Date: Tue, 22 Mar 2016 07:08:47 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r297182 - head/sys/dev/hyperv/netvsc Message-ID: <201603220708.u2M78lkE005889@repo.freebsd.org>
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Author: sephe Date: Tue Mar 22 07:08:47 2016 New Revision: 297182 URL: https://svnweb.freebsd.org/changeset/base/297182 Log: hyperv/hn: When short of mbufs on the RX path, don't spam the console. Instead, increase the IQDROPS counter. MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D5693 Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Tue Mar 22 06:42:24 2016 (r297181) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Tue Mar 22 07:08:47 2016 (r297182) @@ -1260,8 +1260,10 @@ netvsc_recv(struct hv_vmbus_channel *cha return (0); } else if (packet->tot_data_buf_len <= MHLEN) { m_new = m_gethdr(M_NOWAIT, MT_DATA); - if (m_new == NULL) + if (m_new == NULL) { + if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1); return (0); + } memcpy(mtod(m_new, void *), packet->data, packet->tot_data_buf_len); m_new->m_pkthdr.len = m_new->m_len = packet->tot_data_buf_len; @@ -1281,7 +1283,7 @@ netvsc_recv(struct hv_vmbus_channel *cha m_new = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, size); if (m_new == NULL) { - if_printf(ifp, "alloc mbuf failed.\n"); + if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1); return (0); }
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