| mxge.4 (162331) | mxge.4 (162871) |
|---|---|
| 1.\" Copyright (c) 2006, Myricom Inc 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions are met: 6.\" 7.\" 1. Redistributions of source code must retain the above copyright notice, 8.\" this list of conditions and the following disclaimer. --- 15 unchanged lines hidden (view full) --- 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.\" * Other names and brands may be claimed as the property of others. 31.\" | 1.\" Copyright (c) 2006, Myricom Inc 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions are met: 6.\" 7.\" 1. Redistributions of source code must retain the above copyright notice, 8.\" this list of conditions and the following disclaimer. --- 15 unchanged lines hidden (view full) --- 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.\" * Other names and brands may be claimed as the property of others. 31.\" |
| 32.\" $FreeBSD: head/share/man/man4/mxge.4 162331 2006-09-15 19:33:15Z brueffer $ | 32.\" $FreeBSD: head/share/man/man4/mxge.4 162871 2006-09-30 15:14:49Z ru $ |
| 33.\" 34.Dd September 15, 2006 35.Dt MXGE 4 36.Os 37.Sh NAME 38.Nm mxge 39.Nd "Myricom Myri10GE 10 Gigabit Ethernet adapter driver" 40.Sh SYNOPSIS --- 15 unchanged lines hidden (view full) --- 56.Ed 57.Sh DESCRIPTION 58The 59.Nm 60driver provides support for PCI Express 10 Gigabit Ethernet adapters based on 61the Myricom LANai Z8E chip. 62The driver supports Transmit/Receive checksum offload, 63Jumbo Frames as well as TCP segmentation offload (TSO). | 33.\" 34.Dd September 15, 2006 35.Dt MXGE 4 36.Os 37.Sh NAME 38.Nm mxge 39.Nd "Myricom Myri10GE 10 Gigabit Ethernet adapter driver" 40.Sh SYNOPSIS --- 15 unchanged lines hidden (view full) --- 56.Ed 57.Sh DESCRIPTION 58The 59.Nm 60driver provides support for PCI Express 10 Gigabit Ethernet adapters based on 61the Myricom LANai Z8E chip. 62The driver supports Transmit/Receive checksum offload, 63Jumbo Frames as well as TCP segmentation offload (TSO). |
| 64For further hardware information, see http://www.myri.com | 64For further hardware information, see 65.Pa http://www.myri.com/ . |
| 65.Pp 66For questions related to hardware requirements, 67refer to the documentation supplied with your Myri10GE adapter. 68All hardware requirements listed apply to use with 69.Fx . 70.Pp 71Support for Jumbo Frames is provided via the interface MTU setting. 72Selecting an MTU larger than 1500 bytes with the --- 29 unchanged lines hidden (view full) --- 102.It Va hw.mxge.intr_coal_delay 103This value delays the generation of all interrupts in units of 1041 microsecond. 105The default value is 30. 106.It Va hw.mxge.skip_pio_read 107This value determines whether or not the driver may omit doing a 108pio read in the interrupt handler which ensures that the interrupt 109line has been deasserted when using xPIC interrupts. | 66.Pp 67For questions related to hardware requirements, 68refer to the documentation supplied with your Myri10GE adapter. 69All hardware requirements listed apply to use with 70.Fx . 71.Pp 72Support for Jumbo Frames is provided via the interface MTU setting. 73Selecting an MTU larger than 1500 bytes with the --- 29 unchanged lines hidden (view full) --- 103.It Va hw.mxge.intr_coal_delay 104This value delays the generation of all interrupts in units of 1051 microsecond. 106The default value is 30. 107.It Va hw.mxge.skip_pio_read 108This value determines whether or not the driver may omit doing a 109pio read in the interrupt handler which ensures that the interrupt 110line has been deasserted when using xPIC interrupts. |
| 110A non-zero value | 111A non-zero value |
| 111may result in lower CPU overhead, however it may also result in 112spurious interrupts. 113The default value is 0. 114.El 115.Sh DIAGNOSTICS 116.Bl -diag 117.It "mxge%d: Unable to allocate bus resource: memory" 118A fatal initialization error has occurred. 119.It "mxge%d: Unable to allocate bus resource: interrupt" 120A fatal initialization error has occurred. 121.It "mxge%d: Could not find firmware image %s" 122The appropriate firmware kld module was not installed. 123This is a fatal initialization error. 124.El 125.Sh SUPPORT 126For general information and support, 127go to the Myricom support website at: | 112may result in lower CPU overhead, however it may also result in 113spurious interrupts. 114The default value is 0. 115.El 116.Sh DIAGNOSTICS 117.Bl -diag 118.It "mxge%d: Unable to allocate bus resource: memory" 119A fatal initialization error has occurred. 120.It "mxge%d: Unable to allocate bus resource: interrupt" 121A fatal initialization error has occurred. 122.It "mxge%d: Could not find firmware image %s" 123The appropriate firmware kld module was not installed. 124This is a fatal initialization error. 125.El 126.Sh SUPPORT 127For general information and support, 128go to the Myricom support website at: |
| 128.Pa http://www.myri.com/scs . | 129.Pa http://www.myri.com/scs/ . |
| 129.Pp 130If an issue is identified with the released source code on the supported kernel 131with a supported adapter, email the specific information related to the 132issue to 133.Aq help@myri.com . 134.Sh SEE ALSO 135.Xr arp 4 , 136.Xr netintro 4 , --- 12 unchanged lines hidden --- | 130.Pp 131If an issue is identified with the released source code on the supported kernel 132with a supported adapter, email the specific information related to the 133issue to 134.Aq help@myri.com . 135.Sh SEE ALSO 136.Xr arp 4 , 137.Xr netintro 4 , --- 12 unchanged lines hidden --- |