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Posted to commits@nuttx.apache.org by xi...@apache.org on 2020/04/16 09:47:30 UTC

[incubator-nuttx] 04/05: netlink: replace the operation handle to connection

This is an automated email from the ASF dual-hosted git repository.

xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit 755265506cf26288bf35b2d018de5caebdc9aa10
Author: chao.an <an...@xiaomi.com>
AuthorDate: Mon Apr 13 20:49:52 2020 +0800

    netlink: replace the operation handle to connection
    
    Change-Id: Ie55d65823fe7eb7e917349c095cf8fd4f6326e8f
    Signed-off-by: chao.an <an...@xiaomi.com>
---
 net/netlink/netlink.h        |  8 ++---
 net/netlink/netlink_conn.c   | 30 ++++++------------
 net/netlink/netlink_route.c  | 74 +++++++++++++++++++++-----------------------
 net/netlink/netlink_sockif.c |  8 ++---
 4 files changed, 53 insertions(+), 67 deletions(-)

diff --git a/net/netlink/netlink.h b/net/netlink/netlink.h
index 9e04f0a..19381dc 100644
--- a/net/netlink/netlink.h
+++ b/net/netlink/netlink.h
@@ -227,7 +227,7 @@ void netlink_notifier_signal(FAR struct netlink_conn_s *conn);
  ****************************************************************************/
 
 FAR struct netlink_response_s *
-netlink_tryget_response(FAR struct socket *psock);
+netlink_tryget_response(FAR struct netlink_conn_s *conn);
 
 /****************************************************************************
  * Name: netlink_get_response
@@ -248,7 +248,7 @@ netlink_tryget_response(FAR struct socket *psock);
  ****************************************************************************/
 
 FAR struct netlink_response_s *
-netlink_get_response(FAR struct socket *psock);
+netlink_get_response(FAR struct netlink_conn_s *conn);
 
 /****************************************************************************
  * Name: netlink_check_response
@@ -261,7 +261,7 @@ netlink_get_response(FAR struct socket *psock);
  *
  ****************************************************************************/
 
-bool netlink_check_response(FAR struct socket *psock);
+bool netlink_check_response(FAR struct netlink_conn_s *conn);
 
 /****************************************************************************
  * Name: netlink_route_sendto()
@@ -272,7 +272,7 @@ bool netlink_check_response(FAR struct socket *psock);
  ****************************************************************************/
 
 #ifdef CONFIG_NETLINK_ROUTE
-ssize_t netlink_route_sendto(FAR struct socket *psock,
+ssize_t netlink_route_sendto(NETLINK_HANDLE handle,
                              FAR const struct nlmsghdr *nlmsg,
                              size_t len, int flags,
                              FAR const struct sockaddr_nl *to,
diff --git a/net/netlink/netlink_conn.c b/net/netlink/netlink_conn.c
index 331beec..fc25ad0 100644
--- a/net/netlink/netlink_conn.c
+++ b/net/netlink/netlink_conn.c
@@ -273,13 +273,10 @@ FAR struct netlink_conn_s *netlink_nextconn(FAR struct netlink_conn_s *conn)
 void netlink_add_response(NETLINK_HANDLE handle,
                           FAR struct netlink_response_s *resp)
 {
-  FAR struct socket *psock;
   FAR struct netlink_conn_s *conn;
 
-  psock = (FAR struct socket *)handle;
-  DEBUGASSERT(psock != NULL && psock->s_conn != NULL && resp != NULL);
-
-  conn = (FAR struct netlink_conn_s *)psock->s_conn;
+  conn = handle;
+  DEBUGASSERT(conn != NULL && resp != NULL);
 
   /* Add the response to the end of the FIFO list */
 
@@ -310,14 +307,11 @@ void netlink_add_response(NETLINK_HANDLE handle,
  ****************************************************************************/
 
 FAR struct netlink_response_s *
-netlink_tryget_response(FAR struct socket *psock)
+netlink_tryget_response(FAR struct netlink_conn_s *conn)
 {
   FAR struct netlink_response_s *resp;
-  FAR struct netlink_conn_s *conn;
 
