- 26 Jun, 2008 8 commits
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Henrique de Moraes Holschuh authored
Add a notifier chain for use by the rfkill class. This notifier chain signals the following events (more to be added when needed): 1. rfkill: rfkill device state has changed A pointer to the rfkill struct will be passed as a parameter. The notifier message types have been added to include/linux/rfkill.h instead of to include/linux/notifier.h in order to avoid the madness of modifying a header used globally (and that triggers an almost full tree rebuild every time it is touched) with information that is of interest only to code that includes the rfkill.h header. Signed-off-by:
Henrique de Moraes Holschuh <hmh@hmh.eng.br> Acked-by:
Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Henrique de Moraes Holschuh authored
The resume handler should reset the wireless transmitter rfkill state to exactly what it was when the system was suspended. Do it, and do it using the normal routines for state change while at it. The suspend handler should force-switch the transmitter to blocked state, ignoring caches. Do it. Also take an opportunity shot to rfkill_remove_switch() and also force the transmitter to blocked state there, bypassing caches. Signed-off-by:
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Henrique de Moraes Holschuh authored
Unfortunately, instead of adding a generic Wireless WAN type, a technology- specific type (WiMAX) was added. That's useless for other WWAN devices, such as EDGE, UMTS, X-RTT and other such radios. Add a WWAN rfkill type for generic wireless WAN devices. No keys are added as most devices really want to use KEY_WLAN for WWAN control (in a cycle of none, WLAN, WWAN, WLAN+WWAN) and need no specific keycode added. Signed-off-by:
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Henrique de Moraes Holschuh authored
Currently, rfkill support for read/write rfkill switches is hacked through a round-trip over the input layer and rfkill-input to let a driver sync rfkill->state to hardware changes. This is buggy and sub-optimal. It causes real problems. It is best to think of the rfkill class as supporting only write-only switches at the moment. In order to implement the read/write functionality properly: Add a get_state() hook that is called by the class every time it needs to fetch the current state of the switch. Add a call to this hook every time the *current* state of the radio plays a role in a decision. Also add a force_state() method that can be used to forcefully syncronize the class' idea of the current state of the switch. This allows for a faster implementation of the read/write functionality, as a driver which get events on switch changes can avoid the need for a get_state() hook. If the get_state() hook is left as NULL, current behaviour is maintained, so this change is fully backwards compatible with the current rfkill drivers. For hardware that issues events when the rfkill state changes, leave get_state() NULL in the rfkill struct, set the initial state properly before registering with the rfkill class, and use the force_state() method in the driver to keep the rfkill interface up-to-date. get_state() can be called by the class from atomic context. It must not sleep. Signed-off-by:
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Henrique de Moraes Holschuh authored
Currently, radios are always enabled when their rfkill interface is registered. This is not optimal, the safest state for a radio is to be offline unless the user turns it on. Add a module parameter that causes all radios to be disabled when their rfkill interface is registered. The module default is not changed so unless the parameter is used, radios will still be forced to their enabled state when they are registered. The new rfkill module parameter is called "default_state". Signed-off-by:
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Henrique de Moraes Holschuh authored
Teach rfkill-input how to handle SW_RFKILL_ALL events (new name for the SW_RADIO event). SW_RFKILL_ALL is an absolute enable-or-disable command that is tied to all radios in a system. Signed-off-by:
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Henrique de Moraes Holschuh authored
Fix a minor typo in an exported function documentation Signed-off-by:
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Henrique de Moraes Holschuh authored
rfkill really should have been named rfswitch. As it is, one can get confused whether RFKILL_STATE_ON means the KILL switch is on (and therefore, the radio is being *blocked* from operating), or whether it means the RADIO rf output is on. Clearly state that RFKILL_STATE_ON means the radio is *unblocked* from operating (i.e. there is no rf killing going on). Signed-off-by:
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- 25 Jun, 2008 1 commit
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John W. Linville authored
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- 24 Jun, 2008 15 commits
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Eilon Greenstein authored
Updating to version 1.45.6 Signed-off-by:
Eilon Greenstein <eilong@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Wendy Xiong authored
Add PCI recovery functions to the driver. The initial PCI state is also saved so the MSI state can be restored during PCI recovery. Signed-off-by:
Wendy Xiong <wendyx@us.ibm.com> Signed-off-by:
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Yitchak Gertner authored
Added registers, memories, loopback, nvram, interrupt and link tests to the self-test Signed-off-by:
Yitchak Gertner <gertner@broadcom.com> Signed-off-by:
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Eilon Greenstein authored
