On Fri, 21 Mar 2025 21:27:49 +0800 Yang Ming <[email protected]> wrote:
> The directory /var/tmp may not be writable in a container's > read-only mode. To address this issue, use the DPDK runtime > directory as an alternative when /var/tmp is not writable. > > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > > Signed-off-by: Yang Ming <[email protected]> > --- > drivers/net/mlx5/linux/mlx5_socket.c | 23 ++++++++++++++++++----- > 1 file changed, 18 insertions(+), 5 deletions(-) > > diff --git a/drivers/net/mlx5/linux/mlx5_socket.c > b/drivers/net/mlx5/linux/mlx5_socket.c > index 6ce0e59643..270a105f1d 100644 > --- a/drivers/net/mlx5/linux/mlx5_socket.c > +++ b/drivers/net/mlx5/linux/mlx5_socket.c > @@ -20,7 +20,8 @@ > > /* PMD socket service for tools. */ > > -#define MLX5_SOCKET_PATH "/var/tmp/dpdk_net_mlx5_%d" > +#define MLX5_SOCKET_DPATH "/var/tmp" > +#define MLX5_SOCKET_FNAME "dpdk_net_mlx5" > #define MLX5_ALL_PORT_IDS 0xffff Using /tmp or /var/tmp is non-standard on modern Linux distros. Systemd based systems use /run for this. Would be better to use abstract sockets, but that might break some containers. Example: $ ss -x | awk '{ print $5}' | grep -v '^@' | grep -v '*' | sort -u /home/shemminger/.cache/ibus/dbus-d8xKr3Ya Local /run/dbus/system_bus_socket /run/gdm3/dbus/dbus-6Kd7KbFO /run/gdm3/dbus/dbus-RNBHo0m9 /run/systemd/io.systemd.ManagedOOM /run/systemd/journal/dev-log /run/systemd/journal/socket /run/systemd/journal/stdout /run/systemd/notify /run/systemd/oom/io.systemd.ManagedOOM /run/user/1000/at-spi/bus /run/user/1000/bus /run/user/1000/.dbus-proxy/a11y-bus-proxy-HBPCF3 /run/user/1000/.dbus-proxy/session-bus-proxy-1HPCF3 /run/user/1000/.dbus-proxy/system-bus-proxy-HIPCF3 /run/user/1000/emacs/server /run/user/1000/.flatpak-helper/pkcs11-flatpak-16622 /run/user/1000/gvfsd/socket-r1TYSmLV /run/user/1000/gvfsd/socket-Rk6Pe47X /run/user/1000/pipewire-0 /run/user/1000/pipewire-0-manager /run/user/1000/pulse/native /run/user/1000/speech-dispatcher/speechd.sock /run/user/1000/wayland-0 /run/user/1000/wayland-proxy-4315
