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| author | Kumar Sanghvi <kumar.sanghvi@stericsson.com> | 2010-10-12 22:17:25 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-13 23:40:35 +0200 |
| commit | f20ce779bb31a90985b0daea2bf0aaf009d21b81 (patch) | |
| tree | 1db0bff88bf3076795bdce959862d3c38a3f108c /Documentation/networking | |
| parent | Phonet: 'connect' socket implementation for Pipe controller (diff) | |
| download | linux-f20ce779bb31a90985b0daea2bf0aaf009d21b81.tar.xz linux-f20ce779bb31a90985b0daea2bf0aaf009d21b81.zip | |
Documentation: Update Phonet doc for Pipe controller changes
Updates to Phonet doc for Pipe controller 'connect' socket
implementation and changes related to socket options.
Signed-off-by: Kumar Sanghvi <kumar.sanghvi@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/phonet.txt | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/Documentation/networking/phonet.txt b/Documentation/networking/phonet.txt index 2d9bc2b711fc..24ad2adba6e5 100644 --- a/Documentation/networking/phonet.txt +++ b/Documentation/networking/phonet.txt @@ -199,33 +199,29 @@ between itself and a remote pipe-end point (e.g. modem). The implementation adds socket options at SOL_PNPIPE level: - PNPIPE_CREATE - It accepts an integer argument where-in - lower order 16 bits: pn_dev and pn_port pair for remote pep. - higher order 16 bits: 8 bit pipe-handle - - It sends a PNS_PEP_CONNECT_REQ on sequenced socket itself. On getting - PNS_PEP_CONNECT_RESP, it sends PNS_PEP_CONNECT_REQ to remote pep. On - getting response from remote pep, it selects the best possible Flow - control mechanism supported by remote-pep (modem) and then it sends - PNS_PEP_CREATED_IND to the sequenced socket and to the remote pep. - - It then updates the pipe state associated with the sequenced socket to - be PIPE_DISABLED. + PNPIPE_PIPE_HANDLE + It accepts an integer argument for setting value of pipe handle. PNPIPE_ENABLE accepts one integer value (int). If set to zero, the pipe is disabled. If the value is non-zero, the pipe is enabled. If the pipe is not (yet) connected, ENOTCONN is error is returned. - PNPIPE_DESTROY - This will send out PNS_PEP_DISCONNECT_REQ on the sequenced socket and - the remote pep. - It will also update the pipe state associated with the sequenced socket - to PIPE_IDLE +The implementation also adds socket 'connect'. On calling the 'connect', pipe +will be created between the source socket and the destination, and the pipe +state will be set to PIPE_DISABLED. After a pipe has been created and enabled successfully, the Pipe data can be exchanged between the host-pep and remote-pep (modem). +User-space would typically follow below sequence with Pipe controller:- +-socket +-bind +-setsockopt for PNPIPE_PIPE_HANDLE +-connect +-setsockopt for PNPIPE_ENCAP_IP +-setsockopt for PNPIPE_ENABLE + + Authors ------- |