 | } else { |
| 1060 | status = IXGBE_ERR_PHY; |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | out: |
| 1064 | return status; |
| 1065 | } |
| 1066 | |
| 1067 | /** |
Emil Tantilov | 07ce870 | 2012-12-19 07:14:17 +0000 | [diff] [blame] | 1068 | * ixgbe_read_i2c_eeprom_82598 - Reads 8 bit word over I2C interface. |
| 1069 | * @hw: pointer to hardware structure |
| 1070 | * @byte_offset: EEPROM byte offset to read |
| 1071 | * @eeprom_data: value read |
| 1072 | * |
| 1073 | * Performs 8 byte read operation to SFP module's EEPROM over I2C interface. |
| 1074 | **/ |
| 1075 | static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, |
| 1076 | u8 *eeprom_data) |
| 1077 | { |
| 1078 | return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR, |
| 1079 | byte_offset, eeprom_data); |
| 1080 | } |
| 1081 | |
| 1082 | /** |
| 1083 | * ixgbe_read_i2c_sff8472_82598 - Reads 8 bit word over I2C interface. |
| 1084 | * @hw: pointer to hardware structure |
| 1085 | * @byte_offset: byte offset at address 0xA2 |
| 1086 | * @eeprom_data: value read |
| 1087 | * |
| 1088 | * Performs 8 byte read operation to SFP module's SFF-8472 data over I2C |
| 1089 | **/ |
| 1090 | static s32 ixgbe_read_i2c_sff8472_82598(struct ixgbe_hw *hw, u8 byte_offset, |
| 1091 | u8 *sff8472_data) |
| 1092 | { |
| 1093 | return ixgbe_read_i2c_phy_82598(hw, IXGBE_I2C_EEPROM_DEV_ADDR2, |
| 1094 | byte_offset, sff8472_data); |
| 1095 | } |
| 1096 | |
| 1097 | /** |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1098 | * ixgbe_get_supported_physical_layer_82598 - Returns physical layer type |
| 1099 | * @hw: pointer to hardware structure |
| 1100 | * |
| 1101 | * Determines physical layer capabilities of the current configuration. |
| 1102 | **/ |
PJ Waskiewicz | 11afc1b | 2009-02-27 15:44:30 +0000 | [diff] [blame] | 1103 | static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw) |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1104 | { |
PJ Waskiewicz | 11afc1b | 2009-02-27 15:44:30 +0000 | [diff] [blame] | 1105 | u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1106 | u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC); |
| 1107 | u32 pma_pmd_10g = autoc & IXGBE_AUTOC_10G_PMA_PMD_MASK; |
| 1108 | u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK; |
| 1109 | u16 ext_ability = 0; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1110 | |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1111 | hw->phy.ops.identify(hw); |
| 1112 | |
| 1113 | /* Copper PHY must be checked before AUTOC LMS to determine correct |
| 1114 | * physical layer because 10GBase-T PHYs use LMS = KX4/KX */ |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 1115 | switch (hw->phy.type) { |
| 1116 | case ixgbe_phy_tn: |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 1117 | case ixgbe_phy_cu_unknown: |
| 1118 | hw->phy.ops.read_reg(hw, MDIO_PMA_EXTABLE, |
| 1119 | MDIO_MMD_PMAPMD, &ext_ability); |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 1120 | if (ext_ability & MDIO_PMA_EXTABLE_10GBT) |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1121 | physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T; |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 1122 | if (ext_ability & MDIO_PMA_EXTABLE_1000BT) |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1123 | physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T; |
Ben Hutchings | 6b73e10 | 2009-04-29 08:08:58 +0000 | [diff] [blame] | 1124 | if (ext_ability & MDIO_PMA_EXTABLE_100BTX) |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1125 | physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX; |
| 1126 | goto out; |
Emil Tantilov | 037c6d0 | 2011-02-25 07:49:39 +0000 | [diff] [blame] | 1127 | default: |
| 1128 | break; |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1129 | } |
| 1130 | |
| 1131 | switch (autoc & IXGBE_AUTOC_LMS_MASK) { |
| 1132 | case IXGBE_AUTOC_LMS_1G_AN: |
| 1133 | case IXGBE_AUTOC_LMS_1G_LINK_NO_AN: |
