netinet/tcp.h: add new tcp_info fields from linux v5.4

tcpi_rcv_ooopack for tracking connection quality:

  linux commit f9af2dbbfe01def62765a58af7fbc488351893c3
  tcp: Add TCP_INFO counter for packets received out-of-order

tcpi_snd_wnd peer window size for diagnosing tcp performance problems:

  linux commit 8f7baad7f03543451af27f5380fc816b008aa1f2
  tcp: Add snd_wnd to TCP_INFO

diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index 69de9d5a26366cfd3b541d82b6908928ef2024d4..44a007aaf5a252f21f5e5c76ec5fafd69267cf69 100644 (file)
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -234,6 +234,8 @@ struct tcp_info {
        uint64_t tcpi_bytes_retrans;
        uint32_t tcpi_dsack_dups;
        uint32_t tcpi_reord_seen;
+       uint32_t tcpi_rcv_ooopack;
+       uint32_t tcpi_snd_wnd;
 };
 
 #define TCP_MD5SIG_MAXKEYLEN    80