net: sxgbe: add ethtool related functions support Samsung sxgbe
This patch adds ethtool related functions. Signed-off-by: Vipul Pandya <vipul.pandya@samsung.com> Neatening-by: Joe Perches <joe@perches.com> Signed-off-by: Byungho An <bh74.an@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vipul Pandya
David S. Miller
Родитель
8f7807ae41
Коммит
25f72a746a
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@ -197,6 +197,20 @@ enum dma_irq_status {
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#define SXGBE_FOR_EACH_QUEUE(max_queues, queue_num) \
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for (queue_num = 0; queue_num < max_queues; queue_num++)
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#define DRV_VERSION "1.0.0"
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#define SXGBE_MAX_RX_CHANNELS 16
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#define SXGBE_MAX_TX_CHANNELS 16
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#define START_MAC_REG_OFFSET 0x0000
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#define MAX_MAC_REG_OFFSET 0x0DFC
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#define START_MTL_REG_OFFSET 0x1000
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#define MAX_MTL_REG_OFFSET 0x18FC
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#define START_DMA_REG_OFFSET 0x3000
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#define MAX_DMA_REG_OFFSET 0x38FC
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#define REG_SPACE_SIZE 0x2000
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/* sxgbe statistics counters */
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struct sxgbe_extra_stats {
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/* TX/RX IRQ events */
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@ -482,6 +496,7 @@ struct sxgbe_priv_data {
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/* advanced time stamp support */
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u32 adv_ts;
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int use_riwt;
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struct ptp_clock *ptp_clock;
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/* tc control */
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int tx_tc;
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@ -517,5 +532,4 @@ const struct sxgbe_mtl_ops *sxgbe_get_mtl_ops(void);
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void sxgbe_disable_eee_mode(struct sxgbe_priv_data * const priv);
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bool sxgbe_eee_init(struct sxgbe_priv_data * const priv);
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#endif /* __SXGBE_COMMON_H__ */
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@ -12,11 +12,17 @@
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/clk.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/netdevice.h>
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#include <linux/net_tstamp.h>
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#include <linux/phy.h>
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#include <linux/ptp_clock_kernel.h>
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#include "sxgbe_common.h"
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#include "sxgbe_reg.h"
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#include "sxgbe_dma.h"
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struct sxgbe_stats {
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char stat_string[ETH_GSTRING_LEN];
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@ -32,11 +38,100 @@ struct sxgbe_stats {
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}
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static const struct sxgbe_stats sxgbe_gstrings_stats[] = {
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/* TX/RX IRQ events */
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SXGBE_STAT(tx_process_stopped_irq),
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SXGBE_STAT(tx_ctxt_desc_err),
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SXGBE_STAT(tx_threshold),
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SXGBE_STAT(rx_threshold),
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SXGBE_STAT(tx_pkt_n),
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SXGBE_STAT(rx_pkt_n),
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SXGBE_STAT(normal_irq_n),
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SXGBE_STAT(tx_normal_irq_n),
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SXGBE_STAT(rx_normal_irq_n),
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SXGBE_STAT(napi_poll),
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SXGBE_STAT(tx_clean),
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SXGBE_STAT(tx_reset_ic_bit),
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SXGBE_STAT(rx_process_stopped_irq),
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SXGBE_STAT(rx_underflow_irq),
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/* Bus access errors */
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SXGBE_STAT(fatal_bus_error_irq),
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SXGBE_STAT(tx_read_transfer_err),
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SXGBE_STAT(tx_write_transfer_err),
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SXGBE_STAT(tx_desc_access_err),
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SXGBE_STAT(tx_buffer_access_err),
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SXGBE_STAT(tx_data_transfer_err),
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SXGBE_STAT(rx_read_transfer_err),
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SXGBE_STAT(rx_write_transfer_err),
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SXGBE_STAT(rx_desc_access_err),
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SXGBE_STAT(rx_buffer_access_err),
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SXGBE_STAT(rx_data_transfer_err),
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/* EEE-LPI stats */
