Prevent hang on ATCA-7220 when transmitting packets < 60 bytes.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=243264
@ -116,6 +116,19 @@ int cvm_oct_xmit(struct mbuf *m, struct ifnet *ifp)
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#ifdef OCTEON_VENDOR_RADISYS
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/*
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* The RSYS4GBE will hang if asked to transmit a packet less than 60 bytes.
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*/
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if (__predict_false(m->m_pkthdr.len < 60) &&
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cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_CUST_RADISYS_RSYS4GBE) {
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static uint8_t pad[60];
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if (!m_append(m, sizeof pad - m->m_pkthdr.len, pad))
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printf("%s: unable to pad small packet.", __func__);
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}
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#endif
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/*
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* If the packet is not fragmented.
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*/
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