tg3.c (aea983801c6b5e4e9af333a32220d580a77f6783) tg3.c (e1c6dccaf3af291488fbad155d7ee6bc29db262a)
1/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
7 * Copyright (C) 2005-2014 Broadcom Corporation.
8 *

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119
120/* length of time before we decide the hardware is borked,
121 * and dev->tx_timeout() should be called to fix the problem
122 */
123
124#define TG3_TX_TIMEOUT (5 * HZ)
125
126/* hardware minimum and maximum for a single frame's data payload */
1/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
7 * Copyright (C) 2005-2014 Broadcom Corporation.
8 *

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119
120/* length of time before we decide the hardware is borked,
121 * and dev->tx_timeout() should be called to fix the problem
122 */
123
124#define TG3_TX_TIMEOUT (5 * HZ)
125
126/* hardware minimum and maximum for a single frame's data payload */
127#define TG3_MIN_MTU 60
127#define TG3_MIN_MTU ETH_ZLEN
128#define TG3_MAX_MTU(tp) \
129 (tg3_flag(tp, JUMBO_CAPABLE) ? 9000 : 1500)
130
131/* These numbers seem to be hard coded in the NIC firmware somehow.
132 * You can't change the ring sizes, but you can change where you place
133 * them in the NIC onboard memory.
134 */
135#define TG3_RX_STD_RING_SIZE(tp) \

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14194}
14195
14196static int tg3_change_mtu(struct net_device *dev, int new_mtu)
14197{
14198 struct tg3 *tp = netdev_priv(dev);
14199 int err;
14200 bool reset_phy = false;
14201
128#define TG3_MAX_MTU(tp) \
129 (tg3_flag(tp, JUMBO_CAPABLE) ? 9000 : 1500)
130
131/* These numbers seem to be hard coded in the NIC firmware somehow.
132 * You can't change the ring sizes, but you can change where you place
133 * them in the NIC onboard memory.
134 */
135#define TG3_RX_STD_RING_SIZE(tp) \

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14194}
14195
14196static int tg3_change_mtu(struct net_device *dev, int new_mtu)
14197{
14198 struct tg3 *tp = netdev_priv(dev);
14199 int err;
14200 bool reset_phy = false;
14201
14202 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
14203 return -EINVAL;
14204
14205 if (!netif_running(dev)) {
14206 /* We'll just catch it later when the
14207 * device is up'd.
14208 */
14209 tg3_set_mtu(dev, tp, new_mtu);
14210 return 0;
14211 }
14212

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17794 if (tg3_asic_rev(tp) != ASIC_REV_5780 &&
17795 !tg3_flag(tp, CPMU_PRESENT))
17796 /* Add the loopback capability */
17797 features |= NETIF_F_LOOPBACK;
17798
17799 dev->hw_features |= features;
17800 dev->priv_flags |= IFF_UNICAST_FLT;
17801
14202 if (!netif_running(dev)) {
14203 /* We'll just catch it later when the
14204 * device is up'd.
14205 */
14206 tg3_set_mtu(dev, tp, new_mtu);
14207 return 0;
14208 }
14209

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17791 if (tg3_asic_rev(tp) != ASIC_REV_5780 &&
17792 !tg3_flag(tp, CPMU_PRESENT))
17793 /* Add the loopback capability */
17794 features |= NETIF_F_LOOPBACK;
17795
17796 dev->hw_features |= features;
17797 dev->priv_flags |= IFF_UNICAST_FLT;
17798
17799 /* MTU range: 60 - 9000 or 1500, depending on hardware */
17800 dev->min_mtu = TG3_MIN_MTU;
17801 dev->max_mtu = TG3_MAX_MTU(tp);
17802
17802 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 &&
17803 !tg3_flag(tp, TSO_CAPABLE) &&
17804 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
17805 tg3_flag_set(tp, MAX_RXPEND_64);
17806 tp->rx_pending = 63;
17807 }
17808
17809 err = tg3_get_device_address(tp);

--- 476 unchanged lines hidden --- 		17803 if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 &&
17804 !tg3_flag(tp, TSO_CAPABLE) &&
17805 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
17806 tg3_flag_set(tp, MAX_RXPEND_64);
17807 tp->rx_pending = 63;
17808 }
17809
17810 err = tg3_get_device_address(tp);

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