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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  rtnetlink: make SR-IOV VF interface symmetric
  sctp: delete active ICMP proto unreachable timer when free transport
  tcp: fix MD5 (RFC2385) support
This commit is contained in:
Linus Torvalds 2010-05-16 11:11:53 -07:00
commit b5dbc85871
5 changed files with 160 additions and 81 deletions
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23
include/linux/if_link.h
View file

@ -79,10 +79,7 @@ enum {
IFLA_NET_NS_PID,
IFLA_IFALIAS,
IFLA_NUM_VF, /* Number of VFs if device is SR-IOV PF */
IFLA_VF_MAC, /* Hardware queue specific attributes */
IFLA_VF_VLAN,
IFLA_VF_TX_RATE, /* TX Bandwidth Allocation */
IFLA_VFINFO,
IFLA_VFINFO_LIST,
__IFLA_MAX
};
@ -203,6 +200,24 @@ enum macvlan_mode {
/* SR-IOV virtual function managment section */
enum {
IFLA_VF_INFO_UNSPEC,
IFLA_VF_INFO,
__IFLA_VF_INFO_MAX,
};
#define IFLA_VF_INFO_MAX (__IFLA_VF_INFO_MAX - 1)
enum {
IFLA_VF_UNSPEC,
IFLA_VF_MAC, /* Hardware queue specific attributes */
IFLA_VF_VLAN,
IFLA_VF_TX_RATE, /* TX Bandwidth Allocation */
__IFLA_VF_MAX,
};
#define IFLA_VF_MAX (__IFLA_VF_MAX - 1)
struct ifla_vf_mac {
__u32 vf;
__u8 mac[32]; /* MAX_ADDR_LEN */

21
include/net/tcp.h
View file

@ -1197,30 +1197,15 @@ extern int tcp_v4_md5_do_del(struct sock *sk,
extern struct tcp_md5sig_pool * __percpu *tcp_alloc_md5sig_pool(struct sock *);
extern void tcp_free_md5sig_pool(void);
extern struct tcp_md5sig_pool *__tcp_get_md5sig_pool(int cpu);
extern void __tcp_put_md5sig_pool(void);
extern struct tcp_md5sig_pool *tcp_get_md5sig_pool(void);
extern void tcp_put_md5sig_pool(void);
extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, struct tcphdr *);
extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, struct sk_buff *,
unsigned header_len);
extern int tcp_md5_hash_key(struct tcp_md5sig_pool *hp,
struct tcp_md5sig_key *key);
static inline
struct tcp_md5sig_pool *tcp_get_md5sig_pool(void)
{
int cpu = get_cpu();
struct tcp_md5sig_pool *ret = __tcp_get_md5sig_pool(cpu);
if (!ret)
put_cpu();
return ret;
}
static inline void tcp_put_md5sig_pool(void)
{
__tcp_put_md5sig_pool();
put_cpu();
}
/* write queue abstraction */
static inline void tcp_write_queue_purge(struct sock *sk)
{

