Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel 10 Gigabit PCI Express Linux driver |
Shannon Nelson | 8c47eaa | 2010-01-13 01:49:34 +0000 | [diff] [blame] | 4 | Copyright(c) 1999 - 2010 Intel Corporation. |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [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: |
| 23 | Linux NICS <linux.nics@intel.com> |
| 24 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 25 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 26 | |
| 27 | *******************************************************************************/ |
| 28 | |
| 29 | #include "ixgbe.h" |
| 30 | #include <linux/dcbnl.h> |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 31 | #include "ixgbe_dcb_82598.h" |
| 32 | #include "ixgbe_dcb_82599.h" |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 33 | |
| 34 | /* Callbacks for DCB netlink in the kernel */ |
| 35 | #define BIT_DCB_MODE 0x01 |
| 36 | #define BIT_PFC 0x02 |
| 37 | #define BIT_PG_RX 0x04 |
| 38 | #define BIT_PG_TX 0x08 |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 39 | #define BIT_APP_UPCHG 0x10 |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 40 | #define BIT_RESETLINK 0x40 |
PJ Waskiewicz | 235ea82 | 2009-02-27 15:44:48 +0000 | [diff] [blame] | 41 | #define BIT_LINKSPEED 0x80 |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 42 | |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 43 | /* Responses for the DCB_C_SET_ALL command */ |
| 44 | #define DCB_HW_CHG_RST 0 /* DCB configuration changed with reset */ |
| 45 | #define DCB_NO_HW_CHG 1 /* DCB configuration did not change */ |
| 46 | #define DCB_HW_CHG 2 /* DCB configuration changed, no reset */ |
| 47 | |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 48 | int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, |
| 49 | struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max) |
| 50 | { |
| 51 | struct tc_configuration *src_tc_cfg = NULL; |
| 52 | struct tc_configuration *dst_tc_cfg = NULL; |
| 53 | int i; |
| 54 | |
| 55 | if (!src_dcb_cfg || !dst_dcb_cfg) |
| 56 | return -EINVAL; |
| 57 | |
| 58 | for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) { |
| 59 | src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; |
| 60 | dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0]; |
| 61 | |
| 62 | dst_tc_cfg->path[DCB_TX_CONFIG].prio_type = |
| 63 | src_tc_cfg->path[DCB_TX_CONFIG].prio_type; |
| 64 | |
| 65 | dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id = |
| 66 | src_tc_cfg->path[DCB_TX_CONFIG].bwg_id; |
| 67 | |
| 68 | dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent = |
| 69 | src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent; |
| 70 | |
| 71 | dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap = |
| 72 | src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap; |
| 73 | |
| 74 | dst_tc_cfg->path[DCB_RX_CONFIG].prio_type = |
| 75 | src_tc_cfg->path[DCB_RX_CONFIG].prio_type; |
| 76 | |
| 77 | dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id = |
| 78 | src_tc_cfg->path[DCB_RX_CONFIG].bwg_id; |
| 79 | |
| 80 | dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent = |
| 81 | src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent; |
| 82 | |
| 83 | dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap = |
| 84 | src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap; |
| 85 | } |
| 86 | |
| 87 | for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) { |
| 88 | dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG] |
| 89 | [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage |
| 90 | [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; |
| 91 | dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG] |
| 92 | [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage |
| 93 | [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0]; |
| 94 | } |
| 95 | |
| 96 | for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) { |
| 97 | dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc = |
| 98 | src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc; |
| 99 | } |
| 100 | |
