d335252027
This patch adds support for the use of the inet_lro module to provide software LRO support. 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>
175 lines
6.4 KiB
C
175 lines
6.4 KiB
C
/*******************************************************************************
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Intel(R) Gigabit Ethernet Linux driver
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Copyright(c) 2007 - 2008 Intel Corporation.
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information:
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e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#ifndef _E1000_82575_H_
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#define _E1000_82575_H_
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u32 igb_translate_register_82576(u32 reg);
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void igb_update_mc_addr_list_82575(struct e1000_hw*, u8*, u32, u32, u32);
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extern void igb_shutdown_fiber_serdes_link_82575(struct e1000_hw *hw);
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extern void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
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#define E1000_RAR_ENTRIES_82575 16
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#define E1000_RAR_ENTRIES_82576 24
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/* SRRCTL bit definitions */
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#define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */
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#define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT 2 /* Shift _left_ */
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#define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
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#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
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#define E1000_MRQC_ENABLE_RSS_4Q 0x00000002
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#define E1000_MRQC_RSS_FIELD_IPV4_UDP 0x00400000
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#define E1000_MRQC_RSS_FIELD_IPV6_UDP 0x00800000
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#define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX 0x01000000
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#define E1000_EICR_TX_QUEUE ( \
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E1000_EICR_TX_QUEUE0 | \
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E1000_EICR_TX_QUEUE1 | \
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E1000_EICR_TX_QUEUE2 | \
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E1000_EICR_TX_QUEUE3)
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#define E1000_EICR_RX_QUEUE ( \
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E1000_EICR_RX_QUEUE0 | \
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E1000_EICR_RX_QUEUE1 | \
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E1000_EICR_RX_QUEUE2 | \
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E1000_EICR_RX_QUEUE3)
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#define E1000_EIMS_RX_QUEUE E1000_EICR_RX_QUEUE
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#define E1000_EIMS_TX_QUEUE E1000_EICR_TX_QUEUE
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/* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */
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/* Receive Descriptor - Advanced */
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union e1000_adv_rx_desc {
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struct {
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__le64 pkt_addr; /* Packet buffer address */
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__le64 hdr_addr; /* Header buffer address */
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} read;
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struct {
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struct {
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struct {
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__le16 pkt_info; /* RSS type, Packet type */
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__le16 hdr_info; /* Split Header,
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* header buffer length */
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} lo_dword;
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union {
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__le32 rss; /* RSS Hash */
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struct {
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__le16 ip_id; /* IP id */
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__le16 csum; /* Packet Checksum */
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} csum_ip;
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} hi_dword;
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} lower;
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struct {
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__le32 status_error; /* ext status/error */
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__le16 length; /* Packet length */
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__le16 vlan; /* VLAN tag */
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} upper;
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} wb; /* writeback */
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};
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#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0
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#define E1000_RXDADV_HDRBUFLEN_SHIFT 5
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/* RSS Hash results */
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/* RSS Packet Types as indicated in the receive descriptor */
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#define E1000_RXDADV_PKTTYPE_IPV4 0x00000010 /* IPV4 hdr present */
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#define E1000_RXDADV_PKTTYPE_TCP 0x00000100 /* TCP hdr present */
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/* Transmit Descriptor - Advanced */
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union e1000_adv_tx_desc {
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struct {
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__le64 buffer_addr; /* Address of descriptor's data buf */
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__le32 cmd_type_len;
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__le32 olinfo_status;
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} read;
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struct {
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__le64 rsvd; /* Reserved */
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__le32 nxtseq_seed;
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__le32 status;
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} wb;
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};
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/* Adv Transmit Descriptor Config Masks */
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#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
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#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
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#define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
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#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
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#define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
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#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
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#define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
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/* Context descriptors */
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struct e1000_adv_tx_context_desc {
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__le32 vlan_macip_lens;
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__le32 seqnum_seed;
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__le32 type_tucmd_mlhl;
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__le32 mss_l4len_idx;
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};
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#define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
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#define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
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#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
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/* IPSec Encrypt Enable for ESP */
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#define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
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#define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
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/* Adv ctxt IPSec SA IDX mask */
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/* Adv ctxt IPSec ESP len mask */
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/* Additional Transmit Descriptor Control definitions */
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#define E1000_TXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Tx Queue */
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/* Tx Queue Arbitration Priority 0=low, 1=high */
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/* Additional Receive Descriptor Control definitions */
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#define E1000_RXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Rx Queue */
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/* Direct Cache Access (DCA) definitions */
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#define E1000_DCA_CTRL_DCA_ENABLE 0x00000000 /* DCA Enable */
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#define E1000_DCA_CTRL_DCA_DISABLE 0x00000001 /* DCA Disable */
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#define E1000_DCA_CTRL_DCA_MODE_CB1 0x00 /* DCA Mode CB1 */
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#define E1000_DCA_CTRL_DCA_MODE_CB2 0x02 /* DCA Mode CB2 */
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#define E1000_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */
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#define E1000_DCA_RXCTRL_DESC_DCA_EN (1 << 5) /* DCA Rx Desc enable */
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#define E1000_DCA_RXCTRL_HEAD_DCA_EN (1 << 6) /* DCA Rx Desc header enable */
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#define E1000_DCA_RXCTRL_DATA_DCA_EN (1 << 7) /* DCA Rx Desc payload enable */
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#define E1000_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */
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#define E1000_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */
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#define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */
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/* Additional DCA related definitions, note change in position of CPUID */
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#define E1000_DCA_TXCTRL_CPUID_MASK_82576 0xFF000000 /* Tx CPUID Mask */
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#define E1000_DCA_RXCTRL_CPUID_MASK_82576 0xFF000000 /* Rx CPUID Mask */
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#define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
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#define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */
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#endif
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