diff options
| author | Karsten Graul <kgraul@linux.ibm.com> | 2021-10-16 11:37:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-16 14:58:12 +0100 |
| commit | e5c4744cfb598f98672f8d21d59ef2c1fa9c9b5f (patch) | |
| tree | 30edacc4d9bf361c7d07f78205517a9e90af3b61 /net/smc/smc_clc.h | |
| parent | 42042dbbc2ebb926e594b22490374d9343c746ef (diff) | |
net/smc: add SMC-Rv2 connection establishment
Send a CLC proposal message, and the remote side process this type of
message and determine the target GID. Check for a valid route to this
GID, and complete the connection establishment.
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 | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h index 37ce97f7fdb0..4f2fe278f404 100644 --- a/net/smc/smc_clc.h +++ b/net/smc/smc_clc.h @@ -54,6 +54,8 @@ #define SMC_CLC_DECL_NOSRVLINK 0x030b0000 /* SMC-R link from srv not found */ #define SMC_CLC_DECL_VERSMISMAT 0x030c0000 /* SMC version mismatch */ #define SMC_CLC_DECL_MAX_DMB 0x030d0000 /* SMC-D DMB limit exceeded */ +#define SMC_CLC_DECL_NOROUTE 0x030e0000 /* SMC-Rv2 conn. no route to peer */ +#define SMC_CLC_DECL_NOINDIRECT 0x030f0000 /* SMC-Rv2 conn. indirect mismatch*/ #define SMC_CLC_DECL_SYNCERR 0x04000000 /* synchronization error */ #define SMC_CLC_DECL_PEERDECL 0x05000000 /* peer declined during handshake */ #define SMC_CLC_DECL_INTERR 0x09990000 /* internal error */ @@ -213,11 +215,14 @@ struct smcd_clc_msg_accept_confirm_common { /* SMCD accept/confirm */ #define SMC_CLC_OS_AIX 3 struct smc_clc_first_contact_ext { - u8 reserved1; #if defined(__BIG_ENDIAN_BITFIELD) + u8 v2_direct : 1, + reserved : 7; u8 os_type : 4, release : 4; #elif defined(__LITTLE_ENDIAN_BITFIELD) + u8 reserved : 7, + v2_direct : 1; u8 release : 4, os_type : 4; #endif @@ -225,6 +230,13 @@ struct smc_clc_first_contact_ext { u8 hostname[SMC_MAX_HOSTNAME_LEN]; }; +struct smc_clc_fce_gid_ext { + u8 reserved[16]; + u8 gid_cnt; + u8 reserved2[3]; + u8 gid[][SMC_GID_SIZE]; +}; + struct smc_clc_msg_accept_confirm { /* clc accept / confirm message */ struct smc_clc_msg_hdr hdr; union { @@ -239,13 +251,17 @@ struct smc_clc_msg_accept_confirm { /* clc accept / confirm message */ struct smc_clc_msg_accept_confirm_v2 { /* clc accept / confirm message */ struct smc_clc_msg_hdr hdr; union { - struct smcr_clc_msg_accept_confirm r0; /* SMC-R */ + struct { /* SMC-R */ + struct smcr_clc_msg_accept_confirm r0; + u8 eid[SMC_MAX_EID_LEN]; + u8 reserved6[8]; + } r1; struct { /* SMC-D */ struct smcd_clc_msg_accept_confirm_common d0; __be16 chid; u8 eid[SMC_MAX_EID_LEN]; u8 reserved5[8]; - }; + } d1; }; }; @@ -345,7 +361,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, int smc_clc_send_decline(struct smc_sock *smc, u32 peer_diag_info, u8 version); int smc_clc_send_proposal(struct smc_sock *smc, struct smc_init_info *ini); int smc_clc_send_confirm(struct smc_sock *smc, bool clnt_first_contact, - u8 version, u8 *eid); + u8 version, u8 *eid, struct smc_init_info *ini); int smc_clc_send_accept(struct smc_sock *smc, bool srv_first_contact, u8 version, u8 *negotiated_eid); void smc_clc_init(void) __init; |