diff options
| author |   Zhiyong Yang <zhiyong.yang@intel.com> | 2019-07-24 01:43:39 -0400 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2019-09-21 08:26:36 +0000 |
| commit | fb53022e583d19779667060da601f8efe95f0992 (patch) | |
| tree | c5a5a8ab9fe0f06741bca384197b32016e93eabd /src/plugins/nsh | |
| parent | ffdfe308b9e0d325d9275a22386b949d6f643d0b (diff) | |
nsh: rewrite nsh_output_inline
Type: style
Change-Id: I0c870eddb427efa26cd5b52daf12b13c3927976a
Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
(cherry picked from commit e16f6a77eb18f1e9b61f987089c82fe38bc317b2)
Diffstat (limited to 'src/plugins/nsh')
| -rw-r--r-- | src/plugins/nsh/nsh_output.c | 62 |
1 files changed, 30 insertions, 32 deletions
diff --git a/src/plugins/nsh/nsh_output.c b/src/plugins/nsh/nsh_output.c index 89b4bae623a..796503eed23 100644 --- a/src/plugins/nsh/nsh_output.c +++ b/src/plugins/nsh/nsh_output.c @@ -88,13 +88,15 @@ nsh_output_inline (vlib_main_t * vm, nsh_base_header_t *hdr0; ethernet_header_t * eth_hdr0; vlib_buffer_t * p0; - u32 pi0, rw_len0, adj_index0, next0, error0; + u32 pi0, adj_index0, next0, error0; ip_adjacency_t * adj1; nsh_base_header_t *hdr1; ethernet_header_t * eth_hdr1; vlib_buffer_t * p1; - u32 pi1, rw_len1, adj_index1, next1, error1; + u32 pi1, adj_index1, next1, error1; + int pkt_len0, pkt_len1; + word rw_len0, rw_len1; /* Prefetch next iteration. */ { @@ -141,27 +143,27 @@ nsh_output_inline (vlib_main_t * vm, /* Update packet buffer attributes/set output interface. */ rw_len0 = adj0[0].rewrite_header.data_bytes; rw_len1 = adj1[0].rewrite_header.data_bytes; + pkt_len0 = vlib_buffer_length_in_chain (vm, p0); + pkt_len1 = vlib_buffer_length_in_chain (vm, p1); /* Bump the adj counters for packet and bytes */ - vlib_increment_combined_counter - (&adjacency_counters, - thread_index, - adj_index0, - 1, - vlib_buffer_length_in_chain (vm, p0) + rw_len0); - vlib_increment_combined_counter - (&adjacency_counters, - thread_index, - adj_index1, - 1, - vlib_buffer_length_in_chain (vm, p1) + rw_len1); - + if (adj_index0 == adj_index1) + { + vlib_increment_combined_counter (&adjacency_counters, thread_index, adj_index0, 2, + pkt_len0 + rw_len0 + pkt_len1 + rw_len1); + } + else + { + vlib_increment_combined_counter (&adjacency_counters, thread_index, adj_index0, 1, + pkt_len0 + rw_len0); + vlib_increment_combined_counter (&adjacency_counters, thread_index, adj_index1, 1, + pkt_len1 + rw_len1); + } /* Check MTU of outgoing interface. */ - if (PREDICT_TRUE(vlib_buffer_length_in_chain (vm, p0) <= + if (PREDICT_TRUE(pkt_len0 <= adj0[0].rewrite_header.max_l3_packet_bytes)) { - p0->current_data -= rw_len0; - p0->current_length += rw_len0; + vlib_buffer_advance (p0, -rw_len0); vnet_buffer (p0)->sw_if_index[VLIB_TX] = adj0[0].rewrite_header.sw_if_index; @@ -178,11 +180,10 @@ nsh_output_inline (vlib_main_t * vm, error0 = IP4_ERROR_MTU_EXCEEDED; next0 = NSH_OUTPUT_NEXT_DROP; } - if (PREDICT_TRUE(vlib_buffer_length_in_chain (vm, p1) <= + if (PREDICT_TRUE(pkt_len1 <= adj1[0].rewrite_header.max_l3_packet_bytes)) { - p1->current_data -= rw_len1; - p1->current_length += rw_len1; + vlib_buffer_advance (p1, -rw_len1); vnet_buffer (p1)->sw_if_index[VLIB_TX] = adj1[0].rewrite_header.sw_if_index; @@ -236,7 +237,9 @@ nsh_output_inline (vlib_main_t * vm, nsh_base_header_t *hdr0; ethernet_header_t * eth_hdr0; vlib_buffer_t * p0; - u32 pi0, rw_len0, adj_index0, next0, error0; + u32 pi0, adj_index0, next0, error0; + int pkt_len0; + word rw_len0; pi0 = to_next[0] = from[0]; @@ -256,20 +259,15 @@ nsh_output_inline (vlib_main_t * vm, /* Update packet buffer attributes/set output interface. */ rw_len0 = adj0[0].rewrite_header.data_bytes; + pkt_len0 = vlib_buffer_length_in_chain (vm, p0); - vlib_increment_combined_counter - (&adjacency_counters, - thread_index, - adj_index0, - 1, - vlib_buffer_length_in_chain (vm, p0) + rw_len0); + vlib_increment_combined_counter (&adjacency_counters, thread_index, adj_index0, 1, + pkt_len0 + rw_len0); /* Check MTU of outgoing interface. */ - if (PREDICT_TRUE(vlib_buffer_length_in_chain (vm, p0) <= - adj0[0].rewrite_header.max_l3_packet_bytes)) + if (PREDICT_TRUE(pkt_len0 <= adj0[0].rewrite_header.max_l3_packet_bytes)) { - p0->current_data -= rw_len0; - p0->current_length += rw_len0; + vlib_buffer_advance (p0, -rw_len0); vnet_buffer (p0)->sw_if_index[VLIB_TX] = adj0[0].rewrite_header.sw_if_index; |