bitrate: fix calculation to match API description

rte_stats_bitrate_calc() API states it returns 'Negative value on error'.

However, the implementation will return the error code from
rte_eth_stats

bitrate: fix calculation to match API description

rte_stats_bitrate_calc() API states it returns 'Negative value on error'.

However, the implementation will return the error code from
rte_eth_stats_get() which may be non-zero on error.

Change the implementation of rte_stats_bitrate_calc() to match
the API description by always returning a negative value on error.

Fixes: 2ad7ba9a6567 ("bitrate: add bitrate statistics library")

Signed-off-by: Kevin Traynor <ktraynor@redhat.com>

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bitrate: fix registration to match API description

rte_stats_bitrate_reg() API states it returns 'Zero on success'.

However, the implementation directly returns the return of
rte_metrics_reg_names(

bitrate: fix registration to match API description

rte_stats_bitrate_reg() API states it returns 'Zero on success'.

However, the implementation directly returns the return of
rte_metrics_reg_names() which may be zero or positive on success,
with a positive value also indicating the index.

The user of rte_stats_bitrate_reg() should not care about the
index as it is stored in the opaque rte_stats_bitrates struct.

Change the implementation of rte_stats_bitrate_reg() to match
the API description by always returning zero on success.

Fixes: 2ad7ba9a6567 ("bitrate: add bitrate statistics library")

Signed-off-by: Kevin Traynor <ktraynor@redhat.com>

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lib: remove librte_ prefix from directory names

There is no reason for the DPDK libraries to all have 'librte_' prefix on
the directory names. This prefix makes the directory names longer and also
m

lib: remove librte_ prefix from directory names

There is no reason for the DPDK libraries to all have 'librte_' prefix on
the directory names. This prefix makes the directory names longer and also
makes it awkward to add features referring to individual libraries in the
build - should the lib names be specified with or without the prefix.
Therefore, we can just remove the library prefix and use the library's
unique name as the directory name, i.e. 'eal' rather than 'librte_eal'

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

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