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| author | Amar Takhar <amar@rtems.org> | 2016-01-18 00:37:40 -0500 |
|---|---|---|
| committer | Amar Takhar <verm@darkbeer.org> | 2016-05-02 20:51:24 -0400 |
| commit | d389819eea3a84e388935153e3be847342809da3 (patch) | |
| tree | 15cfe55f41281cead805ce87f66c5d7248caa9ce /networking/dec_21140.rst | |
| parent | Remove ada_user document. (diff) | |
| download | rtems-docs-d389819eea3a84e388935153e3be847342809da3.tar.bz2 | |
Convert all Unicode to ASCII(128)
Diffstat (limited to 'networking/dec_21140.rst')
| -rw-r--r-- | networking/dec_21140.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/networking/dec_21140.rst b/networking/dec_21140.rst index 8cc041c..9064508 100644 --- a/networking/dec_21140.rst +++ b/networking/dec_21140.rst @@ -46,7 +46,7 @@ DEC21140 PCI Board Generalities This chapter describes rapidely the PCI interface of this Ethernet controller. The board we have chosen for our PC386 implementation is a D-Link DFE-500TX. This is a dual-speed 10/100Mbps Ethernet PCI adapter with a DEC21140AF chip. -Like other PCI devices, this board has a PCI device’s header containing some +Like other PCI devices, this board has a PCI device's header containing some required configuration registers, as shown in the PCI Register Figure. By reading or writing these registers, a driver can obtain information about the type of @@ -132,7 +132,7 @@ Receiver Thread --------------- This thread is event driven. Each time a DEC PCI board interrupt occurs, the -handler checks if this is a receive interrupt and send an event “reception” +handler checks if this is a receive interrupt and send an event "reception" to the receiver thread which looks into the entire buffer descriptors ring the ones that contain a valid incoming frame (bit OWN=0 means descriptor belongs to host processor). Each valid incoming ethernet frame is sent to the protocol |