151
net/core/rtnetlink.c
View file

@ -602,12 +602,19 @@ static void copy_rtnl_link_stats(struct rtnl_link_stats *a,
a->tx_compressed = b->tx_compressed;
};
/* All VF info */
static inline int rtnl_vfinfo_size(const struct net_device *dev)
{
if (dev->dev.parent && dev_is_pci(dev->dev.parent))
return dev_num_vf(dev->dev.parent) *
sizeof(struct ifla_vf_info);
else
if (dev->dev.parent && dev_is_pci(dev->dev.parent)) {
int num_vfs = dev_num_vf(dev->dev.parent);
size_t size = nlmsg_total_size(sizeof(struct nlattr));
size += nlmsg_total_size(num_vfs * sizeof(struct nlattr));
size += num_vfs * (sizeof(struct ifla_vf_mac) +
sizeof(struct ifla_vf_vlan) +
sizeof(struct ifla_vf_tx_rate));
return size;
} else
return 0;
}
@ -629,7 +636,7 @@ static inline size_t if_nlmsg_size(const struct net_device *dev)
+ nla_total_size(1) /* IFLA_OPERSTATE */
+ nla_total_size(1) /* IFLA_LINKMODE */
+ nla_total_size(4) /* IFLA_NUM_VF */
+ nla_total_size(rtnl_vfinfo_size(dev)) /* IFLA_VFINFO */
+ rtnl_vfinfo_size(dev) /* IFLA_VFINFO_LIST */
+ rtnl_link_get_size(dev); /* IFLA_LINKINFO */
}
@ -700,14 +707,37 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
if (dev->netdev_ops->ndo_get_vf_config && dev->dev.parent) {
int i;
struct ifla_vf_info ivi;
NLA_PUT_U32(skb, IFLA_NUM_VF, dev_num_vf(dev->dev.parent));
for (i = 0; i < dev_num_vf(dev->dev.parent); i++) {
struct nlattr *vfinfo, *vf;
int num_vfs = dev_num_vf(dev->dev.parent);
NLA_PUT_U32(skb, IFLA_NUM_VF, num_vfs);
vfinfo = nla_nest_start(skb, IFLA_VFINFO_LIST);
if (!vfinfo)
goto nla_put_failure;
for (i = 0; i < num_vfs; i++) {
struct ifla_vf_info ivi;
struct ifla_vf_mac vf_mac;
struct ifla_vf_vlan vf_vlan;
struct ifla_vf_tx_rate vf_tx_rate;
if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi))
break;
NLA_PUT(skb, IFLA_VFINFO, sizeof(ivi), &ivi);
vf_mac.vf = vf_vlan.vf = vf_tx_rate.vf = ivi.vf;
memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
vf_vlan.vlan = ivi.vlan;
vf_vlan.qos = ivi.qos;
vf_tx_rate.rate = ivi.tx_rate;
vf = nla_nest_start(skb, IFLA_VF_INFO);
if (!vf) {
nla_nest_cancel(skb, vfinfo);
goto nla_put_failure;
}
NLA_PUT(skb, IFLA_VF_MAC, sizeof(vf_mac), &vf_mac);
NLA_PUT(skb, IFLA_VF_VLAN, sizeof(vf_vlan), &vf_vlan);
NLA_PUT(skb, IFLA_VF_TX_RATE, sizeof(vf_tx_rate), &vf_tx_rate);
nla_nest_end(skb, vf);
}
nla_nest_end(skb, vfinfo);
}
if (dev->rtnl_link_ops) {
if (rtnl_link_fill(skb, dev) < 0)
@ -769,12 +799,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_LINKINFO] = { .type = NLA_NESTED },
[IFLA_NET_NS_PID] = { .type = NLA_U32 },
[IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 },
[IFLA_VF_MAC] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_mac) },
[IFLA_VF_VLAN] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_vlan) },
[IFLA_VF_TX_RATE] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_tx_rate) },
[IFLA_VFINFO_LIST] = {. type = NLA_NESTED },
};
EXPORT_SYMBOL(ifla_policy);
@ -783,6 +808,19 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
[IFLA_INFO_DATA] = { .type = NLA_NESTED },
};
static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = {
[IFLA_VF_INFO] = { .type = NLA_NESTED },
};
static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
[IFLA_VF_MAC] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_mac) },
[IFLA_VF_VLAN] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_vlan) },
[IFLA_VF_TX_RATE] = { .type = NLA_BINARY,
.len = sizeof(struct ifla_vf_tx_rate) },
};
struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[])
{
struct net *net;
@ -812,6 +850,52 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
return 0;
}
static int do_setvfinfo(struct net_device *dev, struct nlattr *attr)
{
int rem, err = -EINVAL;
struct nlattr *vf;
const struct net_device_ops *ops = dev->netdev_ops;
nla_for_each_nested(vf, attr, rem) {
switch (nla_type(vf)) {
case IFLA_VF_MAC: {
struct ifla_vf_mac *ivm;
ivm = nla_data(vf);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_mac)
err = ops->ndo_set_vf_mac(dev, ivm->vf,
ivm->mac);
break;
}
case IFLA_VF_VLAN: {
struct ifla_vf_vlan *ivv;
ivv = nla_data(vf);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_vlan)
err = ops->ndo_set_vf_vlan(dev, ivv->vf,
ivv->vlan,
ivv->qos);
break;
}
case IFLA_VF_TX_RATE: {
struct ifla_vf_tx_rate *ivt;
ivt = nla_data(vf);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_tx_rate)
err = ops->ndo_set_vf_tx_rate(dev, ivt->vf,
ivt->rate);
break;
}
default:
err = -EINVAL;
break;
}
if (err)
break;
}
return err;
}
static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
struct nlattr **tb, char *ifname, int modified)
{
@ -942,40 +1026,17 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
write_unlock_bh(&dev_base_lock);
}
if (tb[IFLA_VF_MAC]) {
struct ifla_vf_mac *ivm;
ivm = nla_data(tb[IFLA_VF_MAC]);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_mac)
err = ops->ndo_set_vf_mac(dev, ivm->vf, ivm->mac);
if (tb[IFLA_VFINFO_LIST]) {
struct nlattr *attr;
int rem;
nla_for_each_nested(attr, tb[IFLA_VFINFO_LIST], rem) {
if (nla_type(attr) != IFLA_VF_INFO)
goto errout;
err = do_setvfinfo(dev, attr);
if (err < 0)
goto errout;
modified = 1;
}
if (tb[IFLA_VF_VLAN]) {
struct ifla_vf_vlan *ivv;
ivv = nla_data(tb[IFLA_VF_VLAN]);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_vlan)
err = ops->ndo_set_vf_vlan(dev, ivv->vf,
ivv->vlan,
ivv->qos);
if (err < 0)
goto errout;
modified = 1;
}
err = 0;
if (tb[IFLA_VF_TX_RATE]) {
struct ifla_vf_tx_rate *ivt;
ivt = nla_data(tb[IFLA_VF_TX_RATE]);
err = -EOPNOTSUPP;
if (ops->ndo_set_vf_tx_rate)
err = ops->ndo_set_vf_tx_rate(dev, ivt->vf, ivt->rate);
if (err < 0)
goto errout;
modified = 1;
}
err = 0;

