diff options
Diffstat (limited to 'src/vnet/session')
| -rw-r--r-- | src/vnet/session/session_node.c | 134 |
1 files changed, 67 insertions, 67 deletions
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index b6c1b2f04f3..d6fcd911b08 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -65,17 +65,24 @@ static char *session_queue_error_strings[] = { #undef _ }; -always_inline void -session_tx_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * node, - u32 next_index, vlib_buffer_t * b, - stream_session_t * s, u32 * n_trace) +static void +session_tx_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node, + u32 next_index, u32 * to_next, u16 n_segs, + stream_session_t * s, u32 n_trace) { session_queue_trace_t *t; - vlib_trace_buffer (vm, node, next_index, b, 1 /* follow_chain */ ); - vlib_set_trace_count (vm, node, --*n_trace); - t = vlib_add_trace (vm, node, b, sizeof (*t)); - t->session_index = s->session_index; - t->server_thread_index = s->thread_index; + vlib_buffer_t *b; + int i; + + for (i = 0; i < clib_min (n_trace, n_segs); i++) + { + b = vlib_get_buffer (vm, to_next[i - n_segs]); + vlib_trace_buffer (vm, node, next_index, b, 1 /* follow_chain */ ); + vlib_set_trace_count (vm, node, --n_trace); + t = vlib_add_trace (vm, node, b, sizeof (*t)); + t->session_index = s->session_index; + t->server_thread_index = s->thread_index; + } } always_inline void @@ -359,7 +366,7 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node, stream_session_t * s, int *n_tx_packets, u8 peek_data) { - u32 next_index, next0, next1, next2, next3, *to_next, n_left_to_next; + u32 next_index, next0, next1, *to_next, n_left_to_next; u32 n_trace = vlib_get_trace_count (vm, node), n_bufs_needed = 0; u32 thread_index = s->thread_index, n_left, pbi; session_manager_main_t *smm = &session_manager_main; @@ -376,7 +383,7 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node, } next_index = smm->session_type_to_next[s->session_type]; - next0 = next1 = next2 = next3 = next_index; + next0 = next1 = next_index; tp = session_get_transport_proto (s); ctx->s = s; @@ -428,77 +435,70 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node, } ctx->left_to_snd = ctx->max_len_to_snd; n_left = ctx->n_segs_per_evt; - while (n_left) - { - while (n_left >= 4) - { - vlib_buffer_t *b0, *b1; - u32 bi0, bi1; - pbi = smm->tx_buffers[thread_index][n_bufs - 3]; - pb = vlib_get_buffer (vm, pbi); - vlib_prefetch_buffer_header (pb, STORE); - pbi = smm->tx_buffers[thread_index][n_bufs - 4]; - pb = vlib_get_buffer (vm, pbi); - vlib_prefetch_buffer_header (pb, STORE); + while (n_left >= 4) + { + vlib_buffer_t *b0, *b1; + u32 bi0, bi1; - to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs]; - to_next[1] = bi1 = smm->tx_buffers[thread_index][--n_bufs]; + pbi = smm->tx_buffers[thread_index][n_bufs - 3]; + pb = vlib_get_buffer (vm, pbi); + vlib_prefetch_buffer_header (pb, STORE); + pbi = smm->tx_buffers[thread_index][n_bufs - 4]; + pb = vlib_get_buffer (vm, pbi); + vlib_prefetch_buffer_header (pb, STORE); - b0 = vlib_get_buffer (vm, bi0); - b1 = vlib_get_buffer (vm, bi1); + to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs]; + to_next[1] = bi1 = smm->tx_buffers[thread_index][--n_bufs]; - session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data); - session_tx_fill_buffer (vm, ctx, b1, &n_bufs, peek_data); + b0 = vlib_get_buffer (vm, bi0); + b1 = vlib_get_buffer (vm, bi1); - ctx->transport_vft->push_header (ctx->tc, b0); - ctx->transport_vft->push_header (ctx->tc, b1); + session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data); + session_tx_fill_buffer (vm, ctx, b1, &n_bufs, peek_data); - to_next += 2; - n_left_to_next -= 2; - n_left -= 2; + ctx->transport_vft->push_header (ctx->tc, b0); + ctx->transport_vft->push_header (ctx->tc, b1); - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0); - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1); + to_next += 2; + n_left_to_next -= 2; + n_left -= 2; - if (PREDICT_FALSE (n_trace > 0)) - { - session_tx_trace_buffer (vm, node, next_index, b0, s, &n_trace); - if (n_trace) - session_tx_trace_buffer (vm, node, next_index, b1, s, - &n_trace); - } + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0); + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b1); - vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, - n_left_to_next, bi0, bi1, - next0, next1); - } - while (n_left) - { - vlib_buffer_t *b0; - u32 bi0; + vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next, + n_left_to_next, bi0, bi1, next0, + next1); + } + while (n_left) + { + vlib_buffer_t *b0; + u32 bi0; - ASSERT (n_bufs >= 1); - to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs]; - b0 = vlib_get_buffer (vm, bi0); - session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data); + ASSERT (n_bufs >= 1); + to_next[0] = bi0 = smm->tx_buffers[thread_index][--n_bufs]; + b0 = vlib_get_buffer (vm, bi0); + session_tx_fill_buffer (vm, ctx, b0, &n_bufs, peek_data); - /* Ask transport to push header after current_length and - * total_length_not_including_first_buffer are updated */ - ctx->transport_vft->push_header (ctx->tc, b0); + /* Ask transport to push header after current_length and + * total_length_not_including_first_buffer are updated */ + ctx->transport_vft->push_header (ctx->tc, b0); - to_next += 1; - n_left_to_next -= 1; - n_left -= 1; + to_next += 1; + n_left_to_next -= 1; + n_left -= 1; - VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0); - if (PREDICT_FALSE (n_trace > 0)) - session_tx_trace_buffer (vm, node, next_index, b0, s, &n_trace); + VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0); - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, - n_left_to_next, bi0, next0); - } + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, + n_left_to_next, bi0, next0); } + + if (PREDICT_FALSE (n_trace > 0)) + session_tx_trace_frame (vm, node, next_index, to_next, + ctx->n_segs_per_evt, s, n_trace); + _vec_len (smm->tx_buffers[thread_index]) = n_bufs; *n_tx_packets += ctx->n_segs_per_evt; vlib_put_next_frame (vm, node, next_index, n_left_to_next); |