- 01 Jun, 2013 5 commits
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Stefan Roese authored
The Allwinner A10 has an ethernet controller that seem to be developped internally by them. The exact feature set of this controller is unknown, since there is no public documentation for this IP, and this driver is mostly the one published by Allwinner that has been heavily cleaned up. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Tested-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
The PHY library currently does not know about the the reverse MII connection type. Add it to the list of supported PHY modes and update of_get_phy_mode() to support it and look for the string "rev-mii". Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Nicolas Dichtel authored
This patch adds the support of IPv4 over Ipv4 for the module sit. The gain of this feature is to be able to have 4in4 and 6in4 over the same interface instead of having one interface for 6in4 and another for 4in4 even if encapsulation addresses are the same. To avoid conflicting with ipip module, sit IPv4 over IPv4 protocol is registered with a smaller priority. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Nicolas Dichtel authored
Before this patch, ip_tunnel_xmit() was using the field protocol from the IP header passed into argument. There is no functional change, this patch prepares the support of IPv4 over IPv4 for module sit. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Cong Wang authored
commit 1a37e412 (net: Use 16bits for *_headers fields of struct skbuff) converts skb->*_header to u16, some #if NET_SKBUFF_DATA_USES_OFFSET are now useless, and to be safe, we could just use "X = (typeof(X)) ~0U;" as suggested by David. Cc: David S. Miller <davem@davemloft.net> Cc: Simon Horman <horms@verge.net.au> Signed-off-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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- 31 May, 2013 28 commits
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Simon Horman authored
This corrects an regression introduced by "net: Use 16bits for *_headers fields of struct skbuff" when NET_SKBUFF_DATA_USES_OFFSET is not set. In that case skb->tail will be a pointer whereas skb->network_header will be an offset from head. This is corrected by using wrappers that ensure that calculations are always made using pointers. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
GRO on IPv4 doesn't aggregate frames if they don't have DF bit set. Some servers use IP_MTU_DISCOVER/IP_PMTUDISC_PROBE, so linux receivers are unable to aggregate this kind of traffic. The right thing to do is to allow aggregation as long as the DF bit has same value on all segments. bnx2x LRO does this correctly. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Jerry Chu <hkchu@google.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Ben Hutchings <bhutchings@solarflare.com> Reviewed-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David Majnemer authored
The current state of affairs is that read()/write() will setup RFS (Receive Flow Steering) for internet protocol sockets while poll()/epoll() does not. When poll() gets called with a TCP or UDP socket, we should update the flow target. This permits to RFS (if enabled) to select the appropriate CPU for following incoming packets. Note: Only connected UDP sockets can benefit from RFS. Signed-off-by: David Majnemer <majnemer@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Paul Turner <pjt@google.com> Cc: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Simon Horman authored
Corrects an byte order conflict introduced by "sctp: Correct access to skb->{network, transport}_header". All the values in question are host byte order. Reported-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yijing Wang authored
pci_enable_device() will set device power state to D0, so it's no need to do it again in tulip_init_one(). Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yijing Wang authored
pci_enable_device() will set device power state to D0, so it's no need to do it again in qlcnic_attach_func(). Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yijing Wang authored
pci_enable_device() will set device power state to D0, so it's no need to do it again in jme_init_one(). Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
Add support for this new phy ID. Signed-off-by: Rick Hoover <RHoover@digilentinc.com> Signed-off-by: Steven Wang <steven.wang@digilentinc.com> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
This phy is on Xilinx ZC702 zynq development board. Signed-off-by: Anirudha Sarangi <anirudh@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
Use macros from linux/marvell_phy.h instead of duplicate magic phy ID in the driver. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
Phy is compatible with Vitesse 8221. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
- Remove trailing white space - Remove spaces before tag - Fix comments Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuchung Cheng authored
If the receiver supports DSACK, sender can detect false recoveries and revert cwnd reductions triggered by either severe network reordering or concurrent reordering and loss event. Signed-off-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuchung Cheng authored
Upon detecting spurious fast retransmit via timestamps during recovery, use PRR to clock out new data packet instead of retransmission. Once all retransmission are proven spurious, the sender then reverts the cwnd reduction and congestion state to open or disorder. The current code does the opposite: it undoes cwnd as soon as any retransmission is spurious and continues to retransmit until all data are acked. This nullifies the point to undo the cwnd because the sender is still retransmistting spuriously. This patch fixes it. The undo_ssthresh argument of tcp_undo_cwnd_reductiuon() is no longer needed and is removed. Signed-off-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuchung Cheng authored
Refactor and relocate various functions or variables to prepare the undo fix. Remove some unused function arguments. Rename tcp_undo_cwr to tcp_undo_cwnd_reduction to be consistent with the rest of CWR related function names. Signed-off-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Yuchung Cheng authored
