C++ (Cpp) tcf_action_dump Examples

Example #1

File: act_api.c Project: AiWinters/linux

static int
tca_get_fill(struct sk_buff *skb, struct tc_action *a, u32 portid, u32 seq,
	     u16 flags, int event, int bind, int ref)
{
	struct tcamsg *t;
	struct nlmsghdr *nlh;
	unsigned char *b = skb_tail_pointer(skb);
	struct nlattr *nest;

	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*t), flags);
	if (!nlh)
		goto out_nlmsg_trim;
	t = nlmsg_data(nlh);
	t->tca_family = AF_UNSPEC;
	t->tca__pad1 = 0;
	t->tca__pad2 = 0;

	nest = nla_nest_start(skb, TCA_ACT_TAB);
	if (nest == NULL)
		goto out_nlmsg_trim;

	if (tcf_action_dump(skb, a, bind, ref) < 0)
		goto out_nlmsg_trim;

	nla_nest_end(skb, nest);

	nlh->nlmsg_len = skb_tail_pointer(skb) - b;
	return skb->len;

out_nlmsg_trim:
	nlmsg_trim(skb, b);
	return -1;
}

Example #2

File: act_api.c Project: Voskrese/mipsonqemu

static int
tca_get_fill(struct sk_buff *skb, struct tc_action *a, u32 pid, u32 seq,
             u16 flags, int event, int bind, int ref)
{
	struct tcamsg *t;
	struct nlmsghdr *nlh;
	unsigned char *b = skb->tail;
	struct rtattr *x;

	nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);

	t = NLMSG_DATA(nlh);
	t->tca_family = AF_UNSPEC;
	t->tca__pad1 = 0;
	t->tca__pad2 = 0;
	
	x = (struct rtattr*) skb->tail;
	RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);

	if (tcf_action_dump(skb, a, bind, ref) < 0)
		goto rtattr_failure;

	x->rta_len = skb->tail - (u8*)x;
	
	nlh->nlmsg_len = skb->tail - b;
	return skb->len;

rtattr_failure:
nlmsg_failure:
	skb_trim(skb, b - skb->data);
	return -1;
}

Example #3

File: act_api.c Project: AiWinters/linux

static int tcf_add_notify(struct net *net, struct tc_action *a,
			  u32 portid, u32 seq, int event, u16 flags)
{
	struct tcamsg *t;
	struct nlmsghdr *nlh;
	struct sk_buff *skb;
	struct nlattr *nest;
	unsigned char *b;
	int err = 0;

	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
	if (!skb)
		return -ENOBUFS;

	b = skb_tail_pointer(skb);

	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*t), flags);
	if (!nlh)
		goto out_kfree_skb;
	t = nlmsg_data(nlh);
	t->tca_family = AF_UNSPEC;
	t->tca__pad1 = 0;
	t->tca__pad2 = 0;

	nest = nla_nest_start(skb, TCA_ACT_TAB);
	if (nest == NULL)
		goto out_kfree_skb;

	if (tcf_action_dump(skb, a, 0, 0) < 0)
		goto out_kfree_skb;

	nla_nest_end(skb, nest);

	nlh->nlmsg_len = skb_tail_pointer(skb) - b;
	NETLINK_CB(skb).dst_group = RTNLGRP_TC;

	err = rtnetlink_send(skb, net, portid, RTNLGRP_TC, flags & NLM_F_ECHO);
	if (err > 0)
		err = 0;
	return err;

out_kfree_skb:
	kfree_skb(skb);
	return -1;
}

Example #4

File: act_api.c Project: Voskrese/mipsonqemu

static int tcf_add_notify(struct tc_action *a, u32 pid, u32 seq, int event,
                          u16 flags)
{
	struct tcamsg *t;
	struct nlmsghdr *nlh;
	struct sk_buff *skb;
	struct rtattr *x;
	unsigned char *b;
	int err = 0;

	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
	if (!skb)
		return -ENOBUFS;

	b = (unsigned char *)skb->tail;

	nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);
	t = NLMSG_DATA(nlh);
	t->tca_family = AF_UNSPEC;
	t->tca__pad1 = 0;
	t->tca__pad2 = 0;

	x = (struct rtattr*) skb->tail;
	RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);

	if (tcf_action_dump(skb, a, 0, 0) < 0)
		goto rtattr_failure;

	x->rta_len = skb->tail - (u8*)x;
	
	nlh->nlmsg_len = skb->tail - b;
	NETLINK_CB(skb).dst_group = RTNLGRP_TC;
	
	err = rtnetlink_send(skb, pid, RTNLGRP_TC, flags&NLM_F_ECHO);
	if (err > 0)
		err = 0;
	return err;

rtattr_failure:
nlmsg_failure:
	kfree_skb(skb);
	return -1;
}