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authorStephen Hemminger <shemminger@linux-foundation.org>2007-11-01 02:21:47 -0700
committerDavid S. Miller <davem@davemloft.net>2007-11-01 02:21:47 -0700
commit3b582cc14c50f71eabf1c3cada05acb8dc9f457c (patch)
treebad13e4e0a36f019f8ea62d1401a9248073a7392 /net/core
parentd57a9212e00779181d8d820887dcab3e9d529194 (diff)
[NET]: docbook fixes for netif_ functions
Documentation updates for network interfaces. 1. Add doc for netif_napi_add 2. Remove doc for unused returns from netif_rx 3. Add doc for netif_receive_skb [ Incorporated minor mods from Randy Dunlap -DaveM ] Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 91ece48e127..be6cedab5aa 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1751,9 +1751,6 @@ DEFINE_PER_CPU(struct netif_rx_stats, netdev_rx_stat) = { 0, };
*
* return values:
* NET_RX_SUCCESS (no congestion)
- * NET_RX_CN_LOW (low congestion)
- * NET_RX_CN_MOD (moderate congestion)
- * NET_RX_CN_HIGH (high congestion)
* NET_RX_DROP (packet was dropped)
*
*/
@@ -2001,6 +1998,21 @@ out:
}
#endif
+/**
+ * netif_receive_skb - process receive buffer from network
+ * @skb: buffer to process
+ *
+ * netif_receive_skb() is the main receive data processing function.
+ * It always succeeds. The buffer may be dropped during processing
+ * for congestion control or by the protocol layers.
+ *
+ * This function may only be called from softirq context and interrupts
+ * should be enabled.
+ *
+ * Return values (usually ignored):
+ * NET_RX_SUCCESS: no congestion
+ * NET_RX_DROP: packet was dropped
+ */
int netif_receive_skb(struct sk_buff *skb)
{
struct packet_type *ptype, *pt_prev;