summaryrefslogtreecommitdiff
path: root/src/lib
diff options
context:
space:
mode:
authorDimitri Staessens <dimitri.staessens@ugent.be>2018-04-02 19:16:01 +0200
committerSander Vrijders <sander.vrijders@ugent.be>2018-04-05 10:32:55 +0200
commit490145fc49bc55280ebf16229d3e78419ec251c6 (patch)
tree899995c4a66c590db776fbcf09150f8b6976b725 /src/lib
parent458e610a988d6c0db332b607250e75a94f0b2c03 (diff)
downloadouroboros-490145fc49bc55280ebf16229d3e78419ec251c6.tar.gz
ouroboros-490145fc49bc55280ebf16229d3e78419ec251c6.zip
ipcpd: Avoid unnecessary copy in eth reader
This reads from the Ethernet device directly into the rdrbuff to avoid a copy on the read side in the Ethernet IPCPs. This does not work for the netmap device. Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be> Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Diffstat (limited to 'src/lib')
-rw-r--r--src/lib/shm_rdrbuff.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/shm_rdrbuff.c b/src/lib/shm_rdrbuff.c
index 6e3dbca4..12e29bef 100644
--- a/src/lib/shm_rdrbuff.c
+++ b/src/lib/shm_rdrbuff.c
@@ -652,5 +652,5 @@ void shm_du_buff_truncate(struct shm_du_buff * sdb,
assert(sdb);
assert(len <= sdb->size);
- sdb->du_tail -= sdb->size - len;
+ sdb->du_tail = sdb->du_head + len;
}