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IB/core: Use a common header for uverbs flow_specs 

A common header will allows better checking of flow specs size, while
ensuring strict alignment to 64 bits.

Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Link: http://marc.info/?i=cover.1383773832.git.ydroneaud@opteya.com
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Yann Droneaud 2013-11-06 23:21:47 +01:00 committed by Roland Dreier
parent b68c956021
commit 58913efba9
1 changed files with 40 additions and 13 deletions
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53
include/uapi/rdma/ib_user_verbs.h
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@ -701,6 +701,14 @@ struct ib_uverbs_detach_mcast {
}; };
#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING #ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING
struct ib_uverbs_flow_spec_hdr {
__u32 type;
__u16 size;
__u16 reserved;
/* followed by flow_spec */
__u64 flow_spec_data[0];
};
struct ib_uverbs_flow_eth_filter { struct ib_uverbs_flow_eth_filter {
__u8 dst_mac[6]; __u8 dst_mac[6];
__u8 src_mac[6]; __u8 src_mac[6];
@ -709,9 +717,14 @@ struct ib_uverbs_flow_eth_filter {
}; };
struct ib_uverbs_flow_spec_eth { struct ib_uverbs_flow_spec_eth {
__u32 type; union {
__u16 size; struct ib_uverbs_flow_spec_hdr hdr;
__u16 reserved; struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_eth_filter val; struct ib_uverbs_flow_eth_filter val;
struct ib_uverbs_flow_eth_filter mask; struct ib_uverbs_flow_eth_filter mask;
}; };
@ -722,9 +735,14 @@ struct ib_uverbs_flow_ipv4_filter {
}; };
struct ib_uverbs_flow_spec_ipv4 { struct ib_uverbs_flow_spec_ipv4 {
__u32 type; union {
__u16 size; struct ib_uverbs_flow_spec_hdr hdr;
__u16 reserved; struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_ipv4_filter val; struct ib_uverbs_flow_ipv4_filter val;
struct ib_uverbs_flow_ipv4_filter mask; struct ib_uverbs_flow_ipv4_filter mask;
}; };
@ -735,19 +753,27 @@ struct ib_uverbs_flow_tcp_udp_filter {
}; };
struct ib_uverbs_flow_spec_tcp_udp { struct ib_uverbs_flow_spec_tcp_udp {
__u32 type; union {
__u16 size; struct ib_uverbs_flow_spec_hdr hdr;
__u16 reserved; struct {
__u32 type;
__u16 size;
__u16 reserved;
};
};
struct ib_uverbs_flow_tcp_udp_filter val; struct ib_uverbs_flow_tcp_udp_filter val;
struct ib_uverbs_flow_tcp_udp_filter mask; struct ib_uverbs_flow_tcp_udp_filter mask;
}; };
struct ib_uverbs_flow_spec { struct ib_uverbs_flow_spec {
union { union {
struct { union {
__u32 type; struct ib_uverbs_flow_spec_hdr hdr;
__u16 size; struct {
__u16 reserved; __u32 type;
__u16 size;
__u16 reserved;
};
}; };
struct ib_uverbs_flow_spec_eth eth; struct ib_uverbs_flow_spec_eth eth;
struct ib_uverbs_flow_spec_ipv4 ipv4; struct ib_uverbs_flow_spec_ipv4 ipv4;
@ -767,6 +793,7 @@ struct ib_uverbs_flow_attr {
* struct ib_flow_spec_xxx * struct ib_flow_spec_xxx
* struct ib_flow_spec_yyy * struct ib_flow_spec_yyy
*/ */
struct ib_uverbs_flow_spec_hdr flow_specs[0];
}; };
struct ib_uverbs_create_flow { struct ib_uverbs_create_flow {