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Make substructures for IPv4 and IPv6 specific context information

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The context structure contains a batch of fields specific to IPv4 and to
IPv6 connectivity.  Split those out into a sub-structure.

This allows the conf_ip4() and conf_ip6() functions, which take the
entire context but touch very little of it, to be given more specific
parameters, making it clearer what it affects without stepping through the
code.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson
2022-07-22 15:31:18 +10:00
committed by Stefano Brivio
parent 5e12d23acb
commit 16f5586bb8
12 changed files with 232 additions and 212 deletions
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10
pasta.c
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@@ -196,17 +196,17 @@ void pasta_ns_conf(struct ctx *c)
nl_link(1, c->pasta_ifi, c->mac_guest, 1, c->mtu);
if (c->ifi4) {
prefix_len = __builtin_popcount(c->mask4);
nl_addr(1, c->pasta_ifi, AF_INET, &c->addr4,
prefix_len = __builtin_popcount(c->ip4.mask);
nl_addr(1, c->pasta_ifi, AF_INET, &c->ip4.addr,
&prefix_len, NULL);
nl_route(1, c->pasta_ifi, AF_INET, &c->gw4);
nl_route(1, c->pasta_ifi, AF_INET, &c->ip4.gw);
}
if (c->ifi6) {
prefix_len = 64;
nl_addr(1, c->pasta_ifi, AF_INET6, &c->addr6,
nl_addr(1, c->pasta_ifi, AF_INET6, &c->ip6.addr,
&prefix_len, NULL);
nl_route(1, c->pasta_ifi, AF_INET6, &c->gw6);
nl_route(1, c->pasta_ifi, AF_INET6, &c->ip6.gw);
}
} else {
nl_link(1, c->pasta_ifi, c->mac_guest, 0, 0);