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* ipsec: update MAX_AH_AUTH_LEN to support sha512Nicolas Dichtel2011-01-131-1/+1
| | | | | | | | icv_truncbits is set to 256 for sha512, so update MAX_AH_AUTH_LEN to 64. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: remove dev_txq_stats_fold()Eric Dumazet2011-01-137-53/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After recent changes, (percpu stats on vlan/tunnels...), we dont need anymore per struct netdev_queue tx_bytes/tx_packets/tx_dropped counters. Only remaining users are ixgbe, sch_teql, gianfar & macvlan : 1) ixgbe can be converted to use existing tx_ring counters. 2) macvlan incremented txq->tx_dropped, it can use the dev->stats.tx_dropped counter. 3) sch_teql : almost revert ab35cd4b8f42 (Use net_device internal stats) Now we have ndo_get_stats64(), use it, even for "unsigned long" fields (No need to bring back a struct net_device_stats) 4) gianfar adds a stats structure per tx queue to hold tx_bytes/tx_packets This removes a lockdep warning (and possible lockup) in rndis gadget, calling dev_get_stats() from hard IRQ context. Ref: http://www.spinics.net/lists/netdev/msg149202.html Reported-by: Neil Jones <neiljay@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Jarek Poplawski <jarkao2@gmail.com> CC: Alexander Duyck <alexander.h.duyck@intel.com> CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com> CC: Sandeep Gopalpet <sandeep.kumar@freescale.com> CC: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of git://1984.lsi.us.es/net-2.6David S. Miller2011-01-131-1/+2
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| * netfilter: ctnetlink: fix loop in ctnetlink_get_conntrack()Pablo Neira Ayuso2011-01-131-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a loop in ctnetlink_get_conntrack() that can be triggered if you use the same socket to receive events and to perform a GET operation. Under heavy load, netlink_unicast() may return -EAGAIN, this error code is reserved in nfnetlink for the module load-on-demand. Instead, we return -ENOBUFS which is the appropriate error code that has to be propagated to user-space. Reported-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* | eth: fix new kernel-doc warningRandy Dunlap2011-01-121-1/+1
| | | | | | | | | | | | | | | | | | Fix new kernel-doc warning (copy-paste typo): Warning(net/ethernet/eth.c:366): No description found for parameter 'rxqs' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sched: remove unused backlog in RED statsstephen hemminger2011-01-121-1/+0
| | | | | | | | | | | | | | | | The RED statistics structure includes backlog field which is not set or used by any code. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | bna: Remove unnecessary memset(,0,)Joe Perches2011-01-121-1/+0
| | | | | | | | | | | | | | | | kzalloc'd memory doesn't need a memset to 0. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of git://1984.lsi.us.es/net-2.6David S. Miller2011-01-125-11/+34
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| * netfilter: fix compilation when conntrack is disabled but tproxy is enabledKOVACS Krisztian2011-01-125-11/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IPv6 tproxy patches split IPv6 defragmentation off of conntrack, but failed to update the #ifdef stanzas guarding the defragmentation related fields and code in skbuff and conntrack related code in nf_defrag_ipv6.c. This patch adds the required #ifdefs so that IPv6 tproxy can truly be used without connection tracking. Original report: http://marc.info/?l=linux-netdev&m=129010118516341&w=2 Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: KOVACS Krisztian <hidden@balabit.hu> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* | Merge branch 'master' of ↵David S. Miller2011-01-1213-32/+109
|\ \ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| * | hostap_cs: fix sleeping function called from invalid contextStanislaw Gruszka2011-01-101-9/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pcmcia_request_irq() and pcmcia_enable_device() are intended to be called from process context (first function allocate memory with GFP_KERNEL, second take a mutex). We can not take spin lock and call them. It's safe to move spin lock after pcmcia_enable_device() as we still hold off IRQ until dev->base_addr is 0 and driver will not proceed with interrupts when is not ready. Patch resolves: https://bugzilla.redhat.com/show_bug.cgi?id=643758 Reported-and-tested-by: rbugz@biobind.com Cc: stable@kernel.org # 2.6.34+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ipw2200: Check for -1 INTA in tasklet too.Indan Zupancic2011-01-101-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is an attempt to fix a long standing open bug: http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1334 The interrupt handler checks for INTA being -1, apparently that means that the hardware is gone. But the interrupt handler defers actual interrupt processing to a tasklet. By the time the tasklet is run and checks INTA again, the hardware