net: add low latency socket poll

[karo-tx-linux.git] / net / Kconfig

diff --git a/net/Kconfig b/net/Kconfig
index 523e43e6da1b9a66449b7e6d0dc5121602741239..d6a9ce6e18007793d4bbc7a4f5a35d2cf3abe7d4 100644 (file)
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -243,6 +243,18 @@ config NETPRIO_CGROUP
          Cgroup subsystem for use in assigning processes to network priorities on
          a per-interface basis
 
+config NET_LL_RX_POLL
+       bool "Low Latency Receive Poll"
+       depends on X86_TSC
+       default n
+       ---help---
+         Support Low Latency Receive Queue Poll.
+         (For network card drivers which support this option.)
+         When waiting for data in read or poll call directly into the the device driver
+         to flush packets which may be pending on the device queues into the stack.
+
+         If unsure, say N.
+
 config BQL
        boolean
        depends on SYSFS