net/smc: support SMCv2.x supplemental features negotiation

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This patch adds SMCv2.x supplemental features negotiation. Supported
SMCv2.x supplemental features are represented by feature_mask in FCE
field. The negotiation process is as follows.

 Server                                        Client
            Proposal(features(c-mask bits))
      <-----------------------------------------
            Accept(features(s-mask bits))
      ----------------------------------------->
           Confirm(features(s&c-mask bits))
      <-----------------------------------------

Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
Reviewed-and-tested-by: Wenjia Zhang <wenjia@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Wen Gu 2023-12-19 22:26:10 +08:00 • committed by David S. Miller

parent 9505450d55

commit ece60db3a4

4 changed files with 22 additions and 4 deletions

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4

net/smc/smc.h

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7

net/smc/smc_clc.c

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14

net/smc/smc_clc.h

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1

net/smc/smc_core.h

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