PJ Waskiewicz | ea4af4f | 2009-03-31 21:33:25 +0000 | [diff] [blame] | 101 | dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable; |
| 102 | |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) |
| 107 | { |
| 108 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 109 | |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 110 | return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED); |
| 111 | } |
| 112 | |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 113 | static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 114 | { |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 115 | u8 err = 0; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 116 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 117 | |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 118 | if (state > 0) { |
| 119 | /* Turn on DCB */ |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 120 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) |
| 121 | goto out; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 122 | |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 123 | if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) { |
Emil Tantilov | 396e799 | 2010-07-01 20:05:12 +0000 | [diff] [blame] | 124 | e_err(drv, "Enable failed, needs MSI-X\n"); |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 125 | err = 1; |
| 126 | goto out; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 127 | } |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 128 | |
| 129 | if (netif_running(netdev)) |
| 130 | netdev->netdev_ops->ndo_stop(netdev); |
Alexander Duyck | 7a921c9 | 2009-05-06 10:43:28 +0000 | [diff] [blame] | 131 | ixgbe_clear_interrupt_scheme(adapter); |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 132 | |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 133 | adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; |
| 134 | switch (adapter->hw.mac.type) { |
| 135 | case ixgbe_mac_82598EB: |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 136 | adapter->last_lfc_mode = adapter->hw.fc.current_mode; |
| 137 | adapter->hw.fc.requested_mode = ixgbe_fc_none; |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 138 | break; |
| 139 | case ixgbe_mac_82599EB: |
| 140 | case ixgbe_mac_X540: |
Yi Zou | 8faa2a7 | 2009-07-09 02:29:50 +0000 | [diff] [blame] | 141 | adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; |
| 142 | adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 143 | break; |
| 144 | default: |
| 145 | break; |
Yi Zou | 8faa2a7 | 2009-07-09 02:29:50 +0000 | [diff] [blame] | 146 | } |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 147 | |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 148 | adapter->flags |= IXGBE_FLAG_DCB_ENABLED; |
| 149 | ixgbe_init_interrupt_scheme(adapter); |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 150 | if (netif_running(netdev)) |
| 151 | netdev->netdev_ops->ndo_open(netdev); |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 152 | } else { |
| 153 | /* Turn off DCB */ |
| 154 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { |
| 155 | if (netif_running(netdev)) |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 156 | netdev->netdev_ops->ndo_stop(netdev); |
Alexander Duyck | 7a921c9 | 2009-05-06 10:43:28 +0000 | [diff] [blame] | 157 | ixgbe_clear_interrupt_scheme(adapter); |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 158 | |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 159 | adapter->hw.fc.requested_mode = adapter->last_lfc_mode; |
| 160 | adapter->temp_dcb_cfg.pfc_mode_enable = false; |
| 161 | adapter->dcb_cfg.pfc_mode_enable = false; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 162 | adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED; |
| 163 | adapter->flags |= IXGBE_FLAG_RSS_ENABLED; |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 164 | switch (adapter->hw.mac.type) { |
| 165 | case ixgbe_mac_82599EB: |
| 166 | case ixgbe_mac_X540: |
Yi Zou | 8faa2a7 | 2009-07-09 02:29:50 +0000 | [diff] [blame] | 167 | adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 168 | break; |
| 169 | default: |
| 170 | break; |
| 171 | } |
