- 03 8月, 2017 1 次提交
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由 WANG Cong 提交于
They are introduced by commit f70ea018 ("net: Add functions to get skb->hash based on flow structures") but never gets used in tree. Signed-off-by: NCong Wang <xiyou.wangcong@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 05 6月, 2017 1 次提交
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由 Or Gerlitz 提交于
Add support for dissection of ip tos and ttl and ipv6 traffic-class and hoplimit. Both are dissected into the same struct. Uses similar call to ip dissection function as with tcp, arp and others. Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Reviewed-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 25 5月, 2017 1 次提交
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由 Jiri Pirko 提交于
Add support for dissection of tcp flags. Uses similar function call to tcp dissection function as arp, mpls and others. Signed-off-by: NJiri Pirko <jiri@mellanox.com> Acked-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 25 4月, 2017 1 次提交
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由 Benjamin LaHaise 提交于
Add support for parsing MPLS flows to the flow dissector in preparation for adding MPLS match support to cls_flower. Signed-off-by: NBenjamin LaHaise <benjamin.lahaise@netronome.com> Signed-off-by: NBenjamin LaHaise <bcrl@kvack.org> Reviewed-by: NJakub Kicinski <jakub.kicinski@netronome.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Simon Horman <simon.horman@netronome.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Jiri Pirko <jiri@mellanox.com> Cc: Eric Dumazet <jhs@mojatatu.com> Cc: Hadar Hen Zion <hadarh@mellanox.com> Cc: Gao Feng <fgao@ikuai8.com> Acked-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 04 4月, 2017 1 次提交
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由 Simon Horman 提交于
The last argument to __skb_header_pointer() should be a buffer large enough to store struct arphdr. This can be a pointer to a struct arphdr structure. The code was previously using a pointer to a pointer to struct arphdr. By my counting the storage available both before and after is 8 bytes on x86_64. Fixes: 55733350 ("flow disector: ARP support") Reported-by: NNicolas Iooss <nicolas.iooss_linux@m4x.org> Signed-off-by: NSimon Horman <simon.horman@netronome.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 3月, 2017 5 次提交
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由 Jiri Pirko 提交于
Make the main flow_dissect function a bit smaller and move the GRE dissection into a separate function. Signed-off-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Align with "ip_proto_again" label used in the same function and rename vague "again" to "proto_again". Signed-off-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Now, when an unexpected element in the GRE header appears, we break so the l4 ports are processed. But since the ports are processed unconditionally, there will be certainly random values dissected. Fix this by just bailing out in such situations. Signed-off-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Make the main flow_dissect function a bit smaller and move the MPLS dissection into a separate function. Along with that, do the MPLS header processing only in case the flow dissection user requires it. Signed-off-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Make the main flow_dissect function a bit smaller and move the ARP dissection into a separate function. Along with that, do the ARP header processing only in case the flow dissection user requires it. Signed-off-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 17 1月, 2017 1 次提交
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由 Colin Ian King 提交于
arp is being checked instead of arp_eth to see if the call to __skb_header_pointer failed. Fix this by checking arp_eth is null instead of arp. Also fix to use length hlen rather than hlen - sizeof(_arp); thanks to Eric Dumazet for spotting this latter issue. CoverityScan CID#1396428 ("Logically dead code") on 2nd arp comparison (which should be arp_eth instead). Fixes: commit 55733350 ("flow disector: ARP support") Signed-off-by: NColin Ian King <colin.king@canonical.com> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 1月, 2017 1 次提交
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由 Simon Horman 提交于
