ethtool: Add RX pkt classification interface
Signed-off-by: Santwona Behera <santwona.behera@sun.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
3876732c12
commit
59089d8d16
|
@ -7,6 +7,7 @@
|
|||
* Portions Copyright 2002 Intel (eli.kupermann@intel.com,
|
||||
* christopher.leech@intel.com,
|
||||
* scott.feldman@intel.com)
|
||||
* Portions Copyright (C) Sun Microsystems 2008
|
||||
*/
|
||||
|
||||
#ifndef _LINUX_ETHTOOL_H
|
||||
|
@ -287,10 +288,75 @@ enum ethtool_flags {
|
|||
ETH_FLAG_LRO = (1 << 15), /* LRO is enabled */
|
||||
};
|
||||
|
||||
struct ethtool_rxnfc {
|
||||
__u32 cmd;
|
||||
/* The following structures are for supporting RX network flow
|
||||
* classification configuration. Note, all multibyte fields, e.g.,
|
||||
* ip4src, ip4dst, psrc, pdst, spi, etc. are expected to be in network
|
||||
* byte order.
|
||||
*/
|
||||
struct ethtool_tcpip4_spec {
|
||||
__be32 ip4src;
|
||||
__be32 ip4dst;
|
||||
__be16 psrc;
|
||||
__be16 pdst;
|
||||
__u8 tos;
|
||||
};
|
||||
|
||||
struct ethtool_ah_espip4_spec {
|
||||
__be32 ip4src;
|
||||
__be32 ip4dst;
|
||||
__be32 spi;
|
||||
__u8 tos;
|
||||
};
|
||||
|
||||
struct ethtool_rawip4_spec {
|
||||
__be32 ip4src;
|
||||
__be32 ip4dst;
|
||||
__u8 hdata[64];
|
||||
};
|
||||
|
||||
struct ethtool_ether_spec {
|
||||
__be16 ether_type;
|
||||
__u8 frame_size;
|
||||
__u8 eframe[16];
|
||||
};
|
||||
|
||||
#define ETH_RX_NFC_IP4 1
|
||||
#define ETH_RX_NFC_IP6 2
|
||||
|
||||
struct ethtool_usrip4_spec {
|
||||
__be32 ip4src;
|
||||
__be32 ip4dst;
|
||||
__be32 l4_4_bytes;
|
||||
__u8 tos;
|
||||
__u8 ip_ver;
|
||||
__u8 proto;
|
||||
};
|
||||
|
||||
struct ethtool_rx_flow_spec {
|
||||
__u32 flow_type;
|
||||
__u64 data;
|
||||
union {
|
||||
struct ethtool_tcpip4_spec tcp_ip4_spec;
|
||||
struct ethtool_tcpip4_spec udp_ip4_spec;
|
||||
struct ethtool_tcpip4_spec sctp_ip4_spec;
|
||||
struct ethtool_ah_espip4_spec ah_ip4_spec;
|
||||
struct ethtool_ah_espip4_spec esp_ip4_spec;
|
||||
struct ethtool_rawip4_spec raw_ip4_spec;
|
||||
struct ethtool_ether_spec ether_spec;
|
||||
struct ethtool_usrip4_spec usr_ip4_spec;
|
||||
__u8 hdata[64];
|
||||
} h_u, m_u; /* entry, mask */
|
||||
__u64 ring_cookie;
|
||||
__u32 location;
|
||||
};
|
||||
|
||||
struct ethtool_rxnfc {
|
||||
__u32 cmd;
|
||||
__u32 flow_type;
|
||||
/* The rx flow hash value or the rule DB size */
|
||||
__u64 data;
|
||||
struct ethtool_rx_flow_spec fs;
|
||||
__u32 rule_cnt;
|
||||
__u32 rule_locs[0];
|
||||
};
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
@ -417,8 +483,8 @@ struct ethtool_ops {
|
|||
/* the following hooks are obsolete */
|
||||
int (*self_test_count)(struct net_device *);/* use get_sset_count */
|
||||
int (*get_stats_count)(struct net_device *);/* use get_sset_count */
|
||||
int (*get_rxhash)(struct net_device *, struct ethtool_rxnfc *);
|
||||
int (*set_rxhash)(struct net_device *, struct ethtool_rxnfc *);
|
||||
int (*get_rxnfc)(struct net_device *, struct ethtool_rxnfc *, void *);
|
||||
int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
|
||||
};
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
|
@ -469,6 +535,12 @@ struct ethtool_ops {
|
|||
#define ETHTOOL_SRXFH 0x0000002a /* Set RX flow hash configuration */
|
||||
#define ETHTOOL_GGRO 0x0000002b /* Get GRO enable (ethtool_value) */
|
||||
#define ETHTOOL_SGRO 0x0000002c /* Set GRO enable (ethtool_value) */
|
||||
#define ETHTOOL_GRXRINGS 0x0000002d /* Get RX rings available for LB */
|
||||
#define ETHTOOL_GRXCLSRLCNT 0x0000002e /* Get RX class rule count */
|
||||
#define ETHTOOL_GRXCLSRULE 0x0000002f /* Get RX classification rule */
|
||||
#define ETHTOOL_GRXCLSRLALL 0x00000030 /* Get all RX classification rule */
|
||||
#define ETHTOOL_SRXCLSRLDEL 0x00000031 /* Delete RX classification rule */
|
||||
#define ETHTOOL_SRXCLSRLINS 0x00000032 /* Insert RX classification rule */
|
