- 14 Oct, 2015 22 commits
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yankejian authored
this patch adds support to set promisc mode. it configs the queue on init seq when it is on promisc mode.and being enabled or disabled promisc mode by upper level user. Signed-off-by:
yankejian <yankejian@huawei.com> Signed-off-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Paolo Abeni authored
Revert the commit e2ca690b ("ipv4/icmp: redirect messages can use the ingress daddr as source"), which tried to introduce a more suitable behaviour for ICMP redirect messages generated by VRRP routers. However RFC 5798 section 8.1.1 states: The IPv4 source address of an ICMP redirect should be the address that the end-host used when making its next-hop routing decision. while said commit used the generating packet destination address, which do not match the above and in most cases leads to no redirect packets to be generated. Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queueDavid S. Miller authored
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2015-10-13 This series contains updates to i40e, i40evf, ixgbe and fm10k. Carolyn cleans up ndo_bridge_getlink() by flagging a parameter as __always_unused, since it is never used. Adds a member to the nvm_info struct to store OEM version info to be output either by OID or ethtool. Neerav cleans up a remaining bit shift to use BIT() macro. Mitch fixes the i40evf driver to properly handle calls to its ndo_set_mac_address() method. It did not properly check to see if the override would be allowed by the PF driver, and it never removed the old address from its filter list. Cleaned up the use of i40e_enable_vf_mappings() in i40e_alloc_vfs(), since it is just redundant since we already call it by i40e_reset_vf(). Fixed a possible panic in some circumstances where the firmware may fail to allocate a VSI for a VF by checking the return value from i40e_alloc_vf_res() and don't try to configure the device further if it failed. Greg fixes the parsing of CEE App TLVs so the caller does not have to consider whether the App came from a CEE or IEEE DCBx negotiation. Shannon moves the device ids into a standalone file due to the desire to write user-land drivers (and other requests) without needing the rest of the include files. Catherine adds the ability to save the module information from get_phy_capabilities() to be used to determine which speeds the module supports. Also cleaned up the PHY structure by removing unused members and add the ability to store the PHY capabilities reported by the firmware. Emil modifies ixgbe to ensure that flow control packets initiated by the VF are dropped and reported as spoofed. Jacob cleans up the fm10k driver to avoid buffer overflow by using sprintf(), so convert to using snprintf(). Also fixed the use of an enum as a boolean, so check for the actual value of NETREG_UNINITIALIZED in case it ever changes from the current value of zero. v2: Dropped patch 11 of the original series, which added functions that were never used. ==================== Signed-off-by: -
Jacob Keller authored
Check for actual value NETREG_UNINITIALIZED in case it ever changes from the current value of zero. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Signed-off-by:
Bruce Allan <bruce.w.allan@intel.com> Tested-by:
Krishneil Singh <krishneil.k.singh@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Jacob Keller authored
Signed-off-by:
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Emil Tantilov authored
This patch makes sure that flow control packets initiated by the VF are dropped and reported as spoofed. Flow control packets can be used to limit the throughput or as DOS attack when generated from a VF. Flow control is not supported per VF hence any pause frames generated from a VF are considered malicious. Also cleaned up indentation and some redundant comments. Signed-off-by:
Emil Tantilov <emil.s.tantilov@intel.com> Tested-by:
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Catherine Sullivan authored
Bump. Change-ID: If3cd42f6c1b9546beed60faf9c79faab35216f58 Signed-off-by:
Catherine Sullivan <catherine.sullivan@intel.com> Tested-by:
Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by:
