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Tue, 28 Mar 2017 20:23:10 +0100 From: "De Lara Guarch, Pablo" To: "Singh, Jasvinder" , "dev@dpdk.org" CC: "olivier.matz@6wind.com" , "Doherty, Declan" Thread-Topic: [PATCH v5 2/2] test/test: add unit test for CRC computation Thread-Index: AQHSolBz1I6IUfFH4UaJArOVmyo4C6Gqmbsw Date: Tue, 28 Mar 2017 19:23:10 +0000 Message-ID: References: <1490038180-207288-2-git-send-email-jasvinder.singh@intel.com> <1490107540-66614-1-git-send-email-jasvinder.singh@intel.com> <1490107540-66614-3-git-send-email-jasvinder.singh@intel.com> In-Reply-To: <1490107540-66614-3-git-send-email-jasvinder.singh@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMWUxMTc3N2UtYjI1ZC00NmYwLWE2OTgtZjliMDliNjNlODk0IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjkuNi42IiwiVHJ1c3RlZExhYmVsSGFzaCI6IlJ3N0tjS3ZNS1ZtQytWdnNaS0JaNUFuaW5CTFNSQWxcL24yNGNYbHJzbFVnPSJ9 x-ctpclassification: CTP_IC x-originating-ip: [163.33.239.180] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v5 2/2] test/test: add unit test for CRC computation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Mar 2017 19:23:14 -0000 Hi Jasvinder, > -----Original Message----- > From: Singh, Jasvinder > Sent: Tuesday, March 21, 2017 2:46 PM > To: dev@dpdk.org > Cc: olivier.matz@6wind.com; Doherty, Declan; De Lara Guarch, Pablo > Subject: [PATCH v5 2/2] test/test: add unit test for CRC computation >=20 > This patch provides a set of tests for verifying the functional > correctness of 16-bit and 32-bit CRC APIs. >=20 > Signed-off-by: Jasvinder Singh > --- > test/test/Makefile | 2 + > test/test/test_crc.c | 223 > +++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 225 insertions(+) > create mode 100644 test/test/test_crc.c >=20 > diff --git a/test/test/test_crc.c b/test/test/test_crc.c > new file mode 100644 > index 0000000..2eb0bff > --- /dev/null > +++ b/test/test/test_crc.c > @@ -0,0 +1,223 @@ > + > +#include "test.h" > + > +#define CRC_VEC_LEN 32 Unnecessary extra tab. > +#define CRC32_VEC_LEN1 1512 > +#define CRC32_VEC_LEN2 348 > +#define CRC16_VEC_LEN1 12 > +#define CRC16_VEC_LEN2 2 > +#define LINE_LEN 75 I would align this to the other values above. ... > + > +/* 16-bit CRC test vector 1*/ Extra space before "*/". > +static const uint8_t crc16_vec1[CRC16_VEC_LEN1] =3D { > + 0x0D, 0x01, 0x01, 0x23, 0x45, 0x67, > + 0x89, 0x01, 0x23, 0x45, 0x00, 0x01, > +}; > + > +/* 16-bit CRC test vector 2*/ Same here. > +static const uint8_t crc16_vec2[CRC16_VEC_LEN2] =3D { > + 0x03, 0x3f, > +}; > +/** CRC results */ > +uint32_t crc32_vec_res, crc32_vec1_res, crc32_vec2_res; > +uint32_t crc16_vec_res, crc16_vec1_res, crc16_vec2_res; > + > +static int > +crc_calc(const uint8_t *vec, > + uint32_t vec_len, > + enum rte_net_crc_type type) > +{ > + /* compute CRC */ > + uint32_t ret =3D rte_net_crc_calc(vec, vec_len, type); > + > + /* dump data on console*/ Same here. > + rte_hexdump(stdout, NULL, vec, vec_len); I would use TEST_HEXDUMP, which dumps the stream only if debug is enabled (= to avoid too much output). > + > + return ret; > +} > + > +static void > +crc_calc_scalar(void) > +{ > + uint32_t i; > + enum rte_net_crc_type type; > + uint8_t *test_data; > + > + /* 32-bit ethernet CRC: scalar result */ > + type =3D RTE_NET_CRC32_ETH; > + crc32_vec_res =3D crc_calc(crc_vec, > + CRC_VEC_LEN, > + type); Remove unnecessary tabs (more of this in the rest of the file). > + > + /* 32-bit ethernet CRC scalar result*/ > + test_data =3D rte_zmalloc(NULL, CRC32_VEC_LEN1, 0); > + > + for (i =3D 0; i < CRC32_VEC_LEN1; i +=3D 12) > + rte_memcpy(&test_data[i], crc32_vec1, 12); Wrong indentation (more of this in the rest of the file). Also, why not just one memcpy call, with CRC32_VEC_LEN1. A comment would be good to explain why. ... > +static int > +test_crc(void) { Looks strange to start the parameters in a new line. I would say you can start in the same line as the function name. > + uint32_t i; > + enum rte_net_crc_type type; > + uint8_t *test_data; > + uint32_t ret; > + > + /* set crc scalar mode */ Probably the references of "crc" in comments should be uppercase "CRC". > + rte_net_crc_set_alg(RTE_NET_CRC_SCALAR); > + crc_calc_scalar(); > + > + /* set crc sse4.2 mode */ > + rte_net_crc_set_alg(RTE_NET_CRC_SSE42); > + > + /* 32-bit ethernet CRC: Test 1 */ > + type =3D RTE_NET_CRC32_ETH; > + > + ret =3D crc_calc(crc_vec, > + CRC_VEC_LEN, > + type); > + if (ret !=3D crc32_vec_res) { > + printf("test_crc(32-bit): test1 failed !\n"); Extra space before "!" (keep consistency with the other printfs). > + return -1; > + } > + > + /* 32-bit ethernet CRC: Test 2 */ > + test_data =3D rte_zmalloc(NULL, CRC32_VEC_LEN1, 0); Free the memory after the test (also for other calls).