| 1134 | if (pma_pmd_1g == IXGBE_AUTOC_1G_KX) |
| 1135 | physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX; |
| 1136 | else |
| 1137 | physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_BX; |
Don Skidmore | 1e336d0 | 2009-01-26 20:57:51 -0800 | [diff] [blame] | 1138 | break; |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1139 | case IXGBE_AUTOC_LMS_10G_LINK_NO_AN: |
| 1140 | if (pma_pmd_10g == IXGBE_AUTOC_10G_CX4) |
| 1141 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_CX4; |
| 1142 | else if (pma_pmd_10g == IXGBE_AUTOC_10G_KX4) |
| 1143 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4; |
| 1144 | else /* XAUI */ |
| 1145 | physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1146 | break; |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1147 | case IXGBE_AUTOC_LMS_KX4_AN: |
| 1148 | case IXGBE_AUTOC_LMS_KX4_AN_1G_AN: |
| 1149 | if (autoc & IXGBE_AUTOC_KX_SUPP) |
| 1150 | physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_KX; |
| 1151 | if (autoc & IXGBE_AUTOC_KX4_SUPP) |
| 1152 | physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_KX4; |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1153 | break; |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1154 | default: |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1155 | break; |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1156 | } |
| 1157 | |
| 1158 | if (hw->phy.type == ixgbe_phy_nl) { |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1159 | hw->phy.ops.identify_sfp(hw); |
| 1160 | |
| 1161 | switch (hw->phy.sfp_type) { |
| 1162 | case ixgbe_sfp_type_da_cu: |
| 1163 | physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; |
| 1164 | break; |
| 1165 | case ixgbe_sfp_type_sr: |
| 1166 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; |
| 1167 | break; |
| 1168 | case ixgbe_sfp_type_lr: |
| 1169 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; |
| 1170 | break; |
| 1171 | default: |
| 1172 | physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN; |
| 1173 | break; |
| 1174 | } |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1175 | } |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1176 | |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1177 | switch (hw->device_id) { |
| 1178 | case IXGBE_DEV_ID_82598_DA_DUAL_PORT: |
| 1179 | physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU; |
| 1180 | break; |
| 1181 | case IXGBE_DEV_ID_82598AF_DUAL_PORT: |
| 1182 | case IXGBE_DEV_ID_82598AF_SINGLE_PORT: |
| 1183 | case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM: |
| 1184 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR; |
| 1185 | break; |
| 1186 | case IXGBE_DEV_ID_82598EB_XF_LR: |
| 1187 | physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR; |
| 1188 | break; |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1189 | default: |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1190 | break; |
| 1191 | } |
| 1192 | |
Peter P Waskiewicz Jr | 0419305 | 2009-04-09 22:28:50 +0000 | [diff] [blame] | 1193 | out: |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1194 | return physical_layer; |
| 1195 | } |
| 1196 | |
Emil Tantilov | c913018 | 2011-03-16 01:55:55 +0000 | [diff] [blame] | 1197 | /** |
| 1198 | * ixgbe_set_lan_id_multi_port_pcie_82598 - Set LAN id for PCIe multiple |
| 1199 | * port devices. |
| 1200 | * @hw: pointer to the HW structure |
| 1201 | * |
| 1202 | * Calls common function and corrects issue with some single port devices |
| 1203 | * that enable LAN1 but not LAN0. |
| 1204 | **/ |
| 1205 | static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw) |
| 1206 | { |
| 1207 | struct ixgbe_bus_info *bus = &hw->bus; |
| 1208 | u16 pci_gen = 0; |
| 1209 | u16 pci_ctrl2 = 0; |
| 1210 | |
| 1211 | ixgbe_set_lan_id_multi_port_pcie(hw); |
| 1212 | |
| 1213 | /* check if LAN0 is disabled */ |
| 1214 | hw->eeprom.ops.read(hw, IXGBE_PCIE_GENERAL_PTR, &pci_gen); |
| 1215 | if ((pci_gen != 0) && (pci_gen != 0xFFFF)) { |
| 1216 | |
