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authorBen Hutchings <bhutchings@solarflare.com>2012-01-23 22:41:30 +0000
committerBen Hutchings <bhutchings@solarflare.com>2012-01-27 00:11:00 +0000
commit1ddceb4c69463e09b6929c750046c59589d45d82 (patch)
treea0feef7e3364ee2b077f39a96d657865a8649b8e /drivers
parentf9c762500ae77ab8940094be1325c8a2a1c8e5f5 (diff)
sfc: Move the end of the non-GRO RX path into its own function
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/sfc/rx.c41
1 files changed, 23 insertions, 18 deletions
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 3572c34a79f..d97c6ebcf06 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -568,12 +568,30 @@ out:
channel->rx_pkt_csummed = checksummed;
}
+static void efx_rx_deliver(struct efx_channel *channel,
+ struct efx_rx_buffer *rx_buf)
+{
+ struct sk_buff *skb;
+
+ /* We now own the SKB */
+ skb = rx_buf->u.skb;
+ rx_buf->u.skb = NULL;
+
+ /* Set the SKB flags */
+ skb_checksum_none_assert(skb);
+
+ /* Pass the packet up */
+ netif_receive_skb(skb);
+
+ /* Update allocation strategy method */
+ channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
+}
+
/* Handle a received packet. Second half: Touches packet payload. */
void __efx_rx_packet(struct efx_channel *channel,
struct efx_rx_buffer *rx_buf, bool checksummed)
{
struct efx_nic *efx = channel->efx;
- struct sk_buff *skb;
u8 *eh = efx_rx_buf_eh(efx, rx_buf);
/* If we're in loopback test, then pass the packet directly to the
@@ -586,7 +604,7 @@ void __efx_rx_packet(struct efx_channel *channel,
}
if (!rx_buf->is_page) {
- skb = rx_buf->u.skb;
+ struct sk_buff *skb = rx_buf->u.skb;
prefetch(skb_shinfo(skb));
@@ -606,23 +624,10 @@ void __efx_rx_packet(struct efx_channel *channel,
if (unlikely(!(efx->net_dev->features & NETIF_F_RXCSUM)))
checksummed = false;
- if (likely(checksummed || rx_buf->is_page)) {
+ if (likely(checksummed || rx_buf->is_page))
efx_rx_packet_gro(channel, rx_buf, eh, checksummed);
- return;
- }
-
- /* We now own the SKB */
- skb = rx_buf->u.skb;
- rx_buf->u.skb = NULL;
-
- /* Set the SKB flags */
- skb_checksum_none_assert(skb);
-
- /* Pass the packet up */
- netif_receive_skb(skb);
-
- /* Update allocation strategy method */
- channel->rx_alloc_level += RX_ALLOC_FACTOR_SKB;
+ else
+ efx_rx_deliver(channel, rx_buf);
}
void efx_rx_strategy(struct efx_channel *channel)