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Lines 107-112
static int epair_clone_create(struct if_
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static int epair_clone_destroy(struct if_clone *, struct ifnet *); |
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static int epair_clone_destroy(struct if_clone *, struct ifnet *); |
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static const char epairname[] = "epair"; |
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static const char epairname[] = "epair"; |
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static unsigned int next_index = 0; |
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/* Netisr related definitions and sysctl. */ |
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/* Netisr related definitions and sysctl. */ |
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static struct netisr_handler epair_nh = { |
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static struct netisr_handler epair_nh = { |
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Lines 843-854
epair_clone_create(struct if_clone *ifc,
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/* |
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/* |
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* Calculate the etheraddr hashing the hostid and the |
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* Calculate the etheraddr hashing the hostid and the |
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* interface index. The result would be hopefully unique |
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* interface index. The result would be hopefully unique. |
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* Note that epair(4) may be created then "a" part moved to another |
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* VNET freeing if_index so next epair obtains same if_index. |
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* Make sure we do not create same etheraddr again. |
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*/ |
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*/ |
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getcredhostid(curthread->td_ucred, (unsigned long *)&hostid); |
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getcredhostid(curthread->td_ucred, (unsigned long *)&hostid); |
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if (hostid == 0) |
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if (hostid == 0) |
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arc4rand(&hostid, sizeof(hostid), 0); |
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arc4rand(&hostid, sizeof(hostid), 0); |
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key[0] = (uint32_t)ifp->if_index; |
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if (ifp->if_index > next_index) |
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next_index = ifp->if_index; |
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else |
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next_index++; |
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key[0] = (uint32_t)next_index; |
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key[1] = (uint32_t)(hostid & 0xffffffff); |
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key[1] = (uint32_t)(hostid & 0xffffffff); |
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key[2] = (uint32_t)((hostid >> 32) & 0xfffffffff); |
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key[2] = (uint32_t)((hostid >> 32) & 0xfffffffff); |
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hash = jenkins_hash32(key, 3, 0); |
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hash = jenkins_hash32(key, 3, 0); |