-  DEBUGASSERT(psock != NULL && psock->s_conn != NULL);
-
-  conn = (FAR struct netlink_conn_s *)psock->s_conn;
+  DEBUGASSERT(conn != NULL);
 
   /* Return the response at the head of the pending response list (may be
    * NULL).
@@ -349,15 +343,12 @@ netlink_tryget_response(FAR struct socket *psock)
  ****************************************************************************/
 
 FAR struct netlink_response_s *
-netlink_get_response(FAR struct socket *psock)
+netlink_get_response(FAR struct netlink_conn_s *conn)
 {
   FAR struct netlink_response_s *resp;
-  FAR struct netlink_conn_s *conn;
   int ret;
 
-  DEBUGASSERT(psock != NULL && psock->s_conn != NULL);
-
-  conn = (FAR struct netlink_conn_s *)psock->s_conn;
+  DEBUGASSERT(conn != NULL);
 
   /* Loop, until a response is received.  A loop is used because in the case
    * of multiple waiters, all waiters will be awakened, but only the highest
@@ -365,7 +356,7 @@ netlink_get_response(FAR struct socket *psock)
    */
 
   net_lock();
-  while ((resp = netlink_tryget_response(psock)) == NULL)
+  while ((resp = netlink_tryget_response(conn)) == NULL)
     {
       sem_t waitsem;
 
@@ -419,12 +410,9 @@ netlink_get_response(FAR struct socket *psock)
  *
  ****************************************************************************/
 
-bool netlink_check_response(FAR struct socket *psock)
+bool netlink_check_response(FAR struct netlink_conn_s *conn)
 {
-  FAR struct netlink_conn_s *conn;
-
-  DEBUGASSERT(psock != NULL && psock->s_conn != NULL);
-  conn = (FAR struct netlink_conn_s *)psock->s_conn;
+  DEBUGASSERT(conn != NULL);
 
   /* Check if the response is available.  It is not necessary to lock the
    * network because the sq_peek() is an atomic operation.
diff --git a/net/netlink/netlink_route.c b/net/netlink/netlink_route.c
index 741b6ba..955e3da 100644
--- a/net/netlink/netlink_route.c
+++ b/net/netlink/netlink_route.c
@@ -175,7 +175,7 @@ struct nlroute_sendto_request_s
 
 struct nlroute_info_s
 {
-  FAR struct socket *psock;
+  NETLINK_HANDLE handle;
   FAR const struct nlroute_sendto_request_s *req;
 };
 
@@ -195,14 +195,12 @@ struct nlroute_info_s
 static int netlink_device_callback(FAR struct net_driver_s *dev,
                                    FAR void *arg)
 {
-  FAR struct nlroute_info_s *info;
   FAR struct getlink_recvfrom_rsplist_s *alloc;
   FAR struct getlink_recvfrom_response_s *resp;
+  FAR struct nlroute_info_s *info = arg;
 
   DEBUGASSERT(dev != NULL && arg != NULL);
-
-  info = (FAR struct nlroute_info_s *)arg;
-  DEBUGASSERT(info->psock != NULL && info->req != NULL);
+  DEBUGASSERT(info->handle != NULL && info->req != NULL);
 
   /* Check if the link is in the UP state */
 
@@ -248,8 +246,8 @@ static int netlink_device_callback(FAR struct net_driver_s *dev,
 
   /* Finally, add the data to the list of pending responses */
 
-  netlink_add_response(info->psock, (FAR struct netlink_response_s *)alloc);
-  return 0;
+  netlink_add_response(info->handle, (FAR struct netlink_response_s *)alloc);
+  return OK;
 }
 #endif
 
@@ -261,7 +259,7 @@ static int netlink_device_callback(FAR struct net_driver_s *dev,
  *
  ****************************************************************************/
 
-static int netlink_response_terminator(FAR struct socket *psock,
+static int netlink_response_terminator(NETLINK_HANDLE handle,
                               FAR const struct nlroute_sendto_request_s *req)
 {
   FAR struct netlink_response_s *resp;
@@ -287,7 +285,7 @@ static int netlink_response_terminator(FAR struct socket *psock,
 
