pasemi_mac: basic ethtool support
First cut at ethtool support, to be completed over time. Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Olof Johansson
parent
251567848f
commit
e37c772e36
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@ -218,7 +218,8 @@ obj-$(CONFIG_SMC911X) += smc911x.o
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obj-$(CONFIG_BFIN_MAC) += bfin_mac.o
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obj-$(CONFIG_DM9000) += dm9000.o
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obj-$(CONFIG_FEC_8XX) += fec_8xx/
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obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o
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obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
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pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
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obj-$(CONFIG_MLX4_CORE) += mlx4/
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obj-$(CONFIG_ENC28J60) += enc28j60.o
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@ -55,12 +55,6 @@
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* - Multiqueue RX/TX
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*/
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/* Must be a power of two */
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#define RX_RING_SIZE 2048
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#define TX_RING_SIZE 4096
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#define CS_RING_SIZE (TX_RING_SIZE*2)
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#define LRO_MAX_AGGR 64
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#define PE_MIN_MTU 64
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@ -77,17 +71,6 @@
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NETIF_MSG_RX_ERR | \
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NETIF_MSG_TX_ERR)
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#define TX_DESC(tx, num) ((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
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#define TX_DESC_INFO(tx, num) ((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
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#define RX_DESC(rx, num) ((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
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#define RX_DESC_INFO(rx, num) ((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
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#define RX_BUFF(rx, num) ((rx)->buffers[(num) & (RX_RING_SIZE-1)])
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#define CS_DESC(cs, num) ((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])
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#define RING_USED(ring) (((ring)->next_to_fill - (ring)->next_to_clean) \
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& ((ring)->size - 1))
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#define RING_AVAIL(ring) ((ring->size) - RING_USED(ring))
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>");
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MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver");
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@ -96,6 +79,8 @@ static int debug = -1; /* -1 == use DEFAULT_MSG_ENABLE as value */
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "PA Semi MAC bitmapped debugging message enable value");
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extern const struct ethtool_ops pasemi_mac_ethtool_ops;
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static int translation_enabled(void)
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{
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#if defined(CONFIG_PPC_PASEMI_IOMMU_DMA_FORCE)
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@ -1148,7 +1133,7 @@ static int pasemi_mac_open(struct net_device *dev)
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{
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struct pasemi_mac *mac = netdev_priv(dev);
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unsigned int flags;
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int ret;
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int i, ret;
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flags = PAS_MAC_CFG_TXP_FCE | PAS_MAC_CFG_TXP_FPC(3) |
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PAS_MAC_CFG_TXP_SL(3) | PAS_MAC_CFG_TXP_COB(0xf) |
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@ -1171,6 +1156,10 @@ static int pasemi_mac_open(struct net_device *dev)
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goto out_tx_ring;
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}
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/* Zero out rmon counters */
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for (i = 0; i < 32; i++)
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write_mac_reg(mac, PAS_MAC_RMON(i), 0);
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/* 0x3ff with 33MHz clock is about 31us */
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write_iob_reg(PAS_IOB_DMA_COM_TIMEOUTCFG,
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PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(0x3ff));
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@ -1812,6 +1801,7 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128;
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dev->change_mtu = pasemi_mac_change_mtu;
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dev->ethtool_ops = &pasemi_mac_ethtool_ops;
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if (err)
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goto out;
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@ -26,6 +26,12 @@
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#include <linux/spinlock.h>
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#include <linux/phy.h>
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/* Must be a power of two */
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#define RX_RING_SIZE 2048
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#define TX_RING_SIZE 4096
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#define CS_RING_SIZE (TX_RING_SIZE*2)
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#define MAX_LRO_DESCRIPTORS 8
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#define MAX_CS 2
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@ -103,6 +109,16 @@ struct pasemi_mac_buffer {
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dma_addr_t dma;
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};
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#define TX_DESC(tx, num) ((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
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#define TX_DESC_INFO(tx, num) ((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
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#define RX_DESC(rx, num) ((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
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#define RX_DESC_INFO(rx, num) ((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
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#define RX_BUFF(rx, num) ((rx)->buffers[(num) & (RX_RING_SIZE-1)])
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#define CS_DESC(cs, num) ((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])
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#define RING_USED(ring) (((ring)->next_to_fill - (ring)->next_to_clean) \
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& ((ring)->size - 1))
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#define RING_AVAIL(ring) ((ring->size) - RING_USED(ring))
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/* PCI register offsets and formats */
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@ -114,6 +130,7 @@ enum {
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PAS_MAC_CFG_ADR0 = 0x8c,
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PAS_MAC_CFG_ADR1 = 0x90,
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PAS_MAC_CFG_TXP = 0x98,
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PAS_MAC_CFG_RMON = 0x100,
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PAS_MAC_IPC_CHNL = 0x208,
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};
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@ -185,6 +202,8 @@ enum {
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#define PAS_MAC_CFG_TXP_TIFG(x) (((x) << PAS_MAC_CFG_TXP_TIFG_S) & \
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PAS_MAC_CFG_TXP_TIFG_M)
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#define PAS_MAC_RMON(r) (0x100+(r)*4)
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#define PAS_MAC_IPC_CHNL_DCHNO_M 0x003f0000
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#define PAS_MAC_IPC_CHNL_DCHNO_S 16
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#define PAS_MAC_IPC_CHNL_DCHNO(x) (((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \
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@ -194,4 +213,5 @@ enum {
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#define PAS_MAC_IPC_CHNL_BCH(x) (((x) << PAS_MAC_IPC_CHNL_BCH_S) & \
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PAS_MAC_IPC_CHNL_BCH_M)
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#endif /* PASEMI_MAC_H */
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@ -0,0 +1,159 @@
