From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id B4D14A0096 for ; Fri, 15 Mar 2019 10:45:00 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 88E1B4C9C; Fri, 15 Mar 2019 10:44:59 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 201792C24; Fri, 15 Mar 2019 10:44:55 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Mar 2019 02:44:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,481,1544515200"; d="scan'208";a="134284405" Received: from irsmsx109.ger.corp.intel.com ([163.33.3.23]) by orsmga003.jf.intel.com with ESMTP; 15 Mar 2019 02:44:53 -0700 Received: from irsmsx105.ger.corp.intel.com ([169.254.7.210]) by IRSMSX109.ger.corp.intel.com ([169.254.13.26]) with mapi id 14.03.0415.000; Fri, 15 Mar 2019 09:44:52 +0000 From: "Ananyev, Konstantin" To: "Zhao1, Wei" , "dev@dpdk.org" CC: "stable@dpdk.org" , "Zhang, Qi Z" , "adrien.mazarguil@6wind.com" , "Zhao1, Wei" Thread-Topic: [dpdk-dev] [PATCH] app/testpmd: fix support of hex string parser for flow API Thread-Index: AQHU2w8m9CqXDwnc9ka7SEdDUAG4IKYMcQOA Date: Fri, 15 Mar 2019 09:44:52 +0000 Message-ID: <2601191342CEEE43887BDE71AB977258013655BE6C@irsmsx105.ger.corp.intel.com> References: <1552639435-68184-1-git-send-email-wei.zhao1@intel.com> In-Reply-To: <1552639435-68184-1-git-send-email-wei.zhao1@intel.com> Accept-Language: en-IE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMzI3ZGU3N2MtMGYxZS00ZTJiLWE0ZTEtMmRmN2M2Mjc3ZWVjIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiMHlZeTRMTkQzTGdQWGtSdDhCeTd5QzFwQisrNERjQTZJSU1mVVh4YUt5a1NqNU9YRkY4NzcxSUVhc3RUMlFyUiJ9 x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [163.33.239.182] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] app/testpmd: fix support of hex string parser for flow API X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi Wei, >=20 > There is need for users to set configuration of HEX number for RSS > key. The key byte should be pass down as hex number not as char > string. This patch enable cmdline flow parse HEX number, > in order to not using string which pass ASIC number. >=20 > Fixes: f4d623f96119 ("app/testpmd: fix missing RSS fields in flow action"= ) > Cc: stable@dpdk.org >=20 > Signed-off-by: Wei Zhao > --- > app/test-pmd/cmdline_flow.c | 141 ++++++++++++++++++++++++++++++++++++++= +++++- > 1 file changed, 140 insertions(+), 1 deletion(-) >=20 > diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c > index 36659a6..2445731 100644 > --- a/app/test-pmd/cmdline_flow.c > +++ b/app/test-pmd/cmdline_flow.c > @@ -35,6 +35,7 @@ enum index { > PREFIX, > BOOLEAN, > STRING, > + HEX, > MAC_ADDR, > IPV4_ADDR, > IPV6_ADDR, > @@ -1122,6 +1123,9 @@ static int parse_boolean(struct context *, const st= ruct token *, > static int parse_string(struct context *, const struct token *, > const char *, unsigned int, > void *, unsigned int); > +static int parse_hex(struct context *ctx, const struct token *token, > + const char *str, unsigned int len, > + void *buf, unsigned int size); > static int parse_mac_addr(struct context *, const struct token *, > const char *, unsigned int, > void *, unsigned int); > @@ -1198,6 +1202,13 @@ static const struct token token_list[] =3D { > .call =3D parse_string, > .comp =3D comp_none, > }, > + [HEX] =3D { > + .name =3D "{hex}", > + .type =3D "HEX", > + .help =3D "fixed string", > + .call =3D parse_hex, > + .comp =3D comp_none, > + }, > [MAC_ADDR] =3D { > .name =3D "{MAC address}", > .type =3D "MAC-48", > @@ -1544,7 +1555,7 @@ static const struct token token_list[] =3D { > .name =3D "pattern", > .help =3D "byte string to look for", > .next =3D