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SXGBE_STAT(tx_lpi_entry_n),
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SXGBE_STAT(tx_lpi_exit_n),
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SXGBE_STAT(rx_lpi_entry_n),
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SXGBE_STAT(rx_lpi_exit_n),
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SXGBE_STAT(eee_wakeup_error_n),
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/* RX specific */
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/* L2 error */
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SXGBE_STAT(rx_code_gmii_err),
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SXGBE_STAT(rx_watchdog_err),
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SXGBE_STAT(rx_crc_err),
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SXGBE_STAT(rx_gaint_pkt_err),
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SXGBE_STAT(ip_hdr_err),
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SXGBE_STAT(ip_payload_err),
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SXGBE_STAT(overflow_error),
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/* L2 Pkt type */
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SXGBE_STAT(len_pkt),
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SXGBE_STAT(mac_ctl_pkt),
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SXGBE_STAT(dcb_ctl_pkt),
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SXGBE_STAT(arp_pkt),
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SXGBE_STAT(oam_pkt),
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SXGBE_STAT(untag_okt),
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SXGBE_STAT(other_pkt),
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SXGBE_STAT(svlan_tag_pkt),
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SXGBE_STAT(cvlan_tag_pkt),
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SXGBE_STAT(dvlan_ocvlan_icvlan_pkt),
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SXGBE_STAT(dvlan_osvlan_isvlan_pkt),
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SXGBE_STAT(dvlan_osvlan_icvlan_pkt),
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SXGBE_STAT(dvan_ocvlan_icvlan_pkt),
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/* L3/L4 Pkt type */
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SXGBE_STAT(not_ip_pkt),
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SXGBE_STAT(ip4_tcp_pkt),
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SXGBE_STAT(ip4_udp_pkt),
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SXGBE_STAT(ip4_icmp_pkt),
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SXGBE_STAT(ip4_unknown_pkt),
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SXGBE_STAT(ip6_tcp_pkt),
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SXGBE_STAT(ip6_udp_pkt),
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SXGBE_STAT(ip6_icmp_pkt),
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SXGBE_STAT(ip6_unknown_pkt),
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/* Filter specific */
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SXGBE_STAT(vlan_filter_match),
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SXGBE_STAT(sa_filter_fail),
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SXGBE_STAT(da_filter_fail),
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SXGBE_STAT(hash_filter_pass),
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SXGBE_STAT(l3_filter_match),
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SXGBE_STAT(l4_filter_match),
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/* RX context specific */
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SXGBE_STAT(timestamp_dropped),
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SXGBE_STAT(rx_msg_type_no_ptp),
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SXGBE_STAT(rx_ptp_type_sync),
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SXGBE_STAT(rx_ptp_type_follow_up),
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SXGBE_STAT(rx_ptp_type_delay_req),
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SXGBE_STAT(rx_ptp_type_delay_resp),
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SXGBE_STAT(rx_ptp_type_pdelay_req),
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SXGBE_STAT(rx_ptp_type_pdelay_resp),
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SXGBE_STAT(rx_ptp_type_pdelay_follow_up),
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SXGBE_STAT(rx_ptp_announce),
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SXGBE_STAT(rx_ptp_mgmt),
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SXGBE_STAT(rx_ptp_signal),
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SXGBE_STAT(rx_ptp_resv_msg_type),
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};
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#define SXGBE_STATS_LEN ARRAY_SIZE(sxgbe_gstrings_stats)
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@ -80,7 +175,345 @@ static int sxgbe_set_eee(struct net_device *dev,
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return phy_ethtool_set_eee(priv->phydev, edata);
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}
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static void sxgbe_getdrvinfo(struct net_device *dev,
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struct ethtool_drvinfo *info)
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{
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strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
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strlcpy(info->version, DRV_VERSION, sizeof(info->version));
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}
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static int sxgbe_getsettings(struct net_device *dev,
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struct ethtool_cmd *cmd)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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if (priv->phydev)
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return phy_ethtool_gset(priv->phydev, cmd);
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return -EOPNOTSUPP;
