From 480a16596f89c66b94803496d443e79ed3ffc27d Mon Sep 17 00:00:00 2001 From: Richard Cochran Date: Thu, 19 Jul 2012 20:51:46 +0200 Subject: [PATCH] Update the readme file for Linux kernel 3.5. Signed-off-by: Richard Cochran --- README.org | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/README.org b/README.org index b3c1bb8..8aeb7f2 100644 --- a/README.org +++ b/README.org @@ -71,6 +71,21 @@ into Linux version 3.0. The PHC code provides a driver framework and the user space API for clock control. +** Ethtool Support + + Starting with version 3.5 of the Linux kernel, you can query the + time stamping capabilities of a network interface using the + ETHTOOL_GET_TS_INFO ioctl. Using ethtool version 3.4 or later, you + can check your system's time stamping support as shown in the + following example. + +#+BEGIN_EXAMPLE + ethtool -T eth0 +#+END_EXAMPLE + + If the ethtool ioctl is available, then the ptp4l program will use + it in order to discover the proper PHC device. + ** Driver Support Matrix The table below shows the Linux drivers that support the new @@ -102,10 +117,12 @@ | Driver | Hardware | SOTS | PHC | PHY | VER | |------------+-------------------------+------+-----+-----+---------| | bfin_mac | Analog Blackfin | SYS | N | NA | pre 3.0 | - | igb | Intel 82576, 82580 | SYS | N | NA | pre 3.0 | + | igb | Intel 82576, 82580 | RAW | Y | NA | 3.5 | + | ixgb | Intel 82599 | RAW | Y | NA | 3.5 | | dp83640 | Nat Semi PHYTER | RAW | Y | NA | 3.0 | | gianfar | Freescale eTSEC PowerPC | RAW | Y | NA | 3.0 | | ptp_ixp46x | Intel IXP465 | RAW | Y | NA | 3.0 | + | ptp_phc | Lapis EG20T PCH | RAW | Y | NA | 3.5 | |------------+-------------------------+------+-----+-----+---------| *** Software Timestamping @@ -113,12 +130,17 @@ |--------------+--------------------------+------+-----+-----+-----| | Driver | Hardware | SOTS | PHC | PHY | VER | |--------------+--------------------------+------+-----+-----+-----| + | bnx2x | Broadcom Everest | SW | N | N | 3.5 | | davinci_emac | TI DaVinci, Sitara | SW | N | Y | 3.1 | | dnet | Dave Ethernet MAC | SW | N | Y | 3.1 | + | e100 | Intel PRO/100 | SW | N | N | 3.5 | + | e1000 | Intel PRO/1000 PCI/PCI-X | SW | N | N | 3.5 | + | e1000e | Intel PRO/1000 PCIe | SW | N | N | 3.5 | | emaclite | Xilinx Ethernet Lite | SW | N | Y | 3.1 | | ethoc | OpenCores 10/100 MAC | SW | N | Y | 3.1 | | fec | Freescale Coldfire | SW | N | Y | 3.1 | | fec_mpc52xx | Freescale MPC5200 | SW | N | Y | 3.1 | + | forcedeth | NVIDIA nForce | SW | N | N | 3.5 | | fs_enet | Freescale MPC512x | SW | N | Y | 3.1 | | ixp4xx_eth | Intel IXP4xx | SW | N | Y | 3.0 | | lib8390 | Asix AX88796 | SW | N | Y | 3.1 |