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| author |   Maor Gottlieb <maorg@mellanox.com> | 2020-04-30 22:21:43 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2020-05-02 20:19:54 -0300 |
| commit | bd3920eac133103f0d4aa5fc62290e6df9a6c6da (patch) | |
| tree | 38860e6b30e1d75cfe4551d6a193ab975ea5e7ec /include/rdma | |
| parent | RDMA: Group create AH arguments in struct (diff) | |
| download | wireguard-linux-bd3920eac133103f0d4aa5fc62290e6df9a6c6da.tar.xz wireguard-linux-bd3920eac133103f0d4aa5fc62290e6df9a6c6da.zip | |
RDMA/core: Add LAG functionality
Add support to get the RoCE LAG xmit slave by building skb of the RoCE
packet and call to master_get_xmit_slave. If driver wants to get the
slave assume all slaves are available, then need to set
RDMA_LAG_FLAGS_HASH_ALL_SLAVES in flags.
Link: https://lore.kernel.org/r/20200430192146.12863-14-maorg@mellanox.com
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_verbs.h | 1 | ||||
| -rw-r--r-- | include/rdma/lag.h | 23 |
2 files changed, 24 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 20ea26810349..e6c18ec0365a 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2714,6 +2714,7 @@ struct ib_device { /* Used by iWarp CM */ char iw_ifname[IFNAMSIZ]; u32 iw_driver_flags; + u32 lag_flags; }; struct ib_client_nl_info; diff --git a/include/rdma/lag.h b/include/rdma/lag.h new file mode 100644 index 000000000000..7c06ec9b2eef --- /dev/null +++ b/include/rdma/lag.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2020 Mellanox Technologies. All rights reserved. + */ + +#ifndef _RDMA_LAG_H_ +#define _RDMA_LAG_H_ + +#include <net/lag.h> + +struct ib_device; +struct rdma_ah_attr; + +enum rdma_lag_flags { + RDMA_LAG_FLAGS_HASH_ALL_SLAVES = 1 << 0 +}; + +void rdma_lag_put_ah_roce_slave(struct net_device *xmit_slave); +struct net_device *rdma_lag_get_ah_roce_slave(struct ib_device *device, + struct rdma_ah_attr *ah_attr, + gfp_t flags); + +#endif /* _RDMA_LAG_H_ */ |