| 1217 | hw->eeprom.ops.read(hw, pci_gen + IXGBE_PCIE_CTRL2, &pci_ctrl2); |
| 1218 | |
| 1219 | /* if LAN0 is completely disabled force function to 0 */ |
| 1220 | if ((pci_ctrl2 & IXGBE_PCIE_CTRL2_LAN_DISABLE) && |
| 1221 | !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DISABLE_SELECT) && |
| 1222 | !(pci_ctrl2 & IXGBE_PCIE_CTRL2_DUMMY_ENABLE)) { |
| 1223 | |
| 1224 | bus->func = 0; |
| 1225 | } |
| 1226 | } |
| 1227 | } |
| 1228 | |
John Fastabend | 80605c65 | 2011-05-02 12:34:10 +0000 | [diff] [blame] | 1229 | /** |
| 1230 | * ixgbe_set_rxpba_82598 - Configure packet buffers |
| 1231 | * @hw: pointer to hardware structure |
| 1232 | * @dcb_config: pointer to ixgbe_dcb_config structure |
| 1233 | * |
| 1234 | * Configure packet buffers. |
| 1235 | */ |
| 1236 | static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb, u32 headroom, |
| 1237 | int strategy) |
| 1238 | { |
| 1239 | u32 rxpktsize = IXGBE_RXPBSIZE_64KB; |
| 1240 | u8 i = 0; |
| 1241 | |
| 1242 | if (!num_pb) |
| 1243 | return; |
| 1244 | |
| 1245 | /* Setup Rx packet buffer sizes */ |
| 1246 | switch (strategy) { |
| 1247 | case PBA_STRATEGY_WEIGHTED: |
| 1248 | /* Setup the first four at 80KB */ |
| 1249 | rxpktsize = IXGBE_RXPBSIZE_80KB; |
| 1250 | for (; i < 4; i++) |
| 1251 | IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize); |
| 1252 | /* Setup the last four at 48KB...don't re-init i */ |
| 1253 | rxpktsize = IXGBE_RXPBSIZE_48KB; |
| 1254 | /* Fall Through */ |
| 1255 | case PBA_STRATEGY_EQUAL: |
| 1256 | default: |
| 1257 | /* Divide the remaining Rx packet buffer evenly among the TCs */ |
| 1258 | for (; i < IXGBE_MAX_PACKET_BUFFERS; i++) |
| 1259 | IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize); |
| 1260 | break; |
| 1261 | } |
| 1262 | |
| 1263 | /* Setup Tx packet buffer sizes */ |
| 1264 | for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) |
| 1265 | IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB); |
| 1266 | |
| 1267 | return; |
| 1268 | } |
| 1269 | |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 1270 | static struct ixgbe_mac_operations mac_ops_82598 = { |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1271 | .init_hw = &ixgbe_init_hw_generic, |
| 1272 | .reset_hw = &ixgbe_reset_hw_82598, |
Mallikarjuna R Chilakala | 202ff1e | 2009-08-03 07:20:38 +0000 | [diff] [blame] | 1273 | .start_hw = &ixgbe_start_hw_82598, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1274 | .clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 1275 | .get_media_type = &ixgbe_get_media_type_82598, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1276 | .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598, |
PJ Waskiewicz | 11afc1b | 2009-02-27 15:44:30 +0000 | [diff] [blame] | 1277 | .enable_rx_dma = &ixgbe_enable_rx_dma_generic, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1278 | .get_mac_addr = &ixgbe_get_mac_addr_generic, |
| 1279 | .stop_adapter = &ixgbe_stop_adapter_generic, |
PJ Waskiewicz | 11afc1b | 2009-02-27 15:44:30 +0000 | [diff] [blame] | 1280 | .get_bus_info = &ixgbe_get_bus_info_generic, |
Emil Tantilov | c913018 | 2011-03-16 01:55:55 +0000 | [diff] [blame] | 1281 | .set_lan_id = &ixgbe_set_lan_id_multi_port_pcie_82598, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1282 | .read_analog_reg8 = &ixgbe_read_analog_reg8_82598, |
| 1283 | .write_analog_reg8 = &ixgbe_write_analog_reg8_82598, |
Auke Kok | 3957d63 | 2007-10-31 15:22:10 -0700 | [diff] [blame] | 1284 | .setup_link = &ixgbe_setup_mac_link_82598, |
John Fastabend | 80605c65 | 2011-05-02 12:34:10 +0000 | [diff] [blame] | 1285 | .set_rxpba = &ixgbe_set_rxpba_82598, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1286 | .check_link = &ixgbe_check_mac_link_82598, |
| 1287 | .get_link_capabilities = &ixgbe_get_link_capabilities_82598, |
| 1288 | .led_on = &ixgbe_led_on_generic, |
| 1289 | .led_off = &ixgbe_led_off_generic, |
PJ Waskiewicz | 87c1201 | 2009-04-08 13:20:31 +0000 | [diff] [blame] | 1290 | .blink_led_start = &ixgbe_blink_led_start_generic, |
