forked from luck/tmp_suning_uos_patched
[UDP]: Clean up for IS_UDPLITE macro
Since we have macro IS_UDPLITE, we can use it. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
cb75994ec3
commit
b2bf1e2659
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@ -471,6 +471,7 @@ static int udp_push_pending_frames(struct sock *sk)
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struct sk_buff *skb;
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struct udphdr *uh;
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int err = 0;
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int is_udplite = IS_UDPLITE(sk);
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__wsum csum = 0;
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/* Grab the skbuff where UDP header space exists. */
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@ -486,7 +487,7 @@ static int udp_push_pending_frames(struct sock *sk)
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uh->len = htons(up->len);
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uh->check = 0;
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if (up->pcflag) /* UDP-Lite */
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if (is_udplite) /* UDP-Lite */
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csum = udplite_csum_outgoing(sk, skb);
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else if (sk->sk_no_check == UDP_CSUM_NOXMIT) { /* UDP csum disabled */
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@ -514,7 +515,7 @@ static int udp_push_pending_frames(struct sock *sk)
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up->len = 0;
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up->pending = 0;
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if (!err)
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UDP_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, up->pcflag);
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UDP_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, is_udplite);
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return err;
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}
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@ -531,7 +532,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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__be32 daddr, faddr, saddr;
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__be16 dport;
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u8 tos;
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int err, is_udplite = up->pcflag;
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int err, is_udplite = IS_UDPLITE(sk);
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int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
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int (*getfrag)(void *, char *, int, int, int, struct sk_buff *);
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@ -942,6 +943,7 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
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{
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struct udp_sock *up = udp_sk(sk);
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int rc;
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int is_udplite = IS_UDPLITE(sk);
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/*
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* Charge it to the socket, dropping if the queue is full.
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@ -978,7 +980,7 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
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/*
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* UDP-Lite specific tests, ignored on UDP sockets
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*/
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if ((up->pcflag & UDPLITE_RECV_CC) && UDP_SKB_CB(skb)->partial_cov) {
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if ((is_udplite & UDPLITE_RECV_CC) && UDP_SKB_CB(skb)->partial_cov) {
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/*
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* MIB statistics other than incrementing the error count are
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@ -1019,14 +1021,14 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
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if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
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/* Note that an ENOMEM error is charged twice */
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if (rc == -ENOMEM)
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UDP_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, up->pcflag);
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UDP_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, is_udplite);
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goto drop;
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}
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return 0;
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drop:
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UDP_INC_STATS_BH(UDP_MIB_INERRORS, up->pcflag);
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UDP_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
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kfree_skb(skb);
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return -1;
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}
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@ -1235,6 +1237,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
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struct udp_sock *up = udp_sk(sk);
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int val;
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int err = 0;
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int is_udplite = IS_UDPLITE(sk);
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if (optlen<sizeof(int))
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return -EINVAL;
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@ -1276,7 +1279,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
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/* The sender sets actual checksum coverage length via this option.
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* The case coverage > packet length is handled by send module. */
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case UDPLITE_SEND_CSCOV:
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if (!up->pcflag) /* Disable the option on UDP sockets */
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if (!is_udplite) /* Disable the option on UDP sockets */
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return -ENOPROTOOPT;
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if (val != 0 && val < 8) /* Illegal coverage: use default (8) */
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val = 8;
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@ -1288,7 +1291,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
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* sense, this should be set to at least 8 (as done below). If zero is
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* used, this again means full checksum coverage. */
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case UDPLITE_RECV_CSCOV:
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if (!up->pcflag) /* Disable the option on UDP sockets */
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if (!is_udplite) /* Disable the option on UDP sockets */
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return -ENOPROTOOPT;
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if (val != 0 && val < 8) /* Avoid silly minimal values. */
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val = 8;
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@ -260,6 +260,7 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
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{
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struct udp_sock *up = udp_sk(sk);
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int rc;
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int is_udplite = IS_UDPLITE(sk);
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if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb))
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goto drop;
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@ -267,7 +268,7 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
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/*
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* UDP-Lite specific tests, ignored on UDP sockets (see net/ipv4/udp.c).
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*/
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if ((up->pcflag & UDPLITE_RECV_CC) && UDP_SKB_CB(skb)->partial_cov) {
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if ((is_udplite & UDPLITE_RECV_CC) && UDP_SKB_CB(skb)->partial_cov) {
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if (up->pcrlen == 0) { /* full coverage was set */
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LIMIT_NETDEBUG(KERN_WARNING "UDPLITE6: partial coverage"
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@ -291,13 +292,13 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
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if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
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/* Note that an ENOMEM error is charged twice */
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if (rc == -ENOMEM)
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UDP6_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, up->pcflag);
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UDP6_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, is_udplite);
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goto drop;
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}
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return 0;
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drop:
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UDP6_INC_STATS_BH(UDP_MIB_INERRORS, up->pcflag);
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UDP6_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
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kfree_skb(skb);
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return -1;
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}
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@ -525,6 +526,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
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struct inet_sock *inet = inet_sk(sk);
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struct flowi *fl = &inet->cork.fl;
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int err = 0;
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int is_udplite = IS_UDPLITE(sk);
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__wsum csum = 0;
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/* Grab the skbuff where UDP header space exists. */
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@ -540,7 +542,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
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uh->len = htons(up->len);
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uh->check = 0;
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if (up->pcflag)
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if (is_udplite)
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csum = udplite_csum_outgoing(sk, skb);
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else
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csum = udp_csum_outgoing(sk, skb);
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@ -556,7 +558,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
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up->len = 0;
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up->pending = 0;
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if (!err)
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UDP6_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, up->pcflag);
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UDP6_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, is_udplite);
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return err;
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}
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@ -580,7 +582,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
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int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
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int err;
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int connected = 0;
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int is_udplite = up->pcflag;
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int is_udplite = IS_UDPLITE(sk);
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int (*getfrag)(void *, char *, int, int, int, struct sk_buff *);
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/* destination address check */
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