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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id h16-20020a632110000000b005f3c5cf33b5sm3383074pgh.37.2024.04.19.10.29.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Apr 2024 10:29:41 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Reshma Pattan Subject: [PATCH v4 6/6] latencystats: fix for pedantic warnings Date: Fri, 19 Apr 2024 10:28:26 -0700 Message-ID: <20240419172926.55447-7-stephen@networkplumber.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240419172926.55447-1-stephen@networkplumber.org> References: <20240408195036.182545-1-stephen@networkplumber.org> <20240419172926.55447-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org ISO C does not allow casting function pointer to void *. Resolve by enforcing the reserved argument. The user_cb argument for rte_latencystats_init() was not implemented, and had to be NULL anyway. The log type is local to this function and RTE_LOG_REGISTER_DEFAULT alread has a semicolon. So adding one here causes a warning if compiler is set to pedantic. Signed-off-by: Stephen Hemminger --- lib/latencystats/rte_latencystats.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/lib/latencystats/rte_latencystats.c b/lib/latencystats/rte_latencystats.c index 5db896ac7b..f60c893199 100644 --- a/lib/latencystats/rte_latencystats.c +++ b/lib/latencystats/rte_latencystats.c @@ -29,7 +29,7 @@ static double cycles_per_ns; -RTE_LOG_REGISTER_DEFAULT(latencystat_logtype, INFO); +static RTE_LOG_REGISTER_DEFAULT(latencystat_logtype, INFO) #define RTE_LOGTYPE_LATENCY_STATS latencystat_logtype #define LATENCY_STATS_LOG(level, ...) \ RTE_LOG_LINE(level, LATENCY_STATS, "" __VA_ARGS__) @@ -229,6 +229,10 @@ rte_latencystats_init(uint64_t app_samp_intvl, if (rte_memzone_lookup(MZ_RTE_LATENCY_STATS)) return -EEXIST; + /** Reserved for possible future use */ + if (user_cb != NULL) + return -ENOTSUP; + /** Allocate stats in shared memory fo multi process support */ mz = rte_memzone_reserve(MZ_RTE_LATENCY_STATS, sizeof(*glob_stats), rte_socket_id(), flags); @@ -281,7 +285,7 @@ rte_latencystats_init(uint64_t app_samp_intvl, for (qid = 0; qid < dev_info.nb_rx_queues; qid++) { cbs = &rx_cbs[pid][qid]; cbs->cb = rte_eth_add_first_rx_callback(pid, qid, - add_time_stamps, user_cb); + add_time_stamps, NULL); if (!cbs->cb) LATENCY_STATS_LOG(NOTICE, "Failed to register Rx callback for pid=%u, qid=%u", @@ -290,7 +294,7 @@ rte_latencystats_init(uint64_t app_samp_intvl, for (qid = 0; qid < dev_info.nb_tx_queues; qid++) { cbs = &tx_cbs[pid][qid]; cbs->cb = rte_eth_add_tx_callback(pid, qid, - calc_latency, user_cb); + calc_latency, NULL); if (!cbs->cb) LATENCY_STATS_LOG(NOTICE, "Failed to register Tx callback for pid=%u, qid=%u", -- 2.43.0