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feature: pointer of netdev ioctl support cross-core access via clean dcache

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Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
This commit is contained in:
zhanghongyu 2021-12-14 17:31:53 +08:00 committed by Xiang Xiao
parent 61007bcdb6
commit 6c2a487f85
3 changed files with 77 additions and 0 deletions
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15
netutils/usrsock_rpmsg/usrsock_rpmsg.h
View File

@ -27,6 +27,11 @@
#include <nuttx/net/usrsock.h> #include <nuttx/net/usrsock.h>
#ifdef CONFIG_NETDEV_WIRELESS_IOCTL
# include <nuttx/wireless/wireless.h>
# include <metal/cache.h>
#endif
/**************************************************************************** /****************************************************************************
* Pre-processor definitions * Pre-processor definitions
****************************************************************************/ ****************************************************************************/
@ -35,6 +40,16 @@
#define USRSOCK_RPMSG_DNS_EVENT 127 #define USRSOCK_RPMSG_DNS_EVENT 127
#ifdef CONFIG_NETDEV_WIRELESS_IOCTL
# define WL_IS80211POINTERCMD(cmd) ((cmd) == SIOCGIWSCAN || \
(cmd) == SIOCSIWCOUNTRY || \
(cmd) == SIOCGIWRANGE || \
(cmd) == SIOCSIWENCODEEXT || \
(cmd) == SIOCGIWENCODEEXT || \
(cmd) == SIOCGIWESSID || \
(cmd) == SIOCSIWESSID)
#endif
/**************************************************************************** /****************************************************************************
* Public Types * Public Types
****************************************************************************/ ****************************************************************************/

45
netutils/usrsock_rpmsg/usrsock_rpmsg_client.c
View File

@ -49,6 +49,12 @@ struct usrsock_rpmsg_s
struct file file; struct file file;
}; };
enum usrsock_cache_action_e
{
USRSOCK_COHERENT_BEFORE,
USRSOCK_COHERENT_AFTER,
};
/**************************************************************************** /****************************************************************************
* Private Function Prototypes * Private Function Prototypes
****************************************************************************/ ****************************************************************************/
@ -155,6 +161,41 @@ static int usrsock_rpmsg_ept_cb(struct rpmsg_endpoint *ept, void *data,
return ret; return ret;
} }
#ifdef CONFIG_NETDEV_WIRELESS_IOCTL
static void usersock_coherent_cache(FAR void *buf,
enum usrsock_cache_action_e action)
{
FAR struct usrsock_request_ioctl_s *req = buf;
FAR struct iwreq *wlreq;
if (req->head.reqid == USRSOCK_REQUEST_IOCTL)
{
if (WL_IS80211POINTERCMD(req->cmd))
{
wlreq = (FAR struct iwreq *)(req + 1);
if (action == USRSOCK_COHERENT_BEFORE)
{
metal_cache_flush(wlreq->u.data.pointer,
wlreq->u.data.length);
}
if (action == USRSOCK_COHERENT_AFTER)
{
metal_cache_invalidate(wlreq->u.data.pointer,
wlreq->u.data.length);
}
}
}
}
#else
static void usersock_coherent_cache(FAR void *buf,
enum usrsock_cache_action_e action)
{
}
#endif
/**************************************************************************** /****************************************************************************
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
@ -251,6 +292,8 @@ int main(int argc, char *argv[])
break; break;
} }
usersock_coherent_cache(buf, USRSOCK_COHERENT_BEFORE);
/* Send the packet to remote */ /* Send the packet to remote */
ret = rpmsg_send_nocopy(&priv.ept, buf, ret); ret = rpmsg_send_nocopy(&priv.ept, buf, ret);
@ -258,6 +301,8 @@ int main(int argc, char *argv[])
{ {
break; break;
} }
usersock_coherent_cache(buf, USRSOCK_COHERENT_AFTER);
} }
/* Reclaim the resource */ /* Reclaim the resource */

17
netutils/usrsock_rpmsg/usrsock_rpmsg_server.c
View File

@ -716,9 +716,26 @@ static int usrsock_rpmsg_ioctl_handler(struct rpmsg_endpoint *ept,
if (req->usockid >= 0 && if (req->usockid >= 0 &&
req->usockid < CONFIG_NETUTILS_USRSOCK_NSOCK_DESCRIPTORS) req->usockid < CONFIG_NETUTILS_USRSOCK_NSOCK_DESCRIPTORS)
{ {
#ifdef CONFIG_NETDEV_WIRELESS_IOCTL
FAR struct iwreq *wlreq = (FAR struct iwreq *)(req + 1);
if (WL_IS80211POINTERCMD(req->cmd))
{
metal_cache_invalidate(wlreq->u.data.pointer,
wlreq->u.data.length);
}
#endif
memcpy(ack + 1, req + 1, req->arglen); memcpy(ack + 1, req + 1, req->arglen);
ret = psock_ioctl(&priv->socks[req->usockid], ret = psock_ioctl(&priv->socks[req->usockid],
req->cmd, (unsigned long)(ack + 1)); req->cmd, (unsigned long)(ack + 1));
#ifdef CONFIG_NETDEV_WIRELESS_IOCTL
if (WL_IS80211POINTERCMD(req->cmd))
{
metal_cache_flush(wlreq->u.data.pointer,
wlreq->u.data.length);
}
#endif
} }
return usrsock_rpmsg_send_data_ack(ept, return usrsock_rpmsg_send_data_ack(ept,