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Date:      Mon, 23 May 2011 20:09:32 +0000 (UTC)
From:      Pyun YongHyeon <yongari@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r222221 - head/sys/dev/msk
Message-ID:  <201105232009.p4NK9WlL035839@svn.freebsd.org>
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Author: yongari
Date: Mon May 23 20:09:32 2011
New Revision: 222221
URL: http://svn.freebsd.org/changeset/base/222221

Log:
  Rework store and forward configuration of TX MAC FIFO. Basically it
  enables store and forward mode except for jumbo frame on Yukon
  Ultra.

Modified:
  head/sys/dev/msk/if_msk.c

Modified: head/sys/dev/msk/if_msk.c
==============================================================================
--- head/sys/dev/msk/if_msk.c	Mon May 23 19:59:01 2011	(r222220)
+++ head/sys/dev/msk/if_msk.c	Mon May 23 20:09:32 2011	(r222221)
@@ -3654,37 +3654,24 @@ msk_set_tx_stfwd(struct msk_if_softc *sc
 
 	ifp = sc_if->msk_ifp;
 	sc = sc_if->msk_softc;
-	switch (sc->msk_hw_id) {
-	case CHIP_ID_YUKON_EX:
-		if (sc->msk_hw_rev == CHIP_REV_YU_EX_A0)
-			goto yukon_ex_workaround;
-		if (ifp->if_mtu > ETHERMTU)
-			CSR_WRITE_4(sc,
-			    MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
-			    TX_JUMBO_ENA | TX_STFW_ENA);
-		else
-			CSR_WRITE_4(sc,
-			    MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
-			    TX_JUMBO_DIS | TX_STFW_ENA);
-		break;
-	default:
-yukon_ex_workaround:
+	if ((sc->msk_hw_id == CHIP_ID_YUKON_EX &&
+	    sc->msk_hw_rev != CHIP_REV_YU_EX_A0) ||
+	    sc->msk_hw_id >= CHIP_ID_YUKON_SUPR) {
+		CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
+		    TX_STFW_ENA);
+	} else {
 		if (ifp->if_mtu > ETHERMTU) {
 			/* Set Tx GMAC FIFO Almost Empty Threshold. */
 			CSR_WRITE_4(sc,
 			    MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR),
 			    MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR);
 			/* Disable Store & Forward mode for Tx. */
-			CSR_WRITE_4(sc,
-			    MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
-			    TX_JUMBO_ENA | TX_STFW_DIS);
+			CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
+			    TX_STFW_DIS);
 		} else {
-			/* Enable Store & Forward mode for Tx. */
-			CSR_WRITE_4(sc,
-			    MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
-			    TX_JUMBO_DIS | TX_STFW_ENA);
+			CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
+			    TX_STFW_ENA);
 		}
-		break;
 	}
 }

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