Re: [PATCH 08/31] net/tcp: Introduce TCP_AO setsockopt()s
From: David Ahern <dsahern@kernel.org>
Date: 2022-08-25 15:32:18
Also in:
linux-crypto, lkml
On 8/18/22 9:59 AM, Dmitry Safonov wrote:
quoted hunk ↗ jump to hunk
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 849bbf2d3c38..5369458ae89f 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h@@ -129,6 +129,9 @@ enum { #define TCP_TX_DELAY 37 /* delay outgoing packets by XX usec */ +#define TCP_AO 38 /* (Add/Set MKT) */ +#define TCP_AO_DEL 39 /* (Delete MKT) */ +#define TCP_AO_MOD 40 /* (Modify MKT) */ #define TCP_REPAIR_ON 1 #define TCP_REPAIR_OFF 0@@ -344,6 +347,38 @@ struct tcp_diag_md5sig { #define TCP_AO_MAXKEYLEN 80 +#define TCP_AO_CMDF_CURR (1 << 0) /* Only checks field sndid */ +#define TCP_AO_CMDF_NEXT (1 << 1) /* Only checks field rcvid */ + +struct tcp_ao { /* setsockopt(TCP_AO) */ + struct __kernel_sockaddr_storage tcpa_addr; + char tcpa_alg_name[64]; + __u16 tcpa_flags; + __u8 tcpa_prefix; + __u8 tcpa_sndid; + __u8 tcpa_rcvid; + __u8 tcpa_maclen; + __u8 tcpa_keyflags; + __u8 tcpa_keylen; + __u8 tcpa_key[TCP_AO_MAXKEYLEN]; +} __attribute__((aligned(8))); + +struct tcp_ao_del { /* setsockopt(TCP_AO_DEL) */ + struct __kernel_sockaddr_storage tcpa_addr; + __u16 tcpa_flags; + __u8 tcpa_prefix; + __u8 tcpa_sndid; + __u8 tcpa_rcvid; + __u8 tcpa_current; + __u8 tcpa_rnext; +} __attribute__((aligned(8))); + +struct tcp_ao_mod { /* setsockopt(TCP_AO_MOD) */ + __u16 tcpa_flags; + __u8 tcpa_current; + __u8 tcpa_rnext; +} __attribute__((aligned(8))); + /* setsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE, ...) */ #define TCP_RECEIVE_ZEROCOPY_FLAG_TLB_CLEAN_HINT 0x1
I do not see anything in the uapi that would specify the VRF for the address.