Add ethernet code safe for being called from a poller.
Signed-off-by: Sascha Hauer <[email protected]>
---
include/net.h | 8 ++++++++
net/eth.c | 20 +++++++++++++++++---
2 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/include/net.h b/include/net.h
index 54db8a179a..8d2b4923de 100644
--- a/include/net.h
+++ b/include/net.h
@@ -19,6 +19,7 @@
#include <stdlib.h>
#include <clock.h>
#include <led.h>
+#include <slice.h>
#include <xfuncs.h>
#include <linux/phy.h>
#include <linux/string.h> /* memcpy */
@@ -63,6 +64,8 @@ struct eth_device {
char *bootarg;
char *linuxdevname;
+ struct slice slice;
+
bool ifup;
#define ETH_MODE_DHCP 0
#define ETH_MODE_STATIC 1
@@ -72,6 +75,11 @@ struct eth_device {
#define dev_to_edev(d) container_of(d, struct eth_device, dev)
+static inline struct slice *eth_device_slice(struct eth_device *edev)
+{
+ return &edev->slice;
+}
+
static inline const char *eth_name(struct eth_device *edev)
{
return edev->devname;
diff --git a/net/eth.c b/net/eth.c
index e3d0d06efe..888075da61 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -219,20 +219,32 @@ int eth_send(struct eth_device *edev, void *packet, int
length)
if (ret)
return ret;
+ slice_acquire(eth_device_slice(edev));
+
led_trigger_network(LED_TRIGGER_NET_TX);
- return edev->send(edev, packet, length);
+ ret = edev->send(edev, packet, length);
+
+ slice_release(eth_device_slice(edev));
+
+ return ret;
}
static int __eth_rx(struct eth_device *edev)
{
int ret;
+ slice_acquire(eth_device_slice(edev));
+
ret = eth_carrier_check(edev, 0);
if (ret)
- return ret;
+ goto out;
+
+ ret = edev->recv(edev);
+out:
+ slice_release(eth_device_slice(edev));
- return edev->recv(edev);
+ return ret;
}
int eth_rx(void)
@@ -353,6 +365,8 @@ int eth_register(struct eth_device *edev)
if (ret)
return ret;
+ slice_init(&edev->slice, dev_name(dev));
+
edev->devname = xstrdup(dev_name(&edev->dev));
dev_add_param_ip(dev, "ipaddr", NULL, NULL, &edev->ipaddr, edev);
--
2.26.2
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