From 8ade200c269f8530efde05b616801ed0612d7d72 Mon Sep 17 00:00:00 2001 From: Karsten Graul Date: Sat, 16 Oct 2021 11:37:47 +0200 Subject: 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 Signed-off-by: David S. Miller --- net/smc/smc_clc.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'net/smc/smc_clc.h') 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) -- cgit v1.2.3