1.25

2025.11 F-Stack v1.25(LTS)

1. F-Stack lib:

• Support CI. @shanakaprageeth
• set the IP-type flag for tx_csum_l4 offload. @zcjie1
• m_gethdr will call m_pkthdr_init also, so there is no need to initialize it again. @liujinhui-job
• add tcp/udp loopback support, we can send packet through lo dev. @liujinhui-job
• fix dev_info.hash_key_size is 0 init_port_start failed. @liujinhui-job
• Add support for custom install prefix. @Clcanny
• Disable RSS if hardware does not support it. @Clcanny
• add __recv_chk/__read_chk/__recvfrom_chk. @liujinhui-job
• Change ff config pci whitelist to allow. @liujinhui-job
• Add inner IP and port-based flow steering capabilities for the IPIP protocol.(Authors: Zhiwen Wang @hirowang1, Huiqin Zhang).
• ff_ipfw support ip_fw_pmod and tcpmod for tcp-setmss.
• f-stack supports the socket options IP_TRANSPARENT and IPV6_TRANSPARENT. Nginx does not require additional checks, and the translation for IPV6_PKTINFO has been added. @wenchengji159357
• Modify usleep to rte_delay_us_sleep.
• Remove some useless code of kni.
• ff_traffic support rx_dropped and tx_dropped.
• fix ff toos issue for mlx5 drivers.
• Support bind no port like linux's IP_BIND_ADDRESS_NO_PORT.
• Add the feature fo ff_rss_check table to improve the performance of ff_rss_check(). See https://github.com/F-Stack/f-stack/wiki/%E2%80%8B%E2%80%8BF%E2%80%90Stack-ff_rss_check()-Optimization-Introduction%E2%80%8B
• Added the -Wextra compilation option and fixed compilation errors.
• Add ff_log mod, that encapsulates some interfaces of the rte_log module.
• Remove the code for rte_kni.ko, only retain virtio.
• Add some cleanup action, however, it is incomplete.

1. adapter

• fix compile syscall directory compile issue. @liujinhui-job
• add ld_preload mode fcntl linux flags convert to freebsd. @liujinhui-job
• add epoll polling mode, improve latency performance in RTT mode. @liujinhui-job
• ff_hook_recvfrom sh_fromlen not init, ff_sys_recvfrom will return -1. @liujinhui-job
• add fork support, like linux kernel, every process has one freebsd struct thread. @liujinhui-job
• Add select interface support. @liujinhui-job
• add accept4 support, and LINUX_SOCK_CLOEXEC/LINUX_SOCK_NONBLOCK support for ff_socket. @liujinhui-job

1. FreeBSD

• Add the feature fo ff_rss_check table to improve the performance of ff_rss_check(). See https://github.com/F-Stack/f-stack/wiki/%E2%80%8B%E2%80%8BF%E2%80%90Stack-ff_rss_check()-Optimization-Introduction%E2%80%8B

1. ff toos

• update tools/compat/include/sys/*.h.
• ff_traffic support rx_dropped and tx_dropped.

1. DPDK

• DPDK: Upgrade to 23.11.5.
• Build fix : Copy missing igb_uio.c to build dir. @richqubit
• Modify real_if_indextoname return value and type. @GiannisLi

1. APP

• Nginx: Upgrad to Nginx-1.28.0. @jinliu777
• Nginx: f-stack supports the socket options IP_TRANSPARENT and IPV6_TRANSPARENT. Nginx does not require additional checks, and the translation for IPV6_PKTINFO has been added. @wenchengji159357
• Redis: Fix Redis Lua security vulnerabilities (CVE-2024-31449, CVE-2025-29844, CVE-2025-46817, CVE-2025-46819). @KIMDONGYEON00

1. doc

• Add wiki and deepwiki link in README.
• Remove the relevant content for rte_kni.ko from the documentation.