diff mbox series

[iproute2,1/5] ip route: add support for TCP usec TS

Message ID 20231204091911.1326130-2-edumazet@google.com (mailing list archive)
State Accepted
Commit a043bea7500269c718ec105149fb828d608edd20
Delegated to: David Ahern
Headers show
Series TCP usec and FQ fastpath | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Eric Dumazet Dec. 4, 2023, 9:19 a.m. UTC 
linux-6.7 got support for TCP usec resolution timestamps,
using one bit in the features mask : RTAX_FEATURE_TCP_USEC_TS.

ip route add 10/8 ... features tcp_usec_ts

Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 ip/iproute.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/ip/iproute.c b/ip/iproute.c
index fdf1f9a9dd0a4b693516d0b29b12cd6463895317..73dbab48aa4533e2297a1b1dd43726b4b05466b9 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -351,6 +351,11 @@  static void print_rtax_features(FILE *fp, unsigned int features)
 		features &= ~RTAX_FEATURE_ECN;
 	}
 
+	if (features & RTAX_FEATURE_TCP_USEC_TS) {
+		print_null(PRINT_ANY, "tcp_usec_ts", "tcp_usec_ts ", NULL);
+		features &= ~RTAX_FEATURE_TCP_USEC_TS;
+	}
+
 	if (features)
 		print_0xhex(PRINT_ANY,
 			    "features", "%#llx ", of);
@@ -1349,6 +1354,8 @@  static int iproute_modify(int cmd, unsigned int flags, int argc, char **argv)
 
 				if (strcmp(*argv, "ecn") == 0)
 					features |= RTAX_FEATURE_ECN;
+				else if (strcmp(*argv, "tcp_usec_ts") == 0)
+					features |= RTAX_FEATURE_TCP_USEC_TS;
 				else
 					invarg("\"features\" value not valid\n", *argv);
 				break;