tcp: Namespace-ify sysctl_tcp_invalid_ratelimit
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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790f00e19f
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4170ba6b58
@ -151,6 +151,7 @@ struct netns_ipv4 {
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int sysctl_tcp_min_tso_segs;
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int sysctl_tcp_min_rtt_wlen;
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int sysctl_tcp_autocorking;
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int sysctl_tcp_invalid_ratelimit;
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struct inet_timewait_death_row tcp_death_row;
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int sysctl_max_syn_backlog;
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int sysctl_tcp_fastopen;
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@ -250,7 +250,6 @@ extern int sysctl_tcp_rmem[3];
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#define TCP_RACK_LOSS_DETECTION 0x1 /* Use RACK to detect losses */
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extern int sysctl_tcp_invalid_ratelimit;
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extern int sysctl_tcp_pacing_ss_ratio;
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extern int sysctl_tcp_pacing_ca_ratio;
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@ -510,13 +510,6 @@ static struct ctl_table ipv4_table[] = {
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.extra1 = &zero,
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.extra2 = &thousand,
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},
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{
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.procname = "tcp_invalid_ratelimit",
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.data = &sysctl_tcp_invalid_ratelimit,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = proc_dointvec_ms_jiffies,
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},
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{
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.procname = "tcp_available_ulp",
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.maxlen = TCP_ULP_BUF_MAX,
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@ -1145,6 +1138,13 @@ static struct ctl_table ipv4_net_table[] = {
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.extra1 = &zero,
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.extra2 = &one,
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},
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{
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.procname = "tcp_invalid_ratelimit",
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.data = &init_net.ipv4.sysctl_tcp_invalid_ratelimit,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = proc_dointvec_ms_jiffies,
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},
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{ }
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};
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@ -80,7 +80,6 @@
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#include <linux/static_key.h>
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int sysctl_tcp_max_orphans __read_mostly = NR_FILE;
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int sysctl_tcp_invalid_ratelimit __read_mostly = HZ/2;
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#define FLAG_DATA 0x01 /* Incoming frame contained data. */
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#define FLAG_WIN_UPDATE 0x02 /* Incoming ACK was a window update. */
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@ -3403,7 +3402,7 @@ static bool __tcp_oow_rate_limited(struct net *net, int mib_idx,
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if (*last_oow_ack_time) {
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s32 elapsed = (s32)(tcp_jiffies32 - *last_oow_ack_time);
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if (0 <= elapsed && elapsed < sysctl_tcp_invalid_ratelimit) {
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if (0 <= elapsed && elapsed < net->ipv4.sysctl_tcp_invalid_ratelimit) {
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NET_INC_STATS(net, mib_idx);
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return true; /* rate-limited: don't send yet! */
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}
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@ -2506,6 +2506,7 @@ static int __net_init tcp_sk_init(struct net *net)
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net->ipv4.sysctl_tcp_min_tso_segs = 2;
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net->ipv4.sysctl_tcp_min_rtt_wlen = 300;
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net->ipv4.sysctl_tcp_autocorking = 1;
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net->ipv4.sysctl_tcp_invalid_ratelimit = HZ/2;
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net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE;
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spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock);
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