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2011-11-28cls_flow: use skb_flow_dissect()Eric Dumazet1-132/+48
Instead of using a custom flow dissector, use skb_flow_dissect() and benefit from tunnelling support. This lack of tunnelling support was mentioned by Dan Siemon. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28net: use skb_flow_dissect() in __skb_get_rxhash()Eric Dumazet1-111/+14
No functional changes. This uses the code we factorized in skb_flow_dissect() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28net: introduce skb_flow_dissect()Eric Dumazet3-1/+150
We use at least two flow dissectors in network stack, with known limitations and code duplication. Introduce skb_flow_dissect() to factorize this, highly inspired from existing dissector from __skb_get_rxhash() Note : We extensively use skb_header_pointer(), this permits us to not touch skb at all. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: Change value comparison orderYaniv Rosner1-23/+23
Change comparison order such that the variable will come before the compared value. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: Cosmetic changesYaniv Rosner2-216/+199
Fix spelling, alignment, empty lines, relocate the is_4_port_mode function, and split bnx2x_link_status_update function. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: Fix self test of BCM57800Yaniv Rosner1-2/+12
Fix the MAC test of the 1G port of the BCM57800 to use the UMAC instead of the XMAC. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: Add known PHY type checkYaniv Rosner1-0/+4
The populate function will fail in case an unknown external PHY is detected. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: Change Warpcore MDIO work around modeYaniv Rosner1-1/+3
This patch enables the usage of simpler MDC/MDIO work-around when accessing Warpcore registers. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: Fix BCM84833 link and LED behaviorYaniv Rosner2-184/+223
This patch contain several fixes for the BCM84833. This PHY is still not in bnx2x production, hence this patch can be considered as enhancement. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: Warpcore HW reset following fan failureYaniv Rosner2-0/+17
Put Warpcore in low power mode in case of fan failure to reduce heat. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: ETS changesYaniv Rosner2-4/+17
Fix a problem when new traffic class is created with 0% BW, the ETS is not conforming. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28bnx2x: PFC changesYaniv Rosner2-76/+179
Change BRB to work in per class guaranteed mode and handle cases for BW 0%. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-28tcp: tcp_sendmsg() wrong access to sk_route_capsEric Dumazet1-4/+4
Now sk_route_caps is u64, its dangerous to use an integer to store result of an AND operator. It wont work if NETIF_F_SG is moved on the upper part of u64. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/irda: convert drivers/net/irda/* to use module_platform_driver()Axel Lin4-48/+4
This patch converts the drivers in drivers/net/irda/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27tcp: skip cwnd moderation in TCP_CA_Open in tcp_try_to_openNeal Cardwell1-1/+2
The problem: Senders were overriding cwnd values picked during an undo by calling tcp_moderate_cwnd() in tcp_try_to_open(). The fix: Don't moderate cwnd in tcp_try_to_open() if we're in TCP_CA_Open, since doing so is generally unnecessary and specifically would override a DSACK-based undo of a cwnd reduction made in fast recovery. Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27tcp: allow undo from reordered DSACKsNeal Cardwell1-13/+2
Previously, SACK-enabled connections hung around in TCP_CA_Disorder state while snd_una==high_seq, just waiting to accumulate DSACKs and hopefully undo a cwnd reduction. This could and did lead to the following unfortunate scenario: if some incoming ACKs advance snd_una beyond high_seq then we were setting undo_marker to 0 and moving to TCP_CA_Open, so if (due to reordering in the ACK return path) we shortly thereafter received a DSACK then we were no longer able to undo the cwnd reduction. The change: Simplify the congestion avoidance state machine by removing the behavior where SACK-enabled connections hung around in the TCP_CA_Disorder state just waiting for DSACKs. Instead, when snd_una advances to high_seq or beyond we typically move to TCP_CA_Open immediately and allow an undo in either TCP_CA_Open or TCP_CA_Disorder if we later receive enough DSACKs. Other patches in this series will provide other changes that are necessary to fully fix this problem. Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27tcp: use SACKs and DSACKs that arrive on ACKs below snd_unaNeal Cardwell1-3/+7
The bug: When the ACK field is below snd_una (which can happen when ACKs are reordered), senders ignored DSACKs (preventing undo) and did not call tcp_fastretrans_alert, so they did not increment prr_delivered to reflect newly-SACKed sequence ranges, and did not call tcp_xmit_retransmit_queue, thus passing up chances to send out more retransmitted and new packets based on any newly-SACKed packets. The change: When the ACK field is below snd_una (the "old_ack" goto label), call tcp_fastretrans_alert to allow undo based on any newly-arrived DSACKs and try to send out more packets based on newly-SACKed packets. Other patches in this series will provide other changes that are necessary to fully fix this problem. Signed-off-by: Neal Cardwell <ncardwell@google.com> Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27tcp: use DSACKs that arrive when packets_out is 0Neal Cardwell1-0/+4
