User-configurable physical MTU for individual links
This patch allows users to specify the physical layer MTU for individual links when in multipath mode. For example: { "settings": { "defaultBondingPolicy": "custom-balance-xor", "policies": { "custom-balance-xor": { "basePolicy": "balance-xor", "failoverInterval": 5000, "links": { "weird_5g_link": { "mtu": 1300 }, "enp5s0": { "mtu": 1400 } } } } } }
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6 changed files with 36 additions and 7 deletions
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@ -184,7 +184,7 @@ SharedPtr<Link> Bond::getLinkBySocket(const std::string& policyAlias, uint64_t l
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auto search = _interfaceToLinkMap[policyAlias].find(ifnameStr);
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if (search == _interfaceToLinkMap[policyAlias].end()) {
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if (createIfNeeded) {
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SharedPtr<Link> s = new Link(ifnameStr, 0, 0, true, ZT_BOND_SLAVE_MODE_PRIMARY, "");
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SharedPtr<Link> s = new Link(ifnameStr, 0, 0, 0, true, ZT_BOND_SLAVE_MODE_PRIMARY, "");
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_interfaceToLinkMap[policyAlias].insert(std::pair<std::string, SharedPtr<Link> >(ifnameStr, s));
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return s;
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}
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@ -1253,6 +1253,7 @@ void Bond::estimatePathQuality(int64_t now)
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if (link) {
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int linkSpeed = link->capacity();
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_paths[i].p->_givenLinkSpeed = linkSpeed;
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_paths[i].p->_mtu = link->mtu();
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maxObservedLinkCap = linkSpeed > maxObservedLinkCap ? linkSpeed : maxObservedLinkCap;
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}
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}
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