[I/OAT]: Add a sysctl for tuning the I/OAT offloaded I/O threshold

[linux-2.6-block.git] / net / ipv4 / sysctl_net_ipv4.c

diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 6b6c3adfcf00954185c03c651c74cc911314122f..6a6aa537b7aaa84320c85556002f47add37d8287 100644 (file)
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -688,6 +688,16 @@ ctl_table ipv4_table[] = {
                .mode           = 0644,
                .proc_handler   = &proc_dointvec
        },
+#ifdef CONFIG_NET_DMA
+       {
+               .ctl_name       = NET_TCP_DMA_COPYBREAK,
+               .procname       = "tcp_dma_copybreak",
+               .data           = &sysctl_tcp_dma_copybreak,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec
+       },
+#endif
        { .ctl_name = 0 }
 };