| 1291 | .blink_led_stop = &ixgbe_blink_led_stop_generic, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1292 | .set_rar = &ixgbe_set_rar_generic, |
| 1293 | .clear_rar = &ixgbe_clear_rar_generic, |
| 1294 | .set_vmdq = &ixgbe_set_vmdq_82598, |
| 1295 | .clear_vmdq = &ixgbe_clear_vmdq_82598, |
| 1296 | .init_rx_addrs = &ixgbe_init_rx_addrs_generic, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1297 | .update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, |
| 1298 | .enable_mc = &ixgbe_enable_mc_generic, |
| 1299 | .disable_mc = &ixgbe_disable_mc_generic, |
| 1300 | .clear_vfta = &ixgbe_clear_vfta_82598, |
| 1301 | .set_vfta = &ixgbe_set_vfta_82598, |
Mallikarjuna R Chilakala | 620fa03 | 2009-06-04 11:11:13 +0000 | [diff] [blame] | 1302 | .fc_enable = &ixgbe_fc_enable_82598, |
Emil Tantilov | 9612de9 | 2011-05-07 07:40:20 +0000 | [diff] [blame] | 1303 | .set_fw_drv_ver = NULL, |
Don Skidmore | 5e65510 | 2011-02-25 01:58:04 +0000 | [diff] [blame] | 1304 | .acquire_swfw_sync = &ixgbe_acquire_swfw_sync, |
| 1305 | .release_swfw_sync = &ixgbe_release_swfw_sync, |
Don Skidmore | 3ca8bc6 | 2012-04-12 00:33:31 +0000 | [diff] [blame] | 1306 | .get_thermal_sensor_data = NULL, |
| 1307 | .init_thermal_sensor_thresh = NULL, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1308 | }; |
| 1309 | |
| 1310 | static struct ixgbe_eeprom_operations eeprom_ops_82598 = { |
| 1311 | .init_params = &ixgbe_init_eeprom_params_generic, |
Mallikarjuna R Chilakala | 21ce849 | 2010-05-13 17:33:41 +0000 | [diff] [blame] | 1312 | .read = &ixgbe_read_eerd_generic, |
Emil Tantilov | 2fa5eef | 2011-10-06 08:57:04 +0000 | [diff] [blame] | 1313 | .write = &ixgbe_write_eeprom_generic, |
| 1314 | .write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic, |
Emil Tantilov | 68c7005 | 2011-04-20 08:49:06 +0000 | [diff] [blame] | 1315 | .read_buffer = &ixgbe_read_eerd_buffer_generic, |
Don Skidmore | a391f1d | 2010-11-16 19:27:15 -0800 | [diff] [blame] | 1316 | .calc_checksum = &ixgbe_calc_eeprom_checksum_generic, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1317 | .validate_checksum = &ixgbe_validate_eeprom_checksum_generic, |
| 1318 | .update_checksum = &ixgbe_update_eeprom_checksum_generic, |
| 1319 | }; |
| 1320 | |
| 1321 | static struct ixgbe_phy_operations phy_ops_82598 = { |
| 1322 | .identify = &ixgbe_identify_phy_generic, |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1323 | .identify_sfp = &ixgbe_identify_sfp_module_generic, |
PJ Waskiewicz | 04f165e | 2009-04-09 22:27:57 +0000 | [diff] [blame] | 1324 | .init = &ixgbe_init_phy_ops_82598, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1325 | .reset = &ixgbe_reset_phy_generic, |
| 1326 | .read_reg = &ixgbe_read_phy_reg_generic, |
| 1327 | .write_reg = &ixgbe_write_phy_reg_generic, |
| 1328 | .setup_link = &ixgbe_setup_phy_link_generic, |
| 1329 | .setup_link_speed = &ixgbe_setup_phy_link_speed_generic, |
Emil Tantilov | 07ce870 | 2012-12-19 07:14:17 +0000 | [diff] [blame] | 1330 | .read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_82598, |
Donald Skidmore | c4900be | 2008-11-20 21:11:42 -0800 | [diff] [blame] | 1331 | .read_i2c_eeprom = &ixgbe_read_i2c_eeprom_82598, |
Mallikarjuna R Chilakala | 119fc60 | 2010-05-20 23:07:06 -0700 | [diff] [blame] | 1332 | .check_overtemp = &ixgbe_tn_check_overtemp, |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 1333 | }; |
| 1334 | |
Auke Kok | 3957d63 | 2007-10-31 15:22:10 -0700 | [diff] [blame] | 1335 | struct ixgbe_info ixgbe_82598_info = { |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 1336 | .mac = ixgbe_mac_82598EB, |
| 1337 | .get_invariants = &ixgbe_get_invariants_82598, |
| 1338 | .mac_ops = &mac_ops_82598, |
Jesse Brandeburg | c44ade9 | 2008-09-11 19:59:59 -0700 | [diff] [blame] | 1339 | .eeprom_ops = &eeprom_ops_82598, |
| 1340 | .phy_ops = &phy_ops_82598, |
Auke Kok | 9a799d7 | 2007-09-15 14:07:45 -0700 | [diff] [blame] | 1341 | }; |