gianfar: Optimize interrupt coalescing configuration

[karo-tx-linux.git] / drivers / net / gianfar.h

diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index ca7f0a6a68c59398f22caaf6f6525df29952eba4..449f508a564031a2cc510838890ec931877fd09f 100644 (file)
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -189,6 +189,12 @@ extern const char gfar_driver_version[];
 #define mk_ic_value(count, time) (IC_ICEN | \
                                mk_ic_icft(count) | \
                                mk_ic_ictt(time))
+#define get_icft_value(ic)     (((unsigned long)ic & IC_ICFT_MASK) >> \
+                                IC_ICFT_SHIFT)
+#define get_ictt_value(ic)     ((unsigned long)ic & IC_ICTT_MASK)
+
+#define DEFAULT_TXIC mk_ic_value(DEFAULT_TXCOUNT, DEFAULT_TXTIME)
+#define DEFAULT_RXIC mk_ic_value(DEFAULT_RXCOUNT, DEFAULT_RXTIME)
 
 #define RCTRL_PAL_MASK         0x001f0000
 #define RCTRL_VLEX             0x00002000
@@ -694,8 +700,7 @@ struct gfar_private {
 
        /* Configuration info for the coalescing features */
        unsigned char txcoalescing;
-       unsigned short txcount;
-       unsigned short txtime;
+       unsigned long txic;
 
        /* Buffer descriptor pointers */
        struct txbd8 *tx_bd_base;       /* First tx buffer descriptor */
@@ -717,8 +722,7 @@ struct gfar_private {
 
        /* RX Coalescing values */
        unsigned char rxcoalescing;
-       unsigned short rxcount;
-       unsigned short rxtime;
+       unsigned long rxic;
 
        struct rxbd8 *rx_bd_base;       /* First Rx buffers */
        struct rxbd8 *cur_rx;           /* Next free rx ring entry */