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}
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static int sxgbe_setsettings(struct net_device *dev, struct ethtool_cmd *cmd)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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if (priv->phydev)
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return phy_ethtool_sset(priv->phydev, cmd);
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return -EOPNOTSUPP;
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}
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static u32 sxgbe_getmsglevel(struct net_device *dev)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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return priv->msg_enable;
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}
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static void sxgbe_setmsglevel(struct net_device *dev, u32 level)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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priv->msg_enable = level;
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}
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static void sxgbe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
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{
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int i;
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u8 *p = data;
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switch (stringset) {
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case ETH_SS_STATS:
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for (i = 0; i < SXGBE_STATS_LEN; i++) {
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memcpy(p, sxgbe_gstrings_stats[i].stat_string,
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ETH_GSTRING_LEN);
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p += ETH_GSTRING_LEN;
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}
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break;
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default:
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WARN_ON(1);
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break;
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}
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}
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static int sxgbe_get_sset_count(struct net_device *netdev, int sset)
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{
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int len;
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switch (sset) {
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case ETH_SS_STATS:
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len = SXGBE_STATS_LEN;
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return len;
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default:
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return -EINVAL;
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}
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}
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static void sxgbe_get_ethtool_stats(struct net_device *dev,
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struct ethtool_stats *dummy, u64 *data)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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int i;
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char *p;
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if (priv->eee_enabled) {
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int val = phy_get_eee_err(priv->phydev);
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if (val)
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priv->xstats.eee_wakeup_error_n = val;
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}
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for (i = 0; i < SXGBE_STATS_LEN; i++) {
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p = (char *)priv + sxgbe_gstrings_stats[i].stat_offset;
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data[i] = (sxgbe_gstrings_stats[i].sizeof_stat == sizeof(u64))
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? (*(u64 *)p) : (*(u32 *)p);
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}
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}
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static void sxgbe_get_channels(struct net_device *dev,
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struct ethtool_channels *channel)
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{
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channel->max_rx = SXGBE_MAX_RX_CHANNELS;
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channel->max_tx = SXGBE_MAX_TX_CHANNELS;
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channel->rx_count = SXGBE_RX_QUEUES;
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channel->tx_count = SXGBE_TX_QUEUES;
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}
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static u32 sxgbe_riwt2usec(u32 riwt, struct sxgbe_priv_data *priv)
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{
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unsigned long clk = clk_get_rate(priv->sxgbe_clk);
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if (!clk)
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return 0;
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return (riwt * 256) / (clk / 1000000);
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}
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static u32 sxgbe_usec2riwt(u32 usec, struct sxgbe_priv_data *priv)
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{
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unsigned long clk = clk_get_rate(priv->sxgbe_clk);
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if (!clk)
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return 0;
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return (usec * (clk / 1000000)) / 256;
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}