Allow dissection of (R)ARP operation hardware and protocol addresses for Ethernet hardware and IPv4 protocol addresses. There are currently no users of FLOW_DISSECTOR_KEY_ARP. A follow-up patch will allow FLOW_DISSECTOR_KEY_ARP to be used by the flower classifier. Signed-off-by: NSimon Horman <simon.horman@netronome.com> Acked-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 1月, 2017 1 次提交
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由 Eric Dumazet 提交于
Removes following sparse complain : net/core/flow_dissector.c:70:8: warning: symbol 'skb_flow_get_be16' was not declared. Should it be static? Fixes: 972d3876 ("flow dissector: ICMP support") Signed-off-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 1月, 2017 1 次提交
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由 Ian Kumlien 提交于
__skb_flow_dissect can be called with a skb or a data packet, either can be NULL. All calls seems to have been moved to __skb_header_pointer except the pptp handling which is still calling skb_header_pointer. skb_header_pointer will use skb->data and thus: [ 109.556866] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 109.557102] IP: [<ffffffff88dc02f8>] __skb_flow_dissect+0xa88/0xce0 [ 109.557263] PGD 0 [ 109.557338] [ 109.557484] Oops: 0000 [#1] SMP [ 109.557562] Modules linked in: chaoskey [ 109.557783] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.9.0 #79 [ 109.557867] Hardware name: Supermicro A1SRM-LN7F/LN5F/A1SRM-LN7F-2758, BIOS 1.0c 11/04/2015 [ 109.557957] task: ffff94085c27bc00 task.stack: ffffb745c0068000 [ 109.558041] RIP: 0010:[<ffffffff88dc02f8>] [<ffffffff88dc02f8>] __skb_flow_dissect+0xa88/0xce0 [ 109.558203] RSP: 0018:ffff94087fc83d40 EFLAGS: 00010206 [ 109.558286] RAX: 0000000000000130 RBX: ffffffff8975bf80 RCX: ffff94084fab6800 [ 109.558373] RDX: 0000000000000010 RSI: 000000000000000c RDI: 0000000000000000 [ 109.558460] RBP: 0000000000000b88 R08: 0000000000000000 R09: 0000000000000022 [ 109.558547] R10: 0000000000000008 R11: ffff94087fc83e04 R12: 0000000000000000 [ 109.558763] R13: ffff94084fab6800 R14: ffff94087fc83e04 R15: 000000000000002f [ 109.558979] FS: 0000000000000000(0000) GS:ffff94087fc80000(0000) knlGS:0000000000000000 [ 109.559326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.559539] CR2: 0000000000000080 CR3: 0000000281809000 CR4: 00000000001026e0 [ 109.559753] Stack: [ 109.559957] 000000000000000c ffff94084fab6822 0000000000000001 ffff94085c2b5fc0 [ 109.560578] 0000000000000001 0000000000002000 0000000000000000 0000000000000000 [ 109.561200] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 109.561820] Call Trace: [ 109.562027] <IRQ> [ 109.562108] [<ffffffff88dfb4fa>] ? eth_get_headlen+0x7a/0xf0 [ 109.562522] [<ffffffff88c5a35a>] ? igb_poll+0x96a/0xe80 [ 109.562737] [<ffffffff88dc912b>] ? net_rx_action+0x20b/0x350 [ 109.562953] [<ffffffff88546d68>] ? __do_softirq+0xe8/0x280 [ 109.563169] [<ffffffff8854704a>] ? irq_exit+0xaa/0xb0 [ 109.563382] [<ffffffff8847229b>] ? do_IRQ+0x4b/0xc0 [ 109.563597] [<ffffffff8902d4ff>] ? common_interrupt+0x7f/0x7f [ 109.563810] <EOI> [ 109.563890] [<ffffffff88d57530>] ? cpuidle_enter_state+0x130/0x2c0 [ 109.564304] [<ffffffff88d57520>] ? cpuidle_enter_state+0x120/0x2c0 [ 109.564520] [<ffffffff8857eacf>] ? cpu_startup_entry+0x19f/0x1f0 [ 109.564737] [<ffffffff8848d55a>] ? start_secondary+0x12a/0x140 [ 109.564950] Code: 83 e2 20 a8 80 0f 84 60 01 00 00 c7 04 24 08 00 00 00 66 85 d2 0f 84 be fe ff ff e9 69 fe ff ff 8b 34 24 89 f2 83 c2 04 66 85 c0 <41> 8b 84 24 80 00 00 00 0f 49 d6 41 8d 31 01 d6 41 2b 84 24 84 [ 109.569959] RIP [<ffffffff88dc02f8>] __skb_flow_dissect+0xa88/0xce0 [ 109.570245] RSP <ffff94087fc83d40> [ 109.570453] CR2: 0000000000000080 Fixes: ab10dccb ("rps: Inspect PPTP encapsulated by GRE to get flow hash") Signed-off-by: NIan Kumlien <ian.kumlien@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 12月, 2016 1 次提交
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由 Simon Horman 提交于
Allow dissection of ICMP(V6) type and code. This should only occur if a packet is ICMP(V6) and the dissector has FLOW_DISSECTOR_KEY_ICMP set. There are currently no users of FLOW_DISSECTOR_KEY_ICMP. A follow-up patch will allow FLOW_DISSECTOR_KEY_ICMP to be used by the flower classifier. Signed-off-by: NSimon Horman <simon.horman@netronome.com> Acked-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 23 11月, 2016 1 次提交
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由 Eric Dumazet 提交于
