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amd-xgbe: Rework the Rx path SKB allocation

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Rework the SKB allocation so that all of the buffers of the first
descriptor are handled in the SKB allocation routine. After copying the
data in the header buffer (which can be just the header if split header
processing succeeded for header plus data if split header processing did
not succeed) into the SKB, check for remaining data in the receive
buffer. If there is data remaining in the receive buffer, add that as a
frag to the SKB. Once an SKB has been allocated, all other descriptors
are added as frags to the SKB.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas
2015-05-14 11:44:09 -05:00
committed by David S. Miller
parent 34bf65dfa3
commit 7d9ca345b5
3 changed files with 36 additions and 32 deletions
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2
drivers/net/ethernet/amd/xgbe/xgbe.h
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@@ -334,8 +334,6 @@ struct xgbe_ring_data {
*/
unsigned int state_saved;
struct {
unsigned int incomplete;
unsigned int context_next;
struct sk_buff *skb;
unsigned int len;
unsigned int error;