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authorLawrence Brakmo <brakmo@fb.com>2017-06-30 20:02:49 -0700
committerDavid S. Miller <davem@davemloft.net>2017-07-01 16:15:14 -0700
commit91b5b21c7c16899abb37f4a9e4388b4e9aae0b9d (patch)
treeff5989374783d9f11e822906a98e94d08a6f135a /include/uapi
parentd9925368a641391f38cd281e67b948e6b6f3bcca (diff)
bpf: Add support for changing congestion control
Added support for changing congestion control for SOCK_OPS bpf programs through the setsockopt bpf helper function. It also adds a new SOCK_OPS op, BPF_SOCK_OPS_NEEDS_ECN, that is needed for congestion controls, like dctcp, that need to enable ECN in the SYN packets. Signed-off-by: Lawrence Brakmo <brakmo@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/bpf.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 2405fe304c98..cc4725982bd8 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -778,6 +778,9 @@ enum {
* passive connection is
* established
*/
+ BPF_SOCK_OPS_NEEDS_ECN, /* If connection's congestion control
+ * needs ECN
+ */
};
#endif /* _UAPI__LINUX_BPF_H__ */