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datapath: backport kfree_skb_list()

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Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Pravin B Shelar
2015-05-15 06:27:35 -07:00
parent 9899125aaa
commit d23239a29f
3 changed files with 18 additions and 0 deletions
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1
acinclude.m4
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@@ -344,6 +344,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
# quoting rules.
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [[[^@]]proto_data_valid],
[OVS_DEFINE([HAVE_PROTO_DATA_VALID])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [kfree_skb_list])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [rxhash])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [u16.*rxhash],
[OVS_DEFINE([HAVE_U16_RXHASH])])

4
datapath/linux/compat/include/linux/skbuff.h
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@@ -368,4 +368,8 @@ int rpl_skb_vlan_pop(struct sk_buff *skb);
int rpl_skb_vlan_push(struct sk_buff *skb, __be16 vlan_proto, u16 vlan_tci);
#endif
#ifndef HAVE_KFREE_SKB_LIST
void rpl_kfree_skb_list(struct sk_buff *segs);
#define kfree_skb_list rpl_kfree_skb_list
#endif
#endif

13
datapath/linux/compat/skbuff-openvswitch.c
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@@ -267,3 +267,16 @@ int rpl_pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
EXPORT_SYMBOL(rpl_pskb_expand_head);
#endif
#ifndef HAVE_KFREE_SKB_LIST
void rpl_kfree_skb_list(struct sk_buff *segs)
{
while (segs) {
struct sk_buff *next = segs->next;
kfree_skb(segs);
segs = next;
}
}
EXPORT_SYMBOL(rpl_kfree_skb_list);
#endif