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Catherine Sullivan authored
Remove unused members in the PHY structure and add a new member to store all the capabilities the PHY has as reported by the FW. This information will help us determine what speeds the device is capable of when link is down. Also add an enum to decode the PHY types the NVM is capable of. Use the phy_types variable to determine what phy types are possible when link is down instead of device id as it will be more accurate. When on a backplane device, we do not support changing any settings, however we should display all the phy_types we are capable of so if we see a backplane dev ID set supported and advertised purely based on the phy_types variable. Change-ID: Ia75d560f1fcd30c54cbfb7458690c5867559a930 Signed-off-by:
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Catherine Sullivan authored
Add a module_types variable to the link_info struct to save the module information from get_phy_capabilities. This information can be used to determine which speeds the module supports. Also add a new function update_link_info which updates the module_types parameter and then calls get_link_info. This function should be called in place of get_link_info so that the module_types variable stays up-to-date with the rest of the link information. The EAS table does not reflect the values that are actually returned, so instead, basing these values on the Ethernet compliance codes specified in table 33 of SFF-8436 as these have been accurate. Use the new variable in ethtool to differentiate between a 10G/1G dual speed fiber module and a 10G only module. Change-ID: Ib7585cce321319c10ce15180054c41a6cbd41389 Signed-off-by:
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Shannon Nelson authored
Due to desires to write userland drivers, and other requests, without needing the rest of the include files, the device ids are pulled out into a standalone file. Change-ID: Ic0b047dbf9d4b0891892309c1f2079f56d9b60e8 Signed-off-by:
Shannon Nelson <shannon.nelson@intel.com> Tested-by:
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Carolyn Wyborny authored
This patch moves the internal fw version and fw api version info to be output in probe. The nvm version, etrack and oem version info are now configured for output via ethtool -i. Change-ID: I05d490093a7137dbefcdef263d014d1e5c9e83d0 Signed-off-by:
Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by:
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Mitch Williams authored
In some circumstances, the firmware may fail to allocate a VSI for a VF. When this happens, the driver does not react well to the bad news and has a panic attack. To fix this problem, check the return value from i40e_alloc_vf_res and don't try to configure the device further if it failed. Additionally, explicitly clear the INIT bit when we free VF resources, so that this bit will be in the proper state in the failure case, and won't blow up elsewhere. Change-ID: I6a20ce2b59c3458fd832032e88fa28cd42500189 Signed-off-by:
Mitch Williams <mitch.a.williams@intel.com> Tested-by:
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Mitch Williams authored
This function call isn't needed here; the same function is already called by i40e_reset_vf. Change-ID: I96ccbf91b752965c9e28fe895d4c7d4c46e3ba44 Signed-off-by:
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Greg Bowers authored
Changes the parsing of CEE App TLVs to fill in the App selector in struct i40e_dcbx_config with the IEEE App selector so the caller doesn't have to consider whether the App came from a CEE or IEEE DCBX negotiation. Change-ID: Ia7d9d664cde04d2ebcc9822fd22e4929c6edab3a Signed-off-by:
Greg Bowers <gregory.j.bowers@intel.com> Tested-by:
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Carolyn Wyborny authored
This patch adds a member to the nvm_info struct for oem_ver info to be output either by OID or ethtool. Change-ID: I1e5d513ae67622e2af17042924fdb4b5d6d85366 Signed-off-by:
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Mitch Williams authored