   /* Finally, add the response to the list of pending responses */
 
-  netlink_add_response(psock, resp);
+  netlink_add_response(handle, resp);
   return OK;
 }
 
@@ -300,7 +298,7 @@ static int netlink_response_terminator(FAR struct socket *psock,
  ****************************************************************************/
 
 #ifndef CONFIG_NETLINK_DISABLE_GETLINK
-static int netlink_get_devlist(FAR struct socket *psock,
+static int netlink_get_devlist(NETLINK_HANDLE handle,
                               FAR const struct nlroute_sendto_request_s *req)
 {
   struct nlroute_info_s info;
@@ -308,8 +306,8 @@ static int netlink_get_devlist(FAR struct socket *psock,
 
   /* Visit each device */
 
-  info.psock = psock;
-  info.req   = req;
+  info.handle = handle;
+  info.req    = req;
 
   net_lock();
   ret = netdev_foreach(netlink_device_callback, &info);
@@ -319,7 +317,7 @@ static int netlink_get_devlist(FAR struct socket *psock,
       return ret;
     }
 
-  return netlink_response_terminator(psock, req);
+  return netlink_response_terminator(handle, req);
 }
 #endif
 
@@ -332,14 +330,14 @@ static int netlink_get_devlist(FAR struct socket *psock,
  ****************************************************************************/
 
 #if defined(CONFIG_NET_ARP) && !defined(CONFIG_NETLINK_DISABLE_GETNEIGH)
-static int netlink_get_arptable(FAR struct socket *psock,
+static int netlink_get_arptable(NETLINK_HANDLE handle,
                               FAR const struct nlroute_sendto_request_s *req)
 {
   FAR struct getneigh_recvfrom_rsplist_s *entry;
   unsigned int ncopied;
+  size_t allocsize;
   size_t tabsize;
   size_t rspsize;
-  size_t allocsize;
 
   /* Preallocate memory to hold the maximum sized ARP table
    * REVISIT:  This is probably excessively large and could cause false
@@ -400,7 +398,7 @@ static int netlink_get_arptable(FAR struct socket *psock,
 
   /* Finally, add the data to the list of pending responses */
 
-  netlink_add_response(psock, (FAR struct netlink_response_s *)entry);
+  netlink_add_response(handle, (FAR struct netlink_response_s *)entry);
   return OK;
 }
 #endif
@@ -414,14 +412,14 @@ static int netlink_get_arptable(FAR struct socket *psock,
  ****************************************************************************/
 
 #if defined(CONFIG_NET_IPv6) && !defined(CONFIG_NETLINK_DISABLE_GETNEIGH)
-static int netlink_get_nbtable(FAR struct socket *psock,
+static int netlink_get_nbtable(NETLINK_HANDLE handle,
                               FAR const struct nlroute_sendto_request_s *req)
 {
   FAR struct getneigh_recvfrom_rsplist_s *entry;
   unsigned int ncopied;
+  size_t allocsize;
   size_t tabsize;
   size_t rspsize;
-  size_t allocsize;
 
   /* Preallocate memory to hold the maximum sized Neighbor table
    * REVISIT:  This is probably excessively large and could cause false
@@ -484,7 +482,7 @@ static int netlink_get_nbtable(FAR struct socket *psock,
 
   /* Finally, add the response to the list of pending responses */
 
-  netlink_add_response(psock, (FAR struct netlink_response_s *)entry);
+  netlink_add_response(handle, (FAR struct netlink_response_s *)entry);
   return OK;
 }
 #endif
@@ -501,9 +499,9 @@ static int netlink_get_nbtable(FAR struct socket *psock,
 static int netlink_ipv4_route(FAR struct net_route_ipv4_s *route,
                               FAR void *arg)
 {
-  FAR struct nlroute_info_s *info;
   FAR struct getroute_recvfrom_ipv4resplist_s *alloc;
   FAR struct getroute_recvfrom_ipv4response_s *resp;
+  FAR struct nlroute_info_s *info;
 
