- 13 4月, 2010 1 次提交
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由 Richard Cochran 提交于
Enable the SO_TIMESTAMPING socket infrastructure for raw packet sockets. We introduce PACKET_TX_TIMESTAMP for the control message cmsg_type. Similar support for UDP and CAN sockets was added in commit 51f31cabSigned-off-by: NRichard Cochran <richard.cochran@omicron.at> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 4月, 2010 4 次提交
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由 David S. Miller 提交于
Back in commit 04a0551c ("loopback: Drop obsolete ip_summed setting") we stopped setting CHECKSUM_UNNECESSARY in the loopback xmit. This is because such a setting was a lie since it implies that the checksum field of the packet is properly filled in. Instead what happens normally is that CHECKSUM_PARTIAL is set and skb->csum is calculated as needed. But this was only happening for TCP data packets (via the skb->ip_summed assignment done in tcp_sendmsg()). It doesn't happen for non-data packets like ACKs etc. Fix this by setting skb->ip_summed in the common non-data packet constructor. It already is setting skb->csum to zero. But this reminds us that we still have things like ip_output.c's ip_dev_loopback_xmit() which sets skb->ip_summed to the value CHECKSUM_UNNECESSARY, which Herbert's patch teaches us is not valid. So we'll have to address that at some point too. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Herbert Xu 提交于
inet: Remove unused send_check length argument This patch removes the unused length argument from the send_check function in struct inet_connection_sock_af_ops. Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Tested-by: NYinghai <yinghai.lu@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Herbert Xu 提交于
tcp: Handle CHECKSUM_PARTIAL for SYNACK packets for IPv6 This patch moves the common code between tcp_v6_send_check and tcp_v6_gso_send_check into a new function __tcp_v6_send_check. It then uses the new function in tcp_v6_send_synack as well as tcp_v6_send_response so that they handle CHECKSUM_PARTIAL properly. Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Tested-by: NYinghai <yinghai.lu@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Herbert Xu 提交于
tcp: Handle CHECKSUM_PARTIAL for SYNACK packets for IPv4 This patch moves the common code between tcp_v4_send_check and tcp_v4_gso_send_check into a new function __tcp_v4_send_check. It then uses the new function in tcp_v4_send_synack so that it handles CHECKSUM_PARTIAL properly. Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Tested-by: NYinghai <yinghai.lu@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 4月, 2010 1 次提交
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由 David S. Miller 提交于
This reverts commit 2626419a. It causes regressions for people with IGB cards. Connection requests don't complete etc. The true cause of the issue is still not known, but we should sort this out in net-next-2.6 not net-2.6 Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 4月, 2010 2 次提交
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由 David S. Miller 提交于
Back in commit 04a0551c ("loopback: Drop obsolete ip_summed setting") we stopped setting CHECKSUM_UNNECESSARY in the loopback xmit. This is because such a setting was a lie since it implies that the checksum field of the packet is properly filled in. Instead what happens normally is that CHECKSUM_PARTIAL is set and skb->csum is calculated as needed. But this was only happening for TCP data packets (via the skb->ip_summed assignment done in tcp_sendmsg()). It doesn't happen for non-data packets like ACKs etc. Fix this by setting skb->ip_summed in the common non-data packet constructor. It already is setting skb->csum to zero. But this reminds us that we still have things like ip_output.c's ip_dev_loopback_xmit() which sets skb->ip_summed to the value CHECKSUM_UNNECESSARY, which Herbert's patch teaches us is not valid. So we'll have to address that at some point too. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jorge Boncompte [DTI2] 提交于
Commits 5051ebd2 and 5051ebd2 ("ipv[46]: udp: optimize unicast RX path") broke some programs. After upgrading a L2TP server to 2.6.33 it started to fail, tunnels going up an down, after the 10th tunnel came up. My modified rp-l2tp uses a global unconnected socket bound to (INADDR_ANY, 1701) and one connected socket per tunnel after parameter negotiation. After ten sockets were open and due to mixed parameters to udp[46]_lib_lookup2() kernel started to drop packets. Signed-off-by: NJorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 08 4月, 2010 5 次提交
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由 chavey 提交于
Fix coding style errors and warnings output while running checkpatch.pl on the files net/core/ethtool.c and include/linux/ethtool.h Signed-off-by: Nchavey <chavey@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Hughes 提交于
The current X.25 code has some bugs in throughput negotiation: 1. It does negotiation in all cases, usually there is no need 2. It incorrectly attempts to negotiate the throughput class in one direction only. There are separate throughput classes for input and output and if either is negotiated both mist be negotiates. This is bug https://bugzilla.kernel.org/show_bug.cgi?id=15681 This bug was first reported by Daniel Ferenci to the linux-x25 mailing list on 6/8/2004, but is still present. The current (2.6.34) x.25 code doesn't seem to know that the X.25 throughput facility includes two values, one for the required throughput outbound, one for inbound. This causes it to attempt to negotiate throughput 0x0A, which is throughput 9600 inbound and the illegal value "0" for inbound throughput. Because of this some X.25 devices (e.g. Cisco 1600) refuse to connect to Linux X.25. The following patch fixes this behaviour. Unless the user specifies a required throughput it does not attempt to negotiate. If the user does not specify a throughput it accepts the suggestion of the remote X.25 system. If the user requests a throughput then it validates both the input and output throughputs and correctly negotiates them with the remote end. Signed-off-by: NJohn Hughes <john@calva.com> Tested-by: NAndrew Hendry <andrew.hendry@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John Hughes 提交于