might be gone and INTA be -1, which confuses the driver because all event bits are set. The patch applies to 2.6.37. Signed-off-by: Indan Zupancic <indan@nul.nu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ssb: Ignore dangling ethernet cores on wireless devicesMichael Büsch2011-01-101-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some Broadcom based wireless devices contain dangling ethernet cores. This triggers the ssb probing mechanism and tries to load the b44 driver on this core. Ignore the dangling core in the ssb core scanning code to avoid access to the core and failure of b44 probing. Signed-off-by: Michael Buesch <mb@bu3sch.de> Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | p54: fix sequence no. accounting off-by-one errorChristian Lamparter2011-01-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | P54_HDR_FLAG_DATA_OUT_SEQNR is meant to tell the firmware that "the frame's sequence number has already been set by the application." Whereas IEEE80211_TX_CTL_ASSIGN_SEQ is set for frames which lack a valid sequence number and either the driver or firmware has to assign one. Yup, it's the exact opposite! Cc: <stable@kernel.org> Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | mac80211: add doc short section on LED triggersJohannes Berg2011-01-101-4/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | Just create a section to collect the LED trigger functions and add a very short description as to what drivers should do. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | nl80211: add/fix mesh docsJohannes Berg2011-01-101-5/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | Some mesh attribute/command docs are missing or have errors in the name so they don't match, fix all of them. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | cfg80211: add mesh join/leave callback docsJohannes Berg2011-01-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When I made the patch to add mesh join/leave I didn't pay attention to docs because it was a proof of concept, and then when we actually did merge it I forgot -- add docs now. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | mac80211: add missing docs for off-chan TX flagJohannes Berg2011-01-101-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | The flag is IEEE80211_TX_CTL_TX_OFFCHAN and I had added that in a previous patch but forgotten docs. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ath9k_htc: Really fix packet injectionSujith Manoharan2011-01-102-11/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The chainmask value along with other configuration has to be set on the target for packet injection. Fix this and also move the monitor interface addition before the channel set segment to ensure that the opmode is updated properly. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | mac80211: add remain-on-channel docsJohannes Berg2011-01-101-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | Add documentation for the new callbacks that I forgot in the patch adding the callbacks. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ath9k_hw: Fix RX handling for USB devicesSujith Manoharan2011-01-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit "ath9k_hw: Abort rx if hw is not coming out of full sleep in reset" uncondionally added aborting RX DMA in a HW reset, though it is a bit unclear as to why this is needed. Anyway, RX DMA is handled in the target for USB devices, and this would interfere with normal operations (scanning etc.), so fix this. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ath9k_hw: Fix thermal issue with UB94Sujith Manoharan2011-01-101-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | Hardcode the output voltage of x-PA bias LDO to the lowest value for UB94. The card doesn't get too hot now. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ath9k_hw: Fix calibration for AR9287 devicesSujith Manoharan2011-01-101-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | AR9287 based devices have issues with ADC gain calibration which would cause uplink throughput drops in HT40 mode. Remove ADC gain from the supported calibration algorithms. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ath9k_hw: Fix chip testSujith Manoharan2011-01-101-1/+2
| | | | | | | | | | | | | | | | | | | | | USB devices do not require the chip test routine. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | inet6: prevent network storms caused by linux IPv6 routersAlexey Kuznetsov2011-01-121-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Linux IPv6 forwards unicast packets, which are link layer multicasts... The hole was present since day one. I was 100% this check is there, but it is not. The problem shows itself, f.e. when Microsoft Network Load Balancer runs on a network. This software resolves IPv6 unicast addresses to multicast MAC addresses. Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | netdev: bfin_mac: Use is_multicast_ether_addr helperTobias Klauser2011-01-121-1/+1
| | | | | | | | | | | | | | | | | | Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | netdev: ucc_geth: Use is_multicast_ether_addr helperTobias Klauser2011-01-121-1/+1
| | | | | | | | | | | | | | | Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | net: ax25: fix information leak to userland harderKees Cook2011-01-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit fe10ae53384e48c51996941b7720ee16995cbcb7 adds a memset() to clear the structure being sent back to userspace, but accidentally used the wrong size. Reported-by: Brad Spengler <spender@grsecurity.net> Signed-off-by: Kees Cook <kees.cook@canonical.com> Cc: stable@kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
* | | cxgb4vf: recover from failure in cxgb4vf_open()Casey Leedom2011-01-111-5/+10
| | | | | | | | | | | | | | | | | | | | | | | | If the Link Start fails in cxgb4vf_open(), we need to back out any state that we've built up ... Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge branch 'master' of git://1984.lsi.us.es/net-2.6David S. Miller2011-01-117-109/+55
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| * | netfilter: ebtables: make broute table work againFlorian Westphal2011-01-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | broute table init hook sets up the "br_should_route_hook" pointer, which then gets called from br_input. commit a386f99025f13b32502fe5dedf223c20d7283826 (bridge: add proper RCU annotation to should_route_hook) introduced a typedef, and then changed this to: br_should_route_hook_t *rhook; [..] rhook = rcu_dereference(br_should_route_hook); if (*rhook(skb)) problem is that "br_should_route_hook" contains the address of the function, so calling *rhook() results in kernel panic. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | netfilter: fix race in conntrack between dump_table and destroyStephen Hemminger2011-01-111-9/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The netlink interface to dump the connection tracking table has a race when entries are deleted at the same time. A customer reported a crash and the backtrace showed thatctnetlink_dump_table was running while a conntrack entry was being destroyed. (see https://bugzilla.vyatta.com/show_bug.cgi?id=6402). According to RCU documentation, when using hlist_nulls the reader must handle the case of seeing a deleted entry and not proceed further down the linked list. The old code would continue which caused the scan to walk into the free list. This patch uses locking (rather than RCU) for this operation which is guaranteed safe, and no longer requires getting reference while doing dump operation. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| * | netfilter: x_tables: dont block BH while reading countersEric Dumazet2011-01-105-99/+49
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using "iptables -L" with a lot of rules have a too big BH latency. Jesper mentioned ~6 ms and worried of frame drops. Switch to a per_cpu seqlock scheme, so that taking a snapshot of counters doesnt need to block BH (for this cpu, but also other cpus). This adds two increments on seqlock sequence per ipt_do_table() call, its a reasonable cost for allowing "iptables -L" not block BH processing. Reported-by: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Patrick McHardy <kaber@trash.net> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* | ah: reload pointers to skb data after calling skb_cow_data()Dang Hongwu2011-01-112-6/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | skb_cow_data() may allocate a new data buffer, so pointers on skb should be set after this function. Bug was introduced by commit dff3bb06 ("ah4: convert to ahash") and 8631e9bd ("ah6: convert to ahash"). Signed-off-by: Wang Xuefu <xuefu.wang@6wind.com> Acked-by: Krzysztof Witek <krzysztof.witek@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ah: update maximum truncated ICV lengthNicolas Dichtel2011-01-111-1/+1
| | | | | | | | | | | | | | | | For SHA256, RFC4868 requires to truncate ICV length to 128 bits, hence MAX_AH_AUTH_LEN should be updated to 16. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | xfrm: check trunc_len in XFRMA_ALG_AUTH_TRUNCNicolas Dichtel2011-01-111-1/+3
| | | | | | | | | | | | | | | | | | Maximum trunc length is defined by MAX_AH_AUTH_LEN (in bytes) and need to be checked when this value is set (in bits) by the user. In ah4.c and ah6.c a BUG_ON() checks this condiftion. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ehea: Increase the skb array usageBreno Leitao2011-01-112-5/+3
| | | | | | | | | | | | | | | | | | | | | | Currently the skb array is not fully allocated, and the allocation is done as it's requested, which is not the expected way. This patch just allocate the full skb array at driver initialization. Also, this patch increases ehea version to 107. Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net/fec: remove config FEC2 as it's used nowhereShawn Guo2011-01-111-8/+0
| | | | | | | | | | Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | pcnet_cs: add new_idKen Kawasaki2011-01-111-0/+1