The bug: Senders ignored DSACKs after recovery when there were no outstanding packets (a common scenario for HTTP servers). The change: when there are no outstanding packets (the "no_queue" goto label), call tcp_fastretrans_alert() in order to use DSACKs to undo congestion window reductions. Other patches in this series will provide other changes that are necessary to fully fix this problem. Signed-off-by: Neal Cardwell <ncardwell@google.com> Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27tcp: make is_dupack a parameter to tcp_fastretrans_alert()Neal Cardwell1-4/+8
Allow callers to decide whether an ACK is a duplicate ACK. This is a prerequisite to allowing fastretrans_alert to be called from new contexts, such as the no_queue and old_ack code paths, from which we have extra info that tells us whether an ACK is a dupack. Signed-off-by: Neal Cardwell <ncardwell@google.com> Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/mlx4_en: bug fix for the case of vlan id 0 and UP 0Amir Vadai1-2/+4
When using vlan 0 and UP 0, vlan header wasn't placed. Signed-off-by: Amir Vadai <amirv@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/mlx4_en: adding loopback supportAmir Vadai4-2/+22
Device must be in promiscuous mode or DMAC must be same as the host MAC, or else packet will be dropped by the HW rx filtering. Signed-off-by: Amir Vadai <amirv@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/mlx4_en: fix WOL handlers were always looking at port2 capability bitOren Duer2-3/+20
There are 2 capability bits for WOL, one for each port. WOL handlers were looking only on the second bit, regardless of the port. Signed-off-by: Oren Duer <oren@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/mlx4_en: using non collapsed CQ on TXYevgeny Petrilin2-38/+36
Moving to regular Completion Queue implementation (not collapsed) Completion for each transmitted packet is written to new entry. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/mlx4_en: fix sparse warning on a cast which truncates bits from constant valueOr Gerlitz1-1/+1
the MLX4_EN_WOL_DO_MODIFY flag which is defined through enum targets bit 63, this triggers a "cast truncate bits from constant value (8000000000000000 becomes 0)" warning from sparse, fix that by using define instead of enum. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/mlx4: fix UDP RSS related settingsOr Gerlitz1-3/+5
Using RSS which takes into account UDP headers is controlled by a module param, fix the setting of the HW RSS context to align with that scheme. So far it was uncoditionally allowing hashing on the UDP headers. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27net/mlx4: move RSS related definitions to be globalOr Gerlitz4-15/+34
Towards adding RSS support for IB drivers/application who use the mlx4 HW, make the RSS related definitions global and change the mlx4_en driver to use them. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-27isdn/gigaset: report ISDN4Linux interface only onceTilman Schmidt1-2/+1
Move the "ISDN4Linux interface" message from device registration, where it is emitted for each device, to driver registration, where it is emitted only once, for consistency with the CAPI variant. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26ifenslave: Fix unused variable warnings.David S. Miller1-0/+2
Documentation/networking/ifenslave.c: In function ‘if_getconfig’: Documentation/networking/ifenslave.c:508:14: warning: variable ‘mtu’ set but not used [-Wunused-but-set-variable] Documentation/networking/ifenslave.c:508:6: warning: variable ‘metric’ set but not used [-Wunused-but-set-variable] The purpose of this function is to simply print out the values it probes, so... Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26atm: eliminate atm_guess_pdu2truesize()chas williams - CONTRACTOR3-13/+3
Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26virtio_net: return already tracked tx_fifo_errors via virtnet_getstats()Rick Jones1-0/+1
Tx_fifo_errors are tracked in start_xmit_ for virtio_net, but not reported in the tallies returned by virtnet_stats(). Return them as the rx "sub-stats" rx_length_errors and rx_frame_errors are. Signed-off-by: Rick Jones <rick.jones2@hp.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26ray_cs: Fix array bounds warnings.David S. Miller2-4/+4
rx_msg is defined to have a 1 entry array at the end, so gcc warns: drivers/net/wireless/ray_cs.c: In function ‘rx_authenticate’: drivers/net/wireless/ray_cs.c:2436:3: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2436:3: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2436:3: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2436:3: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2436:3: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2439:15: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2452:16: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2453:18: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/ray_cs.c:2453:32: warning: array subscript is above array bounds [-Warray-bounds] Use a zero length array and rename to "ray_rx_msg" to make sure we hit all of the necessary cases. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26airo: Fix array bounds warning when moving packet payload.David S. Miller1-2/+2
drivers/net/wireless/airo.c: In function ‘encapsulate’: drivers/net/wireless/airo.c:1421:15: warning: array subscript is above array bounds [-Warray-bounds] drivers/net/wireless/airo.c: In function ‘decapsulate’: drivers/net/wireless/airo.c:1509:16: warning: array subscript is above array bounds [-Warray-bounds] Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26KSZ8851-SNL: Add ethtool support for EEPROM via eeprom_93cx6Ben Dooks3-320/+120