Add support for IPv6 TSO Re-factor the Tx code with smaller functions to increase readability. Add linearization code in case packet is too fragmented for the microcode to handle. Signed-off-by:
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Vladislav Zolotarov authored
The TPA stands for Transparent Packet Aggregation. When enabled, the FW aggregate in-order TCP packets according to the 4-tuple match and sends 1 big packet to the driver. This packet is stored on an SGL in which each SGE is 1 page. The FW also implements a timeout algorithm and it honors all TCP flag, including the push flag as a trigger to halt aggregation. After receiving Ben Hutchings comments, we also added ethtool support, so now, thanks to Ben's patch, when forwarding is enabled, our aggregation is turned off using the LRO flags. Signed-off-by:
Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by:
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Yitchak Gertner authored
To avoid race conditions with link up/down and driver up/down - the statistics handling was re-written in a form of state machine. Also supporting statistics for 57711 Signed-off-by:
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Eilon Greenstein authored
Supporting the 57711 and 57711E - refers to in the code as E1H. The 57710 is referred to as E1. To support the new members in the family, the bnx2x structure was divided to 3 parts: common, port and function. These changes caused some rearrangement in the bnx2x.h file. A set of accessories macros were added to make access to the bnx2x structure more readable Signed-off-by:
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Eilon Greenstein authored
The new Microcode BLOB - broken into a separate patch to make it small enough for the mailing list Signed-off-by:
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Eilon Greenstein authored
The new Microcode BLOB - broken into a separate patch to make it small enough for the mailing list Signed-off-by:
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Eilon Greenstein authored
The new Microcode BLOB - broken into a separate patch to make it small enough for the mailing list Signed-off-by:
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Eilon Greenstein authored
Removing the old Microcode from the BLOB - broken into a separate patch to make it small enough for the mailing list Signed-off-by:
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Eilon Greenstein authored
This new initialization code supports the 57711 HW. It also supports the emulation and FPGA for the 57711 and 57710 initializations values (very small amount of code which is very helpful in the lab - less than 30 lines). The initialization is done via DMAE after the DMAE block is ready - before it is ready, some of the initialization is done via PCI configuration transactions (referred to as indirect write). A mutex to protect the DMAE from being overlapped was added. There are few new registers which needs to be initialized by SW - the full comment for those registers is added to the register file. A place holder for the 57711 (referred to as E1H) microcode was added- the microcode itself is too big and it is split over the following 4 patches Signed-off-by:
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Yaniv Rosner authored
New Link code: Moving all the link related code (including the calculations, the initialization of the MAC and PHY and the external PHY's code) into a separated file. The changes from the code that used to be part of bnx2x.c (now called bnx2x_main.c) are: - Using separate structures for link inputs and link outputs to clearly identify what was configured and what is the outcome - Adding code to read external PHY FW version and print it as part of ethtool -i - Adding code to upgrade external PHY FW from ethtool -E with special magic number - Changing the link down indication to ERR level - Adding a lock on all PHY access to prevent an interrupt and setting changes to overlap - Adding support for emulation and FPGA (small chunk of code that really helps in the lab) - Adding support for 1G on BCM8706 PHY - Adding clear debug print incase of fan failure (the PHY type is now "failure") Signed-off-by:
Yaniv Rosner <yanivr@broadcom.com> Signed-off-by:
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Yaniv Rosner authored
This patch is int the new bnx2x_link files (C and H). The files are still not used in this patch, only in the next one so the patch will be small enough for the mailing list. Signed-off-by:
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Eilon Greenstein authored
This patch is the rename of bnx2x.c to bnx2x_main.c. Signed-off-by:
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- 20 Jun, 2008 1 commit
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Vlad Yasevich authored
Signed-off-by:
Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by:
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- 19 Jun, 2008 13 commits
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Michael Chan authored
And update module description. Signed-off-by:
Michael Chan <mchan@broadcom.com> Signed-off-by:
Benjamin Li <benli@broadcom.com> Signed-off-by:
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Michael Chan authored
All error handling in bnx2_open() can be consolidated. Signed-off-by:
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Michael Chan authored
Enable multiple rx rings if MSI-X vectors are available. We enable up to 7 rx rings. Signed-off-by:
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Michael Chan authored
Signed-off-by:
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Michael Chan authored