Here is a patch to stop X.25 examining fields beyond the end of the packet. For example, when a simple CALL ACCEPTED was received: 10 10 0f x25_parse_facilities was attempting to decode the FACILITIES field, but this packet contains no facilities field. Signed-off-by: NJohn Hughes <john@calva.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Herbert Xu 提交于
The IGMP3 report parsing is looking at the wrong address for group records. This patch fixes it. Reported-by: NBanyeer <banyeer@yahoo.com> Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
As pointed by Randy Dunlap, we must include linux/proc_fs.h in net/core/dev_addr_lists.c, regardless of CONFIG_PROC_FS Reported-by: Randy Dunlap <randy.dunlap@oracle.com>, Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Acked-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 07 4月, 2010 8 次提交
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由 Timo Teräs 提交于
Speed up lookups by freeing flow cache entries later. After virtualizing flow cache entry operations, the flow cache may now end up calling policy or bundle destructor which can be slowish. As gc_list is more effective with double linked list, the flow cache is converted to use common hlist and list macroes where appropriate. Signed-off-by: NTimo Teras <timo.teras@iki.fi> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Timo Teräs 提交于
Policies are now properly reference counted and destroyed from all code paths. The delayed gc is just an overhead now and can be removed. Signed-off-by: NTimo Teras <timo.teras@iki.fi> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Timo Teräs 提交于
__xfrm_lookup() is called for each packet transmitted out of system. The xfrm_find_bundle() does a linear search which can kill system performance depending on how many bundles are required per policy. This modifies __xfrm_lookup() to store bundles directly in the flow cache. If we did not get a hit, we just create a new bundle instead of doing slow search. This means that we can now get multiple xfrm_dst's for same flow (on per-cpu basis). Signed-off-by: NTimo Teras <timo.teras@iki.fi> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Timo Teräs 提交于
This allows to validate the cached object before returning it. It also allows to destruct object properly, if the last reference was held in flow cache. This is also a prepartion for caching bundles in the flow cache. In return for virtualizing the methods, we save on: - not having to regenerate the whole flow cache on policy removal: each flow matching a killed policy gets refreshed as the getter function notices it smartly. - we do not have to call flow_cache_flush from policy gc, since the flow cache now properly deletes the object if it had any references Signed-off-by: NTimo Teras <timo.teras@iki.fi> Acked-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Hagen Paul Pfeifer 提交于
struct timespec ts was alreay defined. Reuse the previously defined one and reduce the memory footprint on the stack by 16 bytes. Signed-off-by: NHagen Paul Pfeifer <hagen@jauu.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jon Paul Maloy 提交于
This patch makes it explicit in the API that all fields in subscriptions and events exchanged with the Topology Server must be in network byte order. It also ensures that all fields of a subscription are compared when cancelling a subscription, in order to avoid inadvertent cancelling of the wrong subscription. Finally, the tipc module version is updated to 2.0.0, to reflect the API change. Signed-off-by: NJon Maloy <jon.maloy@ericsson.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Johannes Berg 提交于
The new RCU lockdep support warns about these in some contexts -- make it aware of the locks used to protect all this. Different locks are used in different contexts which unfortunately means we can't get perfect checking. Also remove rcu_dereference() from two places that don't actually dereference the pointers. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Javier Cardona 提交于
This fixes the problem introduced in commit 84040805 which broke mesh peer link establishment. changes: v2 Added missing break (Johannes) v3 Broke original patch into two (Johannes) Signed-off-by: NJavier Cardona <javier@cozybit.com> Cc: stable@kernel.org Reviewed-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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- 06 4月, 2010 4 次提交
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Fix kernel panic by NULL pointer dereference in the context of ieee80211_ops->prepare_multicast(). This bug was introduced by commit 22bedad3.. ("net: convert multicast list to list_head"). Call __hw_addr_init() in ieee80211_alloc_hw() to initialize list_head of private device multicast list, like we do in bond_init(). Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> 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
As noticed by Changli Gao, we must call local_irq_enable() after rps_unlock() Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Fix spin_unlock_irq which needs to be rps_unlock. Signed-off-by: NTom Herbert <therbert@google.com> Acked-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dan Carpenter 提交于
Saving -EINVAL as unsigned char truncates the high bits and changes it into 234 instead of -22. This breaks the test for "if (ret == -EINVAL)" in parse_opts(). Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
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- 05 4月, 2010 1 次提交
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由 Aneesh Kumar K.V 提交于
dcache prune happen on umount. So we cannot mark the client satus disconnect. That will prevent a 9p call to the server Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
