aboutsummaryrefslogtreecommitdiffstats
path: root/include/net/tcp.h
diff options
context:
space:
mode:
authorStephen Hemminger <shemminger@osdl.org>2005-06-23 23:37:36 -0400
committerDavid S. Miller <davem@davemloft.net>2005-06-23 23:37:36 -0400
commit5f8ef48d240963093451bcf83df89f1a1364f51d (patch)
treececb30c2f59778f7f509a84b3aa7ea097c3f2b27 /include/net/tcp.h
parent51b0bdedb8e784d0d969a6b77151911130812400 (diff)
[TCP]: Allow choosing TCP congestion control via sockopt.
Allow using setsockopt to set TCP congestion control to use on a per socket basis. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e427cf35915c..d04b21188ccb 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1162,8 +1162,9 @@ extern void tcp_init_congestion_control(struct tcp_sock *tp);
1162extern void tcp_cleanup_congestion_control(struct tcp_sock *tp); 1162extern void tcp_cleanup_congestion_control(struct tcp_sock *tp);
1163extern int tcp_set_default_congestion_control(const char *name); 1163extern int tcp_set_default_congestion_control(const char *name);
1164extern void tcp_get_default_congestion_control(char *name); 1164extern void tcp_get_default_congestion_control(char *name);
1165extern int tcp_set_congestion_control(struct tcp_sock *tp, const char *name);
1165 1166
1166extern struct tcp_congestion_ops tcp_reno; 1167extern struct tcp_congestion_ops tcp_init_congestion_ops;
1167extern u32 tcp_reno_ssthresh(struct tcp_sock *tp); 1168extern u32 tcp_reno_ssthresh(struct tcp_sock *tp);
1168extern void tcp_reno_cong_avoid(struct tcp_sock *tp, u32 ack, 1169extern void tcp_reno_cong_avoid(struct tcp_sock *tp, u32 ack,
1169 u32 rtt, u32 in_flight, int flag); 1170 u32 rtt, u32 in_flight, int flag);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-17 17:42:45 -0500
> 110 111 112 113 114 115 
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

133
134
135
136
137
138
139
140
141
142
143
144

145

146

147
148
149
150
151
152
153

154
155

156

157
158





























                                                                       

















                                                          



































































                                                                
















                                                                        











                                                                 
                                             
                                                                  






                                                                  

                                                                 
                                                                   

  
/*
 * Network device driver for Cell Processor-Based Blade
 *
 * (C) Copyright IBM Corp. 2005
 *
 * Authors : Utz Bacher <utz.bacher@de.ibm.com>
 *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/pci.h>

#include "spider_net.h"

static int
spider_net_ethtool_get_settings(struct net_device *netdev,
			       struct ethtool_cmd *cmd)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);

	cmd->supported   = (SUPPORTED_1000baseT_Full |
			     SUPPORTED_FIBRE);
	cmd->advertising = (ADVERTISED_1000baseT_Full |
			     ADVERTISED_FIBRE);
	cmd->port = PORT_FIBRE;
	cmd->speed = card->phy.speed;
	cmd->duplex = DUPLEX_FULL;

	return 0;
}

static void
spider_net_ethtool_get_drvinfo(struct net_device *netdev,
			       struct ethtool_drvinfo *drvinfo)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);

	/* clear and fill out info */
	memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
	strncpy(drvinfo->driver, spider_net_driver_name, 32);
	strncpy(drvinfo->version, "0.1", 32);
	strcpy(drvinfo->fw_version, "no information");
	strncpy(drvinfo->bus_info, pci_name(card->pdev), 32);
}

static void
spider_net_ethtool_get_wol(struct net_device *netdev,
			   struct ethtool_wolinfo *wolinfo)
{
	/* no support for wol */
	wolinfo->supported = 0;
	wolinfo->wolopts = 0;
}

static u32
spider_net_ethtool_get_msglevel(struct net_device *netdev)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);
	return card->msg_enable;
}

static void
spider_net_ethtool_set_msglevel(struct net_device *netdev,
				u32 level)
{
	struct spider_net_card *card;
	card = netdev_priv(netdev);
	card->msg_enable = level;
}

static int
spider_net_ethtool_nway_reset(struct net_device *netdev)
{
	if (netif_running(netdev)) {
		spider_net_stop(netdev);
		spider_net_open(netdev);
	}
	return 0;
}

static u32
spider_net_ethtool_get_rx_csum(struct net_device *netdev)
{
	struct spider_net_card *card = netdev->priv;

	return card->options.rx_csum;
}

static int
spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n)
{
	struct spider_net_card *card = netdev->priv;

	card->options.rx_csum = n;
	return 0;
}

static uint32_t
spider_net_ethtool_get_tx_csum(struct net_device *netdev)
{
        return (netdev->features & NETIF_F_HW_CSUM) != 0;
}

static int
spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
{
        if (data)
                netdev->features |= NETIF_F_HW_CSUM;
        else
                netdev->features &= ~NETIF_F_HW_CSUM;

        return 0;
}

static void
spider_net_ethtool_get_ringparam(struct net_device *netdev,
				 struct ethtool_ringparam *ering)
{
	struct spider_net_card *card = netdev->priv;

	ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX;
	ering->tx_pending = card->tx_desc;
	ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX;
	ering->rx_pending = card->rx_desc;
}

struct ethtool_ops spider_net_ethtool_ops = {
	.get_settings		= spider_net_ethtool_get_settings,
	.get_drvinfo		= spider_net_ethtool_get_drvinfo,
	.get_wol		= spider_net_ethtool_get_wol,
	.get_msglevel		= spider_net_ethtool_get_msglevel,
	.set_msglevel		= spider_net_ethtool_set_msglevel,
	.nway_reset		= spider_net_ethtool_nway_reset,
	.get_rx_csum		= spider_net_ethtool_get_rx_csum,
	.set_rx_csum		= spider_net_ethtool_set_rx_csum,
	.get_tx_csum		= spider_net_ethtool_get_tx_csum,
	.set_tx_csum		= spider_net_ethtool_set_tx_csum,
	.get_ringparam          = spider_net_ethtool_get_ringparam,
};
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-17 17:42:45 -0500