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authorKarsten Graul <kgraul@linux.ibm.com>2020-04-30 16:55:41 +0300
committerDavid S. Miller <davem@davemloft.net>2020-04-30 22:44:33 +0300
commit92334cfcb3a2a102dc1b23513bbe2fca4347e2d6 (patch)
treeae51b9144ab95354dbe71a17a8adb0898db60631 /net/smc/smc_llc.c
parent81e6e5e70df46bb5b205e53f2b7885e49a9d4974 (diff)
downloadlinux-92334cfcb3a2a102dc1b23513bbe2fca4347e2d6.tar.xz
net/smc: add logic to evaluate CONFIRM_LINK messages to LLC layer
Introduce smc_llc_eval_conf_link() to evaluate the CONFIRM_LINK message contents. This implements this logic at the LLC layer. The function will be used by af_smc.c to process the received LLC layer messages. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_llc.c')
-rw-r--r--net/smc/smc_llc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index a146b3b43580..9248b90fe37e 100644
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -946,6 +946,17 @@ out:
return rc;
}
+/* evaluate confirm link request or response */
+int smc_llc_eval_conf_link(struct smc_llc_qentry *qentry,
+ enum smc_llc_reqresp type)
+{
+ if (type == SMC_LLC_REQ) /* SMC server assigns link_id */
+ qentry->link->link_id = qentry->msg.confirm_link.link_num;
+ if (!(qentry->msg.raw.hdr.flags & SMC_LLC_FLAG_NO_RMBE_EYEC))
+ return -ENOTSUPP;
+ return 0;
+}
+
/***************************** init, exit, misc ******************************/
static struct smc_wr_rx_handler smc_llc_rx_handlers[] = {