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authorThomas Falcon <tlfalcon@linux.ibm.com>2018-09-29 02:38:25 +0300
committerDavid S. Miller <davem@davemloft.net>2018-10-02 09:31:16 +0300
commit20b5ba1f610079908b70d44fd7fb91bf0e9700ff (patch)
tree00b5ac719143d2acc529b91a6987402896297437 /drivers/net/ethernet
parentad95a240a140fa8bd4153f5d9c8fbd91aa048445 (diff)
downloadlinux-20b5ba1f610079908b70d44fd7fb91bf0e9700ff.tar.xz
ibmvnic: Introduce driver limits for ring sizes
Introduce driver-defined maximums for queue ring sizes. Devices available for IBM vNIC today will likely not allow this amount, but this should give us some leeway for future devices that may support larger ring sizes. Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h
index 2c1787109f1c..f9a12e5843c4 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -40,6 +40,7 @@
/* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
#define IBMVNIC_BUFFS_PER_POOL 100
#define IBMVNIC_MAX_QUEUES 16
+#define IBMVNIC_MAX_QUEUE_SZ 4096
#define IBMVNIC_TSO_BUF_SZ 65536
#define IBMVNIC_TSO_BUFS 64