Commit 99d5ceee authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 



Steffen Klassert says:

====================
pull request (net-next): ipsec-next 2017-02-16

1) Make struct xfrm_input_afinfo const, nothing writes to it.
   From Florian Westphal.

2) Remove all places that write to the afinfo policy backend
   and make the struct const then.
   From Florian Westphal.

3) Prepare for packet consuming gro callbacks and add
   ESP GRO handlers. ESP packets can be decapsulated
   at the GRO layer then. It saves a round through
   the stack for each ESP packet.

Please note that this has a merge coflict between commit

63fca65d ("net: add confirm_neigh method to dst_ops")

from net-next and

3d7d25a6 ("xfrm: policy: remove garbage_collect callback")
a2817d8b ("xfrm: policy: remove family field")

from ipsec-next.

The conflict can be solved as it is done in linux-next.

Please pull or let me know if there are problems.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 5237b9dd 7785bba2

include/linux/netdevice.h

+14 −0
Original line number Diff line number Diff line
@@ -352,6 +352,7 @@ enum gro_result { 
	GRO_HELD,

	GRO_NORMAL,

	GRO_DROP,

	GRO_CONSUMED,

};

typedef enum gro_result gro_result_t;
@@ -2667,6 +2668,19 @@ static inline void skb_gro_remcsum_cleanup(struct sk_buff *skb, 
	remcsum_unadjust((__sum16 *)ptr, grc->delta);

}



#ifdef CONFIG_XFRM_OFFLOAD

static inline void skb_gro_flush_final(struct sk_buff *skb, struct sk_buff **pp, int flush)

{

	if (PTR_ERR(pp) != -EINPROGRESS)

		NAPI_GRO_CB(skb)->flush |= flush;

}

#else

static inline void skb_gro_flush_final(struct sk_buff *skb, struct sk_buff **pp, int flush)

{

	NAPI_GRO_CB(skb)->flush |= flush;

}

#endif



static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev,

				  unsigned short type,

				  const void *daddr, const void *saddr,

include/net/xfrm.h

+49 −7
Original line number Diff line number Diff line
@@ -280,9 +280,7 @@ struct net_device; 
struct xfrm_type;

struct xfrm_dst;

struct xfrm_policy_afinfo {

	unsigned short		family;

	struct dst_ops		*dst_ops;

	void			(*garbage_collect)(struct net *net);

	struct dst_entry	*(*dst_lookup)(struct net *net,

					       int tos, int oif,

					       const xfrm_address_t *saddr,
@@ -303,8 +301,8 @@ struct xfrm_policy_afinfo { 
	struct dst_entry	*(*blackhole_route)(struct net *net, struct dst_entry *orig);

};



int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);

int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo);

int xfrm_policy_register_afinfo(const struct xfrm_policy_afinfo *afinfo, int family);

void xfrm_policy_unregister_afinfo(const struct xfrm_policy_afinfo *afinfo);

void km_policy_notify(struct xfrm_policy *xp, int dir,

		      const struct km_event *c);

void km_state_notify(struct xfrm_state *x, const struct km_event *c);
@@ -349,13 +347,12 @@ struct xfrm_state_afinfo *xfrm_state_afinfo_get_rcu(unsigned int family); 


struct xfrm_input_afinfo {

	unsigned int		family;

	struct module		*owner;

	int			(*callback)(struct sk_buff *skb, u8 protocol,

					    int err);

};



int xfrm_input_register_afinfo(struct xfrm_input_afinfo *afinfo);

int xfrm_input_unregister_afinfo(struct xfrm_input_afinfo *afinfo);

int xfrm_input_register_afinfo(const struct xfrm_input_afinfo *afinfo);

int xfrm_input_unregister_afinfo(const struct xfrm_input_afinfo *afinfo);



void xfrm_state_delete_tunnel(struct xfrm_state *x);
@@ -501,6 +498,7 @@ struct xfrm_tmpl { 
};



#define XFRM_MAX_DEPTH		6

#define XFRM_MAX_OFFLOAD_DEPTH	1



struct xfrm_policy_walk_entry {

	struct list_head	all;
@@ -684,6 +682,7 @@ struct xfrm_spi_skb_cb { 


	unsigned int daddroff;

	unsigned int family;

	__be32 seq;

};



#define XFRM_SPI_SKB_CB(__skb) ((struct xfrm_spi_skb_cb *)&((__skb)->cb[0]))
@@ -976,10 +975,41 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst) 


void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);



struct xfrm_offload {

	/* Output sequence number for replay protection on offloading. */

	struct {

		__u32 low;

		__u32 hi;

	} seq;



