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| author | Stefano Brivio <sbrivio@redhat.com> | 2021-07-26 14:20:36 +0200 |
|---|---|---|
| committer | Stefano Brivio <sbrivio@redhat.com> | 2021-07-26 14:20:36 +0200 |
| commit | 39ad062100b67a7a6ba77e4c8e2d539e3beb29b4 (patch) | |
| tree | f1645e12b7355e5b44a04ce381135ee4329cd2c2 /tcp.h | |
| parent | 85a820a66fe44b2ae4355e306918f78a55edbc23 (diff) | |
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tcp: Introduce scatter-gather IO path from socket to tap
...similarly to what was done for UDP. Quick performance test with
32KiB buffers, host to VM:
$ iperf3 -c 192.0.2.2 -N
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 8.47 GBytes 7.27 Gbits/sec 0 sender
[ 5] 0.00-10.00 sec 8.45 GBytes 7.26 Gbits/sec receiver
$ iperf3 -c 2a01:598:88ba:a056:271f:473a:c0d9:abc1
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 8.43 GBytes 7.24 Gbits/sec 0 sender
[ 5] 0.00-10.00 sec 8.41 GBytes 7.22 Gbits/sec receiver
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Diffstat (limited to 'tcp.h')
| -rw-r--r-- | tcp.h | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -14,6 +14,8 @@ int tcp_tap_handler(struct ctx *c, int af, void *addr, struct tap_msg *msg, int count, struct timespec *now); int tcp_sock_init(struct ctx *c); void tcp_timer(struct ctx *c, struct timespec *ts); +void tcp_update_l2_buf(unsigned char *eth_d, unsigned char *eth_s, + uint32_t *ip_da); /** * union tcp_epoll_ref - epoll reference portion for TCP connections |