diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index c945fba4f543..182ca99405ad 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -126,12 +126,17 @@ struct sock; struct proto; struct net; +typedef __u32 __bitwise __portpair; +typedef __u64 __bitwise __addrpair; + /** * struct sock_common - minimal network layer representation of sockets * @skc_daddr: Foreign IPv4 addr * @skc_rcv_saddr: Bound local IPv4 addr * @skc_hash: hash value used with various protocol lookup tables * @skc_u16hashes: two u16 hash values used by UDP lookup tables + * @skc_dport: placeholder for inet_dport/tw_dport + * @skc_num: placeholder for inet_num/tw_num * @skc_family: network address family * @skc_state: Connection state * @skc_reuse: %SO_REUSEADDR setting @@ -149,16 +154,29 @@ struct net; * for struct sock and struct inet_timewait_sock. */ struct sock_common { - /* skc_daddr and skc_rcv_saddr must be grouped : - * cf INET_MATCH() and INET_TW_MATCH() + /* skc_daddr and skc_rcv_saddr must be grouped on a 8 bytes aligned + * address on 64bit arches : cf INET_MATCH() and INET_TW_MATCH() */ - __be32 skc_daddr; - __be32 skc_rcv_saddr; - + union { + __addrpair skc_addrpair; + struct { + __be32 skc_daddr; + __be32 skc_rcv_saddr; + }; + }; union { unsigned int skc_hash; __u16 skc_u16hashes[2]; }; + /* skc_dport && skc_num must be grouped as well */ + union { + __portpair skc_portpair; + struct { + __be16 skc_dport; + __u16 skc_num; + }; + }; + unsigned short skc_family; volatile unsigned char skc_state; unsigned char skc_reuse; @@ -213,7 +231,7 @@ struct cg_proto; * @sk_sndbuf: size of send buffer in bytes * @sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE, * %SO_OOBINLINE settings, %SO_TIMESTAMPING settings - * @sk_no_check: %SO_NO_CHECK setting, wether or not checkup packets + * @sk_no_check: %SO_NO_CHECK setting, whether or not checkup packets * @sk_route_caps: route capabilities (e.g. %NETIF_F_TSO) * @sk_route_nocaps: forbidden route capabilities (e.g NETIF_F_GSO_MASK) * @sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4) @@ -349,7 +367,7 @@ struct sock { unsigned short sk_ack_backlog; unsigned short sk_max_ack_backlog; __u32 sk_priority; -#ifdef CONFIG_CGROUPS +#if IS_ENABLED(CONFIG_NETPRIO_CGROUP) __u32 sk_cgrp_prioidx; #endif struct pid *sk_peer_pid; |