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7d720c3e4f
Add __percpu sparse annotations to net. These annotations are to make sparse consider percpu variables to be in a different address space and warn if accessed without going through percpu accessors. This patch doesn't affect normal builds. The macro and type tricks around snmp stats make things a bit interesting. DEFINE/DECLARE_SNMP_STAT() macros mark the target field as __percpu and SNMP_UPD_PO_STATS() macro is updated accordingly. All snmp_mib_*() users which used to cast the argument to (void **) are updated to cast it to (void __percpu **). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Vlad Yasevich <vladislav.yasevich@hp.com> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
30 lines
620 B
C
30 lines
620 B
C
#ifndef _NET_IPCOMP_H
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#define _NET_IPCOMP_H
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#include <linux/types.h>
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#define IPCOMP_SCRATCH_SIZE 65400
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struct crypto_comp;
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struct ipcomp_data {
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u16 threshold;
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struct crypto_comp * __percpu *tfms;
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};
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struct ip_comp_hdr;
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struct sk_buff;
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struct xfrm_state;
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int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb);
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int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb);
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void ipcomp_destroy(struct xfrm_state *x);
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int ipcomp_init_state(struct xfrm_state *x);
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static inline struct ip_comp_hdr *ip_comp_hdr(const struct sk_buff *skb)
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{
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return (struct ip_comp_hdr *)skb_transport_header(skb);
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}
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#endif
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