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https://github.com/RIOT-OS/RIOT.git
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1795 lines
78 KiB
C
1795 lines
78 KiB
C
/*
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* Copyright (C) 2019 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Tests 6LoWPAN minimal forwarding
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*
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* @author Martine Lenders <m.lenders@fu-berlin.de>
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*
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* @}
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*/
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#include <errno.h>
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#include <stdio.h>
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#include "cib.h"
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#include "common.h"
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#include "embUnit.h"
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#include "embUnit/embUnit.h"
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#include "mutex.h"
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#include "net/ipv6.h"
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#include "net/gnrc.h"
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#include "net/gnrc/ipv6/nib.h"
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#include "net/gnrc/ipv6/nib/nc.h"
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#include "net/gnrc/ipv6/nib/ft.h"
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#include "net/gnrc/sixlowpan/frag.h"
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#include "net/gnrc/sixlowpan/frag/rb.h"
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#include "net/gnrc/sixlowpan/frag/minfwd.h"
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#include "net/gnrc/sixlowpan/iphc.h"
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#include "net/netdev_test.h"
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/* for debugging _target_buf */
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#include "od.h"
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#include "utlist.h"
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#include "xtimer.h"
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#define SEND_PACKET_TIMEOUT (500U)
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#define LOC_L2 { _LL0, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 }
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#define LOC_LL { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 \
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}
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#define LOC_GB { 0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e, \
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 \
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}
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#define REM_L2 { _LL0, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1 }
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#define REM_LL { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1 \
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}
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#define REM_GB { 0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e, \
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1 \
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}
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#define LOC_GB_PFX_LEN (64U)
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#define REM_GB_PFX_LEN (64U)
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#define TEST_1ST_FRAG_UNCOMP_SIZE (80U)
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#define TEST_1ST_FRAG_UNCOMP_PAYLOAD_POS (4U)
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#define TEST_1ST_FRAG_UNCOMP_IPV6_HDR_POS (5U)
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#define TEST_1ST_FRAG_UNCOMP_IPV6_PAYLOAD_SIZE (40U)
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#define TEST_1ST_FRAG_UNCOMP_IPV6_PAYLOAD_POS (45U)
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#define TEST_1ST_FRAG_UNCOMP_UDP_PAYLOAD_SIZE (32U)
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#define TEST_1ST_FRAG_UNCOMP_UDP_PAYLOAD_POS (53U)
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#define TEST_1ST_FRAG_COMP_FRAG_SIZE (80U)
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#define TEST_1ST_FRAG_COMP_ONLY_IPHC_FRAG_SIZE (48U)
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#define TEST_1ST_FRAG_COMP_SIZE (38U)
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#define TEST_1ST_FRAG_COMP_PAYLOAD_POS (4U)
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#define TEST_1ST_FRAG_COMP_EXP_OFFSET (6U)
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#define TEST_1ST_FRAG_COMP_PREV_HOP_UDP_PAYLOAD_POS (43U)
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#define TEST_NTH_FRAG_SIZE (32U)
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#define TEST_NTH_FRAG_OFFSET_POS (4U)
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#define TEST_NTH_FRAG_PAYLOAD_POS (5U)
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#define TEST_SEND_DATAGRAM_SIZE (148U)
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#define TEST_SEND_DATAGRAM_TAG (0x22ddU)
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#define TEST_SEND_LL_PAYLOAD_POS (4U)
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#define TEST_SEND_LL_PAYLOAD_SIZE (7U)
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#define TEST_SEND_FRAG1_PAYLOAD_POS (4U)
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#define TEST_SEND_FRAG1_PAYLOAD_SIZE (35U)
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#define TEST_SEND_FRAG1_SIZE (40U)
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#define TEST_SEND_FRAG2_OFFSET_POS (4U)
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#define TEST_SEND_FRAG2_OFFSET (5U)
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#define TEST_SEND_FRAG2_PAYLOAD_POS (5U)
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#define TEST_SEND_FRAG2_PAYLOAD_SIZE (96U)
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#define TEST_SEND_FRAG3_OFFSET_POS (4U)
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#define TEST_SEND_FRAG3_OFFSET (17U)
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#define TEST_SEND_FRAG3_PAYLOAD_POS (5U)
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#define TEST_SEND_FRAG3_PAYLOAD_SIZE (12U)
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enum {
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FIRST_FRAGMENT = 0,
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FIRST_FRAGMENT_REST,
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NTH_FRAGMENT
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};
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static const uint8_t _test_1st_frag_uncomp[] = {
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0xc4, 0xd0, /* 1st fragment | datagram size: 1232 */
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0x67, 0x9d, /* tag: 0x679d */
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0x41, /* uncompressed IPv6 */
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/* IPv6 header: payload length = 1192,
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* next header = UDP (17), hop limit = 65 */
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0x60, 0x00, 0x00, 0x00, 0x04, 0xa8, 0x11, 0x41,
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/* Source: 2001:db8:d6c3:acf:dc71:2b85:82f:75fb */
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0x20, 0x01, 0x0d, 0xb8, 0xd6, 0xc3, 0x0a, 0xcf,
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0xdc, 0x71, 0x2b, 0x85, 0x08, 0x2f, 0x75, 0xfb,
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/* Destination: REM_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1,
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/* UDP source: 0xf0b4, UDP destination: 0xf0ba,
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* length: 1192, (random) checksum: 0x47b8 */
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0xf0, 0xb4, 0xf0, 0xba, 0x04, 0xa8, 0x47, 0xb8,
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/* (random) payload of length 32 */