| | | | | | | | | | | | | | | | pcnet_cs: add another ID of "corega Ether CF-TD" 10Base-T PCMCIA card. Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
* | tcp: disallow bind() to reuse addr/portEric Dumazet2011-01-112-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | inet_csk_bind_conflict() logic currently disallows a bind() if it finds a friend socket (a socket bound on same address/port) satisfying a set of conditions : 1) Current (to be bound) socket doesnt have sk_reuse set OR 2) other socket doesnt have sk_reuse set OR 3) other socket is in LISTEN state We should add the CLOSE state in the 3) condition, in order to avoid two REUSEADDR sockets in CLOSE state with same local address/port, since this can deny further operations. Note : a prior patch tried to address the problem in a different (and buggy) way. (commit fda48a0d7a8412ced tcp: bind() fix when many ports are bound). Reported-by: Gaspar Chilingarov <gasparch@gmail.com> Reported-by: Daniel Baluta <daniel.baluta@gmail.com> Tested-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net/r8169: Update the function of parsing firmwarehayeswang2011-01-101-12/+110
| | | | | | | | | | | | | | | | | | | | Update rtl_phy_write_fw function. The new function could parse the complex firmware which is used by RTL8111E and later. The new firmware may read data and do some operations, not just do writing only. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: ppp: use {get,put}_unaligned_be{16,32}Changli Gao2011-01-105-20/+18
| | | | | | | | | | | | Signed-off-by: Changli Gao <xiaosuo@gmail.com> Reviewed-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | CAIF: Fix IPv6 support in receive path for GPRS/3GKumar Sanghvi2011-01-101-1/+17
| | | | | | | | | | | | | | | | Checks version field of IP in the receive path for GPRS/3G data and appropriately sets the value of skb->protocol. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | arp: allow to invalidate specific ARP entriesMaxim Levitsky2011-01-102-11/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IPv4 over firewire needs to be able to remove ARP entries from the ARP cache that belong to nodes that are removed, because IPv4 over firewire uses ARP packets for private information about nodes. This information becomes invalid as soon as node drops off the bus and when it reconnects, its only possible to start talking to it after it responded to an ARP packet. But ARP cache prevents such packets from being sent. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net_sched: factorize qdisc stats handlingEric Dumazet2011-01-1024-72/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HTB takes into account skb is segmented in stats updates. Generalize this to all schedulers. They should use qdisc_bstats_update() helper instead of manipulating bstats.bytes and bstats.packets Add bstats_update() helper too for classes that use gnet_stats_basic_packed fields. Note : Right now, TCQ_F_CAN_BYPASS shortcurt can be taken only if no stab is setup on qdisc. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | mlx4: Call alloc_etherdev to allocate RX and TX queuesTom Herbert2011-01-101-1/+2
| | | | | | | | | | | | | | | | Changed driver to call alloc_etherdev_mqs so that the number of TX and RX queues can be set to correct values in the netdev device. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: Add alloc_netdev_mqs functionTom Herbert2011-01-104-20/+38
| | | | | | | | | | | | | | | | | | | | Added alloc_netdev_mqs function which allows the number of transmit and receive queues to be specified independenty. alloc_netdev_mq was changed to a macro to call the new function. Also added alloc_etherdev_mqs with same purpose. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | caif: don't set connection request param size before copying dataDan Rosenberg2011-01-101-1/+1
| | | | | | | | | | | | | | | | The size field should not be set until after the data is successfully copied in. Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | cxgb4vf: fix mailbox data/control coherency domain raceCasey Leedom2011-01-101-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | For the VFs, the Mailbox Data "registers" are actually backed by T4's "MA" interface rather than PL Registers (as is the case for the PFs). Because these are in different coherency domains, the write to the VF's PL-register-backed Mailbox Control can race in front of the writes to the MA-backed VF Mailbox Data "registers". So we need to do a read-back on at least one byte of the VF Mailbox Data registers before doing the write to the VF Mailbox Control register. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlcnic: change module parameter permissionsamit salecha2011-01-102-7/+7
| | | | | | | | | | | | | | | | | | | | | | o Updating module parameter after driver load is not supported except auto_fw_reset parameter. Changing these parameter after driver load, can have weird result. o Update driver version to 5.0.15. Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.1 at 2024-09-19 07:57:24 +0000