be2net: Handle out of buffer completions for lancer

If Lancer chip does not have posted RX buffers, it posts an RX completion entry
with the same frag_index as the last valid completion. The Error bit is also
set. In BE, a flush completion is indicated with a zero value for num_rcvd in
the completion.
Such completions don't carry any data and are not processed.
This patch refactors code to handle both cases with the same code.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index b61a1dfebcaf..9cab32328bba 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -220,7 +220,9 @@ struct be_rx_obj {
         struct be_rx_stats stats;
         u8 rss_id;
         bool rx_post_starved;   /* Zero rx frags have been posted to BE */
-        u32 cache_line_barrier[16];
+        u16 last_frag_index;
+        u16 rsvd;
+        u32 cache_line_barrier[15];
 };
 
 struct be_vf_cfg {