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0xba, 0xb3, 0x6e, 0x4f, 0xd8, 0x23, 0x40, 0xf3,
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0xfb, 0xb9, 0x05, 0xbf, 0xbe, 0x19, 0xf6, 0xa2,
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0xc7, 0x6e, 0x09, 0xf9, 0xba, 0x70, 0x3a, 0x38,
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0xd5, 0x2f, 0x08, 0x85, 0xb8, 0xc1, 0x1a, 0x31,
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};
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static const uint8_t _test_1st_frag_comp[] = {
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0xc4, 0xd0, /* 1st fragment | datagram size: 1232 */
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0x67, 0x9d, /* tag: 0x679d */
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/* IPHC: TF: 0b11, NH: 0b1 (NHC), HLIM: 0b10 (64), CID: 0b0,
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* Source: uncompressed (SAC: 0b0, SAM: 0b00),
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* Destination: uncompressed (M:0, DAC: 0b0, DAM: 0b00) */
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0x7e, 0x00,
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/* (uncompressed) Source: 2001:db8:d6c3:acf:dc71:2b85:82f:75fb */
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0x20, 0x01, 0x0d, 0xb8, 0xd6, 0xc3, 0x0a, 0xcf,
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0xdc, 0x71, 0x2b, 0x85, 0x08, 0x2f, 0x75, 0xfb,
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/* (uncompressed) Destination: REM_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1,
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/* NHC UDP: ports: 0b11 (12 bytes elided), (random) Checksum inline */
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0xf3, 0x4a, 0x47, 0xb8,
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};
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static const uint8_t _test_1st_frag_comp_prev_hop[] = {
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0xc4, 0xd0, /* 1st fragment | datagram size: 1232 */
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0x67, 0x9d, /* tag: 0x679d */
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/* IPHC: TF: 0b11, NH: 0b1 (NHC), HLIM: 0b00 (inline), CID: 0b0,
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* Source: uncompressed (SAC: 0b0, SAM: 0b00),
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* Destination: uncompressed (M:0, DAC: 0b0, DAM: 0b00) */
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0x7c, 0x00,
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/* Hop Limit: 65 */
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0x41,
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/* (uncompressed) Source: 2001:db8:d6c3:acf:dc71:2b85:82f:75fb */
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0x20, 0x01, 0x0d, 0xb8, 0xd6, 0xc3, 0x0a, 0xcf,
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0xdc, 0x71, 0x2b, 0x85, 0x08, 0x2f, 0x75, 0xfb,
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/* (uncompressed) Destination: REM_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1,
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/* NHC UDP: ports: 0b11 (12 bytes elided), (random) Checksum inline */
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0xf3, 0x4a, 0x47, 0xb8,
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/* (random) payload of length 32 */
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0xba, 0xb3, 0x6e, 0x4f, 0xd8, 0x23, 0x40, 0xf3,
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0xfb, 0xb9, 0x05, 0xbf, 0xbe, 0x19, 0xf6, 0xa2,
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0xc7, 0x6e, 0x09, 0xf9, 0xba, 0x70, 0x3a, 0x38,
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0xd5, 0x2f, 0x08, 0x85, 0xb8, 0xc1, 0x1a, 0x31,
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};
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static const uint8_t _test_nth_frag[] = {
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0xe4, 0xd0, /* n-th fragment | datagram size: 1232 */
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0x67, 0x9d, /* tag: 0x679d */
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0x96, /* offset: 1200 (divided by 8) */
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/* payload of length 32 */
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0x54, 0x26, 0x63, 0xab, 0x31, 0x0b, 0xa4, 0x4e,
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0x6e, 0xa9, 0x09, 0x02, 0x15, 0xbb, 0x24, 0xa9,
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0x56, 0x44, 0x4a, 0x84, 0xd1, 0x83, 0xb9, 0xdb,
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0x0e, 0x0d, 0xd6, 0x6a, 0x83, 0x31, 0x1d, 0x94,
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};
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static const uint8_t _test_send_ipv6[] = {
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/* IPv6 header: payload length = 108,
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* next header = ICMPv6 (58), hop limit = 64 */
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0x60, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x3a, 0x40,
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/* Source: LOC_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7,
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/* Destination: REM_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1,
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};
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static const uint8_t _test_send_icmpv6[] = {
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/* ICMPv6 Echo request (128), Code 0, (Random) checksum: 0x7269,
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* random identifier: 0x59be, random sequence number: 15804 */
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0x80, 0x00, 0x72, 0x69, 0x59, 0xbe, 0x3d, 0xbc,
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/* random payload */
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0x49, 0x19, 0xe8, 0x0b, 0x25, 0xbb, 0x00, 0x13,
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0x45, 0x85, 0xbd, 0x4a, 0xbb, 0xf1, 0x3d, 0xe3,
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0x36, 0xff, 0x52, 0xea, 0xe8, 0xec, 0xec, 0x82,
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0x94, 0x5f, 0xa4, 0x30, 0x1f, 0x46, 0x28, 0xc7,
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0x41, 0xff, 0x50, 0x84, 0x00, 0x41, 0xc7, 0x8d,
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0xb0, 0xdc, 0x18, 0xff, 0xcd, 0xfa, 0xa7, 0x72,
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0x4b, 0xcf, 0x7c, 0xf7, 0x7c, 0x8b, 0x65, 0x78,
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0xb0, 0xa8, 0xe7, 0x8f, 0xbc, 0x1e, 0xba, 0x4a,
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0x92, 0x13, 0x81, 0x5e, 0x23, 0xd1, 0xde, 0x09,
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0x84, 0x8a, 0xd0, 0xe2, 0xdd, 0x01, 0xc8, 0xd7,
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0x08, 0x4c, 0xd8, 0xc2, 0x21, 0x5c, 0x21, 0xb9,
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0x43, 0xea, 0x52, 0xbd, 0x6a, 0x9a, 0xac, 0x48,
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0x94, 0x98, 0xd1, 0x95
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};
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static const uint8_t _test_send_ll[] = {
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0xc0, 0x94, /* 1st fragment | datagram size: TEST_SEND_DATAGRAM_SIZE */
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0x22, 0xdd, /* tag: TEST_SEND_DATAGRAM_TAG */
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/* IPHC: TF: 0b11, NH: 0b0 (inline), HLIM: 0b10 (64), CID: 0b0,
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* Source: uncompressed (SAC: 0b0, SAM: 0b11),
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* Destination: uncompressed (M:0, DAC: 0b0, DAM: 0b11) */
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0x7a, 0x33,
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/* Next header: ICMPv6 (58) */
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0x3a,
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};
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static const uint8_t _test_send_frag1_prev_hop[] = {
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0xc0, 0x94, /* 1st fragment | datagram size: TEST_SEND_DATAGRAM_SIZE */
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0x67, 0x9d, /* tag: 0x679d */
