diff options
Diffstat (limited to 'share/man')
| -rw-r--r-- | share/man/man9/ifnet.9 | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/share/man/man9/ifnet.9 b/share/man/man9/ifnet.9 index 56b85b8..532f6cd 100644 --- a/share/man/man9/ifnet.9 +++ b/share/man/man9/ifnet.9 @@ -103,6 +103,10 @@ .Ft void .Fn \*(lp*if_start\*(rp "struct ifnet *ifp" .Ft int +.Fn \*(lp*if_transmit\*(rp "struct ifnet *ifp" "struct mbuf *m" +.Ft void +.Fn \*(lp*if_qflush\*(rp "struct ifnet *ifp" +.Ft int .Fn \*(lp*if_ioctl\*(rp "struct ifnet *ifp" "int cmd" "caddr_t data" .Ft void .Fn \*(lp*if_watchdog\*(rp "struct ifnet *ifp" @@ -350,6 +354,20 @@ framing, e.g., Ethernet. Output a packet on interface .Fa ifp , or queue it on the output queue if the interface is already active. +.It Fn if_transmit +Transmit a packet on an interface or queue it if the interface is +in use. This function will return +.Dv ENOBUFS +if the devices software and hardware queues are both full. This +function must be installed after +.It Fn if_qflush +Free mbufs in internally managed queues when the interface is marked down. +This function must be installed after +.Fn if_attach +to override the default implementation. This function is exposed in order +to allow drivers to manage their own queues and to reduce the latency +caused by a frequently gratuitous enqueue / dequeue pair to ifq. The +suggested internal software queueing mechanism is buf_ring. .It Fn if_start Start queued output on an interface. This function is exposed in @@ -363,7 +381,8 @@ flag is not set. (Thus, .Dv IFF_OACTIVE does not literally mean that output is active, but rather that the -device's internal output queue is full.) +device's internal output queue is full.) Please note that this function +will soon be deprecated. .It Fn if_done Not used. We are not even sure what it was ever for. |