Andre Noll reported panics after my recent fix (commit 34fad54c "net: __skb_flow_dissect() must cap its return value") After some more headaches, Alexander root caused the problem to init_default_flow_dissectors() being called too late, in case a network driver like IGB is not a module and receives DHCP message very early. Fix is to call init_default_flow_dissectors() much earlier, as it is a core infrastructure and does not depend on another kernel service. Fixes: 06635a35 ("flow_dissect: use programable dissector in skb_flow_dissect and friends") Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: NAndre Noll <maan@tuebingen.mpg.de> Diagnosed-by: NAlexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 11月, 2016 1 次提交
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由 Eric Dumazet 提交于
After Tom patch, thoff field could point past the end of the buffer, this could fool some callers. If an skb was provided, skb->len should be the upper limit. If not, hlen is supposed to be the upper limit. Fixes: a6e544b0 ("flow_dissector: Jump to exit code in __skb_flow_dissect") Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: Yibin Yang <yibyang@cisco.com Acked-by: NAlexander Duyck <alexander.h.duyck@intel.com> Acked-by: NWillem de Bruijn <willemb@google.com> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 30 10月, 2016 1 次提交
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由 Florian Westphal 提交于
Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 28 10月, 2016 1 次提交
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由 Arnd Bergmann 提交于
gcc warns about an uninitialized pointer dereference in the vlan priority handling: net/core/flow_dissector.c: In function '__skb_flow_dissect': net/core/flow_dissector.c:281:61: error: 'vlan' may be used uninitialized in this function [-Werror=maybe-uninitialized] As pointed out by Jiri Pirko, the variable is never actually used without being initialized first as the only way it end up uninitialized is with skb_vlan_tag_present(skb)==true, and that means it does not get accessed. However, the warning hints at some related issues that I'm addressing here: - the second check for the vlan tag is different from the first one that tests the skb for being NULL first, causing both the warning and a possible NULL pointer dereference that was not entirely fixed. - The same patch that introduced the NULL pointer check dropped an earlier optimization that skipped the repeated check of the protocol type - The local '_vlan' variable is referenced through the 'vlan' pointer but the variable has gone out of scope by the time that it is accessed, causing undefined behavior Caching the result of the 'skb && skb_vlan_tag_present(skb)' check in a local variable allows the compiler to further optimize the later check. With those changes, the warning also disappears. Fixes: 3805a938 ("flow_dissector: Check skb for VLAN only if skb specified.") Fixes: d5709f7a ("flow_dissector: For stripped vlan, get vlan info from skb->vlan_tci") Signed-off-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NJiri Pirko <jiri@mellanox.com> Acked-by: NEric Garver <e@erig.me> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 10月, 2016 1 次提交
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由 Eric Garver 提交于
Fixes a panic when calling eth_get_headlen(). Noticed on i40e driver. Fixes: d5709f7a ("flow_dissector: For stripped vlan, get vlan info from skb->vlan_tci") Signed-off-by: NEric Garver <e@erig.me> Reviewed-by: NJakub Sitnicki <jkbs@redhat.com> Acked-by: NAmir Vadai <amir@vadai.me> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 9月, 2016 1 次提交
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由 Gao Feng 提交于
The original codes depend on that the function parameters are evaluated from left to right. But the parameter's evaluation order is not defined in C standard actually. When flow_keys_have_l4(&keys) is invoked before ___skb_get_hash(skb, &keys, hashrnd) with some compilers or environment, the keys passed to flow_keys_have_l4 is not initialized. Fixes: 6db61d79 ("flow_dissector: Ignore flow dissector return value from ___skb_get_hash") Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NGao Feng <fgao@ikuai8.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 8月, 2016 2 次提交
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由 Hadar Hen Zion 提交于