   DEBUGASSERT(route != NULL && arg != NULL);
   info = (FAR struct nlroute_info_s *)arg;
@@ -545,7 +543,7 @@ static int netlink_ipv4_route(FAR struct net_route_ipv4_s *route,
 
   /* Finally, add the response to the list of pending responses */
 
-  netlink_add_response(info->psock, (FAR struct netlink_response_s *)alloc);
+  netlink_add_response(info->handle, (FAR struct netlink_response_s *)alloc);
   return OK;
 }
 #endif
@@ -559,7 +557,7 @@ static int netlink_ipv4_route(FAR struct net_route_ipv4_s *route,
  ****************************************************************************/
 
 #if defined(CONFIG_NET_IPv4) && !defined(CONFIG_NETLINK_DISABLE_GETROUTE)
-static int netlink_get_ipv4route(FAR struct socket *psock,
+static int netlink_get_ipv4route(NETLINK_HANDLE handle,
                               FAR const struct nlroute_sendto_request_s *req)
 {
   struct nlroute_info_s info;
@@ -567,8 +565,8 @@ static int netlink_get_ipv4route(FAR struct socket *psock,
 
   /* Visit each routing table entry */
 
-  info.psock = psock;
-  info.req   = req;
+  info.handle = handle;
+  info.req    = req;
 
   ret = net_foreachroute_ipv4(netlink_ipv4_route, &info);
   if (ret < 0)
@@ -578,7 +576,7 @@ static int netlink_get_ipv4route(FAR struct socket *psock,
 
   /* Terminate the routing table */
 
-  return netlink_response_terminator(psock, req);
+  return netlink_response_terminator(handle, req);
 }
 #endif
 
@@ -594,9 +592,9 @@ static int netlink_get_ipv4route(FAR struct socket *psock,
 static int netlink_ipv6_route(FAR struct net_route_ipv6_s *route,
                               FAR void *arg)
 {
-  FAR struct nlroute_info_s *info;
   FAR struct getroute_recvfrom_ipv6resplist_s *alloc;
   FAR struct getroute_recvfrom_ipv6response_s *resp;
+  FAR struct nlroute_info_s *info;
 
   DEBUGASSERT(route != NULL && arg != NULL);
   info = (FAR struct nlroute_info_s *)arg;
@@ -638,7 +636,7 @@ static int netlink_ipv6_route(FAR struct net_route_ipv6_s *route,
 
   /* Finally, add the response to the list of pending responses */
 
-  netlink_add_response(info->psock, (FAR struct netlink_response_s *)alloc);
+  netlink_add_response(info->handle, (FAR struct netlink_response_s *)alloc);
   return OK;
 }
 #endif
@@ -652,7 +650,7 @@ static int netlink_ipv6_route(FAR struct net_route_ipv6_s *route,
  ****************************************************************************/
 
 #if defined(CONFIG_NET_IPv6) && !defined(CONFIG_NETLINK_DISABLE_GETROUTE)
-static int netlink_get_ip6vroute(FAR struct socket *psock,
+static int netlink_get_ip6vroute(NETLINK_HANDLE handle,
                               FAR const struct nlroute_sendto_request_s *req)
 {
   struct nlroute_info_s info;
@@ -660,8 +658,8 @@ static int netlink_get_ip6vroute(FAR struct socket *psock,
 
   /* Visit each routing table entry */
 
-  info.psock = psock;
-  info.req   = req;
+  info.handle = handle;
+  info.req    = req;
 
   ret = net_foreachroute_ipv6(netlink_ipv6_route, &info);
   if (ret < 0)
@@ -671,7 +669,7 @@ static int netlink_get_ip6vroute(FAR struct socket *psock,
 
   /* Terminate the routing table */
 
-  return netlink_response_terminator(psock, req);
+  return netlink_response_terminator(handle, req);
 }
 #endif
 
@@ -687,7 +685,7 @@ static int netlink_get_ip6vroute(FAR struct socket *psock,
  *
  ****************************************************************************/
 
