- 03 Jun, 2009 6 commits
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Bruce Allan authored
This patch provides support for the next generation Intel desktop and mobile gigabit ethernet LOM adapters. These adapters are the follow-on parts to the LOMs tied to the prior ICH chipsets and are comprised of a MAC in the PCH chipset and an external PHY (82577 for mobile and 82578 for desktop versions). New features consist of PHY wakeup to save power by completely turning off the MAC while in Sx state, and 4K jumbo frames. Signed-off-by:
Bruce Allan <bruce.w.allan@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bruce Allan authored
By putting the maximum frame size supported by the hardware into the adapter structure, the change_mtu entry point function can be cleaned up of checks for all the different max frame sizes supported by Signed-off-by: -
Bruce Allan authored
The flow control thresholds, i.e. high and low watermarks of the Rx FIFO for when the hardware should transmit PAUSE frames (XON and XOFF, respectively), need to be tuned for more efficient use of the FIFO. The logic to set the thresholds for parts that support early-receive (ERT) was also wrong in that it should check whether jumbo frames are in use. Signed-off-by:
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Bruce Allan authored
During reset, the driver was attempting to disable the Smart Powerdown feature even if the part does not support Smart Powerdown. Check for support before attempting to disable the feature. Signed-off-by:
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Bruce Allan authored
CRC stripping should be enabled by default but was not if it was not specified as a module parameter. Signed-off-by:
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David S. Miller authored
Conflicts: drivers/net/forcedeth.c
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- 02 Jun, 2009 18 commits
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Yevgeny Petrilin authored
Signed-off-by:
Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by:
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Yevgeny Petrilin authored
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Yevgeny Petrilin authored
By default the driver opens 8 TX queues (defined by MLX4_EN_NUM_TX_RINGS). If the driver is configured to support Per Priority Flow Control, we open 8 additional TX rings. dev->real_num_tx_queues is always set to be MLX4_EN_NUM_TX_RINGS. The mlx4_en_select_queue() function uses standard hashing (skb_tx_hash) in case that PPFC is not supported or the skb contain a vlan tag, otherwise the queue is selected according to vlan priority. Signed-off-by:
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Yevgeny Petrilin authored
The interrupt moderation should not depend on number of incoming bytes, but on number of incoming packets. The previous scheme caused very high interrupts rate for small messages when big MTU was configured. Signed-off-by:
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Yevgeny Petrilin authored
If the initialization of one of the ports failed, there is no need to fail the other one as well. Signed-off-by:
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Yevgeny Petrilin authored
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Yevgeny Petrilin authored
en_params.c file now only handles Ethtool functionality Signed-off-by:
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Yevgeny Petrilin authored
For each debug message, the message will show interface name in case that the net device was registered, and PCI bus ID with port number if we were not registered yet. Messages that are not port/netdev specific stayed in the old format Signed-off-by:
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Minoru Usui authored
net_cls: fix unconfigured struct tcf_proto keeps chaining and avoid kernel panic when we use cls_cgroup This patch fixes a bug which unconfigured struct tcf_proto keeps chaining in tc_ctl_tfilter(), and avoids kernel panic in cls_cgroup_classify() when we use cls_cgroup. When we execute 'tc filter add', tcf_proto is allocated, initialized by classifier's init(), and chained. After it's chained, tc_ctl_tfilter() calls classifier's change(). When classifier's change() fails, tc_ctl_tfilter() does not free and keeps tcf_proto. In addition, cls_cgroup is initialized in change() not in init(). It accesses unconfigured struct tcf_proto which is chained before change(), then hits Oops. Signed-off-by:
Minoru Usui <usui@mxm.nes.nec.co.jp> Signed-off-by:
Jarek Poplawski <jarkao2@gmail.com> Signed-off-by:
Jamal Hadi Salim <hadi@cyberus.ca> Tested-by:
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Neil Horman authored
