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authorZhu Yanjun <yanjun.zhu@oracle.com>2019-08-23 21:04:16 -0400
committerDavid S. Miller <davem@davemloft.net>2019-08-24 16:55:25 -0700
commite0e6d062822529dbe9be21939359b0d1e065bb0f (patch)
treeb74cf0a42615d0b991f248e5fcd976d32557e774 /net/bridge/br_input.c
parente93fb3e9521abffadb8f965c591a290cdd92b56c (diff)
net: rds: add service level support in rds-info
>From IB specific 7.6.5 SERVICE LEVEL, Service Level (SL) is used to identify different flows within an IBA subnet. It is carried in the local route header of the packet. Before this commit, run "rds-info -I". The outputs are as below: " RDS IB Connections: LocalAddr RemoteAddr Tos SL LocalDev RemoteDev 192.2.95.3 192.2.95.1 2 0 fe80::21:28:1a:39 fe80::21:28:10:b9 192.2.95.3 192.2.95.1 1 0 fe80::21:28:1a:39 fe80::21:28:10:b9 192.2.95.3 192.2.95.1 0 0 fe80::21:28:1a:39 fe80::21:28:10:b9 " After this commit, the output is as below: " RDS IB Connections: LocalAddr RemoteAddr Tos SL LocalDev RemoteDev 192.2.95.3 192.2.95.1 2 2 fe80::21:28:1a:39 fe80::21:28:10:b9 192.2.95.3 192.2.95.1 1 1 fe80::21:28:1a:39 fe80::21:28:10:b9 192.2.95.3 192.2.95.1 0 0 fe80::21:28:1a:39 fe80::21:28:10:b9 " The commit fe3475af3bdf ("net: rds: add per rds connection cache statistics") adds cache_allocs in struct rds_info_rdma_connection as below: struct rds_info_rdma_connection { ... __u32 rdma_mr_max; __u32 rdma_mr_size; __u8 tos; __u32 cache_allocs; }; The peer struct in rds-tools of struct rds_info_rdma_connection is as below: struct rds_info_rdma_connection { ... uint32_t rdma_mr_max; uint32_t rdma_mr_size; uint8_t tos; uint8_t sl; uint32_t cache_allocs; }; The difference between userspace and kernel is the member variable sl. In the kernel struct, the member variable sl is missing. This will introduce risks. So it is necessary to use this commit to avoid this risk. Fixes: fe3475af3bdf ("net: rds: add per rds connection cache statistics") CC: Joe Jin <joe.jin@oracle.com> CC: JUNXIAO_BI <junxiao.bi@oracle.com> Suggested-by: Gerd Rausch <gerd.rausch@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_input.c')
0 files changed, 0 insertions, 0 deletions