Yi Zou | 0d55158 | 2009-07-22 14:07:12 +0000 | [diff] [blame] | 172 | |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 173 | ixgbe_init_interrupt_scheme(adapter); |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 174 | if (netif_running(netdev)) |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 175 | netdev->netdev_ops->ndo_open(netdev); |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 176 | } |
| 177 | } |
Don Skidmore | 1486a61 | 2008-12-21 20:09:50 -0800 | [diff] [blame] | 178 | out: |
| 179 | return err; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev, |
| 183 | u8 *perm_addr) |
| 184 | { |
| 185 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
Waskiewicz Jr, Peter P | aca6bee | 2009-05-17 12:32:48 +0000 | [diff] [blame] | 186 | int i, j; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 187 | |
Lucy Liu | 86e713a | 2009-07-16 13:43:10 +0000 | [diff] [blame] | 188 | memset(perm_addr, 0xff, MAX_ADDR_LEN); |
| 189 | |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 190 | for (i = 0; i < netdev->addr_len; i++) |
| 191 | perm_addr[i] = adapter->hw.mac.perm_addr[i]; |
Waskiewicz Jr, Peter P | aca6bee | 2009-05-17 12:32:48 +0000 | [diff] [blame] | 192 | |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 193 | switch (adapter->hw.mac.type) { |
| 194 | case ixgbe_mac_82599EB: |
| 195 | case ixgbe_mac_X540: |
Waskiewicz Jr, Peter P | aca6bee | 2009-05-17 12:32:48 +0000 | [diff] [blame] | 196 | for (j = 0; j < netdev->addr_len; j++, i++) |
| 197 | perm_addr[i] = adapter->hw.mac.san_addr[j]; |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 198 | break; |
| 199 | default: |
| 200 | break; |
Waskiewicz Jr, Peter P | aca6bee | 2009-05-17 12:32:48 +0000 | [diff] [blame] | 201 | } |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, |
| 205 | u8 prio, u8 bwg_id, u8 bw_pct, |
| 206 | u8 up_map) |
| 207 | { |
| 208 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 209 | |
| 210 | if (prio != DCB_ATTR_VALUE_UNDEFINED) |
| 211 | adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio; |
| 212 | if (bwg_id != DCB_ATTR_VALUE_UNDEFINED) |
| 213 | adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id; |
| 214 | if (bw_pct != DCB_ATTR_VALUE_UNDEFINED) |
| 215 | adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent = |
| 216 | bw_pct; |
| 217 | if (up_map != DCB_ATTR_VALUE_UNDEFINED) |
| 218 | adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap = |
| 219 | up_map; |
| 220 | |
| 221 | if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type != |
| 222 | adapter->dcb_cfg.tc_config[tc].path[0].prio_type) || |
| 223 | (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id != |
| 224 | adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) || |
| 225 | (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent != |
| 226 | adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) || |
| 227 | (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap != |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 228 | adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) { |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 229 | adapter->dcb_set_bitmap |= BIT_PG_TX; |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 230 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
| 231 | } |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, |
| 235 | u8 bw_pct) |
| 236 | { |
| 237 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 238 | |
| 239 | adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct; |
| 240 | |
| 241 | if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] != |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 242 | adapter->dcb_cfg.bw_percentage[0][bwg_id]) { |
John Fastabend | ebe1b30 | 2010-01-27 16:37:44 +0000 | [diff] [blame] | 243 | adapter->dcb_set_bitmap |= BIT_PG_TX; |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 244 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
| 245 | } |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, |
| 249 | u8 prio, u8 bwg_id, u8 bw_pct, |
| 250 | u8 up_map) |
| 251 | { |
| 252 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 253 | |
| 254 | if (prio != DCB_ATTR_VALUE_UNDEFINED) |
| 255 | adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio; |
