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-rw-r--r--src/plugins/map/ip4_map.c268
-rw-r--r--src/plugins/map/ip4_map_t.c6
-rw-r--r--src/plugins/map/ip6_map.c8
-rw-r--r--src/plugins/map/ip6_map_t.c6
-rw-r--r--src/plugins/map/test/test_map.py74
5 files changed, 148 insertions, 214 deletions
diff --git a/src/plugins/map/ip4_map.c b/src/plugins/map/ip4_map.c
index ad94907e499..f2a00907a57 100644
--- a/src/plugins/map/ip4_map.c
+++ b/src/plugins/map/ip4_map.c
@@ -26,8 +26,6 @@ enum ip4_map_next_e
#ifdef MAP_SKIP_IP6_LOOKUP
IP4_MAP_NEXT_IP6_REWRITE,
#endif
- IP4_MAP_NEXT_IP4_FRAGMENT,
- IP4_MAP_NEXT_IP6_FRAGMENT,
IP4_MAP_NEXT_ICMP_ERROR,
IP4_MAP_NEXT_DROP,
IP4_MAP_N_NEXT,
@@ -117,17 +115,26 @@ ip4_map_decrement_ttl (ip4_header_t * ip, u8 * error)
}
static u32
-ip4_map_fragment (vlib_buffer_t * b, u16 mtu, bool df, u8 * error)
+ip4_map_fragment (vlib_main_t * vm, u32 bi, u16 mtu, bool df, u32 ** buffers,
+ u8 * error)
{
map_main_t *mm = &map_main;
+ vlib_buffer_t *b = vlib_get_buffer (vm, bi);
if (mm->frag_inner)
{
- // TODO: Fix inner fragmentation after removed inner support from ip-frag.
- ip_frag_set_vnet_buffer (b, /*sizeof (ip6_header_t), */ mtu,
- IP4_FRAG_NEXT_IP6_LOOKUP,
- IP_FRAG_FLAG_IP6_HEADER);
- return (IP4_MAP_NEXT_IP4_FRAGMENT);
+ /* IPv4 fragmented packets inside of IPv6 */
+ ip4_frag_do_fragment (vm, bi, mtu, sizeof (ip6_header_t), buffers);
+
+ /* Fixup */
+ u32 *i;
+ vec_foreach (i, *buffers)
+ {
+ vlib_buffer_t *p = vlib_get_buffer (vm, *i);
+ ip6_header_t *ip6 = vlib_buffer_get_current (p);
+ ip6->payload_length =
+ clib_host_to_net_u16 (p->current_length - sizeof (ip6_header_t));
+ }
}
else
{
@@ -140,10 +147,11 @@ ip4_map_fragment (vlib_buffer_t * b, u16 mtu, bool df, u8 * error)
*error = MAP_ERROR_DF_SET;
return (IP4_MAP_NEXT_ICMP_ERROR);
}
- ip_frag_set_vnet_buffer (b, mtu, IP6_FRAG_NEXT_IP6_LOOKUP,
- IP_FRAG_FLAG_IP6_HEADER);
- return (IP4_MAP_NEXT_IP6_FRAGMENT);
+
+ /* Create IPv6 fragments here */
+ ip6_frag_do_fragment (vm, bi, mtu, 0, buffers);
}
+ return (IP4_MAP_NEXT_IP6_LOOKUP);
}
/*
@@ -165,189 +173,6 @@ ip4_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
while (n_left_from > 0)
{
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- /* Dual loop */
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 pi0, pi1;
- vlib_buffer_t *p0, *p1;
- map_domain_t *d0, *d1;
- u8 error0 = MAP_ERROR_NONE, error1 = MAP_ERROR_NONE;
- ip4_header_t *ip40, *ip41;
- u16 port0 = 0, port1 = 0;
- ip6_header_t *ip6h0, *ip6h1;
- u32 map_domain_index0 = ~0, map_domain_index1 = ~0;
- u32 next0 = IP4_MAP_NEXT_IP6_LOOKUP, next1 =
- IP4_MAP_NEXT_IP6_LOOKUP;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t *p2, *p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, STORE);
- vlib_prefetch_buffer_header (p3, STORE);
- /* IPv4 + 8 = 28. possibly plus -40 */
- CLIB_PREFETCH (p2->data - 40, 68, STORE);
