From: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Date: Tue, 10 May 2011 05:12:17 +0000 (+0000)
Subject: be2net: Handle error completion in Lancer
X-Git-Tag: v3.0-rc1~377^2~109
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=009dd872d753f854cf13c8334e0055092f539b38;p=~shefty%2Frdma-dev.git

be2net: Handle error completion in Lancer

In Lancer if a frame is DMAed partially due to lack of RX buffers,
an error completion is sent with packet size as zero and num_recvd
indicating number of used buffers. These buffers need to be freed
and packet dropped.

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

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 3fb4a1f465e..3202f67d878 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1757,12 +1757,15 @@ static int be_poll_rx(struct napi_struct *napi, int budget)
 			break;
 
 		/* Ignore flush completions */
-		if (rxcp->num_rcvd) {
+		if (rxcp->num_rcvd && rxcp->pkt_size) {
 			if (do_gro(rxcp))
 				be_rx_compl_process_gro(adapter, rxo, rxcp);
 			else
 				be_rx_compl_process(adapter, rxo, rxcp);
+		} else if (rxcp->pkt_size == 0) {
+			be_rx_compl_discard(adapter, rxo, rxcp);
 		}
+
 		be_rx_stats_update(rxo, rxcp);
 	}