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 0ECA6A05FE for ; Tue, 19 Mar 2019 06:24:02 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D27EB239; Tue, 19 Mar 2019 06:24:00 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 6ED54A3; Tue, 19 Mar 2019 06:23:59 +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 fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Mar 2019 22:23:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,496,1544515200"; d="scan'208";a="135229705" Received: from pgsmsx108.gar.corp.intel.com ([10.221.44.103]) by orsmga003.jf.intel.com with ESMTP; 18 Mar 2019 22:23:56 -0700 Received: from pgsmsx103.gar.corp.intel.com ([169.254.2.210]) by PGSMSX108.gar.corp.intel.com ([169.254.8.195]) with mapi id 14.03.0415.000; Tue, 19 Mar 2019 13:23:55 +0800 From: "Zhao1, Wei" To: "dev@dpdk.org" CC: "stable@dpdk.org" , "Zhang, Qi Z" , "Lu, Wenzhuo" , "Ananyev, Konstantin" , "Peng, Yuan" , "Yigit, Ferruh" Thread-Topic: [PATCH v2] app/testpmd: fix support of hex string parser for flow API Thread-Index: AQHU3Wa6C/6IvmjBv0O55SXq9+6icKYSbJsQ Date: Tue, 19 Mar 2019 05:23:55 +0000 Message-ID: References: <1552639435-68184-1-git-send-email-wei.zhao1@intel.com> <1552896961-33681-1-git-send-email-wei.zhao1@intel.com> In-Reply-To: <1552896961-33681-1-git-send-email-wei.zhao1@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [172.30.20.205] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v2] app/testpmd: fix support of hex string parser for flow API 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Message-ID: <20190319052355.0uiptBkJA0IiVNt44TncQlY8mZz9xR6CmNxOI-kOBKk@z> Send on behalf of pengyuan Tested-by: Peng Yuan - Tested Branch: master - Tested Commit: 239912fa798e6e671072ca7ff987afd74c1e506c - OS: 4.13.9-300.fc27.x86_64 - GCC: gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5) - CPU: Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz - NIC: Intel Corporation Device Fortville [8086:1583] - Default x86_64-native-linuxapp-gcc configuration - Prerequisites: - Total 1 case1, 1 passed, 0 failed - Case steps: 1. Bind the pf port to dpdk driver: ./usertools/dpdk-devbind.py -b igb_uio 05:00.0 05:00.1 2. start testpmd: ./x86_64-native-linuxapp-gcc/app/testpmd -c 1ffff -n 4 - -i --nb-cores=3D8 = --rxq=3D4 --txq=3D4 --port-topology=3Dchained 3. testpmd> flow create 0 ingress pattern end actions rss types ipv4-udp= end key 1234567890123456789012345678901234567890FFFFFFFFFFFF12345678901234= 56789012345678901234567890FFFFFFFFFFFF / end testpmd> show port 0 rss-hash key RSS functions: ipv4-udp udp RSS key: 1234567890123456789012345678901234567890FFFFFFFFFFFF1234567890123456789= 012345678901234567890FFFFFFFFFFFF 52bytes key can be set successfully. > -----Original Message----- > From: Zhao1, Wei > Sent: Monday, March 18, 2019 4:16 PM > To: dev@dpdk.org > Cc: stable@dpdk.org; Zhang, Qi Z ; Lu, Wenzhuo > ; Ananyev, Konstantin > ; Zhao1, Wei > Subject: [PATCH v2] app/testpmd: fix support of hex string parser for flo= w > API >=20 > There is need for users to set configuration of HEX number for RSS key. T= he > 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 >=20 > --- >=20 > v2: > fix bug of string length limite. > --- > app/test-pmd/cmdline_flow.c | 146 > +++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 145 insertions(+), 1 deletion(-) >=20 > diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c > index 36659a6..7d263c6 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 > struct token *, static int parse_string(struct context *, const struct t= oken *, > 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", > @@ -2306,7 +2317,7 @@ static const struct token token_list[] =3D { > [ACTION_RSS_KEY] =3D { > .name =3D "key", > .help =3D "RSS hash key", > - .next =3D NEXT(action_rss, NEXT_ENTRY(STRING)), > + .next =3D NEXT(action_rss, NEXT_ENTRY(HEX)), > .args =3D ARGS(ARGS_ENTRY_ARB(0, 0), > ARGS_ENTRY_ARB > (offsetof(struct action_rss_data, conf) + @@ - > 4475,6 +4486,139 @@ parse_string(struct context *ctx, const struct token > *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; > +} > + > +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; > + unsigned int length =3D 256; > + uint8_t hex_tmp[length]; > + > + /* 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) > + 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; > + } > + if (hexlen > length) > + return -1; > + ret =3D parse_hex_string(str, hex_tmp, &hexlen); > + if (ret < 0) > + goto error; > + /* 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