NEXT(item_raw, > - NEXT_ENTRY(STRING), > + NEXT_ENTRY(HEX), > NEXT_ENTRY(ITEM_PARAM_IS, > ITEM_PARAM_SPEC, > ITEM_PARAM_MASK)), > @@ -4475,6 +4486,134 @@ parse_string(struct context *ctx, const struct to= ken *token, > return -1; > } >=20 > +static uint32_t > +get_hex_val(char c) > +{ > + switch (c) { > + case '0': case '1': case '2': case '3': case '4': case '5': > + case '6': case '7': case '8': case '9': > + return c - '0'; > + case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': > + return c - 'A' + 10; > + case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': > + return c - 'a' + 10; > + default: > + return 0; > + } > +} > + > +static int > +parse_hex_string(const char *src, uint8_t *dst, uint32_t *size) > +{ > + const char *c; > + uint32_t i; > + > + /* Check input parameters */ > + if ((src =3D=3D NULL) || > + (dst =3D=3D NULL) || > + (size =3D=3D NULL) || > + (*size =3D=3D 0)) > + return -1; > + if ((*size & 1) !=3D 0) > + return -1; > + > + for (c =3D src, i =3D 0; i < *size; c++, i++) { > + if ((((*c) >=3D '0') && ((*c) <=3D '9')) || > + (((*c) >=3D 'A') && ((*c) <=3D 'F')) || > + (((*c) >=3D 'a') && ((*c) <=3D 'f'))) > + continue; > + > + return -1; > + } > + *size =3D *size / 2; > + > + /* Convert chars to bytes */ > + for (i =3D 0; i < *size; i++) > + dst[i] =3D get_hex_val(src[2 * i]) * 16 + > + get_hex_val(src[2 * i + 1]); > + > + return 0; > +} What's wrong with strtoul() and friends? Why you need to write your own version? Konstantin > + > +static int > +parse_hex(struct context *ctx, const struct token *token, > + const char *str, unsigned int len, > + void *buf, unsigned int size) > +{ > + const struct arg *arg_data =3D pop_args(ctx); > + const struct arg *arg_len =3D pop_args(ctx); > + const struct arg *arg_addr =3D pop_args(ctx); > + char tmp[16]; /* Ought to be enough. */ > + int ret; > + unsigned int hexlen =3D len; > + uint8_t hex_tmp[16]; > + > + /* Arguments are expected. */ > + if (!arg_data) > + return -1; > + if (!arg_len) { > + push_args(ctx, arg_data); > + return -1; > + } > + if (!arg_addr) { > + push_args(ctx, arg_len); > + push_args(ctx, arg_data); > + return -1; > + } > + size =3D arg_data->size; > + /* Bit-mask fill is not supported. */ > + if (arg_data->mask || size < len) > + goto error; > + if (!ctx->object) > + return len; > + > + /* translate bytes string to array. */ > + if (str[0] =3D=3D '0' && ((str[1] =3D=3D 'x') || > + (str[1] =3D=3D 'X'))) { > + str +=3D 2; > + hexlen -=3D 2; > + } > + parse_hex_string(str, hex_tmp, &hexlen); > + /* Let parse_int() fill length information first. */ > + ret =3D snprintf(tmp, sizeof(tmp), "%u", hexlen); > + if (ret < 0) > + goto error; > + push_args(ctx, arg_len); > + ret =3D parse_int(ctx, token, tmp, ret, NULL, 0); > + if (ret < 0) { > + pop_args(ctx); > + goto error; > + } > + buf =3D (uint8_t *)ctx->object + arg_data->offset; > + /* Output buffer is not necessarily NUL-terminated. */ > + memcpy(buf, hex_tmp, hexlen); > + memset((uint8_t *)buf + len, 0x00, size - hexlen); > + if (ctx->objmask) > + memset((uint8_t *)ctx->objmask + arg_data->offset, > + 0xff, hexlen); > + /* Save address if requested. */ > + if (arg_addr->size) { > + memcpy((uint8_t *)ctx->object + arg_addr->offset, > + (void *[]){ > + (uint8_t *)ctx->object + arg_data->offset > + }, > + arg_addr->size); > + if (ctx->objmask) > + memcpy((uint8_t *)ctx->objmask + arg_addr->offset, > + (void *[]){ > + (uint8_t *)ctx->objmask + arg_data->offset > + }, > + arg_addr->size); > + } > + return len; > +error: > + push_args(ctx, arg_addr); > + push_args(ctx, arg_len); > + push_args(ctx, arg_data); > + return -1; > + > +} > + > /** > * Parse a MAC address. > * > -- > 2.7.5