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netmap: Handle packet batches in generic mode
ifnets are allowed to pass batches of multiple packets to if_input, linked by the m_nextpkt pointer. iflib_rxeof() sometimes does this, for example. Netmap's generic mode did not handle this and would only deliver the first packet in the batch, leaking the rest. PR: 270636 Reviewed by: vmaffione MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D39426
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@ -325,10 +325,17 @@ freebsd_generic_rx_handler(if_t ifp, struct mbuf *m)
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return;
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}
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stolen = generic_rx_handler(ifp, m);
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if (!stolen) {
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NA(ifp)->if_input(ifp, m);
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}
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do {
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struct mbuf *n;
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n = m->m_nextpkt;
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m->m_nextpkt = NULL;
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stolen = generic_rx_handler(ifp, m);
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if (!stolen) {
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NA(ifp)->if_input(ifp, m);
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}
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m = n;
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} while (m != NULL);
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}
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/*
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