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linux/drivers/net/ethernet/stmicro/stmmac
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Jose Abreu 0431100b3d net: stmmac: Fixup the tail addr setting in xmit path 
Currently we are always setting the tail address of descriptor list to
the end of the pre-allocated list.

According to databook this is not correct. Tail address should point to
the last available descriptor + 1, which means we have to update the
tail address everytime we call the xmit function.

This should make no impact in older versions of MAC but in newer
versions there are some DMA features which allows the IP to fetch
descriptors in advance and in a non sequential order so its critical
that we set the tail address correctly.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Fixes: f748be531d ("stmmac: support new GMAC4")
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-18 19:48:08 -07:00
..
altr_tse_pcs.c
altr_tse_pcs.h
chain_mode.c net: stmmac: Switch stmmac_mode_ops to generic HW Interface Helpers 2018-04-16 18:50:03 -04:00
common.h net: stmmac: Rework coalesce timer and fix multi-queue races 2018-09-18 19:48:08 -07:00
descs_com.h
descs.h
dwmac4_core.c net: stmmac: Add Flexible PPS support 2018-06-04 10:13:16 -04:00
dwmac4_descs.c net: stmmac: Let descriptor code get skbuff address 2018-05-18 11:00:16 -04:00
dwmac4_descs.h
dwmac4_dma.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-03 10:29:26 +09:00
dwmac4_dma.h net: stmmac: Set DMA buffer size in HW 2018-06-28 22:24:25 +09:00
dwmac4_lib.c
dwmac4.h net: stmmac: Add Flexible PPS support 2018-06-04 10:13:16 -04:00
dwmac5.c net: stmmac: Add Flexible PPS support 2018-06-04 10:13:16 -04:00
dwmac5.h net: stmmac: Add Flexible PPS support 2018-06-04 10:13:16 -04:00
dwmac100_core.c net: stmmac: Implement logic to automatically select HW Interface 2018-04-23 12:03:50 -04:00
dwmac100_dma.c net: stmmac: Uniformize the use of dma_init_* callbacks 2018-05-18 11:00:15 -04:00
dwmac100.h
dwmac1000_core.c net: stmmac: Implement logic to automatically select HW Interface 2018-04-23 12:03:50 -04:00
dwmac1000_dma.c net: stmmac: Uniformize the use of dma_init_* callbacks 2018-05-18 11:00:15 -04:00
dwmac1000.h net: stmmac: Implement logic to automatically select HW Interface 2018-04-23 12:03:50 -04:00
dwmac_dma.h
dwmac_lib.c
dwmac-anarion.c
dwmac-dwc-qos-eth.c
dwmac-generic.c net: stmmac: Add the bindings parsing for XGMAC2 2018-08-09 11:16:28 -07:00
dwmac-ipq806x.c
dwmac-lpc18xx.c
dwmac-meson8b.c net: stmmac: dwmac-meson8b: Fix an error handling path in 'meson8b_dwmac_probe()' 2018-06-12 15:36:14 -07:00
dwmac-meson.c
dwmac-oxnas.c
dwmac-rk.c net: ethernet: stmmac: dwmac-rk: Add GMAC support for px30 2018-06-29 22:19:05 +09:00
dwmac-socfpga.c net: stmmac: socfpga: add additional ocp reset line for Stratix10 2018-06-20 14:34:26 +09:00
dwmac-sti.c
dwmac-stm32.c net: ethernet: stmmac: add adaptation for stm32mp157c. 2018-05-28 23:08:29 -04:00
dwmac-sun8i.c net: stmmac: dwmac-sun8i: fix typo descrive => describe 2018-07-16 13:42:21 -07:00
dwmac-sunxi.c
dwxgmac2_core.c net: stmmac: Add MAC related callbacks for XGMAC2 2018-08-09 11:16:28 -07:00
dwxgmac2_descs.c net: stmmac: Add descriptor related callbacks for XGMAC2 2018-08-09 11:16:28 -07:00
dwxgmac2_dma.c net: stmmac: Add DMA related callbacks for XGMAC2 2018-08-09 11:16:28 -07:00
dwxgmac2.h net: stmmac: Add descriptor related callbacks for XGMAC2 2018-08-09 11:16:28 -07:00
enh_desc.c net: stmmac: Let descriptor code get skbuff address 2018-05-18 11:00:16 -04:00
hwif.c net: stmmac: Add PTP support for XGMAC2 2018-08-09 11:16:28 -07:00
hwif.h net: stmmac: Add descriptor related callbacks for XGMAC2 2018-08-09 11:16:28 -07:00
Kconfig net: stmmac: build the dwmac-socfpga platform driver for Stratix10 2018-08-29 19:39:53 -07:00
Makefile net: stmmac: Add descriptor related callbacks for XGMAC2 2018-08-09 11:16:28 -07:00
mmc_core.c
mmc.h
norm_desc.c net: stmmac: Let descriptor code get skbuff address 2018-05-18 11:00:16 -04:00
ring_mode.c net: stmmac: Switch stmmac_mode_ops to generic HW Interface Helpers 2018-04-16 18:50:03 -04:00
stmmac_ethtool.c net: stmmac: Use mutex instead of spinlock 2018-05-28 22:54:15 -04:00
stmmac_hwtstamp.c
stmmac_main.c net: stmmac: Fixup the tail addr setting in xmit path 2018-09-18 19:48:08 -07:00
stmmac_mdio.c net: stmmac: Add MDIO related functions for XGMAC2 2018-08-09 11:16:28 -07:00
stmmac_pci.c net: stmmac: mark PM functions as __maybe_unused 2018-08-13 20:45:49 -07:00
stmmac_pcs.h
stmmac_platform.c stmmac: fix valid numbers of unicast filter entries 2018-09-16 15:23:48 -07:00
stmmac_platform.h
stmmac_ptp.c net: stmmac: Add PTP support for XGMAC2 2018-08-09 11:16:28 -07:00
stmmac_ptp.h net: stmmac: Add PTP support for XGMAC2 2018-08-09 11:16:28 -07:00
stmmac_tc.c net_sched: remove list_head from tc_action 2018-08-21 12:45:44 -07:00
stmmac.h net: stmmac: Rework coalesce timer and fix multi-queue races 2018-09-18 19:48:08 -07:00