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/* IPHC: TF: 0b11, NH: 0b0 (inline), HLIM: 0b00 (inline), CID: 0b0,
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* Source: uncompressed (SAC: 0b0, SAM: 0b00),
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* Destination: uncompressed (M:0, DAC: 0b0, DAM: 0b00) */
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0x78, 0x00,
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/* Next header: ICMPv6 (58), Hop Limit: 65 */
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0x3a, 0x41,
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/* (uncompressed) Source: LOC_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7,
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/* (uncompressed) Destination: REM_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1,
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};
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static const uint8_t _test_send_frag1[] = {
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0xc0, 0x94, /* 1st fragment | datagram size: TEST_SEND_DATAGRAM_SIZE */
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0x22, 0xdd, /* tag: TEST_SEND_DATAGRAM_TAG */
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/* IPHC: TF: 0b11, NH: 0b0 (inline), HLIM: 0b10 (64), CID: 0b0,
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* Source: uncompressed (SAC: 0b0, SAM: 0b00),
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* Destination: uncompressed (M:0, DAC: 0b0, DAM: 0b00) */
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0x7a, 0x00,
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/* Next header: ICMPv6 (58) */
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0x3a,
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/* (uncompressed) Source: LOC_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7,
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/* (uncompressed) Destination: REM_GB */
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0x20, 0x01, 0x0d, 0xb8, 0xd3, 0x35, 0x91, 0x7e,
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_LL0 ^ 0x2, _LL1, _LL2, _LL3, _LL4, _LL5, _LL6, _LL7 + 1,
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};
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static const uint8_t _test_send_frag2[] = {
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0xe0, 0x94, /* nth fragment | datagram size: TEST_SEND_DATAGRAM_SIZE */
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0x22, 0xdd, /* tag: TEST_SEND_DATAGRAM_TAG */
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0x05, /* offset: 40 (divided by 8) */
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0x80, 0x00, 0x72, 0x69, 0x59, 0xbe, 0x3d, 0xbc,
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0x49, 0x19, 0xe8, 0x0b, 0x25, 0xbb, 0x00, 0x13,
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0x45, 0x85, 0xbd, 0x4a, 0xbb, 0xf1, 0x3d, 0xe3,
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0x36, 0xff, 0x52, 0xea, 0xe8, 0xec, 0xec, 0x82,
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0x94, 0x5f, 0xa4, 0x30, 0x1f, 0x46, 0x28, 0xc7,
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0x41, 0xff, 0x50, 0x84, 0x00, 0x41, 0xc7, 0x8d,
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0xb0, 0xdc, 0x18, 0xff, 0xcd, 0xfa, 0xa7, 0x72,
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0x4b, 0xcf, 0x7c, 0xf7, 0x7c, 0x8b, 0x65, 0x78,
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0xb0, 0xa8, 0xe7, 0x8f, 0xbc, 0x1e, 0xba, 0x4a,
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0x92, 0x13, 0x81, 0x5e, 0x23, 0xd1, 0xde, 0x09,
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0x84, 0x8a, 0xd0, 0xe2, 0xdd, 0x01, 0xc8, 0xd7,
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0x08, 0x4c, 0xd8, 0xc2, 0x21, 0x5c, 0x21, 0xb9,
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};
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static const uint8_t _test_send_frag3[] = {
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0xe0, 0x94, /* nth fragment | datagram size: TEST_ASSERT_EQUAL_INT */
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0x22, 0xdd, /* tag: TEST_SEND_DATAGRAM_TAG */
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0x11, /* offset: 136 (divided by 8) */
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0x43, 0xea, 0x52, 0xbd, 0x6a, 0x9a, 0xac, 0x48,
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0x94, 0x98, 0xd1, 0x95
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};
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static const ipv6_addr_t _rem_ll = { .u8 = REM_LL };
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static const ipv6_addr_t _rem_gb = { .u8 = REM_GB };
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static const uint8_t _rem_l2[] = REM_L2;
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static const gnrc_sixlowpan_frag_rb_base_t _vrbe_base = {
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.src = { 0xde, 0x71, 0x2b, 0x85, 0x08, 0x2f, 0x75, 0xfb },
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.src_len = IEEE802154_LONG_ADDRESS_LEN,
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.dst = LOC_L2,
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.dst_len = IEEE802154_LONG_ADDRESS_LEN,
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.tag = 0x679d,
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.datagram_size = 1232U,
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.current_size = 0U,
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};
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static uint8_t _target_buf[128U];
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static uint8_t _target_buf_len;
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/* to protect _target_buf and _target_buf_len */
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/* to wait for new data in _target_buf */
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static mutex_t _target_buf_filled = MUTEX_INIT_LOCKED;
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static mutex_t _target_buf_barrier = MUTEX_INIT;
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static gnrc_pktsnip_t *_create_ipv6_hdr(const ipv6_hdr_t *hdr);
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static gnrc_pktsnip_t *_create_recv_frag(const void *frag_data,
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size_t frag_size);
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static int _set_route_and_nce(const ipv6_addr_t *route, unsigned pfx_len);
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static gnrc_pktsnip_t *_create_send_datagram(bool compressed, bool payload);
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static size_t _wait_for_packet(size_t exp_size);
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static void _check_vrbe_values(gnrc_sixlowpan_frag_vrb_t *vrbe,
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size_t mhr_len, int frag_type);
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static void _check_1st_frag_uncomp(size_t mhr_len, uint8_t exp_hl_diff);
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static void _check_send_frag1(size_t mhr_len, bool check_tag);
|
|
static void _check_send_frag2(size_t mhr_len, bool check_tag);
|
|
static void _check_send_frag3(size_t mhr_len, bool check_tag);
|
|
static const gnrc_sixlowpan_frag_rb_t *_first_non_empty_rbuf(void);
|
|
static int _mock_netdev_send(netdev_t *dev, const iolist_t *iolist);
|
|
|
|
static void _set_up(void)
|
|
{
|
|
/* reset data-structures */
|
|
gnrc_sixlowpan_frag_rb_reset();
|
|
gnrc_sixlowpan_frag_vrb_reset();
|
|
gnrc_pktbuf_init();
|
|
memset(_mock_netif->ipv6.addrs, 0, sizeof(_mock_netif->ipv6.addrs));
|
|
memset(_mock_netif->ipv6.addrs_flags, 0,
|
|
sizeof(_mock_netif->ipv6.addrs_flags));
|
|
gnrc_ipv6_nib_init();
|
|
gnrc_ipv6_nib_init_iface(_mock_netif);
|
|
/* re-init for syncing */
|
|
mutex_init(&_target_buf_filled);
|
|
mutex_lock(&_target_buf_filled);
|
|
mutex_init(&_target_buf_barrier);
|
|
}
|
|
|
|
static void _tear_down(void)
|
|
{
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test, NULL);
|
|
mutex_unlock(&_target_buf_barrier);
|
|
/* wait in case mutex in _mock_netdev_send was already entered */
|
|
mutex_lock(&_target_buf_barrier);
|
|
memset(_target_buf, 0, sizeof(_target_buf));
|
|
_target_buf_len = 0;
|
|
