[PATCH net-next v2 0/6] net/smc: several features's implementation for smc v2.1

[Guangguan Wang <guangguan.wang@linux.alibaba.com>]

This patch set implement several new features in SMC v2.1(https://
www.ibm.com/support/pages/node/7009315), including vendor unique
experimental options, max connections per lgr negotiation, max links
per lgr negotiation.

v1 - v2:
 - rename field fce_v20 to fce_v2_base in struct
   smc_clc_first_contact_ext_v2x
 - use smc_get_clc_first_contact_ext in smc_connect
   _rdma_v2_prepare
 - adding comment about field vendor_oui in struct
   smc_clc_msg_smcd
 - remove comment about SMC_CONN_PER_LGR_MAX in smc_
   clc_srv_v2x_features_validate
 - rename smc_clc_clnt_v2x_features_validate

RFC v2 - v1:
 - more description in commit message
 - modify SMC_CONN_PER_LGR_xxx and SMC_LINKS_ADD_LNK_xxx
   macro defination and usage
 - rename field release_ver to release_nr
 - remove redundant release version check in client
 - explicitly set the rc value in smc_llc_cli/srv_add_link

RFC v1 - RFC v2:
 - Remove ini pointer NULL check and fix code style in
   smc_clc_send_confirm_accept.
 - Optimize the max_conns check in smc_clc_xxx_v2x_features_validate.

Guangguan Wang (6):
  net/smc: support smc release version negotiation in clc handshake
  net/smc: add vendor unique experimental options area in clc handshake
  net/smc: support smc v2.x features validate
  net/smc: support max connections per lgr negotiation
  net/smc: support max links per lgr negotiation in clc handshake
  net/smc: Extend SMCR v2 linkgroup netlink attribute

 include/uapi/linux/smc.h |   2 +
 net/smc/af_smc.c         |  86 +++++++++++++++++------
 net/smc/smc.h            |   5 +-
 net/smc/smc_clc.c        | 147 ++++++++++++++++++++++++++++++++-------
 net/smc/smc_clc.h        |  53 ++++++++++++--
 net/smc/smc_core.c       |  13 +++-
 net/smc/smc_core.h       |  25 +++++++
 net/smc/smc_llc.c        |  25 +++++--
 8 files changed, 299 insertions(+), 57 deletions(-)

-- 
2.24.3 (Apple Git-128)