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GET /api/patches/46600/?format=api
{ "id": 46600, "url": "https://patches.dpdk.org/api/patches/46600/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1539257335-59106-5-git-send-email-cristian.dumitrescu@intel.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1539257335-59106-5-git-send-email-cristian.dumitrescu@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1539257335-59106-5-git-send-email-cristian.dumitrescu@intel.com", "date": "2018-10-11T11:28:52", "name": "[v3,5/8] pipeline: add table action for packet decap", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "8f4171ffaf0847fc01ba35443f50ccb2a28d800a", "submitter": { "id": 19, "url": "https://patches.dpdk.org/api/people/19/?format=api", "name": "Cristian Dumitrescu", "email": "cristian.dumitrescu@intel.com" }, "delegate": { "id": 10018, "url": "https://patches.dpdk.org/api/users/10018/?format=api", "username": "cristian_dumitrescu", "first_name": "Cristian", "last_name": "Dumitrescu", "email": "cristian.dumitrescu@intel.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1539257335-59106-5-git-send-email-cristian.dumitrescu@intel.com/mbox/", "series": [ { "id": 1833, "url": "https://patches.dpdk.org/api/series/1833/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=1833", "date": "2018-10-11T11:28:51", "name": "[v3,1/8] pipeline: add table action for packet tag", "version": 3, "mbox": "https://patches.dpdk.org/series/1833/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/46600/comments/", "check": "warning", "checks": "https://patches.dpdk.org/api/patches/46600/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id D21611B539;\n\tThu, 11 Oct 2018 13:31:20 +0200 (CEST)", "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n\tby dpdk.org (Postfix) with ESMTP id C3C9D1B50F\n\tfor <dev@dpdk.org>; Thu, 11 Oct 2018 13:31:11 +0200 (CEST)", "from fmsmga004.fm.intel.com ([10.253.24.48])\n\tby orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t11 Oct 2018 04:31:10 -0700", "from silpixa00382658.ir.intel.com ([10.237.223.29])\n\tby fmsmga004.fm.intel.com with ESMTP; 11 Oct 2018 04:29:14 -0700" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.54,368,1534834800\"; d=\"scan'208\";a=\"96594782\"", "From": "Cristian Dumitrescu <cristian.dumitrescu@intel.com>", "To": "dev@dpdk.org", "Date": "Thu, 11 Oct 2018 12:28:52 +0100", "Message-Id": "<1539257335-59106-5-git-send-email-cristian.dumitrescu@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1539257335-59106-1-git-send-email-cristian.dumitrescu@intel.com>", "References": "<1539257335-59106-1-git-send-email-cristian.dumitrescu@intel.com>", "Subject": "[dpdk-dev] [PATCH v3 5/8] pipeline: add table action for packet\n\tdecap", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This patch introduces a new table action for packet decapsulation\nwhich removes n bytes from the start of the input packet. The n\nis read from the current table entry. The following mbuf fields\nare updated by the action: data_off, data_len, pkt_len.\n\nSigned-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>\n---\n lib/librte_pipeline/rte_table_action.c | 111 +++++++++++++++++++++++++++++++++\n lib/librte_pipeline/rte_table_action.h | 12 ++++\n 2 files changed, 123 insertions(+)\n mode change 100644 => 100755 lib/librte_pipeline/rte_table_action.c", "diff": "diff --git a/lib/librte_pipeline/rte_table_action.c b/lib/librte_pipeline/rte_table_action.c\nold mode 100644\nnew mode 100755\nindex fb7eaf9..537e659\n--- a/lib/librte_pipeline/rte_table_action.c\n+++ b/lib/librte_pipeline/rte_table_action.c\n@@ -2056,6 +2056,83 @@ pkt4_work_tag(struct rte_mbuf *mbuf0,\n }\n \n /**\n+ * RTE_TABLE_ACTION_DECAP\n+ */\n+struct decap_data {\n+\tuint16_t n;\n+} __attribute__((__packed__));\n+\n+static int\n+decap_apply(struct decap_data *data,\n+\tstruct rte_table_action_decap_params *p)\n+{\n+\tdata->n = p->n;\n+\treturn 0;\n+}\n+\n+static __rte_always_inline void\n+pkt_work_decap(struct rte_mbuf *mbuf,\n+\tstruct decap_data *data)\n+{\n+\tuint16_t data_off = mbuf->data_off;\n+\tuint16_t data_len = mbuf->data_len;\n+\tuint32_t pkt_len = mbuf->pkt_len;\n+\tuint16_t n = data->n;\n+\n+\tmbuf->data_off = data_off + n;\n+\tmbuf->data_len = data_len - n;\n+\tmbuf->pkt_len = pkt_len - n;\n+}\n+\n+static __rte_always_inline void\n+pkt4_work_decap(struct rte_mbuf *mbuf0,\n+\tstruct rte_mbuf *mbuf1,\n+\tstruct rte_mbuf *mbuf2,\n+\tstruct rte_mbuf *mbuf3,\n+\tstruct decap_data *data0,\n+\tstruct decap_data *data1,\n+\tstruct decap_data *data2,\n+\tstruct decap_data *data3)\n+{\n+\tuint16_t data_off0 = mbuf0->data_off;\n+\tuint16_t data_len0 = mbuf0->data_len;\n+\tuint32_t pkt_len0 = mbuf0->pkt_len;\n+\n+\tuint16_t data_off1 = mbuf1->data_off;\n+\tuint16_t data_len1 = mbuf1->data_len;\n+\tuint32_t pkt_len1 = mbuf1->pkt_len;\n+\n+\tuint16_t data_off2 = mbuf2->data_off;\n+\tuint16_t data_len2 = mbuf2->data_len;\n+\tuint32_t pkt_len2 = mbuf2->pkt_len;\n+\n+\tuint16_t data_off3 = mbuf3->data_off;\n+\tuint16_t data_len3 = mbuf3->data_len;\n+\tuint32_t pkt_len3 = mbuf3->pkt_len;\n+\n+\tuint16_t n0 = data0->n;\n+\tuint16_t n1 = data1->n;\n+\tuint16_t n2 = data2->n;\n+\tuint16_t n3 = data3->n;\n+\n+\tmbuf0->data_off = data_off0 + n0;\n+\tmbuf0->data_len = data_len0 - n0;\n+\tmbuf0->pkt_len = pkt_len0 - n0;\n+\n+\tmbuf1->data_off = data_off1 + n1;\n+\tmbuf1->data_len = data_len1 - n1;\n+\tmbuf1->pkt_len = pkt_len1 - n1;\n+\n+\tmbuf2->data_off = data_off2 + n2;\n+\tmbuf2->data_len = data_len2 - n2;\n+\tmbuf2->pkt_len = pkt_len2 - n2;\n+\n+\tmbuf3->data_off = data_off3 + n3;\n+\tmbuf3->data_len = data_len3 - n3;\n+\tmbuf3->pkt_len = pkt_len3 - n3;\n+}\n+\n+/**\n * Action profile\n */\n static int\n@@ -2073,6 +2150,7 @@ action_valid(enum rte_table_action_type action)\n \tcase RTE_TABLE_ACTION_TIME:\n \tcase RTE_TABLE_ACTION_SYM_CRYPTO:\n \tcase RTE_TABLE_ACTION_TAG:\n+\tcase RTE_TABLE_ACTION_DECAP:\n \t\treturn 1;\n \tdefault:\n \t\treturn 0;\n@@ -2210,6 +2288,9 @@ action_data_size(enum rte_table_action_type action,\n \tcase RTE_TABLE_ACTION_TAG:\n \t\treturn sizeof(struct tag_data);\n \n+\tcase RTE_TABLE_ACTION_DECAP:\n+\t\treturn sizeof(struct decap_data);\n+\n \tdefault:\n \t\treturn 0;\n \t}\n@@ -2471,6 +2552,10 @@ rte_table_action_apply(struct rte_table_action *action,\n \t\treturn tag_apply(action_data,\n \t\t\taction_params);\n \n+\tcase RTE_TABLE_ACTION_DECAP:\n+\t\treturn decap_apply(action_data,\n+\t\t\taction_params);\n+\n \tdefault:\n \t\treturn -EINVAL;\n \t}\n@@ -2801,6 +2886,14 @@ pkt_work(struct rte_mbuf *mbuf,\n \t\t\tdscp);\n \t}\n \n+\tif (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_DECAP)) {\n+\t\tvoid *data = action_data_get(table_entry,\n+\t\t\taction,\n+\t\t\tRTE_TABLE_ACTION_DECAP);\n+\n+\t\tpkt_work_decap(mbuf, data);\n+\t}\n+\n \tif (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_ENCAP)) {\n \t\tvoid *data =\n \t\t\taction_data_get(table_entry, action, RTE_TABLE_ACTION_ENCAP);\n@@ -3034,6 +3127,24 @@ pkt4_work(struct rte_mbuf **mbufs,\n \t\t\tdscp3);\n \t}\n \n+\tif (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_DECAP)) {\n+\t\tvoid *data0 = action_data_get(table_entry0,\n+\t\t\taction,\n+\t\t\tRTE_TABLE_ACTION_DECAP);\n+\t\tvoid *data1 = action_data_get(table_entry1,\n+\t\t\taction,\n+\t\t\tRTE_TABLE_ACTION_DECAP);\n+\t\tvoid *data2 = action_data_get(table_entry2,\n+\t\t\taction,\n+\t\t\tRTE_TABLE_ACTION_DECAP);\n+\t\tvoid *data3 = action_data_get(table_entry3,\n+\t\t\taction,\n+\t\t\tRTE_TABLE_ACTION_DECAP);\n+\n+\t\tpkt4_work_decap(mbuf0, mbuf1, mbuf2, mbuf3,\n+\t\t\tdata0, data1, data2, data3);\n+\t}\n+\n \tif (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_ENCAP)) {\n \t\tvoid *data0 =\n \t\t\taction_data_get(table_entry0, action, RTE_TABLE_ACTION_ENCAP);\ndiff --git a/lib/librte_pipeline/rte_table_action.h b/lib/librte_pipeline/rte_table_action.h\nindex 5dbb147..c960612 100644\n--- a/lib/librte_pipeline/rte_table_action.h\n+++ b/lib/librte_pipeline/rte_table_action.h\n@@ -99,6 +99,9 @@ enum rte_table_action_type {\n \n \t/** Tag. */\n \tRTE_TABLE_ACTION_TAG,\n+\n+\t/** Packet decapsulations. */\n+\tRTE_TABLE_ACTION_DECAP,\n };\n \n /** Common action configuration (per table action profile). */\n@@ -783,6 +786,15 @@ struct rte_table_action_tag_params {\n };\n \n /**\n+ * RTE_TABLE_ACTION_DECAP\n+ */\n+/** Decap action parameters (per table rule). */\n+struct rte_table_action_decap_params {\n+\t/** Number of bytes to be removed from the start of the packet. */\n+\tuint16_t n;\n+};\n+\n+/**\n * Table action profile.\n */\n struct rte_table_action_profile;\n", "prefixes": [ "v3", "5/8" ] }