drivers/net/igb/e1000_82575.h

   1 /*******************************************************************************
   2
   3   Intel(R) Gigabit Ethernet Linux driver
   4   Copyright(c) 2007-2009 Intel Corporation.
   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   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 #ifndef _E1000_82575_H_
  29 #define _E1000_82575_H_
  30
  31 extern void igb_shutdown_serdes_link_82575(struct e1000_hw *hw);
  32 extern void igb_power_up_serdes_link_82575(struct e1000_hw *hw);
  33 extern void igb_power_down_phy_copper_82575(struct e1000_hw *hw);
  34 extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
  35
  36 #define ID_LED_DEFAULT_82575_SERDES ((ID_LED_DEF1_DEF2 << 12) | \
  37                                      (ID_LED_DEF1_DEF2 <<  8) | \
  38                                      (ID_LED_DEF1_DEF2 <<  4) | \
  39                                      (ID_LED_OFF1_ON2))
  40
  41 #define E1000_RAR_ENTRIES_82575   16
  42 #define E1000_RAR_ENTRIES_82576   24
  43 #define E1000_RAR_ENTRIES_82580   24
  44
  45 #define E1000_SW_SYNCH_MB              0x00000100
  46 #define E1000_STAT_DEV_RST_SET         0x00100000
  47 #define E1000_CTRL_DEV_RST             0x20000000
  48
  49 /* SRRCTL bit definitions */
  50 #define E1000_SRRCTL_BSIZEPKT_SHIFT                     10 /* Shift _right_ */
  51 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT                 2  /* Shift _left_ */
  52 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF                0x02000000
  53 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS          0x0A000000
  54 #define E1000_SRRCTL_DROP_EN                            0x80000000
  55
  56 #define E1000_MRQC_ENABLE_RSS_4Q            0x00000002
  57 #define E1000_MRQC_ENABLE_VMDQ              0x00000003
  58 #define E1000_MRQC_ENABLE_VMDQ_RSS_2Q       0x00000005
  59 #define E1000_MRQC_RSS_FIELD_IPV4_UDP       0x00400000
  60 #define E1000_MRQC_RSS_FIELD_IPV6_UDP       0x00800000
  61 #define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX    0x01000000
  62
  63 #define E1000_EICR_TX_QUEUE ( \
  64     E1000_EICR_TX_QUEUE0 |    \
  65     E1000_EICR_TX_QUEUE1 |    \
  66     E1000_EICR_TX_QUEUE2 |    \
  67     E1000_EICR_TX_QUEUE3)
  68
  69 #define E1000_EICR_RX_QUEUE ( \
  70     E1000_EICR_RX_QUEUE0 |    \
  71     E1000_EICR_RX_QUEUE1 |    \
  72     E1000_EICR_RX_QUEUE2 |    \
  73     E1000_EICR_RX_QUEUE3)
  74
  75 /* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */
  76 #define E1000_IMIREXT_SIZE_BP     0x00001000  /* Packet size bypass */
  77 #define E1000_IMIREXT_CTRL_BP     0x00080000  /* Bypass check of ctrl bits */
  78
  79 /* Receive Descriptor - Advanced */
  80 union e1000_adv_rx_desc {
  81         struct {
  82                 __le64 pkt_addr;             /* Packet buffer address */
  83                 __le64 hdr_addr;             /* Header buffer address */
  84         } read;
  85         struct {
  86                 struct {
  87                         struct {
  88                                 __le16 pkt_info;   /* RSS type, Packet type */
  89                                 __le16 hdr_info;   /* Split Header,
  90                                                     * header buffer length */
  91                         } lo_dword;
  92                         union {
  93                                 __le32 rss;          /* RSS Hash */
  94                                 struct {
  95                                         __le16 ip_id;    /* IP id */
