mirror of https://gitee.com/openkylin/linux.git
[TCP] net/ipv4/tcp_input.c: trivial annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2629,7 +2629,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
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switch(opcode) {
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case TCPOPT_MSS:
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if(opsize==TCPOLEN_MSS && th->syn && !estab) {
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u16 in_mss = ntohs(get_unaligned((__u16 *)ptr));
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u16 in_mss = ntohs(get_unaligned((__be16 *)ptr));
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if (in_mss) {
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if (opt_rx->user_mss && opt_rx->user_mss < in_mss)
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in_mss = opt_rx->user_mss;
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@ -2657,8 +2657,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
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if ((estab && opt_rx->tstamp_ok) ||
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(!estab && sysctl_tcp_timestamps)) {
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opt_rx->saw_tstamp = 1;
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opt_rx->rcv_tsval = ntohl(get_unaligned((__u32 *)ptr));
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opt_rx->rcv_tsecr = ntohl(get_unaligned((__u32 *)(ptr+4)));
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opt_rx->rcv_tsval = ntohl(get_unaligned((__be32 *)ptr));
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opt_rx->rcv_tsecr = ntohl(get_unaligned((__be32 *)(ptr+4)));
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}
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}
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break;
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@ -2695,8 +2695,8 @@ static int tcp_fast_parse_options(struct sk_buff *skb, struct tcphdr *th,
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return 0;
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} else if (tp->rx_opt.tstamp_ok &&
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th->doff == (sizeof(struct tcphdr)>>2)+(TCPOLEN_TSTAMP_ALIGNED>>2)) {
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__u32 *ptr = (__u32 *)(th + 1);
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if (*ptr == ntohl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
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__be32 *ptr = (__be32 *)(th + 1);
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if (*ptr == htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
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| (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP)) {
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tp->rx_opt.saw_tstamp = 1;
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++ptr;
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@ -3911,10 +3911,10 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
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/* Check timestamp */
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if (tcp_header_len == sizeof(struct tcphdr) + TCPOLEN_TSTAMP_ALIGNED) {
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__u32 *ptr = (__u32 *)(th + 1);
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__be32 *ptr = (__be32 *)(th + 1);
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/* No? Slow path! */
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if (*ptr != ntohl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
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if (*ptr != htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
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| (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP))
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goto slow_path;
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