-ssize_t netlink_route_sendto(FAR struct socket *psock,
+ssize_t netlink_route_sendto(NETLINK_HANDLE handle,
                              FAR const struct nlmsghdr *nlmsg,
                              size_t len, int flags,
                              FAR const struct sockaddr_nl *to,
@@ -697,7 +695,7 @@ ssize_t netlink_route_sendto(FAR struct socket *psock,
     (FAR const struct nlroute_sendto_request_s *)nlmsg;
   int ret;
 
-  DEBUGASSERT(psock != NULL && nlmsg != NULL &&
+  DEBUGASSERT(handle != NULL && nlmsg != NULL &&
               nlmsg->nlmsg_len >= sizeof(struct nlmsghdr) &&
               len >= sizeof(struct nlmsghdr) &&
               len >= nlmsg->nlmsg_len && to != NULL &&
@@ -714,7 +712,7 @@ ssize_t netlink_route_sendto(FAR struct socket *psock,
 
         /* Generate the response */
 
-        ret = netlink_get_devlist(psock, req);
+        ret = netlink_get_devlist(handle, req);
         break;
 #endif
 
@@ -727,7 +725,7 @@ ssize_t netlink_route_sendto(FAR struct socket *psock,
 
         if (req->gen.rtgen_family == AF_INET)
           {
-            ret = netlink_get_arptable(psock, req);
+            ret = netlink_get_arptable(handle, req);
           }
         else
 #endif
@@ -737,7 +735,7 @@ ssize_t netlink_route_sendto(FAR struct socket *psock,
 
         if (req->gen.rtgen_family == AF_INET6)
           {
-             ret = netlink_get_nbtable(psock, req);
+             ret = netlink_get_nbtable(handle, req);
           }
         else
 #endif
@@ -754,14 +752,14 @@ ssize_t netlink_route_sendto(FAR struct socket *psock,
 #ifdef CONFIG_NET_IPv4
         if (req->gen.rtgen_family == AF_INET)
           {
-            ret = netlink_get_ipv4route(psock, req);
+            ret = netlink_get_ipv4route(handle, req);
           }
         else
 #endif
 #ifdef CONFIG_NET_IPv6
         if (req->gen.rtgen_family == AF_INET6)
           {
-            ret = netlink_get_ip6vroute(psock, req);
+            ret = netlink_get_ip6vroute(handle, req);
           }
         else
 #endif
diff --git a/net/netlink/netlink_sockif.c b/net/netlink/netlink_sockif.c
index 9295901..577d520 100644
--- a/net/netlink/netlink_sockif.c
+++ b/net/netlink/netlink_sockif.c
@@ -605,7 +605,7 @@ static int netlink_poll(FAR struct socket *psock, FAR struct pollfd *fds,
        */
 
       net_lock();
-      if (netlink_check_response(psock))
+      if (netlink_check_response(conn))
         {
           revents |= POLLIN;
         }
@@ -761,7 +761,7 @@ static ssize_t netlink_sendto(FAR struct socket *psock, FAR const void *buf,
     {
 #ifdef CONFIG_NETLINK_ROUTE
       case NETLINK_ROUTE:
-        ret = netlink_route_sendto(psock, nlmsg, len, flags,
+        ret = netlink_route_sendto(conn, nlmsg, len, flags,
                                    (FAR struct sockaddr_nl *)to,
                                    tolen);
         break;
@@ -810,7 +810,7 @@ static ssize_t netlink_recvfrom(FAR struct socket *psock, FAR void *buf,
 
   /* Find the response to this message.  The return value */
 
-  entry = (FAR struct netlink_response_s *)netlink_tryget_response(psock);
+  entry = netlink_tryget_response(psock->s_conn);
   if (entry == NULL)
     {
       /* No response is variable, but presumably, one is expected.  Check
@@ -824,7 +824,7 @@ static ssize_t netlink_recvfrom(FAR struct socket *psock, FAR void *buf,
 
       /* Wait for the response.  This should always succeed. */
 
-      entry = (FAR struct netlink_response_s *)netlink_get_response(psock);
+      entry = netlink_get_response(psock->s_conn);
       DEBUGASSERT(entry != NULL);
       if (entry == NULL)
         {