| 256 | if (bwg_id != DCB_ATTR_VALUE_UNDEFINED) |
| 257 | adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id; |
| 258 | if (bw_pct != DCB_ATTR_VALUE_UNDEFINED) |
| 259 | adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent = |
| 260 | bw_pct; |
| 261 | if (up_map != DCB_ATTR_VALUE_UNDEFINED) |
| 262 | adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap = |
| 263 | up_map; |
| 264 | |
| 265 | if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type != |
| 266 | adapter->dcb_cfg.tc_config[tc].path[1].prio_type) || |
| 267 | (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id != |
| 268 | adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) || |
| 269 | (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent != |
| 270 | adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) || |
| 271 | (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap != |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 272 | adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) { |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 273 | adapter->dcb_set_bitmap |= BIT_PG_RX; |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 274 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
| 275 | } |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, |
| 279 | u8 bw_pct) |
| 280 | { |
| 281 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 282 | |
| 283 | adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct; |
| 284 | |
| 285 | if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] != |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 286 | adapter->dcb_cfg.bw_percentage[1][bwg_id]) { |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 287 | adapter->dcb_set_bitmap |= BIT_PG_RX; |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 288 | adapter->dcb_set_bitmap |= BIT_RESETLINK; |
| 289 | } |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, |
| 293 | u8 *prio, u8 *bwg_id, u8 *bw_pct, |
| 294 | u8 *up_map) |
| 295 | { |
| 296 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 297 | |
| 298 | *prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type; |
| 299 | *bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id; |
| 300 | *bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent; |
| 301 | *up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap; |
| 302 | } |
| 303 | |
| 304 | static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, |
| 305 | u8 *bw_pct) |
| 306 | { |
| 307 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 308 | |
| 309 | *bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id]; |
| 310 | } |
| 311 | |
| 312 | static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc, |
| 313 | u8 *prio, u8 *bwg_id, u8 *bw_pct, |
| 314 | u8 *up_map) |
| 315 | { |
| 316 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 317 | |
| 318 | *prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type; |
| 319 | *bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id; |
| 320 | *bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent; |
| 321 | *up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap; |
| 322 | } |
| 323 | |
| 324 | static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, |
| 325 | u8 *bw_pct) |
| 326 | { |
| 327 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 328 | |
| 329 | *bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id]; |
| 330 | } |
| 331 | |
| 332 | static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, |
| 333 | u8 setting) |
| 334 | { |
| 335 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 336 | |
| 337 | adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting; |
| 338 | if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc != |
PJ Waskiewicz | ea4af4f | 2009-03-31 21:33:25 +0000 | [diff] [blame] | 339 | adapter->dcb_cfg.tc_config[priority].dcb_pfc) { |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 340 | adapter->dcb_set_bitmap |= BIT_PFC; |
PJ Waskiewicz | ea4af4f | 2009-03-31 21:33:25 +0000 | [diff] [blame] | 341 | adapter->temp_dcb_cfg.pfc_mode_enable = true; |
| 342 | } |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, |
