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path: root/drivers/net/enic/vnic_rq.h
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Diffstat (limited to 'drivers/net/enic/vnic_rq.h')
-rw-r--r--drivers/net/enic/vnic_rq.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/enic/vnic_rq.h b/drivers/net/enic/vnic_rq.h
index 35e736c..8f0fb78 100644
--- a/drivers/net/enic/vnic_rq.h
+++ b/drivers/net/enic/vnic_rq.h
@@ -52,12 +52,16 @@ struct vnic_rq_ctrl {
u32 pad10;
};
-/* Break the vnic_rq_buf allocations into blocks of 64 entries */
-#define VNIC_RQ_BUF_BLK_ENTRIES 64
-#define VNIC_RQ_BUF_BLK_SZ \
- (VNIC_RQ_BUF_BLK_ENTRIES * sizeof(struct vnic_rq_buf))
+/* Break the vnic_rq_buf allocations into blocks of 32/64 entries */
+#define VNIC_RQ_BUF_MIN_BLK_ENTRIES 32
+#define VNIC_RQ_BUF_DFLT_BLK_ENTRIES 64
+#define VNIC_RQ_BUF_BLK_ENTRIES(entries) \
+ ((unsigned int)((entries < VNIC_RQ_BUF_DFLT_BLK_ENTRIES) ? \
+ VNIC_RQ_BUF_MIN_BLK_ENTRIES : VNIC_RQ_BUF_DFLT_BLK_ENTRIES))
+#define VNIC_RQ_BUF_BLK_SZ(entries) \
+ (VNIC_RQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_rq_buf))
#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \
- DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES)
+ DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES(entries))
#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096)
struct vnic_rq_buf {
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