- CLIB_PREFETCH (p3->data - 40, 68, STORE);
- }
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
-
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
- ip40 = vlib_buffer_get_current (p0);
- ip41 = vlib_buffer_get_current (p1);
- d0 =
- ip4_map_get_domain (&ip40->dst_address, &map_domain_index0,
- &error0);
- d1 =
- ip4_map_get_domain (&ip41->dst_address, &map_domain_index1,
- &error1);
-
- /*
- * Shared IPv4 address
- */
- port0 = ip4_map_port_and_security_check (d0, p0, &error0);
- port1 = ip4_map_port_and_security_check (d1, p1, &error1);
-
- /* Decrement IPv4 TTL */
- ip4_map_decrement_ttl (ip40, &error0);
- ip4_map_decrement_ttl (ip41, &error1);
- bool df0 =
- ip40->flags_and_fragment_offset &
- clib_host_to_net_u16 (IP4_HEADER_FLAG_DONT_FRAGMENT);
- bool df1 =
- ip41->flags_and_fragment_offset &
- clib_host_to_net_u16 (IP4_HEADER_FLAG_DONT_FRAGMENT);
-
- /* MAP calc */
- u32 da40 = clib_net_to_host_u32 (ip40->dst_address.as_u32);
- u32 da41 = clib_net_to_host_u32 (ip41->dst_address.as_u32);
- u16 dp40 = clib_net_to_host_u16 (port0);
- u16 dp41 = clib_net_to_host_u16 (port1);
- u64 dal60 = map_get_pfx (d0, da40, dp40);
- u64 dal61 = map_get_pfx (d1, da41, dp41);
- u64 dar60 = map_get_sfx (d0, da40, dp40);
- u64 dar61 = map_get_sfx (d1, da41, dp41);
- if (dal60 == 0 && dar60 == 0 && error0 == MAP_ERROR_NONE)
- error0 = MAP_ERROR_NO_BINDING;
- if (dal61 == 0 && dar61 == 0 && error1 == MAP_ERROR_NONE)
- error1 = MAP_ERROR_NO_BINDING;
-
- /* construct ipv6 header */
- vlib_buffer_advance (p0, -sizeof (ip6_header_t));
- vlib_buffer_advance (p1, -sizeof (ip6_header_t));
- ip6h0 = vlib_buffer_get_current (p0);
- ip6h1 = vlib_buffer_get_current (p1);
- vnet_buffer (p0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
- vnet_buffer (p1)->sw_if_index[VLIB_TX] = (u32) ~ 0;
-
- ip6h0->ip_version_traffic_class_and_flow_label =
- ip4_map_vtcfl (ip40, p0);
- ip6h1->ip_version_traffic_class_and_flow_label =
- ip4_map_vtcfl (ip41, p1);
- ip6h0->payload_length = ip40->length;
- ip6h1->payload_length = ip41->length;
- ip6h0->protocol = IP_PROTOCOL_IP_IN_IP;
- ip6h1->protocol = IP_PROTOCOL_IP_IN_IP;
- ip6h0->hop_limit = 0x40;
- ip6h1->hop_limit = 0x40;
- ip6h0->src_address = d0->ip6_src;
- ip6h1->src_address = d1->ip6_src;
- ip6h0->dst_address.as_u64[0] = clib_host_to_net_u64 (dal60);
- ip6h0->dst_address.as_u64[1] = clib_host_to_net_u64 (dar60);
- ip6h1->dst_address.as_u64[0] = clib_host_to_net_u64 (dal61);
- ip6h1->dst_address.as_u64[1] = clib_host_to_net_u64 (dar61);
-
- /*
- * Determine next node. Can be one of:
- * ip6-lookup, ip6-rewrite, ip4-fragment, error-drop
- */
- if (PREDICT_TRUE (error0 == MAP_ERROR_NONE))
- {
- if (PREDICT_FALSE
- (d0->mtu
- && (clib_net_to_host_u16 (ip6h0->payload_length) +
- sizeof (*ip6h0) > d0->mtu)))
- {
- next0 = ip4_map_fragment (p0, d0->mtu, df0, &error0);
- }
- else
- {
- next0 =
- ip4_map_ip6_lookup_bypass (p0,
- ip40) ?
