Commit 1efb6144 authored by Roland Dreier's avatar Roland Dreier

IPoIB/cm: Factor out ipoib_cm_free_rx_ring()

Factor out the code to unmap/free skbs and free the receive ring in
ipoib_cm_dev_cleanup() into a new function ipoib_cm_free_rx_ring().
This function will be called from a couple of other places when
support for devices that don't implement SRQs is added.
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 2337f809
......@@ -155,6 +155,22 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev, int id, int
return NULL;
}
static void ipoib_cm_free_rx_ring(struct net_device *dev,
struct ipoib_cm_rx_buf *rx_ring)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
int i;
for (i = 0; i < ipoib_recvq_size; ++i)
if (rx_ring[i].skb) {
ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
rx_ring[i].mapping);
dev_kfree_skb_any(rx_ring[i].skb);
}
kfree(rx_ring);
}
static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv *priv)
{
struct ib_send_wr *bad_wr;
......@@ -1328,7 +1344,7 @@ int ipoib_cm_dev_init(struct net_device *dev)
void ipoib_cm_dev_cleanup(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
int i, ret;
int ret;
if (!priv->cm.srq)
return;
......@@ -1342,13 +1358,7 @@ void ipoib_cm_dev_cleanup(struct net_device *dev)
priv->cm.srq = NULL;
if (!priv->cm.srq_ring)
return;
for (i = 0; i < ipoib_recvq_size; ++i)
if (priv->cm.srq_ring[i].skb) {
ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
priv->cm.srq_ring[i].mapping);
dev_kfree_skb_any(priv->cm.srq_ring[i].skb);
priv->cm.srq_ring[i].skb = NULL;
}
kfree(priv->cm.srq_ring);
ipoib_cm_free_rx_ring(dev, priv->cm.srq_ring);
priv->cm.srq_ring = NULL;
}
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