Patch to fix bad length checking in e1000. E1000 by default does two things: 1) Spans rx descriptors for packets that don't fit into 1 skb on recieve 2) Strips the crc from a frame by subtracting 4 bytes from the length prior to doing an skb_put Since the e1000 driver isn't written to support receiving packets that span multiple rx buffers, it checks the End of Packet bit of every frame, and discards it if its not set. This places us in a situation where, if we have a spanning packet, the first part is discarded, but the second part is not (since it is the end of packet, and it passes the EOP bit test). If the second part of the frame is small (4 bytes or less), we subtract 4 from it to remove its crc, underflow the length, and wind up in skb_over_panic, when we try to skb_put a huge number of bytes into the skb. This amounts to a remote DOS attack through careful selection of frame size in relation to interface MTU. The fix for this is already in the e1000e driver, as well as the e1000 sourceforge driver, but no one ever pushed it to e1000. This is lifted straight from e1000e, and prevents small frames from causing the underflow described above Signed-off-by:
Neil Horman <nhorman@tuxdriver.com> Tested-by:
Andy Gospodarek <andy@greyhouse.net> Signed-off-by:
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Nivedita Singhvi authored
After some discussion offline with Christoph Lameter and David Stevens regarding multicast behaviour in Linux, I'm submitting a slightly modified patch from the one Christoph submitted earlier. This patch provides a new socket option IP_MULTICAST_ALL. In this case, default behaviour is _unchanged_ from the current Linux standard. The socket option is set by default to provide original behaviour. Sockets wishing to receive data only from multicast groups they join explicitly will need to clear this socket option. Signed-off-by:
Nivedita Singhvi <niv@us.ibm.com> Signed-off-by: Christoph Lameter<cl@linux.com> Acked-by:
David Stevens <dlstevens@us.ibm.com> Signed-off-by:
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Eric Dumazet authored
Pure cleanups Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
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Brian Haley authored
Print-out the error value when sock_alloc_send_skb() fails in the IPv6 neighbor discovery code - can be useful for debugging. Signed-off-by:
Brian Haley <brian.haley@hp.com> Signed-off-by:
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Ed Swierk authored
Add a phy_power_down parameter to forcedeth: set to 1 to power down the phy and disable the link when an interface goes down; set to 0 to always leave the phy powered up. The phy power state persists across reboots; Windows, some BIOSes, and older versions of Linux don't bother to power up the phy again, forcing users to remove all power to get the interface working (see http://bugzilla.kernel.org/show_bug.cgi?id=13072). Leaving the phy powered on is the safest default behavior. Users accustomed to seeing the link state reflect the interface state and/or wanting to minimize power consumption can set phy_power_down=1 if compatibility with other OSes is not an issue. Signed-off-by:
Ed Swierk <eswierk@aristanetworks.com> Signed-off-by:
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Rémi Denis-Courmont authored
Signed-off-by:
Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by:
Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by:
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Rémi Denis-Courmont authored
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Rémi Denis-Courmont authored
Network device TX is never run in IRQ context, and skb is freed outside of the IRQ-disabling spin lock. So checking for IRQ was a waste of time here. Signed-off-by:
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Rémi Denis-Courmont authored
In the unlikely event that gprs_writeable() and gprs_xmit() check for writeability at the same, we could stop the device queue forever. Signed-off-by:
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- 01 Jun, 2009 10 commits
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Joe Perches authored
Slight refactoring of duplicated wait for idle checks Spelling fix Signed-off-by:
Joe Perches <joe@perches.com> Acked-by: jie.yang@atheros.com Signed-off-by:
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Maciej W. Rozycki authored
Several EISA device IDs for 3c509 family network cards are missing from the driver, making the cards unusable in their EISA mode. Here's a fix to add them based on the EISA configuration files distributed by 3Com and our eisa.ids database. Signed-off-by:
Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by:
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Brian Haley authored
Add 'autoconf' and 'disable_ipv6' parameters to the IPv6 module. The first controls if IPv6 addresses are autoconfigured from prefixes received in Router Advertisements. The IPv6 loopback (::1) and link-local addresses are still configured. The second controls if IPv6 addresses are desired at all. No IPv6 addresses will be added to any interfaces. Signed-off-by:
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Stefan Weil authored