- IP4_MAP_NEXT_IP6_REWRITE : next0;
- vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX,
- thread_index,
- map_domain_index0, 1,
- clib_net_to_host_u16
- (ip6h0->payload_length) +
- 40);
- }
- }
- else
- {
- next0 = IP4_MAP_NEXT_DROP;
- }
-
- /*
- * Determine next node. Can be one of:
- * ip6-lookup, ip6-rewrite, ip4-fragment, error-drop
- */
- if (PREDICT_TRUE (error1 == MAP_ERROR_NONE))
- {
- if (PREDICT_FALSE
- (d1->mtu
- && (clib_net_to_host_u16 (ip6h1->payload_length) +
- sizeof (*ip6h1) > d1->mtu)))
- {
- next1 = ip4_map_fragment (p1, d1->mtu, df1, &error1);
- }
- else
- {
- next1 =
- ip4_map_ip6_lookup_bypass (p1,
- ip41) ?
- IP4_MAP_NEXT_IP6_REWRITE : next1;
- vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX,
- thread_index,
- map_domain_index1, 1,
- clib_net_to_host_u16
- (ip6h1->payload_length) +
- 40);
- }
- }
- else
- {
- next1 = IP4_MAP_NEXT_DROP;
- }
-
- if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED))
- {
- map_add_trace (vm, node, p0, map_domain_index0, port0);
- }
- if (PREDICT_FALSE (p1->flags & VLIB_BUFFER_IS_TRACED))
- {
- map_add_trace (vm, node, p1, map_domain_index1, port0);
- }
-
- p0->error = error_node->errors[error0];
- p1->error = error_node->errors[error1];
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
- n_left_to_next, pi0, pi1, next0,
- next1);
- }
-
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 pi0;
@@ -359,12 +184,13 @@ ip4_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
ip6_header_t *ip6h0;
u32 next0 = IP4_MAP_NEXT_IP6_LOOKUP;
u32 map_domain_index0 = ~0;
+ u32 *buffer0 = 0;
+ bool free_original_buffer0 = false;
+ u32 *frag_from0, frag_left0;
pi0 = to_next[0] = from[0];
from += 1;
n_left_from -= 1;
- to_next += 1;
- n_left_to_next -= 1;
p0 = vlib_get_buffer (vm, pi0);
ip40 = vlib_buffer_get_current (p0);
@@ -413,7 +239,7 @@ ip4_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
/*
* Determine next node. Can be one of:
- * ip6-lookup, ip6-rewrite, ip4-fragment, error-drop
+ * ip6-lookup, ip6-rewrite, error-drop
*/
if (PREDICT_TRUE (error0 == MAP_ERROR_NONE))
{
@@ -422,7 +248,14 @@ ip4_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
&& (clib_net_to_host_u16 (ip6h0->payload_length) +
sizeof (*ip6h0) > d0->mtu)))
{
- next0 = ip4_map_fragment (p0, d0->mtu, df0, &error0);
+ next0 =
+ ip4_map_fragment (vm, pi0, d0->mtu, df0, &buffer0,
+ &error0);
+
+ if (error0 == MAP_ERROR_NONE)
+ {
+ free_original_buffer0 = true;
+ }
}
else
{
@@ -450,8 +283,41 @@ ip4_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
p0->error = error_node->errors[error0];
exit:
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, pi0, next0);
+ /* Send fragments that were added in the frame */
+ if (free_original_buffer0)
+ {
+ vlib_buffer_free_one (vm, pi0); /* Free original packet */
+ }
+ else
+ {
+ vec_add1 (buffer0, pi0);
+ }
+
+ frag_from0 = buffer0;
+ frag_left0 = vec_len (buffer0);
+
+ while (frag_left0 > 0)
+ {
+ while (frag_left0 > 0 && n_left_to_next > 0)
+ {
+ u32 i0;
+ i0 = to_next[0] = frag_from0[0];
+ frag_from0 += 1;
+ frag_left0 -= 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+
+ vlib_get_buffer (vm, i0)->error =
+ error_node->errors[error0];
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ i0, next0);
+ }
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next,
+ n_left_to_next);