The driver was not correctly handling calls to its ndo_set_mac_address method. It did not properly check to see if the override would be allowed by the PF driver, and never removed the old address from its filter list. Add a new flag to the adapter struct which is set if the MAC address is assigned by the PF. Check this flag and don't allow the MAC address to be changed if it is set. Search for and properly remove the filter for the old MAC address when the new one is set. Change-ID: I817bf620c869c5a80e6a7eab65c9cbad1dc89799 Signed-off-by:
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Neerav Parikh authored
Replace one left over (1 << up) in the i40e_dcb.c file with the BIT() macro. Change-ID: I39492a400a2cee5ac566143a5b436cc478bea0db Signed-off-by:
Neerav Parikh <neerav.parikh@intel.com> Tested-by:
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Carolyn Wyborny authored
Flag the filter_mask parameter as __always_unused in the ndo_bridge_getlink function. Change-ID: Ifc1e99c7fb84bcbf81cf7b0ac891ad8ca956ffb2 Signed-off-by:
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Shannon Nelson authored
Add the new Port link status bit and rename the link status to function link status. Change-ID: I71289327ae62638ce967b6ad40114caf998b6dab Signed-off-by:
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David Ahern authored
Add ip commands with examples for creating VRF devics, enslaving interfaces and dumping VRF-focused data (address, neighbors, routes). Signed-off-by:
David Ahern <dsa@cumulusnetworks.com> Signed-off-by:
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Geliang Tang authored
Use kstrdup instead of strlen-kmalloc-strcpy. Remove unneeded NULL test, it will be tested inside kstrdup. Remove 0 length string test, it has been tested in the caller of dsp_pipeline_build. Signed-off-by:
Geliang Tang <geliangtang@163.com> Signed-off-by:
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Eric Dumazet authored
When a TCP/DCCP listener is closed, its pending SYN_RECV request sockets become stale, meaning 3WHS can not complete. But current behavior is wrong : incoming packets finding such stale sockets are dropped. We need instead to cleanup the request socket and perform another lookup : - Incoming ACK will give a RST answer, - SYN rtx might find another listener if available. - We expedite cleanup of request sockets and old listener socket. Fixes: 079096f1 ("tcp/dccp: install syn_recv requests into ehash table") Signed-off-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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- 13 Oct, 2015 18 commits
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David S. Miller authored
Nikolay Aleksandrov says: ==================== bridge: vlan: cleanups & fixes (part 3) Patch 01 converts the vlgrp member to use rcu as it was already used in a similar way so better to make it official and use all the available RCU instrumentation. Patch 02 fixes a bug where the vlan_list can be traversed without rtnl or rcu held which could lead to using freed entries. Patch 03 removes some redundant code that isn't needed anymore. Patch 04 fixes a bug reported by Ido Schimmel about the vlan_flush order and switchdevs, it moves it back. v2: patch 03 and 04 are new, couldn't escape the second synchronize_rcu() since the rhtable destruction can sleep ==================== Signed-off-by: -
Nikolay Aleksandrov authored
Ido Schimmel reported a problem with switchdev devices because of the order change of del_nbp operations, more specifically the move of nbp_vlan_flush() which deletes all vlans and frees vlgrp after the rx_handler has been unregistered. So in order to fix this move vlan_flush back where it was and make it destroy the rhtable after NULLing vlgrp and waiting a grace period to make sure noone can see it. Reported-by:
Ido Schimmel <idosch@mellanox.com> Signed-off-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Reviewed-by:
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Nikolay Aleksandrov authored
As Ido Schimmel pointed out the vlan_vid_del() code in nbp_vlan_flush is unnecessary (and is actually a remnant of the old vlan code) so we can remove it. Signed-off-by:
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Nikolay Aleksandrov authored
