From 5848e3d2813cd7d6bd0cc1010188c8086b4a6f6a Mon Sep 17 00:00:00 2001 From: Anatoly Burakov Date: Fri, 13 Jul 2018 13:47:58 +0100 Subject: [PATCH] ipc: support --no-shconf mode IPC is an inter-process communication mechanism. Since no secondaries can ever be expected to run in no-shconf mode, IPC will be useless, so do not enable it in the first place. In the interests of API usage convenience, we will still allow registering callbacks, but obviously they won't ever be triggered. Signed-off-by: Anatoly Burakov --- lib/librte_eal/common/eal_common_proc.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/lib/librte_eal/common/eal_common_proc.c b/lib/librte_eal/common/eal_common_proc.c index 0974e329bc..9fcb912190 100644 --- a/lib/librte_eal/common/eal_common_proc.c +++ b/lib/librte_eal/common/eal_common_proc.c @@ -572,6 +572,14 @@ rte_mp_channel_init(void) int dir_fd; pthread_t mp_handle_tid; + /* in no shared files mode, we do not have secondary processes support, + * so no need to initialize IPC. + */ + if (internal_config.no_shconf) { + RTE_LOG(DEBUG, EAL, "No shared files mode enabled, IPC will be disabled\n"); + return 0; + } + /* create filter path */ create_socket_path("*", path, sizeof(path)); strlcpy(mp_filter, basename(path), sizeof(mp_filter)); @@ -930,6 +938,12 @@ rte_mp_request_sync(struct rte_mp_msg *req, struct rte_mp_reply *reply, if (check_input(req) == false) return -1; + + if (internal_config.no_shconf) { + RTE_LOG(DEBUG, EAL, "No shared files mode enabled, IPC is disabled\n"); + return 0; + } + if (gettimeofday(&now, NULL) < 0) { RTE_LOG(ERR, EAL, "Faile to get current time\n"); rte_errno = errno; @@ -1014,6 +1028,12 @@ rte_mp_request_async(struct rte_mp_msg *req, const struct timespec *ts, if (check_input(req) == false) return -1; + + if (internal_config.no_shconf) { + RTE_LOG(DEBUG, EAL, "No shared files mode enabled, IPC is disabled\n"); + return 0; + } + if (gettimeofday(&now, NULL) < 0) { RTE_LOG(ERR, EAL, "Faile to get current time\n"); rte_errno = errno; @@ -1152,5 +1172,10 @@ rte_mp_reply(struct rte_mp_msg *msg, const char *peer) return -1; } + if (internal_config.no_shconf) { + RTE_LOG(DEBUG, EAL, "No shared files mode enabled, IPC is disabled\n"); + return 0; + } + return mp_send(msg, peer, MP_REP); } -- 2.20.1