Add ethtool EEPROM read/write support using the eeprom_93cx6 library instead of open-coding the functions. Depends on eeprom_93cx6 driver getting EEPROM write support. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Linux Team <linux@simtec.co.uk> [sboyd@codeaurora.org: Removed previous eeprom implementation] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26KSZ8851-SNL: Fix MAC address change problemTristram Ha2-21/+28
When device is off it is under power saving mode. Changing the MAC address in that situation will result in the device not communicating as the first write to the MAC address register is not executed. Signed-off-by: Tristram Ha <Tristram.Ha@micrel.com> [ben@simtec.co.uk: cleaned up header] Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26KSZ8851-SNL: Add support for EEPROM MAC addressBen Dooks1-7/+34
Add support for reading the MAC address from the system registers if there is an EEPROM present. This involves caching the KS_CCR register for later use (will also be useful for ETHTOOL support) and adding a print to say that there is an EEPROM present. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26eeprom_93cx6: Add write supportBen Dooks2-0/+91
Add support for writing data to EEPROM. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Jean Delvare <khali@linux-fr.org> Cc: Linux Kernel <linux-kernel@vger.kernel.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26eeprom_93cx6: Add data direction control.Ben Dooks2-0/+5
Some devices need to know if the data is to be output or read, so add a data direction into the eeprom structure to tell the driver whether the data line should be driven. The user in this case is the Micrel KS8851 which has a direction control for the EEPROM data line and thus needs to know whether to drive it (writing) or to tristate it for receiving. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26be2net: Fix non utilization of RX queuesPadmanabh Ratnakar1-6/+10
When non power of two MSIX vectors are given to driver, some RX queues are not utilized. Program RSS table in such a way that all queues are utilized. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26be2net: Use new hash keyPadmanabh Ratnakar1-2/+3
This new hash key gives better distribution of packets across RX queues. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26be2net: Add error handling for LancerPadmanabh Ratnakar1-49/+106
Detect error in Lancer by polling a HW register and recover from this error if it is recoverable. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26be2net: Fix error recovery pathsPadmanabh Ratnakar1-1/+4
When TX queues are created again after error recovery, netif_set_real_num_tx_queues() is invoked to update number of real TX queues created. rtnl lock needs to be held when invoking this routine. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26be2net: Move to new SR-IOV implementation in LancerPadmanabh Ratnakar3-25/+200
SR-IOV implementation is Lancer has changed in following ways - 1)PF driver assigns one MAC addresses for VF using COMMON_SET_IFACE_MAC_LIST. 2)VF driver queries its MAC address using COMMON_GET_IFACE_MAC_LIST command and assigns it to its interface. Signed-off-by: Mammatha Edhala <mammatha.edhala@emulex.com> Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26bonding: Remove obsolete source file 'bond_ipv6.c'Ben Hutchings1-223/+0
This file is now unused and should have been removed by commit 7c89943236750537d26421d9bbb6f6575e2d1e1b ("bonding, ipv4, ipv6, vlan: Handle NETDEV_BONDING_FAILOVER like NETDEV_NOTIFY_PEERS"). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26net: Use IS_ENABLED() in netdevice.h as appropriateBen Hutchings1-10/+8
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26dsa: Allow core and drivers to be built as modulesBen Hutchings3-8/+12
Change the kconfig types to tristate and adjust the condition for declaring net_device::dsa_ptr to allow for this. Adjust the makefile so that if NET_DSA_MV88E6123_61_65=y and NET_DSA_MV88E6131=m or vice versa then both drivers are built-in. We could leave these options as bool and make NET_DSA_MV88E6XXX a user-selected option, but that would break existing configurations. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26dsa: Define module author, description, license and aliases for driversBen Hutchings4-0/+18
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26mv88e6xxx: Combine mv88e6131 and mv88e612_61_65 driversBen Hutchings5-31/+32
These drivers share a lot of code, so if we make them modular they should be built into the same module. Therefore, link them together and merge their respective module init and exit functions. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26dsa: Combine core and tagging codeBen Hutchings6-49/+38
These files have circular dependencies, so if we make DSA modular then they must be built into the same module. Therefore, link them together and merge their respective module init and exit functions. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26dsa: Export functions from core to modulesBen Hutchings2-0/+4
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-26dsa: Change dsa_uses_{dsa, trailer}_tags() into inline functionsBen Hutchings4-59/+52
eth_type_trans() will use these functions if DSA is enabled, which blocks building DSA as a module. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
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