| 346 | u8 *setting) |
| 347 | { |
| 348 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 349 | |
| 350 | *setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc; |
| 351 | } |
| 352 | |
| 353 | static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) |
| 354 | { |
| 355 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
John Fastabend | 53bb9f8 | 2011-02-01 02:10:20 +0000 | [diff] [blame^] | 356 | bool do_reset; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 357 | int ret; |
| 358 | |
| 359 | if (!adapter->dcb_set_bitmap) |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 360 | return DCB_NO_HW_CHG; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 361 | |
John Fastabend | 3ce1cc5 | 2010-01-27 16:38:06 +0000 | [diff] [blame] | 362 | ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg, |
| 363 | adapter->ring_feature[RING_F_DCB].indices); |
| 364 | |
| 365 | if (ret) |
| 366 | return DCB_NO_HW_CHG; |
| 367 | |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 368 | /* |
| 369 | * Only take down the adapter if the configuration change |
| 370 | * requires a reset. |
| 371 | */ |
John Fastabend | 53bb9f8 | 2011-02-01 02:10:20 +0000 | [diff] [blame^] | 372 | do_reset = adapter->dcb_set_bitmap & (BIT_RESETLINK | BIT_APP_UPCHG); |
| 373 | |
| 374 | if (do_reset) { |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 375 | while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) |
| 376 | msleep(1); |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 377 | |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 378 | if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { |
| 379 | if (netif_running(netdev)) |
| 380 | netdev->netdev_ops->ndo_stop(netdev); |
| 381 | ixgbe_clear_interrupt_scheme(adapter); |
| 382 | } else { |
| 383 | if (netif_running(netdev)) |
| 384 | ixgbe_down(adapter); |
| 385 | } |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 386 | } |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 387 | |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 388 | if (adapter->dcb_cfg.pfc_mode_enable) { |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 389 | switch (adapter->hw.mac.type) { |
| 390 | case ixgbe_mac_82599EB: |
| 391 | case ixgbe_mac_X540: |
| 392 | if (adapter->hw.fc.current_mode != ixgbe_fc_pfc) |
| 393 | adapter->last_lfc_mode = |
| 394 | adapter->hw.fc.current_mode; |
| 395 | break; |
| 396 | default: |
| 397 | break; |
| 398 | } |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 399 | adapter->hw.fc.requested_mode = ixgbe_fc_pfc; |
| 400 | } else { |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 401 | switch (adapter->hw.mac.type) { |
| 402 | case ixgbe_mac_82598EB: |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 403 | adapter->hw.fc.requested_mode = ixgbe_fc_none; |
Don Skidmore | b93a222 | 2010-11-16 19:27:17 -0800 | [diff] [blame] | 404 | break; |
| 405 | case ixgbe_mac_82599EB: |
| 406 | case ixgbe_mac_X540: |
| 407 | adapter->hw.fc.requested_mode = adapter->last_lfc_mode; |
| 408 | break; |
| 409 | default: |
| 410 | break; |
| 411 | } |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 412 | } |
| 413 | |
John Fastabend | 53bb9f8 | 2011-02-01 02:10:20 +0000 | [diff] [blame^] | 414 | if (do_reset) { |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 415 | if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { |
| 416 | ixgbe_init_interrupt_scheme(adapter); |
| 417 | if (netif_running(netdev)) |
| 418 | netdev->netdev_ops->ndo_open(netdev); |
| 419 | } else { |
| 420 | if (netif_running(netdev)) |
| 421 | ixgbe_up(adapter); |
| 422 | } |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 423 | ret = DCB_HW_CHG_RST; |
| 424 | } else if (adapter->dcb_set_bitmap & BIT_PFC) { |
| 425 | if (adapter->hw.mac.type == ixgbe_mac_82598EB) |
| 426 | ixgbe_dcb_config_pfc_82598(&adapter->hw, |
| 427 | &adapter->dcb_cfg); |
| 428 | else if (adapter->hw.mac.type == ixgbe_mac_82599EB) |
| 429 | ixgbe_dcb_config_pfc_82599(&adapter->hw, |
| 430 | &adapter->dcb_cfg); |
| 431 | ret = DCB_HW_CHG; |
| 432 | } |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 433 | if (adapter->dcb_cfg.pfc_mode_enable) |
