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authorFlorin Coras <fcoras@cisco.com>2017-06-19 12:26:09 -0400
committerDave Barach <openvpp@barachs.net>2017-06-22 16:55:03 +0000
commitf6359c8cace5b73a813e5f4e3d1bc28f7752fcdf (patch)
tree38aa2a4dca15fb49c8c6ed967f1fd50d522926cc /src/vnet/session
parent5be2d073ceb695104fd84bce592cb588f8aaaa66 (diff)
Improve svm fifo and tcp tx path performance (VPP-846)
- multiarch on svm fifo - avoid ip lookup on tx Change-Id: Iab0d85204a710979417bca1d692cc47877131203 Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dbarach@cisco.com>
Diffstat (limited to 'src/vnet/session')
-rw-r--r--src/vnet/session/node.c13
-rw-r--r--src/vnet/session/transport.h7
2 files changed, 11 insertions, 9 deletions
diff --git a/src/vnet/session/node.c b/src/vnet/session/node.c
index c0ab1bf0..b24f5fd9 100644
--- a/src/vnet/session/node.c
+++ b/src/vnet/session/node.c
@@ -248,6 +248,11 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
ASSERT (bi0);
_vec_len (smm->tx_buffers[thread_index]) = n_bufs;
+ /* usual speculation, or the enqueue_x1 macro will barf */
+ to_next[0] = bi0;
+ to_next += 1;
+ n_left_to_next -= 1;
+
b0 = vlib_get_buffer (vm, bi0);
b0->error = 0;
b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID
@@ -255,10 +260,6 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
b0->current_data = 0;
b0->total_length_not_including_first_buffer = 0;
- /* RX on the local interface. tx in default fib */
- vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
-
len_to_deq0 = clib_min (left_to_snd0, deq_per_buf);
data0 = vlib_buffer_make_headroom (b0, MAX_HDRS_LEN);
@@ -307,10 +308,6 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
}));
/* *INDENT-ON* */
- /* usual speculation, or the enqueue_x1 macro will barf */
- to_next[0] = bi0;
- to_next += 1;
- n_left_to_next -= 1;
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
if (PREDICT_FALSE (n_trace > 0))
diff --git a/src/vnet/session/transport.h b/src/vnet/session/transport.h
index 04bd5ca0..561a9257 100644
--- a/src/vnet/session/transport.h
+++ b/src/vnet/session/transport.h
@@ -30,13 +30,16 @@ typedef struct _transport_connection
ip46_address_t lcl_ip; /**< Local IP */
u16 lcl_port; /**< Local port */
u16 rmt_port; /**< Remote port */
- u8 proto; /**< Transport protocol id (also session type) */
+ u8 proto; /**< Protocol id (also session type) */
u32 s_index; /**< Parent session index */
u32 c_index; /**< Connection index in transport pool */
u8 is_ip4; /**< Flag if IP4 connection */
u32 thread_index; /**< Worker-thread index */
+ fib_node_index_t rmt_fei; /**< FIB entry index for rmt */
+ dpo_id_t rmt_dpo; /**< Forwarding DPO for rmt */
+
#if TRANSPORT_DEBUG
elog_track_t elog_track; /**< Event logging */
u32 cc_stat_tstamp; /**< CC stats timestamp */
@@ -59,6 +62,8 @@ typedef struct _transport_connection
#define c_thread_index connection.thread_index
#define c_elog_track connection.elog_track
#define c_cc_stat_tstamp connection.cc_stat_tstamp
+#define c_rmt_fei connection.rmt_fei
+#define c_rmt_dpo connection.rmt_dpo
} transport_connection_t;
/*