forked from Minki/linux
662d7205b3
This patch resolves an issue seen on 82575 adapters with managability pass-thru enabled, which could cause the system to panic. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
153 lines
5.0 KiB
C
153 lines
5.0 KiB
C
/*******************************************************************************
|
|
|
|
Intel(R) Gigabit Ethernet Linux driver
|
|
Copyright(c) 2007 - 2008 Intel Corporation.
|
|
|
|
This program is free software; you can redistribute it and/or modify it
|
|
under the terms and conditions of the GNU General Public License,
|
|
version 2, as published by the Free Software Foundation.
|
|
|
|
This program is distributed in the hope it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
The full GNU General Public License is included in this distribution in
|
|
the file called "COPYING".
|
|
|
|
Contact Information:
|
|
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
|
|
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef _E1000_82575_H_
|
|
#define _E1000_82575_H_
|
|
|
|
extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
|
|
|
|
#define E1000_RAR_ENTRIES_82575 16
|
|
|
|
/* SRRCTL bit definitions */
|
|
#define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */
|
|
#define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT 2 /* Shift _left_ */
|
|
#define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
|
|
#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
|
|
|
|
#define E1000_MRQC_ENABLE_RSS_4Q 0x00000002
|
|
#define E1000_MRQC_RSS_FIELD_IPV4_UDP 0x00400000
|
|
#define E1000_MRQC_RSS_FIELD_IPV6_UDP 0x00800000
|
|
#define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX 0x01000000
|
|
|
|
#define E1000_EICR_TX_QUEUE ( \
|
|
E1000_EICR_TX_QUEUE0 | \
|
|
E1000_EICR_TX_QUEUE1 | \
|
|
E1000_EICR_TX_QUEUE2 | \
|
|
E1000_EICR_TX_QUEUE3)
|
|
|
|
#define E1000_EICR_RX_QUEUE ( \
|
|
E1000_EICR_RX_QUEUE0 | \
|
|
E1000_EICR_RX_QUEUE1 | \
|
|
E1000_EICR_RX_QUEUE2 | \
|
|
E1000_EICR_RX_QUEUE3)
|
|
|
|
#define E1000_EIMS_RX_QUEUE E1000_EICR_RX_QUEUE
|
|
#define E1000_EIMS_TX_QUEUE E1000_EICR_TX_QUEUE
|
|
|
|
/* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */
|
|
|
|
/* Receive Descriptor - Advanced */
|
|
union e1000_adv_rx_desc {
|
|
struct {
|
|
__le64 pkt_addr; /* Packet buffer address */
|
|
__le64 hdr_addr; /* Header buffer address */
|
|
} read;
|
|
struct {
|
|
struct {
|
|
struct {
|
|
__le16 pkt_info; /* RSS type, Packet type */
|
|
__le16 hdr_info; /* Split Header,
|
|
* header buffer length */
|
|
} lo_dword;
|
|
union {
|
|
__le32 rss; /* RSS Hash */
|
|
struct {
|
|
__le16 ip_id; /* IP id */
|
|
__le16 csum; /* Packet Checksum */
|
|
} csum_ip;
|
|
} hi_dword;
|
|
} lower;
|
|
struct {
|
|
__le32 status_error; /* ext status/error */
|
|
__le16 length; /* Packet length */
|
|
__le16 vlan; /* VLAN tag */
|
|
} upper;
|
|
} wb; /* writeback */
|
|
};
|
|
|
|
#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0
|
|
#define E1000_RXDADV_HDRBUFLEN_SHIFT 5
|
|
|
|
/* RSS Hash results */
|
|
|
|
/* RSS Packet Types as indicated in the receive descriptor */
|
|
|
|
/* Transmit Descriptor - Advanced */
|
|
union e1000_adv_tx_desc {
|
|
struct {
|
|
__le64 buffer_addr; /* Address of descriptor's data buf */
|
|
__le32 cmd_type_len;
|
|
__le32 olinfo_status;
|
|
} read;
|
|
struct {
|
|
__le64 rsvd; /* Reserved */
|
|
__le32 nxtseq_seed;
|
|
__le32 status;
|
|
} wb;
|
|
};
|
|
|
|
/* Adv Transmit Descriptor Config Masks */
|
|
#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
|
|
#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
|
|
#define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
|
|
#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
|
|
#define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
|
|
#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
|
|
#define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
|
|
|
|
/* Context descriptors */
|
|
struct e1000_adv_tx_context_desc {
|
|
__le32 vlan_macip_lens;
|
|
__le32 seqnum_seed;
|
|
__le32 type_tucmd_mlhl;
|
|
__le32 mss_l4len_idx;
|
|
};
|
|
|
|
#define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
|
|
#define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
|
|
#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
|
|
/* IPSec Encrypt Enable for ESP */
|
|
#define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
|
|
#define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
|
|
/* Adv ctxt IPSec SA IDX mask */
|
|
/* Adv ctxt IPSec ESP len mask */
|
|
|
|
/* Additional Transmit Descriptor Control definitions */
|
|
#define E1000_TXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Tx Queue */
|
|
/* Tx Queue Arbitration Priority 0=low, 1=high */
|
|
|
|
/* Additional Receive Descriptor Control definitions */
|
|
#define E1000_RXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Rx Queue */
|
|
|
|
/* Direct Cache Access (DCA) definitions */
|
|
|
|
|
|
|
|
#define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */
|
|
|
|
#endif
|