Update FreeBSD 14 CI image to 14.0-RC1

And update the definition of struct tcp_info for FreeBSD 14.

Author: asomers

.cirrus.yml

@@ -29,7 +29,7 @@ task:
 task:
   name: nightly x86_64-unknown-freebsd-14
   freebsd_instance:
-    image: freebsd-14-0-beta2-amd64
+    image: freebsd-14-0-rc1-amd64
   setup_script:
     - pkg install -y libnghttp2 curl
     - curl https://sh.rustup.rs -sSf --output rustup.sh

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -998,6 +998,8 @@ s! {
         pub pcbcnt: u32,
     }
 
+    // Note: this structure will change in a backwards-incompatible way in
+    // FreeBSD 15.
     pub struct tcp_info {
         pub tcpi_state: u8,
         pub __tcpi_ca_state: u8,
@@ -1055,7 +1057,21 @@ s! {
         #[cfg(freebsd14)]
         pub __tcpi_received_ce_bytes: u32,
         #[cfg(freebsd14)]
-        pub __tcpi_pad: [u32; 19],
+        pub tcpi_total_tlp: u32,
+        #[cfg(freebsd14)]
+        pub tcpi_total_tlp_bytes: u64,
+        #[cfg(freebsd14)]
+        pub tcpi_snd_una: u32,
+        #[cfg(freebsd14)]
+        pub tcpi_snd_max: u32,
+        #[cfg(freebsd14)]
+        pub tcpi_rcv_numsacks: u32,
+        #[cfg(freebsd14)]
+        pub tcpi_rcv_adv: u32,
+        #[cfg(freebsd14)]
+        pub tcpi_dupacks: u32,
+        #[cfg(freebsd14)]
+        pub __tcpi_pad: [u32; 10],
         #[cfg(not(freebsd14))]
         pub __tcpi_pad: [u32; 26],
     }