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-rw-r--r--net/dccp/options.c47
1 files changed, 7 insertions, 40 deletions
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 34d536d..d361b55 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -29,16 +29,6 @@ int sysctl_dccp_feat_ack_ratio = DCCPF_INITIAL_ACK_RATIO;
int sysctl_dccp_feat_send_ack_vector = DCCPF_INITIAL_SEND_ACK_VECTOR;
int sysctl_dccp_feat_send_ndp_count = DCCPF_INITIAL_SEND_NDP_COUNT;
-void dccp_minisock_init(struct dccp_minisock *dmsk)
-{
- dmsk->dccpms_sequence_window = sysctl_dccp_feat_sequence_window;
- dmsk->dccpms_rx_ccid = sysctl_dccp_feat_rx_ccid;
- dmsk->dccpms_tx_ccid = sysctl_dccp_feat_tx_ccid;
- dmsk->dccpms_ack_ratio = sysctl_dccp_feat_ack_ratio;
- dmsk->dccpms_send_ack_vector = sysctl_dccp_feat_send_ack_vector;
- dmsk->dccpms_send_ndp_count = sysctl_dccp_feat_send_ndp_count;
-}
-
static u32 dccp_decode_value_var(const unsigned char *bf, const u8 len)
{
u32 value = 0;
@@ -158,7 +148,7 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
opt_recv->dccpor_timestamp = ntohl(*(__be32 *)value);
dp->dccps_timestamp_echo = opt_recv->dccpor_timestamp;
- dccp_timestamp(sk, &dp->dccps_timestamp_time);
+ dp->dccps_timestamp_time = ktime_get_real();
dccp_pr_debug("%s rx opt: TIMESTAMP=%u, ackno=%llu\n",
dccp_role(sk), opt_recv->dccpor_timestamp,
@@ -189,7 +179,7 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb)
else
elapsed_time = ntohl(*(__be32 *)(value + 4));
- dccp_pr_debug_cat(", ELAPSED_TIME=%d\n", elapsed_time);
+ dccp_pr_debug_cat(", ELAPSED_TIME=%u\n", elapsed_time);
/* Give precedence to the biggest ELAPSED_TIME */
if (elapsed_time > opt_recv->dccpor_elapsed_time)
@@ -370,29 +360,9 @@ int dccp_insert_option_elapsed_time(struct sock *sk, struct sk_buff *skb,
EXPORT_SYMBOL_GPL(dccp_insert_option_elapsed_time);
-void dccp_timestamp(const struct sock *sk, struct timeval *tv)
-{
- const struct dccp_sock *dp = dccp_sk(sk);
-
- do_gettimeofday(tv);
- tv->tv_sec -= dp->dccps_epoch.tv_sec;
- tv->tv_usec -= dp->dccps_epoch.tv_usec;
-
- while (tv->tv_usec < 0) {
- tv->tv_sec--;
- tv->tv_usec += USEC_PER_SEC;
- }
-}
-
-EXPORT_SYMBOL_GPL(dccp_timestamp);
-
int dccp_insert_option_timestamp(struct sock *sk, struct sk_buff *skb)
{
- struct timeval tv;
- __be32 now;
-
- dccp_timestamp(sk, &tv);
- now = htonl(timeval_usecs(&tv) / 10);
+ __be32 now = htonl(dccp_timestamp());
/* yes this will overflow but that is the point as we want a
* 10 usec 32 bit timer which mean it wraps every 11.9 hours */
@@ -405,14 +375,12 @@ static int dccp_insert_option_timestamp_echo(struct sock *sk,
struct sk_buff *skb)
{
struct dccp_sock *dp = dccp_sk(sk);
- struct timeval now;
__be32 tstamp_echo;
- u32 elapsed_time;
int len, elapsed_time_len;
unsigned char *to;
-
- dccp_timestamp(sk, &now);
- elapsed_time = timeval_delta(&now, &dp->dccps_timestamp_time) / 10;
+ const suseconds_t delta = ktime_us_delta(ktime_get_real(),
+ dp->dccps_timestamp_time);
+ u32 elapsed_time = delta / 10;
elapsed_time_len = dccp_elapsed_time_len(elapsed_time);
len = 6 + elapsed_time_len;
@@ -438,8 +406,7 @@ static int dccp_insert_option_timestamp_echo(struct sock *sk,
}
dp->dccps_timestamp_echo = 0;
- dp->dccps_timestamp_time.tv_sec = 0;
- dp->dccps_timestamp_time.tv_usec = 0;
+ dp->dccps_timestamp_time = ktime_set(0, 0);
return 0;
}
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