We should not be stopping the subqueues in cpmac_end_xmit but rather test the status of them. Replace the calls to netif_subqueue_stop by __netif_subqueue_stopped. This fixes an unrecoverable exception from happening when running the driver. Signed-off-by:
Stefan Weil <weil@mail.berlios.de> Signed-off-by:
Florian Fainelli <florian@openwrt.org> Signed-off-by:
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Florian Fainelli authored
This patch removes the unused variables in cpmac_hw_error, cpmac_tx_timeout and cpmac_probe. Signed-off-by:
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Wolfgang Grandegger authored
This patch adds a generic driver for SJA1000 chips on the OpenFirmware platform bus found on embedded PowerPC systems. You need a SJA1000 node definition in your flattened device tree source (DTS) file similar to: can@3,100 { compatible = "nxp,sja1000"; reg = <3 0x100 0x80>; interrupts = <2 0>; interrupt-parent = <&mpic>; nxp,external-clock-frequency = <16000000>; }; See also Documentation/powerpc/dts-bindings/can/sja1000.txt. CC: devicetree-discuss@ozlabs.org Signed-off-by:Wolfgang Grandegger <wg@grandegger.com> Signed-off-by:
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Wolfgang Grandegger authored
As discussed on the netdev mailing list, the member "base_addr" of "struct net_device" should not be (mis)used to store the virtual address to the SJA1000 register area. According to David Miller, it's only use is to allow ISA and similar primitive bus devices to have their I/O ports changed via ifconfig. The virtual address is now stored in the private data structure of the SJA1000 device and the callback functions use "struct sja1000_priv" instead of the unneeded "struct net_device". Signed-off-by:
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Wolfgang Grandegger authored
This patch fixes a few errors sneaked into the initial version of the device driver interface. Signed-off-by:
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Florian Fainelli authored
This patch adds me as the maintainer of the CPMAC (AR7) Ethernet driver. Signed-off-by:
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- 31 May, 2009 1 commit
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Eric Dumazet authored
Last two drivers that need skb->dst in their start_xmit() function Tell dev_hard_start_xmit() to no release it by unsetting IFF_XMIT_DST_RELEASE Signed-off-by:
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- 30 May, 2009 5 commits
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André Goddard Rosa authored
Warning messages coming from rtl8150 driver can flood the console and make a DTV/set-top-box unable to decode video/audio frames. 'Pegasus' driver handles this situation similarly, preventing this from happening there. It happens with a low cost BCM MIPS embedded platform, whenever timeout errors were coming from usbnet device, making platform unusable for viewer watching. Signed-off-by:
André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by:
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Fabio Estevam authored
Add FEC support for MX35 processor. Signed-off-by:
Fabio Estevam <fabio.estevam@freescale.com> Acked-by:
Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by:
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Tadashi Abe authored
This patch adds power management suspend/resume hooks for irda-usb. Signed-off-by:
Tadashi Abe <tabe@mvista.com> Signed-off-by:
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Finn Thain authored
mac8390: use printk MAC address format Signed-off-by:
Finn Thain <fthain@telegraphics.com.au> Signed-off-by:
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Jiri Pirko authored
This patch converts unicast address list to standard list_head using previously introduced struct netdev_hw_addr. It also relaxes the locking. Original spinlock (still used for multicast addresses) is not needed and is no longer used for a protection of this list. All reading and writing takes place under rtnl (with no changes). I also removed a possibility to specify the length of the address while adding or deleting unicast address. It's always dev->addr_len. The convertion touched especially e1000 and ixgbe codes when the change is not so trivial. Signed-off-by:
Jiri Pirko <jpirko@redhat.com> drivers/net/bnx2.c | 13 +-- drivers/net/e1000/e1000_main.c | 24 +++-- drivers/net/ixgbe/ixgbe_common.c | 14 ++-- drivers/net/ixgbe/ixgbe_common.h | 4 +- drivers/net/ixgbe/ixgbe_main.c | 6 +- drivers/net/ixgbe/ixgbe_type.h | 4 +- drivers/net/macvlan.c | 11 +- drivers/net/mv643xx_eth.c | 11 +- drivers/net/niu.c | 7 +- drivers/net/virtio_net.c | 7 +- drivers/s390/net/qeth_l2_main.c | 6 +- drivers/scsi/fcoe/fcoe.c | 16 ++-- include/linux/netdevice.h | 18 ++-- net/8021q/vlan.c | 4 +- net/8021q/vlan_dev.c | 10 +- net/core/dev.c | 195 +++++++++++++++++++++++++++----------- net/dsa/slave.c | 10 +- net/packet/af_packet.c | 4 +- 18 files changed, 227 insertions(+), 137 deletions(-) Signed-off-by:
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