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Commit b5dbc858 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 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
parents d34e14f6 c02db8c6
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+19 −4
Original line number Diff line number Diff line
@@ -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 */
+3 −18
Original line number Diff line number Diff line
@@ -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)
{
+110 −49
Original line number Diff line number Diff line
@@ -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 (err < 0)
	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;
		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);
			err = do_setvfinfo(dev, attr);
			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;

+24 −10
Original line number Diff line number Diff line
@@ -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());

EXPORT_SYMBOL(__tcp_get_md5sig_pool);
	local_bh_enable();
	return NULL;
}
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 −0
Original line number Diff line number Diff line
@@ -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);
}