diff options
| author | Wen Gu <guwen@linux.alibaba.com> | 2023-12-19 22:26:10 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-12-26 20:24:33 +0000 |
| commit | ece60db3a4ce24a2a913a8960eb6fec561cdbcf6 (patch) | |
| tree | 2c6c7a4cd009e564cb310d4d8b36f7401f4a8341 /net/smc/smc.h | |
| parent | 9505450d55b0f7809fe63c36ad9339a909461c87 (diff) | |
net/smc: support SMCv2.x supplemental features negotiation
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>
Diffstat (limited to 'net/smc/smc.h')
| -rw-r--r-- | net/smc/smc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/smc/smc.h b/net/smc/smc.h index cd51261b7d9e..95f56c712b0a 100644 --- a/net/smc/smc.h +++ b/net/smc/smc.h @@ -58,6 +58,10 @@ enum smc_state { /* possible states of an SMC socket */ SMC_PROCESSABORT = 27, }; +#define SMC_FEATURE_MASK 0 /* bitmask of + * supported supplemental features + */ + struct smc_link_group; struct smc_wr_rx_hdr { /* common prefix part of LLC and CDC to demultiplex */ |