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static int sxgbe_get_coalesce(struct net_device *dev,
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struct ethtool_coalesce *ec)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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if (priv->use_riwt)
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ec->rx_coalesce_usecs = sxgbe_riwt2usec(priv->rx_riwt, priv);
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return 0;
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}
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static int sxgbe_set_coalesce(struct net_device *dev,
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struct ethtool_coalesce *ec)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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unsigned int rx_riwt;
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if (!ec->rx_coalesce_usecs)
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return -EINVAL;
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rx_riwt = sxgbe_usec2riwt(ec->rx_coalesce_usecs, priv);
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if ((rx_riwt > SXGBE_MAX_DMA_RIWT) || (rx_riwt < SXGBE_MIN_DMA_RIWT))
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return -EINVAL;
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else if (!priv->use_riwt)
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return -EOPNOTSUPP;
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priv->rx_riwt = rx_riwt;
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priv->hw->dma->rx_watchdog(priv->ioaddr, priv->rx_riwt);
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return 0;
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}
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static int sxgbe_get_rss_hash_opts(struct sxgbe_priv_data *priv,
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struct ethtool_rxnfc *cmd)
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{
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cmd->data = 0;
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/* Report default options for RSS on sxgbe */
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switch (cmd->flow_type) {
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case TCP_V4_FLOW:
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case UDP_V4_FLOW:
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cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
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case SCTP_V4_FLOW:
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case AH_ESP_V4_FLOW:
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case AH_V4_FLOW:
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case ESP_V4_FLOW:
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case IPV4_FLOW:
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cmd->data |= RXH_IP_SRC | RXH_IP_DST;
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break;
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case TCP_V6_FLOW:
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case UDP_V6_FLOW:
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cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
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case SCTP_V6_FLOW:
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case AH_ESP_V6_FLOW:
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case AH_V6_FLOW:
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case ESP_V6_FLOW:
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case IPV6_FLOW:
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cmd->data |= RXH_IP_SRC | RXH_IP_DST;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int sxgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
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u32 *rule_locs)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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int ret = -EOPNOTSUPP;
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switch (cmd->cmd) {
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case ETHTOOL_GRXFH:
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ret = sxgbe_get_rss_hash_opts(priv, cmd);
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break;
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default:
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break;
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}
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return ret;
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}
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static int sxgbe_set_rss_hash_opt(struct sxgbe_priv_data *priv,
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struct ethtool_rxnfc *cmd)
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{
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u32 reg_val = 0;
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/* RSS does not support anything other than hashing
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* to queues on src and dst IPs and ports
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*/
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if (cmd->data & ~(RXH_IP_SRC | RXH_IP_DST |
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RXH_L4_B_0_1 | RXH_L4_B_2_3))
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return -EINVAL;
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switch (cmd->flow_type) {
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case TCP_V4_FLOW:
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case TCP_V6_FLOW:
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if (!(cmd->data & RXH_IP_SRC) ||
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!(cmd->data & RXH_IP_DST) ||
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!(cmd->data & RXH_L4_B_0_1) ||
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!(cmd->data & RXH_L4_B_2_3))
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return -EINVAL;
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reg_val = SXGBE_CORE_RSS_CTL_TCP4TE;
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break;
