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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45a053a9019sm84661445e9.21.2025.08.11.14.36.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 14:36:44 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Subject: [RFC 4/6] dumpcap: handle pdump requests from primary Date: Mon, 11 Aug 2025 14:35:02 -0700 Message-ID: <20250811213632.16023-5-stephen@networkplumber.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250811213632.16023-1-stephen@networkplumber.org> References: <20250811213632.16023-1-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 The primary process will start to notify all secondary processes about pdump changes. The dumpcap secondary process can just call rte_pdump_init() and it take care of that. Signed-off-by: Stephen Hemminger --- app/dumpcap/main.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/app/dumpcap/main.c b/app/dumpcap/main.c index 7b19c830b5..c734fc7b9d 100644 --- a/app/dumpcap/main.c +++ b/app/dumpcap/main.c @@ -528,6 +528,8 @@ cleanup_pdump_resources(void) if (intf->opts.promisc_mode) rte_eth_promiscuous_disable(intf->port); } + + rte_pdump_uninit(); } /* Alarm signal handler, used to check that primary process */ @@ -659,6 +661,14 @@ static void dpdk_init(void) if (rte_eal_init(eal_argc, eal_argv) < 0) rte_exit(EXIT_FAILURE, "EAL init failed: is primary process running?\n"); + /* + * Register pdump callback handler. + * Primary will notify all secondary processes of change. + * No impact for this application, but need to reply. + */ + if (rte_pdump_init() < 0) + rte_exit(EXIT_FAILURE, "EAL pdump init failed\n"); + /* * If no lcore argument was specified, then run this program as a normal process * which can be scheduled on any non-isolated CPU. -- 2.47.2