From: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date: Sat, 3 Nov 2012 14:49:32 +0000 (+0800)
Subject: bge: Fix a bug in the polling code when status tag is used
X-Git-Tag: v3.2.2~38
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/c3640a43a372e4b33901e3e5bee48abbe9f5fbfd

bge: Fix a bug in the polling code when status tag is used

Status tag always needs to be written even if interrupt is not enabled.
---

diff --git a/sys/dev/netif/bge/if_bge.c b/sys/dev/netif/bge/if_bge.c
index 7115fe9465..f5ec26b1b5 100644
--- a/sys/dev/netif/bge/if_bge.c
+++ b/sys/dev/netif/bge/if_bge.c
@@ -3073,16 +3073,18 @@ bge_poll(struct ifnet *ifp, enum poll_cmd cmd, int count)
 			 */
 			cpu_lfence();
 		}
+
 		rx_prod = sblk->bge_idx[0].bge_rx_prod_idx;
+		if (sc->bge_rx_saved_considx != rx_prod)
+			bge_rxeof(sc, rx_prod);
+
 		tx_cons = sblk->bge_idx[0].bge_tx_cons_idx;
-		if (ifp->if_flags & IFF_RUNNING) {
-			rx_prod = sblk->bge_idx[0].bge_rx_prod_idx;
-			if (sc->bge_rx_saved_considx != rx_prod)
-				bge_rxeof(sc, rx_prod);
-
-			tx_cons = sblk->bge_idx[0].bge_tx_cons_idx;
-			if (sc->bge_tx_saved_considx != tx_cons)
-				bge_txeof(sc, tx_cons);
+		if (sc->bge_tx_saved_considx != tx_cons)
+			bge_txeof(sc, tx_cons);
+
+		if (sc->bge_flags & BGE_FLAG_STATUS_TAG) {
+			bge_writembx(sc, BGE_MBX_IRQ0_LO,
+			    sc->bge_status_tag << 24);
 		}
 		break;
 	}