| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 8 Feb 2012 11:54:35 -0800 From: greearb@...delatech.com To: netdev@...r.kernel.org Cc: Ben Greear <greearb@...delatech.com> Subject: [PATCH v2 00/10] Low-level Ethernet debugging features. From: Ben Greear <greearb@...delatech.com> This patch series enables some features designed to make testing ethernet devices and debugging link-level errors easier. First, support is added for receiving the Ethernet FCS. This allows stock wireshark to show you the actual Ethernet FCS. Second, allow sending packets with user-specified Ethernet FCS. The user can specify bad FCS in order to test network equipments' handling of FCS errors, or, in strange cases, users might want to implement their own FCS scheme. Third, allow configuring a NIC to receive errored (and possibly other types of packets not normally passed up the stack). This allows sniffers to show packets with bad FCS, for instance. These features have been tested on e100 and e1000e. The e1000 patch has not been tested yet. Changes from first posting: * Ensure nic reset when changing the rx-fcs and rx-all logic in e100 (e1000e already did this). * Use priv-flag for the 'send customized CRC' logic and make it non configurable (if NIC supports it, feature is enabled) Please note that this will only be used when the SKB is specifically flagged as wanting this behaviour. * Use EPROTONOSUPPORT error to indicate the packet-socket's bound NIC does not support the 'send customized CRC' feature. * Some general cleanup, and patch re-ordering. There was a suggestion to throw away packets flagged as bad by the NIC. I did not add any additional logic to do this. I think it is not needed, but I am open to other opinions. Ben Greear (10): net: Support RXFCS feature flag. e100: Support RXFCS feature flag. e1000e: Support RXFCS feature flag. net: Add framework to allow sending packets with customized CRC. e100: Support sending custom Ethernet CRC e1000e: Support sending custom Ethernet CRC. net: Support RX-ALL feature flag. e1000e: Support RXALL feature flag. e100: Support RXALL feature flag. e1000: Support sending custom Ethernet CRC. Documentation/networking/netdev-features.txt | 13 ++++ arch/alpha/include/asm/socket.h | 3 + arch/arm/include/asm/socket.h | 3 + arch/avr32/include/asm/socket.h | 3 + arch/cris/include/asm/socket.h | 3 + arch/frv/include/asm/socket.h | 3 + arch/h8300/include/asm/socket.h | 3 + arch/ia64/include/asm/socket.h | 3 + arch/m32r/include/asm/socket.h | 3 + arch/m68k/include/asm/socket.h | 3 + arch/mips/include/asm/socket.h | 3 + arch/mn10300/include/asm/socket.h | 3 + arch/parisc/include/asm/socket.h | 4 + arch/powerpc/include/asm/socket.h | 3 + arch/s390/include/asm/socket.h | 3 + arch/sparc/include/asm/socket.h | 4 + arch/xtensa/include/asm/socket.h | 3 + drivers/net/ethernet/intel/e100.c | 66 +++++++++++++++++++- drivers/net/ethernet/intel/e1000/e1000_main.c | 13 ++++ drivers/net/ethernet/intel/e1000e/defines.h | 1 + drivers/net/ethernet/intel/e1000e/e1000.h | 1 + drivers/net/ethernet/intel/e1000e/netdev.c | 80 +++++++++++++++++++++--- drivers/net/ethernet/intel/e1000e/param.c | 5 +- include/asm-generic/socket.h | 4 + include/linux/if.h | 2 + include/linux/netdev_features.h | 4 + include/linux/netdevice.h | 8 ++- include/linux/skbuff.h | 4 +- include/net/sock.h | 4 + net/core/ethtool.c | 2 + net/core/skbuff.c | 1 + net/core/sock.c | 4 + net/packet/af_packet.c | 32 +++++++++- 33 files changed, 273 insertions(+), 21 deletions(-) -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists