From ed8db52539a8d8239a9a43bea53328d25eb47f0d Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Thu, 27 Feb 2020 04:32:51 +0000 Subject: session tls: improve app transports tx scheduling Type: improvement - allow apps to request rescheduling of tx events via SESSION_F_CUSTOM_TX flag - limit max burst per session custom tx dispatch In tls - use the new infra to reschedule tx events - use max burst bytes as upper limit to number of bytes to be encrypted Signed-off-by: Florin Coras Change-Id: I544a5a3337af7ebdff3406b776adf30cf96ebf3c --- src/plugins/tlsmbedtls/tls_mbedtls.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'src/plugins/tlsmbedtls') diff --git a/src/plugins/tlsmbedtls/tls_mbedtls.c b/src/plugins/tlsmbedtls/tls_mbedtls.c index 7b722faf822..8ac736ae6f3 100644 --- a/src/plugins/tlsmbedtls/tls_mbedtls.c +++ b/src/plugins/tlsmbedtls/tls_mbedtls.c @@ -431,7 +431,7 @@ mbedtls_ctx_handshake_rx (tls_ctx_t * ctx) } static int -mbedtls_ctx_write (tls_ctx_t * ctx, session_t * app_session) +mbedtls_ctx_write (tls_ctx_t * ctx, session_t * app_session, u32 max_write) { mbedtls_ctx_t *mc = (mbedtls_ctx_t *) ctx; u8 thread_index = ctx->c_thread_index; @@ -446,13 +446,14 @@ mbedtls_ctx_write (tls_ctx_t * ctx, session_t * app_session) if (!deq_max) return 0; + deq_max = clib_min (deq_max, max_write); tls_session = session_get_from_handle (ctx->tls_session_handle); enq_max = svm_fifo_max_enqueue_prod (tls_session->tx_fifo); deq_now = clib_min (deq_max, TLS_CHUNK_SIZE); if (PREDICT_FALSE (enq_max == 0)) { - tls_add_vpp_q_builtin_tx_evt (app_session); + app_session->flags |= SESSION_F_CUSTOM_TX; return 0; } @@ -462,7 +463,7 @@ mbedtls_ctx_write (tls_ctx_t * ctx, session_t * app_session) wrote = mbedtls_ssl_write (&mc->ssl, mm->tx_bufs[thread_index], deq_now); if (wrote <= 0) { - tls_add_vpp_q_builtin_tx_evt (app_session); + app_session->flags |= SESSION_F_CUSTOM_TX; return 0; } @@ -471,7 +472,7 @@ mbedtls_ctx_write (tls_ctx_t * ctx, session_t * app_session) tls_add_vpp_q_tx_evt (tls_session); if (deq_now < deq_max) - tls_add_vpp_q_builtin_tx_evt (app_session); + app_session->flags |= SESSION_F_CUSTOM_TX; return 0; } -- cgit 1.2.3-korg