[PATCH v3] eal: add function to check lcore role
From: Pavan Nikhilesh <hidden>
Date: 2017-09-21 10:59:58
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: Pavan Bhagavatula <redacted> This function can be used to check the role of a specific lcore. Signed-off-by: Pavan Nikhilesh <redacted> Acked-by: Harry van Haaren <redacted> --- v3 changes: - moved changes to eal_common_thread.c - addressed coding style issues v2 changes: - removed ack due to significant changes in patch - addressed review comments - modified commit title and message lib/librte_eal/bsdapp/eal/rte_eal_version.map | 7 +++++++ lib/librte_eal/common/eal_common_thread.c | 14 ++++++++++++++ lib/librte_eal/common/include/rte_lcore.h | 14 ++++++++++++++ lib/librte_eal/linuxapp/eal/rte_eal_version.map | 7 +++++++ 4 files changed, 42 insertions(+)
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index aac6fd7..19f75d9 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map@@ -237,3 +237,10 @@ EXPERIMENTAL { rte_service_unregister; } DPDK_17.08; + +DPDK_17.11 { + global: + + rte_lcore_has_role; + +} DPDK_17.08;
diff --git a/lib/librte_eal/common/eal_common_thread.c b/lib/librte_eal/common/eal_common_thread.c
index 2405e93..55e9696 100644
--- a/lib/librte_eal/common/eal_common_thread.c
+++ b/lib/librte_eal/common/eal_common_thread.c@@ -53,6 +53,20 @@ unsigned rte_socket_id(void) return RTE_PER_LCORE(_socket_id); } +int +rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role) +{ + struct rte_config *cfg = rte_eal_get_configuration(); + + if (lcore_id >= RTE_MAX_LCORE) + return -EINVAL; + + if (cfg->lcore_role[lcore_id] == role) + return 0; + + return -EINVAL; +} + int eal_cpuset_socket_id(rte_cpuset_t *cpusetp) { unsigned cpu = 0;
diff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h
index 50e0d0f..c89e6ba 100644
--- a/lib/librte_eal/common/include/rte_lcore.h
+++ b/lib/librte_eal/common/include/rte_lcore.h@@ -262,6 +262,20 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp); */ int rte_thread_setname(pthread_t id, const char *name); +/** + * Test if the core supplied has a specific role + * + * @param lcore_id + * The identifier of the lcore, which MUST be between 0 and + * RTE_MAX_LCORE-1. + * @param role + * The role to be checked against. + * @return + * On success, return 0; otherwise return a negative value. + */ +int +rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role); + #ifdef __cplusplus } #endif
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 3a8f154..60c2fbc 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map@@ -242,3 +242,10 @@ EXPERIMENTAL { rte_service_unregister; } DPDK_17.08; + +DPDK_17.11 { + global: + + rte_lcore_has_role; + +} DPDK_17.08; --
2.7.4