diff options
| author |   Jon Maloy <jon.maloy@ericsson.com> | 2017-10-13 11:04:26 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-13 08:46:00 -0700 |
| commit | b7d42635517fde2b095deddd0fba37be2302a285 (patch) | |
| tree | 531940dc481a0e08ca7a2bbd0a328452344b82e1 /net/tipc/group.h | |
| parent | tipc: receive group membership events via member socket (diff) | |
| download | linux-dev-b7d42635517fde2b095deddd0fba37be2302a285.tar.xz linux-dev-b7d42635517fde2b095deddd0fba37be2302a285.zip | |
tipc: introduce flow control for group broadcast messages
We introduce an end-to-end flow control mechanism for group broadcast
messages. This ensures that no messages are ever lost because of
destination receive buffer overflow, with minimal impact on performance.
For now, the algorithm is based on the assumption that there is only one
active transmitter at any moment in time.
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/group.h')
| -rw-r--r-- | net/tipc/group.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/tipc/group.h b/net/tipc/group.h index 5d3f10d28967..0e2740e1da90 100644 --- a/net/tipc/group.h +++ b/net/tipc/group.h @@ -52,15 +52,18 @@ void tipc_group_self(struct tipc_group *grp, struct tipc_name_seq *seq, void tipc_group_filter_msg(struct tipc_group *grp, struct sk_buff_head *inputq, struct sk_buff_head *xmitq); -void tipc_group_member_evt(struct tipc_group *grp, - struct sk_buff *skb, +void tipc_group_member_evt(struct tipc_group *grp, bool *wakeup, + int *sk_rcvbuf, struct sk_buff *skb, struct sk_buff_head *inputq, struct sk_buff_head *xmitq); -void tipc_group_proto_rcv(struct tipc_group *grp, +void tipc_group_proto_rcv(struct tipc_group *grp, bool *wakeup, struct tipc_msg *hdr, struct sk_buff_head *inputq, struct sk_buff_head *xmitq); -void tipc_group_update_bc_members(struct tipc_group *grp); +void tipc_group_update_bc_members(struct tipc_group *grp, int len); +bool tipc_group_bc_cong(struct tipc_group *grp, int len); +void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node, + u32 port, struct sk_buff_head *xmitq); u16 tipc_group_bc_snd_nxt(struct tipc_group *grp); int tipc_group_size(struct tipc_group *grp); #endif |