From patchwork Fri Oct 12 11:52:07 2018
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
X-Patchwork-Id: 46720
X-Patchwork-Delegate: cristian.dumitrescu@intel.com
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])
	by dpdk.org (Postfix) with ESMTP id B7D9F1B615;
	Fri, 12 Oct 2018 13:52:27 +0200 (CEST)
Received: from mga14.intel.com (mga14.intel.com [192.55.52.115])
	by dpdk.org (Postfix) with ESMTP id 70C9E1B612
	for <dev@dpdk.org>; Fri, 12 Oct 2018 13:52:26 +0200 (CEST)
X-Amp-Result: SKIPPED(no attachment in message)
X-Amp-File-Uploaded: False
Received: from orsmga003.jf.intel.com ([10.7.209.27])
	by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;
	12 Oct 2018 04:52:25 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.54,372,1534834800"; d="scan'208";a="91417385"
Received: from silpixa00382658.ir.intel.com ([10.237.223.29])
	by orsmga003.jf.intel.com with ESMTP; 12 Oct 2018 04:52:24 -0700
From: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
To: dev@dpdk.org
Date: Fri, 12 Oct 2018 12:52:07 +0100
Message-Id: <1539345127-179889-1-git-send-email-cristian.dumitrescu@intel.com>
X-Mailer: git-send-email 2.7.4
Subject: [dpdk-dev] [PATCH] net/softnic: add support for vxlan encap
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>,
	<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>,
	<mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

Add CLI support for VXLAN encap.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
 drivers/net/softnic/rte_eth_softnic_cli.c | 179 +++++++++++++++++++++++++++++-
 1 file changed, 176 insertions(+), 3 deletions(-)

diff --git a/drivers/net/softnic/rte_eth_softnic_cli.c b/drivers/net/softnic/rte_eth_softnic_cli.c
index 2ddd936..613ec7e 100644
--- a/drivers/net/softnic/rte_eth_softnic_cli.c
+++ b/drivers/net/softnic/rte_eth_softnic_cli.c
@@ -1272,7 +1272,8 @@ cmd_port_in_action_profile(struct pmd_internals *softnic,
  *      tc <n_tc>
  *      stats none | pkts | bytes | both]
  *  [tm spp <n_subports_per_port> pps <n_pipes_per_subport>]
- *  [encap ether | vlan | qinq | mpls | pppoe]
+ *  [encap ether | vlan | qinq | mpls | pppoe |
+ *      vxlan offset <ether_offset> ipv4 | ipv6 vlan on | off]
  *  [nat src | dst
  *      proto udp | tcp]
  *  [ttl drop | fwd
@@ -1480,6 +1481,8 @@ cmd_table_action_profile(struct pmd_internals *softnic,
 
 	if (t0 < n_tokens &&
 		(strcmp(tokens[t0], "encap") == 0)) {
+		uint32_t n_extra_tokens = 0;
+
 		if (n_tokens < t0 + 2) {
 			snprintf(out, out_size, MSG_ARG_MISMATCH,
 				"action profile encap");
@@ -1496,13 +1499,61 @@ cmd_table_action_profile(struct pmd_internals *softnic,
 			p.encap.encap_mask = 1LLU << RTE_TABLE_ACTION_ENCAP_MPLS;
 		} else if (strcmp(tokens[t0 + 1], "pppoe") == 0) {
 			p.encap.encap_mask = 1LLU << RTE_TABLE_ACTION_ENCAP_PPPOE;
+		} else if (strcmp(tokens[t0 + 1], "vxlan") == 0) {
+			if (n_tokens < t0 + 2 + 5) {
+				snprintf(out, out_size, MSG_ARG_MISMATCH,
+					"action profile encap vxlan");
+				return;
+			}
+
+			if (strcmp(tokens[t0 + 2], "offset") != 0) {
+				snprintf(out, out_size, MSG_ARG_NOT_FOUND,
+					"vxlan: offset");
+				return;
+			}
+
+			if (softnic_parser_read_uint32(&p.encap.vxlan.data_offset,
+				tokens[t0 + 2 + 1]) != 0) {
+				snprintf(out, out_size, MSG_ARG_INVALID,
+					"vxlan: ether_offset");
+				return;
+			}
+
+			if (strcmp(tokens[t0 + 2 + 2], "ipv4") == 0)
+				p.encap.vxlan.ip_version = 1;
+			else if (strcmp(tokens[t0 + 2 + 2], "ipv6") == 0)
+				p.encap.vxlan.ip_version = 0;
+			else {
+				snprintf(out, out_size, MSG_ARG_INVALID,
+					"vxlan: ipv4 or ipv6");
+				return;
+			}
+
+			if (strcmp(tokens[t0 + 2 + 3], "vlan") != 0) {
+				snprintf(out, out_size, MSG_ARG_NOT_FOUND,
+					"vxlan: vlan");
+				return;
+			}
+
+			if (strcmp(tokens[t0 + 2 + 4], "on") == 0)
+				p.encap.vxlan.vlan = 1;
+			else if (strcmp(tokens[t0 + 2 + 4], "off") == 0)
+				p.encap.vxlan.vlan = 0;
+			else {
+				snprintf(out, out_size, MSG_ARG_INVALID,
+					"vxlan: on or off");
+				return;
+			}
+
+			p.encap.encap_mask = 1LLU << RTE_TABLE_ACTION_ENCAP_VXLAN;
+			n_extra_tokens = 5;
+
 		} else {
 			snprintf(out, out_size, MSG_ARG_MISMATCH, "encap");
 			return;
 		}
-
 		p.action_mask |= 1LLU << RTE_TABLE_ACTION_ENCAP;
-		t0 += 2;
+		t0 += 2 + n_extra_tokens;
 	} /* encap */
 