br_fill_ifinfo is called by br_ifinfo_notify which can be called from many contexts with different locks held, sometimes it relies upon bridge's spinlock only which is a problem for the vlan code, so use explicitly rcu for that to avoid problems. Signed-off-by:
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Nikolay Aleksandrov authored
The bridge and port's vlgrp member is already used in RCU way, currently we rely on the fact that it cannot disappear while the port exists but that is error-prone and we might miss places with improper locking (either RCU or RTNL must be held to walk the vlan_list). So make it official and use RCU for vlgrp to catch offenders. Introduce proper vlgrp accessors and use them consistently throughout the code. Signed-off-by:
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David S. Miller authored
David Ahern says: ==================== net: VRF support in IPv6 stack Initial support for VRF in IPv6 stack. Makes IPv6 functionality on par with IPv4 -- ping, tcp client/server and udp client/server all work fine. tcpdump on vrf device and external tap (e.g., host side tap device) shows all packets with proper addresses. IPv6 does not need the source address operation like IPv4. Verified vti6 works properly in my setup as does use of an IPv6 address on the VRF device. v3 - re-based to top of net-next (updates per net namespace changes by Eric) - fixed dst_entry typecasts as requested by Dave - added flags to inet6_rtm_getroute (IPv6 version of deaa0a6a) v2 - fixed CONFIG_IPV6 dependency as questioned by Cong - if IPV6 is a module, kbuild ensures VRF is a module - if IPV6 is disabled IPV6 functionality is compiled out of VRF module - addressed comments from Nik over IRC - removed duplicate call to netif_is_l3_master in l3mdev_rt6_dst_by_oif - changed allocation flag from GFP_ATOMIC to GFP_KERNEL since it is init time - added free of rt6i_pcpu - check_ipv6_frame returns false only if packet is NDISC type ==================== Signed-off-by:
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David Ahern authored
As with IPv4 support for VRFs added to IPv6 stack by replacing hardcoded table ids with possibly device specific ones and manipulating the oif in the flowi6. The flow flags are used to skip oif compare in nexthop lookups if the device is enslaved to a VRF via the L3 master device. Signed-off-by:
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David Ahern authored
Add support for IPv6 to VRF device driver. Implemenation parallels what has been done for IPv4. Signed-off-by:
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David Ahern authored
Signed-off-by:
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David Ahern authored
Add operations to retrieve cached IPv6 dst entry from l3mdev device and lookup IPv6 source address. Signed-off-by:
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Nikolay Aleksandrov authored
commit c62987bb ("bridge: push bridge setting ageing_time down to switchdev") introduced a timer race condition because the gc_timer can get rearmed after it's supposedly stopped and flushed in br_dev_delete() leading to a use of freed memory. So take rtnl to sync with bridge destruction when setting ageing_timer. Here's the trace reproduced with these two commands running in parallel: while :; do echo 10000 > /sys/class/net/br0/bridge/ageing_timer; done; while :; do brctl addbr br0; ip l set br0 up; ip l set br0 down; brctl delbr br0; done; [ 300.000029] BUG: unable to handle kernel paging request at ffffffff811c59d3 [ 300.000263] IP: [<ffffffff810f168e>] __internal_add_timer+0x2e/0xd0 [ 300.000422] PGD 1a0f067 PUD 1a10063 PMD 10001e1 [ 300.000639] Oops: 0003 [#1] SMP [ 300.000793] Modules linked in: bridge stp llc nfsd auth_rpcgss oid_registry nfs_acl nfs lockd grace fscache sunrpc crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ppdev aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd snd_hda_codec_generic qxl drm_kms_helper psmouse pcspkr ttm snd_hda_intel 9pnet_virtio evdev serio_raw joydev snd_hda_codec 9pnet virtio_balloon drm snd_hwdep virtio_console snd_hda_core pvpanic snd_pcm i2c_piix4 snd_timer acpi_cpufreq parport_pc snd parport soundcore button processor i2c_core ipv6 autofs4 hid_generic usbhid hid ext4 crc16 mbcache jbd2 sg sr_mod cdrom ata_generic virtio_blk virtio_net e1000 ehci_pci