- 02 9月, 2009 34 次提交
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由 Matt Carlson 提交于
When multivector RSS is enabled, the first interrupt vector is only used to report link interrupts and error conditions. This patch changes the code so that rx and tx ring resources are not allocated for this vector. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch adds code needed to enable RSS. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch adds code to tune the coalescing parameters for the other msix vectors. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch adds code to enable and disable the rest of the NAPI instances. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch exposes the additional transmit rings to the kernel and makes the necessary modifications to transmit, open, and close paths. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch fixes up two spots that need attention now that msix support has been added. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch adds code to assign status block, tx producer ring and rx return ring resources needed for the other interrupt vectors. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
The 5717 assigns mailbox locations to interrupt vectors in a rather non-intuitive way. (Much of the complexity stems from legacy compatibility issues.) This patch implements the assignment scheme. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch adds MSI-X support. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch adds code to support multiple interrupt vectors around the kernel's interrupt API. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch moves most of the chip ring setup logic into a separate function. This will make it easier to verify the multi ring setup changes. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
Each interrupt vector has its own bit in the host coalescing register to force that vector's status block to be updated and generate an interrupt. This patch adds a member to the per-interrupt structure that records which bit belongs to that vector. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Carlson 提交于
This patch inlines the code of tg3_cond_int() into the function's only callsite. This prep work makes the following patch cleaner. Signed-off-by: NMatt Carlson <mcarlson@broadcom.com> Reviewed-by: NBenjamin Li <benli@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Conflicts: drivers/net/yellowfin.c
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由 Eric Dumazet 提交于
qdisc drops should be notified to IP_RECVERR enabled sockets, as done in IPV4. Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Xiao Guangrong 提交于
The net_dev of backlog napi is NULL, like below: __get_cpu_var(softnet_data).backlog.dev == NULL So, we should check it in napi tracepoint's probe function Acked-by: NNeil Horman <nhorman@tuxdriver.com> Signed-off-by: NXiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
These are full of unresolved problems, mainly that conversions don't work 1-1 from hrtimers to tasklet_hrtimers because unlike hrtimers tasklets can't be killed from softirq context. And when a qdisc gets reset, that's exactly what we need to do here. We'll work this out in the net-next-2.6 tree and if warranted we'll backport that work to -stable. This reverts the following 3 changesets: a2cb6a4d ("pkt_sched: Fix bogon in tasklet_hrtimer changes.") 38acce2d ("pkt_sched: Convert CBQ to tasklet_hrtimer.") ee5f9757 ("pkt_sched: Convert qdisc_watchdog to tasklet_hrtimer") Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Noticed by Michal Simek. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jarek Poplawski 提交于
After commit 2b85a34e (net: No more expensive sock_hold()/sock_put() on each tx) sk_free() frees socks conditionally and depends on sk_wmem_alloc being set e.g. in sock_init_data(). But in some cases sk_free() is called earlier, usually after other alloc errors. Fix is to move sk_wmem_alloc initialization from sock_init_data() to sk_alloc() itself. Signed-off-by: NJarek Poplawski <jarkao2@gmail.com> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stephen Hemminger 提交于
These tables are never modified at runtime. Move to read-only section. Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 roel kluin 提交于
aup->mii_bus->irq allocation may fail, prevent a dereference of NULL. Signed-off-by: NRoel Kluin <roel.kluin@gmail.com> Acked-by: NFlorian Fainelli <florian@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Damian Lukowski 提交于
This patch updates the sysctl documentation concerning the interpretation of tcp_retries{1,2} and tcp_orphan_retries. Signed-off-by: NDamian Lukowski <damian@tvk.rwth-aachen.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Damian Lukowski 提交于
This patch affects the retransmits_timed_out() function. Changes: 1) Variables have more meaningful names 2) retransmits_timed_out() has an introductionary comment. 3) Small coding style changes. Signed-off-by: NDamian Lukowski <damian@tvk.rwth-aachen.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mike McCormack 提交于
