diff options
| author | Fabrice Gasnier | 2016-02-29 14:27:34 +0100 |
|---|---|---|
| committer | David S. Miller | 2016-03-02 20:21:32 +0100 |
| commit | c1fa3212be5503d802a5c4c451dd4e673fdc603a (patch) | |
| tree | df0200388853f5d98b595c1ed34e82565d89666d /drivers/net/ethernet/stmicro/stmmac/common.h | |
| parent | stmmac: add is_jumbo field to dma data (diff) | |
| download | kernel-qcow2-linux-c1fa3212be5503d802a5c4c451dd4e673fdc603a.tar.gz kernel-qcow2-linux-c1fa3212be5503d802a5c4c451dd4e673fdc603a.tar.xz kernel-qcow2-linux-c1fa3212be5503d802a5c4c451dd4e673fdc603a.zip | |
stmmac: merge get_rx_owner into rx_status routine.
The RDES0 register can be read several times while doing RX of a
packet.
This patch slightly improves RX path performance by reading rdes0
once for two operation: check rx owner, get rx status bits.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/common.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/common.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 09291af19039..3ba268e93bc9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -238,10 +238,11 @@ struct stmmac_extra_stats { /* Rx IPC status */ enum rx_frame_status { - good_frame = 0, - discard_frame = 1, - csum_none = 2, - llc_snap = 4, + good_frame = 0x0, + discard_frame = 0x1, + csum_none = 0x2, + llc_snap = 0x4, + dma_own = 0x8, }; enum dma_irq_status { @@ -356,7 +357,6 @@ struct stmmac_desc_ops { /* Get the buffer size from the descriptor */ int (*get_tx_len) (struct dma_desc *p); /* Handle extra events on specific interrupts hw dependent */ - int (*get_rx_owner) (struct dma_desc *p); void (*set_rx_owner) (struct dma_desc *p); /* Get the receive frame size */ int (*get_rx_frame_len) (struct dma_desc *p, int rx_coe_type); |