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-rw-r--r--Documentation/networking/ip-sysctl.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index af6a63ab9026..32c2e9da5f3a 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -433,6 +433,12 @@ tcp_workaround_signed_windows - BOOLEAN
not receive a window scaling option from them.
Default: 0
+tcp_dma_copybreak - INTEGER
+ Lower limit, in bytes, of the size of socket reads that will be
+ offloaded to a DMA copy engine, if one is present in the system
+ and CONFIG_NET_DMA is enabled.
+ Default: 4096
+
CIPSOv4 Variables:
cipso_cache_enable - BOOLEAN
@@ -874,8 +880,7 @@ accept_redirects - BOOLEAN
accept_source_route - INTEGER
Accept source routing (routing extension header).
- > 0: Accept routing header.
- = 0: Accept only routing header type 2.
+ >= 0: Accept only routing header type 2.
< 0: Do not accept routing header.
Default: 0