B0_CTST is a 24bit register according to the vendor driver (sk98lin). A 16bit read on B0_CTST will always return 0 for Y2_VAUX_AVAIL (1<<16), so use a 32bit read when testing Y2_VAUX_AVAIL Signed-off-by: NMike McCormack <mikem@ring3k.org> Acked-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mike McCormack 提交于
Refactor similar two sections of code that free buffers into one. Only call tx_init if all buffer allocations succeed. Signed-off-by: NMike McCormack <mikem@ring3k.org> Acked-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stephen Hemminger 提交于
Observed by Mike McCormack. The LED bit here is just a software controlled value used to turn on one of the LED's on some boards. The register value was wrong, which could have been causing some power control issues. Get rid of problematic define use the correct mask. Signed-off-by: NStephen Hemminger <shemminger@vyatta.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Michael S. Tsirkin 提交于
As tun always has an embeedded struct sock, use sk and sk_receive_queue fields instead of duplicating them in tun_struct. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexey Dobriyan 提交于
struct net::ipv6.ip6_dst_ops is separatedly dynamically allocated, but there is no fundamental reason for it. Embed it directly into struct netns_ipv6. For that: * move struct dst_ops into separate header to fix circular dependencies I honestly tried not to, it's pretty impossible to do other way * drop dynamical allocation, allocate together with netns For a change, remove struct dst_ops::dst_net, it's deducible by using container_of() given dst_ops pointer. Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
We can speedup ether addresses compares using compare_ether_addr_64bits() instead of memcmp(). We make sure all operands are at least 8 bytes long and 16bits aligned (or better, long word aligned if possible) Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Reviewed-by: NJiri Pirko <jpirko@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
To speedup ether addresses compares, we can use compare_ether_addr_64bits() (all operands are guaranteed to be at least 8 bytes long) Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mallikarjuna R Chilakala 提交于
ixgbe: Patch to fix 82599 multispeed fiber link issues when driver is loaded without any cable and reconnecting it to 1G partner In 82599 multi speed fiber case when driver is loaded without any cable and reconnecting the cable with a 1G partner does not bring up the link in 1Gb mode. When there is no link we first setup the link at 10G & 1G and then try to re-establish the link at highest speed 10G and thereby changing autoneg_advertised value to highest speed 10G. After connecting back the cable to a 1G link partner we never try 1G as autoneg advertised value is changed to link at 10G only. The following patch fixes the issue by properly initializing the autoneg_advertised value just before exiting from link setup routine. Signed-off-by: NMallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Acked-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Peter P Waskiewicz Jr 提交于
When disabling the Rx and Tx data arbiters prior to configuration changes, the arbiters were not being shut down properly. This can create a race in the DCB hardware blocks, and potentially hang the arbiters. Also, the Tx descriptor arbiter shouldn't be disabled when applying configuration changes; disabling this arbiter can cause a Tx hang. Signed-off-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mallikarjuna R Chilakala 提交于
Link code cleanup: a number of redundant functions and MAC variables are cleaned up, with some functions being consolidated into a single-purpose code path. Removed following deprecated link functions and mac variables * ixgbe_setup_copper_link_speed_82598 * ixgbe_setup_mac_link_speed_multispeed_fiber * ixgbe_setup_mac_link_speed_82599 * mac.autoneg, mac.autoneg_succeeded, phy.autoneg_wait_to_complete Signed-off-by: NMallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Acked-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Graham, David 提交于
Enabling VLAN filters (VFE) when the primary interface is brought up (per commit 78ed11a5) has caused problems for some users who manage their systems using IPMI over a VLAN. This is because when the driver enables the VLAN filter, this same filter table is enabled for the management channel, and the table is initially empty, which means that the IPMI/VLAN packets are filtered out and not received by the BMC. This is a problem only on e1000 class adapters, as it is only on e1000 that the filter table is common to the management and host streams. With this change, filtering is only enabled when one or more host VLANs exist, and is disabled when the last host VLAN is removed. VLAN filtering is always disabled when the primary interface is in promiscuous mode, and will be (re)enabled if VLANs exist when the interface exits promiscuous mode. Note that