qed: Add support for RoCE hw init

This adds the backbone required for the various HW initalizations
which are necessary for the qedr driver - FW notification, resource
initializations, etc.

Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
index d9bea2a..82370a1 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
@@ -48,7 +48,13 @@
 #define TM_ELEM_SIZE    4
 
 /* ILT constants */
+#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
+/* For RoCE we configure to 64K to cover for RoCE max tasks 256K purpose. */
+#define ILT_DEFAULT_HW_P_SIZE		4
+#else
 #define ILT_DEFAULT_HW_P_SIZE		3
+#endif
+
 #define ILT_PAGE_IN_BYTES(hw_p_size)	(1U << ((hw_p_size) + 12))
 #define ILT_CFG_REG(cli, reg)	PSWRQ2_REG_ ## cli ## _ ## reg ## _RT_OFFSET