tcp: send enough dupacks to cover all sack holes
Make sure we send enough dupacks to cover all the holes created in the
last frame received. Also make sure we send all the blocks, not just the
first.
Change-Id: I9597a34ac14473d1cc3ad07d65bc37043e3d0582
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index d1fbf15..a4e7935 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -303,6 +303,7 @@
tcp_options_t rcv_opts; /**< Rx options for connection */
sack_block_t *snd_sacks; /**< Vector of SACKs to send. XXX Fixed size? */
+ u8 snd_sack_pos; /**< Position in vec of first block to send */
sack_scoreboard_t sack_sb; /**< SACK "scoreboard" that tracks holes */
u16 rcv_dupacks; /**< Number of DUPACKs received */