uhci_hcd ehci_hcd usbcore usb_common floppy ata_piix libata virtio_pci virtio_ring virtio scsi_mod [ 300.004008] CPU: 1 PID: 1169 Comm: bash Not tainted 4.3.0-rc3+ #46 [ 300.004008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 300.004008] task: ffff880035be2200 ti: ffff88003795c000 task.ti: ffff88003795c000 [ 300.004008] RIP: 0010:[<ffffffff810f168e>] [<ffffffff810f168e>] __internal_add_timer+0x2e/0xd0 [ 300.004008] RSP: 0018:ffff88003fd03e78 EFLAGS: 00010046 [ 300.004008] RAX: ffff88003fd0ef60 RBX: 840fc78949c08548 RCX: 00000001ffffffff [ 300.004008] RDX: 0000000000000000 RSI: ffffffff811c59d3 RDI: ffff88003fd0df00 [ 300.004008] RBP: ffff88003fd03e78 R08: 00000000ffffffff R09: 0000000000000000 [ 300.004008] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88003fd0df00 [ 300.004008] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff816032e0 [ 300.004008] FS: 00007fcbdd609700(0000) GS:ffff88003fd00000(0000) knlGS:0000000000000000 [ 300.004008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 300.004008] CR2: ffffffff811c59d3 CR3: 0000000037879000 CR4: 00000000000406e0 [ 300.004008] Stack: [ 300.004008] ffff88003fd03ea8 ffffffff810f1775 ffff88003c8cb958 ffff88003fd0df00 [ 300.004008] 0000000000000000 0000000000000001 ffff88003fd03f18 ffffffff810f28c4 [ 300.004008] ffff88003fd0eb68 ffff88003fd0e968 ffff88003fd0e768 ffff88003fd0df68 [ 300.004008] Call Trace: [ 300.004008] <IRQ> [ 300.004008] [<ffffffff810f1775>] cascade+0x45/0x70 [ 300.004008] [<ffffffff810f28c4>] run_timer_softirq+0x2f4/0x340 [ 300.004008] [<ffffffff8107e380>] __do_softirq+0xd0/0x440 [ 300.004008] [<ffffffff8107e8a3>] irq_exit+0xb3/0xc0 [ 300.004008] [<ffffffff815c2032>] smp_apic_timer_interrupt+0x42/0x50 [ 300.004008] [<ffffffff815bfe37>] apic_timer_interrupt+0x87/0x90 [ 300.004008] <EOI> [ 300.004008] [<ffffffff811fb80c>] ? create_object+0x13c/0x2e0 [ 300.004008] [<ffffffff8109b23e>] ? __kernel_text_address+0x4e/0x70 [ 300.004008] [<ffffffff8109b23e>] ? __kernel_text_address+0x4e/0x70 [ 300.004008] [<ffffffff8101e17f>] print_context_stack+0x7f/0xf0 [ 300.004008] [<ffffffff8101d55b>] dump_trace+0x11b/0x300 [ 300.004008] [<ffffffff8102970b>] save_stack_trace+0x2b/0x50 [ 300.004008] [<ffffffff811fb80c>] create_object+0x13c/0x2e0 [ 300.004008] [<ffffffff815b2e8e>] kmemleak_alloc+0x4e/0xb0 [ 300.004008] [<ffffffff811e475d>] kmem_cache_alloc_trace+0x18d/0x2f0 [ 300.004008] [<ffffffff8128b139>] kernfs_fop_open+0xc9/0x380 [ 300.004008] [<ffffffff8120214f>] do_dentry_open+0x1ff/0x2f0 [ 300.004008] [<ffffffff8128b070>] ? kernfs_fop_release+0x70/0x70 [ 300.004008] [<ffffffff812034f9>] vfs_open+0x59/0x60 [ 300.004008] [<ffffffff812130de>] path_openat+0x1ce/0x1260 [ 300.004008] [<ffffffff812154ae>] do_filp_open+0x7e/0xe0 [ 300.004008] [<ffffffff812251ff>] ? __alloc_fd+0xaf/0x180 [ 300.004008] [<ffffffff8120387b>] do_sys_open+0x12b/0x210 [ 300.004008] [<ffffffff8120397e>] SyS_open+0x1e/0x20 [ 300.004008] [<ffffffff815bf0b6>] entry_SYSCALL_64_fastpath+0x16/0x7a [ 300.004008] Code: 66 90 48 8b 46 10 48 8b 4f 40 55 48 89 c2 48 89 e5 48 29 ca 48 81 fa ff 00 00 00 77 20 0f b6 c0 48 8d 44 c7 68 48 8b 10 48 85 d2 <48> 89 16 74 04 48 89 72 08 48 89 30 48 89 46 08 5d c3 48 81 fa [ 300.004008] RIP [<ffffffff810f168e>] __internal_add_timer+0x2e/0xd0 [ 300.004008] RSP <ffff88003fd03e78> [ 300.004008] CR2: ffffffff811c59d3 Fixes: c62987bb ("bridge: push bridge setting ageing_time down to switchdev") Signed-off-by:
Jiri Pirko <jiri@mellanox.com> Acked-by:
Scott Feldman <sfeldma@gmail.com> Signed-off-by:
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Nikolay Aleksandrov authored
We shouldn't allow BRIDGE_VLAN_INFO_PVID flag in VLAN ranges. Signed-off-by:
Elad Raz <eladr@mellanox.com> Acked-by:
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David S. Miller authored
Vivien Didelot says: ==================== net: dsa: mv88e6xxx: fix hardware bridging DSA and its drivers currently hook the NETDEV_CHANGEUPPER net_device event in order to configure the VLAN map of every port. This VLAN map is a feature of these switch chips to hardcode and restrict which output ports a given input port can egress frames to. A Linux bridge is a simple untagged VLAN propagated by the bridge code itself. With a proper 802.1Q support, a driver does not need this hook anymore, and will simply program the related VLAN object. This patchset improves the hardware bridging code in the mv88e6xxx driver with a strict 802.1Q mode. Ideally, the equivalent must be done for Broadcom Starfighter 2 and Rocker, before completely getting rid of this hook. ==================== Signed-off-by: -