  96                                         __le16 csum;     /* Packet Checksum */
  97                                 } csum_ip;
  98                         } hi_dword;
  99                 } lower;
 100                 struct {
 101                         __le32 status_error;     /* ext status/error */
 102                         __le16 length;           /* Packet length */
 103                         __le16 vlan;             /* VLAN tag */
 104                 } upper;
 105         } wb;  /* writeback */
 106 };
 107
 108 #define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
 109 #define E1000_RXDADV_HDRBUFLEN_SHIFT     5
 110 #define E1000_RXDADV_STAT_TS             0x10000 /* Pkt was time stamped */
 111
 112 /* Transmit Descriptor - Advanced */
 113 union e1000_adv_tx_desc {
 114         struct {
 115                 __le64 buffer_addr;    /* Address of descriptor's data buf */
 116                 __le32 cmd_type_len;
 117                 __le32 olinfo_status;
 118         } read;
 119         struct {
 120                 __le64 rsvd;       /* Reserved */
 121                 __le32 nxtseq_seed;
 122                 __le32 status;
 123         } wb;
 124 };
 125
 126 /* Adv Transmit Descriptor Config Masks */
 127 #define E1000_ADVTXD_MAC_TSTAMP   0x00080000 /* IEEE1588 Timestamp packet */
 128 #define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
 129 #define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
 130 #define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
 131 #define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
 132 #define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
 133 #define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
 134 #define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
 135
 136 /* Context descriptors */
 137 struct e1000_adv_tx_context_desc {
 138         __le32 vlan_macip_lens;
 139         __le32 seqnum_seed;
 140         __le32 type_tucmd_mlhl;
 141         __le32 mss_l4len_idx;
 142 };
 143
 144 #define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
 145 #define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
 146 #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
 147 #define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */
 148 /* IPSec Encrypt Enable for ESP */
 149 #define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
 150 #define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */
 151 /* Adv ctxt IPSec SA IDX mask */
 152 /* Adv ctxt IPSec ESP len mask */
 153
 154 /* Additional Transmit Descriptor Control definitions */
 155 #define E1000_TXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Tx Queue */
 156 /* Tx Queue Arbitration Priority 0=low, 1=high */
 157
 158 /* Additional Receive Descriptor Control definitions */
 159 #define E1000_RXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Rx Queue */
 160
 161 /* Direct Cache Access (DCA) definitions */
 162 #define E1000_DCA_CTRL_DCA_MODE_DISABLE 0x01 /* DCA Disable */
 163 #define E1000_DCA_CTRL_DCA_MODE_CB2     0x02 /* DCA Mode CB2 */
 164
 165 #define E1000_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */
 166 #define E1000_DCA_RXCTRL_DESC_DCA_EN (1 << 5) /* DCA Rx Desc enable */
 167 #define E1000_DCA_RXCTRL_HEAD_DCA_EN (1 << 6) /* DCA Rx Desc header enable */
 168 #define E1000_DCA_RXCTRL_DATA_DCA_EN (1 << 7) /* DCA Rx Desc payload enable */
 169
 170 #define E1000_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */
 171 #define E1000_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */
