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| author | Florian Fainelli <f.fainelli@gmail.com> | 2014-04-28 22:14:27 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-04-30 21:31:25 +0400 |
| commit | 7fa857ed041537ee6cbc7ee4ab0204a1231cfcb9 (patch) | |
| tree | ef2b1467a36a089d3961f60f8d445cb6743bde4a /include/net/dsa.h | |
| parent | ed036f809a4286a76d078a5be121a5d523d6ecdd (diff) | |
| download | linux-7fa857ed041537ee6cbc7ee4ab0204a1231cfcb9.tar.xz | |
net: dsa: add ds_to_priv
DSA drivers have a trick which consists in allocating "priv_size" more
bytes to account for the DSA driver private context. Add a helper
function to access that private context instead of open-coding it in
drivers with (void *)(ds + 1).
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 7828ebf99ee1..6efce384451e 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -181,6 +181,11 @@ struct dsa_switch_driver { void register_switch_driver(struct dsa_switch_driver *type); void unregister_switch_driver(struct dsa_switch_driver *type); +static inline void *ds_to_priv(struct dsa_switch *ds) +{ + return (void *)(ds + 1); +} + /* * The original DSA tag format and some other tag formats have no * ethertype, which means that we need to add a little hack to the |