AuxXxilium/linux_dsm_epyc7002
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0e80bdc9a7
linux_dsm_epyc7002/drivers/net/ethernet/stmicro/stmmac
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Giuseppe Cavallaro 0e80bdc9a7 stmmac: first frame prep at the end of xmit routine 
This patch is to fill the first descriptor just before granting
the DMA engine so at the end of the xmit.
The patch takes care about the algorithm adopted to mitigate the
interrupts, then it fixes the last segment in case of no fragments.
Moreover, this new implementation does not pass any "ter" field when
prepare the descriptors because this is not necessary.
The patch also details the memory barrier in the xmit.

As final results, this patch guarantees the same performances
but fixing a case if small datagram are sent. In fact, this
kind of test is impacted if no coalesce is done.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-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>
2016-03-02 14:21:33 -05:00
..
chain_mode.c stmmac: optimize tx desc management 2016-03-02 14:21:32 -05:00
common.h stmmac: first frame prep at the end of xmit routine 2016-03-02 14:21:33 -05:00
descs_com.h stmmac: change descriptor layout 2016-03-02 14:21:30 -05:00
descs.h stmmac: change descriptor layout 2016-03-02 14:21:30 -05:00
dwmac100_core.c net: stmmac: Support devicetree configs for mcast and ucast filter entries 2014-07-31 14:13:29 -07:00
dwmac100_dma.c stmmac: rework DMA bus setting and introduce new platform AXI structure 2016-03-02 14:21:30 -05:00
dwmac100.h stmmac: share reset function between dwmac100 and dwmac1000 2016-03-02 14:21:30 -05:00
dwmac1000_core.c stmmac: support Reg_9 to get HW level information 2015-12-01 16:06:14 -05:00
dwmac1000_dma.c stmmac: rework DMA bus setting and introduce new platform AXI structure 2016-03-02 14:21:30 -05:00
dwmac1000.h stmmac: rework DMA bus setting and introduce new platform AXI structure 2016-03-02 14:21:30 -05:00
dwmac_dma.h stmmac: rework DMA bus setting and introduce new platform AXI structure 2016-03-02 14:21:30 -05:00
dwmac_lib.c stmmac: share reset function between dwmac100 and dwmac1000 2016-03-02 14:21:30 -05:00
dwmac-generic.c stmmac: remove setup/free glue callbacks 2015-07-29 00:13:25 -07:00
dwmac-ipq806x.c stmmac: ipq806x: Return error values instead of pointers 2015-12-03 15:24:42 -05:00
dwmac-lpc18xx.c stmmac: add proper probe function to dwmac-lpc18xx 2015-07-20 20:45:57 -07:00
dwmac-meson.c stmmac: add proper probe function to dwmac-meson 2015-07-20 20:45:57 -07:00
dwmac-rk.c net: stmmac: fix double-initialization of phy_iface 2015-11-05 14:09:26 -05:00
dwmac-socfpga.c stmmac: socfpga: Provide dt node to config ptp clk source. 2015-12-15 23:20:56 -05:00
dwmac-sti.c stmmac: dwmac-sti: fix st,tx-retime-src check 2015-11-30 14:52:51 -05:00
dwmac-sunxi.c stmmac: dwmac-sunxi: Call exit cleanup function in probe error path 2015-12-14 16:11:59 -05:00
enh_desc.c stmmac: first frame prep at the end of xmit routine 2016-03-02 14:21:33 -05:00
Kconfig stmmac: add ipq806x glue layer 2015-05-30 17:04:36 -07:00
Makefile stmmac: add ipq806x glue layer 2015-05-30 17:04:36 -07:00
mmc_core.c stmmac: Trivial: fix typo in constant name 2015-06-29 12:45:04 -07:00
mmc.h stmmac: fix tipo on mmc crc error 2014-08-29 19:54:36 -07:00
norm_desc.c stmmac: first frame prep at the end of xmit routine 2016-03-02 14:21:33 -05:00
ring_mode.c stmmac: first frame prep at the end of xmit routine 2016-03-02 14:21:33 -05:00
stmmac_ethtool.c stmmac: first frame prep at the end of xmit routine 2016-03-02 14:21:33 -05:00
stmmac_hwtstamp.c stmmac: Fix calculations for ptp counters when clock input = 50Mhz. 2015-12-15 23:20:56 -05:00
stmmac_main.c stmmac: first frame prep at the end of xmit routine 2016-03-02 14:21:33 -05:00
stmmac_mdio.c stmmac: Don't exit mdio registration when mdio subnode is not found in the DTS 2016-01-10 18:02:33 -05:00
stmmac_pci.c stmmac: rework DMA bus setting and introduce new platform AXI structure 2016-03-02 14:21:30 -05:00
stmmac_platform.c stmmac: rework DMA bus setting and introduce new platform AXI structure 2016-03-02 14:21:30 -05:00
stmmac_platform.h stmmac: move stmmac_pltfr_probe into dwmac-generic 2015-07-29 00:13:24 -07:00
stmmac_ptp.c ptp: stmmac: use helpers for converting ns to timespec. 2015-03-31 17:19:19 -04:00
stmmac_ptp.h stmmac: ptp: fix the reference clock 2014-08-29 19:54:36 -07:00
stmmac.h stmmac: add is_jumbo field to dma data 2016-03-02 14:21:31 -05:00