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| author | Ingo Molnar <mingo@elte.hu> | 2009-10-13 09:24:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-13 09:24:59 +0200 |
| commit | 2c96c142e941041973faab20ca3b82d57f435c5e (patch) | |
| tree | 45188f0ecb3f4bb7408a7219f8fcd041d500235a /net/ipv4/tcp_output.c | |
| parent | 3c355863fb32070a2800f41106519c5c3038623a (diff) | |
| parent | 8ad807318fcd62aba0e18c7c7fbfcc1af3fcdbab (diff) | |
| download | kernel-crypto-2c96c142e941041973faab20ca3b82d57f435c5e.tar.gz kernel-crypto-2c96c142e941041973faab20ca3b82d57f435c5e.tar.xz kernel-crypto-2c96c142e941041973faab20ca3b82d57f435c5e.zip | |
Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up tracing/filters fix from the urgent queue,
we will queue up dependent patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 5200aab0ca9..fcd278a7080 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -361,6 +361,7 @@ static inline int tcp_urg_mode(const struct tcp_sock *tp) #define OPTION_SACK_ADVERTISE (1 << 0) #define OPTION_TS (1 << 1) #define OPTION_MD5 (1 << 2) +#define OPTION_WSCALE (1 << 3) struct tcp_out_options { u8 options; /* bit field of OPTION_* */ @@ -427,7 +428,7 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp, TCPOLEN_SACK_PERM); } - if (unlikely(opts->ws)) { + if (unlikely(OPTION_WSCALE & opts->options)) { *ptr++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_WINDOW << 16) | (TCPOLEN_WINDOW << 8) | @@ -494,8 +495,8 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb, } if (likely(sysctl_tcp_window_scaling)) { opts->ws = tp->rx_opt.rcv_wscale; - if (likely(opts->ws)) - size += TCPOLEN_WSCALE_ALIGNED; + opts->options |= OPTION_WSCALE; + size += TCPOLEN_WSCALE_ALIGNED; } if (likely(sysctl_tcp_sack)) { opts->options |= OPTION_SACK_ADVERTISE; @@ -537,8 +538,8 @@ static unsigned tcp_synack_options(struct sock *sk, if (likely(ireq->wscale_ok)) { opts->ws = ireq->rcv_wscale; - if (likely(opts->ws)) - size += TCPOLEN_WSCALE_ALIGNED; + opts->options |= OPTION_WSCALE; + size += TCPOLEN_WSCALE_ALIGNED; } if (likely(doing_ts)) { opts->options |= OPTION_TS; |