mutex_unlock(&_target_buf_barrier);
|
|
}
|
|
|
|
static void test_minfwd_vrbe_from_route__success__given_netif(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
static gnrc_pktsnip_t *ipv6_snip;
|
|
static const ipv6_hdr_t ipv6_hdr = {
|
|
.dst = { .u8 = REM_GB }
|
|
};
|
|
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&ipv6_hdr.dst, REM_GB_PFX_LEN));
|
|
TEST_ASSERT_NOT_NULL((ipv6_snip = _create_ipv6_hdr(&ipv6_hdr)));
|
|
TEST_ASSERT_NOT_NULL((vrbe = gnrc_sixlowpan_frag_vrb_from_route(
|
|
&_vrbe_base, _mock_netif, ipv6_snip)));
|
|
gnrc_pktbuf_release(ipv6_snip);
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.current_size, vrbe->super.current_size);
|
|
TEST_ASSERT(_mock_netif == vrbe->out_netif);
|
|
TEST_ASSERT_EQUAL_INT(sizeof(_rem_l2), vrbe->super.dst_len);
|
|
TEST_ASSERT_MESSAGE(memcmp(_rem_l2, vrbe->super.dst, sizeof(_rem_l2)) == 0,
|
|
"_rem_l2 != vrbe->super.dst");
|
|
}
|
|
|
|
static void test_minfwd_vrbe_from_route__success__no_netif(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
static gnrc_pktsnip_t *ipv6_snip;
|
|
static const ipv6_hdr_t ipv6_hdr = {
|
|
.dst = { .u8 = REM_GB }
|
|
};
|
|
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&ipv6_hdr.dst, REM_GB_PFX_LEN));
|
|
TEST_ASSERT_NOT_NULL((ipv6_snip = _create_ipv6_hdr(&ipv6_hdr)));
|
|
TEST_ASSERT_NOT_NULL((vrbe = gnrc_sixlowpan_frag_vrb_from_route(
|
|
&_vrbe_base, NULL, ipv6_snip)));
|
|
gnrc_pktbuf_release(ipv6_snip);
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.current_size, vrbe->super.current_size);
|
|
TEST_ASSERT(_mock_netif == vrbe->out_netif);
|
|
TEST_ASSERT_EQUAL_INT(sizeof(_rem_l2), vrbe->super.dst_len);
|
|
TEST_ASSERT_MESSAGE(memcmp(_rem_l2, vrbe->super.dst, sizeof(_rem_l2)) == 0,
|
|
"_rem_l2 != vrbe->super.dst");
|
|
}
|
|
|
|
static void test_minfwd_vrbe_from_route__no_route1(void)
|
|
{
|
|
static gnrc_pktsnip_t *ipv6_snip;
|
|
static const ipv6_hdr_t ipv6_hdr = {
|
|
.dst = { .u8 = REM_GB }
|
|
};
|
|
|
|
TEST_ASSERT_NOT_NULL((ipv6_snip = _create_ipv6_hdr(&ipv6_hdr)));
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_from_route(
|
|
&_vrbe_base, NULL, ipv6_snip));
|
|
gnrc_pktbuf_release(ipv6_snip);
|
|
}
|
|
|
|
static void test_minfwd_vrbe_from_route__no_route2(void)
|
|
{
|
|
static gnrc_pktsnip_t *snip;
|
|
/* fantasy header */
|
|
static const uint8_t hdr[] = {
|
|
0x40, 0xa9, 0xf4, 0xde, 0x6c, 0x87, 0x50, 0x9a, 0x54, 0x1f,
|
|
0x79, 0xde, 0x6e, 0xd2, 0xb0, 0x82, 0x5c, 0x16, 0xdc, 0xd7
|
|
};
|
|
|
|
TEST_ASSERT_NOT_NULL((snip = gnrc_pktbuf_add(NULL, hdr, sizeof(hdr),
|
|
GNRC_NETTYPE_TEST)));
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_from_route(&_vrbe_base, NULL, snip));
|
|
gnrc_pktbuf_release(snip);
|
|
}
|
|
|
|
static void test_minfwd_vrbe_from_route__local_addr(void)
|
|
{
|
|
static gnrc_pktsnip_t *ipv6_snip;
|
|
static ipv6_hdr_t ipv6_hdr = {
|
|
.dst = { .u8 = LOC_GB }
|
|
};
|
|
|
|
/* add address to interface */
|
|
TEST_ASSERT_EQUAL_INT(
|
|
sizeof(ipv6_addr_t),
|
|
gnrc_netif_ipv6_addr_add(_mock_netif, &ipv6_hdr.dst,
|
|
LOC_GB_PFX_LEN,
|
|
GNRC_NETIF_IPV6_ADDRS_FLAGS_STATE_VALID)
|
|
);
|
|
TEST_ASSERT_NOT_NULL((ipv6_snip = _create_ipv6_hdr(&ipv6_hdr)));
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_from_route(
|
|
&_vrbe_base, NULL, ipv6_snip));
|
|
gnrc_pktbuf_release(ipv6_snip);
|
|
}
|
|
|
|
static void test_minfwd_vrbe_from_route__vrb_full(void)
|
|
{
|
|
static gnrc_pktsnip_t *ipv6_snip;
|
|
static ipv6_hdr_t ipv6_hdr = {
|
|
.dst = { .u8 = REM_GB }
|
|
};
|
|
gnrc_sixlowpan_frag_rb_base_t base = _vrbe_base;
|
|
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&ipv6_hdr.dst, REM_GB_PFX_LEN));
|
|
/* fill up VRB */
|
|
for (unsigned i = 0; i < CONFIG_GNRC_SIXLOWPAN_FRAG_VRB_SIZE; i++) {
|
|
base.arrival = xtimer_now_usec();
|
|
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_add(&base,
|
|
_mock_netif,
|
|
_rem_l2,
|
|
sizeof(_rem_l2)));
|
|
base.tag++;
|
|
}
|
|
TEST_ASSERT_NOT_NULL((ipv6_snip = _create_ipv6_hdr(&ipv6_hdr)));
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_from_route(
|
|
&base, NULL, ipv6_snip));
|
|
gnrc_pktbuf_release(ipv6_snip);
|
|
}
|
|
|
|
static void test_minfwd_forward__success__1st_frag_sixlo(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe = gnrc_sixlowpan_frag_vrb_add(
|
|
&_vrbe_base, _mock_netif, _rem_l2, sizeof(_rem_l2)
|
|
);
|
|
gnrc_pktsnip_t *pkt, *frag;
|
|
size_t mhr_len;
|
|
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
TEST_ASSERT_NOT_NULL((pkt = gnrc_pktbuf_add(NULL, _test_1st_frag_uncomp,
|
|
sizeof(_test_1st_frag_uncomp),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
/* separate fragment header from payload */
|
|
TEST_ASSERT_NOT_NULL((frag = gnrc_pktbuf_mark(pkt, sizeof(sixlowpan_frag_t),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
LL_DELETE(pkt, frag);
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(0, gnrc_sixlowpan_frag_minfwd_forward(pkt,
|
|
frag->data,
|
|
vrbe,
|
|
0));
|
|
gnrc_pktbuf_release(frag); /* delete separated fragment header */
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_1st_frag_uncomp))));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
_check_vrbe_values(vrbe, mhr_len, FIRST_FRAGMENT);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
_check_1st_frag_uncomp(mhr_len, 0U);
|
|
/* VRB entry should not have been removed */
|
|
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_get(_vrbe_base.src,
|
|
_vrbe_base.src_len,
|
|
_vrbe_base.tag));
|
|
}
|
|
|
|
static void test_minfwd_forward__success__1st_frag_iphc(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe = gnrc_sixlowpan_frag_vrb_add(
|
|
&_vrbe_base, _mock_netif, _rem_l2, sizeof(_rem_l2)
|
|
);
|
|
gnrc_pktsnip_t *pkt, *frag;
|
|
size_t mhr_len;
|
|
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
TEST_ASSERT_NOT_NULL((pkt = gnrc_pktbuf_add(NULL, _test_1st_frag_comp,
|
|
sizeof(_test_1st_frag_comp),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
/* separate fragment header from payload */
|
|
TEST_ASSERT_NOT_NULL((frag = gnrc_pktbuf_mark(pkt, sizeof(sixlowpan_frag_t),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
LL_DELETE(pkt, frag);
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(0, gnrc_sixlowpan_frag_minfwd_forward(pkt,
|
|
frag->data,
|
|
vrbe,
|
|
0));
|
|
gnrc_pktbuf_release(frag); /* delete separated fragment header */
|
|
/* first wait and check IPHC part (we put some slack in the first fragment) */
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_1st_frag_comp))));
|
|
_check_vrbe_values(vrbe, mhr_len, FIRST_FRAGMENT);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_1st_frag_comp[TEST_1ST_FRAG_COMP_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(sixlowpan_frag_t)],
|
|
sizeof(_test_1st_frag_comp) - sizeof(sixlowpan_frag_t)) == 0,
|
|
"unexpected IPHC header"
|
|
);
|
|
/* VRB entry should not have been removed */
|
|
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_get(_vrbe_base.src,
|
|
_vrbe_base.src_len,
|
|
_vrbe_base.tag));
|
|
}
|
|
|
|
static void test_minfwd_forward__success__nth_frag_incomplete(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe = gnrc_sixlowpan_frag_vrb_add(
|
|
&_vrbe_base, _mock_netif, _rem_l2, sizeof(_rem_l2)
|
|
);
|
|
gnrc_pktsnip_t *pkt, *frag;
|
|
size_t mhr_len;
|
|
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
TEST_ASSERT_NOT_NULL((pkt = gnrc_pktbuf_add(NULL, _test_nth_frag,
|
|
sizeof(_test_nth_frag),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
/* separate fragment header from payload */
|
|
TEST_ASSERT_NOT_NULL((frag = gnrc_pktbuf_mark(pkt,
|
|
sizeof(sixlowpan_frag_n_t),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
LL_DELETE(pkt, frag);
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(0, gnrc_sixlowpan_frag_minfwd_forward(pkt,
|
|
frag->data,
|
|
vrbe,
|
|
0));
|
|
gnrc_pktbuf_release(frag); /* delete separated fragment header */
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_nth_frag))));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
_check_vrbe_values(vrbe, mhr_len, NTH_FRAGMENT);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_nth_frag[TEST_NTH_FRAG_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(sixlowpan_frag_n_t)],
|
|
TEST_NTH_FRAG_SIZE) == 0,
|
|
"unexpected forwarded packet payload"
|
|
);
|
|
/* VRB entry should not have been removed */
|
|
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_get(_vrbe_base.src,
|
|
_vrbe_base.src_len,
|
|
_vrbe_base.tag));
|
|
}
|
|
|
|
static void test_minfwd_forward__success__nth_frag_complete(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe = gnrc_sixlowpan_frag_vrb_add(
