X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fin2out.c;h=661d8c1bef9d3f1b978c7df130be6ce34b8d42c5;hb=bb4e022502dd7f76d4f1cd705a7bac628d8c098c;hp=22a346855c6654a340f7010fae8d49c622a86201;hpb=c2b4dbe48a01e746bfa89c4208d6e6b686270ac0;p=vpp.git

diff --git a/src/plugins/nat/in2out.c b/src/plugins/nat/in2out.c
index 22a346855c6..661d8c1bef9 100755
--- a/src/plugins/nat/in2out.c
+++ b/src/plugins/nat/in2out.c
@@ -1336,6 +1336,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm,
               sum0 = ip_csum_update (sum0, old_port0, new_port0,
                                      ip4_header_t /* cheat */,
                                      length /* changed member */);
+              mss_clamping (sm, tcp0, &sum0);
               tcp0->checksum = ip_csum_fold(sum0);
             }
           else
@@ -1496,6 +1497,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm,
               sum1 = ip_csum_update (sum1, old_port1, new_port1,
                                      ip4_header_t /* cheat */,
                                      length /* changed member */);
+              mss_clamping (sm, tcp1, &sum1);
               tcp1->checksum = ip_csum_fold(sum1);
             }
           else
@@ -1693,6 +1695,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm,
               sum0 = ip_csum_update (sum0, old_port0, new_port0,
                                      ip4_header_t /* cheat */,
                                      length /* changed member */);
+              mss_clamping (sm, tcp0, &sum0);
               tcp0->checksum = ip_csum_fold(sum0);
             }
           else
@@ -3354,6 +3357,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                   tcp0->dst_port = s0->ext_host_port;
                   ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
                 }
+              mss_clamping (sm, tcp0, &sum0);
               tcp0->checksum = ip_csum_fold(sum0);
               if (nat44_set_tcp_session_state_i2o (sm, s0, tcp0, thread_index))
                 goto trace00;
@@ -3539,6 +3543,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                   ip1->dst_address.as_u32 = s1->ext_host_addr.as_u32;
                 }
               tcp1->checksum = ip_csum_fold(sum1);
+              mss_clamping (sm, tcp1, &sum1);
               if (nat44_set_tcp_session_state_i2o (sm, s1, tcp1, thread_index))
                 goto trace01;
             }
@@ -3751,6 +3756,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                   tcp0->dst_port = s0->ext_host_port;
                   ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
                 }
+              mss_clamping (sm, tcp0, &sum0);
               tcp0->checksum = ip_csum_fold(sum0);
               if (nat44_set_tcp_session_state_i2o (sm, s0, tcp0, thread_index))
                 goto trace0;
@@ -4122,6 +4128,7 @@ snat_det_in2out_node_fn (vlib_main_t * vm,
               sum0 = ip_csum_update (sum0, old_port0, new_port0,
                                      ip4_header_t /* cheat */,
                                      length /* changed member */);
+              mss_clamping (sm, tcp0, &sum0);
               tcp0->checksum = ip_csum_fold(sum0);
             }
           else
@@ -4272,6 +4279,7 @@ snat_det_in2out_node_fn (vlib_main_t * vm,
               sum1 = ip_csum_update (sum1, old_port1, new_port1,
                                      ip4_header_t /* cheat */,
                                      length /* changed member */);
+              mss_clamping (sm, tcp1, &sum1);
               tcp1->checksum = ip_csum_fold(sum1);
             }
           else
@@ -4458,6 +4466,7 @@ snat_det_in2out_node_fn (vlib_main_t * vm,
               sum0 = ip_csum_update (sum0, old_port0, new_port0,
                                      ip4_header_t /* cheat */,
                                      length /* changed member */);
+              mss_clamping (sm, tcp0, &sum0);
               tcp0->checksum = ip_csum_fold(sum0);
             }
           else
@@ -5354,6 +5363,7 @@ snat_in2out_fast_static_map_fn (vlib_main_t * vm,
                   sum0 = ip_csum_update (sum0, old_port0, new_port0,
                                          ip4_header_t /* cheat */,
                                          length /* changed member */);
+                  mss_clamping (sm, tcp0, &sum0);
                   tcp0->checksum = ip_csum_fold(sum0);
                 }
               else
@@ -5371,6 +5381,7 @@ snat_in2out_fast_static_map_fn (vlib_main_t * vm,
                   sum0 = ip_csum_update (sum0, old_addr0, new_addr0,
                                          ip4_header_t,
                                          dst_address /* changed member */);
+                  mss_clamping (sm, tcp0, &sum0);
                   tcp0->checksum = ip_csum_fold(sum0);
                 }
             }