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[66.68.129.43]) by smtp.gmail.com with ESMTPSA id b3sm6959158otc.30.2016.04.25.13.14.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 25 Apr 2016 13:14:23 -0700 (PDT) From: Bill Fischofer To: lng-odp@lists.linaro.org Date: Mon, 25 Apr 2016 15:14:13 -0500 Message-Id: <1461615258-17929-3-git-send-email-bill.fischofer@linaro.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1461615258-17929-1-git-send-email-bill.fischofer@linaro.org> References: <1461615258-17929-1-git-send-email-bill.fischofer@linaro.org> X-Topics: patch Subject: [lng-odp] [API-NEXT PATCHv2 2/7] validation: packet: add tests for extend/trunc packet head/tail X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "The OpenDataPlane \(ODP\) List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" Signed-off-by: Bill Fischofer Reviewed-by: Bala Manoharan --- test/validation/packet/packet.c | 188 +++++++++++++++++++++++++++++----------- 1 file changed, 137 insertions(+), 51 deletions(-) diff --git a/test/validation/packet/packet.c b/test/validation/packet/packet.c index 4b9da46..8619e6b 100644 --- a/test/validation/packet/packet.c +++ b/test/validation/packet/packet.c @@ -366,37 +366,68 @@ void packet_test_layer_offsets(void) CU_ASSERT(l3_addr != l4_addr); } -static void _verify_headroom_shift(odp_packet_t packet, +static void _verify_headroom_shift(odp_packet_t *pkt, int shift) { - uint32_t room = odp_packet_headroom(packet); - uint32_t seg_data_len = odp_packet_seg_len(packet); - uint32_t pkt_data_len = odp_packet_len(packet); + uint32_t room = odp_packet_headroom(*pkt); + uint32_t seg_data_len = odp_packet_seg_len(*pkt); + uint32_t pkt_data_len = odp_packet_len(*pkt); void *data; - char *data_orig = odp_packet_data(packet); - char *head_orig = odp_packet_head(packet); + char *data_orig = odp_packet_data(*pkt); + char *head_orig = odp_packet_head(*pkt); + uint32_t seg_len; + int extended, rc; - if (shift >= 0) - data = odp_packet_push_head(packet, shift); - else - data = odp_packet_pull_head(packet, -shift); + if (shift >= 0) { + if (abs(shift) <= room) { + data = odp_packet_push_head(*pkt, shift); + extended = 0; + } else { + rc = odp_packet_extend_head(pkt, shift, + &data, &seg_len); + extended = 1; + } + } else { + if (abs(shift) <= seg_data_len) { + data = odp_packet_pull_head(*pkt, -shift); + extended = 0; + } else { + rc = odp_packet_trunc_head(pkt, -shift, + &data, &seg_len); + extended = 1; + } + } CU_ASSERT_PTR_NOT_NULL(data); - CU_ASSERT(odp_packet_headroom(packet) == room - shift); - CU_ASSERT(odp_packet_seg_len(packet) == seg_data_len + shift); - CU_ASSERT(odp_packet_len(packet) == pkt_data_len + shift); - CU_ASSERT(odp_packet_data(packet) == data); - CU_ASSERT(odp_packet_head(packet) == head_orig); - CU_ASSERT(data == data_orig - shift); + if (extended) { + CU_ASSERT(rc >= 0); + if (shift >= 0) { + CU_ASSERT(odp_packet_seg_len(*pkt) == shift - room); + } else { + CU_ASSERT(odp_packet_headroom(*pkt) >= + abs(shift) - seg_data_len); + } + CU_ASSERT(odp_packet_head(*pkt) != head_orig); + } else { + CU_ASSERT(odp_packet_headroom(*pkt) == room - shift); + CU_ASSERT(odp_packet_seg_len(*pkt) == seg_data_len + shift); + CU_ASSERT(data == data_orig - shift); + CU_ASSERT(odp_packet_head(*pkt) == head_orig); + } + + CU_ASSERT(odp_packet_len(*pkt) == pkt_data_len + shift); + CU_ASSERT(odp_packet_data(*pkt) == data); } void packet_test_headroom(void) { - odp_packet_t pkt = test_packet; + odp_packet_t pkt = odp_packet_copy(test_packet, + odp_packet_pool(test_packet)); uint32_t room; uint32_t seg_data_len; uint32_t push_val, pull_val; + CU_ASSERT_FATAL(pkt != ODP_PACKET_INVALID); room = odp_packet_headroom(pkt); #if ODP_CONFIG_PACKET_HEADROOM != 0 /* Avoid 'always true' warning */ @@ -408,68 +439,115 @@ void packet_test_headroom(void) pull_val = seg_data_len / 2; push_val = room; - _verify_headroom_shift(pkt, -pull_val); - _verify_headroom_shift(pkt, push_val + pull_val); - _verify_headroom_shift(pkt, -push_val); - _verify_headroom_shift(pkt, 0); + _verify_headroom_shift(&pkt, -pull_val); + _verify_headroom_shift(&pkt, push_val + pull_val); + _verify_headroom_shift(&pkt, -push_val); + _verify_headroom_shift(&pkt, 0); + + if (segmentation_supported) { + push_val = room * 2; + _verify_headroom_shift(&pkt, push_val); + _verify_headroom_shift(&pkt, 0); + _verify_headroom_shift(&pkt, -push_val); + } + + odp_packet_free(pkt); } -static void _verify_tailroom_shift(odp_packet_t pkt, +static void _verify_tailroom_shift(odp_packet_t *pkt, int shift) { odp_packet_seg_t seg; uint32_t room; - uint32_t seg_data_len, pkt_data_len; + uint32_t seg_data_len, pkt_data_len, seg_len; void *tail; char *tail_orig; + int extended, rc; - room = odp_packet_tailroom(pkt); - pkt_data_len = odp_packet_len(pkt); - tail_orig = odp_packet_tail(pkt); + room = odp_packet_tailroom(*pkt); + pkt_data_len = odp_packet_len(*pkt); + tail_orig = odp_packet_tail(*pkt); - seg = odp_packet_last_seg(pkt); + seg = odp_packet_last_seg(*pkt); CU_ASSERT(seg != ODP_PACKET_SEG_INVALID); - seg_data_len = odp_packet_seg_data_len(pkt, seg); + seg_data_len = odp_packet_seg_data_len(*pkt, seg); if (shift >= 0) { uint32_t l2_off, l3_off, l4_off; - l2_off = odp_packet_l2_offset(pkt); - l3_off = odp_packet_l3_offset(pkt); - l4_off = odp_packet_l4_offset(pkt); - - tail = odp_packet_push_tail(pkt, shift); + l2_off = odp_packet_l2_offset(*pkt); + l3_off = odp_packet_l3_offset(*pkt); + l4_off = odp_packet_l4_offset(*pkt); + + if (abs(shift) <= room) { + tail = odp_packet_push_tail(*pkt, shift); + extended = 0; + } else { + rc = odp_packet_extend_tail(pkt, shift, + &tail, &seg_len); + extended = 1; + } - CU_ASSERT(l2_off == odp_packet_l2_offset(pkt)); - CU_ASSERT(l3_off == odp_packet_l3_offset(pkt)); - CU_ASSERT(l4_off == odp_packet_l4_offset(pkt)); + CU_ASSERT(l2_off == odp_packet_l2_offset(*pkt)); + CU_ASSERT(l3_off == odp_packet_l3_offset(*pkt)); + CU_ASSERT(l4_off == odp_packet_l4_offset(*pkt)); } else { - tail = odp_packet_pull_tail(pkt, -shift); + if (abs(shift) <= + odp_packet_seg_data_len(*pkt, odp_packet_last_seg(*pkt))) { + tail = odp_packet_pull_tail(*pkt, -shift); + extended = 0; + } else { + rc = odp_packet_trunc_tail(pkt, -shift, + &tail, &seg_len); + extended = 1; + } } CU_ASSERT_PTR_NOT_NULL(tail); - CU_ASSERT(odp_packet_seg_data_len(pkt, seg) == seg_data_len + shift); - CU_ASSERT(odp_packet_len(pkt) == pkt_data_len + shift); - CU_ASSERT(odp_packet_tailroom(pkt) == room - shift); - if (room == 0 || (room - shift) == 0) - return; + if (extended) { + CU_ASSERT(rc >= 0); + CU_ASSERT(odp_packet_last_seg(*pkt) != seg); + seg = odp_packet_last_seg(*pkt); + if (shift > 0) { + CU_ASSERT(odp_packet_seg_data_len(*pkt, seg) == + shift - room); + } else { + CU_ASSERT(odp_packet_tailroom(*pkt) >= + abs(shift) - seg_data_len); + CU_ASSERT(seg_len == odp_packet_tailroom(*pkt)); + } + } else { + CU_ASSERT(odp_packet_seg_data_len(*pkt, seg) == + seg_data_len + shift); + CU_ASSERT(odp_packet_tailroom(*pkt) == room - shift); + if (room == 0 || (room - shift) == 0) + return; + if (shift >= 0) { + CU_ASSERT(odp_packet_tail(*pkt) == tail_orig + shift); + } else { + CU_ASSERT(tail == tail_orig + shift); + } + } + + CU_ASSERT(odp_packet_len(*pkt) == pkt_data_len + shift); if (shift >= 0) { - CU_ASSERT(odp_packet_tail(pkt) == tail_orig + shift); CU_ASSERT(tail == tail_orig); } else { - CU_ASSERT(odp_packet_tail(pkt) == tail); - CU_ASSERT(tail == tail_orig + shift); + CU_ASSERT(odp_packet_tail(*pkt) == tail); } } void packet_test_tailroom(void) { - odp_packet_t pkt = test_packet; + odp_packet_t pkt = odp_packet_copy(test_packet, + odp_packet_pool(test_packet)); odp_packet_seg_t segment; uint32_t room; uint32_t seg_data_len; uint32_t push_val, pull_val; + CU_ASSERT_FATAL(pkt != ODP_PACKET_INVALID); + segment = odp_packet_last_seg(pkt); CU_ASSERT(segment != ODP_PACKET_SEG_INVALID); room = odp_packet_tailroom(pkt); @@ -483,10 +561,18 @@ void packet_test_tailroom(void) /* Leave one byte in a tailroom for odp_packet_tail() to succeed */ push_val = (room > 0) ? room - 1 : room; - _verify_tailroom_shift(pkt, -pull_val); - _verify_tailroom_shift(pkt, push_val + pull_val); - _verify_tailroom_shift(pkt, -push_val); - _verify_tailroom_shift(pkt, 0); + _verify_tailroom_shift(&pkt, -pull_val); + _verify_tailroom_shift(&pkt, push_val + pull_val); + _verify_tailroom_shift(&pkt, -push_val); + _verify_tailroom_shift(&pkt, 0); + + if (segmentation_supported) { + _verify_tailroom_shift(&pkt, pull_val); + _verify_tailroom_shift(&pkt, 0); + _verify_tailroom_shift(&pkt, -pull_val); + } + + odp_packet_free(pkt); } void packet_test_segments(void) @@ -867,13 +953,13 @@ odp_testinfo_t packet_suite[] = { ODP_TEST_INFO(packet_test_alloc_segmented), ODP_TEST_INFO(packet_test_basic_metadata), ODP_TEST_INFO(packet_test_debug), + ODP_TEST_INFO(packet_test_segments), ODP_TEST_INFO(packet_test_length), ODP_TEST_INFO(packet_test_headroom), ODP_TEST_INFO(packet_test_tailroom), ODP_TEST_INFO(packet_test_context), ODP_TEST_INFO(packet_test_event_conversion), ODP_TEST_INFO(packet_test_layer_offsets), - ODP_TEST_INFO(packet_test_segments), ODP_TEST_INFO(packet_test_segment_last), ODP_TEST_INFO(packet_test_in_flags), ODP_TEST_INFO(packet_test_error_flags),