CNB95: convert tunnel metadata flags

JIRA: https://issues.redhat.com/browse/RHEL-40130
Tested: Using routing and tunneling self-tests
Depends: !4435 (merged)

Commits:

537dd2d9fb9f ("net: Add helper function to parse netlink msg of ip_tunnel_encap")
b86fca800a6a ("net: Add helper function to parse netlink msg of ip_tunnel_parm")
63c15822b8dd ("lib/bitmap: add bitmap_{read,write}()")
117aef12a7b1 ("ip_tunnel: use a separate struct to store tunnel params in the kernel")
020e8f60aa8b ("ip_gre: Make GRE and GRETAP devices always NETIF_F_LLTX")
b11ebf2ca2c1 ("ip6_gre: Make IP6GRE and IP6GRETAP devices always NETIF_F_LLTX")
45490ce2ff83 ("nfp: flower: add support for tunnel offload without key ID")
bf3fcbf7e7a0 ("ipv4: rename and move ip_route_output_tunnel()")
78f3655adcb5 ("ipv4: remove "proto" argument from udp_tunnel_dst_lookup()")
72fc68c6356b ("ipv4: add new arguments to udp_tunnel_dst_lookup()")
3ae983a603a4 ("ipv4: use tunnel flow flags for tunnel route lookups")
60a77d11cd5d ("geneve: add dsfield helper function")
daa2ba7ed1d1 ("geneve: use generic function for tunnel IPv4 route lookup")
6f19b2c136d9 ("vxlan: use generic function for tunnel IPv4 route lookup")
fc47e86dbfb7 ("ipv6: rename and move ip6_dst_lookup_tunnel()")
7e937dcf96d0 ("ipv6: remove "proto" argument from udp_tunnel6_dst_lookup()")
946fcfdbc5b9 ("ipv6: add new arguments to udp_tunnel6_dst_lookup()")
69d72587c17b ("geneve: use generic function for tunnel IPv6 route lookup")
f25e621f5d4c ("ipv6: mark address parameters of udp_tunnel6_xmit_skb() as const")
2aceb896ee18 ("vxlan: use generic function for tunnel IPv6 route lookup")
3e7e5baaaba7 ("bitmap: don't assume compiler evaluates small mem*() builtins calls")
c1023f5634b9 ("s390/cio: rename bitmap_size() -> idset_bitmap_size()")
10a04ff09bcc ("tools: move alignment-related macros to new <linux/align.h>")
a37fbe666c01 ("bitmap: introduce generic optimized bitmap_size()")
5832c4a77d69 ("ip_tunnel: convert __be16 tunnel flags to bitmaps")
5a66cda52d7d ("ip_tunnel: harden copying IP tunnel params to userspace")

Signed-off-by: Ivan Vecera ivecera@redhat.com