|
|
&_vrbe_base, _mock_netif, _rem_l2, sizeof(_rem_l2)
|
|
);
|
|
gnrc_pktsnip_t *pkt, *frag;
|
|
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
TEST_ASSERT_NOT_NULL((pkt = gnrc_pktbuf_add(NULL, _test_nth_frag,
|
|
sizeof(_test_nth_frag),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
/* separate fragment header from payload */
|
|
TEST_ASSERT_NOT_NULL((frag = gnrc_pktbuf_mark(pkt,
|
|
sizeof(sixlowpan_frag_n_t),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
LL_DELETE(pkt, frag);
|
|
/* simulate current_size only missing the created fragment */
|
|
vrbe->super.current_size = _vrbe_base.datagram_size;
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(0, gnrc_sixlowpan_frag_minfwd_forward(pkt,
|
|
frag->data,
|
|
vrbe,
|
|
0));
|
|
gnrc_pktbuf_release(frag); /* delete separated fragment header */
|
|
TEST_ASSERT(_wait_for_packet(sizeof(_test_nth_frag)));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
TEST_ASSERT(!(_target_buf[0] & IEEE802154_FCF_FRAME_PEND));
|
|
/* VRB entry should have been removed since
|
|
* vrbe->super.current_size became vrbe->super.datagram_size */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(_vrbe_base.src,
|
|
_vrbe_base.src_len,
|
|
_vrbe_base.tag));
|
|
}
|
|
|
|
static void test_minfwd_forward__ENOMEM__netif_hdr_build_fail(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe = gnrc_sixlowpan_frag_vrb_add(
|
|
&_vrbe_base, _mock_netif, _rem_l2, sizeof(_rem_l2)
|
|
);
|
|
gnrc_pktsnip_t *pkt, *frag, *filled_space;
|
|
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
TEST_ASSERT_NOT_NULL((filled_space = gnrc_pktbuf_add(
|
|
NULL, NULL,
|
|
/* 115U == 2 * sizeof(gnrc_pktsnip_t) + movement due to mark */
|
|
CONFIG_GNRC_PKTBUF_SIZE - sizeof(_test_nth_frag) - 115U,
|
|
GNRC_NETTYPE_UNDEF
|
|
)));
|
|
TEST_ASSERT_NOT_NULL((pkt = gnrc_pktbuf_add(NULL, _test_nth_frag,
|
|
sizeof(_test_nth_frag),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
/* separate fragment header from payload */
|
|
TEST_ASSERT_NOT_NULL((frag = gnrc_pktbuf_mark(pkt,
|
|
sizeof(sixlowpan_frag_n_t),
|
|
GNRC_NETTYPE_SIXLOWPAN)));
|
|
LL_DELETE(pkt, frag);
|
|
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(-ENOMEM, gnrc_sixlowpan_frag_minfwd_forward(pkt,
|
|
frag->data,
|
|
vrbe,
|
|
0));
|
|
gnrc_pktbuf_release(frag); /* delete separated fragment header */
|
|
gnrc_pktbuf_release(filled_space);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
}
|
|
|
|
static void test_minfwd_frag_iphc__success(void)
|
|
{
|
|
gnrc_sixlowpan_frag_fb_t *fbuf;
|
|
gnrc_pktsnip_t *pkt;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL((pkt = _create_send_datagram(true, true)));
|
|
|
|
TEST_ASSERT_NOT_NULL((fbuf = gnrc_sixlowpan_frag_fb_get()));
|
|
fbuf->datagram_size = TEST_SEND_DATAGRAM_SIZE;
|
|
fbuf->tag = TEST_SEND_DATAGRAM_TAG;
|
|
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(
|
|
0, gnrc_sixlowpan_frag_minfwd_frag_iphc(pkt,
|
|
TEST_SEND_DATAGRAM_SIZE,
|
|
&_rem_gb, fbuf)
|
|
);
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_send_frag1))));
|
|
_check_send_frag1(mhr_len, true);
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_send_frag2))));
|
|
_check_send_frag2(mhr_len, true);
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_send_frag3))));
|
|
_check_send_frag3(mhr_len, true);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
}
|
|
|
|
static void test_minfwd_frag_iphc__no_frag(void)
|
|
{
|
|
gnrc_sixlowpan_frag_fb_t *fbuf;
|
|
gnrc_pktsnip_t *pkt, *netif;
|
|
gnrc_netif_hdr_t *netif_hdr;
|
|
|
|
pkt = gnrc_pktbuf_add(NULL,
|
|
&_test_send_frag1[TEST_SEND_FRAG1_PAYLOAD_POS],
|
|
TEST_SEND_FRAG1_PAYLOAD_SIZE,
|
|
GNRC_NETTYPE_SIXLOWPAN);
|
|
TEST_ASSERT_NOT_NULL(pkt);
|
|
netif = gnrc_netif_hdr_build(_vrbe_base.src, _vrbe_base.src_len,
|
|
_vrbe_base.dst, _vrbe_base.dst_len);
|
|
TEST_ASSERT_NOT_NULL(netif);
|
|
netif_hdr = netif->data;
|
|
TEST_ASSERT_NOT_NULL(netif_hdr);
|
|
netif_hdr->if_pid = _mock_netif->pid;
|
|
LL_PREPEND(pkt, netif);
|
|
|
|
TEST_ASSERT_NOT_NULL((fbuf = gnrc_sixlowpan_frag_fb_get()));
|
|
fbuf->datagram_size = TEST_SEND_FRAG1_PAYLOAD_SIZE;
|
|
fbuf->tag = TEST_SEND_DATAGRAM_TAG;
|
|
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(
|
|
-1, gnrc_sixlowpan_frag_minfwd_frag_iphc(pkt,
|
|
TEST_SEND_DATAGRAM_SIZE,
|
|
&_rem_gb, fbuf)
|
|
);
|
|
/* should time out (as the packet should be handled by normal fragmentation)
|
|
* now */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_send_frag1)));
|
|
TEST_ASSERT_NULL(fbuf->pkt);
|
|
gnrc_pktbuf_release(pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
}
|
|
|
|
static void test_minfwd_frag_iphc__ll_dst(void)
|
|
{
|
|
gnrc_sixlowpan_frag_fb_t *fbuf;
|
|
gnrc_pktsnip_t *pkt, *netif;
|
|
gnrc_netif_hdr_t *netif_hdr;
|
|
|
|
pkt = gnrc_pktbuf_add(NULL,
|
|
&_test_send_ll[TEST_SEND_LL_PAYLOAD_POS],
|
|
TEST_SEND_LL_PAYLOAD_SIZE,
|
|
GNRC_NETTYPE_SIXLOWPAN);
|
|
TEST_ASSERT_NOT_NULL(pkt);
|
|
netif = gnrc_netif_hdr_build(_vrbe_base.src, _vrbe_base.src_len,
|
|
_vrbe_base.dst, _vrbe_base.dst_len);
|
|
TEST_ASSERT_NOT_NULL(netif);
|
|
netif_hdr = netif->data;
|
|
TEST_ASSERT_NOT_NULL(netif_hdr);
|
|
netif_hdr->if_pid = _mock_netif->pid;
|
|
LL_PREPEND(pkt, netif);
|
|
|
|
TEST_ASSERT_NOT_NULL((fbuf = gnrc_sixlowpan_frag_fb_get()));
|
|
fbuf->datagram_size = TEST_SEND_FRAG1_PAYLOAD_SIZE;
|
|
fbuf->tag = TEST_SEND_DATAGRAM_TAG;
|
|
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT_EQUAL_INT(
|
|
-1, gnrc_sixlowpan_frag_minfwd_frag_iphc(pkt,
|
|
TEST_SEND_DATAGRAM_SIZE,
|
|
&_rem_ll, fbuf)
|
|
);
|
|
/* should time out (as the packet should be handled by normal fragmentation)
|
|
* now */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_send_frag1)));
|
|
TEST_ASSERT_NULL(fbuf->pkt);
|
|
gnrc_pktbuf_release(pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_uncomp(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_uncomp,
|
|
sizeof(_test_1st_frag_uncomp)))
|
|
);
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&_rem_gb, REM_GB_PFX_LEN));
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_1st_frag_uncomp))));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* but there was a VRB entry created */
|
|
TEST_ASSERT_NOT_NULL((vrbe = gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
)));
|
|
_check_vrbe_values(vrbe, mhr_len, FIRST_FRAGMENT);
|
|
TEST_ASSERT_EQUAL_INT(TEST_1ST_FRAG_UNCOMP_SIZE,
|
|
vrbe->super.current_size);
|
|
/* only the received fragment is registered */
|
|
TEST_ASSERT_NOT_NULL(vrbe->super.ints);
|
|
TEST_ASSERT_NULL(vrbe->super.ints->next);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
_check_1st_frag_uncomp(mhr_len, 1U);
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_uncomp__no_route(void)
|
|
{
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf;
|
|
gnrc_pktsnip_t *frag;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_uncomp,
|
|
sizeof(_test_1st_frag_uncomp)))
|
|
);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_1st_frag_uncomp)));
|
|
/* normal reassembly should have started */
|
|
/* reassembly buffer entry should have been created */
|
|
TEST_ASSERT_NOT_NULL((rbuf = _first_non_empty_rbuf()));
|
|
/* and VRB remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.datagram_size, rbuf->pkt->size);
|
|
gnrc_pktbuf_release(rbuf->pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* This is normal reassembly so the rest should have be tested in the
|
|
* test for normal reassembly ;-) */
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_uncomp__after_nth_frag(void)
|
|
{
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf;
|
|
gnrc_pktsnip_t *frag;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&_rem_gb, REM_GB_PFX_LEN));
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_nth_frag)));
|
|
/* reassembly buffer entry should have been created */
|
|
TEST_ASSERT_NOT_NULL(_first_non_empty_rbuf());
|
|
/* and VRB remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_uncomp,
|
|
sizeof(_test_1st_frag_uncomp)))
|
|
);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_1st_frag_uncomp)));
|
|
/* reassembly buffer entry should still exist */
|
|
TEST_ASSERT_NOT_NULL((rbuf = _first_non_empty_rbuf()));
|
|
/* and VRB still remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.datagram_size, rbuf->pkt->size);
|
|
gnrc_pktbuf_release(rbuf->pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* This is normal reassembly so the rest should have be tested in the
|
|