Add vlan priority check to the flow dissector by adding new flow dissector struct, flow_dissector_key_vlan which includes vlan tag fields. vlan_id and flow_label fields were under the same struct (flow_dissector_key_tags). It was a convenient setting since struct flow_dissector_key_tags is used by struct flow_keys and by setting vlan_id and flow_label under the same struct, we get precisely 24 or 48 bytes in flow_keys from flow_dissector_key_basic. Now, when adding vlan priority support, the code will be cleaner if flow_label and vlan tag won't be under the same struct anymore. Signed-off-by: NHadar Hen Zion <hadarh@mellanox.com> Acked-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Hadar Hen Zion 提交于
Early in the datapath skb_vlan_untag function is called, stripped the vlan from the skb and set skb->vlan_tci and skb->vlan_proto fields. The current dissection doesn't handle stripped vlan packets correctly. In some flows, vlan doesn't exist in skb->data anymore when applying flow dissection on the skb, fix that. In case vlan info wasn't stripped before applying flow_dissector (RPS flow for example), or in case of skb with multiple vlans (e.g. 802.1ad), get the vlan info from skb->data. The flow_dissector correctly skips any number of vlans and stores only the first level vlan. Fixes: 0744dd00 ('net: introduce skb_flow_dissect()') Signed-off-by: NHadar Hen Zion <hadarh@mellanox.com> Acked-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 8月, 2016 1 次提交
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由 Gao Feng 提交于
The PPTP is encapsulated by GRE header with that GRE_VERSION bits must contain one. But current GRE RPS needs the GRE_VERSION must be zero. So RPS does not work for PPTP traffic. In my test environment, there are four MIPS cores, and all traffic are passed through by PPTP. As a result, only one core is 100% busy while other three cores are very idle. After this patch, the usage of four cores are balanced well. Signed-off-by: NGao Feng <fgao@ikuai8.com> Reviewed-by: NPhilip Prindeville <philipp@redfish-solutions.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 7月, 2016 1 次提交
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由 David S. Miller 提交于
People who use PACKET_FANOUT_HASH want a symmetric hash, meaning that they want packets going in both directions on a flow to hash to the same bucket. The core kernel SKB hash became non-symmetric when the ipv6 flow label and other entities were incorporated into the standard flow hash order to increase entropy. But there are no users of PACKET_FANOUT_HASH who want an assymetric hash, they all want a symmetric one. Therefore, use the flow dissector to compute a flat symmetric hash over only the protocol, addresses and ports. This hash does not get installed into and override the normal skb hash, so this change has no effect whatsoever on the rest of the stack. Reported-by: NEric Leblond <eric@regit.org> Tested-by: NEric Leblond <eric@regit.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 3月, 2016 1 次提交
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由 Amir Vadai 提交于
Will be used in a following patch to query if a key is being used, and what it's value in the target object. Acked-by: NJohn Fastabend <john.r.fastabend@intel.com> Acked-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NAmir Vadai <amir@vadai.me> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 25 2月, 2016 4 次提交
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由 Alexander Duyck 提交于
The IPv6 parsing was using a local pointer when it could use the same pointer as the IPv4 portion of the code since the key_addrs can support both IPv4 and IPv6 as it is just a pointer. Signed-off-by: NAlexander Duyck <aduyck@mirantis.com> Acked-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexander Duyck 提交于
The flow dissector bits handling FCoE didn't bother to actually validate that the space there was enough for the FCoE header. So we need to update things so that if there is room we add the header and report a good result, otherwise we do not add the header, and report the bad result. Signed-off-by: NAlexander Duyck <aduyck@mirantis.com> Acked-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexander Duyck 提交于
It turns out that for IPv4 we were reporting the ip_proto of the fragment, and for IPv6 we were not. This patch updates that behavior so that we always report the IP protocol of the fragment. In addition it takes the steps of updating the payload offset code so that we will determine the start of the payload not including the L4 header for any fragment after the first. Signed-off-by: NAlexander Duyck <aduyck@mirantis.com> Acked-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexander Duyck 提交于
