Author: jmallett Date: Mon Nov 19 08:30:29 2012 New Revision: 243264 URL: http://svnweb.freebsd.org/changeset/base/243264
Log: Prevent hang on ATCA-7220 when transmitting packets < 60 bytes. Modified: head/sys/mips/cavium/octe/ethernet-tx.c Modified: head/sys/mips/cavium/octe/ethernet-tx.c ============================================================================== --- head/sys/mips/cavium/octe/ethernet-tx.c Mon Nov 19 08:29:53 2012 (r243263) +++ head/sys/mips/cavium/octe/ethernet-tx.c Mon Nov 19 08:30:29 2012 (r243264) @@ -116,6 +116,19 @@ int cvm_oct_xmit(struct mbuf *m, struct } } +#ifdef OCTEON_VENDOR_RADISYS + /* + * The RSYS4GBE will hang if asked to transmit a packet less than 60 bytes. + */ + if (__predict_false(m->m_pkthdr.len < 60) && + cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_CUST_RADISYS_RSYS4GBE) { + static uint8_t pad[60]; + + if (!m_append(m, sizeof pad - m->m_pkthdr.len, pad)) + printf("%s: unable to pad small packet.", __func__); + } +#endif + /* * If the packet is not fragmented. */ _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"