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| author | Yunsheng Lin <[email protected]> | 2018-09-25 09:21:55 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2018-09-25 17:42:20 +0000 |
| commit | 2e9361efa707e186d91b938e44f9e326725259f7 (patch) | |
| tree | e7685fa03f226067c362105afdb5cf3f468121ff /net/tipc/socket.c | |
| parent | Merge branch 'xen-netback-hash' (diff) | |
| download | kernel-2e9361efa707e186d91b938e44f9e326725259f7.tar.gz kernel-2e9361efa707e186d91b938e44f9e326725259f7.zip | |
net: hns: fix for unmapping problem when SMMU is on
If SMMU is on, there is more likely that skb_shinfo(skb)->frags[i]
can not send by a single BD. when this happen, the
hns_nic_net_xmit_hw function map the whole data in a frags using
skb_frag_dma_map, but unmap each BD' data individually when tx is
done, which causes problem when SMMU is on.
This patch fixes this problem by ummapping the whole data in a
frags when tx is done.
Signed-off-by: Yunsheng Lin <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Reviewed-by: Yisen Zhuang <[email protected]>
Signed-off-by: Salil Mehta <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/tipc/socket.c')
0 files changed, 0 insertions, 0 deletions