This patch series fixes an undo bug in fast recovery: the sender mistakenly undos the cwnd too early but continues fast retransmits until all pending data are acked. This also multiplies the SNMP stat PARTIALUNDO events by the degree of the network reordering. The first patch prepares the fix by consolidating the accounting of newly_acked_sacked in tcp_cwnd_reduction(), instead of updating newly_acked_sacked everytime sacked_out is adjusted. Also pass acked and prior_unsacked as const type because they are readonly in the rest of recovery processing. Signed-off-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sebastian Hesselbarth authored
This adds device tree parsing support for the shared driver of mv643xx_eth. As the bindings are slightly different from current PPC bindings new binding documentation is also added. Following PPC-style device setup, the shared driver now also adds port platform_devices and sets up port platform_data. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sebastian Hesselbarth authored
Ethernet controllers found on Kirkwood SoCs not only suffer from loosing MAC address register contents on clock gating but also some important registers are reset to values that would break ethernet. This patch clears the CLK125_BYPASS_EN bit for DT enabled Kirkwood only by using of_device_is_compatible() instead of #ifdefs. Non-DT Kirkwood is not affected as it installs a clock gating workaround because of the MAC address issue above. Other Orion SoCs do not suffer from register reset, do not have the bit in question, or do not have the register at all. Moreover, system controllers on PPC using this driver should also be protected from clearing that bit. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sebastian Hesselbarth authored
This connects to a phy node passed to the port device instead of probing the phy by phy_addr. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sebastian Hesselbarth authored
This adds a struct device_node pointer for a phy passed by phandle to mv643xx_eth node. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sebastian Hesselbarth authored
Make use of managed devm_ioremap and remove corresponding iounmap. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Sebastian Hesselbarth authored
Using a separated mdio bus driver with mvmdio, phy_detach on network device removal will not stop the phy and finally lead to NULL pointer dereference in mvmdio due to non-existent network device. Use phy_disconnect instead to properly stop phy device from accessing network device prior removal of the network device. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
Correct email address and years. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
Enable emaclite for Xilinx ARM Zynq platform. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
Emaclite can be used on ARM zynq where in_be32/out_be32 IO functions are not present. Use standard __raw_readl/__raw_writel IO functions instead. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
xemaclite_adjust_link is used locally. It removes sparse warning: drivers/net/ethernet/xilinx/xilinx_emaclite.c:916:6: warning: symbol 'xemaclite_adjust_link' was not declared. Should it be static? Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
For system which contains at least two ethernet IP where one IP manage MDIO bus with several PHYs. Example dts node: ethernet_mac0: ethernet@81000000 { compatible = "xlnx,xps-ethernetlite-1.00.a"; device_type = "network"; interrupt-parent = <&xps_intc_0>; interrupts = < 1 0 >; local-mac-address = [ 00 0a 35 00 db bb ]; phy-handle = <ðernet_mac0_phy0>; reg = < 0x81000000 0x10000 >; xlnx,duplex = <0x1>; xlnx,family = "spartan3e"; xlnx,include-internal-loopback = <0x0>; xlnx,include-mdio = <0x1>; xlnx,rx-ping-pong = <0x0>; xlnx,tx-ping-pong = <0x0>; ethernet_mac0_mdio { #address-cells = <1>; #size-cells = <0>; ethernet_mac0_phy0: phy@1 { reg = <0x1>; } ; ethernet_mac0_phy1: phy@3 { reg = <0x3>; } ; } ; } ; ethernet_mac2: ethernet@81040000 { compatible = "xlnx,xps-ethernetlite-1.00.a"; device_type = "network"; interrupt-parent = <&xps_intc_0>; interrupts = < 11 0 >; local-mac-address = [ 00 0a 35 00 db bb ]; phy-handle = <ðernet_mac0_phy1>; reg = < 0x81040000 0x10000 >; xlnx,duplex = <0x1>; xlnx,family = "spartan3e"; xlnx,include-internal-loopback = <0x0>; xlnx,include-mdio = <0x0>; xlnx,rx-ping-pong = <0x0>; xlnx,tx-ping-pong = <0x0>; } ; Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michal Simek authored
Be more verbose when any problem happens. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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- 30 May, 2013 7 commits
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David S. Miller authored
Manish Chopra says: ==================== This patch series includes following changes: * Log driver version information with firmware version information. * Log "Unknown" adapter name and serial number in case of mismatched adapter type. * netxen_setup_intr() function code cleanup and changes to avoid attaching of multiple pci functions on an adapter with mixed interrupts mode [MSI-X/MSI + INTx]. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Manish Chopra authored
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Manish Chopra authored
o Adapters do not support co-existence of INTx Interrupt with MSI-X or MSI among multiple functions. Prevent attaching of a function during normal load, if adapter gets into mixed mode of interrupts Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Manish Chopra authored
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Manish Chopra authored
o log "Unknown" board name and "Unknown" serial number in case of mismatched adapter type found. This will avoid weird characters logs when an adapter is in bad state or corrupted. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Manish Chopra authored
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.open-mesh.org/linux-mergeDavid S. Miller authored
Included changes: - reduce broadcast overhead on non-lossy wired links - fix typos in kernel doc - use eth_hdr() when possible - use netdev_allock_skb_ip_align() and don't deal with NET_IP_ALIGN - change VID semantic in the BLA component - other minor cleanups and code refactoring Signed-off-by: David S. Miller <davem@davemloft.net>
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