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/tlspicotls/tls_picotls.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'src/plugins/tlspicotls') diff --git a/src/plugins/tlspicotls/tls_picotls.c b/src/plugins/tlspicotls/tls_picotls.c index 17834e3e051..a9eea333779 100644 --- a/src/plugins/tlspicotls/tls_picotls.c +++ b/src/plugins/tlspicotls/tls_picotls.c @@ -410,7 +410,7 @@ picotls_content_process (picotls_ctx_t * ptls_ctx, svm_fifo_t * src_fifo, } static inline int -picotls_ctx_write (tls_ctx_t * ctx, session_t * app_session) +picotls_ctx_write (tls_ctx_t * ctx, session_t * app_session, u32 max_write) { picotls_ctx_t *ptls_ctx = (picotls_ctx_t *) ctx; u32 deq_max, deq_now; @@ -457,13 +457,15 @@ picotls_ctx_write (tls_ctx_t * ctx, session_t * app_session) deq_max = svm_fifo_max_dequeue_cons (app_tx_fifo); if (!deq_max) return deq_max; + + deq_max = clib_min (deq_max, max_write); deq_now = clib_min (deq_max, svm_fifo_max_read_chunk (app_tx_fifo)); enq_max = svm_fifo_max_enqueue_prod (tls_tx_fifo); /** There is no engough enqueue space for one record **/ if (enq_max <= record_overhead) { - tls_add_vpp_q_builtin_tx_evt (app_session); + app_session->flags |= SESSION_F_CUSTOM_TX; return 0; } @@ -506,7 +508,7 @@ picotls_ctx_write (tls_ctx_t * ctx, session_t * app_session) tls_add_vpp_q_tx_evt (tls_session); if (from_app_len < deq_max || TLS_WRITE_IS_LEFT (ptls_ctx)) - tls_add_vpp_q_builtin_tx_evt (app_session); + app_session->flags |= SESSION_F_CUSTOM_TX; if (ctx->app_closed) picotls_app_close (ctx); -- cgit 1.2.3-korg