net/smc: add SMC-D support in data transfer
The data transfer and CDC message headers differ in SMC-R and SMC-D. This patch adds support for the SMC-D data transfer to the existing SMC code. It consists of the following: * SMC-D CDC support * SMC-D tx support * SMC-D rx support The CDC header is stored at the beginning of the receive buffer. Thus, a rx_offset variable is added for the CDC header offset within the buffer (0 for SMC-R). Signed-off-by:Hans Wippel <hwippel@linux.ibm.com> Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Suggested-by:
Thomas Richter <tmricht@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
c758dfdd
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