From 6a69f0e96f20476d57a131f82c8fab9cac5c7c7c Mon Sep 17 00:00:00 2001
From: SPRESENSE <41312067+SPRESENSE@users.noreply.github.com>
Date: Thu, 29 Jun 2023 20:59:58 +0900
Subject: [PATCH] wireless/gs2200m: Add support SIOCDENYINETSOCK ioctl command

Support SIOCDENYINETSOCK ioctl command to set usrsock status.
If usock_enable is false, its means application wants to create
a socket with other network stack.
---
 wireless/gs2200m/gs2200m_main.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/wireless/gs2200m/gs2200m_main.c b/wireless/gs2200m/gs2200m_main.c
index 6ed411928..64cbd2b5c 100644
--- a/wireless/gs2200m/gs2200m_main.c
+++ b/wireless/gs2200m/gs2200m_main.c
@@ -90,6 +90,7 @@ struct gs2200m_s
   uint8_t mode;
   uint8_t ch;
   int     gsfd;
+  int     usock_enable;
   struct usock_s sockets[SOCKET_COUNT];
 };
 
@@ -491,6 +492,16 @@ static int socket_request(int fd, FAR struct gs2200m_s *priv,
     {
       usockid = -EAFNOSUPPORT;
     }
+  else if (!priv->usock_enable && req->domain == AF_INET &&
+           req->type != SOCK_CTRL)
+    {
+      /* If domain is AF_INET while usock_enable is false,
+       * set usockid to -ENOTSUP to fallback kernel
+       * network stack.
+       */
+
+      usockid = -ENOTSUP;
+    }
   else
     {
       /* Allocate socket. */
@@ -1550,6 +1561,7 @@ static int ioctl_request(int fd, FAR struct gs2200m_s *priv,
   struct usrsock_message_req_ack_s resp;
   struct usrsock_message_datareq_ack_s resp2;
   struct gs2200m_ifreq_msg imsg;
+  uint8_t sock_type;
   bool getreq = false;
   int ret = -EINVAL;
 
@@ -1573,6 +1585,24 @@ static int ioctl_request(int fd, FAR struct gs2200m_s *priv,
         read(fd, &imsg.ifr, sizeof(imsg.ifr));
         break;
 
+      case SIOCDENYINETSOCK:
+
+        read(fd, &sock_type, sizeof(uint8_t));
+
+        if (sock_type == DENY_INET_SOCK_ENABLE)
+          {
+            /* Block to create INET socket */
+
+            priv->usock_enable = FALSE;
+          }
+        else
+          {
+            /* Allow to create INET socket */
+
+            priv->usock_enable = TRUE;
+          }
+        break;
+
       default:
         break;
     }
@@ -1779,6 +1809,8 @@ int main(int argc, FAR char *argv[])
         }
     }
 
+  _daemon->usock_enable = TRUE;
+
   if ((ap_mode && (4 != argc) && (5 != argc))
       || (!ap_mode && 3 != argc))
     {