- 19 10月, 2011 2 次提交
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由 Eric Dumazet 提交于
e1000e uses paged frags, so any layer incorrectly pulling bytes from skb can trigger a BUG in skb_pull() [951.142737] [<ffffffff813d2f36>] skb_pull+0x15/0x17 [951.142737] [<ffffffffa0286824>] pptp_rcv_core+0x126/0x19a [pptp] [951.152725] [<ffffffff813d17c4>] sk_receive_skb+0x69/0x105 [951.163558] [<ffffffffa0286993>] pptp_rcv+0xc8/0xdc [pptp] [951.165092] [<ffffffffa02800a3>] gre_rcv+0x62/0x75 [gre] [951.165092] [<ffffffff81410784>] ip_local_deliver_finish+0x150/0x1c1 [951.177599] [<ffffffff81410634>] ? ip_local_deliver_finish+0x0/0x1c1 [951.177599] [<ffffffff81410846>] NF_HOOK.clone.7+0x51/0x58 [951.177599] [<ffffffff81410996>] ip_local_deliver+0x51/0x55 [951.177599] [<ffffffff814105b9>] ip_rcv_finish+0x31a/0x33e [951.177599] [<ffffffff8141029f>] ? ip_rcv_finish+0x0/0x33e [951.204898] [<ffffffff81410846>] NF_HOOK.clone.7+0x51/0x58 [951.214651] [<ffffffff81410bb5>] ip_rcv+0x21b/0x246 pptp_rcv_core() is a nice example of a function assuming everything it needs is available in skb head. Reported-by: NBradley Peterson <despite@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 Eric Dumazet 提交于
In case we cant transmit skb, we must free it Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> CC: Dmitry Kozlov <xeb@mail.ru> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 24 6月, 2011 1 次提交
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由 Jesper Juhl 提交于
It was pointed out by 'make versioncheck' that some includes of linux/version.h are not needed in drivers/net/. This patch removes them. Signed-off-by: NJesper Juhl <jj@chaosbits.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 04 5月, 2011 2 次提交
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由 David S. Miller 提交于
Instead of rt->rt_{src,dst} Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 3月, 2011 1 次提交
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由 David S. Miller 提交于
The idea here is this minimizes the number of places one has to edit in order to make changes to how flows are defined and used. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 3月, 2011 1 次提交
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由 David S. Miller 提交于
Instead of on the stack. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 12月, 2010 2 次提交
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由 David S. Miller 提交于
Always go through a new ip4_dst_hoplimit() helper, just like ipv6. This allowed several simplifications: 1) The interim dst_metric_hoplimit() can go as it's no longer userd. 2) The sysctl_ip_default_ttl entry no longer needs to use ipv4_doint_and_flush, since the sysctl is not cached in routing cache metrics any longer. 3) ipv4_doint_and_flush no longer needs to be exported and therefore can be marked static. When ipv4_doint_and_flush_strategy was removed some time ago, the external declaration in ip.h was mistakenly left around so kill that off too. We have to move the sysctl_ip_default_ttl declaration into ipv4's route cache definition header net/route.h, because currently net/ip.h (where the declaration lives now) has a back dependency on net/route.h Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 28 11月, 2010 1 次提交
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由 Eric Dumazet 提交于
Use vzalloc() and vzalloc_node() in net drivers Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Acked-by: NJon Mason <jon.mason@exar.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 9月, 2010 1 次提交
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由 Eric Dumazet 提交于
Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 8月, 2010 1 次提交
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由 Dmitry Kozlov 提交于
PPP: introduce "pptp" module which implements point-to-point tunneling protocol using pppox framework NET: introduce the "gre" module for demultiplexing GRE packets on version criteria (required to pptp and ip_gre may coexists) NET: ip_gre: update to use the "gre" module This patch introduces then pptp support to the linux kernel which dramatically speeds up pptp vpn connections and decreases cpu usage in comparison of existing user-space implementation (poptop/pptpclient). There is accel-pptp project (https://sourceforge.net/projects/accel-pptp/) to utilize this module, it contains plugin for pppd to use pptp in client-mode and modified pptpd (poptop) to build high-performance pptp NAS. There was many changes from initial submitted patch, most important are: 1. using rcu instead of read-write locks 2. using static bitmap instead of dynamically allocated 3. using vmalloc for memory allocation instead of BITS_PER_LONG + __get_free_pages 4. fixed many coding style issues Thanks to Eric Dumazet. Signed-off-by: NDmitry Kozlov <xeb@mail.ru> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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