Use the same MSI-X handler to schedule NAPI. Change the dev_instance void pointer to the bnx2_napi struct instead so we can have the proper context for each MSI-X vector. Add a new bnx2_poll_msix() that is optimized for handling MSI-X NAPI polling of rx/tx work only. Remove the old bnx2_tx_poll() that is no longer needed. Each MSI-X vector handles 1 tx and 1 rx ring. The first vector handles link events as well. Signed-off-by:
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Michael Chan authored
Add hw_tx_cons_ptr and hw_rx_cons_ptr to speed up the retreival of the tx and rx consumer index, since the MSI-X and default status blocks have different structures. Combine status_blk and status_blk_msix into a union. We'll only use one type of status block for each vector. Separate the code to detect more rx and tx work from the code to detect link related work. Signed-off-by:
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Michael Chan authored
In preparation for multi-ring support, rx ring variables are now put in a separate bnx2_rx_ring_info struct. With MSI-X, we can support multiple rx rings. The functions to allocate/free rx memory and to initialize rx rings are now modified to handle multiple rings. Signed-off-by:
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Michael Chan authored
In preparation for multi-ring support, tx ring variables are now put in a separate bnx2_tx_ring_info struct. Multi tx ring will not be enabled until it is fully supported by the stack. Only 1 tx ring will be used at the moment. The functions to allocate/free tx memory and to initialize tx rings are now modified to handle multiple rings. Signed-off-by:
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Ben Hutchings authored
Add skb_warn_if_lro() to test whether an skb was received with LRO and warn if so. Change br_forward(), ip_forward() and ip6_forward() to call it) and discard the skb if it returns true. Signed-off-by:
Ben Hutchings <bhutchings@solarflare.com> Signed-off-by:
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Ben Hutchings authored
Large Receive Offload (LRO) is only appropriate for packets that are destined for the host, and should be disabled if received packets may be forwarded. It can also confuse the GSO on output. Add dev_disable_lro() function which uses the appropriate ethtool ops to disable LRO if enabled. Add calls to dev_disable_lro() in br_add_if() and functions that enable IPv4 and IPv6 forwarding. Signed-off-by:
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Vlad Yasevich authored
RFC 4960, Section 11.4. Protection of Non-SCTP-Capable Hosts When an SCTP stack receives a packet containing multiple control or DATA chunks and the processing of the packet requires the sending of multiple chunks in response, the sender of the response chunk(s) MUST NOT send more than one packet. If bundling is supported, multiple response chunks that fit into a single packet MAY be bundled together into one single response packet. If bundling is not supported, then the sender MUST NOT send more than one response chunk and MUST discard all other responses. Note that this rule does NOT apply to a SACK chunk, since a SACK chunk is, in itself, a response to DATA and a SACK does not require a response of more DATA. We implement this by not servicing our outqueue until we reach the end of the packet. This enables maximum bundling. We also identify 'response' chunks and make sure that we only send 1 packet when sending such chunks. Signed-off-by:
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Wei Yongjun authored
This patch add to validate initiate tag and chunk type if verification tag is 0 when handling ICMP message. RFC 4960, Appendix C. ICMP Handling ICMP6) An implementation MUST validate that the Verification Tag contained in the ICMP message matches the Verification Tag of the peer. If the Verification Tag is not 0 and does NOT match, discard the ICMP message. If it is 0 and the ICMP message contains enough bytes to verify that the chunk type is an INIT chunk and that the Initiate Tag matches the tag of the peer, continue with ICMP7. If the ICMP message is too short or the chunk type or the Initiate Tag does not match, silently discard the packet. Signed-off-by:
Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by:
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David S. Miller authored
Conflicts: net/mac80211/tx.c
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- 18 Jun, 2008 2 commits
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Johannes Berg authored
When a driver rejects a frame in it's ->tx() callback, it must also stop queues, otherwise mac80211 can go into a loop here. Detect this situation and abort the loop after five retries, warning about the driver bug. Signed-off-by:
Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
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Patrick McHardy authored
genetlink has a circular locking dependency when dumping the registered families: - dump start: genl_rcv() : take genl_mutex genl_rcv_msg() : call netlink_dump_start() while holding genl_mutex netlink_dump_start(), netlink_dump() : take nlk->cb_mutex ctrl_dumpfamily() : try to detect this case and not take genl_mutex a second time - dump continuance: netlink_rcv() : call netlink_dump netlink_dump : take nlk->cb_mutex ctrl_dumpfamily() : take genl_mutex Register genl_lock as callback mutex with netlink to fix this. This slightly widens an already existing module unload race, the genl ops used during the dump might go away when the module is unloaded. Thomas Graf is working on a seperate fix for this. Signed-off-by:Patrick McHardy <kaber@trash.net> Signed-off-by:
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