[PATCH for 2.6.25 2/2] [NET] ucc_geth: add support for netpoll
From: Anton Vorontsov <hidden>
Date: 2008-02-01 13:22:51
Also in:
linuxppc-dev
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This patch adds netpoll support for the QE UCC Gigabit Ethernet driver. Tested using netconsole and KGDBoE. Signed-off-by: Anton Vorontsov <redacted> --- Just resending this. drivers/net/ucc_geth.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index e41da46..fba0811 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c@@ -3666,6 +3666,23 @@ static irqreturn_t ucc_geth_irq_handler(int irq, void *info) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void ucc_netpoll(struct net_device *dev) +{ + struct ucc_geth_private *ugeth = netdev_priv(dev); + int irq = ugeth->ug_info->uf_info.irq; + + disable_irq(irq); + ucc_geth_irq_handler(irq, dev); + enable_irq(irq); +} +#endif /* CONFIG_NET_POLL_CONTROLLER */ + /* Called when something needs to use the ethernet device */ /* Returns 0 for success. */ static int ucc_geth_open(struct net_device *dev)
@@ -4008,6 +4025,9 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma #ifdef CONFIG_UGETH_NAPI netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT); #endif /* CONFIG_UGETH_NAPI */ +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = ucc_netpoll; +#endif dev->stop = ucc_geth_close; // dev->change_mtu = ucc_geth_change_mtu; dev->mtu = 1500;
--
1.5.2.2