drivers/net/ethernet/cisco/enic/vnic_enet.h

   1 /*
   2  * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
   3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   4  *
   5  * This program is free software; you may redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  10  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  11  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  12  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  13  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  14  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  15  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  16  * SOFTWARE.
  17  *
  18  */
  19
  20 #ifndef _VNIC_ENIC_H_
  21 #define _VNIC_ENIC_H_
  22
  23 /* Device-specific region: enet configuration */
  24 struct vnic_enet_config {
  25         u32 flags;
  26         u32 wq_desc_count;
  27         u32 rq_desc_count;
  28         u16 mtu;
  29         u16 intr_timer_deprecated;
  30         u8 intr_timer_type;
  31         u8 intr_mode;
  32         char devname[16];
  33         u32 intr_timer_usec;
  34         u16 loop_tag;
  35 };
  36
  37 #define VENETF_TSO              0x1     /* TSO enabled */
  38 #define VENETF_LRO              0x2     /* LRO enabled */
  39 #define VENETF_RXCSUM           0x4     /* RX csum enabled */
  40 #define VENETF_TXCSUM           0x8     /* TX csum enabled */
  41 #define VENETF_RSS              0x10    /* RSS enabled */
  42 #define VENETF_RSSHASH_IPV4     0x20    /* Hash on IPv4 fields */
  43 #define VENETF_RSSHASH_TCPIPV4  0x40    /* Hash on TCP + IPv4 fields */
  44 #define VENETF_RSSHASH_IPV6     0x80    /* Hash on IPv6 fields */
  45 #define VENETF_RSSHASH_TCPIPV6  0x100   /* Hash on TCP + IPv6 fields */
  46 #define VENETF_RSSHASH_IPV6_EX  0x200   /* Hash on IPv6 extended fields */
  47 #define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */
  48 #define VENETF_LOOP             0x800   /* Loopback enabled */
  49
  50 #define VENET_INTR_TYPE_MIN     0       /* Timer specs min interrupt spacing */
  51 #define VENET_INTR_TYPE_IDLE    1       /* Timer specs idle time before irq */
  52
  53 #define VENET_INTR_MODE_ANY     0       /* Try MSI-X, then MSI, then INTx */
  54 #define VENET_INTR_MODE_MSI     1       /* Try MSI then INTx */
  55 #define VENET_INTR_MODE_INTX    2       /* Try INTx only */
  56
  57 #endif /* _VNIC_ENIC_H_ */