Re: [net-next v3 14/16] i40e: make a define from a large constant

On Fri, 2013-12-20 at 10:40 -0800, Joe Perches wrote:

On Fri, 2013-12-20 at 10:21 -0800, Jeff Kirsher wrote:

quoted

Make a define used in the header file by both VF and PF drivers.

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diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h

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@@ -66,6 +66,26 @@ enum i40e_dyn_idx_t {

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+/* Supported RSS offloads */
+#define I40E_DEFAULT_RSS_HENA ( \
+	((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | \

BIT_ULL

quoted

+	((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | \

etc...

Joe, I am not seeing widespread use of the macro BIT_ULL, so what is the
driving factor to use the macro?  I know you mentioned this on a
previous patch I pushed and wanted to ask then, but simply forgot.