diff options
| author | Dimitri Staessens <dimitri.staessens@ugent.be> | 2018-02-28 14:06:01 +0100 |
|---|---|---|
| committer | Sander Vrijders <sander.vrijders@ugent.be> | 2018-02-28 14:15:53 +0100 |
| commit | eb8ed5e4ebef1b34bc6dd749fb7210cac618a9fe (patch) | |
| tree | 17d4e6e5cb6f69c583056fa47d81630ba318b93d /src/lib/dev.c | |
| parent | 4159e60f9b61dd5c8ac33cd2dea3ff81945c06ce (diff) | |
| download | ouroboros-eb8ed5e4ebef1b34bc6dd749fb7210cac618a9fe.tar.gz ouroboros-eb8ed5e4ebef1b34bc6dd749fb7210cac618a9fe.zip | |
lib: Add fccntl operation to get queue lengths
This adds the FLOWGRXQLEN and FLOWGTXQLEN operations to fccntl to get
the number of packets that are in the receive and transmit buffers
respectively. The flow statistics are updated to show these queue
lengths.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Diffstat (limited to 'src/lib/dev.c')
| -rw-r--r-- | src/lib/dev.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c index 99ab4359..7e829a5f 100644 --- a/src/lib/dev.c +++ b/src/lib/dev.c @@ -670,6 +670,7 @@ int fccntl(int fd, qosspec_t * qs; uint32_t rx_acl; uint32_t tx_acl; + size_t * qlen; struct flow * flow; if (fd < 0 || fd >= PROG_MAX_FLOWS) @@ -728,6 +729,14 @@ int fccntl(int fd, goto einval; *qs = flow->spec; break; + case FLOWGRXQLEN: + qlen = va_arg(l, size_t *); + *qlen = shm_rbuff_queued(flow->rx_rb); + break; + case FLOWGTXQLEN: + qlen = va_arg(l, size_t *); + *qlen = shm_rbuff_queued(flow->rx_rb); + break; case FLOWSFLAGS: flow->oflags = va_arg(l, uint32_t); rx_acl = shm_rbuff_get_acl(flow->rx_rb); |