diff options
| -rw-r--r-- | nixos/doc/manual/release-notes/rl-2405.section.md | 2 | ||||
| -rw-r--r-- | nixos/modules/config/sysctl.nix | 24 | ||||
| -rw-r--r-- | nixos/modules/services/torrent/transmission.nix | 2 | ||||
| -rw-r--r-- | nixos/modules/services/web-servers/caddy/default.nix | 3 |
4 files changed, 21 insertions, 10 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2405.section.md b/nixos/doc/manual/release-notes/rl-2405.section.md index d758a30bacf11..e44369ea6f98b 100644 --- a/nixos/doc/manual/release-notes/rl-2405.section.md +++ b/nixos/doc/manual/release-notes/rl-2405.section.md @@ -71,6 +71,8 @@ The pre-existing [services.ankisyncd](#opt-services.ankisyncd.enable) has been m `globalRedirect` can now have redirect codes other than 301 through `redirectCode`. +- [](#opt-boot.kernel.sysctl._net.core.wmem_max_) changed from a string to an integer because of the addition of a custom merge option (taking the highest value defined to avoid conflicts between 2 services trying to set that value), just as [](#opt-boot.kernel.sysctl._net.core.rmem_max_) since 22.11. + - Gitea 1.21 upgrade has several breaking changes, including: - Custom themes and other assets that were previously stored in `custom/public/*` now belong in `custom/public/assets/*` - New instances of Gitea using MySQL now ignore the `[database].CHARSET` config option and always use the `utf8mb4` charset, existing instances should migrate via the `gitea doctor convert` CLI command. diff --git a/nixos/modules/config/sysctl.nix b/nixos/modules/config/sysctl.nix index 452c050b6dda9..b779f12aca30b 100644 --- a/nixos/modules/config/sysctl.nix +++ b/nixos/modules/config/sysctl.nix @@ -21,19 +21,27 @@ in options = { boot.kernel.sysctl = mkOption { - type = types.submodule { + type = let + highestValueType = types.ints.unsigned // { + merge = loc: defs: + foldl + (a: b: if b.value == null then null else lib.max a b.value) + 0 + (filterOverrides defs); + }; + in types.submodule { freeformType = types.attrsOf sysctlOption; options."net.core.rmem_max" = mkOption { - type = types.nullOr types.ints.unsigned // { - merge = loc: defs: - foldl - (a: b: if b.value == null then null else lib.max a b.value) - 0 - (filterOverrides defs); - }; + type = types.nullOr highestValueType; default = null; description = lib.mdDoc "The maximum socket receive buffer size. In case of conflicting values, the highest will be used."; }; + + options."net.core.wmem_max" = mkOption { + type = types.nullOr highestValueType; + default = null; + description = lib.mdDoc "The maximum socket send buffer size. In case of conflicting values, the highest will be used."; + }; }; default = {}; example = literalExpression '' diff --git a/nixos/modules/services/torrent/transmission.nix b/nixos/modules/services/torrent/transmission.nix index 88537f8c4f7b6..7fb7847ce9358 100644 --- a/nixos/modules/services/torrent/transmission.nix +++ b/nixos/modules/services/torrent/transmission.nix @@ -434,7 +434,7 @@ in # at least up to the values hardcoded here: (mkIf cfg.settings.utp-enabled { "net.core.rmem_max" = mkDefault 4194304; # 4MB - "net.core.wmem_max" = mkDefault "1048576"; # 1MB + "net.core.wmem_max" = mkDefault 1048576; # 1MB }) (mkIf cfg.performanceNetParameters { # Increase the number of available source (local) TCP and UDP ports to 49151. diff --git a/nixos/modules/services/web-servers/caddy/default.nix b/nixos/modules/services/web-servers/caddy/default.nix index 9a544e98cfc44..95dc219d108cc 100644 --- a/nixos/modules/services/web-servers/caddy/default.nix +++ b/nixos/modules/services/web-servers/caddy/default.nix @@ -342,8 +342,9 @@ in } ''; - # https://github.com/lucas-clemente/quic-go/wiki/UDP-Receive-Buffer-Size + # https://github.com/quic-go/quic-go/wiki/UDP-Buffer-Sizes boot.kernel.sysctl."net.core.rmem_max" = mkDefault 2500000; + boot.kernel.sysctl."net.core.wmem_max" = mkDefault 2500000; systemd.packages = [ cfg.package ]; systemd.services.caddy = { |