diff options
author | Ursula Braun <ubraun@linux.ibm.com> | 2020-09-26 12:44:31 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-09-29 00:19:03 +0200 |
commit | b81a5eb789fca0054c2cb285fdbc3630e8043cde (patch) | |
tree | 9155c052bc2b2ead7ed0a7f1ea4482ffd8dfbfab /net/smc/smc_clc.h | |
parent | net/smc: CLC accept / confirm V2 (diff) | |
download | linux-b81a5eb789fca0054c2cb285fdbc3630e8043cde.tar.xz linux-b81a5eb789fca0054c2cb285fdbc3630e8043cde.zip |
net/smc: introduce CLC first contact extension
SMC Version 2 defines a first contact extension for CLC accept
and CLC confirm. This patch covers sending and receiving of the
CLC first contact extension.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_clc.h')
-rw-r--r-- | net/smc/smc_clc.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h index 926b86cce68f..92179d955f59 100644 --- a/net/smc/smc_clc.h +++ b/net/smc/smc_clc.h @@ -199,6 +199,23 @@ struct smcd_clc_msg_accept_confirm_common { /* SMCD accept/confirm */ __be32 linkid; /* Link identifier */ } __packed; +#define SMC_CLC_OS_ZOS 1 +#define SMC_CLC_OS_LINUX 2 +#define SMC_CLC_OS_AIX 3 + +struct smc_clc_first_contact_ext { + u8 reserved1; +#if defined(__BIG_ENDIAN_BITFIELD) + u8 os_type : 4, + release : 4; +#elif defined(__LITTLE_ENDIAN_BITFIELD) + u8 release : 4, + os_type : 4; +#endif + u8 reserved2[2]; + u8 hostname[SMC_MAX_HOSTNAME_LEN]; +}; + struct smc_clc_msg_accept_confirm { /* clc accept / confirm message */ struct smc_clc_msg_hdr hdr; union { @@ -304,5 +321,6 @@ int smc_clc_send_confirm(struct smc_sock *smc, bool clnt_first_contact, u8 version); int smc_clc_send_accept(struct smc_sock *smc, bool srv_first_contact, u8 version); +void smc_clc_init(void) __init; #endif |