	__u32			flags;

#define	SA_DELETE_REQ		1

#define	CRYPTO_DONE		2

#define	CRYPTO_NEXT_DONE	4

#define	CRYPTO_FALLBACK		8

#define	XFRM_GSO_SEGMENT	16

#define	XFRM_GRO		32



	__u32			status;

#define CRYPTO_SUCCESS				1

#define CRYPTO_GENERIC_ERROR			2

#define CRYPTO_TRANSPORT_AH_AUTH_FAILED		4

#define CRYPTO_TRANSPORT_ESP_AUTH_FAILED	8

#define CRYPTO_TUNNEL_AH_AUTH_FAILED		16

#define CRYPTO_TUNNEL_ESP_AUTH_FAILED		32

#define CRYPTO_INVALID_PACKET_SYNTAX		64

#define CRYPTO_INVALID_PROTOCOL			128



	__u8			proto;

};



struct sec_path {

	atomic_t		refcnt;

	int			len;

	int			olen;



	struct xfrm_state	*xvec[XFRM_MAX_DEPTH];

	struct xfrm_offload	ovec[XFRM_MAX_OFFLOAD_DEPTH];

};



static inline int secpath_exists(struct sk_buff *skb)
@@ -1009,6 +1039,7 @@ secpath_put(struct sec_path *sp) 
}



struct sec_path *secpath_dup(struct sec_path *src);

int secpath_set(struct sk_buff *skb);



static inline void

secpath_reset(struct sk_buff *skb)
@@ -1170,6 +1201,7 @@ static inline void xfrm_sk_free_policy(struct sock *sk) 
}



void xfrm_garbage_collect(struct net *net);

void xfrm_garbage_collect_deferred(struct net *net);



#else
@@ -1521,6 +1553,7 @@ int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, 
		    int encap_type);

int xfrm4_transport_finish(struct sk_buff *skb, int async);

int xfrm4_rcv(struct sk_buff *skb);

int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq);



static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)

{
@@ -1776,6 +1809,15 @@ static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb) 
{

	return skb->sp->xvec[skb->sp->len - 1];

}

static inline struct xfrm_offload *xfrm_offload(struct sk_buff *skb)

{

	struct sec_path *sp = skb->sp;



	if (!sp || !sp->olen || sp->len != sp->olen)

		return NULL;



	return &sp->ovec[sp->olen - 1];

}

#endif



static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)

net/core/dev.c

+7 −0
Original line number Diff line number Diff line
@@ -4510,6 +4510,11 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff 
	if (&ptype->list == head)

		goto normal;



	if (IS_ERR(pp) && PTR_ERR(pp) == -EINPROGRESS) {

		ret = GRO_CONSUMED;

		goto ok;

	}



	same_flow = NAPI_GRO_CB(skb)->same_flow;

	ret = NAPI_GRO_CB(skb)->free ? GRO_MERGED_FREE : GRO_MERGED;
@@ -4614,6 +4619,7 @@ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb) 


	case GRO_HELD:

	case GRO_MERGED:

	case GRO_CONSUMED:

		break;

	}
@@ -4685,6 +4691,7 @@ static gro_result_t napi_frags_finish(struct napi_struct *napi, 
		break;



	case GRO_MERGED:

	case GRO_CONSUMED:

		break;

	}

net/ethernet/eth.c

+1 −1
Original line number Diff line number Diff line
@@ -475,7 +475,7 @@ struct sk_buff **eth_gro_receive(struct sk_buff **head, 
out_unlock:

	rcu_read_unlock();

out:

	NAPI_GRO_CB(skb)->flush |= flush;

	skb_gro_flush_final(skb, pp, flush);



	return pp;

}

net/ipv4/Kconfig

+13 −0
Original line number Diff line number Diff line
@@ -361,6 +361,19 @@ config INET_ESP 


	  If unsure, say Y.



config INET_ESP_OFFLOAD

	tristate "IP: ESP transformation offload"

	depends on INET_ESP

	select XFRM_OFFLOAD

	default n

	---help---

	  Support for ESP transformation offload. This makes sense

	  only if this system really does IPsec and want to do it

	  with high throughput. A typical desktop system does not

	  need it, even if it does IPsec.



	  If unsure, say N.



config INET_IPCOMP

	tristate "IP: IPComp transformation"

	select INET_XFRM_TUNNEL

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