Vivien Didelot authored
Playing with the VLAN map of every port to implement "hardware bridging" in the 88E6352 driver was a hack until full 802.1Q was supported. Indeed with 802.1Q port mode "Disabled" or "Fallback", this feature is used to restrict which output ports an input port can egress frames to. A Linux bridge is an untagged VLAN. With full 802.1Q support, we don't need this hack anymore and can use the "Secure" strict 802.1Q port mode. With this mode, the port-based VLAN map still needs to be configured, but all the logic is VTU-centric. This means that the switch only cares about rules described in its hardware VLAN table, which is exactly what Linux bridge expects and what we want. Note also that the hardware bridging was broken with the previous flexible "Fallback" 802.1Q port mode. Here's an example: Port0 and Port1 belong to the same bridge. If Port0 sends crafted tagged frames with VID 200 to Port1, Port1 receives it. Even if Port1 is in hardware VLAN 200, but not Port0, Port1 will still receive it, because Fallback mode doesn't care about invalid VID or non-member source port. Signed-off-by:
Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by:
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Vivien Didelot authored
A DSA driver may not provide the port_join_bridge and port_leave_bridge functions, so don't warn in such case. Signed-off-by:
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Vivien Didelot authored
Since we configure a switch chip through a Linux bridge, and a bridge is implemented as a VLAN, there is no need for per-port FID anymore. This patch gets rid of this and simplifies the driver code since we can now directly map all 4095 FIDs available to all VLANs. Signed-off-by:
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Vivien Didelot authored
With 88E6352 and similar switch chips, each port has a map to restrict which output port this input port can egress frames to. The current driver code implements hardware bridging using this feature, and assigns to a bridge group the FID of its first member. Now that 802.1Q is fully implemented in this driver, a Linux bridge which is a simple untagged VLAN, already gets its own FID. This patch gets rid of the per-bridge FID and explicits the usage of the port based VLAN map feature. Signed-off-by:
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Sowmini Varadhan authored
Consider the following "duelling syn" sequence between two peers A and B: A B SYN1 --> <-- SYN2 SYN2ACK --> Note that the SYN/ACK has already been sent out by TCP before rds_tcp_accept_one() gets invoked as part of callbacks. If the inet_addr(A) is numerically less than inet_addr(B), the arbitration scheme in rds_tcp_accept_one() will prefer the TCP connection triggered by SYN1, and will send a CLOSE for the SYN2 (just after the SYN2ACK was sent). Since B also follows the same arbitration scheme, it will send the SYN-ACK for SYN1 that will set up a healthy ESTABLISHED connection on both sides. B will also get a CLOSE for SYN2, which should result in the cleanup of the TCP state machine for SYN2, but it should not trigger any stale RDS-TCP callbacks (such as ->writespace, ->state_change etc), that would disrupt the progress of the SYN2 based RDS-TCP connection. Thus the arbitration scheme in rds_tcp_accept_one() should restore rds_tcp callbacks for the winner before setting them up for the new accept socket, and also make sure that conn->c_outgoing is set to 0 so that we do not trigger any reconnect attempts on the passive side of the tcp socket in the future, in conformance with commit c82ac7e6 ("net/rds: RDS-TCP: only initiate reconnect attempt on outgoing TCP socket.") Signed-off-by:Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by:
Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by:
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