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case UDP_V4_FLOW:
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case UDP_V6_FLOW:
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if (!(cmd->data & RXH_IP_SRC) ||
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!(cmd->data & RXH_IP_DST) ||
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!(cmd->data & RXH_L4_B_0_1) ||
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!(cmd->data & RXH_L4_B_2_3))
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return -EINVAL;
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reg_val = SXGBE_CORE_RSS_CTL_UDP4TE;
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break;
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case SCTP_V4_FLOW:
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case AH_ESP_V4_FLOW:
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case AH_V4_FLOW:
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case ESP_V4_FLOW:
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case AH_ESP_V6_FLOW:
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case AH_V6_FLOW:
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case ESP_V6_FLOW:
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case SCTP_V6_FLOW:
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case IPV4_FLOW:
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case IPV6_FLOW:
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if (!(cmd->data & RXH_IP_SRC) ||
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!(cmd->data & RXH_IP_DST) ||
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(cmd->data & RXH_L4_B_0_1) ||
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(cmd->data & RXH_L4_B_2_3))
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return -EINVAL;
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reg_val = SXGBE_CORE_RSS_CTL_IP2TE;
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break;
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default:
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return -EINVAL;
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}
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/* Read SXGBE RSS control register and update */
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reg_val |= readl(priv->ioaddr + SXGBE_CORE_RSS_CTL_REG);
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writel(reg_val, priv->ioaddr + SXGBE_CORE_RSS_CTL_REG);
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readl(priv->ioaddr + SXGBE_CORE_RSS_CTL_REG);
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return 0;
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}
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static int sxgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
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{
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struct sxgbe_priv_data *priv = netdev_priv(dev);
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||||
int ret = -EOPNOTSUPP;
|
||||
|
||||
switch (cmd->cmd) {
|
||||
case ETHTOOL_SRXFH:
|
||||
ret = sxgbe_set_rss_hash_opt(priv, cmd);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void sxgbe_get_regs(struct net_device *dev,
|
||||
struct ethtool_regs *regs, void *space)
|
||||
{
|
||||
struct sxgbe_priv_data *priv = netdev_priv(dev);
|
||||
u32 *reg_space = (u32 *)space;
|
||||
int reg_offset;
|
||||
int reg_ix = 0;
|
||||
void __iomem *ioaddr = priv->ioaddr;
|
||||
|
||||
memset(reg_space, 0x0, REG_SPACE_SIZE);
|
||||
|
||||
/* MAC registers */
|
||||
for (reg_offset = START_MAC_REG_OFFSET;
|
||||
reg_offset <= MAX_MAC_REG_OFFSET; reg_offset += 4) {
|
||||
reg_space[reg_ix] = readl(ioaddr + reg_offset);
|
||||
reg_ix++;
|
||||
}
|
||||
|
||||
/* MTL registers */
|
||||
for (reg_offset = START_MTL_REG_OFFSET;
|
||||
reg_offset <= MAX_MTL_REG_OFFSET; reg_offset += 4) {
|
||||
reg_space[reg_ix] = readl(ioaddr + reg_offset);
|
||||
reg_ix++;
|
||||
}
|
||||
|
||||
/* DMA registers */
|
||||
for (reg_offset = START_DMA_REG_OFFSET;
|
||||
reg_offset <= MAX_DMA_REG_OFFSET; reg_offset += 4) {
|
||||
reg_space[reg_ix] = readl(ioaddr + reg_offset);
|
||||
reg_ix++;
|
||||
}
|
||||
|
||||
BUG_ON(reg_ix * 4 > REG_SPACE_SIZE);
|
||||
}
|
||||
|
||||
static int sxgbe_get_regs_len(struct net_device *dev)
|
||||
{
|
||||
return REG_SPACE_SIZE;
|
||||
}
|
||||
|
||||
static const struct ethtool_ops sxgbe_ethtool_ops = {
|
||||
.get_drvinfo = sxgbe_getdrvinfo,
|
||||
.get_settings = sxgbe_getsettings,
|
||||
.set_settings = sxgbe_setsettings,
|
||||
.get_msglevel = sxgbe_getmsglevel,
|
||||
.set_msglevel = sxgbe_setmsglevel,
|
||||
.get_link = ethtool_op_get_link,
|
||||
.get_strings = sxgbe_get_strings,
|
||||
.get_ethtool_stats = sxgbe_get_ethtool_stats,
|
||||
.get_sset_count = sxgbe_get_sset_count,
|
||||
.get_channels = sxgbe_get_channels,
|
||||
.get_coalesce = sxgbe_get_coalesce,
|
||||
.set_coalesce = sxgbe_set_coalesce,
|
||||
.get_rxnfc = sxgbe_get_rxnfc,
|
||||
.set_rxnfc = sxgbe_set_rxnfc,
|
||||
.get_regs = sxgbe_get_regs,
|
||||
.get_regs_len = sxgbe_get_regs_len,
|
||||
.get_eee = sxgbe_get_eee,
|
||||
.set_eee = sxgbe_set_eee,
|
||||
};
|
||||
|
|
|
|||
|
|
@ -2139,6 +2139,10 @@ struct sxgbe_priv_data *sxgbe_drv_probe(struct device *device,
|
|||
priv->rxcsum_insertion = true;
|
||||
}
|
||||
|
||||
/* Initialise pause frame settings */
|
||||
priv->rx_pause = 1;
|
||||
priv->tx_pause = 1;
|
||||
|
||||
/* Rx Watchdog is available, enable depend on platform data */
|
||||
if (!priv->plat->riwt_off) {
|
||||
priv->use_riwt = 1;
|
||||
|
|
|
|||
|
|
@ -195,6 +195,12 @@
|
|||
#define SXGBE_CORE_RSS_ADD_REG 0x0C88
|
||||
#define SXGBE_CORE_RSS_DATA_REG 0x0C8C
|
||||
|
||||
/* RSS control register bits */
|
||||
#define SXGBE_CORE_RSS_CTL_UDP4TE BIT(3)
|
||||
#define SXGBE_CORE_RSS_CTL_TCP4TE BIT(2)
|
||||
#define SXGBE_CORE_RSS_CTL_IP2TE BIT(1)
|
||||
#define SXGBE_CORE_RSS_CTL_RSSE BIT(0)
|
||||
|
||||
/* IEEE 1588 registers */
|
||||
#define SXGBE_CORE_TSTAMP_CTL_REG 0x0D00
|
||||
#define SXGBE_CORE_SUBSEC_INC_REG 0x0D04
|
||||
|
|
|
|||
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