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| author |   Geliang Tang <geliangtang@gmail.com> | 2021-06-17 16:46:18 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-06-18 11:40:11 -0700 |
| commit | fe3ab1cbd357d9d0903f2d00038c2cb7141e7fe5 (patch) | |
| tree | 3cf76344f1dd472bf1fa8363d91f5d85b2198099 /net/mptcp/subflow.c | |
| parent | mptcp: tune re-injections for csum enabled mode (diff) | |
| download | linux-dev-fe3ab1cbd357d9d0903f2d00038c2cb7141e7fe5.tar.xz linux-dev-fe3ab1cbd357d9d0903f2d00038c2cb7141e7fe5.zip | |
mptcp: add the mib for data checksum
This patch added the mib for the data checksum, MPTCP_MIB_DATACSUMERR.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/mptcp/subflow.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 9ccc4686d0d4..6b1cd4257edf 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -900,8 +900,10 @@ static enum mapping_status validate_data_csum(struct sock *ssk, struct sk_buff * header.csum = 0; csum = csum_partial(&header, sizeof(header), subflow->map_data_csum); - if (unlikely(csum_fold(csum))) + if (unlikely(csum_fold(csum))) { + MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DATACSUMERR); return subflow->mp_join ? MAPPING_INVALID : MAPPING_DUMMY; + } return MAPPING_OK; } |