net/softnic: support VXLAN encap

Add CLI support for VXLAN encap.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>

diff --git a/drivers/net/softnic/rte_eth_softnic_cli.c b/drivers/net/softnic/rte_eth_softnic_cli.c
index 2ddd936..613ec7e 100644 (file)
--- 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;
 }