From f5a45680ee1c9c586ab2b037e3d71354789e4403 Mon Sep 17 00:00:00 2001
From: Benoît Ganne <bganne@cisco.com>
Date: Wed, 17 Mar 2021 14:41:33 +0100
Subject: rdma: add support for RSS configuration
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Type: feature

Change-Id: I911ee94b624ef5edf46b34666597eff93df1d1ed
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---
 src/plugins/rdma/rdma.api | 66 +++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 64 insertions(+), 2 deletions(-)

(limited to 'src/plugins/rdma/rdma.api')

diff --git a/src/plugins/rdma/rdma.api b/src/plugins/rdma/rdma.api
index 4519e2316d3..f2c70c7e514 100644
--- a/src/plugins/rdma/rdma.api
+++ b/src/plugins/rdma/rdma.api
@@ -15,7 +15,7 @@
  *------------------------------------------------------------------
  */
 
-option version = "2.0.0";
+option version = "3.0.0";
 import "vnet/interface_types.api";
 
 enum rdma_mode
@@ -25,7 +25,6 @@ enum rdma_mode
   RDMA_API_MODE_DV = 2,
 };
 
-
 /** \brief
     @param client_index - opaque cookie to identify the sender
     @param context - sender context, to match reply w/ request
@@ -67,6 +66,7 @@ define rdma_create
 
 define rdma_create_v2
 {
+  option deprecated;
   u32 client_index;
   u32 context;
 
@@ -81,6 +81,55 @@ define rdma_create_v2
   option vat_help = "<host-if ifname> [name <name>] [rx-queue-size <size>] [tx-queue-size <size>] [num-rx-queues <size>] [mode <auto|ibv|dv>] [no-multi-seg] [max-pktlen <size>]";
 };
 
+enum rdma_rss4
+{
+  RDMA_API_RSS4_AUTO = 0,
+  RDMA_API_RSS4_IP = 1,
+  RDMA_API_RSS4_IP_UDP = 2,
+  RDMA_API_RSS4_IP_TCP = 3,
+};
+
+enum rdma_rss6
+{
+  RDMA_API_RSS6_AUTO = 0,
+  RDMA_API_RSS6_IP = 1,
+  RDMA_API_RSS6_IP_UDP = 2,
+  RDMA_API_RSS6_IP_TCP = 3,
+};
+
+/** \brief
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param host_if - Linux netdev interface name
+    @param name - new rdma interface name
+    @param rxq_num - number of receive queues (optional)
+    @param rxq_size - receive queue size (optional)
+    @param txq_size - transmit queue size (optional)
+    @param mode - operation mode (optional)
+    @param no_multi_seg (optional) - disable chained buffer RX
+    @param max_pktlen (optional) - maximal RX packet size.
+    @param rss4 (optional) - IPv4 RSS
+    @param rss6 (optional) - IPv6 RSS
+*/
+
+define rdma_create_v3
+{
+  u32 client_index;
+  u32 context;
+
+  string host_if[64];
+  string name[64];
+  u16 rxq_num [default=1];
+  u16 rxq_size [default=1024];
+  u16 txq_size [default=1024];
+  vl_api_rdma_mode_t mode [default=0];
+  bool no_multi_seg [default=0];
+  u16 max_pktlen [default=0];
+  vl_api_rdma_rss4_t rss4 [default=0];
+  vl_api_rdma_rss6_t rss6 [default=0];
+  option vat_help = "<host-if ifname> [name <name>] [rx-queue-size <size>] [tx-queue-size <size>] [num-rx-queues <size>] [mode <auto|ibv|dv>] [no-multi-seg] [max-pktlen <size>] [rss <ipv4|ipv4-udp|ipv4-tcp>] [rss <ipv6|ipv6-udp|ipv6-tcp>]";
+};
+
 
 /** \brief
     @param context - sender context, to match reply w/ request
@@ -114,6 +163,19 @@ define rdma_create_v2_reply
     @param sw_if_index - interface index
 */
 
+define rdma_create_v3_reply
+{
+  u32 context;
+  i32 retval;
+  vl_api_interface_index_t sw_if_index;
+};
+
+/** \brief
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param sw_if_index - interface index
+*/
+
 autoreply define rdma_delete
 {
   u32 client_index;
-- 
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