Hi,

On Fri, Dec 15, 2023 at 07:37:49PM +0400, Sergey Kandaurov wrote:
> # HG changeset patch
> # User Sergey Kandaurov <pluknet@nginx.com>
> # Date 1702651328 -14400
> # Fri Dec 15 18:42:08 2023 +0400
> # Node ID 219662ea1613ab68d4d5d4085394bba75993ae42
> # Parent 9be627b7a3a35c00be13332f553e2d3b778877ae
> Stream: the "setfib" parameter of the "listen" directive.
>
> The FreeBSD SO_SETFIB support.
>
> diff --git a/src/stream/ngx_stream.c b/src/stream/ngx_stream.c
> --- a/src/stream/ngx_stream.c
> +++ b/src/stream/ngx_stream.c
> @@ -1033,6 +1033,10 @@ ngx_stream_add_listening(ngx_conf_t *cf,
> ls->ipv6only = addr->opt.ipv6only;
> #endif
>
> +#if (NGX_HAVE_SETFIB)
> + ls->setfib = addr->opt.setfib;
> +#endif
> +
> #if (NGX_HAVE_TCP_FASTOPEN)
> ls->fastopen = addr->opt.fastopen;
> #endif
> diff --git a/src/stream/ngx_stream.h b/src/stream/ngx_stream.h
> --- a/src/stream/ngx_stream.h
> +++ b/src/stream/ngx_stream.h
> @@ -62,6 +62,9 @@ typedef struct {
> int rcvbuf;
> int sndbuf;
> int type;
> +#if (NGX_HAVE_SETFIB)
> + int setfib;
> +#endif
> #if (NGX_HAVE_TCP_FASTOPEN)
> int fastopen;
> #endif
> diff --git a/src/stream/ngx_stream_core_module.c b/src/stream/ngx_stream_core_module.c
> --- a/src/stream/ngx_stream_core_module.c
> +++ b/src/stream/ngx_stream_core_module.c
> @@ -892,6 +892,9 @@ ngx_stream_core_listen(ngx_conf_t *cf, n
> lsopt.type = SOCK_STREAM;
> lsopt.rcvbuf = -1;
> lsopt.sndbuf = -1;
> +#if (NGX_HAVE_SETFIB)
> + lsopt.setfib = -1;
> +#endif
> #if (NGX_HAVE_TCP_FASTOPEN)
> lsopt.fastopen = -1;
> #endif
> @@ -921,6 +924,22 @@ ngx_stream_core_listen(ngx_conf_t *cf, n
> continue;
> }
>
> +#if (NGX_HAVE_SETFIB)
> + if (ngx_strncmp(value[i].data, "setfib=", 7) == 0) {
> + lsopt.setfib = ngx_atoi(value[i].data + 7, value[i].len - 7);
> + lsopt.set = 1;
> + lsopt.bind = 1;
> +
> + if (lsopt.setfib == NGX_ERROR) {
> + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
> + "invalid setfib \"%V\"", &value[i]);
> + return NGX_CONF_ERROR;
> + }
> +
> + continue;
> + }
> +#endif
> +
> #if (NGX_HAVE_TCP_FASTOPEN)
> if (ngx_strncmp(value[i].data, "fastopen=", 9) == 0) {
> lsopt.fastopen = ngx_atoi(value[i].data + 9, value[i].len - 9);

Looks good except possible UDP restriction.

--
Roman Arutyunyan
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