IB/netlink: Add a new local service operation
This commits adds a new RDMA local service operation: - IP to GID resolution. The client request would include the ifindex of the outgoing interface and would place in an attribute (LS_NLA_TYPE_IPV4 or LS_NLA_TYPE_IPV6) the destnation IP. The local service would answer with a message that has the attribute: - LS_NLA_TYPE_DGID - The destination GID. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -135,10 +135,12 @@ enum {
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* Local service operations:
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* RESOLVE - The client requests the local service to resolve a path.
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* SET_TIMEOUT - The local service requests the client to set the timeout.
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* IP_RESOLVE - The client requests the local service to resolve an IP to GID.
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*/
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enum {
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RDMA_NL_LS_OP_RESOLVE = 0,
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RDMA_NL_LS_OP_SET_TIMEOUT,
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RDMA_NL_LS_OP_IP_RESOLVE,
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RDMA_NL_LS_NUM_OPS
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};
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@ -176,6 +178,10 @@ struct rdma_ls_resolve_header {
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__u8 path_use;
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};
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struct rdma_ls_ip_resolve_header {
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__u32 ifindex;
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};
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/* Local service attribute type */
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#define RDMA_NLA_F_MANDATORY (1 << 13)
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#define RDMA_NLA_TYPE_MASK (~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
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@ -193,6 +199,8 @@ struct rdma_ls_resolve_header {
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* TCLASS u8
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* PKEY u16 cpu
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* QOS_CLASS u16 cpu
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* IPV4 u32 BE
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* IPV6 u8[16] BE
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*/
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enum {
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LS_NLA_TYPE_UNSPEC = 0,
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@ -204,6 +212,8 @@ enum {
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LS_NLA_TYPE_TCLASS,
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LS_NLA_TYPE_PKEY,
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LS_NLA_TYPE_QOS_CLASS,
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LS_NLA_TYPE_IPV4,
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LS_NLA_TYPE_IPV6,
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LS_NLA_TYPE_MAX
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};
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