X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fipv6%2Finet6_connection_sock.c;h=5d1c7cee2cb2bdc45b0889b4fe197c7af4db01e7;hb=11eaaadb3ea376c6c194491c2e9bddd647f9d253;hp=6927f3fb5597fd2013b885cddb35bed852b950d5;hpb=7dedcca09e9a751fd14fdb8e9882d675b23b2c0e;p=firefly-linux-kernel-4.4.55.git

diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 6927f3fb5597..5d1c7cee2cb2 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -65,17 +65,18 @@ int inet6_csk_bind_conflict(const struct sock *sk,
 }
 EXPORT_SYMBOL_GPL(inet6_csk_bind_conflict);
 
-struct dst_entry *inet6_csk_route_req(struct sock *sk,
+struct dst_entry *inet6_csk_route_req(const struct sock *sk,
 				      struct flowi6 *fl6,
-				      const struct request_sock *req)
+				      const struct request_sock *req,
+				      u8 proto)
 {
 	struct inet_request_sock *ireq = inet_rsk(req);
-	struct ipv6_pinfo *np = inet6_sk(sk);
+	const struct ipv6_pinfo *np = inet6_sk(sk);
 	struct in6_addr *final_p, final;
 	struct dst_entry *dst;
 
 	memset(fl6, 0, sizeof(*fl6));
-	fl6->flowi6_proto = IPPROTO_TCP;
+	fl6->flowi6_proto = proto;
 	fl6->daddr = ireq->ir_v6_rmt_addr;
 	final_p = fl6_update_dst(fl6, np->opt, &final);
 	fl6->saddr = ireq->ir_v6_loc_addr;
@@ -91,73 +92,7 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
 
 	return dst;
 }
-
-/*
- * request_sock (formerly open request) hash tables.
- */
-static u32 inet6_synq_hash(const struct in6_addr *raddr, const __be16 rport,
-			   const u32 rnd, const u32 synq_hsize)
-{
-	u32 c;
-
-	c = jhash_3words((__force u32)raddr->s6_addr32[0],
-			 (__force u32)raddr->s6_addr32[1],
-			 (__force u32)raddr->s6_addr32[2],
-			 rnd);
-
-	c = jhash_2words((__force u32)raddr->s6_addr32[3],
-			 (__force u32)rport,
-			 c);
-
-	return c & (synq_hsize - 1);
-}
-
-struct request_sock *inet6_csk_search_req(struct sock *sk,
-					  const __be16 rport,
-					  const struct in6_addr *raddr,
-					  const struct in6_addr *laddr,
-					  const int iif)
-{
-	struct inet_connection_sock *icsk = inet_csk(sk);
-	struct listen_sock *lopt = icsk->icsk_accept_queue.listen_opt;
-	struct request_sock *req;
-	u32 hash = inet6_synq_hash(raddr, rport, lopt->hash_rnd,
-				   lopt->nr_table_entries);
-
-	spin_lock(&icsk->icsk_accept_queue.syn_wait_lock);
-	for (req = lopt->syn_table[hash]; req != NULL; req = req->dl_next) {
-		const struct inet_request_sock *ireq = inet_rsk(req);
-
-		if (ireq->ir_rmt_port == rport &&
-		    req->rsk_ops->family == AF_INET6 &&
-		    ipv6_addr_equal(&ireq->ir_v6_rmt_addr, raddr) &&
-		    ipv6_addr_equal(&ireq->ir_v6_loc_addr, laddr) &&
-		    (!ireq->ir_iif || ireq->ir_iif == iif)) {
-			atomic_inc(&req->rsk_refcnt);
-			WARN_ON(req->sk != NULL);
-			break;
-		}
-	}
-	spin_unlock(&icsk->icsk_accept_queue.syn_wait_lock);
-
-	return req;
-}
-EXPORT_SYMBOL_GPL(inet6_csk_search_req);
-
-void inet6_csk_reqsk_queue_hash_add(struct sock *sk,
-				    struct request_sock *req,
-				    const unsigned long timeout)
-{
-	struct inet_connection_sock *icsk = inet_csk(sk);
-	struct listen_sock *lopt = icsk->icsk_accept_queue.listen_opt;
-	const u32 h = inet6_synq_hash(&inet_rsk(req)->ir_v6_rmt_addr,
-				      inet_rsk(req)->ir_rmt_port,
-				      lopt->hash_rnd, lopt->nr_table_entries);
-
-	reqsk_queue_hash_req(&icsk->icsk_accept_queue, h, req, timeout);
-	inet_csk_reqsk_queue_added(sk, timeout);
-}
-EXPORT_SYMBOL_GPL(inet6_csk_reqsk_queue_hash_add);
+EXPORT_SYMBOL(inet6_csk_route_req);
 
 void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr)
 {