34
net/ipv4/tcp.c
View file

@ -2839,7 +2839,6 @@ static void __tcp_free_md5sig_pool(struct tcp_md5sig_pool * __percpu *pool)
if (p->md5_desc.tfm)
crypto_free_hash(p->md5_desc.tfm);
kfree(p);
p = NULL;
}
}
free_percpu(pool);
@ -2937,25 +2936,40 @@ struct tcp_md5sig_pool * __percpu *tcp_alloc_md5sig_pool(struct sock *sk)
EXPORT_SYMBOL(tcp_alloc_md5sig_pool);
struct tcp_md5sig_pool *__tcp_get_md5sig_pool(int cpu)
/**
* tcp_get_md5sig_pool - get md5sig_pool for this user
*
* We use percpu structure, so if we succeed, we exit with preemption
* and BH disabled, to make sure another thread or softirq handling
* wont try to get same context.
*/
struct tcp_md5sig_pool *tcp_get_md5sig_pool(void)
{
struct tcp_md5sig_pool * __percpu *p;
spin_lock_bh(&tcp_md5sig_pool_lock);
local_bh_disable();
spin_lock(&tcp_md5sig_pool_lock);
p = tcp_md5sig_pool;
if (p)
tcp_md5sig_users++;
spin_unlock_bh(&tcp_md5sig_pool_lock);
return (p ? *per_cpu_ptr(p, cpu) : NULL);
spin_unlock(&tcp_md5sig_pool_lock);
if (p)
return *per_cpu_ptr(p, smp_processor_id());
local_bh_enable();
return NULL;
}
EXPORT_SYMBOL(tcp_get_md5sig_pool);
EXPORT_SYMBOL(__tcp_get_md5sig_pool);
void __tcp_put_md5sig_pool(void)
void tcp_put_md5sig_pool(void)
{
local_bh_enable();
tcp_free_md5sig_pool();
}
EXPORT_SYMBOL(__tcp_put_md5sig_pool);
EXPORT_SYMBOL(tcp_put_md5sig_pool);
int tcp_md5_hash_header(struct tcp_md5sig_pool *hp,
struct tcphdr *th)

4
net/sctp/transport.c
View file

@ -173,6 +173,10 @@ void sctp_transport_free(struct sctp_transport *transport)
del_timer(&transport->T3_rtx_timer))
sctp_transport_put(transport);
/* Delete the ICMP proto unreachable timer if it's active. */
if (timer_pending(&transport->proto_unreach_timer) &&
del_timer(&transport->proto_unreach_timer))
sctp_association_put(transport->asoc);
sctp_transport_put(transport);
}