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| author | Dai Haruki <dai.haruki@freescale.com> | 2008-04-09 19:37:51 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-04-16 20:06:50 -0400 |
| commit | d080cd6301e107e79c6a0fc654319f8979f70549 (patch) | |
| tree | 263b443368033c49c8b4345288677ac58cb68533 /drivers/net/gianfar.h | |
| parent | 0b50d753874ad4843d305bf841ba5e28fc0f0ce7 (diff) | |
| download | kernel-common-d080cd6301e107e79c6a0fc654319f8979f70549.tar.gz kernel-common-d080cd6301e107e79c6a0fc654319f8979f70549.tar.bz2 kernel-common-d080cd6301e107e79c6a0fc654319f8979f70549.zip | |
gianfar: Support NAPI for TX Frames
Poll the completed TX frames in gfar_poll(). This prevents the tx
completion interrupt from interfering with processing of received
frames.
We also disable hardware rx coalescing when NAPI is enabled.
Signed-off-by: Dai Haruki <dai.haruki@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/gianfar.h')
| -rw-r--r-- | drivers/net/gianfar.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index ea8671f87bce..0d0883609469 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -126,9 +126,16 @@ extern const char gfar_driver_version[]; #define DEFAULT_TXCOUNT 16 #define DEFAULT_TXTIME 21 +#define DEFAULT_RXTIME 21 + +/* Non NAPI Case */ +#ifndef CONFIG_GFAR_NAPI #define DEFAULT_RX_COALESCE 1 #define DEFAULT_RXCOUNT 16 -#define DEFAULT_RXTIME 21 +#else +#define DEFAULT_RX_COALESCE 0 +#define DEFAULT_RXCOUNT 0 +#endif /* CONFIG_GFAR_NAPI */ #define TBIPA_VALUE 0x1f #define MIIMCFG_INIT_VALUE 0x00000007 @@ -242,6 +249,7 @@ extern const char gfar_driver_version[]; #define IEVENT_PERR 0x00000001 #define IEVENT_RX_MASK (IEVENT_RXB0 | IEVENT_RXF0) #define IEVENT_TX_MASK (IEVENT_TXB | IEVENT_TXF) +#define IEVENT_RTX_MASK (IEVENT_RX_MASK | IEVENT_TX_MASK) #define IEVENT_ERR_MASK \ (IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \ IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \ @@ -269,11 +277,12 @@ extern const char gfar_driver_version[]; #define IMASK_FIQ 0x00000004 #define IMASK_DPE 0x00000002 #define IMASK_PERR 0x00000001 -#define IMASK_RX_DISABLED ~(IMASK_RXFEN0 | IMASK_BSY) #define IMASK_DEFAULT (IMASK_TXEEN | IMASK_TXFEN | IMASK_TXBEN | \ IMASK_RXFEN0 | IMASK_BSY | IMASK_EBERR | IMASK_BABR | \ IMASK_XFUN | IMASK_RXC | IMASK_BABT | IMASK_DPE \ | IMASK_PERR) +#define IMASK_RTX_DISABLED ((~(IMASK_RXFEN0 | IMASK_TXFEN | IMASK_BSY)) \ + & IMASK_DEFAULT) /* Fifo management */ #define FIFO_TX_THR_MASK 0x01ff |