Process EPOLLOUT events. For now this is just a stub, and needs to be
extended to call into the various protocols to actually do something
useful.
Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
---
tap.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/tap.c b/tap.c
index d7d3fc19..3754fffe 100644
--- a/tap.c
+++ b/tap.c
@@ -932,6 +932,18 @@ void tap_handler(struct ctx *c, const struct timespec *now)
tap6_handler(c, pool_tap6, now);
}
+/**
+ * tap_ready() - Notify the rest of passt that the tap device is ready for more data
+ * @c: Execution context
+ * @now: Current timestamp
+ */
+static void tap_ready(struct ctx *c, const struct timespec *now)
+{
+ (void)c;
+ (void)now;
+ /* TODO: notify protocols */
+}
+
/**
* tap_add_packet() - Queue/capture packet, update notion of guest MAC address
* @c: Execution context
@@ -1068,6 +1080,9 @@ void tap_handler_passt(struct ctx *c, uint32_t events,
if (events & EPOLLIN)
while (tap_passt_input(c, now))
;
+
+ if (events & EPOLLOUT)
+ tap_ready(c, now);
}
/**
@@ -1127,6 +1142,9 @@ void tap_handler_pasta(struct ctx *c, uint32_t events,
if (events & EPOLLIN)
while (tap_pasta_input(c, now))
;
+
+ if (events & EPOLLOUT)
+ tap_ready(c, now);
}
/**
--
2.46.0