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- 04 4月, 2010 14 次提交
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由 Eric Dumazet 提交于
Followup to commit 789a4a2c (l2tp: Add support for static unmanaged L2TPv3 tunnels) One missing init in l2tp_tunnel_sock_create() could access random kernel memory, and a bit field should be unsigned. Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Brian Haley 提交于
Change SCTP IPv6 code to use ipv6_addr_copy() Signed-off-by: NBrian Haley <brian.haley@hp.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
When ip_append() fails because of socket limit or memory shortage, increment ICMP_MIB_OUTERRORS counter, so that "netstat -s" can report these errors. LANG=C netstat -s | grep "ICMP messages failed" 0 ICMP messages failed For IPV6, implement ICMP6_MIB_OUTERRORS counter as well. # grep Icmp6OutErrors /proc/net/dev_snmp6/* /proc/net/dev_snmp6/eth0:Icmp6OutErrors 0 /proc/net/dev_snmp6/lo:Icmp6OutErrors 0 Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
We have to check CONFIG_L2TP_DEBUGFS_MODULE as well as CONFIG_L2TP_DEBUGFS. 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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由 James Chapman 提交于
This patch adds support for static (unmanaged) L2TPv3 tunnels, where the tunnel socket is created by the kernel rather than being created by userspace. This means L2TP tunnels and sessions can be created manually, without needing an L2TP control protocol implemented in userspace. This might be useful where the user wants a simple ethernet over IP tunnel. A patch to iproute2 adds a new command set under "ip l2tp" to make use of this feature. This will be submitted separately. Signed-off-by: NJames Chapman <jchapman@katalix.com> Reviewed-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
The existing pppol2tp driver exports debug info to /proc/net/pppol2tp. Rather than adding info to that file for the new functionality added in this patch series, we add new files in debugfs, leaving the old /proc file for backwards compatibility (L2TPv2 only). Currently only one file is provided: l2tp/tunnels, which lists internal debug info for all l2tp tunnels and sessions. More files may be added later. The info is for debug and problem analysis only - userspace apps should use netlink to obtain status about l2tp tunnels and sessions. Although debugfs does not support net namespaces, the tunnels and sessions dumped in l2tp/tunnels are only those in the net namespace of the process reading the file. Signed-off-by: NJames Chapman <jchapman@katalix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
This driver presents a regular net_device for each L2TP ethernet pseudowire instance. These interfaces are named l2tpethN by default, though userspace can specify an alternative name when the L2TP session is created, if preferred. When the pseudowire is established, regular Linux networking utilities may be used to configure the interface, i.e. give it IP address info or add it to a bridge. Any data passed over the interface is carried over an L2TP tunnel. Signed-off-by: NJames Chapman <jchapman@katalix.com> Reviewed-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
Reader/write locks are discouraged because they are slower than spin locks. So this patch converts the rwlocks used in the per_net structs to rcu. Signed-off-by: NJames Chapman <jchapman@katalix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
In L2TPv3, we need to create/delete/modify/query L2TP tunnel and session contexts. The number of parameters is significant. So let's use netlink. Userspace uses this API to control L2TP tunnel/session contexts in the kernel. The previous pppol2tp driver was managed using [gs]etsockopt(). This API is retained for backwards compatibility. Unlike L2TPv2 which carries only PPP frames, L2TPv3 can carry raw ethernet frames or other frame types and these do not always have an associated socket family. Therefore, we need a way to use L2TP sessions that doesn't require a socket type for each supported frame type. Hence netlink is used. Signed-off-by: NJames Chapman <jchapman@katalix.com> Reviewed-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
This lets kernel modules which use genl netlink APIs serialize netlink processing. Signed-off-by: NJames Chapman <jchapman@katalix.com> Reviewed-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
This patch adds a new L2TPIP socket family and modifies the core to handle the case where there is no UDP header in the L2TP packet. L2TP/IP uses IP protocol 115. Since L2TP/UDP and L2TP/IP packets differ in layout, the datapath packet handling code needs changes too. Userspace uses an L2TPIP socket instead of a UDP socket when IP encapsulation is required. We can't use raw sockets for this because the semantics of raw sockets don't lend themselves to the socket-per-tunnel model - we need to Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
This patch makes changes to the L2TP PPP code for L2TPv3. The existing code has some assumptions about the L2TP header which are broken by L2TPv3. Also the sockaddr_pppol2tp structure of the original code is too small to support the increased size of the L2TPv3 tunnel and session id, so a new sockaddr_pppol2tpv3 structure is needed. In the socket calls, the size of this structure is used to tell if the operation is for L2TPv2 or L2TPv3. Signed-off-by: NJames Chapman <jchapman@katalix.com> Reviewed-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 James Chapman 提交于
The L2TPv3 protocol changes the layout of the L2TP packet header. Tunnel and session ids change from 16-bit to 32-bit values, data sequence numbers change from 16-bit to 24-bit values and PPP-specific fields are moved into protocol-specific subheaders. Although this patch introduces L2TPv3 protocol support, there are no userspace interfaces to create L2TPv3 sessions yet. Signed-off-by: NJames Chapman <jchapman@katalix.com> Reviewed-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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