| 434 | adapter->hw.fc.current_mode = ixgbe_fc_pfc; |
| 435 | |
John Fastabend | 53bb9f8 | 2011-02-01 02:10:20 +0000 | [diff] [blame^] | 436 | if (do_reset) |
Peter P Waskiewicz Jr | 62551d3 | 2009-05-17 12:35:57 +0000 | [diff] [blame] | 437 | clear_bit(__IXGBE_RESETTING, &adapter->state); |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 438 | adapter->dcb_set_bitmap = 0x00; |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 439 | return ret; |
| 440 | } |
| 441 | |
Alexander Duyck | 4613218 | 2008-11-20 21:05:08 -0800 | [diff] [blame] | 442 | static u8 ixgbe_dcbnl_getcap(struct net_device *netdev, int capid, u8 *cap) |
| 443 | { |
| 444 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 445 | u8 rval = 0; |
| 446 | |
| 447 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { |
| 448 | switch (capid) { |
| 449 | case DCB_CAP_ATTR_PG: |
| 450 | *cap = true; |
| 451 | break; |
| 452 | case DCB_CAP_ATTR_PFC: |
| 453 | *cap = true; |
| 454 | break; |
| 455 | case DCB_CAP_ATTR_UP2TC: |
| 456 | *cap = false; |
| 457 | break; |
| 458 | case DCB_CAP_ATTR_PG_TCS: |
| 459 | *cap = 0x80; |
| 460 | break; |
| 461 | case DCB_CAP_ATTR_PFC_TCS: |
| 462 | *cap = 0x80; |
| 463 | break; |
| 464 | case DCB_CAP_ATTR_GSP: |
| 465 | *cap = true; |
| 466 | break; |
| 467 | case DCB_CAP_ATTR_BCN: |
| 468 | *cap = false; |
| 469 | break; |
| 470 | default: |
| 471 | rval = -EINVAL; |
| 472 | break; |
| 473 | } |
| 474 | } else { |
| 475 | rval = -EINVAL; |
| 476 | } |
| 477 | |
| 478 | return rval; |
| 479 | } |
| 480 | |
Alexander Duyck | 33dbabc | 2008-11-20 21:08:19 -0800 | [diff] [blame] | 481 | static u8 ixgbe_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) |
| 482 | { |
| 483 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 484 | u8 rval = 0; |
| 485 | |
| 486 | if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { |
| 487 | switch (tcid) { |
| 488 | case DCB_NUMTCS_ATTR_PG: |
| 489 | *num = MAX_TRAFFIC_CLASS; |
| 490 | break; |
| 491 | case DCB_NUMTCS_ATTR_PFC: |
| 492 | *num = MAX_TRAFFIC_CLASS; |
| 493 | break; |
| 494 | default: |
| 495 | rval = -EINVAL; |
| 496 | break; |
| 497 | } |
| 498 | } else { |
| 499 | rval = -EINVAL; |
| 500 | } |
| 501 | |
| 502 | return rval; |
| 503 | } |
| 504 | |
| 505 | static u8 ixgbe_dcbnl_setnumtcs(struct net_device *netdev, int tcid, u8 num) |
| 506 | { |
| 507 | return -EINVAL; |
| 508 | } |
| 509 | |
Alexander Duyck | 0eb3aa9 | 2008-11-20 21:09:23 -0800 | [diff] [blame] | 510 | static u8 ixgbe_dcbnl_getpfcstate(struct net_device *netdev) |
| 511 | { |
| 512 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 513 | |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 514 | return adapter->dcb_cfg.pfc_mode_enable; |
Alexander Duyck | 0eb3aa9 | 2008-11-20 21:09:23 -0800 | [diff] [blame] | 515 | } |
| 516 | |
| 517 | static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state) |
| 518 | { |
Peter P Waskiewicz Jr | 264857b | 2009-05-17 12:35:16 +0000 | [diff] [blame] | 519 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 520 | |
| 521 | adapter->temp_dcb_cfg.pfc_mode_enable = state; |
| 522 | if (adapter->temp_dcb_cfg.pfc_mode_enable != |
| 523 | adapter->dcb_cfg.pfc_mode_enable) |
| 524 | adapter->dcb_set_bitmap |= BIT_PFC; |
Alexander Duyck | 0eb3aa9 | 2008-11-20 21:09:23 -0800 | [diff] [blame] | 525 | } |
| 526 | |
Yi Zou | 6ee1652 | 2009-08-31 12:34:28 +0000 | [diff] [blame] | 527 | /** |
| 528 | * ixgbe_dcbnl_getapp - retrieve the DCBX application user priority |
| 529 | * @netdev : the corresponding netdev |
| 530 | * @idtype : identifies the id as ether type or TCP/UDP port number |
| 531 | * @id: id is either ether type or TCP/UDP port number |
| 532 | * |
| 533 | * Returns : on success, returns a non-zero 802.1p user priority bitmap |
| 534 | * otherwise returns 0 as the invalid user priority bitmap to indicate an |
| 535 | * error. |
| 536 | */ |
| 537 | static u8 ixgbe_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) |
| 538 | { |
| 539 | u8 rval = 0; |
| 540 | |
| 541 | switch (idtype) { |
| 542 | case DCB_APP_IDTYPE_ETHTYPE: |
| 543 | #ifdef IXGBE_FCOE |
| 544 | if (id == ETH_P_FCOE) |