+ }
+ vec_reset_length (buffer0);
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
@@ -491,8 +357,6 @@ VLIB_REGISTER_NODE(ip4_map_node) = {
#ifdef MAP_SKIP_IP6_LOOKUP
[IP4_MAP_NEXT_IP6_REWRITE] = "ip6-load-balance",
#endif
- [IP4_MAP_NEXT_IP4_FRAGMENT] = "ip4-frag",
- [IP4_MAP_NEXT_IP6_FRAGMENT] = "ip6-frag",
[IP4_MAP_NEXT_ICMP_ERROR] = "ip4-icmp-error",
[IP4_MAP_NEXT_DROP] = "error-drop",
},
diff --git a/src/plugins/map/ip4_map_t.c b/src/plugins/map/ip4_map_t.c
index 621fb0615dc..c254efc78b9 100644
--- a/src/plugins/map/ip4_map_t.c
+++ b/src/plugins/map/ip4_map_t.c
@@ -168,7 +168,7 @@ ip4_map_t_icmp (vlib_main_t * vm,
if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
{
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
- vnet_buffer (p0)->ip_frag.next_index = IP6_FRAG_NEXT_IP6_LOOKUP;
+ vnet_buffer (p0)->ip_frag.next_index = IP_FRAG_NEXT_IP6_LOOKUP;
next0 = IP4_MAPT_ICMP_NEXT_IP6_FRAG;
}
err0:
@@ -287,7 +287,7 @@ ip4_map_t_fragmented (vlib_main_t * vm,
{
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
vnet_buffer (p0)->ip_frag.next_index =
- IP6_FRAG_NEXT_IP6_LOOKUP;
+ IP_FRAG_NEXT_IP6_LOOKUP;
next0 = IP4_MAPT_FRAGMENTED_NEXT_IP6_FRAG;
}
}
@@ -453,7 +453,7 @@ ip4_map_t_tcp_udp (vlib_main_t * vm,
//Send to fragmentation node if necessary
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
vnet_buffer (p0)->ip_frag.next_index =
- IP6_FRAG_NEXT_IP6_LOOKUP;
+ IP_FRAG_NEXT_IP6_LOOKUP;
next0 = IP4_MAPT_TCP_UDP_NEXT_IP6_FRAG;
}
}
diff --git a/src/plugins/map/ip6_map.c b/src/plugins/map/ip6_map.c
index 96f81efc1cb..47958f92a38 100644
--- a/src/plugins/map/ip6_map.c
+++ b/src/plugins/map/ip6_map.c
@@ -314,7 +314,7 @@ ip6_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
vnet_buffer (p0)->ip_frag.flags = 0;
vnet_buffer (p0)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
+ IP_FRAG_NEXT_IP4_LOOKUP;
vnet_buffer (p0)->ip_frag.mtu = d0->mtu;
next0 = IP6_MAP_NEXT_IP4_FRAGMENT;
}
@@ -346,7 +346,7 @@ ip6_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
vnet_buffer (p1)->ip_frag.flags = 0;
vnet_buffer (p1)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
+ IP_FRAG_NEXT_IP4_LOOKUP;
vnet_buffer (p1)->ip_frag.mtu = d1->mtu;
next1 = IP6_MAP_NEXT_IP4_FRAGMENT;
}
@@ -497,7 +497,7 @@ ip6_map (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
vnet_buffer (p0)->ip_frag.flags = 0;
vnet_buffer (p0)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
+ IP_FRAG_NEXT_IP4_LOOKUP;
vnet_buffer (p0)->ip_frag.mtu = d0->mtu;
next0 = IP6_MAP_NEXT_IP4_FRAGMENT;
}
@@ -622,7 +622,7 @@ ip6_map_post_ip4_reass (vlib_main_t * vm,
&& error0 == MAP_ERROR_NONE))
{
vnet_buffer (p0)->ip_frag.flags = 0;
- vnet_buffer (p0)->ip_frag.next_index = IP4_FRAG_NEXT_IP4_LOOKUP;
+ vnet_buffer (p0)->ip_frag.next_index = IP_FRAG_NEXT_IP4_LOOKUP;
vnet_buffer (p0)->ip_frag.mtu = d0->mtu;
next0 = IP6_MAP_POST_IP4_REASS_NEXT_IP4_FRAGMENT;
}
diff --git a/src/plugins/map/ip6_map_t.c b/src/plugins/map/ip6_map_t.c
index 6e9c0d7640c..ef7b91349e5 100644
--- a/src/plugins/map/ip6_map_t.c
+++ b/src/plugins/map/ip6_map_t.c
@@ -169,7 +169,7 @@ ip6_map_t_icmp (vlib_main_t * vm,
{
// Send to fragmentation node if necessary
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
- vnet_buffer (p0)->ip_frag.next_index = IP4_FRAG_NEXT_IP4_LOOKUP;
+ vnet_buffer (p0)->ip_frag.next_index = IP_FRAG_NEXT_IP4_LOOKUP;
