From 60197bda97a0bf65a9c4be131bf4b6d572c5996a Mon Sep 17 00:00:00 2001 From: Ferruh Yigit Date: Tue, 19 May 2020 13:16:29 +0100 Subject: [PATCH] meter: provide experimental alias for matured API On v20.02 some meter APIs have been matured and symbols moved from EXPERIMENTAL to DPDK_20.0.1 block. This can break the applications that were using these mentioned APIs on v19.11. Although there is no modification on the APIs and the action is positive and matures the APIs, the affect can be negative to applications. This patch provides aliasing by duplicating the existing and versioned symbols as experimental. Since symbols moved from DPDK_20.0.1 to DPDK_21 block in the v20.05, the aliasing done between EXPERIMENTAL and DPDK_21. With DPDK_21 ABI (DPDK v20.11) all aliasing will be removed and only stable version of the APIs will remain. Fixes: 30512af820fe ("meter: remove experimental flag from RFC4115 trTCM API") Cc: stable@dpdk.org Signed-off-by: Ferruh Yigit Acked-by: Cristian Dumitrescu Acked-by: Ray Kinsella --- lib/librte_meter/meson.build | 1 + lib/librte_meter/rte_meter.c | 73 ++++++++++++++++++++++++-- lib/librte_meter/rte_meter_version.map | 8 +++ 3 files changed, 79 insertions(+), 3 deletions(-) diff --git a/lib/librte_meter/meson.build b/lib/librte_meter/meson.build index 646fd4d43f..fce0368437 100644 --- a/lib/librte_meter/meson.build +++ b/lib/librte_meter/meson.build @@ -3,3 +3,4 @@ sources = files('rte_meter.c') headers = files('rte_meter.h') +use_function_versioning = true diff --git a/lib/librte_meter/rte_meter.c b/lib/librte_meter/rte_meter.c index da01429a8b..149cf58bdd 100644 --- a/lib/librte_meter/rte_meter.c +++ b/lib/librte_meter/rte_meter.c @@ -9,6 +9,7 @@ #include #include #include +#include #include "rte_meter.h" @@ -119,8 +120,15 @@ rte_meter_trtcm_config(struct rte_meter_trtcm *m, return 0; } -int -rte_meter_trtcm_rfc4115_profile_config( +/* + * ABI aliasing done for 'rte_meter_trtcm_rfc4115_profile_config' + * to support both EXPERIMENTAL and DPDK_21 versions + * This versioning will be removed on next ABI version (v20.11) + * and '__rte_meter_trtcm_rfc4115_profile_config' will be restrored back to + * 'rte_meter_trtcm_rfc4115_profile_config' without versioning. + */ +static int +__rte_meter_trtcm_rfc4115_profile_config( struct rte_meter_trtcm_rfc4115_profile *p, struct rte_meter_trtcm_rfc4115_params *params) { @@ -145,7 +153,42 @@ rte_meter_trtcm_rfc4115_profile_config( } int -rte_meter_trtcm_rfc4115_config( +rte_meter_trtcm_rfc4115_profile_config_s( + struct rte_meter_trtcm_rfc4115_profile *p, + struct rte_meter_trtcm_rfc4115_params *params); +int +rte_meter_trtcm_rfc4115_profile_config_s( + struct rte_meter_trtcm_rfc4115_profile *p, + struct rte_meter_trtcm_rfc4115_params *params) +{ + return __rte_meter_trtcm_rfc4115_profile_config(p, params); +} +BIND_DEFAULT_SYMBOL(rte_meter_trtcm_rfc4115_profile_config, _s, 21); +MAP_STATIC_SYMBOL(int rte_meter_trtcm_rfc4115_profile_config(struct rte_meter_trtcm_rfc4115_profile *p, + struct rte_meter_trtcm_rfc4115_params *params), rte_meter_trtcm_rfc4115_profile_config_s); + +int +rte_meter_trtcm_rfc4115_profile_config_e( + struct rte_meter_trtcm_rfc4115_profile *p, + struct rte_meter_trtcm_rfc4115_params *params); +int +rte_meter_trtcm_rfc4115_profile_config_e( + struct rte_meter_trtcm_rfc4115_profile *p, + struct rte_meter_trtcm_rfc4115_params *params) +{ + return __rte_meter_trtcm_rfc4115_profile_config(p, params); +} +VERSION_SYMBOL_EXPERIMENTAL(rte_meter_trtcm_rfc4115_profile_config, _e); + +/* + * ABI aliasing done for 'rte_meter_trtcm_rfc4115_config' + * to support both EXPERIMENTAL and DPDK_21 versions + * This versioning will be removed on next ABI version (v20.11) + * and '__rte_meter_trtcm_rfc4115_config' will be restrored back to + * 'rte_meter_trtcm_rfc4115_config' without versioning. + */ +static int +__rte_meter_trtcm_rfc4115_config( struct rte_meter_trtcm_rfc4115 *m, struct rte_meter_trtcm_rfc4115_profile *p) { @@ -160,3 +203,27 @@ rte_meter_trtcm_rfc4115_config( return 0; } + +int +rte_meter_trtcm_rfc4115_config_s(struct rte_meter_trtcm_rfc4115 *m, + struct rte_meter_trtcm_rfc4115_profile *p); +int +rte_meter_trtcm_rfc4115_config_s(struct rte_meter_trtcm_rfc4115 *m, + struct rte_meter_trtcm_rfc4115_profile *p) +{ + return __rte_meter_trtcm_rfc4115_config(m, p); +} +BIND_DEFAULT_SYMBOL(rte_meter_trtcm_rfc4115_config, _s, 21); +MAP_STATIC_SYMBOL(int rte_meter_trtcm_rfc4115_config(struct rte_meter_trtcm_rfc4115 *m, + struct rte_meter_trtcm_rfc4115_profile *p), rte_meter_trtcm_rfc4115_config_s); + +int +rte_meter_trtcm_rfc4115_config_e(struct rte_meter_trtcm_rfc4115 *m, + struct rte_meter_trtcm_rfc4115_profile *p); +int +rte_meter_trtcm_rfc4115_config_e(struct rte_meter_trtcm_rfc4115 *m, + struct rte_meter_trtcm_rfc4115_profile *p) +{ + return __rte_meter_trtcm_rfc4115_config(m, p); +} +VERSION_SYMBOL_EXPERIMENTAL(rte_meter_trtcm_rfc4115_config, _e); diff --git a/lib/librte_meter/rte_meter_version.map b/lib/librte_meter/rte_meter_version.map index 2c7dadbcac..b493bcebe9 100644 --- a/lib/librte_meter/rte_meter_version.map +++ b/lib/librte_meter/rte_meter_version.map @@ -20,4 +20,12 @@ DPDK_21 { rte_meter_trtcm_rfc4115_color_blind_check; rte_meter_trtcm_rfc4115_config; rte_meter_trtcm_rfc4115_profile_config; + } DPDK_20.0; + +EXPERIMENTAL { + global: + + rte_meter_trtcm_rfc4115_config; + rte_meter_trtcm_rfc4115_profile_config; +}; -- 2.20.1