This patch corrects the logic for the IPv4 parsing so that it is consistent with how we handle IPv6. Specifically if we do not have the flow key indicating we want the addresses we still may need to take a look at the IP fragmentation bits and to see if we should stop after we have recognized the L3 header. Fixes: 807e165d ("flow_dissector: Add control/reporting of fragmentation") Signed-off-by: NAlexander Duyck <aduyck@mirantis.com> Acked-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 17 2月, 2016 1 次提交
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由 Alexander Duyck 提交于
This patch corrects the unaligned accesses seen on GRE TEB tunnels when generating hash keys. Specifically what this patch does is make it so that we force the use of skb_copy_bits when the GRE inner headers will be unaligned due to NET_IP_ALIGNED being a non-zero value. Signed-off-by: NAlexander Duyck <aduyck@mirantis.com> Acked-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 2月, 2016 1 次提交
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由 Alexander Duyck 提交于
This patch fixes an issue with unaligned accesses when using eth_get_headlen on a page that was DMA aligned instead of being IP aligned. The fact is when trying to check the length we don't need to be looking at the flow label so we can reorder the checks to first check if we are supposed to gather the flow label and then make the call to actually get it. v2: Updated path so that either STOP_AT_FLOW_LABEL or KEY_FLOW_LABEL can cause us to check for the flow label. Reported-by: NSowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: NAlexander Duyck <aduyck@mirantis.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 9月, 2015 8 次提交
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
These cannot live in net/core/flow.c which only builds when XFRM is enabled. Reported-by: Nkbuild test robot <fengguang.wu@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Just have a flags member instead. In file included from include/linux/linkage.h:4:0, from include/linux/kernel.h:6, from net/core/flow_dissector.c:1: In function 'flow_keys_hash_start', inlined from 'flow_hash_from_keys' at net/core/flow_dissector.c:553:34: >> include/linux/compiler.h:447:38: error: call to '__compiletime_assert_459' declared with attribute error: BUILD_BUG_ON failed: FLOW_KEYS_HASH_OFFSET % sizeof(u32) Reported-by: Nkbuild test robot <fengguang.wu@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
In ___skb_get_hash ignore return value from skb_flow_dissect_flow_keys. A failure in that function likely means that there was a parse error, so we may as well use whatever fields were found before the error was hit. This is also good because it means we won't keep trying to derive the hash on subsequent calls to skb_get_hash for the same packet. Signed-off-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Add an input flag to flow dissector on rather dissection should stop when encapsulation is detected (IP/IP or GRE). Also, add a key_control flag that indicates encapsulation was encountered during the dissection. Signed-off-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Add an input flag to flow dissector on rather dissection should be stopped when a flow label is encountered. Presumably, the flow label is derived from a sufficient hash of an inner transport packet so further dissection is not needed (that is ports are not included in the flow hash). Using the flow label instead of ports has the additional benefit that packet fragments should hash to same value as non-fragments for a flow (assuming that the same flow label is used). We set this flag by default in for skb_get_hash. Signed-off-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Add an input flag to flow dissector on rather dissection should be stopped when an L3 packet is encountered. This would be useful if a caller just wanted to get IP addresses of the outermost header (e.g. to do an L3 hash). Signed-off-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Parse NEXTHDR_FRAGMENT. When seen account for it in the fragment bits of key_control. Also, check if first fragment should be parsed. Signed-off-by: NTom Herbert <tom@herbertland.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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