 172 #define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */
 173
 174 /* Additional DCA related definitions, note change in position of CPUID */
 175 #define E1000_DCA_TXCTRL_CPUID_MASK_82576 0xFF000000 /* Tx CPUID Mask */
 176 #define E1000_DCA_RXCTRL_CPUID_MASK_82576 0xFF000000 /* Rx CPUID Mask */
 177 #define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
 178 #define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */
 179
 180 /* ETQF register bit definitions */
 181 #define E1000_ETQF_FILTER_ENABLE   (1 << 26)
 182 #define E1000_ETQF_1588            (1 << 30)
 183
 184 /* FTQF register bit definitions */
 185 #define E1000_FTQF_VF_BP               0x00008000
 186 #define E1000_FTQF_1588_TIME_STAMP     0x08000000
 187 #define E1000_FTQF_MASK                0xF0000000
 188 #define E1000_FTQF_MASK_PROTO_BP       0x10000000
 189 #define E1000_FTQF_MASK_SOURCE_PORT_BP 0x80000000
 190
 191 #define E1000_NVM_APME_82575          0x0400
 192 #define MAX_NUM_VFS                   8
 193
 194 #define E1000_DTXSWC_VMDQ_LOOPBACK_EN (1 << 31)  /* global VF LB enable */
 195
 196 /* Easy defines for setting default pool, would normally be left a zero */
 197 #define E1000_VT_CTL_DEFAULT_POOL_SHIFT 7
 198 #define E1000_VT_CTL_DEFAULT_POOL_MASK  (0x7 << E1000_VT_CTL_DEFAULT_POOL_SHIFT)
 199
 200 /* Other useful VMD_CTL register defines */
 201 #define E1000_VT_CTL_IGNORE_MAC         (1 << 28)
 202 #define E1000_VT_CTL_DISABLE_DEF_POOL   (1 << 29)
 203 #define E1000_VT_CTL_VM_REPL_EN         (1 << 30)
 204
 205 /* Per VM Offload register setup */
 206 #define E1000_VMOLR_RLPML_MASK 0x00003FFF /* Long Packet Maximum Length mask */
 207 #define E1000_VMOLR_LPE        0x00010000 /* Accept Long packet */
 208 #define E1000_VMOLR_RSSE       0x00020000 /* Enable RSS */
 209 #define E1000_VMOLR_AUPE       0x01000000 /* Accept untagged packets */
 210 #define E1000_VMOLR_ROMPE      0x02000000 /* Accept overflow multicast */
 211 #define E1000_VMOLR_ROPE       0x04000000 /* Accept overflow unicast */
 212 #define E1000_VMOLR_BAM        0x08000000 /* Accept Broadcast packets */
 213 #define E1000_VMOLR_MPME       0x10000000 /* Multicast promiscuous mode */
 214 #define E1000_VMOLR_STRVLAN    0x40000000 /* Vlan stripping enable */
 215 #define E1000_VMOLR_STRCRC     0x80000000 /* CRC stripping enable */
 216
 217 #define E1000_VLVF_ARRAY_SIZE     32
 218 #define E1000_VLVF_VLANID_MASK    0x00000FFF
 219 #define E1000_VLVF_POOLSEL_SHIFT  12
 220 #define E1000_VLVF_POOLSEL_MASK   (0xFF << E1000_VLVF_POOLSEL_SHIFT)
 221 #define E1000_VLVF_LVLAN          0x00100000
 222 #define E1000_VLVF_VLANID_ENABLE  0x80000000
 223
 224 #define E1000_VMVIR_VLANA_DEFAULT      0x40000000 /* Always use default VLAN */
 225 #define E1000_VMVIR_VLANA_NEVER        0x80000000 /* Never insert VLAN tag */
 226
 227 #define E1000_IOVCTL 0x05BBC
 228 #define E1000_IOVCTL_REUSE_VFQ 0x00000001
 229
 230 #define E1000_RPLOLR_STRVLAN   0x40000000
 231 #define E1000_RPLOLR_STRCRC    0x80000000
 232
 233 #define E1000_DTXCTL_8023LL     0x0004
 234 #define E1000_DTXCTL_VLAN_ADDED 0x0008
 235 #define E1000_DTXCTL_OOS_ENABLE 0x0010
 236 #define E1000_DTXCTL_MDP_EN     0x0020
 237 #define E1000_DTXCTL_SPOOF_INT  0x0040
 238
 239 #define ALL_QUEUES   0xFFFF
 240
 241 /* RX packet buffer size defines */
 242 #define E1000_RXPBS_SIZE_MASK_82576  0x0000007F
 243 void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
 244 void igb_vmdq_set_replication_pf(struct e1000_hw *, bool);
 245 u16 igb_rxpbs_adjust_82580(u32 data);
 246
 247 #endif