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| author | Karsten Graul <kgraul@linux.vnet.ibm.com> | 2018-03-01 15:51:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-01 21:21:31 +0300 |
| commit | 52bedf37bafe1d3bc36d1513ad059d9fd28b3c3f (patch) | |
| tree | c49df5fc6752db70b3cb7acfe963e3a9b9ea2249 /net/smc/smc_core.h | |
| parent | 75d320d611d8569ebe4e42718de035fcc79f8069 (diff) | |
| download | linux-52bedf37bafe1d3bc36d1513ad059d9fd28b3c3f.tar.xz | |
net/smc: process add/delete link messages
Add initial support for the LLC messages ADD LINK and DELETE LINK.
Introduce a link state field. Extend the initial LLC handshake with
ADD LINK processing.
Signed-off-by: Karsten Graul <kgraul@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_core.h')
| -rw-r--r-- | net/smc/smc_core.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h index 2b65b3d7f1f5..cead2093c4b4 100644 --- a/net/smc/smc_core.h +++ b/net/smc/smc_core.h @@ -32,6 +32,12 @@ enum smc_lgr_role { /* possible roles of a link group */ SMC_SERV /* server */ }; +enum smc_link_state { /* possible states of a link */ + SMC_LNK_INACTIVE, /* link is inactive */ + SMC_LNK_ACTIVATING, /* link is being activated */ + SMC_LNK_ACTIVE /* link is active */ +}; + #define SMC_WR_BUF_SIZE 48 /* size of work request buffer */ struct smc_wr_buf { @@ -87,10 +93,14 @@ struct smc_link { u8 peer_mac[ETH_ALEN]; /* = gid[8:10||13:15] */ u8 peer_gid[sizeof(union ib_gid)]; /* gid of peer*/ u8 link_id; /* unique # within link group */ + + enum smc_link_state state; /* state of link */ struct completion llc_confirm; /* wait for rx of conf link */ struct completion llc_confirm_resp; /* wait 4 rx of cnf lnk rsp */ int llc_confirm_rc; /* rc from confirm link msg */ int llc_confirm_resp_rc; /* rc from conf_resp msg */ + struct completion llc_add; /* wait for rx of add link */ + struct completion llc_add_resp; /* wait for rx of add link rsp*/ }; /* For now we just allow one parallel link per link group. The SMC protocol |