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| author |   Karsten Graul <kgraul@linux.ibm.com> | 2020-10-31 19:19:38 +0100 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2020-10-31 15:44:13 -0700 |
| commit | 3752404a68e86d82b97a61aba78f6d6afae48549 (patch) | |
| tree | 6b73ef2ea707b1d3a8ab572b04a7d1570d46c6fd /net/smc/smc_core.h | |
| parent | Merge branch 'support-for-octeontx2-98xx-silcion' (diff) | |
| download | linux-dev-3752404a68e86d82b97a61aba78f6d6afae48549.tar.xz linux-dev-3752404a68e86d82b97a61aba78f6d6afae48549.zip | |
net/smc: improve return codes for SMC-Dv2
To allow better problem diagnosis the return codes for SMC-Dv2 are
improved by this patch. A few more CLC DECLINE codes are defined and
sent to the peer when an SMC connection cannot be established.
There are now multiple SMC variations that are offered by the client and
the server may encounter problems to initialize all of them.
Because only one diagnosis code can be sent to the client the decision
was made to send the first code that was encountered. Because the server
tries the variations in the order of importance (SMC-Dv2, SMC-D, SMC-R)
this makes sure that the diagnosis code of the most important variation
is sent.
v2: initialize rc in smc_listen_v2_check().
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Link: https://lore.kernel.org/r/20201031181938.69903-1-kgraul@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | net/smc/smc_core.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h index f1e867ce2e63..9aee54a6bcba 100644 --- a/net/smc/smc_core.h +++ b/net/smc/smc_core.h @@ -301,6 +301,7 @@ struct smc_init_info { u8 first_contact_peer; u8 first_contact_local; unsigned short vlan_id; + u32 rc; /* SMC-R */ struct smc_clc_msg_local *ib_lcl; struct smc_ib_device *ib_dev; |