smc: receive data from RMBE

move RMBE data into user space buffer and update managing cursors

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/smc/smc.h b/net/smc/smc.h
index 0c47d84c1db1..2bb1540b5103 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -115,6 +115,10 @@ struct smc_connection {
         struct smc_buf_desc     *rmb_desc;      /* RMBE descriptor */
         int                     rmbe_size;      /* RMBE size <== sock rmem */
         int                     rmbe_size_short;/* compressed notation */
+        int                     rmbe_update_limit;
+                                                /* lower limit for consumer
+                                                 * cursor update
+                                                 */
 
         struct smc_host_cdc_msg local_tx_ctrl;  /* host byte order staging
                                                  * buffer for CDC msg send