Age | Commit message (Collapse) | Author | Files | Lines | |
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2013-02-27 | hlist: drop the node parameter from iterators | Sasha Levin | 1 | -8/+7 | |
I'm not sure why, but the hlist for each entry iterators were conceived list_for_each_entry(pos, head, member) The hlist ones were greedy and wanted an extra parameter: hlist_for_each_entry(tpos, pos, head, member) Why did they need an extra pos parameter? I'm not quite sure. Not only they don't really need it, it also prevents the iterator from looking exactly like the list iterator, which is unfortunate. Besides the semantic patch, there was some manual work required: - Fix up the actual hlist iterators in linux/list.h - Fix up the declaration of other iterators based on the hlist ones. - A very small amount of places were using the 'node' parameter, this was modified to use 'obj->member' instead. - Coccinelle didn't handle the hlist_for_each_entry_safe iterator properly, so those had to be fixed up manually. The semantic patch which is mostly the work of Peter Senna Tschudin is here: @@ iterator name hlist_for_each_entry, hlist_for_each_entry_continue, hlist_for_each_entry_from, hlist_for_each_entry_rcu, hlist_for_each_entry_rcu_bh, hlist_for_each_entry_continue_rcu_bh, for_each_busy_worker, ax25_uid_for_each, ax25_for_each, inet_bind_bucket_for_each, sctp_for_each_hentry, sk_for_each, sk_for_each_rcu, sk_for_each_from, sk_for_each_safe, sk_for_each_bound, hlist_for_each_entry_safe, hlist_for_each_entry_continue_rcu, nr_neigh_for_each, nr_neigh_for_each_safe, nr_node_for_each, nr_node_for_each_safe, for_each_gfn_indirect_valid_sp, for_each_gfn_sp, for_each_host; type T; expression a,c,d,e; identifier b; statement S; @@ -T b; <+... when != b ( hlist_for_each_entry(a, - b, c, d) S | hlist_for_each_entry_continue(a, - b, c) S | hlist_for_each_entry_from(a, - b, c) S | hlist_for_each_entry_rcu(a, - b, c, d) S | hlist_for_each_entry_rcu_bh(a, - b, c, d) S | hlist_for_each_entry_continue_rcu_bh(a, - b, c) S | for_each_busy_worker(a, c, - b, d) S | ax25_uid_for_each(a, - b, c) S | ax25_for_each(a, - b, c) S | inet_bind_bucket_for_each(a, - b, c) S | sctp_for_each_hentry(a, - b, c) S | sk_for_each(a, - b, c) S | sk_for_each_rcu(a, - b, c) S | sk_for_each_from -(a, b) +(a) S + sk_for_each_from(a) S | sk_for_each_safe(a, - b, c, d) S | sk_for_each_bound(a, - b, c) S | hlist_for_each_entry_safe(a, - b, c, d, e) S | hlist_for_each_entry_continue_rcu(a, - b, c) S | nr_neigh_for_each(a, - b, c) S | nr_neigh_for_each_safe(a, - b, c, d) S | nr_node_for_each(a, - b, c) S | nr_node_for_each_safe(a, - b, c, d) S | - for_each_gfn_sp(a, c, d, b) S + for_each_gfn_sp(a, c, d) S | - for_each_gfn_indirect_valid_sp(a, c, d, b) S + for_each_gfn_indirect_valid_sp(a, c, d) S | for_each_host(a, - b, c) S | for_each_host_safe(a, - b, c, d) S | for_each_mesh_entry(a, - b, c, d) S ) ...+> [akpm@linux-foundation.org: drop bogus change from net/ipv4/raw.c] [akpm@linux-foundation.org: drop bogus hunk from net/ipv6/raw.c] [akpm@linux-foundation.org: checkpatch fixes] [akpm@linux-foundation.org: fix warnings] [akpm@linux-foudnation.org: redo intrusive kvm changes] Tested-by: Peter Senna Tschudin <peter.senna@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Gleb Natapov <gleb@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | |||||
2013-01-28 | can: rework skb reserved data handling | Oliver Hartkopp | 1 | -3/+1 | |
Added accessor and skb_reserve helpers for struct can_skb_priv. Removed pointless skb_headroom() check. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> CC: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> | |||||
2013-01-26 | can: gw: indicate and count deleted frames due to misconfiguration | Oliver Hartkopp | 1 | -1/+11 | |
Add a statistic counter to detect deleted frames due to misconfiguration with a new read-only CGW_DELETED netlink attribute for the CAN gateway. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2013-01-26 | can: gw: add a variable limit for CAN frame routings | Oliver Hartkopp | 1 | -16/+40 | |
To prevent a possible misconfiguration (e.g. circular CAN frame routings) limit the number of routings of a single CAN frame to a small variable value. The limit can be specified by the module parameter 'max_hops' (1..6). The default value is 1 (one hop), according to the original can-gw behaviour. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2013-01-26 | can: gw: make routing to the incoming CAN interface configurable | Oliver Hartkopp | 1 | -0/+8 | |
