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| author | Vlad Buslov <vladbu@mellanox.com> | 2019-08-26 16:45:01 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-08-26 14:17:43 -0700 |
| commit | c9f14470d04830de217f9d28fcd0deffd7e8c0b1 (patch) | |
| tree | c9872a94afc6f2b5c92c1452d8144024c25c4fec /include/net/sch_generic.h | |
| parent | a449a3e77a85fc8b31fef7238451dc87af8ff1af (diff) | |
| download | lwn-c9f14470d04830de217f9d28fcd0deffd7e8c0b1.tar.gz lwn-c9f14470d04830de217f9d28fcd0deffd7e8c0b1.zip | |
net: sched: add API for registering unlocked offload block callbacks
Extend struct flow_block_offload with "unlocked_driver_cb" flag to allow
registering and unregistering block hardware offload callbacks that do not
require caller to hold rtnl lock. Extend tcf_block with additional
lockeddevcnt counter that is incremented for each non-unlocked driver
callback attached to device. This counter is necessary to conditionally
obtain rtnl lock before calling hardware callbacks in following patches.
Register mlx5 tc block offload callbacks as "unlocked".
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sch_generic.h')
| -rw-r--r-- | include/net/sch_generic.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index c4fbbaff30a2..43f5b7ed02bd 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -408,6 +408,7 @@ struct tcf_block { bool keep_dst; atomic_t offloadcnt; /* Number of oddloaded filters */ unsigned int nooffloaddevcnt; /* Number of devs unable to do offload */ + unsigned int lockeddevcnt; /* Number of devs that require rtnl lock. */ struct { struct tcf_chain *chain; struct list_head filter_chain_list; |