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| author | Patrick McHardy <kaber@trash.net> | 2014-01-08 13:02:15 +0000 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2014-01-08 13:02:15 +0000 |
| commit | 77ef4d83c8d030b183ff763605b2c3026545fc9c (patch) | |
| tree | 8ad321d7a8d5f285d84f3873c75f65c408ec11be /include/expression.h | |
| parent | 8f86606efe82489945db1706bd1d1a4d524afcad (diff) | |
expr: add protocol context update callback
Add a callback function to the expression ops to update the protocol
context for relational protocol expressions (EXPR_F_PROTOCOL).
Also set the EXPR_F_PROTOCOL flag for IIFTYPE meta expressions to make
sure the callback is invoked when necessary.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/expression.h')
| -rw-r--r-- | include/expression.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/expression.h b/include/expression.h index 2b7b3795..59b27c08 100644 --- a/include/expression.h +++ b/include/expression.h @@ -118,7 +118,9 @@ static inline void expr_set_context(struct expr_ctx *ctx, * @destroy: destructor, must release inner expressions * @set_type: function to promote type and byteorder of inner types * @print: function to print the expression + * @pctx_update:update protocol context */ +struct proto_ctx; struct expr_ops { enum expr_types type; const char *name; @@ -128,6 +130,8 @@ struct expr_ops { const struct datatype *dtype, enum byteorder byteorder); void (*print)(const struct expr *expr); + void (*pctx_update)(struct proto_ctx *ctx, + const struct expr *expr); }; /** |