XFRMA_SRCADDR
[XFRMA_SRCADDR] = { .len = sizeof(xfrm_address_t) },
case XFRMA_SRCADDR:
verify_one_addr(attrs, XFRMA_SRCADDR, &saddr);
[XFRMA_SRCADDR] = { .len = sizeof(xfrm_address_t) },
if (rtattr_pack(&req.nh, sizeof(req), XFRMA_SRCADDR, &saddr, sizeof(saddr)))