From 2d355d5490f7487d7a57e25d13f478a5f274114f Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh-essen.com>
Date: Thu, 15 Oct 2009 18:01:41 +0200
Subject: [PATCH] Implemented poll(); receiving on generic device also works.
---
devices/generic.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/devices/generic.c b/devices/generic.c
index 6831ccc0..84653bef 100644
--- a/devices/generic.c
+++ b/devices/generic.c
@@ -75,6 +75,7 @@ typedef struct {
int ec_gen_device_open(ec_gen_device_t *);
int ec_gen_device_stop(ec_gen_device_t *);
int ec_gen_device_start_xmit(ec_gen_device_t *, struct sk_buff *);
+void ec_gen_device_poll(ec_gen_device_t *);
/*****************************************************************************/
@@ -107,6 +108,8 @@ static int ec_gen_netdev_start_xmit(
void ec_gen_poll(struct net_device *dev)
{
+ ec_gen_device_t *gendev = *((ec_gen_device_t **) netdev_priv(dev));
+ ec_gen_device_poll(gendev);
}
/*****************************************************************************/
@@ -271,6 +274,35 @@ int ec_gen_device_start_xmit(
/*****************************************************************************/
+/** Polls the device.
+ */
+void ec_gen_device_poll(
+ ec_gen_device_t *dev
+ )
+{
+ struct msghdr msg;
+ struct kvec iov;
+ char buf[2000]; // FIXME
+ int ret, budget = 10; // FIXME
+
+ iov.iov_base = buf;
+ iov.iov_len = 2000;
+ memset(&msg, 0, sizeof(msg));
+
+ do {
+ ret = kernel_recvmsg(dev->socket, &msg, &iov, 1, iov.iov_len,
+ MSG_DONTWAIT);
+ if (ret > 0) {
+ ecdev_receive(dev->ecdev, buf, ret);
+ } else if (ret < 0) {
+ break;
+ }
+ budget--;
+ } while (budget);
+}
+
+/*****************************************************************************/
+
/** Offer device.
*/
int offer_device(
--
GitLab