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conf, tap: Split netlink and pasta functions, allow interface configuration

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Move netlink routines to their own file, and use netlink to configure
or fetch all the information we need, except for the TUNSETIFF ioctl.

Move pasta-specific functions to their own file as well, add
parameters and calls to configure the tap interface in the namespace.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio
2021-10-11 12:01:31 +02:00
parent dcd3605d14
commit 675174d4ba
11 changed files with 703 additions and 609 deletions
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6
netlink.h Normal file
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@@ -0,0 +1,6 @@
int nl_sock_init(struct ctx *c);
unsigned int nl_get_ext_if(int *v4, int *v6);
void nl_route(int ns, unsigned int ifi, sa_family_t af, void *gw);
void nl_addr(int ns, unsigned int ifi, sa_family_t af,
void *addr, int prefix_len, void *addr_l);
void nl_link(int ns, unsigned int ifi, void *mac, int up);