 	if (t0 < n_tokens &&
@@ -3186,6 +3237,12 @@ parse_match(char **tokens,
  *          [label2 <label> <tc> <ttl>
  *          [label3 <label> <tc> <ttl>]]]
  *       | pppoe <da> <sa> <session_id>]
+ *       | vxlan ether <da> <sa>
+ *          [vlan <pcp> <dei> <vid>]
+ *          ipv4 <sa> <da> <dscp> <ttl>
+ *          | ipv6 <sa> <da> <flow_label> <dscp> <hop_limit>
+ *          udp <sp> <dp>
+ *          vxlan <vni>]
  *    [nat ipv4 | ipv6 <addr> <port>]
  *    [ttl dec | keep]
  *    [stats]
@@ -3587,6 +3644,122 @@ parse_table_action_encap(char **tokens,
 		return 1 + 4;
 	}
 
+	/* vxlan */
+	if (n_tokens && (strcmp(tokens[0], "vxlan") == 0)) {
+		uint32_t n = 0;
+
+		n_tokens--;
+		tokens++;
+		n++;
+
+		/* ether <da> <sa> */
+		if ((n_tokens < 3) ||
+			strcmp(tokens[0], "ether") ||
+			softnic_parse_mac_addr(tokens[1], &a->encap.vxlan.ether.da) ||
+			softnic_parse_mac_addr(tokens[2], &a->encap.vxlan.ether.sa))
+			return 0;
+
+		n_tokens -= 3;
+		tokens += 3;
+		n += 3;
+
+		/* [vlan <pcp> <dei> <vid>] */
+		if (strcmp(tokens[0], "vlan") == 0) {
+			uint32_t pcp, dei, vid;
+
+			if ((n_tokens < 4) ||
+				softnic_parser_read_uint32(&pcp, tokens[1]) ||
+				(pcp > 7) ||
+				softnic_parser_read_uint32(&dei, tokens[2]) ||
+				(dei > 1) ||
+				softnic_parser_read_uint32(&vid, tokens[3]) ||
+				(vid > 0xFFF))
+				return 0;
+
+			a->encap.vxlan.vlan.pcp = pcp;
+			a->encap.vxlan.vlan.dei = dei;
+			a->encap.vxlan.vlan.vid = vid;
+
+			n_tokens -= 4;
+			tokens += 4;
+			n += 4;
+		}
+
+		/* ipv4 <sa> <da> <dscp> <ttl>
+		   | ipv6 <sa> <da> <flow_label> <dscp> <hop_limit> */
+		if (strcmp(tokens[0], "ipv4") == 0) {
+			struct in_addr sa, da;
+			uint8_t dscp, ttl;
+
+			if ((n_tokens < 5) ||
+				softnic_parse_ipv4_addr(tokens[1], &sa) ||
+				softnic_parse_ipv4_addr(tokens[2], &da) ||
+				softnic_parser_read_uint8(&dscp, tokens[3]) ||
+				(dscp > 64) ||
+				softnic_parser_read_uint8(&ttl, tokens[4]))
+				return 0;
+
+			a->encap.vxlan.ipv4.sa = rte_be_to_cpu_32(sa.s_addr);
+			a->encap.vxlan.ipv4.da = rte_be_to_cpu_32(da.s_addr);
+			a->encap.vxlan.ipv4.dscp = dscp;
+			a->encap.vxlan.ipv4.ttl = ttl;
+
+			n_tokens -= 5;
+			tokens += 5;
+			n += 5;
+		} else if (strcmp(tokens[0], "ipv6") == 0) {
+			struct in6_addr sa, da;
+			uint32_t flow_label;
+			uint8_t dscp, hop_limit;
+
+			if ((n_tokens < 6) ||
+				softnic_parse_ipv6_addr(tokens[1], &sa) ||
+				softnic_parse_ipv6_addr(tokens[2], &da) ||
+				softnic_parser_read_uint32(&flow_label, tokens[3]) ||
+				softnic_parser_read_uint8(&dscp, tokens[4]) ||
+				(dscp > 64) ||
+				softnic_parser_read_uint8(&hop_limit, tokens[5]))
+				return 0;
+
+			memcpy(a->encap.vxlan.ipv6.sa, sa.s6_addr, 16);
+			memcpy(a->encap.vxlan.ipv6.da, da.s6_addr, 16);
+			a->encap.vxlan.ipv6.flow_label = flow_label;
+			a->encap.vxlan.ipv6.dscp = dscp;
+			a->encap.vxlan.ipv6.hop_limit = hop_limit;
+
+			n_tokens -= 6;
+			tokens += 6;
+			n += 6;
+		} else
+			return 0;
+
+		/* udp <sp> <dp> */
+		if ((n_tokens < 3) ||
+			strcmp(tokens[0], "udp") ||
+			softnic_parser_read_uint16(&a->encap.vxlan.udp.sp, tokens[1]) ||
+			softnic_parser_read_uint16(&a->encap.vxlan.udp.dp, tokens[2]))
+			return 0;
+
+		n_tokens -= 3;
+		tokens += 3;
+		n += 3;
+
+		/* vxlan <vni> */
+		if ((n_tokens < 2) ||
+			strcmp(tokens[0], "vxlan") ||
+			softnic_parser_read_uint32(&a->encap.vxlan.vxlan.vni, tokens[1]) ||
+			(a->encap.vxlan.vxlan.vni > 0xFFFFFF))
+			return 0;
+
+		n_tokens -= 2;
+		tokens += 2;
+		n += 2;
+
+		a->encap.type = RTE_TABLE_ACTION_ENCAP_VXLAN;
+		a->action_mask |= 1 << RTE_TABLE_ACTION_ENCAP;
+		return 1 + n;
+	}
+
 	return 0;
 }