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/*
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* Copyright (C) 2006-2008 PA Semi, Inc
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*
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* Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/pci.h>
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#include <linux/inet_lro.h>
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#include <asm/pasemi_dma.h>
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#include "pasemi_mac.h"
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static struct {
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const char str[ETH_GSTRING_LEN];
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} ethtool_stats_keys[] = {
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{ "rx-drops" },
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{ "rx-bytes" },
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{ "rx-packets" },
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{ "rx-broadcast-packets" },
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{ "rx-multicast-packets" },
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{ "rx-crc-errors" },
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{ "rx-undersize-errors" },
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{ "rx-oversize-errors" },
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{ "rx-short-fragment-errors" },
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{ "rx-jabber-errors" },
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{ "rx-64-byte-packets" },
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{ "rx-65-127-byte-packets" },
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{ "rx-128-255-byte-packets" },
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{ "rx-256-511-byte-packets" },
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{ "rx-512-1023-byte-packets" },
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{ "rx-1024-1518-byte-packets" },
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{ "rx-pause-frames" },
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{ "tx-bytes" },
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{ "tx-packets" },
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{ "tx-broadcast-packets" },
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{ "tx-multicast-packets" },
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{ "tx-collisions" },
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{ "tx-late-collisions" },
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{ "tx-excessive-collisions" },
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{ "tx-crc-errors" },
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{ "tx-undersize-errors" },
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{ "tx-oversize-errors" },
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{ "tx-64-byte-packets" },
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{ "tx-65-127-byte-packets" },
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{ "tx-128-255-byte-packets" },
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{ "tx-256-511-byte-packets" },
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{ "tx-512-1023-byte-packets" },
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{ "tx-1024-1518-byte-packets" },
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};
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static int
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pasemi_mac_ethtool_get_settings(struct net_device *netdev,
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struct ethtool_cmd *cmd)
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{
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struct pasemi_mac *mac = netdev_priv(netdev);
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struct phy_device *phydev = mac->phydev;
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return phy_ethtool_gset(phydev, cmd);
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}
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static void
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pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct pasemi_mac *mac;
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mac = netdev_priv(netdev);
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/* clear and fill out info */
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memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
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strncpy(drvinfo->driver, "pasemi_mac", 12);
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strcpy(drvinfo->version, "N/A");
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strcpy(drvinfo->fw_version, "N/A");
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strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32);
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}
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static u32
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pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
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{
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struct pasemi_mac *mac = netdev_priv(netdev);
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return mac->msg_enable;
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}
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static void
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pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
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u32 level)
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{
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struct pasemi_mac *mac = netdev_priv(netdev);
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mac->msg_enable = level;
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}
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static void
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pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ering)
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{
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struct pasemi_mac *mac = netdev->priv;
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ering->tx_max_pending = TX_RING_SIZE/2;
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ering->tx_pending = RING_USED(mac->tx)/2;
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ering->rx_max_pending = RX_RING_SIZE/4;
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ering->rx_pending = RING_USED(mac->rx)/4;
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}
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static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
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{
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switch (sset) {
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case ETH_SS_STATS:
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return ARRAY_SIZE(ethtool_stats_keys);
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default:
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return -EOPNOTSUPP;
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}
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}
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static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct pasemi_mac *mac = netdev->priv;
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int i;
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data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
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>> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
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for (i = 0; i < 32; i++)
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data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
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}
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static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
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u8 *data)
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{
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memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
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}
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const struct ethtool_ops pasemi_mac_ethtool_ops = {
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.get_settings = pasemi_mac_ethtool_get_settings,
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.get_drvinfo = pasemi_mac_ethtool_get_drvinfo,
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.get_msglevel = pasemi_mac_ethtool_get_msglevel,
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.set_msglevel = pasemi_mac_ethtool_set_msglevel,
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.get_link = ethtool_op_get_link,
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.get_ringparam = pasemi_mac_ethtool_get_ringparam,
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.get_strings = pasemi_mac_get_strings,
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.get_sset_count = pasemi_mac_get_sset_count,
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.get_ethtool_stats = pasemi_mac_get_ethtool_stats,
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};
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