* test for normal reassembly ;-) */
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_comp(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_comp_prev_hop,
|
|
sizeof(_test_1st_frag_comp_prev_hop)))
|
|
);
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&_rem_gb, REM_GB_PFX_LEN));
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* first wait and check IPHC part (we put some slack in the first fragment) */
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(
|
|
sizeof(_test_1st_frag_comp) + TEST_1ST_FRAG_UNCOMP_UDP_PAYLOAD_SIZE
|
|
)));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* but there was a VRB entry created */
|
|
TEST_ASSERT_NOT_NULL((vrbe = gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
)));
|
|
_check_vrbe_values(vrbe, mhr_len, FIRST_FRAGMENT);
|
|
TEST_ASSERT_EQUAL_INT(TEST_1ST_FRAG_COMP_FRAG_SIZE,
|
|
vrbe->super.current_size);
|
|
/* only the received fragment is registered */
|
|
TEST_ASSERT_NOT_NULL(vrbe->super.ints);
|
|
TEST_ASSERT_NULL(vrbe->super.ints->next);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_1st_frag_comp[TEST_1ST_FRAG_COMP_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(sixlowpan_frag_t)],
|
|
TEST_1ST_FRAG_COMP_SIZE) == 0,
|
|
"unexpected IPHC header"
|
|
);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_1st_frag_uncomp[TEST_1ST_FRAG_UNCOMP_UDP_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(_test_1st_frag_comp)],
|
|
TEST_1ST_FRAG_UNCOMP_UDP_PAYLOAD_SIZE) == 0,
|
|
"unexpected forwarded packet payload"
|
|
);
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_comp__only_iphc(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_comp_prev_hop,
|
|
TEST_1ST_FRAG_COMP_PREV_HOP_UDP_PAYLOAD_POS))
|
|
);
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&_rem_gb, REM_GB_PFX_LEN));
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* first wait and check IPHC part (we put some slack in the first fragment) */
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_1st_frag_comp))));
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* but there was a VRB entry created */
|
|
TEST_ASSERT_NOT_NULL((vrbe = gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
)));
|
|
_check_vrbe_values(vrbe, mhr_len, FIRST_FRAGMENT);
|
|
TEST_ASSERT_EQUAL_INT(TEST_1ST_FRAG_COMP_ONLY_IPHC_FRAG_SIZE,
|
|
vrbe->super.current_size);
|
|
/* only the received fragment is registered */
|
|
TEST_ASSERT_NOT_NULL(vrbe->super.ints);
|
|
TEST_ASSERT_NULL(vrbe->super.ints->next);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_1st_frag_comp[TEST_1ST_FRAG_COMP_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(sixlowpan_frag_t)],
|
|
TEST_1ST_FRAG_COMP_SIZE) == 0,
|
|
"unexpected IPHC header"
|
|
);
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_comp__only_iphc_no_nhc(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_send_frag1_prev_hop,
|
|
sizeof(_test_send_frag1_prev_hop)))
|
|
);
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&_rem_gb, REM_GB_PFX_LEN));
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* first wait and check IPHC part (we put some slack in the first fragment) */
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_send_frag1))));
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* but there was a VRB entry created */
|
|
TEST_ASSERT_NOT_NULL((vrbe = gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
)));
|
|
_check_vrbe_values(vrbe, mhr_len, FIRST_FRAGMENT);
|
|
TEST_ASSERT_EQUAL_INT(TEST_SEND_FRAG1_SIZE, vrbe->super.current_size);
|
|
/* only the received fragment is registered */
|
|
TEST_ASSERT_NOT_NULL(vrbe->super.ints);
|
|
TEST_ASSERT_NULL(vrbe->super.ints->next);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_send_frag1[TEST_SEND_FRAG1_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(sixlowpan_frag_t)],
|
|
TEST_SEND_FRAG1_PAYLOAD_SIZE) == 0,
|
|
"unexpected IPHC header"
|
|
);
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_comp__no_route(void)
|
|
{
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf;
|
|
gnrc_pktsnip_t *frag;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_comp_prev_hop,
|
|
sizeof(_test_1st_frag_comp_prev_hop)))
|
|
);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_1st_frag_comp)));
|
|
/* normal reassembly should have started */
|
|
/* reassembly buffer entry should have been created */
|
|
TEST_ASSERT_NOT_NULL((rbuf = _first_non_empty_rbuf()));
|
|
/* and VRB remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.datagram_size, rbuf->pkt->size);
|
|
gnrc_pktbuf_release(rbuf->pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* This is normal reassembly so the rest should have be tested in the
|
|
* test for normal reassembly ;-) */
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_comp__no_route_only_iphc(void)
|
|
{
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf;
|
|
gnrc_pktsnip_t *frag;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_comp_prev_hop,
|
|
TEST_1ST_FRAG_COMP_PREV_HOP_UDP_PAYLOAD_POS))
|
|
);
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_1st_frag_comp)));
|
|
/* normal reassembly should have started */
|
|
/* reassembly buffer entry should have been created */
|
|
TEST_ASSERT_NOT_NULL((rbuf = _first_non_empty_rbuf()));
|
|
/* and VRB remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.datagram_size, rbuf->pkt->size);
|
|
gnrc_pktbuf_release(rbuf->pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* This is normal reassembly so the rest should have be tested in the
|
|
* test for normal reassembly ;-) */
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_comp__no_refrag(void)
|
|
{
|
|
gnrc_sixlowpan_frag_fb_t *reserved[CONFIG_GNRC_SIXLOWPAN_FRAG_FB_SIZE];
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf;
|
|
gnrc_pktsnip_t *frag;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_comp_prev_hop,
|
|
sizeof(_test_1st_frag_comp_prev_hop)))
|
|
);
|
|
/* consume all available gnrc_sixlowpan_frag_fb_t instances so creating
|
|
* a fragment with extra slack is not possible */
|
|
for (unsigned i = 0; i < CONFIG_GNRC_SIXLOWPAN_FRAG_FB_SIZE; i++) {
|
|
reserved[i] = gnrc_sixlowpan_frag_fb_get();
|
|
reserved[i]->pkt = frag;
|
|
}
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_1st_frag_comp)));
|
|
/* normal reassembly should have started */
|
|
/* reassembly buffer entry should have been created */
|
|
TEST_ASSERT_NOT_NULL((rbuf = _first_non_empty_rbuf()));
|
|
/* and VRB remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.datagram_size, rbuf->pkt->size);
|
|
gnrc_pktbuf_release(rbuf->pkt);
|
|
/* release all gnrc_sixlowpan_frag_fb_t instances again */
|
|
for (unsigned i = 0; i < CONFIG_GNRC_SIXLOWPAN_FRAG_FB_SIZE; i++) {
|
|
reserved[i]->pkt = NULL;
|
|
}
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* This is normal reassembly so the rest should have be tested in the
|
|
* test for normal reassembly ;-) */
|
|
}
|
|
|
|
static void test_sixlo_recv__1st_frag_comp__after_nth_frag(void)
|
|
{
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf;
|
|
gnrc_pktsnip_t *frag;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag,
|
|
sizeof(_test_nth_frag)))
|
|
);
|
|
/* configure route to destination of IP header in frag */
|
|
TEST_ASSERT_EQUAL_INT(0, _set_route_and_nce(&_rem_gb, REM_GB_PFX_LEN));
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_nth_frag)));
|
|
/* reassembly buffer entry should have been created */
|
|
TEST_ASSERT_NOT_NULL(_first_non_empty_rbuf());
|
|
/* and VRB remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_1st_frag_comp_prev_hop,
|
|
sizeof(_test_1st_frag_comp_prev_hop)))
|
|
);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_1st_frag_comp)));
|
|
/* reassembly buffer entry should still exist */
|
|
TEST_ASSERT_NOT_NULL((rbuf = _first_non_empty_rbuf()));
|
|
/* and VRB still remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.datagram_size, rbuf->pkt->size);
|
|
gnrc_pktbuf_release(rbuf->pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* This is normal reassembly so the rest should have be tested in the
|
|
* test for normal reassembly ;-) */
|
|
}
|
|
|
|
static void test_sixlo_recv__nth_frag(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
TEST_ASSERT_NOT_NULL(
|
|
(vrbe = gnrc_sixlowpan_frag_vrb_add(&_vrbe_base, _mock_netif,
|
|
_rem_l2, sizeof(_rem_l2)))
|
|
);
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_nth_frag))));
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
_check_vrbe_values(vrbe, mhr_len, NTH_FRAGMENT);
|
|
TEST_ASSERT_EQUAL_INT(TEST_NTH_FRAG_SIZE, vrbe->super.current_size);