Introduce new configuration flag CGW_FLAGS_CAN_IIF_TX_OK to configure if a CAN sk_buff that has been routed with can-gw is allowed to be send back to the originating CAN interface. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2012-11-18 | net: Push capable(CAP_NET_ADMIN) into the rtnl methods | Eric W. Biederman | 1 | -0/+6 | |
- In rtnetlink_rcv_msg convert the capable(CAP_NET_ADMIN) check to ns_capable(net->user-ns, CAP_NET_ADMIN). Allowing unprivileged users to make netlink calls to modify their local network namespace. - In the rtnetlink doit methods add capable(CAP_NET_ADMIN) so that calls that are not safe for unprivileged users are still protected. Later patches will remove the extra capable calls from methods that are safe for unprivilged users. Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net> | |||||
2012-10-06 | sections: fix section conflicts in net/can | Andi Kleen | 1 | -1/+1 | |
Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | |||||
2012-09-10 | netlink: Rename pid to portid to avoid confusion | Eric W. Biederman | 1 | -1/+1 | |
It is a frequent mistake to confuse the netlink port identifier with a process identifier. Try to reduce this confusion by renaming fields that hold port identifiers portid instead of pid. I have carefully avoided changing the structures exported to userspace to avoid changing the userspace API. I have successfully built an allyesconfig kernel with this change. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net> | |||||
2012-07-10 | can: gw: Remove pointless casts | Thomas Graf | 1 | -4/+2 | |
No need to cast return value of nla_data() Signed-off-by: Thomas Graf <tgraf@suug.ch> Tested-by: Oliver Hartkopp <socketcan@hartkopp.net> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2012-07-10 | can: gw: Properly fill the netlink header when responding to RTM_GETROUTE | Thomas Graf | 1 | -3/+7 | |
- set message type to RTM_NEWROUTE - relate to original request by inheriting the sequence and port number. - set NLM_F_MULTI because it's a dump and more messages will follow Signed-off-by: Thomas Graf <tgraf@suug.ch> Tested-by: Oliver Hartkopp <socketcan@hartkopp.net> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2012-07-10 | can: gw: Use nla_policy to validate netlink attributes | Thomas Graf | 1 | -24/+23 | |
Also use nla_get_u32() instead of nla_memcpy() to access u32 attribtues. Signed-off-by: Thomas Graf <tgraf@suug.ch> Tested-by: Oliver Hartkopp <socketcan@hartkopp.net> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2012-07-10 | can: gw: Don't bump nlmsg_len manually | Thomas Graf | 1 | -26/+1 | |
nlmsg_end() will take care of this when we finalize the message. Signed-off-by: Thomas Graf <tgraf@suug.ch> Tested-by: Oliver Hartkopp <socketcan@hartkopp.net> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2012-04-16 | can: fix sparse warning for cgw_list | Daniel Baluta | 1 | -1/+1 | |
Make cgw_list static to remove the following sparse warning: net/can/gw.c:69:1: warning: symbol 'cgw_list' was not declared. Should it be static? Signed-off-by: Daniel Baluta <dbaluta@ixiacom.com> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> | |||||
2011-10-17 | can: remove references to berlios mailinglist | Marc Kleine-Budde | 1 | -2/+0 | |
The BerliOS project, which currently hosts our mailinglist, will close with the end of the year. Now take the chance and remove all occurrences of the mailinglist address from the source files. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> | |||||
2011-09-16 | can-gw: add netlink based CAN routing | Oliver Hartkopp | 1 | -0/+959 | |
This patch adds a CAN Gateway/Router to route (and modify) CAN frames. It is based on the PF_CAN core infrastructure for msg filtering and msg sending and can optionally modify routed CAN frames on the fly. CAN frames can *only* be routed between CAN network interfaces (one hop). They can be modified with AND/OR/XOR/SET operations as configured by the netlink configuration interface known e.g. from iptables. From the netlink view this can-gw implements RTM_{NEW|DEL|GET}ROUTE for PF_CAN. The CAN specific userspace tool to manage CAN routing entries can be found in the CAN utils http://svn.berlios.de/wsvn/socketcan/trunk/can-utils/cangw.c at the SocketCAN SVN on BerliOS. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net> |