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netlink: replace the operation handle to connection 

Change-Id: Ie55d65823fe7eb7e917349c095cf8fd4f6326e8f
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2020-04-13 20:49:52 +08:00 committed by Xiang Xiao
parent bd4bccbe27
commit 755265506c
4 changed files with 53 additions and 67 deletions
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8
net/netlink/netlink.h
View File

@ -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,

30
net/netlink/netlink_conn.c
View File

@ -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.

68
net/netlink/netlink_route.c
View File

@ -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;
@ -308,7 +306,7 @@ static int netlink_get_devlist(FAR struct socket *psock,
/* Visit each device */
info.psock = psock;
info.handle = handle;
info.req = req;
net_lock();
@ -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;
@ -567,7 +565,7 @@ static int netlink_get_ipv4route(FAR struct socket *psock,
/* Visit each routing table entry */
info.psock = psock;
info.handle = handle;
info.req = req;
ret = net_foreachroute_ipv4(netlink_ipv4_route, &info);
@ -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;
@ -660,7 +658,7 @@ static int netlink_get_ip6vroute(FAR struct socket *psock,
/* Visit each routing table entry */
info.psock = psock;
info.handle = handle;
info.req = req;
ret = net_foreachroute_ipv6(netlink_ipv6_route, &info);
@ -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

8
net/netlink/netlink_sockif.c
View File

@ -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)
{