|
|
TEST_ASSERT(_target_buf[0] & IEEE802154_FCF_FRAME_PEND);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_nth_frag[TEST_NTH_FRAG_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(sixlowpan_frag_n_t)],
|
|
TEST_NTH_FRAG_SIZE) == 0,
|
|
"unexpected forwarded packet payload"
|
|
);
|
|
/* VRB entry should not have been removed */
|
|
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_get(_vrbe_base.src,
|
|
_vrbe_base.src_len,
|
|
_vrbe_base.tag));
|
|
}
|
|
|
|
static void test_sixlo_recv__nth_frag__datagram_complete(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
TEST_ASSERT_NOT_NULL(
|
|
(vrbe = gnrc_sixlowpan_frag_vrb_add(&_vrbe_base, _mock_netif,
|
|
_rem_l2, sizeof(_rem_l2)))
|
|
);
|
|
/* simulate current_size only missing the created fragment */
|
|
vrbe->super.current_size = _vrbe_base.datagram_size - TEST_NTH_FRAG_SIZE;
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_nth_frag))));
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* VRB entry should have been removed */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* VRB entry should have been removed, so don't check */
|
|
TEST_ASSERT(!(_target_buf[0] & IEEE802154_FCF_FRAME_PEND));
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_nth_frag[TEST_NTH_FRAG_PAYLOAD_POS],
|
|
&_target_buf[mhr_len + sizeof(sixlowpan_frag_n_t)],
|
|
TEST_NTH_FRAG_SIZE) == 0,
|
|
"unexpected forwarded packet payload"
|
|
);
|
|
}
|
|
|
|
static void test_sixlo_recv__nth_frag__no_vrbe(void)
|
|
{
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf;
|
|
gnrc_pktsnip_t *frag;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_nth_frag)));
|
|
/* normal reassembly should have started */
|
|
/* reassembly buffer entry should have been created */
|
|
TEST_ASSERT_NOT_NULL((rbuf = _first_non_empty_rbuf()));
|
|
/* and VRB remains empty */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
TEST_ASSERT_EQUAL_INT(_vrbe_base.datagram_size, rbuf->pkt->size);
|
|
gnrc_pktbuf_release(rbuf->pkt);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* This is normal reassembly so the rest should have be tested in the
|
|
* test for normal reassembly ;-) */
|
|
}
|
|
|
|
static void test_sixlo_recv__nth_frag__duplicate(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
uint16_t exp_current_size;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
TEST_ASSERT_NOT_NULL(
|
|
(vrbe = gnrc_sixlowpan_frag_vrb_add(&_vrbe_base, _mock_netif,
|
|
_rem_l2, sizeof(_rem_l2)))
|
|
);
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
TEST_ASSERT(_wait_for_packet(sizeof(_test_nth_frag)));
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* VRB entry should not have been removed */
|
|
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_get(_vrbe_base.src,
|
|
_vrbe_base.src_len,
|
|
_vrbe_base.tag));
|
|
/* rest was already tested */
|
|
exp_current_size = vrbe->super.current_size;
|
|
|
|
/* generate and receive duplicate */
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
_target_buf_len = 0;
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_nth_frag)));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* VRB entry should not have been removed */
|
|
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_get(_vrbe_base.src,
|
|
_vrbe_base.src_len,
|
|
_vrbe_base.tag));
|
|
TEST_ASSERT_EQUAL_INT(exp_current_size, vrbe->super.current_size);
|
|
}
|
|
|
|
static void test_sixlo_recv__nth_frag__overlap(void)
|
|
{
|
|
gnrc_sixlowpan_frag_vrb_t *vrbe;
|
|
gnrc_pktsnip_t *frag;
|
|
sixlowpan_frag_n_t *frag_hdr;
|
|
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
TEST_ASSERT_NOT_NULL(
|
|
(vrbe = gnrc_sixlowpan_frag_vrb_add(&_vrbe_base, _mock_netif,
|
|
_rem_l2, sizeof(_rem_l2)))
|
|
);
|
|
vrbe->super.arrival = xtimer_now_usec();
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
TEST_ASSERT(_wait_for_packet(sizeof(_test_nth_frag)));
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* rest was already tested */
|
|
|
|
/* generate and receive overlapping fragment */
|
|
TEST_ASSERT_NOT_NULL(
|
|
(frag = _create_recv_frag(_test_nth_frag, sizeof(_test_nth_frag)))
|
|
);
|
|
frag_hdr = frag->data;
|
|
/* move offset to simulate overlap*/
|
|
frag_hdr->offset--;
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_receive(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
frag));
|
|
_target_buf_len = 0;
|
|
/* should time out */
|
|
TEST_ASSERT_EQUAL_INT(0, _wait_for_packet(sizeof(_test_nth_frag)));
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
/* reassembly buffer remains empty */
|
|
TEST_ASSERT_NULL(_first_non_empty_rbuf());
|
|
/* VRB entry was removed due to overlap error */
|
|
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(
|
|
_vrbe_base.src, _vrbe_base.src_len, _vrbe_base.tag
|
|
));
|
|
}
|
|
|
|
static void test_sixlo_send(void)
|
|
{
|
|
gnrc_pktsnip_t *pkt;
|
|
size_t mhr_len;
|
|
|
|
TEST_ASSERT_NOT_NULL((pkt = _create_send_datagram(false, true)));
|
|
|
|
netdev_ieee802154_t *netdev_ieee802154 = container_of(_mock_netif->dev,
|
|
netdev_ieee802154_t,
|
|
netdev);
|
|
netdev_test_t *netdev_test = container_of(netdev_ieee802154, netdev_test_t,
|
|
netdev);
|
|
netdev_test_set_send_cb(netdev_test,
|
|
_mock_netdev_send);
|
|
TEST_ASSERT(0 < gnrc_netapi_dispatch_send(GNRC_NETTYPE_SIXLOWPAN,
|
|
GNRC_NETREG_DEMUX_CTX_ALL,
|
|
pkt));
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_send_frag1))));
|
|
/* tags are generated by the stack so don't check */
|
|
_check_send_frag1(mhr_len, false);
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_send_frag2))));
|
|
_check_send_frag2(mhr_len, false);
|
|
TEST_ASSERT((mhr_len = _wait_for_packet(sizeof(_test_send_frag3))));
|
|
_check_send_frag3(mhr_len, false);
|
|
TEST_ASSERT(gnrc_pktbuf_is_sane());
|
|
TEST_ASSERT(gnrc_pktbuf_is_empty());
|
|
}
|
|
|
|
static Test *tests_gnrc_sixlowpan_frag_minfwd_api(void)
|
|
{
|
|
EMB_UNIT_TESTFIXTURES(fixtures) {
|
|
new_TestFixture(test_minfwd_vrbe_from_route__success__given_netif),
|
|
new_TestFixture(test_minfwd_vrbe_from_route__success__no_netif),
|
|
new_TestFixture(test_minfwd_vrbe_from_route__no_route1),
|
|
new_TestFixture(test_minfwd_vrbe_from_route__no_route2),
|
|
new_TestFixture(test_minfwd_vrbe_from_route__local_addr),
|
|
new_TestFixture(test_minfwd_vrbe_from_route__vrb_full),
|
|
new_TestFixture(test_minfwd_forward__success__1st_frag_sixlo),
|
|
new_TestFixture(test_minfwd_forward__success__1st_frag_iphc),
|
|
new_TestFixture(test_minfwd_forward__success__nth_frag_incomplete),
|
|
new_TestFixture(test_minfwd_forward__success__nth_frag_complete),
|
|
new_TestFixture(test_minfwd_forward__ENOMEM__netif_hdr_build_fail),
|
|
new_TestFixture(test_minfwd_frag_iphc__success),
|
|
new_TestFixture(test_minfwd_frag_iphc__no_frag),
|
|
new_TestFixture(test_minfwd_frag_iphc__ll_dst),
|
|
};
|
|
|
|
EMB_UNIT_TESTCALLER(tests, _set_up, _tear_down, fixtures);
|
|
|
|
return (Test *)&tests;
|
|
}
|
|
|
|
static Test *tests_gnrc_sixlowpan_frag_minfwd_integration(void)
|
|
{
|
|
EMB_UNIT_TESTFIXTURES(fixtures) {
|
|
new_TestFixture(test_sixlo_recv__1st_frag_uncomp),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_uncomp__no_route),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_uncomp__after_nth_frag),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_comp),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_comp__only_iphc),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_comp__only_iphc_no_nhc),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_comp__no_route),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_comp__no_route_only_iphc),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_comp__no_refrag),
|
|
new_TestFixture(test_sixlo_recv__1st_frag_comp__after_nth_frag),
|
|
new_TestFixture(test_sixlo_recv__nth_frag),
|
|
new_TestFixture(test_sixlo_recv__nth_frag__datagram_complete),
|
|
new_TestFixture(test_sixlo_recv__nth_frag__no_vrbe),
|
|
new_TestFixture(test_sixlo_recv__nth_frag__duplicate),
|
|
new_TestFixture(test_sixlo_recv__nth_frag__overlap),
|
|
new_TestFixture(test_sixlo_send),
|
|
};
|
|
|
|
EMB_UNIT_TESTCALLER(tests, _set_up, _tear_down, fixtures);
|
|
|
|
return (Test *)&tests;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
_tests_init();
|
|
|
|
TESTS_START();
|
|
TESTS_RUN(tests_gnrc_sixlowpan_frag_minfwd_api());
|
|
TESTS_RUN(tests_gnrc_sixlowpan_frag_minfwd_integration());
|
|
TESTS_END();
|
|
return 0;
|
|
}
|
|
|
|
static gnrc_pktsnip_t *_create_ipv6_hdr(const ipv6_hdr_t *hdr)
|
|
{
|
|
