[IPV6]: Don't redo xfrm_lookup for cached dst entries

[linux-2.6] / net / sctp / sm_make_chunk.c

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 5baed9bb7de51a64c7cfede056ac0ccdf5ede850..3868a8d70cc058332f8918a5bab47b6233530c68 100644 (file)
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -78,7 +78,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
 static int sctp_process_param(struct sctp_association *asoc,
                              union sctp_params param,
                              const union sctp_addr *peer_addr,
-                             int gfp);
+                             unsigned int __nocast gfp);
 
 /* What was the inbound interface for this chunk? */
 int sctp_chunk_iif(const struct sctp_chunk *chunk)
@@ -174,7 +174,7 @@ void  sctp_init_cause(struct sctp_chunk *chunk, __u16 cause_code,
  */
 struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
                             const struct sctp_bind_addr *bp,
-                            int gfp, int vparam_len)
+                            unsigned int __nocast gfp, int vparam_len)
 {
        sctp_inithdr_t init;
        union sctp_params addrs;
@@ -261,7 +261,7 @@ nodata:
 
 struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
                                 const struct sctp_chunk *chunk,
-                                int gfp, int unkparam_len)
+                                unsigned int __nocast gfp, int unkparam_len)
 {
        sctp_inithdr_t initack;
        struct sctp_chunk *retval;
@@ -1003,6 +1003,7 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
                SCTP_DEBUG_PRINTK("chunkifying skb %p w/o an sk\n", skb);
        }
 
+       INIT_LIST_HEAD(&retval->list);
        retval->skb             = skb;
        retval->asoc            = (struct sctp_association *)asoc;
        retval->resent          = 0;
@@ -1116,8 +1117,7 @@ static void sctp_chunk_destroy(struct sctp_chunk *chunk)
 /* Possibly, free the chunk.  */
 void sctp_chunk_free(struct sctp_chunk *chunk)
 {
-       /* Make sure that we are not on any list.  */
-       skb_unlink((struct sk_buff *) chunk);
+       BUG_ON(!list_empty(&chunk->list));
        list_del_init(&chunk->transmitted_list);
 
        /* Release our reference on the message tracker. */
@@ -1233,7 +1233,8 @@ void sctp_chunk_assign_tsn(struct sctp_chunk *chunk)
 
 /* Create a CLOSED association to use with an incoming packet.  */
 struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
-                                       struct sctp_chunk *chunk, int gfp)
+                                       struct sctp_chunk *chunk,
+                                       unsigned int __nocast gfp)
 {
        struct sctp_association *asoc;
        struct sk_buff *skb;
@@ -1348,7 +1349,7 @@ nodata:
 struct sctp_association *sctp_unpack_cookie(
        const struct sctp_endpoint *ep,
        const struct sctp_association *asoc,
-       struct sctp_chunk *chunk, int gfp,
+       struct sctp_chunk *chunk, unsigned int __nocast gfp,
        int *error, struct sctp_chunk **errp)
 {
        struct sctp_association *retval = NULL;
@@ -1361,6 +1362,7 @@ struct sctp_association *sctp_unpack_cookie(
        char *key;
        sctp_scope_t scope;
        struct sk_buff *skb = chunk->skb;
+       struct timeval tv;
 
        headersize = sizeof(sctp_chunkhdr_t) + SCTP_SECRET_SIZE;
        bodysize = ntohs(chunk->chunk_hdr->length) - headersize;
@@ -1433,7 +1435,8 @@ no_hmac:
         * an association, there is no need to check cookie's expiration
         * for init collision case of lost COOKIE ACK.
         */
-       if (!asoc && tv_lt(bear_cookie->expiration, skb->stamp)) {
+       skb_get_timestamp(skb, &tv);
+       if (!asoc && tv_lt(bear_cookie->expiration, tv)) {
                __u16 len;
                /*
                 * Section 3.3.10.3 Stale Cookie Error (3)
@@ -1446,10 +1449,9 @@ no_hmac:
                len = ntohs(chunk->chunk_hdr->length);
                *errp = sctp_make_op_error_space(asoc, chunk, len);
                if (*errp) {
-                       suseconds_t usecs = (skb->stamp.tv_sec -
+                       suseconds_t usecs = (tv.tv_sec -
                                bear_cookie->expiration.tv_sec) * 1000000L +
-                               skb->stamp.tv_usec -
-                               bear_cookie->expiration.tv_usec;
+                               tv.tv_usec - bear_cookie->expiration.tv_usec;
 
                        usecs = htonl(usecs);
                        sctp_init_cause(*errp, SCTP_ERROR_STALE_COOKIE,
@@ -1812,7 +1814,7 @@ int sctp_verify_init(const struct sctp_association *asoc,
  */
 int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
                      const union sctp_addr *peer_addr,
-                     sctp_init_chunk_t *peer_init, int gfp)
+                     sctp_init_chunk_t *peer_init, unsigned int __nocast gfp)
 {
        union sctp_params param;
        struct sctp_transport *transport;
@@ -1983,7 +1985,7 @@ nomem:
 static int sctp_process_param(struct sctp_association *asoc,
                              union sctp_params param,
                              const union sctp_addr *peer_addr,
-                             int gfp)
+                             unsigned int __nocast gfp)
 {
        union sctp_addr addr;
        int i;
@@ -2739,8 +2741,12 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
        asoc->addip_last_asconf = NULL;
 
        /* Send the next asconf chunk from the addip chunk queue. */
-       asconf = (struct sctp_chunk *)__skb_dequeue(&asoc->addip_chunks);
-       if (asconf) {
+       if (!list_empty(&asoc->addip_chunk_list)) {
+               struct list_head *entry = asoc->addip_chunk_list.next;
+               asconf = list_entry(entry, struct sctp_chunk, list);
+
+               list_del_init(entry);
+
                /* Hold the chunk until an ASCONF_ACK is received. */
                sctp_chunk_hold(asconf);
                if (sctp_primitive_ASCONF(asoc, asconf))