diff options
Diffstat (limited to 'src/vnet/session/session_node.c')
| -rw-r--r-- | src/vnet/session/session_node.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index 8d703b0b302..9c5b17d98e6 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -75,20 +75,25 @@ always_inline void session_tx_fifo_chain_tail (session_manager_main_t * smm, vlib_main_t * vm, u8 thread_index, svm_fifo_t * fifo, vlib_buffer_t * b0, u32 bi0, u8 n_bufs_per_seg, - u32 * left_to_snd0, u16 * n_bufs, u32 * rx_offset, - u16 deq_per_buf, u8 peek_data) + u32 left_from_seg, u32 * left_to_snd0, + u16 * n_bufs, u32 * rx_offset, u16 deq_per_buf, + u8 peek_data) { vlib_buffer_t *chain_b0, *prev_b0; - u32 chain_bi0; + u32 chain_bi0, to_deq; u16 len_to_deq0, n_bytes_read; u8 *data0, j; + b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID; + b0->total_length_not_including_first_buffer = 0; + chain_bi0 = bi0; chain_b0 = b0; + to_deq = left_from_seg; for (j = 1; j < n_bufs_per_seg; j++) { prev_b0 = chain_b0; - len_to_deq0 = clib_min (*left_to_snd0, deq_per_buf); + len_to_deq0 = clib_min (to_deq, deq_per_buf); *n_bufs -= 1; chain_bi0 = smm->tx_buffers[thread_index][*n_bufs]; @@ -117,10 +122,12 @@ session_tx_fifo_chain_tail (session_manager_main_t * smm, vlib_main_t * vm, /* update current buffer */ chain_b0->next_buffer = 0; - *left_to_snd0 -= n_bytes_read; - if (*left_to_snd0 == 0) + to_deq -= n_bytes_read; + if (to_deq == 0) break; } + ASSERT (to_deq == 0); + *left_to_snd0 -= left_from_seg; } always_inline int @@ -223,7 +230,6 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node, && ((buffers_allocated + n_bufs < VLIB_FRAME_SIZE))); n_bufs += buffers_allocated; - _vec_len (smm->tx_buffers[thread_index]) = n_bufs; if (PREDICT_FALSE (n_bufs < VLIB_FRAME_SIZE)) @@ -289,11 +295,15 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node, * Fill in the remaining buffers in the chain, if any */ if (PREDICT_FALSE (n_bufs_per_seg > 1)) - session_tx_fifo_chain_tail (smm, vm, thread_index, - s0->server_tx_fifo, b0, bi0, - n_bufs_per_seg, &left_to_snd0, - &n_bufs, &rx_offset, deq_per_buf, - peek_data); + { + u32 left_for_seg; + left_for_seg = clib_min (snd_mss0 - n_bytes_read, left_to_snd0); + session_tx_fifo_chain_tail (smm, vm, thread_index, + s0->server_tx_fifo, b0, bi0, + n_bufs_per_seg, left_for_seg, + &left_to_snd0, &n_bufs, &rx_offset, + deq_per_buf, peek_data); + } /* Ask transport to push header after current_length and * total_length_not_including_first_buffer are updated */ @@ -607,8 +617,9 @@ skip_dequeue: clib_warning ("It's dead, Jim!"); continue; } - - if (PREDICT_FALSE (s0->session_state == SESSION_STATE_CLOSED)) + /* Can retransmit for closed sessions but can't do anything if + * session is not ready or closed */ + if (PREDICT_FALSE (s0->session_state < SESSION_STATE_READY)) continue; /* Spray packets in per session type frames, since they go to * different nodes */ |