return gnrc_pktbuf_add(NULL, hdr, sizeof(*hdr), GNRC_NETTYPE_IPV6);
|
|
}
|
|
|
|
static gnrc_pktsnip_t *_create_recv_frag(const void *frag_data,
|
|
size_t frag_size)
|
|
{
|
|
gnrc_pktsnip_t *netif;
|
|
gnrc_netif_hdr_t *netif_hdr;
|
|
|
|
netif = gnrc_netif_hdr_build(_vrbe_base.src, _vrbe_base.src_len,
|
|
_vrbe_base.dst, _vrbe_base.dst_len);
|
|
if (netif == NULL) {
|
|
return NULL;
|
|
}
|
|
netif_hdr = netif->data;
|
|
netif_hdr->if_pid = _mock_netif->pid;
|
|
netif_hdr->flags = GNRC_NETIF_HDR_FLAGS_MORE_DATA;
|
|
return gnrc_pktbuf_add(netif, frag_data, frag_size,
|
|
GNRC_NETTYPE_SIXLOWPAN);
|
|
}
|
|
|
|
static int _set_route_and_nce(const ipv6_addr_t *route, unsigned pfx_len)
|
|
{
|
|
/* add neighbor cache entry */
|
|
if (gnrc_ipv6_nib_nc_set(&_rem_ll, _mock_netif->pid,
|
|
_rem_l2, sizeof(_rem_l2)) < 0) {
|
|
return -1;
|
|
}
|
|
/* and route to neighbor */
|
|
if (gnrc_ipv6_nib_ft_add(route, pfx_len, &_rem_ll, _mock_netif->pid,
|
|
0) < 0) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static gnrc_pktsnip_t *_create_send_datagram(bool compressed, bool payload)
|
|
{
|
|
gnrc_pktsnip_t *pkt1 = NULL, *pkt2;
|
|
gnrc_netif_hdr_t *netif_hdr;
|
|
|
|
if (payload) {
|
|
pkt1 = gnrc_pktbuf_add(NULL, _test_send_icmpv6, sizeof(_test_send_icmpv6),
|
|
GNRC_NETTYPE_ICMPV6);
|
|
if (pkt1 == NULL) {
|
|
return NULL;
|
|
}
|
|
}
|
|
if (compressed) {
|
|
/* Use IPHC header from expected data */
|
|
pkt2 = gnrc_pktbuf_add(pkt1,
|
|
&_test_send_frag1[TEST_SEND_FRAG1_PAYLOAD_POS],
|
|
TEST_SEND_FRAG1_PAYLOAD_SIZE,
|
|
GNRC_NETTYPE_SIXLOWPAN);
|
|
}
|
|
else {
|
|
pkt2 = gnrc_pktbuf_add(pkt1, _test_send_ipv6, sizeof(_test_send_ipv6),
|
|
GNRC_NETTYPE_IPV6);
|
|
}
|
|
if (pkt2 == NULL) {
|
|
return NULL;
|
|
}
|
|
pkt1 = gnrc_netif_hdr_build(_vrbe_base.src, _vrbe_base.src_len,
|
|
_vrbe_base.dst, _vrbe_base.dst_len);
|
|
if (pkt1 == NULL) {
|
|
return NULL;
|
|
}
|
|
netif_hdr = pkt1->data;
|
|
if (netif_hdr == NULL) {
|
|
return NULL;
|
|
}
|
|
netif_hdr->if_pid = _mock_netif->pid;
|
|
LL_PREPEND(pkt2, pkt1);
|
|
return pkt2;
|
|
}
|
|
|
|
static size_t _wait_for_packet(size_t exp_size)
|
|
{
|
|
size_t mhr_len;
|
|
|
|
xtimer_mutex_lock_timeout(&_target_buf_filled,
|
|
SEND_PACKET_TIMEOUT);
|
|
while ((mhr_len = ieee802154_get_frame_hdr_len(_target_buf))) {
|
|
if (IS_USED(MODULE_OD) && _target_buf_len > 0) {
|
|
puts("Sent packet: ");
|
|
od_hex_dump(_target_buf, _target_buf_len, OD_WIDTH_DEFAULT);
|
|
}
|
|
if (exp_size == (_target_buf_len - mhr_len)) {
|
|
/* found expected packet */
|
|
break;
|
|
}
|
|
/* let packets in again at the device */
|
|
mutex_unlock(&_target_buf_barrier);
|
|
/* wait for next packet */
|
|
if (xtimer_mutex_lock_timeout(&_target_buf_filled,
|
|
SEND_PACKET_TIMEOUT) < 0) {
|
|
return 0;
|
|
}
|
|
}
|
|
return mhr_len;
|
|
}
|
|
|
|
static void _check_vrbe_values(gnrc_sixlowpan_frag_vrb_t *vrbe,
|
|
size_t mhr_len, int frag_type)
|
|
{
|
|
uint8_t target_buf_dst[IEEE802154_LONG_ADDRESS_LEN];
|
|
sixlowpan_frag_t *frag_hdr = (sixlowpan_frag_t *)&_target_buf[mhr_len];
|
|
le_uint16_t tmp;
|
|
|
|
TEST_ASSERT_EQUAL_INT(vrbe->super.dst_len,
|
|
ieee802154_get_dst(_target_buf,
|
|
target_buf_dst,
|
|
&tmp));
|
|
TEST_ASSERT_MESSAGE(memcmp(vrbe->super.dst, target_buf_dst,
|
|
vrbe->super.dst_len) == 0,
|
|
"vrbe->out_dst != target_buf_dst");
|
|
|
|
TEST_ASSERT_EQUAL_INT(vrbe->super.datagram_size,
|
|
byteorder_ntohs(frag_hdr->disp_size) &
|
|
SIXLOWPAN_FRAG_SIZE_MASK);
|
|
TEST_ASSERT_EQUAL_INT(vrbe->out_tag,
|
|
byteorder_ntohs(frag_hdr->tag));
|
|
switch (frag_type) {
|
|
case FIRST_FRAGMENT: {
|
|
TEST_ASSERT_EQUAL_INT(
|
|
SIXLOWPAN_FRAG_1_DISP,
|
|
_target_buf[mhr_len] & SIXLOWPAN_FRAG_DISP_MASK
|
|
);
|
|
break;
|
|
}
|
|
case FIRST_FRAGMENT_REST:
|
|
case NTH_FRAGMENT: {
|
|
sixlowpan_frag_n_t *frag_n_hdr = (sixlowpan_frag_n_t *)&_target_buf[mhr_len];
|
|
uint8_t exp_offset = (frag_type == FIRST_FRAGMENT_REST)
|
|
? TEST_1ST_FRAG_COMP_EXP_OFFSET
|
|
: _test_nth_frag[TEST_NTH_FRAG_OFFSET_POS];
|
|
|
|
TEST_ASSERT_EQUAL_INT(
|
|
SIXLOWPAN_FRAG_N_DISP,
|
|
_target_buf[mhr_len] & SIXLOWPAN_FRAG_DISP_MASK
|
|
);
|
|
TEST_ASSERT_EQUAL_INT(exp_offset, frag_n_hdr->offset);
|
|
break;
|
|
}
|
|
default:
|
|
TEST_ASSERT_MESSAGE(false, "Unexpected frag_type");
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void _check_1st_frag_uncomp(size_t mhr_len, uint8_t exp_hl_diff)
|
|
{
|
|
static const ipv6_hdr_t *exp_ipv6_hdr = (ipv6_hdr_t *)&_test_1st_frag_uncomp[
|
|
TEST_1ST_FRAG_UNCOMP_IPV6_HDR_POS
|
|
];
|
|
ipv6_hdr_t *ipv6_hdr;
|
|
|
|
TEST_ASSERT_EQUAL_INT(
|
|
SIXLOWPAN_UNCOMP,
|
|
_target_buf[mhr_len + TEST_1ST_FRAG_UNCOMP_PAYLOAD_POS]
|
|
);
|
|
ipv6_hdr = (ipv6_hdr_t *)&_target_buf[
|
|
mhr_len + TEST_1ST_FRAG_UNCOMP_IPV6_HDR_POS
|
|
];
|
|
TEST_ASSERT_EQUAL_INT(exp_ipv6_hdr->v_tc_fl.u32, ipv6_hdr->v_tc_fl.u32);
|
|
TEST_ASSERT_EQUAL_INT(exp_ipv6_hdr->len.u16, ipv6_hdr->len.u16);
|
|
TEST_ASSERT_EQUAL_INT(exp_ipv6_hdr->nh, ipv6_hdr->nh);
|
|
/* hop-limit shall be decremented by 1 */
|
|
TEST_ASSERT_EQUAL_INT(exp_ipv6_hdr->hl - exp_hl_diff, ipv6_hdr->hl);
|
|
TEST_ASSERT(ipv6_addr_equal(&exp_ipv6_hdr->src, &ipv6_hdr->src));
|
|
TEST_ASSERT(ipv6_addr_equal(&exp_ipv6_hdr->dst, &ipv6_hdr->dst));
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_1st_frag_uncomp[TEST_1ST_FRAG_UNCOMP_IPV6_PAYLOAD_POS],
|
|
ipv6_hdr + 1, TEST_1ST_FRAG_UNCOMP_IPV6_PAYLOAD_SIZE) == 0,
|
|
"unexpected forwarded packet payload"
|
|
);
|
|
}
|
|
|
|
static void _check_send_frag_datagram_fields(size_t mhr_len, bool check_tag)
|
|
{
|
|
sixlowpan_frag_t *frag_hdr = (sixlowpan_frag_t *)&_target_buf[mhr_len];
|
|
|
|
TEST_ASSERT_EQUAL_INT(TEST_SEND_DATAGRAM_SIZE,
|
|
byteorder_ntohs(frag_hdr->disp_size) &
|
|
SIXLOWPAN_FRAG_SIZE_MASK);
|
|
if (check_tag) {
|
|
TEST_ASSERT_EQUAL_INT(TEST_SEND_DATAGRAM_TAG,
|
|
byteorder_ntohs(frag_hdr->tag));
|
|
}
|
|
}
|
|
|
|
static void _check_send_frag1(size_t mhr_len, bool check_tag)
|
|
{
|
|
TEST_ASSERT_EQUAL_INT(
|
|
SIXLOWPAN_FRAG_1_DISP,
|
|
_target_buf[mhr_len] & SIXLOWPAN_FRAG_DISP_MASK
|
|
);
|
|
_check_send_frag_datagram_fields(mhr_len, check_tag);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_send_frag1[TEST_SEND_FRAG1_PAYLOAD_POS],
|
|
&_target_buf[TEST_SEND_FRAG1_PAYLOAD_POS + mhr_len],
|
|
TEST_SEND_FRAG1_PAYLOAD_SIZE) == 0,
|
|
"unexpected IPHC header"
|
|
);
|
|
}
|
|
|
|
static void _check_send_frag2(size_t mhr_len, bool check_tag)
|
|
{
|
|
sixlowpan_frag_n_t *frag_hdr;
|
|
|
|
TEST_ASSERT_EQUAL_INT(
|
|
SIXLOWPAN_FRAG_N_DISP,
|
|
_target_buf[mhr_len] & SIXLOWPAN_FRAG_DISP_MASK
|
|
);
|
|
frag_hdr = (sixlowpan_frag_n_t *)&_target_buf[mhr_len];
|
|
_check_send_frag_datagram_fields(mhr_len, check_tag);
|
|
TEST_ASSERT_EQUAL_INT(TEST_SEND_FRAG2_OFFSET,
|
|
frag_hdr->offset);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_send_frag2[TEST_SEND_FRAG2_PAYLOAD_POS],
|
|
&_target_buf[TEST_SEND_FRAG2_PAYLOAD_POS + mhr_len],
|
|
TEST_SEND_FRAG2_PAYLOAD_SIZE) == 0,
|
|
"unexpected send packet payload"
|
|
);
|
|
}
|
|
|
|
static void _check_send_frag3(size_t mhr_len, bool check_tag)
|
|
{
|
|
sixlowpan_frag_n_t *frag_hdr;
|
|
|
|
TEST_ASSERT_EQUAL_INT(
|
|
SIXLOWPAN_FRAG_N_DISP,
|
|
_target_buf[mhr_len] & SIXLOWPAN_FRAG_DISP_MASK
|
|
);
|
|
frag_hdr = (sixlowpan_frag_n_t *)&_target_buf[mhr_len];
|
|
_check_send_frag_datagram_fields(mhr_len, check_tag);
|
|
TEST_ASSERT_EQUAL_INT(TEST_SEND_FRAG3_OFFSET,
|
|
frag_hdr->offset);
|
|
TEST_ASSERT_MESSAGE(
|
|
memcmp(&_test_send_frag3[TEST_SEND_FRAG3_PAYLOAD_POS],
|
|
&_target_buf[TEST_SEND_FRAG3_PAYLOAD_POS + mhr_len],
|
|
TEST_SEND_FRAG3_PAYLOAD_SIZE) == 0,
|
|
"unexpected send packet payload"
|
|
);
|
|
}
|
|
|
|
static const gnrc_sixlowpan_frag_rb_t *_first_non_empty_rbuf(void)
|
|
{
|
|
const gnrc_sixlowpan_frag_rb_t *rbuf = gnrc_sixlowpan_frag_rb_array();
|
|
|
|
for (unsigned i = 0; i < CONFIG_GNRC_SIXLOWPAN_FRAG_RBUF_SIZE; i++) {
|
|
if (!gnrc_sixlowpan_frag_rb_entry_empty(&rbuf[i])) {
|
|
return rbuf;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int _mock_netdev_send(netdev_t *dev, const iolist_t *iolist)
|
|
{
|
|
(void)dev;
|
|
mutex_lock(&_target_buf_barrier);
|
|
_target_buf_len = 0;
|
|
for (const iolist_t *ptr = iolist; ptr != NULL; ptr = ptr->iol_next) {
|
|
if ((_target_buf_len + iolist->iol_len) > sizeof(_target_buf)) {
|
|
return -ENOBUFS;
|
|
}
|
|
memcpy(&_target_buf[_target_buf_len], ptr->iol_base, ptr->iol_len);
|
|
_target_buf_len += ptr->iol_len;
|
|
}
|
|
/* wake-up test thread */
|
|
mutex_unlock(&_target_buf_filled);
|
|
return _target_buf_len;
|
|
}
|