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2015-10-28IB/cma: Add support for network namespacesGuy Shapiro1-2/+2
Add support for network namespaces in the ib_cma module. This is accomplished by: 1. Adding network namespace parameter for rdma_create_id. This parameter is used to populate the network namespace field in rdma_id_private. rdma_create_id keeps a reference on the network namespace. 2. Using the network namespace from the rdma_id instead of init_net inside of ib_cma, when listening on an ID and when looking for an ID for an incoming request. 3. Decrementing the reference count for the appropriate network namespace when calling rdma_destroy_id. In order to preserve the current behavior init_net is passed when calling from other modules. Signed-off-by: Guy Shapiro <guysh@mellanox.com> Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Yotam Kenneth <yotamke@mellanox.com> Signed-off-by: Shachar Raindel <raindel@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-08-25RDS: check for valid cm_id before initiating connectionsantosh.shilimkar@oracle.com1-2/+13
Connection could have been dropped while the route is being resolved so check for valid cm_id before initiating the connection. Reviewed-by: Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-18RDS: Switch to generic logging helpersSagi Grimberg1-31/+3
Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2014-05-30RDS/RDMA: Replace comma with semicolonHimangi Saraogi1-1/+1
This patch replaces a comma between expression statements by a semicolon. A simplified version of the semantic patch that performs this transformation is as follows: // <smpl> @r@ expression e1,e2,e; type T; identifier i; @@ e1 -, +; e2; // </smpl> Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-31net: Fix files explicitly needing to include module.hPaul Gortmaker1-0/+1
With calls to modular infrastructure, these files really needs the full module.h header. Call it out so some of the cleanups of implicit and unrequired includes elsewhere can be cleaned up. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-05-25RDMA/cma: Pass QP type into rdma_create_id()Sean Hefty1-1/+2
The RDMA CM currently infers the QP type from the port space selected by the user. In the future (eg with RDMA_PS_IB or XRC), there may not be a 1-1 correspondence between port space and QP type. For netlink export of RDMA CM state, we want to export the QP type to userspace, so it is cleaner to explicitly associate a QP type to an ID. Modify rdma_create_id() to allow the user to specify the QP type, and use it to make our selections of datagram versus connected mode. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2010-10-21rds: make local functions/variables staticstephen hemminger1-2/+2
The RDS protocol has lots of functions that should be declared static. rds_message_get/add_version_extension is removed since it defined but never used. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-08RDS/IB: print string constants in more placesZach Brown1-4/+34
This prints the constant identifier for work completion status and rdma cm event types, like we already do for IB event types. A core string array helper is added that each string type uses. Signed-off-by: Zach Brown <zach.brown@oracle.com>
2010-09-08RDS: remove __init and __exit annotationZach Brown1-2/+2
The trivial amount of memory saved isn't worth the cost of dealing with section mismatches. Signed-off-by: Zach Brown <zach.brown@oracle.com>
2010-04-27Merge branch 'master' of ↵David S. Miller1-1/+1
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/e100.c drivers/net/e1000e/netdev.c
2010-04-22rdma: potential ERR_PTR dereferenceDan Carpenter1-1/+1
In the original code, the "goto out" calls "rdma_destroy_id(cm_id);" That isn't needed here and would cause problems because "cm_id" is an ERR_PTR. The new code just returns directly. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-16RDS: Turn down alarming reconnect messagesAndy Grover1-1/+1
RDS's error messages when a connection goes down are a little extreme. A connection may go down, and it will be re-established, and everything is fine. This patch links these messages through rdsdebug(), instead of to printk directly. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-16RDS: Do not BUG() on error returned from ib_post_sendAndy Grover1-2/+1
BUGging on a runtime error code should be avoided. This patch also eliminates all other BUG()s that have no real reason to exist. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-23RDS: Modularize RDMA and TCP transportsAndy Grover1-0/+6
Enable the building of transports as modules. Also, improve consistency of Kconfig messages in relation to other protocols, and move build dependency on IB from the RDS core code to the rds_rdma module. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05net/rds: Use AF_INET for sin_family fieldJulia Lawall1-1/+1
Elsewhere the sin_family field holds a value with a name of the form AF_..., so it seems reasonable to do so here as well. Also the values of PF_INET and AF_INET are the same. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ struct sockaddr_in sip; @@ ( sip.sin_family == - PF_INET + AF_INET | sip.sin_family != - PF_INET + AF_INET | sip.sin_family = - PF_INET + AF_INET ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-07-20RDS/RDMA: Fix cut-n-paste errors in printks in rdma_transport.cAndy Grover1-4/+4
Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-09RDS: Correct some iw references in rdma_transport.cAndy Grover1-6/+6
Had some lingering instances of _iw_ variable names from when the listen code was centralized into rdma_transport.c Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-26RDS: Common RDMA transport codeAndy Grover1-0/+214
Although most of IB and iWARP are separated from each other, there is some common code required to handle their shared CM listen port. This code listens for CM events and then dispatches the event to the appropriate transport, either IB or iWARP. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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