Author: jhb Date: Thu Dec 3 22:01:13 2020 New Revision: 368314 URL: https://svnweb.freebsd.org/changeset/base/368314
Log: Don't transmit mbufs that aren't yet ready on TOE sockets. This includes mbufs waiting for data from sendfile() I/O requests, or mbufs awaiting encryption for KTLS. Reviewed by: np MFC after: 2 weeks Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D27469 Modified: head/sys/dev/cxgbe/tom/t4_cpl_io.c Modified: head/sys/dev/cxgbe/tom/t4_cpl_io.c ============================================================================== --- head/sys/dev/cxgbe/tom/t4_cpl_io.c Thu Dec 3 22:00:41 2020 (r368313) +++ head/sys/dev/cxgbe/tom/t4_cpl_io.c Thu Dec 3 22:01:13 2020 (r368314) @@ -721,6 +721,8 @@ t4_push_frames(struct adapter *sc, struct toepcb *toep for (m = sndptr; m != NULL; m = m->m_next) { int n; + if ((m->m_flags & M_NOTAVAIL) != 0) + break; if (m->m_flags & M_EXTPG) { #ifdef KERN_TLS if (m->m_epg_tls != NULL) { @@ -803,8 +805,9 @@ t4_push_frames(struct adapter *sc, struct toepcb *toep /* nothing to send */ if (plen == 0) { - KASSERT(m == NULL, - ("%s: nothing to send, but m != NULL", __func__)); + KASSERT(m == NULL || (m->m_flags & M_NOTAVAIL) != 0, + ("%s: nothing to send, but m != NULL is ready", + __func__)); break; } @@ -892,7 +895,7 @@ t4_push_frames(struct adapter *sc, struct toepcb *toep toep->txsd_avail--; t4_l2t_send(sc, wr, toep->l2te); - } while (m != NULL); + } while (m != NULL && (m->m_flags & M_NOTAVAIL) == 0); /* Send a FIN if requested, but only if there's no more data to send */ if (m == NULL && toep->flags & TPF_SEND_FIN) _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
