Staging: Octeon Ethernet: Enable scatter-gather.
Octeon ethernet hardware can handle NETIF_F_SG, so we enable it.
A gather list of up to six fragments will fit in the SKB's CB
structure, so no extra memory is required. If a SKB has more than six
fragments, we must linearize it.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: gregkh@suse.de
Patchwork: http://patchwork.linux-mips.org/patch/838/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 9f5b741..9d63202 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -484,8 +484,11 @@
&& (always_use_pow || strstr(pow_send_list, dev->name)))
priv->queue = -1;
- if (priv->queue != -1 && USE_HW_TCPUDP_CHECKSUM)
- dev->features |= NETIF_F_IP_CSUM;
+ if (priv->queue != -1) {
+ dev->features |= NETIF_F_SG;
+ if (USE_HW_TCPUDP_CHECKSUM)
+ dev->features |= NETIF_F_IP_CSUM;
+ }
/* We do our own locking, Linux doesn't need to */
dev->features |= NETIF_F_LLTX;