this does not completely resolve the issue for those using VLAN management, because if the host adds a VLAN, then the above problem occurs when that VLAN is enabled. However, it does mean the there is no problem for configurations where management is on a VLAN and the host is not. A complete solution to this issue would require further driver changes. The driver would need to discover if (and which) management VLANs are active before enabling VLAN filtering, so that it could ensure that the managed VLANs are included in the VLAN filter table. This discovery requires that the BMC identifies its VLAN in registers accessible to the driver, and at least on Dell PE2850 systems the BMC does not identify its VLAN to allow such discovery. Intel is pursuing this issue with the BMC vendor. Signed-off-by: NDave Graham <david.graham@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: NKrzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 01 9月, 2009 6 次提交
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由 Damian Lukowski 提交于
RFC 1122 specifies two threshold values R1 and R2 for connection timeouts, which may represent a number of allowed retransmissions or a timeout value. Currently linux uses sysctl_tcp_retries{1,2} to specify the thresholds in number of allowed retransmissions. For any desired threshold R2 (by means of time) one can specify tcp_retries2 (by means of number of retransmissions) such that TCP will not time out earlier than R2. This is the case, because the RTO schedule follows a fixed pattern, namely exponential backoff. However, the RTO behaviour is not predictable any more if RTO backoffs can be reverted, as it is the case in the draft "Make TCP more Robust to Long Connectivity Disruptions" (http://tools.ietf.org/html/draft-zimmermann-tcp-lcd). In the worst case TCP would time out a connection after 3.2 seconds, if the initial RTO equaled MIN_RTO and each backoff has been reverted. This patch introduces a function retransmits_timed_out(N), which calculates the timeout of a TCP connection, assuming an initial RTO of MIN_RTO and N unsuccessful, exponentially backed-off retransmissions. Whenever timeout decisions are made by comparing the retransmission counter to some value N, this function can be used, instead. The meaning of tcp_retries2 will be changed, as many more RTO retransmissions can occur than the value indicates. However, it yields a timeout which is similar to the one of an unpatched, exponentially backing off TCP in the same scenario. As no application could rely on an RTO greater than MIN_RTO, there should be no risk of a regression. Signed-off-by: NDamian Lukowski <damian@tvk.rwth-aachen.de> Acked-by: NIlpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Damian Lukowski 提交于
Here, an ICMP host/network unreachable message, whose payload fits to TCP's SND.UNA, is taken as an indication that the RTO retransmission has not been lost due to congestion, but because of a route failure somewhere along the path. With true congestion, a router won't trigger such a message and the patched TCP will operate as standard TCP. This patch reverts one RTO backoff, if an ICMP host/network unreachable message, whose payload fits to TCP's SND.UNA, arrives. Based on the new RTO, the retransmission timer is reset to reflect the remaining time, or - if the revert clocked out the timer - a retransmission is sent out immediately. Backoffs are only reverted, if TCP is in RTO loss recovery, i.e. if there have been retransmissions and reversible backoffs, already. Changes from v2: 1) Renaming of skb in tcp_v4_err() moved to another patch. 2) Reintroduced tcp_bound_rto() and __tcp_set_rto(). 3) Fixed code comments. Signed-off-by: NDamian Lukowski <damian@tvk.rwth-aachen.de> Acked-by: NIlpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Damian Lukowski 提交于
This supplementary patch renames skb to icmp_skb in tcp_v4_err() in order to disambiguate from another sk_buff variable, which will be introduced in a separate patch. Signed-off-by: NDamian Lukowski <damian@tvk.rwth-aachen.de> Acked-by: NIlpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yi Zou 提交于
Add support for dcbnl_rtnl_ops.setapp/getapp to set or get the current user priority bitmap for the given application protocol. Currently, 82599 only supports setapp/getapp for Fiber Channel over Ethernet (FCoE) protocol. Signed-off-by: NYi Zou <yi.zou@intel.com> Acked-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yi Zou 提交于
Implements the dcbnl netlink setapp/getapp pair. When a setapp/getapp is received, dcbnl would just pass on to dcbnl_rtnl_op.setapp/getapp that are supposed to be implemented by the low level drivers. Signed-off-by: NYi Zou <yi.zou@intel.com> Acked-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Yi Zou 提交于
Add defines for dcbnl netlink attributes to support netlink message passing of setapp/getapp in dcbnl. Signed-off-by: NYi Zou <yi.zou@intel.com> Acked-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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