next0 = IP6_MAPT_ICMP_NEXT_IP4_FRAG;
}
err0:
@@ -288,7 +288,7 @@ ip6_map_t_fragmented (vlib_main_t * vm,
// Send to fragmentation node if necessary
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
vnet_buffer (p0)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
+ IP_FRAG_NEXT_IP4_LOOKUP;
next0 = IP6_MAPT_FRAGMENTED_NEXT_IP4_FRAG;
}
}
@@ -441,7 +441,7 @@ ip6_map_t_tcp_udp (vlib_main_t * vm,
// Send to fragmentation node if necessary
vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
vnet_buffer (p0)->ip_frag.next_index =
- IP4_FRAG_NEXT_IP4_LOOKUP;
+ IP_FRAG_NEXT_IP4_LOOKUP;
next0 = IP6_MAPT_TCP_UDP_NEXT_IP4_FRAG;
}
}
diff --git a/src/plugins/map/test/test_map.py b/src/plugins/map/test/test_map.py
index a7e5f165576..c1fe05e1150 100644
--- a/src/plugins/map/test/test_map.py
+++ b/src/plugins/map/test/test_map.py
@@ -140,7 +140,7 @@ class TestMAP(VppTestCase):
IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
UDP(sport=20000, dport=10000) /
Raw(b'\xa5' * 100))
- rx = self.send_and_expect(self.pg0, v4*1, self.pg0)
+ rx = self.send_and_expect(self.pg0, v4 * 4, self.pg0)
v4_reply = v4[1]
v4_reply.ttl -= 1
for p in rx:
@@ -154,7 +154,7 @@ class TestMAP(VppTestCase):
UDP(sport=20000, dport=10000) /
Raw(b'\xa5' * 100))
- self.send_and_assert_encapped_one(v4, "3000::1", map_translated_addr)
+ self.send_and_assert_encapped(v4 * 4, "3000::1", map_translated_addr)
#
# Verify reordered fragments are able to pass as well
@@ -294,6 +294,76 @@ class TestMAP(VppTestCase):
pre_res_route.remove_vpp_config()
self.vapi.ppcli("map params pre-resolve del ip6-nh 4001::1")
+ def test_map_e_inner_frag(self):
+ """ MAP-E Inner fragmentation """
+
+ #
+ # Add a route to the MAP-BR
+ #
+ map_br_pfx = "2001::"
+ map_br_pfx_len = 32
+ map_route = VppIpRoute(self,
+ map_br_pfx,
+ map_br_pfx_len,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ map_route.add_vpp_config()
+
+ #
+ # Add a domain that maps from pg0 to pg1
+ #
+ map_dst = '2001::/32'
+ map_src = '3000::1/128'
+ client_pfx = '192.168.0.0/16'
+ map_translated_addr = '2001:0:101:7000:0:c0a8:101:7'
+ tag = 'MAP-E tag.'
+ self.vapi.map_add_domain(ip4_prefix=client_pfx,
+ ip6_prefix=map_dst,
+ ip6_src=map_src,
+ ea_bits_len=20,
+ psid_offset=4,
+ psid_length=4,
+ mtu=1000,
+ tag=tag)
+
+ # Enable MAP on interface.
+ self.vapi.map_if_enable_disable(is_enable=1,
+ sw_if_index=self.pg0.sw_if_index,
+ is_translation=0)
+
+ # Enable inner fragmentation
+ self.vapi.map_param_set_fragmentation(inner=1)
+
+ v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='192.168.1.1') /
+ UDP(sport=20000, dport=10000) /
+ Raw(b'\xa5' * 1300))
+
+ self.pg_send(self.pg0, v4*1)
+ rx = self.pg1.get_capture(2)
+
+ frags = fragment_rfc791(v4[1], 1000)
+ frags[0].id = 0
+ frags[1].id = 0
+ frags[0].ttl -= 1
+ frags[1].ttl -= 1
+ frags[0].chksum = 0
+ frags[1].chksum = 0
+
+ v6_reply1 = (IPv6(src='3000::1', dst=map_translated_addr, hlim=63) /
+ frags[0])
+ v6_reply2 = (IPv6(src='3000::1', dst=map_translated_addr, hlim=63) /
+ frags[1])
+ rx[0][1].fl = 0
+ rx[1][1].fl = 0
+ rx[0][1][IP].id = 0
+ rx[1][1][IP].id = 0
+ rx[0][1][IP].chksum = 0
+ rx[1][1][IP].chksum = 0
+
+ self.validate(rx[0][1], v6_reply1)
+ self.validate(rx[1][1], v6_reply2)
+
def validate(self, rx, expected):
self.assertEqual(rx, expected.__class__(scapy.compat.raw(expected)))