||||
|
||||
/* compatibility with older code */
|
||||
#define SPARC_ETH_GSET ETHTOOL_GSET
|
||||
|
@ -565,9 +637,13 @@ struct ethtool_ops {
|
|||
#define UDP_V6_FLOW 0x06
|
||||
#define SCTP_V6_FLOW 0x07
|
||||
#define AH_ESP_V6_FLOW 0x08
|
||||
#define AH_V4_FLOW 0x09
|
||||
#define ESP_V4_FLOW 0x0a
|
||||
#define AH_V6_FLOW 0x0b
|
||||
#define ESP_V6_FLOW 0x0c
|
||||
#define IP_USER_FLOW 0x0d
|
||||
|
||||
/* L3-L4 network traffic flow hash options */
|
||||
#define RXH_DEV_PORT (1 << 0)
|
||||
#define RXH_L2DA (1 << 1)
|
||||
#define RXH_VLAN (1 << 2)
|
||||
#define RXH_L3_PROTO (1 << 3)
|
||||
|
@ -577,5 +653,6 @@ struct ethtool_ops {
|
|||
#define RXH_L4_B_2_3 (1 << 7) /* dst port in case of TCP/UDP/SCTP */
|
||||
#define RXH_DISCARD (1 << 31)
|
||||
|
||||
#define RX_CLS_FLOW_DISC 0xffffffffffffffffULL
|
||||
|
||||
#endif /* _LINUX_ETHTOOL_H */
|
||||
|
|
|
@ -209,34 +209,62 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int ethtool_set_rxhash(struct net_device *dev, void __user *useraddr)
|
||||
static int ethtool_set_rxnfc(struct net_device *dev, void __user *useraddr)
|
||||
{
|
||||
struct ethtool_rxnfc cmd;
|
||||
|
||||
if (!dev->ethtool_ops->set_rxhash)
|
||||
if (!dev->ethtool_ops->set_rxnfc)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
|
||||
return -EFAULT;
|
||||
|
||||
return dev->ethtool_ops->set_rxhash(dev, &cmd);
|
||||
return dev->ethtool_ops->set_rxnfc(dev, &cmd);
|
||||
}
|
||||
|
||||
static int ethtool_get_rxhash(struct net_device *dev, void __user *useraddr)
|
||||
static int ethtool_get_rxnfc(struct net_device *dev, void __user *useraddr)
|
||||
{
|
||||
struct ethtool_rxnfc info;
|
||||
const struct ethtool_ops *ops = dev->ethtool_ops;
|
||||
int ret;
|
||||
void *rule_buf = NULL;
|
||||
|
||||
if (!dev->ethtool_ops->get_rxhash)
|
||||
if (!ops->get_rxnfc)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
if (copy_from_user(&info, useraddr, sizeof(info)))
|
||||
return -EFAULT;
|
||||
|
||||
dev->ethtool_ops->get_rxhash(dev, &info);
|
||||
if (info.cmd == ETHTOOL_GRXCLSRLALL) {
|
||||
if (info.rule_cnt > 0) {
|
||||
rule_buf = kmalloc(info.rule_cnt * sizeof(u32),
|
||||
GFP_USER);
|
||||
if (!rule_buf)
|
||||
return -ENOMEM;
|
||||
}
|
||||
}
|
||||
|
||||
ret = ops->get_rxnfc(dev, &info, rule_buf);
|
||||
if (ret < 0)
|
||||
goto err_out;
|
||||
|
||||
ret = -EFAULT;
|
||||
if (copy_to_user(useraddr, &info, sizeof(info)))
|
||||
return -EFAULT;
|
||||
return 0;
|
||||
goto err_out;
|
||||
|
||||
if (rule_buf) {
|
||||
useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
|
||||
if (copy_to_user(useraddr, rule_buf,
|
||||
info.rule_cnt * sizeof(u32)))
|
||||
goto err_out;
|
||||
}
|
||||
ret = 0;
|
||||
|
||||
err_out:
|
||||
if (rule_buf)
|
||||
kfree(rule_buf);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
|
||||
|
@ -901,6 +929,10 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
|
|||
case ETHTOOL_GFLAGS:
|
||||
case ETHTOOL_GPFLAGS:
|
||||
case ETHTOOL_GRXFH:
|
||||
case ETHTOOL_GRXRINGS:
|
||||
case ETHTOOL_GRXCLSRLCNT:
|
||||
case ETHTOOL_GRXCLSRULE:
|
||||
case ETHTOOL_GRXCLSRLALL:
|
||||
break;
|
||||
default:
|
||||
if (!capable(CAP_NET_ADMIN))
|
||||
|
@ -1052,10 +1084,16 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
|
|||
dev->ethtool_ops->set_priv_flags);
|
||||
break;
|
||||
case ETHTOOL_GRXFH:
|
||||
rc = ethtool_get_rxhash(dev, useraddr);
|
||||
case ETHTOOL_GRXRINGS:
|
||||
case ETHTOOL_GRXCLSRLCNT:
|
||||
case ETHTOOL_GRXCLSRULE:
|
||||
case ETHTOOL_GRXCLSRLALL:
|
||||
rc = ethtool_get_rxnfc(dev, useraddr);
|
||||
break;
|
||||
case ETHTOOL_SRXFH:
|
||||
rc = ethtool_set_rxhash(dev, useraddr);
|
||||
case ETHTOOL_SRXCLSRLDEL:
|
||||
case ETHTOOL_SRXCLSRLINS:
|
||||
rc = ethtool_set_rxnfc(dev, useraddr);
|
||||
break;
|
||||
case ETHTOOL_GGRO:
|
||||
rc = ethtool_get_gro(dev, useraddr);
|
||||
|
|
Loading…
Reference in a new issue