| 545 | rval = ixgbe_fcoe_getapp(netdev_priv(netdev)); |
| 546 | #endif |
| 547 | break; |
| 548 | case DCB_APP_IDTYPE_PORTNUM: |
| 549 | break; |
| 550 | default: |
| 551 | break; |
| 552 | } |
| 553 | return rval; |
| 554 | } |
| 555 | |
| 556 | /** |
| 557 | * ixgbe_dcbnl_setapp - set the DCBX application user priority |
| 558 | * @netdev : the corresponding netdev |
| 559 | * @idtype : identifies the id as ether type or TCP/UDP port number |
| 560 | * @id: id is either ether type or TCP/UDP port number |
| 561 | * @up: the 802.1p user priority bitmap |
| 562 | * |
| 563 | * Returns : 0 on success or 1 on error |
| 564 | */ |
| 565 | static u8 ixgbe_dcbnl_setapp(struct net_device *netdev, |
| 566 | u8 idtype, u16 id, u8 up) |
| 567 | { |
| 568 | u8 rval = 1; |
| 569 | |
| 570 | switch (idtype) { |
| 571 | case DCB_APP_IDTYPE_ETHTYPE: |
| 572 | #ifdef IXGBE_FCOE |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 573 | if (id == ETH_P_FCOE) { |
John Fastabend | 53bb9f8 | 2011-02-01 02:10:20 +0000 | [diff] [blame^] | 574 | u8 old_tc; |
| 575 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 576 | |
John Fastabend | 53bb9f8 | 2011-02-01 02:10:20 +0000 | [diff] [blame^] | 577 | /* Get current programmed tc */ |
| 578 | old_tc = adapter->fcoe.tc; |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 579 | rval = ixgbe_fcoe_setapp(adapter, up); |
John Fastabend | 53bb9f8 | 2011-02-01 02:10:20 +0000 | [diff] [blame^] | 580 | |
| 581 | if (rval || |
| 582 | !(adapter->flags & IXGBE_FLAG_DCB_ENABLED) || |
| 583 | !(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) |
| 584 | break; |
| 585 | |
| 586 | /* The FCoE application priority may be changed multiple |
| 587 | * times in quick sucession with switches that build up |
| 588 | * TLVs. To avoid creating uneeded device resets this |
| 589 | * checks the actual HW configuration and clears |
| 590 | * BIT_APP_UPCHG if a HW configuration change is not |
| 591 | * need |
| 592 | */ |
| 593 | if (old_tc == adapter->fcoe.tc) |
| 594 | adapter->dcb_set_bitmap &= ~BIT_APP_UPCHG; |
| 595 | else |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 596 | adapter->dcb_set_bitmap |= BIT_APP_UPCHG; |
Yi Zou | 8de8b2e | 2009-09-03 14:55:50 +0000 | [diff] [blame] | 597 | } |
Yi Zou | 6ee1652 | 2009-08-31 12:34:28 +0000 | [diff] [blame] | 598 | #endif |
| 599 | break; |
| 600 | case DCB_APP_IDTYPE_PORTNUM: |
| 601 | break; |
| 602 | default: |
| 603 | break; |
| 604 | } |
| 605 | return rval; |
| 606 | } |
| 607 | |
Stephen Hemminger | 3295354 | 2009-10-05 06:01:03 +0000 | [diff] [blame] | 608 | const struct dcbnl_rtnl_ops dcbnl_ops = { |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 609 | .getstate = ixgbe_dcbnl_get_state, |
| 610 | .setstate = ixgbe_dcbnl_set_state, |
| 611 | .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr, |
| 612 | .setpgtccfgtx = ixgbe_dcbnl_set_pg_tc_cfg_tx, |
| 613 | .setpgbwgcfgtx = ixgbe_dcbnl_set_pg_bwg_cfg_tx, |
| 614 | .setpgtccfgrx = ixgbe_dcbnl_set_pg_tc_cfg_rx, |
| 615 | .setpgbwgcfgrx = ixgbe_dcbnl_set_pg_bwg_cfg_rx, |
| 616 | .getpgtccfgtx = ixgbe_dcbnl_get_pg_tc_cfg_tx, |
| 617 | .getpgbwgcfgtx = ixgbe_dcbnl_get_pg_bwg_cfg_tx, |
| 618 | .getpgtccfgrx = ixgbe_dcbnl_get_pg_tc_cfg_rx, |
| 619 | .getpgbwgcfgrx = ixgbe_dcbnl_get_pg_bwg_cfg_rx, |
| 620 | .setpfccfg = ixgbe_dcbnl_set_pfc_cfg, |
| 621 | .getpfccfg = ixgbe_dcbnl_get_pfc_cfg, |
Alexander Duyck | 4613218 | 2008-11-20 21:05:08 -0800 | [diff] [blame] | 622 | .setall = ixgbe_dcbnl_set_all, |
Alexander Duyck | 33dbabc | 2008-11-20 21:08:19 -0800 | [diff] [blame] | 623 | .getcap = ixgbe_dcbnl_getcap, |
| 624 | .getnumtcs = ixgbe_dcbnl_getnumtcs, |
Alexander Duyck | 0eb3aa9 | 2008-11-20 21:09:23 -0800 | [diff] [blame] | 625 | .setnumtcs = ixgbe_dcbnl_setnumtcs, |
| 626 | .getpfcstate = ixgbe_dcbnl_getpfcstate, |
Alexander Duyck | 859ee3c | 2008-11-20 21:10:23 -0800 | [diff] [blame] | 627 | .setpfcstate = ixgbe_dcbnl_setpfcstate, |
Yi Zou | 6ee1652 | 2009-08-31 12:34:28 +0000 | [diff] [blame] | 628 | .getapp = ixgbe_dcbnl_getapp, |
| 629 | .setapp = ixgbe_dcbnl_setapp, |
Alexander Duyck | 2f90b86 | 2008-11-20 20:52:10 -0800 | [diff] [blame] | 630 | }; |
| 631 | |