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lib: Unify flags parsing and formatting.

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Use the "+-" syntax more uniformly when printing masked flags, and use
the syntax of delimited 1-flags also for formatting fully masked TCP
flags.

The "+-" syntax only deals with masked flags, but if there are many of
those, the printout becomes long and confusing.  Typically there are
many flags only when flags are fully masked, but even then most of
them are zeros, so it makes sense to print the flags that are set
(ones) and omit the zero flags.

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Jarno Rajahalme
2014-09-05 15:44:20 -07:00
parent 260974dcdf
commit ea2735d3cc
6 changed files with 255 additions and 154 deletions
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lib/flow.h
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@@ -67,6 +67,8 @@ BUILD_ASSERT_DECL(FLOW_NW_FRAG_LATER == NX_IP_FRAG_LATER);
#define FLOW_TNL_F_KEY (1 << 2)
#define FLOW_TNL_F_OAM (1 << 3)
#define FLOW_TNL_F_MASK ((1 << 4) - 1)
const char *flow_tun_flag_to_string(uint32_t flags);
/* Maximum number of supported MPLS labels. */