diff options
| author | Karsten Graul <kgraul@linux.ibm.com> | 2021-10-16 11:37:47 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-16 14:58:13 +0100 |
| commit | 8ade200c269f8530efde05b616801ed0612d7d72 (patch) | |
| tree | ac9dab49d4453f2ca2700acea4ee99d023d58675 /net/smc/smc_clc.h | |
| parent | e49300a6bf6218c835403545e9356141a6340181 (diff) | |
net/smc: add v2 format of CLC decline message
The CLC decline message changed with SMC-Rv2 and supports up to
4 additional diagnosis codes.
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 22c079ed77a9..83f02f131fc0 100644 --- a/net/smc/smc_clc.h +++ b/net/smc/smc_clc.h @@ -281,6 +281,24 @@ struct smc_clc_msg_decline { /* clc decline message */ struct smc_clc_msg_trail trl; /* eye catcher "SMCD" or "SMCR" EBCDIC */ } __aligned(4); +#define SMC_DECL_DIAG_COUNT_V2 4 /* no. of additional peer diagnosis codes */ + +struct smc_clc_msg_decline_v2 { /* clc decline message */ + struct smc_clc_msg_hdr hdr; + u8 id_for_peer[SMC_SYSTEMID_LEN]; /* sender peer_id */ + __be32 peer_diagnosis; /* diagnosis information */ +#if defined(__BIG_ENDIAN_BITFIELD) + u8 os_type : 4, + reserved : 4; +#elif defined(__LITTLE_ENDIAN_BITFIELD) + u8 reserved : 4, + os_type : 4; +#endif + u8 reserved2[3]; + __be32 peer_diagnosis_v2[SMC_DECL_DIAG_COUNT_V2]; + struct smc_clc_msg_trail trl; /* eye catcher "SMCD" or "SMCR" EBCDIC */ +} __aligned(4); + /* determine start of the prefix area within the proposal message */ static inline struct smc_clc_msg_proposal_prefix * smc_clc_proposal_get_prefix(struct smc_clc_msg_proposal *pclc) |